1.pom依赖
引用spring-boot-starter-webflux依赖
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<?xml version="1.0" encoding="UTF-8"?><project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"> <modelVersion>4.0.0</modelVersion> <parent> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-parent</artifactId> <version>2.1.3.RELEASE</version> <relativePath/> <!-- lookup parent from repository --> </parent> <groupId>com.example</groupId> <artifactId>demo</artifactId> <version>0.0.1-SNAPSHOT</version> <name>demo</name> <description>Demo project for Spring Boot</description> <properties> <java.version>1.8</java.version> </properties> <dependencies> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter</artifactId> </dependency> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-test</artifactId> <scope>test</scope> </dependency> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-webflux</artifactId> </dependency> </dependencies> <build> <plugins> <plugin> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-maven-plugin</artifactId> </plugin> </plugins> </build></project> |
2.创建UDP/TCP Server
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package com.example.demo;import com.example.demo.handler.TcpDecoderHanlder;import com.example.demo.handler.UdpDecoderHanlder;import org.springframework.boot.CommandLineRunner;import org.springframework.boot.SpringApplication;import org.springframework.boot.autoconfigure.SpringBootApplication;import org.springframework.context.annotation.Bean;import reactor.core.publisher.Flux;import reactor.netty.tcp.TcpServer;import reactor.netty.udp.UdpServer;import java.time.Duration;@SpringBootApplicationpublic class DemoApplication { public static void main(String[] args) { SpringApplication.run(DemoApplication.class, args); } @Bean CommandLineRunner serverRunner(UdpDecoderHandler udpDecoderHandler, TcpDecoderHandler tcpDecoderHandler) { return strings -> { createUdpServer(udpDecoderHandler); createTcpServer(tcpDecoderHandler); }; } /** * 创建UDP Server * @param udpDecoderHanlder： 解析UDP Client上报数据handler */ private void createUdpServer(UdpDecoderHandler udpDecoderHandler) { UdpServer.create() .handle((in,out) -> { in.receive() .asByteArray() .subscribe(); return Flux.never(); }) .port(8888) .doOnBound(conn -> conn.addHandlerLast("decoder",udpDecoderHandler)) //可以添加多个handler .bindNow(Duration.ofSeconds(30)); } /** * 创建TCP Server * @param tcpDecoderHanlder： 解析TCP Client上报数据的handler */ private void createTcpServer(TcpDecoderHandler tcpDecoderHandler) { TcpServer.create() .handle((in,out) -> { in.receive() .asByteArray() .subscribe(); return Flux.never(); }) .doOnConnection(conn -> conn.addHandler(tcpDecoderHandler)) //实例只写了如何添加handler,可添加delimiter，tcp生命周期，decoder，encoder等handler .port(9999) .bindNow(); }} |
3.数据解析handler（具体解析根据协议来）
解析UDP数据handler
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package com.example.demo.handler;import io.netty.buffer.ByteBuf;import io.netty.channel.ChannelHandlerContext;import io.netty.channel.socket.DatagramPacket;import io.netty.handler.codec.MessageToMessageDecoder;import org.slf4j.Logger;import org.slf4j.LoggerFactory;import org.springframework.stereotype.Service;import java.util.List;@Servicepublic class UdpDecoderHandler extends MessageToMessageDecoder<DatagramPacket> { private static final Logger LOGGER = LoggerFactory.getLogger(TcpDecoderHandler.class); @Override protected void decode(ChannelHandlerContext channelHandlerContext, DatagramPacket byteBuf, List<Object> list) throws Exception { ByteBuf byteBuf1 = byteBuf.content(); int size = byteBuf1.readableBytes(); byte[] data = new byte[size]; byteBuf1.readBytes(data); LOGGER.info(new String(data)); }} |
解析TCP数据handler
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package com.example.demo.handler;import io.netty.channel.ChannelHandlerContext;import io.netty.handler.codec.MessageToMessageDecoder;import org.slf4j.Logger;import org.slf4j.LoggerFactory;import org.springframework.stereotype.Service;import java.util.List;@Servicepublic class TcpDecoderHandler extends MessageToMessageDecoder { private static final Logger LOGGER = LoggerFactory.getLogger(TcpDecoderHandler.class); @Override protected void decode(ChannelHandlerContext channelHandlerContext, Object o, List list){ LOGGER.info("解析client上报数据"); }} |
4.测试工具
推荐使用SocketTool调试TCP/UDP协议
以上为个人经验，希望能给大家一个参考，也希望大家多多支持服务器之家。
原文链接：https://blog.csdn.net/Peng__Chao/article/details/89478229
