tfifocancel.cxx

mgcp协议源代码。支持多种编码：g711

/* ====================================================================
 * 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
 *    the documentation and/or other materials provided with the
 *    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.
 * 
 * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESSED OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, TITLE AND
 * NON-INFRINGEMENT ARE DISCLAIMED.  IN NO EVENT SHALL VOVIDA
 * NETWORKS, INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT DAMAGES
 * IN EXCESS OF $1,000, NOR FOR ANY INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
 * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
 * DAMAGE.
 * 
 * ====================================================================
 * 
 * This software consists of voluntary contributions made by Vovida
 * Networks, Inc. and many individuals on behalf of Vovida Networks,
 * Inc.  For more information on Vovida Networks, Inc., please see
 * <http://www.vovida.org/>.
 *
 */
static const char* const tFifoCancel_cxx_Version = 
"$Id: tFifoCancel.cxx,v 1.6.4.1 2001/02/14 21:33:54 icahoon Exp $";
#include "Application.hxx"
#include "Fifo.h"
#include "Sptr.hxx"
#include "Event.hxx"
#include "Thread.hxx"
#include "SignalHandler.hxx"
#include "VLog.hxx"
#include <cstdio>

using namespace Vocal;
using namespace Vocal::Process;
using namespace Vocal::Logging;
using Vocal::Signaling::Event;

class TestApplication : public Application
{
    public:
    	ReturnCode  	run();
};

Application *	Application::create()
{
    return ( new TestApplication );
}

int main(int argc, char ** argv, char ** arge)
{
    return ( Application::main(argc, argv, arge) );
}

class TimerEvent : public Event
{
    public:
    	TimerEvent(int msec, FifoBase< Sptr<Event> > & fifo)
	    :	msec_(msec),
	    	fifo_(fifo),
		id_(0)
	{
	}
	
    	virtual ~TimerEvent() 
	{
	}

    	void	start(Sptr<Event> event)
	{
	    id_ = fifo_.addDelayMs(event, msec_);
	}
	
	
    	FifoEventId 	id()
	{
	    return ( id_ );
	}
	
    	virtual const char* const name() const 
	{ 
	    return ( "TimerEvent" ); 
	}

    private:
    	int 	    	    	    	msec_;
	FifoBase< Sptr<Event> > &	fifo_;
	FifoEventId 	    	    	id_;
};

class CancelTimerEvent : public Event
{
    public:
    	CancelTimerEvent(
	    FifoEventId id1, 
	    FifoEventId id2, 
	    FifoBase< Sptr<Event> > & fifo
	)
	    :	id1_(id1),
	    	id2_(id2),
	    	fifo_(fifo)
	{
	}
	
    	virtual ~CancelTimerEvent() 
	{
	}

    	void	start(Sptr<Event> event)
	{
	    fifo_.add(event);
	}
	
    	virtual const char* const name() const 
	{ 
	    return ( "CancelTimerEvent" ); 
	}

    	void	process()
	{
	    cout << "Cancelling id = " << id1_ << endl;
	    fifo_.cancel(id1_);
	    cout << "Cancelling id = " << id2_ << endl;
	    fifo_.cancel(id2_);
	}

    private:
	FifoEventId 	    	    	id1_;
	FifoEventId 	    	    	id2_;
	FifoBase< Sptr<Event> > &	fifo_;
};

class TimerStart : public Runnable
{
    private:
    	FifoBase< Sptr<Event> > 	&   fifo_;
	
    public:
    	TimerStart(FifoBase< Sptr<Event> > & fifo) : fifo_(fifo) {}
	~TimerStart() {}

	ReturnCode  run()
	{
	    
	    int     twentySec	= 20 * 1000;
	    int     tenSec  	= 10 * 1000;
	    int     zeroSec  	= 0;


	    Sptr<TimerEvent> zeroSecTimer
	    	= new TimerEvent(zeroSec, fifo_);

	    Sptr<TimerEvent> tenSecTimer
	    	= new TimerEvent(tenSec, fifo_);

	    Sptr<TimerEvent> twentySecTimer 
	    	= new TimerEvent(twentySec, fifo_);

	    
    	    zeroSecTimer->start(zeroSecTimer);
    	    tenSecTimer->start(tenSecTimer);
	    twentySecTimer->start(twentySecTimer);

    	    Sptr<CancelTimerEvent> cancelTimer 
	    	= new CancelTimerEvent(
		    	zeroSecTimer->id(), 
			tenSecTimer->id(),
		    	fifo_);

    	    cancelTimer->start(cancelTimer);

	    cout << "Created zero second timerEvent, id = " 
	    	<< zeroSecTimer->id() << endl;
		
	    cout << "Created ten second timerEvent, id = "  
	    	<< tenSecTimer->id() << endl;
		
	    cout << "Created twenty second timerEvent, id = " 
	    	<< twentySecTimer->id() << endl;
	    
	    return ( SUCCESS );
	}
};

ReturnCode
TestApplication::run()
{
    Thread::init();
    SignalHandler::init();
    VLog::init(LOG_DEBUG);
    
    VLog::on(LOG_INFO);
    
    Fifo< Sptr<Event> >     fifo;

    TimerStart	    	timerStart(fifo);

    Thread  	    *	timerStartThread = new Thread(timerStart);

    for ( int i = 0; i < 25; i++ )
    {
    	sleep(1);
	fprintf(stdout, ".");
	fflush(stdout);
    }
    fprintf(stdout, "\n");
    
    for ( int i = 0; i < 2; i++ )
    {
    	Sptr<Event> event = fifo.getNext();

	cout << "event = " << *event << endl;

    	Sptr<CancelTimerEvent> cancelTimerEvent;

	if ( cancelTimerEvent.dynamicCast(event) != 0 )
	{
	    cout << "Processing cancel." << endl;
	    cancelTimerEvent->process();
	}
    }    

    timerStartThread->join();

    delete timerStartThread;

    VLog::uninit();
    SignalHandler::uninit();
    Thread::uninit();

    return ( 0 );
}