git.ozlabs.org Git - ccan/blob - ccan/ntdb/test/run-05-readonly-open.c

   1 #include <ccan/failtest/failtest_override.h>
   2 #include "ntdb-source.h"
   3 #include "tap-interface.h"
   4 #include <ccan/failtest/failtest.h>
   5 #include "logging.h"
   6 #include "failtest_helper.h"
   7
   8 int main(int argc, char *argv[])
   9 {
  10         unsigned int i;
  11         struct ntdb_context *ntdb;
  12         int flags[] = { NTDB_DEFAULT, NTDB_NOMMAP,
  13                         NTDB_CONVERT, NTDB_NOMMAP|NTDB_CONVERT };
  14         NTDB_DATA key = ntdb_mkdata("key", 3);
  15         NTDB_DATA data = ntdb_mkdata("data", 4), d;
  16         union ntdb_attribute seed_attr;
  17         unsigned int msgs = 0;
  18
  19         failtest_init(argc, argv);
  20         failtest_hook = block_repeat_failures;
  21         failtest_exit_check = exit_check_log;
  22
  23         seed_attr.base.attr = NTDB_ATTRIBUTE_SEED;
  24         seed_attr.base.next = &tap_log_attr;
  25         seed_attr.seed.seed = 0;
  26
  27         failtest_suppress = true;
  28         plan_tests(sizeof(flags) / sizeof(flags[0]) * 11);
  29         for (i = 0; i < sizeof(flags) / sizeof(flags[0]); i++) {
  30                 ntdb = ntdb_open("run-05-readonly-open.ntdb",
  31                                  flags[i]|MAYBE_NOSYNC,
  32                                  O_RDWR|O_CREAT|O_TRUNC, 0600,
  33                                  &seed_attr);
  34                 ok1(ntdb_store(ntdb, key, data, NTDB_INSERT) == 0);
  35                 ntdb_close(ntdb);
  36
  37                 failtest_suppress = false;
  38                 ntdb = ntdb_open("run-05-readonly-open.ntdb",
  39                                  flags[i]|MAYBE_NOSYNC,
  40                                  O_RDONLY, 0600, &tap_log_attr);
  41                 if (!ok1(ntdb))
  42                         break;
  43                 ok1(tap_log_messages == msgs);
  44                 /* Fetch should succeed, stores should fail. */
  45                 if (!ok1(ntdb_fetch(ntdb, key, &d) == 0))
  46                         goto fail;
  47                 ok1(ntdb_deq(d, data));
  48                 free(d.dptr);
  49                 if (!ok1(ntdb_store(ntdb, key, data, NTDB_MODIFY)
  50                          == NTDB_ERR_RDONLY))
  51                         goto fail;
  52                 ok1(tap_log_messages == ++msgs);
  53                 if (!ok1(ntdb_store(ntdb, key, data, NTDB_INSERT)
  54                          == NTDB_ERR_RDONLY))
  55                         goto fail;
  56                 ok1(tap_log_messages == ++msgs);
  57                 failtest_suppress = true;
  58                 ok1(ntdb_check(ntdb, NULL, NULL) == 0);
  59                 ntdb_close(ntdb);
  60                 ok1(tap_log_messages == msgs);
  61                 /* SIGH: failtest bug, it doesn't save the ntdb file because
  62                  * we have it read-only.  If we go around again, it gets
  63                  * changed underneath us and things get screwy. */
  64                 if (failtest_has_failed())
  65                         break;
  66         }
  67         failtest_exit(exit_status());
  68
  69 fail:
  70         failtest_suppress = true;
  71         ntdb_close(ntdb);
  72         failtest_exit(exit_status());
  73
  74         /*
  75          * We will never reach this but the compiler complains if we do not
  76          * return in this function.
  77          */
  78         return EFAULT;
  79 }