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fix: update gRPC ReadObject retry to avoid double retry by BenWhitehead · Pull Request #2765 · googleapis/java-storage · GitHub

/ java-storage Public

fix: update gRPC ReadObject retry to avoid double retry #2765

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Merged
BenWhitehead merged 2 commits into from
Oct 10, 2024
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fix: update gRPC ReadObject retry to avoid double retry #2765

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69439c4
fix: update gRPC ReadObject retry to avoid double retry
BenWhitehead Oct 9, 2024
4c0951c
test: fix tests
BenWhitehead Oct 10, 2024
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21 changes: 17 additions & 4 deletions ...ud-storage/src/main/java/com/google/cloud/storage/GapicUnbufferedReadableByteChannel.java
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Original file line number Diff line number Diff line change
Expand Up @@ -47,6 +47,7 @@
import java.util.concurrent.TimeoutException;
import java.util.concurrent.atomic.AtomicLong;
import org.checkerframework.checker.nullness.qual.NonNull;
import org.checkerframework.checker.nullness.qual.Nullable;

final class GapicUnbufferedReadableByteChannel
implements UnbufferedReadableByteChannel, ScatteringByteChannel {
Expand Down Expand Up @@ -258,6 +259,11 @@ ApiFuture<Object> getResult() {

private void ensureStreamOpen() {
if (readObjectObserver == null) {
java.lang.Object peek = queue.peek();
if (peek instanceof Throwable || peek == EOF_MARKER) {
// If our queue has an error or EOF, do not send another request
return;
}
readObjectObserver =
Retrying.run(
retryingDeps,
Expand Down Expand Up @@ -326,13 +332,15 @@ protected void onResponseImpl(ReadObjectResponse response) {

@Override
protected void onErrorImpl(Throwable t) {
open.setException(t);
if (!alg.shouldRetry(t, null)) {
result.setException(StorageException.coalesce(t));
}
if (t instanceof CancellationException) {
cancellation.set(t);
}
if (!open.isDone()) {
open.setException(t);
if (!alg.shouldRetry(t, null)) {
result.setException(StorageException.coalesce(t));
}
}
try {
queue.offer(t);
} catch (InterruptedException e) {
Expand Down Expand Up @@ -369,6 +377,11 @@ public boolean nonEmpty() {
return !queue.isEmpty();
}

@Nullable
public T peek() {
return queue.peek();
}

@NonNull
public T poll() throws InterruptedException {
return queue.take();
Expand Down
8 changes: 2 additions & 6 deletions google-cloud-storage/src/main/java/com/google/cloud/storage/GrpcStorageImpl.java
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Original file line number Diff line number Diff line change
Expand Up @@ -723,8 +723,7 @@ public GrpcBlobReadChannel reader(String bucket, String blob, BlobSourceOption..
public GrpcBlobReadChannel reader(BlobId blob, BlobSourceOption... options) {
Opts<ObjectSourceOpt> opts = Opts.unwrap(options).resolveFrom(blob).prepend(defaultOpts);
ReadObjectRequest request = getReadObjectRequest(blob, opts);
Set<StatusCode.Code> codes = resultRetryAlgorithmToCodes(retryAlgorithmManager.getFor(request));
GrpcCallContext grpcCallContext = Retrying.newCallContext().withRetryableCodes(codes);
GrpcCallContext grpcCallContext = Retrying.newCallContext();

return new GrpcBlobReadChannel(
storageClient.readObjectCallable().withDefaultCallContext(grpcCallContext),
Expand Down Expand Up @@ -1708,10 +1707,7 @@ private UnbufferedReadableByteChannelSession<Object> unbufferedReadSession(

Opts<ObjectSourceOpt> opts = Opts.unwrap(options).resolveFrom(blob).prepend(defaultOpts);
ReadObjectRequest readObjectRequest = getReadObjectRequest(blob, opts);
Set<StatusCode.Code> codes =
resultRetryAlgorithmToCodes(retryAlgorithmManager.getFor(readObjectRequest));
GrpcCallContext grpcCallContext =
opts.grpcMetadataMapper().apply(Retrying.newCallContext().withRetryableCodes(codes));
GrpcCallContext grpcCallContext = opts.grpcMetadataMapper().apply(Retrying.newCallContext());
return ResumableMedia.gapic()
.read()
.byteChannel(
Expand Down
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