com.system.distribute.server.FileClient.java Source code

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Here is the source code for com.system.distribute.server.FileClient.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.system.distribute.server;

import io.netty.bootstrap.Bootstrap;
import io.netty.channel.ChannelHandler.Sharable;
import io.netty.channel.ChannelFuture;
import io.netty.channel.ChannelHandlerContext;

import io.netty.channel.ChannelOption;

import io.netty.channel.SimpleChannelInboundHandler;

import java.net.InetSocketAddress;

import com.system.common.ChannelType;
import com.system.distribute.client.BootstrapFactory;

/**
 * Server that accept the path of a file an echo back its content.
 */
public class FileClient {

    private final int port;
    private final String host;

    public FileClient(String host, int port) {
        this.host = host;
        this.port = port;
    }

    public ChannelFuture run() throws Exception {
        // Configure the server.
        final Bootstrap bootstrap = BootstrapFactory.createBootstrap(ChannelType.NIO);

        bootstrap.handler(new FileClientHandler());
        bootstrap.option(ChannelOption.TCP_NODELAY, true);
        bootstrap.option(ChannelOption.SO_KEEPALIVE, true);
        bootstrap.option(ChannelOption.CONNECT_TIMEOUT_MILLIS, 3000);

        try {
            final ChannelFuture channelFuture = bootstrap.connect(new InetSocketAddress(host, port)).sync();
            channelFuture.awaitUninterruptibly();

        } catch (InterruptedException e) {

        }

        // Start the server.
        ChannelFuture f = bootstrap.bind(port).sync();

        // Wait until the server socket is closed.
        f.channel().closeFuture().sync();
        return f;

    }

    public static void main(String[] args) throws Exception {
        int port;
        if (args.length > 0) {
            port = Integer.parseInt(args[0]);
        } else {
            port = 8080;
        }
        ChannelFuture fu = new FileClient("localhost", port).run();
        //
    }

    @Sharable
    private static final class FileClientHandler extends SimpleChannelInboundHandler<String> {

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

        @Override
        protected void channelRead0(ChannelHandlerContext ctx, String msg) throws Exception {

            System.out.println("FileClient.FileHandler.channelRead0() " + msg);
        }
    }
}