abstractport.java

MilyQQ是一个使用控制台的QQ客户端,基于LumaQQ的核心JQL包开发,只有一个可执行的jar包(MilyQQ.jar),携带方便,由于是Java程序,因此理论上应该可以运行于所有平台,不过基于

/*
* LumaQQ - Java QQ Client
*
* Copyright (C) 2004 notXX
*                    luma <[e-mail]>
*
* 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 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
*/
//package edu.tsinghua.lumaqq.qq.net;

import java.io.IOException;
import java.net.InetSocketAddress;
import java.nio.ByteBuffer;
import java.util.LinkedList;
import java.util.Queue;
/*
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

import edu.tsinghua.lumaqq.qq.QQ;
import edu.tsinghua.lumaqq.qq.QQClient;
import edu.tsinghua.lumaqq.qq.events.QQEvent;
import edu.tsinghua.lumaqq.qq.packets.OutPacket;
*/
/**
 * 部分实现包收发.
 *
 * @author notxx
 * @author luma
 */
abstract class AbstractPort implements IPort, INIOHandler {
//	private static final Log log = LogFactory.getLog(AbstractPort.class);

	/** 发送缓冲区 */
	protected ByteBuffer sendBuf;

	/** 接收缓冲区 */
	protected ByteBuffer receiveBuf;

	/** 发送队列 */
	protected Queue<OutPacket> sendQueue;

	/** QQ客户端类 */
    protected QQClient client;

    /** 端口名称 */
    protected String name;

    /** 远程地址 */
    protected InetSocketAddress remoteAddress;

    /** 代理地址 */
    protected InetSocketAddress proxyAddress;

    /** 引用计数，port创建后，reference自动设为1 */
    protected int reference;

    /**
	 * 构造函数
	 */
	public AbstractPort(QQClient client, String name) {
	    this.client = client;
	    this.name = name;
	    reference = 1;
	    sendQueue = new LinkedList<OutPacket>();
	    sendBuf = ByteBuffer.allocateDirect(QQ.QQ_MAX_PACKET_SIZE);
	    receiveBuf = ByteBuffer.allocateDirect(QQ.QQ_MAX_PACKET_SIZE);
	}

	/* (non-Javadoc)
	 * @see edu.tsinghua.lumaqq.qq.net.IPort#getReference()
	 */
	public synchronized int getReference() {
		return reference;
	}

	/* (non-Javadoc)
	 * @see edu.tsinghua.lumaqq.qq.net.IPort#increaseReference()
	 */
	public synchronized void increaseReference() {
		reference++;
	}

	/* (non-Javadoc)
	 * @see edu.tsinghua.lumaqq.qq.net.IPort#decreaseReference()
	 */
	public synchronized void decreaseReference() {
		reference--;
	}

	/* (non-Javadoc)
	 * @see edu.tsinghua.lumaqq.qq.net.IPort#getName()
	 */
	public String getName() {
		return name;
	}

	/* (non-Javadoc)
	 * @see edu.tsinghua.lumaqq.qq.net.IPort#add(edu.tsinghua.lumaqq.qq.packets.OutPacket)
	 */
	public synchronized void add(OutPacket packet) {
		sendQueue.offer(packet);
		client.getPorter().wakeup();
	}

	/* (non-Javadoc)
     * @see edu.tsinghua.lumaqq.qq.IPort#clear()
     */
    public synchronized void clear() {
        sendQueue.clear();
    }

	/* (non-Javadoc)
	 * @see edu.tsinghua.lumaqq.qq.IPort#isEmpty()
	 */
	public synchronized boolean isEmpty() {
		return sendQueue.isEmpty();
	}

	/* (non-Javadoc)
	 * @see edu.tsinghua.lumaqq.qq.net.IPort#remove()
	 */
	public synchronized OutPacket remove() {
		return sendQueue.poll();
	}

    /* (non-Javadoc)
     * @see edu.tsinghua.lumaqq.qq.net.IPort#getNIOHandler()
     */
    public INIOHandler getNIOHandler() {
        return this;
    }

    /* (non-Javadoc)
     * @see edu.tsinghua.lumaqq.qq.net.INIOHandler#processError(java.lang.Exception)
     */
    public void processError(Exception e) {
        try {
            //log.debug("网络出错，关闭连接");
			System.err.println("网络出错，关闭连接");
            dispose();
        } catch (IOException e1) {
            //log.error("无法关闭当前连接");
			System.err.println("无法关闭当前连接");
        }

        QQEvent event = new QQEvent(e);
        event.type = QQEvent.QQ_NETWORK_ERROR;
        client.fireQQEvent(event);
    }

    /* (non-Javadoc)
     * @see edu.tsinghua.lumaqq.qq.net.IPort#getProxyAddress()
     */
    public InetSocketAddress getProxyAddress() {
        return proxyAddress;
    }

    /* (non-Javadoc)
     * @see edu.tsinghua.lumaqq.qq.net.IPort#getRemoteAddress()
     */
    public InetSocketAddress getRemoteAddress() {
        return remoteAddress;
    }
}