hudson.remoting

Class PingThread

java.lang.Object

java.lang.Thread

hudson.remoting.PingThread

All Implemented Interfaces:

Runnable

public abstract class PingThread
extends Thread

Periodically perform a ping.

Useful when a connection needs to be kept alive by sending data, or when the disconnection is not properly detected.

onDead() method needs to be overrided to define what to do when a connection appears to be dead.

Since:

1.170

Author:

Kohsuke Kawaguchi

Nested Class Summary

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

Thread.State, Thread.UncaughtExceptionHandler

Field Summary

Fields inherited from class java.lang.Thread

MAX_PRIORITY, MIN_PRIORITY, NORM_PRIORITY

Constructor Summary

Constructors

Constructor and Description
PingThread(Channel channel)
PingThread(Channel channel, long interval)
PingThread(Channel channel, long timeout, long interval)

Method Summary

Methods

Modifier and Type	Method and Description
protected abstract void	onDead() Deprecated. as of 2.9 Override onDead(Throwable) to receive the cause, but also override this method and provide a fallback behaviour to be backward compatible with earlier version of remoting library.
protected void	onDead(Throwable diagnosis) Called when ping failed.
void	run()

Methods inherited from class java.lang.Thread

activeCount, checkAccess, clone, 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

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

Constructor Detail

PingThread

public PingThread(Channel channel,
          long timeout,
          long interval)

PingThread

public PingThread(Channel channel,
          long interval)

PingThread

public PingThread(Channel channel)

Method Detail

run

public void run()

Specified by:

run in interface Runnable

Overrides:

run in class Thread

onDead

protected abstract void onDead()

Deprecated. as of 2.9 Override onDead(Throwable) to receive the cause, but also override this method and provide a fallback behaviour to be backward compatible with earlier version of remoting library.

Called when ping failed.

onDead

protected void onDead(Throwable diagnosis)

Called when ping failed.

Since:

2.9