git.ozlabs.org Git - ccan/blob - ccan/tdb2/test/run-64-bit-tdb.c

   1 #include "tdb2-source.h"
   2 #include <ccan/tap/tap.h>
   3 #include "logging.h"
   4
   5 int main(int argc, char *argv[])
   6 {
   7         unsigned int i;
   8         struct tdb_context *tdb;
   9         int flags[] = { TDB_DEFAULT, TDB_NOMMAP,
  10                         TDB_CONVERT,
  11                         TDB_NOMMAP|TDB_CONVERT };
  12
  13         if (sizeof(off_t) <= 4) {
  14                 plan_tests(1);
  15                 pass("No 64 bit off_t");
  16                 return exit_status();
  17         }
  18
  19         plan_tests(sizeof(flags) / sizeof(flags[0]) * 14);
  20         for (i = 0; i < sizeof(flags) / sizeof(flags[0]); i++) {
  21                 off_t old_size;
  22                 TDB_DATA k, d;
  23                 struct hash_info h;
  24                 struct tdb_used_record rec;
  25                 tdb_off_t off;
  26
  27                 tdb = tdb_open("run-64-bit-tdb.tdb", flags[i],
  28                                O_RDWR|O_CREAT|O_TRUNC, 0600, &tap_log_attr);
  29                 ok1(tdb);
  30                 if (!tdb)
  31                         continue;
  32
  33                 old_size = tdb->file->map_size;
  34
  35                 /* This makes a sparse file */
  36                 ok1(ftruncate(tdb->file->fd, 0xFFFFFFF0) == 0);
  37                 ok1(add_free_record(tdb, old_size, 0xFFFFFFF0 - old_size,
  38                                     TDB_LOCK_WAIT, false) == TDB_SUCCESS);
  39
  40                 /* Now add a little record past the 4G barrier. */
  41                 ok1(tdb_expand_file(tdb, 100) == TDB_SUCCESS);
  42                 ok1(add_free_record(tdb, 0xFFFFFFF0, 100, TDB_LOCK_WAIT, false)
  43                     == TDB_SUCCESS);
  44
  45                 ok1(tdb_check(tdb, NULL, NULL) == TDB_SUCCESS);
  46
  47                 /* Test allocation path. */
  48                 k = tdb_mkdata("key", 4);
  49                 d = tdb_mkdata("data", 5);
  50                 ok1(tdb_store(tdb, k, d, TDB_INSERT) == 0);
  51                 ok1(tdb_check(tdb, NULL, NULL) == TDB_SUCCESS);
  52
  53                 /* Make sure it put it at end as we expected. */
  54                 off = find_and_lock(tdb, k, F_RDLCK, &h, &rec, NULL);
  55                 ok1(off >= 0xFFFFFFF0);
  56                 tdb_unlock_hashes(tdb, h.hlock_start, h.hlock_range, F_RDLCK);
  57
  58                 ok1(tdb_fetch(tdb, k, &d) == 0);
  59                 ok1(d.dsize == 5);
  60                 ok1(strcmp((char *)d.dptr, "data") == 0);
  61                 free(d.dptr);
  62
  63                 ok1(tdb_delete(tdb, k) == 0);
  64                 ok1(tdb_check(tdb, NULL, NULL) == TDB_SUCCESS);
  65
  66                 tdb_close(tdb);
  67         }
  68
  69         /* We might get messages about mmap failing, so don't test
  70          * tap_log_messages */
  71         return exit_status();
  72 }