com.alibaba.middleware.race.mom.netty.NettyServerHandler.java Source code

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Here is the source code for com.alibaba.middleware.race.mom.netty.NettyServerHandler.java

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/*
 * Copyright 2012 The Netty Project
 *
 * The Netty Project 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 com.alibaba.middleware.race.mom.netty;

import java.io.UnsupportedEncodingException;
import java.util.logging.Logger;

import com.alibaba.middleware.race.mom.BrokerEngine;
import com.alibaba.middleware.race.mom.ControlMessage;
import com.alibaba.middleware.race.mom.Message;

import io.netty.channel.Channel;
import io.netty.channel.ChannelHandler.Sharable;
import io.netty.channel.ChannelHandlerContext;
import io.netty.channel.ChannelInboundHandlerAdapter;

/**
 * Handler implementation for the echo server.
 */
@Sharable
public class NettyServerHandler extends ChannelInboundHandlerAdapter {
    private static final Logger LOG = Logger.getLogger(NettyServerHandler.class.getCanonicalName());
    private final BrokerEngine brokerEngine = BrokerEngine.getInstance();

    @Override
    public void channelRead(ChannelHandlerContext ctx, Object msg) throws UnsupportedEncodingException {
        Channel channel = ctx.channel();
        LOG.info("message read: \r\n" + msg);
        if (msg instanceof Message) {
            Message myMsg = (Message) msg;
            //          
            //          System.out.println("message id : " + myMsg.getMsgId() + " , message delay after netty server received : " + (System.currentTimeMillis() - myMsg.getBornTime()));

            brokerEngine.onMessageReceived(myMsg, ctx.channel());
        } else {
            ControlMessage myMsg = (ControlMessage) msg;
            brokerEngine.onCtrlMsgReceived(myMsg, channel);
        }
    }

    @Override
    public void channelReadComplete(ChannelHandlerContext ctx) {
        ctx.flush();
    }

    @Override
    public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) {
        cause.printStackTrace();

        brokerEngine.onChannelCloseAbnormally(ctx.channel());
        ctx.close();
    }
}