| /** |
| * 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.ipc.metrics; |
| |
| import static org.junit.Assert.assertNotNull; |
| import static org.junit.Assert.assertNull; |
| |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.hadoop.io.LongWritable; |
| import org.apache.hadoop.io.Writable; |
| import org.apache.hadoop.ipc.RPC; |
| import org.apache.hadoop.ipc.Server; |
| import org.apache.hadoop.metrics2.MetricsSystem; |
| import org.apache.hadoop.metrics2.lib.DefaultMetricsSystem; |
| import org.junit.Test; |
| |
| public class TestRpcMetrics { |
| |
| @Test |
| public void metricsAreUnregistered() throws Exception { |
| |
| Configuration conf = new Configuration(); |
| Server server = new Server("0.0.0.0", 0, LongWritable.class, 1, conf) { |
| @Override |
| public Writable call( |
| RPC.RpcKind rpcKind, String protocol, Writable param, |
| long receiveTime) throws Exception { |
| return null; |
| } |
| }; |
| MetricsSystem metricsSystem = DefaultMetricsSystem.instance(); |
| RpcMetrics rpcMetrics = server.getRpcMetrics(); |
| RpcDetailedMetrics rpcDetailedMetrics = server.getRpcDetailedMetrics(); |
| |
| assertNotNull(metricsSystem.getSource(rpcMetrics.name())); |
| assertNotNull(metricsSystem.getSource(rpcDetailedMetrics.name())); |
| |
| server.stop(); |
| |
| assertNull(metricsSystem.getSource(rpcMetrics.name())); |
| assertNull(metricsSystem.getSource(rpcDetailedMetrics.name())); |
| |
| } |
| |
| } |