monitoring2.txt

monitoring network in java. download it and monitor your network

import jpcap.JpcapHandler;
import jpcap.Jpcap;
import jpcap.Packet;

public class JpcapTip implements JpcapHandler {
public void handlePacket(Packet packet){
System.out.println(packet);
}

public static void main(String[] args) throws java.io.IOException{
String[] devices = Jpcap.getDeviceList();

for (int i = 0; i < devices.length; i++) {
System.out.println(devices);
}

String deviceName = devices[0];

Jpcap jpcap = Jpcap.openDevice(deviceName, 1028, false, 1);
jpcap.loopPacket(-1, new JpcapTip());
}
} 

Z:\Idea - Mini Projects\Packet Capture\Sample Program>set 

classpath=d:\orant\bin;C:\WINNT\system32;C:\WINNT;C:\WINNT\System32\Wbem;d:\masm;d:\j2sdk1.4.0\bin;
d:\cobol;d:\borland\bcc55\bin;;D:\jdk12\jre\lib\ext\jpcap.jar;D:\j2sdk1.4.0\jre\lib\ext\jpcap.jar;

Z:\Idea - Mini Projects\Packet Capture\Sample Program>javac JpcapTip.java

Z:\Idea - Mini Projects\Packet Capture\Sample Program>java JpcapTip

Exception in thread "main" java.lang.UnsatisfiedLinkError: no jpcap in java.library.path
at java.lang.ClassLoader.loadLibrary(ClassLoader.java:1410)
at java.lang.Runtime.loadLibrary0(Runtime.java:772)
at java.lang.System.loadLibrary(System.java:832)
at jpcap.Jpcap.(Jpcap.java:151)
at JpcapTip.main(JpcapTip.java:14)


*Exception in thread "main" java.lang.UnsatisfiedLinkError: getDeviceList
at jpcap.Jpcap.getDeviceList(Native Method)
at JSniff.main(JSniff.java:21)



renamed JpcapTip as JSniff