zentol commented on code in PR #24292:
URL: https://github.com/apache/flink/pull/24292#discussion_r1489259263
##########
flink-rpc/flink-rpc-core/src/main/java/org/apache/flink/runtime/rpc/RpcGateway.java:
##########
@@ -34,4 +34,16 @@ public interface RpcGateway {
* @return Fully qualified hostname under which the associated rpc
endpoint is reachable
*/
String getHostname();
+
+ /**
+ * Perform optional steps before handling any messages or performing
service actions (e.g.
+ * start/stop).
+ */
+ default void beforeInvocation() {}
Review Comment:
yes, (if this is handled in the PekkoRpcActor). Although maybe not runnables
but just a Map<String, String>? Not sure if we _really_ want to open us up to
running arbitrary things before/after just yet 🤔
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