TaiJuWu commented on code in PR #20567:
URL: https://github.com/apache/kafka/pull/20567#discussion_r2392661028
##########
server/src/main/java/org/apache/kafka/server/config/AbstractKafkaConfig.java:
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@@ -161,6 +169,76 @@ public static Map<String, String> getMap(String propName,
String propValue) {
}
}
+ public static List<Endpoint> listenerListToEndPoints(List<String>
listeners, Map<ListenerName, SecurityProtocol> securityProtocolMap) {
+ return listenerListToEndPoints(listeners, securityProtocolMap, true);
+ }
+
+ public static List<Endpoint> listenerListToEndPoints(List<String>
listeners, Map<ListenerName, SecurityProtocol> securityProtocolMap, boolean
requireDistinctPorts) {
+ List<Endpoint> endPoints;
+ try {
+ endPoints = SocketServerConfigs.listenerListToEndPoints(listeners,
securityProtocolMap);
+ } catch (Exception e) {
+ throw new IllegalArgumentException(String.format("Error creating
broker listeners from '%s': %s", listeners, e.getMessage()), e);
+ }
+ validate(endPoints, listeners, requireDistinctPorts);
+ return endPoints;
+ }
+
+ private static void validate(List<Endpoint> endPoints, List<String>
listeners, boolean requireDistinctPorts) {
+ long distinctListenerNames =
endPoints.stream().map(Endpoint::listener).distinct().count();
+ if (distinctListenerNames != endPoints.size()) {
+ throw new IllegalArgumentException("Each listener must have a
different name, listeners: " + listeners);
+ }
+
+ if (!requireDistinctPorts) return;
+
+ Map<Integer, List<Endpoint>> duplicatePorts = endPoints.stream()
+ .filter(ep -> ep.port() != 0) // filter port 0 for unit tests
+ .collect(Collectors.groupingBy(Endpoint::port))
+ .entrySet().stream()
+ .filter(entry -> entry.getValue().size() > 1)
+ .collect(Collectors.toMap(Map.Entry::getKey,
Map.Entry::getValue));
Review Comment:
fixed.
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