| <!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.apache.hadoop.hbase.client.ConnectionConfiguration.HBASE_CLIENT_META_READ_RPC_TIMEOUT_KEY;<a name="line.20"></a> |
| <span class="sourceLineNo">021</span>import static org.apache.hadoop.hbase.client.ConnectionConfiguration.HBASE_CLIENT_META_SCANNER_TIMEOUT;<a name="line.21"></a> |
| <span class="sourceLineNo">022</span>import static org.junit.Assert.assertEquals;<a name="line.22"></a> |
| <span class="sourceLineNo">023</span>import static org.junit.Assert.assertTrue;<a name="line.23"></a> |
| <span class="sourceLineNo">024</span>import static org.junit.Assert.fail;<a name="line.24"></a> |
| <span class="sourceLineNo">025</span><a name="line.25"></a> |
| <span class="sourceLineNo">026</span>import java.io.IOException;<a name="line.26"></a> |
| <span class="sourceLineNo">027</span>import java.util.function.Supplier;<a name="line.27"></a> |
| <span class="sourceLineNo">028</span>import org.apache.hadoop.conf.Configuration;<a name="line.28"></a> |
| <span class="sourceLineNo">029</span>import org.apache.hadoop.hbase.HBaseClassTestRule;<a name="line.29"></a> |
| <span class="sourceLineNo">030</span>import org.apache.hadoop.hbase.HBaseTestingUtil;<a name="line.30"></a> |
| <span class="sourceLineNo">031</span>import org.apache.hadoop.hbase.HConstants;<a name="line.31"></a> |
| <span class="sourceLineNo">032</span>import org.apache.hadoop.hbase.NamespaceDescriptor;<a name="line.32"></a> |
| <span class="sourceLineNo">033</span>import org.apache.hadoop.hbase.SingleProcessHBaseCluster.MiniHBaseClusterRegionServer;<a name="line.33"></a> |
| <span class="sourceLineNo">034</span>import org.apache.hadoop.hbase.TableName;<a name="line.34"></a> |
| <span class="sourceLineNo">035</span>import org.apache.hadoop.hbase.exceptions.OutOfOrderScannerNextException;<a name="line.35"></a> |
| <span class="sourceLineNo">036</span>import org.apache.hadoop.hbase.ipc.CallTimeoutException;<a name="line.36"></a> |
| <span class="sourceLineNo">037</span>import org.apache.hadoop.hbase.regionserver.HRegionServer;<a name="line.37"></a> |
| <span class="sourceLineNo">038</span>import org.apache.hadoop.hbase.regionserver.RSRpcServices;<a name="line.38"></a> |
| <span class="sourceLineNo">039</span>import org.apache.hadoop.hbase.testclassification.ClientTests;<a name="line.39"></a> |
| <span class="sourceLineNo">040</span>import org.apache.hadoop.hbase.testclassification.MediumTests;<a name="line.40"></a> |
| <span class="sourceLineNo">041</span>import org.apache.hadoop.hbase.util.Bytes;<a name="line.41"></a> |
| <span class="sourceLineNo">042</span>import org.junit.AfterClass;<a name="line.42"></a> |
| <span class="sourceLineNo">043</span>import org.junit.BeforeClass;<a name="line.43"></a> |
| <span class="sourceLineNo">044</span>import org.junit.ClassRule;<a name="line.44"></a> |
| <span class="sourceLineNo">045</span>import org.junit.Rule;<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>import org.junit.rules.TestName;<a name="line.48"></a> |
| <span class="sourceLineNo">049</span>import org.slf4j.Logger;<a name="line.49"></a> |
| <span class="sourceLineNo">050</span>import org.slf4j.LoggerFactory;<a name="line.50"></a> |
| <span class="sourceLineNo">051</span><a name="line.51"></a> |
| <span class="sourceLineNo">052</span>import org.apache.hbase.thirdparty.com.google.protobuf.RpcController;<a name="line.52"></a> |
| <span class="sourceLineNo">053</span>import org.apache.hbase.thirdparty.com.google.protobuf.ServiceException;<a name="line.53"></a> |
| <span class="sourceLineNo">054</span><a name="line.54"></a> |
| <span class="sourceLineNo">055</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.ClientProtos.ScanRequest;<a name="line.55"></a> |
| <span class="sourceLineNo">056</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.ClientProtos.ScanResponse;<a name="line.56"></a> |
| <span class="sourceLineNo">057</span><a name="line.57"></a> |
| <span class="sourceLineNo">058</span>@Category({ MediumTests.class, ClientTests.class })<a name="line.58"></a> |
| <span class="sourceLineNo">059</span>public class TestClientScannerTimeouts {<a name="line.59"></a> |
| <span class="sourceLineNo">060</span><a name="line.60"></a> |
| <span class="sourceLineNo">061</span> @ClassRule<a name="line.61"></a> |
| <span class="sourceLineNo">062</span> public static final HBaseClassTestRule CLASS_RULE =<a name="line.62"></a> |
| <span class="sourceLineNo">063</span> HBaseClassTestRule.forClass(TestClientScannerTimeouts.class);<a name="line.63"></a> |
| <span class="sourceLineNo">064</span><a name="line.64"></a> |
| <span class="sourceLineNo">065</span> private static final Logger LOG = LoggerFactory.getLogger(TestClientScannerTimeouts.class);<a name="line.65"></a> |
| <span class="sourceLineNo">066</span> private final static HBaseTestingUtil TEST_UTIL = new HBaseTestingUtil();<a name="line.66"></a> |
| <span class="sourceLineNo">067</span><a name="line.67"></a> |
| <span class="sourceLineNo">068</span> private static AsyncConnection ASYNC_CONN;<a name="line.68"></a> |
| <span class="sourceLineNo">069</span> private static Connection CONN;<a name="line.69"></a> |
| <span class="sourceLineNo">070</span> private static final byte[] FAMILY = Bytes.toBytes("testFamily");<a name="line.70"></a> |
| <span class="sourceLineNo">071</span> private static final byte[] QUALIFIER = Bytes.toBytes("testQualifier");<a name="line.71"></a> |
| <span class="sourceLineNo">072</span> private static final byte[] VALUE = Bytes.toBytes("testValue");<a name="line.72"></a> |
| <span class="sourceLineNo">073</span><a name="line.73"></a> |
| <span class="sourceLineNo">074</span> private static final byte[] ROW0 = Bytes.toBytes("row-0");<a name="line.74"></a> |
| <span class="sourceLineNo">075</span> private static final byte[] ROW1 = Bytes.toBytes("row-1");<a name="line.75"></a> |
| <span class="sourceLineNo">076</span> private static final byte[] ROW2 = Bytes.toBytes("row-2");<a name="line.76"></a> |
| <span class="sourceLineNo">077</span> private static final byte[] ROW3 = Bytes.toBytes("row-3");<a name="line.77"></a> |
| <span class="sourceLineNo">078</span> private static final int rpcTimeout = 1000;<a name="line.78"></a> |
| <span class="sourceLineNo">079</span> private static final int scanTimeout = 3 * rpcTimeout;<a name="line.79"></a> |
| <span class="sourceLineNo">080</span> private static final int metaScanTimeout = 6 * rpcTimeout;<a name="line.80"></a> |
| <span class="sourceLineNo">081</span> private static final int CLIENT_RETRIES_NUMBER = 3;<a name="line.81"></a> |
| <span class="sourceLineNo">082</span><a name="line.82"></a> |
| <span class="sourceLineNo">083</span> private static Table table;<a name="line.83"></a> |
| <span class="sourceLineNo">084</span> private static AsyncTable<AdvancedScanResultConsumer> asyncTable;<a name="line.84"></a> |
| <span class="sourceLineNo">085</span><a name="line.85"></a> |
| <span class="sourceLineNo">086</span> @Rule<a name="line.86"></a> |
| <span class="sourceLineNo">087</span> public TestName name = new TestName();<a name="line.87"></a> |
| <span class="sourceLineNo">088</span><a name="line.88"></a> |
| <span class="sourceLineNo">089</span> @BeforeClass<a name="line.89"></a> |
| <span class="sourceLineNo">090</span> public static void setUpBeforeClass() throws Exception {<a name="line.90"></a> |
| <span class="sourceLineNo">091</span> Configuration conf = TEST_UTIL.getConfiguration();<a name="line.91"></a> |
| <span class="sourceLineNo">092</span> // Don't report so often so easier to see other rpcs<a name="line.92"></a> |
| <span class="sourceLineNo">093</span> conf.setInt("hbase.regionserver.msginterval", 3 * 10000);<a name="line.93"></a> |
| <span class="sourceLineNo">094</span> conf.setInt(HConstants.HBASE_RPC_TIMEOUT_KEY, rpcTimeout);<a name="line.94"></a> |
| <span class="sourceLineNo">095</span> conf.setStrings(HConstants.REGION_SERVER_IMPL, RegionServerWithScanTimeout.class.getName());<a name="line.95"></a> |
| <span class="sourceLineNo">096</span> conf.setInt(HConstants.HBASE_CLIENT_RETRIES_NUMBER, CLIENT_RETRIES_NUMBER);<a name="line.96"></a> |
| <span class="sourceLineNo">097</span> conf.setInt(HConstants.HBASE_CLIENT_PAUSE, 1000);<a name="line.97"></a> |
| <span class="sourceLineNo">098</span> TEST_UTIL.startMiniCluster(1);<a name="line.98"></a> |
| <span class="sourceLineNo">099</span><a name="line.99"></a> |
| <span class="sourceLineNo">100</span> conf.setInt(HConstants.HBASE_CLIENT_SCANNER_TIMEOUT_PERIOD, scanTimeout);<a name="line.100"></a> |
| <span class="sourceLineNo">101</span> conf.setInt(HBASE_CLIENT_META_READ_RPC_TIMEOUT_KEY, metaScanTimeout);<a name="line.101"></a> |
| <span class="sourceLineNo">102</span> conf.setInt(HBASE_CLIENT_META_SCANNER_TIMEOUT, metaScanTimeout);<a name="line.102"></a> |
| <span class="sourceLineNo">103</span> ASYNC_CONN = ConnectionFactory.createAsyncConnection(conf).get();<a name="line.103"></a> |
| <span class="sourceLineNo">104</span> CONN = ASYNC_CONN.toConnection();<a name="line.104"></a> |
| <span class="sourceLineNo">105</span> }<a name="line.105"></a> |
| <span class="sourceLineNo">106</span><a name="line.106"></a> |
| <span class="sourceLineNo">107</span> @AfterClass<a name="line.107"></a> |
| <span class="sourceLineNo">108</span> public static void tearDownAfterClass() throws Exception {<a name="line.108"></a> |
| <span class="sourceLineNo">109</span> CONN.close();<a name="line.109"></a> |
| <span class="sourceLineNo">110</span> ASYNC_CONN.close();<a name="line.110"></a> |
| <span class="sourceLineNo">111</span> TEST_UTIL.shutdownMiniCluster();<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> public void setup(boolean isSystemTable) throws IOException {<a name="line.114"></a> |
| <span class="sourceLineNo">115</span> RSRpcServicesWithScanTimeout.reset();<a name="line.115"></a> |
| <span class="sourceLineNo">116</span><a name="line.116"></a> |
| <span class="sourceLineNo">117</span> String nameAsString = name.getMethodName();<a name="line.117"></a> |
| <span class="sourceLineNo">118</span> if (isSystemTable) {<a name="line.118"></a> |
| <span class="sourceLineNo">119</span> nameAsString = NamespaceDescriptor.SYSTEM_NAMESPACE_NAME_STR + ":" + nameAsString;<a name="line.119"></a> |
| <span class="sourceLineNo">120</span> }<a name="line.120"></a> |
| <span class="sourceLineNo">121</span> final TableName tableName = TableName.valueOf(nameAsString);<a name="line.121"></a> |
| <span class="sourceLineNo">122</span><a name="line.122"></a> |
| <span class="sourceLineNo">123</span> TEST_UTIL.createTable(tableName, FAMILY);<a name="line.123"></a> |
| <span class="sourceLineNo">124</span> table = CONN.getTable(tableName);<a name="line.124"></a> |
| <span class="sourceLineNo">125</span> asyncTable = ASYNC_CONN.getTable(tableName);<a name="line.125"></a> |
| <span class="sourceLineNo">126</span> putToTable(table, ROW0);<a name="line.126"></a> |
| <span class="sourceLineNo">127</span> putToTable(table, ROW1);<a name="line.127"></a> |
| <span class="sourceLineNo">128</span> putToTable(table, ROW2);<a name="line.128"></a> |
| <span class="sourceLineNo">129</span> putToTable(table, ROW3);<a name="line.129"></a> |
| <span class="sourceLineNo">130</span> LOG.info("Wrote our four values");<a name="line.130"></a> |
| <span class="sourceLineNo">131</span><a name="line.131"></a> |
| <span class="sourceLineNo">132</span> table.getRegionLocator().getAllRegionLocations();<a name="line.132"></a> |
| <span class="sourceLineNo">133</span><a name="line.133"></a> |
| <span class="sourceLineNo">134</span> // reset again incase the creation/population caused anything to trigger<a name="line.134"></a> |
| <span class="sourceLineNo">135</span> RSRpcServicesWithScanTimeout.reset();<a name="line.135"></a> |
| <span class="sourceLineNo">136</span> }<a name="line.136"></a> |
| <span class="sourceLineNo">137</span><a name="line.137"></a> |
| <span class="sourceLineNo">138</span> private void expectRow(byte[] expected, Result result) {<a name="line.138"></a> |
| <span class="sourceLineNo">139</span> assertTrue("Expected row: " + Bytes.toString(expected),<a name="line.139"></a> |
| <span class="sourceLineNo">140</span> Bytes.equals(expected, result.getRow()));<a name="line.140"></a> |
| <span class="sourceLineNo">141</span> }<a name="line.141"></a> |
| <span class="sourceLineNo">142</span><a name="line.142"></a> |
| <span class="sourceLineNo">143</span> private void expectNumTries(int expected) {<a name="line.143"></a> |
| <span class="sourceLineNo">144</span> assertEquals(<a name="line.144"></a> |
| <span class="sourceLineNo">145</span> "Expected tryNumber=" + expected + ", actual=" + RSRpcServicesWithScanTimeout.tryNumber,<a name="line.145"></a> |
| <span class="sourceLineNo">146</span> expected, RSRpcServicesWithScanTimeout.tryNumber);<a name="line.146"></a> |
| <span class="sourceLineNo">147</span> // reset for next<a name="line.147"></a> |
| <span class="sourceLineNo">148</span> RSRpcServicesWithScanTimeout.tryNumber = 0;<a name="line.148"></a> |
| <span class="sourceLineNo">149</span> }<a name="line.149"></a> |
| <span class="sourceLineNo">150</span><a name="line.150"></a> |
| <span class="sourceLineNo">151</span> /**<a name="line.151"></a> |
| <span class="sourceLineNo">152</span> * verify that we don't miss any data when encountering an OutOfOrderScannerNextException.<a name="line.152"></a> |
| <span class="sourceLineNo">153</span> * Typically, the only way to naturally trigger this is if a client-side timeout causes an<a name="line.153"></a> |
| <span class="sourceLineNo">154</span> * erroneous next() call. This is relatively hard to do these days because the server attempts to<a name="line.154"></a> |
| <span class="sourceLineNo">155</span> * always return before the timeout. In this test we force the server to throw this exception, so<a name="line.155"></a> |
| <span class="sourceLineNo">156</span> * that we can test the retry logic appropriately.<a name="line.156"></a> |
| <span class="sourceLineNo">157</span> */<a name="line.157"></a> |
| <span class="sourceLineNo">158</span> @Test<a name="line.158"></a> |
| <span class="sourceLineNo">159</span> public void testRetryOutOfOrderScannerNextException() throws IOException {<a name="line.159"></a> |
| <span class="sourceLineNo">160</span> expectRetryOutOfOrderScannerNext(this::getScanner);<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> /**<a name="line.163"></a> |
| <span class="sourceLineNo">164</span> * AsyncTable version of above<a name="line.164"></a> |
| <span class="sourceLineNo">165</span> */<a name="line.165"></a> |
| <span class="sourceLineNo">166</span> @Test<a name="line.166"></a> |
| <span class="sourceLineNo">167</span> public void testRetryOutOfOrderScannerNextExceptionAsync() throws IOException {<a name="line.167"></a> |
| <span class="sourceLineNo">168</span> expectRetryOutOfOrderScannerNext(this::getAsyncScanner);<a name="line.168"></a> |
| <span class="sourceLineNo">169</span> }<a name="line.169"></a> |
| <span class="sourceLineNo">170</span><a name="line.170"></a> |
| <span class="sourceLineNo">171</span> /**<a name="line.171"></a> |
| <span class="sourceLineNo">172</span> * verify that we honor the {@link HConstants#HBASE_CLIENT_SCANNER_TIMEOUT_PERIOD} for normal<a name="line.172"></a> |
| <span class="sourceLineNo">173</span> * scans.<a name="line.173"></a> |
| <span class="sourceLineNo">174</span> */<a name="line.174"></a> |
| <span class="sourceLineNo">175</span> @Test<a name="line.175"></a> |
| <span class="sourceLineNo">176</span> public void testNormalScanTimeoutOnNext() throws IOException {<a name="line.176"></a> |
| <span class="sourceLineNo">177</span> setup(false);<a name="line.177"></a> |
| <span class="sourceLineNo">178</span> expectTimeoutOnNext(scanTimeout, this::getScanner);<a name="line.178"></a> |
| <span class="sourceLineNo">179</span> }<a name="line.179"></a> |
| <span class="sourceLineNo">180</span><a name="line.180"></a> |
| <span class="sourceLineNo">181</span> /**<a name="line.181"></a> |
| <span class="sourceLineNo">182</span> * AsyncTable version of above<a name="line.182"></a> |
| <span class="sourceLineNo">183</span> */<a name="line.183"></a> |
| <span class="sourceLineNo">184</span> @Test<a name="line.184"></a> |
| <span class="sourceLineNo">185</span> public void testNormalScanTimeoutOnNextAsync() throws IOException {<a name="line.185"></a> |
| <span class="sourceLineNo">186</span> setup(false);<a name="line.186"></a> |
| <span class="sourceLineNo">187</span> expectTimeoutOnNext(scanTimeout, this::getAsyncScanner);<a name="line.187"></a> |
| <span class="sourceLineNo">188</span> }<a name="line.188"></a> |
| <span class="sourceLineNo">189</span><a name="line.189"></a> |
| <span class="sourceLineNo">190</span> /**<a name="line.190"></a> |
| <span class="sourceLineNo">191</span> * verify that we honor {@link HConstants#HBASE_RPC_READ_TIMEOUT_KEY} for openScanner() calls for<a name="line.191"></a> |
| <span class="sourceLineNo">192</span> * meta scans<a name="line.192"></a> |
| <span class="sourceLineNo">193</span> */<a name="line.193"></a> |
| <span class="sourceLineNo">194</span> @Test<a name="line.194"></a> |
| <span class="sourceLineNo">195</span> public void testNormalScanTimeoutOnOpenScanner() throws IOException {<a name="line.195"></a> |
| <span class="sourceLineNo">196</span> setup(false);<a name="line.196"></a> |
| <span class="sourceLineNo">197</span> expectTimeoutOnOpenScanner(rpcTimeout, this::getScanner);<a name="line.197"></a> |
| <span class="sourceLineNo">198</span> }<a name="line.198"></a> |
| <span class="sourceLineNo">199</span><a name="line.199"></a> |
| <span class="sourceLineNo">200</span> /**<a name="line.200"></a> |
| <span class="sourceLineNo">201</span> * AsyncTable version of above<a name="line.201"></a> |
| <span class="sourceLineNo">202</span> */<a name="line.202"></a> |
| <span class="sourceLineNo">203</span> @Test<a name="line.203"></a> |
| <span class="sourceLineNo">204</span> public void testNormalScanTimeoutOnOpenScannerAsync() throws IOException {<a name="line.204"></a> |
| <span class="sourceLineNo">205</span> setup(false);<a name="line.205"></a> |
| <span class="sourceLineNo">206</span> expectTimeoutOnOpenScanner(rpcTimeout, this::getAsyncScanner);<a name="line.206"></a> |
| <span class="sourceLineNo">207</span> }<a name="line.207"></a> |
| <span class="sourceLineNo">208</span><a name="line.208"></a> |
| <span class="sourceLineNo">209</span> /**<a name="line.209"></a> |
| <span class="sourceLineNo">210</span> * verify that we honor {@link ConnectionConfiguration#HBASE_CLIENT_META_SCANNER_TIMEOUT} for<a name="line.210"></a> |
| <span class="sourceLineNo">211</span> * next() calls in meta scans<a name="line.211"></a> |
| <span class="sourceLineNo">212</span> */<a name="line.212"></a> |
| <span class="sourceLineNo">213</span> @Test<a name="line.213"></a> |
| <span class="sourceLineNo">214</span> public void testMetaScanTimeoutOnNext() throws IOException {<a name="line.214"></a> |
| <span class="sourceLineNo">215</span> setup(true);<a name="line.215"></a> |
| <span class="sourceLineNo">216</span> expectTimeoutOnNext(metaScanTimeout, this::getScanner);<a name="line.216"></a> |
| <span class="sourceLineNo">217</span> }<a name="line.217"></a> |
| <span class="sourceLineNo">218</span><a name="line.218"></a> |
| <span class="sourceLineNo">219</span> /**<a name="line.219"></a> |
| <span class="sourceLineNo">220</span> * AsyncTable version of above<a name="line.220"></a> |
| <span class="sourceLineNo">221</span> */<a name="line.221"></a> |
| <span class="sourceLineNo">222</span> @Test<a name="line.222"></a> |
| <span class="sourceLineNo">223</span> public void testMetaScanTimeoutOnNextAsync() throws IOException {<a name="line.223"></a> |
| <span class="sourceLineNo">224</span> setup(true);<a name="line.224"></a> |
| <span class="sourceLineNo">225</span> expectTimeoutOnNext(metaScanTimeout, this::getAsyncScanner);<a name="line.225"></a> |
| <span class="sourceLineNo">226</span> }<a name="line.226"></a> |
| <span class="sourceLineNo">227</span><a name="line.227"></a> |
| <span class="sourceLineNo">228</span> /**<a name="line.228"></a> |
| <span class="sourceLineNo">229</span> * verify that we honor {@link ConnectionConfiguration#HBASE_CLIENT_META_READ_RPC_TIMEOUT_KEY} for<a name="line.229"></a> |
| <span class="sourceLineNo">230</span> * openScanner() calls for meta scans<a name="line.230"></a> |
| <span class="sourceLineNo">231</span> */<a name="line.231"></a> |
| <span class="sourceLineNo">232</span> @Test<a name="line.232"></a> |
| <span class="sourceLineNo">233</span> public void testMetaScanTimeoutOnOpenScanner() throws IOException {<a name="line.233"></a> |
| <span class="sourceLineNo">234</span> setup(true);<a name="line.234"></a> |
| <span class="sourceLineNo">235</span> expectTimeoutOnOpenScanner(metaScanTimeout, this::getScanner);<a name="line.235"></a> |
| <span class="sourceLineNo">236</span> }<a name="line.236"></a> |
| <span class="sourceLineNo">237</span><a name="line.237"></a> |
| <span class="sourceLineNo">238</span> /**<a name="line.238"></a> |
| <span class="sourceLineNo">239</span> * AsyncTable version of above<a name="line.239"></a> |
| <span class="sourceLineNo">240</span> */<a name="line.240"></a> |
| <span class="sourceLineNo">241</span> @Test<a name="line.241"></a> |
| <span class="sourceLineNo">242</span> public void testMetaScanTimeoutOnOpenScannerAsync() throws IOException {<a name="line.242"></a> |
| <span class="sourceLineNo">243</span> setup(true);<a name="line.243"></a> |
| <span class="sourceLineNo">244</span> expectTimeoutOnOpenScanner(metaScanTimeout, this::getAsyncScanner);<a name="line.244"></a> |
| <span class="sourceLineNo">245</span> }<a name="line.245"></a> |
| <span class="sourceLineNo">246</span><a name="line.246"></a> |
| <span class="sourceLineNo">247</span> private void expectRetryOutOfOrderScannerNext(Supplier<ResultScanner> scannerSupplier)<a name="line.247"></a> |
| <span class="sourceLineNo">248</span> throws IOException {<a name="line.248"></a> |
| <span class="sourceLineNo">249</span> setup(false);<a name="line.249"></a> |
| <span class="sourceLineNo">250</span> RSRpcServicesWithScanTimeout.seqNoToThrowOn = 1;<a name="line.250"></a> |
| <span class="sourceLineNo">251</span><a name="line.251"></a> |
| <span class="sourceLineNo">252</span> LOG.info(<a name="line.252"></a> |
| <span class="sourceLineNo">253</span> "Opening scanner, expecting no errors from first next() call from openScanner response");<a name="line.253"></a> |
| <span class="sourceLineNo">254</span> ResultScanner scanner = scannerSupplier.get();<a name="line.254"></a> |
| <span class="sourceLineNo">255</span> Result result = scanner.next();<a name="line.255"></a> |
| <span class="sourceLineNo">256</span> expectRow(ROW0, result);<a name="line.256"></a> |
| <span class="sourceLineNo">257</span> expectNumTries(0);<a name="line.257"></a> |
| <span class="sourceLineNo">258</span><a name="line.258"></a> |
| <span class="sourceLineNo">259</span> LOG.info("Making first next() RPC, expecting no errors for seqNo 0");<a name="line.259"></a> |
| <span class="sourceLineNo">260</span> result = scanner.next();<a name="line.260"></a> |
| <span class="sourceLineNo">261</span> expectRow(ROW1, result);<a name="line.261"></a> |
| <span class="sourceLineNo">262</span> expectNumTries(0);<a name="line.262"></a> |
| <span class="sourceLineNo">263</span><a name="line.263"></a> |
| <span class="sourceLineNo">264</span> LOG.info(<a name="line.264"></a> |
| <span class="sourceLineNo">265</span> "Making second next() RPC, expecting OutOfOrderScannerNextException and appropriate retry");<a name="line.265"></a> |
| <span class="sourceLineNo">266</span> result = scanner.next();<a name="line.266"></a> |
| <span class="sourceLineNo">267</span> expectRow(ROW2, result);<a name="line.267"></a> |
| <span class="sourceLineNo">268</span> expectNumTries(1);<a name="line.268"></a> |
| <span class="sourceLineNo">269</span><a name="line.269"></a> |
| <span class="sourceLineNo">270</span> // reset so no errors. since last call restarted the scan and following<a name="line.270"></a> |
| <span class="sourceLineNo">271</span> // call would otherwise fail<a name="line.271"></a> |
| <span class="sourceLineNo">272</span> RSRpcServicesWithScanTimeout.seqNoToThrowOn = -1;<a name="line.272"></a> |
| <span class="sourceLineNo">273</span><a name="line.273"></a> |
| <span class="sourceLineNo">274</span> LOG.info("Finishing scan, expecting no errors");<a name="line.274"></a> |
| <span class="sourceLineNo">275</span> result = scanner.next();<a name="line.275"></a> |
| <span class="sourceLineNo">276</span> expectRow(ROW3, result);<a name="line.276"></a> |
| <span class="sourceLineNo">277</span> scanner.close();<a name="line.277"></a> |
| <span class="sourceLineNo">278</span><a name="line.278"></a> |
| <span class="sourceLineNo">279</span> LOG.info("Testing always throw exception");<a name="line.279"></a> |
| <span class="sourceLineNo">280</span> byte[][] expectedResults = new byte[][] { ROW0, ROW1, ROW2, ROW3 };<a name="line.280"></a> |
| <span class="sourceLineNo">281</span> int i = 0;<a name="line.281"></a> |
| <span class="sourceLineNo">282</span><a name="line.282"></a> |
| <span class="sourceLineNo">283</span> // test the case that RPC always throws<a name="line.283"></a> |
| <span class="sourceLineNo">284</span> scanner = scannerSupplier.get();<a name="line.284"></a> |
| <span class="sourceLineNo">285</span> RSRpcServicesWithScanTimeout.throwAlways = true;<a name="line.285"></a> |
| <span class="sourceLineNo">286</span><a name="line.286"></a> |
| <span class="sourceLineNo">287</span> while (true) {<a name="line.287"></a> |
| <span class="sourceLineNo">288</span> LOG.info("Calling scanner.next()");<a name="line.288"></a> |
| <span class="sourceLineNo">289</span> result = scanner.next();<a name="line.289"></a> |
| <span class="sourceLineNo">290</span> if (result == null) {<a name="line.290"></a> |
| <span class="sourceLineNo">291</span> break;<a name="line.291"></a> |
| <span class="sourceLineNo">292</span> } else {<a name="line.292"></a> |
| <span class="sourceLineNo">293</span> byte[] expectedResult = expectedResults[i++];<a name="line.293"></a> |
| <span class="sourceLineNo">294</span> expectRow(expectedResult, result);<a name="line.294"></a> |
| <span class="sourceLineNo">295</span> }<a name="line.295"></a> |
| <span class="sourceLineNo">296</span> }<a name="line.296"></a> |
| <span class="sourceLineNo">297</span><a name="line.297"></a> |
| <span class="sourceLineNo">298</span> // ensure we verified all rows. this along with the expectRow check above<a name="line.298"></a> |
| <span class="sourceLineNo">299</span> // proves that we didn't miss any rows.<a name="line.299"></a> |
| <span class="sourceLineNo">300</span> assertEquals("Expected to exhaust expectedResults array length=" + expectedResults.length<a name="line.300"></a> |
| <span class="sourceLineNo">301</span> + ", actual index=" + i, expectedResults.length, i);<a name="line.301"></a> |
| <span class="sourceLineNo">302</span><a name="line.302"></a> |
| <span class="sourceLineNo">303</span> // expect all but the first row (which came from initial openScanner) to have thrown an error<a name="line.303"></a> |
| <span class="sourceLineNo">304</span> expectNumTries(expectedResults.length - 1);<a name="line.304"></a> |
| <span class="sourceLineNo">305</span><a name="line.305"></a> |
| <span class="sourceLineNo">306</span> }<a name="line.306"></a> |
| <span class="sourceLineNo">307</span><a name="line.307"></a> |
| <span class="sourceLineNo">308</span> private void expectTimeoutOnNext(int timeout, Supplier<ResultScanner> scannerSupplier)<a name="line.308"></a> |
| <span class="sourceLineNo">309</span> throws IOException {<a name="line.309"></a> |
| <span class="sourceLineNo">310</span> RSRpcServicesWithScanTimeout.seqNoToSleepOn = 1;<a name="line.310"></a> |
| <span class="sourceLineNo">311</span> RSRpcServicesWithScanTimeout.setSleepForTimeout(timeout);<a name="line.311"></a> |
| <span class="sourceLineNo">312</span><a name="line.312"></a> |
| <span class="sourceLineNo">313</span> LOG.info(<a name="line.313"></a> |
| <span class="sourceLineNo">314</span> "Opening scanner, expecting no timeouts from first next() call from openScanner response");<a name="line.314"></a> |
| <span class="sourceLineNo">315</span> ResultScanner scanner = scannerSupplier.get();<a name="line.315"></a> |
| <span class="sourceLineNo">316</span> Result result = scanner.next();<a name="line.316"></a> |
| <span class="sourceLineNo">317</span> expectRow(ROW0, result);<a name="line.317"></a> |
| <span class="sourceLineNo">318</span><a name="line.318"></a> |
| <span class="sourceLineNo">319</span> LOG.info("Making first next() RPC, expecting no timeout for seqNo 0");<a name="line.319"></a> |
| <span class="sourceLineNo">320</span> result = scanner.next();<a name="line.320"></a> |
| <span class="sourceLineNo">321</span> expectRow(ROW1, result);<a name="line.321"></a> |
| <span class="sourceLineNo">322</span><a name="line.322"></a> |
| <span class="sourceLineNo">323</span> LOG.info("Making second next() RPC, expecting timeout");<a name="line.323"></a> |
| <span class="sourceLineNo">324</span> long start = System.nanoTime();<a name="line.324"></a> |
| <span class="sourceLineNo">325</span> try {<a name="line.325"></a> |
| <span class="sourceLineNo">326</span> scanner.next();<a name="line.326"></a> |
| <span class="sourceLineNo">327</span> fail("Expected CallTimeoutException");<a name="line.327"></a> |
| <span class="sourceLineNo">328</span> } catch (RetriesExhaustedException e) {<a name="line.328"></a> |
| <span class="sourceLineNo">329</span> assertTrue("Expected CallTimeoutException", e.getCause() instanceof CallTimeoutException);<a name="line.329"></a> |
| <span class="sourceLineNo">330</span> }<a name="line.330"></a> |
| <span class="sourceLineNo">331</span> expectTimeout(start, timeout);<a name="line.331"></a> |
| <span class="sourceLineNo">332</span> }<a name="line.332"></a> |
| <span class="sourceLineNo">333</span><a name="line.333"></a> |
| <span class="sourceLineNo">334</span> private void expectTimeoutOnOpenScanner(int timeout, Supplier<ResultScanner> scannerSupplier)<a name="line.334"></a> |
| <span class="sourceLineNo">335</span> throws IOException {<a name="line.335"></a> |
| <span class="sourceLineNo">336</span> RSRpcServicesWithScanTimeout.setSleepForTimeout(timeout);<a name="line.336"></a> |
| <span class="sourceLineNo">337</span> RSRpcServicesWithScanTimeout.sleepOnOpen = true;<a name="line.337"></a> |
| <span class="sourceLineNo">338</span> LOG.info("Opening scanner, expecting timeout from first next() call from openScanner response");<a name="line.338"></a> |
| <span class="sourceLineNo">339</span> long start = System.nanoTime();<a name="line.339"></a> |
| <span class="sourceLineNo">340</span> try {<a name="line.340"></a> |
| <span class="sourceLineNo">341</span> scannerSupplier.get().next();<a name="line.341"></a> |
| <span class="sourceLineNo">342</span> fail("Expected CallTimeoutException");<a name="line.342"></a> |
| <span class="sourceLineNo">343</span> } catch (RetriesExhaustedException e) {<a name="line.343"></a> |
| <span class="sourceLineNo">344</span> assertTrue("Expected CallTimeoutException, but was " + e.getCause(),<a name="line.344"></a> |
| <span class="sourceLineNo">345</span> e.getCause() instanceof CallTimeoutException);<a name="line.345"></a> |
| <span class="sourceLineNo">346</span> }<a name="line.346"></a> |
| <span class="sourceLineNo">347</span> expectTimeout(start, timeout);<a name="line.347"></a> |
| <span class="sourceLineNo">348</span> }<a name="line.348"></a> |
| <span class="sourceLineNo">349</span><a name="line.349"></a> |
| <span class="sourceLineNo">350</span> private void expectTimeout(long start, int timeout) {<a name="line.350"></a> |
| <span class="sourceLineNo">351</span> long duration = System.nanoTime() - start;<a name="line.351"></a> |
| <span class="sourceLineNo">352</span> assertTrue("Expected duration >= " + timeout + ", but was " + duration, duration >= timeout);<a name="line.352"></a> |
| <span class="sourceLineNo">353</span> }<a name="line.353"></a> |
| <span class="sourceLineNo">354</span><a name="line.354"></a> |
| <span class="sourceLineNo">355</span> private ResultScanner getScanner() {<a name="line.355"></a> |
| <span class="sourceLineNo">356</span> Scan scan = new Scan();<a name="line.356"></a> |
| <span class="sourceLineNo">357</span> scan.setCaching(1);<a name="line.357"></a> |
| <span class="sourceLineNo">358</span> try {<a name="line.358"></a> |
| <span class="sourceLineNo">359</span> return table.getScanner(scan);<a name="line.359"></a> |
| <span class="sourceLineNo">360</span> } catch (IOException e) {<a name="line.360"></a> |
| <span class="sourceLineNo">361</span> throw new RuntimeException(e);<a name="line.361"></a> |
| <span class="sourceLineNo">362</span> }<a name="line.362"></a> |
| <span class="sourceLineNo">363</span> }<a name="line.363"></a> |
| <span class="sourceLineNo">364</span><a name="line.364"></a> |
| <span class="sourceLineNo">365</span> private ResultScanner getAsyncScanner() {<a name="line.365"></a> |
| <span class="sourceLineNo">366</span> Scan scan = new Scan();<a name="line.366"></a> |
| <span class="sourceLineNo">367</span> scan.setCaching(1);<a name="line.367"></a> |
| <span class="sourceLineNo">368</span> return asyncTable.getScanner(scan);<a name="line.368"></a> |
| <span class="sourceLineNo">369</span> }<a name="line.369"></a> |
| <span class="sourceLineNo">370</span><a name="line.370"></a> |
| <span class="sourceLineNo">371</span> private void putToTable(Table ht, byte[] rowkey) throws IOException {<a name="line.371"></a> |
| <span class="sourceLineNo">372</span> Put put = new Put(rowkey);<a name="line.372"></a> |
| <span class="sourceLineNo">373</span> put.addColumn(FAMILY, QUALIFIER, VALUE);<a name="line.373"></a> |
| <span class="sourceLineNo">374</span> ht.put(put);<a name="line.374"></a> |
| <span class="sourceLineNo">375</span> }<a name="line.375"></a> |
| <span class="sourceLineNo">376</span><a name="line.376"></a> |
| <span class="sourceLineNo">377</span> private static class RegionServerWithScanTimeout extends MiniHBaseClusterRegionServer {<a name="line.377"></a> |
| <span class="sourceLineNo">378</span> public RegionServerWithScanTimeout(Configuration conf)<a name="line.378"></a> |
| <span class="sourceLineNo">379</span> throws IOException, InterruptedException {<a name="line.379"></a> |
| <span class="sourceLineNo">380</span> super(conf);<a name="line.380"></a> |
| <span class="sourceLineNo">381</span> }<a name="line.381"></a> |
| <span class="sourceLineNo">382</span><a name="line.382"></a> |
| <span class="sourceLineNo">383</span> @Override<a name="line.383"></a> |
| <span class="sourceLineNo">384</span> protected RSRpcServices createRpcServices() throws IOException {<a name="line.384"></a> |
| <span class="sourceLineNo">385</span> return new RSRpcServicesWithScanTimeout(this);<a name="line.385"></a> |
| <span class="sourceLineNo">386</span> }<a name="line.386"></a> |
| <span class="sourceLineNo">387</span> }<a name="line.387"></a> |
| <span class="sourceLineNo">388</span><a name="line.388"></a> |
| <span class="sourceLineNo">389</span> private static class RSRpcServicesWithScanTimeout extends RSRpcServices {<a name="line.389"></a> |
| <span class="sourceLineNo">390</span> private long tableScannerId;<a name="line.390"></a> |
| <span class="sourceLineNo">391</span><a name="line.391"></a> |
| <span class="sourceLineNo">392</span> private static long seqNoToThrowOn = -1;<a name="line.392"></a> |
| <span class="sourceLineNo">393</span> private static boolean throwAlways = false;<a name="line.393"></a> |
| <span class="sourceLineNo">394</span> private static boolean threw;<a name="line.394"></a> |
| <span class="sourceLineNo">395</span><a name="line.395"></a> |
| <span class="sourceLineNo">396</span> private static long seqNoToSleepOn = -1;<a name="line.396"></a> |
| <span class="sourceLineNo">397</span> private static boolean sleepOnOpen = false;<a name="line.397"></a> |
| <span class="sourceLineNo">398</span> private static volatile boolean slept;<a name="line.398"></a> |
| <span class="sourceLineNo">399</span> private static int tryNumber = 0;<a name="line.399"></a> |
| <span class="sourceLineNo">400</span><a name="line.400"></a> |
| <span class="sourceLineNo">401</span> private static int sleepTime = rpcTimeout + 500;<a name="line.401"></a> |
| <span class="sourceLineNo">402</span><a name="line.402"></a> |
| <span class="sourceLineNo">403</span> public static void setSleepForTimeout(int timeout) {<a name="line.403"></a> |
| <span class="sourceLineNo">404</span> sleepTime = timeout + 500;<a name="line.404"></a> |
| <span class="sourceLineNo">405</span> }<a name="line.405"></a> |
| <span class="sourceLineNo">406</span><a name="line.406"></a> |
| <span class="sourceLineNo">407</span> public static void reset() {<a name="line.407"></a> |
| <span class="sourceLineNo">408</span> setSleepForTimeout(scanTimeout);<a name="line.408"></a> |
| <span class="sourceLineNo">409</span><a name="line.409"></a> |
| <span class="sourceLineNo">410</span> seqNoToSleepOn = -1;<a name="line.410"></a> |
| <span class="sourceLineNo">411</span> seqNoToThrowOn = -1;<a name="line.411"></a> |
| <span class="sourceLineNo">412</span> throwAlways = false;<a name="line.412"></a> |
| <span class="sourceLineNo">413</span> threw = false;<a name="line.413"></a> |
| <span class="sourceLineNo">414</span> sleepOnOpen = false;<a name="line.414"></a> |
| <span class="sourceLineNo">415</span> slept = false;<a name="line.415"></a> |
| <span class="sourceLineNo">416</span> tryNumber = 0;<a name="line.416"></a> |
| <span class="sourceLineNo">417</span> }<a name="line.417"></a> |
| <span class="sourceLineNo">418</span><a name="line.418"></a> |
| <span class="sourceLineNo">419</span> public RSRpcServicesWithScanTimeout(HRegionServer rs) throws IOException {<a name="line.419"></a> |
| <span class="sourceLineNo">420</span> super(rs);<a name="line.420"></a> |
| <span class="sourceLineNo">421</span> }<a name="line.421"></a> |
| <span class="sourceLineNo">422</span><a name="line.422"></a> |
| <span class="sourceLineNo">423</span> @Override<a name="line.423"></a> |
| <span class="sourceLineNo">424</span> public ScanResponse scan(final RpcController controller, final ScanRequest request)<a name="line.424"></a> |
| <span class="sourceLineNo">425</span> throws ServiceException {<a name="line.425"></a> |
| <span class="sourceLineNo">426</span> if (request.hasScannerId()) {<a name="line.426"></a> |
| <span class="sourceLineNo">427</span> ScanResponse scanResponse = super.scan(controller, request);<a name="line.427"></a> |
| <span class="sourceLineNo">428</span> if (tableScannerId != request.getScannerId() || request.getCloseScanner()) {<a name="line.428"></a> |
| <span class="sourceLineNo">429</span> return scanResponse;<a name="line.429"></a> |
| <span class="sourceLineNo">430</span> }<a name="line.430"></a> |
| <span class="sourceLineNo">431</span><a name="line.431"></a> |
| <span class="sourceLineNo">432</span> if (<a name="line.432"></a> |
| <span class="sourceLineNo">433</span> throwAlways<a name="line.433"></a> |
| <span class="sourceLineNo">434</span> || (!threw && request.hasNextCallSeq() && seqNoToThrowOn == request.getNextCallSeq())<a name="line.434"></a> |
| <span class="sourceLineNo">435</span> ) {<a name="line.435"></a> |
| <span class="sourceLineNo">436</span> threw = true;<a name="line.436"></a> |
| <span class="sourceLineNo">437</span> tryNumber++;<a name="line.437"></a> |
| <span class="sourceLineNo">438</span> LOG.info("THROWING exception, tryNumber={}, tableScannerId={}", tryNumber,<a name="line.438"></a> |
| <span class="sourceLineNo">439</span> tableScannerId);<a name="line.439"></a> |
| <span class="sourceLineNo">440</span> throw new ServiceException(new OutOfOrderScannerNextException());<a name="line.440"></a> |
| <span class="sourceLineNo">441</span> }<a name="line.441"></a> |
| <span class="sourceLineNo">442</span><a name="line.442"></a> |
| <span class="sourceLineNo">443</span> if (!slept && request.hasNextCallSeq() && seqNoToSleepOn == request.getNextCallSeq()) {<a name="line.443"></a> |
| <span class="sourceLineNo">444</span> try {<a name="line.444"></a> |
| <span class="sourceLineNo">445</span> LOG.info("SLEEPING " + sleepTime);<a name="line.445"></a> |
| <span class="sourceLineNo">446</span> Thread.sleep(sleepTime);<a name="line.446"></a> |
| <span class="sourceLineNo">447</span> } catch (InterruptedException e) {<a name="line.447"></a> |
| <span class="sourceLineNo">448</span> }<a name="line.448"></a> |
| <span class="sourceLineNo">449</span> slept = true;<a name="line.449"></a> |
| <span class="sourceLineNo">450</span> tryNumber++;<a name="line.450"></a> |
| <span class="sourceLineNo">451</span> }<a name="line.451"></a> |
| <span class="sourceLineNo">452</span> return scanResponse;<a name="line.452"></a> |
| <span class="sourceLineNo">453</span> } else {<a name="line.453"></a> |
| <span class="sourceLineNo">454</span> ScanResponse scanRes = super.scan(controller, request);<a name="line.454"></a> |
| <span class="sourceLineNo">455</span> String regionName = Bytes.toString(request.getRegion().getValue().toByteArray());<a name="line.455"></a> |
| <span class="sourceLineNo">456</span> if (!regionName.contains(TableName.META_TABLE_NAME.getNameAsString())) {<a name="line.456"></a> |
| <span class="sourceLineNo">457</span> tableScannerId = scanRes.getScannerId();<a name="line.457"></a> |
| <span class="sourceLineNo">458</span> if (sleepOnOpen) {<a name="line.458"></a> |
| <span class="sourceLineNo">459</span> try {<a name="line.459"></a> |
| <span class="sourceLineNo">460</span> LOG.info("openScanner SLEEPING " + sleepTime);<a name="line.460"></a> |
| <span class="sourceLineNo">461</span> Thread.sleep(sleepTime);<a name="line.461"></a> |
| <span class="sourceLineNo">462</span> } catch (InterruptedException e) {<a name="line.462"></a> |
| <span class="sourceLineNo">463</span> }<a name="line.463"></a> |
| <span class="sourceLineNo">464</span> }<a name="line.464"></a> |
| <span class="sourceLineNo">465</span> }<a name="line.465"></a> |
| <span class="sourceLineNo">466</span> return scanRes;<a name="line.466"></a> |
| <span class="sourceLineNo">467</span> }<a name="line.467"></a> |
| <span class="sourceLineNo">468</span> }<a name="line.468"></a> |
| <span class="sourceLineNo">469</span> }<a name="line.469"></a> |
| <span class="sourceLineNo">470</span>}<a name="line.470"></a> |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| </pre> |
| </div> |
| </body> |
| </html> |
