(二) Nacos Client向Server发送注册请求和心跳请求

文章目录

• • • 1.Nacos Client的自动注册原理和实现
  • 2.Naocs Client向Server发送注册请求
  • 3.Nacos Client向Server发送心跳请求

Nacos Client的任务: 向Server发送注册请求, 向Server发送心跳请求, Client获取所有的服务, Client定时更新本地服务, Client获取要调用服务的提供者列表

1.Nacos Client的自动注册原理和实现

 <dependency>
     <groupId>com.alibaba.cloud</groupId>
     <artifactId>spring-cloud-starter-alibaba-nacos-discovery</artifactId>
 </dependency>

@Configuration(proxyBeanMethods = false)
@Import(AutoServiceRegistrationConfiguration.class)
@ConditionalOnProperty(value = "spring.cloud.service-registry.auto-registration.enabled",
		matchIfMissing = true)
public class AutoServiceRegistrationAutoConfiguration {
   
     

	@Autowired(required = false)
	private AutoServiceRegistration autoServiceRegistration;

	@Autowired
	private AutoServiceRegistrationProperties properties;

	@PostConstruct
	protected void init() {
   
     
		if (this.autoServiceRegistration == null && this.properties.isFailFast()) {
   
     
			throw new IllegalStateException("Auto Service Registration has "
					+ "been requested, but there is no AutoServiceRegistration bean");
		}
	}

}