/** For SNMP Runtime internal use only. */
final void invokeOnResponse(Object resp) {
if (resp != null) {
if (resp instanceof SnmpPduRequestType) responsePdu = (SnmpPduRequestType) resp;
else return;
}
setRequestStatus(stReceivedReply);
queueResponse();
}
/** This method cancels an active inform request and removes it from the polling list. */
private void stopRequest() {
// Remove the clause synchronized of the stopRequest method.
// Synchronization is isolated as possible to avoid thread lock.
// Note: the method removeRequest from SendQ is synchronized.
// fix bug jaw.00392.B
//
synchronized (this) {
setRequestStatus(stAborted);
}
informSession.getSnmpQManager().removeRequest(this);
synchronized (this) {
requestId = 0;
}
}
/** Calls the user implementation of the <CODE>SnmpInformHandler</CODE> interface. */
private void handleInternalError(String msg) {
setRequestStatus(stInternalError);
if (reason == null) reason = msg;
if (SNMP_ADAPTOR_LOGGER.isLoggable(Level.FINEST)) {
SNMP_ADAPTOR_LOGGER.logp(
Level.FINEST,
SnmpInformRequest.class.getName(),
"handleInternalError",
"Snmp error/index = "
+ snmpErrorToString(errorStatus)
+ "/"
+ errorIndex
+ ". Invoking internal error user defined callback...\n"
+ getVarBindList());
}
deleteRequest();
notifyClient();
requestPdu = null;
responsePdu = null;
internalVarBind = null;
try {
if (callback != null) callback.processSnmpInternalError(this, reason);
} catch (Exception e) { // catch any exception a user might not handle.
if (SNMP_ADAPTOR_LOGGER.isLoggable(Level.FINEST)) {
SNMP_ADAPTOR_LOGGER.logp(
Level.FINEST,
SnmpInformRequest.class.getName(),
"handleInternalError",
"Exception generated by user callback",
e);
}
} catch (OutOfMemoryError ome) {
if (SNMP_ADAPTOR_LOGGER.isLoggable(Level.FINEST)) {
SNMP_ADAPTOR_LOGGER.logp(
Level.FINEST,
SnmpInformRequest.class.getName(),
"handleInternalError",
"OutOfMemory Error generated by user callback",
ome);
}
Thread.currentThread().yield();
}
}
/** For SNMP Runtime internal use only. */
final void setRequestSentTime(long sendtime) {
numTries++;
setPrevPollTime(sendtime);
waitTimeForResponse = prevPollTime + timeout * numTries;
setRequestStatus(stWaitingForReply);
if (SNMP_ADAPTOR_LOGGER.isLoggable(Level.FINER)) {
SNMP_ADAPTOR_LOGGER.logp(
Level.FINER,
SnmpInformRequest.class.getName(),
"setRequestSentTime",
"Inform request Successfully sent");
}
informSession.getSnmpQManager().addWaiting(this);
}
/** Calls the user implementation of the <CODE>SnmpInformHandler</CODE> interface. */
private void handleSuccess() {
setRequestStatus(stResultsAvailable);
if (SNMP_ADAPTOR_LOGGER.isLoggable(Level.FINER)) {
SNMP_ADAPTOR_LOGGER.logp(
Level.FINER,
SnmpInformRequest.class.getName(),
"handleSuccess",
"Invoking user defined callback...");
}
deleteRequest(); // delete only non-poll request.
notifyClient();
requestPdu = null;
// responsePdu = null;
internalVarBind = null;
try { // catch all user exception which may happen in callback.
if (callback != null)
callback.processSnmpPollData(this, errorStatus, errorIndex, getVarBindList());
} catch (Exception e) {
if (SNMP_ADAPTOR_LOGGER.isLoggable(Level.FINEST)) {
SNMP_ADAPTOR_LOGGER.logp(
Level.FINEST,
SnmpInformRequest.class.getName(),
"handleSuccess",
"Exception generated by user callback",
e);
}
} catch (OutOfMemoryError ome) {
if (SNMP_ADAPTOR_LOGGER.isLoggable(Level.FINEST)) {
SNMP_ADAPTOR_LOGGER.logp(
Level.FINEST,
SnmpInformRequest.class.getName(),
"handleSuccess",
"OutOfMemory Error generated by user callback",
ome);
}
Thread.currentThread().yield();
}
return;
}
/**
* This method creates a new request ID. The ID is submitted to the poll server for scheduling.
*/
private void schedulePoll() {
numTries = 0;
initNewRequest();
setRequestStatus(stWaitingToSend);
informSession.getSnmpQManager().addRequest(this);
}
