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

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