/*
* 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.HashSet;
import java.util.Set;
import org.apache.geode.cache.query.CqException;
import org.apache.geode.cache.query.internal.cq.CqQueryImpl;
import org.apache.geode.cache.query.internal.cq.CqService;
import org.apache.geode.cache.query.internal.cq.InternalCqQuery;
import org.apache.geode.distributed.internal.DistributionStats;
import org.apache.geode.internal.cache.tier.CachedRegionHelper;
import org.apache.geode.internal.cache.tier.Command;
import org.apache.geode.internal.cache.tier.MessageType;
import org.apache.geode.internal.cache.tier.sockets.CacheServerStats;
import org.apache.geode.internal.cache.tier.sockets.ClientProxyMembershipID;
import org.apache.geode.internal.cache.tier.sockets.Message;
import org.apache.geode.internal.cache.tier.sockets.ServerConnection;
import org.apache.geode.internal.i18n.LocalizedStrings;
import org.apache.geode.internal.security.AuthorizeRequest;
public class StopCQ extends BaseCQCommand {
private final static StopCQ singleton = new StopCQ();
public static Command getCommand() {
return singleton;
}
private StopCQ() {}
@Override
public void cmdExecute(Message msg, ServerConnection servConn, long start) throws IOException {
CachedRegionHelper crHelper = servConn.getCachedRegionHelper();
ClientProxyMembershipID id = servConn.getProxyID();
CacheServerStats stats = servConn.getCacheServerStats();
// Based on MessageType.QUERY
// Added by Rao 2/1/2007
servConn.setAsTrue(REQUIRES_RESPONSE);
servConn.setAsTrue(REQUIRES_CHUNKED_RESPONSE);
start = DistributionStats.getStatTime();
// Retrieve the data from the message parts
String cqName = msg.getPart(0).getString();
if (logger.isDebugEnabled()) {
logger.debug("{}: Received stop CQ request from {} cqName: {}", servConn.getName(),
servConn.getSocketString(), cqName);
}
// Process the query request
if (cqName == null) {
String err =
LocalizedStrings.StopCQ_THE_CQNAME_FOR_THE_CQ_STOP_REQUEST_IS_NULL.toLocalizedString();
sendCqResponse(MessageType.CQDATAERROR_MSG_TYPE, err, msg.getTransactionId(), null, servConn);
return;
}
// Process CQ stop request
try {
// Append Client ID to CQ name
CqService cqService = crHelper.getCache().getCqService();
cqService.start();
// String cqNameWithClientId = new String(cqName + "__" +
// getMembershipID());
String serverCqName = cqName;
if (id != null) {
serverCqName = cqService.constructServerCqName(cqName, id);
}
InternalCqQuery cqQuery = cqService.getCq(serverCqName);
this.securityService.authorizeDataManage();
AuthorizeRequest authzRequest = servConn.getAuthzRequest();
if (authzRequest != null) {
String queryStr = null;
Set cqRegionNames = null;
if (cqQuery != null) {
queryStr = cqQuery.getQueryString();
cqRegionNames = new HashSet();
cqRegionNames.add(((CqQueryImpl) cqQuery).getRegionName());
}
authzRequest.stopCQAuthorize(cqName, queryStr, cqRegionNames);
}
cqService.stopCq(cqName, id);
if (cqQuery != null)
servConn.removeCq(cqName, cqQuery.isDurable());
} catch (CqException cqe) {
sendCqResponse(MessageType.CQ_EXCEPTION_TYPE, "", msg.getTransactionId(), cqe, servConn);
return;
} catch (Exception e) {
String err =
LocalizedStrings.StopCQ_EXCEPTION_WHILE_STOPPING_CQ_NAMED_0.toLocalizedString(cqName);
sendCqResponse(MessageType.CQ_EXCEPTION_TYPE, err, msg.getTransactionId(), e, servConn);
return;
}
// Send OK to client
sendCqResponse(MessageType.REPLY,
LocalizedStrings.StopCQ_CQ_STOPPED_SUCCESSFULLY.toLocalizedString(), msg.getTransactionId(),
null, servConn);
servConn.setAsTrue(RESPONDED);
{
long oldStart = start;
start = DistributionStats.getStatTime();
stats.incProcessStopCqTime(start - oldStart);
}
}
}