tFifoCancel.cxx
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上传日期:2013-07-25
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- /* ====================================================================
- * 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 vocal@vovida.org.
- *
- * 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 1.9 2001/05/13 10:34:15 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::Threads;
- using namespace Vocal::Logging;
- using Vocal::Signals::SignalHandler;
- using Vocal::Services::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 );
- }