src/volser/vsprocs.c

   1 /*
   2  * Copyright 2000, International Business Machines Corporation and others.
   3  * All Rights Reserved.
   4  *
   5  * This software has been released under the terms of the IBM Public
   6  * License.  For details, see the LICENSE file in the top-level source
   7  * directory or online at http://www.openafs.org/dl/license10.html
   8  */
   9
  10 #include <afsconfig.h>
  11 #include <afs/param.h>
  12
  13 #include <afs/procmgmt.h>       /* signal(), kill(), wait(), etc. */
  14 #include <roken.h>
  15
  16 #ifdef  AFS_AIX_ENV
  17 #include <sys/statfs.h>
  18 #endif
  19
  20 #include <lock.h>
  21 #include <afs/voldefs.h>
  22 #include <rx/xdr.h>
  23 #include <rx/rx.h>
  24 #include <rx/rx_queue.h>
  25 #include <afs/vlserver.h>
  26 #include <afs/nfs.h>
  27 #include <afs/cellconfig.h>
  28 #include <afs/keys.h>
  29 #include <ubik.h>
  30 #include <afs/afsint.h>
  31 #include "volser.h"
  32 #include "volint.h"
  33 #include "lockdata.h"
  34 #include <afs/com_err.h>
  35 #include <rx/rxkad.h>
  36 #include <afs/kautils.h>
  37 #include <afs/cmd.h>
  38 #include <afs/ihandle.h>
  39 #ifdef AFS_NT40_ENV
  40 #include <afs/ntops.h>
  41 #endif
  42 #include <afs/vnode.h>
  43 #include <afs/volume.h>
  44 #define ERRCODE_RANGE 8         /* from error_table.h */
  45 #define CLOCKSKEW   2           /* not really skew, but resolution */
  46 #define CLOCKADJ(x) (((x) < CLOCKSKEW) ? 0 : (x) - CLOCKSKEW)
  47
  48 /* for UV_MoveVolume() recovery */
  49
  50 #include <setjmp.h>
  51
  52 #include "volser_internal.h"
  53 #include "volser_prototypes.h"
  54 #include "vsutils_prototypes.h"
  55 #include "lockprocs_prototypes.h"
  56
  57 extern struct ubik_client *cstruct;
  58 int verbose = 0, noresolve = 0;
  59
  60 struct release {
  61     afs_uint32 crtime;
  62     afs_uint32 uptime;
  63     afs_int32 vldbEntryIndex;
  64 };
  65
  66 /* Utility macros used by rest of this source file */
  67 #define EPRINT(ec, es) \
  68 do { \
  69         fprintf(STDERR, "\n"); \
  70         fprintf(STDERR, (es)); \
  71         PrintError("   ",ec); \
  72 } while (0)
  73
  74 #define EPRINT1(ec, es, ep1) \
  75 do { \
  76         fprintf(STDERR, "\n"); \
  77         fprintf(STDERR, (es), (ep1)); \
  78         PrintError("   ",ec); \
  79 } while (0)
  80
  81 #define EPRINT2(ec, es, ep1, ep2) \
  82 do { \
  83         fprintf(STDERR, "\n"); \
  84         fprintf(STDERR, (es), (ep1), (ep2)); \
  85         PrintError("   ",ec); \
  86 } while (0)
  87
  88 #define EPRINT3(ec, es, ep1, ep2, ep3) \
  89 do { \
  90         fprintf(STDERR, "\n"); \
  91         fprintf(STDERR, (es), (ep1), (ep2), (ep3)); \
  92         PrintError("   ",ec); \
  93 } while (0)
  94
  95 #define EGOTO(where, ec, es) \
  96 do { \
  97         if (ec) { \
  98                 EPRINT((ec),(es)); \
  99                 error = (ec); \
 100                 goto where; \
 101         } \
 102 } while (0)
 103
 104 #define EGOTO1(where, ec, es, ep1) \
 105 do { \
 106         if (ec) { \
 107                 EPRINT1((ec),(es),(ep1)); \
 108                 error = (ec); \
 109                 goto where; \
 110         } \
 111 } while (0)
 112
 113 #define EGOTO2(where, ec, es, ep1, ep2) \
 114 do { \
 115         if (ec) { \
 116                 EPRINT2((ec),(es),(ep1),(ep2)); \
 117                 error = (ec); \
 118                 goto where; \
 119         } \
 120 } while (0)
 121
 122 #define EGOTO3(where, ec, es, ep1, ep2, ep3) \
 123 do { \
 124         if (ec) { \
 125                 EPRINT3((ec),(es),(ep1),(ep2),(ep3)); \
 126                 error = (ec); \
 127                 goto where; \
 128         } \
 129 } while (0)
 130
 131 #define VPRINT(es) \
 132         { if (verbose) { fprintf(STDOUT, (es)); fflush(STDOUT); } }
 133 #define VPRINT1(es, p) \
 134         { if (verbose) { fprintf(STDOUT, (es), (p)); fflush(STDOUT); } }
 135 #define VPRINT2(es, p1, p2) \
 136         { if (verbose) { fprintf(STDOUT, (es), (p1), (p2)); fflush(STDOUT); } }
 137 #define VPRINT3(es, p1, p2, p3) \
 138         { if (verbose) { fprintf(STDOUT, (es), (p1), (p2), (p3)); fflush(STDOUT); } }
 139 #define VDONE \
 140         { if (verbose) { fprintf(STDOUT, " done\n"); fflush(STDOUT); } }
 141 #define VEPRINT(es) \
 142         { if (verbose) { fprintf(STDERR, (es)); fflush(STDERR); } }
 143 #define VEPRINT1(es, p) \
 144         { if (verbose) { fprintf(STDERR, (es), (p)); fflush(STDERR); } }
 145 #define VEPRINT2(es, p1, p2) \
 146         { if (verbose) { fprintf(STDERR, (es), (p1), (p2)); fflush(STDERR); } }
 147 #define VEPRINT3(es, p1, p2, p3) \
 148         { if (verbose) { fprintf(STDERR, (es), (p1), (p2), (p3)); fflush(STDERR); } }
 149 #define VEDONE \
 150         { if (verbose) { fprintf(STDERR, " done\n"); fflush(STDERR); } }
 151
 152
 153
 154 /* getting rid of this */
 155 #define ERROR_EXIT(code) do { \
 156     error = (code); \
 157     goto error_exit; \
 158 } while (0)
 159
 160
 161 /* Protos for static routines */
 162 #if 0
 163 static afs_int32 CheckAndDeleteVolume(struct rx_connection *aconn,
 164                                       afs_int32 apart, afs_uint32 okvol,
 165                                       afs_uint32 delvol);
 166 #endif
 167 static int GetTrans(struct nvldbentry *vldbEntryPtr, afs_int32 index,
 168                     struct rx_connection **connPtr, afs_int32 * transPtr,
 169                     afs_uint32 * crtimePtr, afs_uint32 * uptimePtr,
 170                     afs_int32 *origflags, afs_uint32 tmpVolId);
 171 static int SimulateForwardMultiple(struct rx_connection *fromconn,
 172                                    afs_int32 fromtid, afs_int32 fromdate,
 173                                    manyDests * tr, afs_int32 flags,
 174                                    void *cookie, manyResults * results);
 175 static int DoVolClone(struct rx_connection *aconn, afs_uint32 avolid,
 176                       afs_int32 apart, int type, afs_uint32 cloneid,
 177                       char *typestring, char *pname, char *vname, char *suffix,
 178                       struct volser_status *volstatus, afs_int32 *transPtr);
 179 static int DoVolDelete(struct rx_connection *aconn, afs_uint32 avolid,
 180                        afs_int32 apart, char *typestring, afs_uint32 atoserver,
 181                        struct volser_status *volstatus, char *pprefix);
 182 static afs_int32 CheckVolume(volintInfo * volumeinfo, afs_uint32 aserver,
 183                              afs_int32 apart, afs_int32 * modentry,
 184                              afs_uint32 * maxvolid, struct nvldbentry *aentry);
 185 static afs_int32 VolumeExists(afs_uint32 server, afs_int32 partition,
 186                               afs_uint32 volumeid);
 187 static afs_int32 CheckVldbRWBK(struct nvldbentry * entry,
 188                                afs_int32 * modified);
 189 static afs_int32 CheckVldbRO(struct nvldbentry *entry, afs_int32 * modified);
 190 static afs_int32 CheckVldb(struct nvldbentry *entry, afs_int32 * modified,
 191                            afs_int32 *deleted);
 192 static void dump_sig_handler(int x);
 193 static int sortVolumes(const void *a, const void *b);
 194
 195
 196 /*map the partition <partId> into partition name <partName>*/
 197 void
 198 MapPartIdIntoName(afs_int32 partId, char *partName)
 199 {
 200     if (partId < 26) {          /* what if partId > = 26 ? */
 201         strcpy(partName, "/vicep");
 202         partName[6] = partId + 'a';
 203         partName[7] = '\0';
 204         return;
 205     } else if (partId < VOLMAXPARTS) {
 206         strcpy(partName, "/vicep");
 207         partId -= 26;
 208         partName[6] = 'a' + (partId / 26);
 209         partName[7] = 'a' + (partId % 26);
 210         partName[8] = '\0';
 211         return;
 212     }
 213 }
 214
 215 int
 216 PrintError(char *msg, afs_int32 errcode)
 217 {
 218     fprintf(STDERR, "%s", msg);
 219     /*replace by a big switch statement */
 220     switch (errcode) {
 221     case 0:
 222         break;
 223     case -1:
 224         fprintf(STDERR, "Possible communication failure\n");
 225         break;
 226     case VSALVAGE:
 227         fprintf(STDERR, "Volume needs to be salvaged\n");
 228         break;
 229     case VNOVNODE:
 230         fprintf(STDERR, "Bad vnode number quoted\n");
 231         break;
 232     case VNOVOL:
 233         fprintf(STDERR,
 234                 "Volume not attached, does not exist, or not on line\n");
 235         break;
 236     case VVOLEXISTS:
 237         fprintf(STDERR, "Volume already exists\n");
 238         break;
 239     case VNOSERVICE:
 240         fprintf(STDERR, "Volume is not in service\n");
 241         break;
 242     case VOFFLINE:
 243         fprintf(STDERR, "Volume is off line\n");
 244         break;
 245     case VONLINE:
 246         fprintf(STDERR, "Volume is already on line\n");
 247         break;
 248     case VDISKFULL:
 249         fprintf(STDERR, "Partition is full\n");
 250         break;
 251     case VOVERQUOTA:
 252         fprintf(STDERR, "Volume max quota exceeded\n");
 253         break;
 254     case VBUSY:
 255         fprintf(STDERR, "Volume temporarily unavailable\n");
 256         break;
 257     case VMOVED:
 258         fprintf(STDERR, "Volume has moved to another server\n");
 259         break;
 260     case VL_IDEXIST:
 261         fprintf(STDERR, "VLDB: volume Id exists in the vldb\n");
 262         break;
 263     case VL_IO:
 264         fprintf(STDERR, "VLDB: a read terminated too early\n");
 265         break;
 266     case VL_NAMEEXIST:
 267         fprintf(STDERR, "VLDB: volume entry exists in the vldb\n");
 268         break;
 269     case VL_CREATEFAIL:
 270         fprintf(STDERR, "VLDB: internal creation failure\n");
 271         break;
 272     case VL_NOENT:
 273         fprintf(STDERR, "VLDB: no such entry\n");
 274         break;
 275     case VL_EMPTY:
 276         fprintf(STDERR, "VLDB: vldb database is empty\n");
 277         break;
 278     case VL_ENTDELETED:
 279         fprintf(STDERR, "VLDB: entry is deleted (soft delete)\n");
 280         break;
 281     case VL_BADNAME:
 282         fprintf(STDERR, "VLDB: volume name is illegal\n");
 283         break;
 284     case VL_BADINDEX:
 285         fprintf(STDERR, "VLDB: index was out of range\n");
 286         break;
 287     case VL_BADVOLTYPE:
 288         fprintf(STDERR, "VLDB: bad volume type\n");
 289         break;
 290     case VL_BADSERVER:
 291         fprintf(STDERR, "VLDB: illegal server number (not within limits)\n");
 292         break;
 293     case VL_BADPARTITION:
 294         fprintf(STDERR, "VLDB: bad partition number\n");
 295         break;
 296     case VL_REPSFULL:
 297         fprintf(STDERR, "VLDB: run out of space for replication sites\n");
 298         break;
 299     case VL_NOREPSERVER:
 300         fprintf(STDERR, "VLDB: no such repsite server exists\n");
 301         break;
 302     case VL_DUPREPSERVER:
 303         fprintf(STDERR, "VLDB: replication site server already exists\n");
 304         break;
 305     case VL_RWNOTFOUND:
 306         fprintf(STDERR, "VLDB: parent r/w entry not found\n");
 307         break;
 308     case VL_BADREFCOUNT:
 309         fprintf(STDERR, "VLDB: illegal reference count number\n");
 310         break;
 311     case VL_SIZEEXCEEDED:
 312         fprintf(STDERR, "VLDB: vldb size for attributes exceeded\n");
 313         break;
 314     case VL_BADENTRY:
 315         fprintf(STDERR, "VLDB: bad incoming vldb entry\n");
 316         break;
 317     case VL_BADVOLIDBUMP:
 318         fprintf(STDERR, "VLDB: illegal max volid increment\n");
 319         break;
 320     case VL_IDALREADYHASHED:
 321         fprintf(STDERR, "VLDB: (RO/BACK) Id already hashed\n");
 322         break;
 323     case VL_ENTRYLOCKED:
 324         fprintf(STDERR, "VLDB: vldb entry is already locked\n");
 325         break;
 326     case VL_BADVOLOPER:
 327         fprintf(STDERR, "VLDB: bad volume operation code\n");
 328         break;
 329     case VL_BADRELLOCKTYPE:
 330         fprintf(STDERR, "VLDB: bad release lock type\n");
 331         break;
 332     case VL_RERELEASE:
 333         fprintf(STDERR, "VLDB: status report: last release was aborted\n");
 334         break;
 335     case VL_BADSERVERFLAG:
 336         fprintf(STDERR, "VLDB: invalid replication site server flag\n");
 337         break;
 338     case VL_PERM:
 339         fprintf(STDERR, "VLDB: no permission access for call\n");
 340         break;
 341     case VOLSERREAD_DUMPERROR:
 342         fprintf(STDERR,
 343                 "VOLSER:  Problems encountered in reading the dump file !\n");
 344         break;
 345     case VOLSERDUMPERROR:
 346         fprintf(STDERR, "VOLSER: Problems encountered in doing the dump !\n");
 347         break;
 348     case VOLSERATTACH_ERROR:
 349         fprintf(STDERR, "VOLSER: Could not attach the volume\n");
 350         break;
 351     case VOLSERDETACH_ERROR:
 352         fprintf(STDERR, "VOLSER: Could not detach the volume\n");
 353         break;
 354     case VOLSERILLEGAL_PARTITION:
 355         fprintf(STDERR, "VOLSER: encountered illegal partition number\n");
 356         break;
 357     case VOLSERBAD_ACCESS:
 358         fprintf(STDERR, "VOLSER: permission denied, not a super user\n");
 359         break;
 360     case VOLSERVLDB_ERROR:
 361         fprintf(STDERR, "VOLSER: error detected in the VLDB\n");
 362         break;
 363     case VOLSERBADNAME:
 364         fprintf(STDERR, "VOLSER: error in volume name\n");
 365         break;
 366     case VOLSERVOLMOVED:
 367         fprintf(STDERR, "VOLSER: volume has moved\n");
 368         break;
 369     case VOLSERBADOP:
 370         fprintf(STDERR, "VOLSER: illegal operation\n");
 371         break;
 372     case VOLSERBADRELEASE:
 373         fprintf(STDERR, "VOLSER: release could not be completed\n");
 374         break;
 375     case VOLSERVOLBUSY:
 376         fprintf(STDERR, "VOLSER: volume is busy\n");
 377         break;
 378     case VOLSERNO_MEMORY:
 379         fprintf(STDERR, "VOLSER: volume server is out of memory\n");
 380         break;
 381     case VOLSERNOVOL:
 382         fprintf(STDERR,
 383                 "VOLSER: no such volume - location specified incorrectly or volume does not exist\n");
 384         break;
 385     case VOLSERMULTIRWVOL:
 386         fprintf(STDERR,
 387                 "VOLSER: multiple RW volumes with same ID, one of which should be deleted\n");
 388         break;
 389     case VOLSERFAILEDOP:
 390         fprintf(STDERR,
 391                 "VOLSER: not all entries were successfully processed\n");
 392         break;
 393     default:
 394         {
 395             initialize_RXK_error_table();
 396             initialize_KTC_error_table();
 397             initialize_ACFG_error_table();
 398             initialize_VL_error_table();
 399
 400             fprintf(STDERR, "%s: %s\n", afs_error_table_name(errcode),
 401                     afs_error_message(errcode));
 402             break;
 403         }
 404     }
 405     return 0;
 406 }
 407
 408 void init_volintInfo(struct volintInfo *vinfo) {
 409     memset(vinfo, 0, sizeof(struct volintInfo));
 410
 411     vinfo->maxquota = -1;
 412     vinfo->dayUse = -1;
 413     vinfo->creationDate = -1;
 414     vinfo->updateDate = -1;
 415     vinfo->flags = -1;
 416     vinfo->spare0 = -1;
 417     vinfo->spare1 = -1;
 418     vinfo->spare2 = -1;
 419     vinfo->spare3 = -1;
 420 }
 421
 422 static struct rx_securityClass *uvclass = 0;
 423 static int uvindex = -1;
 424 /* called by VLDBClient_Init to set the security module to be used in the RPC */
 425 int
 426 UV_SetSecurity(struct rx_securityClass *as, afs_int32 aindex)
 427 {
 428     uvindex = aindex;
 429     uvclass = as;
 430     return 0;
 431 }
 432
 433 /* bind to volser on <port> <aserver> */
 434 /* takes server address in network order, port in host order.  dumb */
 435 struct rx_connection *
 436 UV_Bind(afs_uint32 aserver, afs_int32 port)
 437 {
 438     struct rx_connection *tc;
 439
 440     tc = rx_NewConnection(aserver, htons(port), VOLSERVICE_ID, uvclass,
 441                           uvindex);
 442     return tc;
 443 }
 444
 445 static int
 446 AFSVolCreateVolume_retry(struct rx_connection *z_conn,
 447                        afs_int32 partition, char *name, afs_int32 type,
 448                        afs_int32 parent, afs_uint32 *volid, afs_int32 *trans)
 449 {
 450     afs_int32 code;
 451     int retries = 3;
 452     while (retries) {
 453         code = AFSVolCreateVolume(z_conn, partition, name, type, parent,
 454                                   volid, trans);
 455         if (code != VOLSERVOLBUSY)
 456             break;
 457         retries--;
 458 #ifdef AFS_PTHREAD_ENV
 459         sleep(3-retries);
 460 #else
 461         IOMGR_Sleep(3-retries);
 462 #endif
 463     }
 464     return code;
 465 }
 466
 467 static int
 468 AFSVolTransCreate_retry(struct rx_connection *z_conn,
 469                         afs_int32 volume, afs_int32 partition,
 470                         afs_int32 flags, afs_int32 * trans)
 471 {
 472     afs_int32 code;
 473     int retries = 3;
 474     while (retries) {
 475         code = AFSVolTransCreate(z_conn, volume, partition, flags, trans);
 476         if (code != VOLSERVOLBUSY)
 477             break;
 478         retries--;
 479 #ifdef AFS_PTHREAD_ENV
 480         sleep(3-retries);
 481 #else
 482         IOMGR_Sleep(3-retries);
 483 #endif
 484     }
 485     return code;
 486 }
 487
 488 #if 0
 489 /* if <okvol> is allright(indicated by beibg able to
 490  * start a transaction, delete the <delvol> */
 491 static afs_int32
 492 CheckAndDeleteVolume(struct rx_connection *aconn, afs_int32 apart,
 493                      afs_uint32 okvol, afs_uint32 delvol)
 494 {
 495     afs_int32 error, code, tid, rcode;
 496     error = 0;
 497     code = 0;
 498
 499     if (okvol == 0) {
 500         code = AFSVolTransCreate_retry(aconn, delvol, apart, ITOffline, &tid);
 501         if (!error && code)
 502             error = code;
 503         code = AFSVolDeleteVolume(aconn, tid);
 504         if (!error && code)
 505             error = code;
 506         code = AFSVolEndTrans(aconn, tid, &rcode);
 507         if (!code)
 508             code = rcode;
 509         if (!error && code)
 510             error = code;
 511         return error;
 512     } else {
 513         code = AFSVolTransCreate_retry(aconn, okvol, apart, ITOffline, &tid);
 514         if (!code) {
 515             code = AFSVolEndTrans(aconn, tid, &rcode);
 516             if (!code)
 517                 code = rcode;
 518             if (!error && code)
 519                 error = code;
 520             code = AFSVolTransCreate_retry(aconn, delvol, apart, ITOffline, &tid);
 521             if (!error && code)
 522                 error = code;
 523             code = AFSVolDeleteVolume(aconn, tid);
 524             if (!error && code)
 525                 error = code;
 526             code = AFSVolEndTrans(aconn, tid, &rcode);
 527             if (!code)
 528                 code = rcode;
 529             if (!error && code)
 530                 error = code;
 531         } else
 532             error = code;
 533         return error;
 534     }
 535 }
 536
 537 #endif
 538
 539 /* called by EmuerateEntry, show vldb entry in a reasonable format */
 540 void
 541 SubEnumerateEntry(struct nvldbentry *entry)
 542 {
 543     int i;
 544     char pname[10];
 545     int isMixed = 0;
 546     char hoststr[16];
 547
 548 #ifdef notdef
 549     fprintf(STDOUT, "   readWriteID %-10u ", entry->volumeId[RWVOL]);
 550     if (entry->flags & VLF_RWEXISTS)
 551         fprintf(STDOUT, " valid \n");
 552     else
 553         fprintf(STDOUT, " invalid \n");
 554     fprintf(STDOUT, "   readOnlyID  %-10u ", entry->volumeId[ROVOL]);
 555     if (entry->flags & VLF_ROEXISTS)
 556         fprintf(STDOUT, " valid \n");
 557     else
 558         fprintf(STDOUT, " invalid \n");
 559     fprintf(STDOUT, "   backUpID    %-10u ", entry->volumeId[BACKVOL]);
 560     if (entry->flags & VLF_BACKEXISTS)
 561         fprintf(STDOUT, " valid \n");
 562     else
 563         fprintf(STDOUT, " invalid \n");
 564     if ((entry->cloneId != 0) && (entry->flags & VLF_ROEXISTS))
 565         fprintf(STDOUT, "    releaseClone %-10u \n", entry->cloneId);
 566 #else
 567     if (entry->flags & VLF_RWEXISTS)
 568         fprintf(STDOUT, "    RWrite: %-10u", entry->volumeId[RWVOL]);
 569     if (entry->flags & VLF_ROEXISTS)
 570         fprintf(STDOUT, "    ROnly: %-10u", entry->volumeId[ROVOL]);
 571     if (entry->flags & VLF_BACKEXISTS)
 572         fprintf(STDOUT, "    Backup: %-10u", entry->volumeId[BACKVOL]);
 573     if ((entry->cloneId != 0) && (entry->flags & VLF_ROEXISTS))
 574         fprintf(STDOUT, "    RClone: %-10lu", (unsigned long)entry->cloneId);
 575     fprintf(STDOUT, "\n");
 576 #endif
 577     fprintf(STDOUT, "    number of sites -> %lu\n",
 578             (unsigned long)entry->nServers);
 579     for (i = 0; i < entry->nServers; i++) {
 580         if (entry->serverFlags[i] & VLSF_NEWREPSITE)
 581             isMixed = 1;
 582     }
 583     for (i = 0; i < entry->nServers; i++) {
 584         MapPartIdIntoName(entry->serverPartition[i], pname);
 585         fprintf(STDOUT, "       server %s partition %s ",
 586                 noresolve ? afs_inet_ntoa_r(entry->serverNumber[i], hoststr) :
 587                 hostutil_GetNameByINet(entry->serverNumber[i]), pname);
 588         if (entry->serverFlags[i] & VLSF_RWVOL)
 589             fprintf(STDOUT, "RW Site ");
 590         else
 591             fprintf(STDOUT, "RO Site ");
 592         if (isMixed) {
 593             if (entry->serverFlags[i] & VLSF_NEWREPSITE)
 594                 fprintf(STDOUT," -- New release");
 595             else
 596                 if (!(entry->serverFlags[i] & VLSF_RWVOL))
 597                     fprintf(STDOUT," -- Old release");
 598         } else {
 599             if (entry->serverFlags[i] & VLSF_DONTUSE)
 600                 fprintf(STDOUT, " -- Not released");
 601         }
 602         fprintf(STDOUT, "\n");
 603     }
 604
 605     return;
 606
 607 }
 608
 609 /*enumerate the vldb entry corresponding to <entry> */
 610 void
 611 EnumerateEntry(struct nvldbentry *entry)
 612 {
 613
 614     fprintf(STDOUT, "\n");
 615     fprintf(STDOUT, "%s \n", entry->name);
 616     SubEnumerateEntry(entry);
 617     return;
 618 }
 619
 620 /* forcibly remove a volume.  Very dangerous call */
 621 int
 622 UV_NukeVolume(afs_uint32 server, afs_int32 partid, afs_uint32 volid)
 623 {
 624     struct rx_connection *tconn;
 625     afs_int32 code;
 626
 627     tconn = UV_Bind(server, AFSCONF_VOLUMEPORT);
 628     if (tconn) {
 629         code = AFSVolNukeVolume(tconn, partid, volid);
 630         rx_DestroyConnection(tconn);
 631     } else
 632         code = 0;
 633     return code;
 634 }
 635
 636 /* like df. Return usage of <pname> on <server> in <partition> */
 637 int
 638 UV_PartitionInfo64(afs_uint32 server, char *pname,
 639                    struct diskPartition64 *partition)
 640 {
 641     struct rx_connection *aconn;
 642     afs_int32 code = 0;
 643
 644     aconn = UV_Bind(server, AFSCONF_VOLUMEPORT);
 645     code = AFSVolPartitionInfo64(aconn, pname, partition);
 646     if (code == RXGEN_OPCODE) {
 647         struct diskPartition *dpp = malloc(sizeof(struct diskPartition));
 648         code = AFSVolPartitionInfo(aconn, pname, dpp);
 649         if (!code) {
 650             strncpy(partition->name, dpp->name, 32);
 651             strncpy(partition->devName, dpp->devName, 32);
 652             partition->lock_fd = dpp->lock_fd;
 653             partition->free = dpp->free;
 654             partition->minFree = dpp->minFree;
 655         }
 656         free(dpp);
 657     }
 658     if (code) {
 659         fprintf(STDERR, "Could not get information on partition %s\n", pname);
 660         PrintError("", code);
 661     }
 662     if (aconn)
 663         rx_DestroyConnection(aconn);
 664     return code;
 665 }
 666
 667 /* old interface to create volumes */
 668 int
 669 UV_CreateVolume(afs_uint32 aserver, afs_int32 apart, char *aname,
 670                 afs_uint32 * anewid)
 671 {
 672     afs_int32 code;
 673     *anewid = 0;
 674     code = UV_CreateVolume2(aserver, apart, aname, 5000, 0, 0, 0, 0, anewid);
 675     return code;
 676 }
 677
 678 /* less old interface to create volumes */
 679 int
 680 UV_CreateVolume2(afs_uint32 aserver, afs_int32 apart, char *aname,
 681                  afs_int32 aquota, afs_int32 aspare1, afs_int32 aspare2,
 682                  afs_int32 aspare3, afs_int32 aspare4, afs_uint32 * anewid)
 683 {
 684     afs_uint32 roid = 0, bkid = 0;
 685     return UV_CreateVolume3(aserver, apart, aname, aquota, aspare1, aspare2,
 686         aspare3, aspare4, anewid, &roid, &bkid);
 687 }
 688
 689 /**
 690  * Create a volume on the given server and partition
 691  *
 692  * @param aserver  server to create volume on
 693  * @param spart  partition to create volume on
 694  * @param aname  name of new volume
 695  * @param aquota  quota for new volume
 696  * @param anewid  contains the desired volume id for the new volume. If
 697  *                *anewid == 0, a new id will be chosen, and will be placed
 698  *                in *anewid when UV_CreateVolume3 returns.
 699  * @param aroid  contains the desired RO volume id. If NULL, the RO id entry
 700  *               will be unset. If *aroid == 0, an id will be chosen, and
 701  *               will be placed in *anewid when UV_CreateVolume3 returns.
 702  * @param abkid  same as aroid, except for the BK volume id instead of the
 703  *               RO volume id.
 704  * @return 0 on success, error code otherwise.
 705  */
 706 int
 707 UV_CreateVolume3(afs_uint32 aserver, afs_int32 apart, char *aname,
 708                  afs_int32 aquota, afs_int32 aspare1, afs_int32 aspare2,
 709                  afs_int32 aspare3, afs_int32 aspare4, afs_uint32 * anewid,
 710                  afs_uint32 * aroid, afs_uint32 * abkid)
 711 {
 712     struct rx_connection *aconn;
 713     afs_int32 tid;
 714     afs_int32 code;
 715     afs_int32 error;
 716     afs_int32 rcode, vcode;
 717     afs_int32 lastid;
 718     struct nvldbentry entry, storeEntry;        /*the new vldb entry */
 719     struct volintInfo tstatus;
 720
 721     tid = 0;
 722     error = 0;
 723
 724     memset(&storeEntry, 0, sizeof(struct nvldbentry));
 725
 726     init_volintInfo(&tstatus);
 727     tstatus.maxquota = aquota;
 728
 729     aconn = UV_Bind(aserver, AFSCONF_VOLUMEPORT);
 730
 731     if (aroid && *aroid) {
 732         VPRINT1("Using RO volume ID %d.\n", *aroid);
 733     }
 734     if (abkid && *abkid) {
 735         VPRINT1("Using BK volume ID %d.\n", *abkid);
 736     }
 737
 738     if (*anewid) {
 739         vcode = VLDB_GetEntryByID(*anewid, -1, &entry);
 740         if (!vcode) {
 741             fprintf(STDERR, "Volume ID %d already exists\n", *anewid);
 742             return VVOLEXISTS;
 743         }
 744         VPRINT1("Using volume ID %d.\n", *anewid);
 745     } else {
 746         vcode = ubik_VL_GetNewVolumeId(cstruct, 0, 1, anewid);
 747         EGOTO1(cfail, vcode, "Could not get an Id for volume %s\n", aname);
 748
 749         if (aroid && *aroid == 0) {
 750             vcode = ubik_VL_GetNewVolumeId(cstruct, 0, 1, aroid);
 751             EGOTO1(cfail, vcode, "Could not get an RO Id for volume %s\n", aname);
 752         }
 753
 754         if (abkid && *abkid == 0) {
 755             vcode = ubik_VL_GetNewVolumeId(cstruct, 0, 1, abkid);
 756             EGOTO1(cfail, vcode, "Could not get a BK Id for volume %s\n", aname);
 757         }
 758     }
 759
 760     /* rw,ro, bk id are related in the default case */
 761     /* If caller specified RW id, but not RO/BK ids, have them be RW+1 and RW+2 */
 762     lastid = *anewid;
 763     if (aroid && *aroid != 0) {
 764         lastid = max(lastid, *aroid);
 765     }
 766     if (abkid && *abkid != 0) {
 767         lastid = max(lastid, *abkid);
 768     }
 769     if (aroid && *aroid == 0) {
 770         *aroid = ++lastid;
 771     }
 772     if (abkid && *abkid == 0) {
 773         *abkid = ++lastid;
 774     }
 775
 776     code =
 777         AFSVolCreateVolume_retry(aconn, apart, aname, volser_RW, 0, anewid, &tid);
 778     EGOTO2(cfail, code, "Failed to create the volume %s %u \n", aname,
 779            *anewid);
 780
 781     code = AFSVolSetInfo(aconn, tid, &tstatus);
 782     if (code)
 783         EPRINT(code, "Could not change quota, continuing...\n");
 784
 785     code = AFSVolSetFlags(aconn, tid, 0);       /* bring it online (mark it InService */
 786     EGOTO2(cfail, code, "Could not bring the volume %s %u online \n", aname,
 787            *anewid);
 788
 789     VPRINT2("Volume %s %u created and brought online\n", aname, *anewid);
 790
 791     /* set up the vldb entry for this volume */
 792     strncpy(entry.name, aname, VOLSER_OLDMAXVOLNAME);
 793     entry.nServers = 1;
 794     entry.serverNumber[0] = aserver;    /* this should have another
 795                                          * level of indirection later */
 796     entry.serverPartition[0] = apart;   /* this should also have
 797                                          * another indirection level */
 798     entry.flags = VLF_RWEXISTS; /* this records that rw volume exists */
 799     entry.serverFlags[0] = VLSF_RWVOL;  /*this rep site has rw  vol */
 800     entry.volumeId[RWVOL] = *anewid;
 801     entry.volumeId[ROVOL] = aroid ? *aroid : 0;
 802     entry.volumeId[BACKVOL] = abkid ? *abkid : 0;
 803     entry.cloneId = 0;
 804     /*map into right byte order, before passing to xdr, the stuff has to be in host
 805      * byte order. Xdr converts it into network order */
 806     MapNetworkToHost(&entry, &storeEntry);
 807     /* create the vldb entry */
 808     vcode = VLDB_CreateEntry(&storeEntry);
 809     if (vcode) {
 810         fprintf(STDERR,
 811                 "Could not create a VLDB entry for the volume %s %lu\n",
 812                 aname, (unsigned long)*anewid);
 813         /*destroy the created volume */
 814         VPRINT1("Deleting the newly created volume %u\n", *anewid);
 815         AFSVolDeleteVolume(aconn, tid);
 816         error = vcode;
 817         goto cfail;
 818     }
 819     VPRINT2("Created the VLDB entry for the volume %s %u\n", aname, *anewid);
 820     /* volume created, now terminate the transaction and release the connection */
 821     code = AFSVolEndTrans(aconn, tid, &rcode);  /*if it crashes before this
 822                                                  * the volume will come online anyway when transaction timesout , so if
 823                                                  * vldb entry exists then the volume is guaranteed to exist too wrt create */
 824     tid = 0;
 825     if (code) {
 826         fprintf(STDERR,
 827                 "Failed to end the transaction on the volume %s %lu\n", aname,
 828                 (unsigned long)*anewid);
 829         error = code;
 830         goto cfail;
 831     }
 832
 833   cfail:
 834     if (tid) {
 835         code = AFSVolEndTrans(aconn, tid, &rcode);
 836         if (code)
 837             fprintf(STDERR, "WARNING: could not end transaction\n");
 838     }
 839     if (aconn)
 840         rx_DestroyConnection(aconn);
 841     PrintError("", error);
 842     return error;
 843 }
 844
 845 /* create a volume, given a server, partition number, volume name --> sends
 846 * back new vol id in <anewid>*/
 847 int
 848 UV_AddVLDBEntry(afs_uint32 aserver, afs_int32 apart, char *aname,
 849                 afs_uint32 aid)
 850 {
 851     struct rx_connection *aconn;
 852     afs_int32 error;
 853     afs_int32 vcode;
 854     struct nvldbentry entry, storeEntry;        /*the new vldb entry */
 855
 856     memset(&storeEntry, 0, sizeof(struct nvldbentry));
 857
 858     aconn = (struct rx_connection *)0;
 859     error = 0;
 860
 861     /* set up the vldb entry for this volume */
 862     strncpy(entry.name, aname, VOLSER_OLDMAXVOLNAME);
 863     entry.nServers = 1;
 864     entry.serverNumber[0] = aserver;    /* this should have another
 865                                          * level of indirection later */
 866     entry.serverPartition[0] = apart;   /* this should also have
 867                                          * another indirection level */
 868     entry.flags = VLF_RWEXISTS; /* this records that rw volume exists */
 869     entry.serverFlags[0] = VLSF_RWVOL;  /*this rep site has rw  vol */
 870     entry.volumeId[RWVOL] = aid;
 871 #ifdef notdef
 872     entry.volumeId[ROVOL] = anewid + 1; /* rw,ro, bk id are related in the default case */
 873     entry.volumeId[BACKVOL] = *anewid + 2;
 874 #else
 875     entry.volumeId[ROVOL] = 0;
 876     entry.volumeId[BACKVOL] = 0;
 877 #endif
 878     entry.cloneId = 0;
 879     /*map into right byte order, before passing to xdr, the stuff has to be in host
 880      * byte order. Xdr converts it into network order */
 881     MapNetworkToHost(&entry, &storeEntry);
 882     /* create the vldb entry */
 883     vcode = VLDB_CreateEntry(&storeEntry);
 884     if (vcode) {
 885         fprintf(STDERR,
 886                 "Could not create a VLDB entry for the  volume %s %lu\n",
 887                 aname, (unsigned long)aid);
 888         error = vcode;
 889         goto cfail;
 890     }
 891     VPRINT2("Created the VLDB entry for the volume %s %u\n", aname, aid);
 892
 893   cfail:
 894     if (aconn)
 895         rx_DestroyConnection(aconn);
 896     PrintError("", error);
 897     return error;
 898 }
 899
 900 /* Delete the volume <volid>on <aserver> <apart>
 901  * the physical entry gets removed from the vldb only if the ref count
 902  * becomes zero
 903  */
 904 int
 905 UV_DeleteVolume(afs_uint32 aserver, afs_int32 apart, afs_uint32 avolid)
 906 {
 907     struct rx_connection *aconn = (struct rx_connection *)0;
 908     afs_int32 ttid = 0;
 909     afs_int32 code, rcode;
 910     afs_int32 error = 0;
 911     struct nvldbentry entry, storeEntry;
 912     int islocked = 0;
 913     afs_int32 avoltype = -1, vtype;
 914     int notondisk = 0, notinvldb = 0;
 915
 916     memset(&storeEntry, 0, sizeof(struct nvldbentry));
 917
 918     /* Find and read bhe VLDB entry for this volume */
 919     code = ubik_VL_SetLock(cstruct, 0, avolid, avoltype, VLOP_DELETE);
 920     if (code) {
 921         if (code != VL_NOENT) {
 922             EGOTO1(error_exit, code,
 923                    "Could not lock VLDB entry for the volume %u\n", avolid);
 924         }
 925         notinvldb = 1;
 926     } else {
 927         islocked = 1;
 928
 929         code = VLDB_GetEntryByID(avolid, avoltype, &entry);
 930         EGOTO1(error_exit, code, "Could not fetch VLDB entry for volume %u\n",
 931                avolid);
 932         MapHostToNetwork(&entry);
 933
 934         if (verbose)
 935             EnumerateEntry(&entry);
 936     }
 937
 938     /* Whether volume is in the VLDB or not. Delete the volume on disk */
 939     aconn = UV_Bind(aserver, AFSCONF_VOLUMEPORT);
 940
 941     code = DoVolDelete(aconn, avolid, apart, "the", 0, NULL, NULL);
 942     if (code) {
 943         if (code == VNOVOL)
 944             notondisk = 1;
 945         else {
 946             error = code;
 947             goto error_exit;
 948         }
 949     }
 950
 951     /* Now update the VLDB entry.
 952      * But first, verify we have a VLDB entry.
 953      * Whether volume is on disk or not. Delete the volume in VLDB.
 954      */
 955     if (notinvldb)
 956         ERROR_EXIT(0);
 957
 958     if (avolid == entry.volumeId[BACKVOL]) {
 959         /* Its a backup volume, modify the VLDB entry. Check that the
 960          * backup volume is on the server/partition we asked to delete.
 961          */
 962         if (!(entry.flags & VLF_BACKEXISTS) || !Lp_Match(aserver, apart, &entry)) {
 963             notinvldb = 2;      /* Not on this server and partition */
 964             ERROR_EXIT(0);
 965         }
 966
 967         VPRINT1("Marking the backup volume %u deleted in the VLDB\n", avolid);
 968
 969         entry.flags &= ~VLF_BACKEXISTS;
 970         vtype = BACKVOL;
 971     }
 972
 973     else if (avolid == entry.volumeId[ROVOL]) {
 974         /* Its a read-only volume, modify the VLDB entry. Check that the
 975          * readonly volume is on the server/partition we asked to delete.
 976          * If flags does not have RO_EIXSTS set, then this may mean the RO
 977          * hasn't been released (and could exist in VLDB).
 978          */
 979         if (!Lp_ROMatch(aserver, apart, &entry)) {
 980             notinvldb = 2;      /* Not found on this server and partition */
 981             ERROR_EXIT(0);
 982         }
 983
 984         if (verbose)
 985             fprintf(STDOUT,
 986                     "Marking the readonly volume %lu deleted in the VLDB\n",
 987                     (unsigned long)avolid);
 988
 989         Lp_SetROValue(&entry, aserver, apart, 0, 0);    /* delete the site */
 990         entry.nServers--;
 991         if (!Lp_ROMatch(0, 0, &entry))
 992             entry.flags &= ~VLF_ROEXISTS;       /* This was the last ro volume */
 993         vtype = ROVOL;
 994     }
 995
 996     else if (avolid == entry.volumeId[RWVOL]) {
 997         /* It's a rw volume, delete the backup volume, modify the VLDB entry.
 998          * Check that the readwrite volumes is on the server/partition we
 999          * asked to delete.
1000          */
1001         if (!(entry.flags & VLF_RWEXISTS) || !Lp_Match(aserver, apart, &entry)) {
1002             notinvldb = 2;      /* Not found on this server and partition */
1003             ERROR_EXIT(0);
1004         }
1005
1006         if (entry.volumeId[BACKVOL]) {
1007             /* Delete backup if it exists */
1008             code = DoVolDelete(aconn, entry.volumeId[BACKVOL], apart,
1009                                "the backup", 0, NULL, NULL);
1010             if (code && code != VNOVOL) {
1011                 error = code;
1012                 goto error_exit;
1013             }
1014         }
1015
1016         if (verbose)
1017             fprintf(STDOUT,
1018                     "Marking the readwrite volume %lu%s deleted in the VLDB\n",
1019                     (unsigned long)avolid,
1020                     ((entry.
1021                       flags & VLF_BACKEXISTS) ? ", and its backup volume," :
1022                      ""));
1023
1024         Lp_SetRWValue(&entry, aserver, apart, 0L, 0L);
1025         entry.nServers--;
1026         entry.flags &= ~(VLF_BACKEXISTS | VLF_RWEXISTS);
1027         vtype = RWVOL;
1028
1029         if (entry.flags & VLF_ROEXISTS)
1030             fprintf(STDERR, "WARNING: ReadOnly copy(s) may still exist\n");
1031     }
1032
1033     else {
1034         notinvldb = 2;          /* Not found on this server and partition */
1035         ERROR_EXIT(0);
1036     }
1037
1038     /* Either delete or replace the VLDB entry */
1039     if ((entry.nServers <= 0) || !(entry.flags & (VLF_ROEXISTS | VLF_RWEXISTS))) {
1040         if (verbose)
1041             fprintf(STDOUT,
1042                     "Last reference to the VLDB entry for %lu - deleting entry\n",
1043                     (unsigned long)avolid);
1044         code = ubik_VL_DeleteEntry(cstruct, 0, avolid, vtype);
1045         EGOTO1(error_exit, code,
1046                "Could not delete the VLDB entry for the volume %u \n",
1047                avolid);
1048     } else {
1049         MapNetworkToHost(&entry, &storeEntry);
1050         code =
1051             VLDB_ReplaceEntry(avolid, vtype, &storeEntry,
1052                               (LOCKREL_OPCODE | LOCKREL_AFSID |
1053                                LOCKREL_TIMESTAMP));
1054         EGOTO1(error_exit, code,
1055                "Could not update the VLDB entry for the volume %u \n",
1056                avolid);
1057     }
1058     islocked = 0;
1059
1060   error_exit:
1061     if (error)
1062         EPRINT(error, "\n");
1063
1064     if (notondisk && notinvldb) {
1065         EPRINT2(VOLSERNOVOL, "Volume %u does not exist %s\n", avolid,
1066                 ((notinvldb == 2) ? "on server and partition" : ""));
1067         if (!error)
1068             error = VOLSERNOVOL;
1069     } else if (notondisk) {
1070         fprintf(STDERR,
1071                 "WARNING: Volume %lu did not exist on the partition\n",
1072                 (unsigned long)avolid);
1073     } else if (notinvldb) {
1074         fprintf(STDERR, "WARNING: Volume %lu does not exist in VLDB %s\n",
1075                 (unsigned long)avolid,
1076                 ((notinvldb == 2) ? "on server and partition" : ""));
1077     }
1078
1079     if (ttid) {
1080         code = AFSVolEndTrans(aconn, ttid, &rcode);
1081         code = (code ? code : rcode);
1082         if (code) {
1083             fprintf(STDERR, "Could not end transaction on the volume %lu\n",
1084                     (unsigned long)avolid);
1085             PrintError("", code);
1086             if (!error)
1087                 error = code;
1088         }
1089     }
1090
1091     if (islocked) {
1092         code =
1093             ubik_VL_ReleaseLock(cstruct, 0, avolid, -1,
1094                                 (LOCKREL_OPCODE | LOCKREL_AFSID |
1095                                  LOCKREL_TIMESTAMP));
1096         if (code) {
1097             EPRINT1(code,
1098                     "Could not release the lock on the VLDB entry for the volume %u \n",
1099                     avolid);
1100             if (!error)
1101                 error = code;
1102         }
1103     }
1104
1105     if (aconn)
1106         rx_DestroyConnection(aconn);
1107     return error;
1108 }
1109
1110 /* add recovery to UV_MoveVolume */
1111
1112 #define TESTC   0               /* set to test recovery code, clear for production */
1113
1114 jmp_buf env;
1115 int interrupt = 0;
1116
1117 static void *
1118 do_interrupt(void * unused)
1119 {
1120     if (interrupt) {
1121 #if !defined(AFS_PTHREAD_ENV) && !defined(AFS_NT40_ENV)
1122         /* Avoid UNIX LWP from getting confused that our stack has suddenly
1123          * changed. This will avoid some sanity checks, but until a better way
1124          * is found, the only alternative is always crashing and burning on at
1125          * least the stack-overflow check. */
1126         lwp_cpptr->stack = NULL;
1127 #endif
1128         longjmp(env, 0);
1129     }
1130
1131     fprintf(STDOUT, "\nSIGINT handler: vos move operation in progress\n");
1132     fprintf(STDOUT,
1133             "WARNING: may leave AFS storage and metadata in indeterminate state\n");
1134     fprintf(STDOUT, "enter second control-c to exit\n");
1135     fflush(STDOUT);
1136
1137     interrupt = 1;
1138     return NULL;
1139 }
1140
1141 static void
1142 sigint_handler(int x)
1143 {
1144 #ifdef AFS_PTHREAD_ENV
1145     do_interrupt(NULL);
1146 #else
1147     IOMGR_SoftSig(do_interrupt, 0);
1148 #endif
1149     (void)signal(SIGINT, sigint_handler);
1150 }
1151
1152 static int
1153 DoVolDelete(struct rx_connection *aconn, afs_uint32 avolid,
1154             afs_int32 apart, char *ptypestring, afs_uint32 atoserver,
1155             struct volser_status *volstatus, char *pprefix)
1156 {
1157     afs_int32 ttid = 0, code, rcode, error = 0;
1158     char *prefix, *typestring;
1159     int beverbose = 0;
1160
1161     if (pprefix)
1162         prefix = pprefix;
1163     else
1164         prefix = "";
1165
1166     if (ptypestring) {
1167         typestring = ptypestring;
1168         beverbose = 1;
1169     } else
1170         typestring = "the";
1171
1172     if (beverbose)
1173         VPRINT3("%sDeleting %s volume %u ...", prefix, typestring, avolid);
1174
1175     code =
1176         AFSVolTransCreate_retry(aconn, avolid, apart, ITOffline, &ttid);
1177
1178     /* return early and quietly for VNOVOL; don't continue the attempt to delete. */
1179     if (code == VNOVOL) {
1180         error = code;
1181         goto dfail;
1182     }
1183
1184     EGOTO2(dfail, code, "%sFailed to start transaction on %u\n",
1185            prefix, avolid);
1186
1187     if (volstatus) {
1188         code = AFSVolGetStatus(aconn, ttid, volstatus);
1189         EGOTO2(dfail, code, "%sCould not get timestamp from volume %u\n",
1190                prefix, avolid);
1191     }
1192
1193     code =
1194         AFSVolSetFlags(aconn, ttid,
1195                        VTDeleteOnSalvage | VTOutOfService);
1196
1197     EGOTO2(dfail, code, "%sCould not set flags on volume %u \n",
1198            prefix, avolid);
1199
1200     if (atoserver) {
1201         VPRINT1("%sSetting volume forwarding pointer ...", prefix);
1202         AFSVolSetForwarding(aconn, ttid, atoserver);
1203         VDONE;
1204     }
1205
1206     code = AFSVolDeleteVolume(aconn, ttid);
1207     EGOTO2(dfail, code, "%sCould not delete volume %u\n", prefix, avolid);
1208
1209 dfail:
1210     if (ttid) {
1211         code = AFSVolEndTrans(aconn, ttid, &rcode);
1212         ttid = 0;
1213         if (!code)
1214             code = rcode;
1215         if (code) {
1216             fprintf(STDERR, "%sCould not end transaction on %s volume %lu \n",
1217                     prefix, typestring, (unsigned long)avolid);
1218             if (!error)
1219                 error = code;
1220         }
1221     }
1222
1223     if (beverbose && !error)
1224         VDONE;
1225     return error;
1226 }
1227
1228 static int
1229 DoVolClone(struct rx_connection *aconn, afs_uint32 avolid,
1230            afs_int32 apart, int type, afs_uint32 cloneid,
1231            char *typestring, char *pname, char *vname, char *suffix,
1232            struct volser_status *volstatus, afs_int32 *transPtr)
1233 {
1234     char cname[64];
1235     afs_int32 ttid = 0, btid = 0;
1236     afs_int32 code = 0, rcode = 0;
1237     afs_int32 error = 0;
1238     int cloneexists = 1;
1239
1240     /* Test to see if the clone volume exists by trying to create
1241      * a transaction on the clone volume. We've assumed the clone exists.
1242      */
1243     code = AFSVolTransCreate_retry(aconn, cloneid, apart, ITOffline, &btid);
1244     if (code) {
1245         if (code != VNOVOL) {
1246             EPRINT2(code, "Could not reach the %s volume %lu\n",
1247                     typestring, (unsigned long)cloneid);
1248             error = code;
1249             goto cfail;
1250         }
1251         cloneexists = 0;         /* clone volume does not exist */
1252     }
1253     if (btid) {
1254         code = AFSVolEndTrans(aconn, btid, &rcode);
1255         btid = 0;
1256         if (code || rcode) {
1257             fprintf(STDERR,
1258                     "Could not end transaction on the previous %s volume %lu\n",
1259                     typestring, (unsigned long)cloneid);
1260             error = (code ? code : rcode);
1261             goto cfail;
1262         }
1263     }
1264
1265     /* Now go ahead and try to clone the RW volume.
1266      * First start a transaction on the RW volume
1267      */
1268     code = AFSVolTransCreate_retry(aconn, avolid, apart, ITBusy, &ttid);
1269     if (code) {
1270         fprintf(STDERR, "Could not start a transaction on the volume %lu\n",
1271                 (unsigned long)avolid);
1272         error = code;
1273         goto cfail;
1274     }
1275
1276     /* Clone or reclone the volume, depending on whether the clone
1277      * volume exists or not
1278      */
1279     if (cloneexists) {
1280         VPRINT2("Re-cloning %s volume %u ...", typestring, cloneid);
1281
1282         code = AFSVolReClone(aconn, ttid, cloneid);
1283         if (code) {
1284             EPRINT2(code, "Could not re-clone %s volume %lu\n",
1285                     typestring, (unsigned long)cloneid);
1286             error = code;
1287             goto cfail;
1288         }
1289     } else {
1290         VPRINT2("Creating a new %s clone %u ...", typestring, cloneid);
1291
1292         if (!vname) {
1293             strcpy(cname, pname);
1294             strcat(cname, suffix);
1295         }
1296
1297         code = AFSVolClone(aconn, ttid, 0, type, vname?vname:cname,
1298                            &cloneid);
1299         if (code) {
1300             fprintf(STDERR, "Failed to clone the volume %lu\n",
1301                     (unsigned long)avolid);
1302             error = code;
1303             goto cfail;
1304         }
1305     }
1306
1307     VDONE;
1308
1309     if (volstatus) {
1310         VPRINT1("Getting status of parent volume %u...", avolid);
1311         code = AFSVolGetStatus(aconn, ttid, volstatus);
1312         if (code) {
1313             fprintf(STDERR, "Failed to get the status of the parent volume %lu\n",
1314                     (unsigned long)avolid);
1315             error = code;
1316             goto cfail;
1317         }
1318         VDONE;
1319     }
1320
1321 cfail:
1322     if (ttid) {
1323         code = AFSVolEndTrans(aconn, ttid, &rcode);
1324         if (code || rcode) {
1325             fprintf(STDERR, "Could not end transaction on the volume %lu\n",
1326                     (unsigned long)avolid);
1327             if (!error)
1328                 error = (code ? code : rcode);
1329         }
1330     }
1331
1332     if (btid) {
1333         code = AFSVolEndTrans(aconn, btid, &rcode);
1334         if (code || rcode) {
1335             fprintf(STDERR,
1336                     "Could not end transaction on the %s volume %lu\n",
1337                     typestring, (unsigned long)cloneid);
1338             if (!error)
1339                 error = (code ? code : rcode);
1340         }
1341     }
1342     return error;
1343 }
1344
1345 /* Convert volume from RO to RW; adjust the VLDB entry to match.
1346  * The nvldbentry passed to us has already been MapHostToNetwork'd
1347  * by the caller.
1348  */
1349
1350 int
1351 UV_ConvertRO(afs_uint32 server, afs_uint32 partition, afs_uint32 volid,
1352                 struct nvldbentry *entry)
1353 {
1354     afs_int32 code, i, same;
1355     struct nvldbentry checkEntry, storeEntry;
1356     afs_int32 vcode;
1357     afs_int32 rwindex = 0;
1358     afs_uint32 rwserver = 0;
1359     afs_int32 roindex = 0;
1360     afs_uint32 roserver = 0;
1361     struct rx_connection *aconn;
1362
1363     memset(&storeEntry, 0, sizeof(struct nvldbentry));
1364
1365     vcode =
1366         ubik_VL_SetLock(cstruct, 0, entry->volumeId[RWVOL], RWVOL,
1367                   VLOP_MOVE);
1368     if (vcode) {
1369         fprintf(STDERR,
1370                 "Unable to lock volume %lu, code %d\n",
1371                 (unsigned long)entry->volumeId[RWVOL],vcode);
1372         PrintError("", vcode);
1373         return -1;
1374     }
1375
1376     /* make sure the VLDB entry hasn't changed since we started */
1377     memset(&checkEntry, 0, sizeof(checkEntry));
1378     vcode = VLDB_GetEntryByID(volid, -1, &checkEntry);
1379     if (vcode) {
1380         fprintf(STDERR,
1381                 "Could not fetch the entry for volume %lu from VLDB\n",
1382                 (unsigned long)volid);
1383         PrintError("convertROtoRW ", vcode);
1384         code = vcode;
1385         goto error_exit;
1386     }
1387
1388     MapHostToNetwork(&checkEntry);
1389     entry->flags &= ~VLOP_ALLOPERS;  /* clear any stale lock operation flags */
1390     entry->flags |= VLOP_MOVE;        /* set to match SetLock operation above */
1391     if (memcmp(entry, &checkEntry, sizeof(*entry)) != 0) {
1392         fprintf(STDERR,
1393                 "VLDB entry for volume %lu has changed; please reissue the command.\n",
1394                 (unsigned long)volid);
1395         code = -1;
1396         goto error_exit;
1397     }
1398
1399     /* extract information from the original entry */
1400     for (i = 0; i < entry->nServers; i++) {
1401         if (entry->serverFlags[i] & VLSF_RWVOL) {
1402             rwindex = i;
1403             rwserver = entry->serverNumber[i];
1404         /*  rwpartition = entry->serverPartition[i]; */
1405             if (roserver)
1406                 break;
1407         } else if ((entry->serverFlags[i] & VLSF_ROVOL) && !roserver) {
1408             same = VLDB_IsSameAddrs(server, entry->serverNumber[i], &code);
1409             if (code) {
1410                 fprintf(STDERR,
1411                         "Failed to get info about server's %d address(es) from vlserver (err=%d); aborting call!\n",
1412                         server, code);
1413                 code = ENOENT;
1414                 goto error_exit;
1415             }
1416             if (same) {
1417                 roindex = i;
1418                 roserver = entry->serverNumber[i];
1419         /*      ropartition = entry->serverPartition[i]; */
1420                 if (rwserver)
1421                      break;
1422             }
1423         }
1424     }
1425
1426     aconn = UV_Bind(server, AFSCONF_VOLUMEPORT);
1427     code = AFSVolConvertROtoRWvolume(aconn, partition, volid);
1428     if (code) {
1429         fprintf(STDERR,
1430                 "Converting RO volume %lu to RW volume failed with code %d\n",
1431                 (unsigned long)volid, code);
1432         PrintError("convertROtoRW ", code);
1433         goto error_exit;
1434     }
1435     /* Update the VLDB to match what we did on disk as much as possible.  */
1436     /* If the converted RO was in the VLDB, make it look like the new RW. */
1437     if (roserver) {
1438         entry->serverFlags[roindex] = VLSF_RWVOL;
1439     } else {
1440         /* Add a new site entry for the newly created RW.  It's possible
1441          * (but unlikely) that we are already at MAXNSERVERS and that this
1442          * new site will invalidate the whole VLDB entry;  however,
1443          * VLDB_ReplaceEntry will detect this and return VL_BADSERVER,
1444          * so we need no extra guard logic here.
1445          */
1446         afs_int32 newrwindex = entry->nServers;
1447         (entry->nServers)++;
1448         entry->serverNumber[newrwindex] = server;
1449         entry->serverPartition[newrwindex] = partition;
1450         entry->serverFlags[newrwindex] = VLSF_RWVOL;
1451     }
1452     entry->flags |= VLF_RWEXISTS;
1453     entry->flags &= ~VLF_BACKEXISTS;
1454
1455     /* if the old RW was in the VLDB, remove it by decrementing the number */
1456     /* of servers, replacing the RW entry with the last entry, and zeroing */
1457     /* out the last entry. */
1458     if (rwserver) {
1459         (entry->nServers)--;
1460         if (rwindex != entry->nServers) {
1461             entry->serverNumber[rwindex] = entry->serverNumber[entry->nServers];
1462             entry->serverPartition[rwindex] =
1463                 entry->serverPartition[entry->nServers];
1464             entry->serverFlags[rwindex] = entry->serverFlags[entry->nServers];
1465             entry->serverNumber[entry->nServers] = 0;
1466             entry->serverPartition[entry->nServers] = 0;
1467             entry->serverFlags[entry->nServers] = 0;
1468         }
1469     }
1470     entry->flags &= ~VLF_ROEXISTS;
1471     for (i = 0; i < entry->nServers; i++) {
1472         if (entry->serverFlags[i] & VLSF_ROVOL) {
1473             if (!(entry->serverFlags[i] & (VLSF_DONTUSE | VLSF_NEWREPSITE)))
1474                 entry->flags |= VLF_ROEXISTS;
1475         }
1476     }
1477     MapNetworkToHost(entry, &storeEntry);
1478     code =
1479         VLDB_ReplaceEntry(entry->volumeId[RWVOL], RWVOL, &storeEntry,
1480                           (LOCKREL_OPCODE | LOCKREL_AFSID |
1481                            LOCKREL_TIMESTAMP));
1482     if (code) {
1483         fprintf(STDERR,
1484                 "Warning: volume converted, but vldb update failed with code %d!\n",
1485                 code);
1486     }
1487
1488   error_exit:
1489     vcode = UV_LockRelease(entry->volumeId[RWVOL]);
1490     if (vcode) {
1491         fprintf(STDERR,
1492                 "Unable to unlock volume %lu, code %d\n",
1493                 (unsigned long)entry->volumeId[RWVOL],vcode);
1494         PrintError("", vcode);
1495     }
1496     return code;
1497 }
1498
1499
1500 /* Move volume <afromvol> on <afromserver> <afrompart> to <atoserver>
1501  * <atopart>.  The operation is almost idempotent.  The following
1502  * flags are recognized:
1503  *
1504  *     RV_NOCLONE - don't use a copy clone
1505  */
1506
1507 int
1508 UV_MoveVolume2(afs_uint32 afromvol, afs_uint32 afromserver, afs_int32 afrompart,
1509                afs_uint32 atoserver, afs_int32 atopart, int flags)
1510 {
1511     /* declare stuff 'volatile' that may be used from setjmp/longjmp and may
1512      * be changing during the move */
1513     struct rx_connection * volatile toconn;
1514     struct rx_connection * volatile fromconn;
1515     afs_int32 volatile fromtid;
1516     afs_int32 volatile totid;
1517     afs_int32 volatile clonetid;
1518     afs_uint32 volatile newVol;
1519     afs_uint32 volatile volid;
1520     afs_uint32 volatile backupId;
1521     int volatile islocked;
1522     int volatile pntg;
1523
1524     char vname[64];
1525     char *volName = 0;
1526     char tmpName[VOLSER_MAXVOLNAME + 1];
1527     afs_int32 rcode;
1528     afs_int32 fromDate;
1529     afs_int32 tmp;
1530     afs_uint32 tmpVol;
1531     struct restoreCookie cookie;
1532     afs_int32 vcode, code;
1533     struct volser_status tstatus;
1534     struct destServer destination;
1535
1536     struct nvldbentry entry, storeEntry;
1537     int i;
1538     afs_int32 error;
1539     char in, lf;                /* for test code */
1540     int same;
1541     char hoststr[16];
1542
1543 #ifdef  ENABLE_BUGFIX_1165
1544     volEntries volumeInfo;
1545     struct volintInfo *infop = 0;
1546 #endif
1547
1548     islocked = 0;
1549     fromconn = (struct rx_connection *)0;
1550     toconn = (struct rx_connection *)0;
1551     fromtid = 0;
1552     totid = 0;
1553     clonetid = 0;
1554     error = 0;
1555     volid = 0;
1556     pntg = 0;
1557     backupId = 0;
1558     newVol = 0;
1559
1560     /* support control-c processing */
1561     if (setjmp(env))
1562         goto mfail;
1563     (void)signal(SIGINT, sigint_handler);
1564
1565     if (TESTC) {
1566         fprintf(STDOUT,
1567                 "\nThere are three tests points - verifies all code paths through recovery.\n");
1568         fprintf(STDOUT, "First test point - operation not started.\n");
1569         fprintf(STDOUT, "...test here (y, n)? ");
1570         fflush(STDOUT);
1571         if (fscanf(stdin, "%c", &in) < 1)
1572             in = 0;
1573         if (fscanf(stdin, "%c", &lf) < 0) {
1574             /* toss away; don't care */
1575         }
1576         if (in == 'y') {
1577             fprintf(STDOUT, "type control-c\n");
1578             while (1) {
1579                 fprintf(stdout, ".");
1580                 fflush(stdout);
1581                 sleep(1);
1582             }
1583         }
1584         /* or drop through */
1585     }
1586
1587     vcode = VLDB_GetEntryByID(afromvol, -1, &entry);
1588     EGOTO1(mfail, vcode,
1589            "Could not fetch the entry for the volume  %u from the VLDB \n",
1590            afromvol);
1591
1592     if (entry.volumeId[RWVOL] != afromvol) {
1593         fprintf(STDERR, "Only RW volume can be moved\n");
1594         exit(1);
1595     }
1596
1597     vcode = ubik_VL_SetLock(cstruct, 0, afromvol, RWVOL, VLOP_MOVE);
1598     EGOTO1(mfail, vcode, "Could not lock entry for volume %u \n", afromvol);
1599     islocked = 1;
1600
1601     vcode = VLDB_GetEntryByID(afromvol, RWVOL, &entry);
1602     EGOTO1(mfail, vcode,
1603            "Could not fetch the entry for the volume  %u from the VLDB \n",
1604            afromvol);
1605
1606     backupId = entry.volumeId[BACKVOL];
1607     MapHostToNetwork(&entry);
1608
1609     if (!Lp_Match(afromserver, afrompart, &entry)) {
1610         /* the from server and partition do not exist in the vldb entry corresponding to volid */
1611         if (!Lp_Match(atoserver, atopart, &entry)) {
1612             /* the to server and partition do not exist in the vldb entry corresponding to volid */
1613             fprintf(STDERR, "The volume %lu is not on the specified site. \n",
1614                     (unsigned long)afromvol);
1615             fprintf(STDERR, "The current site is :");
1616             for (i = 0; i < entry.nServers; i++) {
1617                 if (entry.serverFlags[i] == VLSF_RWVOL) {
1618                     char pname[10];
1619                     MapPartIdIntoName(entry.serverPartition[i], pname);
1620                     fprintf(STDERR, " server %s partition %s \n",
1621                             noresolve ? afs_inet_ntoa_r(entry.serverNumber[i], hoststr) :
1622                             hostutil_GetNameByINet(entry.serverNumber[i]),
1623                             pname);
1624                 }
1625             }
1626             vcode =
1627                 ubik_VL_ReleaseLock(cstruct, 0, afromvol, -1,
1628                           (LOCKREL_OPCODE | LOCKREL_AFSID |
1629                            LOCKREL_TIMESTAMP));
1630             EGOTO1(mfail, vcode,
1631                    " Could not release lock on the VLDB entry for the volume %u \n",
1632                    afromvol);
1633
1634             return VOLSERVOLMOVED;
1635         }
1636
1637         /* delete the volume afromvol on src_server */
1638         /* from-info does not exist but to-info does =>
1639          * we have already done the move, but the volume
1640          * may still be existing physically on from fileserver
1641          */
1642         fromconn = UV_Bind(afromserver, AFSCONF_VOLUMEPORT);
1643         pntg = 1;
1644
1645         code = DoVolDelete(fromconn, afromvol, afrompart,
1646                            "leftover", 0, NULL, NULL);
1647         if (code && code != VNOVOL) {
1648             error = code;
1649             goto mfail;
1650         }
1651
1652         code = DoVolDelete(fromconn, backupId, afrompart,
1653                            "leftover backup", 0, NULL, NULL);
1654         if (code && code != VNOVOL) {
1655             error = code;
1656             goto mfail;
1657         }
1658
1659         fromtid = 0;
1660         error = 0;
1661         goto mfail;
1662     }
1663
1664     /* From-info matches the vldb info about volid,
1665      * its ok start the move operation, the backup volume
1666      * on the old site is deleted in the process
1667      */
1668     if (afrompart == atopart) {
1669         same = VLDB_IsSameAddrs(afromserver, atoserver, &error);
1670         EGOTO2(mfail, error,
1671                "Failed to get info about server's %d address(es) from vlserver (err=%d); aborting call!\n",
1672                afromserver, error);
1673
1674         if (same) {
1675             EGOTO1(mfail, VOLSERVOLMOVED,
1676                    "Warning: Moving volume %u to its home partition ignored!\n",
1677                    afromvol);
1678         }
1679     }
1680
1681     pntg = 1;
1682     toconn = UV_Bind(atoserver, AFSCONF_VOLUMEPORT);    /* get connections to the servers */
1683     fromconn = UV_Bind(afromserver, AFSCONF_VOLUMEPORT);
1684     totid = 0;  /* initialize to uncreated */
1685
1686     /* ***
1687      * clone the read/write volume locally.
1688      * ***/
1689
1690     VPRINT1("Starting transaction on source volume %u ...", afromvol);
1691     code = AFSVolTransCreate_retry(fromconn, afromvol, afrompart, ITBusy, &tmp);
1692     fromtid = tmp;
1693     EGOTO1(mfail, code, "Failed to create transaction on the volume %u\n",
1694            afromvol);
1695     VDONE;
1696
1697     if (!(flags & RV_NOCLONE)) {
1698         /* Get a clone id */
1699         VPRINT1("Allocating new volume id for clone of volume %u ...",
1700                 afromvol);
1701         tmpVol = 0;
1702         vcode = ubik_VL_GetNewVolumeId(cstruct, 0, 1, &tmpVol);
1703         newVol = tmpVol;
1704         EGOTO1(mfail, vcode,
1705                "Could not get an ID for the clone of volume %u from the VLDB\n",
1706                afromvol);
1707         VDONE;
1708
1709         /* Do the clone. Default flags on clone are set to delete on salvage and out of service */
1710         VPRINT1("Cloning source volume %u ...", afromvol);
1711         strcpy(vname, "move-clone-temp");
1712         code =
1713             AFSVolClone(fromconn, fromtid, 0, readonlyVolume, vname, &tmpVol);
1714         newVol = tmpVol;
1715         EGOTO1(mfail, code, "Failed to clone the source volume %u\n",
1716                afromvol);
1717         VDONE;
1718     }
1719
1720     /* lookup the name of the volume we just cloned */
1721     volid = afromvol;
1722     code = AFSVolGetName(fromconn, fromtid, &volName);
1723     EGOTO1(mfail, code, "Failed to get the name of the volume %u\n",
1724            afromvol);
1725
1726     VPRINT1("Ending the transaction on the source volume %u ...", afromvol);
1727     rcode = 0;
1728     code = AFSVolEndTrans(fromconn, fromtid, &rcode);
1729     fromtid = 0;
1730     if (!code)
1731         code = rcode;
1732     EGOTO1(mfail, code,
1733            "Failed to end the transaction on the source volume %u\n",
1734            afromvol);
1735     VDONE;
1736
1737     /* ***
1738      * Create the destination volume
1739      * ***/
1740
1741     if (!(flags & RV_NOCLONE)) {
1742         /* All of this is to get the fromDate */
1743         VPRINT1("Starting transaction on the cloned volume %u ...", newVol);
1744         tmp = clonetid;
1745         code =
1746             AFSVolTransCreate_retry(fromconn, newVol, afrompart, ITOffline,
1747                               &tmp);
1748         clonetid = tmp;
1749         EGOTO1(mfail, code,
1750                "Failed to start a transaction on the cloned volume%u\n",
1751                newVol);
1752         VDONE;
1753
1754         VPRINT1("Setting flags on cloned volume %u ...", newVol);
1755         code =
1756             AFSVolSetFlags(fromconn, clonetid,
1757                            VTDeleteOnSalvage | VTOutOfService); /*redundant */
1758         EGOTO1(mfail, code, "Could not set flags on the cloned volume %u\n",
1759                newVol);
1760         VDONE;
1761
1762         /* remember time from which we've dumped the volume */
1763         VPRINT1("Getting status of cloned volume %u ...", newVol);
1764         code = AFSVolGetStatus(fromconn, clonetid, &tstatus);
1765         EGOTO1(mfail, code,
1766                "Failed to get the status of the cloned volume %u\n",
1767                newVol);
1768         VDONE;
1769
1770         fromDate = CLOCKADJ(tstatus.creationDate);
1771     } else {
1772         /* With RV_NOCLONE, just do a full copy from the source */
1773         fromDate = 0;
1774     }
1775
1776
1777 #ifdef  ENABLE_BUGFIX_1165
1778     /*
1779      * Get the internal volume state from the source volume. We'll use such info (i.e. dayUse)
1780      * to copy it to the new volume (via AFSSetInfo later on) so that when we move volumes we
1781      * don't use this information...
1782      */
1783     volumeInfo.volEntries_val = (volintInfo *) 0;       /*this hints the stub to allocate space */
1784     volumeInfo.volEntries_len = 0;
1785     code = AFSVolListOneVolume(fromconn, afrompart, afromvol, &volumeInfo);
1786     EGOTO1(mfail, code,
1787            "Failed to get the volint Info of the cloned volume %u\n",
1788            afromvol);
1789
1790     infop = (volintInfo *) volumeInfo.volEntries_val;
1791     infop->maxquota = -1;       /* Else it will replace the default quota */
1792     infop->creationDate = -1;   /* Else it will use the source creation date */
1793     infop->updateDate = -1;     /* Else it will use the source update date */
1794 #endif
1795
1796     /* create a volume on the target machine */
1797     volid = afromvol;
1798     code = DoVolDelete(toconn, volid, atopart,
1799                        "pre-existing destination", 0, NULL, NULL);
1800     if (code && code != VNOVOL) {
1801         error = code;
1802         goto mfail;
1803     }
1804
1805     VPRINT1("Creating the destination volume %u ...", volid);
1806     tmp = totid;
1807     tmpVol = volid;
1808     code =
1809         AFSVolCreateVolume(toconn, atopart, volName, volser_RW, volid, &tmpVol,
1810                            &tmp);
1811     totid = tmp;
1812     volid = tmpVol;
1813     EGOTO1(mfail, code, "Failed to create the destination volume %u\n",
1814            volid);
1815     VDONE;
1816
1817     strncpy(tmpName, volName, VOLSER_OLDMAXVOLNAME);
1818     free(volName);
1819     volName = NULL;
1820
1821     VPRINT1("Setting volume flags on destination volume %u ...", volid);
1822     code =
1823         AFSVolSetFlags(toconn, totid, (VTDeleteOnSalvage | VTOutOfService));
1824     EGOTO1(mfail, code,
1825            "Failed to set the flags on the destination volume %u\n", volid);
1826     VDONE;
1827
1828     /***
1829      * Now dump the clone to the new volume
1830      ***/
1831
1832     destination.destHost = ntohl(atoserver);
1833     destination.destPort = AFSCONF_VOLUMEPORT;
1834     destination.destSSID = 1;
1835
1836     strncpy(cookie.name, tmpName, VOLSER_OLDMAXVOLNAME);
1837     cookie.type = RWVOL;
1838     cookie.parent = entry.volumeId[RWVOL];
1839     cookie.clone = 0;
1840
1841     if (!(flags & RV_NOCLONE)) {
1842         /* Copy the clone to the new volume */
1843         VPRINT2("Dumping from clone %u on source to volume %u on destination ...",
1844                 newVol, afromvol);
1845         code =
1846             AFSVolForward(fromconn, clonetid, 0, &destination, totid,
1847                           &cookie);
1848         EGOTO1(mfail, code, "Failed to move data for the volume %u\n", volid);
1849         VDONE;
1850
1851         VPRINT1("Ending transaction on cloned volume %u ...", newVol);
1852         code = AFSVolEndTrans(fromconn, clonetid, &rcode);
1853         if (!code)
1854             code = rcode;
1855         clonetid = 0;
1856         EGOTO1(mfail, code,
1857                "Failed to end the transaction on the cloned volume %u\n",
1858                newVol);
1859         VDONE;
1860     }
1861
1862     /* ***
1863      * reattach to the main-line volume, and incrementally dump it.
1864      * ***/
1865
1866     VPRINT1("Starting transaction on source volume %u ...", afromvol);
1867     tmp = fromtid;
1868     code = AFSVolTransCreate_retry(fromconn, afromvol, afrompart, ITBusy, &tmp);
1869     fromtid = tmp;
1870     EGOTO1(mfail, code,
1871            "Failed to create a transaction on the source volume %u\n",
1872            afromvol);
1873     VDONE;
1874
1875     /* now do the incremental */
1876     VPRINT2
1877         ("Doing the%s dump from source to destination for volume %u ... ",
1878          (flags & RV_NOCLONE) ? "" : " incremental",
1879          afromvol);
1880     code =
1881         AFSVolForward(fromconn, fromtid, fromDate, &destination, totid,
1882                       &cookie);
1883     EGOTO1(mfail, code,
1884            "Failed to do the%s dump from rw volume on old site to rw volume on newsite\n",
1885           (flags & RV_NOCLONE) ? "" : " incremental");
1886     VDONE;
1887
1888     /* now adjust the flags so that the new volume becomes official */
1889     VPRINT1("Setting volume flags on old source volume %u ...", afromvol);
1890     code = AFSVolSetFlags(fromconn, fromtid, VTOutOfService);
1891     EGOTO(mfail, code,
1892           "Failed to set the flags to make old source volume offline\n");
1893     VDONE;
1894
1895     VPRINT1("Setting volume flags on new source volume %u ...", afromvol);
1896     code = AFSVolSetFlags(toconn, totid, 0);
1897     EGOTO(mfail, code,
1898           "Failed to set the flags to make new source volume online\n");
1899     VDONE;
1900
1901 #ifdef  ENABLE_BUGFIX_1165
1902     VPRINT1("Setting volume status on destination volume %u ...", volid);
1903     code = AFSVolSetInfo(toconn, totid, infop);
1904     EGOTO1(mfail, code,
1905            "Failed to set volume status on the destination volume %u\n",
1906            volid);
1907     VDONE;
1908 #endif
1909
1910     /* put new volume online */
1911     VPRINT1("Ending transaction on destination volume %u ...", afromvol);
1912     code = AFSVolEndTrans(toconn, totid, &rcode);
1913     totid = 0;
1914     if (!code)
1915         code = rcode;
1916     EGOTO1(mfail, code,
1917            "Failed to end the transaction on the volume %u on the new site\n",
1918            afromvol);
1919     VDONE;
1920
1921     Lp_SetRWValue(&entry, afromserver, afrompart, atoserver, atopart);
1922     MapNetworkToHost(&entry, &storeEntry);
1923     storeEntry.flags &= ~VLF_BACKEXISTS;
1924
1925     if (TESTC) {
1926         fprintf(STDOUT,
1927                 "Second test point - operation in progress but not complete.\n");
1928         fprintf(STDOUT, "...test here (y, n)? ");
1929         fflush(STDOUT);
1930         if (fscanf(stdin, "%c", &in) < 1)
1931             in = 0;
1932         if (fscanf(stdin, "%c", &lf) < 0) {
1933             /* toss away, don't care */
1934         }
1935         if (in == 'y') {
1936             fprintf(STDOUT, "type control-c\n");
1937             while (1) {
1938                 fprintf(stdout, ".");
1939                 fflush(stdout);
1940                 sleep(1);
1941             }
1942         }
1943         /* or drop through */
1944     }
1945
1946     VPRINT1("Releasing lock on VLDB entry for volume %u ...", afromvol);
1947     vcode =
1948         VLDB_ReplaceEntry(afromvol, -1, &storeEntry,
1949                           (LOCKREL_OPCODE | LOCKREL_AFSID |
1950                            LOCKREL_TIMESTAMP));
1951     if (vcode) {
1952         fprintf(STDERR,
1953                 " Could not release the lock on the VLDB entry for the volume %s %lu \n",
1954                 storeEntry.name, (unsigned long)afromvol);
1955         error = vcode;
1956         goto mfail;
1957     }
1958     islocked = 0;
1959     VDONE;
1960
1961     if (TESTC) {
1962         fprintf(STDOUT,
1963                 "Third test point - operation complete but no cleanup.\n");
1964         fprintf(STDOUT, "...test here (y, n)? ");
1965         fflush(STDOUT);
1966         if (fscanf(stdin, "%c", &in) < 1)
1967             in = 0;
1968         if (fscanf(stdin, "%c", &lf) < 0) {
1969             /* toss away; don't care */
1970         }
1971         if (in == 'y') {
1972             fprintf(STDOUT, "type control-c\n");
1973             while (1) {
1974                 fprintf(stdout, ".");
1975                 fflush(stdout);
1976                 sleep(1);
1977             }
1978         }
1979         /* or drop through */
1980     }
1981 #ifdef notdef
1982     /* This is tricky.  File server is very stupid, and if you mark the volume
1983      * as VTOutOfService, it may mark the *good* instance (if you're moving
1984      * between partitions on the same machine) as out of service.  Since
1985      * we're cleaning this code up in DEcorum, we're just going to kludge around
1986      * it for now by removing this call. */
1987     /* already out of service, just zap it now */
1988     code =
1989         AFSVolSetFlags(fromconn, fromtid, VTDeleteOnSalvage | VTOutOfService);
1990     if (code) {
1991         fprintf(STDERR,
1992                 "Failed to set the flags to make the old source volume offline\n");
1993         goto mfail;
1994     }
1995 #endif
1996     if (atoserver != afromserver) {
1997         /* set forwarding pointer for moved volumes */
1998         VPRINT1("Setting forwarding pointer for volume %u ...", afromvol);
1999         code = AFSVolSetForwarding(fromconn, fromtid, atoserver);
2000         EGOTO1(mfail, code,
2001                "Failed to set the forwarding pointer for the volume %u\n",
2002                afromvol);
2003         VDONE;
2004     }
2005
2006     VPRINT1("Deleting old volume %u on source ...", afromvol);
2007     code = AFSVolDeleteVolume(fromconn, fromtid);       /* zap original volume */
2008     EGOTO1(mfail, code, "Failed to delete the old volume %u on source\n",
2009            afromvol);
2010     VDONE;
2011
2012     VPRINT1("Ending transaction on old volume %u on the source ...",
2013             afromvol);
2014     code = AFSVolEndTrans(fromconn, fromtid, &rcode);
2015     fromtid = 0;
2016     if (!code)
2017         code = rcode;
2018     EGOTO1(mfail, code,
2019            "Failed to end the transaction on the old volume %u on the source\n",
2020            afromvol);
2021     VDONE;
2022
2023     code = DoVolDelete(fromconn, backupId, afrompart,
2024                        "source backup", 0, NULL, NULL);
2025     if (code && code != VNOVOL) {
2026         error = code;
2027         goto mfail;
2028     }
2029
2030     code = 0;           /* no backup volume? that's okay */
2031
2032     fromtid = 0;
2033     if (!(flags & RV_NOCLONE)) {
2034         code = DoVolDelete(fromconn, newVol, afrompart,
2035                            "cloned", 0, NULL, NULL);
2036         if (code && code != VNOVOL) {
2037             error = code;
2038             goto mfail;
2039         }
2040
2041         code = 0;       /* clone missing? that's okay */
2042     }
2043
2044     /* fall through */
2045     /* END OF MOVE */
2046
2047     if (TESTC) {
2048         fprintf(STDOUT, "Fourth test point - operation complete.\n");
2049         fprintf(STDOUT, "...test here (y, n)? ");
2050         fflush(STDOUT);
2051         if (fscanf(stdin, "%c", &in) < 1)
2052             in = 0;
2053         if (fscanf(stdin, "%c", &lf) < 0) {     /* toss away */
2054             /* don't care */
2055         }
2056         if (in == 'y') {
2057             fprintf(STDOUT, "type control-c\n");
2058             while (1) {
2059                 fprintf(stdout, ".");
2060                 fflush(stdout);
2061                 sleep(1);
2062             }
2063         }
2064         /* or drop through */
2065     }
2066
2067     /* normal cleanup code */
2068
2069     if (entry.flags & VLF_ROEXISTS)
2070         fprintf(STDERR, "WARNING : readOnly copies still exist \n");
2071
2072     if (islocked) {
2073         VPRINT1("Cleanup: Releasing VLDB lock on volume %u ...", afromvol);
2074         vcode =
2075             ubik_VL_ReleaseLock(cstruct, 0, afromvol, -1,
2076                       (LOCKREL_OPCODE | LOCKREL_AFSID | LOCKREL_TIMESTAMP));
2077         if (vcode) {
2078             VPRINT("\n");
2079             fprintf(STDERR,
2080                     " Could not release the lock on the VLDB entry for the volume %lu \n",
2081                     (unsigned long)afromvol);
2082             if (!error)
2083                 error = vcode;
2084         }
2085         VDONE;
2086     }
2087
2088     if (fromtid) {
2089         VPRINT1("Cleanup: Ending transaction on source volume %u ...",
2090                 afromvol);
2091         code = AFSVolEndTrans(fromconn, fromtid, &rcode);
2092         if (code || rcode) {
2093             VPRINT("\n");
2094             fprintf(STDERR,
2095                     "Could not end transaction on the source volume %lu\n",
2096                     (unsigned long)afromvol);
2097             if (!error)
2098                 error = (code ? code : rcode);
2099         }
2100         VDONE;
2101     }
2102
2103     if (clonetid) {
2104         VPRINT1("Cleanup: Ending transaction on clone volume %u ...", newVol);
2105         code = AFSVolEndTrans(fromconn, clonetid, &rcode);
2106         if (code || rcode) {
2107             VPRINT("\n");
2108             fprintf(STDERR,
2109                     "Could not end transaction on the source's clone volume %lu\n",
2110                     (unsigned long)newVol);
2111             if (!error)
2112                 error = (code ? code : rcode);
2113         }
2114         VDONE;
2115     }
2116
2117     if (totid) {
2118         VPRINT1("Cleanup: Ending transaction on destination volume %u ...",
2119                 afromvol);
2120         code = AFSVolEndTrans(toconn, totid, &rcode);
2121         if (code) {
2122             VPRINT("\n");
2123             fprintf(STDERR,
2124                     "Could not end transaction on destination volume %lu\n",
2125                     (unsigned long)afromvol);
2126             if (!error)
2127                 error = (code ? code : rcode);
2128         }
2129         VDONE;
2130     }
2131     if (volName)
2132         free(volName);
2133 #ifdef  ENABLE_BUGFIX_1165
2134     if (infop)
2135         free(infop);
2136 #endif
2137     if (fromconn)
2138         rx_DestroyConnection(fromconn);
2139     if (toconn)
2140         rx_DestroyConnection(toconn);
2141     PrintError("", error);
2142     return error;
2143
2144     /* come here only when the sky falls */
2145   mfail:
2146
2147     if (pntg) {
2148         fprintf(STDOUT,
2149                 "vos move: operation interrupted, cleanup in progress...\n");
2150         fprintf(STDOUT, "clear transaction contexts\n");
2151         fflush(STDOUT);
2152     }
2153
2154     /* unlock VLDB entry */
2155     if (islocked) {
2156         VPRINT1("Recovery: Releasing VLDB lock on volume %u ...", afromvol);
2157         ubik_VL_ReleaseLock(cstruct, 0, afromvol, -1,
2158                   (LOCKREL_OPCODE | LOCKREL_AFSID | LOCKREL_TIMESTAMP));
2159         VDONE;
2160         islocked = 0;
2161     }
2162
2163     if (clonetid) {
2164         VPRINT("Recovery: Ending transaction on clone volume ...");
2165         AFSVolEndTrans(fromconn, clonetid, &rcode);
2166         VDONE;
2167     }
2168     if (totid) {
2169         VPRINT("Recovery: Ending transaction on destination volume ...");
2170         AFSVolEndTrans(toconn, totid, &rcode);
2171         VDONE;
2172     }
2173     if (fromtid) {              /* put it on-line */
2174         VPRINT("Recovery: Setting volume flags on source volume ...");
2175         AFSVolSetFlags(fromconn, fromtid, 0);
2176         VDONE;
2177
2178         VPRINT("Recovery: Ending transaction on source volume ...");
2179         AFSVolEndTrans(fromconn, fromtid, &rcode);
2180         VDONE;
2181     }
2182
2183     VPRINT("Recovery: Accessing VLDB.\n");
2184     vcode = VLDB_GetEntryByID(afromvol, -1, &entry);
2185     if (vcode) {
2186         fprintf(STDOUT, "FATAL: VLDB access error: abort cleanup\n");
2187         fflush(STDOUT);
2188         goto done;
2189     }
2190     MapHostToNetwork(&entry);
2191
2192     /* Delete either the volume on the source location or the target location.
2193      * If the vldb entry still points to the source location, then we know the
2194      * volume move didn't finish so we remove the volume from the target
2195      * location. Otherwise, we remove the volume from the source location.
2196      */
2197     if (Lp_Match(afromserver, afrompart, &entry)) {     /* didn't move - delete target volume */
2198         if (pntg) {
2199             fprintf(STDOUT,
2200                     "move incomplete - attempt cleanup of target partition - no guarantee\n");
2201             fflush(STDOUT);
2202         }
2203
2204         if (volid && toconn) {
2205             code = DoVolDelete(toconn, volid, atopart,
2206                                "destination", 0, NULL, "Recovery:");
2207             if (code == VNOVOL) {
2208                 EPRINT1(code, "Recovery: Failed to start transaction on %u\n", volid);
2209             }
2210         }
2211
2212         /* put source volume on-line */
2213         if (fromconn) {
2214             VPRINT1("Recovery: Creating transaction on source volume %u ...",
2215                     afromvol);
2216             tmp = fromtid;
2217             code =
2218                 AFSVolTransCreate_retry(fromconn, afromvol, afrompart, ITBusy,
2219                                   &tmp);
2220             fromtid = tmp;
2221             if (!code) {
2222                 VDONE;
2223
2224                 VPRINT1("Recovery: Setting flags on source volume %u ...",
2225                         afromvol);
2226                 AFSVolSetFlags(fromconn, fromtid, 0);
2227                 VDONE;
2228
2229                 VPRINT1
2230                     ("Recovery: Ending transaction on source volume %u ...",
2231                      afromvol);
2232                 AFSVolEndTrans(fromconn, fromtid, &rcode);
2233                 VDONE;
2234             } else {
2235                 VPRINT1
2236                     ("\nRecovery: Unable to start transaction on source volume %u.\n",
2237                      afromvol);
2238             }
2239         }
2240     } else {                    /* yep, move complete */
2241         if (pntg) {
2242             fprintf(STDOUT,
2243                     "move complete - attempt cleanup of source partition - no guarantee\n");
2244             fflush(STDOUT);
2245         }
2246
2247         /* delete backup volume */
2248         if (fromconn) {
2249             code = DoVolDelete(fromconn, backupId, afrompart,
2250                                "backup", 0, NULL, "Recovery:");
2251             if (code == VNOVOL) {
2252                 EPRINT1(code, "Recovery: Failed to start transaction on %u\n", backupId);
2253             }
2254
2255             code = DoVolDelete(fromconn, afromvol, afrompart, "source",
2256                                (atoserver != afromserver)?atoserver:0,
2257                         NULL, NULL);
2258             if (code == VNOVOL) {
2259                 EPRINT1(code, "Failed to start transaction on %u\n", afromvol);
2260             }
2261         }
2262     }
2263
2264     /* common cleanup - delete local clone */
2265     if (newVol) {
2266         code = DoVolDelete(fromconn, newVol, afrompart,
2267                            "clone", 0, NULL, "Recovery:");
2268         if (code == VNOVOL) {
2269             EPRINT1(code, "Recovery: Failed to start transaction on %u\n", newVol);
2270         }
2271     }
2272
2273     /* unlock VLDB entry */
2274     if (islocked) {
2275         VPRINT1("Recovery: Releasing lock on VLDB entry for volume %u ...",
2276                 afromvol);
2277         ubik_VL_ReleaseLock(cstruct, 0, afromvol, -1,
2278                             (LOCKREL_OPCODE | LOCKREL_AFSID | LOCKREL_TIMESTAMP));
2279         VDONE;
2280     }
2281   done:                 /* routine cleanup */
2282     if (volName)
2283         free(volName);
2284 #ifdef  ENABLE_BUGFIX_1165
2285     if (infop)
2286         free(infop);
2287 #endif
2288     if (fromconn)
2289         rx_DestroyConnection(fromconn);
2290     if (toconn)
2291         rx_DestroyConnection(toconn);
2292
2293     if (pntg) {
2294         fprintf(STDOUT, "cleanup complete - user verify desired result\n");
2295         fflush(STDOUT);
2296     }
2297     exit(1);
2298 }
2299
2300
2301 int
2302 UV_MoveVolume(afs_uint32 afromvol, afs_uint32 afromserver, afs_int32 afrompart,
2303               afs_uint32 atoserver, afs_int32 atopart)
2304 {
2305     return UV_MoveVolume2(afromvol, afromserver, afrompart,
2306                           atoserver, atopart, 0);
2307 }
2308
2309
2310 /* Copy volume <afromvol> from <afromserver> <afrompart> to <atoserver>
2311  * <atopart>.  The new volume is named by <atovolname>.  The new volume
2312  * has ID <atovolid> if that is nonzero; otherwise a new ID is allocated
2313  * from the VLDB.  the following flags are supported:
2314  *
2315  *     RV_RDONLY  - target volume is RO
2316  *     RV_OFFLINE - leave target volume offline
2317  *     RV_CPINCR  - do incremental dump if target exists
2318  *     RV_NOVLDB  - don't create/update VLDB entry
2319  *     RV_NOCLONE - don't use a copy clone
2320  */
2321 int
2322 UV_CopyVolume2(afs_uint32 afromvol, afs_uint32 afromserver, afs_int32 afrompart,
2323                char *atovolname, afs_uint32 atoserver, afs_int32 atopart,
2324                afs_uint32 atovolid, int flags)
2325 {
2326     /* declare stuff 'volatile' that may be used from setjmp/longjmp and may
2327      * be changing during the copy */
2328     int volatile pntg;
2329     afs_int32 volatile clonetid;
2330     afs_int32 volatile totid;
2331     afs_int32 volatile fromtid;
2332     struct rx_connection * volatile fromconn;
2333     struct rx_connection * volatile toconn;
2334     afs_uint32 volatile cloneVol;
2335
2336     char vname[64];
2337     afs_int32 rcode;
2338     afs_int32 fromDate, cloneFromDate;
2339     struct restoreCookie cookie;
2340     afs_int32 vcode, code;
2341     afs_uint32 newVol;
2342     afs_int32 volflag;
2343     struct volser_status tstatus;
2344     struct destServer destination;
2345     struct nvldbentry entry, newentry, storeEntry;
2346     afs_int32 error;
2347     afs_int32 tmp;
2348     afs_uint32 tmpVol;
2349
2350     fromconn = (struct rx_connection *)0;
2351     toconn = (struct rx_connection *)0;
2352     fromtid = 0;
2353     totid = 0;
2354     clonetid = 0;
2355     error = 0;
2356     pntg = 0;
2357     newVol = 0;
2358
2359     /* support control-c processing */
2360     if (setjmp(env))
2361         goto mfail;
2362     (void)signal(SIGINT, sigint_handler);
2363
2364     vcode = VLDB_GetEntryByID(afromvol, -1, &entry);
2365     EGOTO1(mfail, vcode,
2366            "Could not fetch the entry for the volume  %u from the VLDB \n",
2367            afromvol);
2368     MapHostToNetwork(&entry);
2369
2370     pntg = 1;
2371     toconn = UV_Bind(atoserver, AFSCONF_VOLUMEPORT);    /* get connections to the servers */
2372     fromconn = UV_Bind(afromserver, AFSCONF_VOLUMEPORT);
2373     fromtid = totid = 0;        /* initialize to uncreated */
2374
2375     /* ***
2376      * clone the read/write volume locally.
2377      * ***/
2378
2379     cloneVol = 0;
2380     if (!(flags & RV_NOCLONE)) {
2381         VPRINT1("Starting transaction on source volume %u ...", afromvol);
2382         tmp = fromtid;
2383         code = AFSVolTransCreate_retry(fromconn, afromvol, afrompart, ITBusy,
2384                                  &tmp);
2385         fromtid = tmp;
2386         EGOTO1(mfail, code, "Failed to create transaction on the volume %u\n",
2387                afromvol);
2388         VDONE;
2389
2390         /* Get a clone id */
2391         VPRINT1("Allocating new volume id for clone of volume %u ...",
2392                 afromvol);
2393         cloneVol = 0;
2394         tmpVol = cloneVol;
2395         vcode = ubik_VL_GetNewVolumeId(cstruct, 0, 1, &tmpVol);
2396         cloneVol = tmpVol;
2397         EGOTO1(mfail, vcode,
2398            "Could not get an ID for the clone of volume %u from the VLDB\n",
2399            afromvol);
2400         VDONE;
2401     }
2402
2403     if (atovolid) {
2404         newVol = atovolid;
2405     } else {
2406         /* Get a new volume id */
2407         VPRINT1("Allocating new volume id for copy of volume %u ...", afromvol);
2408         newVol = 0;
2409         vcode = ubik_VL_GetNewVolumeId(cstruct, 0, 1, &newVol);
2410         EGOTO1(mfail, vcode,
2411                "Could not get an ID for the copy of volume %u from the VLDB\n",
2412                afromvol);
2413         VDONE;
2414     }
2415
2416     if (!(flags & RV_NOCLONE)) {
2417         /* Do the clone. Default flags on clone are set to delete on salvage and out of service */
2418         VPRINT1("Cloning source volume %u ...", afromvol);
2419         strcpy(vname, "copy-clone-temp");
2420         tmpVol = cloneVol;
2421         code =
2422             AFSVolClone(fromconn, fromtid, 0, readonlyVolume, vname,
2423                         &tmpVol);
2424         cloneVol = tmpVol;
2425         EGOTO1(mfail, code, "Failed to clone the source volume %u\n",
2426                afromvol);
2427         VDONE;
2428
2429         VPRINT1("Ending the transaction on the source volume %u ...", afromvol);
2430         rcode = 0;
2431         code = AFSVolEndTrans(fromconn, fromtid, &rcode);
2432         fromtid = 0;
2433         if (!code)
2434             code = rcode;
2435         EGOTO1(mfail, code,
2436                "Failed to end the transaction on the source volume %u\n",
2437                afromvol);
2438         VDONE;
2439     }
2440
2441     /* ***
2442      * Create the destination volume
2443      * ***/
2444
2445     if (!(flags & RV_NOCLONE)) {
2446         VPRINT1("Starting transaction on the cloned volume %u ...", cloneVol);
2447         tmp = clonetid;
2448         code =
2449             AFSVolTransCreate_retry(fromconn, cloneVol, afrompart, ITOffline,
2450                           &tmp);
2451         clonetid = tmp;
2452         EGOTO1(mfail, code,
2453                "Failed to start a transaction on the cloned volume%u\n",
2454                cloneVol);
2455         VDONE;
2456
2457         VPRINT1("Setting flags on cloned volume %u ...", cloneVol);
2458         code =
2459             AFSVolSetFlags(fromconn, clonetid,
2460                            VTDeleteOnSalvage | VTOutOfService); /*redundant */
2461         EGOTO1(mfail, code, "Could not set flags on the cloned volume %u\n",
2462                cloneVol);
2463         VDONE;
2464
2465         /* remember time from which we've dumped the volume */
2466         VPRINT1("Getting status of cloned volume %u ...", cloneVol);
2467         code = AFSVolGetStatus(fromconn, clonetid, &tstatus);
2468         EGOTO1(mfail, code,
2469                "Failed to get the status of the cloned volume %u\n",
2470                cloneVol);
2471         VDONE;
2472
2473         fromDate = CLOCKADJ(tstatus.creationDate);
2474     } else {
2475         fromDate = 0;
2476     }
2477
2478     /* create a volume on the target machine */
2479     cloneFromDate = 0;
2480     tmp = totid;
2481     code = AFSVolTransCreate_retry(toconn, newVol, atopart, ITOffline, &tmp);
2482     totid = tmp;
2483     if (!code) {
2484         if ((flags & RV_CPINCR)) {
2485             VPRINT1("Getting status of pre-existing volume %u ...", newVol);
2486             code = AFSVolGetStatus(toconn, totid, &tstatus);
2487             EGOTO1(mfail, code,
2488                    "Failed to get the status of the pre-existing volume %u\n",
2489                    newVol);
2490             VDONE;
2491
2492             /* Using the update date should be OK here, but add some fudge */
2493             cloneFromDate = CLOCKADJ(tstatus.updateDate);
2494             if ((flags & RV_NOCLONE))
2495                 fromDate = cloneFromDate;
2496
2497             /* XXX We should check that the source volume's creationDate is
2498              * XXX not newer than the existing target volume, and if not,
2499              * XXX throw away the existing target and do a full dump. */
2500
2501             goto cpincr;
2502         }
2503
2504         /* Delete the existing volume.
2505          * While we are deleting the volume in these steps, the transaction
2506          * we started against the cloned volume (clonetid above) will be
2507          * sitting idle. It will get cleaned up after 600 seconds
2508          */
2509         VPRINT1("Deleting pre-existing volume %u on destination ...", newVol);
2510         code = AFSVolDeleteVolume(toconn, totid);
2511         EGOTO1(mfail, code,
2512                "Could not delete the pre-existing volume %u on destination\n",
2513                newVol);
2514         VDONE;
2515
2516         VPRINT1
2517             ("Ending transaction on pre-existing volume %u on destination ...",
2518              newVol);
2519         code = AFSVolEndTrans(toconn, totid, &rcode);
2520         totid = 0;
2521         if (!code)
2522             code = rcode;
2523         EGOTO1(mfail, code,
2524                "Could not end the transaction on pre-existing volume %u on destination\n",
2525                newVol);
2526         VDONE;
2527     }
2528
2529     VPRINT1("Creating the destination volume %u ...", newVol);
2530     tmp = totid;
2531     code =
2532         AFSVolCreateVolume(toconn, atopart, atovolname,
2533                            (flags & RV_RDONLY) ? volser_RO : volser_RW,
2534                            newVol, &newVol, &tmp);
2535     totid = tmp;
2536     EGOTO1(mfail, code, "Failed to create the destination volume %u\n",
2537            newVol);
2538     VDONE;
2539
2540     VPRINT1("Setting volume flags on destination volume %u ...", newVol);
2541     code =
2542         AFSVolSetFlags(toconn, totid, (VTDeleteOnSalvage | VTOutOfService));
2543     EGOTO1(mfail, code,
2544            "Failed to set the flags on the destination volume %u\n", newVol);
2545     VDONE;
2546
2547 cpincr:
2548
2549     destination.destHost = ntohl(atoserver);
2550     destination.destPort = AFSCONF_VOLUMEPORT;
2551     destination.destSSID = 1;
2552
2553     strncpy(cookie.name, atovolname, VOLSER_OLDMAXVOLNAME);
2554     cookie.type = (flags & RV_RDONLY) ? ROVOL : RWVOL;
2555     cookie.parent = 0;
2556     cookie.clone = 0;
2557
2558     /***
2559      * Now dump the clone to the new volume
2560      ***/
2561
2562     if (!(flags & RV_NOCLONE)) {
2563         /* XXX probably should have some code here that checks to see if
2564          * XXX we are copying to same server and partition - if so, just
2565          * XXX use a clone to save disk space */
2566
2567         /* Copy the clone to the new volume */
2568         VPRINT2("Dumping from clone %u on source to volume %u on destination ...",
2569             cloneVol, newVol);
2570         code =
2571             AFSVolForward(fromconn, clonetid, cloneFromDate, &destination,
2572                           totid, &cookie);
2573         EGOTO1(mfail, code, "Failed to move data for the volume %u\n",
2574                newVol);
2575         VDONE;
2576
2577         VPRINT1("Ending transaction on cloned volume %u ...", cloneVol);
2578         code = AFSVolEndTrans(fromconn, clonetid, &rcode);
2579         if (!code)
2580             code = rcode;
2581         clonetid = 0;
2582         EGOTO1(mfail, code,
2583                "Failed to end the transaction on the cloned volume %u\n",
2584                cloneVol);
2585         VDONE;
2586     }
2587
2588     /* ***
2589      * reattach to the main-line volume, and incrementally dump it.
2590      * ***/
2591
2592     VPRINT1("Starting transaction on source volume %u ...", afromvol);
2593     tmp = fromtid;
2594     code = AFSVolTransCreate_retry(fromconn, afromvol, afrompart, ITBusy, &tmp);
2595     fromtid = tmp;
2596     EGOTO1(mfail, code,
2597            "Failed to create a transaction on the source volume %u\n",
2598            afromvol);
2599     VDONE;
2600
2601     /* now do the incremental */
2602     VPRINT2
2603         ("Doing the%s dump from source to destination for volume %u ... ",
2604          (flags & RV_NOCLONE) ? "" : " incremental",
2605          afromvol);
2606     code =
2607         AFSVolForward(fromconn, fromtid, fromDate, &destination, totid,
2608                       &cookie);
2609     EGOTO1(mfail, code,
2610            "Failed to do the%s dump from old site to new site\n",
2611            (flags & RV_NOCLONE) ? "" : " incremental");
2612     VDONE;
2613
2614     VPRINT1("Setting volume flags on destination volume %u ...", newVol);
2615     volflag = ((flags & RV_OFFLINE) ? VTOutOfService : 0);      /* off or on-line */
2616     code = AFSVolSetFlags(toconn, totid, volflag);
2617     EGOTO(mfail, code,
2618           "Failed to set the flags to make destination volume online\n");
2619     VDONE;
2620
2621     /* put new volume online */
2622     VPRINT1("Ending transaction on destination volume %u ...", newVol);
2623     code = AFSVolEndTrans(toconn, totid, &rcode);
2624     totid = 0;
2625     if (!code)
2626         code = rcode;
2627     EGOTO1(mfail, code,
2628            "Failed to end the transaction on the destination volume %u\n",
2629            newVol);
2630     VDONE;
2631
2632     VPRINT1("Ending transaction on source volume %u ...", afromvol);
2633     code = AFSVolEndTrans(fromconn, fromtid, &rcode);
2634     fromtid = 0;
2635     if (!code)
2636         code = rcode;
2637     EGOTO1(mfail, code,
2638            "Failed to end the transaction on the source volume %u\n",
2639            afromvol);
2640     VDONE;
2641
2642     fromtid = 0;
2643
2644     if (!(flags & RV_NOCLONE)) {
2645         code = DoVolDelete(fromconn, cloneVol, afrompart,
2646                            "cloned", 0, NULL, NULL);
2647         if (code && code != VNOVOL) {
2648             error = code;
2649             goto mfail;
2650         }
2651
2652         code = 0;               /* clone missing? that's ok */
2653     }
2654
2655     if (!(flags & RV_NOVLDB)) {
2656         /* create the vldb entry for the copied volume */
2657         strncpy(newentry.name, atovolname, VOLSER_OLDMAXVOLNAME);
2658         newentry.nServers = 1;
2659         newentry.serverNumber[0] = atoserver;
2660         newentry.serverPartition[0] = atopart;
2661         newentry.flags = (flags & RV_RDONLY) ? VLF_ROEXISTS : VLF_RWEXISTS;
2662         newentry.serverFlags[0] = (flags & RV_RDONLY) ? VLSF_ROVOL : VLSF_RWVOL;
2663         newentry.volumeId[RWVOL] = newVol;
2664         newentry.volumeId[ROVOL] = (flags & RV_RDONLY) ? newVol : 0;
2665         newentry.volumeId[BACKVOL] = 0;
2666         newentry.cloneId = 0;
2667         /*map into right byte order, before passing to xdr, the stuff has to be in host
2668          * byte order. Xdr converts it into network order */
2669         MapNetworkToHost(&newentry, &storeEntry);
2670         /* create the vldb entry */
2671         vcode = VLDB_CreateEntry(&storeEntry);
2672         if (vcode) {
2673             fprintf(STDERR,
2674                     "Could not create a VLDB entry for the volume %s %lu\n",
2675                     atovolname, (unsigned long)newVol);
2676             /*destroy the created volume */
2677             VPRINT1("Deleting the newly created volume %u\n", newVol);
2678             AFSVolDeleteVolume(toconn, totid);
2679             error = vcode;
2680             goto mfail;
2681         }
2682         VPRINT2("Created the VLDB entry for the volume %s %u\n", atovolname,
2683                 newVol);
2684     }
2685
2686     /* normal cleanup code */
2687
2688     if (fromtid) {
2689         VPRINT1("Cleanup: Ending transaction on source volume %u ...",
2690                 afromvol);
2691         code = AFSVolEndTrans(fromconn, fromtid, &rcode);
2692         if (code || rcode) {
2693             VPRINT("\n");
2694             fprintf(STDERR,
2695                     "Could not end transaction on the source volume %lu\n",
2696                     (unsigned long)afromvol);
2697             if (!error)
2698                 error = (code ? code : rcode);
2699         }
2700         VDONE;
2701     }
2702
2703     if (clonetid) {
2704         VPRINT1("Cleanup: Ending transaction on clone volume %u ...",
2705                 cloneVol);
2706         code = AFSVolEndTrans(fromconn, clonetid, &rcode);
2707         if (code || rcode) {
2708             VPRINT("\n");
2709             fprintf(STDERR,
2710                     "Could not end transaction on the source's clone volume %lu\n",
2711                     (unsigned long)cloneVol);
2712             if (!error)
2713                 error = (code ? code : rcode);
2714         }
2715         VDONE;
2716     }
2717
2718     if (totid) {
2719         VPRINT1("Cleanup: Ending transaction on destination volume %u ...",
2720                 newVol);
2721         code = AFSVolEndTrans(toconn, totid, &rcode);
2722         if (code) {
2723             VPRINT("\n");
2724             fprintf(STDERR,
2725                     "Could not end transaction on destination volume %lu\n",
2726                     (unsigned long)newVol);
2727             if (!error)
2728                 error = (code ? code : rcode);
2729         }
2730         VDONE;
2731     }
2732     if (fromconn)
2733         rx_DestroyConnection(fromconn);
2734     if (toconn)
2735         rx_DestroyConnection(toconn);
2736     PrintError("", error);
2737     return error;
2738
2739     /* come here only when the sky falls */
2740   mfail:
2741
2742     if (pntg) {
2743         fprintf(STDOUT,
2744                 "vos copy: operation interrupted, cleanup in progress...\n");
2745         fprintf(STDOUT, "clear transaction contexts\n");
2746         fflush(STDOUT);
2747     }
2748
2749     if (clonetid) {
2750         VPRINT("Recovery: Ending transaction on clone volume ...");
2751         AFSVolEndTrans(fromconn, clonetid, &rcode);
2752         VDONE;
2753     }
2754     if (totid) {
2755         VPRINT("Recovery: Ending transaction on destination volume ...");
2756         AFSVolEndTrans(toconn, totid, &rcode);
2757         VDONE;
2758     }
2759     if (fromtid) {              /* put it on-line */
2760         VPRINT("Recovery: Ending transaction on source volume ...");
2761         AFSVolEndTrans(fromconn, fromtid, &rcode);
2762         VDONE;
2763     }
2764
2765     VPRINT("Recovery: Accessing VLDB.\n");
2766     vcode = VLDB_GetEntryByID(afromvol, -1, &entry);
2767     if (vcode) {
2768         fprintf(STDOUT, "FATAL: VLDB access error: abort cleanup\n");
2769         fflush(STDOUT);
2770         goto done;
2771     }
2772     MapHostToNetwork(&entry);
2773
2774     /* common cleanup - delete local clone */
2775     if (cloneVol) {
2776         DoVolDelete(fromconn, cloneVol, afrompart, "clone", 0, NULL,
2777                     "Recovery:");
2778     }
2779
2780   done:                 /* routine cleanup */
2781     if (fromconn)
2782         rx_DestroyConnection(fromconn);
2783     if (toconn)
2784         rx_DestroyConnection(toconn);
2785
2786     if (pntg) {
2787         fprintf(STDOUT, "cleanup complete - user verify desired result\n");
2788         fflush(STDOUT);
2789     }
2790     exit(1);
2791 }
2792
2793
2794 int
2795 UV_CopyVolume(afs_uint32 afromvol, afs_uint32 afromserver, afs_int32 afrompart,
2796               char *atovolname, afs_uint32 atoserver, afs_int32 atopart)
2797 {
2798     return UV_CopyVolume2(afromvol, afromserver, afrompart,
2799                           atovolname, atoserver, atopart, 0, 0);
2800 }
2801
2802
2803
2804 /* Make a new backup of volume <avolid> on <aserver> and <apart>
2805  * if one already exists, update it
2806  */
2807
2808 int
2809 UV_BackupVolume(afs_uint32 aserver, afs_int32 apart, afs_uint32 avolid)
2810 {
2811     struct rx_connection *aconn = (struct rx_connection *)0;
2812     afs_int32 ttid = 0, btid = 0;
2813     afs_uint32 backupID;
2814     afs_int32 code = 0, rcode = 0;
2815     struct nvldbentry entry, storeEntry;
2816     afs_int32 error = 0;
2817     int vldblocked = 0, vldbmod = 0;
2818
2819     aconn = UV_Bind(aserver, AFSCONF_VOLUMEPORT);
2820
2821     /* the calls to VLDB will succeed only if avolid is a RW volume,
2822      * since we are following the RW hash chain for searching */
2823     code = VLDB_GetEntryByID(avolid, RWVOL, &entry);
2824     if (code) {
2825         fprintf(STDERR,
2826                 "Could not fetch the entry for the volume %lu from the VLDB \n",
2827                 (unsigned long)avolid);
2828         error = code;
2829         goto bfail;
2830     }
2831     MapHostToNetwork(&entry);
2832
2833     /* These operations require the VLDB be locked since it means the VLDB
2834      * will change or the vldb is already locked.
2835      */
2836     if (!(entry.flags & VLF_BACKEXISTS) ||      /* backup volume doesnt exist */
2837         (entry.flags & VLOP_ALLOPERS) ||        /* vldb lock already held */
2838         (entry.volumeId[BACKVOL] == INVALID_BID)) {     /* no assigned backup volume id */
2839
2840         code = ubik_VL_SetLock(cstruct, 0, avolid, RWVOL, VLOP_BACKUP);
2841         if (code) {
2842             fprintf(STDERR,
2843                     "Could not lock the VLDB entry for the volume %lu\n",
2844                     (unsigned long)avolid);
2845             error = code;
2846             goto bfail;
2847         }
2848         vldblocked = 1;
2849
2850         /* Reread the vldb entry */
2851         code = VLDB_GetEntryByID(avolid, RWVOL, &entry);
2852         if (code) {
2853             fprintf(STDERR,
2854                     "Could not fetch the entry for the volume %lu from the VLDB \n",
2855                     (unsigned long)avolid);
2856             error = code;
2857             goto bfail;
2858         }
2859         MapHostToNetwork(&entry);
2860     }
2861
2862     if (!ISNAMEVALID(entry.name)) {
2863         fprintf(STDERR, "Name of the volume %s exceeds the size limit\n",
2864                 entry.name);
2865         error = VOLSERBADNAME;
2866         goto bfail;
2867     }
2868
2869     backupID = entry.volumeId[BACKVOL];
2870     if (backupID == INVALID_BID) {
2871         /* Get a backup volume id from the VLDB and update the vldb
2872          * entry with it.
2873          */
2874         code = ubik_VL_GetNewVolumeId(cstruct, 0, 1, &backupID);
2875         if (code) {
2876             fprintf(STDERR,
2877                     "Could not allocate ID for the backup volume of  %lu from the VLDB\n",
2878                     (unsigned long)avolid);
2879             error = code;
2880             goto bfail;
2881         }
2882         entry.volumeId[BACKVOL] = backupID;
2883         vldbmod = 1;
2884     }
2885
2886     code = DoVolClone(aconn, avolid, apart, backupVolume, backupID, "backup",
2887                       entry.name, NULL, ".backup", NULL, NULL);
2888     if (code) {
2889         error = code;
2890         goto bfail;
2891     }
2892
2893     /* Mark vldb as backup exists */
2894     if (!(entry.flags & VLF_BACKEXISTS)) {
2895         entry.flags |= VLF_BACKEXISTS;
2896         vldbmod = 1;
2897     }
2898
2899     /* Now go back to the backup volume and bring it on line */
2900     code = AFSVolTransCreate_retry(aconn, backupID, apart, ITOffline, &btid);
2901     if (code) {
2902         fprintf(STDERR,
2903                 "Failed to start a transaction on the backup volume %lu\n",
2904                 (unsigned long)backupID);
2905         error = code;
2906         goto bfail;
2907     }
2908
2909     code = AFSVolSetFlags(aconn, btid, 0);
2910     if (code) {
2911         fprintf(STDERR, "Could not mark the backup volume %lu on line \n",
2912                 (unsigned long)backupID);
2913         error = code;
2914         goto bfail;
2915     }
2916
2917     code = AFSVolEndTrans(aconn, btid, &rcode);
2918     btid = 0;
2919     if (code || rcode) {
2920         fprintf(STDERR,
2921                 "Failed to end the transaction on the backup volume %lu\n",
2922                 (unsigned long)backupID);
2923         error = (code ? code : rcode);
2924         goto bfail;
2925     }
2926
2927     /* Will update the vldb below */
2928
2929   bfail:
2930     if (ttid) {
2931         code = AFSVolEndTrans(aconn, ttid, &rcode);
2932         if (code || rcode) {
2933             fprintf(STDERR, "Could not end transaction on the volume %lu\n",
2934                     (unsigned long)avolid);
2935             if (!error)
2936                 error = (code ? code : rcode);
2937         }
2938     }
2939
2940     if (btid) {
2941         code = AFSVolEndTrans(aconn, btid, &rcode);
2942         if (code || rcode) {
2943             fprintf(STDERR,
2944                     "Could not end transaction the backup volume %lu\n",
2945                     (unsigned long)backupID);
2946             if (!error)
2947                 error = (code ? code : rcode);
2948         }
2949     }
2950
2951     /* Now update the vldb - if modified */
2952     if (vldblocked) {
2953         if (vldbmod) {
2954             MapNetworkToHost(&entry, &storeEntry);
2955             code =
2956                 VLDB_ReplaceEntry(avolid, RWVOL, &storeEntry,
2957                                   (LOCKREL_OPCODE | LOCKREL_AFSID |
2958                                    LOCKREL_TIMESTAMP));
2959             if (code) {
2960                 fprintf(STDERR,
2961                         "Could not update the VLDB entry for the volume %lu \n",
2962                         (unsigned long)avolid);
2963                 if (!error)
2964                     error = code;
2965             }
2966         } else {
2967             code =
2968                 ubik_VL_ReleaseLock(cstruct, 0, avolid, RWVOL,
2969                           (LOCKREL_OPCODE | LOCKREL_AFSID |
2970                            LOCKREL_TIMESTAMP));
2971             if (code) {
2972                 fprintf(STDERR,
2973                         "Could not unlock the VLDB entry for the volume %lu \n",
2974                         (unsigned long)avolid);
2975                 if (!error)
2976                     error = code;
2977             }
2978         }
2979     }
2980
2981     if (aconn)
2982         rx_DestroyConnection(aconn);
2983
2984     PrintError("", error);
2985     return error;
2986 }
2987
2988 /* Make a new clone of volume <avolid> on <aserver> and <apart>
2989  * using volume ID <acloneid>, or a new ID allocated from the VLDB.
2990  * The new volume is named by <aname>, or by appending ".clone" to
2991  * the existing name if <aname> is NULL.  The following flags are
2992  * supported:
2993  *
2994  *     RV_RDONLY  - target volume is RO
2995  *     RV_OFFLINE - leave target volume offline
2996  */
2997
2998 int
2999 UV_CloneVolume(afs_uint32 aserver, afs_int32 apart, afs_uint32 avolid,
3000                afs_uint32 acloneid, char *aname, int flags)
3001 {
3002     struct rx_connection *aconn = (struct rx_connection *)0;
3003     afs_int32 ttid = 0, btid = 0;
3004     afs_int32 code = 0, rcode = 0;
3005     char vname[VOLSER_MAXVOLNAME + 1];
3006     afs_int32 error = 0;
3007     volEntries volumeInfo;
3008     int type = 0;
3009
3010     aconn = UV_Bind(aserver, AFSCONF_VOLUMEPORT);
3011
3012     if (!aname) {
3013         volumeInfo.volEntries_val = (volintInfo *) 0;
3014         volumeInfo.volEntries_len = 0;
3015         code = AFSVolListOneVolume(aconn, apart, avolid, &volumeInfo);
3016         if (code) {
3017             fprintf(stderr, "Could not get info for volume %lu\n",
3018                     (unsigned long)avolid);
3019             error = code;
3020             goto bfail;
3021         }
3022         strncpy(vname, volumeInfo.volEntries_val[0].name,
3023                 VOLSER_OLDMAXVOLNAME - 7);
3024         vname[VOLSER_OLDMAXVOLNAME - 7] = 0;
3025         strcat(vname, ".clone");
3026         aname = vname;
3027         if (volumeInfo.volEntries_val)
3028             free(volumeInfo.volEntries_val);
3029     }
3030
3031     if (!acloneid) {
3032         /* Get a clone id */
3033         VPRINT1("Allocating new volume id for clone of volume %u ...",
3034                 avolid);
3035         code = ubik_VL_GetNewVolumeId(cstruct, 0, 1, &acloneid);
3036         EGOTO1(bfail, code,
3037            "Could not get an ID for the clone of volume %u from the VLDB\n",
3038            avolid);
3039         VDONE;
3040     }
3041
3042     if (flags & RV_RWONLY)
3043         type = readwriteVolume;
3044     else if (flags & RV_RDONLY)
3045         type = readonlyVolume;
3046     else
3047         type = backupVolume;
3048
3049     code = DoVolClone(aconn, avolid, apart, type, acloneid, "clone",
3050                       NULL, aname, NULL, NULL, NULL);
3051     if (code) {
3052         error = code;
3053         goto bfail;
3054     }
3055
3056     /* Now go back to the backup volume and bring it on line */
3057     if (!(flags & RV_OFFLINE)) {
3058         code = AFSVolTransCreate_retry(aconn, acloneid, apart, ITOffline, &btid);
3059         if (code) {
3060             fprintf(STDERR,
3061                     "Failed to start a transaction on the clone volume %lu\n",
3062                     (unsigned long)acloneid);
3063             error = code;
3064             goto bfail;
3065         }
3066
3067         code = AFSVolSetFlags(aconn, btid, 0);
3068         if (code) {
3069             fprintf(STDERR, "Could not mark the clone volume %lu on line \n",
3070                     (unsigned long)acloneid);
3071             error = code;
3072             goto bfail;
3073         }
3074
3075         code = AFSVolEndTrans(aconn, btid, &rcode);
3076         btid = 0;
3077         if (code || rcode) {
3078             fprintf(STDERR,
3079                     "Failed to end the transaction on the clone volume %lu\n",
3080                     (unsigned long)acloneid);
3081             error = (code ? code : rcode);
3082             goto bfail;
3083         }
3084     }
3085
3086   bfail:
3087     if (ttid) {
3088         code = AFSVolEndTrans(aconn, ttid, &rcode);
3089         if (code || rcode) {
3090             fprintf(STDERR, "Could not end transaction on the volume %lu\n",
3091                     (unsigned long)avolid);
3092             if (!error)
3093                 error = (code ? code : rcode);
3094         }
3095     }
3096
3097     if (btid) {
3098         code = AFSVolEndTrans(aconn, btid, &rcode);
3099         if (code || rcode) {
3100             fprintf(STDERR,
3101                     "Could not end transaction on the clone volume %lu\n",
3102                     (unsigned long)acloneid);
3103             if (!error)
3104                 error = (code ? code : rcode);
3105         }
3106     }
3107
3108     if (aconn)
3109         rx_DestroyConnection(aconn);
3110
3111     PrintError("", error);
3112     return error;
3113 }
3114
3115 #define ONERROR(ec, ep, es) do { \
3116     if (ec) { \
3117         fprintf(STDERR, (es), (ep)); \
3118         error = (ec); \
3119         goto rfail; \
3120     } \
3121 } while (0)
3122 #define ONERROR0(ec, es) do { \
3123     if (ec) { \
3124         fprintf(STDERR, (es)); \
3125         error = (ec); \
3126         goto rfail; \
3127     } \
3128 } while (0)
3129 #define ERROREXIT(ec) do { \
3130     error = (ec); \
3131     goto rfail; \
3132 } while (0)
3133
3134 /* Get a "transaction" on this replica.  Create the volume
3135  * if necessary.  Return the time from which a dump should
3136  * be made (0 if it's a new volume)
3137  */
3138 static int
3139 GetTrans(struct nvldbentry *vldbEntryPtr, afs_int32 index,
3140          struct rx_connection **connPtr, afs_int32 * transPtr,
3141          afs_uint32 * crtimePtr, afs_uint32 * uptimePtr,
3142          afs_int32 *origflags, afs_uint32 tmpVolId)
3143 {
3144     afs_uint32 volid;
3145     struct volser_status tstatus;
3146     int code = 0;
3147     int rcode, tcode;
3148     char hoststr[16];
3149
3150     *connPtr = (struct rx_connection *)0;
3151     *transPtr = 0;
3152     *crtimePtr = 0;
3153     *uptimePtr = 0;
3154
3155     /* get connection to the replication site */
3156     *connPtr = UV_Bind(vldbEntryPtr->serverNumber[index], AFSCONF_VOLUMEPORT);
3157     if (!*connPtr)
3158         goto fail;              /* server is down */
3159
3160     volid = vldbEntryPtr->volumeId[ROVOL];
3161
3162     if (volid) {
3163         code =
3164             AFSVolTransCreate_retry(*connPtr, volid,
3165                               vldbEntryPtr->serverPartition[index], ITOffline,
3166                               transPtr);
3167
3168         if (!code && (origflags[index] & VLSF_DONTUSE)) {
3169             /* If RO_DONTUSE is set, this is supposed to be an entirely new
3170              * site. Don't trust any data on it, since it is possible we
3171              * have encountered some temporary volume from some other
3172              * incomplete volume operation. It is difficult to detect if
3173              * that has happened vs if this is a legit volume, so just
3174              * delete it to be safe. */
3175
3176             VPRINT1("Deleting extant RO_DONTUSE site on %s...",
3177                     noresolve ? afs_inet_ntoa_r(vldbEntryPtr->
3178                                                 serverNumber[index], hoststr) :
3179                     hostutil_GetNameByINet(vldbEntryPtr->
3180                                            serverNumber[index]));
3181
3182             code = AFSVolDeleteVolume(*connPtr, *transPtr);
3183             if (code) {
3184                 PrintError("Failed to delete RO_DONTUSE site: ", code);
3185                 goto fail;
3186             }
3187
3188             tcode = AFSVolEndTrans(*connPtr, *transPtr, &rcode);
3189             *transPtr = 0;
3190             if (!tcode) {
3191                 tcode = rcode;
3192             }
3193             if (tcode) {
3194                 PrintError("Failed to end transaction on RO_DONTUSE site: ",
3195                            tcode);
3196                 goto fail;
3197             }
3198
3199             VDONE;
3200
3201             /* emulate what TransCreate would have returned, so we try to
3202              * create the volume below */
3203             code = VNOVOL;
3204         }
3205     }
3206
3207     /* If the volume does not exist, create it */
3208     if (!volid || code) {
3209         char volname[VL_MAXNAMELEN];
3210         char hoststr[16];
3211
3212         if (volid && (code != VNOVOL)) {
3213             PrintError("Failed to start a transaction on the RO volume.\n",
3214                        code);
3215             goto fail;
3216         }
3217
3218         strlcpy(volname, vldbEntryPtr->name, sizeof(volname));
3219
3220         if (strlcat(volname,
3221                     tmpVolId?".roclone":".readonly",
3222                     sizeof(volname)) >= sizeof(volname)) {
3223             code = ENOMEM;
3224             PrintError("Volume name is too long\n", code);
3225             goto fail;
3226         }
3227
3228         if (verbose) {
3229             fprintf(STDOUT,
3230                     "Creating new volume %lu on replication site %s: ",
3231                     tmpVolId?(unsigned long)tmpVolId:(unsigned long)volid,
3232                     noresolve ? afs_inet_ntoa_r(vldbEntryPtr->
3233                                                 serverNumber[index], hoststr) :
3234                     hostutil_GetNameByINet(vldbEntryPtr->
3235                                            serverNumber[index]));
3236             fflush(STDOUT);
3237         }
3238
3239         code =
3240           AFSVolCreateVolume(*connPtr, vldbEntryPtr->serverPartition[index],
3241                              volname, volser_RO,
3242                              vldbEntryPtr->volumeId[RWVOL],
3243                              tmpVolId?&tmpVolId:&volid,
3244                              transPtr);
3245         if (code) {
3246             PrintError("Failed to create the ro volume: ", code);
3247             goto fail;
3248         }
3249         vldbEntryPtr->volumeId[ROVOL] = volid;
3250
3251         VDONE;
3252
3253         /* The following is a bit redundant, since create sets these flags by default */
3254         code =
3255             AFSVolSetFlags(*connPtr, *transPtr,
3256                            VTDeleteOnSalvage | VTOutOfService);
3257         if (code) {
3258             PrintError("Failed to set flags on the ro volume: ", code);
3259             goto fail;
3260         }
3261     }
3262
3263     /* Otherwise, the transaction did succeed, so get the creation date of the
3264      * latest RO volume on the replication site
3265      */
3266     else {
3267         VPRINT2("Updating existing ro volume %u on %s ...\n", volid,
3268                 noresolve ? afs_inet_ntoa_r(vldbEntryPtr->
3269                                             serverNumber[index], hoststr) :
3270                 hostutil_GetNameByINet(vldbEntryPtr->serverNumber[index]));
3271
3272         code = AFSVolGetStatus(*connPtr, *transPtr, &tstatus);
3273         if (code) {
3274             PrintError("Failed to get status of volume on destination: ",
3275                        code);
3276             goto fail;
3277         }
3278         if (tmpVolId) {
3279             code = AFSVolEndTrans(*connPtr, *transPtr, &rcode);
3280             *transPtr = 0;
3281             if (!code)
3282                 code = rcode;
3283             if (!code)
3284                 code = DoVolClone(*connPtr, volid,
3285                                   vldbEntryPtr->serverPartition[index],
3286                                   readonlyVolume, tmpVolId, "temporary",
3287                                   vldbEntryPtr->name, NULL, ".roclone", NULL,
3288                                   transPtr);
3289             if (code)
3290                 goto fail;
3291         }
3292         *crtimePtr = CLOCKADJ(tstatus.creationDate);
3293         *uptimePtr = CLOCKADJ(tstatus.updateDate);
3294     }
3295
3296     return 0;
3297
3298   fail:
3299     if (*transPtr) {
3300         tcode = AFSVolEndTrans(*connPtr, *transPtr, &rcode);
3301         *transPtr = 0;
3302         if (!tcode)
3303             tcode = rcode;
3304         if (tcode && tcode != ENOENT)
3305             PrintError("Could not end transaction on a ro volume: ", tcode);
3306     }
3307
3308     return code;
3309 }
3310
3311 static int
3312 SimulateForwardMultiple(struct rx_connection *fromconn, afs_int32 fromtid,
3313                         afs_int32 fromdate, manyDests * tr, afs_int32 flags,
3314                         void *cookie, manyResults * results)
3315 {
3316     unsigned int i;
3317
3318     for (i = 0; i < tr->manyDests_len; i++) {
3319         results->manyResults_val[i] =
3320             AFSVolForward(fromconn, fromtid, fromdate,
3321                           &(tr->manyDests_val[i].server),
3322                           tr->manyDests_val[i].trans, cookie);
3323     }
3324     return 0;
3325 }
3326
3327 /**
3328  * Check if a trans has timed out, and recreate it if necessary.
3329  *
3330  * @param[in] aconn  RX connection to the relevant server
3331  * @param[inout] atid  Transaction ID to check; if we recreated the trans,
3332  *                     contains the new trans ID on success
3333  * @param[in] apart  Partition for the transaction
3334  * @param[in] astat  The status of the original transaction
3335  *
3336  * @return operation status
3337  *  @retval 0 existing transaction is still valid, or we managed to recreate
3338  *            the trans successfully
3339  *  @retval nonzero Fatal error; bail out
3340  */
3341 static int
3342 CheckTrans(struct rx_connection *aconn, afs_int32 *atid, afs_int32 apart,
3343            struct volser_status *astat)
3344 {
3345     struct volser_status new_status;
3346     afs_int32 code;
3347
3348     memset(&new_status, 0, sizeof(new_status));
3349     code = AFSVolGetStatus(aconn, *atid, &new_status);
3350     if (code) {
3351         if (code == ENOENT) {
3352             *atid = 0;
3353             VPRINT1("Old transaction on cloned volume %lu timed out, "
3354                     "restarting transaction\n", (long unsigned) astat->volID);
3355             code = AFSVolTransCreate_retry(aconn, astat->volID, apart,
3356                                            ITBusy, atid);
3357             if (code) {
3358                 PrintError("Failed to recreate cloned RO volume transaction\n",
3359                            code);
3360                 return 1;
3361             }
3362
3363             memset(&new_status, 0, sizeof(new_status));
3364             code = AFSVolGetStatus(aconn, *atid, &new_status);
3365             if (code) {
3366                 PrintError("Failed to get status on recreated transaction\n",
3367                            code);
3368                 return 1;
3369             }
3370
3371             if (memcmp(&new_status, astat, sizeof(new_status)) != 0) {
3372                 PrintError("Recreated transaction on cloned RO volume, but "
3373                            "the volume has changed!\n", 0);
3374                 return 1;
3375             }
3376         } else {
3377             PrintError("Unable to get status of current cloned RO transaction\n",
3378                        code);
3379             return 1;
3380         }
3381     } else {
3382         if (memcmp(&new_status, astat, sizeof(new_status)) != 0) {
3383             /* sanity check */
3384             PrintError("Internal error: current GetStatus does not match "
3385                        "original GetStatus?\n", 0);
3386             return 1;
3387         }
3388     }
3389
3390     return 0;
3391 }
3392
3393 static void
3394 PutTrans(afs_int32 *vldbindex, struct replica *replicas,
3395          struct rx_connection **toconns, struct release *times,
3396          afs_int32 volcount)
3397 {
3398     afs_int32 s, code = 0, rcode = 0;
3399     /* End the transactions and destroy the connections */
3400     for (s = 0; s < volcount; s++) {
3401         if (replicas[s].trans) {
3402             code = AFSVolEndTrans(toconns[s], replicas[s].trans, &rcode);
3403
3404             replicas[s].trans = 0;
3405             if (!code)
3406                 code = rcode;
3407             if (code) {
3408                 if ((s == 0) || (code != ENOENT)) {
3409                     PrintError("Could not end transaction on a ro volume: ",
3410                                code);
3411                 } else {
3412                     PrintError
3413                         ("Transaction timed out on a ro volume. Will retry.\n",
3414                          0);
3415                     if (times[s].vldbEntryIndex < *vldbindex)
3416                         *vldbindex = times[s].vldbEntryIndex;
3417                 }
3418             }
3419         }
3420         if (toconns[s])
3421             rx_DestroyConnection(toconns[s]);
3422         toconns[s] = 0;
3423     }
3424 }
3425
3426 /**
3427  * Release a volume to read-only sites
3428  *
3429  * Release volume <afromvol> on <afromserver> <afrompart> to all its RO
3430  * sites (complete release), unless the previous release was incomplete
3431  * or new sites were added without changes to the read-write volume, in
3432  * which case we bring the remaining volumes up to date with the volumes
3433  * that were previously released successfully.
3434  *
3435  * Will create a clone from the RW, then dump the clone out to
3436  * the remaining replicas. If there is more than 1 RO sites,
3437  * ensure that the VLDB says at least one RO is available all
3438  * the time: Influences when we write back the VLDB entry.
3439  *
3440  * @param[in] afromvol      volume to be released
3441  * @param[in] afromserver   server containing afromvol
3442  * @param[in] afrompart     partition containing afromvol
3443  * @param[in] flags         bitmap of options
3444  *                            REL_COMPLETE  - force a complete release
3445  *                            REL_FULLDUMPS - force full dumps
3446  */
3447 int
3448 UV_ReleaseVolume(afs_uint32 afromvol, afs_uint32 afromserver,
3449                  afs_int32 afrompart, int flags)
3450 {
3451     char vname[64];
3452     afs_int32 code = 0;
3453     afs_int32 vcode, rcode, tcode;
3454     afs_uint32 cloneVolId = 0, roVolId;
3455     struct replica *replicas = 0;
3456     struct nvldbentry entry, storeEntry;
3457     int i, volcount = 0, m, vldbindex;
3458     int failure;
3459     struct restoreCookie cookie;
3460     struct rx_connection **toconns = 0;
3461     struct release *times = 0;
3462     int nservers = 0;
3463     struct rx_connection *fromconn = (struct rx_connection *)0;
3464     afs_int32 error = 0;
3465     int islocked = 0;
3466     afs_int32 clonetid = 0, onlinetid;
3467     afs_int32 fromtid = 0;
3468     afs_uint32 fromdate = 0;
3469     afs_uint32 thisdate;
3470     time_t tmv;
3471     int s;
3472     manyDests tr;
3473     manyResults results;
3474     int rwindex, roindex, roclone, roexists;
3475     afs_uint32 rwcrdate = 0, rwupdate = 0;
3476     afs_uint32 clcrdate;
3477     struct rtime {
3478         int validtime;
3479         afs_uint32 uptime;
3480     } remembertime[NMAXNSERVERS];
3481     int releasecount = 0;
3482     struct volser_status volstatus;
3483     char hoststr[16];
3484     afs_int32 origflags[NMAXNSERVERS];
3485     struct volser_status orig_status;
3486     int notreleased = 0;
3487     int tried_justnewsites = 0;
3488     int justnewsites = 0; /* are we just trying to release to new RO sites? */
3489     int sites = 0; /* number of ro sites */
3490     int new_sites = 0; /* number of ro sites markes as new */
3491
3492     typedef enum {
3493         CR_PARTIAL    = 0x0000, /**< just new sites added or recover from a previous failed release */
3494         CR_FORCED     = 0x0001, /**< complete: forced by caller */
3495         CR_LAST_OK    = 0x0002, /**< complete: no sites have been marked as new release */
3496         CR_ALL_NEW    = 0x0004, /**< complete: all sites have been marked as new release */
3497         CR_NEW_RW     = 0x0008, /**< complete: read-write has changed */
3498         CR_RO_MISSING = 0x0010, /**< complete: ro clone is missing */
3499     } complete_release_t;
3500
3501     complete_release_t complete_release = CR_PARTIAL;
3502
3503     memset(remembertime, 0, sizeof(remembertime));
3504     memset(&results, 0, sizeof(results));
3505     memset(origflags, 0, sizeof(origflags));
3506
3507     vcode = ubik_VL_SetLock(cstruct, 0, afromvol, RWVOL, VLOP_RELEASE);
3508     if (vcode != VL_RERELEASE)
3509         ONERROR(vcode, afromvol,
3510                 "Could not lock the VLDB entry for the volume %u.\n");
3511     islocked = 1;
3512
3513     /* Get the vldb entry in readable format */
3514     vcode = VLDB_GetEntryByID(afromvol, RWVOL, &entry);
3515     ONERROR(vcode, afromvol,
3516             "Could not fetch the entry for the volume %u from the VLDB.\n");
3517     MapHostToNetwork(&entry);
3518
3519     if (verbose)
3520         EnumerateEntry(&entry);
3521
3522     if (!ISNAMEVALID(entry.name))
3523         ONERROR(VOLSERBADOP, entry.name,
3524                 "Volume name %s is too long, rename before releasing.\n");
3525     if (entry.volumeId[RWVOL] != afromvol)
3526         ONERROR(VOLSERBADOP, afromvol,
3527                 "The volume %u being released is not a read-write volume.\n");
3528     if (entry.nServers <= 1)
3529         ONERROR(VOLSERBADOP, afromvol,
3530                 "Volume %u has no replicas - release operation is meaningless!\n");
3531     if (strlen(entry.name) > (VOLSER_OLDMAXVOLNAME - 10))
3532         ONERROR(VOLSERBADOP, entry.name,
3533                 "RO volume name %s exceeds (VOLSER_OLDMAXVOLNAME - 10) character limit\n");
3534
3535     /* roclone is true if one of the RO volumes is on the same
3536      * partition as the RW volume. In this case, we make the RO volume
3537      * on the same partition a clone instead of a complete copy.
3538      */
3539
3540     roindex = Lp_ROMatch(afromserver, afrompart, &entry) - 1;
3541     roclone = ((roindex == -1) ? 0 : 1);
3542     rwindex = Lp_GetRwIndex(&entry);
3543     if (rwindex < 0)
3544         ONERROR0(VOLSERNOVOL, "There is no RW volume \n");
3545
3546     /* Make sure we have a RO volume id to work with */
3547     if (entry.volumeId[ROVOL] == INVALID_BID) {
3548         /* need to get a new RO volume id */
3549         vcode = ubik_VL_GetNewVolumeId(cstruct, 0, 1, &roVolId);
3550         ONERROR(vcode, entry.name, "Cant allocate ID for RO volume of %s\n");
3551
3552         entry.volumeId[ROVOL] = roVolId;
3553         MapNetworkToHost(&entry, &storeEntry);
3554         vcode = VLDB_ReplaceEntry(afromvol, RWVOL, &storeEntry, 0);
3555         ONERROR(vcode, entry.name, "Could not update vldb entry for %s.\n");
3556     }
3557
3558     /*
3559      * Determine if this is to be a complete release or a recovery of a
3560      * previous unfinished release. The previous release is considered to be
3561      * unfinished when the clone was successfully distributed to at least one
3562      * (but not all) of the read-only sites, as indicated by the NEW_REPSITE
3563      * vldb flags.
3564      *
3565      * The caller can override the vldb flags check using the -force
3566      * or -force-reclone flag, to force this to be a complete release.
3567      */
3568     for (i = 0; i < entry.nServers; i++) {
3569         if (entry.serverFlags[i] & VLSF_ROVOL) {
3570             sites++;
3571             if (entry.serverFlags[i] & VLSF_NEWREPSITE)
3572                 new_sites++;
3573             if (entry.serverFlags[i] & VLSF_DONTUSE)
3574                 notreleased++;
3575         }
3576         origflags[i] = entry.serverFlags[i];
3577     }
3578
3579     if (flags & REL_COMPLETE) {
3580         complete_release |= CR_FORCED;
3581     }
3582
3583     if (new_sites == 0) {
3584         complete_release |= CR_LAST_OK;
3585     } else if (new_sites == sites) {
3586         complete_release |= CR_ALL_NEW;
3587     }
3588
3589     if ((complete_release & (CR_LAST_OK | CR_ALL_NEW))
3590         && !(complete_release & CR_FORCED)) {
3591         if (notreleased && notreleased != sites) {
3592             /* we have some new unreleased sites. try to just release to those,
3593              * if the RW has not changed. The caller can override with -force
3594              * or with -force-reclone. */
3595             justnewsites = 1;
3596         }
3597     }
3598
3599     /* Determine which volume id to use and see if it exists */
3600     cloneVolId = (complete_release || entry.cloneId == 0)
3601                   ? entry.volumeId[ROVOL] : entry.cloneId;
3602
3603     code = VolumeExists(afromserver, afrompart, cloneVolId);
3604     roexists = ((code == ENODEV) ? 0 : 1);
3605
3606     fromconn = UV_Bind(afromserver, AFSCONF_VOLUMEPORT);
3607     if (!fromconn)
3608         ONERROR(-1, afromserver,
3609                 "Cannot establish connection with server 0x%x\n");
3610
3611     if (!complete_release) {
3612         if (!roexists) {
3613             complete_release |= CR_RO_MISSING;  /* Do a complete release if RO clone does not exist */
3614         } else {
3615             /* Begin transaction on RW and mark it busy while we query it */
3616             code = AFSVolTransCreate_retry(
3617                         fromconn, afromvol, afrompart, ITBusy, &fromtid
3618                    );
3619             ONERROR(code, afromvol,
3620                     "Failed to start transaction on RW volume %u\n");
3621
3622             /* Query the creation date for the RW */
3623             code = AFSVolGetStatus(fromconn, fromtid, &volstatus);
3624             ONERROR(code, afromvol,
3625                     "Failed to get the status of RW volume %u\n");
3626             rwcrdate = volstatus.creationDate;
3627
3628             /* End transaction on RW */
3629             code = AFSVolEndTrans(fromconn, fromtid, &rcode);
3630             fromtid = 0;
3631             ONERROR((code ? code : rcode), afromvol,
3632                     "Failed to end transaction on RW volume %u\n");
3633
3634             /* Begin transaction on clone and mark it busy while we query it */
3635             code = AFSVolTransCreate_retry(
3636                         fromconn, cloneVolId, afrompart, ITBusy, &clonetid
3637                    );
3638             ONERROR(code, cloneVolId,
3639                     "Failed to start transaction on RW clone %u\n");
3640
3641             /* Query the creation date for the clone */
3642             code = AFSVolGetStatus(fromconn, clonetid, &volstatus);
3643             ONERROR(code, cloneVolId,
3644                     "Failed to get the status of RW clone %u\n");
3645             clcrdate = volstatus.creationDate;
3646
3647             /* End transaction on clone */
3648             code = AFSVolEndTrans(fromconn, clonetid, &rcode);
3649             clonetid = 0;
3650             ONERROR((code ? code : rcode), cloneVolId,
3651                     "Failed to end transaction on RW clone %u\n");
3652
3653             if (rwcrdate > clcrdate)
3654                 complete_release |= CR_NEW_RW; /* Do a complete release if RO clone older than RW */
3655         }
3656     }
3657
3658     if (!complete_release || (complete_release & CR_NEW_RW)) {
3659         /* in case the RW has changed, and just to be safe */
3660         justnewsites = 0;
3661     }
3662
3663     if (verbose) {
3664         if (!complete_release) {
3665             fprintf(STDOUT,
3666                     "This is a recovery of previously failed release\n");
3667         } else {
3668             fprintf(STDOUT, "This is a complete release of volume %u", afromvol);
3669             if (complete_release == CR_LAST_OK) {
3670                 if (justnewsites) {
3671                     tried_justnewsites = 1;
3672                     fprintf(STDOUT, "\nThere are new RO sites; we will try to "
3673                             "only release to new sites");
3674                 }
3675             } else {
3676                 char *sep = " (";
3677                 if (complete_release & CR_FORCED) {
3678                     fprintf(STDOUT, "%sforced", sep);
3679                     sep = ", ";
3680                 }
3681                 if (complete_release & CR_LAST_OK) {
3682                     fprintf(STDOUT, "%slast ok", sep);
3683                     sep = ", ";
3684                 }
3685                 if (complete_release & CR_ALL_NEW) {
3686                     fprintf(STDOUT, "%sall sites are new", sep);
3687                     sep = ", ";
3688                 }
3689                 if (complete_release & CR_NEW_RW) {
3690                     fprintf(STDOUT, "%srw %u changed", sep, afromvol);
3691                     sep = ", ";
3692                 }
3693                 if (complete_release & CR_RO_MISSING) {
3694                     fprintf(STDOUT, "%sro clone missing", sep);
3695                 }
3696                 fprintf(STDOUT, ")");
3697             }
3698             fprintf(STDOUT, "\n");
3699         }
3700     }
3701
3702     if (complete_release) {
3703         afs_int32 oldest = 0;
3704         /* If the RO clone exists, then if the clone is a temporary
3705          * clone, delete it. Or if the RO clone is marked RO_DONTUSE
3706          * (it was recently added), then also delete it. We do not
3707          * want to "reclone" a temporary RO clone.
3708          */
3709
3710         /* clean up any previous tmp clone before starting if staying up */
3711         if (roexists
3712             && (!roclone || (entry.serverFlags[roindex] & VLSF_DONTUSE))) {
3713             code = DoVolDelete(fromconn,
3714                                cloneVolId,
3715                                afrompart, "the", 0, NULL, NULL);
3716             if (code && (code != VNOVOL))
3717                 ERROREXIT(code);
3718             roexists = 0;
3719         }
3720
3721         if (justnewsites) {
3722             VPRINT("Querying old RO sites for update times...");
3723             for (vldbindex = 0; vldbindex < entry.nServers; vldbindex++) {
3724                 volEntries volumeInfo;
3725                 struct rx_connection *conn;
3726                 afs_int32 crdate;
3727
3728                 if (!(entry.serverFlags[vldbindex] & VLSF_ROVOL)) {
3729                     continue;
3730                 }
3731                 if ((entry.serverFlags[vldbindex] & VLSF_DONTUSE)) {
3732                     continue;
3733                 }
3734                 conn = UV_Bind(entry.serverNumber[vldbindex], AFSCONF_VOLUMEPORT);
3735                 if (!conn) {
3736                     fprintf(STDERR, "Cannot establish connection to server %s\n",
3737                                     hostutil_GetNameByINet(entry.serverNumber[vldbindex]));
3738                     justnewsites = 0;
3739                     break;
3740                 }
3741                 volumeInfo.volEntries_val = NULL;
3742                 volumeInfo.volEntries_len = 0;
3743                 code = AFSVolListOneVolume(conn, entry.serverPartition[vldbindex],
3744                                            entry.volumeId[ROVOL],
3745                                            &volumeInfo);
3746                 if (code) {
3747                     fprintf(STDERR, "Could not fetch information about RO vol %lu from server %s\n",
3748                                     (unsigned long)entry.volumeId[ROVOL],
3749                                     hostutil_GetNameByINet(entry.serverNumber[vldbindex]));
3750                     PrintError("", code);
3751                     justnewsites = 0;
3752                     rx_DestroyConnection(conn);
3753                     break;
3754                 }
3755
3756                 crdate = CLOCKADJ(volumeInfo.volEntries_val[0].creationDate);
3757
3758                 if (oldest == 0 || crdate < oldest) {
3759                     oldest = crdate;
3760                 }
3761
3762                 rx_DestroyConnection(conn);
3763                 free(volumeInfo.volEntries_val);
3764                 volumeInfo.volEntries_val = NULL;
3765                 volumeInfo.volEntries_len = 0;
3766             }
3767             VDONE;
3768         }
3769         if (justnewsites) {
3770             volEntries volumeInfo;
3771             volumeInfo.volEntries_val = NULL;
3772             volumeInfo.volEntries_len = 0;
3773             code = AFSVolListOneVolume(fromconn, afrompart, afromvol,
3774                                        &volumeInfo);
3775             if (code) {
3776                 fprintf(STDERR, "Could not fetch information about RW vol %lu from server %s\n",
3777                                 (unsigned long)afromvol,
3778                                 hostutil_GetNameByINet(afromserver));
3779                 PrintError("", code);
3780                 justnewsites = 0;
3781             } else {
3782                 rwupdate = volumeInfo.volEntries_val[0].updateDate;
3783
3784                 free(volumeInfo.volEntries_val);
3785                 volumeInfo.volEntries_val = NULL;
3786                 volumeInfo.volEntries_len = 0;
3787             }
3788         }
3789         if (justnewsites && oldest <= rwupdate) {
3790             /* RW has changed */
3791             justnewsites = 0;
3792         }
3793
3794         /* Mark all the ROs in the VLDB entry as RO_DONTUSE. We don't
3795          * write this entry out to the vlserver until after the first
3796          * RO volume is released (temp RO clones don't count).
3797          *
3798          * If 'justnewsites' is set, we're only updating sites that have
3799          * RO_DONTUSE set, so set NEW_REPSITE for all of the others.
3800          */
3801         for (i = 0; i < entry.nServers; i++) {
3802             if (justnewsites) {
3803                 if ((entry.serverFlags[i] & VLSF_DONTUSE)) {
3804                     entry.serverFlags[i] &= ~VLSF_NEWREPSITE;
3805                 } else {
3806                     entry.serverFlags[i] |= VLSF_NEWREPSITE;
3807                 }
3808             } else {
3809                 entry.serverFlags[i] &= ~VLSF_NEWREPSITE;
3810                 entry.serverFlags[i] |= VLSF_DONTUSE;
3811             }
3812         }
3813         entry.serverFlags[rwindex] |= VLSF_NEWREPSITE;
3814         entry.serverFlags[rwindex] &= ~VLSF_DONTUSE;
3815     }
3816
3817     if (justnewsites && roexists) {
3818         /* if 'justnewsites' and 'roexists' are set, we don't need to do
3819          * anything with the RO clone, so skip the reclone */
3820         /* noop */
3821
3822     } else if (complete_release) {
3823
3824         if (roclone) {
3825             strcpy(vname, entry.name);
3826             strcat(vname, ".readonly");
3827         } else {
3828             strcpy(vname, "readonly-clone-temp");
3829         }
3830
3831         code = DoVolClone(fromconn, afromvol, afrompart, readonlyVolume,
3832                           cloneVolId, roclone?"permanent RO":
3833                           "temporary RO", NULL, vname, NULL, &volstatus, NULL);
3834         if (code) {
3835             error = code;
3836             goto rfail;
3837         }
3838
3839         if (justnewsites && rwupdate != volstatus.updateDate) {
3840             justnewsites = 0;
3841             /* reset the serverFlags as if 'justnewsites' had never been set */
3842             for (i = 0; i < entry.nServers; i++) {
3843                 entry.serverFlags[i] &= ~VLSF_NEWREPSITE;
3844                 entry.serverFlags[i] |= VLSF_DONTUSE;
3845             }
3846             entry.serverFlags[rwindex] |= VLSF_NEWREPSITE;
3847             entry.serverFlags[rwindex] &= ~VLSF_DONTUSE;
3848         }
3849
3850         rwcrdate = volstatus.creationDate;
3851
3852         /* Remember clone volume ID in case we fail or are interrupted */
3853         entry.cloneId = cloneVolId;
3854
3855         if (roclone) {
3856             /* Bring the RO clone online - though not if it's a temporary clone */
3857             VPRINT1("Starting transaction on RO clone volume %u...",
3858                     cloneVolId);
3859             code =
3860                 AFSVolTransCreate_retry(fromconn, cloneVolId, afrompart, ITOffline,
3861                                   &onlinetid);
3862             ONERROR(code, cloneVolId,
3863                     "Failed to start transaction on volume %u\n");
3864             VDONE;
3865
3866             VPRINT1("Setting volume flags for volume %u...", cloneVolId);
3867             tcode = AFSVolSetFlags(fromconn, onlinetid, 0);
3868             VDONE;
3869
3870             VPRINT1("Ending transaction on volume %u...", cloneVolId);
3871             code = AFSVolEndTrans(fromconn, onlinetid, &rcode);
3872             ONERROR((code ? code : rcode), cloneVolId,
3873                     "Failed to end transaction on RO clone %u\n");
3874             VDONE;
3875
3876             ONERROR(tcode, cloneVolId, "Could not bring volume %u on line\n");
3877
3878             /* Sleep so that a client searching for an online volume won't
3879              * find the clone offline and then the next RO offline while the
3880              * release brings the clone online and the next RO offline (race).
3881              * There is a fix in the 3.4 client that does not need this sleep
3882              * anymore, but we don't know what clients we have.
3883              */
3884             if (entry.nServers > 2 && !justnewsites)
3885                 sleep(5);
3886
3887             /* Mark the RO clone in the VLDB as a good site (already released) */
3888             entry.serverFlags[roindex] |= VLSF_NEWREPSITE;
3889             entry.serverFlags[roindex] &= ~VLSF_DONTUSE;
3890             entry.flags |= VLF_ROEXISTS;
3891
3892             releasecount++;
3893
3894             /* Write out the VLDB entry only if the clone is not a temporary
3895              * clone. If we did this to a temporary clone then we would end
3896              * up marking all the ROs as "old release" making the ROs
3897              * temporarily unavailable.
3898              */
3899             MapNetworkToHost(&entry, &storeEntry);
3900             VPRINT1("Replacing VLDB entry for %s...", entry.name);
3901             vcode = VLDB_ReplaceEntry(afromvol, RWVOL, &storeEntry, 0);
3902             ONERROR(vcode, entry.name,
3903                     "Could not update vldb entry for %s.\n");
3904             VDONE;
3905         }
3906     }
3907
3908     if (justnewsites) {
3909         VPRINT("RW vol has not changed; only releasing to new RO sites\n");
3910         /* act like this is a completion of a previous release */
3911         complete_release = CR_PARTIAL;
3912     } else if (tried_justnewsites) {
3913         VPRINT("RW vol has changed; releasing to all sites\n");
3914     }
3915
3916     /* Now we will release from the clone to the remaining RO replicas.
3917      * The first 2 ROs (counting the non-temporary RO clone) are released
3918      * individually: releasecount. This is to reduce the race condition
3919      * of clients trying to find an on-line RO volume. The remaining ROs
3920      * are released in parallel but no more than half the number of ROs
3921      * (rounded up) at a time: nservers.
3922      */
3923
3924     strcpy(vname, entry.name);
3925     strcat(vname, ".readonly");
3926     memset(&cookie, 0, sizeof(cookie));
3927     strncpy(cookie.name, vname, VOLSER_OLDMAXVOLNAME);
3928     cookie.type = ROVOL;
3929     cookie.parent = entry.volumeId[RWVOL];
3930     cookie.clone = 0;
3931
3932     /* how many to do at once, excluding clone */
3933     if (justnewsites)
3934         nservers = entry.nServers; /* can do all, none offline */
3935     else
3936         nservers = entry.nServers / 2;
3937     replicas = calloc(nservers + 1, sizeof(struct replica));
3938     times = calloc(nservers + 1, sizeof(struct release));
3939     toconns = calloc(nservers + 1, sizeof(struct rx_connection *));
3940     results.manyResults_val = calloc(nservers + 1, sizeof(afs_int32));
3941     if (!replicas || !times || !results.manyResults_val || !toconns)
3942         ONERROR0(ENOMEM,
3943                 "Failed to create transaction on the release clone\n");
3944
3945     /* Create a transaction on the cloned volume */
3946     VPRINT1("Starting transaction on cloned volume %u...", cloneVolId);
3947     code =
3948         AFSVolTransCreate_retry(fromconn, cloneVolId, afrompart, ITBusy, &fromtid);
3949     if (!code) {
3950         memset(&orig_status, 0, sizeof(orig_status));
3951         code = AFSVolGetStatus(fromconn, fromtid, &orig_status);
3952     }
3953     if (!complete_release && code)
3954         ONERROR(VOLSERNOVOL, afromvol,
3955                 "Old clone is inaccessible. Try vos release -f %u.\n");
3956     ONERROR0(code, "Failed to create transaction on the release clone\n");
3957     VDONE;
3958
3959     /* For each index in the VLDB */
3960     for (vldbindex = 0; vldbindex < entry.nServers;) {
3961         /* Get a transaction on the replicas. Pick replicas which have an old release. */
3962         for (volcount = 0;
3963              ((volcount < nservers) && (vldbindex < entry.nServers));
3964              vldbindex++) {
3965             if (!justnewsites) {
3966                 /* The first two RO volumes will be released individually.
3967                  * The rest are then released in parallel. This is a hack
3968                  * for clients not recognizing right away when a RO volume
3969                  * comes back on-line.
3970                  */
3971                 if ((volcount == 1) && (releasecount < 2))
3972                     break;
3973             }
3974
3975             if (vldbindex == roindex)
3976                 continue;       /* the clone    */
3977             if ((entry.serverFlags[vldbindex] & VLSF_NEWREPSITE)
3978                 && !(entry.serverFlags[vldbindex] & VLSF_DONTUSE))
3979                 continue;
3980             if (!(entry.serverFlags[vldbindex] & VLSF_ROVOL))
3981                 continue;       /* not a RO vol */
3982
3983
3984             /* Get a Transaction on this replica. Get a new connection if
3985              * necessary.  Create the volume if necessary.  Return the
3986              * time from which the dump should be made (0 if it's a new
3987              * volume).  Each volume might have a different time.
3988              */
3989             replicas[volcount].server.destHost =
3990                 ntohl(entry.serverNumber[vldbindex]);
3991             replicas[volcount].server.destPort = AFSCONF_VOLUMEPORT;
3992             replicas[volcount].server.destSSID = 1;
3993             times[volcount].vldbEntryIndex = vldbindex;
3994
3995             code =
3996                 GetTrans(&entry, vldbindex, &(toconns[volcount]),
3997                          &(replicas[volcount].trans),
3998                          &(times[volcount].crtime),
3999                          &(times[volcount].uptime),
4000                          origflags, 0);
4001             if (code)
4002                 continue;
4003
4004             /* Thisdate is the date from which we want to pick up all changes */
4005             if (flags & REL_FULLDUMPS) {
4006                 /* Do a full dump when forced by the caller. */
4007                 VPRINT("This will be a full dump: forced\n");
4008                 thisdate = 0;
4009             } else if (complete_release == CR_PARTIAL) {
4010                 if (justnewsites) {
4011                     VPRINT("This will be a full dump: read-only volume needs be created for new site\n");
4012                 } else {
4013                     /*
4014                      * We cannot be sure the creation date is good since the previous
4015                      * release failed, so do a full dump.
4016                      */
4017                     VPRINT("This will be a full dump: previous release failed\n");
4018                 }
4019                 thisdate = 0;
4020             } else if (times[volcount].crtime == 0) {
4021                 /* A full dump is needed for a new read-only volume. */
4022                 VPRINT
4023                     ("This will be a full dump: read-only volume needs to be created\n");
4024                 thisdate = 0;
4025             } else if ((rwcrdate > times[volcount].crtime)) {
4026                 /* If the RW volume was replaced (its creation date is newer than
4027                  * the last release), then we can't be sure what has changed (so
4028                  * we do a full dump).
4029                  */
4030                 VPRINT
4031                     ("This will be a full dump: read-write volume was replaced\n");
4032                 thisdate = 0;
4033             } else if (remembertime[vldbindex].validtime) {
4034                 /* Trans was prev ended. Use the time from the prev trans
4035                  * because, prev trans may have created the volume. In which
4036                  * case time[volcount].time would be now instead of 0.
4037                  */
4038                 thisdate =
4039                     (remembertime[vldbindex].uptime < times[volcount].uptime)
4040                         ? remembertime[vldbindex].uptime
4041                         : times[volcount].uptime;
4042             } else {
4043                 thisdate = times[volcount].uptime;
4044             }
4045             remembertime[vldbindex].validtime = 1;
4046             remembertime[vldbindex].uptime = thisdate;
4047
4048             if (volcount == 0) {
4049                 fromdate = thisdate;
4050             } else {
4051                 /* Include this volume if it is within 15 minutes of the earliest */
4052                 if (((fromdate >
4053                       thisdate) ? (fromdate - thisdate) : (thisdate -
4054                                                            fromdate)) > 900) {
4055                     AFSVolEndTrans(toconns[volcount],
4056                                    replicas[volcount].trans, &rcode);
4057                     replicas[volcount].trans = 0;
4058                     break;
4059                 }
4060                 if (thisdate < fromdate)
4061                     fromdate = thisdate;
4062             }
4063             volcount++;
4064         }
4065         if (!volcount)
4066             continue;
4067
4068         code = CheckTrans(fromconn, &fromtid, afrompart, &orig_status);
4069         if (code) {
4070             error = ENOENT;
4071             goto rfail;
4072         }
4073
4074         if (verbose) {
4075             fprintf(STDOUT, "Starting ForwardMulti from %lu to %u on %s",
4076                     (unsigned long)cloneVolId,
4077                     entry.volumeId[ROVOL],
4078                     noresolve ? afs_inet_ntoa_r(entry.serverNumber[times[0].
4079                                                 vldbEntryIndex], hoststr) :
4080                     hostutil_GetNameByINet(entry.
4081                                            serverNumber[times[0].
4082                                                         vldbEntryIndex]));
4083
4084             for (s = 1; s < volcount; s++) {
4085                 fprintf(STDOUT, " and %s",
4086                         noresolve ? afs_inet_ntoa_r(entry.serverNumber[times[s].
4087                                                     vldbEntryIndex], hoststr) :
4088                         hostutil_GetNameByINet(entry.
4089                                                serverNumber[times[s].
4090                                                             vldbEntryIndex]));
4091             }
4092
4093             if (fromdate == 0)
4094                 fprintf(STDOUT, " (entire volume)");
4095             else {
4096                 tmv = fromdate;
4097                 fprintf(STDOUT, " (as of %.24s)", ctime(&tmv));
4098             }
4099             fprintf(STDOUT, ".\n");
4100             fflush(STDOUT);
4101         }
4102
4103         /* Release the ones we have collected */
4104         tr.manyDests_val = &(replicas[0]);
4105         tr.manyDests_len = results.manyResults_len = volcount;
4106         code =
4107             AFSVolForwardMultiple(fromconn, fromtid, fromdate, &tr,
4108                                   0 /*spare */ , &cookie, &results);
4109         if (code == RXGEN_OPCODE) {     /* RPC Interface Mismatch */
4110             code =
4111                 SimulateForwardMultiple(fromconn, fromtid, fromdate, &tr,
4112                                         0 /*spare */ , &cookie, &results);
4113             nservers = 1;
4114         }
4115
4116         if (code) {
4117             PrintError("Release failed: ", code);
4118         } else {
4119             for (m = 0; m < volcount; m++) {
4120                 if (results.manyResults_val[m]) {
4121                     if ((m == 0) || (results.manyResults_val[m] != ENOENT)) {
4122                         /* we retry timed out transaction. When it is
4123                          * not the first volume and the transaction wasn't found
4124                          * (assume it timed out and was garbage collected by volser).
4125                          */
4126                         PrintError
4127                             ("Failed to dump volume from clone to a ro site: ",
4128                              results.manyResults_val[m]);
4129                     }
4130                     continue;
4131                 }
4132
4133                 code =
4134                     AFSVolSetIdsTypes(toconns[m], replicas[m].trans, vname,
4135                                       ROVOL, entry.volumeId[RWVOL], 0, 0);
4136                 if (code) {
4137                     if ((m == 0) || (code != ENOENT)) {
4138                         PrintError("Failed to set correct names and ids: ",
4139                                    code);
4140                     }
4141                     continue;
4142                 }
4143
4144                 /* have to clear dest. flags to ensure new vol goes online:
4145                  * because the restore (forwarded) operation copied
4146                  * the V_inService(=0) flag over to the destination.
4147                  */
4148                 code = AFSVolSetFlags(toconns[m], replicas[m].trans, 0);
4149                 if (code) {
4150                     if ((m == 0) || (code != ENOENT)) {
4151                         PrintError("Failed to set flags on ro volume: ",
4152                                    code);
4153                     }
4154                     continue;
4155                 }
4156
4157                 entry.serverFlags[times[m].vldbEntryIndex] |= VLSF_NEWREPSITE;
4158                 entry.serverFlags[times[m].vldbEntryIndex] &= ~VLSF_DONTUSE;
4159                 entry.flags |= VLF_ROEXISTS;
4160                 releasecount++;
4161             }
4162         }
4163
4164         PutTrans(&vldbindex, replicas, toconns, times, volcount);
4165         MapNetworkToHost(&entry, &storeEntry);
4166         vcode = VLDB_ReplaceEntry(afromvol, RWVOL, &storeEntry, 0);
4167         ONERROR(vcode, afromvol,
4168                 " Could not update VLDB entry for volume %u\n");
4169     }                           /* for each index in the vldb */
4170
4171     /* End the transaction on the cloned volume */
4172     code = AFSVolEndTrans(fromconn, fromtid, &rcode);
4173     fromtid = 0;
4174     if (!code)
4175         code = rcode;
4176     if (code)
4177         PrintError("Failed to end transaction on rw volume: ", code);
4178
4179     /* Figure out if any volume were not released and say so */
4180     for (failure = 0, i = 0; i < entry.nServers; i++) {
4181         if (!(entry.serverFlags[i] & VLSF_NEWREPSITE))
4182             failure++;
4183     }
4184     if (failure) {
4185         char pname[10];
4186         fprintf(STDERR,
4187                 "The volume %lu could not be released to the following %d sites:\n",
4188                 (unsigned long)afromvol, failure);
4189         for (i = 0; i < entry.nServers; i++) {
4190             if (!(entry.serverFlags[i] & VLSF_NEWREPSITE)) {
4191                 MapPartIdIntoName(entry.serverPartition[i], pname);
4192                 fprintf(STDERR, "\t%35s %s\n",
4193                         noresolve ? afs_inet_ntoa_r(entry.serverNumber[i], hoststr) :
4194                         hostutil_GetNameByINet(entry.serverNumber[i]), pname);
4195             }
4196         }
4197         MapNetworkToHost(&entry, &storeEntry);
4198         vcode =
4199             VLDB_ReplaceEntry(afromvol, RWVOL, &storeEntry,
4200                               LOCKREL_TIMESTAMP);
4201         ONERROR(vcode, afromvol,
4202                 " Could not update VLDB entry for volume %u\n");
4203
4204         ERROREXIT(VOLSERBADRELEASE);
4205     }
4206
4207     entry.cloneId = 0;
4208     /* All the ROs were release successfully. Remove the temporary clone */
4209     if (!roclone) {
4210         if (verbose) {
4211             fprintf(STDOUT, "Deleting the releaseClone %lu ...",
4212                     (unsigned long)cloneVolId);
4213             fflush(STDOUT);
4214         }
4215         code = DoVolDelete(fromconn, cloneVolId, afrompart, NULL, 0, NULL,
4216                            NULL);
4217         if (code && code != VNOVOL)
4218             ONERROR(code, cloneVolId, "Failed to delete volume %u.\n");
4219         VDONE;
4220     }
4221
4222     for (i = 0; i < entry.nServers; i++)
4223         entry.serverFlags[i] &= ~VLSF_NEWREPSITE;
4224
4225     /* Update the VLDB */
4226     VPRINT("updating VLDB ...");
4227
4228     MapNetworkToHost(&entry, &storeEntry);
4229     vcode =
4230         VLDB_ReplaceEntry(afromvol, RWVOL, &storeEntry,
4231                           LOCKREL_OPCODE | LOCKREL_AFSID | LOCKREL_TIMESTAMP);
4232     ONERROR(vcode, afromvol, " Could not update VLDB entry for volume %u\n");
4233     VDONE;
4234
4235   rfail:
4236     if (clonetid) {
4237         code = AFSVolEndTrans(fromconn, clonetid, &rcode);
4238         clonetid = 0;
4239         if (code) {
4240             fprintf(STDERR,
4241                     "Failed to end cloning transaction on the RW volume %lu\n",
4242                     (unsigned long)afromvol);
4243             if (!error)
4244                 error = code;
4245         }
4246     }
4247     if (fromtid) {
4248         code = AFSVolEndTrans(fromconn, fromtid, &rcode);
4249         fromtid = 0;
4250         if (code) {
4251             fprintf(STDERR,
4252                     "Failed to end transaction on the release clone %lu\n",
4253                     (unsigned long)cloneVolId);
4254             if (!error)
4255                 error = code;
4256         }
4257     }
4258     for (i = 0; i < nservers; i++) {
4259         if (replicas && replicas[i].trans) {
4260             code = AFSVolEndTrans(toconns[i], replicas[i].trans, &rcode);
4261             replicas[i].trans = 0;
4262             if (code) {
4263                 fprintf(STDERR,
4264                         "Failed to end transaction on ro volume %u at server %s\n",
4265                         entry.volumeId[ROVOL],
4266                         noresolve ? afs_inet_ntoa_r(htonl(replicas[i].server.
4267                                                         destHost), hoststr) :
4268                         hostutil_GetNameByINet(htonl
4269                                                (replicas[i].server.destHost)));
4270                 if (!error)
4271                     error = code;
4272             }
4273         }
4274         if (toconns && toconns[i]) {
4275             rx_DestroyConnection(toconns[i]);
4276             toconns[i] = 0;
4277         }
4278     }
4279     if (islocked) {
4280         vcode =
4281             ubik_VL_ReleaseLock(cstruct, 0, afromvol, RWVOL,
4282                       LOCKREL_OPCODE | LOCKREL_AFSID | LOCKREL_TIMESTAMP);
4283         if (vcode) {
4284             fprintf(STDERR,
4285                     "Could not release lock on the VLDB entry for volume %lu\n",
4286                     (unsigned long)afromvol);
4287             if (!error)
4288                 error = vcode;
4289         }
4290     }
4291
4292     PrintError("", error);
4293
4294     if (fromconn)
4295         rx_DestroyConnection(fromconn);
4296     if (results.manyResults_val)
4297         free(results.manyResults_val);
4298     if (replicas)
4299         free(replicas);
4300     if (toconns)
4301         free(toconns);
4302     if (times)
4303         free(times);
4304     return error;
4305 }
4306
4307
4308 static void
4309 dump_sig_handler(int x)
4310 {
4311     fprintf(STDERR, "\nSignal handler: vos dump operation\n");
4312     longjmp(env, 0);
4313 }
4314
4315 /* Dump the volume <afromvol> on <afromserver> and
4316  * <afrompart> to <afilename> starting from <fromdate>.
4317  * DumpFunction does the real work behind the scenes after
4318  * extracting parameters from the rock
4319  */
4320 int
4321 UV_DumpVolume(afs_uint32 afromvol, afs_uint32 afromserver, afs_int32 afrompart,
4322               afs_int32 fromdate,
4323               afs_int32(*DumpFunction) (struct rx_call *, void *), void *rock,
4324               afs_int32 flags)
4325 {
4326     /* declare stuff 'volatile' that may be used from setjmp/longjmp and may
4327      * be changing during the dump */
4328     struct rx_call * volatile fromcall = NULL;
4329     struct rx_connection * volatile fromconn = NULL;
4330     afs_int32 volatile fromtid = 0;
4331
4332     afs_int32 rcode = 0;
4333     afs_int32 code, error = 0;
4334     afs_int32 tmp;
4335     time_t tmv = fromdate;
4336
4337     if (setjmp(env))
4338         ERROR_EXIT(EPIPE);
4339 #ifndef AFS_NT40_ENV
4340     (void)signal(SIGPIPE, dump_sig_handler);
4341 #endif
4342     (void)signal(SIGINT, dump_sig_handler);
4343
4344     if (!fromdate) {
4345         VEPRINT("Full Dump ...\n");
4346     } else {
4347         VEPRINT1("Incremental Dump (as of %.24s)...\n",
4348                 ctime(&tmv));
4349     }
4350
4351     /* get connections to the servers */
4352     fromconn = UV_Bind(afromserver, AFSCONF_VOLUMEPORT);
4353
4354     VEPRINT1("Starting transaction on volume %u...", afromvol);
4355     tmp = fromtid;
4356     code = AFSVolTransCreate_retry(fromconn, afromvol, afrompart, ITBusy, &tmp);
4357     fromtid = tmp;
4358     EGOTO1(error_exit, code,
4359            "Could not start transaction on the volume %u to be dumped\n",
4360            afromvol);
4361     VEDONE;
4362
4363     fromcall = rx_NewCall(fromconn);
4364
4365     VEPRINT1("Starting volume dump on volume %u...", afromvol);
4366     if (flags & VOLDUMPV2_OMITDIRS)
4367         code = StartAFSVolDumpV2(fromcall, fromtid, fromdate, flags);
4368     else
4369         code = StartAFSVolDump(fromcall, fromtid, fromdate);
4370     EGOTO(error_exit, code, "Could not start the dump process \n");
4371     VEDONE;
4372
4373     VEPRINT1("Dumping volume %u...", afromvol);
4374     code = DumpFunction(fromcall, rock);
4375     if (code == RXGEN_OPCODE)
4376         goto error_exit;
4377     EGOTO(error_exit, code, "Error while dumping volume \n");
4378     VEDONE;
4379
4380   error_exit:
4381     if (fromcall) {
4382         code = rx_EndCall(fromcall, 0);
4383         if (code && code != RXGEN_OPCODE)
4384             fprintf(STDERR, "Error in rx_EndCall\n");
4385         if (code && !error)
4386             error = code;
4387     }
4388     if (fromtid) {
4389         VEPRINT1("Ending transaction on volume %u...", afromvol);
4390         code = AFSVolEndTrans(fromconn, fromtid, &rcode);
4391         if (code || rcode) {
4392             fprintf(STDERR, "Could not end transaction on the volume %lu\n",
4393                     (unsigned long)afromvol);
4394             if (!error)
4395                 error = (code ? code : rcode);
4396         }
4397         VEDONE;
4398     }
4399     if (fromconn)
4400         rx_DestroyConnection(fromconn);
4401
4402     if (error != RXGEN_OPCODE)
4403         PrintError("", error);
4404     return (error);
4405 }
4406
4407 /* Clone the volume <afromvol> on <afromserver> and
4408  * <afrompart>, and then dump the clone volume to
4409  * <afilename> starting from <fromdate>.
4410  * DumpFunction does the real work behind the scenes after
4411  * extracting parameters from the rock
4412  */
4413 int
4414 UV_DumpClonedVolume(afs_uint32 afromvol, afs_uint32 afromserver,
4415                     afs_int32 afrompart, afs_int32 fromdate,
4416                     afs_int32(*DumpFunction) (struct rx_call *, void *),
4417                     void *rock, afs_int32 flags)
4418 {
4419     /* declare stuff 'volatile' that may be used from setjmp/longjmp and may
4420      * be changing during the dump */
4421     struct rx_connection * volatile fromconn = NULL;
4422     struct rx_call * volatile fromcall = NULL;
4423     afs_int32 volatile clonetid = 0;
4424     afs_uint32 volatile clonevol = 0;
4425
4426     afs_int32 tmp;
4427     afs_int32 fromtid = 0, rcode = 0;
4428     afs_int32 code = 0, error = 0;
4429     afs_uint32 tmpVol;
4430     time_t tmv = fromdate;
4431     char *volName = NULL;
4432
4433     if (setjmp(env))
4434         ERROR_EXIT(EPIPE);
4435 #ifndef AFS_NT40_ENV
4436     (void)signal(SIGPIPE, dump_sig_handler);
4437 #endif
4438     (void)signal(SIGINT, dump_sig_handler);
4439
4440     if (!fromdate) {
4441         VEPRINT("Full Dump ...\n");
4442     } else {
4443         VEPRINT1("Incremental Dump (as of %.24s)...\n",
4444                 ctime(&tmv));
4445     }
4446
4447     /* get connections to the servers */
4448     fromconn = UV_Bind(afromserver, AFSCONF_VOLUMEPORT);
4449
4450     VEPRINT1("Starting transaction on volume %u...", afromvol);
4451     code = AFSVolTransCreate_retry(fromconn, afromvol, afrompart, ITBusy, &fromtid);
4452     EGOTO1(error_exit, code,
4453            "Could not start transaction on the volume %u to be dumped\n",
4454            afromvol);
4455     VEDONE;
4456
4457     VEPRINT1("Getting the name for volume %u ...", afromvol);
4458     code = AFSVolGetName(fromconn, fromtid, &volName);
4459     EGOTO1(error_exit, code,
4460            "Failed to get the name of the volume %u\n",afromvol);
4461     VEDONE;
4462
4463     /* Get a clone id */
4464     VEPRINT1("Allocating new volume id for clone of volume %u ...", afromvol);
4465     tmpVol = clonevol;
4466     code = ubik_VL_GetNewVolumeId(cstruct, 0, 1, &tmpVol);
4467     clonevol = tmpVol;
4468     EGOTO1(error_exit, code,
4469            "Could not get an ID for the clone of volume %u from the VLDB\n",
4470            afromvol);
4471     VEDONE;
4472
4473     /* Do the clone. Default flags on clone are set to delete on salvage and out of service */
4474     VEPRINT2("Cloning source volume %u to clone volume %u...", afromvol,
4475             clonevol);
4476     tmpVol = clonevol;
4477     code =
4478         AFSVolClone(fromconn, fromtid, 0, readonlyVolume, volName, &tmpVol);
4479     clonevol = tmpVol;
4480     EGOTO1(error_exit, code, "Failed to clone the source volume %u\n",
4481            afromvol);
4482     VEDONE;
4483
4484     VEPRINT1("Ending the transaction on the volume %u ...", afromvol);
4485     rcode = 0;
4486     code = AFSVolEndTrans(fromconn, fromtid, &rcode);
4487     fromtid = 0;
4488     if (!code)
4489         code = rcode;
4490     EGOTO1(error_exit, code,
4491            "Failed to end the transaction on the volume %u\n", afromvol);
4492     VEDONE;
4493
4494
4495     VEPRINT1("Starting transaction on the cloned volume %u ...", clonevol);
4496     tmp = clonetid;
4497     code =
4498         AFSVolTransCreate_retry(fromconn, clonevol, afrompart, ITOffline,
4499                           &tmp);
4500     clonetid = tmp;
4501     EGOTO1(error_exit, code,
4502            "Failed to start a transaction on the cloned volume%u\n",
4503            clonevol);
4504     VEDONE;
4505
4506     VEPRINT1("Setting flags on cloned volume %u ...", clonevol);
4507     code = AFSVolSetFlags(fromconn, clonetid, VTDeleteOnSalvage | VTOutOfService);      /*redundant */
4508     EGOTO1(error_exit, code, "Could not set falgs on the cloned volume %u\n",
4509            clonevol);
4510     VEDONE;
4511
4512
4513     fromcall = rx_NewCall(fromconn);
4514
4515     VEPRINT1("Starting volume dump from cloned volume %u...", clonevol);
4516     if (flags & VOLDUMPV2_OMITDIRS)
4517         code = StartAFSVolDumpV2(fromcall, clonetid, fromdate, flags);
4518     else
4519         code = StartAFSVolDump(fromcall, clonetid, fromdate);
4520     EGOTO(error_exit, code, "Could not start the dump process \n");
4521     VEDONE;
4522
4523     VEPRINT1("Dumping volume %u...", afromvol);
4524     code = DumpFunction(fromcall, rock);
4525     EGOTO(error_exit, code, "Error while dumping volume \n");
4526     VEDONE;
4527
4528   error_exit:
4529     if (volName)
4530         free(volName);
4531
4532     /* now delete the clone */
4533     VEPRINT1("Deleting the cloned volume %u ...", clonevol);
4534     code = AFSVolDeleteVolume(fromconn, clonetid);
4535     if (code) {
4536         fprintf(STDERR, "Failed to delete the cloned volume %lu\n",
4537                 (unsigned long)clonevol);
4538     } else {
4539         VEDONE;
4540     }
4541
4542     if (fromcall) {
4543         code = rx_EndCall(fromcall, 0);
4544         if (code) {
4545             fprintf(STDERR, "Error in rx_EndCall\n");
4546             if (!error)
4547                 error = code;
4548         }
4549     }
4550     if (clonetid) {
4551         VEPRINT1("Ending transaction on cloned volume %u...", clonevol);
4552         code = AFSVolEndTrans(fromconn, clonetid, &rcode);
4553         if (code || rcode) {
4554             fprintf(STDERR,
4555                     "Could not end transaction on the cloned volume %lu\n",
4556                     (unsigned long)clonevol);
4557             if (!error)
4558                 error = (code ? code : rcode);
4559         }
4560         VEDONE;
4561     }
4562     if (fromconn)
4563         rx_DestroyConnection(fromconn);
4564
4565     PrintError("", error);
4566     return (error);
4567 }
4568
4569
4570
4571 /*
4572  * Restore a volume <tovolid> <tovolname> on <toserver> <topart> from
4573  * the dump file <afilename>. WriteData does all the real work
4574  * after extracting params from the rock
4575  */
4576 int
4577 UV_RestoreVolume2(afs_uint32 toserver, afs_int32 topart, afs_uint32 tovolid,
4578                   afs_uint32 toparentid, char tovolname[], int flags,
4579                   afs_int32(*WriteData) (struct rx_call *, void *),
4580                   void *rock)
4581 {
4582     struct rx_connection *toconn, *tempconn;
4583     struct rx_call *tocall;
4584     afs_int32 totid, code, rcode, vcode, terror = 0;
4585     struct volser_status tstatus;
4586     struct volintInfo vinfo;
4587     char partName[10];
4588     char tovolreal[VOLSER_OLDMAXVOLNAME];
4589     afs_uint32 pvolid;
4590     afs_int32 temptid, pparentid;
4591     struct nvldbentry entry, storeEntry;
4592     afs_int32 error;
4593     int islocked;
4594     struct restoreCookie cookie;
4595     int reuseID;
4596     afs_int32 volflag, voltype, volsertype;
4597     afs_int32 oldCreateDate, oldUpdateDate, newCreateDate, newUpdateDate;
4598     VolumeId oldCloneId = 0;
4599     VolumeId oldBackupId = 0;
4600     int index, same, errcode;
4601     char apartName[10];
4602     char hoststr[16];
4603
4604     memset(&cookie, 0, sizeof(cookie));
4605     islocked = 0;
4606     error = 0;
4607     reuseID = 1;
4608     tocall = (struct rx_call *)0;
4609     tempconn = (struct rx_connection *)0;
4610     totid = 0;
4611     temptid = 0;
4612
4613     if (flags & RV_RDONLY) {
4614         voltype = ROVOL;
4615         volsertype = volser_RO;
4616     } else {
4617         voltype = RWVOL;
4618         volsertype = volser_RW;
4619     }
4620
4621     pvolid = tovolid;
4622     pparentid = toparentid;
4623     toconn = UV_Bind(toserver, AFSCONF_VOLUMEPORT);
4624     if (pvolid == 0) {          /*alot a new id if needed */
4625         vcode = VLDB_GetEntryByName(tovolname, &entry);
4626         if (vcode == VL_NOENT) {
4627             vcode = ubik_VL_GetNewVolumeId(cstruct, 0, 1, &pvolid);
4628             if (vcode) {
4629                 fprintf(STDERR, "Could not get an Id for the volume %s\n",
4630                         tovolname);
4631                 error = vcode;
4632                 goto refail;
4633             }
4634             reuseID = 0;
4635         } else if (flags & RV_RDONLY) {
4636             if (entry.flags & VLF_RWEXISTS) {
4637                 fprintf(STDERR,
4638                         "Entry for ReadWrite volume %s already exists!\n",
4639                         entry.name);
4640                 error = VOLSERBADOP;
4641                 goto refail;
4642             }
4643             if (!entry.volumeId[ROVOL]) {
4644                 fprintf(STDERR,
4645                         "Existing entry for volume %s has no ReadOnly ID\n",
4646                         tovolname);
4647                 error = VOLSERBADOP;
4648                 goto refail;
4649             }
4650             pvolid = entry.volumeId[ROVOL];
4651             pparentid = entry.volumeId[RWVOL];
4652         } else {
4653             pvolid = entry.volumeId[RWVOL];
4654             pparentid = entry.volumeId[RWVOL];
4655         }
4656     }
4657     if (!pparentid) pparentid = pvolid;
4658     /* at this point we have a volume id to use/reuse for the volume to be restored */
4659     strncpy(tovolreal, tovolname, VOLSER_OLDMAXVOLNAME);
4660
4661     if (strlen(tovolname) > (VOLSER_OLDMAXVOLNAME - 1)) {
4662         EGOTO1(refail, VOLSERBADOP,
4663                "The volume name %s exceeds the maximum limit of (VOLSER_OLDMAXVOLNAME -1 ) bytes\n",
4664                tovolname);
4665     } else {
4666         if ((pparentid != pvolid) && (flags & RV_RDONLY)) {
4667             if (strlen(tovolname) > (VOLSER_OLDMAXVOLNAME - 10)) {
4668                 EGOTO1(refail, VOLSERBADOP,
4669                        "The volume name %s exceeds the maximum limit of (VOLSER_OLDMAXVOLNAME -1 ) bytes\n", tovolname);
4670             }
4671             snprintf(tovolreal, VOLSER_OLDMAXVOLNAME, "%s.readonly", tovolname);
4672         }
4673     }
4674     MapPartIdIntoName(topart, partName);
4675     fprintf(STDOUT, "Restoring volume %s Id %lu on server %s partition %s ..",
4676             tovolreal, (unsigned long)pvolid,
4677             noresolve ? afs_inet_ntoa_r(toserver, hoststr) :
4678             hostutil_GetNameByINet(toserver), partName);
4679     fflush(STDOUT);
4680     code =
4681         AFSVolCreateVolume(toconn, topart, tovolreal, volsertype, pparentid, &pvolid,
4682                            &totid);
4683     if (code) {
4684         if (flags & RV_FULLRST) {       /* full restore: delete then create anew */
4685             code = DoVolDelete(toconn, pvolid, topart, "the previous", 0,
4686                                &tstatus, NULL);
4687             if (code && code != VNOVOL) {
4688                 error = code;
4689                 goto refail;
4690             }
4691
4692             code =
4693                 AFSVolCreateVolume(toconn, topart, tovolreal, volsertype, pparentid,
4694                                    &pvolid, &totid);
4695             EGOTO1(refail, code, "Could not create new volume %u\n", pvolid);
4696         } else {
4697             code =
4698                 AFSVolTransCreate_retry(toconn, pvolid, topart, ITOffline, &totid);
4699             EGOTO1(refail, code, "Failed to start transaction on %u\n",
4700                    pvolid);
4701
4702             code = AFSVolGetStatus(toconn, totid, &tstatus);
4703             EGOTO1(refail, code, "Could not get timestamp from volume %u\n",
4704                    pvolid);
4705
4706         }
4707         oldCreateDate = tstatus.creationDate;
4708         oldUpdateDate = tstatus.updateDate;
4709         oldCloneId = tstatus.cloneID;
4710         oldBackupId = tstatus.backupID;
4711     } else {
4712         oldCreateDate = 0;
4713         oldUpdateDate = 0;
4714     }
4715
4716     cookie.parent = pparentid;
4717     cookie.type = voltype;
4718     cookie.clone = 0;
4719     strncpy(cookie.name, tovolreal, VOLSER_OLDMAXVOLNAME);
4720
4721     tocall = rx_NewCall(toconn);
4722     terror = StartAFSVolRestore(tocall, totid, 1, &cookie);
4723     if (terror) {
4724         fprintf(STDERR, "Volume restore Failed \n");
4725         error = terror;
4726         goto refail;
4727     }
4728     code = WriteData(tocall, rock);
4729     if (code) {
4730         fprintf(STDERR, "Could not transmit data\n");
4731         error = code;
4732         goto refail;
4733     }
4734     terror = rx_EndCall(tocall, 0);
4735     tocall = (struct rx_call *)0;
4736     if (terror) {
4737         fprintf(STDERR, "rx_EndCall Failed \n");
4738         error = terror;
4739         goto refail;
4740     }
4741     code = AFSVolGetStatus(toconn, totid, &tstatus);
4742     if (code) {
4743         fprintf(STDERR,
4744                 "Could not get status information about the volume %lu\n",
4745                 (unsigned long)pvolid);
4746         error = code;
4747         goto refail;
4748     }
4749     code = AFSVolSetIdsTypes(toconn, totid, tovolreal, voltype, pparentid,
4750                                 oldCloneId, oldBackupId);
4751     if (code) {
4752         fprintf(STDERR, "Could not set the right type and IDs on %lu\n",
4753                 (unsigned long)pvolid);
4754         error = code;
4755         goto refail;
4756     }
4757
4758     if (flags & RV_CRDUMP)
4759         newCreateDate = tstatus.creationDate;
4760     else if (flags & RV_CRKEEP && oldCreateDate != 0)
4761         newCreateDate = oldCreateDate;
4762     else
4763         newCreateDate = time(0);
4764     if (flags & RV_LUDUMP)
4765         newUpdateDate = tstatus.updateDate;
4766     else if (flags & RV_LUKEEP)
4767         newUpdateDate = oldUpdateDate;
4768     else
4769         newUpdateDate = time(0);
4770     code = AFSVolSetDate(toconn,totid, newCreateDate);
4771     if (code) {
4772         fprintf(STDERR, "Could not set the 'creation' date on %u\n", pvolid);
4773         error = code;
4774         goto refail;
4775     }
4776
4777     init_volintInfo(&vinfo);
4778     vinfo.creationDate = newCreateDate;
4779     vinfo.updateDate = newUpdateDate;
4780     code = AFSVolSetInfo(toconn, totid, &vinfo);
4781     if (code) {
4782         fprintf(STDERR, "Could not set the 'last updated' date on %u\n",
4783                 pvolid);
4784         error = code;
4785         goto refail;
4786     }
4787
4788     volflag = ((flags & RV_OFFLINE) ? VTOutOfService : 0);      /* off or on-line */
4789     code = AFSVolSetFlags(toconn, totid, volflag);
4790     if (code) {
4791         fprintf(STDERR, "Could not mark %lu online\n", (unsigned long)pvolid);
4792         error = code;
4793         goto refail;
4794     }
4795
4796 /* It isn't handled right in refail */
4797     code = AFSVolEndTrans(toconn, totid, &rcode);
4798     totid = 0;
4799     if (!code)
4800         code = rcode;
4801     if (code) {
4802         fprintf(STDERR, "Could not end transaction on %lu\n",
4803                 (unsigned long)pvolid);
4804         error = code;
4805         goto refail;
4806     }
4807
4808     fprintf(STDOUT, " done\n");
4809     fflush(STDOUT);
4810     if (!reuseID || (flags & RV_FULLRST)) {
4811         /* Volume was restored on the file server, update the
4812          * VLDB to reflect the change.
4813          */
4814         vcode = VLDB_GetEntryByID(pvolid, voltype, &entry);
4815         if (vcode && vcode != VL_NOENT && vcode != VL_ENTDELETED) {
4816             fprintf(STDERR,
4817                     "Could not fetch the entry for volume number %lu from VLDB \n",
4818                     (unsigned long)pvolid);
4819             error = vcode;
4820             goto refail;
4821         }
4822         if (!vcode)
4823             MapHostToNetwork(&entry);
4824         if (vcode == VL_NOENT) {        /* it doesnot exist already */
4825             /*make the vldb return this indication specifically */
4826             VPRINT("------- Creating a new VLDB entry ------- \n");
4827             strcpy(entry.name, tovolname);
4828             entry.nServers = 1;
4829             entry.serverNumber[0] = toserver;   /*should be indirect */
4830             entry.serverPartition[0] = topart;
4831             entry.serverFlags[0] = (flags & RV_RDONLY) ? VLSF_ROVOL : VLSF_RWVOL;
4832             entry.flags = (flags & RV_RDONLY) ? VLF_ROEXISTS : VLF_RWEXISTS;
4833             if (flags & RV_RDONLY)
4834                 entry.volumeId[ROVOL] = pvolid;
4835             else if (tstatus.cloneID != 0) {
4836                 entry.volumeId[ROVOL] = tstatus.cloneID;        /*this should come from status info on the volume if non zero */
4837             } else
4838                 entry.volumeId[ROVOL] = INVALID_BID;
4839             entry.volumeId[RWVOL] = pparentid;
4840             entry.cloneId = 0;
4841             if (tstatus.backupID != 0) {
4842                 entry.volumeId[BACKVOL] = tstatus.backupID;
4843                 /*this should come from status info on the volume if non zero */
4844             } else
4845                 entry.volumeId[BACKVOL] = INVALID_BID;
4846             MapNetworkToHost(&entry, &storeEntry);
4847             vcode = VLDB_CreateEntry(&storeEntry);
4848             if (vcode) {
4849                 fprintf(STDERR,
4850                         "Could not create the VLDB entry for volume number %lu  \n",
4851                         (unsigned long)pvolid);
4852                 error = vcode;
4853                 goto refail;
4854             }
4855             islocked = 0;
4856             if (verbose)
4857                 EnumerateEntry(&entry);
4858         } else {                /*update the existing entry */
4859             if (verbose) {
4860                 fprintf(STDOUT, "Updating the existing VLDB entry\n");
4861                 fprintf(STDOUT, "------- Old entry -------\n");
4862                 EnumerateEntry(&entry);
4863                 fprintf(STDOUT, "------- New entry -------\n");
4864             }
4865             vcode =
4866                 ubik_VL_SetLock(cstruct, 0, pvolid, voltype,
4867                           VLOP_RESTORE);
4868             if (vcode) {
4869                 fprintf(STDERR,
4870                         "Could not lock the entry for volume number %lu \n",
4871                         (unsigned long)pvolid);
4872                 error = vcode;
4873                 goto refail;
4874             }
4875             islocked = 1;
4876             strcpy(entry.name, tovolname);
4877
4878             /* Update the vlentry with the new information */
4879             if (flags & RV_RDONLY)
4880                 index = Lp_ROMatch(toserver, topart, &entry) - 1;
4881             else
4882                 index = Lp_GetRwIndex(&entry);
4883             if (index == -1) {
4884                 /* Add the new site for the volume being restored */
4885                 entry.serverNumber[entry.nServers] = toserver;
4886                 entry.serverPartition[entry.nServers] = topart;
4887                 entry.serverFlags[entry.nServers] =
4888                     (flags & RV_RDONLY) ? VLSF_ROVOL : VLSF_RWVOL;
4889                 entry.nServers++;
4890             } else {
4891                 /* This volume should be deleted on the old site
4892                  * if its different from new site.
4893                  */
4894                 same =
4895                     VLDB_IsSameAddrs(toserver, entry.serverNumber[index],
4896                                      &errcode);
4897                 if (errcode)
4898                     EPRINT2(errcode,
4899                             "Failed to get info about server's %d address(es) from vlserver (err=%d)\n",
4900                             toserver, errcode);
4901                 if ((!errcode && !same)
4902                     || (entry.serverPartition[index] != topart)) {
4903                     if (flags & RV_NODEL) {
4904                         VPRINT2
4905                             ("Not deleting the previous volume %u on server %s, ...",
4906                              pvolid,
4907                              noresolve ? afs_inet_ntoa_r(entry.serverNumber[index], hoststr) :
4908                              hostutil_GetNameByINet(entry.serverNumber[index]));
4909                     } else {
4910                         tempconn =
4911                             UV_Bind(entry.serverNumber[index],
4912                                     AFSCONF_VOLUMEPORT);
4913
4914                         MapPartIdIntoName(entry.serverPartition[index],
4915                                           apartName);
4916                         VPRINT3
4917                             ("Deleting the previous volume %u on server %s, partition %s ...",
4918                              pvolid,
4919                              noresolve ? afs_inet_ntoa_r(entry.serverNumber[index], hoststr) :
4920                              hostutil_GetNameByINet(entry.serverNumber[index]),
4921                              apartName);
4922                         code = DoVolDelete(tempconn, pvolid,
4923                                            entry.serverPartition[index],
4924                                            "the", 0, NULL, NULL);
4925                         if (code && code != VNOVOL) {
4926                             error = code;
4927                             goto refail;
4928                         }
4929                         MapPartIdIntoName(entry.serverPartition[index],
4930                                           partName);
4931                     }
4932                 }
4933                 entry.serverNumber[index] = toserver;
4934                 entry.serverPartition[index] = topart;
4935             }
4936
4937             entry.flags |= (flags & RV_RDONLY) ? VLF_ROEXISTS : VLF_RWEXISTS;
4938             MapNetworkToHost(&entry, &storeEntry);
4939             vcode =
4940                 VLDB_ReplaceEntry(pvolid, voltype, &storeEntry,
4941                                   LOCKREL_OPCODE | LOCKREL_AFSID |
4942                                   LOCKREL_TIMESTAMP);
4943             if (vcode) {
4944                 fprintf(STDERR,
4945                         "Could not update the entry for volume number %lu  \n",
4946                         (unsigned long)pvolid);
4947                 error = vcode;
4948                 goto refail;
4949             }
4950             islocked = 0;
4951             if (verbose)
4952                 EnumerateEntry(&entry);
4953         }
4954
4955
4956     }
4957   refail:
4958     if (tocall) {
4959         code = rx_EndCall(tocall, 0);
4960         if (!error)
4961             error = code;
4962     }
4963     if (islocked) {
4964         vcode =
4965             ubik_VL_ReleaseLock(cstruct, 0, pvolid, voltype,
4966                       LOCKREL_OPCODE | LOCKREL_AFSID | LOCKREL_TIMESTAMP);
4967         if (vcode) {
4968             fprintf(STDERR,
4969                     "Could not release lock on the VLDB entry for the volume %lu\n",
4970                     (unsigned long)pvolid);
4971             if (!error)
4972                 error = vcode;
4973         }
4974     }
4975     if (totid) {
4976         code = AFSVolEndTrans(toconn, totid, &rcode);
4977         if (!code)
4978             code = rcode;
4979         if (code) {
4980             fprintf(STDERR, "Could not end transaction on the volume %lu \n",
4981                     (unsigned long)pvolid);
4982             if (!error)
4983                 error = code;
4984         }
4985     }
4986     if (temptid) {
4987         code = AFSVolEndTrans(toconn, temptid, &rcode);
4988         if (!code)
4989             code = rcode;
4990         if (code) {
4991             fprintf(STDERR, "Could not end transaction on the volume %lu \n",
4992                     (unsigned long)pvolid);
4993             if (!error)
4994                 error = code;
4995         }
4996     }
4997     if (tempconn)
4998         rx_DestroyConnection(tempconn);
4999     if (toconn)
5000         rx_DestroyConnection(toconn);
5001     PrintError("", error);
5002     return error;
5003 }
5004
5005 int
5006 UV_RestoreVolume(afs_uint32 toserver, afs_int32 topart, afs_uint32 tovolid,
5007                  char tovolname[], int flags,
5008                  afs_int32(*WriteData) (struct rx_call *, void *),
5009                  void *rock)
5010 {
5011     return UV_RestoreVolume2(toserver, topart, tovolid, 0, tovolname, flags,
5012                              WriteData, rock);
5013 }
5014
5015
5016 /*unlocks the vldb entry associated with <volid> */
5017 int
5018 UV_LockRelease(afs_uint32 volid)
5019 {
5020     afs_int32 vcode;
5021
5022     VPRINT("Binding to the VLDB server\n");
5023     vcode =
5024         ubik_VL_ReleaseLock(cstruct, 0, volid, -1,
5025                   LOCKREL_OPCODE | LOCKREL_AFSID | LOCKREL_TIMESTAMP);
5026     if (vcode) {
5027         fprintf(STDERR,
5028                 "Could not unlock the entry for volume number %lu in VLDB \n",
5029                 (unsigned long)volid);
5030         PrintError("", vcode);
5031         return (vcode);
5032     }
5033     VPRINT("VLDB updated\n");
5034     return 0;
5035
5036 }
5037
5038 /* old interface to add rosites */
5039 int
5040 UV_AddSite(afs_uint32 server, afs_int32 part, afs_uint32 volid,
5041            afs_int32 valid)
5042 {
5043     return UV_AddSite2(server, part, volid, 0, valid);
5044 }
5045
5046 /*adds <server> and <part> as a readonly replication site for <volid>
5047 *in vldb */
5048 int
5049 UV_AddSite2(afs_uint32 server, afs_int32 part, afs_uint32 volid,
5050             afs_uint32 rovolid, afs_int32 valid)
5051 {
5052     int j, nro = 0, islocked = 0;
5053     struct nvldbentry entry, storeEntry, entry2;
5054     afs_int32 vcode, error = 0;
5055     char apartName[10];
5056
5057     error = ubik_VL_SetLock(cstruct, 0, volid, RWVOL, VLOP_ADDSITE);
5058     if (error) {
5059         fprintf(STDERR,
5060                 " Could not lock the VLDB entry for the volume %lu \n",
5061                 (unsigned long)volid);
5062         goto asfail;
5063     }
5064     islocked = 1;
5065
5066     error = VLDB_GetEntryByID(volid, RWVOL, &entry);
5067     if (error) {
5068         fprintf(STDERR,
5069                 "Could not fetch the VLDB entry for volume number %lu  \n",
5070                 (unsigned long)volid);
5071         goto asfail;
5072
5073     }
5074     if (!ISNAMEVALID(entry.name)) {
5075         fprintf(STDERR,
5076                 "Volume name %s is too long, rename before adding site\n",
5077                 entry.name);
5078         error = VOLSERBADOP;
5079         goto asfail;
5080     }
5081     MapHostToNetwork(&entry);
5082
5083     /* See if it's too many entries */
5084     if (entry.nServers >= NMAXNSERVERS) {
5085         fprintf(STDERR, "Total number of entries will exceed %u\n",
5086                 NMAXNSERVERS);
5087         error = VOLSERBADOP;
5088         goto asfail;
5089     }
5090
5091     /* See if it's on the same server */
5092     for (j = 0; j < entry.nServers; j++) {
5093         if (entry.serverFlags[j] & VLSF_ROVOL) {
5094             nro++;
5095             if (VLDB_IsSameAddrs(server, entry.serverNumber[j], &error)) {
5096                 if (error) {
5097                     fprintf(STDERR,
5098                             "Failed to get info about server's %d address(es) from vlserver (err=%d); aborting call!\n",
5099                             server, error);
5100                 } else {
5101                     MapPartIdIntoName(entry.serverPartition[j], apartName);
5102                     fprintf(STDERR,
5103                             "RO already exists on partition %s. Multiple ROs on a single server aren't allowed\n",
5104                             apartName);
5105                     error = VOLSERBADOP;
5106                 }
5107                 goto asfail;
5108             }
5109         }
5110     }
5111
5112     /* See if it's too many RO sites - leave one for the RW */
5113     if (nro >= NMAXNSERVERS - 1) {
5114         fprintf(STDERR, "Total number of sites will exceed %u\n",
5115                 NMAXNSERVERS - 1);
5116         error = VOLSERBADOP;
5117         goto asfail;
5118     }
5119
5120     /* if rovolid == 0, we leave the RO volume id alone. If the volume doesn't
5121      * have an RO volid at this point (i.e. entry.volumeId[ROVOL] ==
5122      * INVALID_BID) and we leave it alone, it gets an RO volid at release-time.
5123      */
5124     if (rovolid) {
5125         if (entry.volumeId[ROVOL] == INVALID_BID) {
5126             vcode = VLDB_GetEntryByID(rovolid, -1, &entry2);
5127             if (!vcode) {
5128                 fprintf(STDERR, "Volume ID %d already exists\n", rovolid);
5129                 return VVOLEXISTS;
5130             }
5131             VPRINT1("Using RO volume id %d.\n", rovolid);
5132             entry.volumeId[ROVOL] = rovolid;
5133         } else {
5134             fprintf(STDERR, "Ignoring given RO id %d, since volume already has RO id %d\n",
5135                 rovolid, entry.volumeId[ROVOL]);
5136         }
5137     }
5138
5139     VPRINT("Adding a new site ...");
5140     entry.serverNumber[entry.nServers] = server;
5141     entry.serverPartition[entry.nServers] = part;
5142     if (!valid) {
5143         entry.serverFlags[entry.nServers] = (VLSF_ROVOL | VLSF_DONTUSE);
5144     } else {
5145         entry.serverFlags[entry.nServers] = (VLSF_ROVOL);
5146     }
5147     entry.nServers++;
5148
5149     MapNetworkToHost(&entry, &storeEntry);
5150     error =
5151         VLDB_ReplaceEntry(volid, RWVOL, &storeEntry,
5152                           LOCKREL_OPCODE | LOCKREL_AFSID | LOCKREL_TIMESTAMP);
5153     if (error) {
5154         fprintf(STDERR, "Could not update entry for volume %lu \n",
5155                 (unsigned long)volid);
5156         goto asfail;
5157     }
5158     islocked = 0;
5159     VDONE;
5160
5161   asfail:
5162     if (islocked) {
5163         vcode =
5164             ubik_VL_ReleaseLock(cstruct, 0, volid, RWVOL,
5165                       LOCKREL_OPCODE | LOCKREL_AFSID | LOCKREL_TIMESTAMP);
5166         if (vcode) {
5167             fprintf(STDERR,
5168                     "Could not release lock on volume entry for %lu \n",
5169                     (unsigned long)volid);
5170             PrintError("", vcode);
5171         }
5172     }
5173
5174     PrintError("", error);
5175     return error;
5176 }
5177
5178 /*removes <server> <part> as read only site for <volid> from the vldb */
5179 int
5180 UV_RemoveSite(afs_uint32 server, afs_int32 part, afs_uint32 volid)
5181 {
5182     afs_int32 vcode;
5183     struct nvldbentry entry, storeEntry;
5184
5185     vcode = ubik_VL_SetLock(cstruct, 0, volid, RWVOL, VLOP_ADDSITE);
5186     if (vcode) {
5187         fprintf(STDERR, " Could not lock the VLDB entry for volume %lu \n",
5188                 (unsigned long)volid);
5189         PrintError("", vcode);
5190         return (vcode);
5191     }
5192     vcode = VLDB_GetEntryByID(volid, RWVOL, &entry);
5193     if (vcode) {
5194         fprintf(STDERR,
5195                 "Could not fetch the entry for volume number %lu from VLDB \n",
5196                 (unsigned long)volid);
5197         PrintError("", vcode);
5198         return (vcode);
5199     }
5200     MapHostToNetwork(&entry);
5201     if (!Lp_ROMatch(server, part, &entry)) {
5202         /*this site doesnot exist  */
5203         fprintf(STDERR, "This site is not a replication site \n");
5204         vcode =
5205             ubik_VL_ReleaseLock(cstruct, 0, volid, RWVOL,
5206                       LOCKREL_OPCODE | LOCKREL_AFSID | LOCKREL_TIMESTAMP);
5207         if (vcode) {
5208             fprintf(STDERR, "Could not update entry for volume %lu \n",
5209                     (unsigned long)volid);
5210             PrintError("", vcode);
5211             ubik_VL_ReleaseLock(cstruct, 0, volid, RWVOL,
5212                       LOCKREL_OPCODE | LOCKREL_AFSID | LOCKREL_TIMESTAMP);
5213             return (vcode);
5214         }
5215         return VOLSERBADOP;
5216     } else {                    /*remove the rep site */
5217         Lp_SetROValue(&entry, server, part, 0, 0);
5218         entry.nServers--;
5219         if ((entry.nServers == 1) && (entry.flags & VLF_RWEXISTS))
5220             entry.flags &= ~VLF_ROEXISTS;
5221         if (entry.nServers < 1) {       /*this is the last ref */
5222             VPRINT1("Deleting the VLDB entry for %u ...", volid);
5223             fflush(STDOUT);
5224             vcode = ubik_VL_DeleteEntry(cstruct, 0, volid, ROVOL);
5225             if (vcode) {
5226                 fprintf(STDERR,
5227                         "Could not delete VLDB entry for volume %lu \n",
5228                         (unsigned long)volid);
5229                 PrintError("", vcode);
5230                 return (vcode);
5231             }
5232             VDONE;
5233         }
5234         MapNetworkToHost(&entry, &storeEntry);
5235         fprintf(STDOUT, "Deleting the replication site for volume %lu ...",
5236                 (unsigned long)volid);
5237         fflush(STDOUT);
5238         vcode =
5239             VLDB_ReplaceEntry(volid, RWVOL, &storeEntry,
5240                               LOCKREL_OPCODE | LOCKREL_AFSID |
5241                               LOCKREL_TIMESTAMP);
5242         if (vcode) {
5243             fprintf(STDERR,
5244                     "Could not release lock on volume entry for %lu \n",
5245                     (unsigned long)volid);
5246             PrintError("", vcode);
5247             ubik_VL_ReleaseLock(cstruct, 0, volid, RWVOL,
5248                       LOCKREL_OPCODE | LOCKREL_AFSID | LOCKREL_TIMESTAMP);
5249             return (vcode);
5250         }
5251         VDONE;
5252     }
5253     return 0;
5254 }
5255
5256 /*sets <server> <part> as read/write site for <volid> in the vldb */
5257 int
5258 UV_ChangeLocation(afs_uint32 server, afs_int32 part, afs_uint32 volid)
5259 {
5260     afs_int32 vcode;
5261     struct nvldbentry entry, storeEntry;
5262     int index;
5263
5264     vcode = ubik_VL_SetLock(cstruct, 0, volid, RWVOL, VLOP_ADDSITE);
5265     if (vcode) {
5266         fprintf(STDERR, " Could not lock the VLDB entry for volume %lu \n",
5267                 (unsigned long)volid);
5268         PrintError("", vcode);
5269         return (vcode);
5270     }
5271     vcode = VLDB_GetEntryByID(volid, RWVOL, &entry);
5272     if (vcode) {
5273         fprintf(STDERR,
5274                 "Could not fetch the entry for volume number %lu from VLDB \n",
5275                 (unsigned long)volid);
5276         PrintError("", vcode);
5277         return (vcode);
5278     }
5279     MapHostToNetwork(&entry);
5280     index = Lp_GetRwIndex(&entry);
5281     if (index < 0) {
5282         /* no RW site exists  */
5283         fprintf(STDERR, "No existing RW site for volume %lu",
5284                 (unsigned long)volid);
5285         vcode =
5286             ubik_VL_ReleaseLock(cstruct, 0, volid, RWVOL,
5287                       LOCKREL_OPCODE | LOCKREL_AFSID | LOCKREL_TIMESTAMP);
5288         if (vcode) {
5289             fprintf(STDERR,
5290                     "Could not release lock on entry for volume %lu \n",
5291                     (unsigned long)volid);
5292             PrintError("", vcode);
5293             return (vcode);
5294         }
5295         return VOLSERBADOP;
5296     } else {                    /* change the RW site */
5297         entry.serverNumber[index] = server;
5298         entry.serverPartition[index] = part;
5299         MapNetworkToHost(&entry, &storeEntry);
5300         vcode =
5301             VLDB_ReplaceEntry(volid, RWVOL, &storeEntry,
5302                               LOCKREL_OPCODE | LOCKREL_AFSID |
5303                               LOCKREL_TIMESTAMP);
5304         if (vcode) {
5305             fprintf(STDERR, "Could not update entry for volume %lu \n",
5306                     (unsigned long)volid);
5307             PrintError("", vcode);
5308             ubik_VL_ReleaseLock(cstruct, 0, volid, RWVOL,
5309                       LOCKREL_OPCODE | LOCKREL_AFSID | LOCKREL_TIMESTAMP);
5310             return (vcode);
5311         }
5312         VDONE;
5313     }
5314     return 0;
5315 }
5316
5317 /*list all the partitions on <aserver> */
5318 int
5319 UV_ListPartitions(afs_uint32 aserver, struct partList *ptrPartList,
5320                   afs_int32 * cntp)
5321 {
5322     struct rx_connection *aconn;
5323     struct pIDs partIds;
5324     struct partEntries partEnts;
5325     int i, j = 0, code;
5326
5327     *cntp = 0;
5328     aconn = UV_Bind(aserver, AFSCONF_VOLUMEPORT);
5329
5330     partEnts.partEntries_len = 0;
5331     partEnts.partEntries_val = NULL;
5332     code = AFSVolXListPartitions(aconn, &partEnts);     /* this is available only on new servers */
5333     if (code == RXGEN_OPCODE) {
5334         for (i = 0; i < 26; i++)        /* try old interface */
5335             partIds.partIds[i] = -1;
5336         code = AFSVolListPartitions(aconn, &partIds);
5337         if (!code) {
5338             for (i = 0; i < 26; i++) {
5339                 if ((partIds.partIds[i]) != -1) {
5340                     ptrPartList->partId[j] = partIds.partIds[i];
5341                     ptrPartList->partFlags[j] = PARTVALID;
5342                     j++;
5343                 } else
5344                     ptrPartList->partFlags[i] = 0;
5345             }
5346             *cntp = j;
5347         }
5348     } else if (!code) {
5349         *cntp = partEnts.partEntries_len;
5350         if (*cntp > VOLMAXPARTS) {
5351             fprintf(STDERR,
5352                     "Warning: number of partitions on the server too high %d (process only %d)\n",
5353                     *cntp, VOLMAXPARTS);
5354             *cntp = VOLMAXPARTS;
5355         }
5356         for (i = 0; i < *cntp; i++) {
5357             ptrPartList->partId[i] = partEnts.partEntries_val[i];
5358             ptrPartList->partFlags[i] = PARTVALID;
5359         }
5360         free(partEnts.partEntries_val);
5361     }
5362
5363    /* out: */
5364     if (code)
5365         fprintf(STDERR,
5366                 "Could not fetch the list of partitions from the server\n");
5367     PrintError("", code);
5368     if (aconn)
5369         rx_DestroyConnection(aconn);
5370     return code;
5371 }
5372
5373
5374 /*zap the list of volumes specified by volPtrArray (the volCloneId field).
5375  This is used by the backup system */
5376 int
5377 UV_ZapVolumeClones(afs_uint32 aserver, afs_int32 apart,
5378                    struct volDescription *volPtr, afs_int32 arraySize)
5379 {
5380     struct rx_connection *aconn;
5381     struct volDescription *curPtr;
5382     int curPos;
5383     afs_int32 code = 0;
5384     afs_int32 success = 1;
5385
5386     aconn = UV_Bind(aserver, AFSCONF_VOLUMEPORT);
5387     curPos = 0;
5388     for (curPtr = volPtr; curPos < arraySize; curPtr++) {
5389         if (curPtr->volFlags & CLONEVALID) {
5390             curPtr->volFlags &= ~CLONEZAPPED;
5391             success = 1;
5392
5393             code = DoVolDelete(aconn, curPtr->volCloneId, apart,
5394                                "clone", 0, NULL, NULL);
5395             if (code)
5396                 success = 0;
5397
5398             if (success)
5399                 curPtr->volFlags |= CLONEZAPPED;
5400             if (!success)
5401                 fprintf(STDERR, "Could not zap volume %lu\n",
5402                         (unsigned long)curPtr->volCloneId);
5403             if (success)
5404                 VPRINT2("Clone of %s %u deleted\n", curPtr->volName,
5405                         curPtr->volCloneId);
5406             curPos++;
5407         }
5408     }
5409     if (aconn)
5410         rx_DestroyConnection(aconn);
5411     return 0;
5412 }
5413
5414 /*return a list of clones of the volumes specified by volPtrArray. Used by the
5415  backup system */
5416 int
5417 UV_GenerateVolumeClones(afs_uint32 aserver, afs_int32 apart,
5418                         struct volDescription *volPtr, afs_int32 arraySize)
5419 {
5420     struct rx_connection *aconn;
5421     struct volDescription *curPtr;
5422     int curPos;
5423     afs_int32 code = 0;
5424     afs_int32 rcode = 0;
5425     afs_int32 tid;
5426     int reuseCloneId = 0;
5427     afs_uint32 curCloneId = 0;
5428     char cloneName[256];        /*max vol name */
5429
5430     aconn = UV_Bind(aserver, AFSCONF_VOLUMEPORT);
5431     curPos = 0;
5432     if ((volPtr->volFlags & REUSECLONEID) && (volPtr->volFlags & ENTRYVALID))
5433         reuseCloneId = 1;
5434     else {                      /*get a bunch of id's from vldb */
5435         code =
5436             ubik_VL_GetNewVolumeId(cstruct, 0, arraySize, &curCloneId);
5437         if (code) {
5438             fprintf(STDERR, "Could not get ID's for the clone from VLDB\n");
5439             PrintError("", code);
5440             return code;
5441         }
5442     }
5443
5444     for (curPtr = volPtr; curPos < arraySize; curPtr++) {
5445         if (curPtr->volFlags & ENTRYVALID) {
5446
5447             curPtr->volFlags |= CLONEVALID;
5448             /*make a clone of curParentId and record as curPtr->volCloneId */
5449             code =
5450                 AFSVolTransCreate_retry(aconn, curPtr->volId, apart, ITOffline,
5451                                   &tid);
5452             if (code)
5453                 VPRINT2("Clone for volume %s %u failed \n", curPtr->volName,
5454                         curPtr->volId);
5455             if (code) {
5456                 curPtr->volFlags &= ~CLONEVALID;        /*cant clone */
5457                 curPos++;
5458                 continue;
5459             }
5460             if (strlen(curPtr->volName) < (VOLSER_OLDMAXVOLNAME - 9)) {
5461                 strcpy(cloneName, curPtr->volName);
5462                 strcat(cloneName, "-tmpClone-");
5463             } else
5464                 strcpy(cloneName, "-tmpClone");
5465             if (reuseCloneId) {
5466                 curPtr->volCloneId = curCloneId;
5467                 curCloneId++;
5468             }
5469
5470             code =
5471                 AFSVolClone(aconn, tid, 0, readonlyVolume, cloneName,
5472                             &(curPtr->volCloneId));
5473             if (code) {
5474                 curPtr->volFlags &= ~CLONEVALID;
5475                 curPos++;
5476                 fprintf(STDERR, "Could not clone %s due to error %lu\n",
5477                         curPtr->volName, (unsigned long)code);
5478                 code = AFSVolEndTrans(aconn, tid, &rcode);
5479                 if (code)
5480                     fprintf(STDERR, "WARNING: could not end transaction\n");
5481                 continue;
5482             }
5483             VPRINT2("********** Cloned %s temporary %u\n", cloneName,
5484                     curPtr->volCloneId);
5485             code = AFSVolEndTrans(aconn, tid, &rcode);
5486             if (code || rcode) {
5487                 curPtr->volFlags &= ~CLONEVALID;
5488                 curPos++;
5489                 continue;
5490             }
5491
5492             curPos++;
5493         }
5494     }
5495     if (aconn)
5496         rx_DestroyConnection(aconn);
5497     return 0;
5498 }
5499
5500
5501 /*list all the volumes on <aserver> and <apart>. If all = 1, then all the
5502 * relevant fields of the volume are also returned. This is a heavy weight operation.*/
5503 int
5504 UV_ListVolumes(afs_uint32 aserver, afs_int32 apart, int all,
5505                struct volintInfo **resultPtr, afs_int32 * size)
5506 {
5507     struct rx_connection *aconn;
5508     afs_int32 code = 0;
5509     volEntries volumeInfo;
5510
5511     *size = 0;
5512     *resultPtr = (volintInfo *) 0;
5513     volumeInfo.volEntries_val = (volintInfo *) 0;       /*this hints the stub to allocate space */
5514     volumeInfo.volEntries_len = 0;
5515
5516     aconn = UV_Bind(aserver, AFSCONF_VOLUMEPORT);
5517     code = AFSVolListVolumes(aconn, apart, all, &volumeInfo);
5518     if (code) {
5519         fprintf(STDERR,
5520                 "Could not fetch the list of volumes from the server\n");
5521     } else {
5522         *resultPtr = volumeInfo.volEntries_val;
5523         *size = volumeInfo.volEntries_len;
5524     }
5525
5526     if (aconn)
5527         rx_DestroyConnection(aconn);
5528     PrintError("", code);
5529     return code;
5530 }
5531
5532 /*------------------------------------------------------------------------
5533  * EXPORTED UV_XListVolumes
5534  *
5535  * Description:
5536  *      List the extended information for all the volumes on a particular
5537  *      File Server and partition.  We may either return the volume's ID
5538  *      or all of its extended information.
5539  *
5540  * Arguments:
5541  *      a_serverID         : Address of the File Server for which we want
5542  *                              extended volume info.
5543  *      a_partID           : Partition for which we want the extended
5544  *                              volume info.
5545  *      a_all              : If non-zero, fetch ALL the volume info,
5546  *                              otherwise just the volume ID.
5547  *      a_resultPP         : Ptr to the address of the area containing
5548  *                              the returned volume info.
5549  *      a_numEntsInResultP : Ptr for the value we set for the number of
5550  *                              entries returned.
5551  *
5552  * Returns:
5553  *      0 on success,
5554  *      Otherise, the return value of AFSVolXListVolumes.
5555  *
5556  * Environment:
5557  *      This routine is closely related to UV_ListVolumes, which returns
5558  *      only the standard level of detail on AFS volumes. It is a
5559  *      heavyweight operation, zipping through all the volume entries for
5560  *      a given server/partition.
5561  *
5562  * Side Effects:
5563  *      As advertised.
5564  *------------------------------------------------------------------------*/
5565
5566 int
5567 UV_XListVolumes(afs_uint32 a_serverID, afs_int32 a_partID, int a_all,
5568                 struct volintXInfo **a_resultPP,
5569                 afs_int32 * a_numEntsInResultP)
5570 {
5571     struct rx_connection *rxConnP;      /*Ptr to the Rx connection involved */
5572     afs_int32 code;             /*Error code to return */
5573     volXEntries volumeXInfo;    /*Area for returned extended vol info */
5574
5575     /*
5576      * Set up our error code and the area for returned extended volume info.
5577      * We set the val field to a null pointer as a hint for the stub to
5578      * allocate space.
5579      */
5580     *a_numEntsInResultP = 0;
5581     *a_resultPP = (volintXInfo *) 0;
5582     volumeXInfo.volXEntries_val = (volintXInfo *) 0;
5583     volumeXInfo.volXEntries_len = 0;
5584
5585     /*
5586      * Bind to the Volume Server port on the File Server machine in question,
5587      * then go for it.
5588      */
5589     rxConnP = UV_Bind(a_serverID, AFSCONF_VOLUMEPORT);
5590     code = AFSVolXListVolumes(rxConnP, a_partID, a_all, &volumeXInfo);
5591     if (code)
5592         fprintf(STDERR, "[UV_XListVolumes] Couldn't fetch volume list\n");
5593     else {
5594         /*
5595          * We got the info; pull out the pointer to where the results lie
5596          * and how many entries are there.
5597          */
5598         *a_resultPP = volumeXInfo.volXEntries_val;
5599         *a_numEntsInResultP = volumeXInfo.volXEntries_len;
5600     }
5601
5602     /*
5603      * If we got an Rx connection, throw it away.
5604      */
5605     if (rxConnP)
5606         rx_DestroyConnection(rxConnP);
5607
5608     PrintError("", code);
5609     return (code);
5610 }                               /*UV_XListVolumes */
5611
5612 /* get all the information about volume <volid> on <aserver> and <apart> */
5613 int
5614 UV_ListOneVolume(afs_uint32 aserver, afs_int32 apart, afs_uint32 volid,
5615                  struct volintInfo **resultPtr)
5616 {
5617     struct rx_connection *aconn;
5618     afs_int32 code = 0;
5619     volEntries volumeInfo;
5620
5621     *resultPtr = (volintInfo *) 0;
5622     volumeInfo.volEntries_val = (volintInfo *) 0;       /*this hints the stub to allocate space */
5623     volumeInfo.volEntries_len = 0;
5624
5625     aconn = UV_Bind(aserver, AFSCONF_VOLUMEPORT);
5626     code = AFSVolListOneVolume(aconn, apart, volid, &volumeInfo);
5627     if (code) {
5628         fprintf(STDERR,
5629                 "Could not fetch the information about volume %lu from the server\n",
5630                 (unsigned long)volid);
5631     } else {
5632         *resultPtr = volumeInfo.volEntries_val;
5633
5634     }
5635
5636     if (aconn)
5637         rx_DestroyConnection(aconn);
5638     PrintError("", code);
5639     return code;
5640 }
5641
5642 /*------------------------------------------------------------------------
5643  * EXPORTED UV_XListOneVolume
5644  *
5645  * Description:
5646  *      List the extended information for a volume on a particular File
5647  *      Server and partition.
5648  *
5649  * Arguments:
5650  *      a_serverID         : Address of the File Server for which we want
5651  *                              extended volume info.
5652  *      a_partID           : Partition for which we want the extended
5653  *                              volume info.
5654  *      a_volID            : Volume ID for which we want the info.
5655  *      a_resultPP         : Ptr to the address of the area containing
5656  *                              the returned volume info.
5657  *
5658  * Returns:
5659  *      0 on success,
5660  *      Otherise, the return value of AFSVolXListOneVolume.
5661  *
5662  * Environment:
5663  *      This routine is closely related to UV_ListOneVolume, which returns
5664  *      only the standard level of detail on the chosen AFS volume.
5665  *
5666  * Side Effects:
5667  *      As advertised.
5668  *------------------------------------------------------------------------*/
5669
5670 int
5671 UV_XListOneVolume(afs_uint32 a_serverID, afs_int32 a_partID, afs_uint32 a_volID,
5672                   struct volintXInfo **a_resultPP)
5673 {
5674     struct rx_connection *rxConnP;      /*Rx connection to Volume Server */
5675     afs_int32 code;             /*Error code */
5676     volXEntries volumeXInfo;    /*Area for returned info */
5677
5678     /*
5679      * Set up our error code, and the area we're in which we are returning
5680      * the info.  Setting the val field to a null pointer tells the stub
5681      * to allocate space for us.
5682      */
5683     *a_resultPP = (volintXInfo *) 0;
5684     volumeXInfo.volXEntries_val = (volintXInfo *) 0;
5685     volumeXInfo.volXEntries_len = 0;
5686
5687     /*
5688      * Bind to the Volume Server port on the File Server machine in question,
5689      * then go for it.
5690      */
5691     rxConnP = UV_Bind(a_serverID, AFSCONF_VOLUMEPORT);
5692     code = AFSVolXListOneVolume(rxConnP, a_partID, a_volID, &volumeXInfo);
5693     if (code)
5694         fprintf(STDERR,
5695                 "[UV_XListOneVolume] Couldn't fetch the volume information\n");
5696     else
5697         /*
5698          * We got the info; pull out the pointer to where the results lie.
5699          */
5700         *a_resultPP = volumeXInfo.volXEntries_val;
5701
5702     /*
5703      * If we got an Rx connection, throw it away.
5704      */
5705     if (rxConnP)
5706         rx_DestroyConnection(rxConnP);
5707
5708     PrintError("", code);
5709     return code;
5710 }
5711
5712 /* CheckVolume()
5713  *    Given a volume we read from a partition, check if it is
5714  *    represented in the VLDB correctly.
5715  *
5716  *    The VLDB is looked up by the RW volume id (not its name).
5717  *    The RW contains the true name of the volume (BK and RO set
5718  *       the name in the VLDB only on creation of the VLDB entry).
5719  *    We want rules strict enough that when we check all volumes
5720  *       on one partition, it does not need to be done again. IE:
5721  *       two volumes on different partitions won't constantly
5722  *       change a VLDB entry away from what the other set.
5723  *    For RW and BK volumes, we will always check the VLDB to see
5724  *       if the two exist on the server/partition. May seem redundant,
5725  *       but this is an easy check of the VLDB. IE: if the VLDB entry
5726  *       says the BK exists but no BK volume is there, we will detect
5727  *       this when we check the RW volume.
5728  *    VLDB entries are locked only when a change needs to be done.
5729  *    Output changed to look a lot like the "vos syncserv" otuput.
5730  */
5731 static afs_int32
5732 CheckVolume(volintInfo * volumeinfo, afs_uint32 aserver, afs_int32 apart,
5733             afs_int32 * modentry, afs_uint32 * maxvolid,
5734             struct nvldbentry *aentry)
5735 {
5736     int idx = 0;
5737     int j;
5738     afs_int32 code, error = 0;
5739     struct nvldbentry entry, storeEntry;
5740     char pname[10];
5741     int pass = 0, createentry, addvolume, modified, mod, doit = 1;
5742     afs_uint32 rwvolid;
5743     char hoststr[16];
5744
5745     if (modentry) {
5746         if (*modentry == 1)
5747             doit = 0;
5748         *modentry = 0;
5749     }
5750     rwvolid =
5751         ((volumeinfo->type ==
5752           RWVOL) ? volumeinfo->volid : volumeinfo->parentID);
5753
5754   retry:
5755     /* Check to see if the VLDB is ok without locking it (pass 1).
5756      * If it will change, then lock the VLDB entry, read it again,
5757      * then make the changes to it (pass 2).
5758      */
5759     if (++pass == 2) {
5760         code = ubik_VL_SetLock(cstruct, 0, rwvolid, RWVOL, VLOP_DELETE);
5761         if (code) {
5762             fprintf(STDERR, "Could not lock VLDB entry for %lu\n",
5763                     (unsigned long)rwvolid);
5764             ERROR_EXIT(code);
5765         }
5766     }
5767
5768     createentry = 0;            /* Do we need to create a VLDB entry */
5769     addvolume = 0;              /* Add this volume to the VLDB entry */
5770     modified = 0;               /* The VLDB entry was modified */
5771
5772     if (aentry) {
5773         memcpy(&entry, aentry, sizeof(entry));
5774     } else {
5775         /* Read the entry from VLDB by its RW volume id */
5776         code = VLDB_GetEntryByID(rwvolid, RWVOL, &entry);
5777         if (code) {
5778             if (code != VL_NOENT) {
5779                 fprintf(STDOUT,
5780                         "Could not retrieve the VLDB entry for volume %lu \n",
5781                         (unsigned long)rwvolid);
5782                 ERROR_EXIT(code);
5783             }
5784
5785             memset(&entry, 0, sizeof(entry));
5786             vsu_ExtractName(entry.name, volumeinfo->name);      /* Store name of RW */
5787
5788             createentry = 1;
5789         } else {
5790             MapHostToNetwork(&entry);
5791         }
5792     }
5793
5794     if (verbose && (pass == 1)) {
5795         fprintf(STDOUT, "_______________________________\n");
5796         fprintf(STDOUT, "\n-- status before -- \n");
5797         if (createentry) {
5798             fprintf(STDOUT, "\n**does not exist**\n");
5799         } else {
5800             if ((entry.flags & VLF_RWEXISTS) || (entry.flags & VLF_ROEXISTS)
5801                 || (entry.flags & VLF_BACKEXISTS))
5802                 EnumerateEntry(&entry);
5803         }
5804         fprintf(STDOUT, "\n");
5805     }
5806
5807     if (volumeinfo->type == RWVOL) {    /* RW volume exists */
5808         if (createentry) {
5809             idx = 0;
5810             entry.nServers = 1;
5811             addvolume++;
5812         } else {
5813             /* Check existence of RW and BK volumes */
5814             code = CheckVldbRWBK(&entry, &mod);
5815             if (code)
5816                 ERROR_EXIT(code);
5817             if (mod)
5818                 modified++;
5819
5820             idx = Lp_GetRwIndex(&entry);
5821             if (idx == -1) {    /* RW index not found in the VLDB entry */
5822                 idx = entry.nServers;   /* put it into next index */
5823                 entry.nServers++;
5824                 addvolume++;
5825             } else {            /* RW index found in the VLDB entry. */
5826                 /* Verify if this volume's location matches where the VLDB says it is */
5827                 if (!Lp_Match(aserver, apart, &entry)) {
5828                     if (entry.flags & VLF_RWEXISTS) {
5829                         /* The RW volume exists elsewhere - report this one a duplicate */
5830                         if (pass == 1) {
5831                             MapPartIdIntoName(apart, pname);
5832                             fprintf(STDERR,
5833                                     "*** Warning: Orphaned RW volume %lu exists on %s %s\n",
5834                                     (unsigned long)rwvolid,
5835                                     noresolve ?
5836                                     afs_inet_ntoa_r(aserver, hoststr) :
5837                                     hostutil_GetNameByINet(aserver), pname);
5838                             MapPartIdIntoName(entry.serverPartition[idx],
5839                                               pname);
5840                             fprintf(STDERR,
5841                                     "    VLDB reports RW volume %lu exists on %s %s\n",
5842                                     (unsigned long)rwvolid,
5843                                     noresolve ?
5844                                     afs_inet_ntoa_r(entry.serverNumber[idx], hoststr) :
5845                                     hostutil_GetNameByINet(entry.
5846                                                            serverNumber[idx]),
5847                                     pname);
5848                         }
5849                     } else {
5850                         /* The RW volume does not exist - have VLDB point to this one */
5851                         addvolume++;
5852
5853                         /* Check for orphaned BK volume on old partition */
5854                         if (entry.flags & VLF_BACKEXISTS) {
5855                             if (pass == 1) {
5856                                 MapPartIdIntoName(entry.serverPartition[idx],
5857                                                   pname);
5858                                 fprintf(STDERR,
5859                                         "*** Warning: Orphaned BK volume %u exists on %s %s\n",
5860                                         entry.volumeId[BACKVOL],
5861                                         noresolve ?
5862                                         afs_inet_ntoa_r(entry.serverNumber[idx], hoststr) :
5863                                         hostutil_GetNameByINet(entry.
5864                                                                serverNumber
5865                                                                [idx]), pname);
5866                                 MapPartIdIntoName(apart, pname);
5867                                 fprintf(STDERR,
5868                                         "    VLDB reports its RW volume %lu exists on %s %s\n",
5869                                         (unsigned long)rwvolid,
5870                                         noresolve ?
5871                                         afs_inet_ntoa_r(aserver, hoststr) :
5872                                         hostutil_GetNameByINet(aserver),
5873                                         pname);
5874                             }
5875                         }
5876                     }
5877                 } else {
5878                     /* Volume location matches the VLDB location */
5879                     if ((volumeinfo->backupID && !entry.volumeId[BACKVOL])
5880                         || (volumeinfo->cloneID && !entry.volumeId[ROVOL])
5881                         ||
5882                         (strncmp
5883                          (entry.name, volumeinfo->name,
5884                           VOLSER_OLDMAXVOLNAME) != 0)) {
5885                         addvolume++;
5886                     }
5887                 }
5888             }
5889         }
5890
5891         if (addvolume) {
5892             entry.flags |= VLF_RWEXISTS;
5893             entry.volumeId[RWVOL] = rwvolid;
5894             if (!entry.volumeId[BACKVOL])
5895                 entry.volumeId[BACKVOL] = volumeinfo->backupID;
5896             if (!entry.volumeId[ROVOL])
5897                 entry.volumeId[ROVOL] = volumeinfo->cloneID;
5898
5899             entry.serverFlags[idx] = VLSF_RWVOL;
5900             entry.serverNumber[idx] = aserver;
5901             entry.serverPartition[idx] = apart;
5902             strncpy(entry.name, volumeinfo->name, VOLSER_OLDMAXVOLNAME);
5903
5904             modified++;
5905
5906             /* One last check - to update BK if need to */
5907             code = CheckVldbRWBK(&entry, &mod);
5908             if (code)
5909                 ERROR_EXIT(code);
5910             if (mod)
5911                 modified++;
5912         }
5913     }
5914
5915     else if (volumeinfo->type == BACKVOL) {     /* A BK volume */
5916         if (createentry) {
5917             idx = 0;
5918             entry.nServers = 1;
5919             addvolume++;
5920         } else {
5921             /* Check existence of RW and BK volumes */
5922             code = CheckVldbRWBK(&entry, &mod);
5923             if (code)
5924                 ERROR_EXIT(code);
5925             if (mod)
5926                 modified++;
5927
5928             idx = Lp_GetRwIndex(&entry);
5929             if (idx == -1) {    /* RW index not found in the VLDB entry */
5930                 idx = entry.nServers;   /* Put it into next index */
5931                 entry.nServers++;
5932                 addvolume++;
5933             } else {            /* RW index found in the VLDB entry */
5934                 /* Verify if this volume's location matches where the VLDB says it is */
5935                 if (!Lp_Match(aserver, apart, &entry)) {
5936                     /* VLDB says RW and/or BK is elsewhere - report this BK volume orphaned */
5937                     if (pass == 1) {
5938                         MapPartIdIntoName(apart, pname);
5939                         fprintf(STDERR,
5940                                 "*** Warning: Orphaned BK volume %lu exists on %s %s\n",
5941                                 (unsigned long)volumeinfo->volid,
5942                                 noresolve ?
5943                                 afs_inet_ntoa_r(aserver, hoststr) :
5944                                 hostutil_GetNameByINet(aserver), pname);
5945                         MapPartIdIntoName(entry.serverPartition[idx], pname);
5946                         fprintf(STDERR,
5947                                 "    VLDB reports its RW/BK volume %lu exists on %s %s\n",
5948                                 (unsigned long)rwvolid,
5949                                 noresolve ?
5950                                 afs_inet_ntoa_r(entry.serverNumber[idx], hoststr) :
5951                                 hostutil_GetNameByINet(entry.
5952                                                        serverNumber[idx]),
5953                                 pname);
5954                     }
5955                 } else {
5956                     if (volumeinfo->volid != entry.volumeId[BACKVOL]) {
5957                         if (!(entry.flags & VLF_BACKEXISTS)) {
5958                             addvolume++;
5959                         } else if (volumeinfo->volid >
5960                                    entry.volumeId[BACKVOL]) {
5961                             addvolume++;
5962
5963                             if (pass == 1) {
5964                                 MapPartIdIntoName(entry.serverPartition[idx],
5965                                                   pname);
5966                                 fprintf(STDERR,
5967                                         "*** Warning: Orphaned BK volume %u exists on %s %s\n",
5968                                         entry.volumeId[BACKVOL],
5969                                         noresolve ?
5970                                         afs_inet_ntoa_r(aserver, hoststr) :
5971                                         hostutil_GetNameByINet(aserver),
5972                                         pname);
5973                                 fprintf(STDERR,
5974                                         "    VLDB reports its BK volume ID is %lu\n",
5975                                         (unsigned long)volumeinfo->volid);
5976                             }
5977                         } else {
5978                             if (pass == 1) {
5979                                 MapPartIdIntoName(entry.serverPartition[idx],
5980                                                   pname);
5981                                 fprintf(STDERR,
5982                                         "*** Warning: Orphaned BK volume %lu exists on %s %s\n",
5983                                         (unsigned long)volumeinfo->volid,
5984                                         noresolve ?
5985                                         afs_inet_ntoa_r(aserver, hoststr) :
5986                                         hostutil_GetNameByINet(aserver),
5987                                         pname);
5988                                 fprintf(STDERR,
5989                                         "    VLDB reports its BK volume ID is %u\n",
5990                                         entry.volumeId[BACKVOL]);
5991                             }
5992                         }
5993                     } else if (!entry.volumeId[BACKVOL]) {
5994                         addvolume++;
5995                     }
5996                 }
5997             }
5998         }
5999         if (addvolume) {
6000             entry.flags |= VLF_BACKEXISTS;
6001             entry.volumeId[RWVOL] = rwvolid;
6002             entry.volumeId[BACKVOL] = volumeinfo->volid;
6003
6004             entry.serverNumber[idx] = aserver;
6005             entry.serverPartition[idx] = apart;
6006             entry.serverFlags[idx] = VLSF_RWVOL;
6007
6008             modified++;
6009         }
6010     }
6011
6012     else if (volumeinfo->type == ROVOL) {       /* A RO volume */
6013         if (volumeinfo->volid == entry.volumeId[ROVOL]) {
6014             /* This is a quick check to see if the RO entry exists in the
6015              * VLDB so we avoid the CheckVldbRO() call (which checks if each
6016              * RO volume listed in the VLDB exists).
6017              */
6018             idx = Lp_ROMatch(aserver, apart, &entry) - 1;
6019             if (idx == -1) {
6020                 idx = entry.nServers;
6021                 entry.nServers++;
6022                 addvolume++;
6023             } else {
6024                 if (!(entry.flags & VLF_ROEXISTS)) {
6025                     addvolume++;
6026                 }
6027             }
6028         } else {
6029             /* Before we correct the VLDB entry, make sure all the
6030              * ROs listed in the VLDB exist.
6031              */
6032             code = CheckVldbRO(&entry, &mod);
6033             if (code)
6034                 ERROR_EXIT(code);
6035             if (mod)
6036                 modified++;
6037
6038             if (!(entry.flags & VLF_ROEXISTS)) {
6039                 /* No RO exists in the VLDB entry - add this one */
6040                 idx = entry.nServers;
6041                 entry.nServers++;
6042                 addvolume++;
6043             } else if (volumeinfo->volid > entry.volumeId[ROVOL]) {
6044                 /* The volume headers's RO ID does not match that in the VLDB entry,
6045                  * and the vol hdr's ID is greater (implies more recent). So delete
6046                  * all the RO volumes listed in VLDB entry and add this volume.
6047                  */
6048                 for (j = 0; j < entry.nServers; j++) {
6049                     if (entry.serverFlags[j] & VLSF_ROVOL) {
6050                         /* Verify this volume exists and print message we are orphaning it */
6051                         if (pass == 1) {
6052                             MapPartIdIntoName(apart, pname);
6053                             fprintf(STDERR,
6054                                     "*** Warning: Orphaned RO volume %u exists on %s %s\n",
6055                                     entry.volumeId[ROVOL],
6056                                     noresolve ?
6057                                     afs_inet_ntoa_r(entry.serverNumber[j], hoststr) :
6058                                     hostutil_GetNameByINet(entry.
6059                                                            serverNumber[j]),
6060                                     pname);
6061                             fprintf(STDERR,
6062                                     "    VLDB reports its RO volume ID is %lu\n",
6063                                     (unsigned long)volumeinfo->volid);
6064                         }
6065
6066                         Lp_SetRWValue(&entry, entry.serverNumber[idx],
6067                                       entry.serverPartition[idx], 0L, 0L);
6068                         entry.nServers--;
6069                         modified++;
6070                         j--;
6071                     }
6072                 }
6073
6074                 idx = entry.nServers;
6075                 entry.nServers++;
6076                 addvolume++;
6077             } else if (volumeinfo->volid < entry.volumeId[ROVOL]) {
6078                 /* The volume headers's RO ID does not match that in the VLDB entry,
6079                  * and the vol hdr's ID is lower (implies its older). So orphan it.
6080                  */
6081                 if (pass == 1) {
6082                     MapPartIdIntoName(apart, pname);
6083                     fprintf(STDERR,
6084                             "*** Warning: Orphaned RO volume %lu exists on %s %s\n",
6085                             (unsigned long)volumeinfo->volid,
6086                             noresolve ?
6087                             afs_inet_ntoa_r(aserver, hoststr) :
6088                             hostutil_GetNameByINet(aserver), pname);
6089                     fprintf(STDERR,
6090                             "    VLDB reports its RO volume ID is %u\n",
6091                             entry.volumeId[ROVOL]);
6092                 }
6093             } else {
6094                 /* The RO volume ID in the volume header match that in the VLDB entry,
6095                  * and there exist RO volumes in the VLDB entry. See if any of them
6096                  * are this one. If not, then we add it.
6097                  */
6098                 idx = Lp_ROMatch(aserver, apart, &entry) - 1;
6099                 if (idx == -1) {
6100                     idx = entry.nServers;
6101                     entry.nServers++;
6102                     addvolume++;
6103                 }
6104             }
6105         }
6106
6107         if (addvolume) {
6108             entry.flags |= VLF_ROEXISTS;
6109             entry.volumeId[RWVOL] = rwvolid;
6110             entry.volumeId[ROVOL] = volumeinfo->volid;
6111
6112             entry.serverNumber[idx] = aserver;
6113             entry.serverPartition[idx] = apart;
6114             entry.serverFlags[idx] = VLSF_ROVOL;
6115
6116             modified++;
6117         }
6118     }
6119
6120     /* Remember largest volume id */
6121     if (entry.volumeId[ROVOL] > *maxvolid)
6122         *maxvolid = entry.volumeId[ROVOL];
6123     if (entry.volumeId[BACKVOL] > *maxvolid)
6124         *maxvolid = entry.volumeId[BACKVOL];
6125     if (entry.volumeId[RWVOL] > *maxvolid)
6126         *maxvolid = entry.volumeId[RWVOL];
6127
6128     if (modified && doit) {
6129         MapNetworkToHost(&entry, &storeEntry);
6130
6131         if (createentry) {
6132             code = VLDB_CreateEntry(&storeEntry);
6133             if (code) {
6134                 fprintf(STDOUT,
6135                         "Could not create a VLDB entry for the volume %lu\n",
6136                         (unsigned long)rwvolid);
6137                 ERROR_EXIT(code);
6138             }
6139         } else {
6140             if (pass == 1)
6141                 goto retry;
6142             code =
6143                 VLDB_ReplaceEntry(rwvolid, RWVOL, &storeEntry,
6144                                   LOCKREL_OPCODE | LOCKREL_AFSID |
6145                                   LOCKREL_TIMESTAMP);
6146             if (code) {
6147                 fprintf(STDERR, "Could not update entry for %lu\n",
6148                         (unsigned long)rwvolid);
6149                 ERROR_EXIT(code);
6150             }
6151         }
6152     } else if (pass == 2) {
6153         code =
6154             ubik_VL_ReleaseLock(cstruct, 0, rwvolid, RWVOL,
6155                       LOCKREL_OPCODE | LOCKREL_AFSID | LOCKREL_TIMESTAMP);
6156         if (code) {
6157             PrintError("Could not unlock VLDB entry ", code);
6158         }
6159     }
6160
6161     if (modified && modentry) {
6162         *modentry = 1;
6163     }
6164
6165     if (aentry) {
6166         memcpy(aentry, &entry, sizeof(entry));
6167     }
6168
6169     if (verbose) {
6170         fprintf(STDOUT, "-- status after --\n");
6171         if (modified)
6172             EnumerateEntry(&entry);
6173         else
6174             fprintf(STDOUT, "\n**no change**\n");
6175     }
6176
6177   error_exit:
6178     VPRINT("\n_______________________________\n");
6179     return (error);
6180 }
6181
6182 static int
6183 sortVolumes(const void *a, const void *b)
6184 {
6185     volintInfo *v1 = (volintInfo *) a;
6186     volintInfo *v2 = (volintInfo *) b;
6187     afs_uint32 rwvolid1, rwvolid2;
6188
6189     rwvolid1 = ((v1->type == RWVOL) ? v1->volid : v1->parentID);
6190     rwvolid2 = ((v2->type == RWVOL) ? v2->volid : v2->parentID);
6191
6192     if (rwvolid1 > rwvolid2)
6193         return -1;              /* lower RW id goes first */
6194     if (rwvolid1 < rwvolid2)
6195         return 1;
6196
6197     if (v1->type == RWVOL)
6198         return -1;              /* RW vols go first */
6199     if (v2->type == RWVOL)
6200         return 1;
6201
6202     if ((v1->type == BACKVOL) && (v2->type == ROVOL))
6203         return -1;              /* BK vols next */
6204     if ((v1->type == ROVOL) && (v2->type == BACKVOL))
6205         return 1;
6206
6207     if (v1->volid < v2->volid)
6208         return 1;               /* larger volids first */
6209     if (v1->volid > v2->volid)
6210         return -1;
6211     return 0;
6212 }
6213
6214 /* UV_SyncVolume()
6215  *      Synchronise <aserver> <apart>(if flags = 1) <avolid>.
6216  *      Synchronize an individual volume against a sever and partition.
6217  *      Checks the VLDB entry (similar to syncserv) as well as checks
6218  *      if the volume exists on specified servers (similar to syncvldb).
6219  */
6220 int
6221 UV_SyncVolume(afs_uint32 aserver, afs_int32 apart, char *avolname, int flags)
6222 {
6223     struct rx_connection *aconn = 0;
6224     afs_int32 j, k, code, vcode, error = 0;
6225     afs_int32 tverbose;
6226     afs_int32 mod, modified = 0, deleted = 0;
6227     struct nvldbentry vldbentry;
6228     afs_uint32 volumeid = 0;
6229     volEntries volumeInfo;
6230     struct partList PartList;
6231     afs_int32 pcnt;
6232     afs_uint32 maxvolid = 0;
6233
6234     volumeInfo.volEntries_val = (volintInfo *) 0;
6235     volumeInfo.volEntries_len = 0;
6236
6237     /* Turn verbose logging off and do our own verbose logging */
6238     /* tverbose must be set before we call ERROR_EXIT() */
6239
6240     tverbose = verbose;
6241     if (flags & 2)
6242         tverbose = 1;
6243     verbose = 0;
6244
6245     if (!aserver && (flags & 1)) {
6246         /* fprintf(STDERR,"Partition option requires a server option\n"); */
6247         ERROR_EXIT(EINVAL);
6248     }
6249
6250     /* Read the VLDB entry */
6251     vcode = VLDB_GetEntryByName(avolname, &vldbentry);
6252     if (vcode && (vcode != VL_NOENT)) {
6253         fprintf(STDERR, "Could not access the VLDB for volume %s\n",
6254                 avolname);
6255         ERROR_EXIT(vcode);
6256     } else if (!vcode) {
6257         MapHostToNetwork(&vldbentry);
6258     }
6259
6260     if (tverbose) {
6261         fprintf(STDOUT, "Processing VLDB entry %s ...\n", avolname);
6262         fprintf(STDOUT, "_______________________________\n");
6263         fprintf(STDOUT, "\n-- status before -- \n");
6264         if (vcode) {
6265             fprintf(STDOUT, "\n**does not exist**\n");
6266         } else {
6267             if ((vldbentry.flags & VLF_RWEXISTS) || (vldbentry.flags & VLF_ROEXISTS)
6268                 || (vldbentry.flags & VLF_BACKEXISTS))
6269                 EnumerateEntry(&vldbentry);
6270         }
6271         fprintf(STDOUT, "\n");
6272     }
6273
6274     /* Verify that all of the VLDB entries exist on the repective servers
6275      * and partitions (this does not require that avolname be a volume ID).
6276      * Equivalent to a syncserv.
6277      */
6278     if (!vcode) {
6279         /* Tell CheckVldb not to update if appropriate */
6280         if (flags & 2)
6281             mod = 1;
6282         else
6283             mod = 0;
6284         code = CheckVldb(&vldbentry, &mod, &deleted);
6285         if (code) {
6286             fprintf(STDERR, "Could not process VLDB entry for volume %s\n",
6287                     vldbentry.name);
6288             ERROR_EXIT(code);
6289         }
6290         if (mod)
6291             modified++;
6292     }
6293
6294     /* If aserver is given, we will search for the desired volume on it */
6295     if (aserver) {
6296         /* Generate array of partitions on the server that we will check */
6297         if (!(flags & 1)) {
6298             code = UV_ListPartitions(aserver, &PartList, &pcnt);
6299             if (code) {
6300                 fprintf(STDERR,
6301                         "Could not fetch the list of partitions from the server\n");
6302                 ERROR_EXIT(code);
6303             }
6304         } else {
6305             PartList.partId[0] = apart;
6306             pcnt = 1;
6307         }
6308
6309         aconn = UV_Bind(aserver, AFSCONF_VOLUMEPORT);
6310
6311         /* If a volume ID were given, search for it on each partition */
6312         if ((volumeid = atol(avolname))) {
6313             for (j = 0; j < pcnt; j++) {
6314                 code =
6315                     AFSVolListOneVolume(aconn, PartList.partId[j], volumeid,
6316                                         &volumeInfo);
6317                 if (code) {
6318                     if (code != ENODEV) {
6319                         fprintf(STDERR, "Could not query server\n");
6320                         ERROR_EXIT(code);
6321                     }
6322                 } else {
6323                     if (flags & 2)
6324                         mod = 1;
6325                     else
6326                         mod = 0;
6327                     /* Found one, sync it with VLDB entry */
6328                     code =
6329                         CheckVolume(volumeInfo.volEntries_val, aserver,
6330                                     PartList.partId[j], &mod, &maxvolid, &vldbentry);
6331                     if (code)
6332                         ERROR_EXIT(code);
6333                     if (mod)
6334                         modified++;
6335                 }
6336
6337                 if (volumeInfo.volEntries_val)
6338                     free(volumeInfo.volEntries_val);
6339                 volumeInfo.volEntries_val = (volintInfo *) 0;
6340                 volumeInfo.volEntries_len = 0;
6341             }
6342         }
6343
6344         /* Check to see if the RW, BK, and RO IDs exist on any
6345          * partitions. We get the volume IDs from the VLDB.
6346          */
6347         for (j = 0; j < MAXTYPES; j++) {        /* for RW, RO, and BK IDs */
6348             if (vldbentry.volumeId[j] == 0)
6349                 continue;
6350
6351             for (k = 0; k < pcnt; k++) {        /* For each partition */
6352                 volumeInfo.volEntries_val = (volintInfo *) 0;
6353                 volumeInfo.volEntries_len = 0;
6354                 code =
6355                     AFSVolListOneVolume(aconn, PartList.partId[k],
6356                                         vldbentry.volumeId[j], &volumeInfo);
6357                 if (code) {
6358                     if (code != ENODEV) {
6359                         fprintf(STDERR, "Could not query server\n");
6360                         ERROR_EXIT(code);
6361                     }
6362                 } else {
6363                     if (flags & 2)
6364                         mod = 1;
6365                     else
6366                         mod = 0;
6367                     /* Found one, sync it with VLDB entry */
6368                     code =
6369                         CheckVolume(volumeInfo.volEntries_val, aserver,
6370                                     PartList.partId[k], &mod, &maxvolid, &vldbentry);
6371                     if (code)
6372                         ERROR_EXIT(code);
6373                     if (mod)
6374                         modified++;
6375                 }
6376
6377                 if (volumeInfo.volEntries_val)
6378                     free(volumeInfo.volEntries_val);
6379                 volumeInfo.volEntries_val = (volintInfo *) 0;
6380                 volumeInfo.volEntries_len = 0;
6381             }
6382         }
6383     }
6384
6385     /* if (aserver) */
6386     /* If verbose output, print a summary of what changed */
6387     if (tverbose) {
6388         fprintf(STDOUT, "-- status after --\n");
6389         if (deleted) {
6390             fprintf(STDOUT, "\n**entry deleted**\n");
6391         } else if (modified) {
6392             EnumerateEntry(&vldbentry);
6393         } else {
6394             fprintf(STDOUT, "\n**no change**\n");
6395         }
6396         fprintf(STDOUT, "\n_______________________________\n");
6397     }
6398
6399   error_exit:
6400     /* Now check if the maxvolid is larger than that stored in the VLDB */
6401     if (maxvolid) {
6402         afs_uint32 maxvldbid = 0;
6403         code = ubik_VL_GetNewVolumeId(cstruct, 0, 0, &maxvldbid);
6404         if (code) {
6405             fprintf(STDERR,
6406                     "Could not get the highest allocated volume id from the VLDB\n");
6407             if (!error)
6408                 error = code;
6409         } else if (maxvolid > maxvldbid) {
6410             afs_uint32 id, nid;
6411             id = maxvolid - maxvldbid + 1;
6412             code = ubik_VL_GetNewVolumeId(cstruct, 0, id, &nid);
6413             if (code) {
6414                 fprintf(STDERR,
6415                         "Error in increasing highest allocated volume id in VLDB\n");
6416                 if (!error)
6417                     error = code;
6418             }
6419         }
6420     }
6421
6422     verbose = tverbose;
6423     if (verbose) {
6424         if (error)
6425             fprintf(STDOUT, "...error encountered");
6426         else
6427             fprintf(STDOUT, "...done entry\n");
6428     }
6429     if (aconn)
6430         rx_DestroyConnection(aconn);
6431     if (volumeInfo.volEntries_val)
6432         free(volumeInfo.volEntries_val);
6433
6434     PrintError("", error);
6435     return error;
6436 }
6437
6438 /* UV_SyncVldb()
6439  *      Synchronise vldb with the file server <aserver> and,
6440  *      optionally, <apart>.
6441  */
6442 int
6443 UV_SyncVldb(afs_uint32 aserver, afs_int32 apart, int flags, int force)
6444 {
6445     struct rx_connection *aconn;
6446     afs_int32 code, error = 0;
6447     int i, pfail;
6448     unsigned int j;
6449     volEntries volumeInfo;
6450     struct partList PartList;
6451     afs_int32 pcnt;
6452     char pname[10];
6453     volintInfo *vi;
6454     afs_int32 failures = 0, modifications = 0, tentries = 0;
6455     afs_int32 modified;
6456     afs_uint32 maxvolid = 0;
6457     char hoststr[16];
6458
6459     volumeInfo.volEntries_val = (volintInfo *) 0;
6460     volumeInfo.volEntries_len = 0;
6461
6462     aconn = UV_Bind(aserver, AFSCONF_VOLUMEPORT);
6463
6464     /* Generate array of partitions to check */
6465     if (!(flags & 1)) {
6466         code = UV_ListPartitions(aserver, &PartList, &pcnt);
6467         if (code) {
6468             fprintf(STDERR,
6469                     "Could not fetch the list of partitions from the server\n");
6470             ERROR_EXIT(code);
6471         }
6472     } else {
6473         PartList.partId[0] = apart;
6474         pcnt = 1;
6475     }
6476
6477     VPRINT("Processing volume entries ...\n");
6478
6479     /* Step through the array of partitions */
6480     for (i = 0; i < pcnt; i++) {
6481         apart = PartList.partId[i];
6482         MapPartIdIntoName(apart, pname);
6483
6484         volumeInfo.volEntries_val = (volintInfo *) 0;
6485         volumeInfo.volEntries_len = 0;
6486         code = AFSVolListVolumes(aconn, apart, 1, &volumeInfo);
6487         if (code) {
6488             fprintf(STDERR,
6489                     "Could not fetch the list of volumes from the server\n");
6490             ERROR_EXIT(code);
6491         }
6492
6493         /* May want to sort the entries: RW, BK (high to low), RO (high to low) */
6494         qsort((char *)volumeInfo.volEntries_val, volumeInfo.volEntries_len,
6495               sizeof(volintInfo), sortVolumes);
6496
6497         pfail = 0;
6498         for (vi = volumeInfo.volEntries_val, j = 0;
6499              j < volumeInfo.volEntries_len; j++, vi++) {
6500             if (!vi->status)
6501                 continue;
6502
6503             tentries++;
6504
6505             if (verbose) {
6506                 fprintf(STDOUT,
6507                         "Processing volume entry %d: %s (%lu) on server %s %s...\n",
6508                         j + 1, vi->name, (unsigned long)vi->volid,
6509                         noresolve ?
6510                         afs_inet_ntoa_r(aserver, hoststr) :
6511                         hostutil_GetNameByINet(aserver), pname);
6512                 fflush(STDOUT);
6513             }
6514
6515             if (flags & 2)
6516                 modified = 1;
6517             else
6518                 modified = 0;
6519             code = CheckVolume(vi, aserver, apart, &modified, &maxvolid, NULL);
6520             if (code) {
6521                 PrintError("", code);
6522                 failures++;
6523                 pfail++;
6524             } else if (modified) {
6525                 modifications++;
6526             }
6527
6528             if (verbose) {
6529                 if (code) {
6530                     fprintf(STDOUT, "...error encountered\n\n");
6531                 } else {
6532                     fprintf(STDOUT, "...done entry %d\n\n", j + 1);
6533                 }
6534             }
6535         }
6536
6537         if (pfail) {
6538             fprintf(STDERR,
6539                     "Could not process entries on server %s partition %s\n",
6540                     noresolve ?
6541                     afs_inet_ntoa_r(aserver, hoststr) :
6542                     hostutil_GetNameByINet(aserver), pname);
6543         }
6544         if (volumeInfo.volEntries_val) {
6545             free(volumeInfo.volEntries_val);
6546             volumeInfo.volEntries_val = 0;
6547         }
6548
6549     }                           /* thru all partitions */
6550
6551     if (flags & 2) {
6552         VPRINT3("Total entries: %u, Failed to process %d, Would change %d\n",
6553                 tentries, failures, modifications);
6554     } else {
6555         VPRINT3("Total entries: %u, Failed to process %d, Changed %d\n",
6556                 tentries, failures, modifications);
6557     }
6558
6559   error_exit:
6560     /* Now check if the maxvolid is larger than that stored in the VLDB */
6561     if (maxvolid) {
6562         afs_uint32 maxvldbid = 0;
6563         code = ubik_VL_GetNewVolumeId(cstruct, 0, 0, &maxvldbid);
6564         if (code) {
6565             fprintf(STDERR,
6566                     "Could not get the highest allocated volume id from the VLDB\n");
6567             if (!error)
6568                 error = code;
6569         } else if (maxvolid > maxvldbid) {
6570             afs_uint32 id, nid;
6571             id = maxvolid - maxvldbid + 1;
6572             code = ubik_VL_GetNewVolumeId(cstruct, 0, id, &nid);
6573             if (code) {
6574                 fprintf(STDERR,
6575                         "Error in increasing highest allocated volume id in VLDB\n");
6576                 if (!error)
6577                     error = code;
6578             }
6579         }
6580     }
6581
6582     if (aconn)
6583         rx_DestroyConnection(aconn);
6584     if (volumeInfo.volEntries_val)
6585         free(volumeInfo.volEntries_val);
6586     PrintError("", error);
6587     return (error);
6588 }
6589
6590 /* VolumeExists()
6591  *      Determine if a volume exists on a server and partition.
6592  *      Try creating a transaction on the volume. If we can,
6593  *      the volume exists, if not, then return the error code.
6594  *      Some error codes mean the volume is unavailable but
6595  *      still exists - so we catch these error codes.
6596  */
6597 static afs_int32
6598 VolumeExists(afs_uint32 server, afs_int32 partition, afs_uint32 volumeid)
6599 {
6600     struct rx_connection *conn = (struct rx_connection *)0;
6601     afs_int32 code = -1;
6602     volEntries volumeInfo;
6603
6604     conn = UV_Bind(server, AFSCONF_VOLUMEPORT);
6605     if (conn) {
6606         volumeInfo.volEntries_val = (volintInfo *) 0;
6607         volumeInfo.volEntries_len = 0;
6608         code = AFSVolListOneVolume(conn, partition, volumeid, &volumeInfo);
6609         if (volumeInfo.volEntries_val)
6610             free(volumeInfo.volEntries_val);
6611         if (code == VOLSERILLEGAL_PARTITION)
6612             code = ENODEV;
6613         rx_DestroyConnection(conn);
6614     }
6615     return code;
6616 }
6617
6618 /* CheckVldbRWBK()
6619  *
6620  */
6621 static afs_int32
6622 CheckVldbRWBK(struct nvldbentry * entry, afs_int32 * modified)
6623 {
6624     int modentry = 0;
6625     int idx;
6626     afs_int32 code, error = 0;
6627     char pname[10];
6628     char hoststr[16];
6629
6630     if (modified)
6631         *modified = 0;
6632     idx = Lp_GetRwIndex(entry);
6633
6634     /* Check to see if the RW volume exists and set the VLF_RWEXISTS
6635      * flag accordingly.
6636      */
6637     if (idx == -1) {            /* Did not find a RW entry */
6638         if (entry->flags & VLF_RWEXISTS) {      /* ... yet entry says RW exists */
6639             entry->flags &= ~VLF_RWEXISTS;      /* ... so say RW does not exist */
6640             modentry++;
6641         }
6642     } else {
6643         code =
6644             VolumeExists(entry->serverNumber[idx],
6645                          entry->serverPartition[idx], entry->volumeId[RWVOL]);
6646         if (code == 0) {        /* RW volume exists */
6647             if (!(entry->flags & VLF_RWEXISTS)) {       /* ... yet entry says RW does not exist */
6648                 entry->flags |= VLF_RWEXISTS;   /* ... so say RW does exist */
6649                 modentry++;
6650             }
6651         } else if (code == ENODEV) {    /* RW volume does not exist */
6652             if (entry->flags & VLF_RWEXISTS) {  /* ... yet entry says RW exists */
6653                 entry->flags &= ~VLF_RWEXISTS;  /* ... so say RW does not exist */
6654                 modentry++;
6655             }
6656         } else {
6657             /* If VLDB says it didn't exist, then ignore error */
6658             if (entry->flags & VLF_RWEXISTS) {
6659                 MapPartIdIntoName(entry->serverPartition[idx], pname);
6660                 fprintf(STDERR,
6661                         "Transaction call failed for RW volume %u on server %s %s\n",
6662                         entry->volumeId[RWVOL],
6663                         noresolve ?
6664                         afs_inet_ntoa_r(entry->serverNumber[idx], hoststr) :
6665                         hostutil_GetNameByINet(entry->serverNumber[idx]),
6666                         pname);
6667                 ERROR_EXIT(code);
6668             }
6669         }
6670     }
6671
6672     /* Check to see if the BK volume exists and set the VLF_BACKEXISTS
6673      * flag accordingly. idx already ponts to the RW entry.
6674      */
6675     if (idx == -1) {            /* Did not find a RW entry */
6676         if (entry->flags & VLF_BACKEXISTS) {    /* ... yet entry says BK exists */
6677             entry->flags &= ~VLF_BACKEXISTS;    /* ... so say BK does not exist */
6678             modentry++;
6679         }
6680     } else {                    /* Found a RW entry */
6681         code =
6682             VolumeExists(entry->serverNumber[idx],
6683                          entry->serverPartition[idx],
6684                          entry->volumeId[BACKVOL]);
6685         if (code == 0) {        /* BK volume exists */
6686             if (!(entry->flags & VLF_BACKEXISTS)) {     /* ... yet entry says BK does not exist */
6687                 entry->flags |= VLF_BACKEXISTS; /* ... so say BK does exist */
6688                 modentry++;
6689             }
6690         } else if (code == ENODEV) {    /* BK volume does not exist */
6691             if (entry->flags & VLF_BACKEXISTS) {        /* ... yet entry says BK exists */
6692                 entry->flags &= ~VLF_BACKEXISTS;        /* ... so say BK does not exist */
6693                 modentry++;
6694             }
6695         } else {
6696             /* If VLDB says it didn't exist, then ignore error */
6697             if (entry->flags & VLF_BACKEXISTS) {
6698                 MapPartIdIntoName(entry->serverPartition[idx], pname);
6699                 fprintf(STDERR,
6700                         "Transaction call failed for BK volume %u on server %s %s\n",
6701                         entry->volumeId[BACKVOL],
6702                         noresolve ?
6703                         afs_inet_ntoa_r(entry->serverNumber[idx], hoststr) :
6704                         hostutil_GetNameByINet(entry->serverNumber[idx]),
6705                         pname);
6706                 ERROR_EXIT(code);
6707             }
6708         }
6709     }
6710
6711     /* If there is an idx but the BK and RW volumes no
6712      * longer exist, then remove the RW entry.
6713      */
6714     if ((idx != -1) && !(entry->flags & VLF_RWEXISTS)
6715         && !(entry->flags & VLF_BACKEXISTS)) {
6716         Lp_SetRWValue(entry, entry->serverNumber[idx],
6717                       entry->serverPartition[idx], 0L, 0L);
6718         entry->nServers--;
6719         modentry++;
6720     }
6721
6722   error_exit:
6723     if (modified)
6724         *modified = modentry;
6725     return (error);
6726 }
6727
6728 static afs_int32
6729 CheckVldbRO(struct nvldbentry *entry, afs_int32 * modified)
6730 {
6731     int idx;
6732     int foundro = 0, modentry = 0;
6733     afs_int32 code, error = 0;
6734     char pname[10];
6735     char hoststr[16];
6736
6737     if (modified)
6738         *modified = 0;
6739
6740     /* Check to see if the RO volumes exist and set the VLF_ROEXISTS
6741      * flag accordingly.
6742      */
6743     for (idx = 0; idx < entry->nServers; idx++) {
6744         if (!(entry->serverFlags[idx] & VLSF_ROVOL)) {
6745             continue;           /* not a RO */
6746         }
6747
6748         code =
6749             VolumeExists(entry->serverNumber[idx],
6750                          entry->serverPartition[idx], entry->volumeId[ROVOL]);
6751         if (code == 0) {        /* RO volume exists */
6752             foundro++;
6753         } else if (code == ENODEV) {    /* RW volume does not exist */
6754             Lp_SetROValue(entry, entry->serverNumber[idx],
6755                           entry->serverPartition[idx], 0L, 0L);
6756             entry->nServers--;
6757             idx--;
6758             modentry++;
6759         } else {
6760             MapPartIdIntoName(entry->serverPartition[idx], pname);
6761             fprintf(STDERR,
6762                     "Transaction call failed for RO %u on server %s %s\n",
6763                     entry->volumeId[ROVOL],
6764                     noresolve ?
6765                     afs_inet_ntoa_r(entry->serverNumber[idx], hoststr) :
6766                     hostutil_GetNameByINet(entry->serverNumber[idx]), pname);
6767             ERROR_EXIT(code);
6768         }
6769     }
6770
6771     if (foundro) {              /* A RO volume exists */
6772         if (!(entry->flags & VLF_ROEXISTS)) {   /* ... yet entry says RW does not exist */
6773             entry->flags |= VLF_ROEXISTS;       /* ... so say RW does exist */
6774             modentry++;
6775         }
6776     } else {                    /* A RO volume does not exist */
6777         if (entry->flags & VLF_ROEXISTS) {      /* ... yet entry says RO exists */
6778             entry->flags &= ~VLF_ROEXISTS;      /* ... so say RO does not exist */
6779             modentry++;
6780         }
6781     }
6782
6783   error_exit:
6784     if (modified)
6785         *modified = modentry;
6786     return (error);
6787 }
6788
6789 /* CheckVldb()
6790  *      Ensure that <entry> matches with the info on file servers
6791  */
6792 static afs_int32
6793 CheckVldb(struct nvldbentry * entry, afs_int32 * modified, afs_int32 * deleted)
6794 {
6795     afs_int32 code, error = 0;
6796     struct nvldbentry storeEntry;
6797     int islocked = 0, mod, modentry, delentry = 0;
6798     int pass = 0, doit=1;
6799
6800     if (modified) {
6801         if (*modified == 1)
6802             doit = 0;
6803         *modified = 0;
6804     }
6805     if (verbose) {
6806         fprintf(STDOUT, "_______________________________\n");
6807         fprintf(STDOUT, "\n-- status before -- \n");
6808         if ((entry->flags & VLF_RWEXISTS) || (entry->flags & VLF_ROEXISTS)
6809             || (entry->flags & VLF_BACKEXISTS))
6810             EnumerateEntry(entry);
6811         fprintf(STDOUT, "\n");
6812     }
6813
6814     if (strlen(entry->name) > (VOLSER_OLDMAXVOLNAME - 10)) {
6815         fprintf(STDERR, "Volume name %s exceeds limit of %d characters\n",
6816                 entry->name, VOLSER_OLDMAXVOLNAME - 10);
6817     }
6818
6819   retry:
6820     /* Check to see if the VLDB is ok without locking it (pass 1).
6821      * If it will change, then lock the VLDB entry, read it again,
6822      * then make the changes to it (pass 2).
6823      */
6824     if (++pass == 2) {
6825         code =
6826             ubik_VL_SetLock(cstruct, 0, entry->volumeId[RWVOL], RWVOL,
6827                       VLOP_DELETE);
6828         if (code) {
6829             fprintf(STDERR, "Could not lock VLDB entry for %u \n",
6830                     entry->volumeId[RWVOL]);
6831             ERROR_EXIT(code);
6832         }
6833         islocked = 1;
6834
6835         code = VLDB_GetEntryByID(entry->volumeId[RWVOL], RWVOL, entry);
6836         if (code) {
6837             fprintf(STDERR, "Could not read VLDB entry for volume %s\n",
6838                     entry->name);
6839             ERROR_EXIT(code);
6840         } else {
6841             MapHostToNetwork(entry);
6842         }
6843     }
6844
6845     modentry = 0;
6846
6847     /* Check if the RW and BK entries are ok */
6848     code = CheckVldbRWBK(entry, &mod);
6849     if (code)
6850         ERROR_EXIT(code);
6851     if (mod && (pass == 1) && doit)
6852         goto retry;
6853     if (mod)
6854         modentry++;
6855
6856     /* Check if the RO volumes entries are ok */
6857     code = CheckVldbRO(entry, &mod);
6858     if (code)
6859         ERROR_EXIT(code);
6860     if (mod && (pass == 1) && doit)
6861         goto retry;
6862     if (mod)
6863         modentry++;
6864
6865     /* The VLDB entry has been updated. If it as been modified, then
6866      * write the entry back out the the VLDB.
6867      */
6868     if (modentry && doit) {
6869         if (pass == 1)
6870             goto retry;
6871
6872         if (!(entry->flags & VLF_RWEXISTS) && !(entry->flags & VLF_BACKEXISTS)
6873             && !(entry->flags & VLF_ROEXISTS) && doit) {
6874             /* The RW, BK, nor RO volumes do not exist. Delete the VLDB entry */
6875             code =
6876                 ubik_VL_DeleteEntry(cstruct, 0, entry->volumeId[RWVOL],
6877                           RWVOL);
6878             if (code) {
6879                 fprintf(STDERR,
6880                         "Could not delete VLDB entry for volume %u \n",
6881                         entry->volumeId[RWVOL]);
6882                 ERROR_EXIT(code);
6883             }
6884             delentry = 1;
6885         } else {
6886             /* Replace old entry with our new one */
6887             MapNetworkToHost(entry, &storeEntry);
6888             code =
6889                 VLDB_ReplaceEntry(entry->volumeId[RWVOL], RWVOL, &storeEntry,
6890                                   (LOCKREL_OPCODE | LOCKREL_AFSID |
6891                                    LOCKREL_TIMESTAMP));
6892             if (code) {
6893                 fprintf(STDERR, "Could not update VLDB entry for volume %u\n",
6894                         entry->volumeId[RWVOL]);
6895                 ERROR_EXIT(code);
6896             }
6897         }
6898         islocked = 0;
6899     }
6900
6901     if (modified && modentry) {
6902         *modified = 1;
6903     }
6904     if (deleted && delentry) {
6905         *deleted = 1;
6906     }
6907
6908     if (verbose) {
6909         fprintf(STDOUT, "-- status after --\n");
6910         if (delentry)
6911             fprintf(STDOUT, "\n**entry deleted**\n");
6912         else if (modentry)
6913             EnumerateEntry(entry);
6914         else
6915             fprintf(STDOUT, "\n**no change**\n");
6916     }
6917
6918   error_exit:
6919     VPRINT("\n_______________________________\n");
6920
6921     if (islocked) {
6922         code =
6923             ubik_VL_ReleaseLock(cstruct, 0, entry->volumeId[RWVOL],
6924                       RWVOL,
6925                       (LOCKREL_OPCODE | LOCKREL_AFSID | LOCKREL_TIMESTAMP));
6926         if (code) {
6927             fprintf(STDERR,
6928                     "Could not release lock on VLDB entry for volume %u\n",
6929                     entry->volumeId[RWVOL]);
6930             if (!error)
6931                 error = code;
6932         }
6933     }
6934     return error;
6935 }
6936
6937 /* UV_SyncServer()
6938  *      Synchronise <aserver> <apart>(if flags = 1) with the VLDB.
6939  */
6940 int
6941 UV_SyncServer(afs_uint32 aserver, afs_int32 apart, int flags, int force)
6942 {
6943     struct rx_connection *aconn;
6944     afs_int32 code, error = 0;
6945     afs_int32 nentries, tentries = 0;
6946     struct VldbListByAttributes attributes;
6947     nbulkentries arrayEntries;
6948     afs_int32 failures = 0, modified, modifications = 0;
6949     struct nvldbentry *vlentry;
6950     afs_int32 si, nsi, j;
6951
6952     if (flags & 2)
6953         verbose = 1;
6954
6955     aconn = UV_Bind(aserver, AFSCONF_VOLUMEPORT);
6956
6957     /* Set up attributes to search VLDB  */
6958     memset(&attributes, 0, sizeof(attributes));
6959     attributes.server = ntohl(aserver);
6960     attributes.Mask = VLLIST_SERVER;
6961     if ((flags & 1)) {
6962         attributes.partition = apart;
6963         attributes.Mask |= VLLIST_PARTITION;
6964     }
6965
6966     VPRINT("Processing VLDB entries ...\n");
6967
6968     /* While we need to collect more VLDB entries */
6969     for (si = 0; si != -1; si = nsi) {
6970         memset(&arrayEntries, 0, sizeof(arrayEntries));
6971
6972         /* Collect set of VLDB entries */
6973         code =
6974             VLDB_ListAttributesN2(&attributes, 0, si, &nentries,
6975                                   &arrayEntries, &nsi);
6976         if (code == RXGEN_OPCODE) {
6977             code = VLDB_ListAttributes(&attributes, &nentries, &arrayEntries);
6978             nsi = -1;
6979         }
6980         if (code) {
6981             fprintf(STDERR, "Could not access the VLDB for attributes\n");
6982             ERROR_EXIT(code);
6983         }
6984         tentries += nentries;
6985
6986         for (j = 0; j < nentries; j++) {
6987             vlentry = &arrayEntries.nbulkentries_val[j];
6988             MapHostToNetwork(vlentry);
6989
6990             VPRINT1("Processing VLDB entry %d ...\n", j + 1);
6991
6992             /* Tell CheckVldb not to update if appropriate */
6993             if (flags & 2)
6994                 modified = 1;
6995             else
6996                 modified = 0;
6997             code = CheckVldb(vlentry, &modified, NULL);
6998             if (code) {
6999                 PrintError("", code);
7000                 fprintf(STDERR,
7001                         "Could not process VLDB entry for volume %s\n",
7002                         vlentry->name);
7003                 failures++;
7004             } else if (modified) {
7005                 modifications++;
7006             }
7007
7008             if (verbose) {
7009                 if (code) {
7010                     fprintf(STDOUT, "...error encountered\n\n");
7011                 } else {
7012                     fprintf(STDOUT, "...done entry %d\n\n", j + 1);
7013                 }
7014             }
7015         }
7016
7017         if (arrayEntries.nbulkentries_val) {
7018             free(arrayEntries.nbulkentries_val);
7019             arrayEntries.nbulkentries_val = 0;
7020         }
7021     }
7022
7023     if (flags & 2) {
7024         VPRINT3("Total entries: %u, Failed to process %d, Would change %d\n",
7025                 tentries, failures, modifications);
7026     } else {
7027         VPRINT3("Total entries: %u, Failed to process %d, Changed %d\n",
7028                 tentries, failures, modifications);
7029     }
7030
7031   error_exit:
7032     if (aconn)
7033         rx_DestroyConnection(aconn);
7034     if (arrayEntries.nbulkentries_val)
7035         free(arrayEntries.nbulkentries_val);
7036
7037     if (failures)
7038         error = VOLSERFAILEDOP;
7039     return error;
7040 }
7041
7042 /*rename volume <oldname> to <newname>, changing the names of the related
7043  *readonly and backup volumes. This operation is also idempotent.
7044  *salvager is capable of recovering from rename operation stopping halfway.
7045  *to recover run syncserver on the affected machines,it will force renaming to completion. name clashes should have been detected before calling this proc */
7046 int
7047 UV_RenameVolume(struct nvldbentry *entry, char oldname[], char newname[])
7048 {
7049     struct nvldbentry storeEntry;
7050     afs_int32 vcode, code, rcode, error;
7051     int i, index;
7052     char nameBuffer[256];
7053     afs_int32 tid;
7054     struct rx_connection *aconn;
7055     int islocked;
7056     char hoststr[16];
7057
7058     error = 0;
7059     aconn = (struct rx_connection *)0;
7060     tid = 0;
7061     islocked = 0;
7062
7063     vcode = ubik_VL_SetLock(cstruct, 0, entry->volumeId[RWVOL], RWVOL, VLOP_ADDSITE);   /*last param is dummy */
7064     if (vcode) {
7065         fprintf(STDERR,
7066                 " Could not lock the VLDB entry for the  volume %u \n",
7067                 entry->volumeId[RWVOL]);
7068         error = vcode;
7069         goto rvfail;
7070     }
7071     islocked = 1;
7072     strncpy(entry->name, newname, VOLSER_OLDMAXVOLNAME);
7073     MapNetworkToHost(entry, &storeEntry);
7074     vcode = VLDB_ReplaceEntry(entry->volumeId[RWVOL], RWVOL, &storeEntry, 0);
7075     if (vcode) {
7076         fprintf(STDERR, "Could not update VLDB entry for %u\n",
7077                 entry->volumeId[RWVOL]);
7078         error = vcode;
7079         goto rvfail;
7080     }
7081     VPRINT1("Recorded the new name %s in VLDB\n", newname);
7082     /*at this stage the intent to rename is recorded in the vldb, as far as the vldb
7083      * is concerned, oldname is lost */
7084     if (entry->flags & VLF_RWEXISTS) {
7085         index = Lp_GetRwIndex(entry);
7086         if (index == -1) {      /* there is a serious discrepancy */
7087             fprintf(STDERR,
7088                     "There is a serious discrepancy in VLDB entry for volume %u\n",
7089                     entry->volumeId[RWVOL]);
7090             fprintf(STDERR, "try building VLDB from scratch\n");
7091             error = VOLSERVLDB_ERROR;
7092             goto rvfail;
7093         }
7094         aconn = UV_Bind(entry->serverNumber[index], AFSCONF_VOLUMEPORT);
7095         code =
7096             AFSVolTransCreate_retry(aconn, entry->volumeId[RWVOL],
7097                               entry->serverPartition[index], ITOffline, &tid);
7098         if (code) {             /*volume doesnot exist */
7099             fprintf(STDERR,
7100                     "Could not start transaction on the rw volume %u\n",
7101                     entry->volumeId[RWVOL]);
7102             error = code;
7103             goto rvfail;
7104         } else {                /*volume exists, process it */
7105
7106             code =
7107                 AFSVolSetIdsTypes(aconn, tid, newname, RWVOL,
7108                                   entry->volumeId[RWVOL],
7109                                   entry->volumeId[ROVOL],
7110                                   entry->volumeId[BACKVOL]);
7111             if (!code) {
7112                 VPRINT2("Renamed rw volume %s to %s\n", oldname, newname);
7113                 code = AFSVolEndTrans(aconn, tid, &rcode);
7114                 tid = 0;
7115                 if (code) {
7116                     fprintf(STDERR,
7117                             "Could not  end transaction on volume %s %u\n",
7118                             entry->name, entry->volumeId[RWVOL]);
7119                     error = code;
7120                     goto rvfail;
7121                 }
7122             } else {
7123                 fprintf(STDERR, "Could not  set parameters on volume %s %u\n",
7124                         entry->name, entry->volumeId[RWVOL]);
7125                 error = code;
7126                 goto rvfail;
7127             }
7128         }
7129         if (aconn)
7130             rx_DestroyConnection(aconn);
7131         aconn = (struct rx_connection *)0;
7132     }
7133     /*end rw volume processing */
7134     if (entry->flags & VLF_BACKEXISTS) {        /*process the backup volume */
7135         index = Lp_GetRwIndex(entry);
7136         if (index == -1) {      /* there is a serious discrepancy */
7137             fprintf(STDERR,
7138                     "There is a serious discrepancy in the VLDB entry for the backup volume %u\n",
7139                     entry->volumeId[BACKVOL]);
7140             fprintf(STDERR, "try building VLDB from scratch\n");
7141             error = VOLSERVLDB_ERROR;
7142             goto rvfail;
7143         }
7144         aconn = UV_Bind(entry->serverNumber[index], AFSCONF_VOLUMEPORT);
7145         code =
7146             AFSVolTransCreate_retry(aconn, entry->volumeId[BACKVOL],
7147                               entry->serverPartition[index], ITOffline, &tid);
7148         if (code) {             /*volume doesnot exist */
7149             fprintf(STDERR,
7150                     "Could not start transaction on the backup volume  %u\n",
7151                     entry->volumeId[BACKVOL]);
7152             error = code;
7153             goto rvfail;
7154         } else {                /*volume exists, process it */
7155             if (strlen(newname) > (VOLSER_OLDMAXVOLNAME - 8)) {
7156                 fprintf(STDERR,
7157                         "Volume name %s.backup exceeds the limit of %u characters\n",
7158                         newname, VOLSER_OLDMAXVOLNAME);
7159                 error = code;
7160                 goto rvfail;
7161             }
7162             strcpy(nameBuffer, newname);
7163             strcat(nameBuffer, ".backup");
7164
7165             code =
7166                 AFSVolSetIdsTypes(aconn, tid, nameBuffer, BACKVOL,
7167                                   entry->volumeId[RWVOL], 0, 0);
7168             if (!code) {
7169                 VPRINT1("Renamed backup volume to %s \n", nameBuffer);
7170                 code = AFSVolEndTrans(aconn, tid, &rcode);
7171                 tid = 0;
7172                 if (code) {
7173                     fprintf(STDERR,
7174                             "Could not  end transaction on the backup volume %u\n",
7175                             entry->volumeId[BACKVOL]);
7176                     error = code;
7177                     goto rvfail;
7178                 }
7179             } else {
7180                 fprintf(STDERR,
7181                         "Could not  set parameters on the backup volume %u\n",
7182                         entry->volumeId[BACKVOL]);
7183                 error = code;
7184                 goto rvfail;
7185             }
7186         }
7187     }                           /* end backup processing */
7188     if (aconn)
7189         rx_DestroyConnection(aconn);
7190     aconn = (struct rx_connection *)0;
7191     if (entry->flags & VLF_ROEXISTS) {  /*process the ro volumes */
7192         for (i = 0; i < entry->nServers; i++) {
7193             if (entry->serverFlags[i] & VLSF_ROVOL) {
7194                 aconn = UV_Bind(entry->serverNumber[i], AFSCONF_VOLUMEPORT);
7195                 code =
7196                     AFSVolTransCreate_retry(aconn, entry->volumeId[ROVOL],
7197                                       entry->serverPartition[i], ITOffline,
7198                                       &tid);
7199                 if (code) {     /*volume doesnot exist */
7200                     fprintf(STDERR,
7201                             "Could not start transaction on the ro volume %u\n",
7202                             entry->volumeId[ROVOL]);
7203                     error = code;
7204                     goto rvfail;
7205                 } else {        /*volume exists, process it */
7206                     strcpy(nameBuffer, newname);
7207                     strcat(nameBuffer, ".readonly");
7208                     if (strlen(nameBuffer) > (VOLSER_OLDMAXVOLNAME - 1)) {
7209                         fprintf(STDERR,
7210                                 "Volume name %s exceeds the limit of %u characters\n",
7211                                 nameBuffer, VOLSER_OLDMAXVOLNAME);
7212                         error = code;
7213                         goto rvfail;
7214                     }
7215                     code =
7216                         AFSVolSetIdsTypes(aconn, tid, nameBuffer, ROVOL,
7217                                           entry->volumeId[RWVOL], 0, 0);
7218                     if (!code) {
7219                         VPRINT2("Renamed RO volume %s on host %s\n",
7220                                 nameBuffer,
7221                                 noresolve ?
7222                                 afs_inet_ntoa_r(entry->serverNumber[i], hoststr) :
7223                                 hostutil_GetNameByINet(entry->
7224                                                        serverNumber[i]));
7225                         code = AFSVolEndTrans(aconn, tid, &rcode);
7226                         tid = 0;
7227                         if (code) {
7228                             fprintf(STDERR,
7229                                     "Could not  end transaction on volume %u\n",
7230                                     entry->volumeId[ROVOL]);
7231                             error = code;
7232                             goto rvfail;
7233                         }
7234                     } else {
7235                         fprintf(STDERR,
7236                                 "Could not  set parameters on the ro volume %u\n",
7237                                 entry->volumeId[ROVOL]);
7238                         error = code;
7239                         goto rvfail;
7240                     }
7241                 }
7242                 if (aconn)
7243                     rx_DestroyConnection(aconn);
7244                 aconn = (struct rx_connection *)0;
7245             }
7246         }
7247     }
7248   rvfail:
7249     if (islocked) {
7250         vcode =
7251             ubik_VL_ReleaseLock(cstruct, 0, entry->volumeId[RWVOL],
7252                       RWVOL,
7253                       LOCKREL_OPCODE | LOCKREL_AFSID | LOCKREL_TIMESTAMP);
7254         if (vcode) {
7255             fprintf(STDERR,
7256                     "Could not unlock the VLDB entry for the volume %s %u\n",
7257                     entry->name, entry->volumeId[RWVOL]);
7258             if (!error)
7259                 error = vcode;
7260         }
7261     }
7262     if (tid) {
7263         code = AFSVolEndTrans(aconn, tid, &rcode);
7264         if (!code)
7265             code = rcode;
7266         if (code) {
7267             fprintf(STDERR, "Failed to end transaction on a volume \n");
7268             if (!error)
7269                 error = code;
7270         }
7271     }
7272     if (aconn)
7273         rx_DestroyConnection(aconn);
7274     PrintError("", error);
7275     return error;
7276
7277 }
7278
7279 /*report on all the active transactions on volser */
7280 int
7281 UV_VolserStatus(afs_uint32 server, transDebugInfo ** rpntr, afs_int32 * rcount)
7282 {
7283     struct rx_connection *aconn;
7284     transDebugEntries transInfo;
7285     afs_int32 code = 0;
7286
7287     aconn = UV_Bind(server, AFSCONF_VOLUMEPORT);
7288     transInfo.transDebugEntries_val = (transDebugInfo *) 0;
7289     transInfo.transDebugEntries_len = 0;
7290     code = AFSVolMonitor(aconn, &transInfo);
7291     if (code) {
7292         fprintf(STDERR,
7293                 "Could not access status information about the server\n");
7294         PrintError("", code);
7295         if (transInfo.transDebugEntries_val)
7296             free(transInfo.transDebugEntries_val);
7297         if (aconn)
7298             rx_DestroyConnection(aconn);
7299         return code;
7300     } else {
7301         *rcount = transInfo.transDebugEntries_len;
7302         *rpntr = transInfo.transDebugEntries_val;
7303         if (aconn)
7304             rx_DestroyConnection(aconn);
7305         return 0;
7306     }
7307
7308
7309 }
7310
7311 /*delete the volume without interacting with the vldb */
7312 int
7313 UV_VolumeZap(afs_uint32 server, afs_int32 part, afs_uint32 volid)
7314 {
7315     afs_int32 error;
7316     struct rx_connection *aconn;
7317
7318     aconn = UV_Bind(server, AFSCONF_VOLUMEPORT);
7319     error = DoVolDelete(aconn, volid, part,
7320                         "the", 0, NULL, NULL);
7321     if (error == VNOVOL) {
7322         EPRINT1(error, "Failed to start transaction on %u\n", volid);
7323     }
7324
7325     PrintError("", error);
7326     if (aconn)
7327         rx_DestroyConnection(aconn);
7328     return error;
7329 }
7330
7331 int
7332 UV_SetVolume(afs_uint32 server, afs_int32 partition, afs_uint32 volid,
7333              afs_int32 transflag, afs_int32 setflag, int sleeptime)
7334 {
7335     struct rx_connection *conn = 0;
7336     afs_int32 tid = 0;
7337     afs_int32 code, error = 0, rcode;
7338
7339     conn = UV_Bind(server, AFSCONF_VOLUMEPORT);
7340     if (!conn) {
7341         fprintf(STDERR, "SetVolumeStatus: Bind Failed");
7342         ERROR_EXIT(-1);
7343     }
7344
7345     code = AFSVolTransCreate_retry(conn, volid, partition, transflag, &tid);
7346     if (code) {
7347         fprintf(STDERR, "SetVolumeStatus: TransCreate Failed\n");
7348         ERROR_EXIT(code);
7349     }
7350
7351     code = AFSVolSetFlags(conn, tid, setflag);
7352     if (code) {
7353         fprintf(STDERR, "SetVolumeStatus: SetFlags Failed\n");
7354         ERROR_EXIT(code);
7355     }
7356
7357     if (sleeptime) {
7358 #ifdef AFS_PTHREAD_ENV
7359         sleep(sleeptime);
7360 #else
7361         IOMGR_Sleep(sleeptime);
7362 #endif
7363     }
7364
7365   error_exit:
7366     if (tid) {
7367         rcode = 0;
7368         code = AFSVolEndTrans(conn, tid, &rcode);
7369         if (code || rcode) {
7370             fprintf(STDERR, "SetVolumeStatus: EndTrans Failed\n");
7371             if (!error)
7372                 error = (code ? code : rcode);
7373         }
7374     }
7375
7376     if (conn)
7377         rx_DestroyConnection(conn);
7378     return (error);
7379 }
7380
7381 int
7382 UV_SetVolumeInfo(afs_uint32 server, afs_int32 partition, afs_uint32 volid,
7383                  volintInfo * infop)
7384 {
7385     struct rx_connection *conn = 0;
7386     afs_int32 tid = 0;
7387     afs_int32 code, error = 0, rcode;
7388
7389     conn = UV_Bind(server, AFSCONF_VOLUMEPORT);
7390     if (!conn) {
7391         fprintf(STDERR, "SetVolumeInfo: Bind Failed");
7392         ERROR_EXIT(-1);
7393     }
7394
7395     code = AFSVolTransCreate_retry(conn, volid, partition, ITOffline, &tid);
7396     if (code) {
7397         fprintf(STDERR, "SetVolumeInfo: TransCreate Failed\n");
7398         ERROR_EXIT(code);
7399     }
7400
7401     code = AFSVolSetInfo(conn, tid, infop);
7402     if (code) {
7403         fprintf(STDERR, "SetVolumeInfo: SetInfo Failed\n");
7404         ERROR_EXIT(code);
7405     }
7406
7407   error_exit:
7408     if (tid) {
7409         rcode = 0;
7410         code = AFSVolEndTrans(conn, tid, &rcode);
7411         if (code || rcode) {
7412             fprintf(STDERR, "SetVolumeInfo: EndTrans Failed\n");
7413             if (!error)
7414                 error = (code ? code : rcode);
7415         }
7416     }
7417
7418     if (conn)
7419         rx_DestroyConnection(conn);
7420     return (error);
7421 }
7422
7423 int
7424 UV_GetSize(afs_uint32 afromvol, afs_uint32 afromserver, afs_int32 afrompart,
7425            afs_int32 fromdate, struct volintSize *vol_size)
7426 {
7427     struct rx_connection *aconn = (struct rx_connection *)0;
7428     afs_int32 tid = 0, rcode = 0;
7429     afs_int32 code, error = 0;
7430
7431
7432     /* get connections to the servers */
7433     aconn = UV_Bind(afromserver, AFSCONF_VOLUMEPORT);
7434
7435     VPRINT1("Starting transaction on volume %u...", afromvol);
7436     code = AFSVolTransCreate_retry(aconn, afromvol, afrompart, ITBusy, &tid);
7437     EGOTO1(error_exit, code,
7438            "Could not start transaction on the volume %u to be measured\n",
7439            afromvol);
7440     VDONE;
7441
7442     VPRINT1("Getting size of volume on volume %u...", afromvol);
7443     code = AFSVolGetSize(aconn, tid, fromdate, vol_size);
7444     EGOTO(error_exit, code, "Could not start the measurement process \n");
7445     VDONE;
7446
7447   error_exit:
7448     if (tid) {
7449         VPRINT1("Ending transaction on volume %u...", afromvol);
7450         code = AFSVolEndTrans(aconn, tid, &rcode);
7451         if (code || rcode) {
7452             fprintf(STDERR, "Could not end transaction on the volume %u\n",
7453                     afromvol);
7454             fprintf(STDERR, "error codes: %d and %d\n", code, rcode);
7455             if (!error)
7456                 error = (code ? code : rcode);
7457         }
7458         VDONE;
7459     }
7460     if (aconn)
7461         rx_DestroyConnection(aconn);
7462
7463     PrintError("", error);
7464     return (error);
7465 }
7466
7467 /*maps the host addresses in <old > (present in network byte order) to
7468  that in< new> (present in host byte order )*/
7469 void
7470 MapNetworkToHost(struct nvldbentry *old, struct nvldbentry *new)
7471 {
7472     int i, count;
7473
7474     memset(new, 0, sizeof(struct nvldbentry));
7475
7476     /*copy all the fields */
7477     strcpy(new->name, old->name);
7478 /*    new->volumeType = old->volumeType;*/
7479     new->nServers = old->nServers;
7480     count = old->nServers;
7481     if (count < NMAXNSERVERS)
7482         count++;
7483     for (i = 0; i < count; i++) {
7484         new->serverNumber[i] = ntohl(old->serverNumber[i]);
7485         new->serverPartition[i] = old->serverPartition[i];
7486         new->serverFlags[i] = old->serverFlags[i];
7487     }
7488     new->volumeId[RWVOL] = old->volumeId[RWVOL];
7489     new->volumeId[ROVOL] = old->volumeId[ROVOL];
7490     new->volumeId[BACKVOL] = old->volumeId[BACKVOL];
7491     new->cloneId = old->cloneId;
7492     new->flags = old->flags;
7493 }
7494
7495 /*maps the host entries in <entry> which are present in host byte order to network byte order */
7496 void
7497 MapHostToNetwork(struct nvldbentry *entry)
7498 {
7499     int i, count;
7500
7501     count = entry->nServers;
7502     if (count < NMAXNSERVERS)
7503         count++;
7504     for (i = 0; i < count; i++) {
7505         entry->serverNumber[i] = htonl(entry->serverNumber[i]);
7506     }
7507 }