| /** |
| * 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.hadoop.hdfs.server.federation.router; |
| |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.hadoop.hdfs.server.federation.metrics.FederationMetrics; |
| import org.apache.hadoop.hdfs.server.federation.metrics.NamenodeBeanMetrics; |
| import org.apache.hadoop.metrics2.source.JvmMetrics; |
| import org.apache.hadoop.service.AbstractService; |
| |
| /** |
| * Service to manage the metrics of the Router. |
| */ |
| public class RouterMetricsService extends AbstractService { |
| |
| /** Router for this metrics. */ |
| private final Router router; |
| |
| /** Router metrics. */ |
| private RouterMetrics routerMetrics; |
| /** Federation metrics. */ |
| private FederationMetrics federationMetrics; |
| /** Namenode mock metrics. */ |
| private NamenodeBeanMetrics nnMetrics; |
| |
| |
| public RouterMetricsService(final Router router) { |
| super(RouterMetricsService.class.getName()); |
| this.router = router; |
| } |
| |
| @Override |
| protected void serviceInit(Configuration configuration) throws Exception { |
| this.routerMetrics = RouterMetrics.create(configuration); |
| } |
| |
| @Override |
| protected void serviceStart() throws Exception { |
| // Wrapper for all the FSNamesystem JMX interfaces |
| this.nnMetrics = new NamenodeBeanMetrics(this.router); |
| |
| // Federation MBean JMX interface |
| this.federationMetrics = new FederationMetrics(this.router); |
| } |
| |
| @Override |
| protected void serviceStop() throws Exception { |
| // Remove JMX interfaces |
| if (this.federationMetrics != null) { |
| this.federationMetrics.close(); |
| } |
| |
| // Remove Namenode JMX interfaces |
| if (this.nnMetrics != null) { |
| this.nnMetrics.close(); |
| } |
| |
| // Shutdown metrics |
| if (this.routerMetrics != null) { |
| this.routerMetrics.shutdown(); |
| } |
| } |
| |
| /** |
| * Get the metrics system for the Router. |
| * |
| * @return Router metrics. |
| */ |
| public RouterMetrics getRouterMetrics() { |
| return this.routerMetrics; |
| } |
| |
| /** |
| * Get the federation metrics. |
| * |
| * @return Federation metrics. |
| */ |
| public FederationMetrics getFederationMetrics() { |
| return this.federationMetrics; |
| } |
| |
| /** |
| * Get the Namenode metrics. |
| * |
| * @return Namenode metrics. |
| */ |
| public NamenodeBeanMetrics getNamenodeMetrics() { |
| return this.nnMetrics; |
| } |
| |
| /** |
| * Get the JVM metrics for the Router. |
| * |
| * @return JVM metrics. |
| */ |
| public JvmMetrics getJvmMetrics() { |
| if (this.routerMetrics == null) { |
| return null; |
| } |
| return this.routerMetrics.getJvmMetrics(); |
| } |
| } |