/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at legal-notices/CDDLv1_0.txt
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at legal-notices/CDDLv1_0.txt.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information:
* Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*
*
* Copyright 2008 Sun Microsystems, Inc.
* Portions Copyright 2011-2015 ForgeRock AS
*/
/**
* This thread publishes a {@link HeartbeatMsg} on a given protocol session at
* regular intervals when there are no other replication messages being
* published.
* <p>
* These heartbeat messages are sent by a replication server.
*/
{
/**
* For test purposes only to simulate loss of heartbeats.
*/
private static volatile boolean heartbeatsDisabled;
/**
* The session on which heartbeats are to be sent.
*/
/**
* The time in milliseconds between heartbeats.
*/
private final long heartbeatInterval;
/**
* Set this to stop the thread.
*/
private volatile boolean shutdown;
/**
* Create a heartbeat thread.
* @param threadName The name of the heartbeat thread.
* @param session The session on which heartbeats are to be sent.
* @param heartbeatInterval The desired interval between heartbeats in
* milliseconds.
*/
long heartbeatInterval)
{
super(threadName);
this.heartbeatInterval = heartbeatInterval;
}
/** {@inheritDoc} */
public void run()
{
try
{
if (logger.isTraceEnabled())
{
}
while (!shutdown)
{
if (logger.isTraceEnabled())
{
}
&& !heartbeatsDisabled)
{
if (logger.isTraceEnabled())
{
}
}
if (sleepTime <= 0)
{
}
if (logger.isTraceEnabled())
{
}
synchronized (shutdownLock)
{
if (!shutdown)
{
try
{
}
catch (InterruptedException e)
{
// Server shutdown monitor may interrupt slow threads.
logger.traceException(e);
shutdown = true;
}
}
}
}
}
catch (IOException e)
{
if (logger.isTraceEnabled())
{
}
}
finally
{
if (logger.isTraceEnabled())
{
}
}
}
/**
* Call this method to stop the thread.
* This method is blocking until the thread has stopped.
*/
public void shutdown()
{
synchronized (shutdownLock)
{
shutdown = true;
if (logger.isTraceEnabled())
{
}
}
if (logger.isTraceEnabled())
{
}
}
/**
* For testing purposes only to simulate loss of heartbeats.
* @param heartbeatsDisabled Set true to prevent heartbeats from being sent.
*/
{
}
}