com.xing.netty.client.DiscardClient.java Source code

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Here is the source code for com.xing.netty.client.DiscardClient.java

Source

package com.xing.netty.client;

/*
 * 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.
 */

import io.netty.bootstrap.Bootstrap;
import io.netty.buffer.ByteBuf;
import io.netty.buffer.Unpooled;
import io.netty.channel.Channel;
import io.netty.channel.ChannelFuture;
import io.netty.channel.ChannelInitializer;
import io.netty.channel.ChannelOption;
import io.netty.channel.ChannelPipeline;
import io.netty.channel.EventLoopGroup;
import io.netty.channel.nio.NioEventLoopGroup;
import io.netty.channel.socket.nio.NioSocketChannel;
import io.netty.handler.codec.DelimiterBasedFrameDecoder;
import io.netty.handler.codec.LineBasedFrameDecoder;
import io.netty.handler.codec.string.StringDecoder;
import io.netty.handler.ssl.SslContext;
import io.netty.handler.ssl.util.InsecureTrustManagerFactory;

/**
 * Keeps sending random data to the specified address.
 */
public final class DiscardClient {

    static final boolean SSL = System.getProperty("ssl") != null;
    static final String HOST = System.getProperty("host", "127.0.0.1");
    static final int PORT = Integer.parseInt(System.getProperty("port", "8009"));
    static final int SIZE = Integer.parseInt(System.getProperty("size", "256"));

    public static void main(String[] args) throws Exception {
        // Configure SSL.
        final SslContext sslCtx;
        if (SSL) {
            sslCtx = SslContext.newClientContext(InsecureTrustManagerFactory.INSTANCE);
        } else {
            sslCtx = null;
        }

        EventLoopGroup group = new NioEventLoopGroup();
        try {
            Bootstrap b = new Bootstrap();
            b.group(group).channel(NioSocketChannel.class).option(ChannelOption.TCP_NODELAY, true)
                    .handler(new ChannelInitializer<Channel>() {

                        @Override
                        protected void initChannel(Channel ch) throws Exception {
                            ChannelPipeline p = ch.pipeline();
                            // if (sslCtx != null) {
                            // p.addLast(sslCtx.newHandler(ch.alloc(), HOST,
                            // PORT));
                            // }
                            // p.addLast(new DiscardClientHandler());
                            ByteBuf delimiter = Unpooled.copiedBuffer("$_".getBytes());
                            p.addLast(new DelimiterBasedFrameDecoder(1024, delimiter));
                            // p.addLast(new LineBasedFrameDecoder(1024));
                            p.addLast(new StringDecoder());
                            p.addLast(new TimeClientHandler());
                        }
                    });
            // Make the connection attempt.
            ChannelFuture f = b.connect(HOST, PORT).sync();

            // Wait until the connection is closed.
            f.channel().closeFuture().sync();
        } catch (Exception e) {
            System.out.println(e);
        } finally {
            group.shutdownGracefully();
        }
    }
}