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From dbirds...@apache.org
Subject [24/31] incubator-trafodion-site git commit: Rebuild Release 2.0.0 manuals for PRs 492 and 500
Date Wed, 25 May 2016 20:15:58 GMT
http://git-wip-us.apache.org/repos/asf/incubator-trafodion-site/blob/7af1709b/docs/2.0.0/dcs_reference/xref/org/trafodion/dcs/zookeeper/DcsQuorumPeer.html
----------------------------------------------------------------------
diff --git a/docs/2.0.0/dcs_reference/xref/org/trafodion/dcs/zookeeper/DcsQuorumPeer.html
b/docs/2.0.0/dcs_reference/xref/org/trafodion/dcs/zookeeper/DcsQuorumPeer.html
index e9c4824..8c57917 100644
--- a/docs/2.0.0/dcs_reference/xref/org/trafodion/dcs/zookeeper/DcsQuorumPeer.html
+++ b/docs/2.0.0/dcs_reference/xref/org/trafodion/dcs/zookeeper/DcsQuorumPeer.html
@@ -29,167 +29,147 @@
 <a class="jxr_linenumber" name="19" href="#19">19</a>  <em class="jxr_javadoccomment">under
the License.</em>
 <a class="jxr_linenumber" name="20" href="#20">20</a>  
 <a class="jxr_linenumber" name="21" href="#21">21</a>  <em class="jxr_javadoccomment">*
@@@ END COPYRIGHT @@@</em>
-<a class="jxr_linenumber" name="22" href="#22">22</a>  <em class="jxr_javadoccomment">
*/</em>
-<a class="jxr_linenumber" name="23" href="#23">23</a>  <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="24" href="#24">24</a>  <em class="jxr_javadoccomment">
* Copyright 2010 The Apache Software Foundation</em>
-<a class="jxr_linenumber" name="25" href="#25">25</a>  <em class="jxr_javadoccomment">
*</em>
-<a class="jxr_linenumber" name="26" href="#26">26</a>  <em class="jxr_javadoccomment">
* Licensed to the Apache Software Foundation (ASF) under one</em>
-<a class="jxr_linenumber" name="27" href="#27">27</a>  <em class="jxr_javadoccomment">
* or more contributor license agreements.  See the NOTICE file</em>
-<a class="jxr_linenumber" name="28" href="#28">28</a>  <em class="jxr_javadoccomment">
* distributed with this work for additional information</em>
-<a class="jxr_linenumber" name="29" href="#29">29</a>  <em class="jxr_javadoccomment">
* regarding copyright ownership.  The ASF licenses this file</em>
-<a class="jxr_linenumber" name="30" href="#30">30</a>  <em class="jxr_javadoccomment">
* to you under the Apache License, Version 2.0 (the</em>
-<a class="jxr_linenumber" name="31" href="#31">31</a>  <em class="jxr_javadoccomment">
* "License"); you may not use this file except in compliance</em>
-<a class="jxr_linenumber" name="32" href="#32">32</a>  <em class="jxr_javadoccomment">
* with the License.  You may obtain a copy of the License at</em>
-<a class="jxr_linenumber" name="33" href="#33">33</a>  <em class="jxr_javadoccomment">
*</em>
-<a class="jxr_linenumber" name="34" href="#34">34</a>  <em class="jxr_javadoccomment">
*     <a href="http://www.apache.org/licenses/LICENSE-2.0" target="alexandria_uri">http://www.apache.org/licenses/LICENSE-2.0</a></em>
-<a class="jxr_linenumber" name="35" href="#35">35</a>  <em class="jxr_javadoccomment">
*</em>
-<a class="jxr_linenumber" name="36" href="#36">36</a>  <em class="jxr_javadoccomment">
* Unless required by applicable law or agreed to in writing, software</em>
-<a class="jxr_linenumber" name="37" href="#37">37</a>  <em class="jxr_javadoccomment">
* distributed under the License is distributed on an "AS IS" BASIS,</em>
-<a class="jxr_linenumber" name="38" href="#38">38</a>  <em class="jxr_javadoccomment">
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</em>
-<a class="jxr_linenumber" name="39" href="#39">39</a>  <em class="jxr_javadoccomment">
* See the License for the specific language governing permissions and</em>
-<a class="jxr_linenumber" name="40" href="#40">40</a>  <em class="jxr_javadoccomment">
* limitations under the License.</em>
-<a class="jxr_linenumber" name="41" href="#41">41</a>  <em class="jxr_javadoccomment">
*/</em>
-<a class="jxr_linenumber" name="42" href="#42">42</a>  
-<a class="jxr_linenumber" name="43" href="#43">43</a>  <strong class="jxr_keyword">package</strong>
org.trafodion.dcs.zookeeper;
-<a class="jxr_linenumber" name="44" href="#44">44</a>  
-<a class="jxr_linenumber" name="45" href="#45">45</a>  <strong class="jxr_keyword">import</strong>
java.io.File;
-<a class="jxr_linenumber" name="46" href="#46">46</a>  <strong class="jxr_keyword">import</strong>
java.io.IOException;
-<a class="jxr_linenumber" name="47" href="#47">47</a>  <strong class="jxr_keyword">import</strong>
java.io.PrintWriter;
-<a class="jxr_linenumber" name="48" href="#48">48</a>  <strong class="jxr_keyword">import</strong>
java.net.InetAddress;
-<a class="jxr_linenumber" name="49" href="#49">49</a>  <strong class="jxr_keyword">import</strong>
java.net.NetworkInterface;
-<a class="jxr_linenumber" name="50" href="#50">50</a>  <strong class="jxr_keyword">import</strong>
java.net.UnknownHostException;
-<a class="jxr_linenumber" name="51" href="#51">51</a>  <strong class="jxr_keyword">import</strong>
java.util.ArrayList;
-<a class="jxr_linenumber" name="52" href="#52">52</a>  <strong class="jxr_keyword">import</strong>
java.util.Enumeration;
-<a class="jxr_linenumber" name="53" href="#53">53</a>  <strong class="jxr_keyword">import</strong>
java.util.List;
-<a class="jxr_linenumber" name="54" href="#54">54</a>  <strong class="jxr_keyword">import</strong>
java.util.Properties;
-<a class="jxr_linenumber" name="55" href="#55">55</a>  <strong class="jxr_keyword">import</strong>
java.util.Map.Entry;
-<a class="jxr_linenumber" name="56" href="#56">56</a>  
-<a class="jxr_linenumber" name="57" href="#57">57</a>  <strong class="jxr_keyword">import</strong>
org.apache.hadoop.conf.Configuration;
-<a class="jxr_linenumber" name="58" href="#58">58</a>  <strong class="jxr_keyword">import</strong>
org.trafodion.dcs.util.DcsConfiguration;
-<a class="jxr_linenumber" name="59" href="#59">59</a>  <strong class="jxr_keyword">import</strong>
org.trafodion.dcs.util.Strings;
-<a class="jxr_linenumber" name="60" href="#60">60</a>  <strong class="jxr_keyword">import</strong>
org.apache.hadoop.net.DNS;
-<a class="jxr_linenumber" name="61" href="#61">61</a>  <strong class="jxr_keyword">import</strong>
org.apache.hadoop.util.StringUtils;
-<a class="jxr_linenumber" name="62" href="#62">62</a>  <strong class="jxr_keyword">import</strong>
org.apache.zookeeper.server.ServerConfig;
-<a class="jxr_linenumber" name="63" href="#63">63</a>  <strong class="jxr_keyword">import</strong>
org.apache.zookeeper.server.ZooKeeperServerMain;
-<a class="jxr_linenumber" name="64" href="#64">64</a>  <strong class="jxr_keyword">import</strong>
org.apache.zookeeper.server.quorum.QuorumPeerConfig;
-<a class="jxr_linenumber" name="65" href="#65">65</a>  <strong class="jxr_keyword">import</strong>
org.apache.zookeeper.server.quorum.QuorumPeerMain;
-<a class="jxr_linenumber" name="66" href="#66">66</a>  
-<a class="jxr_linenumber" name="67" href="#67">67</a>  <strong class="jxr_keyword">import</strong>
org.apache.commons.logging.Log;
-<a class="jxr_linenumber" name="68" href="#68">68</a>  <strong class="jxr_keyword">import</strong>
org.apache.commons.logging.LogFactory;
-<a class="jxr_linenumber" name="69" href="#69">69</a>  <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="70" href="#70">70</a>  <em class="jxr_javadoccomment">
* DCS's version of ZooKeeper's QuorumPeer. When DCS is set to manage</em>
-<a class="jxr_linenumber" name="71" href="#71">71</a>  <em class="jxr_javadoccomment">
* ZooKeeper, this class is used to start up QuorumPeer instances. By doing</em>
-<a class="jxr_linenumber" name="72" href="#72">72</a>  <em class="jxr_javadoccomment">
* things in here rather than directly calling to ZooKeeper, we have more</em>
-<a class="jxr_linenumber" name="73" href="#73">73</a>  <em class="jxr_javadoccomment">
* control over the process. This class uses {@link ZKConfig} to parse the</em>
-<a class="jxr_linenumber" name="74" href="#74">74</a>  <em class="jxr_javadoccomment">
* zoo.cfg and inject variables from DCS's site.xml configuration in.</em>
-<a class="jxr_linenumber" name="75" href="#75">75</a>  <em class="jxr_javadoccomment">
*/</em>
-<a class="jxr_linenumber" name="76" href="#76">76</a>  <strong class="jxr_keyword">public</strong>
<strong class="jxr_keyword">class</strong> <a href="../../../../org/trafodion/dcs/zookeeper/DcsQuorumPeer.html">DcsQuorumPeer</a>
{
-<a class="jxr_linenumber" name="77" href="#77">77</a>    <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="78" href="#78">78</a>  <em class="jxr_javadoccomment">
  * Parse ZooKeeper configuration from DCS XML config and run a QuorumPeer.</em>
-<a class="jxr_linenumber" name="79" href="#79">79</a>  <em class="jxr_javadoccomment">
  * @param args String[] of command line arguments. Not used.</em>
-<a class="jxr_linenumber" name="80" href="#80">80</a>  <em class="jxr_javadoccomment">
  */</em>
-<a class="jxr_linenumber" name="81" href="#81">81</a>  	<strong class="jxr_keyword">private</strong>
<strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong>
Log LOG = LogFactory.getLog(DcsQuorumPeer.<strong class="jxr_keyword">class</strong>.getName());
-<a class="jxr_linenumber" name="82" href="#82">82</a>  	
-<a class="jxr_linenumber" name="83" href="#83">83</a>  	<strong class="jxr_keyword">public</strong>
<a href="../../../../org/trafodion/dcs/zookeeper/DcsQuorumPeer.html">DcsQuorumPeer</a>()
{
-<a class="jxr_linenumber" name="84" href="#84">84</a>  		Configuration conf =
DcsConfiguration.create();
-<a class="jxr_linenumber" name="85" href="#85">85</a>  		<strong class="jxr_keyword">try</strong>
{
-<a class="jxr_linenumber" name="86" href="#86">86</a>  			Properties zkProperties
= ZKConfig.makeZKProps(conf);
-<a class="jxr_linenumber" name="87" href="#87">87</a>  			writeMyID(zkProperties);
-<a class="jxr_linenumber" name="88" href="#88">88</a>  			QuorumPeerConfig zkConfig
= <strong class="jxr_keyword">new</strong> QuorumPeerConfig();
-<a class="jxr_linenumber" name="89" href="#89">89</a>  			zkConfig.parseProperties(zkProperties);
-<a class="jxr_linenumber" name="90" href="#90">90</a>  			System.out.println(<span
class="jxr_string">"running Zookeeper"</span>);
-<a class="jxr_linenumber" name="91" href="#91">91</a>  			runZKServer(zkConfig);
-<a class="jxr_linenumber" name="92" href="#92">92</a>  		} <strong class="jxr_keyword">catch</strong>
(Exception e) {
-<a class="jxr_linenumber" name="93" href="#93">93</a>  			e.printStackTrace();
-<a class="jxr_linenumber" name="94" href="#94">94</a>  			System.exit(-1);
-<a class="jxr_linenumber" name="95" href="#95">95</a>  		}
-<a class="jxr_linenumber" name="96" href="#96">96</a>  	}
-<a class="jxr_linenumber" name="97" href="#97">97</a>    
-<a class="jxr_linenumber" name="98" href="#98">98</a>    <strong class="jxr_keyword">public</strong>
<strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">void</strong>
main(String[] args) {
-<a class="jxr_linenumber" name="99" href="#99">99</a>  	  DcsQuorumPeer qp =
<strong class="jxr_keyword">new</strong> DcsQuorumPeer();
-<a class="jxr_linenumber" name="100" href="#100">100</a>   }
-<a class="jxr_linenumber" name="101" href="#101">101</a> 
-<a class="jxr_linenumber" name="102" href="#102">102</a>   <strong class="jxr_keyword">private</strong>
<strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">void</strong>
runZKServer(QuorumPeerConfig zkConfig) <strong class="jxr_keyword">throws</strong>
UnknownHostException, IOException {
-<a class="jxr_linenumber" name="103" href="#103">103</a>     <strong class="jxr_keyword">if</strong>
(zkConfig.isDistributed()) {
-<a class="jxr_linenumber" name="104" href="#104">104</a>       QuorumPeerMain
qp = <strong class="jxr_keyword">new</strong> QuorumPeerMain();
-<a class="jxr_linenumber" name="105" href="#105">105</a>       qp.runFromConfig(zkConfig);
-<a class="jxr_linenumber" name="106" href="#106">106</a>     } <strong class="jxr_keyword">else</strong>
{
-<a class="jxr_linenumber" name="107" href="#107">107</a>       ZooKeeperServerMain
zk = <strong class="jxr_keyword">new</strong> ZooKeeperServerMain();
-<a class="jxr_linenumber" name="108" href="#108">108</a>       ServerConfig serverConfig
= <strong class="jxr_keyword">new</strong> ServerConfig();
-<a class="jxr_linenumber" name="109" href="#109">109</a>       serverConfig.readFrom(zkConfig);
-<a class="jxr_linenumber" name="110" href="#110">110</a>       zk.runFromConfig(serverConfig);
-<a class="jxr_linenumber" name="111" href="#111">111</a>     }
-<a class="jxr_linenumber" name="112" href="#112">112</a>   }
-<a class="jxr_linenumber" name="113" href="#113">113</a> 
-<a class="jxr_linenumber" name="114" href="#114">114</a>   <strong class="jxr_keyword">private</strong>
<strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">boolean</strong>
addressIsLocalHost(String address) {
-<a class="jxr_linenumber" name="115" href="#115">115</a>     <strong class="jxr_keyword">return</strong>
address.equals(<span class="jxr_string">"localhost"</span>) || address.equals(<span
class="jxr_string">"127.0.0.1"</span>);
-<a class="jxr_linenumber" name="116" href="#116">116</a>   }
-<a class="jxr_linenumber" name="117" href="#117">117</a> 
-<a class="jxr_linenumber" name="118" href="#118">118</a>   <strong class="jxr_keyword">static</strong>
<strong class="jxr_keyword">void</strong> writeMyID(Properties properties) <strong
class="jxr_keyword">throws</strong> IOException {
-<a class="jxr_linenumber" name="119" href="#119">119</a>     <strong class="jxr_keyword">long</strong>
myId = -1;
-<a class="jxr_linenumber" name="120" href="#120">120</a> 
-<a class="jxr_linenumber" name="121" href="#121">121</a>     Configuration conf
= DcsConfiguration.create();
-<a class="jxr_linenumber" name="122" href="#122">122</a>     String myAddress
= Strings.domainNamePointerToHostName(DNS.getDefaultHost(
-<a class="jxr_linenumber" name="123" href="#123">123</a>         conf.get(<span
class="jxr_string">"dcs.zookeeper.dns.interface"</span>,<span class="jxr_string">"default"</span>),
-<a class="jxr_linenumber" name="124" href="#124">124</a>         conf.get(<span
class="jxr_string">"dcs.zookeeper.dns.nameserver"</span>,<span class="jxr_string">"default"</span>)));
-<a class="jxr_linenumber" name="125" href="#125">125</a> 
-<a class="jxr_linenumber" name="126" href="#126">126</a>     List&lt;String&gt;
ips = <strong class="jxr_keyword">new</strong> ArrayList&lt;String&gt;();
-<a class="jxr_linenumber" name="127" href="#127">127</a> 
-<a class="jxr_linenumber" name="128" href="#128">128</a>     <em class="jxr_comment">//
Add what could be the best (configured) match</em>
-<a class="jxr_linenumber" name="129" href="#129">129</a>     ips.add(myAddress.contains(<span
class="jxr_string">"."</span>) ?
-<a class="jxr_linenumber" name="130" href="#130">130</a>         myAddress :
-<a class="jxr_linenumber" name="131" href="#131">131</a>         StringUtils.simpleHostname(myAddress));
-<a class="jxr_linenumber" name="132" href="#132">132</a> 
-<a class="jxr_linenumber" name="133" href="#133">133</a>     <em class="jxr_comment">//
For all nics get all hostnames and IPs</em>
-<a class="jxr_linenumber" name="134" href="#134">134</a>     Enumeration&lt;?&gt;
nics = NetworkInterface.getNetworkInterfaces();
-<a class="jxr_linenumber" name="135" href="#135">135</a>     <strong class="jxr_keyword">while</strong>(nics.hasMoreElements())
{
-<a class="jxr_linenumber" name="136" href="#136">136</a>       Enumeration&lt;?&gt;
rawAdrs =
-<a class="jxr_linenumber" name="137" href="#137">137</a>           ((NetworkInterface)nics.nextElement()).getInetAddresses();
-<a class="jxr_linenumber" name="138" href="#138">138</a>       <strong class="jxr_keyword">while</strong>(rawAdrs.hasMoreElements())
{
-<a class="jxr_linenumber" name="139" href="#139">139</a>         InetAddress
inet = (InetAddress) rawAdrs.nextElement();
-<a class="jxr_linenumber" name="140" href="#140">140</a>         ips.add(StringUtils.simpleHostname(inet.getHostName()));
-<a class="jxr_linenumber" name="141" href="#141">141</a>         ips.add(inet.getHostAddress());
-<a class="jxr_linenumber" name="142" href="#142">142</a>       }
-<a class="jxr_linenumber" name="143" href="#143">143</a>     }
-<a class="jxr_linenumber" name="144" href="#144">144</a> 
-<a class="jxr_linenumber" name="145" href="#145">145</a>     <strong class="jxr_keyword">for</strong>
(Entry&lt;Object, Object&gt; entry : properties.entrySet()) {
-<a class="jxr_linenumber" name="146" href="#146">146</a>       String key = entry.getKey().toString().trim();
-<a class="jxr_linenumber" name="147" href="#147">147</a>       String value =
entry.getValue().toString().trim();
-<a class="jxr_linenumber" name="148" href="#148">148</a>       <strong class="jxr_keyword">if</strong>
(key.startsWith(<span class="jxr_string">"server."</span>)) {
-<a class="jxr_linenumber" name="149" href="#149">149</a>         <strong class="jxr_keyword">int</strong>
dot = key.indexOf('.');
-<a class="jxr_linenumber" name="150" href="#150">150</a>         <strong class="jxr_keyword">long</strong>
id = Long.parseLong(key.substring(dot + 1));
-<a class="jxr_linenumber" name="151" href="#151">151</a>         String[] parts
= value.split(<span class="jxr_string">":"</span>);
-<a class="jxr_linenumber" name="152" href="#152">152</a>         String address
= parts[0];
-<a class="jxr_linenumber" name="153" href="#153">153</a>         <strong class="jxr_keyword">if</strong>
(addressIsLocalHost(address) || ips.contains(address)) {
-<a class="jxr_linenumber" name="154" href="#154">154</a>           myId = id;
-<a class="jxr_linenumber" name="155" href="#155">155</a>           <strong
class="jxr_keyword">break</strong>;
-<a class="jxr_linenumber" name="156" href="#156">156</a>         }
-<a class="jxr_linenumber" name="157" href="#157">157</a>       }
-<a class="jxr_linenumber" name="158" href="#158">158</a>     }
-<a class="jxr_linenumber" name="159" href="#159">159</a> 
-<a class="jxr_linenumber" name="160" href="#160">160</a>     <em class="jxr_comment">//
Set the max session timeout from the provided client-side timeout</em>
-<a class="jxr_linenumber" name="161" href="#161">161</a>     properties.setProperty(<span
class="jxr_string">"maxSessionTimeout"</span>,
-<a class="jxr_linenumber" name="162" href="#162">162</a>         conf.get(<span
class="jxr_string">"zookeeper.session.timeout"</span>, <span class="jxr_string">"180000"</span>));
-<a class="jxr_linenumber" name="163" href="#163">163</a> 
-<a class="jxr_linenumber" name="164" href="#164">164</a>     <strong class="jxr_keyword">if</strong>
(myId == -1) {
-<a class="jxr_linenumber" name="165" href="#165">165</a>       <strong class="jxr_keyword">throw</strong>
<strong class="jxr_keyword">new</strong> IOException(<span class="jxr_string">"Could
not find my address: "</span> + myAddress +
-<a class="jxr_linenumber" name="166" href="#166">166</a>                    
        <span class="jxr_string">" in list of ZooKeeper quorum servers"</span>);
-<a class="jxr_linenumber" name="167" href="#167">167</a>     }
-<a class="jxr_linenumber" name="168" href="#168">168</a> 
-<a class="jxr_linenumber" name="169" href="#169">169</a>     String dataDirStr
= properties.get(<span class="jxr_string">"dataDir"</span>).toString().trim();
-<a class="jxr_linenumber" name="170" href="#170">170</a>     File dataDir = <strong
class="jxr_keyword">new</strong> File(dataDirStr);
-<a class="jxr_linenumber" name="171" href="#171">171</a>     <strong class="jxr_keyword">if</strong>
(!dataDir.isDirectory()) {
-<a class="jxr_linenumber" name="172" href="#172">172</a>       <strong class="jxr_keyword">if</strong>
(!dataDir.mkdirs()) {
-<a class="jxr_linenumber" name="173" href="#173">173</a>         <strong class="jxr_keyword">throw</strong>
<strong class="jxr_keyword">new</strong> IOException(<span class="jxr_string">"Unable
to create data dir "</span> + dataDir);
-<a class="jxr_linenumber" name="174" href="#174">174</a>       }
-<a class="jxr_linenumber" name="175" href="#175">175</a>     }
-<a class="jxr_linenumber" name="176" href="#176">176</a> 
-<a class="jxr_linenumber" name="177" href="#177">177</a>     File myIdFile =
<strong class="jxr_keyword">new</strong> File(dataDir, <span class="jxr_string">"myid"</span>);
-<a class="jxr_linenumber" name="178" href="#178">178</a>     PrintWriter w =
<strong class="jxr_keyword">new</strong> PrintWriter(myIdFile);
-<a class="jxr_linenumber" name="179" href="#179">179</a>     w.println(myId);
-<a class="jxr_linenumber" name="180" href="#180">180</a>     w.close();
-<a class="jxr_linenumber" name="181" href="#181">181</a>   }
-<a class="jxr_linenumber" name="182" href="#182">182</a> }
+<a class="jxr_linenumber" name="22" href="#22">22</a>  <em class="jxr_javadoccomment">*/</em>
+<a class="jxr_linenumber" name="23" href="#23">23</a>  <strong class="jxr_keyword">package</strong>
org.trafodion.dcs.zookeeper;
+<a class="jxr_linenumber" name="24" href="#24">24</a>  
+<a class="jxr_linenumber" name="25" href="#25">25</a>  <strong class="jxr_keyword">import</strong>
java.io.File;
+<a class="jxr_linenumber" name="26" href="#26">26</a>  <strong class="jxr_keyword">import</strong>
java.io.IOException;
+<a class="jxr_linenumber" name="27" href="#27">27</a>  <strong class="jxr_keyword">import</strong>
java.io.PrintWriter;
+<a class="jxr_linenumber" name="28" href="#28">28</a>  <strong class="jxr_keyword">import</strong>
java.net.InetAddress;
+<a class="jxr_linenumber" name="29" href="#29">29</a>  <strong class="jxr_keyword">import</strong>
java.net.NetworkInterface;
+<a class="jxr_linenumber" name="30" href="#30">30</a>  <strong class="jxr_keyword">import</strong>
java.net.UnknownHostException;
+<a class="jxr_linenumber" name="31" href="#31">31</a>  <strong class="jxr_keyword">import</strong>
java.util.ArrayList;
+<a class="jxr_linenumber" name="32" href="#32">32</a>  <strong class="jxr_keyword">import</strong>
java.util.Enumeration;
+<a class="jxr_linenumber" name="33" href="#33">33</a>  <strong class="jxr_keyword">import</strong>
java.util.List;
+<a class="jxr_linenumber" name="34" href="#34">34</a>  <strong class="jxr_keyword">import</strong>
java.util.Properties;
+<a class="jxr_linenumber" name="35" href="#35">35</a>  <strong class="jxr_keyword">import</strong>
java.util.Map.Entry;
+<a class="jxr_linenumber" name="36" href="#36">36</a>  
+<a class="jxr_linenumber" name="37" href="#37">37</a>  <strong class="jxr_keyword">import</strong>
org.apache.hadoop.conf.Configuration;
+<a class="jxr_linenumber" name="38" href="#38">38</a>  <strong class="jxr_keyword">import</strong>
org.trafodion.dcs.util.DcsConfiguration;
+<a class="jxr_linenumber" name="39" href="#39">39</a>  <strong class="jxr_keyword">import</strong>
org.trafodion.dcs.util.Strings;
+<a class="jxr_linenumber" name="40" href="#40">40</a>  <strong class="jxr_keyword">import</strong>
org.apache.hadoop.net.DNS;
+<a class="jxr_linenumber" name="41" href="#41">41</a>  <strong class="jxr_keyword">import</strong>
org.apache.hadoop.util.StringUtils;
+<a class="jxr_linenumber" name="42" href="#42">42</a>  <strong class="jxr_keyword">import</strong>
org.apache.zookeeper.server.ServerConfig;
+<a class="jxr_linenumber" name="43" href="#43">43</a>  <strong class="jxr_keyword">import</strong>
org.apache.zookeeper.server.ZooKeeperServerMain;
+<a class="jxr_linenumber" name="44" href="#44">44</a>  <strong class="jxr_keyword">import</strong>
org.apache.zookeeper.server.quorum.QuorumPeerConfig;
+<a class="jxr_linenumber" name="45" href="#45">45</a>  <strong class="jxr_keyword">import</strong>
org.apache.zookeeper.server.quorum.QuorumPeerMain;
+<a class="jxr_linenumber" name="46" href="#46">46</a>  
+<a class="jxr_linenumber" name="47" href="#47">47</a>  <strong class="jxr_keyword">import</strong>
org.apache.commons.logging.Log;
+<a class="jxr_linenumber" name="48" href="#48">48</a>  <strong class="jxr_keyword">import</strong>
org.apache.commons.logging.LogFactory;
+<a class="jxr_linenumber" name="49" href="#49">49</a>  <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="50" href="#50">50</a>  <em class="jxr_javadoccomment">
* DCS's version of ZooKeeper's QuorumPeer. When DCS is set to manage</em>
+<a class="jxr_linenumber" name="51" href="#51">51</a>  <em class="jxr_javadoccomment">
* ZooKeeper, this class is used to start up QuorumPeer instances. By doing</em>
+<a class="jxr_linenumber" name="52" href="#52">52</a>  <em class="jxr_javadoccomment">
* things in here rather than directly calling to ZooKeeper, we have more</em>
+<a class="jxr_linenumber" name="53" href="#53">53</a>  <em class="jxr_javadoccomment">
* control over the process. This class uses {@link ZKConfig} to parse the</em>
+<a class="jxr_linenumber" name="54" href="#54">54</a>  <em class="jxr_javadoccomment">
* zoo.cfg and inject variables from DCS's site.xml configuration in.</em>
+<a class="jxr_linenumber" name="55" href="#55">55</a>  <em class="jxr_javadoccomment">
*/</em>
+<a class="jxr_linenumber" name="56" href="#56">56</a>  <strong class="jxr_keyword">public</strong>
<strong class="jxr_keyword">class</strong> <a href="../../../../org/trafodion/dcs/zookeeper/DcsQuorumPeer.html">DcsQuorumPeer</a>
{
+<a class="jxr_linenumber" name="57" href="#57">57</a>    <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="58" href="#58">58</a>  <em class="jxr_javadoccomment">
  * Parse ZooKeeper configuration from DCS XML config and run a QuorumPeer.</em>
+<a class="jxr_linenumber" name="59" href="#59">59</a>  <em class="jxr_javadoccomment">
  * @param args String[] of command line arguments. Not used.</em>
+<a class="jxr_linenumber" name="60" href="#60">60</a>  <em class="jxr_javadoccomment">
  */</em>
+<a class="jxr_linenumber" name="61" href="#61">61</a>  	<strong class="jxr_keyword">private</strong>
<strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong>
Log LOG = LogFactory.getLog(DcsQuorumPeer.<strong class="jxr_keyword">class</strong>.getName());
+<a class="jxr_linenumber" name="62" href="#62">62</a>  	
+<a class="jxr_linenumber" name="63" href="#63">63</a>  	<strong class="jxr_keyword">public</strong>
<a href="../../../../org/trafodion/dcs/zookeeper/DcsQuorumPeer.html">DcsQuorumPeer</a>()
{
+<a class="jxr_linenumber" name="64" href="#64">64</a>  		Configuration conf =
DcsConfiguration.create();
+<a class="jxr_linenumber" name="65" href="#65">65</a>  		<strong class="jxr_keyword">try</strong>
{
+<a class="jxr_linenumber" name="66" href="#66">66</a>  			Properties zkProperties
= ZKConfig.makeZKProps(conf);
+<a class="jxr_linenumber" name="67" href="#67">67</a>  			writeMyID(zkProperties);
+<a class="jxr_linenumber" name="68" href="#68">68</a>  			QuorumPeerConfig zkConfig
= <strong class="jxr_keyword">new</strong> QuorumPeerConfig();
+<a class="jxr_linenumber" name="69" href="#69">69</a>  			zkConfig.parseProperties(zkProperties);
+<a class="jxr_linenumber" name="70" href="#70">70</a>  			System.out.println(<span
class="jxr_string">"running Zookeeper"</span>);
+<a class="jxr_linenumber" name="71" href="#71">71</a>  			runZKServer(zkConfig);
+<a class="jxr_linenumber" name="72" href="#72">72</a>  		} <strong class="jxr_keyword">catch</strong>
(Exception e) {
+<a class="jxr_linenumber" name="73" href="#73">73</a>  			e.printStackTrace();
+<a class="jxr_linenumber" name="74" href="#74">74</a>  			System.exit(-1);
+<a class="jxr_linenumber" name="75" href="#75">75</a>  		}
+<a class="jxr_linenumber" name="76" href="#76">76</a>  	}
+<a class="jxr_linenumber" name="77" href="#77">77</a>    
+<a class="jxr_linenumber" name="78" href="#78">78</a>    <strong class="jxr_keyword">public</strong>
<strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">void</strong>
main(String[] args) {
+<a class="jxr_linenumber" name="79" href="#79">79</a>  	  DcsQuorumPeer qp =
<strong class="jxr_keyword">new</strong> DcsQuorumPeer();
+<a class="jxr_linenumber" name="80" href="#80">80</a>    }
+<a class="jxr_linenumber" name="81" href="#81">81</a>  
+<a class="jxr_linenumber" name="82" href="#82">82</a>    <strong class="jxr_keyword">private</strong>
<strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">void</strong>
runZKServer(QuorumPeerConfig zkConfig) <strong class="jxr_keyword">throws</strong>
UnknownHostException, IOException {
+<a class="jxr_linenumber" name="83" href="#83">83</a>      <strong class="jxr_keyword">if</strong>
(zkConfig.isDistributed()) {
+<a class="jxr_linenumber" name="84" href="#84">84</a>        QuorumPeerMain qp
= <strong class="jxr_keyword">new</strong> QuorumPeerMain();
+<a class="jxr_linenumber" name="85" href="#85">85</a>        qp.runFromConfig(zkConfig);
+<a class="jxr_linenumber" name="86" href="#86">86</a>      } <strong class="jxr_keyword">else</strong>
{
+<a class="jxr_linenumber" name="87" href="#87">87</a>        ZooKeeperServerMain
zk = <strong class="jxr_keyword">new</strong> ZooKeeperServerMain();
+<a class="jxr_linenumber" name="88" href="#88">88</a>        ServerConfig serverConfig
= <strong class="jxr_keyword">new</strong> ServerConfig();
+<a class="jxr_linenumber" name="89" href="#89">89</a>        serverConfig.readFrom(zkConfig);
+<a class="jxr_linenumber" name="90" href="#90">90</a>        zk.runFromConfig(serverConfig);
+<a class="jxr_linenumber" name="91" href="#91">91</a>      }
+<a class="jxr_linenumber" name="92" href="#92">92</a>    }
+<a class="jxr_linenumber" name="93" href="#93">93</a>  
+<a class="jxr_linenumber" name="94" href="#94">94</a>    <strong class="jxr_keyword">private</strong>
<strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">boolean</strong>
addressIsLocalHost(String address) {
+<a class="jxr_linenumber" name="95" href="#95">95</a>      <strong class="jxr_keyword">return</strong>
address.equals(<span class="jxr_string">"localhost"</span>) || address.equals(<span
class="jxr_string">"127.0.0.1"</span>);
+<a class="jxr_linenumber" name="96" href="#96">96</a>    }
+<a class="jxr_linenumber" name="97" href="#97">97</a>  
+<a class="jxr_linenumber" name="98" href="#98">98</a>    <strong class="jxr_keyword">static</strong>
<strong class="jxr_keyword">void</strong> writeMyID(Properties properties) <strong
class="jxr_keyword">throws</strong> IOException {
+<a class="jxr_linenumber" name="99" href="#99">99</a>      <strong class="jxr_keyword">long</strong>
myId = -1;
+<a class="jxr_linenumber" name="100" href="#100">100</a> 
+<a class="jxr_linenumber" name="101" href="#101">101</a>     Configuration conf
= DcsConfiguration.create();
+<a class="jxr_linenumber" name="102" href="#102">102</a>     String myAddress
= Strings.domainNamePointerToHostName(DNS.getDefaultHost(
+<a class="jxr_linenumber" name="103" href="#103">103</a>         conf.get(<span
class="jxr_string">"dcs.zookeeper.dns.interface"</span>,<span class="jxr_string">"default"</span>),
+<a class="jxr_linenumber" name="104" href="#104">104</a>         conf.get(<span
class="jxr_string">"dcs.zookeeper.dns.nameserver"</span>,<span class="jxr_string">"default"</span>)));
+<a class="jxr_linenumber" name="105" href="#105">105</a> 
+<a class="jxr_linenumber" name="106" href="#106">106</a>     List&lt;String&gt;
ips = <strong class="jxr_keyword">new</strong> ArrayList&lt;String&gt;();
+<a class="jxr_linenumber" name="107" href="#107">107</a> 
+<a class="jxr_linenumber" name="108" href="#108">108</a>     <em class="jxr_comment">//
Add what could be the best (configured) match</em>
+<a class="jxr_linenumber" name="109" href="#109">109</a>     ips.add(myAddress.contains(<span
class="jxr_string">"."</span>) ?
+<a class="jxr_linenumber" name="110" href="#110">110</a>         myAddress :
+<a class="jxr_linenumber" name="111" href="#111">111</a>         StringUtils.simpleHostname(myAddress));
+<a class="jxr_linenumber" name="112" href="#112">112</a> 
+<a class="jxr_linenumber" name="113" href="#113">113</a>     <em class="jxr_comment">//
For all nics get all hostnames and IPs</em>
+<a class="jxr_linenumber" name="114" href="#114">114</a>     Enumeration&lt;?&gt;
nics = NetworkInterface.getNetworkInterfaces();
+<a class="jxr_linenumber" name="115" href="#115">115</a>     <strong class="jxr_keyword">while</strong>(nics.hasMoreElements())
{
+<a class="jxr_linenumber" name="116" href="#116">116</a>       Enumeration&lt;?&gt;
rawAdrs =
+<a class="jxr_linenumber" name="117" href="#117">117</a>           ((NetworkInterface)nics.nextElement()).getInetAddresses();
+<a class="jxr_linenumber" name="118" href="#118">118</a>       <strong class="jxr_keyword">while</strong>(rawAdrs.hasMoreElements())
{
+<a class="jxr_linenumber" name="119" href="#119">119</a>         InetAddress
inet = (InetAddress) rawAdrs.nextElement();
+<a class="jxr_linenumber" name="120" href="#120">120</a>         ips.add(StringUtils.simpleHostname(inet.getHostName()));
+<a class="jxr_linenumber" name="121" href="#121">121</a>         ips.add(inet.getHostAddress());
+<a class="jxr_linenumber" name="122" href="#122">122</a>       }
+<a class="jxr_linenumber" name="123" href="#123">123</a>     }
+<a class="jxr_linenumber" name="124" href="#124">124</a> 
+<a class="jxr_linenumber" name="125" href="#125">125</a>     <strong class="jxr_keyword">for</strong>
(Entry&lt;Object, Object&gt; entry : properties.entrySet()) {
+<a class="jxr_linenumber" name="126" href="#126">126</a>       String key = entry.getKey().toString().trim();
+<a class="jxr_linenumber" name="127" href="#127">127</a>       String value =
entry.getValue().toString().trim();
+<a class="jxr_linenumber" name="128" href="#128">128</a>       <strong class="jxr_keyword">if</strong>
(key.startsWith(<span class="jxr_string">"server."</span>)) {
+<a class="jxr_linenumber" name="129" href="#129">129</a>         <strong class="jxr_keyword">int</strong>
dot = key.indexOf('.');
+<a class="jxr_linenumber" name="130" href="#130">130</a>         <strong class="jxr_keyword">long</strong>
id = Long.parseLong(key.substring(dot + 1));
+<a class="jxr_linenumber" name="131" href="#131">131</a>         String[] parts
= value.split(<span class="jxr_string">":"</span>);
+<a class="jxr_linenumber" name="132" href="#132">132</a>         String address
= parts[0];
+<a class="jxr_linenumber" name="133" href="#133">133</a>         <strong class="jxr_keyword">if</strong>
(addressIsLocalHost(address) || ips.contains(address)) {
+<a class="jxr_linenumber" name="134" href="#134">134</a>           myId = id;
+<a class="jxr_linenumber" name="135" href="#135">135</a>           <strong
class="jxr_keyword">break</strong>;
+<a class="jxr_linenumber" name="136" href="#136">136</a>         }
+<a class="jxr_linenumber" name="137" href="#137">137</a>       }
+<a class="jxr_linenumber" name="138" href="#138">138</a>     }
+<a class="jxr_linenumber" name="139" href="#139">139</a> 
+<a class="jxr_linenumber" name="140" href="#140">140</a>     <em class="jxr_comment">//
Set the max session timeout from the provided client-side timeout</em>
+<a class="jxr_linenumber" name="141" href="#141">141</a>     properties.setProperty(<span
class="jxr_string">"maxSessionTimeout"</span>,
+<a class="jxr_linenumber" name="142" href="#142">142</a>         conf.get(<span
class="jxr_string">"zookeeper.session.timeout"</span>, <span class="jxr_string">"180000"</span>));
+<a class="jxr_linenumber" name="143" href="#143">143</a> 
+<a class="jxr_linenumber" name="144" href="#144">144</a>     <strong class="jxr_keyword">if</strong>
(myId == -1) {
+<a class="jxr_linenumber" name="145" href="#145">145</a>       <strong class="jxr_keyword">throw</strong>
<strong class="jxr_keyword">new</strong> IOException(<span class="jxr_string">"Could
not find my address: "</span> + myAddress +
+<a class="jxr_linenumber" name="146" href="#146">146</a>                    
        <span class="jxr_string">" in list of ZooKeeper quorum servers"</span>);
+<a class="jxr_linenumber" name="147" href="#147">147</a>     }
+<a class="jxr_linenumber" name="148" href="#148">148</a> 
+<a class="jxr_linenumber" name="149" href="#149">149</a>     String dataDirStr
= properties.get(<span class="jxr_string">"dataDir"</span>).toString().trim();
+<a class="jxr_linenumber" name="150" href="#150">150</a>     File dataDir = <strong
class="jxr_keyword">new</strong> File(dataDirStr);
+<a class="jxr_linenumber" name="151" href="#151">151</a>     <strong class="jxr_keyword">if</strong>
(!dataDir.isDirectory()) {
+<a class="jxr_linenumber" name="152" href="#152">152</a>       <strong class="jxr_keyword">if</strong>
(!dataDir.mkdirs()) {
+<a class="jxr_linenumber" name="153" href="#153">153</a>         <strong class="jxr_keyword">throw</strong>
<strong class="jxr_keyword">new</strong> IOException(<span class="jxr_string">"Unable
to create data dir "</span> + dataDir);
+<a class="jxr_linenumber" name="154" href="#154">154</a>       }
+<a class="jxr_linenumber" name="155" href="#155">155</a>     }
+<a class="jxr_linenumber" name="156" href="#156">156</a> 
+<a class="jxr_linenumber" name="157" href="#157">157</a>     File myIdFile =
<strong class="jxr_keyword">new</strong> File(dataDir, <span class="jxr_string">"myid"</span>);
+<a class="jxr_linenumber" name="158" href="#158">158</a>     PrintWriter w =
<strong class="jxr_keyword">new</strong> PrintWriter(myIdFile);
+<a class="jxr_linenumber" name="159" href="#159">159</a>     w.println(myId);
+<a class="jxr_linenumber" name="160" href="#160">160</a>     w.close();
+<a class="jxr_linenumber" name="161" href="#161">161</a>   }
+<a class="jxr_linenumber" name="162" href="#162">162</a> }
 </pre>
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