git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@6064 d0543943-73ff-0310-b7d9-9358b9ac24b2

src/mod/endpoints/mod_opal/mod_opalh323.cpp

+/*
+ * mod_opalh323.cpp
+ *
+ * Opal-H323 gluer for Freeswitch
+ * This file implements fontend of OpalH323 module functions
+ * that is all functions that are used for communication
+ * between FreeSWITCH core and this module
+ *
+ *
+ * Copyright (c) 2007 Lukasz Zwierko (lzwierko@gmail.com)
+ *
+ * The contents of this file are subject to the Mozilla Public License
+ * Version 1.0 (the "License"); you may not use this file except in
+ * compliance with the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS"
+ * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
+ * the License for the specific language governing rights and limitations
+ * under the License.
+ *
+ *
+ * The Initial Developer of the Original Code is Lukasz Zwierko (lzwierko@gmail.com)
+ *
+ * Contributor(s):
+ *
+ * $Log: mod_opalh323.cpp,v $
+ *
+ * Revision 1.00  2007/10/24 07:29:52  lzwierko
+ * Initial revision
+ */
+
+
+#include "mod_opalh323.h"
+
+/* All gluer frontend function for Freeswitch must be 
+ * "C" functions. Because OPAL is written in C++
+ * I implemented module gluer functions as extern "C"
+ */
+extern "C" {
+    
+/* 
+ * Loadable FreeSWITCH module functions declaration
+ */
+SWITCH_MODULE_LOAD_FUNCTION(mod_opalh323_load);
+SWITCH_MODULE_SHUTDOWN_FUNCTION(mod_opalh323_shutdown);
+SWITCH_MODULE_DEFINITION(mod_opalh323, mod_opalh323_load, mod_opalh323_shutdown, NULL);
+    
+/*
+ * Pointer to endpoint interface descriptor for this module 
+ */
+switch_endpoint_interface_t *opalh323_endpoint_interface;
+
+
+/*
+ * This function is called on module load
+ * It sets up: 
+ * 1. frontend - interface to FreeSWITCH core
+ * 2. backend - inerface to OPAL core
+ *
+ */
+SWITCH_MODULE_LOAD_FUNCTION(mod_opalh323_load)
+{
+    /* indicate that the module should continue to be loaded */
+    return SWITCH_STATUS_SUCCESS;
+}
+
+/*
+ * This functionis called on module teardown
+ * It releases all internal resources, i.e. 
+ * it dealocates OPAL core
+ * 
+ */
+SWITCH_MODULE_SHUTDOWN_FUNCTION(mod_sofia_shutdown)
+{
+    return SWITCH_STATUS_SUCCESS;
+}
+
+/*
+ * IO routines handlers
+ */
+static switch_io_routines_t opalh323_io_routines = {
+	/*.outgoing_channel */ opalh323_outgoing_channel,
+	/*.read_frame */ opalh323_read_frame,
+	/*.write_frame */ opalh323_write_frame,
+	/*.kill_channel */ opalh323_kill_channel,
+	/*.waitfor_read */ opalh323_waitfor_read,
+	/*.waitfor_read */ opalh323_waitfor_write,
+	/*.send_dtmf */ opalh323_send_dtmf,
+	/*.receive_message */ opalh323_receive_message,
+	/*.receive_event */ opalh323_receive_event,
+	/*.state_change*/ opalh323_state_change,
+	/*.read_video_frame*/ opalh323_read_video_frame,
+	/*.write_video_frame*/ opalh323_write_video_frame
+};
+
+static switch_call_cause_t opalh323_outgoing_channel(switch_core_session_t *, switch_caller_profile_t *, switch_core_session_t **, switch_memory_pool_t **)
+{
+    return 0;
+}
+
+static switch_status_t opalh323_read_frame(switch_core_session_t *, switch_frame_t **, int, switch_io_flag_t, int)
+{
+    return SWITCH_STATUS_SUCCESS;
+}
+
+static switch_status_t opalh323_write_frame(switch_core_session_t *, switch_frame_t *, int, switch_io_flag_t, int)
+{
+    return SWITCH_STATUS_SUCCESS;
+}
+
+static switch_status_t opalh323_kill_channel(switch_core_session_t *, int)
+{
+    return SWITCH_STATUS_SUCCESS;
+}
+
+static switch_status_t opalh323_waitfor_read(switch_core_session_t *, int, int)
+{
+    return SWITCH_STATUS_SUCCESS;
+}
+
+static switch_status_t opalh323_waitfor_write(switch_core_session_t *, int, int)
+{
+    return SWITCH_STATUS_SUCCESS;
+}
+
+static switch_status_t opalh323_send_dtmf(switch_core_session_t *, char *)
+{
+    return SWITCH_STATUS_SUCCESS;
+}
+
+static switch_status_t opalh323_receive_message(switch_core_session_t *, switch_core_session_message_t *)
+{
+    return SWITCH_STATUS_SUCCESS;
+}
+
+static switch_status_t opalh323_receive_event(switch_core_session_t *, switch_event_t *)
+{
+    return SWITCH_STATUS_SUCCESS;
+}
+
+static switch_status_t opalh323_state_change(switch_core_session_t *)
+{
+    return SWITCH_STATUS_SUCCESS;
+}
+
+static switch_status_t opalh323_read_video_frame(switch_core_session_t *, switch_frame_t **, int, switch_io_flag_t, int)
+{
+    return SWITCH_STATUS_SUCCESS;
+}
+
+static switch_status_t opalh323_write_video_frame(switch_core_session_t *, switch_frame_t *, int, switch_io_flag_t, int)
+{
+    return SWITCH_STATUS_SUCCESS;
+}
+
+/*
+ * Event handlers
+ */
+static switch_state_handler_table_t opalh323_event_handlers = {
+	/*.on_init */ opalh323_on_init,
+	/*.on_ring */ opalh323_on_ring,
+	/*.on_execute */ opalh323_on_execute,
+	/*.on_hangup */ opalh323_on_hangup,
+	/*.on_loopback */ opalh323_on_loopback,
+	/*.on_transmit */ opalh323_on_transmit
+};
+
+static switch_status_t opalh323_on_init(switch_core_session_t *session)
+{
+    return SWITCH_STATUS_SUCCESS;
+}
+
+static switch_status_t opalh323_on_ring(switch_core_session_t *session)
+{
+    return SWITCH_STATUS_SUCCESS;
+}
+
+static switch_status_t opalh323_on_execute(switch_core_session_t *session)
+{
+    return SWITCH_STATUS_SUCCESS;
+}
+
+static switch_status_t opalh323_on_hangup(switch_core_session_t *session)
+{
+    return SWITCH_STATUS_SUCCESS;
+}
+
+static switch_status_t opalh323_on_loopback(switch_core_session_t *session)
+{
+    return SWITCH_STATUS_SUCCESS;
+}
+
+static switch_status_t opalh323_on_transmit(switch_core_session_t *session)
+{
+    return SWITCH_STATUS_SUCCESS;
+}
+
+
+
+}