lib/tdb/test/run-incompatible.c

   1 #include "../common/tdb_private.h"
   2 #include "../common/io.c"
   3 #include "../common/tdb.c"
   4 #include "../common/lock.c"
   5 #include "../common/freelist.c"
   6 #include "../common/traverse.c"
   7 #include "../common/transaction.c"
   8 #include "../common/error.c"
   9 #include "../common/open.c"
  10 #include "../common/check.c"
  11 #include "../common/hash.c"
  12 #include "tap-interface.h"
  13 #include <stdlib.h>
  14 #include <err.h>
  15
  16 static unsigned int tdb_dumb_hash(TDB_DATA *key)
  17 {
  18         return key->dsize;
  19 }
  20
  21 static void log_fn(struct tdb_context *tdb, enum tdb_debug_level level, const char *fmt, ...)
  22 {
  23         unsigned int *count = tdb_get_logging_private(tdb);
  24         if (strstr(fmt, "hash"))
  25                 (*count)++;
  26 }
  27
  28 static unsigned int hdr_rwlocks(const char *fname)
  29 {
  30         struct tdb_header hdr;
  31
  32         int fd = open(fname, O_RDONLY);
  33         if (fd == -1)
  34                 return -1;
  35
  36         if (read(fd, &hdr, sizeof(hdr)) != sizeof(hdr))
  37                 return -1;
  38
  39         close(fd);
  40         return hdr.rwlocks;
  41 }
  42
  43 int main(int argc, char *argv[])
  44 {
  45         struct tdb_context *tdb;
  46         unsigned int log_count, flags;
  47         TDB_DATA d, r;
  48         struct tdb_logging_context log_ctx = { log_fn, &log_count };
  49
  50         plan_tests(38 * 2);
  51
  52         for (flags = 0; flags <= TDB_CONVERT; flags += TDB_CONVERT) {
  53                 unsigned int rwmagic = TDB_HASH_RWLOCK_MAGIC;
  54
  55                 if (flags & TDB_CONVERT)
  56                         tdb_convert(&rwmagic, sizeof(rwmagic));
  57
  58                 /* Create an old-style hash. */
  59                 log_count = 0;
  60                 tdb = tdb_open_ex("run-incompatible.tdb", 0, flags,
  61                                   O_CREAT|O_RDWR|O_TRUNC, 0600, &log_ctx,
  62                                   NULL);
  63                 ok1(tdb);
  64                 ok1(log_count == 0);
  65                 d.dptr = (void *)"Hello";
  66                 d.dsize = 5;
  67                 ok1(tdb_store(tdb, d, d, TDB_INSERT) == 0);
  68                 tdb_close(tdb);
  69
  70                 /* Should not have marked rwlocks field. */
  71                 ok1(hdr_rwlocks("run-incompatible.tdb") == 0);
  72
  73                 /* We can still open any old-style with incompat flag. */
  74                 log_count = 0;
  75                 tdb = tdb_open_ex("run-incompatible.tdb", 0,
  76                                   TDB_INCOMPATIBLE_HASH,
  77                                   O_RDWR, 0600, &log_ctx, NULL);
  78                 ok1(tdb);
  79                 ok1(log_count == 0);
  80                 r = tdb_fetch(tdb, d);
  81                 ok1(r.dsize == 5);
  82                 free(r.dptr);
  83                 ok1(tdb_check(tdb, NULL, NULL) == 0);
  84                 tdb_close(tdb);
  85
  86                 log_count = 0;
  87                 tdb = tdb_open_ex("test/jenkins-le-hash.tdb", 0, 0, O_RDONLY,
  88                                   0, &log_ctx, tdb_jenkins_hash);
  89                 ok1(tdb);
  90                 ok1(log_count == 0);
  91                 ok1(tdb_check(tdb, NULL, NULL) == 0);
  92                 tdb_close(tdb);
  93
  94                 log_count = 0;
  95                 tdb = tdb_open_ex("test/jenkins-be-hash.tdb", 0, 0, O_RDONLY,
  96                                   0, &log_ctx, tdb_jenkins_hash);
  97                 ok1(tdb);
  98                 ok1(log_count == 0);
  99                 ok1(tdb_check(tdb, NULL, NULL) == 0);
 100                 tdb_close(tdb);
 101
 102                 /* OK, now create with incompatible flag, default hash. */
 103                 log_count = 0;
 104                 tdb = tdb_open_ex("run-incompatible.tdb", 0,
 105                                   flags|TDB_INCOMPATIBLE_HASH,
 106                                   O_CREAT|O_RDWR|O_TRUNC, 0600, &log_ctx,
 107                                   NULL);
 108                 ok1(tdb);
 109                 ok1(log_count == 0);
 110                 d.dptr = (void *)"Hello";
 111                 d.dsize = 5;
 112                 ok1(tdb_store(tdb, d, d, TDB_INSERT) == 0);
 113                 tdb_close(tdb);
 114
 115                 /* Should have marked rwlocks field. */
 116                 ok1(hdr_rwlocks("run-incompatible.tdb") == rwmagic);
 117
 118                 /* Cannot open with old hash. */
 119                 log_count = 0;
 120                 tdb = tdb_open_ex("run-incompatible.tdb", 0, 0,
 121                                   O_RDWR, 0600, &log_ctx, tdb_old_hash);
 122                 ok1(!tdb);
 123                 ok1(log_count == 1);
 124
 125                 /* Can open with jenkins hash. */
 126                 log_count = 0;
 127                 tdb = tdb_open_ex("run-incompatible.tdb", 0, 0,
 128                                   O_RDWR, 0600, &log_ctx, tdb_jenkins_hash);
 129                 ok1(tdb);
 130                 ok1(log_count == 0);
 131                 r = tdb_fetch(tdb, d);
 132                 ok1(r.dsize == 5);
 133                 free(r.dptr);
 134                 ok1(tdb_check(tdb, NULL, NULL) == 0);
 135                 tdb_close(tdb);
 136
 137                 /* Can open by letting it figure it out itself. */
 138                 log_count = 0;
 139                 tdb = tdb_open_ex("run-incompatible.tdb", 0, 0,
 140                                   O_RDWR, 0600, &log_ctx, NULL);
 141                 ok1(tdb);
 142                 ok1(log_count == 0);
 143                 r = tdb_fetch(tdb, d);
 144                 ok1(r.dsize == 5);
 145                 free(r.dptr);
 146                 ok1(tdb_check(tdb, NULL, NULL) == 0);
 147                 tdb_close(tdb);
 148
 149                 /* We can also use incompatible hash with other hashes. */
 150                 log_count = 0;
 151                 tdb = tdb_open_ex("run-incompatible.tdb", 0,
 152                                   flags|TDB_INCOMPATIBLE_HASH,
 153                                   O_CREAT|O_RDWR|O_TRUNC, 0600, &log_ctx,
 154                                   tdb_dumb_hash);
 155                 ok1(tdb);
 156                 ok1(log_count == 0);
 157                 d.dptr = (void *)"Hello";
 158                 d.dsize = 5;
 159                 ok1(tdb_store(tdb, d, d, TDB_INSERT) == 0);
 160                 tdb_close(tdb);
 161
 162                 /* Should have marked rwlocks field. */
 163                 ok1(hdr_rwlocks("run-incompatible.tdb") == rwmagic);
 164
 165                 /* It should not open if we don't specify. */
 166                 log_count = 0;
 167                 tdb = tdb_open_ex("run-incompatible.tdb", 0, 0, O_RDWR, 0,
 168                                   &log_ctx, NULL);
 169                 ok1(!tdb);
 170                 ok1(log_count == 1);
 171
 172                 /* Should reopen with correct hash. */
 173                 log_count = 0;
 174                 tdb = tdb_open_ex("run-incompatible.tdb", 0, 0, O_RDWR, 0,
 175                                   &log_ctx, tdb_dumb_hash);
 176                 ok1(tdb);
 177                 ok1(log_count == 0);
 178                 r = tdb_fetch(tdb, d);
 179                 ok1(r.dsize == 5);
 180                 free(r.dptr);
 181                 ok1(tdb_check(tdb, NULL, NULL) == 0);
 182                 tdb_close(tdb);
 183         }
 184
 185         return exit_status();
 186 }