| /* |
| * 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.partitioned; |
| |
| import java.io.DataInput; |
| import java.io.DataOutput; |
| import java.io.IOException; |
| import java.util.Set; |
| |
| import org.apache.logging.log4j.Logger; |
| |
| import org.apache.geode.DataSerializer; |
| import org.apache.geode.cache.CacheException; |
| import org.apache.geode.cache.InterestRegistrationEvent; |
| import org.apache.geode.distributed.internal.ClusterDistributionManager; |
| import org.apache.geode.distributed.internal.DistributionManager; |
| import org.apache.geode.distributed.internal.DistributionStats; |
| import org.apache.geode.distributed.internal.HighPriorityDistributionMessage; |
| import org.apache.geode.distributed.internal.InternalDistributedSystem; |
| import org.apache.geode.distributed.internal.OperationExecutors; |
| import org.apache.geode.distributed.internal.ReplyException; |
| import org.apache.geode.distributed.internal.ReplyProcessor21; |
| import org.apache.geode.distributed.internal.membership.InternalDistributedMember; |
| import org.apache.geode.internal.cache.ForceReattemptException; |
| import org.apache.geode.internal.cache.PartitionedRegion; |
| import org.apache.geode.internal.cache.PartitionedRegionDataStore; |
| import org.apache.geode.internal.logging.log4j.LogMarker; |
| import org.apache.geode.internal.serialization.DeserializationContext; |
| import org.apache.geode.internal.serialization.SerializationContext; |
| import org.apache.geode.logging.internal.log4j.api.LogService; |
| |
| /** |
| * This message is used as the notification that a client interest registration or unregistration |
| * event occurred. |
| * |
| * @since GemFire 5.8BetaSUISSE |
| */ |
| public class InterestEventMessage extends PartitionMessage { |
| private static final Logger logger = LogService.getLogger(); |
| |
| /** The <code>InterestRegistrationEvent</code> */ |
| private InterestRegistrationEvent event; |
| |
| /** |
| * Empty constructor to satisfy {@link DataSerializer} requirements |
| */ |
| public InterestEventMessage() {} |
| |
| private InterestEventMessage(Set recipients, int regionId, int processorId, |
| final InterestRegistrationEvent event, ReplyProcessor21 processor) { |
| super(recipients, regionId, processor); |
| this.event = event; |
| } |
| |
| @Override |
| public int getProcessorType() { |
| return OperationExecutors.STANDARD_EXECUTOR; |
| } |
| |
| @Override |
| protected boolean operateOnPartitionedRegion(final ClusterDistributionManager dm, |
| PartitionedRegion r, long startTime) throws ForceReattemptException { |
| if (logger.isTraceEnabled(LogMarker.DM_VERBOSE)) { |
| logger.trace(LogMarker.DM_VERBOSE, "InterestEventMessage operateOnPartitionedRegion: {}", |
| r.getFullPath()); |
| } |
| |
| PartitionedRegionDataStore ds = r.getDataStore(); |
| |
| if (ds != null) { |
| try { |
| ds.handleInterestEvent(this.event); |
| r.getPrStats().endPartitionMessagesProcessing(startTime); |
| InterestEventReplyMessage.send(getSender(), getProcessorId(), dm); |
| } catch (Exception e) { |
| sendReply(getSender(), getProcessorId(), dm, new ReplyException(new ForceReattemptException( |
| "Caught exception during interest registration processing:", e)), r, startTime); |
| return false; |
| } |
| } else { |
| throw new InternalError("InterestEvent message was sent to a member with no storage."); |
| } |
| |
| // Unless there was an exception thrown, this message handles sending the |
| // response |
| return false; |
| } |
| |
| @Override |
| protected void appendFields(StringBuilder buff) { |
| super.appendFields(buff); |
| buff.append("; event=").append(this.event); |
| } |
| |
| @Override |
| public void fromData(DataInput in, |
| DeserializationContext context) throws IOException, ClassNotFoundException { |
| super.fromData(in, context); |
| this.event = (InterestRegistrationEvent) DataSerializer.readObject(in); |
| } |
| |
| @Override |
| public void toData(DataOutput out, |
| SerializationContext context) throws IOException { |
| super.toData(out, context); |
| DataSerializer.writeObject(this.event, out); |
| } |
| |
| /** |
| * Sends an InterestEventMessage message |
| * |
| * @param recipients the Set of members that the get message is being sent to |
| * @param region the PartitionedRegion for which interest event was received |
| * @param event the InterestRegistrationEvent to send |
| * @return the InterestEventResponse |
| * @throws ForceReattemptException if the peer is no longer available |
| */ |
| public static InterestEventResponse send(Set recipients, PartitionedRegion region, |
| final InterestRegistrationEvent event) throws ForceReattemptException { |
| InterestEventResponse response = new InterestEventResponse(region.getSystem(), recipients); |
| InterestEventMessage m = new InterestEventMessage(recipients, region.getPRId(), |
| response.getProcessorId(), event, response); |
| m.setTransactionDistributed(region.getCache().getTxManager().isDistributed()); |
| |
| Set failures = region.getDistributionManager().putOutgoing(m); |
| if (failures != null && failures.size() > 0) { |
| throw new ForceReattemptException("Failed sending <" + m + "> to " + failures); |
| } |
| return response; |
| } |
| |
| /** |
| * This message is used for the reply to a {@link InterestEventMessage}. |
| * |
| * @since GemFire 5.8BetaSUISSE |
| */ |
| public static class InterestEventReplyMessage extends HighPriorityDistributionMessage { |
| /** The shared obj id of the ReplyProcessor */ |
| private int processorId; |
| |
| /** |
| * Empty constructor to conform to DataSerializable interface |
| */ |
| public InterestEventReplyMessage() {} |
| |
| private InterestEventReplyMessage(int processorId) { |
| this.processorId = processorId; |
| } |
| |
| /** Send an ack */ |
| public static void send(InternalDistributedMember recipient, int processorId, |
| DistributionManager dm) throws ForceReattemptException { |
| InterestEventReplyMessage m = new InterestEventReplyMessage(processorId); |
| m.setRecipient(recipient); |
| dm.putOutgoing(m); |
| } |
| |
| /** |
| * Processes this message. This method is invoked by the receiver of the message. |
| * |
| * @param dm the distribution manager that is processing the message. |
| */ |
| @Override |
| protected void process(final ClusterDistributionManager dm) { |
| final long startTime = getTimestamp(); |
| if (logger.isTraceEnabled(LogMarker.DM_VERBOSE)) { |
| logger.trace(LogMarker.DM_VERBOSE, |
| "InterestEventReplyMessage process invoking reply processor with processorId: {}", |
| this.processorId); |
| } |
| |
| try { |
| ReplyProcessor21 processor = ReplyProcessor21.getProcessor(this.processorId); |
| |
| if (processor == null) { |
| if (logger.isTraceEnabled(LogMarker.DM_VERBOSE)) { |
| logger.trace(LogMarker.DM_VERBOSE, "InterestEventReplyMessage processor not found"); |
| } |
| return; |
| } |
| processor.process(this); |
| |
| if (logger.isTraceEnabled(LogMarker.DM_VERBOSE)) { |
| logger.trace("{} processed {}", processor, this); |
| } |
| } finally { |
| dm.getStats().incReplyMessageTime(DistributionStats.getStatTime() - startTime); |
| } |
| } |
| |
| @Override |
| public void toData(DataOutput out, |
| SerializationContext context) throws IOException { |
| super.toData(out, context); |
| out.writeInt(processorId); |
| } |
| |
| @Override |
| public void fromData(DataInput in, |
| DeserializationContext context) throws IOException, ClassNotFoundException { |
| super.fromData(in, context); |
| this.processorId = in.readInt(); |
| } |
| |
| @Override |
| public String toString() { |
| StringBuffer sb = |
| new StringBuffer().append("InterestEventReplyMessage ").append("processorid=") |
| .append(this.processorId).append(" reply to sender ").append(this.getSender()); |
| return sb.toString(); |
| } |
| |
| @Override |
| public int getDSFID() { |
| return INTEREST_EVENT_REPLY_MESSAGE; |
| } |
| } |
| |
| /** |
| * A processor to capture the value returned by |
| * {@link org.apache.geode.internal.cache.partitioned.InterestEventMessage.InterestEventReplyMessage} |
| * |
| * @since GemFire 5.1 |
| */ |
| public static class InterestEventResponse extends PartitionResponse { |
| |
| public InterestEventResponse(InternalDistributedSystem ds, Set recipients) { |
| super(ds, recipients); |
| } |
| |
| /** |
| * @throws ForceReattemptException if the peer is no longer available |
| */ |
| public void waitForResponse() throws ForceReattemptException { |
| try { |
| waitForCacheException(); |
| } catch (ForceReattemptException e) { |
| logger.debug("InterestEventResponse got ForceReattemptException; rethrowing {}", |
| e.getMessage(), e); |
| throw e; |
| } catch (CacheException e) { |
| final String msg = |
| "InterestEventResponse got remote CacheException, throwing ForceReattemptException"; |
| logger.debug(msg, e); |
| throw new ForceReattemptException(msg, e); |
| } |
| } |
| } |
| |
| @Override |
| public int getDSFID() { |
| return INTEREST_EVENT_MESSAGE; |
| } |
| } |