Files
netty/learn-netty4/src/main/java/com/flydean13/customprotocol/CustomProtocolClient.java
2023-08-27 10:27:58 +08:00

57 lines
2.0 KiB
Java

/*
* Copyright 2022 learn-netty4 Project
*
* The learn-netty4 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:
*
* https://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.flydean13.customprotocol;
import io.netty.bootstrap.Bootstrap;
import io.netty.channel.ChannelFuture;
import io.netty.channel.EventLoopGroup;
import io.netty.channel.nio.NioEventLoopGroup;
import io.netty.channel.socket.nio.NioSocketChannel;
import lombok.extern.slf4j.Slf4j;
/**
* 自定义协议客户端
*/
@Slf4j
public final class CustomProtocolClient {
static final String HOST = System.getProperty("host", "127.0.0.1");
static final int PORT = Integer.parseInt(System.getProperty("port", "8000"));
static final int COUNT = Integer.parseInt(System.getProperty("count", "100"));
public static void main(String[] args) throws Exception {
EventLoopGroup group = new NioEventLoopGroup();
try {
Bootstrap b = new Bootstrap();
b.group(group)
.channel(NioSocketChannel.class)
.handler(new CustomProtocolClientInitializer());
// 建立连接
ChannelFuture f = b.connect(HOST, PORT).sync();
// 获取自定义handler
CustomProtocolClientHandler handler =
(CustomProtocolClientHandler) f.channel().pipeline().last();
// 打印结果
log.info("2的{}次方是:{}",COUNT, handler.getResult());
} finally {
group.shutdownGracefully();
}
}
}