libev cpp example

test_io.cc

/*
 * test_io.cc
 *
 *  Created on: Jun 4, 2014
 *      Author: damonhao
 */

#include <ev++.h>
#include <stdio.h>

#define BUFFERSIZE 50

using namespace ev;

class MyClass
{
public:
	MyClass(ev::loop_ref loop, int fd) :
		ioWatcher_(loop)
	{
		ioWatcher_.set<MyClass, &MyClass::io_cb>(this);
		ioWatcher_.set(fd, ev::READ);
	}
	void start()
	{
		ioWatcher_.start();
	}
private:
	void io_cb(ev::io &io_watcher, int revents)
	{
		puts("in io_cb");
		char buf[BUFFERSIZE];
		if (gets(buf) != NULL)
		{
			puts(buf);
		}
		else
		{
			puts("read fd error");
		}
		io_watcher.stop();
	}
	ev::io ioWatcher_;
};

int main()
{
	default_loop loop;
//	default_loop loop1 = loop;
//	loop_ref haha = loop;
	MyClass my_io(loop, STDIN_FILENO);
	my_io.start();
	loop.run();
	return 0;
}

test_timer.cc

/*
 * test_timer.cc
 *
 *  Created on: Jun 13, 2014
 *      Author: damonhao
 */

#include <stdio.h>

#include <ev++.h>


using namespace ev;

class MyClass
{
public:
	MyClass(ev::loop_ref loop) :
			timerWatcher_(loop)
	{
		timerWatcher_.set<MyClass, &MyClass::timerCallBack2>(this);
	}
	void start()
	{
		timerWatcher_.start(2.0, 0.0);
	}
private:
	void timerCallBack1(ev::timer &io_watcher, int revents)
	{
		puts("timeout1");
	}
        //at most timer's call back should have no arguments
	void timerCallBack2()
	{
		puts("timeout2");
	}
	ev::timer timerWatcher_;
};

int main()
{
	default_loop loop;
	MyClass myTimer(loop);
	myTimer.start();
	loop.run();
	return 0;
}