handler.h

00001 
00002 /***************************************************************************
00003  *  network_handler.h - BlackBoard Network Handler
00004  *
00005  *  Created: Sat Mar 01 15:57:59 2008
00006  *  Copyright  2006-2008  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. A runtime exception applies to
00014  *  this software (see LICENSE.GPL_WRE file mentioned below for details).
00015  *
00016  *  This program is distributed in the hope that it will be useful,
00017  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
00018  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00019  *  GNU Library General Public License for more details.
00020  *
00021  *  Read the full text in the LICENSE.GPL_WRE file in the doc directory.
00022  */
00023 
00024 #ifndef __FAWKES_BLACKBOARD_NETWORK_HANDLER_H_
00025 #define __FAWKES_BLACKBOARD_NETWORK_HANDLER_H_
00026 
00027 #include <core/threading/thread.h>
00028 #include <netcomm/fawkes/handler.h>
00029 
00030 #include <core/utils/lock_queue.h>
00031 #include <core/utils/lock_map.h>
00032 #include <list>
00033 
00034 namespace fawkes {
00035 
00036 class Interface;
00037 class BlackBoard;
00038 class FawkesNetworkHub;
00039 class BlackBoardNetHandlerInterfaceListener;
00040 
00041 class BlackBoardNetworkHandler
00042 : public Thread,
00043   public FawkesNetworkHandler
00044 {
00045  public:
00046   BlackBoardNetworkHandler(BlackBoard *blackboard,
00047                            FawkesNetworkHub *hub);
00048   ~BlackBoardNetworkHandler();
00049 
00050   /* from FawkesNetworkHandler interface */
00051   virtual void handle_network_message(FawkesNetworkMessage *msg);
00052   virtual void client_connected(unsigned int clid);
00053   virtual void client_disconnected(unsigned int clid);
00054   virtual void loop();
00055 
00056  /** Stub to see name in backtrace for easier debugging. @see Thread::run() */
00057  protected: virtual void run() { Thread::run(); }
00058 
00059  private:
00060   void send_opensuccess(unsigned int clid, Interface *interface);
00061   void send_openfailure(unsigned int clid, unsigned int errno);
00062 
00063 
00064   BlackBoard *__bb;
00065   LockQueue< FawkesNetworkMessage * >  __inbound_queue;
00066 
00067   // All interfaces, key is the instance serial, value the interface
00068   LockMap< unsigned int, Interface * > __interfaces;
00069   LockMap< unsigned int, Interface * >::iterator __iit;
00070 
00071   std::map<unsigned int, BlackBoardNetHandlerInterfaceListener *>  __listeners;
00072   std::map<unsigned int, BlackBoardNetHandlerInterfaceListener *>::iterator  __lit;
00073 
00074   // Map from instance serial to clid
00075   LockMap<unsigned int, unsigned int > __serial_to_clid;
00076 
00077   // Interfaces per client, key is the client ID, value a list of interfaces opened by client
00078   LockMap< unsigned int, std::list<Interface *> > __client_interfaces;
00079   std::list<Interface *>::iterator __ciit;
00080 
00081   FawkesNetworkHub *__nhub;
00082 };
00083 
00084 } // end namespace fawkes
00085 
00086 #endif

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