blob: 52468b6eebb3e607122046c0b0d4cbd197c2b15b [file] [log] [blame]
<!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 or more<a name="line.2"></a>
<span class="sourceLineNo">003</span> * contributor license agreements. See the NOTICE file distributed with this<a name="line.3"></a>
<span class="sourceLineNo">004</span> * work for additional information regarding copyright ownership. The ASF<a name="line.4"></a>
<span class="sourceLineNo">005</span> * licenses this file to you under the Apache License, Version 2.0 (the<a name="line.5"></a>
<span class="sourceLineNo">006</span> * "License"); you may not use this file except in compliance with the License.<a name="line.6"></a>
<span class="sourceLineNo">007</span> * You may obtain a copy of the License at<a name="line.7"></a>
<span class="sourceLineNo">008</span> *<a name="line.8"></a>
<span class="sourceLineNo">009</span> * http://www.apache.org/licenses/LICENSE-2.0<a name="line.9"></a>
<span class="sourceLineNo">010</span> *<a name="line.10"></a>
<span class="sourceLineNo">011</span> * Unless required by applicable law or agreed to in writing, software<a name="line.11"></a>
<span class="sourceLineNo">012</span> * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT<a name="line.12"></a>
<span class="sourceLineNo">013</span> * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the<a name="line.13"></a>
<span class="sourceLineNo">014</span> * License for the specific language governing permissions and limitations<a name="line.14"></a>
<span class="sourceLineNo">015</span> * under the License.<a name="line.15"></a>
<span class="sourceLineNo">016</span> */<a name="line.16"></a>
<span class="sourceLineNo">017</span>package org.apache.hadoop.hbase.util;<a name="line.17"></a>
<span class="sourceLineNo">018</span><a name="line.18"></a>
<span class="sourceLineNo">019</span>import java.io.BufferedReader;<a name="line.19"></a>
<span class="sourceLineNo">020</span>import java.io.BufferedWriter;<a name="line.20"></a>
<span class="sourceLineNo">021</span>import java.io.File;<a name="line.21"></a>
<span class="sourceLineNo">022</span>import java.io.FileInputStream;<a name="line.22"></a>
<span class="sourceLineNo">023</span>import java.io.FileNotFoundException;<a name="line.23"></a>
<span class="sourceLineNo">024</span>import java.io.FileWriter;<a name="line.24"></a>
<span class="sourceLineNo">025</span>import java.io.FilenameFilter;<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.io.InputStreamReader;<a name="line.27"></a>
<span class="sourceLineNo">028</span>import java.io.PrintStream;<a name="line.28"></a>
<span class="sourceLineNo">029</span>import java.util.ArrayList;<a name="line.29"></a>
<span class="sourceLineNo">030</span>import java.util.Collections;<a name="line.30"></a>
<span class="sourceLineNo">031</span>import java.util.HashMap;<a name="line.31"></a>
<span class="sourceLineNo">032</span>import java.util.HashSet;<a name="line.32"></a>
<span class="sourceLineNo">033</span>import java.util.List;<a name="line.33"></a>
<span class="sourceLineNo">034</span>import java.util.Map;<a name="line.34"></a>
<span class="sourceLineNo">035</span>import java.util.Scanner;<a name="line.35"></a>
<span class="sourceLineNo">036</span>import java.util.Set;<a name="line.36"></a>
<span class="sourceLineNo">037</span>import java.util.TreeMap;<a name="line.37"></a>
<span class="sourceLineNo">038</span>import java.util.regex.Matcher;<a name="line.38"></a>
<span class="sourceLineNo">039</span>import java.util.regex.Pattern;<a name="line.39"></a>
<span class="sourceLineNo">040</span><a name="line.40"></a>
<span class="sourceLineNo">041</span>import org.apache.commons.io.FileUtils;<a name="line.41"></a>
<span class="sourceLineNo">042</span>import org.apache.hadoop.conf.Configuration;<a name="line.42"></a>
<span class="sourceLineNo">043</span>import org.apache.hadoop.hbase.HBaseTestingUtility;<a name="line.43"></a>
<span class="sourceLineNo">044</span>import org.apache.hadoop.hbase.HConstants;<a name="line.44"></a>
<span class="sourceLineNo">045</span>import org.apache.hadoop.hbase.MiniHBaseCluster;<a name="line.45"></a>
<span class="sourceLineNo">046</span>import org.apache.hadoop.hbase.TableName;<a name="line.46"></a>
<span class="sourceLineNo">047</span>import org.apache.hadoop.hbase.testclassification.LargeTests;<a name="line.47"></a>
<span class="sourceLineNo">048</span>import org.apache.hadoop.hbase.testclassification.MiscTests;<a name="line.48"></a>
<span class="sourceLineNo">049</span>import org.apache.hadoop.hbase.zookeeper.ZKUtil;<a name="line.49"></a>
<span class="sourceLineNo">050</span>import org.apache.hadoop.hdfs.MiniDFSCluster;<a name="line.50"></a>
<span class="sourceLineNo">051</span>import org.junit.experimental.categories.Category;<a name="line.51"></a>
<span class="sourceLineNo">052</span>import org.slf4j.Logger;<a name="line.52"></a>
<span class="sourceLineNo">053</span>import org.slf4j.LoggerFactory;<a name="line.53"></a>
<span class="sourceLineNo">054</span><a name="line.54"></a>
<span class="sourceLineNo">055</span>/**<a name="line.55"></a>
<span class="sourceLineNo">056</span> * A helper class for process-based mini-cluster tests. Unlike<a name="line.56"></a>
<span class="sourceLineNo">057</span> * {@link MiniHBaseCluster}, starts daemons as separate processes, allowing to<a name="line.57"></a>
<span class="sourceLineNo">058</span> * do real kill testing.<a name="line.58"></a>
<span class="sourceLineNo">059</span> */<a name="line.59"></a>
<span class="sourceLineNo">060</span>@Category({MiscTests.class, LargeTests.class})<a name="line.60"></a>
<span class="sourceLineNo">061</span>public class ProcessBasedLocalHBaseCluster {<a name="line.61"></a>
<span class="sourceLineNo">062</span><a name="line.62"></a>
<span class="sourceLineNo">063</span> private final String hbaseHome, workDir;<a name="line.63"></a>
<span class="sourceLineNo">064</span> private final Configuration conf;<a name="line.64"></a>
<span class="sourceLineNo">065</span> private final int numMasters, numRegionServers, numDataNodes;<a name="line.65"></a>
<span class="sourceLineNo">066</span> private final List&lt;Integer&gt; rsPorts, masterPorts;<a name="line.66"></a>
<span class="sourceLineNo">067</span><a name="line.67"></a>
<span class="sourceLineNo">068</span> private final int zkClientPort;<a name="line.68"></a>
<span class="sourceLineNo">069</span><a name="line.69"></a>
<span class="sourceLineNo">070</span> private static final int MAX_FILE_SIZE_OVERRIDE = 10 * 1000 * 1000;<a name="line.70"></a>
<span class="sourceLineNo">071</span><a name="line.71"></a>
<span class="sourceLineNo">072</span> private static final Logger LOG = LoggerFactory.getLogger(<a name="line.72"></a>
<span class="sourceLineNo">073</span> ProcessBasedLocalHBaseCluster.class);<a name="line.73"></a>
<span class="sourceLineNo">074</span><a name="line.74"></a>
<span class="sourceLineNo">075</span> private List&lt;String&gt; daemonPidFiles =<a name="line.75"></a>
<span class="sourceLineNo">076</span> Collections.synchronizedList(new ArrayList&lt;String&gt;());<a name="line.76"></a>
<span class="sourceLineNo">077</span><a name="line.77"></a>
<span class="sourceLineNo">078</span> private boolean shutdownHookInstalled;<a name="line.78"></a>
<span class="sourceLineNo">079</span><a name="line.79"></a>
<span class="sourceLineNo">080</span> private String hbaseDaemonScript;<a name="line.80"></a>
<span class="sourceLineNo">081</span><a name="line.81"></a>
<span class="sourceLineNo">082</span> private MiniDFSCluster dfsCluster;<a name="line.82"></a>
<span class="sourceLineNo">083</span><a name="line.83"></a>
<span class="sourceLineNo">084</span> private HBaseTestingUtility testUtil;<a name="line.84"></a>
<span class="sourceLineNo">085</span><a name="line.85"></a>
<span class="sourceLineNo">086</span> private Thread logTailerThread;<a name="line.86"></a>
<span class="sourceLineNo">087</span><a name="line.87"></a>
<span class="sourceLineNo">088</span> private List&lt;String&gt; logTailDirs = Collections.synchronizedList(new ArrayList&lt;String&gt;());<a name="line.88"></a>
<span class="sourceLineNo">089</span><a name="line.89"></a>
<span class="sourceLineNo">090</span> private static enum ServerType {<a name="line.90"></a>
<span class="sourceLineNo">091</span> MASTER("master"),<a name="line.91"></a>
<span class="sourceLineNo">092</span> RS("regionserver"),<a name="line.92"></a>
<span class="sourceLineNo">093</span> ZK("zookeeper");<a name="line.93"></a>
<span class="sourceLineNo">094</span><a name="line.94"></a>
<span class="sourceLineNo">095</span> private final String fullName;<a name="line.95"></a>
<span class="sourceLineNo">096</span><a name="line.96"></a>
<span class="sourceLineNo">097</span> private ServerType(String fullName) {<a name="line.97"></a>
<span class="sourceLineNo">098</span> this.fullName = fullName;<a name="line.98"></a>
<span class="sourceLineNo">099</span> }<a name="line.99"></a>
<span class="sourceLineNo">100</span> }<a name="line.100"></a>
<span class="sourceLineNo">101</span><a name="line.101"></a>
<span class="sourceLineNo">102</span> /**<a name="line.102"></a>
<span class="sourceLineNo">103</span> * Constructor. Modifies the passed configuration.<a name="line.103"></a>
<span class="sourceLineNo">104</span> * @param conf the {@link Configuration} to use<a name="line.104"></a>
<span class="sourceLineNo">105</span> * @param numDataNodes the number of data nodes<a name="line.105"></a>
<span class="sourceLineNo">106</span> * @param numRegionServers the number of region servers<a name="line.106"></a>
<span class="sourceLineNo">107</span> */<a name="line.107"></a>
<span class="sourceLineNo">108</span> public ProcessBasedLocalHBaseCluster(Configuration conf,<a name="line.108"></a>
<span class="sourceLineNo">109</span> int numDataNodes, int numRegionServers) {<a name="line.109"></a>
<span class="sourceLineNo">110</span> this.conf = conf;<a name="line.110"></a>
<span class="sourceLineNo">111</span> this.hbaseHome = HBaseHomePath.getHomePath();<a name="line.111"></a>
<span class="sourceLineNo">112</span> this.numMasters = 1;<a name="line.112"></a>
<span class="sourceLineNo">113</span> this.numRegionServers = numRegionServers;<a name="line.113"></a>
<span class="sourceLineNo">114</span> this.workDir = hbaseHome + "/target/local_cluster";<a name="line.114"></a>
<span class="sourceLineNo">115</span> this.numDataNodes = numDataNodes;<a name="line.115"></a>
<span class="sourceLineNo">116</span><a name="line.116"></a>
<span class="sourceLineNo">117</span> hbaseDaemonScript = hbaseHome + "/bin/hbase-daemon.sh";<a name="line.117"></a>
<span class="sourceLineNo">118</span> zkClientPort = HBaseTestingUtility.randomFreePort();<a name="line.118"></a>
<span class="sourceLineNo">119</span><a name="line.119"></a>
<span class="sourceLineNo">120</span> this.rsPorts = sortedPorts(numRegionServers);<a name="line.120"></a>
<span class="sourceLineNo">121</span> this.masterPorts = sortedPorts(numMasters);<a name="line.121"></a>
<span class="sourceLineNo">122</span><a name="line.122"></a>
<span class="sourceLineNo">123</span> conf.set(HConstants.ZOOKEEPER_QUORUM, HConstants.LOCALHOST);<a name="line.123"></a>
<span class="sourceLineNo">124</span> conf.setInt(HConstants.ZOOKEEPER_CLIENT_PORT, zkClientPort);<a name="line.124"></a>
<span class="sourceLineNo">125</span> }<a name="line.125"></a>
<span class="sourceLineNo">126</span><a name="line.126"></a>
<span class="sourceLineNo">127</span> /**<a name="line.127"></a>
<span class="sourceLineNo">128</span> * Makes this local HBase cluster use a mini-DFS cluster. Must be called before<a name="line.128"></a>
<span class="sourceLineNo">129</span> * {@link #startHBase()}.<a name="line.129"></a>
<span class="sourceLineNo">130</span> * @throws IOException<a name="line.130"></a>
<span class="sourceLineNo">131</span> */<a name="line.131"></a>
<span class="sourceLineNo">132</span> public void startMiniDFS() throws Exception {<a name="line.132"></a>
<span class="sourceLineNo">133</span> if (testUtil == null) {<a name="line.133"></a>
<span class="sourceLineNo">134</span> testUtil = new HBaseTestingUtility(conf);<a name="line.134"></a>
<span class="sourceLineNo">135</span> }<a name="line.135"></a>
<span class="sourceLineNo">136</span> dfsCluster = testUtil.startMiniDFSCluster(numDataNodes);<a name="line.136"></a>
<span class="sourceLineNo">137</span> }<a name="line.137"></a>
<span class="sourceLineNo">138</span><a name="line.138"></a>
<span class="sourceLineNo">139</span> /**<a name="line.139"></a>
<span class="sourceLineNo">140</span> * Generates a list of random port numbers in the sorted order. A sorted<a name="line.140"></a>
<span class="sourceLineNo">141</span> * order makes sense if we ever want to refer to these servers by their index<a name="line.141"></a>
<span class="sourceLineNo">142</span> * in the returned array, e.g. server #0, #1, etc.<a name="line.142"></a>
<span class="sourceLineNo">143</span> */<a name="line.143"></a>
<span class="sourceLineNo">144</span> private static List&lt;Integer&gt; sortedPorts(int n) {<a name="line.144"></a>
<span class="sourceLineNo">145</span> List&lt;Integer&gt; ports = new ArrayList&lt;&gt;(n);<a name="line.145"></a>
<span class="sourceLineNo">146</span> for (int i = 0; i &lt; n; ++i) {<a name="line.146"></a>
<span class="sourceLineNo">147</span> ports.add(HBaseTestingUtility.randomFreePort());<a name="line.147"></a>
<span class="sourceLineNo">148</span> }<a name="line.148"></a>
<span class="sourceLineNo">149</span> Collections.sort(ports);<a name="line.149"></a>
<span class="sourceLineNo">150</span> return ports;<a name="line.150"></a>
<span class="sourceLineNo">151</span> }<a name="line.151"></a>
<span class="sourceLineNo">152</span><a name="line.152"></a>
<span class="sourceLineNo">153</span> public void startHBase() throws IOException {<a name="line.153"></a>
<span class="sourceLineNo">154</span> startDaemonLogTailer();<a name="line.154"></a>
<span class="sourceLineNo">155</span> cleanupOldState();<a name="line.155"></a>
<span class="sourceLineNo">156</span><a name="line.156"></a>
<span class="sourceLineNo">157</span> // start ZK<a name="line.157"></a>
<span class="sourceLineNo">158</span> LOG.info("Starting ZooKeeper on port " + zkClientPort);<a name="line.158"></a>
<span class="sourceLineNo">159</span> startZK();<a name="line.159"></a>
<span class="sourceLineNo">160</span><a name="line.160"></a>
<span class="sourceLineNo">161</span> HBaseTestingUtility.waitForHostPort(HConstants.LOCALHOST, zkClientPort);<a name="line.161"></a>
<span class="sourceLineNo">162</span><a name="line.162"></a>
<span class="sourceLineNo">163</span> for (int masterPort : masterPorts) {<a name="line.163"></a>
<span class="sourceLineNo">164</span> startMaster(masterPort);<a name="line.164"></a>
<span class="sourceLineNo">165</span> }<a name="line.165"></a>
<span class="sourceLineNo">166</span><a name="line.166"></a>
<span class="sourceLineNo">167</span> ZKUtil.waitForBaseZNode(conf);<a name="line.167"></a>
<span class="sourceLineNo">168</span><a name="line.168"></a>
<span class="sourceLineNo">169</span> for (int rsPort : rsPorts) {<a name="line.169"></a>
<span class="sourceLineNo">170</span> startRegionServer(rsPort);<a name="line.170"></a>
<span class="sourceLineNo">171</span> }<a name="line.171"></a>
<span class="sourceLineNo">172</span><a name="line.172"></a>
<span class="sourceLineNo">173</span> LOG.info("Waiting for HBase startup by scanning META");<a name="line.173"></a>
<span class="sourceLineNo">174</span> int attemptsLeft = 10;<a name="line.174"></a>
<span class="sourceLineNo">175</span> while (attemptsLeft-- &gt; 0) {<a name="line.175"></a>
<span class="sourceLineNo">176</span> try {<a name="line.176"></a>
<span class="sourceLineNo">177</span> testUtil.getConnection().getTable(TableName.META_TABLE_NAME);<a name="line.177"></a>
<span class="sourceLineNo">178</span> } catch (Exception e) {<a name="line.178"></a>
<span class="sourceLineNo">179</span> LOG.info("Waiting for HBase to startup. Retries left: " + attemptsLeft,<a name="line.179"></a>
<span class="sourceLineNo">180</span> e);<a name="line.180"></a>
<span class="sourceLineNo">181</span> Threads.sleep(1000);<a name="line.181"></a>
<span class="sourceLineNo">182</span> }<a name="line.182"></a>
<span class="sourceLineNo">183</span> }<a name="line.183"></a>
<span class="sourceLineNo">184</span><a name="line.184"></a>
<span class="sourceLineNo">185</span> LOG.info("Process-based HBase Cluster with " + numRegionServers +<a name="line.185"></a>
<span class="sourceLineNo">186</span> " region servers up and running... \n\n");<a name="line.186"></a>
<span class="sourceLineNo">187</span> }<a name="line.187"></a>
<span class="sourceLineNo">188</span><a name="line.188"></a>
<span class="sourceLineNo">189</span> public void startRegionServer(int port) {<a name="line.189"></a>
<span class="sourceLineNo">190</span> startServer(ServerType.RS, port);<a name="line.190"></a>
<span class="sourceLineNo">191</span> }<a name="line.191"></a>
<span class="sourceLineNo">192</span><a name="line.192"></a>
<span class="sourceLineNo">193</span> public void startMaster(int port) {<a name="line.193"></a>
<span class="sourceLineNo">194</span> startServer(ServerType.MASTER, port);<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> public void killRegionServer(int port) throws IOException {<a name="line.197"></a>
<span class="sourceLineNo">198</span> killServer(ServerType.RS, port);<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> public void killMaster() throws IOException {<a name="line.201"></a>
<span class="sourceLineNo">202</span> killServer(ServerType.MASTER, 0);<a name="line.202"></a>
<span class="sourceLineNo">203</span> }<a name="line.203"></a>
<span class="sourceLineNo">204</span><a name="line.204"></a>
<span class="sourceLineNo">205</span> public void startZK() {<a name="line.205"></a>
<span class="sourceLineNo">206</span> startServer(ServerType.ZK, 0);<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> private void executeCommand(String command) {<a name="line.209"></a>
<span class="sourceLineNo">210</span> executeCommand(command, null);<a name="line.210"></a>
<span class="sourceLineNo">211</span> }<a name="line.211"></a>
<span class="sourceLineNo">212</span><a name="line.212"></a>
<span class="sourceLineNo">213</span> private void executeCommand(String command, Map&lt;String,<a name="line.213"></a>
<span class="sourceLineNo">214</span> String&gt; envOverrides) {<a name="line.214"></a>
<span class="sourceLineNo">215</span> ensureShutdownHookInstalled();<a name="line.215"></a>
<span class="sourceLineNo">216</span> LOG.debug("Command : " + command);<a name="line.216"></a>
<span class="sourceLineNo">217</span><a name="line.217"></a>
<span class="sourceLineNo">218</span> try {<a name="line.218"></a>
<span class="sourceLineNo">219</span> String [] envp = null;<a name="line.219"></a>
<span class="sourceLineNo">220</span> if (envOverrides != null) {<a name="line.220"></a>
<span class="sourceLineNo">221</span> Map&lt;String, String&gt; map = new HashMap&lt;&gt;(System.getenv());<a name="line.221"></a>
<span class="sourceLineNo">222</span> map.putAll(envOverrides);<a name="line.222"></a>
<span class="sourceLineNo">223</span> envp = new String[map.size()];<a name="line.223"></a>
<span class="sourceLineNo">224</span> int idx = 0;<a name="line.224"></a>
<span class="sourceLineNo">225</span> for (Map.Entry&lt;String, String&gt; e: map.entrySet()) {<a name="line.225"></a>
<span class="sourceLineNo">226</span> envp[idx++] = e.getKey() + "=" + e.getValue();<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> Process p = Runtime.getRuntime().exec(command, envp);<a name="line.230"></a>
<span class="sourceLineNo">231</span><a name="line.231"></a>
<span class="sourceLineNo">232</span> BufferedReader stdInput = new BufferedReader(<a name="line.232"></a>
<span class="sourceLineNo">233</span> new InputStreamReader(p.getInputStream()));<a name="line.233"></a>
<span class="sourceLineNo">234</span> BufferedReader stdError = new BufferedReader(<a name="line.234"></a>
<span class="sourceLineNo">235</span> new InputStreamReader(p.getErrorStream()));<a name="line.235"></a>
<span class="sourceLineNo">236</span><a name="line.236"></a>
<span class="sourceLineNo">237</span> // read the output from the command<a name="line.237"></a>
<span class="sourceLineNo">238</span> String s = null;<a name="line.238"></a>
<span class="sourceLineNo">239</span> while ((s = stdInput.readLine()) != null) {<a name="line.239"></a>
<span class="sourceLineNo">240</span> System.out.println(s);<a name="line.240"></a>
<span class="sourceLineNo">241</span> }<a name="line.241"></a>
<span class="sourceLineNo">242</span><a name="line.242"></a>
<span class="sourceLineNo">243</span> // read any errors from the attempted command<a name="line.243"></a>
<span class="sourceLineNo">244</span> while ((s = stdError.readLine()) != null) {<a name="line.244"></a>
<span class="sourceLineNo">245</span> System.out.println(s);<a name="line.245"></a>
<span class="sourceLineNo">246</span> }<a name="line.246"></a>
<span class="sourceLineNo">247</span> } catch (IOException e) {<a name="line.247"></a>
<span class="sourceLineNo">248</span> LOG.error("Error running: " + command, e);<a name="line.248"></a>
<span class="sourceLineNo">249</span> }<a name="line.249"></a>
<span class="sourceLineNo">250</span> }<a name="line.250"></a>
<span class="sourceLineNo">251</span><a name="line.251"></a>
<span class="sourceLineNo">252</span> private void shutdownAllProcesses() {<a name="line.252"></a>
<span class="sourceLineNo">253</span> LOG.info("Killing daemons using pid files");<a name="line.253"></a>
<span class="sourceLineNo">254</span> final List&lt;String&gt; pidFiles = new ArrayList&lt;&gt;(daemonPidFiles);<a name="line.254"></a>
<span class="sourceLineNo">255</span> for (String pidFile : pidFiles) {<a name="line.255"></a>
<span class="sourceLineNo">256</span> int pid = 0;<a name="line.256"></a>
<span class="sourceLineNo">257</span> try {<a name="line.257"></a>
<span class="sourceLineNo">258</span> pid = readPidFromFile(pidFile);<a name="line.258"></a>
<span class="sourceLineNo">259</span> } catch (IOException ex) {<a name="line.259"></a>
<span class="sourceLineNo">260</span> LOG.error("Could not read pid from file " + pidFile);<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> if (pid &gt; 0) {<a name="line.263"></a>
<span class="sourceLineNo">264</span> LOG.info("Killing pid " + pid + " (" + pidFile + ")");<a name="line.264"></a>
<span class="sourceLineNo">265</span> killProcess(pid);<a name="line.265"></a>
<span class="sourceLineNo">266</span> }<a name="line.266"></a>
<span class="sourceLineNo">267</span> }<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> private void ensureShutdownHookInstalled() {<a name="line.270"></a>
<span class="sourceLineNo">271</span> if (shutdownHookInstalled) {<a name="line.271"></a>
<span class="sourceLineNo">272</span> return;<a name="line.272"></a>
<span class="sourceLineNo">273</span> }<a name="line.273"></a>
<span class="sourceLineNo">274</span><a name="line.274"></a>
<span class="sourceLineNo">275</span> Runtime.getRuntime().addShutdownHook(new Thread(new Runnable() {<a name="line.275"></a>
<span class="sourceLineNo">276</span> @Override<a name="line.276"></a>
<span class="sourceLineNo">277</span> public void run() {<a name="line.277"></a>
<span class="sourceLineNo">278</span> shutdownAllProcesses();<a name="line.278"></a>
<span class="sourceLineNo">279</span> }<a name="line.279"></a>
<span class="sourceLineNo">280</span> }));<a name="line.280"></a>
<span class="sourceLineNo">281</span><a name="line.281"></a>
<span class="sourceLineNo">282</span> shutdownHookInstalled = true;<a name="line.282"></a>
<span class="sourceLineNo">283</span> }<a name="line.283"></a>
<span class="sourceLineNo">284</span><a name="line.284"></a>
<span class="sourceLineNo">285</span> private void cleanupOldState() {<a name="line.285"></a>
<span class="sourceLineNo">286</span> executeCommand("rm -rf " + workDir);<a name="line.286"></a>
<span class="sourceLineNo">287</span> }<a name="line.287"></a>
<span class="sourceLineNo">288</span><a name="line.288"></a>
<span class="sourceLineNo">289</span> private void writeStringToFile(String s, String fileName) {<a name="line.289"></a>
<span class="sourceLineNo">290</span> try {<a name="line.290"></a>
<span class="sourceLineNo">291</span> BufferedWriter out = new BufferedWriter(new FileWriter(fileName));<a name="line.291"></a>
<span class="sourceLineNo">292</span> out.write(s);<a name="line.292"></a>
<span class="sourceLineNo">293</span> out.close();<a name="line.293"></a>
<span class="sourceLineNo">294</span> } catch (IOException e) {<a name="line.294"></a>
<span class="sourceLineNo">295</span> LOG.error("Error writing to: " + fileName, e);<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><a name="line.298"></a>
<span class="sourceLineNo">299</span> private String serverWorkingDir(ServerType serverType, int port) {<a name="line.299"></a>
<span class="sourceLineNo">300</span> return workDir + "/" + serverType + "-" + port;<a name="line.300"></a>
<span class="sourceLineNo">301</span> }<a name="line.301"></a>
<span class="sourceLineNo">302</span><a name="line.302"></a>
<span class="sourceLineNo">303</span> private int getServerPID(ServerType serverType, int port) throws IOException {<a name="line.303"></a>
<span class="sourceLineNo">304</span> String pidFile = pidFilePath(serverType, port);<a name="line.304"></a>
<span class="sourceLineNo">305</span> return readPidFromFile(pidFile);<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 static int readPidFromFile(String pidFile) throws IOException {<a name="line.308"></a>
<span class="sourceLineNo">309</span> Scanner scanner = new Scanner(new File(pidFile));<a name="line.309"></a>
<span class="sourceLineNo">310</span> try {<a name="line.310"></a>
<span class="sourceLineNo">311</span> return scanner.nextInt();<a name="line.311"></a>
<span class="sourceLineNo">312</span> } finally {<a name="line.312"></a>
<span class="sourceLineNo">313</span> scanner.close();<a name="line.313"></a>
<span class="sourceLineNo">314</span> }<a name="line.314"></a>
<span class="sourceLineNo">315</span> }<a name="line.315"></a>
<span class="sourceLineNo">316</span><a name="line.316"></a>
<span class="sourceLineNo">317</span> private String pidFilePath(ServerType serverType, int port) {<a name="line.317"></a>
<span class="sourceLineNo">318</span> String dir = serverWorkingDir(serverType, port);<a name="line.318"></a>
<span class="sourceLineNo">319</span> String user = System.getenv("USER");<a name="line.319"></a>
<span class="sourceLineNo">320</span> String pidFile = String.format("%s/hbase-%s-%s.pid",<a name="line.320"></a>
<span class="sourceLineNo">321</span> dir, user, serverType.fullName);<a name="line.321"></a>
<span class="sourceLineNo">322</span> return pidFile;<a name="line.322"></a>
<span class="sourceLineNo">323</span> }<a name="line.323"></a>
<span class="sourceLineNo">324</span><a name="line.324"></a>
<span class="sourceLineNo">325</span> private void killServer(ServerType serverType, int port) throws IOException {<a name="line.325"></a>
<span class="sourceLineNo">326</span> int pid = getServerPID(serverType, port);<a name="line.326"></a>
<span class="sourceLineNo">327</span> if (pid &gt; 0) {<a name="line.327"></a>
<span class="sourceLineNo">328</span> LOG.info("Killing " + serverType + "; pid=" + pid);<a name="line.328"></a>
<span class="sourceLineNo">329</span> killProcess(pid);<a name="line.329"></a>
<span class="sourceLineNo">330</span> }<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> private void killProcess(int pid) {<a name="line.333"></a>
<span class="sourceLineNo">334</span> String cmd = "kill -s KILL " + pid;<a name="line.334"></a>
<span class="sourceLineNo">335</span> executeCommand(cmd);<a name="line.335"></a>
<span class="sourceLineNo">336</span> }<a name="line.336"></a>
<span class="sourceLineNo">337</span><a name="line.337"></a>
<span class="sourceLineNo">338</span> private void startServer(ServerType serverType, int rsPort) {<a name="line.338"></a>
<span class="sourceLineNo">339</span> // create working directory for this region server.<a name="line.339"></a>
<span class="sourceLineNo">340</span> String dir = serverWorkingDir(serverType, rsPort);<a name="line.340"></a>
<span class="sourceLineNo">341</span> String confStr = generateConfig(serverType, rsPort, dir);<a name="line.341"></a>
<span class="sourceLineNo">342</span> LOG.debug("Creating directory " + dir);<a name="line.342"></a>
<span class="sourceLineNo">343</span> new File(dir).mkdirs();<a name="line.343"></a>
<span class="sourceLineNo">344</span><a name="line.344"></a>
<span class="sourceLineNo">345</span> writeStringToFile(confStr, dir + "/hbase-site.xml");<a name="line.345"></a>
<span class="sourceLineNo">346</span><a name="line.346"></a>
<span class="sourceLineNo">347</span> // Set debug options to an empty string so that hbase-config.sh does not configure them<a name="line.347"></a>
<span class="sourceLineNo">348</span> // using default ports. If we want to run remote debugging on process-based local cluster's<a name="line.348"></a>
<span class="sourceLineNo">349</span> // daemons, we can automatically choose non-conflicting JDWP and JMX ports for each daemon<a name="line.349"></a>
<span class="sourceLineNo">350</span> // and specify them here.<a name="line.350"></a>
<span class="sourceLineNo">351</span> writeStringToFile(<a name="line.351"></a>
<span class="sourceLineNo">352</span> "unset HBASE_MASTER_OPTS\n" +<a name="line.352"></a>
<span class="sourceLineNo">353</span> "unset HBASE_REGIONSERVER_OPTS\n" +<a name="line.353"></a>
<span class="sourceLineNo">354</span> "unset HBASE_ZOOKEEPER_OPTS\n" +<a name="line.354"></a>
<span class="sourceLineNo">355</span> "HBASE_MASTER_DBG_OPTS=' '\n" +<a name="line.355"></a>
<span class="sourceLineNo">356</span> "HBASE_REGIONSERVER_DBG_OPTS=' '\n" +<a name="line.356"></a>
<span class="sourceLineNo">357</span> "HBASE_ZOOKEEPER_DBG_OPTS=' '\n" +<a name="line.357"></a>
<span class="sourceLineNo">358</span> "HBASE_MASTER_JMX_OPTS=' '\n" +<a name="line.358"></a>
<span class="sourceLineNo">359</span> "HBASE_REGIONSERVER_JMX_OPTS=' '\n" +<a name="line.359"></a>
<span class="sourceLineNo">360</span> "HBASE_ZOOKEEPER_JMX_OPTS=' '\n",<a name="line.360"></a>
<span class="sourceLineNo">361</span> dir + "/hbase-env.sh");<a name="line.361"></a>
<span class="sourceLineNo">362</span><a name="line.362"></a>
<span class="sourceLineNo">363</span> Map&lt;String, String&gt; envOverrides = new HashMap&lt;&gt;();<a name="line.363"></a>
<span class="sourceLineNo">364</span> envOverrides.put("HBASE_LOG_DIR", dir);<a name="line.364"></a>
<span class="sourceLineNo">365</span> envOverrides.put("HBASE_PID_DIR", dir);<a name="line.365"></a>
<span class="sourceLineNo">366</span> try {<a name="line.366"></a>
<span class="sourceLineNo">367</span> FileUtils.copyFile(<a name="line.367"></a>
<span class="sourceLineNo">368</span> new File(hbaseHome, "conf/log4j.properties"),<a name="line.368"></a>
<span class="sourceLineNo">369</span> new File(dir, "log4j.properties"));<a name="line.369"></a>
<span class="sourceLineNo">370</span> } catch (IOException ex) {<a name="line.370"></a>
<span class="sourceLineNo">371</span> LOG.error("Could not install log4j.properties into " + dir);<a name="line.371"></a>
<span class="sourceLineNo">372</span> }<a name="line.372"></a>
<span class="sourceLineNo">373</span><a name="line.373"></a>
<span class="sourceLineNo">374</span> executeCommand(hbaseDaemonScript + " --config " + dir +<a name="line.374"></a>
<span class="sourceLineNo">375</span> " start " + serverType.fullName, envOverrides);<a name="line.375"></a>
<span class="sourceLineNo">376</span> daemonPidFiles.add(pidFilePath(serverType, rsPort));<a name="line.376"></a>
<span class="sourceLineNo">377</span> logTailDirs.add(dir);<a name="line.377"></a>
<span class="sourceLineNo">378</span> }<a name="line.378"></a>
<span class="sourceLineNo">379</span><a name="line.379"></a>
<span class="sourceLineNo">380</span> private final String generateConfig(ServerType serverType, int rpcPort,<a name="line.380"></a>
<span class="sourceLineNo">381</span> String daemonDir) {<a name="line.381"></a>
<span class="sourceLineNo">382</span> StringBuilder sb = new StringBuilder();<a name="line.382"></a>
<span class="sourceLineNo">383</span> Map&lt;String, Object&gt; confMap = new TreeMap&lt;&gt;();<a name="line.383"></a>
<span class="sourceLineNo">384</span> confMap.put(HConstants.CLUSTER_DISTRIBUTED, true);<a name="line.384"></a>
<span class="sourceLineNo">385</span><a name="line.385"></a>
<span class="sourceLineNo">386</span> if (serverType == ServerType.MASTER) {<a name="line.386"></a>
<span class="sourceLineNo">387</span> confMap.put(HConstants.MASTER_PORT, rpcPort);<a name="line.387"></a>
<span class="sourceLineNo">388</span><a name="line.388"></a>
<span class="sourceLineNo">389</span> int masterInfoPort = HBaseTestingUtility.randomFreePort();<a name="line.389"></a>
<span class="sourceLineNo">390</span> reportWebUIPort("master", masterInfoPort);<a name="line.390"></a>
<span class="sourceLineNo">391</span> confMap.put(HConstants.MASTER_INFO_PORT, masterInfoPort);<a name="line.391"></a>
<span class="sourceLineNo">392</span> } else if (serverType == ServerType.RS) {<a name="line.392"></a>
<span class="sourceLineNo">393</span> confMap.put(HConstants.REGIONSERVER_PORT, rpcPort);<a name="line.393"></a>
<span class="sourceLineNo">394</span><a name="line.394"></a>
<span class="sourceLineNo">395</span> int rsInfoPort = HBaseTestingUtility.randomFreePort();<a name="line.395"></a>
<span class="sourceLineNo">396</span> reportWebUIPort("region server", rsInfoPort);<a name="line.396"></a>
<span class="sourceLineNo">397</span> confMap.put(HConstants.REGIONSERVER_INFO_PORT, rsInfoPort);<a name="line.397"></a>
<span class="sourceLineNo">398</span> } else {<a name="line.398"></a>
<span class="sourceLineNo">399</span> confMap.put(HConstants.ZOOKEEPER_DATA_DIR, daemonDir);<a name="line.399"></a>
<span class="sourceLineNo">400</span> }<a name="line.400"></a>
<span class="sourceLineNo">401</span><a name="line.401"></a>
<span class="sourceLineNo">402</span> confMap.put(HConstants.ZOOKEEPER_CLIENT_PORT, zkClientPort);<a name="line.402"></a>
<span class="sourceLineNo">403</span> confMap.put(HConstants.HREGION_MAX_FILESIZE, MAX_FILE_SIZE_OVERRIDE);<a name="line.403"></a>
<span class="sourceLineNo">404</span><a name="line.404"></a>
<span class="sourceLineNo">405</span> if (dfsCluster != null) {<a name="line.405"></a>
<span class="sourceLineNo">406</span> String fsURL = "hdfs://" + HConstants.LOCALHOST + ":" + dfsCluster.getNameNodePort();<a name="line.406"></a>
<span class="sourceLineNo">407</span> confMap.put("fs.defaultFS", fsURL);<a name="line.407"></a>
<span class="sourceLineNo">408</span> confMap.put("hbase.rootdir", fsURL + "/hbase_test");<a name="line.408"></a>
<span class="sourceLineNo">409</span> }<a name="line.409"></a>
<span class="sourceLineNo">410</span><a name="line.410"></a>
<span class="sourceLineNo">411</span> sb.append("&lt;configuration&gt;\n");<a name="line.411"></a>
<span class="sourceLineNo">412</span> for (Map.Entry&lt;String, Object&gt; entry : confMap.entrySet()) {<a name="line.412"></a>
<span class="sourceLineNo">413</span> sb.append(" &lt;property&gt;\n");<a name="line.413"></a>
<span class="sourceLineNo">414</span> sb.append(" &lt;name&gt;" + entry.getKey() + "&lt;/name&gt;\n");<a name="line.414"></a>
<span class="sourceLineNo">415</span> sb.append(" &lt;value&gt;" + entry.getValue() + "&lt;/value&gt;\n");<a name="line.415"></a>
<span class="sourceLineNo">416</span> sb.append(" &lt;/property&gt;\n");<a name="line.416"></a>
<span class="sourceLineNo">417</span> }<a name="line.417"></a>
<span class="sourceLineNo">418</span> sb.append("&lt;/configuration&gt;\n");<a name="line.418"></a>
<span class="sourceLineNo">419</span> return sb.toString();<a name="line.419"></a>
<span class="sourceLineNo">420</span> }<a name="line.420"></a>
<span class="sourceLineNo">421</span><a name="line.421"></a>
<span class="sourceLineNo">422</span> private static void reportWebUIPort(String daemon, int port) {<a name="line.422"></a>
<span class="sourceLineNo">423</span> LOG.info("Local " + daemon + " web UI is at http://"<a name="line.423"></a>
<span class="sourceLineNo">424</span> + HConstants.LOCALHOST + ":" + port);<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> public Configuration getConf() {<a name="line.427"></a>
<span class="sourceLineNo">428</span> return conf;<a name="line.428"></a>
<span class="sourceLineNo">429</span> }<a name="line.429"></a>
<span class="sourceLineNo">430</span><a name="line.430"></a>
<span class="sourceLineNo">431</span> public void shutdown() {<a name="line.431"></a>
<span class="sourceLineNo">432</span> if (dfsCluster != null) {<a name="line.432"></a>
<span class="sourceLineNo">433</span> dfsCluster.shutdown();<a name="line.433"></a>
<span class="sourceLineNo">434</span> }<a name="line.434"></a>
<span class="sourceLineNo">435</span> shutdownAllProcesses();<a name="line.435"></a>
<span class="sourceLineNo">436</span> }<a name="line.436"></a>
<span class="sourceLineNo">437</span><a name="line.437"></a>
<span class="sourceLineNo">438</span> private static final Pattern TO_REMOVE_FROM_LOG_LINES_RE =<a name="line.438"></a>
<span class="sourceLineNo">439</span> Pattern.compile("org\\.apache\\.hadoop\\.hbase\\.");<a name="line.439"></a>
<span class="sourceLineNo">440</span><a name="line.440"></a>
<span class="sourceLineNo">441</span> private static final Pattern LOG_PATH_FORMAT_RE =<a name="line.441"></a>
<span class="sourceLineNo">442</span> Pattern.compile("^.*/([A-Z]+)-(\\d+)/[^/]+$");<a name="line.442"></a>
<span class="sourceLineNo">443</span><a name="line.443"></a>
<span class="sourceLineNo">444</span> private static String processLine(String line) {<a name="line.444"></a>
<span class="sourceLineNo">445</span> Matcher m = TO_REMOVE_FROM_LOG_LINES_RE.matcher(line);<a name="line.445"></a>
<span class="sourceLineNo">446</span> return m.replaceAll("");<a name="line.446"></a>
<span class="sourceLineNo">447</span> }<a name="line.447"></a>
<span class="sourceLineNo">448</span><a name="line.448"></a>
<span class="sourceLineNo">449</span> private final class LocalDaemonLogTailer implements Runnable {<a name="line.449"></a>
<span class="sourceLineNo">450</span> private final Set&lt;String&gt; tailedFiles = new HashSet&lt;&gt;();<a name="line.450"></a>
<span class="sourceLineNo">451</span> private final List&lt;String&gt; dirList = new ArrayList&lt;&gt;();<a name="line.451"></a>
<span class="sourceLineNo">452</span> private final Object printLock = new Object();<a name="line.452"></a>
<span class="sourceLineNo">453</span><a name="line.453"></a>
<span class="sourceLineNo">454</span> private final FilenameFilter LOG_FILES = new FilenameFilter() {<a name="line.454"></a>
<span class="sourceLineNo">455</span> @Override<a name="line.455"></a>
<span class="sourceLineNo">456</span> public boolean accept(File dir, String name) {<a name="line.456"></a>
<span class="sourceLineNo">457</span> return name.endsWith(".out") || name.endsWith(".log");<a name="line.457"></a>
<span class="sourceLineNo">458</span> }<a name="line.458"></a>
<span class="sourceLineNo">459</span> };<a name="line.459"></a>
<span class="sourceLineNo">460</span><a name="line.460"></a>
<span class="sourceLineNo">461</span> @Override<a name="line.461"></a>
<span class="sourceLineNo">462</span> public void run() {<a name="line.462"></a>
<span class="sourceLineNo">463</span> try {<a name="line.463"></a>
<span class="sourceLineNo">464</span> runInternal();<a name="line.464"></a>
<span class="sourceLineNo">465</span> } catch (IOException ex) {<a name="line.465"></a>
<span class="sourceLineNo">466</span> LOG.error(ex.toString(), ex);<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> private void runInternal() throws IOException {<a name="line.470"></a>
<span class="sourceLineNo">471</span> Thread.currentThread().setName(getClass().getSimpleName());<a name="line.471"></a>
<span class="sourceLineNo">472</span> while (true) {<a name="line.472"></a>
<span class="sourceLineNo">473</span> scanDirs();<a name="line.473"></a>
<span class="sourceLineNo">474</span> try {<a name="line.474"></a>
<span class="sourceLineNo">475</span> Thread.sleep(500);<a name="line.475"></a>
<span class="sourceLineNo">476</span> } catch (InterruptedException e) {<a name="line.476"></a>
<span class="sourceLineNo">477</span> LOG.error("Log tailer thread interrupted", e);<a name="line.477"></a>
<span class="sourceLineNo">478</span> break;<a name="line.478"></a>
<span class="sourceLineNo">479</span> }<a name="line.479"></a>
<span class="sourceLineNo">480</span> }<a name="line.480"></a>
<span class="sourceLineNo">481</span> }<a name="line.481"></a>
<span class="sourceLineNo">482</span><a name="line.482"></a>
<span class="sourceLineNo">483</span> private void scanDirs() throws FileNotFoundException {<a name="line.483"></a>
<span class="sourceLineNo">484</span> dirList.clear();<a name="line.484"></a>
<span class="sourceLineNo">485</span> dirList.addAll(logTailDirs);<a name="line.485"></a>
<span class="sourceLineNo">486</span> for (String d : dirList) {<a name="line.486"></a>
<span class="sourceLineNo">487</span> for (File f : new File(d).listFiles(LOG_FILES)) {<a name="line.487"></a>
<span class="sourceLineNo">488</span> String filePath = f.getAbsolutePath();<a name="line.488"></a>
<span class="sourceLineNo">489</span> if (!tailedFiles.contains(filePath)) {<a name="line.489"></a>
<span class="sourceLineNo">490</span> tailedFiles.add(filePath);<a name="line.490"></a>
<span class="sourceLineNo">491</span> startTailingFile(filePath);<a name="line.491"></a>
<span class="sourceLineNo">492</span> }<a name="line.492"></a>
<span class="sourceLineNo">493</span> }<a name="line.493"></a>
<span class="sourceLineNo">494</span> }<a name="line.494"></a>
<span class="sourceLineNo">495</span> }<a name="line.495"></a>
<span class="sourceLineNo">496</span><a name="line.496"></a>
<span class="sourceLineNo">497</span> private void startTailingFile(final String filePath) throws FileNotFoundException {<a name="line.497"></a>
<span class="sourceLineNo">498</span> final PrintStream dest = filePath.endsWith(".log") ? System.err : System.out;<a name="line.498"></a>
<span class="sourceLineNo">499</span> final ServerType serverType;<a name="line.499"></a>
<span class="sourceLineNo">500</span> final int serverPort;<a name="line.500"></a>
<span class="sourceLineNo">501</span> Matcher m = LOG_PATH_FORMAT_RE.matcher(filePath);<a name="line.501"></a>
<span class="sourceLineNo">502</span> if (m.matches()) {<a name="line.502"></a>
<span class="sourceLineNo">503</span> serverType = ServerType.valueOf(m.group(1));<a name="line.503"></a>
<span class="sourceLineNo">504</span> serverPort = Integer.valueOf(m.group(2));<a name="line.504"></a>
<span class="sourceLineNo">505</span> } else {<a name="line.505"></a>
<span class="sourceLineNo">506</span> LOG.error("Unrecognized log path format: " + filePath);<a name="line.506"></a>
<span class="sourceLineNo">507</span> return;<a name="line.507"></a>
<span class="sourceLineNo">508</span> }<a name="line.508"></a>
<span class="sourceLineNo">509</span> final String logMsgPrefix =<a name="line.509"></a>
<span class="sourceLineNo">510</span> "[" + serverType + (serverPort != 0 ? ":" + serverPort : "") + "] ";<a name="line.510"></a>
<span class="sourceLineNo">511</span><a name="line.511"></a>
<span class="sourceLineNo">512</span> LOG.debug("Tailing " + filePath);<a name="line.512"></a>
<span class="sourceLineNo">513</span> Thread t = new Thread(new Runnable() {<a name="line.513"></a>
<span class="sourceLineNo">514</span> @Override<a name="line.514"></a>
<span class="sourceLineNo">515</span> public void run() {<a name="line.515"></a>
<span class="sourceLineNo">516</span> try {<a name="line.516"></a>
<span class="sourceLineNo">517</span> FileInputStream fis = new FileInputStream(filePath);<a name="line.517"></a>
<span class="sourceLineNo">518</span> BufferedReader br = new BufferedReader(new InputStreamReader(fis));<a name="line.518"></a>
<span class="sourceLineNo">519</span> String line;<a name="line.519"></a>
<span class="sourceLineNo">520</span> while (true) {<a name="line.520"></a>
<span class="sourceLineNo">521</span> try {<a name="line.521"></a>
<span class="sourceLineNo">522</span> Thread.sleep(200);<a name="line.522"></a>
<span class="sourceLineNo">523</span> } catch (InterruptedException e) {<a name="line.523"></a>
<span class="sourceLineNo">524</span> LOG.error("Tailer for " + filePath + " interrupted");<a name="line.524"></a>
<span class="sourceLineNo">525</span> break;<a name="line.525"></a>
<span class="sourceLineNo">526</span> }<a name="line.526"></a>
<span class="sourceLineNo">527</span> while ((line = br.readLine()) != null) {<a name="line.527"></a>
<span class="sourceLineNo">528</span> line = logMsgPrefix + processLine(line);<a name="line.528"></a>
<span class="sourceLineNo">529</span> synchronized (printLock) {<a name="line.529"></a>
<span class="sourceLineNo">530</span> if (line.endsWith("\n")) {<a name="line.530"></a>
<span class="sourceLineNo">531</span> dest.print(line);<a name="line.531"></a>
<span class="sourceLineNo">532</span> } else {<a name="line.532"></a>
<span class="sourceLineNo">533</span> dest.println(line);<a name="line.533"></a>
<span class="sourceLineNo">534</span> }<a name="line.534"></a>
<span class="sourceLineNo">535</span> dest.flush();<a name="line.535"></a>
<span class="sourceLineNo">536</span> }<a name="line.536"></a>
<span class="sourceLineNo">537</span> }<a name="line.537"></a>
<span class="sourceLineNo">538</span> }<a name="line.538"></a>
<span class="sourceLineNo">539</span> } catch (IOException ex) {<a name="line.539"></a>
<span class="sourceLineNo">540</span> LOG.error("Failed tailing " + filePath, ex);<a name="line.540"></a>
<span class="sourceLineNo">541</span> }<a name="line.541"></a>
<span class="sourceLineNo">542</span> }<a name="line.542"></a>
<span class="sourceLineNo">543</span> });<a name="line.543"></a>
<span class="sourceLineNo">544</span> t.setDaemon(true);<a name="line.544"></a>
<span class="sourceLineNo">545</span> t.setName("Tailer for " + filePath);<a name="line.545"></a>
<span class="sourceLineNo">546</span> t.start();<a name="line.546"></a>
<span class="sourceLineNo">547</span> }<a name="line.547"></a>
<span class="sourceLineNo">548</span><a name="line.548"></a>
<span class="sourceLineNo">549</span> }<a name="line.549"></a>
<span class="sourceLineNo">550</span><a name="line.550"></a>
<span class="sourceLineNo">551</span> private void startDaemonLogTailer() {<a name="line.551"></a>
<span class="sourceLineNo">552</span> logTailerThread = new Thread(new LocalDaemonLogTailer());<a name="line.552"></a>
<span class="sourceLineNo">553</span> logTailerThread.setDaemon(true);<a name="line.553"></a>
<span class="sourceLineNo">554</span> logTailerThread.start();<a name="line.554"></a>
<span class="sourceLineNo">555</span> }<a name="line.555"></a>
<span class="sourceLineNo">556</span><a name="line.556"></a>
<span class="sourceLineNo">557</span>}<a name="line.557"></a>
<span class="sourceLineNo">558</span><a name="line.558"></a>
</pre>
</div>
</body>
</html>