/**
* {@inheritDoc}
*
* <p>This method is invoked by the EventIpcManager when a new event is available for processing.
* Each message is examined for its Universal Event Identifier and the appropriate action is
* taking based on each UEI.
*/
public void onEvent(Event event) {
ThreadCategory log = ThreadCategory.getInstance(getClass());
String eventUei = event.getUei();
if (eventUei == null) {
log.warn("Received an unexpected event with a null UEI");
return;
}
if (log.isDebugEnabled()) {
log.debug("Received event: " + eventUei);
}
if (eventUei.equals(EventConstants.NODE_GAINED_INTERFACE_EVENT_UEI)
|| eventUei.equals(EventConstants.INTERFACE_REPARENTED_EVENT_UEI)) {
String action =
eventUei.equals(EventConstants.INTERFACE_REPARENTED_EVENT_UEI) ? "reparent" : "add";
if (Long.toString(event.getNodeid()) == null) {
log.warn("Not " + action + "ing interface to known node list: " + "nodeId is null");
} else if (event.getInterface() == null) {
log.warn("Not " + action + "ing interface to known node list: " + "interface is null");
} else {
m_trapdIpMgr.setNodeId(event.getInterface(), event.getNodeid());
if (log.isDebugEnabled()) {
log.debug(
"Successfully " + action + "ed " + event.getInterface() + " to known node list");
}
}
} else if (eventUei.equals(EventConstants.INTERFACE_DELETED_EVENT_UEI)) {
if (event.getInterface() != null) {
m_trapdIpMgr.removeNodeId(event.getInterface());
if (log.isDebugEnabled()) {
log.debug("Removed " + event.getInterface() + " from known node list");
}
}
} else {
log.warn("Received an unexpected event with UEI of \"" + eventUei + "\"");
}
}
/** onInit */
public synchronized void onInit() {
Assert.state(m_trapdIpMgr != null, "trapdIpMgr must be set");
Assert.state(m_eventReader != null, "eventReader must be set");
Assert.state(m_backlogQ != null, "backlogQ must be set");
Assert.state(m_snmpTrapAddress != null, "snmpTrapAddress must be set");
Assert.state(m_snmpTrapPort != null, "snmpTrapPort must be set");
Assert.state(m_processor != null, "processor must be set");
try {
m_trapdIpMgr.dataSourceSync();
} catch (final SQLException e) {
LogUtils.errorf(this, e, "init: Failed to load known IP address list");
throw new UndeclaredThrowableException(e);
}
try {
InetAddress address = getInetAddress();
LogUtils.infof(
this,
"Listening on %s:%d",
address == null ? "[all interfaces]" : InetAddressUtils.str(address),
getSnmpTrapPort());
SnmpUtils.registerForTraps(this, this, address, getSnmpTrapPort(), getSnmpV3Users());
m_registeredForTraps = true;
LogUtils.debugf(this, "init: Creating the trap session");
} catch (final IOException e) {
if (e instanceof java.net.BindException) {
managerLog()
.error(
"init: Failed to listen on SNMP trap port, perhaps something else is already listening?",
e);
LogUtils.errorf(
this,
e,
"init: Failed to listen on SNMP trap port, perhaps something else is already listening?");
} else {
LogUtils.errorf(this, e, "init: Failed to initialize SNMP trap socket");
}
throw new UndeclaredThrowableException(e);
}
try {
m_eventReader.open();
} catch (final Throwable e) {
LogUtils.errorf(this, e, "init: Failed to open event reader");
throw new UndeclaredThrowableException(e);
}
}
