selectinterruptor.hxx

一个著名的SIP协议栈

#ifndef RESIP_SelectInterruptor_HXX
#define RESIP_SelectInterruptor_HXX

#include "resip/stack/AsyncProcessHandler.hxx"
#include "rutil/Socket.hxx"

#if 0
#if defined(WIN32)
#include <Ws2tcpip.h>
#else
#include <netinet/in.h>
#endif
#endif

namespace resip
{

/**
    Used to 'artificially' interrupt a select call
*/
class SelectInterruptor : public AsyncProcessHandler
{
   public:
      SelectInterruptor();
      virtual ~SelectInterruptor();
      
      /** 
          Called by the stack when messages are posted to it.
          Calls interrupt.  
      */
      virtual void handleProcessNotification(); 
      
      /** 
          cause the 'artificial' fd to signal 
      */
      void interrupt();      

      /** 
          Used to add the 'artificial' fd to the fdset that
          will be responsible for interrupting a subsequent select
          call.  
      */
      void buildFdSet(FdSet& fdset);

      /** 
          cleanup signalled fd
      */
      void process(FdSet& fdset);
   private:
#ifndef WIN32
      int mPipe[2];
#else
      Socket mSocket;
      sockaddr mWakeupAddr;
#endif
         
};

}

#endif

/* ====================================================================
 * The Vovida Software License, Version 1.0 
 * 
 * Copyright (c) 2000 Vovida Networks, Inc.  All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
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 *    distribution.
 * 
 * 3. The names "VOCAL", "Vovida Open Communication Application Library",
 *    and "Vovida Open Communication Application Library (VOCAL)" must
 *    not be used to endorse or promote products derived from this
 *    software without prior written permission. For written
 *    permission, please contact [e-mail].
 *
 * 4. Products derived from this software may not be called "VOCAL", nor
 *    may "VOCAL" appear in their name, without prior written
 *    permission of Vovida Networks, Inc.
 * 
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 * ====================================================================
 * 
 * This software consists of voluntary contributions made by Vovida
 * Networks, Inc. and many individuals on behalf of Vovida Networks,
 * Inc.  For more information on Vovida Networks, Inc., please see
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