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

   1 #include "config.h"
   2 #include "tdb2.h"
   3 #include "tap-interface.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, extra_messages;
  13         struct tdb_context *tdb, *tdb2;
  14         struct tdb_data key = { (unsigned char *)&i, sizeof(i) };
  15         struct tdb_data data = { (unsigned char *)&i, sizeof(i) };
  16         struct tdb_data d = { NULL, 0 }; /* Bogus GCC warning */
  17         int flags[] = { TDB_DEFAULT, TDB_NOMMAP,
  18                         TDB_CONVERT, TDB_NOMMAP|TDB_CONVERT,
  19                         TDB_VERSION1, TDB_NOMMAP|TDB_VERSION1,
  20                         TDB_CONVERT|TDB_VERSION1,
  21                         TDB_NOMMAP|TDB_CONVERT|TDB_VERSION1 };
  22
  23         plan_tests(sizeof(flags) / sizeof(flags[0]) * 28);
  24         for (i = 0; i < sizeof(flags) / sizeof(flags[0]); i++) {
  25                 tdb = tdb_open("run-open-multiple-times.tdb", flags[i],
  26                                O_RDWR|O_CREAT|O_TRUNC, 0600, &tap_log_attr);
  27                 ok1(tdb);
  28                 if (!tdb)
  29                         continue;
  30
  31                 if (flags[i] & TDB_VERSION1) {
  32                         extra_messages = 1;
  33                 } else {
  34                         extra_messages = 0;
  35                 }
  36                 tdb2 = tdb_open("run-open-multiple-times.tdb", flags[i],
  37                                 O_RDWR|O_CREAT, 0600, &tap_log_attr);
  38                 ok1(tdb_check(tdb, NULL, NULL) == 0);
  39                 ok1(tdb_check(tdb2, NULL, NULL) == 0);
  40
  41                 /* Store in one, fetch in the other. */
  42                 ok1(tdb_store(tdb, key, data, TDB_REPLACE) == 0);
  43                 ok1(tdb_fetch(tdb2, key, &d) == TDB_SUCCESS);
  44                 ok1(tdb_deq(d, data));
  45                 free(d.dptr);
  46
  47                 /* Vice versa, with delete. */
  48                 ok1(tdb_delete(tdb2, key) == 0);
  49                 ok1(tdb_fetch(tdb, key, &d) == TDB_ERR_NOEXIST);
  50
  51                 /* OK, now close first one, check second still good. */
  52                 ok1(tdb_close(tdb) == 0);
  53
  54                 ok1(tdb_store(tdb2, key, data, TDB_REPLACE) == 0);
  55                 ok1(tdb_fetch(tdb2, key, &d) == TDB_SUCCESS);
  56                 ok1(tdb_deq(d, data));
  57                 free(d.dptr);
  58
  59                 /* Reopen */
  60                 tdb = tdb_open("run-open-multiple-times.tdb", flags[i],
  61                                O_RDWR|O_CREAT, 0600, &tap_log_attr);
  62                 ok1(tdb);
  63
  64                 ok1(tdb_transaction_start(tdb2) == 0);
  65
  66                 /* Anything in the other one should fail. */
  67                 ok1(tdb_fetch(tdb, key, &d) == TDB_ERR_LOCK);
  68                 tap_log_messages -= extra_messages;
  69                 ok1(tap_log_messages == 1);
  70                 ok1(tdb_store(tdb, key, data, TDB_REPLACE) == TDB_ERR_LOCK);
  71                 tap_log_messages -= extra_messages;
  72                 ok1(tap_log_messages == 2);
  73                 ok1(tdb_transaction_start(tdb) == TDB_ERR_LOCK);
  74                 ok1(tap_log_messages == 3);
  75                 ok1(tdb_chainlock(tdb, key) == TDB_ERR_LOCK);
  76                 tap_log_messages -= extra_messages;
  77                 ok1(tap_log_messages == 4);
  78
  79                 /* Transaciton should work as normal. */
  80                 ok1(tdb_store(tdb2, key, data, TDB_REPLACE) == TDB_SUCCESS);
  81
  82                 /* Now... try closing with locks held. */
  83                 ok1(tdb_close(tdb2) == 0);
  84
  85                 ok1(tdb_fetch(tdb, key, &d) == TDB_SUCCESS);
  86                 ok1(tdb_deq(d, data));
  87                 free(d.dptr);
  88                 ok1(tdb_close(tdb) == 0);
  89                 ok1(tap_log_messages == 4);
  90                 tap_log_messages = 0;
  91         }
  92
  93         return exit_status();
  94 }