| /** |
| * 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 java.io.IOException; |
| import java.util.Map; |
| import org.apache.storm.messaging.netty.KerberosSaslClientHandler; |
| import org.apache.storm.messaging.netty.SaslStormClientHandler; |
| import org.apache.storm.pacemaker.PacemakerClient; |
| import org.apache.storm.pacemaker.PacemakerClientHandler; |
| import org.apache.storm.security.auth.ClientAuthUtils; |
| import org.apache.storm.shade.io.netty.channel.Channel; |
| import org.apache.storm.shade.io.netty.channel.ChannelInitializer; |
| import org.apache.storm.shade.io.netty.channel.ChannelPipeline; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| public class ThriftNettyClientCodec extends ChannelInitializer<Channel> { |
| |
| public static final String SASL_HANDLER = "sasl-handler"; |
| public static final String KERBEROS_HANDLER = "kerberos-handler"; |
| private static final Logger LOG = LoggerFactory |
| .getLogger(ThriftNettyClientCodec.class); |
| |
| private final int thriftMessageMaxSize; |
| private final PacemakerClient client; |
| private final AuthMethod authMethod; |
| private final Map<String, Object> topoConf; |
| private final String host; |
| |
| public ThriftNettyClientCodec(PacemakerClient pacemaker_client, Map<String, Object> topoConf, |
| AuthMethod authMethod, String host, int thriftMessageMaxSizeBytes) { |
| client = pacemaker_client; |
| this.authMethod = authMethod; |
| this.topoConf = topoConf; |
| this.host = host; |
| thriftMessageMaxSize = thriftMessageMaxSizeBytes; |
| } |
| |
| @Override |
| protected void initChannel(Channel ch) throws Exception { |
| ChannelPipeline pipeline = ch.pipeline(); |
| pipeline.addLast("encoder", new ThriftEncoder()); |
| pipeline.addLast("decoder", new ThriftDecoder(thriftMessageMaxSize)); |
| |
| if (authMethod == AuthMethod.KERBEROS) { |
| try { |
| LOG.debug("Adding KerberosSaslClientHandler to pacemaker client pipeline."); |
| pipeline.addLast(KERBEROS_HANDLER, |
| new KerberosSaslClientHandler(client, |
| topoConf, |
| ClientAuthUtils.LOGIN_CONTEXT_PACEMAKER_CLIENT, |
| host)); |
| } 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(ch); |
| } |
| |
| pipeline.addLast("PacemakerClientHandler", new PacemakerClientHandler(client)); |
| } |
| |
| public enum AuthMethod { |
| DIGEST, |
| KERBEROS, |
| NONE |
| } |
| } |