ctdb/lib/tdb/test/run-traverse-in-transaction.c

   1 #include "lock-tracking.h"
   2 #include "../common/tdb_private.h"
   3 #define fcntl fcntl_with_lockcheck
   4 #include "../common/io.c"
   5 #include "../common/tdb.c"
   6 #include "../common/lock.c"
   7 #include "../common/freelist.c"
   8 #include "../common/traverse.c"
   9 #include "../common/transaction.c"
  10 #include "../common/error.c"
  11 #include "../common/open.c"
  12 #include "../common/check.c"
  13 #include "../common/hash.c"
  14 #include "tap-interface.h"
  15 #undef fcntl_with_lockcheck
  16 #include <stdlib.h>
  17 #include <stdbool.h>
  18 #include "external-agent.h"
  19 #include "logging.h"
  20
  21 static struct agent *agent;
  22
  23 static bool correct_key(TDB_DATA key)
  24 {
  25         return key.dsize == strlen("hi")
  26                 && memcmp(key.dptr, "hi", key.dsize) == 0;
  27 }
  28
  29 static bool correct_data(TDB_DATA data)
  30 {
  31         return data.dsize == strlen("world")
  32                 && memcmp(data.dptr, "world", data.dsize) == 0;
  33 }
  34
  35 static int traverse(struct tdb_context *tdb, TDB_DATA key, TDB_DATA data,
  36                      void *p)
  37 {
  38         ok1(correct_key(key));
  39         ok1(correct_data(data));
  40         return 0;
  41 }
  42
  43 int main(int argc, char *argv[])
  44 {
  45         struct tdb_context *tdb;
  46         TDB_DATA key, data;
  47
  48         plan_tests(13);
  49         agent = prepare_external_agent();
  50
  51         tdb = tdb_open_ex("run-traverse-in-transaction.tdb",
  52                           1024, TDB_CLEAR_IF_FIRST, O_CREAT|O_TRUNC|O_RDWR,
  53                           0600, &taplogctx, NULL);
  54         ok1(tdb);
  55
  56         key.dsize = strlen("hi");
  57         key.dptr = (void *)"hi";
  58         data.dptr = (void *)"world";
  59         data.dsize = strlen("world");
  60
  61         ok1(tdb_store(tdb, key, data, TDB_INSERT) == 0);
  62
  63         ok1(external_agent_operation(agent, OPEN, tdb_name(tdb)) == SUCCESS);
  64
  65         ok1(tdb_transaction_start(tdb) == 0);
  66         ok1(external_agent_operation(agent, TRANSACTION_START, tdb_name(tdb))
  67             == WOULD_HAVE_BLOCKED);
  68         tdb_traverse(tdb, traverse, NULL);
  69
  70         /* That should *not* release the transaction lock! */
  71         ok1(external_agent_operation(agent, TRANSACTION_START, tdb_name(tdb))
  72             == WOULD_HAVE_BLOCKED);
  73         tdb_traverse_read(tdb, traverse, NULL);
  74
  75         /* That should *not* release the transaction lock! */
  76         ok1(external_agent_operation(agent, TRANSACTION_START, tdb_name(tdb))
  77             == WOULD_HAVE_BLOCKED);
  78         ok1(tdb_transaction_commit(tdb) == 0);
  79         /* Now we should be fine. */
  80         ok1(external_agent_operation(agent, TRANSACTION_START, tdb_name(tdb))
  81             == SUCCESS);
  82
  83         tdb_close(tdb);
  84
  85         return exit_status();
  86 }