Sockets/EventHandler.h

   1 /** \file EventHandler.h
   2  **     \date  2005-12-07
   3  **     \author grymse@alhem.net
   4 **/
   5 /*
   6 Copyright (C) 2005,2007  Anders Hedstrom
   7
   8 This library is made available under the terms of the GNU GPL.
   9
  10 If you would like to use this library in a closed-source application,
  11 a separate license agreement is available. For information about
  12 the closed-source license agreement for the C++ sockets library,
  13 please visit http://www.alhem.net/Sockets/license.html and/or
  14 email license@alhem.net.
  15
  16 This program is free software; you can redistribute it and/or
  17 modify it under the terms of the GNU General Public License
  18 as published by the Free Software Foundation; either version 2
  19 of the License, or (at your option) any later version.
  20
  21 This program is distributed in the hope that it will be useful,
  22 but WITHOUT ANY WARRANTY; without even the implied warranty of
  23 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  24 GNU General Public License for more details.
  25
  26 You should have received a copy of the GNU General Public License
  27 along with this program; if not, write to the Free Software
  28 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  29 */
  30 #ifndef _SOCKETS_EventHandler_H
  31 #define _SOCKETS_EventHandler_H
  32
  33 #include "sockets-config.h"
  34 #include "SocketHandler.h"
  35 #include "IEventHandler.h"
  36
  37 #ifdef SOCKETS_NAMESPACE
  38 namespace SOCKETS_NAMESPACE {
  39 #endif
  40
  41
  42 class StdLog;
  43 class IEventOwner;
  44 class Event;
  45 class TcpSocket;
  46
  47 /** SocketHandler implementing the IEventHandler interface.
  48         \ingroup timer */
  49 class EventHandler : public SocketHandler,public IEventHandler
  50 {
  51 public:
  52         EventHandler(StdLog * = NULL);
  53         EventHandler(Mutex&,StdLog * = NULL);
  54         ~EventHandler();
  55
  56         bool GetTimeUntilNextEvent(struct timeval *tv);
  57         void CheckEvents();
  58         long AddEvent(IEventOwner *from,long sec,long usec);
  59         void ClearEvents(IEventOwner *from);
  60         void RemoveEvent(IEventOwner *from,long eid);
  61
  62         /** SocketHandler while() loop implemented with event functionality. */
  63         void EventLoop();
  64         /** Stop event loop. */
  65         void SetQuit(bool = true);
  66
  67         void Add(Socket *);
  68
  69 private:
  70         EventHandler(const EventHandler& ) {} // copy constructor
  71         EventHandler& operator=(const EventHandler& ) { return *this; } // assignment operator
  72         std::list<Event *> m_events;
  73         bool m_quit;
  74         TcpSocket *m_socket;
  75         port_t m_port;
  76 };
  77
  78
  79
  80 #ifdef SOCKETS_NAMESPACE
  81 }
  82 #endif
  83
  84 #endif // _SOCKETS_EventHandler_H
  85