WiP
[oweals/gnunet.git] / src / dht / test_dht_twopeer.c
index c1472210e083bdc652cc949b80f23ebe137694bd..8c373d3652abbbb78a7eef3b9e1b1071eaebe79a 100644 (file)
@@ -4,7 +4,7 @@
 
      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
+     by the Free Software Foundation; either version 3, or (at your
      option) any later version.
 
      GNUnet is distributed in the hope that it will be useful, but
@@ -28,7 +28,9 @@
 #include "gnunet_dht_service.h"
 
 /* DEFINES */
-#define VERBOSE GNUNET_YES
+#define VERBOSE GNUNET_NO
+
+#define MAX_GET_ATTEMPTS 10
 
 #define TIMEOUT GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_MINUTES, 5)
 
@@ -43,6 +45,10 @@ struct PeerGetContext
   struct GNUNET_DHT_Handle *dht_handle;
 
   struct GNUNET_DHT_GetHandle *get_handle;
+
+  unsigned int get_attempts;
+
+  GNUNET_SCHEDULER_TaskIdentifier retry_task;
 };
 
 /* Globals */
@@ -56,8 +62,6 @@ 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_gets;
@@ -109,23 +113,30 @@ static void
 end_badly_cont (void *cls, const struct GNUNET_SCHEDULER_TaskContext * tc)
 {
   if (peer1dht != NULL)
-      GNUNET_DHT_disconnect(peer1dht);
+    GNUNET_DHT_disconnect(peer1dht);
 
   if (peer2dht != NULL)
     GNUNET_DHT_disconnect(peer2dht);
 
   if (pg != NULL)
     GNUNET_TESTING_daemons_stop (pg, TIMEOUT, &shutdown_callback, NULL);
+
+  if (curr_get_ctx.retry_task != GNUNET_SCHEDULER_NO_TASK)
+    GNUNET_SCHEDULER_cancel(curr_get_ctx.retry_task);
 }
 
 static void
 end_badly (void *cls, const struct GNUNET_SCHEDULER_TaskContext * tc)
 {
+  if (curr_get_ctx.retry_task != GNUNET_SCHEDULER_NO_TASK)
+    GNUNET_SCHEDULER_cancel(curr_get_ctx.retry_task);
+
   if (curr_get_ctx.get_handle != NULL)
   {
-    GNUNET_DHT_get_stop(curr_get_ctx.get_handle, &end_badly_cont, NULL);
+    GNUNET_DHT_get_stop(curr_get_ctx.get_handle);
   }
 
+  GNUNET_SCHEDULER_add_now (&end_badly_cont, NULL);
   ok = 1;
 }
 
@@ -147,34 +158,86 @@ do_get (void *cls, const struct GNUNET_SCHEDULER_TaskContext * tc);
 void get_result_iterator (void *cls,
                           struct GNUNET_TIME_Absolute exp,
                           const GNUNET_HashCode * key,
-                          uint32_t type,
-                          uint32_t size,
+                          const struct GNUNET_PeerIdentity * const *get_path,
+                         const struct GNUNET_PeerIdentity * const *put_path,
+                         enum GNUNET_BLOCK_Type type,                                
+                          size_t size,
                           const void *data)
 {
   struct PeerGetContext *get_context = cls;
+
   if (0 != memcmp(&get_context->peer->hashPubKey, key, sizeof (GNUNET_HashCode)))
   {
-    GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Key returned is not the same key as was searched for!\n");
-    GNUNET_SCHEDULER_cancel(sched, die_task);
-    GNUNET_SCHEDULER_add_now(sched, &end_badly, "key mismatch in get response!\n");
+    GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Key returned is not the same key as was searched for!\n");
+    GNUNET_SCHEDULER_cancel(die_task);
+    GNUNET_SCHEDULER_add_now(&end_badly, "key mismatch in get response!\n");
     return;
   }
 
+  if (get_context->retry_task != GNUNET_SCHEDULER_NO_TASK)
+    {
+      GNUNET_SCHEDULER_cancel(get_context->retry_task);
+      get_context->retry_task = GNUNET_SCHEDULER_NO_TASK;
+    }
+
   if (get_context->peer == &peer2id)
   {
     get_context->peer = &peer1id;
     get_context->dht_handle = peer2dht;
     GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Received first correct GET request response!\n");
-    GNUNET_DHT_get_stop(get_context->get_handle, &do_get, get_context);
+    GNUNET_DHT_get_stop(get_context->get_handle);
+    GNUNET_SCHEDULER_add_now (&do_get, get_context);
   }
   else
   {
     GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Received second correct GET request response!\n");
-    GNUNET_SCHEDULER_cancel(sched, die_task);
-    GNUNET_DHT_get_stop(get_context->get_handle, &finish_testing, NULL);
+    GNUNET_SCHEDULER_cancel(die_task);
+    GNUNET_DHT_get_stop(get_context->get_handle);
+    GNUNET_SCHEDULER_add_now (&finish_testing, NULL);
   }
 
+}
+
+static void
+stop_retry_get (void *cls, const struct GNUNET_SCHEDULER_TaskContext * tc);
+
+static void
+get_stop_finished (void *cls, const struct GNUNET_SCHEDULER_TaskContext * tc)
+{
+  struct PeerGetContext *get_context = cls;
 
+  if (get_context->get_attempts < MAX_GET_ATTEMPTS)
+    GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "Get attempt %u failed, retrying request!\n", get_context->get_attempts);
+  else
+    {
+      GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "Too many attempts failed, ending test!\n", get_context->get_attempts);
+      GNUNET_SCHEDULER_cancel(die_task);
+      GNUNET_SCHEDULER_add_now(&end_badly, "key mismatch in get response!\n");
+      return;
+    }
+  get_context->get_attempts++;
+  get_context->retry_task = GNUNET_SCHEDULER_add_delayed(GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_SECONDS, 10),
+                                                         &stop_retry_get, get_context);
+  get_context->get_handle = GNUNET_DHT_get_start(get_context->dht_handle,
+                                                GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_SECONDS, 5),
+                                                GNUNET_BLOCK_TYPE_DHT_HELLO,
+                                                &get_context->peer->hashPubKey,
+                                                 DEFAULT_GET_REPLICATION,
+                                                GNUNET_DHT_RO_NONE,
+                                                NULL, 0,
+                                                NULL, 0,
+                                                &get_result_iterator, get_context);
+}
+
+static void
+stop_retry_get (void *cls, const struct GNUNET_SCHEDULER_TaskContext * tc)
+{
+  struct PeerGetContext *get_context = cls;
+  get_context->retry_task = GNUNET_SCHEDULER_NO_TASK;
+  GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "Get attempt %u failed, canceling request!\n", get_context->get_attempts);
+  GNUNET_DHT_get_stop(get_context->get_handle);
+  get_context->get_handle = NULL;
+  GNUNET_SCHEDULER_add_now(&get_stop_finished, get_context);
 }
 
 static void
@@ -182,7 +245,18 @@ do_get (void *cls, const struct GNUNET_SCHEDULER_TaskContext * tc)
 {
   struct PeerGetContext *get_context = cls;
 
-  get_context->get_handle = GNUNET_DHT_get_start(get_context->dht_handle, GNUNET_TIME_relative_get_forever(), 130, &get_context->peer->hashPubKey, &get_result_iterator, get_context, NULL, NULL);
+  get_context->retry_task = GNUNET_SCHEDULER_add_delayed(GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_SECONDS, 10),
+                                                          &stop_retry_get, get_context);
+
+  get_context->get_handle = GNUNET_DHT_get_start(get_context->dht_handle, 
+                                                GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_SECONDS, 5),
+                                                GNUNET_BLOCK_TYPE_DHT_HELLO,
+                                                &get_context->peer->hashPubKey,
+                                                DEFAULT_GET_REPLICATION,
+                                                GNUNET_DHT_RO_NONE,
+                                                NULL, 0,
+                                                NULL, 0,
+                                                &get_result_iterator, get_context);
 }
 
 
@@ -224,20 +298,18 @@ topology_callback (void *cls,
                   "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_add_delayed (sched, TIMEOUT,
+      GNUNET_SCHEDULER_cancel (die_task);
+      die_task = GNUNET_SCHEDULER_add_delayed (TIMEOUT,
                                                &end_badly, "from test gets");
 
       curr_get_ctx.dht_handle = peer1dht;
       curr_get_ctx.peer = &peer2id;
-      GNUNET_SCHEDULER_add_now (sched, &do_get, &curr_get_ctx);
-      //GNUNET_SCHEDULER_add_delayed (sched, GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_SECONDS, 2), &do_get, &curr_get_ctx);
+      GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_SECONDS, 2), &do_get, &curr_get_ctx);
     }
   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)");
+      GNUNET_SCHEDULER_cancel (die_task);
+      die_task = GNUNET_SCHEDULER_add_now (&end_badly, "from topology_callback (too many failed connections)");
     }
 }
 
@@ -246,16 +318,18 @@ 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);
+    expected_connections = GNUNET_TESTING_connect_topology (pg,
+                                                            GNUNET_TESTING_TOPOLOGY_CLIQUE,
+                                                            GNUNET_TESTING_TOPOLOGY_OPTION_ALL,
+                                                            0.0,
+                                                            TIMEOUT, 12, NULL, NULL);
 
-  GNUNET_SCHEDULER_cancel (sched, die_task);
+  GNUNET_SCHEDULER_cancel (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_now (&end_badly, "from connect topology (bad return)");
 
 
-  die_task = GNUNET_SCHEDULER_add_delayed (sched,
-                                           TIMEOUT,
+  die_task = GNUNET_SCHEDULER_add_delayed (TIMEOUT,
                                            &end_badly, "from connect topology (timeout)");
 }
 
@@ -275,21 +349,21 @@ peers_started_callback (void *cls,
   if (peers_left == num_peers)
   {
     memcpy(&peer1id, id, sizeof(struct GNUNET_PeerIdentity));
-    peer1dht = GNUNET_DHT_connect(sched, cfg, 100);
+    peer1dht = GNUNET_DHT_connect(cfg, 100);
     if (peer1dht == NULL)
     {
-      GNUNET_SCHEDULER_cancel (sched, die_task);
-      GNUNET_SCHEDULER_add_now(sched, &end_badly, "Failed to get dht handle!\n");
+      GNUNET_SCHEDULER_cancel (die_task);
+      GNUNET_SCHEDULER_add_now(&end_badly, "Failed to get dht handle!\n");
     }
   }
   else
   {
     memcpy(&peer2id, id, sizeof(struct GNUNET_PeerIdentity));
-    peer2dht = GNUNET_DHT_connect(sched, cfg, 100);
+    peer2dht = GNUNET_DHT_connect(cfg, 100);
     if (peer2dht == NULL)
     {
-      GNUNET_SCHEDULER_cancel (sched, die_task);
-      GNUNET_SCHEDULER_add_now(sched, &end_badly, "Failed to get dht handle!\n");
+      GNUNET_SCHEDULER_cancel (die_task);
+      GNUNET_SCHEDULER_add_now(&end_badly, "Failed to get dht handle!\n");
     }
   }
 
@@ -303,25 +377,22 @@ peers_started_callback (void *cls,
                   "All %d daemons started, now connecting peers!\n",
                   num_peers);
 #endif
-      GNUNET_SCHEDULER_cancel (sched, die_task);
+      GNUNET_SCHEDULER_cancel (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,
-                                               TIMEOUT,
+      die_task = GNUNET_SCHEDULER_add_delayed (TIMEOUT,
                                                &end_badly, "from peers_started_callback");
 
-      GNUNET_SCHEDULER_add_now(sched, &connect_topology, NULL);
+      GNUNET_SCHEDULER_add_now(&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;
 
   if (GNUNET_YES != GNUNET_CONFIGURATION_get_value_string(cfg, "paths", "servicehome", &test_directory))
     {
@@ -338,12 +409,17 @@ run (void *cls,
   total_gets = num_peers;
   gets_succeeded = 0;
   /* Set up a task to end testing if peer start fails */
-  die_task = GNUNET_SCHEDULER_add_delayed (sched,
-                                           TIMEOUT,
+  die_task = GNUNET_SCHEDULER_add_delayed (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,
+  pg = GNUNET_TESTING_daemons_start (cfg,
+                                     num_peers,
+                                     10,
+                                     num_peers,
+                                     TIMEOUT,
+                                     NULL, NULL,
+                                     &peers_started_callback,
+                                     NULL,
                                      &topology_callback, NULL, NULL);
 
 }