showuon commented on a change in pull request #9789:
URL: https://github.com/apache/kafka/pull/9789#discussion_r550064975
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File path: core/src/main/scala/kafka/network/SocketServer.scala
##########
@@ -988,60 +994,72 @@ private[kafka] class Processor(val id: Int,
}
}
+ private def isControlRequest(header: RequestHeader): Boolean = {
+ header.apiKey() match {
+ case ApiKeys.LEADER_AND_ISR | ApiKeys.STOP_REPLICA |
ApiKeys.UPDATE_METADATA | ApiKeys.CONTROLLED_SHUTDOWN => true
+ case _ => false
+ }
+ }
+
private def processCompletedReceives(): Unit = {
selector.completedReceives.forEach { receive =>
try {
openOrClosingChannel(receive.source) match {
case Some(channel) =>
val header = parseRequestHeader(receive.payload)
- if (header.apiKey == ApiKeys.SASL_HANDSHAKE &&
channel.maybeBeginServerReauthentication(receive,
- () => time.nanoseconds()))
- trace(s"Begin re-authentication: $channel")
- else {
- val nowNanos = time.nanoseconds()
- if (channel.serverAuthenticationSessionExpired(nowNanos)) {
- // be sure to decrease connection count and drop any in-flight
responses
- debug(s"Disconnecting expired channel: $channel : $header")
- close(channel.id)
- expiredConnectionsKilledCount.record(null, 1, 0)
- } else {
- val connectionId = receive.source
- val context = new RequestContext(header, connectionId,
channel.socketAddress,
- channel.principal, listenerName, securityProtocol,
- channel.channelMetadataRegistry.clientInformation,
isPrivilegedListener, channel.principalSerde)
-
- var req = new RequestChannel.Request(processor = id, context =
context,
- startTimeNanos = nowNanos, memoryPool, receive.payload,
requestChannel.metrics, None)
-
- if (req.header.apiKey == ApiKeys.ENVELOPE) {
- // Override the request context with the forwarded request
context.
- // The envelope's context will be preserved in the forwarded
context
-
- req = parseForwardedPrincipal(req,
channel.principalSerde.asScala) match {
- case Some(forwardedPrincipal) =>
- buildForwardedRequestContext(req, forwardedPrincipal)
-
- case None =>
- val envelopeResponse = new
EnvelopeResponse(Errors.PRINCIPAL_DESERIALIZATION_FAILURE)
- sendEnvelopeResponse(req, envelopeResponse)
- null
+ if (isControlPlane && !isControlRequest(header)) {
+ info(s"Current plane is control plan, disconnecting non
controller channel: $channel : $header")
Review comment:
typo: control plane
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