lib/tdb/test/run-nested-traverse.c

   1 #include "../common/tdb_private.h"
   2 #include "lock-tracking.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 "../common/mutex.c"
  15 #include "tap-interface.h"
  16 #undef fcntl
  17 #include <stdlib.h>
  18 #include <stdbool.h>
  19 #include "external-agent.h"
  20 #include "logging.h"
  21
  22 static struct agent *agent;
  23
  24 static bool correct_key(TDB_DATA key)
  25 {
  26         return key.dsize == strlen("hi")
  27                 && memcmp(key.dptr, "hi", key.dsize) == 0;
  28 }
  29
  30 static bool correct_data(TDB_DATA data)
  31 {
  32         return data.dsize == strlen("world")
  33                 && memcmp(data.dptr, "world", data.dsize) == 0;
  34 }
  35
  36 static int traverse2(struct tdb_context *tdb, TDB_DATA key, TDB_DATA data,
  37                      void *p)
  38 {
  39         ok1(correct_key(key));
  40         ok1(correct_data(data));
  41         return 0;
  42 }
  43
  44 static int traverse1r(struct tdb_context *tdb, TDB_DATA key, TDB_DATA data,
  45                      void *p)
  46 {
  47         ok1(correct_key(key));
  48         ok1(correct_data(data));
  49         ok1(external_agent_operation(agent, TRANSACTION_START, tdb_name(tdb))
  50             == SUCCESS);
  51         ok1(external_agent_operation(agent, STORE, tdb_name(tdb))
  52             == SUCCESS);
  53         ok1(external_agent_operation(agent, TRANSACTION_COMMIT, tdb_name(tdb))
  54             == WOULD_HAVE_BLOCKED);
  55         tdb_traverse(tdb, traverse2, NULL);
  56
  57         /* That should *not* release the all-records lock! */
  58         ok1(external_agent_operation(agent, TRANSACTION_START, tdb_name(tdb))
  59             == SUCCESS);
  60         ok1(external_agent_operation(agent, STORE, tdb_name(tdb))
  61             == SUCCESS);
  62         ok1(external_agent_operation(agent, TRANSACTION_COMMIT, tdb_name(tdb))
  63             == WOULD_HAVE_BLOCKED);
  64         return 0;
  65 }
  66
  67 static int traverse1w(struct tdb_context *tdb, TDB_DATA key, TDB_DATA data,
  68                      void *p)
  69 {
  70         ok1(correct_key(key));
  71         ok1(correct_data(data));
  72         ok1(external_agent_operation(agent, TRANSACTION_START, tdb_name(tdb))
  73             == WOULD_HAVE_BLOCKED);
  74         tdb_traverse(tdb, traverse2, NULL);
  75
  76         /* That should *not* release the all-records lock! */
  77         ok1(external_agent_operation(agent, TRANSACTION_START, tdb_name(tdb))
  78             == WOULD_HAVE_BLOCKED);
  79         return 0;
  80 }
  81
  82 int main(int argc, char *argv[])
  83 {
  84         struct tdb_context *tdb;
  85         TDB_DATA key, data;
  86
  87         plan_tests(17);
  88         agent = prepare_external_agent();
  89
  90         tdb = tdb_open_ex("run-nested-traverse.tdb", 1024, TDB_CLEAR_IF_FIRST,
  91                           O_CREAT|O_TRUNC|O_RDWR, 0600, &taplogctx, NULL);
  92         ok1(tdb);
  93
  94         ok1(external_agent_operation(agent, OPEN, tdb_name(tdb)) == SUCCESS);
  95         ok1(external_agent_operation(agent, TRANSACTION_START, tdb_name(tdb))
  96             == SUCCESS);
  97         ok1(external_agent_operation(agent, TRANSACTION_COMMIT, tdb_name(tdb))
  98             == SUCCESS);
  99
 100         key.dsize = strlen("hi");
 101         key.dptr = discard_const_p(uint8_t, "hi");
 102         data.dptr = discard_const_p(uint8_t, "world");
 103         data.dsize = strlen("world");
 104
 105         ok1(tdb_store(tdb, key, data, TDB_INSERT) == 0);
 106         tdb_traverse(tdb, traverse1w, NULL);
 107         tdb_traverse_read(tdb, traverse1r, NULL);
 108         tdb_close(tdb);
 109
 110         return exit_status();
 111 }