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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.tier.sockets.command;
import org.apache.geode.internal.cache.LocalRegion;
import org.apache.geode.internal.cache.tier.CachedRegionHelper;
import org.apache.geode.internal.cache.tier.Command;
import org.apache.geode.internal.cache.tier.InterestType;
import org.apache.geode.internal.cache.tier.MessageType;
import org.apache.geode.internal.cache.tier.sockets.*;
import org.apache.geode.internal.i18n.LocalizedStrings;
import org.apache.geode.internal.logging.log4j.LocalizedMessage;
import org.apache.geode.internal.security.AuthorizeRequest;
import org.apache.geode.cache.DynamicRegionFactory;
import org.apache.geode.cache.InterestResultPolicy;
import org.apache.geode.cache.operations.RegisterInterestOperationContext;
import org.apache.geode.i18n.StringId;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
/**
* @since GemFire 6.1
*/
public class RegisterInterestList61 extends BaseCommand {
private final static RegisterInterestList61 singleton = new RegisterInterestList61();
public static Command getCommand() {
return singleton;
}
RegisterInterestList61() {}
@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;
}
numberOfKeysPart = msg.getPart(3);
numberOfKeys = numberOfKeysPart.getInt();
partNumber = 4;
keys = new ArrayList();
for (int i = 0; i < numberOfKeys; i++) {
keyPart = msg.getPart(partNumber + i);
try {
key = keyPart.getStringOrObject();
} catch (Exception e) {
writeChunkedException(msg, e, false, servConn);
servConn.setAsTrue(RESPONDED);
return;
}
keys.add(key);
}
boolean sendUpdatesAsInvalidates = false;
// VJR: Check for an extra part for client version 6.0.3 onwards for the
// time being until refactoring into a new command version.
if (msg.getNumberOfParts() > (numberOfKeys + partNumber)) {
try {
Part notifyPart = msg.getPart(numberOfKeys + partNumber);
byte[] notifyPartBytes = (byte[]) notifyPart.getObject();
sendUpdatesAsInvalidates = notifyPartBytes[0] == 0x01;
} catch (Exception e) {
writeChunkedException(msg, e, false, servConn);
servConn.setAsTrue(RESPONDED);
return;
}
}
if (logger.isDebugEnabled()) {
logger.debug(
"{}: Received register interest 61 request ({} bytes) from {} for the following {} keys in region {}: {}",
servConn.getName(), msg.getPayloadLength(), servConn.getSocketString(), numberOfKeys,
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;
}
String s = errMessage.toLocalizedString();
logger.warn("{}: {}", servConn.getName(), s);
writeChunkedErrorResponse(msg, MessageType.REGISTER_INTEREST_DATA_ERROR, s, servConn);
servConn.setAsTrue(RESPONDED);
return;
}
LocalRegion region = (LocalRegion) servConn.getCache().getRegion(regionName);
if (region == null) {
logger.info(LocalizedMessage.create(
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 {
this.securityService.authorizeRegionRead(regionName);
AuthorizeRequest authzRequest = servConn.getAuthzRequest();
if (authzRequest != null) {
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.isDebugEnabled()) {
logger.debug(
"{}: Sending register interest response chunk from secondary for region: {} for key: {} chunk=<{}>",
servConn.getName(), regionName, key, chunkedResponseMsg);
}
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.isDebugEnabled()) {
// logger.debug(getName() + ": Sent chunk (1 of 1) of register interest
// response (" + chunkedResponseMsg.getBufferLength() + " bytes) for
// region " + regionName + " key " + key);
logger.debug(
"{}: Sent register interest response for the following {} keys in region {}: {}",
servConn.getName(), numberOfKeys, regionName, keys);
}
// bserverStats.incLong(writeDestroyResponseTimeId,
// DistributionStats.getStatTime() - start);
// bserverStats.incInt(destroyResponsesId, 1);
} // isPrimary
// } // region not null
}
}