{ public java.lang.Object getProxy(org.apache.dubbo.rpc.Invoker arg0) throws org.apache.dubbo.rpc.RpcException...); } public java.lang.Object getProxy(org.apache.dubbo.rpc.Invoker arg0, boolean arg1) throws org.apache.dubbo.rpc.RpcException...; } public org.apache.dubbo.rpc.Exporter export(org.apache.dubbo.rpc.Invoker arg0) throws org.apache.dubbo.rpc.RpcException...; } public org.apache.dubbo.rpc.Invoker refer(java.lang.Class arg0, org.apache.dubbo.common.URL...URL url = invoker.getUrl(); // export service.
org.apache.dubbo.rpc.ProxyFactory { public java.lang.Object getProxy(org.apache.dubbo.rpc.Invoker...("org.apache.dubbo.rpc.Invoker argument getUrl() == null"); org.apache.dubbo.common.URL url =...IllegalArgumentException("org.apache.dubbo.rpc.Invoker argument == null"); if (arg0.getUrl()...(invoker); } // 构建过滤器调用链 return protocol.export(buildInvokerChain(invoker, SERVICE_FILTER_KEY...参考文档 http://dubbo.apache.org/zh-cn/docs/sourcecodeguide/export-service.html
... ... // create service proxy return (T) PROXY_FACTORY.getProxy(invoker);...org.apache.dubbo.rpc.protocol.ProtocolListenerWrapper org.apache.dubbo.registry.integration.RegistryProtocol...,结构如下: org.apache.dubbo.rpc.cluster.support.wrapper.MockClusterWrapper org.apache.dubbo.rpc.cluster.support.FailbackCluster...进入org.apache.dubbo.rpc.proxy.javassist.JavassistProxyFactory#getProxy: public T getProxy(Invoker<...参考文章 http://dubbo.apache.org/zh-cn/docs/sourcecodeguide/refer-service.html
return protocol.export(buildInvokerChain(invoker, SERVICE_FILTER_KEY, CommonConstants.PROVIDER))...，配置内容如下： echo=org.apache.dubbo.rpc.filter.EchoFilter generic=org.apache.dubbo.rpc.filter.GenericFilter...genericimpl=org.apache.dubbo.rpc.filter.GenericImplFilter token=org.apache.dubbo.rpc.filter.TokenFilter...classloader=org.apache.dubbo.rpc.filter.ClassLoaderFilter context=org.apache.dubbo.rpc.filter.ContextFilter...compatible=org.apache.dubbo.rpc.filter.CompatibleFilter timeout=org.apache.dubbo.rpc.filter.TimeoutFilter
called by " + RpcContext.getContext().getRemoteHost() + ". service: " + invoker.getInterface().getName...} } - 基础使用 - 定义SPI 项目结构说明： 文件定义（Dubbo SPI需要严格按如下路径和文件名） src/main/resources/META-INF/dubbo/org.apache.dubbo.rpc.Filter...; import org.apache.dubbo.common.utils.ConfigUtils; import org.apache.dubbo.rpc.*; import org.apache.dubbo.validation.Validation...; import org.apache.dubbo.validation.Validator; import javax.validation.ConstraintViolation; import...; import static org.apache.dubbo.common.constants.FilterConstants.VALIDATION_KEY; @Activate(group =
file=org.apache.dubbo.rpc.cluster.router.file.FileRouterFactory script=org.apache.dubbo.rpc.cluster.router.script.ScriptRouterFactory...condition=org.apache.dubbo.rpc.cluster.router.condition.ConditionRouterFactory 条件路由 - ConditionRouter...consumer in the service blacklist. consumer: " + NetUtils.getLocalHost() + ", service: " + url.getServiceKey...负载均衡SPI实现类： random=org.apache.dubbo.rpc.cluster.loadbalance.RandomLoadBalance roundrobin=org.apache.dubbo.rpc.cluster.loadbalance.RoundRobinLoadBalance...leastactive=org.apache.dubbo.rpc.cluster.loadbalance.LeastActiveLoadBalance consistenthash=org.apache.dubbo.rpc.cluster.loadbalance.ConsistentHashLoadBalance
) throws RpcException { if (var1 == null) { throw new IllegalArgumentException("org.apache.dubbo.rpc.Invoker...null"); } else if (var1.getUrl() == null) { throw new IllegalArgumentException("org.apache.dubbo.rpc.Invoker...) throws RpcException { if (var1 == null) { throw new IllegalArgumentException("org.apache.dubbo.rpc.Invoker...throw new IllegalArgumentException("org.apache.dubbo.rpc.Invoker argument == null"); } else if...(var1.getUrl() == null) { throw new IllegalArgumentException("org.apache.dubbo.rpc.Invoker
dubbo的AccessLogFilter th (13).jpeg AccessLogFilter dubbo-2.7.3/dubbo-rpc/dubbo-rpc-api/src/main/java/org...* * @param invoker service * @param inv Invocation service method....* @return Result from service method....+ last); file.renameTo(archive); } } } } AccessLogFilter实现了org.apache.dubbo.rpc.Filter...arguments、remote-host、remote-port、localhost、local-port常量；getLogMessage则构建log的输出 小结 AccessLogFilter实现了org.apache.dubbo.rpc.Filter
序 本文主要研究一下dubbo的AccessLogFilter AccessLogFilter dubbo-2.7.3/dubbo-rpc/dubbo-rpc-api/src/main/java/org...* * @param invoker service * @param inv Invocation service method....* @return Result from service method....+ last); file.renameTo(archive); } } } } AccessLogFilter实现了org.apache.dubbo.rpc.Filter...arguments、remote-host、remote-port、localhost、local-port常量；getLogMessage则构建log的输出 小结 AccessLogFilter实现了org.apache.dubbo.rpc.Filter
* public java.lang.Object getProxy(org.apache.dubbo.rpc.Invoker arg0) throws org.apache...* .Invoker argument getUrl() == null"); * org.apache.dubbo.common.URL...* if (arg0 == null) throw new IllegalArgumentException("org.apache.dubbo.rpc.Invoker...* .Invoker argument getUrl() == null"); * org.apache.dubbo.common.URL...return extension.getProxy(arg0, arg1); * } * public org.apache.dubbo.rpc.Invoker
(); XML org/2001/XMLSchema-instance" xmlns:dubbo="http://dubbo.apache.org...-4.3.xsd http://dubbo.apache.org/schema/dubbo http://dubbo.apache.org/schema/dubbo/dubbo.xsd...SCOPE_LOCAL = "local" ，如果设定为local，表示该服务导出到本地（injvm--伪协议，实现类为：org.apache.dubbo.rpc.protocol.injvm.InjvmProtocol...转换为Exporter对象，在org.apache.dubbo.registry.integration.RegistryProtocol#export方法中,org.apache.dubbo.registry.integration.RegistryProtocol... invoker) throws RpcException { URL url = invoker.getUrl(); // export service.
/schema/dubbo=org.apache.dubbo.config.spring.schema.DubboNamespaceHandler spring.schemas: http\://dubbo.apache.org...4.3.xsd http://dubbo.apache.org/schema/dubbo http://dubbo.apache.org/schema/dubbo/dubbo.xsd">...service interface="org.apache.dubbo.demo.DemoService" timeout="3000" ref="demoService" registry...="registry1"/> service version="1.0.0" group="greeting" timeout="5000" interface="org.apache.dubbo.demo.GreetingService..." ref="greetingService"/> 其中，service interface="org.apache.dubbo.demo.DemoService
> org/2001/XMLSchema-instance" xmlns:dubbo="http://dubbo.apache.org...4.3.xsd http://dubbo.apache.org/schema/dubbo http://dubbo.apache.org/schema/dubbo/dubbo.xsd">...& org.apache.dubbo.config.ReferenceConfig的静态变量以及静态代码块。...参数，默认使用org.apache.dubbo.rpc.cluster.support.registry.ZoneAwareCluster策略，使用org.apache.dubbo.rpc.cluster.Cluster...8.创建服务代理ProxyFactory#getProxy(org.apache.dubbo.rpc.Invoker)，因为ProxyFactory是一个适配类。
集群的几个策略的先后为: 服务路由 -> 负载均衡 -> 集群容错(重试); 其调用入口框架是在 org.apache.dubbo.rpc.cluster.support.FailoverClusterInvoker...le.getCause() : le); } // org.apache.dubbo.rpc.cluster.support.AbstractClusterInvoker#list...Collections.emptyList() : invokers; } // org.apache.dubbo.rpc.cluster.RouterChain#route...service=org.apache.dubbo.rpc.cluster.router.condition.config.ServiceRouterFactory //...app=org.apache.dubbo.rpc.cluster.router.condition.config.AppRouterFactory // tag=org.apache.dubbo.rpc.cluster.router.tag.TagRouterFactory
然而 consumer 在发起 RPC 调用时，需要知道上图中 org.apache.dubbo.demo.DemoService 对应的服务名是什么，才能发出类似 http://service-name...:port/org.apache.dubbo.demo.DemoService 这样的请求，所以一个 provider 对应的 service name 以及该 provider 提供了哪些服务接口，这个信息是需要知道的...作为 service key 从注册中心 /dubbo/org.apache.dubbo.demo.DemoService/providers 的实例列表中选择一个 provider, 并使用它 IP...Istio 的服务注册解决了 service name IP:Port 映射问题，但解决不了 service key 到 service name 的映射问题，即 org.apache.dubbo.demo.DemoService...- org.apache.dubbo.demo.GetOrderService promotion: - org.apache.dubbo.demo.CouponService - org.apache.dubbo.demo.ManjianService
ProtocolFactory$Adaptive的code就不显示了 package org.apache.dubbo.rpc; import org.apache.dubbo.common.extension.ExtensionLoader...getProxy(org.apache.dubbo.rpc.Invoker arg0, boolean arg1) throws org.apache.dubbo.rpc.RpcException {...if (arg0 == null) throw new IllegalArgumentException("org.apache.dubbo.rpc.Invoker argument...== null"); if (arg0.getUrl() == null) throw new IllegalArgumentException("org.apache.dubbo.rpc.Invoker...() 由于Invoker对象实际和Service实现对象是无法直接调用的，需要先将ref实现类包装成了一个Wrapper,利用字节码增强技术Javassist为Wrapper创建一个实现类，然后Invoker
/org/apache/dubbo/rpc/proxy/InvokerInvocationHandler.java public class InvokerInvocationHandler implements.../org/apache/dubbo/rpc/cluster/support/wrapper/MockClusterInvoker.java public class MockClusterInvoker.../org/apache/dubbo/rpc/cluster/support/AbstractClusterInvoker.java public abstract class AbstractClusterInvoker...new RpcException(le.getCode(), "Failed to invoke the method " + methodName + " in the service.../org/apache/dubbo/rpc/cluster/support/AbstractClusterInvoker.java public abstract class AbstractClusterInvoker
本文主要研究一下dubbo的MonitorFilter MonitorFilter dubbo-2.7.2/dubbo-monitor/dubbo-monitor-api/src/main/java/org.../apache/dubbo/monitor/support/MonitorFilter.java @Activate(group = {PROVIDER, CONSUMER}) public class...service = invoker.getInterface().getName(); // service name String method = RpcUtils.getMethodName...} else { // ---- for service provider ---- localPort = invoker.getUrl...的URL中包含有monitor参数时会上报指标，然后递减并发次数 实例 dubbo-2.7.2/dubbo-monitor/dubbo-monitor-api/src/test/java/org/apache
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