error msg
[oweals/gnunet.git] / src / transport / plugin_transport_wlan.c
index ab0309cedcbc5710f58df84973e9f843b79e1bbb..5fed7a739d97495b82419e35359655bacdeebe89 100644 (file)
@@ -339,6 +339,16 @@ struct MacEndpoint
    */
   struct GNUNET_TRANSPORT_WLAN_MacAddress addr;
 
+  /**
+   * Message delay for fragmentation context
+   */
+  struct GNUNET_TIME_Relative msg_delay;
+
+  /**
+   * ACK delay for fragmentation context
+   */
+  struct GNUNET_TIME_Relative ack_delay;
+
   /**
    * Desired transmission power for this MAC
    */
@@ -790,7 +800,9 @@ free_fragment_message (struct FragmentMessage *fm)
     GNUNET_HELPER_send_cancel (fm->sh);
     fm->sh = NULL;
   }
-  GNUNET_FRAGMENT_context_destroy (fm->fragcontext);
+  GNUNET_FRAGMENT_context_destroy (fm->fragcontext,
+                                                                  &endpoint->msg_delay,
+                                                                  &endpoint->ack_delay);
   if (fm->timeout_task != GNUNET_SCHEDULER_NO_TASK)
   {
     GNUNET_SCHEDULER_cancel (fm->timeout_task);
@@ -857,10 +869,12 @@ send_with_fragmentation (struct MacEndpoint *endpoint,
   fm->timeout = GNUNET_TIME_relative_to_absolute (timeout);
   fm->cont = cont;
   fm->cont_cls = cont_cls;
+  /* 1 MBit/s typical data rate, 1430 byte fragments => ~100 ms per message */
   fm->fragcontext =
     GNUNET_FRAGMENT_context_create (plugin->env->stats, WLAN_MTU,
                                    &plugin->tracker,
-                                   GNUNET_TIME_UNIT_SECONDS,
+                                   endpoint->msg_delay,
+                                   endpoint->ack_delay,
                                    msg,
                                    &transmit_fragment, fm);
   fm->timeout_task =
@@ -960,6 +974,10 @@ create_macendpoint (struct Plugin *plugin,
                                      pos, 
                                      &wlan_data_message_handler,
                                      &send_ack);
+
+  pos->msg_delay = GNUNET_TIME_UNIT_MILLISECONDS;
+  pos->ack_delay = GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_MILLISECONDS,
+                                                                                                 100);
   pos->timeout = GNUNET_TIME_relative_to_absolute (MACENDPOINT_TIMEOUT);
   pos->timeout_task =
       GNUNET_SCHEDULER_add_delayed (MACENDPOINT_TIMEOUT, &macendpoint_timeout,
@@ -1685,6 +1703,7 @@ libgnunet_plugin_transport_wlan_init (void *cls)
   struct Plugin *plugin;
   char *interface;
   unsigned long long testmode;
+  char *binary;
 
   /* check for 'special' mode */
   if (NULL == env->receive)
@@ -1712,14 +1731,17 @@ libgnunet_plugin_transport_wlan_init (void *cls)
                               "transport-wlan", "TESTMODE");
     return NULL;
   }
+  binary = GNUNET_OS_get_libexec_binary_path ("gnunet-helper-transport-wlan");
   if ( (0 == testmode) &&
-       (GNUNET_YES != GNUNET_OS_check_helper_binary ("gnunet-helper-transport-wlan")) )
+       (GNUNET_YES != GNUNET_OS_check_helper_binary (binary)) )
   {
     LOG (GNUNET_ERROR_TYPE_ERROR,
         _("Helper binary `%s' not SUID, cannot run WLAN transport\n"),
         "gnunet-helper-transport-wlan");
+    GNUNET_free (binary);
     return NULL;
   }
+    GNUNET_free (binary);
   if (GNUNET_YES !=
       GNUNET_CONFIGURATION_get_value_string
       (env->cfg, "transport-wlan", "INTERFACE",
@@ -1745,7 +1767,8 @@ libgnunet_plugin_transport_wlan_init (void *cls)
   plugin->helper_payload_tokenizer = GNUNET_SERVER_mst_create (&process_data, plugin);
   plugin->beacon_task = GNUNET_SCHEDULER_add_now (&send_hello_beacon, 
                                                  plugin);
-  switch (testmode)
+  /* some compilers do not like switch on 'long long'... */
+  switch ((unsigned int) testmode)
   {
   case 0: /* normal */ 
     plugin->helper_argv[0] = (char *) "gnunet-helper-transport-wlan";