/*
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* Copyright 2012 The Netty Project
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*
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* The Netty Project licenses this file to you under the Apache License,
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* version 2.0 (the "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at:
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*/
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package com.ld.io.netty.client;
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import io.netty.bootstrap.Bootstrap;
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import io.netty.buffer.ByteBuf;
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import io.netty.buffer.Unpooled;
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import io.netty.channel.*;
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import io.netty.channel.oio.OioEventLoopGroup;
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import io.netty.channel.socket.SocketChannel;
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import io.netty.channel.socket.oio.OioSocketChannel;
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import io.netty.handler.codec.DelimiterBasedFrameDecoder;
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import io.netty.handler.codec.bytes.ByteArrayDecoder;
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import io.netty.handler.codec.bytes.ByteArrayEncoder;
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import java.io.UnsupportedEncodingException;
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/**
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* Keeps sending random data to the specified address.
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*/
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public final class TcpClient implements Runnable {
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static final String HOST = System.getProperty("host", "127.0.0.1");
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static final int PORT = Integer.parseInt(System.getProperty("port", "9005"));
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final TestTempClientHandler testTempClientHandler = new TestTempClientHandler();
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private ByteBuf delimiter = Unpooled.copiedBuffer("<END>".getBytes("UTF-8"));
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private ChannelFuture channelFuture;
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public TcpClient() throws UnsupportedEncodingException {
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}
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public void start() {
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Thread thread = new Thread(this);
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thread.start();
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}
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public void send(byte[] array) {
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ChannelHandlerContext ctx = testTempClientHandler.getCtx();
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try {
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ctx.writeAndFlush(Unpooled.copiedBuffer(array)).sync();
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} catch (InterruptedException e) {
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e.printStackTrace();
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}
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}
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@Override
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public void run() {
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EventLoopGroup group = new OioEventLoopGroup();
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try {
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Bootstrap b = new Bootstrap();
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b.group(group)
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.channel(OioSocketChannel.class)
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.handler(new ChannelInitializer<SocketChannel>() {
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@Override
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protected void initChannel(SocketChannel ch) throws Exception {
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ChannelPipeline p = ch.pipeline();
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p.addLast("framer", new DelimiterBasedFrameDecoder(2048, delimiter));
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// 字符串解码 和 编码
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p.addLast("decoder", new ByteArrayDecoder());
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p.addLast("encoder", new ByteArrayEncoder());
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// 自己的逻辑Handler
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p.addLast("handler", testTempClientHandler);
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}
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});
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// Make the connection attempt.
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channelFuture = b.connect(HOST, PORT).sync();
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channelFuture.channel().closeFuture().sync();
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} catch (Exception e) {
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e.printStackTrace();
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} finally {
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group.shutdownGracefully();
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}
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}
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}
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