| <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> |
| <html lang="en"> |
| <head> |
| <title>Source code</title> |
| <link rel="stylesheet" type="text/css" href="../../../../../../stylesheet.css" title="Style"> |
| </head> |
| <body> |
| <div class="sourceContainer"> |
| <pre><span class="sourceLineNo">001</span>/*<a name="line.1"></a> |
| <span class="sourceLineNo">002</span> * Licensed to the Apache Software Foundation (ASF) under one<a name="line.2"></a> |
| <span class="sourceLineNo">003</span> * or more contributor license agreements. See the NOTICE file<a name="line.3"></a> |
| <span class="sourceLineNo">004</span> * distributed with this work for additional information<a name="line.4"></a> |
| <span class="sourceLineNo">005</span> * regarding copyright ownership. The ASF licenses this file<a name="line.5"></a> |
| <span class="sourceLineNo">006</span> * to you under the Apache License, Version 2.0 (the<a name="line.6"></a> |
| <span class="sourceLineNo">007</span> * "License"); you may not use this file except in compliance<a name="line.7"></a> |
| <span class="sourceLineNo">008</span> * with the License. You may obtain a copy of the License at<a name="line.8"></a> |
| <span class="sourceLineNo">009</span> *<a name="line.9"></a> |
| <span class="sourceLineNo">010</span> * http://www.apache.org/licenses/LICENSE-2.0<a name="line.10"></a> |
| <span class="sourceLineNo">011</span> *<a name="line.11"></a> |
| <span class="sourceLineNo">012</span> * Unless required by applicable law or agreed to in writing, software<a name="line.12"></a> |
| <span class="sourceLineNo">013</span> * distributed under the License is distributed on an "AS IS" BASIS,<a name="line.13"></a> |
| <span class="sourceLineNo">014</span> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.<a name="line.14"></a> |
| <span class="sourceLineNo">015</span> * See the License for the specific language governing permissions and<a name="line.15"></a> |
| <span class="sourceLineNo">016</span> * limitations under the License.<a name="line.16"></a> |
| <span class="sourceLineNo">017</span> */<a name="line.17"></a> |
| <span class="sourceLineNo">018</span>package org.apache.hadoop.hbase.client;<a name="line.18"></a> |
| <span class="sourceLineNo">019</span><a name="line.19"></a> |
| <span class="sourceLineNo">020</span>import static org.junit.Assert.assertEquals;<a name="line.20"></a> |
| <span class="sourceLineNo">021</span>import static org.junit.Assert.assertTrue;<a name="line.21"></a> |
| <span class="sourceLineNo">022</span><a name="line.22"></a> |
| <span class="sourceLineNo">023</span>import java.io.IOException;<a name="line.23"></a> |
| <span class="sourceLineNo">024</span>import java.net.SocketAddress;<a name="line.24"></a> |
| <span class="sourceLineNo">025</span>import java.net.SocketTimeoutException;<a name="line.25"></a> |
| <span class="sourceLineNo">026</span>import java.util.Map;<a name="line.26"></a> |
| <span class="sourceLineNo">027</span>import java.util.concurrent.ThreadLocalRandom;<a name="line.27"></a> |
| <span class="sourceLineNo">028</span>import java.util.concurrent.atomic.AtomicInteger;<a name="line.28"></a> |
| <span class="sourceLineNo">029</span>import org.apache.hadoop.conf.Configuration;<a name="line.29"></a> |
| <span class="sourceLineNo">030</span>import org.apache.hadoop.hbase.HBaseClassTestRule;<a name="line.30"></a> |
| <span class="sourceLineNo">031</span>import org.apache.hadoop.hbase.HBaseConfiguration;<a name="line.31"></a> |
| <span class="sourceLineNo">032</span>import org.apache.hadoop.hbase.HBaseTestingUtil;<a name="line.32"></a> |
| <span class="sourceLineNo">033</span>import org.apache.hadoop.hbase.HConstants;<a name="line.33"></a> |
| <span class="sourceLineNo">034</span>import org.apache.hadoop.hbase.ServerName;<a name="line.34"></a> |
| <span class="sourceLineNo">035</span>import org.apache.hadoop.hbase.ipc.AbstractRpcClient;<a name="line.35"></a> |
| <span class="sourceLineNo">036</span>import org.apache.hadoop.hbase.ipc.BlockingRpcClient;<a name="line.36"></a> |
| <span class="sourceLineNo">037</span>import org.apache.hadoop.hbase.ipc.HBaseRpcController;<a name="line.37"></a> |
| <span class="sourceLineNo">038</span>import org.apache.hadoop.hbase.ipc.RpcClientFactory;<a name="line.38"></a> |
| <span class="sourceLineNo">039</span>import org.apache.hadoop.hbase.net.Address;<a name="line.39"></a> |
| <span class="sourceLineNo">040</span>import org.apache.hadoop.hbase.security.User;<a name="line.40"></a> |
| <span class="sourceLineNo">041</span>import org.apache.hadoop.hbase.testclassification.ClientTests;<a name="line.41"></a> |
| <span class="sourceLineNo">042</span>import org.apache.hadoop.hbase.testclassification.MediumTests;<a name="line.42"></a> |
| <span class="sourceLineNo">043</span>import org.junit.AfterClass;<a name="line.43"></a> |
| <span class="sourceLineNo">044</span>import org.junit.BeforeClass;<a name="line.44"></a> |
| <span class="sourceLineNo">045</span>import org.junit.ClassRule;<a name="line.45"></a> |
| <span class="sourceLineNo">046</span>import org.junit.Test;<a name="line.46"></a> |
| <span class="sourceLineNo">047</span>import org.junit.experimental.categories.Category;<a name="line.47"></a> |
| <span class="sourceLineNo">048</span><a name="line.48"></a> |
| <span class="sourceLineNo">049</span>import org.apache.hbase.thirdparty.com.google.protobuf.BlockingRpcChannel;<a name="line.49"></a> |
| <span class="sourceLineNo">050</span>import org.apache.hbase.thirdparty.com.google.protobuf.Descriptors.MethodDescriptor;<a name="line.50"></a> |
| <span class="sourceLineNo">051</span>import org.apache.hbase.thirdparty.com.google.protobuf.Message;<a name="line.51"></a> |
| <span class="sourceLineNo">052</span>import org.apache.hbase.thirdparty.com.google.protobuf.RpcCallback;<a name="line.52"></a> |
| <span class="sourceLineNo">053</span>import org.apache.hbase.thirdparty.com.google.protobuf.RpcChannel;<a name="line.53"></a> |
| <span class="sourceLineNo">054</span>import org.apache.hbase.thirdparty.com.google.protobuf.RpcController;<a name="line.54"></a> |
| <span class="sourceLineNo">055</span>import org.apache.hbase.thirdparty.com.google.protobuf.ServiceException;<a name="line.55"></a> |
| <span class="sourceLineNo">056</span><a name="line.56"></a> |
| <span class="sourceLineNo">057</span>@Category({ MediumTests.class, ClientTests.class })<a name="line.57"></a> |
| <span class="sourceLineNo">058</span>public class TestClientTimeouts {<a name="line.58"></a> |
| <span class="sourceLineNo">059</span><a name="line.59"></a> |
| <span class="sourceLineNo">060</span> @ClassRule<a name="line.60"></a> |
| <span class="sourceLineNo">061</span> public static final HBaseClassTestRule CLASS_RULE =<a name="line.61"></a> |
| <span class="sourceLineNo">062</span> HBaseClassTestRule.forClass(TestClientTimeouts.class);<a name="line.62"></a> |
| <span class="sourceLineNo">063</span><a name="line.63"></a> |
| <span class="sourceLineNo">064</span> private final static HBaseTestingUtil TEST_UTIL = new HBaseTestingUtil();<a name="line.64"></a> |
| <span class="sourceLineNo">065</span> protected static int SLAVES = 1;<a name="line.65"></a> |
| <span class="sourceLineNo">066</span><a name="line.66"></a> |
| <span class="sourceLineNo">067</span> @BeforeClass<a name="line.67"></a> |
| <span class="sourceLineNo">068</span> public static void setUpBeforeClass() throws Exception {<a name="line.68"></a> |
| <span class="sourceLineNo">069</span> TEST_UTIL.startMiniCluster(SLAVES);<a name="line.69"></a> |
| <span class="sourceLineNo">070</span> }<a name="line.70"></a> |
| <span class="sourceLineNo">071</span><a name="line.71"></a> |
| <span class="sourceLineNo">072</span> @AfterClass<a name="line.72"></a> |
| <span class="sourceLineNo">073</span> public static void tearDownAfterClass() throws Exception {<a name="line.73"></a> |
| <span class="sourceLineNo">074</span> TEST_UTIL.shutdownMiniCluster();<a name="line.74"></a> |
| <span class="sourceLineNo">075</span> }<a name="line.75"></a> |
| <span class="sourceLineNo">076</span><a name="line.76"></a> |
| <span class="sourceLineNo">077</span> private Connection createConnection() {<a name="line.77"></a> |
| <span class="sourceLineNo">078</span> // Ensure the HBaseAdmin uses a new connection by changing Configuration.<a name="line.78"></a> |
| <span class="sourceLineNo">079</span> Configuration conf = HBaseConfiguration.create(TEST_UTIL.getConfiguration());<a name="line.79"></a> |
| <span class="sourceLineNo">080</span> // Set the custom RPC client with random timeouts as the client<a name="line.80"></a> |
| <span class="sourceLineNo">081</span> conf.set(RpcClientFactory.CUSTOM_RPC_CLIENT_IMPL_CONF_KEY,<a name="line.81"></a> |
| <span class="sourceLineNo">082</span> RandomTimeoutRpcClient.class.getName());<a name="line.82"></a> |
| <span class="sourceLineNo">083</span> conf.set(HConstants.HBASE_CLIENT_INSTANCE_ID, String.valueOf(-1));<a name="line.83"></a> |
| <span class="sourceLineNo">084</span> for (;;) {<a name="line.84"></a> |
| <span class="sourceLineNo">085</span> try {<a name="line.85"></a> |
| <span class="sourceLineNo">086</span> return ConnectionFactory.createConnection(conf);<a name="line.86"></a> |
| <span class="sourceLineNo">087</span> } catch (IOException e) {<a name="line.87"></a> |
| <span class="sourceLineNo">088</span> // since we randomly throw SocketTimeoutException, it is possible that we fail when creating<a name="line.88"></a> |
| <span class="sourceLineNo">089</span> // the Connection, but this is not what we want to test here, so just ignore it and try<a name="line.89"></a> |
| <span class="sourceLineNo">090</span> // again<a name="line.90"></a> |
| <span class="sourceLineNo">091</span> }<a name="line.91"></a> |
| <span class="sourceLineNo">092</span> }<a name="line.92"></a> |
| <span class="sourceLineNo">093</span> }<a name="line.93"></a> |
| <span class="sourceLineNo">094</span><a name="line.94"></a> |
| <span class="sourceLineNo">095</span> /**<a name="line.95"></a> |
| <span class="sourceLineNo">096</span> * Test that a client that fails an RPC to the master retries properly and doesn't throw any<a name="line.96"></a> |
| <span class="sourceLineNo">097</span> * unexpected exceptions.<a name="line.97"></a> |
| <span class="sourceLineNo">098</span> */<a name="line.98"></a> |
| <span class="sourceLineNo">099</span> @Test<a name="line.99"></a> |
| <span class="sourceLineNo">100</span> public void testAdminTimeout() throws Exception {<a name="line.100"></a> |
| <span class="sourceLineNo">101</span> try (Connection conn = createConnection(); Admin admin = conn.getAdmin()) {<a name="line.101"></a> |
| <span class="sourceLineNo">102</span> int initialInvocations = invokations.get();<a name="line.102"></a> |
| <span class="sourceLineNo">103</span> boolean balanceEnabled = admin.isBalancerEnabled();<a name="line.103"></a> |
| <span class="sourceLineNo">104</span> for (int i = 0; i < 5; i++) {<a name="line.104"></a> |
| <span class="sourceLineNo">105</span> assertEquals(balanceEnabled, admin.balancerSwitch(!balanceEnabled, false));<a name="line.105"></a> |
| <span class="sourceLineNo">106</span> balanceEnabled = !balanceEnabled;<a name="line.106"></a> |
| <span class="sourceLineNo">107</span> }<a name="line.107"></a> |
| <span class="sourceLineNo">108</span> // Ensure the RandomTimeoutRpcEngine is actually being used.<a name="line.108"></a> |
| <span class="sourceLineNo">109</span> assertTrue(invokations.get() > initialInvocations);<a name="line.109"></a> |
| <span class="sourceLineNo">110</span> }<a name="line.110"></a> |
| <span class="sourceLineNo">111</span> }<a name="line.111"></a> |
| <span class="sourceLineNo">112</span><a name="line.112"></a> |
| <span class="sourceLineNo">113</span> /**<a name="line.113"></a> |
| <span class="sourceLineNo">114</span> * Rpc Channel implementation with RandomTimeoutBlockingRpcChannel<a name="line.114"></a> |
| <span class="sourceLineNo">115</span> */<a name="line.115"></a> |
| <span class="sourceLineNo">116</span> public static class RandomTimeoutRpcClient extends BlockingRpcClient {<a name="line.116"></a> |
| <span class="sourceLineNo">117</span> public RandomTimeoutRpcClient(Configuration conf, String clusterId, SocketAddress localAddr,<a name="line.117"></a> |
| <span class="sourceLineNo">118</span> MetricsConnection metrics, Map<String, byte[]> connectionAttributes) {<a name="line.118"></a> |
| <span class="sourceLineNo">119</span> super(conf, clusterId, localAddr, metrics, connectionAttributes);<a name="line.119"></a> |
| <span class="sourceLineNo">120</span> }<a name="line.120"></a> |
| <span class="sourceLineNo">121</span><a name="line.121"></a> |
| <span class="sourceLineNo">122</span> // Return my own instance, one that does random timeouts<a name="line.122"></a> |
| <span class="sourceLineNo">123</span> @Override<a name="line.123"></a> |
| <span class="sourceLineNo">124</span> public BlockingRpcChannel createBlockingRpcChannel(ServerName sn, User ticket, int rpcTimeout) {<a name="line.124"></a> |
| <span class="sourceLineNo">125</span> return new RandomTimeoutBlockingRpcChannel(this, sn, ticket, rpcTimeout);<a name="line.125"></a> |
| <span class="sourceLineNo">126</span> }<a name="line.126"></a> |
| <span class="sourceLineNo">127</span><a name="line.127"></a> |
| <span class="sourceLineNo">128</span> @Override<a name="line.128"></a> |
| <span class="sourceLineNo">129</span> public RpcChannel createRpcChannel(ServerName sn, User ticket, int rpcTimeout) {<a name="line.129"></a> |
| <span class="sourceLineNo">130</span> return new RandomTimeoutRpcChannel(this, sn, ticket, rpcTimeout);<a name="line.130"></a> |
| <span class="sourceLineNo">131</span> }<a name="line.131"></a> |
| <span class="sourceLineNo">132</span> }<a name="line.132"></a> |
| <span class="sourceLineNo">133</span><a name="line.133"></a> |
| <span class="sourceLineNo">134</span> private static AtomicInteger invokations = new AtomicInteger();<a name="line.134"></a> |
| <span class="sourceLineNo">135</span><a name="line.135"></a> |
| <span class="sourceLineNo">136</span> private static final double CHANCE_OF_TIMEOUT = 0.3;<a name="line.136"></a> |
| <span class="sourceLineNo">137</span><a name="line.137"></a> |
| <span class="sourceLineNo">138</span> /**<a name="line.138"></a> |
| <span class="sourceLineNo">139</span> * Blocking rpc channel that goes via hbase rpc.<a name="line.139"></a> |
| <span class="sourceLineNo">140</span> */<a name="line.140"></a> |
| <span class="sourceLineNo">141</span> private static class RandomTimeoutBlockingRpcChannel<a name="line.141"></a> |
| <span class="sourceLineNo">142</span> extends AbstractRpcClient.BlockingRpcChannelImplementation {<a name="line.142"></a> |
| <span class="sourceLineNo">143</span><a name="line.143"></a> |
| <span class="sourceLineNo">144</span> RandomTimeoutBlockingRpcChannel(BlockingRpcClient rpcClient, ServerName sn, User ticket,<a name="line.144"></a> |
| <span class="sourceLineNo">145</span> int rpcTimeout) {<a name="line.145"></a> |
| <span class="sourceLineNo">146</span> super(rpcClient, Address.fromParts(sn.getHostname(), sn.getPort()), ticket, rpcTimeout);<a name="line.146"></a> |
| <span class="sourceLineNo">147</span> }<a name="line.147"></a> |
| <span class="sourceLineNo">148</span><a name="line.148"></a> |
| <span class="sourceLineNo">149</span> @Override<a name="line.149"></a> |
| <span class="sourceLineNo">150</span> public Message callBlockingMethod(MethodDescriptor md, RpcController controller, Message param,<a name="line.150"></a> |
| <span class="sourceLineNo">151</span> Message returnType) throws ServiceException {<a name="line.151"></a> |
| <span class="sourceLineNo">152</span> invokations.getAndIncrement();<a name="line.152"></a> |
| <span class="sourceLineNo">153</span> if (ThreadLocalRandom.current().nextFloat() < CHANCE_OF_TIMEOUT) {<a name="line.153"></a> |
| <span class="sourceLineNo">154</span> // throw a ServiceException, becuase that is the only exception type that<a name="line.154"></a> |
| <span class="sourceLineNo">155</span> // {@link ProtobufRpcEngine} throws. If this RpcEngine is used with a different<a name="line.155"></a> |
| <span class="sourceLineNo">156</span> // "actual" type, this may not properly mimic the underlying RpcEngine.<a name="line.156"></a> |
| <span class="sourceLineNo">157</span> throw new ServiceException(new SocketTimeoutException("fake timeout"));<a name="line.157"></a> |
| <span class="sourceLineNo">158</span> }<a name="line.158"></a> |
| <span class="sourceLineNo">159</span> return super.callBlockingMethod(md, controller, param, returnType);<a name="line.159"></a> |
| <span class="sourceLineNo">160</span> }<a name="line.160"></a> |
| <span class="sourceLineNo">161</span> }<a name="line.161"></a> |
| <span class="sourceLineNo">162</span><a name="line.162"></a> |
| <span class="sourceLineNo">163</span> private static class RandomTimeoutRpcChannel extends AbstractRpcClient.RpcChannelImplementation {<a name="line.163"></a> |
| <span class="sourceLineNo">164</span><a name="line.164"></a> |
| <span class="sourceLineNo">165</span> RandomTimeoutRpcChannel(AbstractRpcClient<?> rpcClient, ServerName sn, User ticket,<a name="line.165"></a> |
| <span class="sourceLineNo">166</span> int rpcTimeout) {<a name="line.166"></a> |
| <span class="sourceLineNo">167</span> super(rpcClient, Address.fromParts(sn.getHostname(), sn.getPort()), ticket, rpcTimeout);<a name="line.167"></a> |
| <span class="sourceLineNo">168</span> }<a name="line.168"></a> |
| <span class="sourceLineNo">169</span><a name="line.169"></a> |
| <span class="sourceLineNo">170</span> @Override<a name="line.170"></a> |
| <span class="sourceLineNo">171</span> public void callMethod(MethodDescriptor md, RpcController controller, Message param,<a name="line.171"></a> |
| <span class="sourceLineNo">172</span> Message returnType, RpcCallback<Message> done) {<a name="line.172"></a> |
| <span class="sourceLineNo">173</span> invokations.getAndIncrement();<a name="line.173"></a> |
| <span class="sourceLineNo">174</span> if (ThreadLocalRandom.current().nextFloat() < CHANCE_OF_TIMEOUT) {<a name="line.174"></a> |
| <span class="sourceLineNo">175</span> // throw a ServiceException, because that is the only exception type that<a name="line.175"></a> |
| <span class="sourceLineNo">176</span> // {@link ProtobufRpcEngine} throws. If this RpcEngine is used with a different<a name="line.176"></a> |
| <span class="sourceLineNo">177</span> // "actual" type, this may not properly mimic the underlying RpcEngine.<a name="line.177"></a> |
| <span class="sourceLineNo">178</span> ((HBaseRpcController) controller).setFailed(new SocketTimeoutException("fake timeout"));<a name="line.178"></a> |
| <span class="sourceLineNo">179</span> done.run(null);<a name="line.179"></a> |
| <span class="sourceLineNo">180</span> return;<a name="line.180"></a> |
| <span class="sourceLineNo">181</span> }<a name="line.181"></a> |
| <span class="sourceLineNo">182</span> super.callMethod(md, controller, param, returnType, done);<a name="line.182"></a> |
| <span class="sourceLineNo">183</span> }<a name="line.183"></a> |
| <span class="sourceLineNo">184</span> }<a name="line.184"></a> |
| <span class="sourceLineNo">185</span>}<a name="line.185"></a> |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| </pre> |
| </div> |
| </body> |
| </html> |
