src/budb/globals.h

   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 /*
  11  * global configuration information for the database server
  12  * ------------------
  13  */
  14
  15 #define DEFAULT_DBPREFIX "bdb"  /* db name prefix */
  16
  17 /* debug and test flags */
  18
  19 #define DF_NOAUTH               0x1     /* no authentication */
  20 #define DF_RECHECKNOAUTH        0x2     /* recheck no authentication ? */
  21 #define DF_SMALLHT              0x4     /* use small hash tables */
  22 #define DF_TRUNCATEDB           0x8     /* truncate database on startup */
  23
  24 extern int debugging;           /* for controlling debug output */
  25
  26 struct buServerConfS {
  27     /* global configuration */
  28     char *databaseDirectory;    /* where database is placed */
  29     char *databaseName;         /* database file name */
  30     char *databaseExtension;    /* extension (depends on ubik) */
  31
  32     /* ubik and comm. related */
  33     afs_uint32 myHost;
  34     afs_uint32 serverList[MAXSERVERS];  /* list of ubik servers */
  35     char *cellConfigdir;        /* afs cell config. directory */
  36     struct ubik_dbase *database;        /* handle for the database */
  37
  38     /* debug and test */
  39     afs_uint32 debugFlags;
  40 };
  41
  42 typedef struct buServerConfS buServerConfT;
  43 typedef buServerConfT *buServerConfP;
  44
  45 extern buServerConfP globalConfPtr;
  46
  47 /* for synchronizing the threads dumping the database */
  48
  49 #define DS_WAITING      1       /* reader/writer sleeping */
  50 #define DS_DONE         2       /* finished */
  51 #define DS_DONE_ERROR   4       /* finished with errors */
  52
  53 #define DUMP_TTL_INC    300     /* secs. before dump times out */
  54
  55 #include <time.h>
  56
  57 struct dumpSyncS {
  58     struct Lock ds_lock;        /* for this struct. */
  59     afs_int32 statusFlags;      /* 0, or 1 for dump in progress */
  60     int pipeFid[2];             /* pipe between threads */
  61 #ifdef AFS_PTHREAD_ENV
  62     pthread_mutex_t ds_writerStatus_mutex;
  63     pthread_mutex_t ds_readerStatus_mutex;
  64     pthread_cond_t ds_writerStatus_cond;
  65     pthread_cond_t ds_readerStatus_cond;
  66     pthread_t dumperPid;
  67 #else
  68     PROCESS dumperPid;          /* pid of dumper lwp */
  69 #endif
  70     char ds_writerStatus;
  71     char ds_readerStatus;
  72
  73     struct ubik_trans *ut;      /* dump db transaction */
  74     afs_int32 ds_bytes;         /* no. of bytes buffered */
  75     time_t timeToLive;          /* time. After this, kill the dump */
  76 };
  77
  78 typedef struct dumpSyncS dumpSyncT;
  79 typedef dumpSyncT *dumpSyncP;
  80
  81 extern dumpSyncP dumpSyncPtr;   /* defined in dbs_dump.c */