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aisingioro

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[资源] 【原创】多线程端口扫描（Java）【已搜无重复】

最近复习Java，准备考试，写了个多线程端口扫描的小程序，请大家指教。
源代码如下：
===============================================
import java.io.*;
import java.net.*;
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
import java.util.*;

class scanPort extends Thread{
String host;
int startPort;
int endPort;
int tag;
display d;

volatile boolean runStatus;

scanPort(String h,int sp,int ep,int tg,display dis){
      super();
      host=h;
      startPort=sp;
      endPort=ep;
      tag=tg;
      d=dis;
      runStatus=true;
}
public synchronized void goRun()  {
try{
         runStatus=true;
         notify();
      // System.out.println("notify");
}catch(Exception e){
System.out.println(e.toString());
}
}

public synchronized void goWait() throws InterruptedException{
try{
         while (runStatus==false){
            wait();
         }
      }catch(Exception e){
System.out.println(e.toString());
}
}
public void  run(){
      for(int i=startPort;i<=endPort;i++){
         try{
            goWait();
            Socket s=new Socket(host,i);
            synchronized (d.jTextArea1){
                  d.jTextArea1.setText(d.jTextArea1.getText()+"Host:"+host.toString()+" Port: "+i+" is Opening."+tag+"线程"+"\n");
            }
         }
         catch(IOException  e){
            synchronized (d.jTextArea1){
                  d.jTextArea1.setText(d.jTextArea1.getText()+"Host:"+host.toString()+" Port: "+i+" is Closed."+tag+"线程"+"\n");
            }
         }
         catch(InterruptedException e){
            System.out.println(e.toString());
         }
      }
}
}
class display extends JFrame {

int threadNumber;
int start;
int end;
String host;
scanPort s[];
int status;

JButton jButton1;
JButton jButton2;
JButton jButton3;
JLabel jLabel1;
JLabel jLabel2;
JLabel jLabel3;
JLabel jLabel4;
JMenu jMenu1;
JMenuBar jMenuBar1;
JMenuItem jMenuItem1;
JScrollPane jScrollPane1;
JTextArea jTextArea1;
JTextField jTextField1;
JTextField jTextField2;
JTextField jTextField3;

selectThreadNumber se;

public display() {

         threadNumber=1;
         status=0;

         jButton1=new JButton("开始扫描");
         jButton2=new JButton("暂停扫描");
         jButton3=new JButton("停止扫描");
         jLabel1=new JLabel("请输入要扫描的IP地址：");
         jLabel2=new JLabel("开始端口：");
         jLabel3=new JLabel("结束端口：");

         jMenuBar1=new JMenuBar();
         jMenu1=new JMenu("设置");
         jMenuItem1=new JMenuItem("设置线程数:");
         jMenu1.add(jMenuItem1);
         jMenuBar1.add(jMenu1);

         jTextArea1=new JTextArea();
         jScrollPane1=new JScrollPane(jTextArea1);

         jTextField1=new JTextField();
         jTextField2=new JTextField("0");
         jTextField3=new JTextField("65535");

         this.add(jMenuBar1);
         this.add(jLabel1);
         this.add(jTextField1);
         this.add(jLabel2);
         this.add(jTextField2);
         this.add(jLabel3);
         this.add(jTextField3);
         this.add(jButton1);
         this.add(jButton2);
         this.add(jButton3);
         this.add(jScrollPane1);

         this.setLayout(null);
         jMenuBar1.setSize(300, 20);
         jMenuBar1.setLocation(0, 0);
         jLabel1.setSize(150, 20);
         jLabel1.setLocation(0,30);
         jTextField1.setSize(140, 20);
         jTextField1.setLocation(150,30);
         jLabel2.setSize(80,20);
         jLabel2.setLocation(0,60);
         jTextField2.setSize(60,20);
         jTextField2.setLocation(70,60);
         jLabel3.setSize(80,20);
         jLabel3.setLocation(150,60);
         jTextField3.setSize(60,20);
         jTextField3.setLocation(220,60);
         jButton1.setSize(90,20);
         jButton1.setLocation(5, 90);
         jButton2.setSize(90,20);
         jButton2.setLocation(100, 90);
         jButton3.setSize(90,20);
         jButton3.setLocation(195, 90);
         jScrollPane1.setSize(300,150);
         jScrollPane1.setLocation(0,120);

         jButton1.addActionListener(new ActionListener(){
            public void actionPerformed(ActionEvent e){
               jButton1ActionPerformed(e);
            }
         });

         jButton2.addActionListener(new ActionListener(){
            public void actionPerformed(ActionEvent e){
               jButton2ActionPerformed(e);
            }
         });

         jButton3.addActionListener(new ActionListener(){
            public void actionPerformed(ActionEvent e){
               jButton3ActionPerformed(e);
            }
         });

         jMenuItem1.addActionListener(new ActionListener(){
            public void actionPerformed(ActionEvent e){
               jMenuItem1ActionPerformed(e);
            }
         });
}

private void jButton1ActionPerformed(ActionEvent evt) {
      s=new scanPort[threadNumber];
      host=jTextField1.getText();
      end=Integer.parseInt(jTextField3.getText());
      start=Integer.parseInt(jTextField2.getText());
      int theNumberOfPort=end-start+1;
      int everyThread[][]=new int[threadNumber][2];
      for(int i=0;i          everyThread[0]=(theNumberOfPort/threadNumber)*i+start;
         if((everyThread[0]+theNumberOfPort/threadNumber-1)<=end){
            everyThread[1]=everyThread[0]+theNumberOfPort/threadNumber-1;
         }
         else{
            everyThread[1]=end;
         }
         s=new scanPort(host,everyThread[0],everyThread[1],i+1,this);
         s.start();
      }
}
private void jButton2ActionPerformed(ActionEvent evt) {
      if(status==0){
      jButton2.setText("继续扫描");
      status=1;
      for(int i=0;i             s.runStatus=false;
      }
   }
   else{
      jButton2.setText("暂停扫描");
      status=0;
      for(int i=0;i
            s.goRun();
      }
   }
  }
private void jButton3ActionPerformed(ActionEvent evt) {
      status=0;
      for(int i=0;i             s.stop();
      }
}

private void jMenuItem1ActionPerformed(ActionEvent evt){
      selectThreadNumber sel=new selectThreadNumber(this);
      sel.addWindowListener(new WindowAdapter(){
         public void widnowClosing(WindowEvent e){
            System.exit(0);
         }
      });
      sel.show();
}

public static void main(String args[]) {
   display dis=new display();
   dis.setTitle("PortScaner");
   dis.setSize(300, 300);
   dis.addWindowListener(new WindowAdapter(){
      public void windowClosing(WindowEvent e){
            System.exit(0);
      }
   });
   dis.show();
}
}

class selectThreadNumber extends JFrame{
      JComboBox numberOfThread;
      JLabel lb1;
      JButton btn1;
      JButton btn2;
      int thNum;
      display d;

      selectThreadNumber(display dis){
         d=dis;

         lb1=new JLabel("请选择线程数： ");
         btn1=new JButton("确定");
         btn2=new JButton("取消");

         numberOfThread=new JComboBox();
         numberOfThread.addItem("1");
         numberOfThread.addItem("2");
         numberOfThread.addItem("3");
         numberOfThread.addItem("4");
         numberOfThread.addItem("5");
         numberOfThread.addItem("6");
         numberOfThread.addItem("7");
         numberOfThread.addItem("8");
         numberOfThread.addItem("9");
         numberOfThread.addItem("10");
         numberOfThread.addItem("11");
         numberOfThread.addItem("12");
         numberOfThread.addItem("13");
         numberOfThread.addItem("14");
         numberOfThread.addItem("15");
         numberOfThread.addItem("16");

         this.setLayout(null);
         this.add(lb1);
         this.add(numberOfThread);
         this.add(btn1);
         this.add(btn2);
         lb1.setSize(150,20);
         lb1.setLocation(10,10);
         numberOfThread.setSize(100,20);
         numberOfThread.setLocation(170,10);
         btn1.setSize(70,20);
         btn1.setLocation(30,50);
         btn2.setSize(70,20);
         btn2.setLocation(180,50);
         this.setSize(300, 100);
         this.setTitle("Select thread number");

         btn1.addActionListener(new ActionListener(){
            public void actionPerformed(ActionEvent e){
               btn1ActionPerformed(e);
            }
         });


         btn2.addActionListener(new ActionListener(){
            public void actionPerformed(ActionEvent e){
               btn2ActionPerformed(e);
            }
         });
      }

      private void btn1ActionPerformed(ActionEvent evt){
         thNum=numberOfThread.getSelectedIndex()+1;
         this.setVisible(false);
         d.threadNumber=thNum;
      }
      private void btn2ActionPerformed(ActionEvent evt){
         this.dispose();
      }
}
===============================================
保存为scaner.java
jdk1.6.0编译通过并正确运行！

[ Last edited by bslt on 2009-4-14 at 18:00 ]

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