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| <a class="jxr_linenumber" name="1" href="#1">1</a> <em class="jxr_javadoccomment">/**</em> |
| <a class="jxr_linenumber" name="2" href="#2">2</a> <em class="jxr_javadoccomment">* @@@ START COPYRIGHT @@@</em> |
| <a class="jxr_linenumber" name="3" href="#3">3</a> |
| <a class="jxr_linenumber" name="4" href="#4">4</a> <em class="jxr_javadoccomment">Licensed to the Apache Software Foundation (ASF) under one</em> |
| <a class="jxr_linenumber" name="5" href="#5">5</a> <em class="jxr_javadoccomment">or more contributor license agreements. See the NOTICE file</em> |
| <a class="jxr_linenumber" name="6" href="#6">6</a> <em class="jxr_javadoccomment">distributed with this work for additional information</em> |
| <a class="jxr_linenumber" name="7" href="#7">7</a> <em class="jxr_javadoccomment">regarding copyright ownership. The ASF licenses this file</em> |
| <a class="jxr_linenumber" name="8" href="#8">8</a> <em class="jxr_javadoccomment">to you under the Apache License, Version 2.0 (the</em> |
| <a class="jxr_linenumber" name="9" href="#9">9</a> <em class="jxr_javadoccomment">"License"); you may not use this file except in compliance</em> |
| <a class="jxr_linenumber" name="10" href="#10">10</a> <em class="jxr_javadoccomment">with the License. You may obtain a copy of the License at</em> |
| <a class="jxr_linenumber" name="11" href="#11">11</a> |
| <a class="jxr_linenumber" name="12" href="#12">12</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="13" href="#13">13</a> |
| <a class="jxr_linenumber" name="14" href="#14">14</a> <em class="jxr_javadoccomment">Unless required by applicable law or agreed to in writing,</em> |
| <a class="jxr_linenumber" name="15" href="#15">15</a> <em class="jxr_javadoccomment">software distributed under the License is distributed on an</em> |
| <a class="jxr_linenumber" name="16" href="#16">16</a> <em class="jxr_javadoccomment">"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY</em> |
| <a class="jxr_linenumber" name="17" href="#17">17</a> <em class="jxr_javadoccomment">KIND, either express or implied. See the License for the</em> |
| <a class="jxr_linenumber" name="18" href="#18">18</a> <em class="jxr_javadoccomment">specific language governing permissions and limitations</em> |
| <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> <strong class="jxr_keyword">package</strong> org.trafodion.dcs.master.listener; |
| <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.net.*; |
| <a class="jxr_linenumber" name="26" href="#26">26</a> <strong class="jxr_keyword">import</strong> java.io.*; |
| <a class="jxr_linenumber" name="27" href="#27">27</a> <strong class="jxr_keyword">import</strong> java.nio.*; |
| <a class="jxr_linenumber" name="28" href="#28">28</a> <strong class="jxr_keyword">import</strong> java.nio.channels.*; |
| <a class="jxr_linenumber" name="29" href="#29">29</a> <strong class="jxr_keyword">import</strong> java.nio.channels.spi.*; |
| <a class="jxr_linenumber" name="30" href="#30">30</a> <strong class="jxr_keyword">import</strong> java.util.LinkedList; |
| <a class="jxr_linenumber" name="31" href="#31">31</a> <strong class="jxr_keyword">import</strong> java.util.List; |
| <a class="jxr_linenumber" name="32" href="#32">32</a> <strong class="jxr_keyword">import</strong> org.apache.commons.logging.Log; |
| <a class="jxr_linenumber" name="33" href="#33">33</a> <strong class="jxr_keyword">import</strong> org.apache.commons.logging.LogFactory; |
| <a class="jxr_linenumber" name="34" href="#34">34</a> <strong class="jxr_keyword">import</strong> org.apache.zookeeper.ZooDefs; |
| <a class="jxr_linenumber" name="35" href="#35">35</a> <strong class="jxr_keyword">import</strong> org.apache.zookeeper.data.Stat; |
| <a class="jxr_linenumber" name="36" href="#36">36</a> <strong class="jxr_keyword">import</strong> org.apache.zookeeper.CreateMode; |
| <a class="jxr_linenumber" name="37" href="#37">37</a> <strong class="jxr_keyword">import</strong> org.apache.zookeeper.ZooKeeper; |
| <a class="jxr_linenumber" name="38" href="#38">38</a> <strong class="jxr_keyword">import</strong> org.trafodion.dcs.zookeeper.ZkClient; |
| <a class="jxr_linenumber" name="39" href="#39">39</a> <strong class="jxr_keyword">import</strong> org.trafodion.dcs.Constants; |
| <a class="jxr_linenumber" name="40" href="#40">40</a> |
| <a class="jxr_linenumber" name="41" href="#41">41</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../../org/trafodion/dcs/master/listener/ListenerWorker.html">ListenerWorker</a> <strong class="jxr_keyword">extends</strong> Thread { |
| <a class="jxr_linenumber" name="42" href="#42">42</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> Log LOG = LogFactory.getLog(ListenerWorker.<strong class="jxr_keyword">class</strong>); |
| <a class="jxr_linenumber" name="43" href="#43">43</a> <strong class="jxr_keyword">private</strong> List<DataEvent> queue = <strong class="jxr_keyword">new</strong> LinkedList<DataEvent>(); |
| <a class="jxr_linenumber" name="44" href="#44">44</a> <strong class="jxr_keyword">private</strong> <a href="../../../../../org/trafodion/dcs/zookeeper/ZkClient.html">ZkClient</a> zkc=<strong class="jxr_keyword">null</strong>; |
| <a class="jxr_linenumber" name="45" href="#45">45</a> <a href="../../../../../org/trafodion/dcs/master/listener/ConnectReply.html">ConnectReply</a> connectReplay = <strong class="jxr_keyword">null</strong>; |
| <a class="jxr_linenumber" name="46" href="#46">46</a> <strong class="jxr_keyword">private</strong> String parentZnode; |
| <a class="jxr_linenumber" name="47" href="#47">47</a> |
| <a class="jxr_linenumber" name="48" href="#48">48</a> <strong class="jxr_keyword">private</strong> <a href="../../../../../org/trafodion/dcs/master/listener/RequestGetObjectRef.html">RequestGetObjectRef</a> requestGetObjectRef = <strong class="jxr_keyword">null</strong>; |
| <a class="jxr_linenumber" name="49" href="#49">49</a> <strong class="jxr_keyword">private</strong> <a href="../../../../../org/trafodion/dcs/master/listener/RequestCancelQuery.html">RequestCancelQuery</a> requestCancelQuery = <strong class="jxr_keyword">null</strong>; |
| <a class="jxr_linenumber" name="50" href="#50">50</a> <strong class="jxr_keyword">private</strong> <a href="../../../../../org/trafodion/dcs/master/listener/RequestUnknown.html">RequestUnknown</a> requestUnknown = <strong class="jxr_keyword">null</strong>; |
| <a class="jxr_linenumber" name="51" href="#51">51</a> |
| <a class="jxr_linenumber" name="52" href="#52">52</a> <strong class="jxr_keyword">static</strong> |
| <a class="jxr_linenumber" name="53" href="#53">53</a> { |
| <a class="jxr_linenumber" name="54" href="#54">54</a> <strong class="jxr_keyword">try</strong> { |
| <a class="jxr_linenumber" name="55" href="#55">55</a> Class.forName(Constants.T2_DRIVER_CLASS_NAME); |
| <a class="jxr_linenumber" name="56" href="#56">56</a> } <strong class="jxr_keyword">catch</strong> (Exception e) { |
| <a class="jxr_linenumber" name="57" href="#57">57</a> e.printStackTrace(); |
| <a class="jxr_linenumber" name="58" href="#58">58</a> <strong class="jxr_keyword">if</strong>(LOG.isDebugEnabled()) |
| <a class="jxr_linenumber" name="59" href="#59">59</a> LOG.error(<span class="jxr_string">"T2 Driver Class not found in CLASSPATH :"</span> + e.getMessage()); |
| <a class="jxr_linenumber" name="60" href="#60">60</a> System.exit(-1); |
| <a class="jxr_linenumber" name="61" href="#61">61</a> } |
| <a class="jxr_linenumber" name="62" href="#62">62</a> } |
| <a class="jxr_linenumber" name="63" href="#63">63</a> <a href="../../../../../org/trafodion/dcs/master/listener/ListenerWorker.html">ListenerWorker</a>(<a href="../../../../../org/trafodion/dcs/zookeeper/ZkClient.html">ZkClient</a> zkc,String parentZnode){ |
| <a class="jxr_linenumber" name="64" href="#64">64</a> <strong class="jxr_keyword">this</strong>.zkc=zkc; |
| <a class="jxr_linenumber" name="65" href="#65">65</a> <strong class="jxr_keyword">this</strong>.parentZnode=parentZnode; |
| <a class="jxr_linenumber" name="66" href="#66">66</a> connectReplay = <strong class="jxr_keyword">new</strong> <a href="../../../../../org/trafodion/dcs/master/listener/ConnectReply.html">ConnectReply</a>(zkc,parentZnode); |
| <a class="jxr_linenumber" name="67" href="#67">67</a> |
| <a class="jxr_linenumber" name="68" href="#68">68</a> requestGetObjectRef = <strong class="jxr_keyword">new</strong> <a href="../../../../../org/trafodion/dcs/master/listener/RequestGetObjectRef.html">RequestGetObjectRef</a>(zkc,parentZnode); |
| <a class="jxr_linenumber" name="69" href="#69">69</a> requestCancelQuery = <strong class="jxr_keyword">new</strong> <a href="../../../../../org/trafodion/dcs/master/listener/RequestCancelQuery.html">RequestCancelQuery</a>(zkc,parentZnode); |
| <a class="jxr_linenumber" name="70" href="#70">70</a> requestUnknown = <strong class="jxr_keyword">new</strong> <a href="../../../../../org/trafodion/dcs/master/listener/RequestUnknown.html">RequestUnknown</a>(zkc,parentZnode); |
| <a class="jxr_linenumber" name="71" href="#71">71</a> |
| <a class="jxr_linenumber" name="72" href="#72">72</a> System.setProperty(<span class="jxr_string">"hbaseclient.log4j.properties"</span>,System.getProperty(<span class="jxr_string">"dcs.conf.dir"</span>) + <span class="jxr_string">"/log4j.properties"</span>); |
| <a class="jxr_linenumber" name="73" href="#73">73</a> System.setProperty(<span class="jxr_string">"dcs.root.logger"</span>,System.getProperty(<span class="jxr_string">"dcs.root.logger"</span>)); |
| <a class="jxr_linenumber" name="74" href="#74">74</a> System.setProperty(<span class="jxr_string">"dcs.log.dir"</span>,System.getProperty(<span class="jxr_string">"dcs.log.dir"</span>)); |
| <a class="jxr_linenumber" name="75" href="#75">75</a> System.setProperty(<span class="jxr_string">"dcs.log.file"</span>,System.getProperty(<span class="jxr_string">"dcs.log.file"</span>)); |
| <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">void</strong> processData(<a href="../../../../../org/trafodion/dcs/master/listener/ListenerService.html">ListenerService</a> server, SelectionKey key) { |
| <a class="jxr_linenumber" name="79" href="#79">79</a> <strong class="jxr_keyword">synchronized</strong>(queue) { |
| <a class="jxr_linenumber" name="80" href="#80">80</a> queue.add(<strong class="jxr_keyword">new</strong> <a href="../../../../../org/trafodion/dcs/master/listener/DataEvent.html">DataEvent</a>(server, key)); |
| <a class="jxr_linenumber" name="81" href="#81">81</a> queue.notify(); |
| <a class="jxr_linenumber" name="82" href="#82">82</a> } |
| <a class="jxr_linenumber" name="83" href="#83">83</a> } |
| <a class="jxr_linenumber" name="84" href="#84">84</a> |
| <a class="jxr_linenumber" name="85" href="#85">85</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> run() { |
| <a class="jxr_linenumber" name="86" href="#86">86</a> <a href="../../../../../org/trafodion/dcs/master/listener/DataEvent.html">DataEvent</a> dataEvent; |
| <a class="jxr_linenumber" name="87" href="#87">87</a> |
| <a class="jxr_linenumber" name="88" href="#88">88</a> <strong class="jxr_keyword">while</strong>(<strong class="jxr_keyword">true</strong>) { |
| <a class="jxr_linenumber" name="89" href="#89">89</a> <strong class="jxr_keyword">try</strong> { |
| <a class="jxr_linenumber" name="90" href="#90">90</a> <em class="jxr_comment">// Wait for data to become available</em> |
| <a class="jxr_linenumber" name="91" href="#91">91</a> <strong class="jxr_keyword">synchronized</strong>(queue) { |
| <a class="jxr_linenumber" name="92" href="#92">92</a> <strong class="jxr_keyword">while</strong>(queue.isEmpty()) { |
| <a class="jxr_linenumber" name="93" href="#93">93</a> <strong class="jxr_keyword">try</strong> { |
| <a class="jxr_linenumber" name="94" href="#94">94</a> queue.wait(); |
| <a class="jxr_linenumber" name="95" href="#95">95</a> } <strong class="jxr_keyword">catch</strong> (InterruptedException e) { |
| <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> dataEvent = queue.remove(0); |
| <a class="jxr_linenumber" name="99" href="#99">99</a> } |
| <a class="jxr_linenumber" name="100" href="#100">100</a> SelectionKey key = dataEvent.key; |
| <a class="jxr_linenumber" name="101" href="#101">101</a> SocketChannel client = (SocketChannel) key.channel(); |
| <a class="jxr_linenumber" name="102" href="#102">102</a> Socket s = client.socket(); |
| <a class="jxr_linenumber" name="103" href="#103">103</a> <a href="../../../../../org/trafodion/dcs/master/listener/ClientData.html">ClientData</a> clientData = (ClientData) key.attachment(); |
| <a class="jxr_linenumber" name="104" href="#104">104</a> <a href="../../../../../org/trafodion/dcs/master/listener/ListenerService.html">ListenerService</a> server = dataEvent.server; |
| <a class="jxr_linenumber" name="105" href="#105">105</a> dataEvent.key = <strong class="jxr_keyword">null</strong>; |
| <a class="jxr_linenumber" name="106" href="#106">106</a> dataEvent.server = <strong class="jxr_keyword">null</strong>; |
| <a class="jxr_linenumber" name="107" href="#107">107</a> |
| <a class="jxr_linenumber" name="108" href="#108">108</a> <strong class="jxr_keyword">switch</strong> (clientData.hdr.getOperationId()){ |
| <a class="jxr_linenumber" name="109" href="#109">109</a> <strong class="jxr_keyword">case</strong> ListenerConstants.DCS_MASTER_GETSRVRAVAILABLE: |
| <a class="jxr_linenumber" name="110" href="#110">110</a> clientData = requestGetObjectRef.processRequest(clientData, s); |
| <a class="jxr_linenumber" name="111" href="#111">111</a> <strong class="jxr_keyword">break</strong>; |
| <a class="jxr_linenumber" name="112" href="#112">112</a> <strong class="jxr_keyword">case</strong> ListenerConstants.DCS_MASTER_CANCELQUERY: |
| <a class="jxr_linenumber" name="113" href="#113">113</a> clientData = requestCancelQuery.processRequest(clientData, s); |
| <a class="jxr_linenumber" name="114" href="#114">114</a> <strong class="jxr_keyword">break</strong>; |
| <a class="jxr_linenumber" name="115" href="#115">115</a> <strong class="jxr_keyword">default</strong>: |
| <a class="jxr_linenumber" name="116" href="#116">116</a> clientData = requestUnknown.processRequest(clientData, s); |
| <a class="jxr_linenumber" name="117" href="#117">117</a> <strong class="jxr_keyword">break</strong>; |
| <a class="jxr_linenumber" name="118" href="#118">118</a> } |
| <a class="jxr_linenumber" name="119" href="#119">119</a> <em class="jxr_comment">// Return to sender</em> |
| <a class="jxr_linenumber" name="120" href="#120">120</a> <strong class="jxr_keyword">int</strong> requestReply = clientData.requestReply; |
| <a class="jxr_linenumber" name="121" href="#121">121</a> key.attach(clientData); |
| <a class="jxr_linenumber" name="122" href="#122">122</a> server.send(<strong class="jxr_keyword">new</strong> <a href="../../../../../org/trafodion/dcs/master/listener/PendingRequest.html">PendingRequest</a>(key, requestReply)); |
| <a class="jxr_linenumber" name="123" href="#123">123</a> } <strong class="jxr_keyword">catch</strong> (Exception e){ |
| <a class="jxr_linenumber" name="124" href="#124">124</a> LOG.error(<span class="jxr_string">"Unexpected Exception"</span>, e); |
| <a class="jxr_linenumber" name="125" href="#125">125</a> System.exit(-1); |
| <a class="jxr_linenumber" name="126" href="#126">126</a> } |
| <a class="jxr_linenumber" name="127" href="#127">127</a> } |
| <a class="jxr_linenumber" name="128" href="#128">128</a> } |
| <a class="jxr_linenumber" name="129" href="#129">129</a> } |
| <a class="jxr_linenumber" name="130" href="#130">130</a> |
| </pre> |
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