| /* |
| * 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.Arrays; |
| import java.util.HashSet; |
| 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.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.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; |
| |
| public class FetchPartitionDetailsMessage extends PartitionMessage { |
| |
| private static final Logger logger = LogService.getLogger(); |
| |
| private volatile boolean internal; |
| private LoadProbe loadProbe; |
| private boolean fetchOfflineMembers; |
| |
| /** |
| * Empty constructor to satisfy {@link DataSerializer} requirements |
| */ |
| public FetchPartitionDetailsMessage() {} |
| |
| private FetchPartitionDetailsMessage(Set<InternalDistributedMember> recipients, int regionId, |
| ReplyProcessor21 processor, boolean internal, boolean fetchOfflineMembers, LoadProbe probe) { |
| super(recipients, regionId, processor); |
| this.internal = internal; |
| this.fetchOfflineMembers = fetchOfflineMembers; |
| this.loadProbe = probe; |
| } |
| |
| /** |
| * Sends a message to fetch {@link org.apache.geode.cache.partition.PartitionMemberInfo |
| * PartitionMemberDetails} for the specified <code>PartitionedRegion</code>. |
| * |
| * @param recipients the members to fetch PartitionMemberDetails from |
| * @param region the PartitionedRegion to fetch member details for |
| * @return the processor used to fetch the PartitionMemberDetails |
| */ |
| public static FetchPartitionDetailsResponse send(Set<InternalDistributedMember> recipients, |
| PartitionedRegion region, boolean internal, boolean fetchOfflineMembers, LoadProbe probe) { |
| |
| Assert.assertTrue(recipients != null && !recipients.isEmpty(), |
| "FetchPartitionDetailsMessage NULL recipient"); |
| |
| FetchPartitionDetailsResponse response = |
| new FetchPartitionDetailsResponse(region.getSystem(), recipients, region); |
| FetchPartitionDetailsMessage msg = new FetchPartitionDetailsMessage(recipients, |
| region.getPRId(), response, internal, fetchOfflineMembers, probe); |
| msg.setTransactionDistributed(region.getCache().getTxManager().isDistributed()); |
| |
| /* Set<InternalDistributedMember> failures = */ |
| region.getDistributionManager().putOutgoing(msg); |
| |
| region.getPrStats().incPartitionMessagesSent(); |
| return response; |
| } |
| |
| public FetchPartitionDetailsMessage(DataInput in) throws IOException, ClassNotFoundException { |
| fromData(in, InternalDataSerializer.createDeserializationContext(in)); |
| } |
| |
| @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 { |
| |
| PartitionMemberInfoImpl details = (PartitionMemberInfoImpl) region.getRedundancyProvider() |
| .buildPartitionMemberDetails(this.internal, this.loadProbe); |
| OfflineMemberDetails offlineDetails; |
| if (this.internal && this.fetchOfflineMembers) { |
| offlineDetails = region.getRedundancyProvider().fetchOfflineMembers(); |
| } else { |
| offlineDetails = new OfflineMemberDetailsImpl(new Set[0]); |
| } |
| region.getPrStats().endPartitionMessagesProcessing(startTime); |
| FetchPartitionDetailsReplyMessage.send(getSender(), getProcessorId(), details, dm, |
| offlineDetails, null); |
| |
| // 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("; internal=").append(this.internal); |
| } |
| |
| @Override |
| public int getDSFID() { |
| return PR_FETCH_PARTITION_DETAILS_MESSAGE; |
| } |
| |
| @Override |
| public void fromData(DataInput in, |
| DeserializationContext context) throws IOException, ClassNotFoundException { |
| super.fromData(in, context); |
| this.internal = in.readBoolean(); |
| this.fetchOfflineMembers = in.readBoolean(); |
| this.loadProbe = (LoadProbe) DataSerializer.readObject(in); |
| } |
| |
| @Override |
| public void toData(DataOutput out, |
| SerializationContext context) throws IOException { |
| super.toData(out, context); |
| out.writeBoolean(this.internal); |
| out.writeBoolean(this.fetchOfflineMembers); |
| DataSerializer.writeObject(loadProbe, out); |
| } |
| |
| public static class FetchPartitionDetailsReplyMessage extends ReplyMessage { |
| |
| static final byte NO_PARTITION = 0; |
| static final byte OK = 1; |
| static final byte OK_INTERNAL = 2; |
| |
| private long configuredMaxMemory; |
| private long size; |
| private int bucketCount; |
| private int primaryCount; |
| private PRLoad prLoad; |
| private long[] bucketSizes; |
| private OfflineMemberDetails offlineDetails; |
| |
| /** |
| * Empty constructor to conform to DataSerializable interface |
| */ |
| public FetchPartitionDetailsReplyMessage() {} |
| |
| public FetchPartitionDetailsReplyMessage(DataInput in) |
| throws IOException, ClassNotFoundException { |
| fromData(in, InternalDataSerializer.createDeserializationContext(in)); |
| } |
| |
| private FetchPartitionDetailsReplyMessage(int processorId, PartitionMemberInfoImpl details, |
| OfflineMemberDetails offlineDetails, ReplyException re) { |
| this.processorId = processorId; |
| |
| this.configuredMaxMemory = details.getConfiguredMaxMemory(); |
| this.size = details.getSize(); |
| this.bucketCount = details.getBucketCount(); |
| this.primaryCount = details.getPrimaryCount(); |
| this.prLoad = details.getPRLoad(); |
| this.bucketSizes = details.getBucketSizes(); |
| this.offlineDetails = offlineDetails; |
| |
| setException(re); |
| } |
| |
| /** |
| * Send an ack |
| * |
| */ |
| public static void send(InternalDistributedMember recipient, int processorId, |
| PartitionMemberInfoImpl details, DistributionManager dm, |
| OfflineMemberDetails offlineDetails, ReplyException re) { |
| Assert.assertTrue(recipient != null, "FetchPartitionDetailsReplyMessage NULL recipient"); |
| FetchPartitionDetailsReplyMessage m = |
| new FetchPartitionDetailsReplyMessage(processorId, details, offlineDetails, re); |
| m.setRecipient(recipient); |
| dm.putOutgoing(m); |
| } |
| |
| @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, |
| "FetchPartitionDetailsReplyMessage process invoking reply processor with processorId: {}", |
| this.processorId); |
| } |
| |
| if (processor == null) { |
| if (logger.isTraceEnabled(LogMarker.DM_VERBOSE)) { |
| logger.trace(LogMarker.DM_VERBOSE, |
| "FetchPartitionDetailsReplyMessage processor not found"); |
| } |
| return; |
| } |
| processor.process(this); |
| |
| if (logger.isTraceEnabled(LogMarker.DM_VERBOSE)) { |
| logger.trace(LogMarker.DM_VERBOSE, "{} processed {}", processor, this); |
| } |
| dm.getStats().incReplyMessageTime(NanoTimer.getTime() - startTime); |
| } |
| |
| InternalPartitionDetails unmarshalPartitionMemberDetails() { |
| if (this.configuredMaxMemory == 0) { |
| return null; |
| } else { |
| if (this.prLoad == null) { |
| return new PartitionMemberInfoImpl(getSender(), this.configuredMaxMemory, this.size, |
| this.bucketCount, this.primaryCount); |
| } else { |
| return new PartitionMemberInfoImpl(getSender(), this.configuredMaxMemory, this.size, |
| this.bucketCount, this.primaryCount, this.prLoad, this.bucketSizes); |
| } |
| } |
| } |
| |
| @Override |
| public void toData(DataOutput out, |
| SerializationContext context) throws IOException { |
| super.toData(out, context); |
| if (this.configuredMaxMemory == 0) { |
| out.writeByte(NO_PARTITION); |
| } else { |
| if (this.prLoad == null) { |
| out.writeByte(OK); |
| } else { |
| out.writeByte(OK_INTERNAL); |
| } |
| |
| out.writeLong(this.configuredMaxMemory); |
| out.writeLong(this.size); |
| out.writeInt(this.bucketCount); |
| out.writeInt(this.primaryCount); |
| if (this.prLoad != null) { |
| InternalDataSerializer.invokeToData(this.prLoad, out); |
| DataSerializer.writeLongArray(this.bucketSizes, out); |
| InternalDataSerializer.invokeToData(offlineDetails, out); |
| } |
| } |
| } |
| |
| @Override |
| public int getDSFID() { |
| return PR_FETCH_PARTITION_DETAILS_REPLY; |
| } |
| |
| @Override |
| public void fromData(DataInput in, |
| DeserializationContext context) throws IOException, ClassNotFoundException { |
| super.fromData(in, context); |
| byte flag = in.readByte(); |
| if (flag != NO_PARTITION) { |
| this.configuredMaxMemory = in.readLong(); |
| this.size = in.readLong(); |
| this.bucketCount = in.readInt(); |
| this.primaryCount = in.readInt(); |
| if (flag == OK_INTERNAL) { |
| this.prLoad = PRLoad.createFromDataInput(in); |
| this.bucketSizes = DataSerializer.readLongArray(in); |
| this.offlineDetails = new OfflineMemberDetailsImpl(); |
| InternalDataSerializer.invokeFromData(this.offlineDetails, in); |
| } |
| } |
| } |
| |
| @Override |
| public String toString() { |
| StringBuffer sb = new StringBuffer(); |
| sb.append("FetchPartitionDetailsReplyMessage ").append("processorid=") |
| .append(this.processorId).append(" reply to sender ").append(this.getSender()) |
| .append(" returning configuredMaxMemory=").append(this.configuredMaxMemory) |
| .append(" size=").append(this.size).append(" bucketCount=").append(this.bucketCount) |
| .append(" primaryCount=").append(this.primaryCount).append(" prLoad=").append(this.prLoad) |
| .append(" bucketSizes=").append(Arrays.toString(this.bucketSizes)); |
| return sb.toString(); |
| } |
| } |
| |
| /** |
| * A processor to capture the value returned by |
| * {@link org.apache.geode.internal.cache.partitioned.FetchPartitionDetailsMessage.FetchPartitionDetailsReplyMessage} |
| * |
| */ |
| public static class FetchPartitionDetailsResponse extends PartitionResponse { |
| |
| private final Set<InternalPartitionDetails> allDetails = |
| new HashSet<InternalPartitionDetails>(); |
| private OfflineMemberDetails offlineDetails; |
| |
| final PartitionedRegion partitionedRegion; |
| |
| public FetchPartitionDetailsResponse(InternalDistributedSystem ds, |
| Set<InternalDistributedMember> recipients, PartitionedRegion theRegion) { |
| super(ds, recipients); |
| partitionedRegion = theRegion; |
| } |
| |
| @Override |
| public void process(DistributionMessage msg) { |
| try { |
| if (msg instanceof FetchPartitionDetailsReplyMessage) { |
| FetchPartitionDetailsReplyMessage reply = (FetchPartitionDetailsReplyMessage) msg; |
| InternalPartitionDetails details = reply.unmarshalPartitionMemberDetails(); |
| if (details != null) { |
| synchronized (allDetails) { |
| this.allDetails.add(details); |
| // This just picks the offline details from the last member to return |
| this.offlineDetails = reply.offlineDetails; |
| } |
| if (logger.isTraceEnabled(LogMarker.DM_VERBOSE)) { |
| logger.trace(LogMarker.DM_VERBOSE, |
| "FetchPartitionDetailsResponse return details is {}", details); |
| } |
| } else if (logger.isTraceEnabled(LogMarker.DM_VERBOSE)) { |
| logger.trace(LogMarker.DM_VERBOSE, |
| "FetchPartitionDetailsResponse ignoring null details"); |
| } |
| } |
| } 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("FetchPartitionDetailsResponse ignoring exception {}", ex.getMessage(), ex); |
| } |
| |
| /** |
| * @return set of all PartitionMemberDetails |
| */ |
| public Set<InternalPartitionDetails> waitForResponse() { |
| waitForRepliesUninterruptibly(); |
| synchronized (allDetails) { |
| return this.allDetails; |
| } |
| } |
| |
| public OfflineMemberDetails getOfflineMembers() { |
| return offlineDetails; |
| } |
| } |
| |
| } |