cc.ly.mc.client.netty.SocketClient.java Source code

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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 cc.ly.mc.client.netty;

import cc.ly.mc.core.message.Message;
import io.netty.bootstrap.Bootstrap;
import io.netty.channel.Channel;
import io.netty.channel.ChannelOption;
import io.netty.channel.oio.OioEventLoopGroup;
import io.netty.channel.socket.oio.OioSocketChannel;
import io.netty.util.concurrent.Future;
import io.netty.util.concurrent.GenericFutureListener;

/**
 * Echoes back any received data from a client.
 */
public class SocketClient extends Thread {

    private final String host;
    private final int port;

    private OioEventLoopGroup worker;

    private Channel channel;

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

    public void run() {
        // Configure the server.
        worker = new OioEventLoopGroup();
        Bootstrap b = new Bootstrap();
        b.group(worker).channel(OioSocketChannel.class).option(ChannelOption.SO_KEEPALIVE, true)
                .option(ChannelOption.SO_REUSEADDR, true).handler(new SocketClientInitializer());
        // Start the client.
        channel = b.connect(host, port).channel();
    }

    public void close() {
        channel.close();
        worker.shutdownGracefully();
    }

    public boolean ready() {
        if (channel != null) {
            return channel.isOpen();
        }
        return false;
    }

    public void write(Message message) {
        channel.writeAndFlush(message).addListener(new GenericFutureListener<Future<Void>>() {
            @Override
            public void operationComplete(Future future) throws Exception {
                if (!future.isSuccess()) {
                    System.out.println("failed to send message");
                }
            }
        });
    }
}