📄 aprsocketacceptor.html
字号:
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en"><head><meta http-equiv="content-type" content="text/html; charset=UTF-8" /><title>AprSocketAcceptor xref</title><link type="text/css" rel="stylesheet" href="../../../../../../stylesheet.css" /></head><body><div id="overview"><a href="../../../../../../../apidocs/org/apache/mina/transport/socket/apr/AprSocketAcceptor.html">View Javadoc</a></div><pre><a name="1" href="#1">1</a> <strong class="jxr_keyword">package</strong> org.apache.mina.transport.socket.apr;<a name="2" href="#2">2</a> <a name="3" href="#3">3</a> <strong class="jxr_keyword">import</strong> java.io.IOException;<a name="4" href="#4">4</a> <strong class="jxr_keyword">import</strong> java.net.InetSocketAddress;<a name="5" href="#5">5</a> <strong class="jxr_keyword">import</strong> java.net.SocketAddress;<a name="6" href="#6">6</a> <strong class="jxr_keyword">import</strong> java.util.Iterator;<a name="7" href="#7">7</a> <strong class="jxr_keyword">import</strong> java.util.List;<a name="8" href="#8">8</a> <strong class="jxr_keyword">import</strong> java.util.concurrent.Executor;<a name="9" href="#9">9</a> <a name="10" href="#10">10</a> <strong class="jxr_keyword">import</strong> org.apache.mina.common.AbstractPollingIoAcceptor;<a name="11" href="#11">11</a> <strong class="jxr_keyword">import</strong> org.apache.mina.common.IoProcessor;<a name="12" href="#12">12</a> <strong class="jxr_keyword">import</strong> org.apache.mina.common.RuntimeIoException;<a name="13" href="#13">13</a> <strong class="jxr_keyword">import</strong> org.apache.mina.common.TransportMetadata;<a name="14" href="#14">14</a> <strong class="jxr_keyword">import</strong> org.apache.mina.transport.socket.DefaultSocketSessionConfig;<a name="15" href="#15">15</a> <strong class="jxr_keyword">import</strong> org.apache.mina.transport.socket.SocketAcceptor;<a name="16" href="#16">16</a> <strong class="jxr_keyword">import</strong> org.apache.mina.transport.socket.SocketSessionConfig;<a name="17" href="#17">17</a> <strong class="jxr_keyword">import</strong> org.apache.mina.util.CircularQueue;<a name="18" href="#18">18</a> <strong class="jxr_keyword">import</strong> org.apache.tomcat.jni.Address;<a name="19" href="#19">19</a> <strong class="jxr_keyword">import</strong> org.apache.tomcat.jni.Poll;<a name="20" href="#20">20</a> <strong class="jxr_keyword">import</strong> org.apache.tomcat.jni.Pool;<a name="21" href="#21">21</a> <strong class="jxr_keyword">import</strong> org.apache.tomcat.jni.Socket;<a name="22" href="#22">22</a> <strong class="jxr_keyword">import</strong> org.apache.tomcat.jni.Status;<a name="23" href="#23">23</a> <a name="24" href="#24">24</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../../../org/apache/mina/transport/socket/apr/AprSocketAcceptor.html">AprSocketAcceptor</a> <strong class="jxr_keyword">extends</strong> AbstractPollingIoAcceptor<AprSession, Long> implements <a href="../../../../../../org/apache/mina/transport/socket/SocketAcceptor.html">SocketAcceptor</a> {<a name="25" href="#25">25</a> <a name="26" href="#26">26</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> POLLSET_SIZE = 1024;<a name="27" href="#27">27</a> <a name="28" href="#28">28</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> Object wakeupLock = <strong class="jxr_keyword">new</strong> Object();<a name="29" href="#29">29</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">long</strong> wakeupSocket;<a name="30" href="#30">30</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">volatile</strong> <strong class="jxr_keyword">boolean</strong> toBeWakenUp;<a name="31" href="#31">31</a> <a name="32" href="#32">32</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">int</strong> backlog = 50;<a name="33" href="#33">33</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">boolean</strong> reuseAddress = <strong class="jxr_keyword">true</strong>;<a name="34" href="#34">34</a> <a name="35" href="#35">35</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">volatile</strong> <strong class="jxr_keyword">long</strong> pool;<a name="36" href="#36">36</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">volatile</strong> <strong class="jxr_keyword">long</strong> pollset; <em class="jxr_comment">// socket poller</em><a name="37" href="#37">37</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">long</strong>[] polledSockets = <strong class="jxr_keyword">new</strong> <strong class="jxr_keyword">long</strong>[POLLSET_SIZE << 1];<a name="38" href="#38">38</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> List<Long> polledHandles =<a name="39" href="#39">39</a> <strong class="jxr_keyword">new</strong> CircularQueue<Long>(POLLSET_SIZE);<a name="40" href="#40">40</a> <a name="41" href="#41">41</a> <strong class="jxr_keyword">public</strong> <a href="../../../../../../org/apache/mina/transport/socket/apr/AprSocketAcceptor.html">AprSocketAcceptor</a>() {<a name="42" href="#42">42</a> <strong class="jxr_keyword">super</strong>(<strong class="jxr_keyword">new</strong> <a href="../../../../../../org/apache/mina/transport/socket/DefaultSocketSessionConfig.html">DefaultSocketSessionConfig</a>(), AprIoProcessor.<strong class="jxr_keyword">class</strong>);<a name="43" href="#43">43</a> }<a name="44" href="#44">44</a> <a name="45" href="#45">45</a> <strong class="jxr_keyword">public</strong> <a href="../../../../../../org/apache/mina/transport/socket/apr/AprSocketAcceptor.html">AprSocketAcceptor</a>(<strong class="jxr_keyword">int</strong> processorCount) {<a name="46" href="#46">46</a> <strong class="jxr_keyword">super</strong>(<strong class="jxr_keyword">new</strong> <a href="../../../../../../org/apache/mina/transport/socket/DefaultSocketSessionConfig.html">DefaultSocketSessionConfig</a>(), AprIoProcessor.<strong class="jxr_keyword">class</strong>, processorCount);<a name="47" href="#47">47</a> }<a name="48" href="#48">48</a> <a name="49" href="#49">49</a> <strong class="jxr_keyword">public</strong> <a href="../../../../../../org/apache/mina/transport/socket/apr/AprSocketAcceptor.html">AprSocketAcceptor</a>(IoProcessor<AprSession> processor) {<a name="50" href="#50">50</a> <strong class="jxr_keyword">super</strong>(<strong class="jxr_keyword">new</strong> <a href="../../../../../../org/apache/mina/transport/socket/DefaultSocketSessionConfig.html">DefaultSocketSessionConfig</a>(), processor);<a name="51" href="#51">51</a> }<a name="52" href="#52">52</a> <a name="53" href="#53">53</a> <strong class="jxr_keyword">public</strong> <a href="../../../../../../org/apache/mina/transport/socket/apr/AprSocketAcceptor.html">AprSocketAcceptor</a>(Executor executor,<a name="54" href="#54">54</a> IoProcessor<AprSession> processor) {<a name="55" href="#55">55</a> <strong class="jxr_keyword">super</strong>(<strong class="jxr_keyword">new</strong> <a href="../../../../../../org/apache/mina/transport/socket/DefaultSocketSessionConfig.html">DefaultSocketSessionConfig</a>(), executor, processor);<a name="56" href="#56">56</a> }<a name="57" href="#57">57</a> <a name="58" href="#58">58</a> @Override<a name="59" href="#59">59</a> <strong class="jxr_keyword">protected</strong> <a href="../../../../../../org/apache/mina/transport/socket/apr/AprSession.html">AprSession</a> accept(IoProcessor<AprSession> processor, Long handle) <strong class="jxr_keyword">throws</strong> Exception {<a name="60" href="#60">60</a> <strong class="jxr_keyword">long</strong> s = Socket.accept(handle);<a name="61" href="#61">61</a> <strong class="jxr_keyword">boolean</strong> success = false;<a name="62" href="#62">62</a> <strong class="jxr_keyword">try</strong> {<a name="63" href="#63">63</a> <a href="../../../../../../org/apache/mina/transport/socket/apr/AprSession.html">AprSession</a> result = <strong class="jxr_keyword">new</strong> <a href="../../../../../../org/apache/mina/transport/socket/apr/AprSocketSession.html">AprSocketSession</a>(<strong class="jxr_keyword">this</strong>, processor, s);<a name="64" href="#64">64</a> success = <strong class="jxr_keyword">true</strong>;<a name="65" href="#65">65</a> <strong class="jxr_keyword">return</strong> result;<a name="66" href="#66">66</a> } <strong class="jxr_keyword">finally</strong> {<a name="67" href="#67">67</a> <strong class="jxr_keyword">if</strong> (!success) {<a name="68" href="#68">68</a> Socket.close(s);<a name="69" href="#69">69</a> }<a name="70" href="#70">70</a> }<a name="71" href="#71">71</a> }<a name="72" href="#72">72</a> <a name="73" href="#73">73</a> @Override<a name="74" href="#74">74</a> <strong class="jxr_keyword">protected</strong> Long open(SocketAddress localAddress) <strong class="jxr_keyword">throws</strong> Exception {<a name="75" href="#75">75</a> InetSocketAddress la = (InetSocketAddress) localAddress;<a name="76" href="#76">76</a> <strong class="jxr_keyword">long</strong> handle = Socket.create(<a name="77" href="#77">77</a> Socket.APR_INET, Socket.SOCK_STREAM, Socket.APR_PROTO_TCP, pool);<a name="78" href="#78">78</a> <a name="79" href="#79">79</a> <strong class="jxr_keyword">boolean</strong> success = false;<a name="80" href="#80">80</a> <strong class="jxr_keyword">try</strong> {<a name="81" href="#81">81</a> Socket.optSet(handle, Socket.APR_SO_NONBLOCK, 1);<a name="82" href="#82">82</a> Socket.timeoutSet(handle, 0);<a name="83" href="#83">83</a> <a name="84" href="#84">84</a> <em class="jxr_comment">// Configure the server socket,</em><a name="85" href="#85">85</a> Socket.optSet(handle, Socket.APR_SO_REUSEADDR, isReuseAddress()? 1 : 0);<a name="86" href="#86">86</a> Socket.optSet(handle, Socket.APR_SO_RCVBUF, getSessionConfig().getReceiveBufferSize());<a name="87" href="#87">87</a> <a name="88" href="#88">88</a> <em class="jxr_comment">// and bind.</em><a name="89" href="#89">89</a> <strong class="jxr_keyword">long</strong> sa;<a name="90" href="#90">90</a> <strong class="jxr_keyword">if</strong> (la != <strong class="jxr_keyword">null</strong>) {<a name="91" href="#91">91</a> <strong class="jxr_keyword">if</strong> (la.getAddress() == <strong class="jxr_keyword">null</strong>) {<a name="92" href="#92">92</a> sa = Address.info(Address.APR_ANYADDR, Socket.APR_INET, la.getPort(), 0, pool);<a name="93" href="#93">93</a> } <strong class="jxr_keyword">else</strong> {<a name="94" href="#94">94</a> sa = Address.info(la.getAddress().getHostAddress(), Socket.APR_INET, la.getPort(), 0, pool);<a name="95" href="#95">95</a> }<a name="96" href="#96">96</a> } <strong class="jxr_keyword">else</strong> {<a name="97" href="#97">97</a> sa = Address.info(Address.APR_ANYADDR, Socket.APR_INET, 0, 0, pool);<a name="98" href="#98">98</a> }<a name="99" href="#99">99</a> <a name="100" href="#100">100</a> <strong class="jxr_keyword">int</strong> result = Socket.bind(handle, sa);<a name="101" href="#101">101</a> <strong class="jxr_keyword">if</strong> (result != Status.APR_SUCCESS) {<a name="102" href="#102">102</a> throwException(result);<a name="103" href="#103">103</a> }<a name="104" href="#104">104</a> result = Socket.listen(handle, getBacklog());<a name="105" href="#105">105</a> <strong class="jxr_keyword">if</strong> (result != Status.APR_SUCCESS) {<a name="106" href="#106">106</a> throwException(result);<a name="107" href="#107">107</a> }<a name="108" href="#108">108</a> <a name="109" href="#109">109</a> result = Poll.add(pollset, handle, Poll.APR_POLLIN);<a name="110" href="#110">110</a> <strong class="jxr_keyword">if</strong> (result != Status.APR_SUCCESS) {<a name="111" href="#111">111</a> throwException(result);<a name="112" href="#112">112</a> }<a name="113" href="#113">113</a> success = <strong class="jxr_keyword">true</strong>;<a name="114" href="#114">114</a> } <strong class="jxr_keyword">finally</strong> {<a name="115" href="#115">115</a> <strong class="jxr_keyword">if</strong> (!success) {<a name="116" href="#116">116</a> close(handle);<a name="117" href="#117">117</a> }<a name="118" href="#118">118</a> }<a name="119" href="#119">119</a> <strong class="jxr_keyword">return</strong> handle;<a name="120" href="#120">120</a> }<a name="121" href="#121">121</a> <a name="122" href="#122">122</a> @Override<a name="123" href="#123">123</a> <strong class="jxr_keyword">protected</strong> <strong class="jxr_keyword">void</strong> init() <strong class="jxr_keyword">throws</strong> Exception {<a name="124" href="#124">124</a> wakeupSocket = Socket.create(<a name="125" href="#125">125</a> Socket.APR_INET, Socket.SOCK_DGRAM, Socket.APR_PROTO_UDP, <a href="../../../../../../org/apache/mina/transport/socket/apr/AprLibrary.html">AprLibrary</a><a name="126" href="#126">126</a> .getInstance().getRootPool());<a name="127" href="#127">127</a> <a name="128" href="#128">128</a> <em class="jxr_comment">// initialize a memory pool for APR functions</em><a name="129" href="#129">129</a> pool = Pool.create(AprLibrary.getInstance().getRootPool());<a name="130" href="#130">130</a> <a name="131" href="#131">131</a> pollset = Poll.create(<a name="132" href="#132">132</a> POLLSET_SIZE,<a name="133" href="#133">133</a> pool,<a name="134" href="#134">134</a> Poll.APR_POLLSET_THREADSAFE,<a name="135" href="#135">135</a> Long.MAX_VALUE);<a name="136" href="#136">136</a> <a name="137" href="#137">137</a> <strong class="jxr_keyword">if</strong> (pollset <= 0) {<a name="138" href="#138">138</a> pollset = Poll.create(<a name="139" href="#139">139</a> 62,<a name="140" href="#140">140</a> pool,<a name="141" href="#141">141</a> Poll.APR_POLLSET_THREADSAFE,<a name="142" href="#142">142</a> Long.MAX_VALUE);<a name="143" href="#143">143</a> }<a name="144" href="#144">144</a> <a name="145" href="#145">145</a> <strong class="jxr_keyword">if</strong> (pollset <= 0) {<a name="146" href="#146">146</a> <strong class="jxr_keyword">if</strong> (Status.APR_STATUS_IS_ENOTIMPL(- (<strong class="jxr_keyword">int</strong>) pollset)) {<a name="147" href="#147">147</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> <a href="../../../../../../org/apache/mina/common/RuntimeIoException.html">RuntimeIoException</a>(<a name="148" href="#148">148</a> <span class="jxr_string">"Thread-safe pollset is not supported in this platform."</span>);⌨️ 快捷键说明
复制代码
Ctrl + C
搜索代码
Ctrl + F
全屏模式
F11
切换主题
Ctrl + Shift + D
显示快捷键
?
增大字号
Ctrl + =
减小字号
Ctrl + -