/**
* Stops the currently running service. If the service is not running then the command is silently
* discarded.
*/
public synchronized void onStop() {
m_status = STOP_PENDING;
// shutdown and wait on the background processing thread to exit.
LogUtils.debugf(this, "stop: closing communication paths.");
try {
if (m_registeredForTraps) {
LogUtils.debugf(this, "stop: Closing SNMP trap session.");
SnmpUtils.unregisterForTraps(this, getInetAddress(), getSnmpTrapPort());
LogUtils.debugf(this, "stop: SNMP trap session closed.");
} else {
LogUtils.debugf(
this, "stop: not attemping to closing SNMP trap session--it was never opened");
}
} catch (final IOException e) {
LogUtils.warnf(this, e, "stop: exception occurred closing session");
} catch (final IllegalStateException e) {
LogUtils.debugf(this, e, "stop: The SNMP session was already closed");
}
LogUtils.debugf(this, "stop: Stopping queue processor.");
m_processor.stop();
m_eventReader.close();
m_status = STOPPED;
LogUtils.debugf(this, "stop: Trapd stopped");
}
/**
* Create the SNMP trap session and create the communication channel to communicate with eventd.
*
* @exception java.lang.reflect.UndeclaredThrowableException if an unexpected database, or IO
* exception occurs.
* @see org.opennms.protocols.snmp.SnmpTrapSession
* @see org.opennms.protocols.snmp.SnmpTrapHandler
*/
public synchronized void onStart() {
m_status = STARTING;
LogUtils.debugf(this, "start: Initializing the trapd config factory");
m_processor.start();
m_status = RUNNING;
LogUtils.debugf(this, "start: Trapd ready to receive traps");
}
/** Resumes Trapd */
public void onResume() {
if (m_status != PAUSED) {
return;
}
m_status = RESUME_PENDING;
LogUtils.debugf(this, "resume: Calling resume on processor");
m_processor.resume();
m_status = RUNNING;
LogUtils.debugf(this, "resume: Trapd resumed");
}
/** Pauses Trapd */
public void onPause() {
if (m_status != RUNNING) {
return;
}
m_status = PAUSE_PENDING;
LogUtils.debugf(this, "pause: Calling pause on processor");
m_processor.pause();
m_status = PAUSED;
LogUtils.debugf(this, "pause: Trapd paused");
}
