| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| package org.apache.bookkeeper.clients.impl.internal; |
| |
| import com.google.common.annotations.VisibleForTesting; |
| import io.grpc.Status; |
| import io.grpc.StatusException; |
| import io.grpc.StatusRuntimeException; |
| import java.util.concurrent.CompletableFuture; |
| import java.util.function.Predicate; |
| import java.util.function.Supplier; |
| import lombok.extern.slf4j.Slf4j; |
| import org.apache.bookkeeper.clients.impl.internal.api.RootRangeClient; |
| import org.apache.bookkeeper.common.util.Backoff; |
| import org.apache.bookkeeper.common.util.OrderedScheduler; |
| import org.apache.bookkeeper.common.util.Retries; |
| import org.apache.bookkeeper.stream.proto.NamespaceConfiguration; |
| import org.apache.bookkeeper.stream.proto.NamespaceProperties; |
| import org.apache.bookkeeper.stream.proto.StreamConfiguration; |
| import org.apache.bookkeeper.stream.proto.StreamProperties; |
| |
| /** |
| * A root range client wrapper with retries. |
| */ |
| @Slf4j |
| class RootRangeClientImplWithRetries implements RootRangeClient { |
| |
| @VisibleForTesting |
| static final Predicate<Throwable> ROOT_RANGE_CLIENT_RETRY_PREDICATE = |
| cause -> shouldRetryOnException(cause); |
| |
| private static boolean shouldRetryOnException(Throwable cause) { |
| log.error("Reason for the failure {}", cause); |
| if (cause instanceof StatusRuntimeException || cause instanceof StatusException) { |
| Status status; |
| if (cause instanceof StatusException) { |
| status = ((StatusException) cause).getStatus(); |
| } else { |
| status = ((StatusRuntimeException) cause).getStatus(); |
| } |
| switch (status.getCode()) { |
| case INVALID_ARGUMENT: |
| case ALREADY_EXISTS: |
| case PERMISSION_DENIED: |
| case UNAUTHENTICATED: |
| return false; |
| default: |
| return true; |
| } |
| } else if (cause instanceof RuntimeException) { |
| return false; |
| } else { |
| // storage level exceptions |
| return false; |
| } |
| } |
| |
| private final RootRangeClient client; |
| private final Backoff.Policy backoffPolicy; |
| private final OrderedScheduler scheduler; |
| |
| RootRangeClientImplWithRetries(RootRangeClient client, |
| Backoff.Policy backoffPolicy, |
| OrderedScheduler scheduler) { |
| this.client = client; |
| this.backoffPolicy = backoffPolicy; |
| this.scheduler = scheduler; |
| } |
| |
| private <T> CompletableFuture<T> runRpcWithRetries( |
| Supplier<CompletableFuture<T>> futureSupplier) { |
| return Retries.run( |
| backoffPolicy.toBackoffs(), |
| ROOT_RANGE_CLIENT_RETRY_PREDICATE, |
| futureSupplier, |
| scheduler); |
| } |
| |
| @Override |
| public CompletableFuture<NamespaceProperties> createNamespace(String namespace, |
| NamespaceConfiguration nsConf) { |
| return runRpcWithRetries(() -> client.createNamespace(namespace, nsConf)); |
| } |
| |
| @Override |
| public CompletableFuture<Boolean> deleteNamespace(String namespace) { |
| return runRpcWithRetries(() -> client.deleteNamespace(namespace)); |
| } |
| |
| @Override |
| public CompletableFuture<NamespaceProperties> getNamespace(String namespace) { |
| return runRpcWithRetries(() -> client.getNamespace(namespace)); |
| } |
| |
| @Override |
| public CompletableFuture<StreamProperties> createStream(String nsName, |
| String streamName, |
| StreamConfiguration streamConf) { |
| return runRpcWithRetries(() -> |
| client.createStream(nsName, streamName, streamConf)); |
| } |
| |
| @Override |
| public CompletableFuture<Boolean> deleteStream(String nsName, String streamName) { |
| return runRpcWithRetries(() -> |
| client.deleteStream(nsName, streamName)); |
| } |
| |
| @Override |
| public CompletableFuture<StreamProperties> getStream(String nsName, String streamName) { |
| return runRpcWithRetries(() -> |
| client.getStream(nsName, streamName)); |
| } |
| |
| @Override |
| public CompletableFuture<StreamProperties> getStream(long streamId) { |
| return runRpcWithRetries(() -> |
| client.getStream(streamId)); |
| } |
| } |