activity.cpp.svn-base

很好用的网络封装库,不熟悉网络编程的人也可以使用。使用风格良好的标准c++编写。

//
// Activity.cpp
//
// $Id: //poco/1.3/Foundation/samples/Activity/src/Activity.cpp#1 $
//
// This sample demonstrates the Activity class.
//
// Copyright (c) 2004-2006, Applied Informatics Software Engineering GmbH.
// and Contributors.
//
// Permission is hereby granted, free of charge, to any person or organization
// obtaining a copy of the software and accompanying documentation covered by
// this license (the "Software") to use, reproduce, display, distribute,
// execute, and transmit the Software, and to prepare derivative works of the
// Software, and to permit third-parties to whom the Software is furnished to
// do so, all subject to the following:
// 
// The copyright notices in the Software and this entire statement, including
// the above license grant, this restriction and the following disclaimer,
// must be included in all copies of the Software, in whole or in part, and
// all derivative works of the Software, unless such copies or derivative
// works are solely in the form of machine-executable object code generated by
// a source language processor.
// 
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
// SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
// FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
// ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
//


#include "Poco/Activity.h"
#include "Poco/Thread.h"
#include <iostream>


using Poco::Activity;
using Poco::Thread;


class ActivityExample
{
public:
	ActivityExample():
		_activity(this, &ActivityExample::runActivity)
	{
	}
	
	void start()
	{
		_activity.start();
	}
	
	void stop()
	{
		_activity.stop();
		_activity.wait();
	}

protected:
	void runActivity()
	{
		while (!_activity.isStopped())
		{
			std::cout << "Activity running." << std::endl;
			Thread::sleep(250);
		}
		std::cout << "Activity stopped." << std::endl;
	}
	
private:
	Activity<ActivityExample> _activity;
};


int main(int argc, char** argv)
{
	ActivityExample example;
	example.start();
	Thread::sleep(2000);
	example.stop();

	example.start();
	example.stop();

	return 0;
}