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

   1 #include <ccan/tdb2/tdb.c>
   2 #include <ccan/tdb2/open.c>
   3 #include <ccan/tdb2/free.c>
   4 #include <ccan/tdb2/lock.c>
   5 #include <ccan/tdb2/io.c>
   6 #include <ccan/tdb2/hash.c>
   7 #include <ccan/tdb2/check.c>
   8 #include <ccan/tdb2/traverse.c>
   9 #include <ccan/tdb2/transaction.c>
  10 #include <ccan/tap/tap.h>
  11 #include "logging.h"
  12
  13 int main(int argc, char *argv[])
  14 {
  15         unsigned int i;
  16         struct tdb_context *tdb;
  17         int flags[] = { TDB_DEFAULT, TDB_NOMMAP,
  18                         TDB_CONVERT,
  19                         TDB_NOMMAP|TDB_CONVERT };
  20
  21         if (sizeof(off_t) <= 4) {
  22                 plan_tests(1);
  23                 pass("No 64 bit off_t");
  24                 return exit_status();
  25         }
  26
  27         plan_tests(sizeof(flags) / sizeof(flags[0]) * 14);
  28         for (i = 0; i < sizeof(flags) / sizeof(flags[0]); i++) {
  29                 off_t old_size;
  30                 TDB_DATA k, d;
  31                 struct hash_info h;
  32                 struct tdb_used_record rec;
  33                 tdb_off_t off;
  34
  35                 tdb = tdb_open("run-64-bit-tdb.tdb", flags[i],
  36                                O_RDWR|O_CREAT|O_TRUNC, 0600, &tap_log_attr);
  37                 ok1(tdb);
  38                 if (!tdb)
  39                         continue;
  40
  41                 old_size = tdb->file->map_size;
  42
  43                 /* This makes a sparse file */
  44                 ok1(ftruncate(tdb->file->fd, 0xFFFFFFF0) == 0);
  45                 ok1(add_free_record(tdb, old_size, 0xFFFFFFF0 - old_size,
  46                                     TDB_LOCK_WAIT, false) == TDB_SUCCESS);
  47
  48                 /* Now add a little record past the 4G barrier. */
  49                 ok1(tdb_expand_file(tdb, 100) == TDB_SUCCESS);
  50                 ok1(add_free_record(tdb, 0xFFFFFFF0, 100, TDB_LOCK_WAIT, false)
  51                     == TDB_SUCCESS);
  52
  53                 ok1(tdb_check(tdb, NULL, NULL) == TDB_SUCCESS);
  54
  55                 /* Test allocation path. */
  56                 k = tdb_mkdata("key", 4);
  57                 d = tdb_mkdata("data", 5);
  58                 ok1(tdb_store(tdb, k, d, TDB_INSERT) == 0);
  59                 ok1(tdb_check(tdb, NULL, NULL) == TDB_SUCCESS);
  60
  61                 /* Make sure it put it at end as we expected. */
  62                 off = find_and_lock(tdb, k, F_RDLCK, &h, &rec, NULL);
  63                 ok1(off >= 0xFFFFFFF0);
  64                 tdb_unlock_hashes(tdb, h.hlock_start, h.hlock_range, F_RDLCK);
  65
  66                 ok1(tdb_fetch(tdb, k, &d) == 0);
  67                 ok1(d.dsize == 5);
  68                 ok1(strcmp((char *)d.dptr, "data") == 0);
  69                 free(d.dptr);
  70
  71                 ok1(tdb_delete(tdb, k) == 0);
  72                 ok1(tdb_check(tdb, NULL, NULL) == TDB_SUCCESS);
  73
  74                 tdb_close(tdb);
  75         }
  76
  77         /* We might get messages about mmap failing, so don't test
  78          * tap_log_messages */
  79         return exit_status();
  80 }