new operation queue for limiting overlay connects
[oweals/gnunet.git] / src / transport / gnunet-transport.c
index 6ef273c45456a87cad06db055c7b42e40ca79d43..5978de6bbc30d014c1373a3ffa3432ccfc1252c0 100644 (file)
@@ -92,6 +92,11 @@ static int numeric;
  */
 static int ret;
 
+/**
+ * Current number of connections in monitor mode
+ */
+static int monitor_connections_counter;
+
 /**
  * Number of bytes of traffic we received so far.
  */
@@ -197,7 +202,7 @@ display_test_result (struct TestContext *tc, int result)
   if ((0 == resolver_users) && (NULL != resolver))
   {
     GNUNET_break (0 == GNUNET_OS_process_kill (resolver, SIGTERM));
-    GNUNET_OS_process_close (resolver);
+    GNUNET_OS_process_destroy (resolver);
     resolver = NULL;
   }
 }
@@ -279,7 +284,7 @@ do_test_configuration (const struct GNUNET_CONFIGURATION_Handle *cfg)
       adv_port = bnd_port;
     if (NULL == resolver)
       resolver =
-         GNUNET_OS_start_process (GNUNET_YES, NULL, NULL, "gnunet-service-resolver",
+         GNUNET_OS_start_process (GNUNET_YES, GNUNET_OS_INHERIT_STD_OUT_AND_ERR, NULL, NULL, "gnunet-service-resolver",
                                    "gnunet-service-resolver", NULL);
     resolver_users++;
     GNUNET_RESOLVER_connect (cfg);
@@ -320,16 +325,17 @@ do_disconnect (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
   if (benchmark_receive)
   {
     duration = GNUNET_TIME_absolute_get_duration (start_time);
-    FPRINTF (stdout, _("Received %llu bytes/s (%llu bytes in %llu ms)\n"),
+    FPRINTF (stdout, _("Received %llu bytes/s (%llu bytes in %s)\n"),
              1000 * traffic_received / (1 + duration.rel_value),
-             traffic_received, (unsigned long long) duration.rel_value);
+             traffic_received,
+            GNUNET_STRINGS_relative_time_to_string (duration, GNUNET_YES));
   }
   if (benchmark_send)
   {
     duration = GNUNET_TIME_absolute_get_duration (start_time);
-    FPRINTF (stdout, _("Transmitted %llu bytes/s (%llu bytes in %llu ms)\n"),
+    FPRINTF (stdout, _("Transmitted %llu bytes/s (%llu bytes in %s)\n"),
              1000 * traffic_sent / (1 + duration.rel_value), traffic_sent,
-             (unsigned long long) duration.rel_value);
+             GNUNET_STRINGS_relative_time_to_string (duration, GNUNET_YES));
   }
 }
 
@@ -350,6 +356,12 @@ transmit_data (void *cls, size_t size, void *buf)
 {
   struct GNUNET_MessageHeader *m = buf;
 
+  if ((NULL == buf) && (0 == size))
+  {
+    th = NULL;
+    return 0;
+  }
+
   GNUNET_assert (size >= sizeof (struct GNUNET_MessageHeader));
   GNUNET_assert (size < GNUNET_SERVER_MAX_MESSAGE_SIZE);
   m->size = ntohs (size);
@@ -387,7 +399,8 @@ notify_connect (void *cls, const struct GNUNET_PeerIdentity *peer,
   if (benchmark_send)
   {
     start_time = GNUNET_TIME_absolute_get ();
-    th = GNUNET_TRANSPORT_notify_transmit_ready (handle, peer, 32 * 1024, 0,
+    if (NULL == th)
+      th = GNUNET_TRANSPORT_notify_transmit_ready (handle, peer, 32 * 1024, 0,
                                                  GNUNET_TIME_UNIT_FOREVER_REL,
                                                  &transmit_data, NULL);
   }
@@ -412,17 +425,64 @@ notify_disconnect (void *cls, const struct GNUNET_PeerIdentity *peer)
 {
   if (verbosity > 0)
     FPRINTF (stdout, _("Disconnected from %s\n"), GNUNET_i2s (peer));
-  if ((0 == memcmp (&pid, peer, sizeof (struct GNUNET_PeerIdentity))) &&
-      (NULL != th))
+  if (NULL != th)
   {
     GNUNET_TRANSPORT_notify_transmit_ready_cancel (th);
     th = NULL;
-    GNUNET_SCHEDULER_cancel (end);
-    end = GNUNET_SCHEDULER_add_now (&do_disconnect, NULL);
   }
+
+}
+
+/**
+ * Function called to notify transport users that another
+ * peer connected to us.
+ *
+ * @param cls closure
+ * @param peer the peer that connected
+ * @param ats performance data
+ * @param ats_count number of entries in ats (excluding 0-termination)
+ */
+static void
+monitor_notify_connect (void *cls, const struct GNUNET_PeerIdentity *peer,
+                const struct GNUNET_ATS_Information *ats, uint32_t ats_count)
+{
+  monitor_connections_counter ++;
+  struct GNUNET_TIME_Absolute now = GNUNET_TIME_absolute_get();
+  const char *now_str = GNUNET_STRINGS_absolute_time_to_string (now);
+
+  FPRINTF (stdout, _("%24s: %-17s %4s   (%u connections in total)\n"),
+           now_str,
+           _("Connected to"),
+           GNUNET_i2s (peer),
+           monitor_connections_counter);
 }
 
 
+/**
+ * Function called to notify transport users that another
+ * peer disconnected from us.
+ *
+ * @param cls closure
+ * @param peer the peer that disconnected
+ */
+static void
+monitor_notify_disconnect (void *cls, const struct GNUNET_PeerIdentity *peer)
+{
+  struct GNUNET_TIME_Absolute now = GNUNET_TIME_absolute_get();
+  const char *now_str = GNUNET_STRINGS_absolute_time_to_string (now);
+
+  GNUNET_assert (monitor_connections_counter > 0);
+  monitor_connections_counter --;
+
+  FPRINTF (stdout, _("%24s: %-17s %4s   (%u connections in total)\n"),
+           now_str,
+           _("Disconnected from"),
+           GNUNET_i2s (peer),
+           monitor_connections_counter);
+}
+
+
+
 /**
  * Function called by the transport for each received message.
  *
@@ -439,6 +499,8 @@ notify_receive (void *cls, const struct GNUNET_PeerIdentity *peer,
 {
   if (!benchmark_receive)
     return;
+  if (GNUNET_MESSAGE_TYPE_DUMMY != ntohs (message->type))
+    return;
   if (verbosity > 0)
     FPRINTF (stdout, _("Received %u bytes from %s\n"),
              (unsigned int) ntohs (message->size), GNUNET_i2s (peer));
@@ -454,7 +516,8 @@ struct ResolutionContext
   int printed;
 };
 
-void
+
+static void
 process_string (void *cls, const char *address)
 {
   struct ResolutionContext *rc = cls;
@@ -525,9 +588,16 @@ static void
 shutdown_task (void *cls,
               const struct GNUNET_SCHEDULER_TaskContext *tc)
 {
-  struct GNUNET_TRANSPORT_PeerIterateContext *pic = cls;
-
-  GNUNET_TRANSPORT_peer_get_active_addresses_cancel (pic);
+  if (NULL != th)
+  {
+    GNUNET_TRANSPORT_notify_transmit_ready_cancel(th);
+    th = NULL;
+  }
+  if (NULL != handle)
+  {
+    GNUNET_TRANSPORT_disconnect(handle);
+    handle = NULL;
+  }
 
   if (NULL != peers)
   {
@@ -536,24 +606,18 @@ shutdown_task (void *cls,
   }
 }
 
-
-
-/**
- * Main function that will be run by the scheduler.
- *
- * @param cls closure
- * @param args remaining command-line arguments
- * @param cfgfile name of the configuration file used (for saving, can be NULL!)
- * @param cfg configuration
- */
 static void
-run (void *cls, char *const *args, const char *cfgfile,
-     const struct GNUNET_CONFIGURATION_Handle *cfg)
+testservice_task (void *cls,
+                  const struct GNUNET_SCHEDULER_TaskContext *tc)
 {
-  if (test_configuration)
+  struct GNUNET_CONFIGURATION_Handle *cfg = cls;
+
+  if (0 != (tc->reason & GNUNET_SCHEDULER_REASON_TIMEOUT))
   {
-    do_test_configuration (cfg);
+      FPRINTF (stderr, _("Service `%s' is not running\n"), "transport");
+      return;
   }
+
   if (benchmark_send && (NULL == cpid))
   {
     FPRINTF (stderr, _("Option `%s' makes no sense without option `%s'.\n"),
@@ -584,34 +648,68 @@ run (void *cls, char *const *args, const char *cfgfile,
         GNUNET_TRANSPORT_connect (cfg, NULL, NULL, &notify_receive,
                                   &notify_connect, &notify_disconnect);
     GNUNET_TRANSPORT_try_connect (handle, &pid);
+    start_time = GNUNET_TIME_absolute_get ();
     end =
         GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_FOREVER_REL,
                                       &do_disconnect, NULL);
   }
   if (iterate_connections)
   {
-    peers = GNUNET_CONTAINER_multihashmap_create (20);
+    peers = GNUNET_CONTAINER_multihashmap_create (20, GNUNET_NO);
     GNUNET_TRANSPORT_peer_get_active_addresses (cfg, NULL, GNUNET_YES,
                                                 TIMEOUT,
                                                 &process_address, (void *) cfg);
   }
   if (monitor_connections)
   {
-    struct GNUNET_TRANSPORT_PeerIterateContext *pic;
-
-    pic = GNUNET_TRANSPORT_peer_get_active_addresses (cfg, NULL, GNUNET_NO,
-                                                     GNUNET_TIME_UNIT_FOREVER_REL,
-                                                     &process_address, (void *) cfg);
-    GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_FOREVER_REL,
-                                 &shutdown_task,
-                                 pic);
+    monitor_connections_counter = 0;
+    handle = GNUNET_TRANSPORT_connect (cfg, NULL, NULL, NULL,
+                                       &monitor_notify_connect,
+                                       &monitor_notify_disconnect);
+    if (NULL == handle)
+    {
+      GNUNET_SCHEDULER_add_now (&shutdown_task, NULL);
+    }
+    else
+    {
+      GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_FOREVER_REL,
+                                    &shutdown_task,
+                                    NULL);
+    }
+  }
+
+
+}
+
+
+/**
+ * Main function that will be run by the scheduler.
+ *
+ * @param cls closure
+ * @param args remaining command-line arguments
+ * @param cfgfile name of the configuration file used (for saving, can be NULL!)
+ * @param cfg configuration
+ */
+static void
+run (void *cls, char *const *args, const char *cfgfile,
+     const struct GNUNET_CONFIGURATION_Handle *cfg)
+{
+  if (test_configuration)
+  {
+    do_test_configuration (cfg);
   }
+
+  GNUNET_CLIENT_service_test ("transport", cfg,
+      GNUNET_TIME_UNIT_SECONDS,
+      &testservice_task,
+      (void *) cfg);
 }
 
 
 int
 main (int argc, char *const *argv)
 {
+  int res;
   static const struct GNUNET_GETOPT_CommandLineOption options[] = {
     {'b', "benchmark", NULL,
      gettext_noop ("measure how fast we are receiving data (until CTRL-C)"),
@@ -638,11 +736,22 @@ main (int argc, char *const *argv)
     GNUNET_GETOPT_OPTION_VERBOSE (&verbosity),
     GNUNET_GETOPT_OPTION_END
   };
-  return (GNUNET_OK ==
-          GNUNET_PROGRAM_run (argc, argv, "gnunet-transport",
+
+  if (GNUNET_OK != GNUNET_STRINGS_get_utf8_args (argc, argv, &argc, &argv))
+    return 2;
+
+  res = GNUNET_PROGRAM_run (argc, argv, "gnunet-transport",
                               gettext_noop
                               ("Direct access to transport service."), options,
-                              &run, NULL)) ? ret : 1;
+                              &run, NULL);
+  GNUNET_free ((void *) argv);
+
+  if (GNUNET_OK == res)
+    return ret;
+  else
+    return 1;
+
+
 }