/*
* 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.CancelException;
import org.apache.geode.DataSerializer;
import org.apache.geode.distributed.internal.DM;
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.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.NanoTimer;
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.LogService;
import org.apache.geode.internal.logging.log4j.LogMarker;
/**
* Moves the bucket to the recipient's PartitionedRegionDataStore. The recipient will create an
* extra redundant copy of the bucket and then send a {@link RemoveBucketMessage} to the specified
* source for the bucket.
*
* Usage: MoveBucketResponse response = MoveBucketMessage.send( InternalDistributedMember,
* PartitionedRegion, int bucketId); if (response != null && response.waitForResponse()) { // bucket
* was moved }
*
*/
public class MoveBucketMessage extends PartitionMessage {
private static final Logger logger = LogService.getLogger();
private volatile int bucketId;
private volatile InternalDistributedMember source;
/**
* Empty constructor to satisfy {@link DataSerializer} requirements
*/
public MoveBucketMessage() {}
private MoveBucketMessage(InternalDistributedMember recipient, int regionId,
ReplyProcessor21 processor, int bucketId, InternalDistributedMember source) {
super(recipient, regionId, processor);
this.bucketId = bucketId;
this.source = source;
}
/**
* Sends a message to move the bucket from <code>source</code> member to the
* <code>recipient</code> member.
*
* @param recipient the member to move the bucket to
* @param region the PartitionedRegion of the bucket
* @param bucketId the bucket to move
* @param source the member to move the bucket from
* @return the processor used to wait for the response
*/
public static MoveBucketResponse send(InternalDistributedMember recipient,
PartitionedRegion region, int bucketId, InternalDistributedMember source) {
Assert.assertTrue(recipient != null, "MoveBucketMessage NULL recipient");
MoveBucketResponse response = new MoveBucketResponse(region.getSystem(), recipient, region);
MoveBucketMessage msg =
new MoveBucketMessage(recipient, region.getPRId(), response, bucketId, source);
Set<InternalDistributedMember> failures = region.getDistributionManager().putOutgoing(msg);
if (failures != null && failures.size() > 0) {
// throw new ForceReattemptException("Failed sending <" + msg + ">");
return null;
}
region.getPrStats().incPartitionMessagesSent();
return response;
}
public MoveBucketMessage(DataInput in) throws IOException, ClassNotFoundException {
fromData(in);
}
@Override
public boolean isSevereAlertCompatible() {
// allow forced-disconnect processing for all cache op messages
return true;
}
@Override
protected final boolean operateOnPartitionedRegion(DistributionManager dm,
PartitionedRegion region, long startTime) throws ForceReattemptException {
PartitionedRegionDataStore dataStore = region.getDataStore();
boolean moved = dataStore.moveBucket(this.bucketId, this.source, true);
region.getPrStats().endPartitionMessagesProcessing(startTime);
MoveBucketReplyMessage.send(getSender(), getProcessorId(), dm, null, moved);
return false;
}
@Override
protected void appendFields(StringBuffer buff) {
super.appendFields(buff);
buff.append("; bucketId=").append(this.bucketId);
buff.append("; source=").append(this.source);
}
public int getDSFID() {
return PR_MOVE_BUCKET_MESSAGE;
}
@Override
public void fromData(DataInput in) throws IOException, ClassNotFoundException {
super.fromData(in);
this.bucketId = in.readInt();
this.source = (InternalDistributedMember) DataSerializer.readObject(in);
}
@Override
public void toData(DataOutput out) throws IOException {
super.toData(out);
out.writeInt(this.bucketId);
DataSerializer.writeObject(this.source, out);
}
public static final class MoveBucketReplyMessage extends ReplyMessage {
private boolean moved;
/**
* Empty constructor to conform to DataSerializable interface
*/
public MoveBucketReplyMessage() {}
public MoveBucketReplyMessage(DataInput in) throws IOException, ClassNotFoundException {
fromData(in);
}
private MoveBucketReplyMessage(int processorId, ReplyException re, boolean moved) {
this.processorId = processorId;
this.moved = moved;
setException(re);
}
/** Send a reply */
public static void send(InternalDistributedMember recipient, int processorId, DM dm,
ReplyException re, boolean moved) {
Assert.assertTrue(recipient != null, "MoveBucketReplyMessage NULL recipient");
MoveBucketReplyMessage m = new MoveBucketReplyMessage(processorId, re, moved);
m.setRecipient(recipient);
dm.putOutgoing(m);
}
boolean moved() {
return this.moved;
}
@Override
public void process(final DM dm, final ReplyProcessor21 processor) {
final long startTime = getTimestamp();
if (logger.isTraceEnabled(LogMarker.DM)) {
logger.trace(LogMarker.DM,
"MoveBucketReplyMessage process invoking reply processor with processorId: {}",
this.processorId);
}
if (processor == null) {
if (logger.isTraceEnabled(LogMarker.DM)) {
logger.trace(LogMarker.DM, "MoveBucketReplyMessage processor not found");
}
return;
}
processor.process(this);
if (logger.isTraceEnabled(LogMarker.DM)) {
logger.trace(LogMarker.DM, "{} processed {}", processor, this);
}
dm.getStats().incReplyMessageTime(NanoTimer.getTime() - startTime);
}
@Override
public void toData(DataOutput out) throws IOException {
super.toData(out);
out.writeBoolean(this.moved);
}
@Override
public int getDSFID() {
return PR_MOVE_BUCKET_REPLY;
}
@Override
public void fromData(DataInput in) throws IOException, ClassNotFoundException {
super.fromData(in);
this.moved = in.readBoolean();
}
@Override
public String toString() {
StringBuffer sb = new StringBuffer();
sb.append("MoveBucketReplyMessage ").append("processorid=").append(this.processorId)
.append(" moved=").append(this.moved).append(" reply to sender ")
.append(this.getSender());
return sb.toString();
}
}
/**
* A processor to capture the value returned by the <code>MoveBucketReplyMessage</code>
*/
public static class MoveBucketResponse extends PartitionResponse {
private volatile boolean moved = false;
public MoveBucketResponse(InternalDistributedSystem ds, InternalDistributedMember recipient,
PartitionedRegion theRegion) {
super(ds, recipient);
}
@Override
public void process(DistributionMessage msg) {
try {
if (msg instanceof MoveBucketReplyMessage) {
MoveBucketReplyMessage reply = (MoveBucketReplyMessage) msg;
this.moved = reply.moved();
if (logger.isTraceEnabled(LogMarker.DM)) {
logger.trace(LogMarker.DM, "MoveBucketResponse is {}", moved);
}
}
} 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("MoveBucketMessage ignoring exception: {}", ex.getMessage(), ex);
}
public boolean waitForResponse() {
try {
waitForRepliesUninterruptibly();
} catch (ReplyException e) {
Throwable t = e.getCause();
if (t instanceof CancelException) {
String msg = "MoveBucketMessage got remote cancellation,";
logger.debug(msg, t);
return false;
}
if (t instanceof PRLocallyDestroyedException) {
String msg = "MoveBucketMessage got local destroy on the PartitionRegion ";
logger.debug(msg, t);
return false;
}
if (t instanceof ForceReattemptException) {
String msg =
"MoveBucketMessage got ForceReattemptException due to local destroy on the PartitionRegion";
logger.debug(msg, t);
return false;
}
e.handleAsUnexpected();
}
return this.moved;
}
}
}