Github user hanm commented on a diff in the pull request:
https://github.com/apache/zookeeper/pull/195#discussion_r106797306
--- Diff:
src/java/main/org/apache/zookeeper/server/quorum/QuorumZooKeeperServer.java ---
@@ -62,18 +64,40 @@ public Request checkUpgradeSession(Request request)
// This is called by the request processor thread (either follower
// or observer request processor), which is unique to a learner.
// So will not be called concurrently by two threads.
- if (request.type != OpCode.create ||
+ if ((request.type != OpCode.create && request.type !=
OpCode.create2 && request.type != OpCode.multi) ||
!upgradeableSessionTracker.isLocalSession(request.sessionId)) {
return null;
}
- CreateRequest createRequest = new CreateRequest();
- request.request.rewind();
- ByteBufferInputStream.byteBuffer2Record(request.request,
createRequest);
- request.request.rewind();
- CreateMode createMode =
CreateMode.fromFlag(createRequest.getFlags());
- if (!createMode.isEphemeral()) {
- return null;
+
+ if (OpCode.multi == request.type) {
+ MultiTransactionRecord multiTransactionRecord = new
MultiTransactionRecord();
+ request.request.rewind();
+ ByteBufferInputStream.byteBuffer2Record(request.request,
multiTransactionRecord);
+ request.request.rewind();
+ boolean containsEphemeralCreate = false;
+ for (Op op : multiTransactionRecord) {
+ if (op.getType() == OpCode.create || op.getType() ==
OpCode.create2) {
+ CreateRequest createRequest =
(CreateRequest)op.toRequestRecord();
+ CreateMode createMode =
CreateMode.fromFlag(createRequest.getFlags());
+ if (createMode.isEphemeral()) {
+ containsEphemeralCreate = true;
--- End diff --
I think we can just return null here (or break the loop) - there is no need
to check rest of ops because as long as there is an ephemeral / create we'd
upgrade session?
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