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TIBCO ComputeDB store based off Pivotal GemFireXD
/*
* 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 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.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.*;
import com.gemstone.gemfire.internal.i18n.LocalizedStrings;
import com.gemstone.gemfire.internal.security.AuthorizeRequest;
import com.gemstone.gemfire.security.GemFireSecurityException;
import com.gemstone.gemfire.cache.DynamicRegionFactory;
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.org.jgroups.util.StringId;
import java.io.IOException;
import java.nio.ByteBuffer;
public class Put extends BaseCommand {
private final static Put singleton = new Put();
public static Command getCommand() {
return singleton;
}
private Put() {
}
@Override
public void cmdExecute(Message msg, ServerConnection servConn, long start)
throws IOException, InterruptedException {
Part regionNamePart = null, keyPart = null, valuePart = null, callbackArgPart = null;
String regionName = null;
Object callbackArg = null, key = null;
Part eventPart = null;
String errMessage = "";
CachedRegionHelper crHelper = servConn.getCachedRegionHelper();
CacheServerStats stats = servConn.getCacheServerStats();
if (crHelper.emulateSlowServer() > 0) {
// this.logger.fine("SlowServer", new Exception());
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
regionNamePart = msg.getPart(0);
keyPart = msg.getPart(1);
valuePart = msg.getPart(2);
eventPart = msg.getPart(3);
// callbackArgPart = null; (redundant assignment)
if (msg.getNumberOfParts() > 4) {
callbackArgPart = msg.getPart(4);
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.finestEnabled()) {
logger.finest(servConn.getName() + ": Received put request ("
+ msg.getPayloadLength() + " bytes) from "
+ servConn.getSocketString() + " for region " + regionName + " key "
+ key + " value " + valuePart);
}
// Process the put request
if (key == null || regionName == null) {
if (key == null) {
if (logger.warningEnabled()) {
logger.warning(
LocalizedStrings.Put_0_THE_INPUT_KEY_FOR_THE_PUT_REQUEST_IS_NULL,
servConn.getName());
}
errMessage = LocalizedStrings.Put_THE_INPUT_KEY_FOR_THE_PUT_REQUEST_IS_NULL.toLocalizedString();
}
if (regionName == null) {
if (logger.warningEnabled()) {
logger.warning(
LocalizedStrings.Put_0_THE_INPUT_REGION_NAME_FOR_THE_PUT_REQUEST_IS_NULL,
servConn.getName());
}
errMessage = LocalizedStrings.Put_THE_INPUT_REGION_NAME_FOR_THE_PUT_REQUEST_IS_NULL.toLocalizedString();
}
writeErrorResponse(msg, MessageType.PUT_DATA_ERROR,
errMessage.toString(), servConn);
servConn.setAsTrue(RESPONDED);
}
else {
LocalRegion region = (LocalRegion)crHelper.getRegion(regionName);
if (region == null) {
String reason = LocalizedStrings.Put_REGION_WAS_NOT_FOUND_DURING_PUT_REQUEST.toLocalizedString();
writeRegionDestroyedEx(msg, regionName, reason, servConn);
servConn.setAsTrue(RESPONDED);
}
else if (valuePart.isNull() && region.containsKey(key)) {
// Invalid to 'put' a null value in an existing key
if (logger.infoEnabled()) {
logger.info(
LocalizedStrings.Put_0_ATTEMPTED_TO_PUT_A_NULL_VALUE_FOR_EXISTING_KEY_1,
new Object[] {servConn.getName(), key});
}
errMessage = LocalizedStrings.Put_ATTEMPTED_TO_PUT_A_NULL_VALUE_FOR_EXISTING_KEY_0.toLocalizedString();
writeErrorResponse(msg, MessageType.PUT_DATA_ERROR, errMessage,
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);
EventID eventId = new EventID(servConn.getEventMemberIDByteArray(),
threadId, sequenceId);
// } catch (Exception e) {
// writeException(msg, e, false);
// responded = true;
// continue;
// }
try {
byte[] value = valuePart.getSerializedForm();
boolean isObject = valuePart.isObject();
AuthorizeRequest 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 if (!region.isUsedForMetaRegion()) {
PutOperationContext putContext = authzRequest.putAuthorize(
regionName, key, value, isObject, callbackArg);
value = putContext.getSerializedValue();
isObject = putContext.isObject();
callbackArg = putContext.getCallbackArg();
}
}
// 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.
boolean result = false;
if (value == null) {
// 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, new EntryEventImpl(eventId), false);
}
else {
// Put the entry
result = region.basicBridgePut(key, value, null, isObject, callbackArg,
servConn.getProxyID(), true,
servConn.isGemFireXDSystem(), new EntryEventImpl(eventId));
}
if (result) {
servConn.setModificationInfo(true, regionName, key);
}
else {
StringId message = LocalizedStrings.PUT_0_FAILED_TO_PUT_ENTRY_FOR_REGION_1_KEY_2_VALUE_3;
Object[] messageArgs = new Object[] {servConn.getName(), regionName, key, valuePart};
if (logger.infoEnabled()) {
logger.info(message, messageArgs);
}
throw new Exception(message.toLocalizedString(messageArgs));
}
}
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 (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.warningEnabled()) {
logger.warning(
LocalizedStrings.PUT_0_UNEXPECTED_EXCEPTION,
servConn.getName(), ce);
}
return;
}
finally {
long oldStart = start;
start = DistributionStats.getStatTime();
stats.incProcessPutTime(start - oldStart);
}
// Increment statistics and write the reply
writeReply(msg, servConn);
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);
}
}
}
}