--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/loudmouth/src/lm-message-handler.c	Tue Feb 02 01:10:06 2010 +0200
@@ -0,0 +1,160 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
+/*
+ * Copyright (C) 2003 Imendio AB
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this program; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#include <config.h>
+
+#include "lm-internals.h"
+#include "lm-message-handler.h"
+#include "lm-debug.h"
+struct LmMessageHandler {
+	gboolean                valid;
+        gint                    ref_count;
+        LmHandleMessageFunction function;
+        gpointer                user_data;
+        GDestroyNotify          notify;
+};
+
+LmHandlerResult 
+_lm_message_handler_handle_message (LmMessageHandler *handler,
+                                    LmConnection     *connection,
+                                    LmMessage        *message)
+{
+     g_return_val_if_fail (handler != NULL, 
+                          LM_HANDLER_RESULT_ALLOW_MORE_HANDLERS);
+	lm_verbose("\nCalling handler in handler_handle_message\n");
+	if (!handler->valid) {
+		return LM_HANDLER_RESULT_ALLOW_MORE_HANDLERS;
+	}
+        
+        if (handler->function) {
+        		lm_verbose("In handler msg Node name: %s", message->node->name);
+                return (* handler->function) (handler, connection, 
+                                              message, handler->user_data);
+        }
+        lm_verbose("could not call handler: go for more handlers\n");
+        return LM_HANDLER_RESULT_ALLOW_MORE_HANDLERS;
+}
+
+/**
+ * lm_message_handler_new:
+ * @function: a callback
+ * @user_data: user data passed to function
+ * @notify: function called when the message handler is freed
+ * 
+ * Creates a new message handler. This can be set to handle incoming messages
+ * and when a message of the type the handler is registered to handle is
+ * received @function will be called and @user_data will be passed to it.
+ * @notify is called when the message handler is freed, that way any memory
+ * allocated by @user_data can be freed.
+ * 
+ * Return value: a newly created message handler
+ **/
+EXPORT_C LmMessageHandler *
+lm_message_handler_new (LmHandleMessageFunction function,
+                        gpointer                user_data,
+                        GDestroyNotify          notify)
+{
+        LmMessageHandler *handler;
+
+	g_return_val_if_fail (function != NULL, NULL);
+        
+        handler = g_new0 (LmMessageHandler, 1);
+        
+        if (handler == NULL) {
+                return NULL;
+        }
+        
+	handler->valid     = TRUE;	
+        handler->ref_count = 1;
+        handler->function  = function;
+        handler->user_data = user_data;
+        handler->notify    = notify;
+        
+        return handler;
+}
+
+/**
+ * lm_message_handler_invalidate
+ * @handler: an #LmMessageHandler
+ *
+ * Invalidates the handler. Useful if you need to cancel a reply
+ **/
+EXPORT_C void
+lm_message_handler_invalidate (LmMessageHandler *handler)
+{
+	handler->valid = FALSE;
+}
+
+/**
+ * lm_message_handler_is_valid
+ * @handler: an #LmMessageHandler
+ *
+ * Fetches whether the handler is valid or not.
+ *
+ * Return value: #TRUE if @handler is valid, otherwise #FALSE
+ **/
+EXPORT_C gboolean
+lm_message_handler_is_valid (LmMessageHandler *handler)
+{
+	g_return_val_if_fail (handler != NULL, FALSE);
+
+	return handler->valid;
+}
+
+/**
+ * lm_message_handler_ref:
+ * @handler: an #LmMessageHandler
+ * 
+ * Adds a reference to @handler.
+ * 
+ * Return value: the message handler
+ **/
+EXPORT_C LmMessageHandler *
+lm_message_handler_ref (LmMessageHandler *handler)
+{
+        g_return_val_if_fail (handler != NULL, NULL);
+        
+        handler->ref_count++;
+
+        return handler;
+}
+
+/**
+ * lm_message_handler_unref:
+ * @handler: an #LmMessagHandler
+ * 
+ * Removes a reference from @handler. When no more references are present the 
+ * handler is freed.
+ **/
+EXPORT_C void
+lm_message_handler_unref (LmMessageHandler *handler)
+{
+        g_return_if_fail (handler != NULL);
+        
+        handler->ref_count --;
+        
+        if (handler->ref_count == 0) {
+                if (handler->notify) {
+                        (* handler->notify) (handler->user_data);
+                }
+                g_free (handler);
+        }
+}
+