[GNUnet-SVN] r21973 - gnunet/src/testbed

[gnunet]

Author: harsha
Date: 2012-06-13 17:23:49 +0200 (Wed, 13 Jun 2012)
New Revision: 21973

Modified:
   gnunet/src/testbed/gnunet-service-testbed.c
   gnunet/src/testbed/testbed_api.c
Log:
-handler for INIT messages in testbed server

Modified: gnunet/src/testbed/gnunet-service-testbed.c
===================================================================
--- gnunet/src/testbed/gnunet-service-testbed.c 2012-06-13 15:18:35 UTC (rev 
21972)
+++ gnunet/src/testbed/gnunet-service-testbed.c 2012-06-13 15:23:49 UTC (rev 
21973)
@@ -35,7 +35,37 @@
   GNUNET_log (kind, __VA_ARGS__)
 
 
+struct Context
+{
+  /**
+   * The client handle associated with this context
+   */
+  struct GNUNET_SERVER_Client *client;
+  
+  /**
+   * Event mask of event to be responded in this context
+   */
+  uint64_t event_mask;
+
+  /**
+   * Our host id according to this context
+   */
+  uint32_t host_id;
+};
+
+
 /**
+ * The master context; generated with the first INIT message
+ */
+static struct Context *master_context;
+
+/**
+ * The shutdown task handle
+ */
+static GNUNET_SCHEDULER_TaskIdentifier shutdown_task_id;
+
+
+/**
  * Message handler for GNUNET_MESSAGE_TYPE_TESTBED_INIT messages
  *
  * @param cls NULL
@@ -47,34 +77,60 @@
              struct GNUNET_SERVER_Client *client,
              const struct GNUNET_MessageHeader *message)
 {
-  GNUNET_break (0);
+  const struct GNUNET_TESTBED_Message *msg;
+
+  if (NULL != master_context)
+  {
+    GNUNET_break (0);
+    GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
+    return;
+  }
+  msg = (const struct GNUNET_TESTBED_Message *) message;  
+  master_context = GNUNET_malloc (sizeof (struct Context));
+  master_context->client = client;
+  master_context->host_id = ntohl (msg->host_id);
+  master_context->event_mask = GNUNET_ntohll (msg->event_mask);
+  GNUNET_SERVER_client_keep (client);
+  LOG (GNUNET_ERROR_TYPE_DEBUG,
+       "Created master context with host ID: %u\n", master_context->host_id);
+  GNUNET_SERVER_receive_done (client, GNUNET_OK);
 }
 
 
 /**
- * Callback for client disconnect
+ * Task to clean up and shutdown nicely
  *
  * @param cls NULL
- * @param client the client which has disconnected
+ * @param tc the TaskContext from scheduler
  */
 static void
-client_disconnect_cb (void *cls, struct GNUNET_SERVER_Client *client)
+shutdown_task (void *cls,
+               const struct GNUNET_SCHEDULER_TaskContext *tc)
 {
-  GNUNET_break (0);
+  LOG (GNUNET_ERROR_TYPE_DEBUG, "Shutting down testbed service\n");
+  GNUNET_free_non_null (master_context);
 }
 
 
 /**
- * Task to clean up and shutdown nicely
+ * Callback for client disconnect
  *
  * @param cls NULL
- * @param tc the TaskContext from scheduler
+ * @param client the client which has disconnected
  */
 static void
-shutdown_task (void *cls,
-               const struct GNUNET_SCHEDULER_TaskContext *tc)
+client_disconnect_cb (void *cls, struct GNUNET_SERVER_Client *client)
 {
-  GNUNET_break (0);
+  if (NULL == master_context)
+    return;
+  if (client == master_context->client)
+  {
+    LOG (GNUNET_ERROR_TYPE_DEBUG, "Master client disconnected\n");
+    GNUNET_SERVER_client_drop (client);
+    GNUNET_SCHEDULER_cancel (shutdown_task_id);    
+    shutdown_task_id = 
+      GNUNET_SCHEDULER_add_now (&shutdown_task, NULL);
+  }
 }
 
 
@@ -87,22 +143,25 @@
  */
 static void 
 testbed_run (void *cls,
-             struct GNUNET_SERVER_Handle * server,
+             struct GNUNET_SERVER_Handle *server,
              const struct GNUNET_CONFIGURATION_Handle *cfg)
 {
   static const struct GNUNET_SERVER_MessageHandler message_handlers[] =
     {
-      {&handle_init, NULL, GNUNET_MESSAGE_TYPE_TESTBED_INIT, 0},
+      {&handle_init, NULL, GNUNET_MESSAGE_TYPE_TESTBED_INIT,
+       sizeof (struct GNUNET_TESTBED_Message)},
       {NULL}
     };
+
   GNUNET_SERVER_add_handlers (server,
                               message_handlers);
   GNUNET_SERVER_disconnect_notify (server,
                                    &client_disconnect_cb,
                                    NULL);
-  GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_FOREVER_REL,
-                                &shutdown_task,
-                                NULL);
+  shutdown_task_id = 
+    GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_FOREVER_REL,
+                                  &shutdown_task,
+                                  NULL);
 }
 
 

Modified: gnunet/src/testbed/testbed_api.c
===================================================================
--- gnunet/src/testbed/testbed_api.c    2012-06-13 15:18:35 UTC (rev 21972)
+++ gnunet/src/testbed/testbed_api.c    2012-06-13 15:23:49 UTC (rev 21973)
@@ -82,7 +82,7 @@
   /**
    * The helper handle
    */
-  struct GNUNET_HELPER_Handle *h;
+  struct GNUNET_HELPER_Handle *helper;
 
   /**
    * The controller callback
@@ -142,6 +142,7 @@
   struct GNUNET_TESTBED_Controller *c = cls;
   struct MessageQueue *mq_entry;
 
+  c->th = NULL;
   mq_entry = c->mq_head;
   GNUNET_assert (NULL != mq_entry);
   GNUNET_assert (ntohs (mq_entry->msg->size) <= size);
@@ -277,9 +278,9 @@
                           "gnunet-service-testbed",
                           NULL};
   controller = GNUNET_malloc (sizeof (struct GNUNET_TESTBED_Controller));
-  controller->h = GNUNET_TESTBED_host_run_ (host, binary_argv,
+  controller->helper = GNUNET_TESTBED_host_run_ (host, binary_argv,
                                             &server_mst_cb, controller);
-  if (NULL == controller->h)
+  if (NULL == controller->helper)
   {
     GNUNET_free (controller);
     return NULL;
@@ -325,7 +326,20 @@
 void
 GNUNET_TESTBED_controller_stop (struct GNUNET_TESTBED_Controller *controller)
 {
-  GNUNET_break (0);
+  struct MessageQueue *mq_entry;
+
+  if (NULL != controller->th)
+    GNUNET_CLIENT_notify_transmit_ready_cancel (controller->th);
+  for (mq_entry = controller->mq_head; /* Clear the message queue */
+       NULL != mq_entry; mq_entry = controller->mq_head)
+  {
+    GNUNET_free (mq_entry->msg);
+    GNUNET_free (mq_entry);
+  }
+  GNUNET_CLIENT_disconnect (controller->client);
+  GNUNET_HELPER_stop (controller->helper);
+  GNUNET_CONFIGURATION_destroy (controller->cfg);
+  GNUNET_free (controller);
 }