testapptimer.cxx

一个著名的SIP协议栈

#include <iostream>
#include "resip/stack/TransactionMessage.hxx"
#include "resip/stack/TimerQueue.hxx"
#include "resip/stack/TuSelector.hxx"
#include "rutil/Fifo.hxx"
#include "rutil/Logger.hxx"
#ifdef WIN32
#include <io.h>
#else
#include <unistd.h>
#endif

#ifdef WIN32
#define usleep(x) Sleep(x/1000)
#define sleep(x) Sleep(x*1000)
#endif

#define RESIPROCATE_SUBSYSTEM Subsystem::TEST

using namespace resip;
using namespace std;

bool
isNear(int value, int reference, int epsilon=250)
{
   int diff = ::abs(value-reference);
   return (diff < epsilon);
}

class AppMessage : public Message
{
   public:
      AppMessage(const Data& text)
         : mText(text)
      {}

      virtual ostream& encode(ostream& s) const {s << mText; return s;}
      virtual std::ostream& encodeBrief(std::ostream& s) const {return s << mText;}

      const Data& getText() const
      {
         return mText;
      }
      
      virtual Message* clone() const
      {
         return new AppMessage(mText);
      }

   private:
      const Data mText;
};

int
main(int argc, char** argv)
{
   Log::initialize(Log::Cout, Log::Debug, argv[0]);

   TimeLimitFifo<Message> f(0, 0);
   TimeLimitTimerQueue timer(f);

   cerr << "Before Fifo size: " << f.size() << endl;
   assert(f.size() == 0);
   cerr << "next timer = " << timer.msTillNextTimer() << endl;
   assert(timer.msTillNextTimer() == INT_MAX);

   timer.add(Timer(1000, new AppMessage("first")));
   cerr << timer;
   assert(f.size() == 0);
   timer.process();
   cerr << "Immediately after Fifo size: " << f.size() << endl;
   assert(f.size() == 0);

   sleep(1);
   timer.process();
   assert(f.size() == 1);

   Message* msg = f.getNext();

   cerr << *msg << endl;

   delete msg;
   return 0;
}

/* ====================================================================
 * The Vovida Software License, Version 1.0 
 * 
 * Copyright (c) 2000 Vovida Networks, Inc.  All rights reserved.
 * 
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 *    distribution.
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 *    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].
 *
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 *    may "VOCAL" appear in their name, without prior written
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