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com.gemstone.gemfire.internal.cache.tier.sockets.command.Put65 Maven / Gradle / Ivy
/*
* Copyright (c) 2010-2015 Pivotal Software, Inc. All rights reserved.
*
* Licensed 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. See accompanying
* LICENSE file.
*/
/**
*
*/
package com.gemstone.gemfire.internal.cache.tier.sockets.command;
import java.io.DataOutput;
import java.io.DataOutputStream;
import java.io.IOException;
import java.nio.ByteBuffer;
import com.gemstone.gemfire.InvalidDeltaException;
import com.gemstone.gemfire.cache.DynamicRegionFactory;
import com.gemstone.gemfire.cache.Operation;
import com.gemstone.gemfire.cache.RegionDestroyedException;
import com.gemstone.gemfire.cache.ResourceException;
import com.gemstone.gemfire.cache.operations.PutOperationContext;
import com.gemstone.gemfire.distributed.internal.DistributionStats;
import com.gemstone.gemfire.internal.HeapDataOutputStream;
import com.gemstone.gemfire.internal.InternalDataSerializer;
import com.gemstone.gemfire.internal.cache.CachedDeserializable;
import com.gemstone.gemfire.internal.cache.EntryEventImpl;
import com.gemstone.gemfire.internal.cache.EventID;
import com.gemstone.gemfire.internal.cache.LocalRegion;
import com.gemstone.gemfire.internal.cache.PartitionedRegion;
import com.gemstone.gemfire.internal.cache.TXManagerImpl;
import com.gemstone.gemfire.internal.cache.Token;
import com.gemstone.gemfire.internal.cache.tier.CachedRegionHelper;
import com.gemstone.gemfire.internal.cache.tier.Command;
import com.gemstone.gemfire.internal.cache.tier.MessageType;
import com.gemstone.gemfire.internal.cache.tier.sockets.BaseCommand;
import com.gemstone.gemfire.internal.cache.tier.sockets.CacheServerStats;
import com.gemstone.gemfire.internal.cache.tier.sockets.Message;
import com.gemstone.gemfire.internal.cache.tier.sockets.Part;
import com.gemstone.gemfire.internal.cache.tier.sockets.ServerConnection;
import com.gemstone.gemfire.internal.cache.versions.VersionTag;
import com.gemstone.gemfire.internal.i18n.LocalizedStrings;
import com.gemstone.gemfire.internal.security.AuthorizeRequest;
import com.gemstone.gemfire.internal.shared.Version;
import com.gemstone.gemfire.internal.util.Breadcrumbs;
import com.gemstone.gemfire.security.GemFireSecurityException;
/**
* @since 6.5
*/
public class Put65 extends BaseCommand {
private final static Put65 singleton = new Put65();
public static Command getCommand() {
return singleton;
}
protected Put65() {
}
@Override
public void cmdExecute(Message msg, ServerConnection servConn, long p_start)
throws IOException, InterruptedException {
long start = p_start;
Part regionNamePart = null, keyPart = null, valuePart = null, callbackArgPart = null;
String regionName = null;
Object callbackArg = null, key = null;
Part eventPart = null;
boolean isDelta = false;
CachedRegionHelper crHelper = servConn.getCachedRegionHelper();
CacheServerStats stats = servConn.getCacheServerStats();
if (crHelper.emulateSlowServer() > 0) {
boolean interrupted = Thread.interrupted();
try {
Thread.sleep(crHelper.emulateSlowServer());
}
catch (InterruptedException ugh) {
interrupted = true;
}
finally {
if (interrupted) {
Thread.currentThread().interrupt();
}
}
}
// requiresResponse = true;
servConn.setAsTrue(REQUIRES_RESPONSE);
{
long oldStart = start;
start = DistributionStats.getStatTime();
stats.incReadPutRequestTime(start - oldStart);
}
// Retrieve the data from the message parts
int idx = 0;
regionNamePart = msg.getPart(idx++);
Operation operation;
try {
operation = (Operation)msg.getPart(idx++).getObject();
if (operation == null) { // native clients send a null since the op is java-serialized
operation = Operation.UPDATE;
}
} catch (ClassNotFoundException e) {
writeException(msg, e, false, servConn);
servConn.setAsTrue(RESPONDED);
return;
}
int flags = msg.getPart(idx++).getInt();
boolean requireOldValue = ((flags & 0x01) == 0x01);
boolean haveExpectedOldValue = ((flags & 0x02) == 0x02);
Object expectedOldValue = null;
if (haveExpectedOldValue) {
try {
expectedOldValue = msg.getPart(idx++).getObject();
} catch (ClassNotFoundException e) {
writeException(msg, e, false, servConn);
servConn.setAsTrue(RESPONDED);
return;
}
}
keyPart = msg.getPart(idx++);
try {
isDelta = ((Boolean)msg.getPart(idx).getObject()).booleanValue();
idx += 1;
}
catch (Exception e) {
writeException(msg, MessageType.PUT_DELTA_ERROR, e, false, servConn);
servConn.setAsTrue(RESPONDED);
// CachePerfStats not available here.
return;
}
valuePart = msg.getPart(idx++);
eventPart = msg.getPart(idx++);
if (msg.getNumberOfParts() > idx) {
callbackArgPart = msg.getPart(idx++);
try {
callbackArg = callbackArgPart.getObject();
}
catch (Exception e) {
writeException(msg, e, false, servConn);
servConn.setAsTrue(RESPONDED);
return;
}
}
regionName = regionNamePart.getString();
try {
key = keyPart.getStringOrObject();
}
catch (Exception e) {
writeException(msg, e, false, servConn);
servConn.setAsTrue(RESPONDED);
return;
}
if (logger.fineEnabled()) {
logger.fine(servConn.getName() + ": Received "
+ (isDelta ? " delta " : " ") + "put request ("
+ msg.getPayloadLength() + " bytes) from "
+ servConn.getSocketString() + " for region " + regionName + " key "
+ key + " txId " + msg.getTransactionId() + " posdup: " + msg.isRetry());
}
// Process the put request
if (key == null || regionName == null) {
StringBuilder errMessage = new StringBuilder();
if (key == null) {
String putMsg = " The input key for the put request is null";
if (logger.warningEnabled())
logger.fine(servConn.getName() + ":" + putMsg);
errMessage.append(putMsg);
}
if (regionName == null) {
String putMsg = " The input region name for the put request is null";
if (logger.warningEnabled())
logger.fine(servConn.getName() + ":" + putMsg);
errMessage.append(putMsg);
}
writeErrorResponse(msg, MessageType.PUT_DATA_ERROR,
errMessage.toString(), servConn);
servConn.setAsTrue(RESPONDED);
}
else {
LocalRegion region = (LocalRegion)crHelper.getRegion(regionName);
if (region == null) {
String reason = " was not found during put request";
writeRegionDestroyedEx(msg, regionName, reason, servConn);
servConn.setAsTrue(RESPONDED);
}
else if (valuePart.isNull() && operation != Operation.PUT_IF_ABSENT && region.containsKey(key)) {
// Invalid to 'put' a null value in an existing key
String putMsg = " Attempted to put a null value for existing key "
+ key;
if (logger.infoEnabled())
logger.fine(servConn.getName() + ":" + putMsg);
StringBuilder errMessage = new StringBuilder();
errMessage.append(putMsg);
writeErrorResponse(msg, MessageType.PUT_DATA_ERROR, errMessage
.toString(), servConn);
servConn.setAsTrue(RESPONDED);
}
else {
// try {
// this.eventId = (EventID)eventPart.getObject();
ByteBuffer eventIdPartsBuffer = ByteBuffer.wrap(eventPart
.getSerializedForm());
long threadId = EventID
.readEventIdPartsFromOptmizedByteArray(eventIdPartsBuffer);
long sequenceId = EventID
.readEventIdPartsFromOptmizedByteArray(eventIdPartsBuffer);
EntryEventImpl clientEvent = new EntryEventImpl(
new EventID(servConn.getEventMemberIDByteArray(),
threadId, sequenceId));
Breadcrumbs.setEventId(clientEvent.getEventId());
// msg.isRetry might be set by v7.0 and later clients
if (msg.isRetry()) {
// if (logger.fineEnabled()) {
// logger.fine("DEBUG: encountered isRetry in Put65");
// }
clientEvent.setPossibleDuplicate(true);
if (region.getAttributes().getConcurrencyChecksEnabled()) {
// recover the version tag from other servers
clientEvent.setRegion(region);
if (!recoverVersionTagForRetriedOperation(clientEvent)) {
clientEvent.setPossibleDuplicate(false); // no-one has seen this event
}
}
}
boolean result = false;
boolean sendOldValue = false;
boolean oldValueIsObject = true;
Object oldValue = null;
try {
Object value = null;
if (!isDelta) {
value = valuePart.getSerializedForm();
}
boolean isObject = valuePart.isObject();
boolean isMetaRegion = region.isUsedForMetaRegion();
msg.setMetaRegion(isMetaRegion);
AuthorizeRequest authzRequest = null;
if (!isMetaRegion) {
authzRequest = servConn.getAuthzRequest();
}
if (authzRequest != null) {
// TODO SW: This is to handle DynamicRegionFactory create
// calls. Rework this when the semantics of DynamicRegionFactory are
// cleaned up.
if (DynamicRegionFactory.regionIsDynamicRegionList(regionName)) {
authzRequest.createRegionAuthorize((String)key);
}
// Allow PUT operations on meta regions (bug #38961)
else {
PutOperationContext putContext = authzRequest.putAuthorize(
regionName, key, value, isObject, callbackArg);
value = putContext.getValue();
isObject = putContext.isObject();
callbackArg = putContext.getCallbackArg();
}
}
if (logger.fineEnabled()) {
logger.fine("processing put65 with operation=" + operation);
}
// If the value is 1 byte and the byte represents null,
// attempt to create the entry. This test needs to be
// moved to DataSerializer or DataSerializer.NULL needs
// to be publicly accessible.
if (operation == Operation.PUT_IF_ABSENT) {
// try {
if (msg.isRetry() && clientEvent.getVersionTag() != null) {
// bug #46590 the operation was successful the last time since it
// was applied to the cache, so return success and the recovered
// version tag
if (logger.fineEnabled()) {
logger.fine("putIfAbsent operation was successful last time with version "
+ clientEvent.getVersionTag());
}
oldValue = null;
} else {
oldValue = region.basicBridgePutIfAbsent(key, value, isObject,
callbackArg, servConn.getProxyID(), true, clientEvent);
}
sendOldValue = true;
oldValueIsObject = true;
Version clientVersion = servConn.getClientVersion();
if (oldValue instanceof CachedDeserializable) {
oldValue = ((CachedDeserializable)oldValue).getSerializedValue();
} else if (oldValue instanceof byte[]) {
oldValueIsObject = false;
} else if ((oldValue instanceof Token)
&& clientVersion.compareTo(Version.GFE_651) <= 0) {
// older clients don't know that Token is now a DSFID class, so we
// put the token in a serialized form they can consume
HeapDataOutputStream str = new HeapDataOutputStream(Version.CURRENT);
DataOutput dstr = new DataOutputStream(str);
InternalDataSerializer.writeSerializableObject(oldValue, dstr);
oldValue = str.toByteArray();
}
result = true;
// } catch (Exception e) {
// writeException(msg, e, false, servConn);
// servConn.setAsTrue(RESPONDED);
// return;
// }
} else if (operation == Operation.REPLACE) {
// try {
if (requireOldValue) { // replace(, )
oldValue = region.basicBridgeReplace(key, value, isObject,
callbackArg, servConn.getProxyID(), true, clientEvent);
if (msg.isRetry() && clientEvent.isConcurrencyConflict()
&& clientEvent.getVersionTag() != null) {
if (logger.fineEnabled()) {
logger.fine("replace(k,v) operation was successful last time with version "
+ clientEvent.getVersionTag());
}
}
sendOldValue = !clientEvent.isConcurrencyConflict();
oldValueIsObject = true;
Version clientVersion = servConn.getClientVersion();
if (oldValue instanceof CachedDeserializable) {
oldValue = ((CachedDeserializable)oldValue).getSerializedValue();
} else if (oldValue instanceof byte[]) {
oldValueIsObject = false;
} else if ((oldValue instanceof Token)
&& clientVersion.compareTo(Version.GFE_651) <= 0) {
// older clients don't know that Token is now a DSFID class, so we
// put the token in a serialized form they can consume
HeapDataOutputStream str = new HeapDataOutputStream(Version.CURRENT);
DataOutput dstr = new DataOutputStream(str);
InternalDataSerializer.writeSerializableObject(oldValue, dstr);
oldValue = str.toByteArray();
}
if (logger.fineEnabled()) {
logger.fine("returning " + oldValue + " from replace(K,V)");
}
result = true;
} else { // boolean replace(, , ) {
boolean didPut;
didPut = region.basicBridgeReplace(key, expectedOldValue,
value, isObject, callbackArg, servConn.getProxyID(), true, clientEvent);
if (msg.isRetry() && clientEvent.getVersionTag() != null) {
if (logger.fineEnabled()) {
logger.fine("replace(k,v,v) operation was successful last time with version "
+ clientEvent.getVersionTag());
}
didPut = true;
}
sendOldValue = true;
oldValueIsObject = true;
oldValue = didPut? Boolean.TRUE : Boolean.FALSE;
if (logger.fineEnabled()) {
logger.fine("returning " + oldValue + " from replace(K,V,V)");
}
result = true;
}
// } catch (Exception e) {
// writeException(msg, e, false, servConn);
// servConn.setAsTrue(RESPONDED);
// return;
// }
} else if (value == null && !isDelta) {
// Create the null entry. Since the value is null, the value of the
// isObject
// the true after null doesn't matter and is not used.
result = region.basicBridgeCreate(key, null, true, callbackArg,
servConn.getProxyID(), true, clientEvent, false);
if (msg.isRetry() && clientEvent.isConcurrencyConflict()
&& clientEvent.getVersionTag() != null) {
result = true;
if (logger.fineEnabled()) {
logger.fine("create(k,null) operation was successful last time with version "
+ clientEvent.getVersionTag());
}
}
}
else {
// Put the entry
byte[] delta = null;
if (isDelta) {
delta = valuePart.getSerializedForm();
}
TXManagerImpl txMgr = (TXManagerImpl)servConn.getCache().getCacheTransactionManager();
// bug 43068 - use create() if in a transaction and op is CREATE
if (txMgr.getTXState() != null && operation.isCreate()) {
result = region.basicBridgeCreate(key, (byte[])value, isObject, callbackArg,
servConn.getProxyID(), true, clientEvent, true);
} else {
result = region.basicBridgePut(key, value, delta, isObject,
callbackArg, servConn.getProxyID(), true, servConn
.isGemFireXDSystem(), clientEvent);
}
if (msg.isRetry() && clientEvent.isConcurrencyConflict()
&& clientEvent.getVersionTag() != null) {
if (logger.fineEnabled()) {
logger.fine("put(k,v) operation was successful last time with version "
+ clientEvent.getVersionTag());
result = true;
}
}
}
if (result) {
servConn.setModificationInfo(true, regionName, key);
}
else {
String message = servConn.getName()
+ ": Failed to put entry for region " + regionName
+ " key " + key + " value " + valuePart;
if (logger.infoEnabled())
logger.fine(message);
throw new Exception(message);
}
}
catch (RegionDestroyedException rde) {
writeException(msg, rde, false, servConn);
servConn.setAsTrue(RESPONDED);
return;
}
catch (ResourceException re) {
writeException(msg, re, false, servConn);
servConn.setAsTrue(RESPONDED);
return;
}
catch (InvalidDeltaException ide) {
if (logger.infoEnabled()) {
logger
.info(
LocalizedStrings.UpdateOperation_ERROR_APPLYING_DELTA_FOR_KEY_0_OF_REGION_1,
new Object[] { key, regionName });
}
writeException(msg, MessageType.PUT_DELTA_ERROR, ide, false, servConn);
servConn.setAsTrue(RESPONDED);
region.getCachePerfStats().incDeltaFullValuesRequested();
return;
}
catch (Exception ce) {
// If an interrupted exception is thrown , rethrow it
checkForInterrupt(servConn, ce);
// If an exception occurs during the put, preserve the connection
writeException(msg, ce, false, servConn);
servConn.setAsTrue(RESPONDED);
if (ce instanceof GemFireSecurityException) {
// Fine logging for security exceptions since these are already
// logged by the security logger
if (logger.fineEnabled()) {
logger.fine(servConn.getName()
+ ": Unexpected Security exception", ce);
}
}
else if (logger.fineEnabled()) {
logger.fine(servConn.getName() + ": Unexpected Exception", ce);
}
return;
}
finally {
long oldStart = start;
start = DistributionStats.getStatTime();
stats.incProcessPutTime(start - oldStart);
}
// Increment statistics and write the reply
if (region instanceof PartitionedRegion) {
PartitionedRegion pr = (PartitionedRegion)region;
if (pr.isNetworkHop().byteValue() != (byte)0) {
writeReplyWithRefreshMetadata(msg, servConn, pr, sendOldValue, oldValueIsObject,
oldValue, pr.isNetworkHop().byteValue(), clientEvent.getVersionTag());
pr.setIsNetworkHop((byte)0);
pr.setMetadataVersion(Byte.valueOf((byte)0));
}
else {
writeReply(msg, servConn, sendOldValue, oldValueIsObject, oldValue, clientEvent.getVersionTag());
}
}
else {
writeReply(msg, servConn, sendOldValue, oldValueIsObject, oldValue, clientEvent.getVersionTag());
}
servConn.setAsTrue(RESPONDED);
if (logger.fineEnabled()) {
logger.fine(servConn.getName() + ": Sent put response back to "
+ servConn.getSocketString() + " for region " + regionName
+ " key " + key + " value " + valuePart);
}
stats.incWritePutResponseTime(DistributionStats.getStatTime() - start);
}
}
}
protected void writeReply(Message origMsg, ServerConnection servConn,
boolean sendOldValue, boolean oldValueIsObject, Object oldValue,
VersionTag tag)
throws IOException {
Message replyMsg = servConn.getReplyMessage();
servConn.getCache().getCancelCriterion().checkCancelInProgress(null);
replyMsg.setMessageType(MessageType.REPLY);
replyMsg.setNumberOfParts(sendOldValue? 3 : 1);
replyMsg.setTransactionId(origMsg.getTransactionId());
replyMsg.addBytesPart(OK_BYTES);
if (sendOldValue) {
replyMsg.addIntPart(oldValueIsObject?1:0);
replyMsg.addObjPart(oldValue);
}
replyMsg.send(servConn);
if (logger.finerEnabled()) {
logger.finer(servConn.getName() + ": rpl tx: "
+ origMsg.getTransactionId() + " parts=" + replyMsg.getNumberOfParts());
}
}
protected void writeReplyWithRefreshMetadata(Message origMsg,
ServerConnection servConn, PartitionedRegion pr,
boolean sendOldValue, boolean oldValueIsObject, Object oldValue, byte nwHopType,
VersionTag tag)
throws IOException {
Message replyMsg = servConn.getReplyMessage();
servConn.getCache().getCancelCriterion().checkCancelInProgress(null);
replyMsg.setMessageType(MessageType.REPLY);
replyMsg.setNumberOfParts(sendOldValue? 3 : 1);
replyMsg.setTransactionId(origMsg.getTransactionId());
replyMsg.addBytesPart(new byte[]{pr.getMetadataVersion().byteValue(), nwHopType});
if (sendOldValue) {
replyMsg.addIntPart(oldValueIsObject?1:0);
replyMsg.addObjPart(oldValue);
}
replyMsg.send(servConn);
pr.getPrStats().incPRMetaDataSentCount();
if (logger.finerEnabled()) {
logger.finer(servConn.getName() + ": rpl with REFRESH_METADAT tx: "
+ origMsg.getTransactionId()+ " parts=" + replyMsg.getNumberOfParts());
}
}
}
