org.apache.hadoop.mpich.appmaster.netty.ServerChannelInitializer.java Source code

Introduction

Here is the source code for org.apache.hadoop.mpich.appmaster.netty.ServerChannelInitializer.java

Source

/*
 * 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.hadoop.mpich.appmaster.netty;

import io.netty.channel.ChannelInitializer;
import io.netty.channel.ChannelPipeline;
import io.netty.channel.socket.SocketChannel;
import io.netty.handler.codec.LineBasedFrameDecoder;
import io.netty.handler.codec.string.StringDecoder;
import io.netty.handler.codec.string.StringEncoder;
import io.netty.handler.logging.LogLevel;
import io.netty.handler.logging.LoggingHandler;
import org.apache.hadoop.mpich.appmaster.MpiProcessManager;
import org.apache.hadoop.mpich.appmaster.pmi.PMIClientCommandHandler;

public class ServerChannelInitializer extends ChannelInitializer<SocketChannel> {
    private MpiProcessManager manager;

    public ServerChannelInitializer(MpiProcessManager manager) {
        this.manager = manager;
    }

    @Override
    public void initChannel(SocketChannel ch) throws Exception {
        ChannelPipeline pipeline = ch.pipeline();
        PMIClientCommandHandler handler = new PMIClientCommandHandler(manager, ch);
        pipeline.addLast(new LineBasedFrameDecoder(256));
        pipeline.addLast(new StringEncoder());
        pipeline.addLast(new StringDecoder());
        pipeline.addLast(new LoggingHandler(LogLevel.INFO));
        pipeline.addLast(new ClientChannelHandler(handler));
    }
}