lib/tdb2/test/run-tdb1-nested-traverse.c

   1 #include "tdb1-lock-tracking.h"
   2 #define fcntl fcntl_with_lockcheck1
   3 #include "tdb2-source.h"
   4 #include "tap-interface.h"
   5 #undef fcntl
   6 #include <stdlib.h>
   7 #include <stdbool.h>
   8 #include "tdb1-external-agent.h"
   9 #include "logging.h"
  10
  11 static struct agent *agent;
  12
  13 static bool correct_key(TDB_DATA key)
  14 {
  15         return key.dsize == strlen("hi")
  16                 && memcmp(key.dptr, "hi", key.dsize) == 0;
  17 }
  18
  19 static bool correct_data(TDB_DATA data)
  20 {
  21         return data.dsize == strlen("world")
  22                 && memcmp(data.dptr, "world", data.dsize) == 0;
  23 }
  24
  25 static int traverse2(struct tdb_context *tdb, TDB_DATA key, TDB_DATA data,
  26                      void *p)
  27 {
  28         ok1(correct_key(key));
  29         ok1(correct_data(data));
  30         return 0;
  31 }
  32
  33 static int traverse1(struct tdb_context *tdb, TDB_DATA key, TDB_DATA data,
  34                      void *p)
  35 {
  36         ok1(correct_key(key));
  37         ok1(correct_data(data));
  38         ok1(external_agent_operation1(agent, TRANSACTION_START, tdb->name)
  39             == WOULD_HAVE_BLOCKED);
  40         tdb_traverse(tdb, traverse2, NULL);
  41
  42         /* That should *not* release the transaction lock! */
  43         ok1(external_agent_operation1(agent, TRANSACTION_START, tdb->name)
  44             == WOULD_HAVE_BLOCKED);
  45         return 0;
  46 }
  47
  48 int main(int argc, char *argv[])
  49 {
  50         struct tdb_context *tdb;
  51         TDB_DATA key, data;
  52         union tdb_attribute hsize;
  53
  54         hsize.base.attr = TDB_ATTRIBUTE_TDB1_HASHSIZE;
  55         hsize.base.next = &tap_log_attr;
  56         hsize.tdb1_hashsize.hsize = 1024;
  57
  58         plan_tests(17);
  59         agent = prepare_external_agent1();
  60         if (!agent)
  61                 err(1, "preparing agent");
  62
  63         tdb = tdb_open("run-nested-traverse.tdb1", TDB_VERSION1,
  64                        O_CREAT|O_TRUNC|O_RDWR, 0600, &hsize);
  65         ok1(tdb);
  66
  67         ok1(external_agent_operation1(agent, OPEN, tdb->name) == SUCCESS);
  68         ok1(external_agent_operation1(agent, TRANSACTION_START, tdb->name)
  69             == SUCCESS);
  70         ok1(external_agent_operation1(agent, TRANSACTION_COMMIT, tdb->name)
  71             == SUCCESS);
  72
  73         key = tdb_mkdata("hi", strlen("hi"));
  74         data = tdb_mkdata("world", strlen("world"));
  75
  76         ok1(tdb_store(tdb, key, data, TDB_INSERT) == TDB_SUCCESS);
  77         tdb_traverse(tdb, traverse1, NULL);
  78         tdb_add_flag(tdb, TDB_RDONLY);
  79         tdb_traverse(tdb, traverse1, NULL);
  80         tdb_remove_flag(tdb, TDB_RDONLY);
  81         tdb_close(tdb);
  82
  83         return exit_status();
  84 }