| /* |
| * 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.geode.CancelException; |
| import org.apache.geode.DataSerializer; |
| import org.apache.geode.cache.CacheException; |
| import org.apache.geode.cache.query.QueryException; |
| import org.apache.geode.distributed.internal.ClusterDistributionManager; |
| import org.apache.geode.distributed.internal.DistributionConfig; |
| import org.apache.geode.distributed.internal.DistributionManager; |
| import org.apache.geode.distributed.internal.OperationExecutors; |
| import org.apache.geode.distributed.internal.ReplyProcessor21; |
| import org.apache.geode.internal.SystemTimer; |
| import org.apache.geode.internal.cache.DistributedRegion; |
| import org.apache.geode.internal.cache.ForceReattemptException; |
| import org.apache.geode.internal.cache.PartitionedRegion; |
| import org.apache.geode.internal.cache.PartitionedRegionHelper; |
| import org.apache.geode.internal.serialization.DeserializationContext; |
| import org.apache.geode.internal.serialization.SerializationContext; |
| |
| /** |
| * PRSanityCheckMessage is used to assert correctness of prID assignments across the distributed |
| * system. |
| * |
| * |
| */ |
| public class PRSanityCheckMessage extends PartitionMessage { |
| |
| private String regionName; |
| |
| |
| public PRSanityCheckMessage() { |
| super(); |
| } |
| |
| /** |
| * @param recipients the recipients of the message |
| * @param prId the prid of the region |
| * @param processor the reply processor, if you expect an answer (don't!) |
| * @param regionName the regionIdentifier string |
| */ |
| public PRSanityCheckMessage(Set recipients, int prId, ReplyProcessor21 processor, |
| String regionName) { |
| super(recipients, prId, processor); |
| this.regionName = regionName; |
| } |
| |
| |
| @Override |
| public boolean isSevereAlertCompatible() { |
| // allow forced-disconnect processing for all cache op messages |
| return true; |
| } |
| |
| @Override |
| protected void appendFields(StringBuilder buff) { |
| super.appendFields(buff); |
| buff.append(" regionName=").append(this.regionName); |
| } |
| |
| @Override |
| public int getDSFID() { |
| return PR_SANITY_CHECK_MESSAGE; |
| } |
| |
| @Override |
| public void fromData(DataInput in, |
| DeserializationContext context) throws IOException, ClassNotFoundException { |
| super.fromData(in, context); |
| this.regionName = DataSerializer.readString(in); |
| } |
| |
| @Override |
| public void toData(DataOutput out, |
| SerializationContext context) throws IOException { |
| super.toData(out, context); |
| DataSerializer.writeString(this.regionName, out); |
| } |
| |
| /** |
| * Send a sanity check message and schedule a timer to send another one in |
| * gemfire.PRSanityCheckInterval (default 5000) milliseconds. This can be enabled with |
| * gemfire.PRSanityCheckEnabled=true. |
| */ |
| public static void schedule(final PartitionedRegion pr) { |
| if (!Boolean.getBoolean(DistributionConfig.GEMFIRE_PREFIX + "PRSanityCheckDisabled")) { |
| final DistributionManager dm = pr.getDistributionManager(); |
| // RegionAdvisor ra = pr.getRegionAdvisor(); |
| // final Set recipients = ra.adviseAllPRNodes(); |
| DistributedRegion prRoot = |
| (DistributedRegion) PartitionedRegionHelper.getPRRoot(pr.getCache(), false); |
| if (prRoot == null) { |
| return; |
| } |
| final Set recipients = prRoot.getDistributionAdvisor().adviseGeneric(); |
| if (recipients.size() <= 0) { |
| return; |
| } |
| final PRSanityCheckMessage delayedInstance = |
| new PRSanityCheckMessage(recipients, pr.getPRId(), null, pr.getRegionIdentifier()); |
| delayedInstance.setTransactionDistributed(pr.getCache().getTxManager().isDistributed()); |
| PRSanityCheckMessage instance = |
| new PRSanityCheckMessage(recipients, pr.getPRId(), null, pr.getRegionIdentifier()); |
| instance.setTransactionDistributed(pr.getCache().getTxManager().isDistributed()); |
| dm.putOutgoing(instance); |
| int sanityCheckInterval = Integer |
| .getInteger(DistributionConfig.GEMFIRE_PREFIX + "PRSanityCheckInterval", 5000).intValue(); |
| if (sanityCheckInterval != 0) { |
| final SystemTimer tm = new SystemTimer(dm.getSystem(), true); |
| SystemTimer.SystemTimerTask st = new SystemTimer.SystemTimerTask() { |
| @Override |
| public void run2() { |
| try { |
| if (!pr.isLocallyDestroyed && !pr.isClosed && !pr.isDestroyed()) { |
| dm.putOutgoing(delayedInstance); |
| } |
| } catch (CancelException cce) { |
| // cache is closed - can't send the message |
| } finally { |
| tm.cancel(); |
| } |
| } |
| }; |
| tm.schedule(st, sanityCheckInterval); |
| } |
| } |
| } |
| |
| @Override |
| public int getProcessorType() { |
| return OperationExecutors.HIGH_PRIORITY_EXECUTOR; |
| } |
| |
| /** |
| * completely override process() from PartitionMessage. This message doesn't operate on a specific |
| * partitioned region, so the superclass impl doesn't make any sense to it. |
| * |
| * @param dm the distribution manager to use |
| */ |
| @Override |
| public void process(ClusterDistributionManager dm) { |
| PartitionedRegion.validatePRID(getSender(), this.regionId, this.regionName); |
| } |
| |
| @Override |
| protected boolean operateOnPartitionedRegion(ClusterDistributionManager dm, PartitionedRegion pr, |
| long startTime) |
| throws CacheException, QueryException, ForceReattemptException, InterruptedException { |
| return false; |
| } |
| |
| } |