git.ozlabs.org Git - ccan/blob - ccan/tdb/test/run-traverse-in-transaction.c

   1 #define _XOPEN_SOURCE 500
   2 #include <ccan/tdb/tdb.h>
   3 #include <ccan/tdb/io.c>
   4 #include <ccan/tdb/tdb.c>
   5 #include <ccan/tdb/lock.c>
   6 #include <ccan/tdb/freelist.c>
   7 #include <ccan/tdb/traverse.c>
   8 #include <ccan/tdb/transaction.c>
   9 #include <ccan/tdb/error.c>
  10 #include <ccan/tdb/open.c>
  11 #include <ccan/tdb/check.c>
  12 #include <ccan/tap/tap.h>
  13 #include <stdlib.h>
  14 #include <stdbool.h>
  15 #include <err.h>
  16 #include "external-transaction.h"
  17
  18 static struct agent *agent;
  19
  20 static bool correct_key(TDB_DATA key)
  21 {
  22         return key.dsize == strlen("hi")
  23                 && memcmp(key.dptr, "hi", key.dsize) == 0;
  24 }
  25
  26 static bool correct_data(TDB_DATA data)
  27 {
  28         return data.dsize == strlen("world")
  29                 && memcmp(data.dptr, "world", data.dsize) == 0;
  30 }
  31
  32 static int traverse(struct tdb_context *tdb, TDB_DATA key, TDB_DATA data,
  33                      void *p)
  34 {
  35         ok1(correct_key(key));
  36         ok1(correct_data(data));
  37         return 0;
  38 }
  39
  40 int main(int argc, char *argv[])
  41 {
  42         struct tdb_context *tdb;
  43         TDB_DATA key, data;
  44
  45         plan_tests(13);
  46         agent = prepare_external_agent();
  47         if (!agent)
  48                 err(1, "preparing agent");
  49
  50         tdb = tdb_open("/tmp/test2.tdb", 1024, TDB_CLEAR_IF_FIRST,
  51                        O_CREAT|O_TRUNC|O_RDWR, 0600);
  52         ok1(tdb);
  53
  54         key.dsize = strlen("hi");
  55         key.dptr = (void *)"hi";
  56         data.dptr = (void *)"world";
  57         data.dsize = strlen("world");
  58
  59         ok1(tdb_store(tdb, key, data, TDB_INSERT) == 0);
  60
  61         ok1(external_agent_operation(agent, TRANSACTION, tdb_name(tdb)));
  62
  63         ok1(tdb_transaction_start(tdb) == 0);
  64         ok1(!external_agent_operation(agent, TRANSACTION, tdb_name(tdb)));
  65         tdb_traverse(tdb, traverse, NULL);
  66
  67         /* That should *not* release the transaction lock! */
  68         ok1(!external_agent_operation(agent, TRANSACTION, tdb_name(tdb)));
  69         tdb_traverse_read(tdb, traverse, NULL);
  70
  71         /* That should *not* release the transaction lock! */
  72         ok1(!external_agent_operation(agent, TRANSACTION, tdb_name(tdb)));
  73         ok1(tdb_transaction_commit(tdb) == 0);
  74         /* Now we should be fine. */
  75         ok1(external_agent_operation(agent, TRANSACTION, tdb_name(tdb)));
  76
  77         tdb_close(tdb);
  78
  79         return exit_status();
  80 }