一个非常完善的基于Socket的多服务器通信框架

来源：互联网发布：正版linux 7.2 编辑：程序博客网时间：2024/05/21 12:58

一共4个文件

XServerReceiver : Socket接受处理XServer返回工具类 XServerReceiver充当服务器
XServerSender : Socket连接发送XServer服务器工具类 XServerSender充当客户端
ClientTest : 客户端测试程序
ServerTest : 服务端测试程序

XServerReceiver.java

import java.io.BufferedReader;import java.io.InputStream;import java.io.InputStreamReader;import java.io.OutputStream;import java.net.BindException;import java.net.ServerSocket;import java.net.Socket;import java.util.concurrent.ConcurrentLinkedQueue;class XServerReceiverThread extends Thread {    private Socket m_socket = null;    private InputStream m_input = null;    private OutputStream m_output = null;    private BufferedReader m_br = null;    private String m_clientHost = "";// 客户端的socket地址    public XServerReceiverThread(Socket socket) {        try {            this.m_socket = socket;            this.m_input = socket.getInputStream();            this.m_output = socket.getOutputStream();            this.m_br = new BufferedReader(new InputStreamReader(this.m_input, "UTF-8"));            this.m_clientHost = m_socket.getRemoteSocketAddress().toString();            this.m_clientHost = this.m_clientHost.substring(1);//因为m_clientHost为  /192.168.0.83:52177            this.m_socket.setSoTimeout(3000);            System.out.println("connection established from " + m_clientHost);        } catch (Exception ex) {            ex.printStackTrace();            closeHandles();        }    }    public void run() {        try {            while (true) {                String event = "";                while (true) {                    int one = this.m_br.read();                    if (one == -1) {                        closeHandles();                        break;                    }                    event += String.valueOf((char) one);                    if (one == '\1')// 一般消息尾部截止为一个不可见字符，这里假设为'\1'                    {                        XServerReceiver.PushEvent(event);                        break;                    }                }            }        } catch (Exception ex) {            ex.printStackTrace();            closeHandles();        }    }    private void closeHandles() {        System.out.println("connection closed from " + m_clientHost);        try {            if (this.m_br != null) {                this.m_br.close();                this.m_br = null;            }        } catch (Exception ex) {            ex.printStackTrace();        }        try {            if (this.m_input != null) {                this.m_input.close();                this.m_input = null;            }        } catch (Exception ex) {            ex.printStackTrace();        }        try {            if (this.m_output != null) {                this.m_output.close();                this.m_output = null;            }        } catch (Exception ex) {            ex.printStackTrace();        }        try {            if (this.m_socket != null) {                this.m_socket.close();                this.m_socket = null;            }        } catch (Exception ex) {            ex.printStackTrace();        }    }}class XServerListenThread extends Thread {    private ServerSocket server_socket = null;    private boolean m_pleaseWait = true;    public void run() {        while (true) {            try {                if (server_socket == null || server_socket.isClosed() || !server_socket.isBound()) {                    this.server_socket = new ServerSocket(5600);// XServer.TCP_PORT_FOR_OTHER_SERVER，这里假设为5600                    System.out.println("TCP Processor is listening on " + 5600);                    m_pleaseWait = false;                }                Socket socket = this.server_socket.accept();                XServerReceiverThread xt = new XServerReceiverThread(socket);                xt.start();            } catch (BindException bex) {                bex.printStackTrace();                try {                    sleep(5000);                } catch (Exception ex) {                    ex.printStackTrace();                }            } catch (Exception ex) {                ex.printStackTrace();            }        }    }    public void Wait() {        try {            while (m_pleaseWait)                Thread.sleep(10);        } catch (Exception ex) {            ex.printStackTrace();        }    }}class XServerHandlerThread extends Thread {    public void run() {        try {            while (true) {                String event = XServerReceiver.PopEvent();                if (event == null) {                    Thread.sleep(1000);                    continue;                }                EventHandler(event);// 处理消息事件                event = null;            }        } catch (Exception ex) {            ex.printStackTrace();        }    }    private void EventHandler(String event) {        System.out.println("Received event: " + event);    }}/** *  * Socket接受处理XServer返回工具类 * XServerReceiver充当服务器 *  * @author vhreal *  */public class XServerReceiver {    static private ConcurrentLinkedQueue<String> m_eventQueue = new ConcurrentLinkedQueue<String>();    static private XServerListenThread m_XServerListenThread = null;// 监听线程    static private XServerHandlerThread m_XServerHandlerThread = null;// 处理线程    static public void PushEvent(String event) {// 外部类调用XServerReceiver.PushEvent(event);        m_eventQueue.add(event);    }    static public String PopEvent() {// 外部类调用XServerReceiver.PopEvent(event);        if (m_eventQueue.size() == 0)            return null;        return m_eventQueue.remove();    }    static public void Start()// 外部类调用XServerReceiver.Start();    {        m_XServerListenThread = new XServerListenThread();        m_XServerListenThread.start();        m_XServerListenThread.Wait();        m_XServerHandlerThread = new XServerHandlerThread();        m_XServerHandlerThread.start();    }}

XServerSender .java

import java.io.BufferedReader;import java.io.InputStream;import java.io.InputStreamReader;import java.io.OutputStream;import java.net.InetSocketAddress;import java.net.Socket;import java.net.SocketAddress;import java.util.concurrent.ConcurrentLinkedQueue;class XServerSenderThread extends Thread {    private Socket m_socket = null;    private OutputStream m_output = null;    private InputStream m_input = null;    private InputStreamReader m_isr = null;    private BufferedReader m_br = null;    private ConcurrentLinkedQueue<String> m_Events = new ConcurrentLinkedQueue<String>();    private String m_ServerHost = "192.168.0.83";    private int m_ServerPort = 5600;    public void run() {        long lastkeepalive = 0;        long now = 0;        while (true) {            try {                if (m_socket == null || m_socket.isClosed()) {                    Connect2XServer();                    continue;                }                now = System.currentTimeMillis() / 1000;                if (now - lastkeepalive > 2)// 2s发一次心跳                {                    RequestKeepAlive();                    lastkeepalive = now;                }                String event = PopEvent();                if (event == null) {                    Thread.sleep(1000);                    continue;                }                SendEvent2XServer(event);                event = null;            } catch (Exception ex) {                ex.printStackTrace();            }        }    }    public void PushEvent(String event) {        m_Events.add(event);    }    private String PopEvent() {        if (m_Events.size() == 0)            return null;        return m_Events.remove();    }    private boolean SendEvent2XServer(String event) {        try {            m_output.write(event.getBytes());            m_output.flush();            return true;        } catch (Exception ex) {            closeHandles();            return false;        }    }    private boolean RequestKeepAlive() {        try {            String json = String                    .format("{\"AttributeTimeinSecs\":\"%d\",\"AttributeEventName\":\"EventKeepAlive\"}",                            System.currentTimeMillis() / 1000);            m_output.write(json.getBytes());            m_output.flush();            return true;        } catch (Exception ex) {            closeHandles();            return false;        }    }    private boolean Connect2XServer() {        try {            System.out.println("connecting to XServer");            SocketAddress endpoint = new InetSocketAddress(m_ServerHost, m_ServerPort);// XServer的Ip和端口号            m_socket = new Socket();            m_socket.setSoTimeout(3000);// 3s网络超时            m_socket.connect(endpoint);            m_output = m_socket.getOutputStream();            m_input = m_socket.getInputStream();            m_isr = new InputStreamReader(m_input, "UTF-8");            m_br = new BufferedReader(m_isr);            System.out.println("connected to XServer");            return true;        } catch (Exception ex) {            ex.printStackTrace();            closeHandles();        }        return false;    }    private void closeHandles() {        try {            if (m_isr != null) {                m_isr.close();                m_isr = null;            }        } catch (Exception ex) {            ex.printStackTrace();        }        try {            if (m_br != null) {                m_br.close();                m_br = null;            }        } catch (Exception ex) {            ex.printStackTrace();        }        try {            if (m_input != null) {                m_input.close();                m_input = null;            }        } catch (Exception ex) {            ex.printStackTrace();        }        try {            if (m_output != null) {                m_output.close();                m_output = null;            }        } catch (Exception ex) {            ex.printStackTrace();        }        try {            if (m_socket != null) {                m_socket.close();                m_socket = null;            }        } catch (Exception ex) {            ex.printStackTrace();        }        try {            Thread.sleep(1000);        } catch (Exception ex) {            ex.printStackTrace();        }    }}/** *  * Socket连接发送XServer服务器工具类 XServerSender充当客户端 *  * @author vhreal *  */public class XServerSender {    static private XServerSenderThread m_SenderThread = null;    static public void Start() {// 外部类调用XServerSender.Start();        try {            m_SenderThread = new XServerSenderThread();            m_SenderThread.start();        } catch (Exception ex) {            ex.printStackTrace();        }    }    static public void SendEvent2XServer(String event) {// 外部类调用XServerSender.SendEvent2XServer(event);        if (m_SenderThread != null) {            m_SenderThread.PushEvent(event);        }    }}

ClientTest.java

public class ClientTest {    public static void main(String[] args) {        XServerSender.Start();        XClientThread xc = new XClientThread();        xc.start();         }}class XClientThread extends Thread {    public void run() {        try {            while (true) {                String s = String.format("hello,Xsever!\1");                XServerSender.SendEvent2XServer(s);            }        } catch (Exception ex) {            ex.printStackTrace();        }    }}

ServerTest.java

public class ServerTest {    public static void main(String[] args) {        XServerReceiver.Start();    }}

测试结果
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