async_test_server.cpp

linux下的异步通信库 支持TCP和UDP异步通信 编译和使用前先读readme.

/*
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU Library General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 */
 
// async_test_server.cpp - Copyright (C) 2002, Simon Brenner

#include <stdlib.h>
#include <stdio.h>
#include <unistd.h>
#include "async.h"
#include "StreamConnection.hpp"
#include "FdConnection.hpp"

class MyStreamConnection: public StreamConnection
{
public:
	MyStreamConnection(StreamConnection *other): StreamConnection(other->getFd())
	{
		delete other; // This also calls RemoveSocket(fd, other)
		AddSocket(fd, this);
	}
	
	virtual void OnRead()
	{
		char buffer[512];
		uint bRead=0;
		Read(buffer, 512, &bRead);
		buffer[bRead]=0;
		printf("Client sent: \"%s\"\n", buffer);
	}
};

class StdInConnection: public FdConnection
{
public:
	inline StdInConnection(): FdConnection(0)
	{
		setNonBlocking(true);
	}

	virtual void OnRead()
	{
		printf("In StdInConnection::OnRead()\n");
		char buffer[512];
		uint bRead=0;
		Read(buffer, 512, &bRead);
		for (int n=0;n<bRead;n++)
		{
			OnCommand(buffer[n]);
		}
	}
	
	void OnCommand(char cmd)
	{
		switch (cmd)
		{
			case 'q':
				exit(0);
				break;
		}
	}
};

class MyStreamServerConnection: public StreamConnection
{
public:
	virtual void OnRead()
	{
		printf("In MyStreamServerConnection::OnRead()\n");
		fflush(stdout);
		new MyStreamConnection(Accept());
		printf("Accepted connection\n");
	}
};

int main()
{
	InitAsync();
	
	StdInConnection stdInConn;
	
	MyStreamServerConnection conn;
	conn.Bind(5551);
	
	conn.Listen(5);
	AsyncNotificationLoop();
	return 0;
}