| <!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> *<a name="line.2"></a> |
| <span class="sourceLineNo">003</span> * Licensed to the Apache Software Foundation (ASF) under one<a name="line.3"></a> |
| <span class="sourceLineNo">004</span> * or more contributor license agreements. See the NOTICE file<a name="line.4"></a> |
| <span class="sourceLineNo">005</span> * distributed with this work for additional information<a name="line.5"></a> |
| <span class="sourceLineNo">006</span> * regarding copyright ownership. The ASF licenses this file<a name="line.6"></a> |
| <span class="sourceLineNo">007</span> * to you under the Apache License, Version 2.0 (the<a name="line.7"></a> |
| <span class="sourceLineNo">008</span> * "License"); you may not use this file except in compliance<a name="line.8"></a> |
| <span class="sourceLineNo">009</span> * with the License. You may obtain a copy of the License at<a name="line.9"></a> |
| <span class="sourceLineNo">010</span> *<a name="line.10"></a> |
| <span class="sourceLineNo">011</span> * http://www.apache.org/licenses/LICENSE-2.0<a name="line.11"></a> |
| <span class="sourceLineNo">012</span> *<a name="line.12"></a> |
| <span class="sourceLineNo">013</span> * Unless required by applicable law or agreed to in writing, software<a name="line.13"></a> |
| <span class="sourceLineNo">014</span> * distributed under the License is distributed on an "AS IS" BASIS,<a name="line.14"></a> |
| <span class="sourceLineNo">015</span> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.<a name="line.15"></a> |
| <span class="sourceLineNo">016</span> * See the License for the specific language governing permissions and<a name="line.16"></a> |
| <span class="sourceLineNo">017</span> * limitations under the License.<a name="line.17"></a> |
| <span class="sourceLineNo">018</span> */<a name="line.18"></a> |
| <span class="sourceLineNo">019</span>package org.apache.hadoop.hbase;<a name="line.19"></a> |
| <span class="sourceLineNo">020</span><a name="line.20"></a> |
| <span class="sourceLineNo">021</span>import java.io.IOException;<a name="line.21"></a> |
| <span class="sourceLineNo">022</span>import java.security.PrivilegedExceptionAction;<a name="line.22"></a> |
| <span class="sourceLineNo">023</span>import java.util.ArrayList;<a name="line.23"></a> |
| <span class="sourceLineNo">024</span>import java.util.Collections;<a name="line.24"></a> |
| <span class="sourceLineNo">025</span>import java.util.List;<a name="line.25"></a> |
| <span class="sourceLineNo">026</span>import java.util.concurrent.CopyOnWriteArrayList;<a name="line.26"></a> |
| <span class="sourceLineNo">027</span>import org.apache.hadoop.conf.Configuration;<a name="line.27"></a> |
| <span class="sourceLineNo">028</span>import org.apache.hadoop.hbase.client.Admin;<a name="line.28"></a> |
| <span class="sourceLineNo">029</span>import org.apache.hadoop.hbase.client.Connection;<a name="line.29"></a> |
| <span class="sourceLineNo">030</span>import org.apache.hadoop.hbase.client.ConnectionFactory;<a name="line.30"></a> |
| <span class="sourceLineNo">031</span>import org.apache.hadoop.hbase.client.TableDescriptor;<a name="line.31"></a> |
| <span class="sourceLineNo">032</span>import org.apache.hadoop.hbase.client.TableDescriptorBuilder;<a name="line.32"></a> |
| <span class="sourceLineNo">033</span>import org.apache.hadoop.hbase.master.HMaster;<a name="line.33"></a> |
| <span class="sourceLineNo">034</span>import org.apache.hadoop.hbase.regionserver.HRegionServer;<a name="line.34"></a> |
| <span class="sourceLineNo">035</span>import org.apache.hadoop.hbase.security.User;<a name="line.35"></a> |
| <span class="sourceLineNo">036</span>import org.apache.hadoop.hbase.util.JVMClusterUtil;<a name="line.36"></a> |
| <span class="sourceLineNo">037</span>import org.apache.hadoop.hbase.util.JVMClusterUtil.RegionServerThread;<a name="line.37"></a> |
| <span class="sourceLineNo">038</span>import org.apache.hadoop.hbase.util.Threads;<a name="line.38"></a> |
| <span class="sourceLineNo">039</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.39"></a> |
| <span class="sourceLineNo">040</span>import org.slf4j.Logger;<a name="line.40"></a> |
| <span class="sourceLineNo">041</span>import org.slf4j.LoggerFactory;<a name="line.41"></a> |
| <span class="sourceLineNo">042</span><a name="line.42"></a> |
| <span class="sourceLineNo">043</span>/**<a name="line.43"></a> |
| <span class="sourceLineNo">044</span> * This class creates a single process HBase cluster. One thread is created for<a name="line.44"></a> |
| <span class="sourceLineNo">045</span> * a master and one per region server.<a name="line.45"></a> |
| <span class="sourceLineNo">046</span> *<a name="line.46"></a> |
| <span class="sourceLineNo">047</span> * Call {@link #startup()} to start the cluster running and {@link #shutdown()}<a name="line.47"></a> |
| <span class="sourceLineNo">048</span> * to close it all down. {@link #join} the cluster is you want to wait on<a name="line.48"></a> |
| <span class="sourceLineNo">049</span> * shutdown completion.<a name="line.49"></a> |
| <span class="sourceLineNo">050</span> *<a name="line.50"></a> |
| <span class="sourceLineNo">051</span> * <p>Runs master on port 16000 by default. Because we can't just kill the<a name="line.51"></a> |
| <span class="sourceLineNo">052</span> * process -- not till HADOOP-1700 gets fixed and even then.... -- we need to<a name="line.52"></a> |
| <span class="sourceLineNo">053</span> * be able to find the master with a remote client to run shutdown. To use a<a name="line.53"></a> |
| <span class="sourceLineNo">054</span> * port other than 16000, set the hbase.master to a value of 'local:PORT':<a name="line.54"></a> |
| <span class="sourceLineNo">055</span> * that is 'local', not 'localhost', and the port number the master should use<a name="line.55"></a> |
| <span class="sourceLineNo">056</span> * instead of 16000.<a name="line.56"></a> |
| <span class="sourceLineNo">057</span> *<a name="line.57"></a> |
| <span class="sourceLineNo">058</span> */<a name="line.58"></a> |
| <span class="sourceLineNo">059</span>@InterfaceAudience.Public<a name="line.59"></a> |
| <span class="sourceLineNo">060</span>public class LocalHBaseCluster {<a name="line.60"></a> |
| <span class="sourceLineNo">061</span> private static final Logger LOG = LoggerFactory.getLogger(LocalHBaseCluster.class);<a name="line.61"></a> |
| <span class="sourceLineNo">062</span> private final List<JVMClusterUtil.MasterThread> masterThreads = new CopyOnWriteArrayList<>();<a name="line.62"></a> |
| <span class="sourceLineNo">063</span> private final List<JVMClusterUtil.RegionServerThread> regionThreads = new CopyOnWriteArrayList<>();<a name="line.63"></a> |
| <span class="sourceLineNo">064</span> private final static int DEFAULT_NO = 1;<a name="line.64"></a> |
| <span class="sourceLineNo">065</span> /** local mode */<a name="line.65"></a> |
| <span class="sourceLineNo">066</span> public static final String LOCAL = "local";<a name="line.66"></a> |
| <span class="sourceLineNo">067</span> /** 'local:' */<a name="line.67"></a> |
| <span class="sourceLineNo">068</span> public static final String LOCAL_COLON = LOCAL + ":";<a name="line.68"></a> |
| <span class="sourceLineNo">069</span> public static final String ASSIGN_RANDOM_PORTS = "hbase.localcluster.assign.random.ports";<a name="line.69"></a> |
| <span class="sourceLineNo">070</span><a name="line.70"></a> |
| <span class="sourceLineNo">071</span> private final Configuration conf;<a name="line.71"></a> |
| <span class="sourceLineNo">072</span> private final Class<? extends HMaster> masterClass;<a name="line.72"></a> |
| <span class="sourceLineNo">073</span> private final Class<? extends HRegionServer> regionServerClass;<a name="line.73"></a> |
| <span class="sourceLineNo">074</span><a name="line.74"></a> |
| <span class="sourceLineNo">075</span> /**<a name="line.75"></a> |
| <span class="sourceLineNo">076</span> * Constructor.<a name="line.76"></a> |
| <span class="sourceLineNo">077</span> * @param conf<a name="line.77"></a> |
| <span class="sourceLineNo">078</span> * @throws IOException<a name="line.78"></a> |
| <span class="sourceLineNo">079</span> */<a name="line.79"></a> |
| <span class="sourceLineNo">080</span> public LocalHBaseCluster(final Configuration conf)<a name="line.80"></a> |
| <span class="sourceLineNo">081</span> throws IOException {<a name="line.81"></a> |
| <span class="sourceLineNo">082</span> this(conf, DEFAULT_NO);<a name="line.82"></a> |
| <span class="sourceLineNo">083</span> }<a name="line.83"></a> |
| <span class="sourceLineNo">084</span><a name="line.84"></a> |
| <span class="sourceLineNo">085</span> /**<a name="line.85"></a> |
| <span class="sourceLineNo">086</span> * Constructor.<a name="line.86"></a> |
| <span class="sourceLineNo">087</span> * @param conf Configuration to use. Post construction has the master's<a name="line.87"></a> |
| <span class="sourceLineNo">088</span> * address.<a name="line.88"></a> |
| <span class="sourceLineNo">089</span> * @param noRegionServers Count of regionservers to start.<a name="line.89"></a> |
| <span class="sourceLineNo">090</span> * @throws IOException<a name="line.90"></a> |
| <span class="sourceLineNo">091</span> */<a name="line.91"></a> |
| <span class="sourceLineNo">092</span> public LocalHBaseCluster(final Configuration conf, final int noRegionServers)<a name="line.92"></a> |
| <span class="sourceLineNo">093</span> throws IOException {<a name="line.93"></a> |
| <span class="sourceLineNo">094</span> this(conf, 1, 0, noRegionServers, getMasterImplementation(conf),<a name="line.94"></a> |
| <span class="sourceLineNo">095</span> getRegionServerImplementation(conf));<a name="line.95"></a> |
| <span class="sourceLineNo">096</span> }<a name="line.96"></a> |
| <span class="sourceLineNo">097</span><a name="line.97"></a> |
| <span class="sourceLineNo">098</span> /**<a name="line.98"></a> |
| <span class="sourceLineNo">099</span> * Constructor.<a name="line.99"></a> |
| <span class="sourceLineNo">100</span> * @param conf Configuration to use. Post construction has the active master<a name="line.100"></a> |
| <span class="sourceLineNo">101</span> * address.<a name="line.101"></a> |
| <span class="sourceLineNo">102</span> * @param noMasters Count of masters to start.<a name="line.102"></a> |
| <span class="sourceLineNo">103</span> * @param noRegionServers Count of regionservers to start.<a name="line.103"></a> |
| <span class="sourceLineNo">104</span> * @throws IOException<a name="line.104"></a> |
| <span class="sourceLineNo">105</span> */<a name="line.105"></a> |
| <span class="sourceLineNo">106</span> public LocalHBaseCluster(final Configuration conf, final int noMasters,<a name="line.106"></a> |
| <span class="sourceLineNo">107</span> final int noRegionServers)<a name="line.107"></a> |
| <span class="sourceLineNo">108</span> throws IOException {<a name="line.108"></a> |
| <span class="sourceLineNo">109</span> this(conf, noMasters, 0, noRegionServers, getMasterImplementation(conf),<a name="line.109"></a> |
| <span class="sourceLineNo">110</span> getRegionServerImplementation(conf));<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> @SuppressWarnings("unchecked")<a name="line.113"></a> |
| <span class="sourceLineNo">114</span> private static Class<? extends HRegionServer> getRegionServerImplementation(final Configuration conf) {<a name="line.114"></a> |
| <span class="sourceLineNo">115</span> return (Class<? extends HRegionServer>)conf.getClass(HConstants.REGION_SERVER_IMPL,<a name="line.115"></a> |
| <span class="sourceLineNo">116</span> HRegionServer.class);<a name="line.116"></a> |
| <span class="sourceLineNo">117</span> }<a name="line.117"></a> |
| <span class="sourceLineNo">118</span><a name="line.118"></a> |
| <span class="sourceLineNo">119</span> @SuppressWarnings("unchecked")<a name="line.119"></a> |
| <span class="sourceLineNo">120</span> private static Class<? extends HMaster> getMasterImplementation(final Configuration conf) {<a name="line.120"></a> |
| <span class="sourceLineNo">121</span> return (Class<? extends HMaster>)conf.getClass(HConstants.MASTER_IMPL,<a name="line.121"></a> |
| <span class="sourceLineNo">122</span> HMaster.class);<a name="line.122"></a> |
| <span class="sourceLineNo">123</span> }<a name="line.123"></a> |
| <span class="sourceLineNo">124</span><a name="line.124"></a> |
| <span class="sourceLineNo">125</span> public LocalHBaseCluster(final Configuration conf, final int noMasters, final int noRegionServers,<a name="line.125"></a> |
| <span class="sourceLineNo">126</span> final Class<? extends HMaster> masterClass,<a name="line.126"></a> |
| <span class="sourceLineNo">127</span> final Class<? extends HRegionServer> regionServerClass) throws IOException {<a name="line.127"></a> |
| <span class="sourceLineNo">128</span> this(conf, noMasters, 0, noRegionServers, masterClass, regionServerClass);<a name="line.128"></a> |
| <span class="sourceLineNo">129</span> }<a name="line.129"></a> |
| <span class="sourceLineNo">130</span><a name="line.130"></a> |
| <span class="sourceLineNo">131</span> /**<a name="line.131"></a> |
| <span class="sourceLineNo">132</span> * Constructor.<a name="line.132"></a> |
| <span class="sourceLineNo">133</span> * @param conf Configuration to use. Post construction has the master's<a name="line.133"></a> |
| <span class="sourceLineNo">134</span> * address.<a name="line.134"></a> |
| <span class="sourceLineNo">135</span> * @param noMasters Count of masters to start.<a name="line.135"></a> |
| <span class="sourceLineNo">136</span> * @param noRegionServers Count of regionservers to start.<a name="line.136"></a> |
| <span class="sourceLineNo">137</span> * @param masterClass<a name="line.137"></a> |
| <span class="sourceLineNo">138</span> * @param regionServerClass<a name="line.138"></a> |
| <span class="sourceLineNo">139</span> * @throws IOException<a name="line.139"></a> |
| <span class="sourceLineNo">140</span> */<a name="line.140"></a> |
| <span class="sourceLineNo">141</span> @SuppressWarnings("unchecked")<a name="line.141"></a> |
| <span class="sourceLineNo">142</span> public LocalHBaseCluster(final Configuration conf, final int noMasters,<a name="line.142"></a> |
| <span class="sourceLineNo">143</span> final int noAlwaysStandByMasters, final int noRegionServers,<a name="line.143"></a> |
| <span class="sourceLineNo">144</span> final Class<? extends HMaster> masterClass,<a name="line.144"></a> |
| <span class="sourceLineNo">145</span> final Class<? extends HRegionServer> regionServerClass) throws IOException {<a name="line.145"></a> |
| <span class="sourceLineNo">146</span> this.conf = conf;<a name="line.146"></a> |
| <span class="sourceLineNo">147</span><a name="line.147"></a> |
| <span class="sourceLineNo">148</span> // When active, if a port selection is default then we switch to random<a name="line.148"></a> |
| <span class="sourceLineNo">149</span> if (conf.getBoolean(ASSIGN_RANDOM_PORTS, false)) {<a name="line.149"></a> |
| <span class="sourceLineNo">150</span> if (conf.getInt(HConstants.MASTER_PORT, HConstants.DEFAULT_MASTER_PORT)<a name="line.150"></a> |
| <span class="sourceLineNo">151</span> == HConstants.DEFAULT_MASTER_PORT) {<a name="line.151"></a> |
| <span class="sourceLineNo">152</span> LOG.debug("Setting Master Port to random.");<a name="line.152"></a> |
| <span class="sourceLineNo">153</span> conf.set(HConstants.MASTER_PORT, "0");<a name="line.153"></a> |
| <span class="sourceLineNo">154</span> }<a name="line.154"></a> |
| <span class="sourceLineNo">155</span> if (conf.getInt(HConstants.REGIONSERVER_PORT, HConstants.DEFAULT_REGIONSERVER_PORT)<a name="line.155"></a> |
| <span class="sourceLineNo">156</span> == HConstants.DEFAULT_REGIONSERVER_PORT) {<a name="line.156"></a> |
| <span class="sourceLineNo">157</span> LOG.debug("Setting RegionServer Port to random.");<a name="line.157"></a> |
| <span class="sourceLineNo">158</span> conf.set(HConstants.REGIONSERVER_PORT, "0");<a name="line.158"></a> |
| <span class="sourceLineNo">159</span> }<a name="line.159"></a> |
| <span class="sourceLineNo">160</span> // treat info ports special; expressly don't change '-1' (keep off)<a name="line.160"></a> |
| <span class="sourceLineNo">161</span> // in case we make that the default behavior.<a name="line.161"></a> |
| <span class="sourceLineNo">162</span> if (conf.getInt(HConstants.REGIONSERVER_INFO_PORT, 0) != -1 &&<a name="line.162"></a> |
| <span class="sourceLineNo">163</span> conf.getInt(HConstants.REGIONSERVER_INFO_PORT, HConstants.DEFAULT_REGIONSERVER_INFOPORT)<a name="line.163"></a> |
| <span class="sourceLineNo">164</span> == HConstants.DEFAULT_REGIONSERVER_INFOPORT) {<a name="line.164"></a> |
| <span class="sourceLineNo">165</span> LOG.debug("Setting RS InfoServer Port to random.");<a name="line.165"></a> |
| <span class="sourceLineNo">166</span> conf.set(HConstants.REGIONSERVER_INFO_PORT, "0");<a name="line.166"></a> |
| <span class="sourceLineNo">167</span> }<a name="line.167"></a> |
| <span class="sourceLineNo">168</span> if (conf.getInt(HConstants.MASTER_INFO_PORT, 0) != -1 &&<a name="line.168"></a> |
| <span class="sourceLineNo">169</span> conf.getInt(HConstants.MASTER_INFO_PORT, HConstants.DEFAULT_MASTER_INFOPORT)<a name="line.169"></a> |
| <span class="sourceLineNo">170</span> == HConstants.DEFAULT_MASTER_INFOPORT) {<a name="line.170"></a> |
| <span class="sourceLineNo">171</span> LOG.debug("Setting Master InfoServer Port to random.");<a name="line.171"></a> |
| <span class="sourceLineNo">172</span> conf.set(HConstants.MASTER_INFO_PORT, "0");<a name="line.172"></a> |
| <span class="sourceLineNo">173</span> }<a name="line.173"></a> |
| <span class="sourceLineNo">174</span> }<a name="line.174"></a> |
| <span class="sourceLineNo">175</span><a name="line.175"></a> |
| <span class="sourceLineNo">176</span> this.masterClass = (Class<? extends HMaster>)<a name="line.176"></a> |
| <span class="sourceLineNo">177</span> conf.getClass(HConstants.MASTER_IMPL, masterClass);<a name="line.177"></a> |
| <span class="sourceLineNo">178</span> // Start the HMasters.<a name="line.178"></a> |
| <span class="sourceLineNo">179</span> int i;<a name="line.179"></a> |
| <span class="sourceLineNo">180</span> for (i = 0; i < noMasters; i++) {<a name="line.180"></a> |
| <span class="sourceLineNo">181</span> addMaster(new Configuration(conf), i);<a name="line.181"></a> |
| <span class="sourceLineNo">182</span> }<a name="line.182"></a> |
| <span class="sourceLineNo">183</span> for (int j = 0; j < noAlwaysStandByMasters; j++) {<a name="line.183"></a> |
| <span class="sourceLineNo">184</span> Configuration c = new Configuration(conf);<a name="line.184"></a> |
| <span class="sourceLineNo">185</span> c.set(HConstants.MASTER_IMPL, "org.apache.hadoop.hbase.master.AlwaysStandByHMaster");<a name="line.185"></a> |
| <span class="sourceLineNo">186</span> addMaster(c, i + j);<a name="line.186"></a> |
| <span class="sourceLineNo">187</span> }<a name="line.187"></a> |
| <span class="sourceLineNo">188</span> // Start the HRegionServers.<a name="line.188"></a> |
| <span class="sourceLineNo">189</span> this.regionServerClass =<a name="line.189"></a> |
| <span class="sourceLineNo">190</span> (Class<? extends HRegionServer>)conf.getClass(HConstants.REGION_SERVER_IMPL,<a name="line.190"></a> |
| <span class="sourceLineNo">191</span> regionServerClass);<a name="line.191"></a> |
| <span class="sourceLineNo">192</span><a name="line.192"></a> |
| <span class="sourceLineNo">193</span> for (int j = 0; j < noRegionServers; j++) {<a name="line.193"></a> |
| <span class="sourceLineNo">194</span> addRegionServer(new Configuration(conf), j);<a name="line.194"></a> |
| <span class="sourceLineNo">195</span> }<a name="line.195"></a> |
| <span class="sourceLineNo">196</span> }<a name="line.196"></a> |
| <span class="sourceLineNo">197</span><a name="line.197"></a> |
| <span class="sourceLineNo">198</span> public JVMClusterUtil.RegionServerThread addRegionServer()<a name="line.198"></a> |
| <span class="sourceLineNo">199</span> throws IOException {<a name="line.199"></a> |
| <span class="sourceLineNo">200</span> return addRegionServer(new Configuration(conf), this.regionThreads.size());<a name="line.200"></a> |
| <span class="sourceLineNo">201</span> }<a name="line.201"></a> |
| <span class="sourceLineNo">202</span><a name="line.202"></a> |
| <span class="sourceLineNo">203</span> @SuppressWarnings("unchecked")<a name="line.203"></a> |
| <span class="sourceLineNo">204</span> public JVMClusterUtil.RegionServerThread addRegionServer(<a name="line.204"></a> |
| <span class="sourceLineNo">205</span> Configuration config, final int index)<a name="line.205"></a> |
| <span class="sourceLineNo">206</span> throws IOException {<a name="line.206"></a> |
| <span class="sourceLineNo">207</span> // Create each regionserver with its own Configuration instance so each has<a name="line.207"></a> |
| <span class="sourceLineNo">208</span> // its Connection instance rather than share (see HBASE_INSTANCES down in<a name="line.208"></a> |
| <span class="sourceLineNo">209</span> // the guts of ConnectionManager).<a name="line.209"></a> |
| <span class="sourceLineNo">210</span> JVMClusterUtil.RegionServerThread rst =<a name="line.210"></a> |
| <span class="sourceLineNo">211</span> JVMClusterUtil.createRegionServerThread(config, (Class<? extends HRegionServer>) conf<a name="line.211"></a> |
| <span class="sourceLineNo">212</span> .getClass(HConstants.REGION_SERVER_IMPL, this.regionServerClass), index);<a name="line.212"></a> |
| <span class="sourceLineNo">213</span><a name="line.213"></a> |
| <span class="sourceLineNo">214</span> this.regionThreads.add(rst);<a name="line.214"></a> |
| <span class="sourceLineNo">215</span> return rst;<a name="line.215"></a> |
| <span class="sourceLineNo">216</span> }<a name="line.216"></a> |
| <span class="sourceLineNo">217</span><a name="line.217"></a> |
| <span class="sourceLineNo">218</span> public JVMClusterUtil.RegionServerThread addRegionServer(<a name="line.218"></a> |
| <span class="sourceLineNo">219</span> final Configuration config, final int index, User user)<a name="line.219"></a> |
| <span class="sourceLineNo">220</span> throws IOException, InterruptedException {<a name="line.220"></a> |
| <span class="sourceLineNo">221</span> return user.runAs(<a name="line.221"></a> |
| <span class="sourceLineNo">222</span> new PrivilegedExceptionAction<JVMClusterUtil.RegionServerThread>() {<a name="line.222"></a> |
| <span class="sourceLineNo">223</span> @Override<a name="line.223"></a> |
| <span class="sourceLineNo">224</span> public JVMClusterUtil.RegionServerThread run() throws Exception {<a name="line.224"></a> |
| <span class="sourceLineNo">225</span> return addRegionServer(config, index);<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><a name="line.229"></a> |
| <span class="sourceLineNo">230</span> public JVMClusterUtil.MasterThread addMaster() throws IOException {<a name="line.230"></a> |
| <span class="sourceLineNo">231</span> return addMaster(new Configuration(conf), this.masterThreads.size());<a name="line.231"></a> |
| <span class="sourceLineNo">232</span> }<a name="line.232"></a> |
| <span class="sourceLineNo">233</span><a name="line.233"></a> |
| <span class="sourceLineNo">234</span> public JVMClusterUtil.MasterThread addMaster(Configuration c, final int index)<a name="line.234"></a> |
| <span class="sourceLineNo">235</span> throws IOException {<a name="line.235"></a> |
| <span class="sourceLineNo">236</span> // Create each master with its own Configuration instance so each has<a name="line.236"></a> |
| <span class="sourceLineNo">237</span> // its Connection instance rather than share (see HBASE_INSTANCES down in<a name="line.237"></a> |
| <span class="sourceLineNo">238</span> // the guts of ConnectionManager.<a name="line.238"></a> |
| <span class="sourceLineNo">239</span> JVMClusterUtil.MasterThread mt = JVMClusterUtil.createMasterThread(c,<a name="line.239"></a> |
| <span class="sourceLineNo">240</span> (Class<? extends HMaster>) c.getClass(HConstants.MASTER_IMPL, this.masterClass), index);<a name="line.240"></a> |
| <span class="sourceLineNo">241</span> this.masterThreads.add(mt);<a name="line.241"></a> |
| <span class="sourceLineNo">242</span> // Refresh the master address config.<a name="line.242"></a> |
| <span class="sourceLineNo">243</span> List<String> masterHostPorts = new ArrayList<>();<a name="line.243"></a> |
| <span class="sourceLineNo">244</span> getMasters().forEach(masterThread -><a name="line.244"></a> |
| <span class="sourceLineNo">245</span> masterHostPorts.add(masterThread.getMaster().getServerName().getAddress().toString()));<a name="line.245"></a> |
| <span class="sourceLineNo">246</span> conf.set(HConstants.MASTER_ADDRS_KEY, String.join(",", masterHostPorts));<a name="line.246"></a> |
| <span class="sourceLineNo">247</span> return mt;<a name="line.247"></a> |
| <span class="sourceLineNo">248</span> }<a name="line.248"></a> |
| <span class="sourceLineNo">249</span><a name="line.249"></a> |
| <span class="sourceLineNo">250</span> public JVMClusterUtil.MasterThread addMaster(<a name="line.250"></a> |
| <span class="sourceLineNo">251</span> final Configuration c, final int index, User user)<a name="line.251"></a> |
| <span class="sourceLineNo">252</span> throws IOException, InterruptedException {<a name="line.252"></a> |
| <span class="sourceLineNo">253</span> return user.runAs(<a name="line.253"></a> |
| <span class="sourceLineNo">254</span> new PrivilegedExceptionAction<JVMClusterUtil.MasterThread>() {<a name="line.254"></a> |
| <span class="sourceLineNo">255</span> @Override<a name="line.255"></a> |
| <span class="sourceLineNo">256</span> public JVMClusterUtil.MasterThread run() throws Exception {<a name="line.256"></a> |
| <span class="sourceLineNo">257</span> return addMaster(c, index);<a name="line.257"></a> |
| <span class="sourceLineNo">258</span> }<a name="line.258"></a> |
| <span class="sourceLineNo">259</span> });<a name="line.259"></a> |
| <span class="sourceLineNo">260</span> }<a name="line.260"></a> |
| <span class="sourceLineNo">261</span><a name="line.261"></a> |
| <span class="sourceLineNo">262</span> /**<a name="line.262"></a> |
| <span class="sourceLineNo">263</span> * @param serverNumber<a name="line.263"></a> |
| <span class="sourceLineNo">264</span> * @return region server<a name="line.264"></a> |
| <span class="sourceLineNo">265</span> */<a name="line.265"></a> |
| <span class="sourceLineNo">266</span> public HRegionServer getRegionServer(int serverNumber) {<a name="line.266"></a> |
| <span class="sourceLineNo">267</span> return regionThreads.get(serverNumber).getRegionServer();<a name="line.267"></a> |
| <span class="sourceLineNo">268</span> }<a name="line.268"></a> |
| <span class="sourceLineNo">269</span><a name="line.269"></a> |
| <span class="sourceLineNo">270</span> /**<a name="line.270"></a> |
| <span class="sourceLineNo">271</span> * @return Read-only list of region server threads.<a name="line.271"></a> |
| <span class="sourceLineNo">272</span> */<a name="line.272"></a> |
| <span class="sourceLineNo">273</span> public List<JVMClusterUtil.RegionServerThread> getRegionServers() {<a name="line.273"></a> |
| <span class="sourceLineNo">274</span> return Collections.unmodifiableList(this.regionThreads);<a name="line.274"></a> |
| <span class="sourceLineNo">275</span> }<a name="line.275"></a> |
| <span class="sourceLineNo">276</span><a name="line.276"></a> |
| <span class="sourceLineNo">277</span> /**<a name="line.277"></a> |
| <span class="sourceLineNo">278</span> * @return List of running servers (Some servers may have been killed or<a name="line.278"></a> |
| <span class="sourceLineNo">279</span> * aborted during lifetime of cluster; these servers are not included in this<a name="line.279"></a> |
| <span class="sourceLineNo">280</span> * list).<a name="line.280"></a> |
| <span class="sourceLineNo">281</span> */<a name="line.281"></a> |
| <span class="sourceLineNo">282</span> public List<JVMClusterUtil.RegionServerThread> getLiveRegionServers() {<a name="line.282"></a> |
| <span class="sourceLineNo">283</span> List<JVMClusterUtil.RegionServerThread> liveServers = new ArrayList<>();<a name="line.283"></a> |
| <span class="sourceLineNo">284</span> List<RegionServerThread> list = getRegionServers();<a name="line.284"></a> |
| <span class="sourceLineNo">285</span> for (JVMClusterUtil.RegionServerThread rst: list) {<a name="line.285"></a> |
| <span class="sourceLineNo">286</span> if (rst.isAlive()) liveServers.add(rst);<a name="line.286"></a> |
| <span class="sourceLineNo">287</span> else LOG.info("Not alive " + rst.getName());<a name="line.287"></a> |
| <span class="sourceLineNo">288</span> }<a name="line.288"></a> |
| <span class="sourceLineNo">289</span> return liveServers;<a name="line.289"></a> |
| <span class="sourceLineNo">290</span> }<a name="line.290"></a> |
| <span class="sourceLineNo">291</span><a name="line.291"></a> |
| <span class="sourceLineNo">292</span> /**<a name="line.292"></a> |
| <span class="sourceLineNo">293</span> * @return the Configuration used by this LocalHBaseCluster<a name="line.293"></a> |
| <span class="sourceLineNo">294</span> */<a name="line.294"></a> |
| <span class="sourceLineNo">295</span> public Configuration getConfiguration() {<a name="line.295"></a> |
| <span class="sourceLineNo">296</span> return this.conf;<a name="line.296"></a> |
| <span class="sourceLineNo">297</span> }<a name="line.297"></a> |
| <span class="sourceLineNo">298</span><a name="line.298"></a> |
| <span class="sourceLineNo">299</span> /**<a name="line.299"></a> |
| <span class="sourceLineNo">300</span> * Wait for the specified region server to stop. Removes this thread from list of running threads.<a name="line.300"></a> |
| <span class="sourceLineNo">301</span> * @return Name of region server that just went down.<a name="line.301"></a> |
| <span class="sourceLineNo">302</span> */<a name="line.302"></a> |
| <span class="sourceLineNo">303</span> public String waitOnRegionServer(int serverNumber) {<a name="line.303"></a> |
| <span class="sourceLineNo">304</span> JVMClusterUtil.RegionServerThread regionServerThread = this.regionThreads.get(serverNumber);<a name="line.304"></a> |
| <span class="sourceLineNo">305</span> return waitOnRegionServer(regionServerThread);<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> /**<a name="line.308"></a> |
| <span class="sourceLineNo">309</span> * Wait for the specified region server to stop. Removes this thread from list of running threads.<a name="line.309"></a> |
| <span class="sourceLineNo">310</span> * @return Name of region server that just went down.<a name="line.310"></a> |
| <span class="sourceLineNo">311</span> */<a name="line.311"></a> |
| <span class="sourceLineNo">312</span> public String waitOnRegionServer(JVMClusterUtil.RegionServerThread rst) {<a name="line.312"></a> |
| <span class="sourceLineNo">313</span> while (rst.isAlive()) {<a name="line.313"></a> |
| <span class="sourceLineNo">314</span> try {<a name="line.314"></a> |
| <span class="sourceLineNo">315</span> LOG.info("Waiting on " + rst.getRegionServer().toString());<a name="line.315"></a> |
| <span class="sourceLineNo">316</span> rst.join();<a name="line.316"></a> |
| <span class="sourceLineNo">317</span> } catch (InterruptedException e) {<a name="line.317"></a> |
| <span class="sourceLineNo">318</span> LOG.error("Interrupted while waiting for {} to finish. Retrying join", rst.getName(), e);<a name="line.318"></a> |
| <span class="sourceLineNo">319</span> Thread.currentThread().interrupt();<a name="line.319"></a> |
| <span class="sourceLineNo">320</span> }<a name="line.320"></a> |
| <span class="sourceLineNo">321</span> }<a name="line.321"></a> |
| <span class="sourceLineNo">322</span> regionThreads.remove(rst);<a name="line.322"></a> |
| <span class="sourceLineNo">323</span> return rst.getName();<a name="line.323"></a> |
| <span class="sourceLineNo">324</span> }<a name="line.324"></a> |
| <span class="sourceLineNo">325</span><a name="line.325"></a> |
| <span class="sourceLineNo">326</span> /**<a name="line.326"></a> |
| <span class="sourceLineNo">327</span> * @return the HMaster thread<a name="line.327"></a> |
| <span class="sourceLineNo">328</span> */<a name="line.328"></a> |
| <span class="sourceLineNo">329</span> public HMaster getMaster(int serverNumber) {<a name="line.329"></a> |
| <span class="sourceLineNo">330</span> return masterThreads.get(serverNumber).getMaster();<a name="line.330"></a> |
| <span class="sourceLineNo">331</span> }<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> * Gets the current active master, if available. If no active master, returns<a name="line.334"></a> |
| <span class="sourceLineNo">335</span> * null.<a name="line.335"></a> |
| <span class="sourceLineNo">336</span> * @return the HMaster for the active master<a name="line.336"></a> |
| <span class="sourceLineNo">337</span> */<a name="line.337"></a> |
| <span class="sourceLineNo">338</span> public HMaster getActiveMaster() {<a name="line.338"></a> |
| <span class="sourceLineNo">339</span> for (JVMClusterUtil.MasterThread mt : masterThreads) {<a name="line.339"></a> |
| <span class="sourceLineNo">340</span> // Ensure that the current active master is not stopped.<a name="line.340"></a> |
| <span class="sourceLineNo">341</span> // We don't want to return a stopping master as an active master.<a name="line.341"></a> |
| <span class="sourceLineNo">342</span> if (mt.getMaster().isActiveMaster() && !mt.getMaster().isStopped()) {<a name="line.342"></a> |
| <span class="sourceLineNo">343</span> return mt.getMaster();<a name="line.343"></a> |
| <span class="sourceLineNo">344</span> }<a name="line.344"></a> |
| <span class="sourceLineNo">345</span> }<a name="line.345"></a> |
| <span class="sourceLineNo">346</span> return null;<a name="line.346"></a> |
| <span class="sourceLineNo">347</span> }<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> * @return Read-only list of master threads.<a name="line.350"></a> |
| <span class="sourceLineNo">351</span> */<a name="line.351"></a> |
| <span class="sourceLineNo">352</span> public List<JVMClusterUtil.MasterThread> getMasters() {<a name="line.352"></a> |
| <span class="sourceLineNo">353</span> return Collections.unmodifiableList(this.masterThreads);<a name="line.353"></a> |
| <span class="sourceLineNo">354</span> }<a name="line.354"></a> |
| <span class="sourceLineNo">355</span><a name="line.355"></a> |
| <span class="sourceLineNo">356</span> /**<a name="line.356"></a> |
| <span class="sourceLineNo">357</span> * @return List of running master servers (Some servers may have been killed<a name="line.357"></a> |
| <span class="sourceLineNo">358</span> * or aborted during lifetime of cluster; these servers are not included in<a name="line.358"></a> |
| <span class="sourceLineNo">359</span> * this list).<a name="line.359"></a> |
| <span class="sourceLineNo">360</span> */<a name="line.360"></a> |
| <span class="sourceLineNo">361</span> public List<JVMClusterUtil.MasterThread> getLiveMasters() {<a name="line.361"></a> |
| <span class="sourceLineNo">362</span> List<JVMClusterUtil.MasterThread> liveServers = new ArrayList<>();<a name="line.362"></a> |
| <span class="sourceLineNo">363</span> List<JVMClusterUtil.MasterThread> list = getMasters();<a name="line.363"></a> |
| <span class="sourceLineNo">364</span> for (JVMClusterUtil.MasterThread mt: list) {<a name="line.364"></a> |
| <span class="sourceLineNo">365</span> if (mt.isAlive()) {<a name="line.365"></a> |
| <span class="sourceLineNo">366</span> liveServers.add(mt);<a name="line.366"></a> |
| <span class="sourceLineNo">367</span> }<a name="line.367"></a> |
| <span class="sourceLineNo">368</span> }<a name="line.368"></a> |
| <span class="sourceLineNo">369</span> return liveServers;<a name="line.369"></a> |
| <span class="sourceLineNo">370</span> }<a name="line.370"></a> |
| <span class="sourceLineNo">371</span><a name="line.371"></a> |
| <span class="sourceLineNo">372</span> /**<a name="line.372"></a> |
| <span class="sourceLineNo">373</span> * Wait for the specified master to stop. Removes this thread from list of running threads.<a name="line.373"></a> |
| <span class="sourceLineNo">374</span> * @return Name of master that just went down.<a name="line.374"></a> |
| <span class="sourceLineNo">375</span> */<a name="line.375"></a> |
| <span class="sourceLineNo">376</span> public String waitOnMaster(int serverNumber) {<a name="line.376"></a> |
| <span class="sourceLineNo">377</span> JVMClusterUtil.MasterThread masterThread = this.masterThreads.get(serverNumber);<a name="line.377"></a> |
| <span class="sourceLineNo">378</span> return waitOnMaster(masterThread);<a name="line.378"></a> |
| <span class="sourceLineNo">379</span> }<a name="line.379"></a> |
| <span class="sourceLineNo">380</span><a name="line.380"></a> |
| <span class="sourceLineNo">381</span> /**<a name="line.381"></a> |
| <span class="sourceLineNo">382</span> * Wait for the specified master to stop. Removes this thread from list of running threads.<a name="line.382"></a> |
| <span class="sourceLineNo">383</span> * @return Name of master that just went down.<a name="line.383"></a> |
| <span class="sourceLineNo">384</span> */<a name="line.384"></a> |
| <span class="sourceLineNo">385</span> public String waitOnMaster(JVMClusterUtil.MasterThread masterThread) {<a name="line.385"></a> |
| <span class="sourceLineNo">386</span> while (masterThread.isAlive()) {<a name="line.386"></a> |
| <span class="sourceLineNo">387</span> try {<a name="line.387"></a> |
| <span class="sourceLineNo">388</span> LOG.info("Waiting on " + masterThread.getMaster().getServerName().toString());<a name="line.388"></a> |
| <span class="sourceLineNo">389</span> masterThread.join();<a name="line.389"></a> |
| <span class="sourceLineNo">390</span> } catch (InterruptedException e) {<a name="line.390"></a> |
| <span class="sourceLineNo">391</span> LOG.error("Interrupted while waiting for {} to finish. Retrying join",<a name="line.391"></a> |
| <span class="sourceLineNo">392</span> masterThread.getName(), e);<a name="line.392"></a> |
| <span class="sourceLineNo">393</span> Thread.currentThread().interrupt();<a name="line.393"></a> |
| <span class="sourceLineNo">394</span> }<a name="line.394"></a> |
| <span class="sourceLineNo">395</span> }<a name="line.395"></a> |
| <span class="sourceLineNo">396</span> masterThreads.remove(masterThread);<a name="line.396"></a> |
| <span class="sourceLineNo">397</span> return masterThread.getName();<a name="line.397"></a> |
| <span class="sourceLineNo">398</span> }<a name="line.398"></a> |
| <span class="sourceLineNo">399</span><a name="line.399"></a> |
| <span class="sourceLineNo">400</span> /**<a name="line.400"></a> |
| <span class="sourceLineNo">401</span> * Wait for Mini HBase Cluster to shut down.<a name="line.401"></a> |
| <span class="sourceLineNo">402</span> * Presumes you've already called {@link #shutdown()}.<a name="line.402"></a> |
| <span class="sourceLineNo">403</span> */<a name="line.403"></a> |
| <span class="sourceLineNo">404</span> public void join() {<a name="line.404"></a> |
| <span class="sourceLineNo">405</span> if (this.regionThreads != null) {<a name="line.405"></a> |
| <span class="sourceLineNo">406</span> for(Thread t: this.regionThreads) {<a name="line.406"></a> |
| <span class="sourceLineNo">407</span> if (t.isAlive()) {<a name="line.407"></a> |
| <span class="sourceLineNo">408</span> try {<a name="line.408"></a> |
| <span class="sourceLineNo">409</span> Threads.threadDumpingIsAlive(t);<a name="line.409"></a> |
| <span class="sourceLineNo">410</span> } catch (InterruptedException e) {<a name="line.410"></a> |
| <span class="sourceLineNo">411</span> LOG.debug("Interrupted", e);<a name="line.411"></a> |
| <span class="sourceLineNo">412</span> }<a name="line.412"></a> |
| <span class="sourceLineNo">413</span> }<a name="line.413"></a> |
| <span class="sourceLineNo">414</span> }<a name="line.414"></a> |
| <span class="sourceLineNo">415</span> }<a name="line.415"></a> |
| <span class="sourceLineNo">416</span> if (this.masterThreads != null) {<a name="line.416"></a> |
| <span class="sourceLineNo">417</span> for (Thread t : this.masterThreads) {<a name="line.417"></a> |
| <span class="sourceLineNo">418</span> if (t.isAlive()) {<a name="line.418"></a> |
| <span class="sourceLineNo">419</span> try {<a name="line.419"></a> |
| <span class="sourceLineNo">420</span> Threads.threadDumpingIsAlive(t);<a name="line.420"></a> |
| <span class="sourceLineNo">421</span> } catch (InterruptedException e) {<a name="line.421"></a> |
| <span class="sourceLineNo">422</span> LOG.debug("Interrupted", e);<a name="line.422"></a> |
| <span class="sourceLineNo">423</span> }<a name="line.423"></a> |
| <span class="sourceLineNo">424</span> }<a name="line.424"></a> |
| <span class="sourceLineNo">425</span> }<a name="line.425"></a> |
| <span class="sourceLineNo">426</span> }<a name="line.426"></a> |
| <span class="sourceLineNo">427</span> }<a name="line.427"></a> |
| <span class="sourceLineNo">428</span><a name="line.428"></a> |
| <span class="sourceLineNo">429</span> /**<a name="line.429"></a> |
| <span class="sourceLineNo">430</span> * Start the cluster.<a name="line.430"></a> |
| <span class="sourceLineNo">431</span> */<a name="line.431"></a> |
| <span class="sourceLineNo">432</span> public void startup() throws IOException {<a name="line.432"></a> |
| <span class="sourceLineNo">433</span> JVMClusterUtil.startup(this.masterThreads, this.regionThreads);<a name="line.433"></a> |
| <span class="sourceLineNo">434</span> }<a name="line.434"></a> |
| <span class="sourceLineNo">435</span><a name="line.435"></a> |
| <span class="sourceLineNo">436</span> /**<a name="line.436"></a> |
| <span class="sourceLineNo">437</span> * Shut down the mini HBase cluster<a name="line.437"></a> |
| <span class="sourceLineNo">438</span> */<a name="line.438"></a> |
| <span class="sourceLineNo">439</span> public void shutdown() {<a name="line.439"></a> |
| <span class="sourceLineNo">440</span> JVMClusterUtil.shutdown(this.masterThreads, this.regionThreads);<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> /**<a name="line.443"></a> |
| <span class="sourceLineNo">444</span> * @param c Configuration to check.<a name="line.444"></a> |
| <span class="sourceLineNo">445</span> * @return True if a 'local' address in hbase.master value.<a name="line.445"></a> |
| <span class="sourceLineNo">446</span> */<a name="line.446"></a> |
| <span class="sourceLineNo">447</span> public static boolean isLocal(final Configuration c) {<a name="line.447"></a> |
| <span class="sourceLineNo">448</span> boolean mode = c.getBoolean(HConstants.CLUSTER_DISTRIBUTED, HConstants.DEFAULT_CLUSTER_DISTRIBUTED);<a name="line.448"></a> |
| <span class="sourceLineNo">449</span> return(mode == HConstants.CLUSTER_IS_LOCAL);<a name="line.449"></a> |
| <span class="sourceLineNo">450</span> }<a name="line.450"></a> |
| <span class="sourceLineNo">451</span><a name="line.451"></a> |
| <span class="sourceLineNo">452</span> /**<a name="line.452"></a> |
| <span class="sourceLineNo">453</span> * Test things basically work.<a name="line.453"></a> |
| <span class="sourceLineNo">454</span> */<a name="line.454"></a> |
| <span class="sourceLineNo">455</span> public static void main(String[] args) throws IOException {<a name="line.455"></a> |
| <span class="sourceLineNo">456</span> Configuration conf = HBaseConfiguration.create();<a name="line.456"></a> |
| <span class="sourceLineNo">457</span> LocalHBaseCluster cluster = new LocalHBaseCluster(conf);<a name="line.457"></a> |
| <span class="sourceLineNo">458</span> cluster.startup();<a name="line.458"></a> |
| <span class="sourceLineNo">459</span> try (Connection connection = ConnectionFactory.createConnection(conf);<a name="line.459"></a> |
| <span class="sourceLineNo">460</span> Admin admin = connection.getAdmin()) {<a name="line.460"></a> |
| <span class="sourceLineNo">461</span> TableDescriptor htd =<a name="line.461"></a> |
| <span class="sourceLineNo">462</span> TableDescriptorBuilder.newBuilder(TableName.valueOf(cluster.getClass().getName())).build();<a name="line.462"></a> |
| <span class="sourceLineNo">463</span> admin.createTable(htd);<a name="line.463"></a> |
| <span class="sourceLineNo">464</span> } finally {<a name="line.464"></a> |
| <span class="sourceLineNo">465</span> cluster.shutdown();<a name="line.465"></a> |
| <span class="sourceLineNo">466</span> }<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> |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| </pre> |
| </div> |
| </body> |
| </html> |
