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

   1 #define _XOPEN_SOURCE 500
   2 #include "lock-tracking.h"
   3 #define fcntl fcntl_with_lockcheck
   4 #include <ccan/tdb/tdb.h>
   5 #include <ccan/tdb/io.c>
   6 #include <ccan/tdb/tdb.c>
   7 #include <ccan/tdb/lock.c>
   8 #include <ccan/tdb/freelist.c>
   9 #include <ccan/tdb/traverse.c>
  10 #include <ccan/tdb/transaction.c>
  11 #include <ccan/tdb/error.c>
  12 #include <ccan/tdb/open.c>
  13 #include <ccan/tdb/check.c>
  14 #include <ccan/tdb/hash.c>
  15 #include <ccan/tap/tap.h>
  16 #undef fcntl
  17 #include <stdlib.h>
  18 #include <stdbool.h>
  19 #include <err.h>
  20 #include "external-agent.h"
  21 #include "logging.h"
  22
  23 static struct agent *agent;
  24
  25 static bool correct_key(TDB_DATA key)
  26 {
  27         return key.dsize == strlen("hi")
  28                 && memcmp(key.dptr, "hi", key.dsize) == 0;
  29 }
  30
  31 static bool correct_data(TDB_DATA data)
  32 {
  33         return data.dsize == strlen("world")
  34                 && memcmp(data.dptr, "world", data.dsize) == 0;
  35 }
  36
  37 static int traverse2(struct tdb_context *tdb, TDB_DATA key, TDB_DATA data,
  38                      void *p)
  39 {
  40         ok1(correct_key(key));
  41         ok1(correct_data(data));
  42         return 0;
  43 }
  44
  45 static int traverse1(struct tdb_context *tdb, TDB_DATA key, TDB_DATA data,
  46                      void *p)
  47 {
  48         ok1(correct_key(key));
  49         ok1(correct_data(data));
  50         ok1(external_agent_operation(agent, TRANSACTION_START, tdb_name(tdb))
  51             == WOULD_HAVE_BLOCKED);
  52         tdb_traverse(tdb, traverse2, NULL);
  53
  54         /* That should *not* release the transaction lock! */
  55         ok1(external_agent_operation(agent, TRANSACTION_START, tdb_name(tdb))
  56             == WOULD_HAVE_BLOCKED);
  57         return 0;
  58 }
  59
  60 int main(int argc, char *argv[])
  61 {
  62         struct tdb_context *tdb;
  63         TDB_DATA key, data;
  64
  65         plan_tests(17);
  66         agent = prepare_external_agent();
  67         if (!agent)
  68                 err(1, "preparing agent");
  69
  70         tdb = tdb_open_ex("run-nested-traverse.tdb", 1024, TDB_CLEAR_IF_FIRST,
  71                           O_CREAT|O_TRUNC|O_RDWR, 0600, &taplogctx, NULL);
  72         ok1(tdb);
  73
  74         ok1(external_agent_operation(agent, OPEN, tdb_name(tdb)) == SUCCESS);
  75         ok1(external_agent_operation(agent, TRANSACTION_START, tdb_name(tdb))
  76             == SUCCESS);
  77         ok1(external_agent_operation(agent, TRANSACTION_COMMIT, tdb_name(tdb))
  78             == SUCCESS);
  79
  80         key.dsize = strlen("hi");
  81         key.dptr = (void *)"hi";
  82         data.dptr = (void *)"world";
  83         data.dsize = strlen("world");
  84
  85         ok1(tdb_store(tdb, key, data, TDB_INSERT) == 0);
  86         tdb_traverse(tdb, traverse1, NULL);
  87         tdb_traverse_read(tdb, traverse1, NULL);
  88         tdb_close(tdb);
  89
  90         return exit_status();
  91 }