chungen0126 commented on code in PR #6613:
URL: https://github.com/apache/ozone/pull/6613#discussion_r1867504010
##########
hadoop-hdds/client/src/main/java/org/apache/hadoop/hdds/scm/XceiverClientGrpc.java:
##########
@@ -618,6 +624,69 @@ private void decreasePendingMetricsAndReleaseSemaphore() {
return new XceiverClientReply(replyFuture);
}
+ public XceiverClientReply sendCommandReadBlock(
+ ContainerCommandRequestProto request, DatanodeDetails dn)
+ throws IOException, InterruptedException {
+
+ CompletableFuture<ContainerCommandResponseProto> future =
+ new CompletableFuture<>();
+ ContainerCommandResponseProto.Builder response =
+ ContainerCommandResponseProto.newBuilder();
+ ContainerProtos.ReadBlockResponseProto.Builder readBlock =
+ ContainerProtos.ReadBlockResponseProto.newBuilder();
+ checkOpen(dn);
+ UUID dnID = dn.getUuid();
+ Type cmdType = request.getCmdType();
+ semaphore.acquire();
+ long requestTime = System.currentTimeMillis();
+ metrics.incrPendingContainerOpsMetrics(cmdType);
+
+ final StreamObserver<ContainerCommandRequestProto> requestObserver =
+ asyncStubs.get(dnID).withDeadlineAfter(timeout, TimeUnit.SECONDS)
+ .send(new StreamObserver<ContainerCommandResponseProto>() {
+ @Override
+ public void onNext(
+ ContainerCommandResponseProto responseProto) {
+ if (responseProto.getResult() == Result.SUCCESS) {
+ readBlock.addReadChunk(responseProto.getReadChunk());
+ } else {
+ future.complete(
+ ContainerCommandResponseProto.newBuilder(responseProto)
+ .setCmdType(Type.ReadBlock).build());
+ }
+ }
+
+ @Override
+ public void onError(Throwable t) {
+ future.completeExceptionally(t);
+ metrics.decrPendingContainerOpsMetrics(cmdType);
+ metrics.addContainerOpsLatency(
+ cmdType, System.currentTimeMillis() - requestTime);
+
Review Comment:
Done
##########
hadoop-hdds/container-service/src/main/java/org/apache/hadoop/ozone/container/common/interfaces/ContainerDispatcher.java:
##########
@@ -93,4 +94,15 @@ default StateMachine.DataChannel getStreamDataChannel(
throw new UnsupportedOperationException(
"getStreamDataChannel not supported.");
}
+
+ /**
+ * When reading data form client using stream, get StreamDataChannel.
+ */
+ default void streamDataReadOnly(
+ ContainerCommandRequestProto msg,
+ StreamObserver<ContainerCommandResponseProto> streamObserver,
+ DispatcherContext dispatcherContext) {
+ throw new UnsupportedOperationException(
+ "getStreamDataChannel not supported.");
Review Comment:
Done
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