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core: reduce extra onReady() from hedging. #11548

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core: reduce extra onReady() from hedging. #11548

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8 changes: 4 additions & 4 deletions core/src/main/java/io/grpc/internal/RetriableStream.java
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Original file line number Diff line number Diff line change
Expand Up @@ -311,7 +311,7 @@ private void drain(Substream substream) {
}
if (index == savedState.buffer.size()) { // I'm drained
state = savedState.substreamDrained(substream);
if (!isReady()) {
if (!substream.stream.isReady()) {
return;
}
onReadyRunnable = new Runnable() {
Expand Down Expand Up @@ -1131,15 +1131,15 @@ public void run() {

@Override
public void onReady() {
// FIXME(#7089): hedging case is broken.
if (!isReady()) {
if (!substream.stream.isReady()
|| (state.winningSubstream != null && state.winningSubstream != substream)) {
return;
}
listenerSerializeExecutor.execute(
new Runnable() {
@Override
public void run() {
if (!isClosed) {
if (!isClosed && substream.stream.isReady()) {
masterListener.onReady();
}
}
Expand Down
10 changes: 2 additions & 8 deletions core/src/test/java/io/grpc/internal/RetriableStreamTest.java
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Original file line number Diff line number Diff line change
Expand Up @@ -2150,7 +2150,6 @@ public Void answer(InvocationOnMock in) {
inOrder.verify(mockStream2).writeMessage(any(InputStream.class));
inOrder.verify(mockStream2).flush(); // Memory leak workaround
inOrder.verify(mockStream2).request(456);
inOrder.verify(mockStream1).isReady();
inOrder.verify(mockStream2).isReady();
inOrder.verifyNoMoreInteractions();

Expand Down Expand Up @@ -2200,8 +2199,8 @@ public Void answer(InvocationOnMock in) {
inOrder.verify(mockStream3).flush(); // Memory leak workaround
inOrder.verify(mockStream3).writeMessage(any(InputStream.class));
inOrder.verify(mockStream3).flush(); // Memory leak workaround
inOrder.verify(mockStream1).isReady();
inOrder.verify(mockStream2).isReady();
inOrder.verify(mockStream1, never()).isReady();
inOrder.verify(mockStream2, never()).isReady();
inOrder.verify(mockStream3).isReady();
inOrder.verifyNoMoreInteractions();

Expand Down Expand Up @@ -2257,8 +2256,6 @@ public Void answer(InvocationOnMock in) {
inOrder.verify(mockStream4).writeMessage(any(InputStream.class));
inOrder.verify(mockStream4).flush(); // Memory leak workaround
}
inOrder.verify(mockStream1).isReady();
inOrder.verify(mockStream2).isReady();
inOrder.verify(mockStream4).isReady();
inOrder.verifyNoMoreInteractions();

Expand Down Expand Up @@ -2701,7 +2698,6 @@ public void hedging_cancelled() {
ArgumentCaptor<ClientStreamListener> sublistenerCaptor2 =
ArgumentCaptor.forClass(ClientStreamListener.class);
inOrder.verify(mockStream2).start(sublistenerCaptor2.capture());
inOrder.verify(mockStream1).isReady();
inOrder.verify(mockStream2).isReady();
inOrder.verifyNoMoreInteractions();

Expand Down Expand Up @@ -2744,7 +2740,6 @@ public void hedging_perRpcBufferLimitExceeded() {
ArgumentCaptor<ClientStreamListener> sublistenerCaptor2 =
ArgumentCaptor.forClass(ClientStreamListener.class);
verify(mockStream2).start(sublistenerCaptor2.capture());
verify(mockStream1, times(2)).isReady();
verify(mockStream2).isReady();

ClientStreamTracer bufferSizeTracer2 = bufferSizeTracer;
Expand Down Expand Up @@ -2786,7 +2781,6 @@ public void hedging_channelBufferLimitExceeded() {
ArgumentCaptor<ClientStreamListener> sublistenerCaptor2 =
ArgumentCaptor.forClass(ClientStreamListener.class);
verify(mockStream2).start(sublistenerCaptor2.capture());
verify(mockStream1, times(2)).isReady();
verify(mockStream2).isReady();

ClientStreamTracer bufferSizeTracer2 = bufferSizeTracer;
Expand Down