ahuang98 commented on code in PR #22505:
URL: https://github.com/apache/kafka/pull/22505#discussion_r3389723267
##########
raft/src/main/java/org/apache/kafka/raft/KafkaRaftClient.java:
##########
@@ -2820,29 +2826,36 @@ private void handleRequest(RaftRequest.Inbound request,
long currentTimeMs) {
default -> throw new IllegalArgumentException("Unexpected request
type " + apiKey);
};
- responseFuture.whenComplete((response, exception) -> {
- ApiMessage message = response;
- if (message == null) {
- message = RaftUtil.errorResponse(apiKey,
Errors.forException(exception));
- }
+ responseStage.whenComplete((response, exception) -> {
+ var message = response == null ?
+ RaftUtil.errorResponse(apiKey, Errors.forException(exception))
:
+ response;
+
+ var raftResponse = new
RaftResponse.Outbound(request.correlationId(), message);
- RaftResponse.Outbound responseMessage = new
RaftResponse.Outbound(request.correlationId(), message);
- request.completion.complete(responseMessage);
- logger.trace("Sent response {} to inbound request {}",
responseMessage, request);
+ future.complete(raftResponse);
+ logger.trace("Sent response {} to inbound request {}",
raftResponse, request);
});
}
- private void handleInboundMessage(RaftMessage message, long currentTimeMs)
{
+ private void handleInboundMessage(
+ RaftMessage message,
+ CompletableFuture<RaftMessage> future,
+ long currentTimeMs
+ ) {
logger.trace("Received inbound message {}", message);
if (message instanceof RaftRequest.Inbound request) {
- handleRequest(request, currentTimeMs);
+ handleRequest(request, future, currentTimeMs);
} else if (message instanceof RaftResponse.Inbound response) {
if (requestManager.isResponseExpected(response.source(),
response.correlationId())) {
handleResponse(response, currentTimeMs);
} else {
logger.debug("Ignoring response {} since it is no longer
needed", response);
}
+ // Inboud response messages do not have an associated outbound
message. Nothing should
Review Comment:
sounds good
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