wu-sheng commented on a change in pull request #3640: Provide agent plugin netty-socketio URL: https://github.com/apache/skywalking/pull/3640#discussion_r336317474
########## File path: apm-sniffer/apm-sdk-plugin/netty-socketio-plugin/src/main/java/org/apache/skywalking/apm/plugin/netty/socketio/NettySocketIOSendInterceptor.java ########## @@ -0,0 +1,58 @@ +/* + * 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.netty.socketio; + +import com.corundumstudio.socketio.protocol.Packet; +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 java.lang.reflect.Method; + +/** + * @author MrPro + */ +public class NettySocketIOSendInterceptor implements InstanceMethodsAroundInterceptor { + + @Override + public void beforeMethod(EnhancedInstance objInst, Method method, Object[] allArguments, Class<?>[] argumentsTypes, MethodInterceptResult result) throws Throwable { + + NettySocketIOClientInfo clientInfo = (NettySocketIOClientInfo) objInst.getSkyWalkingDynamicField(); + Packet packet = (Packet) allArguments[0]; + + AbstractSpan span = ContextManager.createExitSpan("SocketIO/" + packet.getName() + "/send", clientInfo.getClientAddress()); Review comment: My point is, if it don't propagate context, then, it is limited feature. Especially, you are creating exit span based on client IPs, then do you try what happens, id these IP are from Internet? thousands of nodes are created in the topology map. Is that what you need? ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: us...@infra.apache.org With regards, Apache Git Services
