lib/tdb2/test/run-open-multiple-times.c

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