| /* |
| * 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.geode.internal.cache.wan.parallel; |
| |
| import java.util.ArrayList; |
| import java.util.Collection; |
| import java.util.HashSet; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.Set; |
| import java.util.concurrent.Callable; |
| import java.util.concurrent.ConcurrentHashMap; |
| import java.util.concurrent.ExecutionException; |
| import java.util.concurrent.ExecutorService; |
| import java.util.concurrent.Future; |
| import java.util.concurrent.TimeUnit; |
| |
| import org.apache.geode.distributed.DistributedMember; |
| import org.apache.geode.distributed.internal.DistributionManager; |
| import org.apache.geode.distributed.internal.DistributionMessage; |
| import org.apache.geode.distributed.internal.ReplyMessage; |
| import org.apache.geode.distributed.internal.ReplyProcessor21; |
| import org.apache.geode.distributed.internal.membership.InternalDistributedMember; |
| import org.apache.geode.internal.cache.BucketRegion; |
| import org.apache.geode.internal.cache.BucketRegionQueue; |
| import org.apache.geode.internal.cache.PartitionedRegion; |
| import org.apache.geode.internal.cache.wan.AbstractGatewaySender; |
| import org.apache.geode.internal.cache.wan.WaitUntilGatewaySenderFlushedCoordinator; |
| |
| public class WaitUntilParallelGatewaySenderFlushedCoordinator |
| extends WaitUntilGatewaySenderFlushedCoordinator { |
| private static final int CALLABLES_CHUNK_SIZE = 10; |
| |
| public WaitUntilParallelGatewaySenderFlushedCoordinator(AbstractGatewaySender sender, |
| long timeout, TimeUnit unit, boolean initiator) { |
| super(sender, timeout, unit, initiator); |
| } |
| |
| @Override |
| public boolean waitUntilFlushed() throws Throwable { |
| boolean localResult = true; |
| Throwable exceptionToThrow = null; |
| ConcurrentParallelGatewaySenderQueue prq = |
| (ConcurrentParallelGatewaySenderQueue) this.sender.getQueue(); |
| PartitionedRegion pr = (PartitionedRegion) prq.getRegion(); |
| if (pr == null) { |
| sender.getCancelCriterion().checkCancelInProgress(null); |
| } |
| |
| ExecutorService service = this.sender.getDistributionManager().getWaitingThreadPool(); |
| List<Future<Boolean>> callableFutures = new ArrayList<>(); |
| int callableCount = 0; |
| long nanosRemaining = unit.toNanos(timeout); |
| long endTime = System.nanoTime() + nanosRemaining; |
| Set<BucketRegion> localBucketRegions = getLocalBucketRegions(pr); |
| for (BucketRegion br : localBucketRegions) { |
| // timeout exceeded, do not submit more callables, return localResult false |
| if (System.nanoTime() >= endTime) { |
| localResult = false; |
| break; |
| } |
| // create and submit callable with updated timeout |
| Callable<Boolean> callable = createWaitUntilBucketRegionQueueFlushedCallable( |
| (BucketRegionQueue) br, nanosRemaining, TimeUnit.NANOSECONDS); |
| if (logger.isDebugEnabled()) { |
| logger.debug( |
| "WaitUntilParallelGatewaySenderFlushedCoordinator: Submitting callable for bucket " |
| + br.getId() + " callable=" + callable + " nanosRemaining=" + nanosRemaining); |
| } |
| callableFutures.add(service.submit(callable)); |
| callableCount++; |
| if ((callableCount % CALLABLES_CHUNK_SIZE) == 0 |
| || callableCount == localBucketRegions.size()) { |
| CallablesChunkResults callablesChunkResults = |
| new CallablesChunkResults(localResult, exceptionToThrow, callableFutures).invoke(); |
| localResult = callablesChunkResults.getLocalResult(); |
| exceptionToThrow = callablesChunkResults.getExceptionToThrow(); |
| if (logger.isDebugEnabled()) { |
| logger.debug("WaitUntilParallelGatewaySenderFlushedCoordinator: Processed local result= " |
| + localResult + "; exceptionToThrow= " + exceptionToThrow); |
| } |
| if (exceptionToThrow != null) { |
| throw exceptionToThrow; |
| } |
| } |
| nanosRemaining = endTime - System.nanoTime(); |
| } |
| |
| // Return the full result |
| if (logger.isDebugEnabled()) { |
| logger.debug("WaitUntilParallelGatewaySenderFlushedCoordinator: Returning full result=" |
| + (localResult)); |
| } |
| return localResult; |
| } |
| |
| protected Set<BucketRegion> getLocalBucketRegions(PartitionedRegion pr) { |
| Set<BucketRegion> localBucketRegions = new HashSet<BucketRegion>(); |
| if (pr.isDataStore()) { |
| localBucketRegions = pr.getDataStore().getAllLocalBucketRegions(); |
| } |
| return localBucketRegions; |
| } |
| |
| protected WaitUntilBucketRegionQueueFlushedCallable createWaitUntilBucketRegionQueueFlushedCallable( |
| BucketRegionQueue br, long timeout, TimeUnit unit) { |
| return new WaitUntilBucketRegionQueueFlushedCallable(br, timeout, unit); |
| } |
| |
| public static class WaitUntilBucketRegionQueueFlushedCallable implements Callable<Boolean> { |
| |
| private BucketRegionQueue brq; |
| |
| private long latestQueuedKey; |
| |
| private long timeout; |
| |
| private TimeUnit unit; |
| |
| public WaitUntilBucketRegionQueueFlushedCallable(BucketRegionQueue brq, long timeout, |
| TimeUnit unit) { |
| this.brq = brq; |
| this.latestQueuedKey = brq.getLatestQueuedKey(); |
| this.timeout = timeout; |
| this.unit = unit; |
| } |
| |
| @Override |
| public Boolean call() throws Exception { |
| return this.brq.waitUntilFlushed(this.latestQueuedKey, this.timeout, this.unit); |
| } |
| |
| @Override |
| public String toString() { |
| return new StringBuilder().append(getClass().getSimpleName()).append("[").append("brq=") |
| .append(this.brq.getId()).append("]").toString(); |
| } |
| } |
| |
| public static class WaitUntilGatewaySenderFlushedReplyProcessor extends ReplyProcessor21 { |
| |
| private Map<DistributedMember, Boolean> responses; |
| |
| public WaitUntilGatewaySenderFlushedReplyProcessor(DistributionManager dm, |
| Collection initMembers) { |
| super(dm, initMembers); |
| initializeResponses(); |
| } |
| |
| private void initializeResponses() { |
| this.responses = new ConcurrentHashMap<>(); |
| for (InternalDistributedMember member : getMembers()) { |
| this.responses.put(member, false); |
| } |
| } |
| |
| @Override |
| public void process(DistributionMessage msg) { |
| try { |
| if (msg instanceof ReplyMessage) { |
| ReplyMessage reply = (ReplyMessage) msg; |
| if (logger.isDebugEnabled()) { |
| logger |
| .debug("WaitUntilGatewaySenderFlushedReplyProcessor: Processing reply from sender=" |
| + reply.getSender() + "; returnValue=" + reply.getReturnValue() + "; exception=" |
| + reply.getException()); |
| } |
| if (reply.getException() == null) { |
| this.responses.put(reply.getSender(), (Boolean) reply.getReturnValue()); |
| } else { |
| reply.getException().printStackTrace(); |
| } |
| } |
| } finally { |
| super.process(msg); |
| } |
| } |
| |
| public boolean getCombinedResult() { |
| boolean combinedResult = true; |
| for (boolean singleMemberResult : this.responses.values()) { |
| combinedResult = combinedResult && singleMemberResult; |
| } |
| if (logger.isDebugEnabled()) { |
| logger.debug("WaitUntilGatewaySenderFlushedReplyProcessor: Returning combinedResult=" |
| + combinedResult); |
| } |
| return combinedResult; |
| } |
| } |
| |
| private class CallablesChunkResults { |
| private boolean localResult; |
| private Throwable exceptionToThrow; |
| private List<Future<Boolean>> callableFutures; |
| |
| public CallablesChunkResults(boolean localResult, Throwable exceptionToThrow, |
| List<Future<Boolean>> callableFutures) { |
| this.localResult = localResult; |
| this.exceptionToThrow = exceptionToThrow; |
| this.callableFutures = callableFutures; |
| } |
| |
| public boolean getLocalResult() { |
| return localResult; |
| } |
| |
| public Throwable getExceptionToThrow() { |
| return exceptionToThrow; |
| } |
| |
| public CallablesChunkResults invoke() throws InterruptedException { |
| for (Future<Boolean> future : callableFutures) { |
| boolean singleBucketResult = false; |
| try { |
| singleBucketResult = future.get(); |
| } catch (ExecutionException e) { |
| exceptionToThrow = e.getCause(); |
| } |
| localResult = localResult && singleBucketResult; |
| } |
| callableFutures.clear(); |
| return this; |
| } |
| } |
| } |