| /** |
| * 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.storm.pacemaker.codec; |
| |
| import org.apache.storm.messaging.netty.KerberosSaslClientHandler; |
| import org.apache.storm.messaging.netty.SaslStormClientHandler; |
| import org.apache.storm.security.auth.AuthUtils; |
| import java.io.IOException; |
| import java.util.Map; |
| import org.apache.storm.pacemaker.PacemakerClient; |
| import org.apache.storm.pacemaker.PacemakerClientHandler; |
| import org.jboss.netty.channel.ChannelPipeline; |
| import org.jboss.netty.channel.ChannelPipelineFactory; |
| import org.jboss.netty.channel.Channels; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| public class ThriftNettyClientCodec { |
| |
| public static final String SASL_HANDLER = "sasl-handler"; |
| public static final String KERBEROS_HANDLER = "kerberos-handler"; |
| |
| public enum AuthMethod { |
| DIGEST, |
| KERBEROS, |
| NONE |
| }; |
| |
| private static final Logger LOG = LoggerFactory |
| .getLogger(ThriftNettyClientCodec.class); |
| |
| private PacemakerClient client; |
| private AuthMethod authMethod; |
| private Map storm_conf; |
| |
| public ThriftNettyClientCodec(PacemakerClient pacemaker_client, Map storm_conf, AuthMethod authMethod) { |
| client = pacemaker_client; |
| this.authMethod = authMethod; |
| this.storm_conf = storm_conf; |
| } |
| |
| public ChannelPipelineFactory pipelineFactory() { |
| return new ChannelPipelineFactory() { |
| public ChannelPipeline getPipeline() { |
| ChannelPipeline pipeline = Channels.pipeline(); |
| pipeline.addLast("encoder", new ThriftEncoder()); |
| pipeline.addLast("decoder", new ThriftDecoder()); |
| |
| if (authMethod == AuthMethod.KERBEROS) { |
| try { |
| LOG.debug("Adding KerberosSaslClientHandler to pacemaker client pipeline."); |
| pipeline.addLast(KERBEROS_HANDLER, |
| new KerberosSaslClientHandler(client, |
| storm_conf, |
| AuthUtils.LOGIN_CONTEXT_PACEMAKER_CLIENT)); |
| } |
| catch (IOException e) { |
| throw new RuntimeException(e); |
| } |
| } |
| else if(authMethod == AuthMethod.DIGEST) { |
| try { |
| LOG.debug("Adding SaslStormClientHandler to pacemaker client pipeline."); |
| pipeline.addLast(SASL_HANDLER, new SaslStormClientHandler(client)); |
| } |
| catch (IOException e) { |
| throw new RuntimeException(e); |
| } |
| } |
| else { |
| client.channelReady(); |
| } |
| |
| pipeline.addLast("PacemakerClientHandler", new PacemakerClientHandler(client)); |
| return pipeline; |
| } |
| }; |
| } |
| } |