git.ozlabs.org Git - ccan/blob - ccan/tdb2/test/run-tdb1-incompatible.c

   1 #include "tdb2-source.h"
   2 #include <ccan/tap/tap.h>
   3 #include <stdlib.h>
   4 #include <err.h>
   5
   6 static unsigned int tdb1_dumb_hash(TDB_DATA *key)
   7 {
   8         return key->dsize;
   9 }
  10
  11 static void log_fn(struct tdb1_context *tdb, enum tdb_log_level level,
  12                    enum TDB_ERROR ecode, const char *message, void *priv)
  13 {
  14         unsigned int *count = priv;
  15         if (strstr(message, "hash"))
  16                 (*count)++;
  17 }
  18
  19 static unsigned int hdr_rwlocks(const char *fname)
  20 {
  21         struct tdb1_header hdr;
  22
  23         int fd = open(fname, O_RDONLY);
  24         if (fd == -1)
  25                 return -1;
  26
  27         if (read(fd, &hdr, sizeof(hdr)) != sizeof(hdr))
  28                 return -1;
  29
  30         close(fd);
  31         return hdr.rwlocks;
  32 }
  33
  34 int main(int argc, char *argv[])
  35 {
  36         struct tdb1_context *tdb;
  37         unsigned int log_count, flags;
  38         TDB_DATA d;
  39         struct tdb1_logging_context log_ctx = { log_fn, &log_count };
  40
  41         plan_tests(38 * 2);
  42
  43         for (flags = 0; flags <= TDB1_CONVERT; flags += TDB1_CONVERT) {
  44                 unsigned int rwmagic = TDB1_HASH_RWLOCK_MAGIC;
  45
  46                 if (flags & TDB1_CONVERT)
  47                         tdb1_convert(&rwmagic, sizeof(rwmagic));
  48
  49                 /* Create an old-style hash. */
  50                 log_count = 0;
  51                 tdb = tdb1_open_ex("run-incompatible.tdb", 0, flags,
  52                                   O_CREAT|O_RDWR|O_TRUNC, 0600, &log_ctx,
  53                                   NULL);
  54                 ok1(tdb);
  55                 ok1(log_count == 0);
  56                 d.dptr = (void *)"Hello";
  57                 d.dsize = 5;
  58                 ok1(tdb1_store(tdb, d, d, TDB_INSERT) == 0);
  59                 tdb1_close(tdb);
  60
  61                 /* Should not have marked rwlocks field. */
  62                 ok1(hdr_rwlocks("run-incompatible.tdb") == 0);
  63
  64                 /* We can still open any old-style with incompat flag. */
  65                 log_count = 0;
  66                 tdb = tdb1_open_ex("run-incompatible.tdb", 0,
  67                                   TDB1_INCOMPATIBLE_HASH,
  68                                   O_RDWR, 0600, &log_ctx, NULL);
  69                 ok1(tdb);
  70                 ok1(log_count == 0);
  71                 d = tdb1_fetch(tdb, d);
  72                 ok1(d.dsize == 5);
  73                 free(d.dptr);
  74                 ok1(tdb1_check(tdb, NULL, NULL) == 0);
  75                 tdb1_close(tdb);
  76
  77                 log_count = 0;
  78                 tdb = tdb1_open_ex("test/jenkins-le-hash.tdb1", 0, 0, O_RDONLY,
  79                                   0, &log_ctx, tdb1_jenkins_hash);
  80                 ok1(tdb);
  81                 ok1(log_count == 0);
  82                 ok1(tdb1_check(tdb, NULL, NULL) == 0);
  83                 tdb1_close(tdb);
  84
  85                 log_count = 0;
  86                 tdb = tdb1_open_ex("test/jenkins-be-hash.tdb1", 0, 0, O_RDONLY,
  87                                   0, &log_ctx, tdb1_jenkins_hash);
  88                 ok1(tdb);
  89                 ok1(log_count == 0);
  90                 ok1(tdb1_check(tdb, NULL, NULL) == 0);
  91                 tdb1_close(tdb);
  92
  93                 /* OK, now create with incompatible flag, default hash. */
  94                 log_count = 0;
  95                 tdb = tdb1_open_ex("run-incompatible.tdb", 0,
  96                                   flags|TDB1_INCOMPATIBLE_HASH,
  97                                   O_CREAT|O_RDWR|O_TRUNC, 0600, &log_ctx,
  98                                   NULL);
  99                 ok1(tdb);
 100                 ok1(log_count == 0);
 101                 d.dptr = (void *)"Hello";
 102                 d.dsize = 5;
 103                 ok1(tdb1_store(tdb, d, d, TDB_INSERT) == 0);
 104                 tdb1_close(tdb);
 105
 106                 /* Should have marked rwlocks field. */
 107                 ok1(hdr_rwlocks("run-incompatible.tdb") == rwmagic);
 108
 109                 /* Cannot open with old hash. */
 110                 log_count = 0;
 111                 tdb = tdb1_open_ex("run-incompatible.tdb", 0, 0,
 112                                   O_RDWR, 0600, &log_ctx, tdb1_old_hash);
 113                 ok1(!tdb);
 114                 ok1(log_count == 1);
 115
 116                 /* Can open with jenkins hash. */
 117                 log_count = 0;
 118                 tdb = tdb1_open_ex("run-incompatible.tdb", 0, 0,
 119                                   O_RDWR, 0600, &log_ctx, tdb1_jenkins_hash);
 120                 ok1(tdb);
 121                 ok1(log_count == 0);
 122                 d = tdb1_fetch(tdb, d);
 123                 ok1(d.dsize == 5);
 124                 free(d.dptr);
 125                 ok1(tdb1_check(tdb, NULL, NULL) == 0);
 126                 tdb1_close(tdb);
 127
 128                 /* Can open by letting it figure it out itself. */
 129                 log_count = 0;
 130                 tdb = tdb1_open_ex("run-incompatible.tdb", 0, 0,
 131                                   O_RDWR, 0600, &log_ctx, NULL);
 132                 ok1(tdb);
 133                 ok1(log_count == 0);
 134                 d.dptr = (void *)"Hello";
 135                 d.dsize = 5;
 136                 d = tdb1_fetch(tdb, d);
 137                 ok1(d.dsize == 5);
 138                 free(d.dptr);
 139                 ok1(tdb1_check(tdb, NULL, NULL) == 0);
 140                 tdb1_close(tdb);
 141
 142                 /* We can also use incompatible hash with other hashes. */
 143                 log_count = 0;
 144                 tdb = tdb1_open_ex("run-incompatible.tdb", 0,
 145                                   flags|TDB1_INCOMPATIBLE_HASH,
 146                                   O_CREAT|O_RDWR|O_TRUNC, 0600, &log_ctx,
 147                                   tdb1_dumb_hash);
 148                 ok1(tdb);
 149                 ok1(log_count == 0);
 150                 d.dptr = (void *)"Hello";
 151                 d.dsize = 5;
 152                 ok1(tdb1_store(tdb, d, d, TDB_INSERT) == 0);
 153                 tdb1_close(tdb);
 154
 155                 /* Should have marked rwlocks field. */
 156                 ok1(hdr_rwlocks("run-incompatible.tdb") == rwmagic);
 157
 158                 /* It should not open if we don't specify. */
 159                 log_count = 0;
 160                 tdb = tdb1_open_ex("run-incompatible.tdb", 0, 0, O_RDWR, 0,
 161                                   &log_ctx, NULL);
 162                 ok1(!tdb);
 163                 ok1(log_count == 1);
 164
 165                 /* Should reopen with correct hash. */
 166                 log_count = 0;
 167                 tdb = tdb1_open_ex("run-incompatible.tdb", 0, 0, O_RDWR, 0,
 168                                   &log_ctx, tdb1_dumb_hash);
 169                 ok1(tdb);
 170                 ok1(log_count == 0);
 171                 d = tdb1_fetch(tdb, d);
 172                 ok1(d.dsize == 5);
 173                 free(d.dptr);
 174                 ok1(tdb1_check(tdb, NULL, NULL) == 0);
 175                 tdb1_close(tdb);
 176         }
 177
 178         return exit_status();
 179 }