| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| * |
| */ |
| |
| package org.apache.skywalking.apm.plugin.spring.webflux.v5.webclient; |
| |
| import org.apache.skywalking.apm.agent.core.context.ContextCarrier; |
| import org.apache.skywalking.apm.agent.core.context.ContextManager; |
| import org.apache.skywalking.apm.agent.core.context.tag.Tags; |
| import org.apache.skywalking.apm.agent.core.context.trace.AbstractSpan; |
| import org.apache.skywalking.apm.agent.core.context.trace.SpanLayer; |
| import org.apache.skywalking.apm.agent.core.plugin.interceptor.enhance.EnhancedInstance; |
| import org.apache.skywalking.apm.agent.core.plugin.interceptor.enhance.v2.InstanceMethodsAroundInterceptorV2; |
| import org.apache.skywalking.apm.agent.core.plugin.interceptor.enhance.v2.MethodInvocationContext; |
| import org.apache.skywalking.apm.network.trace.component.ComponentsDefine; |
| import org.springframework.http.HttpStatus; |
| import org.springframework.web.reactive.function.client.ClientRequest; |
| import org.springframework.web.reactive.function.client.ClientResponse; |
| import reactor.core.publisher.Mono; |
| |
| import java.lang.reflect.Method; |
| import java.net.URI; |
| |
| public class WebFluxWebClientInterceptor implements InstanceMethodsAroundInterceptorV2 { |
| |
| @Override |
| public void beforeMethod(EnhancedInstance objInst, Method method, Object[] allArguments, Class<?>[] argumentsTypes, MethodInvocationContext context) throws Throwable { |
| if (allArguments[0] == null) { |
| //illegal args,can't trace ignore |
| return; |
| } |
| |
| ClientRequest request = (ClientRequest) allArguments[0]; |
| final ContextCarrier contextCarrier = new ContextCarrier(); |
| |
| URI uri = request.url(); |
| final String requestURIString = getRequestURIString(uri); |
| final String operationName = requestURIString; |
| final String remotePeer = getIPAndPort(uri); |
| AbstractSpan span = ContextManager.createExitSpan(operationName, contextCarrier, remotePeer); |
| |
| //set components name |
| span.setComponent(ComponentsDefine.SPRING_WEBCLIENT); |
| Tags.URL.set(span, uri.toString()); |
| Tags.HTTP.METHOD.set(span, request.method().toString()); |
| SpanLayer.asHttp(span); |
| |
| if (request instanceof EnhancedInstance) { |
| ((EnhancedInstance) request).setSkyWalkingDynamicField(contextCarrier); |
| } |
| |
| //user async interface |
| span.prepareForAsync(); |
| ContextManager.stopSpan(); |
| |
| context.setContext(span); |
| } |
| |
| @Override |
| public Object afterMethod(EnhancedInstance objInst, Method method, Object[] allArguments, Class<?>[] argumentsTypes, Object ret, MethodInvocationContext context) throws Throwable { |
| // fix the problem that allArgument[0] may be null |
| if (allArguments[0] == null) { |
| return ret; |
| } |
| Mono<ClientResponse> ret1 = (Mono<ClientResponse>) ret; |
| AbstractSpan span = (AbstractSpan) context.getContext(); |
| return ret1.doOnSuccess(clientResponse -> { |
| HttpStatus httpStatus = clientResponse.statusCode(); |
| if (httpStatus != null) { |
| Tags.STATUS_CODE.set(span, Integer.toString(httpStatus.value())); |
| if (httpStatus.isError()) { |
| span.errorOccurred(); |
| } |
| } |
| }).doOnError(error -> { |
| span.log(error); |
| }).doFinally(s -> { |
| span.asyncFinish(); |
| }); |
| } |
| |
| @Override |
| public void handleMethodException(EnhancedInstance objInst, Method method, Object[] allArguments, Class<?>[] argumentsTypes, Throwable t, MethodInvocationContext context) { |
| AbstractSpan activeSpan = ContextManager.activeSpan(); |
| activeSpan.errorOccurred(); |
| activeSpan.log(t); |
| } |
| |
| private String getRequestURIString(URI uri) { |
| String requestPath = uri.getPath(); |
| return requestPath != null && requestPath.length() > 0 ? requestPath : "/"; |
| } |
| |
| // return ip:port |
| private String getIPAndPort(URI uri) { |
| return uri.getHost() + ":" + uri.getPort(); |
| } |
| } |