| /* |
| * 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; |
| |
| import java.io.DataInput; |
| import java.io.DataOutput; |
| import java.io.IOException; |
| import java.util.ArrayList; |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.Set; |
| |
| import org.apache.logging.log4j.Logger; |
| |
| import org.apache.geode.DataSerializer; |
| import org.apache.geode.cache.Cache; |
| import org.apache.geode.cache.CacheFactory; |
| import org.apache.geode.cache.wan.GatewayQueueEvent; |
| import org.apache.geode.cache.wan.GatewaySender; |
| import org.apache.geode.distributed.internal.ClusterDistributionManager; |
| import org.apache.geode.distributed.internal.DistributionManager; |
| import org.apache.geode.distributed.internal.DistributionMessage; |
| import org.apache.geode.distributed.internal.MessageWithReply; |
| import org.apache.geode.distributed.internal.PooledDistributionMessage; |
| import org.apache.geode.distributed.internal.ReplyException; |
| 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.GemFireCacheImpl; |
| import org.apache.geode.internal.cache.InitialImageOperation; |
| import org.apache.geode.internal.cache.InternalRegion; |
| import org.apache.geode.internal.cache.LocalRegion; |
| import org.apache.geode.internal.cache.versions.VersionTag; |
| import org.apache.geode.internal.serialization.DataSerializableFixedID; |
| import org.apache.geode.internal.serialization.DeserializationContext; |
| import org.apache.geode.internal.serialization.SerializationContext; |
| import org.apache.geode.internal.serialization.Version; |
| import org.apache.geode.logging.internal.log4j.api.LogService; |
| |
| public class GatewaySenderQueueEntrySynchronizationOperation { |
| |
| private InternalDistributedMember recipient; |
| |
| private InternalRegion region; |
| |
| private List<GatewaySenderQueueEntrySynchronizationEntry> entriesToSynchronize; |
| |
| private static final Logger logger = LogService.getLogger(); |
| |
| protected GatewaySenderQueueEntrySynchronizationOperation(InternalDistributedMember recipient, |
| InternalRegion internalRegion, List<InitialImageOperation.Entry> giiEntriesToSynchronize) { |
| this.recipient = recipient; |
| this.region = internalRegion; |
| initializeEntriesToSynchronize(giiEntriesToSynchronize); |
| } |
| |
| protected void synchronizeEntries() { |
| if (logger.isDebugEnabled()) { |
| logger.debug( |
| "{}: Requesting synchronization from member={}; regionPath={}; entriesToSynchronize={}", |
| getClass().getSimpleName(), this.recipient, this.region.getFullPath(), |
| this.entriesToSynchronize); |
| } |
| // Create and send message |
| DistributionManager dm = this.region.getDistributionManager(); |
| GatewaySenderQueueEntrySynchronizationReplyProcessor processor = |
| new GatewaySenderQueueEntrySynchronizationReplyProcessor(dm, this.recipient, this); |
| GatewaySenderQueueEntrySynchronizationMessage message = |
| new GatewaySenderQueueEntrySynchronizationMessage(this.recipient, |
| processor.getProcessorId(), this); |
| dm.putOutgoing(message); |
| |
| // Wait for replies |
| try { |
| processor.waitForReplies(); |
| } catch (ReplyException e) { |
| e.handleCause(); |
| } catch (InterruptedException e) { |
| dm.getCancelCriterion().checkCancelInProgress(e); |
| Thread.currentThread().interrupt(); |
| } |
| } |
| |
| protected GemFireCacheImpl getCache() { |
| return (GemFireCacheImpl) CacheFactory.getAnyInstance(); |
| } |
| |
| private void initializeEntriesToSynchronize( |
| List<InitialImageOperation.Entry> giiEntriesToSynchronize) { |
| this.entriesToSynchronize = new ArrayList<>(); |
| for (InitialImageOperation.Entry entry : giiEntriesToSynchronize) { |
| this.entriesToSynchronize.add( |
| new GatewaySenderQueueEntrySynchronizationEntry(entry.getKey(), entry.getVersionTag())); |
| } |
| } |
| |
| public static class GatewaySenderQueueEntrySynchronizationReplyProcessor |
| extends ReplyProcessor21 { |
| |
| private GatewaySenderQueueEntrySynchronizationOperation operation; |
| |
| public GatewaySenderQueueEntrySynchronizationReplyProcessor(DistributionManager dm, |
| InternalDistributedMember recipient, |
| GatewaySenderQueueEntrySynchronizationOperation operation) { |
| super(dm, recipient); |
| this.operation = operation; |
| } |
| |
| @Override |
| public void process(DistributionMessage msg) { |
| try { |
| if (msg instanceof ReplyMessage) { |
| ReplyMessage reply = (ReplyMessage) msg; |
| if (reply.getException() == null) { |
| if (logger.isDebugEnabled()) { |
| logger.debug( |
| "{}: Processing reply from member={}; regionPath={}; key={}; entriesToSynchronize={}", |
| getClass().getSimpleName(), reply.getSender(), |
| this.operation.region.getFullPath(), this.operation.entriesToSynchronize, |
| reply.getReturnValue()); |
| } |
| List<Map<String, GatewayQueueEvent>> events = |
| (List<Map<String, GatewayQueueEvent>>) reply.getReturnValue(); |
| for (int i = 0; i < events.size(); i++) { |
| Map<String, GatewayQueueEvent> eventsForOneEntry = events.get(i); |
| if (events.isEmpty()) { |
| GatewaySenderQueueEntrySynchronizationEntry entry = |
| this.operation.entriesToSynchronize.get(i); |
| logger.info( |
| "Synchronization event reply from member={}; regionPath={}; key={}; entryVersion={} is empty", |
| new Object[] {reply.getSender(), this.operation.region.getFullPath(), |
| entry.key, |
| entry.entryVersion}); |
| } else { |
| putSynchronizationEvents(eventsForOneEntry); |
| } |
| } |
| } |
| } |
| } finally { |
| super.process(msg); |
| } |
| } |
| |
| private void putSynchronizationEvents(Map<String, GatewayQueueEvent> senderIdsAndEvents) { |
| for (Map.Entry<String, GatewayQueueEvent> senderIdAndEvent : senderIdsAndEvents.entrySet()) { |
| AbstractGatewaySender sender = |
| (AbstractGatewaySender) getCache().getGatewaySender(senderIdAndEvent.getKey()); |
| sender.putSynchronizationEvent(senderIdAndEvent.getValue()); |
| } |
| } |
| |
| private Cache getCache() { |
| return CacheFactory.getAnyInstance(); |
| } |
| } |
| |
| public static class GatewaySenderQueueEntrySynchronizationMessage |
| extends PooledDistributionMessage implements MessageWithReply { |
| |
| private int processorId; |
| |
| private String regionPath; |
| |
| private List<GatewaySenderQueueEntrySynchronizationEntry> entriesToSynchronize; |
| |
| /* For serialization */ |
| public GatewaySenderQueueEntrySynchronizationMessage() {} |
| |
| protected GatewaySenderQueueEntrySynchronizationMessage(InternalDistributedMember recipient, |
| int processorId, GatewaySenderQueueEntrySynchronizationOperation operation) { |
| super(); |
| setRecipient(recipient); |
| this.processorId = processorId; |
| this.regionPath = operation.region.getFullPath(); |
| this.entriesToSynchronize = operation.entriesToSynchronize; |
| } |
| |
| @Override |
| protected void process(ClusterDistributionManager dm) { |
| Object result = null; |
| ReplyException replyException = null; |
| try { |
| if (logger.isDebugEnabled()) { |
| logger.debug("{}: Providing synchronization region={}; entriesToSynchronize={}", |
| getClass().getSimpleName(), this.regionPath, this.entriesToSynchronize); |
| } |
| result = getSynchronizationEvents(); |
| } catch (Throwable t) { |
| replyException = new ReplyException(t); |
| } finally { |
| ReplyMessage replyMsg = new ReplyMessage(); |
| replyMsg.setRecipient(getSender()); |
| replyMsg.setProcessorId(this.processorId); |
| if (replyException == null) { |
| replyMsg.setReturnValue(result); |
| } else { |
| replyMsg.setException(replyException); |
| } |
| if (logger.isDebugEnabled()) { |
| logger.debug("{}: Sending synchronization reply returnValue={}; exception={}", |
| getClass().getSimpleName(), replyMsg.getReturnValue(), replyMsg.getException()); |
| } |
| dm.putOutgoing(replyMsg); |
| } |
| } |
| |
| private Object getSynchronizationEvents() { |
| List<Map<String, GatewayQueueEvent>> results = new ArrayList<>(); |
| // Get the region |
| GemFireCacheImpl gfci = (GemFireCacheImpl) getCache(); |
| LocalRegion region = (LocalRegion) gfci.getRegion(this.regionPath); |
| |
| // Add the appropriate GatewaySenderEventImpl from each GatewaySender for each entry |
| Set<String> allGatewaySenderIds = region.getAllGatewaySenderIds(); |
| for (GatewaySender sender : gfci.getAllGatewaySenders()) { |
| if (allGatewaySenderIds.contains(sender.getId())) { |
| for (GatewaySenderQueueEntrySynchronizationEntry entry : this.entriesToSynchronize) { |
| Map<String, GatewayQueueEvent> resultForOneEntry = new HashMap<>(); |
| GatewayQueueEvent event = ((AbstractGatewaySender) sender) |
| .getSynchronizationEvent(entry.key, entry.entryVersion.getVersionTimeStamp()); |
| if (event != null) { |
| resultForOneEntry.put(sender.getId(), event); |
| } |
| results.add(resultForOneEntry); |
| } |
| } |
| } |
| |
| return results; |
| } |
| |
| private Cache getCache() { |
| return CacheFactory.getAnyInstance(); |
| } |
| |
| @Override |
| public int getDSFID() { |
| return GATEWAY_SENDER_QUEUE_ENTRY_SYNCHRONIZATION_MESSAGE; |
| } |
| |
| @Override |
| public void toData(DataOutput out, |
| SerializationContext context) throws IOException { |
| super.toData(out, context); |
| out.writeInt(this.processorId); |
| DataSerializer.writeString(this.regionPath, out); |
| DataSerializer.writeArrayList((ArrayList) this.entriesToSynchronize, out); |
| } |
| |
| @Override |
| public void fromData(DataInput in, |
| DeserializationContext context) throws IOException, ClassNotFoundException { |
| super.fromData(in, context); |
| this.processorId = in.readInt(); |
| this.regionPath = DataSerializer.readString(in); |
| this.entriesToSynchronize = DataSerializer.readArrayList(in); |
| } |
| } |
| |
| public static class GatewaySenderQueueEntrySynchronizationEntry |
| implements DataSerializableFixedID { |
| |
| private Object key; |
| |
| private VersionTag entryVersion; |
| |
| /* For serialization */ |
| public GatewaySenderQueueEntrySynchronizationEntry() {} |
| |
| public GatewaySenderQueueEntrySynchronizationEntry(Object key, VersionTag entryVersion) { |
| this.key = key; |
| this.entryVersion = entryVersion; |
| } |
| |
| @Override |
| public int getDSFID() { |
| return GATEWAY_SENDER_QUEUE_ENTRY_SYNCHRONIZATION_ENTRY; |
| } |
| |
| @Override |
| public Version[] getSerializationVersions() { |
| return null; |
| } |
| |
| @Override |
| public void toData(DataOutput out, |
| SerializationContext context) throws IOException { |
| context.getSerializer().writeObject(this.key, out); |
| context.getSerializer().writeObject(this.entryVersion, out); |
| } |
| |
| @Override |
| public void fromData(DataInput in, |
| DeserializationContext context) throws IOException, ClassNotFoundException { |
| this.key = context.getDeserializer().readObject(in); |
| this.entryVersion = context.getDeserializer().readObject(in); |
| } |
| |
| @Override |
| public String toString() { |
| return new StringBuilder().append(getClass().getSimpleName()).append("[").append("key=") |
| .append(this.key).append("; entryVersion=").append(this.entryVersion).append("]") |
| .toString(); |
| } |
| } |
| } |