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/jetty/jxr/org/mortbay/jetty/plugin/util/Monitor.html

https://github.com/derickbailey/qedserver
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    3. 

  3. <head>
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  4. <meta http-equiv="content-type" content="text/html; charset=ISO-8859-1" />
    5. 

  5. <title>Monitor xref</title>
    6. 

  6. <link type="text/css" rel="stylesheet" href="../../../../../stylesheet.css" />
    7. 

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    8. 

  8. <body>
    9. 

  9. <div id="overview"><a href="../../../../../../javadoc/org/mortbay/jetty/plugin/util/Monitor.html">View Javadoc</a></div><pre>
    10. 

  10. 

  11. <a name="1" href="#1">1</a>   <em class="jxr_comment">//========================================================================</em>
    12. 

  12. <a name="2" href="#2">2</a>   <em class="jxr_comment">//$Id: Monitor.java 4005 2008-11-06 22:31:53Z janb $</em>
    13. 

  13. <a name="3" href="#3">3</a>   <em class="jxr_comment">//Copyright 2008 Mort Bay Consulting Pty. Ltd.</em>
    14. 

  14. <a name="4" href="#4">4</a>   <em class="jxr_comment">//------------------------------------------------------------------------</em>
    15. 

  15. <a name="5" href="#5">5</a>   <em class="jxr_comment">//Licensed under the Apache License, Version 2.0 (the "License");</em>
    16. 

  16. <a name="6" href="#6">6</a>   <em class="jxr_comment">//you may not use this file except in compliance with the License.</em>
    17. 

  17. <a name="7" href="#7">7</a>   <em class="jxr_comment">//You may obtain a copy of the License at </em>
    18. 

  18. <a name="8" href="#8">8</a>   <em class="jxr_comment">//http://www.apache.org/licenses/LICENSE-2.0</em>
    19. 

  19. <a name="9" href="#9">9</a>   <em class="jxr_comment">//Unless required by applicable law or agreed to in writing, software</em>
    20. 

  20. <a name="10" href="#10">10</a>  <em class="jxr_comment">//distributed under the License is distributed on an "AS IS" BASIS,</em>
    21. 

  21. <a name="11" href="#11">11</a>  <em class="jxr_comment">//WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</em>
    22. 

  22. <a name="12" href="#12">12</a>  <em class="jxr_comment">//See the License for the specific language governing permissions and</em>
    23. 

  23. <a name="13" href="#13">13</a>  <em class="jxr_comment">//limitations under the License.</em>
    24. 

  24. <a name="14" href="#14">14</a>  <em class="jxr_comment">//========================================================================</em>
    25. 

  25. <a name="15" href="#15">15</a>  
    26. 

  26. <a name="16" href="#16">16</a>  
    27. 

  27. <a name="17" href="#17">17</a>  <strong class="jxr_keyword">package</strong> org.mortbay.jetty.plugin.util;
    28. 

  28. <a name="18" href="#18">18</a>  
    29. 

  29. <a name="19" href="#19">19</a>  <strong class="jxr_keyword">import</strong> java.io.IOException;
    30. 

  30. <a name="20" href="#20">20</a>  <strong class="jxr_keyword">import</strong> java.io.InputStreamReader;
    31. 

  31. <a name="21" href="#21">21</a>  <strong class="jxr_keyword">import</strong> java.io.LineNumberReader;
    32. 

  32. <a name="22" href="#22">22</a>  <strong class="jxr_keyword">import</strong> java.net.InetAddress;
    33. 

  33. <a name="23" href="#23">23</a>  <strong class="jxr_keyword">import</strong> java.net.ServerSocket;
    34. 

  34. <a name="24" href="#24">24</a>  <strong class="jxr_keyword">import</strong> java.net.Socket;
    35. 

  35. <a name="25" href="#25">25</a>  <strong class="jxr_keyword">import</strong> java.net.UnknownHostException;
    36. 

  36. <a name="26" href="#26">26</a>  
    37. 

  37. <a name="27" href="#27">27</a>  <strong class="jxr_keyword">import</strong> org.mortbay.jetty.Server;
    38. 

  38. <a name="28" href="#28">28</a>  
    39. 

  39. <a name="29" href="#29">29</a>  
    40. 

  40. <a name="30" href="#30">30</a>  
    41. 

  41. <a name="31" href="#31">31</a>  
    42. 

  42. <a name="32" href="#32">32</a>  <em class="jxr_javadoccomment">/**</em>
    43. 

  43. <a name="33" href="#33">33</a>  <em class="jxr_javadoccomment"> * Monitor</em>
    44. 

  44. <a name="34" href="#34">34</a>  <em class="jxr_javadoccomment"> *</em>
    45. 

  45. <a name="35" href="#35">35</a>  <em class="jxr_javadoccomment"> * Listens for stop commands eg via mvn jetty:stop and</em>
    46. 

  46. <a name="36" href="#36">36</a>  <em class="jxr_javadoccomment"> * causes jetty to stop either by exiting the jvm, or</em>
    47. 

  47. <a name="37" href="#37">37</a>  <em class="jxr_javadoccomment"> * by stopping the Server instances. The choice of</em>
    48. 

  48. <a name="38" href="#38">38</a>  <em class="jxr_javadoccomment"> * behaviour is controlled by either passing true</em>
    49. 

  49. <a name="39" href="#39">39</a>  <em class="jxr_javadoccomment"> * (exit jvm) or false (stop Servers) in the constructor.</em>
    50. 

  50. <a name="40" href="#40">40</a>  <em class="jxr_javadoccomment"> * </em>
    51. 

  51. <a name="41" href="#41">41</a>  <em class="jxr_javadoccomment"> */</em>
    52. 

  52. <a name="42" href="#42">42</a>  <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../../org/mortbay/jetty/plugin/util/Monitor.html">Monitor</a> <strong class="jxr_keyword">extends</strong> Thread
    53. 

  53. <a name="43" href="#43">43</a>  {
    54. 

  54. <a name="44" href="#44">44</a>      <strong class="jxr_keyword">private</strong> String _key;
    55. 

  55. <a name="45" href="#45">45</a>      <strong class="jxr_keyword">private</strong> <a href="../../../../../org/mortbay/jetty/Server.html">Server</a>[] _servers;
    56. 

  56. <a name="46" href="#46">46</a>  
    57. 

  57. <a name="47" href="#47">47</a>      ServerSocket _serverSocket;
    58. 

  58. <a name="48" href="#48">48</a>      <strong class="jxr_keyword">boolean</strong> _kill;
    59. 

  59. <a name="49" href="#49">49</a>  
    60. 

  60. <a name="50" href="#50">50</a>      <strong class="jxr_keyword">public</strong> <a href="../../../../../org/mortbay/jetty/plugin/util/Monitor.html">Monitor</a>(<strong class="jxr_keyword">int</strong> port, String key, <a href="../../../../../org/mortbay/jetty/Server.html">Server</a>[] servers, <strong class="jxr_keyword">boolean</strong> kill) 
    61. 

  61. <a name="51" href="#51">51</a>      <strong class="jxr_keyword">throws</strong> UnknownHostException, IOException
    62. 

  62. <a name="52" href="#52">52</a>      {
    63. 

  63. <a name="53" href="#53">53</a>          <strong class="jxr_keyword">if</strong> (port &lt;= 0)
    64. 

  64. <a name="54" href="#54">54</a>              <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> IllegalStateException (<span class="jxr_string">"Bad stop port"</span>);
    65. 

  65. <a name="55" href="#55">55</a>          <strong class="jxr_keyword">if</strong> (key==<strong class="jxr_keyword">null</strong>)
    66. 

  66. <a name="56" href="#56">56</a>              <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> IllegalStateException(<span class="jxr_string">"Bad stop key"</span>);
    67. 

  67. <a name="57" href="#57">57</a>  
    68. 

  68. <a name="58" href="#58">58</a>          _key = key;
    69. 

  69. <a name="59" href="#59">59</a>          _servers = servers;
    70. 

  70. <a name="60" href="#60">60</a>          _kill = kill;
    71. 

  71. <a name="61" href="#61">61</a>          setDaemon(<strong class="jxr_keyword">true</strong>);
    72. 

  72. <a name="62" href="#62">62</a>          setName(<span class="jxr_string">"StopJettyPluginMonitor"</span>);
    73. 

  73. <a name="63" href="#63">63</a>          _serverSocket=<strong class="jxr_keyword">new</strong> ServerSocket(port,1,InetAddress.getByName(<span class="jxr_string">"127.0.0.1"</span>)); 
    74. 

  74. <a name="64" href="#64">64</a>          _serverSocket.setReuseAddress(<strong class="jxr_keyword">true</strong>);
    75. 

  75. <a name="65" href="#65">65</a>      }
    76. 

  76. <a name="66" href="#66">66</a>      
    77. 

  77. <a name="67" href="#67">67</a>      <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> run()
    78. 

  78. <a name="68" href="#68">68</a>      {
    79. 

  79. <a name="69" href="#69">69</a>          <strong class="jxr_keyword">while</strong> (_serverSocket != <strong class="jxr_keyword">null</strong>)
    80. 

  80. <a name="70" href="#70">70</a>          {
    81. 

  81. <a name="71" href="#71">71</a>              Socket socket = <strong class="jxr_keyword">null</strong>;
    82. 

  82. <a name="72" href="#72">72</a>              <strong class="jxr_keyword">try</strong>
    83. 

  83. <a name="73" href="#73">73</a>              {
    84. 

  84. <a name="74" href="#74">74</a>                  socket = _serverSocket.accept();
    85. 

  85. <a name="75" href="#75">75</a>                  socket.setSoLinger(false, 0);
    86. 

  86. <a name="76" href="#76">76</a>                  LineNumberReader lin = <strong class="jxr_keyword">new</strong> LineNumberReader(<strong class="jxr_keyword">new</strong> InputStreamReader(socket.getInputStream()));
    87. 

  87. <a name="77" href="#77">77</a>                  
    88. 

  88. <a name="78" href="#78">78</a>                  String key = lin.readLine();
    89. 

  89. <a name="79" href="#79">79</a>                  <strong class="jxr_keyword">if</strong> (!_key.equals(key)) <strong class="jxr_keyword">continue</strong>;
    90. 

  90. <a name="80" href="#80">80</a>                  String cmd = lin.readLine();
    91. 

  91. <a name="81" href="#81">81</a>                  <strong class="jxr_keyword">if</strong> (<span class="jxr_string">"stop"</span>.equals(cmd))
    92. 

  92. <a name="82" href="#82">82</a>                  {
    93. 

  93. <a name="83" href="#83">83</a>                      <strong class="jxr_keyword">try</strong>{socket.close();}<strong class="jxr_keyword">catch</strong> (Exception e){PluginLog.getLog().debug(e);}
    94. 

  94. <a name="84" href="#84">84</a>                      <strong class="jxr_keyword">try</strong>{socket.close();}<strong class="jxr_keyword">catch</strong> (Exception e){PluginLog.getLog().debug(e);}
    95. 

  95. <a name="85" href="#85">85</a>                      <strong class="jxr_keyword">try</strong>{_serverSocket.close();}<strong class="jxr_keyword">catch</strong> (Exception e){PluginLog.getLog().debug(e);}
    96. 

  96. <a name="86" href="#86">86</a>                  
    97. 

  97. <a name="87" href="#87">87</a>                      _serverSocket = <strong class="jxr_keyword">null</strong>;
    98. 

  98. <a name="88" href="#88">88</a>                      
    99. 

  99. <a name="89" href="#89">89</a>                      <strong class="jxr_keyword">if</strong> (_kill)
    100. 

  100. <a name="90" href="#90">90</a>                      {
    101. 

  101. <a name="91" href="#91">91</a>                          PluginLog.getLog().info(<span class="jxr_string">"Killing Jetty"</span>);
    102. 

  102. <a name="92" href="#92">92</a>                          System.exit(0);     
    103. 

  103. <a name="93" href="#93">93</a>                      }
    104. 

  104. <a name="94" href="#94">94</a>                      <strong class="jxr_keyword">else</strong>
    105. 

  105. <a name="95" href="#95">95</a>                      {
    106. 

  106. <a name="96" href="#96">96</a>                          <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> i=0; _servers != <strong class="jxr_keyword">null</strong> &amp;&amp; i &lt; _servers.length; i++)
    107. 

  107. <a name="97" href="#97">97</a>                          {
    108. 

  108. <a name="98" href="#98">98</a>                              <strong class="jxr_keyword">try</strong>
    109. 

  109. <a name="99" href="#99">99</a>                              {
    110. 

  110. <a name="100" href="#100">100</a>                                 PluginLog.getLog().info(<span class="jxr_string">"Stopping server "</span>+i);                             
    111. 

  111. <a name="101" href="#101">101</a>                                 _servers[i].stop();
    112. 

  112. <a name="102" href="#102">102</a>                             }
    113. 

  113. <a name="103" href="#103">103</a>                             <strong class="jxr_keyword">catch</strong> (Exception e)
    114. 

  114. <a name="104" href="#104">104</a>                             {
    115. 

  115. <a name="105" href="#105">105</a>                                 PluginLog.getLog().error(e);
    116. 

  116. <a name="106" href="#106">106</a>                             }
    117. 

  117. <a name="107" href="#107">107</a>                         }
    118. 

  118. <a name="108" href="#108">108</a>                     }
    119. 

  119. <a name="109" href="#109">109</a>                 }
    120. 

  120. <a name="110" href="#110">110</a>                 <strong class="jxr_keyword">else</strong>
    121. 

  121. <a name="111" href="#111">111</a>                     PluginLog.getLog().info(<span class="jxr_string">"Unsupported monitor operation"</span>);
    122. 

  122. <a name="112" href="#112">112</a>             }
    123. 

  123. <a name="113" href="#113">113</a>             <strong class="jxr_keyword">catch</strong> (Exception e)
    124. 

  124. <a name="114" href="#114">114</a>             {
    125. 

  125. <a name="115" href="#115">115</a>                 PluginLog.getLog().error(e);
    126. 

  126. <a name="116" href="#116">116</a>             }
    127. 

  127. <a name="117" href="#117">117</a>             <strong class="jxr_keyword">finally</strong>
    128. 

  128. <a name="118" href="#118">118</a>             {
    129. 

  129. <a name="119" href="#119">119</a>                 <strong class="jxr_keyword">if</strong> (socket != <strong class="jxr_keyword">null</strong>)
    130. 

  130. <a name="120" href="#120">120</a>                 {
    131. 

  131. <a name="121" href="#121">121</a>                     <strong class="jxr_keyword">try</strong>
    132. 

  132. <a name="122" href="#122">122</a>                     {
    133. 

  133. <a name="123" href="#123">123</a>                         socket.close();
    134. 

  134. <a name="124" href="#124">124</a>                     }
    135. 

  135. <a name="125" href="#125">125</a>                     <strong class="jxr_keyword">catch</strong> (Exception e)
    136. 

  136. <a name="126" href="#126">126</a>                     {
    137. 

  137. <a name="127" href="#127">127</a>                         PluginLog.getLog().debug(e);
    138. 

  138. <a name="128" href="#128">128</a>                     }
    139. 

  139. <a name="129" href="#129">129</a>                 }
    140. 

  140. <a name="130" href="#130">130</a>                 socket = <strong class="jxr_keyword">null</strong>;
    141. 

  141. <a name="131" href="#131">131</a>             }
    142. 

  142. <a name="132" href="#132">132</a>         }
    143. 

  143. <a name="133" href="#133">133</a>     }
    144. 

  144. <a name="134" href="#134">134</a> }
    145. 

  145. </pre>
    146. 

  146. <hr/><div id="footer">This page was automatically generated by <a href="http://maven.apache.org/">Maven</a></div></body>
    147. 

  147. </html>
    148. 

  148. 

  149.