Server 入口程序，
仅一个类，其中 hsClientSocket 用来保存所有已经连上的客户端连接，以便实现转发.
SocketConnection这个类是封装了socket, 以便Client跟Sever都要用到的逻辑实现共用，
MessageReceivedHandler是个接口，传给SocketConnection, 以便让SocketConnection收到消息时做具体的事情， 且可以add多个Handler.
package coc.server;
import java.io.IOException;
import java.net.ServerSocket;
import java.net.Socket;
import java.util.Hashtable;
import coc.client.MessageReceivedHandler;
import coc.client.SocketConnection;
/**
* @author Stony Zhang
* @E-Mail stonyz@live.com
* @QQ 55279427
* @Createdate 2009-9-5
*
* @Copyright the author, If you want to use the code, you must keep the author's
* information.
*/
public class Server {
private int listeningPort = 6666; // TODO: the port should be configurable
ServerSocket myServer = null;
private Hashtable<String, SocketConnection> hsClientSocket = new Hashtable<String, SocketConnection>();
public void start() {
try {
myServer = new ServerSocket(listeningPort);
waitForConnect();
} catch (IOException e) {
System.out.println(e);
}
}
private void waitForConnect() {
class serverMSGHandler implements MessageReceivedHandler{
private SocketConnection sc;
public serverMSGHandler(SocketConnection sc){
this.sc=sc;
}
// @Override
public void Message_Recived(String message) {
if(message.startsWith("REGISTER:")){
//regiest the Client to Server
String linkNum=message.substring("REGISTER:".length());
hsClientSocket.put(linkNum, sc);
sc.setLinkNum(linkNum);
sc.sentMessage("Register succesfully");
}
else if(message.startsWith("MSGTO:")){
//get the to dest Node socket, which regestered in server.
String dest=message.substring("MSGTO:".length(),"MSGTO:".length()+3);
String msgContent=message.substring(9);
SocketConnection destsc = hsClientSocket.get(dest);
if(destsc==null){
sc.sentMessage("[From :Server ] " +"The Node " + dest + " didn't log in.") ;
return;
}
destsc.sentMessage("[From :" + sc.getLinkNum()+ "] " + msgContent);
}
else if(message.startsWith("DISCONNECT:")){
String linkNum=message.substring("DISCONNECT:".length());
this.sc.disconnect();
hsClientSocket.remove(linkNum);
}
}
}
while (!isStop) {
String clientIP = "";
try {
Socket sock = myServer.accept();
// clientIP = sock.getInetAddress().getHostAddress();
// if (checkIP(route, clientIP)) {
// System.out.println(" ransfer Server : " + "" + " Incoming:"
// + sock.getInetAddress());
// sock.setSoTimeout(0);
// connCounter++;
//
// Transfer myt = new Transfer(sock);
// connectionQueue.add(myt);
final SocketConnection sc=new SocketConnection(sock);
sc.addMSGReveivedHander(new serverMSGHandler(sc));
sc.start();
// } else {
// SysLog.warning(" ransfer Server : " + route.toString() +
// " Refuse :" + sock.getInetAddress());
// closeSocket(sock);
// }
} catch (Exception ef) {
// SysLog.severe(" Transfer Server : " + route.toString() +
// " accept error" + ef);
}
}
}
private boolean isStop = false;
//
/**
* @author Stony Zhang
* @date Feb 22, 2009
* @param args
*/
public static void main(String[] args) {
// TODO Auto-generated method stub
Server s = new Server();
s.start();
}
}
Client 入口程序
MainGUI .java, 界面类，不多解释，
package coc.client;
import java.io.IOException;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Group;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.MessageBox;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Text;
/**
* @author Stony Zhang
* @E-Mail stonyz@live.com
* @QQ 55279427
* @Createdate 2009-9-5
*
* @Copyright the author, If you want to use the code, you must keep the author's
* information.
*/
public class MainGUI {
private Text text_1;
private Text txt_output;
private Text txt_input;
private Text txtServerPort;
private Text txt_server;
private Text text;
protected Shell shell;
Client c=null;
/**
* Launch the application
* @param args
*/
public static void main(String[] args) {
try {
MainGUI window = new MainGUI();
window.open();
} catch (Exception e) {
e.printStackTrace();
}
}
/**
* Open the window
*/
public void open() {
final Display display = Display.getDefault();
createContents();
shell.open();
shell.layout();
while (!shell.isDisposed()) {
if (!display.readAndDispatch())
display.sleep();
}
c.disconnect();
}
/**
* Create contents of the window
*/
protected void createContents() {
shell = new Shell();
shell.setSize(367, 444);
shell.setText("My-Connect");
final Group connectGroup = new Group(shell, SWT.NONE);
connectGroup.setText("Connect");
connectGroup.setBounds(10, 10, 319, 66);
final Label serverIpLabel = new Label(connectGroup, SWT.NONE);
serverIpLabel.setText("Server IP :");
serverIpLabel.setBounds(10, 20, 59, 13);
txt_server = new Text(connectGroup, SWT.BORDER);
txt_server.setText("192.168.254.124");
txt_server.setBounds(80, 20, 95, 18);
final Label serverPortLabel = new Label(connectGroup, SWT.NONE);
serverPortLabel.setText("Server Port :");
serverPortLabel.setBounds(181, 20, 71, 18);
txtServerPort = new Text(connectGroup, SWT.BORDER);
txtServerPort.setText("6666");
txtServerPort.setBounds(252, 20, 49, 18);
final Label linkNumberLabel = new Label(connectGroup, SWT.NONE);
linkNumberLabel.setBounds(10, 40,69, 18);
linkNumberLabel.setText("Link Number :");
text = new Text(connectGroup, SWT.BORDER);
text.setBounds(80, 41,59, 18);
final Button connectButton = new Button(connectGroup, SWT.NONE);
connectButton.addSelectionListener(new SelectionAdapter() {
public void widgetSelected(final SelectionEvent e) {
if(connectButton.getText().equalsIgnoreCase("connect")){
String name=txt_server.getText().trim();
String port=txtServerPort.getText().trim();
String linkNum=text.getText().trim();
linkNum="000" + linkNum;
linkNum=linkNum.substring(linkNum.length()-3);
text.setText(linkNum);
c=new Client(name,port,linkNum);
c.connect(new MessageReceivedHandler(){
// @Override
public void Message_Recived(String message) {
updateSwtGui(message);
// //FIXME, auto replay
// StringBuffer msg=new StringBuffer();
// msg.append("MSGTO:").append("022");
// msg.append("Receieved, it's OK");
//
// try {
// c.sentMessage(msg.toString());
// } catch (IOException e) {
// // TODO Auto-generated catch block
// e.printStackTrace();
// }
//---------------------------
}
});
}else{
c.disconnect();
c=null;
}
if(connectButton.getText().equalsIgnoreCase("connect")){
connectButton.setText("disconnect");
}else{
connectButton.setText("connect");
}
}
});
connectButton.setText("Connect");
connectButton.setBounds(240, 40, 61, 23);
txt_input = new Text(shell, SWT.BORDER|SWT.MULTI | SWT.WRAP);
txt_input.setBounds(10, 104, 319, 92);
// txt_input.set
txt_output = new Text(shell, SWT.BORDER|SWT.MULTI | SWT.WRAP);
txt_output.setBounds(10, 224, 319, 164);
final Label inputLabel = new Label(shell, SWT.NONE);
inputLabel.setText("Send To :");
inputLabel.setBounds(10, 85, 46, 13);
final Label outputLabel = new Label(shell, SWT.NONE);
outputLabel.setText("Output :");
outputLabel.setBounds(10, 205, 46, 13);
final Label lbl_status = new Label(shell, SWT.NONE);
lbl_status.setBounds(10, 394, 319, 13);
text_1 = new Text(shell, SWT.BORDER);
text_1.setBounds(88, 82, 65, 16);
final Button sendButton = new Button(shell, SWT.NONE);
sendButton.addSelectionListener(new SelectionAdapter() {
public void widgetSelected(final SelectionEvent e) {
if (c == null) {
MessageBox messageBox = new MessageBox(shell, SWT.OK);
messageBox.setMessage("Please connect to server firstly");
if (messageBox.open() == SWT.OK) {
return;
}
}
String to=text_1.getText().trim();
StringBuffer msg=new StringBuffer();
msg.append("MSGTO:").append(to);
msg.append(txt_input.getText().trim());
try {
c.sentMessage(msg.toString());
} catch (IOException e1) {
e1.printStackTrace();
}
txt_input.setText("");
}
});
sendButton.setText("Send");
sendButton.setBounds(260, 80, 44, 23);
//
}
private synchronized void updateSwtGui(final String output) {
shell.getDisplay().asyncExec( // where "display" represents the swt gui
// thread accessed asynchronously
new Runnable() {
public void run() {
txt_output.append(output + "\n");
}
});
}
}
Client.java, 客户端业务类
package coc.client;
import java.io.IOException;
import java.net.InetAddress;
import java.net.Socket;
import java.net.UnknownHostException;
/**
* @author Stony Zhang
* @E-Mail stonyz@live.com
* @QQ 55279427
* @Createdate 2009-9-5
*
* @Copyright the author, If you want to use the code, you must keep the author's
* information.
*/
public class Client {
String name;
String ip;
String port;
String linkNum;
Socket socket = null;
// DataOutputStream os = null;
// DataInputStream is = null;
//TODO; server ip and port should be configurable.
String serverIP = "192.168.254.124";
int ServerPort=6666;
private MessageReceivedHandler defaultHandle = new MessageReceivedHandler(){
// @Override
public void Message_Recived(String message) {
// TODO Auto-generated method stub
String host="";
String linkNum="";
System.out.print("Recieve message from " + host + " linkNum =" + host + " : " + message);
}
};
public Client(String name,String port,String linkNum){
// this.name=name;
this.serverIP=name;
this.linkNum=linkNum;
this.port=port;
try {
InetAddress IPAddress = InetAddress.getByName("localhost");
this.ip=IPAddress.getHostAddress();
} catch (UnknownHostException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public String getIp() {
return ip;
}
public void setIp(String ip) {
this.ip = ip;
}
public String getPort() {
return port;
}
public void setPort(String port) {
this.port = port;
}
public void sentMessage(String msg) throws IOException{
sc.sentMessage(msg);
}
public String recieveMessage(){
return null;
}
public void connect(MessageReceivedHandler handle){
try {
socket = new Socket(this.serverIP, this.ServerPort);
sc = new SocketConnection(socket);
sc.addMSGReveivedHander(handle);
sc.start();
sc.sentMessage("REGISTER:" + this.linkNum);
// startListenMessage();
} catch (UnknownHostException e) {
System.err.println("Don't know about host: hostname");
} catch (IOException e) {
System.err
.println("Couldn't get I/O for the connection to: hostname");
}
}
public void disconnect(){
sc.sentMessage("DISCONNECT:");
sc.disconnect();
}
SocketConnection sc;
public static void main(String[] argv){
String name=argv[0];
String port=argv[1];
String linkNum=argv[2];
Client c=new Client(name,port,linkNum);
c.connect(c.defaultHandle);
try {
c.sentMessage("MSGTO:002 Are you ok?");
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}
MessageReceiverdHandler.java 传给 SocketConnection类的Handler,作用前面已经说了， 具体实现在Client.java, Server.java各有一个。
package coc.client;
/**
* @author Stony Zhang
* @E-Mail stonyz@live.com
* @QQ 55279427
* @Createdate 2009-9-5
*
* @Copyright the author, If you want to use the code, you must keep the author's
* information.
*/
public interface MessageReceivedHandler {
void Message_Recived(String message);
}
SocketConnection.java 封装socket, 扩展了一些功能。
package coc.client;
import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.IOException;
import java.net.Socket;
import java.util.ArrayList;
import java.util.List;
/**
* @author Stony Zhang
* @E-Mail stonyz@live.com
* @QQ 55279427
* @Createdate 2009-9-5
*
* @Copyright the author, If you want to use the code, you must keep the author's
* information.
*/
public class SocketConnection {
Socket socket = null;
DataOutputStream os = null;
DataInputStream is = null;
public SocketConnection(Socket socket){
this.socket=socket;
try {
os = new DataOutputStream(socket.getOutputStream());
is = new DataInputStream(socket.getInputStream());
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
public void start(){
startListenMessage();
}
class MessageReader{
List<MessageReceivedHandler> handlers=new ArrayList<MessageReceivedHandler>();
Thread t=new Thread(){
public void run(){
try {
String responseLine;
while ((responseLine = is.readLine()) != null) {
// System.out.println("Server: " + responseLine);
for (MessageReceivedHandler h : handlers) {
h.Message_Recived(responseLine);
}
if (responseLine.indexOf("Ok") != -1) {
break;
}
}
} catch (IOException e) {
e.printStackTrace();
}
System.out.print("Message Reader exit");
}
};
public void start(){
t.start();
}
public void addHander(MessageReceivedHandler Handle) {
handlers.add(Handle);
}
}
MessageReader reader=new MessageReader();
private void startListenMessage() {
// reader.addHander(this.defaultHandle);
reader.start();
}
public void addMSGReveivedHander(MessageReceivedHandler Handle){
reader.addHander(Handle);
}
public void sentMessage(String msg){
try {
os.writeBytes(msg + "\n");
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
private String linkNum="";
public void setLinkNum(String linkNum) {
this.linkNum=linkNum;
}
public String getLinkNum() {
return linkNum;
}
public void disconnect() {
try {
is.close();
os.close();
socket.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}
客户端运行如图，
002 说 Are you ok?
001 说 I'm fine Thank you!
完整 eclipse工程下载,下载..
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