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 #include "helpapi-external-agent.h"
   8
   9 int main(int argc, char *argv[])
  10 {
  11         unsigned int i;
  12         struct ntdb_context *ntdb, *ntdb2;
  13         NTDB_DATA key = { (unsigned char *)&i, sizeof(i) };
  14         NTDB_DATA data = { (unsigned char *)&i, sizeof(i) };
  15         NTDB_DATA d = { NULL, 0 }; /* Bogus GCC warning */
  16         int flags[] = { NTDB_DEFAULT, NTDB_NOMMAP,
  17                         NTDB_CONVERT, NTDB_NOMMAP|NTDB_CONVERT };
  18
  19         plan_tests(sizeof(flags) / sizeof(flags[0]) * 30);
  20         for (i = 0; i < sizeof(flags) / sizeof(flags[0]); i++) {
  21                 ntdb = ntdb_open("run-open-multiple-times.ntdb",
  22                                  flags[i]|MAYBE_NOSYNC,
  23                                  O_RDWR|O_CREAT|O_TRUNC, 0600, &tap_log_attr);
  24                 ok1(ntdb);
  25                 if (!ntdb)
  26                         continue;
  27
  28                 ntdb2 = ntdb_open("run-open-multiple-times.ntdb",
  29                                   flags[i]|MAYBE_NOSYNC,
  30                                   O_RDWR|O_CREAT, 0600, &tap_log_attr);
  31                 ok1(ntdb_check(ntdb, NULL, NULL) == 0);
  32                 ok1(ntdb_check(ntdb2, NULL, NULL) == 0);
  33                 ok1((flags[i] & NTDB_NOMMAP) || ntdb2->file->map_ptr);
  34
  35                 /* Store in one, fetch in the other. */
  36                 ok1(ntdb_store(ntdb, key, data, NTDB_REPLACE) == 0);
  37                 ok1(ntdb_fetch(ntdb2, key, &d) == NTDB_SUCCESS);
  38                 ok1(ntdb_deq(d, data));
  39                 free(d.dptr);
  40
  41                 /* Vice versa, with delete. */
  42                 ok1(ntdb_delete(ntdb2, key) == 0);
  43                 ok1(ntdb_fetch(ntdb, key, &d) == NTDB_ERR_NOEXIST);
  44
  45                 /* OK, now close first one, check second still good. */
  46                 ok1(ntdb_close(ntdb) == 0);
  47
  48                 ok1((flags[i] & NTDB_NOMMAP) || ntdb2->file->map_ptr);
  49                 ok1(ntdb_store(ntdb2, key, data, NTDB_REPLACE) == 0);
  50                 ok1(ntdb_fetch(ntdb2, key, &d) == NTDB_SUCCESS);
  51                 ok1(ntdb_deq(d, data));
  52                 free(d.dptr);
  53
  54                 /* Reopen */
  55                 ntdb = ntdb_open("run-open-multiple-times.ntdb",
  56                                  flags[i]|MAYBE_NOSYNC,
  57                                  O_RDWR|O_CREAT, 0600, &tap_log_attr);
  58                 ok1(ntdb);
  59
  60                 ok1(ntdb_transaction_start(ntdb2) == 0);
  61
  62                 /* Anything in the other one should fail. */
  63                 ok1(ntdb_fetch(ntdb, key, &d) == NTDB_ERR_LOCK);
  64                 ok1(tap_log_messages == 1);
  65                 ok1(ntdb_store(ntdb, key, data, NTDB_REPLACE) == NTDB_ERR_LOCK);
  66                 ok1(tap_log_messages == 2);
  67                 ok1(ntdb_transaction_start(ntdb) == NTDB_ERR_LOCK);
  68                 ok1(tap_log_messages == 3);
  69                 ok1(ntdb_chainlock(ntdb, key) == NTDB_ERR_LOCK);
  70                 ok1(tap_log_messages == 4);
  71
  72                 /* Transaciton should work as normal. */
  73                 ok1(ntdb_store(ntdb2, key, data, NTDB_REPLACE) == NTDB_SUCCESS);
  74
  75                 /* Now... try closing with locks held. */
  76                 ok1(ntdb_close(ntdb2) == 0);
  77
  78                 ok1(ntdb_fetch(ntdb, key, &d) == NTDB_SUCCESS);
  79                 ok1(ntdb_deq(d, data));
  80                 free(d.dptr);
  81                 ok1(ntdb_close(ntdb) == 0);
  82                 ok1(tap_log_messages == 4);
  83                 tap_log_messages = 0;
  84         }
  85
  86         return exit_status();
  87 }