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Apache Geode provides a database-like consistency model, reliable transaction processing and a shared-nothing architecture to maintain very low latency performance with high concurrency processing
/*
* 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;
import java.io.DataInput;
import java.io.DataOutput;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.Iterator;
import java.util.Set;
import org.apache.logging.log4j.Logger;
import org.apache.geode.CancelException;
import org.apache.geode.DataSerializer;
import org.apache.geode.cache.CacheException;
import org.apache.geode.cache.CacheWriterException;
import org.apache.geode.cache.EntryExistsException;
import org.apache.geode.cache.Operation;
import org.apache.geode.cache.TransactionDataNotColocatedException;
import org.apache.geode.distributed.DistributedMember;
import org.apache.geode.distributed.internal.DM;
import org.apache.geode.distributed.internal.DirectReplyProcessor;
import org.apache.geode.distributed.internal.DistributionManager;
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.ReplySender;
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.EntryEventImpl.NewValueImporter;
import org.apache.geode.internal.cache.EntryEventImpl.OldValueImporter;
import org.apache.geode.internal.cache.tier.sockets.ClientProxyMembershipID;
import org.apache.geode.internal.cache.versions.DiskVersionTag;
import org.apache.geode.internal.cache.versions.VersionTag;
import org.apache.geode.internal.i18n.LocalizedStrings;
import org.apache.geode.internal.logging.LogService;
import org.apache.geode.internal.logging.log4j.LocalizedMessage;
import org.apache.geode.internal.logging.log4j.LogMarker;
import org.apache.geode.internal.offheap.StoredObject;
import org.apache.geode.internal.offheap.annotations.Released;
import org.apache.geode.internal.offheap.annotations.Unretained;
import org.apache.geode.internal.util.BlobHelper;
import org.apache.geode.internal.util.Breadcrumbs;
import static org.apache.geode.internal.offheap.annotations.OffHeapIdentifier.ENTRY_EVENT_OLD_VALUE;
import static org.apache.geode.internal.offheap.annotations.OffHeapIdentifier.ENTRY_EVENT_NEW_VALUE;
import static org.apache.geode.internal.cache.DistributedCacheOperation.VALUE_IS_BYTES;
import static org.apache.geode.internal.cache.DistributedCacheOperation.VALUE_IS_SERIALIZED_OBJECT;
import static org.apache.geode.internal.cache.DistributedCacheOperation.VALUE_IS_OBJECT;
/**
* A Replicate Region update message. Meant to be sent only to the peer who hosts transactional
* data.
*
* @since GemFire 6.5
*/
public final class RemotePutMessage extends RemoteOperationMessageWithDirectReply
implements NewValueImporter, OldValueImporter {
private static final Logger logger = LogService.getLogger();
private static final short FLAG_IFNEW = 0x1;
private static final short FLAG_IFOLD = 0x2;
private static final short FLAG_REQUIREOLDVALUE = 0x4;
private static final short FLAG_HASOLDVALUE = 0x8;
private static final short FLAG_HASDELTA = 0x10;
private static final short FLAG_HASDELTABYTES = 0x20;
private static final short FLAG_OLDVALUEISSERIALIZED = 0x40;
private static final short FLAG_USEORIGINREMOTE = 0x80;
private static final short FLAG_POSSIBLEDUPLICATE = 0x100;
/** The key associated with the value that must be sent */
private Object key;
/** The value associated with the key that must be sent */
private byte[] valBytes;
private byte[] oldValBytes;
/**
* Used on sender side only to defer serialization until toData is called.
*/
@Unretained(ENTRY_EVENT_NEW_VALUE)
private transient Object valObj;
@Unretained(ENTRY_EVENT_OLD_VALUE)
private transient Object oldValObj;
/** The callback arg of the operation */
private Object cbArg;
/** The time stamp when the value was created */
protected long lastModified;
/** The operation performed on the sender */
private Operation op;
/**
* An additional object providing context for the operation, e.g., for BridgeServer notification
*/
ClientProxyMembershipID bridgeContext;
/** event identifier */
EventID eventId;
/**
* for relayed messages, this is the sender of the original message. It should be used in
* constructing events for listener notification.
*/
InternalDistributedMember originalSender;
/**
* Indicates if and when the new value should be deserialized on the the receiver. Distinguishes
* between a non-byte[] value that was serialized (DESERIALIZATION_POLICY_LAZY) and a byte[] array
* value that didn't need to be serialized (DESERIALIZATION_POLICY_NONE). While this seems like an
* extra data, it isn't, because serializing a byte[] causes the type (a byte) to be written in
* the stream, AND what's better is that handling this distinction at this level reduces
* processing for values that are byte[].
*/
protected byte deserializationPolicy = DistributedCacheOperation.DESERIALIZATION_POLICY_NONE;
protected boolean oldValueIsSerialized = false;
/**
* whether it's okay to create a new key
*/
private boolean ifNew;
/**
* whether it's okay to update an existing key
*/
private boolean ifOld;
/**
* Whether an old value is required in the response
*/
private boolean requireOldValue;
/**
* For put to happen, the old value must be equal to this expectedOldValue.
*
* @see PartitionedRegion#replace(Object, Object, Object)
*/
private Object expectedOldValue;
private VersionTag versionTag;
private transient InternalDistributedSystem internalDs;
/**
* state from operateOnRegion that must be preserved for transmission from the waiting pool
*/
transient boolean result = false;
private boolean hasOldValue = false;
/** whether value has delta **/
private boolean hasDelta = false;
/** whether new value is formed by applying delta **/
private transient boolean applyDeltaBytes = false;
/** delta bytes read in fromData that will be used in operate() */
private transient byte[] deltaBytes;
/** whether to send delta or full value **/
private transient boolean sendDelta = false;
private EntryEventImpl event = null;
private boolean useOriginRemote;
private boolean possibleDuplicate;
private Collection cacheOpRecipients;
protected static final short IF_NEW = UNRESERVED_FLAGS_START;
protected static final short IF_OLD = (IF_NEW << 1);
protected static final short REQUIRED_OLD_VAL = (IF_OLD << 1);
protected static final short HAS_OLD_VAL = (REQUIRED_OLD_VAL << 1);
protected static final short HAS_DELTA_BYTES = (HAS_OLD_VAL << 1);
protected static final short USE_ORIGIN_REMOTE = (HAS_DELTA_BYTES << 1);
protected static final short CACHE_WRITE = (USE_ORIGIN_REMOTE << 1);
protected static final short HAS_EXPECTED_OLD_VAL = (CACHE_WRITE << 1);
// below flags go into deserializationPolicy
protected static final int HAS_BRIDGE_CONTEXT =
getNextByteMask(DistributedCacheOperation.DESERIALIZATION_POLICY_END);
protected static final int HAS_ORIGINAL_SENDER = getNextByteMask(HAS_BRIDGE_CONTEXT);
protected static final int HAS_VERSION_TAG = getNextByteMask(HAS_ORIGINAL_SENDER);
protected static final int HAS_CALLBACKARG = getNextByteMask(HAS_VERSION_TAG);
/**
* Empty constructor to satisfy {@link DataSerializer}requirements
*/
public RemotePutMessage() {}
private RemotePutMessage(Set recipients, String regionPath, DirectReplyProcessor processor,
EntryEventImpl event, final long lastModified, boolean ifNew, boolean ifOld,
Object expectedOldValue, boolean requireOldValue, boolean useOriginRemote, int processorType,
boolean possibleDuplicate) {
super(recipients, regionPath, processor);
this.processor = processor;
this.requireOldValue = requireOldValue;
this.expectedOldValue = expectedOldValue;
this.useOriginRemote = useOriginRemote;
this.key = event.getKey();
this.processorType = processorType;
this.possibleDuplicate = possibleDuplicate;
// useOriginRemote is true for TX single hops only as of now.
event.setOriginRemote(useOriginRemote);
if (event.hasNewValue()) {
this.deserializationPolicy = DistributedCacheOperation.DESERIALIZATION_POLICY_LAZY;
event.exportNewValue(this);
} else {
// assert that if !event.hasNewValue, then deserialization policy is NONE
assert this.deserializationPolicy == DistributedCacheOperation.DESERIALIZATION_POLICY_NONE : this.deserializationPolicy;
}
// added for cqs on Bridge Servers. rdubey
if (event.hasOldValue()) {
this.hasOldValue = true;
event.exportOldValue(this);
}
this.event = event;
this.cbArg = event.getRawCallbackArgument();
this.lastModified = lastModified;
this.op = event.getOperation();
this.bridgeContext = event.getContext();
this.eventId = event.getEventId();
Assert.assertTrue(this.eventId != null);
this.ifNew = ifNew;
this.ifOld = ifOld;
this.versionTag = event.getVersionTag();
}
/**
* this is similar to send() but it selects an initialized replicate that is used to proxy the
* message
*
* @param event represents the current operation
* @param lastModified lastModified time
* @param ifNew whether a new entry can be created
* @param ifOld whether an old entry can be used (updates are okay)
* @param expectedOldValue the value being overwritten is required to match this value
* @param requireOldValue whether the old value should be returned
* @param onlyPersistent send message to persistent members only
* @return whether the message was successfully distributed to another member
*/
public static boolean distribute(EntryEventImpl event, long lastModified, boolean ifNew,
boolean ifOld, Object expectedOldValue, boolean requireOldValue, boolean onlyPersistent) {
boolean successful = false;
DistributedRegion r = (DistributedRegion) event.getRegion();
Collection replicates = onlyPersistent
? r.getCacheDistributionAdvisor().adviseInitializedPersistentMembers().keySet()
: r.getCacheDistributionAdvisor().adviseInitializedReplicates();
if (replicates.isEmpty()) {
return false;
}
if (replicates.size() > 1) {
ArrayList l = new ArrayList(replicates);
Collections.shuffle(l);
replicates = l;
}
int attempts = 0;
if (logger.isDebugEnabled()) {
logger.debug("performing remote put messaging for {}", event);
}
for (Iterator it = replicates.iterator(); it.hasNext();) {
InternalDistributedMember replicate = it.next();
try {
attempts++;
final boolean posDup = (attempts > 1);
RemotePutResponse response =
send(replicate, event.getRegion(), event, lastModified, ifNew, ifOld, expectedOldValue,
requireOldValue, false, DistributionManager.SERIAL_EXECUTOR, posDup);
PutResult result = response.waitForResult();
event.setOldValue(result.oldValue, true/* force */);
event.setOperation(result.op);
if (result.versionTag != null) {
event.setVersionTag(result.versionTag);
if (event.getRegion().getVersionVector() != null) {
event.getRegion().getVersionVector().recordVersion(result.versionTag.getMemberID(),
result.versionTag);
}
}
event.setInhibitDistribution(true);
return true;
} catch (TransactionDataNotColocatedException enfe) {
throw enfe;
} catch (CancelException e) {
event.getRegion().getCancelCriterion().checkCancelInProgress(e);
} catch (CacheException e) {
if (logger.isDebugEnabled()) {
logger.debug("RemotePutMessage caught CacheException during distribution", e);
}
successful = true; // not a cancel-exception, so don't complain any more about it
} catch (RemoteOperationException e) {
if (logger.isTraceEnabled(LogMarker.DM)) {
logger.trace(LogMarker.DM,
"RemotePutMessage caught an unexpected exception during distribution", e);
}
}
}
return successful;
}
@Override
public boolean isSevereAlertCompatible() {
// allow forced-disconnect processing for all cache op messages
return true;
}
@Override
protected Object clone() throws CloneNotSupportedException {
// TODO Auto-generated method stub
return super.clone();
}
/**
* Sends a ReplicateRegion {@link org.apache.geode.cache.Region#put(Object, Object)} message to
* the recipient
*
* @param recipient the member to which the put message is sent
* @param r the PartitionedRegion for which the put was performed
* @param event the event prompting this message
* @param ifNew whether a new entry must be created
* @param ifOld whether an old entry must be updated (no creates)
* @return the processor used to await acknowledgement that the update was sent, or null to
* indicate that no acknowledgement will be sent
* @throws RemoteOperationException if the peer is no longer available
*/
public static RemotePutResponse txSend(DistributedMember recipient, LocalRegion r,
EntryEventImpl event, final long lastModified, boolean ifNew, boolean ifOld,
Object expectedOldValue, boolean requireOldValue) throws RemoteOperationException {
return send(recipient, r, event, lastModified, ifNew, ifOld, expectedOldValue, requireOldValue,
true, DistributionManager.PARTITIONED_REGION_EXECUTOR, false);
}
/**
* Sends a ReplicateRegion {@link org.apache.geode.cache.Region#put(Object, Object)} message to
* the recipient
*
* @param recipient the member to which the put message is sent
* @param r the PartitionedRegion for which the put was performed
* @param event the event prompting this message
* @param ifNew whether a new entry must be created
* @param ifOld whether an old entry must be updated (no creates)
* @param useOriginRemote whether the receiver should consider the event local or remote
* @param processorType the type of executor to use (e.g.,
* DistributionManager.PARTITIONED_REGION_EXECUTOR)
* @param possibleDuplicate TODO
* @return the processor used to await acknowledgement that the update was sent, or null to
* indicate that no acknowledgement will be sent
* @throws RemoteOperationException if the peer is no longer available
*/
public static RemotePutResponse send(DistributedMember recipient, LocalRegion r,
EntryEventImpl event, final long lastModified, boolean ifNew, boolean ifOld,
Object expectedOldValue, boolean requireOldValue, boolean useOriginRemote, int processorType,
boolean possibleDuplicate) throws RemoteOperationException {
// Assert.assertTrue(recipient != null, "RemotePutMessage NULL recipient"); recipient can be
// null for event notifications
Set recipients = Collections.singleton(recipient);
RemotePutResponse processor =
new RemotePutResponse(r.getSystem(), recipients, event.getKey(), false);
RemotePutMessage m = new RemotePutMessage(recipients, r.getFullPath(), processor, event,
lastModified, ifNew, ifOld, expectedOldValue, requireOldValue, useOriginRemote,
processorType, possibleDuplicate);
m.setInternalDs(r.getSystem());
m.setSendDelta(true);
m.setTransactionDistributed(r.getCache().getTxManager().isDistributed());
processor.setRemotePutMessage(m);
Set failures = r.getDistributionManager().putOutgoing(m);
if (failures != null && failures.size() > 0) {
throw new RemoteOperationException(
LocalizedStrings.RemotePutMessage_FAILED_SENDING_0.toLocalizedString(m));
}
return processor;
}
// public final boolean needsDirectAck()
// {
// return this.directAck;
// }
// final public int getProcessorType() {
// return DistributionManager.PARTITIONED_REGION_EXECUTOR;
// }
public final Object getKey() {
return this.key;
}
public final void setKey(Object key) {
this.key = key;
}
public final byte[] getValBytes() {
return this.valBytes;
}
public final byte[] getOldValueBytes() {
return this.oldValBytes;
}
private void setValBytes(byte[] valBytes) {
this.valBytes = valBytes;
}
private void setOldValBytes(byte[] valBytes) {
this.oldValBytes = valBytes;
}
private Object getOldValObj() {
return this.oldValObj;
}
private void setValObj(@Unretained(ENTRY_EVENT_NEW_VALUE) Object o) {
this.valObj = o;
}
private void setOldValObj(@Unretained(ENTRY_EVENT_OLD_VALUE) Object o) {
this.oldValObj = o;
}
public final Object getCallbackArg() {
return this.cbArg;
}
protected final Operation getOperation() {
return this.op;
}
@Override
public final void setOperation(Operation operation) {
this.op = operation;
}
@Override
public void setCacheOpRecipients(Collection cacheOpRecipients) {
this.cacheOpRecipients = cacheOpRecipients;
}
/**
* sets the instance variable hasOldValue to the giving boolean value.
*/
@Override
public void setHasOldValue(final boolean value) {
this.hasOldValue = value;
}
public int getDSFID() {
return R_PUT_MESSAGE;
}
@Override
public final void fromData(DataInput in) throws IOException, ClassNotFoundException {
super.fromData(in);
setKey(DataSerializer.readObject(in));
final int extraFlags = in.readUnsignedByte();
this.deserializationPolicy =
(byte) (extraFlags & DistributedCacheOperation.DESERIALIZATION_POLICY_MASK);
this.cbArg = DataSerializer.readObject(in);
this.lastModified = in.readLong();
this.op = Operation.fromOrdinal(in.readByte());
if ((extraFlags & HAS_BRIDGE_CONTEXT) != 0) {
this.bridgeContext = DataSerializer.readObject(in);
}
if ((extraFlags & HAS_ORIGINAL_SENDER) != 0) {
this.originalSender = DataSerializer.readObject(in);
}
this.eventId = new EventID();
InternalDataSerializer.invokeFromData(this.eventId, in);
if ((flags & HAS_EXPECTED_OLD_VAL) != 0) {
this.expectedOldValue = DataSerializer.readObject(in);
}
if (this.hasOldValue) {
this.oldValueIsSerialized = (in.readByte() == 1);
setOldValBytes(DataSerializer.readByteArray(in));
}
setValBytes(DataSerializer.readByteArray(in));
if ((flags & HAS_DELTA_BYTES) != 0) {
this.applyDeltaBytes = true;
this.deltaBytes = DataSerializer.readByteArray(in);
}
if ((extraFlags & HAS_VERSION_TAG) != 0) {
this.versionTag = DataSerializer.readObject(in);
}
}
@Override
protected void setFlags(short flags, DataInput in) throws IOException, ClassNotFoundException {
super.setFlags(flags, in);
this.ifNew = (flags & IF_NEW) != 0;
this.ifOld = (flags & IF_OLD) != 0;
this.requireOldValue = (flags & REQUIRED_OLD_VAL) != 0;
this.hasOldValue = (flags & HAS_OLD_VAL) != 0;
this.useOriginRemote = (flags & USE_ORIGIN_REMOTE) != 0;
}
@Override
public EventID getEventID() {
return this.eventId;
}
@Override
public int getProcessorType() {
return this.processorType;
}
@Override
public final void toData(DataOutput out) throws IOException {
this.hasDelta = false;
super.toData(out);
DataSerializer.writeObject(getKey(), out);
int extraFlags = this.deserializationPolicy;
if (this.bridgeContext != null)
extraFlags |= HAS_BRIDGE_CONTEXT;
if (this.originalSender != null)
extraFlags |= HAS_ORIGINAL_SENDER;
if (this.versionTag != null)
extraFlags |= HAS_VERSION_TAG;
out.writeByte(extraFlags);
DataSerializer.writeObject(getCallbackArg(), out);
out.writeLong(this.lastModified);
out.writeByte(this.op.ordinal);
if (this.bridgeContext != null) {
DataSerializer.writeObject(this.bridgeContext, out);
}
if (this.originalSender != null) {
DataSerializer.writeObject(this.originalSender, out);
}
InternalDataSerializer.invokeToData(this.eventId, out);
if (this.expectedOldValue != null) {
DataSerializer.writeObject(this.expectedOldValue, out);
}
// this will be on wire for cqs old value generations.
if (this.hasOldValue) {
out.writeByte(this.oldValueIsSerialized ? 1 : 0);
byte policy = DistributedCacheOperation.valueIsToDeserializationPolicy(oldValueIsSerialized);
DistributedCacheOperation.writeValue(policy, getOldValObj(), getOldValueBytes(), out);
}
DistributedCacheOperation.writeValue(this.deserializationPolicy, this.valObj, getValBytes(),
out);
if (this.event.getDeltaBytes() != null) {
DataSerializer.writeByteArray(this.event.getDeltaBytes(), out);
}
if (this.versionTag != null) {
DataSerializer.writeObject(this.versionTag, out);
}
}
@Override
protected short computeCompressedShort() {
short s = super.computeCompressedShort();
if (this.ifNew)
s |= IF_NEW;
if (this.ifOld)
s |= IF_OLD;
if (this.requireOldValue)
s |= REQUIRED_OLD_VAL;
if (this.hasOldValue)
s |= HAS_OLD_VAL;
if (this.event.getDeltaBytes() != null)
s |= HAS_DELTA_BYTES;
if (this.expectedOldValue != null)
s |= HAS_EXPECTED_OLD_VAL;
if (this.useOriginRemote)
s |= USE_ORIGIN_REMOTE;
if (this.possibleDuplicate)
s |= POS_DUP;
return s;
}
/**
* This method is called upon receipt and make the desired changes to the Replicate Region. Note:
* It is very important that this message does NOT cause any deadlocks as the sender will wait
* indefinitely for the acknowledgement
*/
@Override
protected final boolean operateOnRegion(DistributionManager dm, LocalRegion r, long startTime)
throws EntryExistsException, RemoteOperationException {
this.setInternalDs(r.getSystem());// set the internal DS. Required to
// checked DS level delta-enabled property
// while sending delta
boolean sendReply = true;
InternalDistributedMember eventSender = originalSender;
if (eventSender == null) {
eventSender = getSender();
}
@Released
EntryEventImpl eei = EntryEventImpl.create(r, getOperation(), getKey(), null, /* newValue */
getCallbackArg(),
useOriginRemote, /* originRemote - false to force distribution in buckets */
eventSender, true/* generateCallbacks */, false/* initializeId */);
this.event = eei;
try {
if (this.versionTag != null) {
this.versionTag.replaceNullIDs(getSender());
event.setVersionTag(this.versionTag);
}
this.event.setCausedByMessage(this);
event.setPossibleDuplicate(this.possibleDuplicate);
if (this.bridgeContext != null) {
event.setContext(this.bridgeContext);
}
Assert.assertTrue(eventId != null);
event.setEventId(eventId);
// added for cq procesing
if (this.hasOldValue) {
if (this.oldValueIsSerialized) {
event.setSerializedOldValue(getOldValueBytes());
} else {
event.setOldValue(getOldValueBytes());
}
}
if (this.applyDeltaBytes) {
event.setNewValue(this.valObj);
event.setDeltaBytes(this.deltaBytes);
} else {
switch (this.deserializationPolicy) {
case DistributedCacheOperation.DESERIALIZATION_POLICY_LAZY:
event.setSerializedNewValue(getValBytes());
break;
case DistributedCacheOperation.DESERIALIZATION_POLICY_NONE:
event.setNewValue(getValBytes());
break;
default:
throw new AssertionError("unknown deserialization policy: " + deserializationPolicy);
}
}
try {
// the event must show it's true origin for cachewriter invocation
// event.setOriginRemote(true);
// this.op = r.doCacheWriteBeforePut(event, ifNew); // TODO fix this for bug 37072
result = r.getDataView().putEntry(event, this.ifNew, this.ifOld, this.expectedOldValue,
this.requireOldValue, this.lastModified, true);
if (!this.result) { // make sure the region hasn't gone away
r.checkReadiness();
if (!this.ifNew && !this.ifOld) {
// no reason to be throwing an exception, so let's retry
RemoteOperationException fre = new RemoteOperationException(
LocalizedStrings.RemotePutMessage_UNABLE_TO_PERFORM_PUT_BUT_OPERATION_SHOULD_NOT_FAIL_0
.toLocalizedString());
fre.setHash(key.hashCode());
sendReply(getSender(), getProcessorId(), dm, new ReplyException(fre), r, startTime);
}
}
} catch (CacheWriterException cwe) {
sendReply(getSender(), getProcessorId(), dm, new ReplyException(cwe), r, startTime);
return false;
} catch (PrimaryBucketException pbe) {
sendReply(getSender(), getProcessorId(), dm, new ReplyException(pbe), r, startTime);
return false;
}
setOperation(event.getOperation()); // set operation for reply message
if (sendReply) {
sendReply(getSender(), getProcessorId(), dm, null, r, startTime, event);
}
return false;
} finally {
this.event.release(); // OFFHEAP this may be too soon to make this call
}
}
protected void sendReply(InternalDistributedMember member, int procId, DM dm, ReplyException ex,
LocalRegion pr, long startTime, EntryEventImpl event) {
Collection distributedTo = null;
if (this.processorId != 0) {
// if the sender is waiting for responses from the cache-op message
// we have to send it the actual recipients in case it has a different
// membership view than this VM
distributedTo = this.cacheOpRecipients;
}
PutReplyMessage.send(member, procId, getReplySender(dm), result, getOperation(), ex, this,
event);
}
// override reply message type from PartitionMessage
@Override
protected void sendReply(InternalDistributedMember member, int procId, DM dm, ReplyException ex,
LocalRegion pr, long startTime) {
PutReplyMessage.send(member, procId, getReplySender(dm), result, getOperation(), ex, this,
null);
}
@Override
protected final void appendFields(StringBuffer buff) {
super.appendFields(buff);
buff.append("; key=").append(getKey()).append("; value=");
// buff.append(getValBytes());
buff.append(getValBytes() == null ? this.valObj : "(" + getValBytes().length + " bytes)");
buff.append("; callback=").append(this.cbArg).append("; op=").append(this.op);
if (this.originalSender != null) {
buff.append("; originalSender=").append(originalSender);
}
if (this.bridgeContext != null) {
buff.append("; bridgeContext=").append(this.bridgeContext);
}
if (this.eventId != null) {
buff.append("; eventId=").append(this.eventId);
}
buff.append("; ifOld=").append(this.ifOld).append("; ifNew=").append(this.ifNew).append("; op=")
.append(this.getOperation());
buff.append("; hadOldValue=").append(this.hasOldValue);
if (this.hasOldValue) {
byte[] ov = getOldValueBytes();
if (ov != null) {
buff.append("; oldValueLength=").append(ov.length);
}
}
buff.append("; deserializationPolicy=");
buff.append(
DistributedCacheOperation.deserializationPolicyToString(this.deserializationPolicy));
buff.append("; hasDelta=");
buff.append(this.hasDelta);
buff.append("; sendDelta=");
buff.append(this.sendDelta);
buff.append("; isDeltaApplied=");
buff.append(this.applyDeltaBytes);
}
public final InternalDistributedSystem getInternalDs() {
return internalDs;
}
public final void setInternalDs(InternalDistributedSystem internalDs) {
this.internalDs = internalDs;
}
public static final class PutReplyMessage extends ReplyMessage implements OldValueImporter {
static final byte FLAG_RESULT = 0x01;
static final byte FLAG_HASVERSION = 0x02;
static final byte FLAG_PERSISTENT = 0x04;
/** Result of the Put operation */
boolean result;
/** The Operation actually performed */
Operation op;
/**
* Set to true by the import methods if the oldValue is already serialized. In that case toData
* should just copy the bytes to the stream. In either case fromData just calls readObject.
*/
private transient boolean oldValueIsSerialized;
/**
* Old value in serialized form: either a byte[] or CachedDeserializable, or null if not set.
*/
@Unretained(ENTRY_EVENT_OLD_VALUE)
private Object oldValue;
/**
* version tag for concurrency control
*/
VersionTag versionTag;
@Override
public boolean getInlineProcess() {
return true;
}
/**
* Empty constructor to conform to DataSerializable interface
*/
public PutReplyMessage() {}
// unit tests may call this constructor
PutReplyMessage(int processorId, boolean result, Operation op, ReplyException ex,
Object oldValue, VersionTag versionTag) {
super();
this.op = op;
this.result = result;
setProcessorId(processorId);
setException(ex);
this.oldValue = oldValue;
this.versionTag = versionTag;
}
/** Send an ack */
public static void send(InternalDistributedMember recipient, int processorId, ReplySender dm,
boolean result, Operation op, ReplyException ex, RemotePutMessage sourceMessage,
EntryEventImpl event) {
Assert.assertTrue(recipient != null, "PutReplyMessage NULL recipient");
PutReplyMessage m = new PutReplyMessage(processorId, result, op, ex, null,
event != null ? event.getVersionTag() : null);
if (sourceMessage.requireOldValue && event != null) {
event.exportOldValue(m);
}
m.setRecipient(recipient);
dm.putOutgoing(m);
}
/**
* Processes this message. This method is invoked by the receiver of the message.
*
* @param dm the distribution manager that is processing the message.
*/
@Override
public void process(final DM dm, final ReplyProcessor21 rp) {
final long startTime = getTimestamp();
if (logger.isDebugEnabled()) {
logger.debug("Processing {}", this);
}
if (rp == null) {
if (logger.isDebugEnabled()) {
logger.debug("PutReplyMessage processor not found");
}
return;
}
if (this.versionTag != null) {
this.versionTag.replaceNullIDs(getSender());
}
if (rp instanceof RemotePutResponse) {
RemotePutResponse processor = (RemotePutResponse) rp;
processor.setResponse(this);
}
rp.process(this);
if (logger.isTraceEnabled(LogMarker.DM)) {
logger.trace(LogMarker.DM, "{} processed {}", rp, this);
}
dm.getStats().incReplyMessageTime(NanoTimer.getTime() - startTime);
}
/**
* Return oldValue as a byte[] or as a CachedDeserializable. This method used to deserialize a
* CachedDeserializable but that is too soon. This method is called during message processing.
* The deserialization needs to be deferred until we get back to the application thread which
* happens for this oldValue when they call EntryEventImpl.getOldValue.
*/
public Object getOldValue() {
// oldValue field is in serialized form, either a CachedDeserializable,
// a byte[], or null if not set
return this.oldValue;
}
@Override
public int getDSFID() {
return R_PUT_REPLY_MESSAGE;
}
@Override
public void fromData(DataInput in) throws IOException, ClassNotFoundException {
super.fromData(in);
byte flags = (byte) (in.readByte() & 0xff);
this.result = (flags & FLAG_RESULT) != 0;
this.op = Operation.fromOrdinal(in.readByte());
this.oldValue = DataSerializer.readObject(in);
if ((flags & FLAG_HASVERSION) != 0) {
boolean persistentTag = (flags & FLAG_PERSISTENT) != 0;
this.versionTag = VersionTag.create(persistentTag, in);
}
}
public static void oldValueToData(DataOutput out, Object ov, boolean ovIsSerialized)
throws IOException {
if (ovIsSerialized && ov != null) {
byte[] oldValueBytes;
if (ov instanceof byte[]) {
oldValueBytes = (byte[]) ov;
DataSerializer.writeObject(new VMCachedDeserializable(oldValueBytes), out);
} else if (ov instanceof CachedDeserializable) {
if (ov instanceof StoredObject) {
((StoredObject) ov).sendAsCachedDeserializable(out);
} else {
DataSerializer.writeObject(ov, out);
}
} else {
oldValueBytes = EntryEventImpl.serialize(ov);
DataSerializer.writeObject(new VMCachedDeserializable(oldValueBytes), out);
}
} else {
DataSerializer.writeObject(ov, out);
}
}
@Override
public void toData(DataOutput out) throws IOException {
super.toData(out);
byte flags = 0;
if (this.result)
flags |= FLAG_RESULT;
if (this.versionTag != null)
flags |= FLAG_HASVERSION;
if (this.versionTag instanceof DiskVersionTag)
flags |= FLAG_PERSISTENT;
out.writeByte(flags);
out.writeByte(this.op.ordinal);
oldValueToData(out, getOldValue(), this.oldValueIsSerialized);
if (this.versionTag != null) {
InternalDataSerializer.invokeToData(this.versionTag, out);
}
}
@Override
public String toString() {
StringBuffer sb = new StringBuffer();
sb.append("PutReplyMessage ").append("processorid=").append(this.processorId)
.append(" returning ").append(this.result).append(" op=").append(op).append(" exception=")
.append(getException());
if (this.versionTag != null) {
sb.append(" version=").append(this.versionTag);
}
return sb.toString();
}
@Override
public boolean prefersOldSerialized() {
return true;
}
@Override
public boolean isUnretainedOldReferenceOk() {
return true;
}
@Override
public boolean isCachedDeserializableValueOk() {
return true;
}
@Override
public void importOldObject(@Unretained(ENTRY_EVENT_OLD_VALUE) Object ov,
boolean isSerialized) {
this.oldValueIsSerialized = isSerialized;
this.oldValue = ov;
}
@Override
public void importOldBytes(byte[] ov, boolean isSerialized) {
importOldObject(ov, isSerialized);
}
}
/**
* A processor to capture the value returned by {@link RemotePutMessage}
*
* @since GemFire 5.1
*/
public static class RemotePutResponse extends RemoteOperationResponse {
private volatile boolean returnValue;
private volatile Operation op;
private volatile Object oldValue;
private final Object key;
private RemotePutMessage putMessage;
private VersionTag versionTag;
public RemotePutResponse(InternalDistributedSystem ds, Collection recipients, Object key,
boolean register) {
super(ds, recipients, register);
this.key = key;
}
public void setRemotePutMessage(RemotePutMessage putMessage) {
this.putMessage = putMessage;
}
public RemotePutMessage getRemotePutMessage() {
return this.putMessage;
}
public void setResponse(PutReplyMessage msg) {
this.returnValue = msg.result;
this.op = msg.op;
this.oldValue = msg.getOldValue();
this.versionTag = msg.versionTag;
}
/**
* @return the result of the remote put operation
* @throws RemoteOperationException if the peer is no longer available
* @throws CacheException if the peer generates an error
*/
public PutResult waitForResult() throws CacheException, RemoteOperationException {
try {
waitForCacheException();
} catch (RemoteOperationException e) {
e.checkKey(key);
throw e;
}
if (this.op == null) {
throw new RemoteOperationException(
LocalizedStrings.RemotePutMessage_DID_NOT_RECEIVE_A_VALID_REPLY.toLocalizedString());
}
return new PutResult(this.returnValue, this.op, this.oldValue, this.versionTag);
}
}
public static class PutResult {
/** the result of the put operation */
public boolean returnValue;
/** the actual operation performed (CREATE/UPDATE) */
public Operation op;
/** the old value, or null if not set */
public Object oldValue;
/** the concurrency control version tag */
public VersionTag versionTag;
public PutResult(boolean flag, Operation actualOperation, Object oldValue,
VersionTag versionTag) {
this.returnValue = flag;
this.op = actualOperation;
this.oldValue = oldValue;
this.versionTag = versionTag;
}
}
public void setSendDelta(boolean sendDelta) {
this.sendDelta = sendDelta;
}
@Override
public boolean prefersNewSerialized() {
return true;
}
@Override
public boolean isUnretainedNewReferenceOk() {
return true;
}
private void setDeserializationPolicy(boolean isSerialized) {
if (!isSerialized) {
this.deserializationPolicy = DistributedCacheOperation.DESERIALIZATION_POLICY_NONE;
}
}
@Override
public void importNewObject(@Unretained(ENTRY_EVENT_NEW_VALUE) Object nv, boolean isSerialized) {
setDeserializationPolicy(isSerialized);
setValObj(nv);
}
@Override
public void importNewBytes(byte[] nv, boolean isSerialized) {
setDeserializationPolicy(isSerialized);
setValBytes(nv);
}
@Override
public boolean prefersOldSerialized() {
return true;
}
@Override
public boolean isUnretainedOldReferenceOk() {
return true;
}
@Override
public boolean isCachedDeserializableValueOk() {
return false;
}
private void setOldValueIsSerialized(boolean isSerialized) {
if (isSerialized) {
// Defer serialization until toData is called.
this.oldValueIsSerialized = true; // VALUE_IS_SERIALIZED_OBJECT;
} else {
this.oldValueIsSerialized = false; // VALUE_IS_BYTES;
}
}
public void importOldObject(@Unretained(ENTRY_EVENT_OLD_VALUE) Object ov, boolean isSerialized) {
setOldValueIsSerialized(isSerialized);
// Defer serialization until toData is called.
setOldValObj(ov);
}
@Override
public void importOldBytes(byte[] ov, boolean isSerialized) {
setOldValueIsSerialized(isSerialized);
setOldValBytes(ov);
}
}