agingade commented on a change in pull request #6835:
URL: https://github.com/apache/geode/pull/6835#discussion_r710370495
##########
File path:
geode-core/src/main/java/org/apache/geode/internal/cache/tier/sockets/MessageDispatcher.java
##########
@@ -362,31 +387,67 @@ protected void runDispatcher() {
}
waitForResumption();
}
- try {
- clientMessage = (ClientMessage) _messageQueue.peek();
- } catch (RegionDestroyedException skipped) {
- break;
+
+ // if message is not delivered due to authentication expiation, this
clientMessage
+ // would not be null.
+ if (clientMessage == null) {
+ try {
+ clientMessage = (ClientMessage) _messageQueue.peek();
+ } catch (RegionDestroyedException skipped) {
+ break;
+ }
}
+
getStatistics().setQueueSize(_messageQueue.size());
if (isStopped()) {
break;
}
- if (clientMessage != null) {
- // Process the message
- long start = getStatistics().startTime();
- //// BUGFIX for BUG#38206 and BUG#37791
- boolean isDispatched = dispatchMessage(clientMessage);
- getStatistics().endMessage(start);
- if (isDispatched) {
+
+ if (clientMessage == null) {
+ _messageQueue.remove();
+ continue;
+ }
+
+ // Process the message
+ long start = getStatistics().startTime();
+ try {
+ if (dispatchMessage(clientMessage)) {
+ getStatistics().endMessage(start);
_messageQueue.remove();
if (clientMessage instanceof ClientMarkerMessageImpl) {
getProxy().setMarkerEnqueued(false);
}
}
- } else {
+ clientMessage = null;
+ wait_for_re_auth_start_time = -1;
+ } catch (NotAuthorizedException notAuthorized) {
+ // behave as if the message is dispatched, remove from the queue
+ logger.info("skip delivering message: " + clientMessage,
notAuthorized);
_messageQueue.remove();
+ clientMessage = null;
+ } catch (AuthenticationExpiredException expired) {
+ if (wait_for_re_auth_start_time == -1) {
+ wait_for_re_auth_start_time = System.currentTimeMillis();
+ // only send the message to clients who can handle the message
+ if
(getProxy().getVersion().isNewerThanOrEqualTo(RE_AUTHENTICATION_START_VERSION))
{
+ EventID eventId = createEventId();
+ sendMessageDirectly(new ClientReAuthenticateMessage(eventId));
+ }
+ // for older client, we still wait, just in case client will
perform some operations to
+ // trigger credential refresh on its own.
+ Thread.sleep(200);
+ } else {
+ long elapsedTime = System.currentTimeMillis() -
wait_for_re_auth_start_time;
+ if (elapsedTime > reAuthenticateWaitTime) {
+ logger.warn("Client did not re-authenticate back successfully in
" + elapsedTime
+ + "ms. Unregister this client proxy.");
+ pauseOrUnregisterProxy(expired);
+ } else {
+ Thread.sleep(200);
Review comment:
Can the sleep be replaced with wait/notify?
Here it is expecting client to do a re-auth...Can a wait be done for re-auth
to happen from client and then notify this wait when re-auth is received from
client (from the re-auth command handling code).
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