public void run() {
try {
isStarting = true;
synchronized (this) {
serverSocket = new ServerSocket(0);
this.port = serverSocket.getLocalPort();
setRunning(true);
isStarting = false;
this.notifyAll();
}
System.err.println("Child-process heartbeat server started on port: " + port);
while (true) {
Socket sock = serverSocket.accept();
log("Got heartbeat connection from client; starting heartbeat.");
synchronized (heartBeatThreads) {
HeartbeatThread hbt = new HeartbeatThread(sock);
heartBeatThreads.add(hbt);
hbt.start();
}
}
} catch (Exception e) {
if (!running) log("Heartbeat server was shutdown.");
else log("Got expcetion in heartbeat server: " + e.getMessage());
} finally {
setRunning(false);
log("Heartbeat server terminated.");
}
}
/**
* Starts the channel.
*
* @param svc int - what service to start
* @throws ChannelException Start error
* @see org.apache.catalina.tribes.Channel#start(int)
*/
@Override
public synchronized void start(int svc) throws ChannelException {
setupDefaultStack();
if (optionCheck) checkOptionFlags();
super.start(svc);
if (hbthread == null && heartbeat) {
hbthread = new HeartbeatThread(this, heartbeatSleeptime);
hbthread.start();
}
}
