| /* |
| * 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.distributed.internal; |
| |
| import java.io.DataInputStream; |
| import java.io.IOException; |
| import java.net.Socket; |
| |
| import org.apache.logging.log4j.Logger; |
| |
| import org.apache.geode.cache.IncompatibleVersionException; |
| import org.apache.geode.distributed.internal.tcpserver.ProtocolChecker; |
| import org.apache.geode.internal.cache.client.protocol.ClientProtocolProcessor; |
| import org.apache.geode.internal.cache.client.protocol.ClientProtocolService; |
| import org.apache.geode.internal.cache.client.protocol.ClientProtocolServiceLoader; |
| import org.apache.geode.internal.cache.client.protocol.exception.ServiceLoadingFailureException; |
| import org.apache.geode.internal.cache.client.protocol.exception.ServiceVersionNotFoundException; |
| import org.apache.geode.internal.cache.tier.CommunicationMode; |
| import org.apache.geode.internal.cache.tier.sockets.Handshake; |
| import org.apache.geode.logging.internal.log4j.api.LogService; |
| |
| public class ProtocolCheckerImpl implements ProtocolChecker { |
| private static final Logger logger = LogService.getLogger(); |
| public final InternalLocator internalLocator; |
| public final ClientProtocolServiceLoader clientProtocolServiceLoader; |
| |
| public ProtocolCheckerImpl( |
| final InternalLocator internalLocator, |
| final ClientProtocolServiceLoader clientProtocolServiceLoader) { |
| this.internalLocator = internalLocator; |
| this.clientProtocolServiceLoader = clientProtocolServiceLoader; |
| } |
| |
| |
| @Override |
| public boolean checkProtocol(final Socket socket, final DataInputStream input, |
| final int firstByte) throws Exception { |
| boolean handled = false; |
| if (firstByte == CommunicationMode.ProtobufClientServerProtocol.getModeNumber()) { |
| handleProtobufConnection(socket, input); |
| handled = true; |
| } else if (CommunicationMode.isValidMode(firstByte)) { |
| socket.getOutputStream().write(Handshake.REPLY_SERVER_IS_LOCATOR); |
| throw new Exception("Improperly configured client detected - use addPoolLocator to " |
| + "configure its locators instead of addPoolServer."); |
| } |
| return handled; |
| } |
| |
| public void handleProtobufConnection(Socket socket, DataInputStream input) throws Exception { |
| if (!Boolean.getBoolean("geode.feature-protobuf-protocol")) { |
| logger.warn("Incoming protobuf connection, but protobuf not enabled on this locator."); |
| socket.close(); |
| return; |
| } |
| |
| try { |
| ClientProtocolService clientProtocolService = clientProtocolServiceLoader.lookupService(); |
| clientProtocolService.initializeStatistics("LocatorStats", |
| internalLocator.getDistributedSystem()); |
| try (ClientProtocolProcessor pipeline = clientProtocolService.createProcessorForLocator( |
| internalLocator, internalLocator.getCache().getSecurityService())) { |
| while (!pipeline.socketProcessingIsFinished()) { |
| pipeline.processMessage(input, socket.getOutputStream()); |
| } |
| } catch (IncompatibleVersionException e) { |
| // should not happen on the locator as there is no handshake. |
| logger.error("Unexpected exception in client message processing", e); |
| } |
| } catch (ServiceLoadingFailureException e) { |
| logger.error("There was an error looking up the client protocol service", e); |
| socket.close(); |
| throw new IOException("There was an error looking up the client protocol service", e); |
| } catch (ServiceVersionNotFoundException e) { |
| logger.error("Unable to find service matching the client protocol version byte", e); |
| socket.close(); |
| throw new IOException("Unable to find service matching the client protocol version byte", e); |
| } |
| } |
| } |