| /* |
| * 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.servicecomb.metrics.core.meter.invocation; |
| |
| import java.util.Map; |
| |
| import org.apache.servicecomb.core.Invocation; |
| import org.apache.servicecomb.core.event.InvocationFinishEvent; |
| import org.apache.servicecomb.core.event.InvocationStartEvent; |
| import org.apache.servicecomb.foundation.common.concurrent.ConcurrentHashMapEx; |
| import org.apache.servicecomb.swagger.invocation.Response; |
| |
| import com.netflix.spectator.api.Id; |
| import com.netflix.spectator.api.Registry; |
| import com.netflix.spectator.api.SpectatorUtils; |
| |
| public abstract class AbstractInvocationMeters { |
| protected Registry registry; |
| |
| private final Map<String, AbstractInvocationMeter> metersMap = new ConcurrentHashMapEx<>(); |
| |
| // not care for concurrency, just for make build key faster |
| private int maxKeyLen = 64; |
| |
| public AbstractInvocationMeters(Registry registry) { |
| this.registry = registry; |
| } |
| |
| protected AbstractInvocationMeter getOrCreateMeters(Invocation invocation, Response response) { |
| // build string key is faster then use Id to locate timer directly |
| StringBuilder keyBuilder = new StringBuilder(maxKeyLen); |
| String invocationName; |
| //check edge |
| if (invocation.isConsumer() && invocation.isEdge()) { |
| invocationName = MeterInvocationConst.EDGE_INVOCATION_NAME; |
| } else { |
| invocationName = invocation.getInvocationType().name(); |
| } |
| |
| keyBuilder |
| .append(invocationName) |
| .append(invocation.getRealTransportName()) |
| .append(invocation.getMicroserviceQualifiedName()) |
| .append(response.getStatusCode()); |
| if (keyBuilder.length() > maxKeyLen) { |
| maxKeyLen = keyBuilder.length(); |
| } |
| |
| return metersMap.computeIfAbsent(keyBuilder.toString(), k -> { |
| Id id = registry.createId(MeterInvocationConst.INVOCATION_NAME, |
| MeterInvocationConst.TAG_ROLE, |
| invocationName, |
| MeterInvocationConst.TAG_TRANSPORT, |
| invocation.getRealTransportName(), |
| MeterInvocationConst.TAG_OPERATION, |
| invocation.getMicroserviceQualifiedName(), |
| MeterInvocationConst.TAG_STATUS, |
| String.valueOf(response.getStatusCode())); |
| |
| AbstractInvocationMeter meter = createMeter(id); |
| SpectatorUtils.registerMeter(registry, meter); |
| return meter; |
| }); |
| } |
| |
| protected abstract AbstractInvocationMeter createMeter(Id id); |
| |
| public void onInvocationStart(InvocationStartEvent event) { |
| } |
| |
| public void onInvocationFinish(InvocationFinishEvent event) { |
| AbstractInvocationMeter meters = getOrCreateMeters(event.getInvocation(), event.getResponse()); |
| meters.onInvocationFinish(event); |
| } |
| } |