| /* |
| * 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.cache.query.cq.internal.command; |
| |
| import java.io.IOException; |
| |
| import org.apache.geode.cache.query.internal.cq.CqService; |
| 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.Message; |
| import org.apache.geode.internal.cache.tier.sockets.ServerConnection; |
| import org.apache.geode.internal.security.SecurityService; |
| import org.apache.geode.security.ResourcePermission.Operation; |
| import org.apache.geode.security.ResourcePermission.Resource; |
| |
| public class GetCQStats extends BaseCQCommand { |
| |
| private static final GetCQStats singleton = new GetCQStats(); |
| |
| public static Command getCommand() { |
| return singleton; |
| } |
| |
| private GetCQStats() { |
| // nothing |
| } |
| |
| @Override |
| public void cmdExecute(final Message clientMessage, final ServerConnection serverConnection, |
| final SecurityService securityService, long start) throws IOException { |
| CachedRegionHelper crHelper = serverConnection.getCachedRegionHelper(); |
| |
| CacheServerStats stats = serverConnection.getCacheServerStats(); |
| |
| serverConnection.setAsTrue(REQUIRES_RESPONSE); |
| serverConnection.setAsTrue(REQUIRES_CHUNKED_RESPONSE); |
| |
| final boolean isDebugEnabled = logger.isDebugEnabled(); |
| if (isDebugEnabled) { |
| logger.debug("{}: Received close all client CQs request from {}", serverConnection.getName(), |
| serverConnection.getSocketString()); |
| } |
| |
| // Retrieve the data from the message parts |
| String cqName = clientMessage.getPart(0).getString(); |
| |
| if (isDebugEnabled) { |
| logger.debug("{}: Received close CQ request from {} cqName: {}", serverConnection.getName(), |
| serverConnection.getSocketString(), cqName); |
| } |
| |
| // Process the query request |
| if (cqName == null) { |
| String err = "The cqName for the cq stats request is null"; |
| sendCqResponse(MessageType.CQDATAERROR_MSG_TYPE, err, clientMessage.getTransactionId(), null, |
| serverConnection); |
| return; |
| } |
| |
| securityService.authorize(Resource.CLUSTER, Operation.READ); |
| // Process the cq request |
| try { |
| // make sure the cqservice has been created |
| // since that is what registers the stats |
| CqService cqService = crHelper.getCache().getCqService(); |
| cqService.start(); |
| } catch (Exception e) { |
| String err = "Exception while Getting the CQ Statistics. "; |
| sendCqResponse(MessageType.CQ_EXCEPTION_TYPE, err, clientMessage.getTransactionId(), e, |
| serverConnection); |
| return; |
| } |
| // Send OK to client |
| sendCqResponse(MessageType.REPLY, "cq stats sent successfully.", |
| clientMessage.getTransactionId(), null, serverConnection); |
| serverConnection.setAsTrue(RESPONDED); |
| |
| long oldStart = start; |
| start = DistributionStats.getStatTime(); |
| stats.incProcessGetCqStatsTime(start - oldStart); |
| } |
| |
| } |