ostore.network
Class PingStage

java.lang.Object
  |
  +--ostore.network.PingStage

All Implemented Interfaces:

EventHandlerIF

public class PingStage

extends Object

implements EventHandlerIF

Allows a SandStorm stage to ping a machine by hostname and not block. Enqueue a PingReq and wait for a PingSuccess or PingFailure in response.

Version:

$Id: PingStage.java,v 1.2 2002/11/18 23:39:38 srhea Exp $

Author:

Sean C. Rhea

Nested Class Summary

protected static class	PingStage.Alarm
static class	PingStage.PingFailure
static class	PingStage.PingReq
static class	PingStage.PingSuccess
static class	PingStage.TestHarness

Field Summary

protected SinkIF	sink
protected Set	timeouts
protected ssTimer	timer

Constructor Summary

PingStage()

Method Summary

void	destroy()
protected void	enqueue(SinkIF sink, QueueElementIF item)
protected void	error(PingStage.PingReq req)
void	handleEvent(QueueElementIF item)
void	handleEvents(QueueElementIF[] element_array)
void	init(ConfigDataIF config)

Methods inherited from class java.lang.Object

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

Field Detail

timeouts

protected Set timeouts

timer

protected ssTimer timer

sink

protected SinkIF sink

Constructor Detail

PingStage

public PingStage()

Method Detail

init

public void init(ConfigDataIF config)
          throws Exception

Specified by:

init in interface EventHandlerIF

Exception

destroy

public void destroy()

Specified by:

destroy in interface EventHandlerIF

handleEvents

public void handleEvents(QueueElementIF[] element_array)
                  throws EventHandlerException

Specified by:

handleEvents in interface EventHandlerIF

EventHandlerException

error

protected void error(PingStage.PingReq req)

handleEvent

public void handleEvent(QueueElementIF item)
                 throws EventHandlerException

Specified by:

handleEvent in interface EventHandlerIF

EventHandlerException

enqueue

protected void enqueue(SinkIF sink,
                       QueueElementIF item)