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| <a class="jxr_linenumber" name="1" href="#1">1</a> <em class="jxr_comment">/*</em> |
| <a class="jxr_linenumber" name="2" href="#2">2</a> <em class="jxr_comment"> * Licensed to the Apache Software Foundation (ASF) under one</em> |
| <a class="jxr_linenumber" name="3" href="#3">3</a> <em class="jxr_comment"> * or more contributor license agreements. See the NOTICE file</em> |
| <a class="jxr_linenumber" name="4" href="#4">4</a> <em class="jxr_comment"> * distributed with this work for additional information</em> |
| <a class="jxr_linenumber" name="5" href="#5">5</a> <em class="jxr_comment"> * regarding copyright ownership. The ASF licenses this file</em> |
| <a class="jxr_linenumber" name="6" href="#6">6</a> <em class="jxr_comment"> * to you under the Apache License, Version 2.0 (the</em> |
| <a class="jxr_linenumber" name="7" href="#7">7</a> <em class="jxr_comment"> * "License"); you may not use this file except in compliance</em> |
| <a class="jxr_linenumber" name="8" href="#8">8</a> <em class="jxr_comment"> * with the License. You may obtain a copy of the License at</em> |
| <a class="jxr_linenumber" name="9" href="#9">9</a> <em class="jxr_comment"> * </em> |
| <a class="jxr_linenumber" name="10" href="#10">10</a> <em class="jxr_comment"> * <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="11" href="#11">11</a> <em class="jxr_comment"> * </em> |
| <a class="jxr_linenumber" name="12" href="#12">12</a> <em class="jxr_comment"> * Unless required by applicable law or agreed to in writing,</em> |
| <a class="jxr_linenumber" name="13" href="#13">13</a> <em class="jxr_comment"> * software distributed under the License is distributed on an</em> |
| <a class="jxr_linenumber" name="14" href="#14">14</a> <em class="jxr_comment"> * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY</em> |
| <a class="jxr_linenumber" name="15" href="#15">15</a> <em class="jxr_comment"> * KIND, either express or implied. See the License for the</em> |
| <a class="jxr_linenumber" name="16" href="#16">16</a> <em class="jxr_comment"> * specific language governing permissions and limitations</em> |
| <a class="jxr_linenumber" name="17" href="#17">17</a> <em class="jxr_comment"> * under the License. </em> |
| <a class="jxr_linenumber" name="18" href="#18">18</a> <em class="jxr_comment"> * </em> |
| <a class="jxr_linenumber" name="19" href="#19">19</a> <em class="jxr_comment"> */</em> |
| <a class="jxr_linenumber" name="20" href="#20">20</a> <strong class="jxr_keyword">package</strong> org.apache.mina.transport.socket.apr; |
| <a class="jxr_linenumber" name="21" href="#21">21</a> |
| <a class="jxr_linenumber" name="22" href="#22">22</a> <strong class="jxr_keyword">import</strong> org.apache.tomcat.jni.Library; |
| <a class="jxr_linenumber" name="23" href="#23">23</a> <strong class="jxr_keyword">import</strong> org.apache.tomcat.jni.Pool; |
| <a class="jxr_linenumber" name="24" href="#24">24</a> |
| <a class="jxr_linenumber" name="25" href="#25">25</a> |
| <a class="jxr_linenumber" name="26" href="#26">26</a> <em class="jxr_javadoccomment">/**</em> |
| <a class="jxr_linenumber" name="27" href="#27">27</a> <em class="jxr_javadoccomment"> * Internal singleton used for initializing correctly the APR native library</em> |
| <a class="jxr_linenumber" name="28" href="#28">28</a> <em class="jxr_javadoccomment"> * and the associated root memory pool.</em> |
| <a class="jxr_linenumber" name="29" href="#29">29</a> <em class="jxr_javadoccomment"> * </em> |
| <a class="jxr_linenumber" name="30" href="#30">30</a> <em class="jxr_javadoccomment"> * It'll finalize nicely the native resources (libraries and memory pools).</em> |
| <a class="jxr_linenumber" name="31" href="#31">31</a> <em class="jxr_javadoccomment"> * </em> |
| <a class="jxr_linenumber" name="32" href="#32">32</a> <em class="jxr_javadoccomment"> * Each memory pool used in the APR transport module needs to be children of the</em> |
| <a class="jxr_linenumber" name="33" href="#33">33</a> <em class="jxr_javadoccomment"> * root pool {@link AprLibrary#getRootPool()}.</em> |
| <a class="jxr_linenumber" name="34" href="#34">34</a> <em class="jxr_javadoccomment"> * </em> |
| <a class="jxr_linenumber" name="35" href="#35">35</a> <em class="jxr_javadoccomment"> * @author <a href="<a href="http://mina.apache.org" target="alexandria_uri">http://mina.apache.org</a>">Apache MINA Project</a></em> |
| <a class="jxr_linenumber" name="36" href="#36">36</a> <em class="jxr_javadoccomment"> */</em> |
| <a class="jxr_linenumber" name="37" href="#37">37</a> <strong class="jxr_keyword">class</strong> <a href="../../../../../../org/apache/mina/transport/socket/apr/AprLibrary.html">AprLibrary</a> { |
| <a class="jxr_linenumber" name="38" href="#38">38</a> |
| <a class="jxr_linenumber" name="39" href="#39">39</a> <em class="jxr_comment">// is APR library was initialized (load of native libraries)</em> |
| <a class="jxr_linenumber" name="40" href="#40">40</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <a href="../../../../../../org/apache/mina/transport/socket/apr/AprLibrary.html">AprLibrary</a> library = <strong class="jxr_keyword">null</strong>; |
| <a class="jxr_linenumber" name="41" href="#41">41</a> |
| <a class="jxr_linenumber" name="42" href="#42">42</a> <em class="jxr_javadoccomment">/**</em> |
| <a class="jxr_linenumber" name="43" href="#43">43</a> <em class="jxr_javadoccomment"> * get the shared instance of APR library, if none, initialize one</em> |
| <a class="jxr_linenumber" name="44" href="#44">44</a> <em class="jxr_javadoccomment"> * @return the current APR library singleton</em> |
| <a class="jxr_linenumber" name="45" href="#45">45</a> <em class="jxr_javadoccomment"> */</em> |
| <a class="jxr_linenumber" name="46" href="#46">46</a> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">synchronized</strong> <a href="../../../../../../org/apache/mina/transport/socket/apr/AprLibrary.html">AprLibrary</a> getInstance() { |
| <a class="jxr_linenumber" name="47" href="#47">47</a> <strong class="jxr_keyword">if</strong> (!isInitialized()) |
| <a class="jxr_linenumber" name="48" href="#48">48</a> initialize(); |
| <a class="jxr_linenumber" name="49" href="#49">49</a> <strong class="jxr_keyword">return</strong> library; |
| <a class="jxr_linenumber" name="50" href="#50">50</a> } |
| <a class="jxr_linenumber" name="51" href="#51">51</a> |
| <a class="jxr_linenumber" name="52" href="#52">52</a> <em class="jxr_javadoccomment">/**</em> |
| <a class="jxr_linenumber" name="53" href="#53">53</a> <em class="jxr_javadoccomment"> * initialize the APR Library by loading the associated native libraries</em> |
| <a class="jxr_linenumber" name="54" href="#54">54</a> <em class="jxr_javadoccomment"> * and creating the associated singleton</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">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">synchronized</strong> <strong class="jxr_keyword">void</strong> initialize() { |
| <a class="jxr_linenumber" name="57" href="#57">57</a> <strong class="jxr_keyword">if</strong> (library == <strong class="jxr_keyword">null</strong>) |
| <a class="jxr_linenumber" name="58" href="#58">58</a> library = <strong class="jxr_keyword">new</strong> <a href="../../../../../../org/apache/mina/transport/socket/apr/AprLibrary.html">AprLibrary</a>(); |
| <a class="jxr_linenumber" name="59" href="#59">59</a> } |
| <a class="jxr_linenumber" name="60" href="#60">60</a> |
| <a class="jxr_linenumber" name="61" href="#61">61</a> <em class="jxr_javadoccomment">/**</em> |
| <a class="jxr_linenumber" name="62" href="#62">62</a> <em class="jxr_javadoccomment"> * is the APR library was initialized.</em> |
| <a class="jxr_linenumber" name="63" href="#63">63</a> <em class="jxr_javadoccomment"> * @return true if the Library is initialized, false otherwise</em> |
| <a class="jxr_linenumber" name="64" href="#64">64</a> <em class="jxr_javadoccomment"> */</em> |
| <a class="jxr_linenumber" name="65" href="#65">65</a> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">synchronized</strong> <strong class="jxr_keyword">boolean</strong> isInitialized() { |
| <a class="jxr_linenumber" name="66" href="#66">66</a> <strong class="jxr_keyword">return</strong> library != <strong class="jxr_keyword">null</strong>; |
| <a class="jxr_linenumber" name="67" href="#67">67</a> } |
| <a class="jxr_linenumber" name="68" href="#68">68</a> |
| <a class="jxr_linenumber" name="69" href="#69">69</a> <em class="jxr_comment">// APR memory pool (package wide mother pool)</em> |
| <a class="jxr_linenumber" name="70" href="#70">70</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">long</strong> pool; |
| <a class="jxr_linenumber" name="71" href="#71">71</a> |
| <a class="jxr_linenumber" name="72" href="#72">72</a> <em class="jxr_javadoccomment">/**</em> |
| <a class="jxr_linenumber" name="73" href="#73">73</a> <em class="jxr_javadoccomment"> * APR library singleton constructor. Called only when accessing the</em> |
| <a class="jxr_linenumber" name="74" href="#74">74</a> <em class="jxr_javadoccomment"> * singleton the first time.</em> |
| <a class="jxr_linenumber" name="75" href="#75">75</a> <em class="jxr_javadoccomment"> * It's initializing an APR memory pool for the whole package (a.k.a mother or root pool).</em> |
| <a class="jxr_linenumber" name="76" href="#76">76</a> <em class="jxr_javadoccomment"> */</em> |
| <a class="jxr_linenumber" name="77" href="#77">77</a> <strong class="jxr_keyword">private</strong> <a href="../../../../../../org/apache/mina/transport/socket/apr/AprLibrary.html">AprLibrary</a>() { |
| <a class="jxr_linenumber" name="78" href="#78">78</a> <strong class="jxr_keyword">try</strong> { |
| <a class="jxr_linenumber" name="79" href="#79">79</a> Library.initialize(<strong class="jxr_keyword">null</strong>); |
| <a class="jxr_linenumber" name="80" href="#80">80</a> } <strong class="jxr_keyword">catch</strong> (Exception e) { |
| <a class="jxr_linenumber" name="81" href="#81">81</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> RuntimeException( |
| <a class="jxr_linenumber" name="82" href="#82">82</a> <span class="jxr_string">"Error loading Apache Portable Runtime (APR)."</span>, e); |
| <a class="jxr_linenumber" name="83" href="#83">83</a> } |
| <a class="jxr_linenumber" name="84" href="#84">84</a> pool = Pool.create(0); |
| <a class="jxr_linenumber" name="85" href="#85">85</a> } |
| <a class="jxr_linenumber" name="86" href="#86">86</a> |
| <a class="jxr_linenumber" name="87" href="#87">87</a> @Override |
| <a class="jxr_linenumber" name="88" href="#88">88</a> <strong class="jxr_keyword">protected</strong> <strong class="jxr_keyword">void</strong> finalize() <strong class="jxr_keyword">throws</strong> Throwable { |
| <a class="jxr_linenumber" name="89" href="#89">89</a> <strong class="jxr_keyword">super</strong>.finalize(); |
| <a class="jxr_linenumber" name="90" href="#90">90</a> Pool.destroy(pool); |
| <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> <em class="jxr_javadoccomment">/**</em> |
| <a class="jxr_linenumber" name="94" href="#94">94</a> <em class="jxr_javadoccomment"> * get the package wide root pool, the mother of all the pool created </em> |
| <a class="jxr_linenumber" name="95" href="#95">95</a> <em class="jxr_javadoccomment"> * in APR transport module.</em> |
| <a class="jxr_linenumber" name="96" href="#96">96</a> <em class="jxr_javadoccomment"> * @return number identifying the root pool </em> |
| <a class="jxr_linenumber" name="97" href="#97">97</a> <em class="jxr_javadoccomment"> */</em> |
| <a class="jxr_linenumber" name="98" href="#98">98</a> <strong class="jxr_keyword">long</strong> getRootPool() { |
| <a class="jxr_linenumber" name="99" href="#99">99</a> <strong class="jxr_keyword">return</strong> pool; |
| <a class="jxr_linenumber" name="100" href="#100">100</a> } |
| <a class="jxr_linenumber" name="101" href="#101">101</a> } |
| </pre> |
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