git.ozlabs.org Git - ccan/blob - ccan/tdb2/test/run-open-multiple-times.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, extra_messages;
   8         struct tdb_context *tdb, *tdb2;
   9         struct tdb_data key = { (unsigned char *)&i, sizeof(i) };
  10         struct tdb_data data = { (unsigned char *)&i, sizeof(i) };
  11         struct tdb_data d = { NULL, 0 }; /* Bogus GCC warning */
  12         int flags[] = { TDB_DEFAULT, TDB_NOMMAP,
  13                         TDB_CONVERT, TDB_NOMMAP|TDB_CONVERT,
  14                         TDB_VERSION1, TDB_NOMMAP|TDB_VERSION1,
  15                         TDB_CONVERT|TDB_VERSION1,
  16                         TDB_NOMMAP|TDB_CONVERT|TDB_VERSION1 };
  17
  18         plan_tests(sizeof(flags) / sizeof(flags[0]) * 28);
  19         for (i = 0; i < sizeof(flags) / sizeof(flags[0]); i++) {
  20                 tdb = tdb_open("run-open-multiple-times.tdb", flags[i],
  21                                O_RDWR|O_CREAT|O_TRUNC, 0600, &tap_log_attr);
  22                 ok1(tdb);
  23                 if (!tdb)
  24                         continue;
  25
  26                 if (flags[i] & TDB_VERSION1) {
  27                         extra_messages = 1;
  28                 } else {
  29                         extra_messages = 0;
  30                 }
  31                 tdb2 = tdb_open("run-open-multiple-times.tdb", flags[i],
  32                                 O_RDWR|O_CREAT, 0600, &tap_log_attr);
  33                 ok1(tdb_check(tdb, NULL, NULL) == 0);
  34                 ok1(tdb_check(tdb2, NULL, NULL) == 0);
  35
  36                 /* Store in one, fetch in the other. */
  37                 ok1(tdb_store(tdb, key, data, TDB_REPLACE) == 0);
  38                 ok1(tdb_fetch(tdb2, key, &d) == TDB_SUCCESS);
  39                 ok1(tdb_deq(d, data));
  40                 free(d.dptr);
  41
  42                 /* Vice versa, with delete. */
  43                 ok1(tdb_delete(tdb2, key) == 0);
  44                 ok1(tdb_fetch(tdb, key, &d) == TDB_ERR_NOEXIST);
  45
  46                 /* OK, now close first one, check second still good. */
  47                 ok1(tdb_close(tdb) == 0);
  48
  49                 ok1(tdb_store(tdb2, key, data, TDB_REPLACE) == 0);
  50                 ok1(tdb_fetch(tdb2, key, &d) == TDB_SUCCESS);
  51                 ok1(tdb_deq(d, data));
  52                 free(d.dptr);
  53
  54                 /* Reopen */
  55                 tdb = tdb_open("run-open-multiple-times.tdb", flags[i],
  56                                O_RDWR|O_CREAT, 0600, &tap_log_attr);
  57                 ok1(tdb);
  58
  59                 ok1(tdb_transaction_start(tdb2) == 0);
  60
  61                 /* Anything in the other one should fail. */
  62                 ok1(tdb_fetch(tdb, key, &d) == TDB_ERR_LOCK);
  63                 tap_log_messages -= extra_messages;
  64                 ok1(tap_log_messages == 1);
  65                 ok1(tdb_store(tdb, key, data, TDB_REPLACE) == TDB_ERR_LOCK);
  66                 tap_log_messages -= extra_messages;
  67                 ok1(tap_log_messages == 2);
  68                 ok1(tdb_transaction_start(tdb) == TDB_ERR_LOCK);
  69                 ok1(tap_log_messages == 3);
  70                 ok1(tdb_chainlock(tdb, key) == TDB_ERR_LOCK);
  71                 tap_log_messages -= extra_messages;
  72                 ok1(tap_log_messages == 4);
  73
  74                 /* Transaciton should work as normal. */
  75                 ok1(tdb_store(tdb2, key, data, TDB_REPLACE) == TDB_SUCCESS);
  76
  77                 /* Now... try closing with locks held. */
  78                 ok1(tdb_close(tdb2) == 0);
  79
  80                 ok1(tdb_fetch(tdb, key, &d) == TDB_SUCCESS);
  81                 ok1(tdb_deq(d, data));
  82                 free(d.dptr);
  83                 ok1(tdb_close(tdb) == 0);
  84                 ok1(tap_log_messages == 4);
  85                 tap_log_messages = 0;
  86         }
  87
  88         return exit_status();
  89 }