chia7712 commented on a change in pull request #9850:
URL: https://github.com/apache/kafka/pull/9850#discussion_r555609088
##########
File path: core/src/main/scala/kafka/server/KafkaApis.scala
##########
@@ -3242,6 +3209,125 @@ class KafkaApis(val requestChannel: RequestChannel,
}
}
+ def handleEnvelope(request: RequestChannel.Request): Unit = {
+ val envelope = request.body[EnvelopeRequest]
+
+ if (!config.metadataQuorumEnabled ||
!request.context.fromPrivilegedListener) {
+ // If forwarding is not yet enabled or this request has been received on
an invalid endpoint,
+ // then we treat the request as unparsable and close the connection.
+ closeConnection(request, Collections.emptyMap())
+ return
+ } else if (!authorize(request.context, CLUSTER_ACTION, CLUSTER,
CLUSTER_NAME)) {
+ sendErrorResponseMaybeThrottle(request, new
ClusterAuthorizationException(
+ s"Principal ${request.context.principal} does not have required
CLUSTER_ACTION for envelope"))
+ return
+ } else if (!controller.isActive) {
+ sendErrorResponseMaybeThrottle(request, new NotControllerException(
+ s"Broker $brokerId is not the active controller"))
+ return
+ }
+
+ try {
+ val forwardedPrincipal = parseForwardedPrincipal(request)
+ val forwardedClientAddress =
parseForwardedClientAddress(envelope.clientAddress)
+
+ val forwardedRequestBuffer = envelope.requestData.duplicate()
+ val forwardedRequestHeader =
parseForwardedRequestHeader(forwardedRequestBuffer)
+
+ val forwardedApi = forwardedRequestHeader.apiKey
+ if (!forwardedApi.forwardable || !forwardedApi.isEnabled) {
+ throw new InvalidRequestException(s"API $forwardedApi is not enabled
or is not eligible for forwarding")
+ }
+
+ val forwardedContext = new RequestContext(
+ forwardedRequestHeader,
+ request.context.connectionId,
+ forwardedClientAddress,
+ forwardedPrincipal,
+ request.context.listenerName,
+ request.context.securityProtocol,
+ ClientInformation.EMPTY,
+ request.context.fromPrivilegedListener
+ )
+
+ val forwardedRequest = parseForwardedRequest(request, forwardedContext,
forwardedRequestBuffer)
+ handle(forwardedRequest)
+ } catch {
+ case e: KafkaException =>
Review comment:
Is this cache redundant? The ```handle```, which processing
```EnvelopeRequest```, can handle the exception.
----------------------------------------------------------------
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.
For queries about this service, please contact Infrastructure at:
us...@infra.apache.org
