/*
* 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 java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import org.apache.geode.cache.DynamicRegionFactory;
import org.apache.geode.cache.operations.UnregisterInterestOperationContext;
import org.apache.geode.i18n.StringId;
import org.apache.geode.internal.cache.tier.Command;
import org.apache.geode.internal.cache.tier.MessageType;
import org.apache.geode.internal.cache.tier.sockets.BaseCommand;
import org.apache.geode.internal.cache.tier.sockets.Message;
import org.apache.geode.internal.cache.tier.sockets.Part;
import org.apache.geode.internal.cache.tier.sockets.ServerConnection;
import org.apache.geode.internal.i18n.LocalizedStrings;
import org.apache.geode.internal.security.AuthorizeRequest;
import org.apache.geode.security.NotAuthorizedException;
public class UnregisterInterestList extends BaseCommand {
private final static UnregisterInterestList singleton = new UnregisterInterestList();
public static Command getCommand() {
return singleton;
}
private UnregisterInterestList() {}
@Override
public void cmdExecute(Message msg, ServerConnection servConn, long start)
throws IOException, ClassNotFoundException {
Part regionNamePart = null, keyPart = null, numberOfKeysPart = null;
String regionName = null;
Object key = null;
List keys = null;
int numberOfKeys = 0, partNumber = 0;
servConn.setAsTrue(REQUIRES_RESPONSE);
// 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();
Part isClosingListPart = msg.getPart(1);
byte[] isClosingListPartBytes = (byte[]) isClosingListPart.getObject();
boolean isClosingList = isClosingListPartBytes[0] == 0x01;
boolean keepalive = false;
try {
Part keepalivePart = msg.getPart(2);
byte[] keepalivePartBytes = (byte[]) keepalivePart.getObject();
keepalive = keepalivePartBytes[0] == 0x01;
} 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) {
writeException(msg, e, false, servConn);
servConn.setAsTrue(RESPONDED);
return;
}
keys.add(key);
}
if (logger.isDebugEnabled()) {
logger.debug(
"{}: Received unregister interest request ({} bytes) from {} for the following {} keys in region {}: {}",
servConn.getName(), msg.getPayloadLength(), servConn.getSocketString(), numberOfKeys,
regionName, keys);
}
// Process the unregister interest request
if (keys.isEmpty() || regionName == null) {
StringId errMessage = null;
if (keys.isEmpty() && regionName == null) {
errMessage =
LocalizedStrings.UnRegisterInterestList_THE_INPUT_LIST_OF_KEYS_IS_EMPTY_AND_THE_INPUT_REGION_NAME_IS_NULL_FOR_THE_UNREGISTER_INTEREST_REQUEST;
} else if (keys.isEmpty()) {
errMessage =
LocalizedStrings.UnRegisterInterestList_THE_INPUT_LIST_OF_KEYS_FOR_THE_UNREGISTER_INTEREST_REQUEST_IS_EMPTY;
} else if (regionName == null) {
errMessage =
LocalizedStrings.UnRegisterInterest_THE_INPUT_REGION_NAME_FOR_THE_UNREGISTER_INTEREST_REQUEST_IS_NULL;
}
String s = errMessage.toLocalizedString();
logger.warn("{}: {}", servConn.getName(), s);
writeErrorResponse(msg, MessageType.UNREGISTER_INTEREST_DATA_ERROR, s, servConn);
servConn.setAsTrue(RESPONDED);
return;
}
try {
this.securityService.authorizeRegionRead(regionName);
} catch (NotAuthorizedException ex) {
writeException(msg, ex, false, servConn);
servConn.setAsTrue(RESPONDED);
return;
}
AuthorizeRequest authzRequest = servConn.getAuthzRequest();
if (authzRequest != null) {
if (!DynamicRegionFactory.regionIsDynamicRegionList(regionName)) {
try {
UnregisterInterestOperationContext unregisterContext =
authzRequest.unregisterInterestListAuthorize(regionName, keys);
keys = (List) unregisterContext.getKey();
} catch (NotAuthorizedException ex) {
writeException(msg, ex, false, servConn);
servConn.setAsTrue(RESPONDED);
return;
}
}
}
// Yogesh : bug fix for 36457 :
/*
* Region destroy message from server to client results in client calling unregister to server
* (an unnecessary callback). The unregister encounters an error because the region has been
* destroyed on the server and hence falsely marks the server dead.
*/
/*
* Region region = crHelper.getRegion(regionName); if (region == null) {
* logger.warning(this.name + ": Region named " + regionName + " was not found during register
* interest list request"); writeErrorResponse(msg, MessageType.UNREGISTER_INTEREST_DATA_ERROR);
* responded = true; } else {
*/
// Register interest
servConn.getAcceptor().getCacheClientNotifier().unregisterClientInterest(regionName, keys,
isClosingList, servConn.getProxyID(), keepalive);
// Update the statistics and write the reply
// bserverStats.incLong(processDestroyTimeId,
// DistributionStats.getStatTime() - start);
// start = DistributionStats.getStatTime(); WHY ARE GETTING START AND NOT
// USING IT?
writeReply(msg, servConn);
servConn.setAsTrue(RESPONDED);
if (logger.isDebugEnabled()) {
logger.debug(
"{}: Sent unregister interest response for the following {} keys in region {}: {}",
servConn.getName(), numberOfKeys, regionName, keys);
}
// bserverStats.incLong(writeDestroyResponseTimeId,
// DistributionStats.getStatTime() - start);
// bserverStats.incInt(destroyResponsesId, 1);
// }
}
}