git.ozlabs.org Git - ccan/blob - ccan/tdb2/test/run-55-transaction.c

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