cmccabe commented on a change in pull request #10504:
URL: https://github.com/apache/kafka/pull/10504#discussion_r630587756
##########
File path: core/src/main/scala/kafka/controller/KafkaController.scala
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@@ -2376,6 +2375,82 @@ class KafkaController(val config: KafkaConfig,
}
}
+ def allocateProducerIds(allocateProducerIdsRequest:
AllocateProducerIdsRequestData,
+ callback: AllocateProducerIdsResponseData => Unit):
Unit = {
+
+ def eventManagerCallback(results: Either[Errors, ProducerIdsBlock]): Unit
= {
+ results match {
+ case Left(error) => callback.apply(new
AllocateProducerIdsResponseData().setErrorCode(error.code))
+ case Right(pidBlock) => callback.apply(
+ new AllocateProducerIdsResponseData()
+ .setProducerIdStart(pidBlock.producerIdStart())
+ .setProducerIdLen(pidBlock.producerIdLen()))
+ }
+ }
+ eventManager.put(AllocateProducerIds(allocateProducerIdsRequest.brokerId,
+ allocateProducerIdsRequest.brokerEpoch, eventManagerCallback))
+ }
+
+ def processAllocateProducerIds(brokerId: Int, brokerEpoch: Long, callback:
Either[Errors, ProducerIdsBlock] => Unit): Unit = {
+ // Handle a few short-circuits
+ if (!isActive) {
+ callback.apply(Left(Errors.NOT_CONTROLLER))
+ return
+ }
+
+ val brokerEpochOpt = controllerContext.liveBrokerIdAndEpochs.get(brokerId)
+ if (brokerEpochOpt.isEmpty) {
+ warn(s"Ignoring AllocateProducerIds due to unknown broker $brokerId")
+ callback.apply(Left(Errors.STALE_BROKER_EPOCH))
Review comment:
It seems like this should be BROKER_ID_NOT_REGISTERED
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