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| <pre><span class="source-line-no">001</span><span id="line-1">/*</span> |
| <span class="source-line-no">002</span><span id="line-2"> * Licensed to the Apache Software Foundation (ASF) under one</span> |
| <span class="source-line-no">003</span><span id="line-3"> * or more contributor license agreements. See the NOTICE file</span> |
| <span class="source-line-no">004</span><span id="line-4"> * distributed with this work for additional information</span> |
| <span class="source-line-no">005</span><span id="line-5"> * regarding copyright ownership. The ASF licenses this file</span> |
| <span class="source-line-no">006</span><span id="line-6"> * to you under the Apache License, Version 2.0 (the</span> |
| <span class="source-line-no">007</span><span id="line-7"> * "License"); you may not use this file except in compliance</span> |
| <span class="source-line-no">008</span><span id="line-8"> * with the License. You may obtain a copy of the License at</span> |
| <span class="source-line-no">009</span><span id="line-9"> *</span> |
| <span class="source-line-no">010</span><span id="line-10"> * http://www.apache.org/licenses/LICENSE-2.0</span> |
| <span class="source-line-no">011</span><span id="line-11"> *</span> |
| <span class="source-line-no">012</span><span id="line-12"> * Unless required by applicable law or agreed to in writing, software</span> |
| <span class="source-line-no">013</span><span id="line-13"> * distributed under the License is distributed on an "AS IS" BASIS,</span> |
| <span class="source-line-no">014</span><span id="line-14"> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span> |
| <span class="source-line-no">015</span><span id="line-15"> * See the License for the specific language governing permissions and</span> |
| <span class="source-line-no">016</span><span id="line-16"> * limitations under the License.</span> |
| <span class="source-line-no">017</span><span id="line-17"> */</span> |
| <span class="source-line-no">018</span><span id="line-18">package org.apache.hadoop.hbase.ipc;</span> |
| <span class="source-line-no">019</span><span id="line-19"></span> |
| <span class="source-line-no">020</span><span id="line-20">import static org.apache.hadoop.hbase.HBaseTestingUtil.fam1;</span> |
| <span class="source-line-no">021</span><span id="line-21">import static org.junit.Assert.assertTrue;</span> |
| <span class="source-line-no">022</span><span id="line-22">import static org.junit.Assert.fail;</span> |
| <span class="source-line-no">023</span><span id="line-23"></span> |
| <span class="source-line-no">024</span><span id="line-24">import java.io.IOException;</span> |
| <span class="source-line-no">025</span><span id="line-25">import java.net.Socket;</span> |
| <span class="source-line-no">026</span><span id="line-26">import java.net.SocketAddress;</span> |
| <span class="source-line-no">027</span><span id="line-27">import java.util.Map;</span> |
| <span class="source-line-no">028</span><span id="line-28">import java.util.concurrent.BlockingQueue;</span> |
| <span class="source-line-no">029</span><span id="line-29">import java.util.concurrent.LinkedBlockingQueue;</span> |
| <span class="source-line-no">030</span><span id="line-30">import org.apache.hadoop.conf.Configuration;</span> |
| <span class="source-line-no">031</span><span id="line-31">import org.apache.hadoop.hbase.HBaseClassTestRule;</span> |
| <span class="source-line-no">032</span><span id="line-32">import org.apache.hadoop.hbase.HBaseTestingUtil;</span> |
| <span class="source-line-no">033</span><span id="line-33">import org.apache.hadoop.hbase.HConstants;</span> |
| <span class="source-line-no">034</span><span id="line-34">import org.apache.hadoop.hbase.TableName;</span> |
| <span class="source-line-no">035</span><span id="line-35">import org.apache.hadoop.hbase.client.Connection;</span> |
| <span class="source-line-no">036</span><span id="line-36">import org.apache.hadoop.hbase.client.ConnectionFactory;</span> |
| <span class="source-line-no">037</span><span id="line-37">import org.apache.hadoop.hbase.client.Get;</span> |
| <span class="source-line-no">038</span><span id="line-38">import org.apache.hadoop.hbase.client.MetricsConnection;</span> |
| <span class="source-line-no">039</span><span id="line-39">import org.apache.hadoop.hbase.client.RetriesExhaustedException;</span> |
| <span class="source-line-no">040</span><span id="line-40">import org.apache.hadoop.hbase.client.Table;</span> |
| <span class="source-line-no">041</span><span id="line-41">import org.apache.hadoop.hbase.testclassification.MediumTests;</span> |
| <span class="source-line-no">042</span><span id="line-42">import org.apache.hadoop.hbase.util.Bytes;</span> |
| <span class="source-line-no">043</span><span id="line-43">import org.junit.AfterClass;</span> |
| <span class="source-line-no">044</span><span id="line-44">import org.junit.BeforeClass;</span> |
| <span class="source-line-no">045</span><span id="line-45">import org.junit.ClassRule;</span> |
| <span class="source-line-no">046</span><span id="line-46">import org.junit.Rule;</span> |
| <span class="source-line-no">047</span><span id="line-47">import org.junit.Test;</span> |
| <span class="source-line-no">048</span><span id="line-48">import org.junit.experimental.categories.Category;</span> |
| <span class="source-line-no">049</span><span id="line-49">import org.junit.rules.TestName;</span> |
| <span class="source-line-no">050</span><span id="line-50">import org.slf4j.Logger;</span> |
| <span class="source-line-no">051</span><span id="line-51">import org.slf4j.LoggerFactory;</span> |
| <span class="source-line-no">052</span><span id="line-52"></span> |
| <span class="source-line-no">053</span><span id="line-53">@Category(MediumTests.class)</span> |
| <span class="source-line-no">054</span><span id="line-54">public class TestRpcClientLeaks {</span> |
| <span class="source-line-no">055</span><span id="line-55"></span> |
| <span class="source-line-no">056</span><span id="line-56"> @ClassRule</span> |
| <span class="source-line-no">057</span><span id="line-57"> public static final HBaseClassTestRule CLASS_RULE =</span> |
| <span class="source-line-no">058</span><span id="line-58"> HBaseClassTestRule.forClass(TestRpcClientLeaks.class);</span> |
| <span class="source-line-no">059</span><span id="line-59"></span> |
| <span class="source-line-no">060</span><span id="line-60"> @Rule</span> |
| <span class="source-line-no">061</span><span id="line-61"> public TestName name = new TestName();</span> |
| <span class="source-line-no">062</span><span id="line-62"></span> |
| <span class="source-line-no">063</span><span id="line-63"> private static BlockingQueue<Socket> SAVED_SOCKETS = new LinkedBlockingQueue<>();</span> |
| <span class="source-line-no">064</span><span id="line-64"></span> |
| <span class="source-line-no">065</span><span id="line-65"> public static class MyRpcClientImpl extends BlockingRpcClient {</span> |
| <span class="source-line-no">066</span><span id="line-66"></span> |
| <span class="source-line-no">067</span><span id="line-67"> // Exceptions thrown only when this is set to false.</span> |
| <span class="source-line-no">068</span><span id="line-68"> private static boolean throwException = false;</span> |
| <span class="source-line-no">069</span><span id="line-69"></span> |
| <span class="source-line-no">070</span><span id="line-70"> public MyRpcClientImpl(Configuration conf) {</span> |
| <span class="source-line-no">071</span><span id="line-71"> super(conf);</span> |
| <span class="source-line-no">072</span><span id="line-72"> }</span> |
| <span class="source-line-no">073</span><span id="line-73"></span> |
| <span class="source-line-no">074</span><span id="line-74"> public MyRpcClientImpl(Configuration conf, String clusterId, SocketAddress address,</span> |
| <span class="source-line-no">075</span><span id="line-75"> MetricsConnection metrics, Map<String, byte[]> connectionAttributes) {</span> |
| <span class="source-line-no">076</span><span id="line-76"> super(conf, clusterId, address, metrics, connectionAttributes);</span> |
| <span class="source-line-no">077</span><span id="line-77"> }</span> |
| <span class="source-line-no">078</span><span id="line-78"></span> |
| <span class="source-line-no">079</span><span id="line-79"> @Override</span> |
| <span class="source-line-no">080</span><span id="line-80"> protected BlockingRpcConnection createConnection(ConnectionId remoteId) throws IOException {</span> |
| <span class="source-line-no">081</span><span id="line-81"> return new BlockingRpcConnection(this, remoteId) {</span> |
| <span class="source-line-no">082</span><span id="line-82"> @Override</span> |
| <span class="source-line-no">083</span><span id="line-83"> protected synchronized void setupConnection() throws IOException {</span> |
| <span class="source-line-no">084</span><span id="line-84"> super.setupConnection();</span> |
| <span class="source-line-no">085</span><span id="line-85"> if (throwException) {</span> |
| <span class="source-line-no">086</span><span id="line-86"> SAVED_SOCKETS.add(socket);</span> |
| <span class="source-line-no">087</span><span id="line-87"> throw new IOException(</span> |
| <span class="source-line-no">088</span><span id="line-88"> "Sample exception for verifying socket closure in case of exceptions.");</span> |
| <span class="source-line-no">089</span><span id="line-89"> }</span> |
| <span class="source-line-no">090</span><span id="line-90"> }</span> |
| <span class="source-line-no">091</span><span id="line-91"> };</span> |
| <span class="source-line-no">092</span><span id="line-92"> }</span> |
| <span class="source-line-no">093</span><span id="line-93"></span> |
| <span class="source-line-no">094</span><span id="line-94"> public static void enableThrowExceptions() {</span> |
| <span class="source-line-no">095</span><span id="line-95"> throwException = true;</span> |
| <span class="source-line-no">096</span><span id="line-96"> }</span> |
| <span class="source-line-no">097</span><span id="line-97"> }</span> |
| <span class="source-line-no">098</span><span id="line-98"></span> |
| <span class="source-line-no">099</span><span id="line-99"> private static final HBaseTestingUtil UTIL = new HBaseTestingUtil();</span> |
| <span class="source-line-no">100</span><span id="line-100"></span> |
| <span class="source-line-no">101</span><span id="line-101"> @BeforeClass</span> |
| <span class="source-line-no">102</span><span id="line-102"> public static void setup() throws Exception {</span> |
| <span class="source-line-no">103</span><span id="line-103"> UTIL.startMiniCluster();</span> |
| <span class="source-line-no">104</span><span id="line-104"> }</span> |
| <span class="source-line-no">105</span><span id="line-105"></span> |
| <span class="source-line-no">106</span><span id="line-106"> @AfterClass</span> |
| <span class="source-line-no">107</span><span id="line-107"> public static void teardown() throws Exception {</span> |
| <span class="source-line-no">108</span><span id="line-108"> UTIL.shutdownMiniCluster();</span> |
| <span class="source-line-no">109</span><span id="line-109"> }</span> |
| <span class="source-line-no">110</span><span id="line-110"></span> |
| <span class="source-line-no">111</span><span id="line-111"> public static final Logger LOG = LoggerFactory.getLogger(TestRpcClientLeaks.class);</span> |
| <span class="source-line-no">112</span><span id="line-112"></span> |
| <span class="source-line-no">113</span><span id="line-113"> @Test</span> |
| <span class="source-line-no">114</span><span id="line-114"> public void testSocketClosed() throws IOException, InterruptedException {</span> |
| <span class="source-line-no">115</span><span id="line-115"> TableName tableName = TableName.valueOf(name.getMethodName());</span> |
| <span class="source-line-no">116</span><span id="line-116"> UTIL.createTable(tableName, fam1).close();</span> |
| <span class="source-line-no">117</span><span id="line-117"></span> |
| <span class="source-line-no">118</span><span id="line-118"> Configuration conf = new Configuration(UTIL.getConfiguration());</span> |
| <span class="source-line-no">119</span><span id="line-119"> conf.set(RpcClientFactory.CUSTOM_RPC_CLIENT_IMPL_CONF_KEY, MyRpcClientImpl.class.getName());</span> |
| <span class="source-line-no">120</span><span id="line-120"> conf.setInt(HConstants.HBASE_CLIENT_RETRIES_NUMBER, 2);</span> |
| <span class="source-line-no">121</span><span id="line-121"> try (Connection connection = ConnectionFactory.createConnection(conf);</span> |
| <span class="source-line-no">122</span><span id="line-122"> Table table = connection.getTable(TableName.valueOf(name.getMethodName()))) {</span> |
| <span class="source-line-no">123</span><span id="line-123"> MyRpcClientImpl.enableThrowExceptions();</span> |
| <span class="source-line-no">124</span><span id="line-124"> table.get(new Get(Bytes.toBytes("asd")));</span> |
| <span class="source-line-no">125</span><span id="line-125"> fail("Should fail because the injected error");</span> |
| <span class="source-line-no">126</span><span id="line-126"> } catch (RetriesExhaustedException e) {</span> |
| <span class="source-line-no">127</span><span id="line-127"> // expected</span> |
| <span class="source-line-no">128</span><span id="line-128"> }</span> |
| <span class="source-line-no">129</span><span id="line-129"> for (Socket socket : SAVED_SOCKETS) {</span> |
| <span class="source-line-no">130</span><span id="line-130"> assertTrue("Socket " + socket + " is not closed", socket.isClosed());</span> |
| <span class="source-line-no">131</span><span id="line-131"> }</span> |
| <span class="source-line-no">132</span><span id="line-132"> }</span> |
| <span class="source-line-no">133</span><span id="line-133">}</span> |
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| </pre> |
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