| /* |
| * 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 org.apache.geode.annotations.Immutable; |
| import org.apache.geode.cache.DynamicRegionFactory; |
| import org.apache.geode.cache.operations.UnregisterInterestOperationContext; |
| 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.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 UnregisterInterest extends BaseCommand { |
| |
| @Immutable |
| private static final UnregisterInterest singleton = new UnregisterInterest(); |
| |
| public static Command getCommand() { |
| return singleton; |
| } |
| |
| UnregisterInterest() {} |
| |
| @Override |
| public void cmdExecute(final Message clientMessage, final ServerConnection serverConnection, |
| final SecurityService securityService, long start) |
| throws ClassNotFoundException, IOException { |
| Part regionNamePart = null, keyPart = null; |
| String regionName = null; |
| Object key = null; |
| int interestType = 0; |
| String errMessage = null; |
| serverConnection.setAsTrue(REQUIRES_RESPONSE); |
| |
| regionNamePart = clientMessage.getPart(0); |
| interestType = clientMessage.getPart(1).getInt(); |
| keyPart = clientMessage.getPart(2); |
| Part isClosingPart = clientMessage.getPart(3); |
| byte[] isClosingPartBytes = (byte[]) isClosingPart.getObject(); |
| boolean isClosing = isClosingPartBytes[0] == 0x01; |
| regionName = regionNamePart.getCachedString(); |
| try { |
| key = keyPart.getStringOrObject(); |
| } catch (Exception e) { |
| writeException(clientMessage, e, false, serverConnection); |
| serverConnection.setAsTrue(RESPONDED); |
| return; |
| } |
| boolean keepalive = false; |
| try { |
| Part keepalivePart = clientMessage.getPart(4); |
| byte[] keepaliveBytes = (byte[]) keepalivePart.getObject(); |
| keepalive = keepaliveBytes[0] != 0x00; |
| } catch (Exception e) { |
| writeException(clientMessage, e, false, serverConnection); |
| serverConnection.setAsTrue(RESPONDED); |
| return; |
| } |
| if (logger.isDebugEnabled()) { |
| logger.debug( |
| "{}: Received unregister interest request ({} bytes) from {} for region {} key {}", |
| serverConnection.getName(), clientMessage.getPayloadLength(), |
| serverConnection.getSocketString(), regionName, key); |
| } |
| |
| // Process the unregister interest request |
| if ((key == null) && (regionName == null)) { |
| errMessage = |
| "The input region name and key for the unregister interest request are null."; |
| } else if (key == null) { |
| errMessage = |
| "The input key for the unregister interest request is null."; |
| } else if (regionName == null) { |
| errMessage = |
| "The input region name for the unregister interest request is null."; |
| String s = errMessage; |
| logger.warn("{}: {}", serverConnection.getName(), s); |
| writeErrorResponse(clientMessage, MessageType.UNREGISTER_INTEREST_DATA_ERROR, s, |
| serverConnection); |
| serverConnection.setAsTrue(RESPONDED); |
| return; |
| } |
| |
| try { |
| if (interestType == InterestType.REGULAR_EXPRESSION) { |
| securityService.authorize(Resource.DATA, Operation.READ, regionName); |
| } else { |
| securityService.authorize(Resource.DATA, Operation.READ, regionName, key); |
| } |
| } catch (NotAuthorizedException ex) { |
| writeException(clientMessage, ex, false, serverConnection); |
| serverConnection.setAsTrue(RESPONDED); |
| return; |
| } |
| |
| AuthorizeRequest authzRequest = serverConnection.getAuthzRequest(); |
| if (authzRequest != null) { |
| if (!DynamicRegionFactory.regionIsDynamicRegionList(regionName)) { |
| try { |
| UnregisterInterestOperationContext unregisterContext = |
| authzRequest.unregisterInterestAuthorize(regionName, key, interestType); |
| key = unregisterContext.getKey(); |
| } catch (NotAuthorizedException ex) { |
| writeException(clientMessage, ex, false, serverConnection); |
| serverConnection.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 unregister |
| * interest request"); writeErrorResponse(msg, MessageType.UNREGISTER_INTEREST_DATA_ERROR); |
| * responded = true; } else { |
| */ |
| // Unregister interest irrelevant of whether the region is present it or |
| // not |
| serverConnection.getAcceptor().getCacheClientNotifier().unregisterClientInterest(regionName, |
| key, interestType, isClosing, serverConnection.getProxyID(), keepalive); |
| |
| // Update the statistics and write the reply |
| // bserverStats.incLong(processDestroyTimeId, |
| // DistributionStats.getStatTime() - start); |
| // start = DistributionStats.getStatTime(); |
| writeReply(clientMessage, serverConnection); |
| serverConnection.setAsTrue(RESPONDED); |
| if (logger.isDebugEnabled()) { |
| logger.debug("{}: Sent unregister interest response for region {} key {}", |
| serverConnection.getName(), regionName, key); |
| } |
| // bserverStats.incLong(writeDestroyResponseTimeId, |
| // DistributionStats.getStatTime() - start); |
| // bserverStats.incInt(destroyResponsesId, 1); |
| // } |
| } |
| |
| } |