| /* |
| * 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.tinkerpop.gremlin.server.channel; |
| |
| import org.apache.tinkerpop.gremlin.driver.simple.WebSocketClient; |
| import org.apache.tinkerpop.gremlin.server.AbstractChannelizer; |
| import org.apache.tinkerpop.gremlin.server.Channelizer; |
| import org.apache.tinkerpop.gremlin.server.auth.AllowAllAuthenticator; |
| import org.apache.tinkerpop.gremlin.server.handler.GremlinResponseFrameEncoder; |
| import org.apache.tinkerpop.gremlin.server.handler.NioGremlinBinaryRequestDecoder; |
| import io.netty.channel.ChannelPipeline; |
| import io.netty.handler.logging.LogLevel; |
| import io.netty.handler.logging.LoggingHandler; |
| import org.apache.tinkerpop.gremlin.server.handler.NioGremlinResponseFrameEncoder; |
| import org.apache.tinkerpop.gremlin.server.handler.SaslAuthenticationHandler; |
| import org.apache.tinkerpop.gremlin.server.util.ServerGremlinExecutor; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| /** |
| * A {@link Channelizer} that exposes an NIO-based Gremlin endpoint with a custom protocol. |
| * |
| * @author Stephen Mallette (http://stephen.genoprime.com) |
| * @deprecated As of release 3.3.10, not replaced, use {@link WebSocketClient}. |
| */ |
| @Deprecated |
| public class NioChannelizer extends AbstractChannelizer { |
| private static final Logger logger = LoggerFactory.getLogger(NioChannelizer.class); |
| |
| private SaslAuthenticationHandler authenticationHandler; |
| private GremlinResponseFrameEncoder gremlinResponseFrameEncoder; |
| private NioGremlinResponseFrameEncoder nioGremlinResponseFrameEncoder; |
| |
| @Override |
| public void init(final ServerGremlinExecutor serverGremlinExecutor) { |
| super.init(serverGremlinExecutor); |
| |
| // configure authentication - null means don't bother to add authentication to the pipeline |
| if (authenticator != null) |
| authenticationHandler = authenticator.getClass() == AllowAllAuthenticator.class ? |
| null : new SaslAuthenticationHandler(authenticator, settings.authentication); |
| |
| gremlinResponseFrameEncoder = new GremlinResponseFrameEncoder(); |
| nioGremlinResponseFrameEncoder = new NioGremlinResponseFrameEncoder(); |
| } |
| |
| @Override |
| public void configure(final ChannelPipeline pipeline) { |
| if (logger.isDebugEnabled()) |
| pipeline.addLast(new LoggingHandler("log-io", LogLevel.DEBUG)); |
| |
| pipeline.addLast("nio-frame-encoder", nioGremlinResponseFrameEncoder); |
| pipeline.addLast("response-frame-encoder", gremlinResponseFrameEncoder); |
| pipeline.addLast("request-binary-decoder", new NioGremlinBinaryRequestDecoder(serializers)); |
| |
| if (logger.isDebugEnabled()) |
| pipeline.addLast(new LoggingHandler("log-codec", LogLevel.DEBUG)); |
| |
| if (authenticationHandler != null) |
| pipeline.addLast(PIPELINE_AUTHENTICATOR, authenticationHandler); |
| } |
| } |