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What's the ZNS is an implementation of distribution RPC.
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README.md

ZNS

What's the ZNS is an implementation of distribution RPC.

1 Introduction

ZNS是一个分布式RPC框架。

  • 通过Zookeeper实现服务的注册与发现

  • 基于Netty实现底层网络通信

  • 采用Spring实现最小依赖注入

2 Feature LIST

  • 服务注册
  • 服务发现
  • 网络通信层
  • 服务异步调用
  • 灵活的水平扩容、缩容
  • 服务生产者与Zookeeper心跳机制
  • 更多的集群服务路由策略
  • 服务监控
  • 服务降级
  • 服务版本控制

3 Architecture

3.1 zns-server

ZNS 服务端:提供了服务注册,接受client端Connector连接,反射调用服务等

3.2 zns-client

ZNS 客户端:提供了服务发现,请求连接server端Acceptor,服务代理等

4 How to use

4.1 服务提供端

  • 添加 zns-server 依赖包
<dependency>
    <groupId>com.buildupchao</groupId>
    <artifactId>zns-service-api</artifactId>
    <version>0.0.1-SNAPSHOT</version>
    <exclusions>
        <exclusion>
            <groupId>org.springframework</groupId>
            <artifactId>spring-context</artifactId>
        </exclusion>
    </exclusions>
</dependency>    
  • 添加扫描包路径ZnsServerPackage.class以及启动调用方法znsServerRunner.run()
@ComponentScan(
        basePackages = "com.buildupchao.zns.service.provider",
        basePackageClasses = ZnsServerPackage.class
)
@SpringBootApplication
public class ZnsServiceProviderApplication implements ApplicationRunner {

    private static final Logger LOGGER = LoggerFactory.getLogger(ZnsServiceProviderApplication.class);

    @Autowired
    private ZnsServerRunner znsServerRunner;

    public static void main(String[] args) {
        SpringApplication.run(ZnsServiceProviderApplication.class, args);

        LOGGER.info("Zns service provider application startup successfully");

    }

    @Override
    public void run(ApplicationArguments applicationArguments) throws Exception {
        znsServerRunner.run();
    }
}
  • 在application.yml中配置属性
zns:
  server:
      zk:
        root: /zns
        addr: localhost:2181
        switch: true
  network:
      port: 8888

4.2 服务消费端

  • 添加 zns-client 依赖包
<dependency>
    <groupId>com.buildupchao</groupId>
    <artifactId>zns-client</artifactId>
    <version>1.0-SNAPSHOT</version>
    <exclusions>
        <exclusion>
            <groupId>org.springframework</groupId>
            <artifactId>spring-context</artifactId>
        </exclusion>
    </exclusions>
</dependency>
  • 添加扫描包路径ZnsClientPackage.class以及启动调用方法znsClientRunner.run()
@ComponentScan(
        basePackages = "com.buildupchao.zns.service.consumer",
        basePackageClasses = ZnsClientPackage.class
)
@SpringBootApplication
public class ZnsServiceConsumerApplication implements ApplicationRunner {

    @Autowired
    private ZnsClientRunner znsClientRunner;

    public static void main(String[] args) {
        SpringApplication.run(ZnsServiceConsumerApplication.class, args);
    }

    @Override
    public void run(ApplicationArguments applicationArguments) throws Exception {
        znsClientRunner.run();
    }
}
  • 在application.yml中配置属性
zns:
  client:
      zk:
        root: /zns
        addr: localhost:2181
        switch: true
      api:
        package: com.buildupchao.zns.service.api

4.3 公共APIzns-service-api需要引入zns-api包依赖

<dependency>
    <groupId>com.buildupchao</groupId>
    <artifactId>zns-api</artifactId>
    <version>1.0-SNAPSHOT</version>
</dependency>

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