src/ptserver/ptubik.c

   1 /* $Id$ */
   2
   3 #include <afsconfig.h>
   4 #include <afs/param.h>
   5 #include <afs/stds.h>
   6
   7 #include <roken.h>
   8
   9 #include <lock.h>
  10 #include <afs/cellconfig.h>
  11 #define UBIK_INTERNALS
  12 #include <ubik.h>
  13 #include <rx/xdr.h>
  14
  15 #include "ptint.h"
  16 #include "ptserver.h"
  17
  18 extern int dbase_fd;
  19 struct ubik_dbase *dbase;
  20
  21 int
  22 ubik_ServerInit(afs_uint32 myHost, short myPort, afs_uint32 serverList[],
  23                 const char *pathName, struct ubik_dbase **dbase)
  24 {
  25     return (0);
  26 }
  27
  28 int
  29 ubik_BeginTrans(struct ubik_dbase *dbase, afs_int32 transMode,
  30                 struct ubik_trans **transPtr)
  31 {
  32     static int init = 0;
  33     struct ubik_hdr thdr;
  34     ssize_t count;
  35
  36     if (!init) {
  37         memset(&thdr, 0, sizeof(thdr));
  38         thdr.version.epoch = htonl(2);
  39         thdr.version.counter = htonl(0);
  40         thdr.magic = htonl(UBIK_MAGIC);
  41         thdr.size = htons(HDRSIZE);
  42         if (lseek(dbase_fd, 0, 0) == (off_t)-1)
  43             return errno;
  44         count = write(dbase_fd, &thdr, sizeof(thdr));
  45         if (count < 0)
  46             return errno;
  47         else if (count != sizeof(thdr))
  48             return UIOERROR;
  49         if (fsync(dbase_fd))
  50             return errno;
  51         init = 1;
  52     }
  53     return (0);
  54 }
  55
  56 int
  57 ubik_BeginTransReadAny(struct ubik_dbase *dbase, afs_int32 transMode,
  58                        struct ubik_trans **transPtr)
  59 {
  60     return (0);
  61 }
  62
  63 int
  64 ubik_AbortTrans(struct ubik_trans *transPtr)
  65 {
  66     return (0);
  67 }
  68
  69 int
  70 ubik_EndTrans(struct ubik_trans *transPtr)
  71 {
  72     return (0);
  73 }
  74
  75 int
  76 ubik_Tell(struct ubik_trans *transPtr, afs_int32 * fileid,
  77           afs_int32 * position)
  78 {
  79     return (0);
  80 }
  81
  82 int
  83 ubik_Truncate(struct ubik_trans *transPtr, afs_int32 length)
  84 {
  85     return (0);
  86 }
  87
  88 int
  89 ubik_SetLock(struct ubik_trans *atrans, afs_int32 apos, afs_int32 alen,
  90              int atype)
  91 {
  92     return (0);
  93 }
  94
  95 int
  96 ubik_WaitVersion(struct ubik_dbase *adatabase,
  97                  struct ubik_version *aversion)
  98 {
  99     return (0);
 100 }
 101
 102 int
 103 ubik_CheckCache(struct ubik_trans *atrans, ubik_updatecache_func cbf, void *rock)
 104 {
 105     return (*cbf)(atrans, rock);
 106 }
 107
 108 void
 109 panic(char *format, ...)
 110 {
 111     va_list ap;
 112
 113     va_start(ap, format);
 114     vprintf(format, ap);
 115     va_end(ap);
 116
 117     abort();
 118     printf("BACK FROM ABORT\n");        /* shouldn't come back from floating pt exception */
 119     exit(1);                    /* never know, though */
 120 }
 121
 122 int
 123 ubik_GetVersion(struct ubik_trans *dummy, struct ubik_version *ver)
 124 {
 125     memset(ver, 0, sizeof(struct ubik_version));
 126     return (0);
 127 }
 128
 129
 130 int
 131 ubik_Seek(struct ubik_trans *tt, afs_int32 afd, afs_int32 pos)
 132 {
 133     if (lseek(dbase_fd, pos + HDRSIZE, 0) < 0) {
 134         perror("ubik_Seek");
 135         return (-1);
 136     }
 137     return (0);
 138 }
 139
 140 int
 141 ubik_Write(struct ubik_trans *tt, void *buf, afs_int32 len)
 142 {
 143     int status;
 144
 145     status = write(dbase_fd, buf, len);
 146     if (status < len) {
 147         perror("ubik_Write");
 148         return (1);
 149     }
 150     return (0);
 151 }
 152
 153 int
 154 ubik_Read(struct ubik_trans *tt, void *buf, afs_int32 len)
 155 {
 156     int status;
 157
 158     status = read(dbase_fd, buf, len);
 159     if (status < 0) {
 160         perror("ubik_Read");
 161         return (1);
 162     }
 163     if (status < len)
 164         memset((char *)buf + status, 0, len - status);
 165     return (0);
 166 }
 167
 168
 169 /* Global declarations from ubik.c */
 170 afs_int32 ubik_quorum = 0;
 171 struct ubik_dbase *ubik_dbase = 0;
 172 struct ubik_stats ubik_stats;
 173 afs_uint32 ubik_host[UBIK_MAX_INTERFACE_ADDR];
 174 afs_int32 ubik_epochTime = 0;
 175 afs_int32 urecovery_state = 0;
 176
 177 struct rx_securityClass *ubik_sc[3];
 178
 179
 180 /* Other declarations */
 181
 182 int
 183 afsconf_GetNoAuthFlag(struct afsconf_dir *adir)
 184 {
 185     return (1);
 186 }
 187
 188
 189 char *prdir = "/dev/null";
 190 struct prheader cheader;