| /* |
| * 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.grizzly.workthreadpool; |
| |
| import org.apache.skywalking.apm.agent.core.meter.MeterFactory; |
| 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.glassfish.grizzly.threadpool.AbstractThreadPool; |
| import org.glassfish.grizzly.threadpool.GrizzlyExecutorService; |
| import org.glassfish.grizzly.threadpool.ThreadPoolConfig; |
| |
| import java.lang.reflect.Field; |
| import java.lang.reflect.Method; |
| |
| public class TransportInterceptor implements InstanceMethodsAroundInterceptor { |
| |
| private static final String METER_NAME = "thread_pool"; |
| private static final String METRIC_POOL_NAME_TAG_NAME = "pool_name"; |
| private static final String THREAD_POOL_NAME = "grizzly_execute_pool"; |
| private static final String METRIC_TYPE_TAG_NAME = "metric_type"; |
| |
| @Override |
| public void beforeMethod(EnhancedInstance objInst, Method method, Object[] allArguments, Class<?>[] argumentsTypes, MethodInterceptResult result) throws Throwable { |
| GrizzlyExecutorService executorServices = (GrizzlyExecutorService) allArguments[0]; |
| // reflect get private field just once |
| Field poolField = GrizzlyExecutorService.class.getDeclaredField("pool"); |
| poolField.setAccessible(true); |
| AbstractThreadPool abstractThreadPool = (AbstractThreadPool) poolField.get(executorServices); |
| ThreadPoolConfig threadPoolConfig = abstractThreadPool.getConfig(); |
| MeterFactory.gauge(METER_NAME, () -> (double) threadPoolConfig.getCorePoolSize()) |
| .tag(METRIC_POOL_NAME_TAG_NAME, THREAD_POOL_NAME) |
| .tag(METRIC_TYPE_TAG_NAME, "core_pool_size") |
| .build(); |
| MeterFactory.gauge(METER_NAME, () -> (double) threadPoolConfig.getMaxPoolSize()) |
| .tag(METRIC_POOL_NAME_TAG_NAME, THREAD_POOL_NAME) |
| .tag(METRIC_TYPE_TAG_NAME, "max_pool_size") |
| .build(); |
| MeterFactory.gauge(METER_NAME, () -> (double) abstractThreadPool.getSize()) |
| .tag(METRIC_POOL_NAME_TAG_NAME, THREAD_POOL_NAME) |
| .tag(METRIC_TYPE_TAG_NAME, "pool_size") |
| .build(); |
| MeterFactory.gauge(METER_NAME, () -> (double) abstractThreadPool.getQueue().size()) |
| .tag(METRIC_POOL_NAME_TAG_NAME, THREAD_POOL_NAME) |
| .tag(METRIC_TYPE_TAG_NAME, "queue_size") |
| .build(); |
| } |
| |
| @Override |
| public Object afterMethod(EnhancedInstance objInst, Method method, Object[] allArguments, Class<?>[] argumentsTypes, Object ret) throws Throwable { |
| return ret; |
| } |
| |
| @Override |
| public void handleMethodException(EnhancedInstance objInst, Method method, Object[] allArguments, Class<?>[] argumentsTypes, Throwable t) { |
| |
| } |
| } |