手撸RPC框架 - 服务消费者整合注册中心
大家好,我是小趴菜,接下来我会从0到1手写一个RPC框架,该专题包括以下专题,有兴趣的小伙伴就跟着我一起学习吧
本章源码地址:gitee.com/baojh123/se…
自定义注解 -> opt-01
服务提供者收发消息基础实现 -> opt-01
自定义网络传输协议的实现 -> opt-02
自定义编解码实现 -> opt-03
服务提供者调用真实方法实现 -> opt-04
完善服务消费者发送消息基础功能 -> opt-05
注册中心基础功能实现 -> opt-06
服务提供者整合注册中心 -> opt-07
服务消费者整合注册中心 -> opt-08
完善服务消费者接收响应结果 -> opt-09
服务消费者,服务提供者整合SpringBoot -> opt-10
动态代理屏蔽RPC服务调用底层细节 -> opt-10
SPI机制基础功能实现 -> opt-11
SPI机制扩展随机负载均衡策略 -> opt-12
SPI机制扩展轮询负载均衡策略 -> opt-13
SPI机制扩展JDK序列化 -> opt-14
SPI机制扩展JSON序列化 -> opt-15
SPI机制扩展protustuff序列化 -> opt-16
前言
在上一章中,我们已经将服务提供者整合到了springboot中,并且成功的将服务注册到了注册中心,接下来就是将服务消费者和springboot整合,然后从注册中心获取服务,进而调用服务提供者的服务返回结果了
实现
修改 xpc-rpc-consumer 的pom.xml
<?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">
<parent>
<artifactId>xpc-rpc</artifactId>
<groupId>com.xpc</groupId>
<version>1.0-SNAPSHOT</version>
</parent>
<modelVersion>4.0.0</modelVersion>
<artifactId>xpc-rpc-consumer</artifactId>
<dependencies>
<dependency>
<groupId>com.xpc</groupId>
<artifactId>xpc-rpc-codec</artifactId>
<version>1.0-SNAPSHOT</version>
</dependency>
<dependency>
<groupId>com.xpc</groupId>
<artifactId>xpc-rpc-protocol</artifactId>
<version>1.0-SNAPSHOT</version>
</dependency>
<dependency>
<groupId>com.xpc</groupId>
<artifactId>xpc-rpc-register-zookeeper</artifactId>
<version>1.0-SNAPSHOT</version>
</dependency>
<!-- 新增依赖 -->
<dependency>
<groupId>com.xpc</groupId>
<artifactId>xpc-rpc-register-common</artifactId>
<version>1.0-SNAPSHOT</version>
</dependency>
</dependencies>
</project>
服务消费者的改造就已经完成了,接下来就是测试了
测试
新建 xpc-rpc-web-consumer模块,pom.xml文件如下:
<?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">
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>2.2.6.RELEASE</version>
</parent>
<modelVersion>4.0.0</modelVersion>
<artifactId>xpc-rpc-web-consumer</artifactId>
<properties>
<maven.compiler.source>8</maven.compiler.source>
<maven.compiler.target>8</maven.compiler.target>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<spring.boot.version>2.2.6.RELEASE</spring.boot.version>
</properties>
<dependencyManagement>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-dependencies</artifactId>
<version>${spring.boot.version}</version>
<type>pom</type>
<scope>import</scope>
</dependency>
</dependencies>
</dependencyManagement>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
<exclusions>
<exclusion>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-tomcat</artifactId>
</exclusion>
<exclusion>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-logging</artifactId>
</exclusion>
</exclusions>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-undertow</artifactId>
</dependency>
<!-- 引入服务消费者依赖 -->
<dependency>
<groupId>com.xpc</groupId>
<artifactId>xpc-rpc-consumer</artifactId>
<version>1.0-SNAPSHOT</version>
</dependency>
<dependency>
<groupId>com.xpc</groupId>
<artifactId>xpc-rpc-wen-interfaces</artifactId>
<version>1.0-SNAPSHOT</version>
</dependency>
</dependencies>
</project>
创建配置文件 resources/application.yml
xpc:
registerAddress: 127.0.0.1:2181
registerType: zookeeper
registerPort: 21770
packageName: com.xpc
server:
port: 8081
创建启动类
package com.xpc.consumer;
import com.xpc.rpc.common.enums.RpcMsgType;
import com.xpc.rpc.consumer.RpcConsumer;
import com.xpc.rpc.protocol.ProtocolMessage;
import com.xpc.rpc.protocol.header.RpcHeader;
import com.xpc.rpc.protocol.request.RpcRequest;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RestController;
@RestController
@SpringBootApplication
public class App {
public static void main(String[] args) {
SpringApplication.run(App.class,args);
}
@GetMapping("/consumer")
public String test() throws Exception{
RpcConsumer rpcConsumer = new RpcConsumer();
rpcConsumer.sendRequest(getRequest());
Thread.sleep(5000);
rpcConsumer.close();
return "ok";
}
private ProtocolMessage<RpcRequest> getRequest() {
ProtocolMessage<RpcRequest> protocolMessage = new ProtocolMessage<RpcRequest>();
RpcHeader rpcHeader = new RpcHeader();
rpcHeader.setMsgType(RpcMsgType.REQUEST.getType());
rpcHeader.setRequestId(1L);
RpcRequest rpcRequest = new RpcRequest();
rpcRequest.setClassName("com.xpc.interfaces.UserService");
rpcRequest.setMethodName("hello");
rpcRequest.setParameterTypes(new Class[]{String.class});
rpcRequest.setParameters(new Object[]{"coco"});
protocolMessage.setRpcHeader(rpcHeader);
protocolMessage.setT(rpcRequest);
return protocolMessage;
}
}
我们先启动 xpc-rpc-web-provider这个服务,然后在浏览器输入:localhost:8080/test 来启动Netty服务
然后启动 xpc-rpc-web-consumer服务,然后在浏览器输入:localhost:8080/consumer
可以看到正常返回了结果
转载自:https://juejin.cn/post/7254123972430086205