server.java

连接测试系统

	    		 return i;
	    	 } 
	     }
	     return -1;
	  }
	
	private void initGUI() {
		try {
			setDefaultCloseOperation(WindowConstants.DISPOSE_ON_CLOSE);
			this.setTitle("\u8054\u673a\u6d4b\u8bd5\u7cfb\u7edf\u670d\u52a1\u5668");
			getContentPane().setLayout(null);
			{
				serverMenuBar = new JMenuBar();
				setJMenuBar(serverMenuBar);
				{
					fileMenu = new JMenu();
					serverMenuBar.add(fileMenu);
					fileMenu.setText("\u6587\u4ef6");
					fileMenu.setPreferredSize(new java.awt.Dimension(33, 30));
					{
						startmenuitem = new JMenuItem();
						fileMenu.add(startmenuitem);
						startmenuitem.setText("\u542f\u52a8");
						startmenuitem.setBounds(0, 0, 27, 23);
						startmenuitem.addActionListener(new ActionListener() {
							public void actionPerformed(ActionEvent evt) {
								startbuttonActionPerformed(evt);
								startbutton.setEnabled(false);
								startmenuitem.setEnabled(false);
								stopbutton.setEnabled(true);
								stopmenuitem.setEnabled(true);
							}
						});
					}
					{
						stopmenuitem = new JMenuItem();
						fileMenu.add(stopmenuitem);
						stopmenuitem.setText("\u505c\u6b62");
						stopmenuitem.setBounds(0, 0, 27, 23);
						stopmenuitem.setEnabled(false);
						stopmenuitem.addActionListener(new ActionListener() {
							public void actionPerformed(ActionEvent evt) {
								stopbuttonActionPerformed(evt);
								startbutton.setEnabled(true);
								startmenuitem.setEnabled(true);
								stopbutton.setEnabled(false);
								stopmenuitem.setEnabled(false);
							}
						});
					}
					{
						exitmenuitem = new JMenuItem();
						fileMenu.add(exitmenuitem);
						exitmenuitem.setText("\u9000\u51fa");
						exitmenuitem.setBounds(0, 0, 27, 23);
						exitmenuitem.setName("exitmenuitem");
						exitmenuitem.addActionListener(new ActionListener() {
							public void actionPerformed(ActionEvent evt) {
								exitmenuitemActionPerformed(evt);
							}
						});
					}					
					
					helpmenu = new JMenu();
					serverMenuBar.add(helpmenu);
					helpmenu.setText("\u5e2e\u52a9");
					helpmenu.setBounds(27, 0, 27, 23);
					helpmenu.setPreferredSize(new java.awt.Dimension(33, 30));
					{
						aboutmenuitem = new JMenuItem();
						helpmenu.add(aboutmenuitem);
						aboutmenuitem.setText("关于");
						aboutmenuitem.setBounds(27, 0, 27, 23);
						aboutmenuitem.setName("aboutmenuitem");
					}
					
				}
			}
			{
				usersinfolabel = new JLabel();
				getContentPane().add(usersinfolabel);
				usersinfolabel.setText("\u5f53\u524d\u5728\u7ebf\u7528\u6237\u4fe1\u606f");
				usersinfolabel.setBounds(9, 35, 127, 15);
			}
			{				
				LogTextArea = new JTextArea();
				LogTextArea.setEditable(false);
				JScrollPane scrp=new JScrollPane(LogTextArea);
				getContentPane().add(scrp);
				scrp.setBounds(252, 53, 305, 203);
			}
			{
				loglabel = new JLabel();
				getContentPane().add(loglabel);
				loglabel.setText("\u65e5\u5fd7\u8bb0\u5f55");
				loglabel.setBounds(252, 31, 57, 21);
			}
			{
				oltsToolBar = new JToolBar();
				getContentPane().add(oltsToolBar);
				oltsToolBar.setBounds(0, 0, 100, 30);
				{
					startbutton=new JButton(new ImageIcon("images/start.png"));
					oltsToolBar.add(startbutton);
					startbutton.setToolTipText("\u542f\u52a8\u670d\u52a1\u5668");
					startbutton.addActionListener(new ActionListener() {
						public void actionPerformed(ActionEvent evt) {
							startbuttonActionPerformed(evt);
							startbutton.setEnabled(false);
							startmenuitem.setEnabled(false);
							stopbutton.setEnabled(true);
							stopmenuitem.setEnabled(true);
						}
					});
				}
				{
					stopbutton=new JButton(new ImageIcon("images/stop.png"));
					oltsToolBar.add(stopbutton);
					stopbutton.setEnabled(false);
					stopbutton.setToolTipText("\u5173\u95ed\u670d\u52a1\u5668");
					stopbutton.addActionListener(new ActionListener() {
						public void actionPerformed(ActionEvent evt) {
							stopbuttonActionPerformed(evt);
							startbutton.setEnabled(true);
							startmenuitem.setEnabled(true);
							stopbutton.setEnabled(false);
							stopmenuitem.setEnabled(false);
						}
					});
				}
				{
					helpbutton=new JButton(new ImageIcon("images/help.png"));
					oltsToolBar.add(helpbutton);
					helpbutton.setToolTipText("\u5e2e\u52a9");
					helpbutton.addActionListener(new ActionListener() {
						public void actionPerformed(ActionEvent evt) {
							helpbuttonActionPerformed(evt);
						}
					});
				}
			}
			{
				tableScrollPane = new JScrollPane();
				getContentPane().add(tableScrollPane);
				tableScrollPane.setBounds(12, 54, 220, 201);
				{
					model=new DefaultTableModel(){public boolean isCellEditable(int row,int col){return false;}};
					model.addColumn("用户名");
					model.addColumn("身份");
					ActiveClientInfoTable = new JTable(model);
					tableScrollPane.setViewportView(ActiveClientInfoTable);
					ActiveClientInfoTable.setBorder(new LineBorder(new java.awt.Color(0,0,0), 1, false));
				}
			}
			pack();
			this.setSize(565, 334);
			this.setResizable(false);
		} catch (Exception e) {
			e.printStackTrace();
		}
	}
	
	private void exitmenuitemActionPerformed(ActionEvent evt) {
		//向客户端发送断开连接信息	
	    sendClients(new StringBuffer("QUIT"));                   
		closeAll();//调用closeAll方法关闭所有连接                                               
		System.exit(0);
	}
	
	private void stopbuttonActionPerformed(ActionEvent evt) {
		//向客户端发送断开连接信息	
	    sendClients(new StringBuffer("QUIT"));                   
		closeAll();//调用closeAll方法关闭所有连接    
		WriteToLog("已经停止服务器...\n");
		System.out.println("已经停止服务器...\n");
	}
	
	private void helpbuttonActionPerformed(ActionEvent evt) {
		//向客户端发送断开连接信息	
	//    sendClients(new StringBuffer("QUIT"));                   
	//	closeAll();//调用closeAll方法关闭所有连接    
		WriteToLog("help...\n");
	}
	
	private void startbuttonActionPerformed(ActionEvent evt) {
		//System.out.println("startbutton.actionPerformed, event="+evt);
		//TODO add your code for startbutton.actionPerformed
		System.out.println("正在启动服务器...");
		WriteToLog("正在启动服务器...\n");
	    try
		   {
	    	if(server!=null&&!server.isClosed())
	    		server.close();
	    	server=new ServerSocket(5000);
	    	WriteToLog("服务器已经启动\n");  
	    	new ServerAcceptThread().start();
		}
		catch(IOException e)
		{
		    System.out.println("Error:"+e.getMessage());
		    WriteToLog("Error:"+e+"\n");
		}
	}
	
	class ServerAcceptThread extends Thread{
		public void run(){
			while(true)
			{
				if(server==null||server.isClosed())
					break;
			   //当客户数小于10个时开始连接
			    if(clients.size()<10)       
				   {
					    try
						   {
							    socket=server.accept();
							    if(socket!=null)
							    {
							    	//定义并实例化一个Client线程类，一个就对应一个客户连接
								    Client c=new Client(socket); 
								    clients.addElement(c);//加入clients数组中
							    	if(legalCheck(c))//调用checkName方法验证c的合法性
							    	{
							    		int index=usertablecontain(c);
							    		if(index==-1){
								    		c.send(new StringBuffer("LOGINSUCC"));
								    		model.addRow(new String[]{c.name,c.status});
								    		//在控制台打印客户连接信息	
										    WriteToLog(c.status+":"+c.name+"---连接\n");
										    c.start();//启动线程
							    		}
							    		else {
							    			c.send(new StringBuffer("ALREADYONLINE"));
							    			WriteToLog(c.status+":"+c.name+"---重复连接\n");
							    			socketdisconnect(c);
							    		}
							    	}
							    	else 
							    	{
							    		c.send(new StringBuffer("LOGINFAIL"));
							    		WriteToLog(c.status+":"+c.name+"---登录信息验证失败\n");
							    		socketdisconnect(c);
							    	}
							    }
						   }
							catch(IOException e)
							{
							 //   System.out.println("Error:"+e);
							 //   if(server!=null&&!server.isClosed())
							    	WriteToLog("Error:"+e+"\n");
							}		
									
				}
			}
		}
	}
}