| /* |
| * 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.distributed.internal; |
| |
| import java.io.DataInput; |
| import java.io.DataOutput; |
| import java.io.IOException; |
| import java.util.HashSet; |
| import java.util.Map; |
| import java.util.Set; |
| import java.util.concurrent.ThreadPoolExecutor; |
| |
| import org.apache.logging.log4j.Logger; |
| |
| import org.apache.geode.DataSerializer; |
| import org.apache.geode.distributed.DistributedMember; |
| import org.apache.geode.distributed.internal.membership.InternalDistributedMember; |
| import org.apache.geode.internal.Assert; |
| import org.apache.geode.internal.OSProcess; |
| import org.apache.geode.internal.logging.LogService; |
| |
| /** |
| * A message that is sent to a given collection of managers and then awaits replies. It is used by |
| * some tests to flush the unordered communication channels after no-ack tests. |
| * <p> |
| * On the receiving end, the message will wait for the high priority queue to drain before sending a |
| * reply. This guarantees that all high priority messages have been received and applied to the |
| * cache. Their reply messages may not necessarily have been sent back or processed (if they have |
| * any). |
| * |
| * @since GemFire 5.1 |
| */ |
| public class HighPriorityAckedMessage extends HighPriorityDistributionMessage |
| implements MessageWithReply { |
| private static final Logger logger = LogService.getLogger(); |
| |
| /** The is of the distribution manager that sent the message */ |
| private InternalDistributedMember id; |
| private int processorId; |
| private operationType op; |
| |
| static enum operationType { |
| DRAIN_POOL, DUMP_STACK |
| }; |
| |
| transient ClusterDistributionManager originDm; |
| private transient ReplyProcessor21 rp; |
| private boolean useNative; |
| |
| public HighPriorityAckedMessage() { |
| super(); |
| InternalDistributedSystem ds = InternalDistributedSystem.getAnyInstance(); |
| if (ds != null) { |
| this.originDm = (ClusterDistributionManager) ds.getDistributionManager(); |
| } |
| if (this.originDm != null) { |
| this.id = this.originDm.getDistributionManagerId(); |
| } |
| } |
| |
| /** |
| * Request stack dumps. This does not wait for responses. If useNative is true we attempt to use |
| * OSProcess native code and null is returned. Otherwise we use a thread mx bean to generate the |
| * traces. If returnStacks is true the stacks are not logged but are returned in a map in gzipped |
| * form. |
| */ |
| public Map<InternalDistributedMember, byte[]> dumpStacks(Set recipients, |
| @SuppressWarnings("hiding") boolean useNative, boolean returnStacks) { |
| this.op = operationType.DUMP_STACK; |
| this.useNative = useNative; |
| Set recips = new HashSet(recipients); |
| DistributedMember me = originDm.getDistributionManagerId(); |
| if (recips.contains(me)) { |
| recips.remove(me); |
| } |
| CollectingReplyProcessor<byte[]> cp = null; |
| if (returnStacks) { |
| cp = new CollectingReplyProcessor<byte[]>(originDm, recips); |
| this.processorId = cp.getProcessorId(); |
| } |
| originDm.putOutgoing(this); |
| if (cp != null) { |
| try { |
| cp.waitForReplies(); |
| } catch (InterruptedException e) { |
| Thread.currentThread().interrupt(); |
| } |
| return cp.getResults(); |
| } |
| return null; |
| } |
| |
| /** |
| * send the message and wait for replies |
| * |
| * @param recipients the destination manager ids |
| * @param multicast whether to use multicast or unicast |
| * @throws InterruptedException if the operation is interrupted (as by shutdown) |
| * @throws ReplyException if an exception was sent back by another manager |
| */ |
| public void send(Set recipients, boolean multicast) throws InterruptedException, ReplyException { |
| if (Thread.interrupted()) { |
| throw new InterruptedException(); |
| } |
| this.op = operationType.DRAIN_POOL; |
| Set recips = new HashSet(recipients); |
| DistributedMember me = originDm.getDistributionManagerId(); |
| if (recips.contains(me)) { |
| recips.remove(me); |
| } |
| rp = new ReplyProcessor21(originDm, recips); |
| processorId = rp.getProcessorId(); |
| setRecipients(recips); |
| setMulticast(multicast); |
| originDm.putOutgoing(this); |
| |
| rp.waitForReplies(); |
| } |
| |
| |
| /** |
| * Sets the id of the distribution manager that is shutting down |
| */ |
| void setDistributionManagerId(InternalDistributedMember id) { |
| this.id = id; |
| } |
| |
| /** set the reply processor id that's used to wait for acknowledgements */ |
| public void setProcessorId(int pid) { |
| processorId = pid; |
| } |
| |
| /** return the reply processor id that's used to wait for acknowledgements */ |
| @Override |
| public int getProcessorId() { |
| return processorId; |
| } |
| |
| /** |
| * Adds the distribution manager that is started up to the current DM's list of members. |
| * |
| * This method is invoked on the receiver side |
| */ |
| @Override |
| protected void process(ClusterDistributionManager dm) { |
| switch (this.op) { |
| case DRAIN_POOL: |
| Assert.assertTrue(this.id != null); |
| // wait 10 seconds for the high priority queue to drain |
| long endTime = System.currentTimeMillis() + 10000; |
| ThreadPoolExecutor pool = (ThreadPoolExecutor) dm.getHighPriorityThreadPool(); |
| while (pool.getActiveCount() > 1 && System.currentTimeMillis() < endTime) { |
| boolean interrupted = Thread.interrupted(); |
| try { |
| Thread.sleep(500); |
| } catch (InterruptedException ie) { |
| interrupted = true; |
| dm.getCancelCriterion().checkCancelInProgress(ie); |
| // if interrupted, we must be shutting down |
| return; |
| } finally { |
| if (interrupted) |
| Thread.currentThread().interrupt(); |
| } |
| } |
| if (pool.getActiveCount() > 1) { |
| |
| logger.warn( |
| "{}: There are still {} other threads active in the high priority thread pool.", |
| new Object[] {this, Integer.valueOf(pool.getActiveCount() - 1)}); |
| } |
| ReplyMessage.send(getSender(), processorId, null, dm); |
| break; |
| case DUMP_STACK: |
| if (this.processorId > 0) { |
| try { |
| byte[] zippedStacks = OSProcess.zipStacks(); |
| ReplyMessage.send(getSender(), processorId, zippedStacks, dm); |
| } catch (IOException e) { |
| ReplyMessage.send(getSender(), processorId, new ReplyException(e), dm); |
| } |
| } else { |
| OSProcess.printStacks(0, this.useNative); |
| } |
| } |
| } |
| |
| @Override |
| public int getDSFID() { |
| return HIGH_PRIORITY_ACKED_MESSAGE; |
| } |
| |
| @Override |
| public void toData(DataOutput out) throws IOException { |
| super.toData(out); |
| out.writeInt(processorId); |
| out.writeInt(this.op.ordinal()); |
| out.writeBoolean(this.useNative); |
| DataSerializer.writeObject(this.id, out); |
| } |
| |
| @Override |
| public void fromData(DataInput in) throws IOException, ClassNotFoundException { |
| |
| super.fromData(in); |
| processorId = in.readInt(); |
| this.op = operationType.values()[in.readInt()]; |
| this.useNative = in.readBoolean(); |
| this.id = (InternalDistributedMember) DataSerializer.readObject(in); |
| } |
| |
| @Override |
| public String toString() { |
| return "<HighPriorityAckedMessage from=" + this.id + ";processorId=" + this.processorId + ">"; |
| } |
| |
| } |