PacketCapture2

gistfile1.java

package combotest;

import jpcap.JpcapCaptor;
import jpcap.NetworkInterface;
import jpcap.NetworkInterfaceAddress;
import jpcap.PacketReceiver;
import jpcap.packet.Packet;

import javax.swing.*;
import java.awt.*;
import java.awt.event.ItemEvent;
import java.awt.event.ItemListener;

/**
 * Created by IntelliJ IDEA.
 * User: white
 * Date: 11/01/28
 * Time: 8:03
 * To change this template use File | Settings | File Templates.
 */
public class ComboBoxD extends JFrame implements ItemListener,PacketReceiver {
    DefaultComboBoxModel model;
    JComboBox combo;
    static JTextArea area,area2,area3;

    public static void main(String args []){
        ComboBoxD frame = new ComboBoxD();
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        frame.setBounds(10,10,400,200);
        frame.setTitle("Title");
        frame.setVisible(true);
    }
    ComboBoxD(){
        NetworkInterface device[] = JpcapCaptor.getDeviceList();{
            String deviceName [] = new String[device.length];
            for(int i=0;i<device.length;i++){
                deviceName[i]=(i +":  "+ device[i].description);
            }
                model = new DefaultComboBoxModel(deviceName);
                combo = new JComboBox(model);
                combo.setPreferredSize(new Dimension(300,30));
                combo.addItemListener(this);

                JPanel p = new JPanel();
                p.add(new JLabel("DeviceList"));
                p.add(combo);

                area3 = new JTextArea(10,10);
                JScrollPane sp = new JScrollPane(area3);

                area = new JTextArea();
                area2 = new JTextArea(1,1);

                JPanel pArea = new JPanel();
                pArea.add(area2);
                pArea.add(sp);
                getContentPane().add(p, BorderLayout.SOUTH);
                getContentPane().add(pArea,BorderLayout.NORTH);
            }
        }

    public void itemStateChanged(ItemEvent e) {//ComboBoxからのイベント
        if(e.getStateChange() == ItemEvent.SELECTED){
            int index = combo.getSelectedIndex();//選択したコンボボックスの番号を表示
            area.setText(String.valueOf(Integer.parseInt(String.valueOf(index))));//areaに番号を書き込む

            devices();//areaから番号を受け、デバイス情報の表記

            Thread thread = new Thread(){
                public void run(){
                    try{
                    cap(new String[]{area.getText()});
                    }catch(Exception ex){
                    ex.printStackTrace();
                    }
                }
            }; thread.start();
        }
    }
    public static void cap(String [] args)  throws Exception {//選択されたデバイスからのパケットを受け取る
        NetworkInterface[] devices = JpcapCaptor.getDeviceList();
            JpcapCaptor jpcap = JpcapCaptor.openDevice(devices[Integer.parseInt(area.getText())], 2000, false, 20);
            jpcap.loopPacket(-1, new ComboBoxD());
    }

    public void receivePacket(Packet packet) {//流れているパケットをSystemOutする
            area3.append(packet.toString());
	    System.out.println(packet);
	}

    public void devices()  { //選択したデバイス情報を表示
		NetworkInterface[] devices = JpcapCaptor.getDeviceList(); {
	        area2.append(devices[Integer.parseInt(area.getText())].description);
            for (NetworkInterfaceAddress a : devices[Integer.parseInt(area.getText())].addresses){
		    area2.append("\nIPアドレス:　" + a.address + "\nサブネットマスク:" + a.subnet + "\nブロードキャストアドレス:"
                    + a.broadcast + "\n");
            }
        }
    }
}