git.ozlabs.org Git - ccan/blob - ccan/tdb2/test/run-seed.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/transaction.c>
   9 #include <ccan/tap/tap.h>
  10 #include "logging.h"
  11
  12 static int log_count = 0;
  13
  14 /* Normally we get a log when setting random seed. */
  15 static void my_log_fn(struct tdb_context *tdb,
  16                       enum tdb_log_level level,
  17                       const char *message, void *priv)
  18 {
  19         log_count++;
  20 }
  21
  22 static union tdb_attribute log_attr = {
  23         .log = { .base = { .attr = TDB_ATTRIBUTE_LOG },
  24                  .fn = my_log_fn }
  25 };
  26
  27 int main(int argc, char *argv[])
  28 {
  29         unsigned int i;
  30         struct tdb_context *tdb;
  31         union tdb_attribute attr;
  32         int flags[] = { TDB_INTERNAL, TDB_DEFAULT, TDB_NOMMAP,
  33                         TDB_INTERNAL|TDB_CONVERT, TDB_CONVERT,
  34                         TDB_NOMMAP|TDB_CONVERT };
  35
  36         attr.seed.base.attr = TDB_ATTRIBUTE_SEED;
  37         attr.seed.base.next = &log_attr;
  38         attr.seed.seed = 42;
  39
  40         plan_tests(sizeof(flags) / sizeof(flags[0]) * 4 + 4 * 3);
  41         for (i = 0; i < sizeof(flags) / sizeof(flags[0]); i++) {
  42                 struct tdb_header hdr;
  43                 int fd;
  44                 tdb = tdb_open("run-seed.tdb", flags[i],
  45                                O_RDWR|O_CREAT|O_TRUNC, 0600, &attr);
  46                 ok1(tdb);
  47                 if (!tdb)
  48                         continue;
  49                 ok1(tdb_check(tdb, NULL, NULL) == 0);
  50                 ok1(tdb->hash_seed == 42);
  51                 ok1(log_count == 0);
  52                 tdb_close(tdb);
  53
  54                 if (flags[i] & TDB_INTERNAL)
  55                         continue;
  56
  57                 fd = open("run-seed.tdb", O_RDONLY);
  58                 ok1(fd >= 0);
  59                 ok1(read(fd, &hdr, sizeof(hdr)) == sizeof(hdr));
  60                 if (flags[i] & TDB_CONVERT)
  61                         ok1(bswap_64(hdr.hash_seed) == 42);
  62                 else
  63                         ok1(hdr.hash_seed == 42);
  64                 close(fd);
  65         }
  66         return exit_status();
  67 }