lib/tdb2/test/api-55-transaction.c

   1 #include <ccan/tdb2/private.h> // struct tdb_context
   2 #include <ccan/tdb2/tdb2.h>
   3 #include <ccan/tap/tap.h>
   4 #include <sys/types.h>
   5 #include <sys/stat.h>
   6 #include <fcntl.h>
   7 #include <stdlib.h>
   8 #include "logging.h"
   9
  10 int main(int argc, char *argv[])
  11 {
  12         unsigned int i;
  13         struct tdb_context *tdb;
  14         unsigned char *buffer;
  15         int flags[] = { TDB_DEFAULT, TDB_NOMMAP,
  16                         TDB_CONVERT, TDB_NOMMAP|TDB_CONVERT,
  17                         TDB_VERSION1, TDB_NOMMAP|TDB_VERSION1,
  18                         TDB_CONVERT|TDB_VERSION1,
  19                         TDB_NOMMAP|TDB_CONVERT|TDB_VERSION1 };
  20         struct tdb_data key = tdb_mkdata("key", 3);
  21         struct tdb_data data;
  22
  23         buffer = malloc(1000);
  24         for (i = 0; i < 1000; i++)
  25                 buffer[i] = i;
  26
  27         plan_tests(sizeof(flags) / sizeof(flags[0]) * 20 + 1);
  28
  29         for (i = 0; i < sizeof(flags) / sizeof(flags[0]); i++) {
  30                 tdb = tdb_open("run-55-transaction.tdb", flags[i],
  31                                O_RDWR|O_CREAT|O_TRUNC, 0600, &tap_log_attr);
  32                 ok1(tdb);
  33                 if (!tdb)
  34                         continue;
  35
  36                 ok1(tdb_transaction_start(tdb) == 0);
  37                 data.dptr = buffer;
  38                 data.dsize = 1000;
  39                 ok1(tdb_store(tdb, key, data, TDB_INSERT) == 0);
  40                 ok1(tdb_fetch(tdb, key, &data) == TDB_SUCCESS);
  41                 ok1(data.dsize == 1000);
  42                 ok1(memcmp(data.dptr, buffer, data.dsize) == 0);
  43                 free(data.dptr);
  44
  45                 /* Cancelling a transaction means no store */
  46                 tdb_transaction_cancel(tdb);
  47                 ok1(tdb->file->allrecord_lock.count == 0
  48                     && tdb->file->num_lockrecs == 0);
  49                 ok1(tdb_check(tdb, NULL, NULL) == 0);
  50                 ok1(tdb_fetch(tdb, key, &data) == TDB_ERR_NOEXIST);
  51
  52                 /* Commit the transaction. */
  53                 ok1(tdb_transaction_start(tdb) == 0);
  54                 data.dptr = buffer;
  55                 data.dsize = 1000;
  56                 ok1(tdb_store(tdb, key, data, TDB_INSERT) == 0);
  57                 ok1(tdb_fetch(tdb, key, &data) == TDB_SUCCESS);
  58                 ok1(data.dsize == 1000);
  59                 ok1(memcmp(data.dptr, buffer, data.dsize) == 0);
  60                 free(data.dptr);
  61                 ok1(tdb_transaction_commit(tdb) == 0);
  62                 ok1(tdb->file->allrecord_lock.count == 0
  63                     && tdb->file->num_lockrecs == 0);
  64                 ok1(tdb_check(tdb, NULL, NULL) == 0);
  65                 ok1(tdb_fetch(tdb, key, &data) == TDB_SUCCESS);
  66                 ok1(data.dsize == 1000);
  67                 ok1(memcmp(data.dptr, buffer, data.dsize) == 0);
  68                 free(data.dptr);
  69
  70                 tdb_close(tdb);
  71         }
  72
  73         ok1(tap_log_messages == 0);
  74         free(buffer);
  75         return exit_status();
  76 }