mdedetrich commented on code in PR #11478: URL: https://github.com/apache/kafka/pull/11478#discussion_r923495672
########## core/src/main/scala/kafka/utils/CoreUtils.scala: ########## @@ -252,16 +255,62 @@ object CoreUtils { listenerListToEndPoints(listeners, securityProtocolMap, true) } + def validateOneIsIpv4AndOtherIpv6(first: String, second: String): Boolean = + (inetAddressValidator.isValidInet4Address(first) && inetAddressValidator.isValidInet6Address(second)) || + (inetAddressValidator.isValidInet6Address(first) && inetAddressValidator.isValidInet4Address(second)) + + def checkDuplicateListenerNames(endpoints: Seq[EndPoint], listeners: String): Unit = { + val distinctListenerNames = endpoints.map(_.listenerName).distinct + require(distinctListenerNames.size == endpoints.size, s"Each listener must have a different name unless you have exactly " + + s"one listener on IPv4 and the other IPv6 on the same port, listeners: $listeners") + } + + def checkDuplicateListenerPorts(endpoints: Seq[EndPoint], listeners: String): Unit = { + val distinctPorts = endpoints.map(_.port).distinct + require(distinctPorts.size == endpoints.map(_.port).size, s"Each listener must have a different port, listeners: $listeners") + } + def listenerListToEndPoints(listeners: String, securityProtocolMap: Map[ListenerName, SecurityProtocol], requireDistinctPorts: Boolean): Seq[EndPoint] = { def validate(endPoints: Seq[EndPoint]): Unit = { - // filter port 0 for unit tests - val portsExcludingZero = endPoints.map(_.port).filter(_ != 0) - val distinctListenerNames = endPoints.map(_.listenerName).distinct - - require(distinctListenerNames.size == endPoints.size, s"Each listener must have a different name, listeners: $listeners") - if (requireDistinctPorts) { - val distinctPorts = portsExcludingZero.distinct - require(distinctPorts.size == portsExcludingZero.size, s"Each listener must have a different port, listeners: $listeners") + val (duplicatePorts, nonDuplicatePorts) = endPoints.filter { + ep => ep.port != 0 Review Comment: So @mimaison wanted to move it in a different part of the code (which I did in the `Move comment to area where logic is used` commit), what exactly do we wan't to do here? Personally I preferred the code comment where it was originally (i.e. on this line). -- 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. To unsubscribe, e-mail: jira-unsubscr...@kafka.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org