| /* |
| * 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.baidu.brpc3; |
| |
| import java.lang.reflect.Method; |
| import java.util.HashMap; |
| |
| 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.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 com.baidu.brpc.protocol.Request; |
| import com.baidu.brpc.protocol.Response; |
| |
| /** |
| * brpc3 server interceptor |
| */ |
| public class ServerInterceptor implements InstanceMethodsAroundInterceptor { |
| private static String generateOperationName(Request request) { |
| StringBuilder operationName = new StringBuilder(request.getServiceName()); |
| operationName.append(".").append(request.getMethodName()); |
| return operationName.toString(); |
| } |
| |
| @Override |
| public void beforeMethod(EnhancedInstance objInst, Method method, Object[] allArguments, Class<?>[] argumentsTypes, |
| MethodInterceptResult result) throws Throwable { |
| Request request = (Request) allArguments[0]; |
| ContextCarrier contextCarrier = new ContextCarrier(); |
| CarrierItem next = contextCarrier.items(); |
| if (request.getKvAttachment() == null) { |
| request.setKvAttachment(new HashMap<>()); |
| } |
| while (next.hasNext()) { |
| next = next.next(); |
| next.setHeadValue((String) request.getKvAttachment().get(next.getHeadKey())); |
| } |
| |
| String operationName = generateOperationName(request); |
| AbstractSpan span = ContextManager.createEntrySpan(operationName, contextCarrier); |
| SpanLayer.asRPCFramework(span); |
| span.setComponent(ComponentsDefine.BRPC_JAVA); |
| } |
| |
| @Override |
| public Object afterMethod(EnhancedInstance objInst, Method method, Object[] allArguments, Class<?>[] argumentsTypes, |
| Object ret) throws Throwable { |
| Response response = (Response) allArguments[1]; |
| if (response != null && response.getException() != null) { |
| AbstractSpan span = ContextManager.activeSpan(); |
| span.log(response.getException()); |
| } |
| |
| 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); |
| } |
| } |