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/*
* 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.LocalRegion;
import com.gemstone.gemfire.internal.cache.tier.CachedRegionHelper;
import com.gemstone.gemfire.internal.cache.tier.Command;
import com.gemstone.gemfire.internal.cache.tier.InterestType;
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.cache.DynamicRegionFactory;
import com.gemstone.gemfire.cache.InterestResultPolicy;
import com.gemstone.gemfire.cache.operations.RegisterInterestOperationContext;
import com.gemstone.org.jgroups.util.StringId;
import java.io.IOException;
import java.util.List;
/**
*
* All keys of the register interest list are being sent as a single part since
* 6.6. There is no need to send no keys as a separate part.In earlier versions
* {@link RegisterInterestList61} number of keys & each individual key was sent
* as a separate part.
*
* @author sbhokare
*
* @since 6.6
*/
public class RegisterInterestList66 extends BaseCommand {
private final static RegisterInterestList66 singleton = new RegisterInterestList66();
public static Command getCommand() {
return singleton;
}
private RegisterInterestList66() {
}
@Override
public void cmdExecute(Message msg, ServerConnection servConn, long start)
throws IOException, InterruptedException {
Part regionNamePart = null, keyPart = null;// numberOfKeysPart = null;
String regionName = null;
Object key = null;
InterestResultPolicy policy;
List keys = null;
CachedRegionHelper crHelper = servConn.getCachedRegionHelper();
int numberOfKeys = 0, partNumber = 0;
servConn.setAsTrue(REQUIRES_RESPONSE);
servConn.setAsTrue(REQUIRES_CHUNKED_RESPONSE);
ChunkedMessage chunkedResponseMsg = servConn.getRegisterInterestResponseMessage();
// bserverStats.incLong(readDestroyRequestTimeId,
// DistributionStats.getStatTime() - start);
// bserverStats.incInt(destroyRequestsId, 1);
// start = DistributionStats.getStatTime();
// Retrieve the data from the message parts
regionNamePart = msg.getPart(0);
regionName = regionNamePart.getString();
// Retrieve the InterestResultPolicy
try {
policy = (InterestResultPolicy)msg.getPart(1).getObject();
}
catch (Exception e) {
writeChunkedException(msg, e, false, servConn);
servConn.setAsTrue(RESPONDED);
return;
}
boolean isDurable = false ;
try {
Part durablePart = msg.getPart(2);
byte[] durablePartBytes = (byte[])durablePart.getObject();
isDurable = durablePartBytes[0] == 0x01;
}
catch (Exception e) {
writeChunkedException(msg, e, false, servConn);
servConn.setAsTrue(RESPONDED);
return;
}
// region data policy
byte[] regionDataPolicyPartBytes;
try {
Part regionDataPolicyPart = msg.getPart(msg.getNumberOfParts()-1);
regionDataPolicyPartBytes = (byte[])regionDataPolicyPart.getObject();
}
catch (Exception e) {
writeChunkedException(msg, e, false, servConn);
servConn.setAsTrue(RESPONDED);
return;
}
partNumber = 3;
Part list = msg.getPart(partNumber);
try {
keys = (List)list.getObject();
}
catch (Exception e) {
writeChunkedException(msg, e, false, servConn);
servConn.setAsTrue(RESPONDED);
return;
}
boolean sendUpdatesAsInvalidates = false;
try {
Part notifyPart = msg.getPart(partNumber + 1);
byte[] notifyPartBytes = (byte[])notifyPart.getObject();
sendUpdatesAsInvalidates = notifyPartBytes[0] == 0x01;
}
catch (Exception e) {
writeChunkedException(msg, e, false, servConn);
servConn.setAsTrue(RESPONDED);
return;
}
if (logger.fineEnabled()) {
logger.fine(servConn.getName() + ": Received register interest 66 request ("
+ msg.getPayloadLength() + " bytes) from "
+ servConn.getSocketString() + " for the following " + numberOfKeys
+ " keys in region " + regionName + ": " + keys);
}
/*
AcceptorImpl acceptor = servConn.getAcceptor();
// Check if the Server is running in NotifyBySubscription=true mode.
if (!acceptor.getCacheClientNotifier().getNotifyBySubscription()) {
// This should have been taken care at the client.
String err = LocalizedStrings.RegisterInterest_INTEREST_REGISTRATION_IS_SUPPORTED_ONLY_FOR_SERVERS_WITH_NOTIFYBYSUBSCRIPTION_SET_TO_TRUE.toLocalizedString();
writeChunkedErrorResponse(msg, MessageType.REGISTER_INTEREST_DATA_ERROR,
err, servConn);
servConn.setAsTrue(RESPONDED); return;
}
*/
// Process the register interest request
if (keys.isEmpty() || regionName == null) {
StringId errMessage = null;
if (keys.isEmpty() && regionName == null) {
errMessage = LocalizedStrings.RegisterInterestList_THE_INPUT_LIST_OF_KEYS_IS_EMPTY_AND_THE_INPUT_REGION_NAME_IS_NULL_FOR_THE_REGISTER_INTEREST_REQUEST;
} else if (keys.isEmpty()) {
errMessage = LocalizedStrings.RegisterInterestList_THE_INPUT_LIST_OF_KEYS_FOR_THE_REGISTER_INTEREST_REQUEST_IS_EMPTY;
} else if (regionName == null) {
errMessage = LocalizedStrings.RegisterInterest_THE_INPUT_REGION_NAME_FOR_THE_REGISTER_INTEREST_REQUEST_IS_NULL;
}
if (logger.warningEnabled()) {
logger.warning(
LocalizedStrings.TWO_ARG_COLON,
new Object[] {servConn.getName(), errMessage.toLocalizedString()});
}
writeChunkedErrorResponse(msg, MessageType.REGISTER_INTEREST_DATA_ERROR,
errMessage.toLocalizedString(), servConn);
servConn.setAsTrue(RESPONDED);
}
else { // key not null
LocalRegion region = (LocalRegion)crHelper.getRegion(regionName);
if (region == null) {
if (logger.infoEnabled()) {
logger.info(
LocalizedStrings.RegisterInterestList_0_REGION_NAMED_1_WAS_NOT_FOUND_DURING_REGISTER_INTEREST_LIST_REQUEST,
new Object[]{servConn.getName(), regionName});
}
// writeChunkedErrorResponse(msg,
// MessageType.REGISTER_INTEREST_DATA_ERROR, message);
// responded = true;
} // else { // region not null
try {
AuthorizeRequest authzRequest = servConn.getAuthzRequest();
if (authzRequest != null) {
// TODO SW: This is a workaround for DynamicRegionFactory
// registerInterest calls. Remove this when the semantics of
// DynamicRegionFactory are cleaned up.
if (!DynamicRegionFactory.regionIsDynamicRegionList(regionName)) {
RegisterInterestOperationContext registerContext = authzRequest
.registerInterestListAuthorize(regionName, keys, policy);
keys = (List)registerContext.getKey();
}
}
// Register interest
servConn.getAcceptor().getCacheClientNotifier()
.registerClientInterest(regionName, keys, servConn.getProxyID(),
isDurable, sendUpdatesAsInvalidates,
true, regionDataPolicyPartBytes[0],true);
}
catch (Exception ex) {
// If an interrupted exception is thrown , rethrow it
checkForInterrupt(servConn, ex);
// Otherwise, write an exception message and continue
writeChunkedException(msg, ex, false, servConn);
servConn.setAsTrue(RESPONDED);
return;
}
// Update the statistics and write the reply
// bserverStats.incLong(processDestroyTimeId,
// DistributionStats.getStatTime() - start);
// start = DistributionStats.getStatTime();
boolean isPrimary = servConn.getAcceptor().getCacheClientNotifier()
.getClientProxy(servConn.getProxyID()).isPrimary();
if (!isPrimary) {
chunkedResponseMsg.setMessageType(MessageType.RESPONSE_FROM_SECONDARY);
chunkedResponseMsg.setTransactionId(msg.getTransactionId());
chunkedResponseMsg.sendHeader();
chunkedResponseMsg.setLastChunk(true);
if (logger.fineEnabled()) {
String str = servConn.getName()
+ ": Sending register interest response chunk from secondary for region: "
+ regionName + " for key: " + key + " chunk=<"
+ chunkedResponseMsg + ">";
logger.fine(str);
}
chunkedResponseMsg.sendChunk(servConn);
}
else { // isPrimary
// Send header which describes how many chunks will follow
chunkedResponseMsg.setMessageType(MessageType.RESPONSE_FROM_PRIMARY);
chunkedResponseMsg.setTransactionId(msg.getTransactionId());
chunkedResponseMsg.sendHeader();
// Send chunk response
try {
fillAndSendRegisterInterestResponseChunks(region, keys,
InterestType.KEY, policy, servConn);
servConn.setAsTrue(RESPONDED);
}
catch (Exception e) {
// If an interrupted exception is thrown , rethrow it
checkForInterrupt(servConn, e);
// otherwise send the exception back to client
writeChunkedException(msg, e, false, servConn);
servConn.setAsTrue(RESPONDED);
return;
}
if (logger.fineEnabled()) {
// logger.fine(getName() + ": Sent chunk (1 of 1) of register interest
// response (" + chunkedResponseMsg.getBufferLength() + " bytes) for
// region " + regionName + " key " + key);
logger.fine(servConn.getName()
+ ": Sent register interest response for the following "
+ numberOfKeys + " keys in region " + regionName + ": " + keys);
}
// bserverStats.incLong(writeDestroyResponseTimeId,
// DistributionStats.getStatTime() - start);
// bserverStats.incInt(destroyResponsesId, 1);
} // isPrimary
// } // region not null
} // key not null
}
}