| /* |
| * 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.distributed.internal.ClusterDistributionManager; |
| import org.apache.geode.distributed.internal.DistributionManager; |
| import org.apache.geode.distributed.internal.DistributionMessage; |
| 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.ReplyMessage; |
| import org.apache.geode.distributed.internal.ReplyProcessor21; |
| import org.apache.geode.distributed.internal.membership.InternalDistributedMember; |
| import org.apache.geode.internal.Assert; |
| import org.apache.geode.internal.InternalDataSerializer; |
| import org.apache.geode.internal.NanoTimer; |
| import org.apache.geode.internal.cache.BucketAdvisor; |
| import org.apache.geode.internal.cache.ForceReattemptException; |
| import org.apache.geode.internal.cache.PartitionedRegion; |
| 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 sent to a recipient to make it become the primary for a partitioned region |
| * bucket. The recipient will get in line for the bucket's primary lock and then send a |
| * {@link DeposePrimaryBucketMessage} to the current primary. |
| * |
| * Usage: BecomePrimaryBucketResponse response = BecomePrimaryBucketMessage.send( |
| * InternalDistributedMember, PartitionedRegion, int bucketId); if (response != null && |
| * response.waitForResponse()) { // recipient became primary for the bucket } |
| * |
| */ |
| public class BecomePrimaryBucketMessage extends PartitionMessage { |
| |
| private static final Logger logger = LogService.getLogger(); |
| |
| private int bucketId; |
| private boolean isRebalance; |
| |
| /** |
| * Empty constructor to satisfy {@link DataSerializer} requirements |
| */ |
| public BecomePrimaryBucketMessage() {} |
| |
| private BecomePrimaryBucketMessage(InternalDistributedMember recipient, int regionId, |
| ReplyProcessor21 processor, int bucketId, boolean isRebalance) { |
| super(recipient, regionId, processor); |
| this.bucketId = bucketId; |
| this.isRebalance = isRebalance; |
| } |
| |
| /** |
| * Sends a message to make the recipient primary for the bucket. |
| * |
| * @param recipient the member to to become primary |
| * @param pr the PartitionedRegion of the bucket |
| * @param bid the bucket to become primary for |
| * @param isRebalance true if directed to become primary by rebalancing |
| * @return the processor used to wait for the response |
| */ |
| public static BecomePrimaryBucketResponse send(InternalDistributedMember recipient, |
| PartitionedRegion pr, int bid, boolean isRebalance) { |
| |
| Assert.assertTrue(recipient != null, "BecomePrimaryBucketMessage NULL recipient"); |
| |
| BecomePrimaryBucketResponse response = |
| new BecomePrimaryBucketResponse(pr.getSystem(), recipient, pr); |
| BecomePrimaryBucketMessage msg = |
| new BecomePrimaryBucketMessage(recipient, pr.getPRId(), response, bid, isRebalance); |
| msg.setTransactionDistributed(pr.getCache().getTxManager().isDistributed()); |
| |
| Set<InternalDistributedMember> failures = pr.getDistributionManager().putOutgoing(msg); |
| if (failures != null && failures.size() > 0) { |
| // throw new ForceReattemptException("Failed sending <" + msg + ">"); |
| return null; |
| } |
| pr.getPrStats().incPartitionMessagesSent(); |
| return response; |
| } |
| |
| public BecomePrimaryBucketMessage(DataInput in) throws IOException, ClassNotFoundException { |
| fromData(in, InternalDataSerializer.createDeserializationContext(in)); |
| } |
| |
| @Override |
| public int getProcessorType() { |
| // use the waiting pool because operateOnPartitionedRegion will |
| // send out a DeposePrimaryBucketMessage and wait for the reply |
| return OperationExecutors.WAITING_POOL_EXECUTOR; |
| } |
| |
| @Override |
| public boolean isSevereAlertCompatible() { |
| // allow forced-disconnect processing for all cache op messages |
| return true; |
| } |
| |
| @Override |
| protected boolean operateOnPartitionedRegion(ClusterDistributionManager dm, |
| PartitionedRegion region, long startTime) throws ForceReattemptException { |
| |
| // this is executing in the WAITING_POOL_EXECUTOR |
| byte responseCode = BecomePrimaryBucketReplyMessage.NOT_SECONDARY; |
| BucketAdvisor bucketAdvisor = region.getRegionAdvisor().getBucketAdvisor(this.bucketId); |
| |
| if (bucketAdvisor.isHosting()) { |
| if (bucketAdvisor.becomePrimary(this.isRebalance)) { // sends a request/reply message |
| responseCode = BecomePrimaryBucketReplyMessage.OK; |
| } |
| } |
| |
| region.getPrStats().endPartitionMessagesProcessing(startTime); |
| BecomePrimaryBucketReplyMessage.send(getSender(), getProcessorId(), dm, null, responseCode); |
| |
| return false; |
| |
| } |
| |
| @Override |
| protected void appendFields(StringBuilder buff) { |
| super.appendFields(buff); |
| buff.append("; bucketId=").append(this.bucketId); |
| buff.append("; isRebalance=").append(this.isRebalance); |
| } |
| |
| @Override |
| public int getDSFID() { |
| return PR_BECOME_PRIMARY_BUCKET_MESSAGE; |
| } |
| |
| @Override |
| public void fromData(DataInput in, |
| DeserializationContext context) throws IOException, ClassNotFoundException { |
| super.fromData(in, context); |
| this.bucketId = in.readInt(); |
| this.isRebalance = in.readBoolean(); |
| } |
| |
| @Override |
| public void toData(DataOutput out, |
| SerializationContext context) throws IOException { |
| super.toData(out, context); |
| out.writeInt(this.bucketId); |
| out.writeBoolean(this.isRebalance); |
| } |
| |
| public static class BecomePrimaryBucketReplyMessage extends ReplyMessage { |
| |
| static final byte NOT_SECONDARY = 0; |
| static final byte OK = 1; |
| |
| private byte responseCode = NOT_SECONDARY; |
| |
| /** |
| * Empty constructor to conform to DataSerializable interface |
| */ |
| public BecomePrimaryBucketReplyMessage() {} |
| |
| public BecomePrimaryBucketReplyMessage(DataInput in) |
| throws IOException, ClassNotFoundException { |
| fromData(in, InternalDataSerializer.createDeserializationContext(in)); |
| } |
| |
| private BecomePrimaryBucketReplyMessage(int processorId, ReplyException re, byte responseCode) { |
| setProcessorId(processorId); |
| setException(re); |
| this.responseCode = responseCode; |
| } |
| |
| /** Send an ack */ |
| public static void send(InternalDistributedMember recipient, int processorId, |
| DistributionManager dm, ReplyException re, byte responseCode) { |
| Assert.assertTrue(recipient != null, "BecomePrimaryBucketReplyMessage NULL recipient"); |
| BecomePrimaryBucketReplyMessage m = |
| new BecomePrimaryBucketReplyMessage(processorId, re, responseCode); |
| m.setRecipient(recipient); |
| dm.putOutgoing(m); |
| } |
| |
| boolean isSuccess() { |
| return this.responseCode == OK; |
| } |
| |
| @Override |
| public void process(final DistributionManager dm, final ReplyProcessor21 processor) { |
| final long startTime = getTimestamp(); |
| if (logger.isTraceEnabled(LogMarker.DM_VERBOSE)) { |
| logger.trace(LogMarker.DM_VERBOSE, |
| "BecomePrimaryBucketReplyMessage process invoking reply processor with processorId:{}", |
| this.processorId); |
| } |
| |
| if (processor == null) { |
| if (logger.isTraceEnabled(LogMarker.DM_VERBOSE)) { |
| logger.trace(LogMarker.DM_VERBOSE, "BecomePrimaryBucketReplyMessage processor not found"); |
| } |
| return; |
| } |
| processor.process(this); |
| |
| if (logger.isTraceEnabled(LogMarker.DM_VERBOSE)) { |
| logger.trace(LogMarker.DM_VERBOSE, "processed {}", this); |
| } |
| dm.getStats().incReplyMessageTime(NanoTimer.getTime() - startTime); |
| } |
| |
| @Override |
| public void toData(DataOutput out, |
| SerializationContext context) throws IOException { |
| super.toData(out, context); |
| out.writeByte(responseCode); |
| } |
| |
| @Override |
| public int getDSFID() { |
| return PR_BECOME_PRIMARY_BUCKET_REPLY; |
| } |
| |
| @Override |
| public void fromData(DataInput in, |
| DeserializationContext context) throws IOException, ClassNotFoundException { |
| super.fromData(in, context); |
| this.responseCode = in.readByte(); |
| } |
| |
| @Override |
| public String toString() { |
| StringBuffer sb = new StringBuffer(); |
| sb.append("BecomePrimaryBucketReplyMessage ").append("processorid=").append(this.processorId) |
| .append(" reply to sender ").append(this.getSender()).append(" returning responseCode=") |
| .append(this.responseCode); |
| return sb.toString(); |
| } |
| } |
| |
| /** |
| * A processor to capture the value returned by BecomePrimaryBucketReplyMessage. |
| */ |
| public static class BecomePrimaryBucketResponse extends PartitionResponse { |
| |
| private volatile boolean success; |
| |
| public BecomePrimaryBucketResponse(InternalDistributedSystem ds, |
| InternalDistributedMember recipient, PartitionedRegion theRegion) { |
| super(ds, recipient); |
| } |
| |
| @Override |
| public void process(DistributionMessage msg) { |
| try { |
| if (msg instanceof BecomePrimaryBucketReplyMessage) { |
| BecomePrimaryBucketReplyMessage reply = (BecomePrimaryBucketReplyMessage) msg; |
| this.success = reply.isSuccess(); |
| if (reply.isSuccess()) { |
| if (logger.isTraceEnabled(LogMarker.DM_VERBOSE)) { |
| logger.trace(LogMarker.DM_VERBOSE, "BecomePrimaryBucketResponse return OK"); |
| } |
| } else if (logger.isTraceEnabled(LogMarker.DM_VERBOSE)) { |
| logger.trace(LogMarker.DM_VERBOSE, "BecomePrimaryBucketResponse return NOT_PRIMARY"); |
| } |
| } |
| } finally { |
| super.process(msg); |
| } |
| } |
| |
| /** |
| * Ignore any incoming exception from other VMs, we just want an acknowledgement that the |
| * message was processed. |
| */ |
| @Override |
| protected void processException(ReplyException ex) { |
| logger.debug("BecomePrimaryBucketMessage ignoring exception {}", ex.getMessage(), ex); |
| } |
| |
| /** |
| * @return true if recipient successfully became or was already the primary |
| */ |
| public boolean waitForResponse() { |
| waitForRepliesUninterruptibly(); |
| return this.success; |
| } |
| } |
| |
| } |