SelectInterruptor.hxx

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#ifndef RESIP_SelectInterruptor_HXX
#define RESIP_SelectInterruptor_HXX
 
#include "rutil/AsyncProcessHandler.hxx"
#include "rutil/FdPoll.hxx"
#include "rutil/Socket.hxx"
 
namespace resip
{
 
class SelectInterruptor : public AsyncProcessHandler, public FdPollItemIf
{
   public:
      SelectInterruptor();
      virtual ~SelectInterruptor();
 
      virtual void handleProcessNotification();
 
      void interrupt();
 
      void buildFdSet(FdSet& fdset);
 
      void process(FdSet& fdset);
 
      virtual void processPollEvent(FdPollEventMask mask);
 
      /* Get fd of read-side, for use within PollInterruptor,
       * Declared as Socket for easier cross-platform even though pipe fd
       * under linux.
       */
      Socket getReadSocket() const { return mReadThing; }
 
   protected:
 
      /* Cleanup the read side of the interruptor
       * If fdset is provided, it will only try cleaning up if our pipe
       * is ready in fdset. If NULL, it will unconditionally try reading.
       * This last feature is for use within PollInterruptor.
       */
      void processCleanup();
   private:
#ifndef WIN32
      int mPipe[2];
#else
      Socket mSocket;
      sockaddr mWakeupAddr;
#endif
      // either mPipe[0] or mSocket
      Socket mReadThing;
};
 
}
 
#endif
 
/* ====================================================================
 * The Vovida Software License, Version 1.0
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 * Copyright (c) 2000 Vovida Networks, Inc.  All rights reserved.
 *
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