| /* |
| * 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 static org.apache.geode.cache.Region.SEPARATOR; |
| |
| import java.io.IOException; |
| |
| import org.apache.geode.annotations.Immutable; |
| import org.apache.geode.cache.AttributesFactory; |
| import org.apache.geode.cache.Region; |
| 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.security.AuthorizeRequest; |
| import org.apache.geode.internal.security.SecurityService; |
| import org.apache.geode.security.NotAuthorizedException; |
| import org.apache.geode.security.ResourcePermission.Operation; |
| import org.apache.geode.security.ResourcePermission.Resource; |
| |
| public class CreateRegion extends BaseCommand { |
| |
| @Immutable |
| private static final CreateRegion singleton = new CreateRegion(); |
| |
| public static Command getCommand() { |
| return singleton; |
| } |
| |
| @Override |
| public void cmdExecute(final Message clientMessage, final ServerConnection serverConnection, |
| final SecurityService securityService, long start) throws IOException { |
| Part regionNamePart = null; |
| String regionName = null; |
| serverConnection.setAsTrue(REQUIRES_RESPONSE); |
| // bserverStats.incLong(readDestroyRequestTimeId, |
| // DistributionStats.getStatTime() - start); |
| // bserverStats.incInt(destroyRequestsId, 1); |
| // start = DistributionStats.getStatTime(); |
| // Retrieve the data from the message parts |
| Part parentRegionNamePart = clientMessage.getPart(0); |
| String parentRegionName = parentRegionNamePart.getCachedString(); |
| |
| regionNamePart = clientMessage.getPart(1); |
| regionName = regionNamePart.getCachedString(); |
| |
| if (logger.isDebugEnabled()) { |
| logger.debug( |
| "{}: Received create region request ({} bytes) from {} for parent region {} region {}", |
| serverConnection.getName(), clientMessage.getPayloadLength(), |
| serverConnection.getSocketString(), parentRegionName, regionName); |
| } |
| |
| // Process the create region request |
| if (parentRegionName == null || regionName == null) { |
| String errMessage = ""; |
| if (parentRegionName == null) { |
| logger.warn("{}: The input parent region name for the create region request is null", |
| serverConnection.getName()); |
| errMessage = |
| "The input parent region name for the create region request is null"; |
| } |
| if (regionName == null) { |
| logger.warn("{}: The input region name for the create region request is null", |
| serverConnection.getName()); |
| errMessage = |
| "The input region name for the create region request is null"; |
| } |
| writeErrorResponse(clientMessage, MessageType.CREATE_REGION_DATA_ERROR, errMessage, |
| serverConnection); |
| serverConnection.setAsTrue(RESPONDED); |
| return; |
| } |
| |
| Region parentRegion = serverConnection.getCache().getRegion(parentRegionName); |
| if (parentRegion == null) { |
| String reason = " was not found during subregion creation request"; |
| writeRegionDestroyedEx(clientMessage, parentRegionName, reason, serverConnection); |
| serverConnection.setAsTrue(RESPONDED); |
| return; |
| } |
| |
| try { |
| securityService.authorize(Resource.DATA, Operation.MANAGE); |
| } catch (NotAuthorizedException ex) { |
| writeException(clientMessage, ex, false, serverConnection); |
| serverConnection.setAsTrue(RESPONDED); |
| return; |
| } |
| |
| AuthorizeRequest authzRequest = serverConnection.getAuthzRequest(); |
| if (authzRequest != null) { |
| try { |
| authzRequest.createRegionAuthorize(parentRegionName + SEPARATOR + regionName); |
| } catch (NotAuthorizedException ex) { |
| writeException(clientMessage, ex, false, serverConnection); |
| serverConnection.setAsTrue(RESPONDED); |
| return; |
| } |
| } |
| // Create or get the subregion |
| Region region = parentRegion.getSubregion(regionName); |
| if (region == null) { |
| AttributesFactory factory = new AttributesFactory(parentRegion.getAttributes()); |
| region = parentRegion.createSubregion(regionName, factory.create()); |
| if (logger.isDebugEnabled()) { |
| logger.debug("{}: Created region {}", serverConnection.getName(), region); |
| } |
| } else { |
| if (logger.isDebugEnabled()) { |
| logger.debug("{}: Retrieved region {}", serverConnection.getName(), region); |
| } |
| } |
| |
| // Update the statistics and write the reply |
| // start = DistributionStats.getStatTime(); WHY ARE WE GETTING START AND |
| // NOT USING IT |
| // bserverStats.incLong(processDestroyTimeId, |
| // DistributionStats.getStatTime() - start); |
| writeReply(clientMessage, serverConnection); |
| serverConnection.setAsTrue(RESPONDED); |
| if (logger.isDebugEnabled()) { |
| logger.debug("{}: Sent create region response for parent region {} region {}", |
| serverConnection.getName(), parentRegionName, regionName); |
| } |
| } |
| |
| } |