lib/tdb/test/run-traverse-chain.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 "../common/mutex.c"
  13 #include "tap-interface.h"
  14 #include <stdlib.h>
  15 #include "logging.h"
  16
  17 static char keystr0[] = "x";
  18 static TDB_DATA key0 = { .dptr = (uint8_t *)keystr0,
  19                          .dsize = sizeof(keystr0) };
  20 static char valuestr0[] = "y";
  21 static TDB_DATA value0 = { .dptr = (uint8_t *)valuestr0,
  22                            .dsize = sizeof(valuestr0) };
  23
  24 static char keystr1[] = "aaa";
  25 static TDB_DATA key1 = { .dptr = (uint8_t *)keystr1,
  26                          .dsize = sizeof(keystr1) };
  27 static char valuestr1[] = "bbbbb";
  28 static TDB_DATA value1 = { .dptr = (uint8_t *)valuestr1,
  29                            .dsize = sizeof(valuestr1) };
  30
  31 static TDB_DATA *keys[] = { &key0, &key1 };
  32 static TDB_DATA *values[] = { &value0, &value1 };
  33
  34 static bool tdb_data_same(TDB_DATA d1, TDB_DATA d2)
  35 {
  36         if (d1.dsize != d2.dsize) {
  37                 return false;
  38         }
  39         return (memcmp(d1.dptr, d2.dptr, d1.dsize) == 0);
  40 }
  41
  42 struct traverse_chain_state {
  43         size_t idx;
  44         bool ok;
  45 };
  46
  47 static int traverse_chain_fn(struct tdb_context *tdb,
  48                              TDB_DATA key,
  49                              TDB_DATA data,
  50                              void *private_data)
  51 {
  52         struct traverse_chain_state *state = private_data;
  53
  54         state->ok &= tdb_data_same(key, *keys[state->idx]);
  55         state->ok &= tdb_data_same(data, *values[state->idx]);
  56         state->idx += 1;
  57
  58         return 0;
  59 }
  60
  61 int main(int argc, char *argv[])
  62 {
  63         struct tdb_context *tdb;
  64         struct traverse_chain_state state = { .ok = true };
  65         int ret;
  66
  67         plan_tests(4);
  68
  69         tdb = tdb_open_ex(
  70                 "traverse_chain.tdb",
  71                 1,
  72                 TDB_CLEAR_IF_FIRST,
  73                 O_RDWR|O_CREAT,
  74                 0600,
  75                 &taplogctx,
  76                 NULL);
  77         ok1(tdb);
  78
  79         /* add in reverse order, tdb_store adds to the front of the list */
  80         ret = tdb_store(tdb, key1, value1, TDB_INSERT);
  81         ok1(ret == 0);
  82         ret = tdb_store(tdb, key0, value0, TDB_INSERT);
  83         ok1(ret == 0);
  84
  85         ret = tdb_traverse_key_chain(tdb, key0, traverse_chain_fn, &state);
  86         ok1(ret == 2);
  87         ok1(state.ok);
  88
  89         unlink(tdb_name(tdb));
  90
  91         tdb_close(tdb);
  92
  93         return exit_status();
  94 }