- test for external iterator

[oweals/gnunet.git] / src / util / server.c

diff --git a/src/util/server.c b/src/util/server.c
index f62bf8539390c96e8acf7dda3936b4430ac91411..05463e1cb33391190e8ea82491db9798ad26b23a 100644 (file)
--- a/src/util/server.c
+++ b/src/util/server.c
@@ -1,10 +1,10 @@
 /*
      This file is part of GNUnet.
-     (C) 2009, 2012 Christian Grothoff (and other contributing authors)
+     (C) 2009-2013 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
+     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
@@ -238,6 +238,12 @@ struct GNUNET_SERVER_Client
    */
   struct GNUNET_CONNECTION_Handle *connection;
 
+  /**
+   * User context value, manipulated using
+   * 'GNUNET_SERVER_client_{get/set}_user_context' functions.
+   */
+  void *user_context;
+
   /**
    * ID of task used to restart processing.
    */
@@ -285,6 +291,12 @@ struct GNUNET_SERVER_Client
    */
   unsigned int suspended;
 
+  /**
+   * Last size given when user context was initialized; used for
+   * sanity check.
+   */
+  size_t user_context_size;
+
   /**
    * Are we currently in the "process_client_buffer" function (and
    * will hence restart the receive job on exit if suspended == 0 once
@@ -327,15 +339,43 @@ struct GNUNET_SERVER_Client
 };
 
 
+
 /**
- * Scheduler says our listen socket is ready.  Process it!
+ * Return user context associated with the given client.
+ * Note: you should probably use the macro (call without the underscore).
  *
- * @param cls handle to our server for which we are processing the listen
- *        socket
- * @param tc reason why we are running right now
+ * @param client client to query
+ * @param size number of bytes in user context struct (for verification only)
+ * @return pointer to user context
  */
-static void
-process_listen_socket (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc);
+void *
+GNUNET_SERVER_client_get_user_context_ (struct GNUNET_SERVER_Client *client,
+                                       size_t size)
+{
+  if ((0 == client->user_context_size) &&
+      (NULL == client->user_context))
+    return NULL; /* never set */
+  GNUNET_assert (size == client->user_context_size);
+  return client->user_context;
+}
+
+
+/**
+ * Set user context to be associated with the given client.
+ * Note: you should probably use the macro (call without the underscore).
+ *
+ * @param client client to query
+ * @param ptr pointer to user context
+ * @param size number of bytes in user context struct (for verification only)
+ */
+void 
+GNUNET_SERVER_client_set_user_context_ (struct GNUNET_SERVER_Client *client,
+                                       void *ptr,
+                                       size_t size)
+{
+  client->user_context_size = size;
+  client->user_context = ptr;
+}
 
 
 /**
@@ -992,8 +1032,8 @@ process_mst (struct GNUNET_SERVER_Client *client, int ret)
     if (GNUNET_OK == ret)
     {
       LOG (GNUNET_ERROR_TYPE_DEBUG,
-           "Server re-enters receive loop, timeout: %llu.\n",
-           client->idle_timeout.rel_value);
+           "Server re-enters receive loop, timeout: %s.\n",
+           GNUNET_STRINGS_relative_time_to_string (client->idle_timeout, GNUNET_YES));
       client->receive_pending = GNUNET_YES;
       GNUNET_CONNECTION_receive (client->connection,
                                  GNUNET_SERVER_MAX_MESSAGE_SIZE - 1,
@@ -1054,7 +1094,7 @@ process_incoming (void *cls, const void *buf, size_t available,
   if ((NULL == buf) && (0 == available) && (NULL == addr) && (0 == errCode) &&
       (GNUNET_YES != client->shutdown_now) && (NULL != server) &&
       (GNUNET_YES == GNUNET_CONNECTION_check (client->connection)) &&
-      (end.abs_value > now.abs_value))
+      (end.abs_value_us > now.abs_value_us))
   {
     /* wait longer, timeout changed (i.e. due to us sending) */
     LOG (GNUNET_ERROR_TYPE_DEBUG,
@@ -1305,7 +1345,11 @@ GNUNET_SERVER_disconnect_notify (struct GNUNET_SERVER_Handle *server,
 /**
  * Ask the server to notify us whenever a client connects.
  * This function is called whenever the actual network connection
- * is opened.
+ * is opened. If the server is destroyed before this
+ * notification is explicitly cancelled, the 'callback' will
+ * once be called with a 'client' argument of NULL to indicate
+ * that the server itself is now gone (and that the callback
+ * won't be called anymore and also can no longer be cancelled).
  *
  * @param server the server manageing the clients
  * @param callback function to call on sconnect