git.ozlabs.org Git - ccan/blob - ccan/ntdb/test/api-open-multiple-times.c

   1 #include "config.h"
   2 #include "ntdb.h"
   3 #include "tap-interface.h"
   4 #include <stdlib.h>
   5 #include "logging.h"
   6 #include "../private.h"
   7
   8 int main(int argc, char *argv[])
   9 {
  10         unsigned int i;
  11         struct ntdb_context *ntdb, *ntdb2;
  12         NTDB_DATA key = { (unsigned char *)&i, sizeof(i) };
  13         NTDB_DATA data = { (unsigned char *)&i, sizeof(i) };
  14         NTDB_DATA d = { NULL, 0 }; /* Bogus GCC warning */
  15         int flags[] = { NTDB_DEFAULT, NTDB_NOMMAP,
  16                         NTDB_CONVERT, NTDB_NOMMAP|NTDB_CONVERT };
  17
  18         plan_tests(sizeof(flags) / sizeof(flags[0]) * 30);
  19         for (i = 0; i < sizeof(flags) / sizeof(flags[0]); i++) {
  20                 ntdb = ntdb_open("run-open-multiple-times.ntdb",
  21                                  flags[i]|MAYBE_NOSYNC,
  22                                  O_RDWR|O_CREAT|O_TRUNC, 0600, &tap_log_attr);
  23                 ok1(ntdb);
  24                 if (!ntdb)
  25                         continue;
  26
  27                 ntdb2 = ntdb_open("run-open-multiple-times.ntdb",
  28                                   flags[i]|MAYBE_NOSYNC,
  29                                   O_RDWR|O_CREAT, 0600, &tap_log_attr);
  30                 ok1(ntdb_check(ntdb, NULL, NULL) == 0);
  31                 ok1(ntdb_check(ntdb2, NULL, NULL) == 0);
  32                 ok1((flags[i] & NTDB_NOMMAP) || ntdb2->file->map_ptr);
  33
  34                 /* Store in one, fetch in the other. */
  35                 ok1(ntdb_store(ntdb, key, data, NTDB_REPLACE) == 0);
  36                 ok1(ntdb_fetch(ntdb2, key, &d) == NTDB_SUCCESS);
  37                 ok1(ntdb_deq(d, data));
  38                 free(d.dptr);
  39
  40                 /* Vice versa, with delete. */
  41                 ok1(ntdb_delete(ntdb2, key) == 0);
  42                 ok1(ntdb_fetch(ntdb, key, &d) == NTDB_ERR_NOEXIST);
  43
  44                 /* OK, now close first one, check second still good. */
  45                 ok1(ntdb_close(ntdb) == 0);
  46
  47                 ok1((flags[i] & NTDB_NOMMAP) || ntdb2->file->map_ptr);
  48                 ok1(ntdb_store(ntdb2, key, data, NTDB_REPLACE) == 0);
  49                 ok1(ntdb_fetch(ntdb2, key, &d) == NTDB_SUCCESS);
  50                 ok1(ntdb_deq(d, data));
  51                 free(d.dptr);
  52
  53                 /* Reopen */
  54                 ntdb = ntdb_open("run-open-multiple-times.ntdb",
  55                                  flags[i]|MAYBE_NOSYNC,
  56                                  O_RDWR|O_CREAT, 0600, &tap_log_attr);
  57                 ok1(ntdb);
  58
  59                 ok1(ntdb_transaction_start(ntdb2) == 0);
  60
  61                 /* Anything in the other one should fail. */
  62                 ok1(ntdb_fetch(ntdb, key, &d) == NTDB_ERR_LOCK);
  63                 ok1(tap_log_messages == 1);
  64                 ok1(ntdb_store(ntdb, key, data, NTDB_REPLACE) == NTDB_ERR_LOCK);
  65                 ok1(tap_log_messages == 2);
  66                 ok1(ntdb_transaction_start(ntdb) == NTDB_ERR_LOCK);
  67                 ok1(tap_log_messages == 3);
  68                 ok1(ntdb_chainlock(ntdb, key) == NTDB_ERR_LOCK);
  69                 ok1(tap_log_messages == 4);
  70
  71                 /* Transaciton should work as normal. */
  72                 ok1(ntdb_store(ntdb2, key, data, NTDB_REPLACE) == NTDB_SUCCESS);
  73
  74                 /* Now... try closing with locks held. */
  75                 ok1(ntdb_close(ntdb2) == 0);
  76
  77                 ok1(ntdb_fetch(ntdb, key, &d) == NTDB_SUCCESS);
  78                 ok1(ntdb_deq(d, data));
  79                 free(d.dptr);
  80                 ok1(ntdb_close(ntdb) == 0);
  81                 ok1(tap_log_messages == 4);
  82                 tap_log_messages = 0;
  83         }
  84
  85         return exit_status();
  86 }