twopeer dht test, mostly for class

1 files changed, 297 insertions, 0 deletions

diff --git a/src/dht/test_dht_twopeer.c b/src/dht/test_dht_twopeer.c
new file mode 100644
index 000000000..3890b7699
--- /dev/null
+++ b/src/dht/test_dht_twopeer.c
@@ -0,0 +1,297 @@
+/*
+     This file is part of GNUnet.
+     (C) 2009 Christian Grothoff (and other contributing authors)
+
+     GNUnet is free software; you can redistribute it and/or modify
+     it under the terms of the GNU General Public License as published
+     by the Free Software Foundation; either version 2, or (at your
+     option) any later version.
+
+     GNUnet is distributed in the hope that it will be useful, but
+     WITHOUT ANY WARRANTY; without even the implied warranty of
+     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+     General Public License for more details.
+
+     You should have received a copy of the GNU General Public License
+     along with GNUnet; see the file COPYING.  If not, write to the
+     Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+     Boston, MA 02111-1307, USA.
+*/
+/**
+ * @file dht/test_dht_twopeer.c
+ * @brief base testcase for testing DHT service with
+ *        two running peers
+ */
+#include "platform.h"
+#include "gnunet_testing_lib.h"
+#include "gnunet_core_service.h"
+#include "gnunet_dht_service.h"
+
+/* DEFINES */
+#define VERBOSE GNUNET_YES
+
+#define TIMEOUT GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_MINUTES, 5)
+
+#define DEFAULT_NUM_PEERS 2
+
+/* Structs */
+/* ... */
+
+/* Globals */
+static char *test_directory;
+
+static unsigned int expected_connections;
+
+static unsigned long long peers_left;
+
+static struct GNUNET_TESTING_PeerGroup *pg;
+
+static struct GNUNET_SCHEDULER_Handle *sched;
+
+static unsigned long long num_peers;
+
+static unsigned int total_connections;
+
+static unsigned int failed_connections;
+
+GNUNET_SCHEDULER_TaskIdentifier die_task;
+
+static int ok;
+
+/**
+ * Check whether peers successfully shut down.
+ */
+void shutdown_callback (void *cls,
+                        const char *emsg)
+{
+  if (emsg != NULL)
+    {
+      if (ok == 0)
+        ok = 2;
+    }
+}
+
+static void
+finish_testing (void *cls, const struct GNUNET_SCHEDULER_TaskContext * tc)
+{
+  GNUNET_assert (pg != NULL);
+  GNUNET_TESTING_daemons_stop (pg, TIMEOUT, &shutdown_callback, NULL);
+  ok = 0;
+}
+
+static void
+end_badly (void *cls, const struct GNUNET_SCHEDULER_TaskContext * tc)
+{
+  if (pg != NULL)
+    GNUNET_TESTING_daemons_stop (pg, TIMEOUT, &shutdown_callback, NULL);
+  ok = 1;
+}
+
+void
+topology_callback (void *cls,
+                   const struct GNUNET_PeerIdentity *first,
+                   const struct GNUNET_PeerIdentity *second,
+                   uint32_t distance,
+                   const struct GNUNET_CONFIGURATION_Handle *first_cfg,
+                   const struct GNUNET_CONFIGURATION_Handle *second_cfg,
+                   struct GNUNET_TESTING_Daemon *first_daemon,
+                   struct GNUNET_TESTING_Daemon *second_daemon,
+                   const char *emsg)
+{
+  if (emsg == NULL)
+    {
+      total_connections++;
+#if VERBOSE
+      GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "connected peer %s to peer %s, distance %u\n",
+                 first_daemon->shortname,
+                 second_daemon->shortname,
+                 distance);
+#endif
+    }
+#if VERBOSE
+  else
+    {
+      failed_connections++;
+      GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Failed to connect peer %s to peer %s with error :\n%s\n",
+                  first_daemon->shortname,
+                  second_daemon->shortname, emsg);
+    }
+#endif
+
+  if (total_connections == expected_connections)
+    {
+#if VERBOSE
+      GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+                  "Created %d total connections, which is our target number!  Starting next phase of testing.\n",
+                  total_connections);
+#endif
+      GNUNET_SCHEDULER_cancel (sched, die_task);
+      die_task = GNUNET_SCHEDULER_NO_TASK;
+      //GNUNET_SCHEDULER_add_now (sched, &next_phase, NULL);
+      GNUNET_SCHEDULER_add_now (sched, &finish_testing, NULL);
+    }
+  else if (total_connections + failed_connections == expected_connections)
+    {
+      GNUNET_SCHEDULER_cancel (sched, die_task);
+      die_task = GNUNET_SCHEDULER_add_now (sched,
+                                               &end_badly, "from topology_callback (too many failed connections)");
+    }
+  else
+    {
+#if VERBOSE
+      GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+                  "Have %d total connections, %d failed connections, Want %d\n",
+                  total_connections, failed_connections, expected_connections);
+#endif
+    }
+}
+
+static void
+connect_topology (void *cls, const struct GNUNET_SCHEDULER_TaskContext * tc)
+{
+  expected_connections = -1;
+  if ((pg != NULL) && (peers_left == 0))
+    {
+      expected_connections = GNUNET_TESTING_connect_topology (pg, GNUNET_TESTING_TOPOLOGY_CLIQUE, GNUNET_TESTING_TOPOLOGY_OPTION_ALL, 0.0);
+#if VERBOSE
+      GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+                  "Have %d expected connections\n", expected_connections);
+#endif
+    }
+
+  GNUNET_SCHEDULER_cancel (sched, die_task);
+  if (expected_connections == GNUNET_SYSERR)
+    {
+      die_task = GNUNET_SCHEDULER_add_now (sched,
+                                           &end_badly, "from connect topology (bad return)");
+    }
+
+  die_task = GNUNET_SCHEDULER_add_delayed (sched,
+                                           TIMEOUT,
+                                           &end_badly, "from connect topology (timeout)");
+}
+
+static void
+peers_started_callback (void *cls,
+       const struct GNUNET_PeerIdentity *id,
+       const struct GNUNET_CONFIGURATION_Handle *cfg,
+       struct GNUNET_TESTING_Daemon *d, const char *emsg)
+{
+  if (emsg != NULL)
+    {
+      GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Failed to start daemon with error: `%s'\n",
+                  emsg);
+      return;
+    }
+  GNUNET_assert (id != NULL);
+#if VERBOSE
+  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Started daemon %llu out of %llu\n",
+              (num_peers - peers_left) + 1, num_peers);
+#endif
+
+  //GNUNET_DHT_connect();
+  peers_left--;
+
+  if (peers_left == 0)
+    {
+#if VERBOSE
+      GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+                  "All %d daemons started, now creating topology!\n",
+                  num_peers);
+#endif
+      GNUNET_SCHEDULER_cancel (sched, die_task);
+      /* Set up task in case topology creation doesn't finish
+       * within a reasonable amount of time */
+      die_task = GNUNET_SCHEDULER_add_delayed (sched,
+                                               GNUNET_TIME_relative_multiply
+                                               (GNUNET_TIME_UNIT_MINUTES, 5),
+                                               &end_badly, "from peers_started_callback");
+
+      GNUNET_SCHEDULER_add_now(sched, &connect_topology, NULL);
+      ok = 0;
+    }
+}
+
+static void
+run (void *cls,
+     struct GNUNET_SCHEDULER_Handle *s,
+     char *const *args,
+     const char *cfgfile, const struct GNUNET_CONFIGURATION_Handle *cfg)
+{
+  sched = s;
+  ok = 1;
+
+  if (GNUNET_YES != GNUNET_CONFIGURATION_get_value_string(cfg, "paths", "servicehome", &test_directory))
+    {
+      ok = 404;
+      return;
+    }
+
+  if (GNUNET_SYSERR ==
+      GNUNET_CONFIGURATION_get_value_number (cfg, "testing", "num_peers",
+                                             &num_peers))
+    num_peers = DEFAULT_NUM_PEERS;
+
+  peers_left = num_peers;
+
+  /* Set up a task to end testing if peer start fails */
+  die_task = GNUNET_SCHEDULER_add_delayed (sched,
+                                           TIMEOUT,
+                                           &end_badly, "didn't start all daemons in reasonable amount of time!!!");
+
+  pg = GNUNET_TESTING_daemons_start (sched, cfg,
+                                     num_peers, TIMEOUT, NULL, NULL, &peers_started_callback, NULL,
+                                     &topology_callback, NULL, NULL);
+
+}
+
+static int
+check ()
+{
+  int ret;
+  char *const argv[] = {"test-dht-twopeer",
+    "-c",
+    "test_dht_twopeer_data.conf",
+#if VERBOSE
+    "-L", "DEBUG",
+#endif
+    NULL
+  };
+  struct GNUNET_GETOPT_CommandLineOption options[] = {
+    GNUNET_GETOPT_OPTION_END
+  };
+  ret = GNUNET_PROGRAM_run ((sizeof (argv) / sizeof (char *)) - 1,
+                      argv, "test-dht-twopeer", "nohelp",
+                      options, &run, &ok);
+  if (ret != GNUNET_OK)
+    {
+      GNUNET_log(GNUNET_ERROR_TYPE_WARNING, "`test-dht-twopeer': Failed with error code %d\n", ret);
+    }
+  return ok;
+}
+
+int
+main (int argc, char *argv[])
+{
+  int ret;
+
+  GNUNET_log_setup ("test-dht-twopeer",
+#if VERBOSE
+                    "DEBUG",
+#else
+                    "WARNING",
+#endif
+                    NULL);
+  ret = check ();
+  /**
+   * Need to remove base directory, subdirectories taken care
+   * of by the testing framework.
+   */
+  if (GNUNET_DISK_directory_remove (test_directory) != GNUNET_OK)
+    {
+      GNUNET_log(GNUNET_ERROR_TYPE_WARNING, "Failed to remove testing directory %s\n", test_directory);
+    }
+  return ret;
+}
+
+/* end of test_dht_twopeer.c */