jeffkbkim commented on code in PR #12845:
URL: https://github.com/apache/kafka/pull/12845#discussion_r1027051707
##########
core/src/main/scala/kafka/server/KafkaApis.scala:
##########
@@ -1647,69 +1656,51 @@ class KafkaApis(val requestChannel: RequestChannel,
}
}
- def handleJoinGroupRequest(request: RequestChannel.Request, requestLocal:
RequestLocal): Unit = {
- val joinGroupRequest = request.body[JoinGroupRequest]
+ private def makeGroupCoordinatorRequestContext(
+ request: RequestChannel.Request,
+ requestLocal: RequestLocal
+ ): GroupCoordinatorRequestContext = {
+ new GroupCoordinatorRequestContext(
+ request.context.header.data.requestApiVersion,
+ request.context.header.data.clientId,
+ request.context.clientAddress,
+ requestLocal.bufferSupplier
+ )
+ }
- // the callback for sending a join-group response
- def sendResponseCallback(joinResult: JoinGroupResult): Unit = {
- def createResponse(requestThrottleMs: Int): AbstractResponse = {
- val responseBody = new JoinGroupResponse(
- new JoinGroupResponseData()
- .setThrottleTimeMs(requestThrottleMs)
- .setErrorCode(joinResult.error.code)
- .setGenerationId(joinResult.generationId)
- .setProtocolType(joinResult.protocolType.orNull)
- .setProtocolName(joinResult.protocolName.orNull)
- .setLeader(joinResult.leaderId)
- .setSkipAssignment(joinResult.skipAssignment)
- .setMemberId(joinResult.memberId)
- .setMembers(joinResult.members.asJava),
- request.context.apiVersion
- )
+ def handleJoinGroupRequest(
+ request: RequestChannel.Request,
+ requestLocal: RequestLocal
+ ): CompletableFuture[Unit] = {
+ val joinGroupRequest = request.body[JoinGroupRequest]
- trace("Sending join group response %s for correlation id %d to client
%s."
- .format(responseBody, request.header.correlationId,
request.header.clientId))
- responseBody
- }
- requestHelper.sendResponseMaybeThrottle(request, createResponse)
+ def sendResponse(response: AbstractResponse): Unit = {
+ trace("Sending join group response %s for correlation id %d to client
%s."
+ .format(response, request.header.correlationId,
request.header.clientId))
+ requestHelper.sendResponseMaybeThrottle(request, requestThrottleMs => {
+ response.maybeSetThrottleTimeMs(requestThrottleMs)
+ response
+ })
}
if (joinGroupRequest.data.groupInstanceId != null &&
config.interBrokerProtocolVersion.isLessThan(IBP_2_3_IV0)) {
// Only enable static membership when IBP >= 2.3, because it is not safe
for the broker to use the static member logic
// until we are sure that all brokers support it. If static group being
loaded by an older coordinator, it will discard
// the group.instance.id field, so static members could accidentally
become "dynamic", which leads to wrong states.
- sendResponseCallback(JoinGroupResult(JoinGroupRequest.UNKNOWN_MEMBER_ID,
Errors.UNSUPPORTED_VERSION))
+
sendResponse(joinGroupRequest.getErrorResponse(Errors.UNSUPPORTED_VERSION.exception))
+ CompletableFuture.completedFuture[Unit](())
Review Comment:
got it. thanks for the clarification
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