我有一个使用 jpcap 捕获网络 IP 地址的程序。但我收到这个错误
// 线程“main”中的异常 java.lang.UnsatisfiedLinkError: jpcap.JpcapCaptor.getDeviceList()[Ljpcap/NetworkInterface; 在 jpcap.JpcapCaptor.getDeviceList(Native Method) 在 example.Main.main(Main.java:25)//
我的程序
package example;
/**
*
* @author Administrator
*/
import java.net.Inet4Address;
import java.net.InetAddress;
import java.util.Arrays;
import java.io.IOException;
import java.io.*;
import java.util.Scanner;
import jpcap.*;
import jpcap.packet.*;
public class Main{
public static void main(String[] args) throws IOException{
//Obtain the list of network interfaces
NetworkInterface[] devices = JpcapCaptor.getDeviceList();
//for each network interface
for (int i = 0; i < devices.length; i++) {/ /print out its name and description
System.out.println(i+": "+devices[i].name + "(" + devices[i].description+")");
//print out its datalink name and description
System.out.println(" datalink: "+devices[i].datalink_name + "(" + devices[i].datalink_description+")");
//print out its MAC address
System.out.print(" MAC address:");
for (byte b : devices[i].mac_address)
System.out.print(Integer.toHexString(b&0xff) + ":");
System.out.println();
//print out its IP address, subnet mask and broadcast address
for (NetworkInterfaceAddress a : devices[i].addresses)
System.out.println(" address:"+a.address + " " + a.subnet + " "+ a.broadcast);
}
//NetworkInterface[] devices = JpcapCaptor.getDeviceList();
int index =1; // set index of the interface that you want to open.
//Open an interface with openDevice(NetworkInterface intrface, int snaplen, boolean promics, int to_ms)
final JpcapCaptor captor=JpcapCaptor.openDevice(devices[index], 65535, false, 20);
//JpcapCaptor captor=JpcapCaptor.openDevice(device[1], 65535, false, 20);
//call processPacket() to let Jpcap call PacketPrinter.receivePacket() for every packet capture.
//captor.processPacket(10,new PacketPrinter());
//System.out.println(packet);
//captor.close();
}
}