| /* |
| * 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.v3; |
| |
| import java.lang.reflect.Method; |
| |
| import org.apache.commons.httpclient.HttpMethod; |
| import org.apache.commons.httpclient.URI; |
| import org.apache.commons.httpclient.URIException; |
| 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.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 org.apache.skywalking.apm.plugin.httpclient.HttpClientPluginConfig; |
| import org.apache.skywalking.apm.util.StringUtil; |
| |
| public class HttpClientExecuteInterceptor implements InstanceMethodsAroundInterceptor { |
| |
| @Override |
| public void beforeMethod(final EnhancedInstance objInst, final Method method, final Object[] allArguments, |
| final Class<?>[] argumentsTypes, final MethodInterceptResult result) throws Throwable { |
| |
| final HttpMethod httpMethod = (HttpMethod) allArguments[1]; |
| if (httpMethod == null) { |
| return; |
| } |
| final String remotePeer = httpMethod.getURI().getHost() + ":" + httpMethod.getURI().getPort(); |
| |
| final URI uri = httpMethod.getURI(); |
| final String requestURI = getRequestURI(uri); |
| |
| final ContextCarrier contextCarrier = new ContextCarrier(); |
| final AbstractSpan span = ContextManager.createExitSpan(requestURI, contextCarrier, remotePeer); |
| |
| span.setComponent(ComponentsDefine.HTTPCLIENT); |
| Tags.URL.set(span, uri.toString()); |
| Tags.HTTP.METHOD.set(span, httpMethod.getName()); |
| SpanLayer.asHttp(span); |
| |
| for (CarrierItem next = contextCarrier.items(); next.hasNext(); ) { |
| next = next.next(); |
| httpMethod.setRequestHeader(next.getHeadKey(), next.getHeadValue()); |
| } |
| |
| if (HttpClientPluginConfig.Plugin.HttpClient.COLLECT_HTTP_PARAMS) { |
| collectHttpParam(httpMethod, span); |
| } |
| } |
| |
| @Override |
| public Object afterMethod(final EnhancedInstance objInst, final Method method, final Object[] allArguments, |
| final Class<?>[] argumentsTypes, final Object ret) { |
| if (ret != null) { |
| final int statusCode = (Integer) ret; |
| final AbstractSpan span = ContextManager.activeSpan(); |
| if (statusCode >= 400) { |
| span.errorOccurred(); |
| Tags.STATUS_CODE.set(span, Integer.toString(statusCode)); |
| } |
| final HttpMethod httpMethod = (HttpMethod) allArguments[1]; |
| if (httpMethod == null) { |
| return ret; |
| } |
| // Active HTTP parameter collection automatically in the profiling context. |
| if (!HttpClientPluginConfig.Plugin.HttpClient.COLLECT_HTTP_PARAMS && span.isProfiling()) { |
| collectHttpParam(httpMethod, span); |
| } |
| } |
| ContextManager.stopSpan(); |
| return ret; |
| } |
| |
| @Override |
| public void handleMethodException(final EnhancedInstance objInst, final Method method, final Object[] allArguments, |
| final Class<?>[] argumentsTypes, final Throwable t) { |
| ContextManager.activeSpan().log(t); |
| } |
| |
| private String getRequestURI(URI uri) throws URIException { |
| String requestPath = uri.getPath(); |
| return requestPath != null && requestPath.length() > 0 ? requestPath : "/"; |
| } |
| |
| private void collectHttpParam(HttpMethod httpMethod, AbstractSpan span) { |
| String tagValue = httpMethod.getQueryString(); |
| if (StringUtil.isNotEmpty(tagValue)) { |
| tagValue = HttpClientPluginConfig.Plugin.Http.HTTP_PARAMS_LENGTH_THRESHOLD > 0 ? |
| StringUtil.cut(tagValue, HttpClientPluginConfig.Plugin.Http.HTTP_PARAMS_LENGTH_THRESHOLD) : |
| tagValue; |
| Tags.HTTP.PARAMS.set(span, tagValue); |
| } |
| } |
| } |