cmccabe commented on code in PR #11969:
URL: https://github.com/apache/kafka/pull/11969#discussion_r865495994
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core/src/main/scala/kafka/network/SocketServer.scala:
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@@ -104,184 +103,141 @@ class SocketServer(val config: KafkaConfig,
private[this] val nextProcessorId: AtomicInteger = new AtomicInteger(0)
val connectionQuotas = new ConnectionQuotas(config, time, metrics)
- private var startedProcessingRequests = false
- private var stoppedProcessingRequests = false
- // Processors are now created by each Acceptor. However to preserve
compatibility, we need to number the processors
- // globally, so we keep the nextProcessorId counter in SocketServer
- def nextProcessorId(): Int = {
- nextProcessorId.getAndIncrement()
- }
+ /**
+ * A future which is completed once all the authorizer futures are complete.
+ */
+ private val allAuthorizerFuturesComplete = new CompletableFuture[Void]
/**
- * Starts the socket server and creates all the Acceptors and the
Processors. The Acceptors
- * start listening at this stage so that the bound port is known when this
method completes
- * even when ephemeral ports are used. Acceptors and Processors are started
if `startProcessingRequests`
- * is true. If not, acceptors and processors are only started when
[[kafka.network.SocketServer#startProcessingRequests()]]
- * is invoked. Delayed starting of acceptors and processors is used to delay
processing client
- * connections until server is fully initialized, e.g. to ensure that all
credentials have been
- * loaded before authentications are performed. Incoming connections on this
server are processed
- * when processors start up and invoke
[[org.apache.kafka.common.network.Selector#poll]].
- *
- * @param startProcessingRequests Flag indicating whether `Processor`s must
be started.
- * @param controlPlaneListener The control plane listener, or None if
there is none.
- * @param dataPlaneListeners The data plane listeners.
+ * True if the SocketServer is stopped. Must be accessed under the
SocketServer lock.
*/
- def startup(startProcessingRequests: Boolean = true,
- controlPlaneListener: Option[EndPoint] =
config.controlPlaneListener,
- dataPlaneListeners: Seq[EndPoint] = config.dataPlaneListeners):
Unit = {
- this.synchronized {
- createControlPlaneAcceptorAndProcessor(controlPlaneListener)
- createDataPlaneAcceptorsAndProcessors(dataPlaneListeners)
- if (startProcessingRequests) {
- this.startProcessingRequests()
- }
- }
+ private var stopped = false
+ // Socket server metrics
+ newGauge(s"${DataPlaneAcceptor.MetricPrefix}NetworkProcessorAvgIdlePercent",
() => SocketServer.this.synchronized {
Review Comment:
Yeah, it would be nice to avoid the synchronization. Filed KAFKA-13874 for
this.
Dynamic listeners really make this kind of thing hard, even though very few
people use them. :(
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