Fawkes API  Fawkes Development Version
writer_listener.cpp
00001 
00002 /***************************************************************************
00003  *  writer_listener.cpp - Sync Writer Interface Listener
00004  *
00005  *  Created: Fri Jun 05 16:16:22 2009
00006  *  Copyright  2006-2009  Tim Niemueller [www.niemueller.de]
00007  *
00008  ****************************************************************************/
00009 
00010 /*  This program is free software; you can redistribute it and/or modify
00011  *  it under the terms of the GNU General Public License as published by
00012  *  the Free Software Foundation; either version 2 of the License, or
00013  *  (at your option) any later version.
00014  *
00015  *  This program is distributed in the hope that it will be useful,
00016  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
00017  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00018  *  GNU Library General Public License for more details.
00019  *
00020  *  Read the full text in the LICENSE.GPL file in the doc directory.
00021  */
00022 
00023 #include "writer_listener.h"
00024 #include "sync_thread.h"
00025 
00026 #include <blackboard/blackboard.h>
00027 #include <utils/logging/logger.h>
00028 
00029 using namespace fawkes;
00030 
00031 /** @class SyncWriterInterfaceListener "writer_listener.h"
00032  * Listener for writer events in bbsync plugin.
00033  * This class provides an adapter which reacts to writer events for a given
00034  * number of (reading) interfaces. Note that the listener is <i>not</i>
00035  * automatically registered, this has to be done from the outside.
00036  * @author Tim Niemueller
00037  */
00038 
00039 /** Constructor.
00040  * @param sync_thread parent sync thread to sent events to
00041  * @param logger logger for informational output
00042  * @param desc description for this interface combination
00043  */
00044 SyncWriterInterfaceListener::SyncWriterInterfaceListener(BlackBoardSynchronizationThread *sync_thread,
00045                                                          fawkes::Logger *logger,
00046                                                          const char *desc)
00047   : BlackBoardInterfaceListener("SyncWriterInterfaceListener(%s)", desc)
00048 {
00049   __logger      = logger;
00050   __sync_thread = sync_thread;
00051 }
00052 
00053 
00054 /** Add an interface to listen to.
00055  * @param interface interface to listen to for writer events
00056  */
00057 void
00058 SyncWriterInterfaceListener::add_interface(Interface *interface)
00059 {
00060   bbil_add_writer_interface(interface);
00061 }
00062 
00063 
00064 /** Remove an interface to listen to.
00065  * @param interface interface not to listen any longer for writer events
00066  */
00067 void
00068 SyncWriterInterfaceListener::remove_interface(Interface *interface)
00069 {
00070   bbil_remove_writer_interface(interface);
00071 }
00072 
00073 void
00074 SyncWriterInterfaceListener::bb_interface_writer_added(fawkes::Interface *interface,
00075                                                        unsigned int instance_serial) throw()
00076 {
00077   __sync_thread->writer_added(interface);
00078 }
00079 
00080 
00081 void
00082 SyncWriterInterfaceListener::bb_interface_writer_removed(fawkes::Interface *interface,
00083                                                          unsigned int instance_serial) throw()
00084 {
00085   __sync_thread->writer_removed(interface);
00086 }