| /* |
| * 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.httpclient.v5; |
| |
| import org.apache.hc.core5.http.ClassicHttpRequest; |
| import org.apache.hc.core5.http.ClassicHttpResponse; |
| import org.apache.hc.core5.http.HttpHost; |
| import org.apache.skywalking.apm.agent.core.context.CarrierItem; |
| 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.logging.api.ILog; |
| import org.apache.skywalking.apm.agent.core.logging.api.LogManager; |
| import org.apache.skywalking.apm.agent.core.plugin.interceptor.enhance.EnhancedInstance; |
| import org.apache.skywalking.apm.agent.core.plugin.interceptor.enhance.InstanceMethodsAroundInterceptor; |
| import org.apache.skywalking.apm.agent.core.plugin.interceptor.enhance.MethodInterceptResult; |
| import org.apache.skywalking.apm.network.trace.component.ComponentsDefine; |
| |
| import java.lang.reflect.Method; |
| import java.net.MalformedURLException; |
| import java.net.URL; |
| |
| public class HttpClientDoExecuteInterceptor implements InstanceMethodsAroundInterceptor { |
| |
| private static final ILog LOGGER = LogManager.getLogger(HttpClientDoExecuteInterceptor.class); |
| |
| @Override |
| public void beforeMethod(EnhancedInstance objInst, Method method, Object[] allArguments, Class<?>[] argumentsTypes, |
| MethodInterceptResult result) throws Throwable { |
| if (allArguments[0] == null || allArguments[1] == null) { |
| // illegal args, can't trace. ignore. |
| return; |
| } |
| final HttpHost httpHost = (HttpHost) allArguments[0]; |
| ClassicHttpRequest httpRequest = (ClassicHttpRequest) allArguments[1]; |
| final ContextCarrier contextCarrier = new ContextCarrier(); |
| |
| String remotePeer = httpHost.getHostName() + ":" + port(httpHost); |
| |
| String uri = httpRequest.getUri().toString(); |
| String requestURI = getRequestURI(uri); |
| String operationName = requestURI; |
| AbstractSpan span = ContextManager.createExitSpan(operationName, contextCarrier, remotePeer); |
| |
| span.setComponent(ComponentsDefine.HTTPCLIENT); |
| Tags.URL.set(span, buildURL(httpHost, uri)); |
| Tags.HTTP.METHOD.set(span, httpRequest.getMethod()); |
| SpanLayer.asHttp(span); |
| |
| CarrierItem next = contextCarrier.items(); |
| while (next.hasNext()) { |
| next = next.next(); |
| httpRequest.setHeader(next.getHeadKey(), next.getHeadValue()); |
| } |
| } |
| |
| @Override |
| public Object afterMethod(EnhancedInstance objInst, Method method, Object[] allArguments, Class<?>[] argumentsTypes, |
| Object ret) throws Throwable { |
| if (allArguments[0] == null || allArguments[1] == null) { |
| return ret; |
| } |
| |
| if (ret != null) { |
| ClassicHttpResponse response = (ClassicHttpResponse) ret; |
| |
| int statusCode = response.getCode(); |
| AbstractSpan span = ContextManager.activeSpan(); |
| if (statusCode >= 400) { |
| span.errorOccurred(); |
| Tags.HTTP_RESPONSE_STATUS_CODE.set(span, statusCode); |
| } |
| } |
| |
| ContextManager.stopSpan(); |
| return ret; |
| } |
| |
| @Override |
| public void handleMethodException(EnhancedInstance objInst, Method method, Object[] allArguments, |
| Class<?>[] argumentsTypes, Throwable t) { |
| AbstractSpan activeSpan = ContextManager.activeSpan(); |
| activeSpan.log(t); |
| } |
| |
| private String getRequestURI(String uri) throws MalformedURLException { |
| if (isUrl(uri)) { |
| String requestPath = new URL(uri).getPath(); |
| return requestPath != null && requestPath.length() > 0 ? requestPath : "/"; |
| } else { |
| return uri; |
| } |
| } |
| |
| private boolean isUrl(String uri) { |
| String lowerUrl = uri.toLowerCase(); |
| return lowerUrl.startsWith("http") || lowerUrl.startsWith("https"); |
| } |
| |
| private String buildURL(HttpHost httpHost, String uri) { |
| if (isUrl(uri)) { |
| return uri; |
| } else { |
| StringBuilder buff = new StringBuilder(); |
| buff.append(httpHost.getSchemeName().toLowerCase()); |
| buff.append("://"); |
| buff.append(httpHost.getHostName()); |
| buff.append(":"); |
| buff.append(port(httpHost)); |
| buff.append(uri); |
| return buff.toString(); |
| } |
| } |
| |
| private int port(HttpHost httpHost) { |
| int port = httpHost.getPort(); |
| return port > 0 ? port : "https".equals(httpHost.getSchemeName().toLowerCase()) ? 443 : 80; |
| } |
| } |