net.clackrouter.application
Class Ping

java.lang.Object
  java.lang.Thread
      net.clackrouter.application.ClackApplication
          net.clackrouter.application.Ping

All Implemented Interfaces:

java.lang.Runnable, ICMPListener, Alarm

public class Ping
extends ClackApplication
implements ICMPListener

A simplified version of the "ping" command to send ICMP echo requests to a remote host.

Nested Class Summary

Nested classes/interfaces inherited from class java.lang.Thread

java.lang.Thread.State, java.lang.Thread.UncaughtExceptionHandler

Field Summary

static int

SLEEP_TIME_MSEC

Fields inherited from class java.lang.Thread

MAX_PRIORITY, MIN_PRIORITY, NORM_PRIORITY

Constructor Summary

Ping()

Method Summary

void	application_main(java.lang.String[] args) Abstract "main method" to be implemented by sub-class
java.lang.String	getDescription() Returns a very brief (single line) description of the application
void	receivedEchoReply(int id, int seq)
void	receivedEchoRequest(int id, int seq)

Methods inherited from class net.clackrouter.application.ClackApplication

alert, configure, createTCPSocket, createUDPSocket, getAppName, getRouter, getTime, notifyAlarm, pause, print, run, setAlarm, setShell

Methods inherited from class java.lang.Thread

activeCount, checkAccess, countStackFrames, currentThread, destroy, dumpStack, enumerate, getAllStackTraces, getContextClassLoader, getDefaultUncaughtExceptionHandler, getId, getName, getPriority, getStackTrace, getState, getThreadGroup, getUncaughtExceptionHandler, holdsLock, interrupt, interrupted, isAlive, isDaemon, isInterrupted, join, join, join, resume, setContextClassLoader, setDaemon, setDefaultUncaughtExceptionHandler, setName, setPriority, setUncaughtExceptionHandler, sleep, sleep, start, stop, stop, suspend, toString, yield

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

SLEEP_TIME_MSEC

public static int SLEEP_TIME_MSEC

Constructor Detail

Ping

public Ping()

Method Detail

application_main

public void application_main(java.lang.String[] args)
                      throws java.lang.InterruptedException

Description copied from class: ClackApplication

Abstract "main method" to be implemented by sub-class

Specified by:

application_main in class ClackApplication

Parameters:

args - the application arguments

Throws:

java.lang.InterruptedException

receivedEchoReply

public void receivedEchoReply(int id,
                              int seq)

Specified by:

receivedEchoReply in interface ICMPListener

receivedEchoRequest

public void receivedEchoRequest(int id,
                                int seq)

Specified by:

receivedEchoRequest in interface ICMPListener

getDescription

public java.lang.String getDescription()

Description copied from class: ClackApplication

Returns a very brief (single line) description of the application

Specified by:

getDescription in class ClackApplication