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| <div id="overview"><a href="../../../../../../apidocs/org/apache/mina/io/socket/SocketIoProcessor.html">View Javadoc</a></div><pre> |
|
|
| <a name="1" href="#1">1</a> <em class="comment">/*</em>
|
| <a name="2" href="#2">2</a> <em class="comment"> * @(#) $Id: SocketIoProcessor.java 210062 2005-07-11 03:52:38Z trustin $</em>
|
| <a name="3" href="#3">3</a> <em class="comment"> *</em>
|
| <a name="4" href="#4">4</a> <em class="comment"> * Copyright 2004 The Apache Software Foundation</em>
|
| <a name="5" href="#5">5</a> <em class="comment"> *</em>
|
| <a name="6" href="#6">6</a> <em class="comment"> * Licensed under the Apache License, Version 2.0 (the "License");</em>
|
| <a name="7" href="#7">7</a> <em class="comment"> * you may not use this file except in compliance with the License.</em>
|
| <a name="8" href="#8">8</a> <em class="comment"> * You may obtain a copy of the License at</em>
|
| <a name="9" href="#9">9</a> <em class="comment"> *</em>
|
| <a name="10" href="#10">10</a> <em class="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 name="11" href="#11">11</a> <em class="comment"> *</em>
|
| <a name="12" href="#12">12</a> <em class="comment"> * Unless required by applicable law or agreed to in writing, software</em>
|
| <a name="13" href="#13">13</a> <em class="comment"> * distributed under the License is distributed on an "AS IS" BASIS,</em>
|
| <a name="14" href="#14">14</a> <em class="comment"> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</em>
|
| <a name="15" href="#15">15</a> <em class="comment"> * See the License for the specific language governing permissions and</em>
|
| <a name="16" href="#16">16</a> <em class="comment"> * limitations under the License.</em>
|
| <a name="17" href="#17">17</a> <em class="comment"> *</em>
|
| <a name="18" href="#18">18</a> <em class="comment"> */</em>
|
| <a name="19" href="#19">19</a> <strong>package</strong> <a href="../../../../../org/apache/mina/io/socket/package-summary.html">org.apache.mina.io.socket</a>;
|
| <a name="20" href="#20">20</a>
|
| <a name="21" href="#21">21</a> <strong>import</strong> java.io.IOException;
|
| <a name="22" href="#22">22</a> <strong>import</strong> java.nio.channels.SelectionKey;
|
| <a name="23" href="#23">23</a> <strong>import</strong> java.nio.channels.Selector;
|
| <a name="24" href="#24">24</a> <strong>import</strong> java.nio.channels.SocketChannel;
|
| <a name="25" href="#25">25</a> <strong>import</strong> java.util.Iterator;
|
| <a name="26" href="#26">26</a> <strong>import</strong> java.util.Set;
|
| <a name="27" href="#27">27</a>
|
| <a name="28" href="#28">28</a> <strong>import</strong> org.apache.mina.common.ByteBuffer;
|
| <a name="29" href="#29">29</a> <strong>import</strong> org.apache.mina.common.IdleStatus;
|
| <a name="30" href="#30">30</a> <strong>import</strong> org.apache.mina.common.SessionConfig;
|
| <a name="31" href="#31">31</a> <strong>import</strong> org.apache.mina.io.WriteTimeoutException;
|
| <a name="32" href="#32">32</a> <strong>import</strong> org.apache.mina.util.Queue;
|
| <a name="33" href="#33">33</a>
|
| <a name="34" href="#34">34</a> <em>/**<em>*</em></em>
|
| <a name="35" href="#35">35</a> <em> * Performs all I/O operations for sockets which is connected or bound.</em>
|
| <a name="36" href="#36">36</a> <em> * This class is used by MINA internally.</em>
|
| <a name="37" href="#37">37</a> <em> * </em>
|
| <a name="38" href="#38">38</a> <em> * @author Trustin Lee (trustin@apache.org)</em>
|
| <a name="39" href="#39">39</a> <em> * @version $Rev: 210062 $, $Date: 2005-07-11 12:52:38 +0900 $,</em>
|
| <a name="40" href="#40">40</a> <em> */</em>
|
| <a name="41" href="#41">41</a> <strong>class</strong> <a href="../../../../../org/apache/mina/io/socket/SocketIoProcessor.html">SocketIoProcessor</a>
|
| <a name="42" href="#42">42</a> {
|
| <a name="43" href="#43">43</a> <strong>private</strong> <strong>static</strong> <strong>final</strong> <a href="../../../../../org/apache/mina/io/socket/SocketIoProcessor.html">SocketIoProcessor</a> instance;
|
| <a name="44" href="#44">44</a>
|
| <a name="45" href="#45">45</a> <strong>static</strong>
|
| <a name="46" href="#46">46</a> {
|
| <a name="47" href="#47">47</a> <a href="../../../../../org/apache/mina/io/socket/SocketIoProcessor.html">SocketIoProcessor</a> tmp;
|
| <a name="48" href="#48">48</a>
|
| <a name="49" href="#49">49</a> <strong>try</strong>
|
| <a name="50" href="#50">50</a> {
|
| <a name="51" href="#51">51</a> tmp = <strong>new</strong> <a href="../../../../../org/apache/mina/io/socket/SocketIoProcessor.html">SocketIoProcessor</a>();
|
| <a name="52" href="#52">52</a> }
|
| <a name="53" href="#53">53</a> <strong>catch</strong>( IOException e )
|
| <a name="54" href="#54">54</a> {
|
| <a name="55" href="#55">55</a> InternalError error = <strong>new</strong> InternalError(
|
| <a name="56" href="#56">56</a> <span class="string">"Failed to open selector."</span> );
|
| <a name="57" href="#57">57</a> error.initCause( e );
|
| <a name="58" href="#58">58</a> <strong>throw</strong> error;
|
| <a name="59" href="#59">59</a> }
|
| <a name="60" href="#60">60</a>
|
| <a name="61" href="#61">61</a> instance = tmp;
|
| <a name="62" href="#62">62</a> }
|
| <a name="63" href="#63">63</a>
|
| <a name="64" href="#64">64</a> <strong>private</strong> <strong>final</strong> Selector selector;
|
| <a name="65" href="#65">65</a>
|
| <a name="66" href="#66">66</a> <strong>private</strong> <strong>final</strong> <a href="../../../../../org/apache/mina/util/Queue.html">Queue</a> <strong>new</strong>Sessions = <strong>new</strong> <a href="../../../../../org/apache/mina/util/Queue.html">Queue</a>();
|
| <a name="67" href="#67">67</a>
|
| <a name="68" href="#68">68</a> <strong>private</strong> <strong>final</strong> <a href="../../../../../org/apache/mina/util/Queue.html">Queue</a> removingSessions = <strong>new</strong> <a href="../../../../../org/apache/mina/util/Queue.html">Queue</a>();
|
| <a name="69" href="#69">69</a>
|
| <a name="70" href="#70">70</a> <strong>private</strong> <strong>final</strong> <a href="../../../../../org/apache/mina/util/Queue.html">Queue</a> flushingSessions = <strong>new</strong> <a href="../../../../../org/apache/mina/util/Queue.html">Queue</a>();
|
| <a name="71" href="#71">71</a>
|
| <a name="72" href="#72">72</a> <strong>private</strong> <strong>final</strong> <a href="../../../../../org/apache/mina/util/Queue.html">Queue</a> readableSessions = <strong>new</strong> <a href="../../../../../org/apache/mina/util/Queue.html">Queue</a>();
|
| <a name="73" href="#73">73</a>
|
| <a name="74" href="#74">74</a> <strong>private</strong> Worker worker;
|
| <a name="75" href="#75">75</a>
|
| <a name="76" href="#76">76</a> <strong>private</strong> <strong>long</strong> lastIdleCheckTime = System.currentTimeMillis();
|
| <a name="77" href="#77">77</a>
|
| <a name="78" href="#78">78</a> <strong>private</strong> <a href="../../../../../org/apache/mina/io/socket/SocketIoProcessor.html">SocketIoProcessor</a>() throws IOException
|
| <a name="79" href="#79">79</a> {
|
| <a name="80" href="#80">80</a> selector = Selector.open();
|
| <a name="81" href="#81">81</a> }
|
| <a name="82" href="#82">82</a>
|
| <a name="83" href="#83">83</a> <strong>static</strong> <a href="../../../../../org/apache/mina/io/socket/SocketIoProcessor.html">SocketIoProcessor</a> getInstance()
|
| <a name="84" href="#84">84</a> {
|
| <a name="85" href="#85">85</a> <strong>return</strong> instance;
|
| <a name="86" href="#86">86</a> }
|
| <a name="87" href="#87">87</a>
|
| <a name="88" href="#88">88</a> <strong>void</strong> addSession( SocketSession session )
|
| <a name="89" href="#89">89</a> {
|
| <a name="90" href="#90">90</a> <strong>synchronized</strong>( <strong>this</strong> )
|
| <a name="91" href="#91">91</a> {
|
| <a name="92" href="#92">92</a> <strong>synchronized</strong>( newSessions )
|
| <a name="93" href="#93">93</a> {
|
| <a name="94" href="#94">94</a> newSessions.push( session );
|
| <a name="95" href="#95">95</a> }
|
| <a name="96" href="#96">96</a> startupWorker();
|
| <a name="97" href="#97">97</a> }
|
| <a name="98" href="#98">98</a>
|
| <a name="99" href="#99">99</a> selector.wakeup();
|
| <a name="100" href="#100">100</a> }
|
| <a name="101" href="#101">101</a>
|
| <a name="102" href="#102">102</a> <strong>void</strong> removeSession( SocketSession session )
|
| <a name="103" href="#103">103</a> {
|
| <a name="104" href="#104">104</a> scheduleRemove( session );
|
| <a name="105" href="#105">105</a> startupWorker();
|
| <a name="106" href="#106">106</a> selector.wakeup();
|
| <a name="107" href="#107">107</a> }
|
| <a name="108" href="#108">108</a>
|
| <a name="109" href="#109">109</a> <strong>private</strong> <strong>synchronized</strong> <strong>void</strong> startupWorker()
|
| <a name="110" href="#110">110</a> {
|
| <a name="111" href="#111">111</a> <strong>if</strong>( worker == <strong>null</strong> )
|
| <a name="112" href="#112">112</a> {
|
| <a name="113" href="#113">113</a> worker = <strong>new</strong> Worker();
|
| <a name="114" href="#114">114</a> worker.start();
|
| <a name="115" href="#115">115</a> }
|
| <a name="116" href="#116">116</a> }
|
| <a name="117" href="#117">117</a>
|
| <a name="118" href="#118">118</a> <strong>void</strong> flushSession( SocketSession session )
|
| <a name="119" href="#119">119</a> {
|
| <a name="120" href="#120">120</a> scheduleFlush( session );
|
| <a name="121" href="#121">121</a> selector.wakeup();
|
| <a name="122" href="#122">122</a> }
|
| <a name="123" href="#123">123</a>
|
| <a name="124" href="#124">124</a> <strong>void</strong> addReadableSession( SocketSession session )
|
| <a name="125" href="#125">125</a> {
|
| <a name="126" href="#126">126</a> <strong>synchronized</strong>( readableSessions )
|
| <a name="127" href="#127">127</a> {
|
| <a name="128" href="#128">128</a> readableSessions.push( session );
|
| <a name="129" href="#129">129</a> }
|
| <a name="130" href="#130">130</a> selector.wakeup();
|
| <a name="131" href="#131">131</a> }
|
| <a name="132" href="#132">132</a>
|
| <a name="133" href="#133">133</a> <strong>private</strong> <strong>void</strong> addSessions()
|
| <a name="134" href="#134">134</a> {
|
| <a name="135" href="#135">135</a> <strong>if</strong>( newSessions.isEmpty() )
|
| <a name="136" href="#136">136</a> <strong>return</strong>;
|
| <a name="137" href="#137">137</a>
|
| <a name="138" href="#138">138</a> <a href="../../../../../org/apache/mina/io/socket/SocketSession.html">SocketSession</a> session;
|
| <a name="139" href="#139">139</a>
|
| <a name="140" href="#140">140</a> <strong>for</strong>( ;; )
|
| <a name="141" href="#141">141</a> {
|
| <a name="142" href="#142">142</a> <strong>synchronized</strong>( newSessions )
|
| <a name="143" href="#143">143</a> {
|
| <a name="144" href="#144">144</a> session = ( SocketSession ) newSessions.pop();
|
| <a name="145" href="#145">145</a> }
|
| <a name="146" href="#146">146</a>
|
| <a name="147" href="#147">147</a> <strong>if</strong>( session == <strong>null</strong> )
|
| <a name="148" href="#148">148</a> <strong>break</strong>;
|
| <a name="149" href="#149">149</a>
|
| <a name="150" href="#150">150</a> SocketChannel ch = session.getChannel();
|
| <a name="151" href="#151">151</a> <strong>boolean</strong> registered;
|
| <a name="152" href="#152">152</a>
|
| <a name="153" href="#153">153</a> <strong>try</strong>
|
| <a name="154" href="#154">154</a> {
|
| <a name="155" href="#155">155</a> ch.configureBlocking( false );
|
| <a name="156" href="#156">156</a> session.setSelectionKey( ch.register( selector,
|
| <a name="157" href="#157">157</a> SelectionKey.OP_READ,
|
| <a name="158" href="#158">158</a> session ) );
|
| <a name="159" href="#159">159</a> registered = <strong>true</strong>;
|
| <a name="160" href="#160">160</a> }
|
| <a name="161" href="#161">161</a> <strong>catch</strong>( IOException e )
|
| <a name="162" href="#162">162</a> {
|
| <a name="163" href="#163">163</a> registered = false;
|
| <a name="164" href="#164">164</a> session.getManagerFilterChain().exceptionCaught( session, e );
|
| <a name="165" href="#165">165</a> }
|
| <a name="166" href="#166">166</a>
|
| <a name="167" href="#167">167</a> <strong>if</strong>( registered )
|
| <a name="168" href="#168">168</a> {
|
| <a name="169" href="#169">169</a> session.getManagerFilterChain().sessionOpened( session );
|
| <a name="170" href="#170">170</a> }
|
| <a name="171" href="#171">171</a> }
|
| <a name="172" href="#172">172</a> }
|
| <a name="173" href="#173">173</a>
|
| <a name="174" href="#174">174</a> <strong>private</strong> <strong>void</strong> removeSessions()
|
| <a name="175" href="#175">175</a> {
|
| <a name="176" href="#176">176</a> <strong>if</strong>( removingSessions.isEmpty() )
|
| <a name="177" href="#177">177</a> <strong>return</strong>;
|
| <a name="178" href="#178">178</a>
|
| <a name="179" href="#179">179</a> <strong>for</strong>( ;; )
|
| <a name="180" href="#180">180</a> {
|
| <a name="181" href="#181">181</a> <a href="../../../../../org/apache/mina/io/socket/SocketSession.html">SocketSession</a> session;
|
| <a name="182" href="#182">182</a>
|
| <a name="183" href="#183">183</a> <strong>synchronized</strong>( removingSessions )
|
| <a name="184" href="#184">184</a> {
|
| <a name="185" href="#185">185</a> session = ( SocketSession ) removingSessions.pop();
|
| <a name="186" href="#186">186</a> }
|
| <a name="187" href="#187">187</a>
|
| <a name="188" href="#188">188</a> <strong>if</strong>( session == <strong>null</strong> )
|
| <a name="189" href="#189">189</a> <strong>break</strong>;
|
| <a name="190" href="#190">190</a>
|
| <a name="191" href="#191">191</a> SocketChannel ch = session.getChannel();
|
| <a name="192" href="#192">192</a> SelectionKey key = session.getSelectionKey();
|
| <a name="193" href="#193">193</a> <em class="comment">// Retry later if session is not yet fully initialized.</em>
|
| <a name="194" href="#194">194</a> <em class="comment">// (In case that Session.close() is called before addSession() is processed)</em>
|
| <a name="195" href="#195">195</a> <strong>if</strong>( key == <strong>null</strong> )
|
| <a name="196" href="#196">196</a> {
|
| <a name="197" href="#197">197</a> scheduleRemove( session );
|
| <a name="198" href="#198">198</a> <strong>break</strong>;
|
| <a name="199" href="#199">199</a> }
|
| <a name="200" href="#200">200</a>
|
| <a name="201" href="#201">201</a> <em class="comment">// skip if channel is already closed</em>
|
| <a name="202" href="#202">202</a> <strong>if</strong>( !key.isValid() )
|
| <a name="203" href="#203">203</a> {
|
| <a name="204" href="#204">204</a> <strong>continue</strong>;
|
| <a name="205" href="#205">205</a> }
|
| <a name="206" href="#206">206</a>
|
| <a name="207" href="#207">207</a> <strong>try</strong>
|
| <a name="208" href="#208">208</a> {
|
| <a name="209" href="#209">209</a> key.cancel();
|
| <a name="210" href="#210">210</a> ch.close();
|
| <a name="211" href="#211">211</a> }
|
| <a name="212" href="#212">212</a> <strong>catch</strong>( IOException e )
|
| <a name="213" href="#213">213</a> {
|
| <a name="214" href="#214">214</a> session.getManagerFilterChain().exceptionCaught( session, e );
|
| <a name="215" href="#215">215</a> }
|
| <a name="216" href="#216">216</a> <strong>finally</strong>
|
| <a name="217" href="#217">217</a> {
|
| <a name="218" href="#218">218</a> releaseWriteBuffers( session );
|
| <a name="219" href="#219">219</a>
|
| <a name="220" href="#220">220</a> session.getManagerFilterChain().sessionClosed( session );
|
| <a name="221" href="#221">221</a> session.notifyClose();
|
| <a name="222" href="#222">222</a> }
|
| <a name="223" href="#223">223</a> }
|
| <a name="224" href="#224">224</a> }
|
| <a name="225" href="#225">225</a>
|
| <a name="226" href="#226">226</a> <strong>private</strong> <strong>void</strong> processSessions( Set selectedKeys )
|
| <a name="227" href="#227">227</a> {
|
| <a name="228" href="#228">228</a> Iterator it = selectedKeys.iterator();
|
| <a name="229" href="#229">229</a>
|
| <a name="230" href="#230">230</a> <strong>while</strong>( it.hasNext() )
|
| <a name="231" href="#231">231</a> {
|
| <a name="232" href="#232">232</a> SelectionKey key = ( SelectionKey ) it.next();
|
| <a name="233" href="#233">233</a> <a href="../../../../../org/apache/mina/io/socket/SocketSession.html">SocketSession</a> session = ( SocketSession ) key.attachment();
|
| <a name="234" href="#234">234</a>
|
| <a name="235" href="#235">235</a> <strong>if</strong>( key.isReadable() )
|
| <a name="236" href="#236">236</a> {
|
| <a name="237" href="#237">237</a> read( session );
|
| <a name="238" href="#238">238</a> }
|
| <a name="239" href="#239">239</a>
|
| <a name="240" href="#240">240</a> <strong>if</strong>( key.isWritable() )
|
| <a name="241" href="#241">241</a> {
|
| <a name="242" href="#242">242</a> scheduleFlush( session );
|
| <a name="243" href="#243">243</a> }
|
| <a name="244" href="#244">244</a> }
|
| <a name="245" href="#245">245</a>
|
| <a name="246" href="#246">246</a> selectedKeys.clear();
|
| <a name="247" href="#247">247</a> }
|
| <a name="248" href="#248">248</a>
|
| <a name="249" href="#249">249</a> <strong>private</strong> <strong>void</strong> read( SocketSession session )
|
| <a name="250" href="#250">250</a> {
|
| <a name="251" href="#251">251</a> <a href="../../../../../org/apache/mina/common/ByteBuffer.html">ByteBuffer</a> buf = ByteBuffer.allocate(
|
| <a name="252" href="#252">252</a> (( <a href="../../../../../org/apache/mina/io/socket/SocketSessionConfig.html">SocketSessionConfig</a> ) session.getConfig()).getSessionReceiveBufferSize() );
|
| <a name="253" href="#253">253</a> SocketChannel ch = session.getChannel();
|
| <a name="254" href="#254">254</a>
|
| <a name="255" href="#255">255</a> <strong>try</strong>
|
| <a name="256" href="#256">256</a> {
|
| <a name="257" href="#257">257</a> <strong>int</strong> readBytes = 0;
|
| <a name="258" href="#258">258</a> <strong>int</strong> ret;
|
| <a name="259" href="#259">259</a>
|
| <a name="260" href="#260">260</a> buf.clear();
|
| <a name="261" href="#261">261</a>
|
| <a name="262" href="#262">262</a> <strong>try</strong>
|
| <a name="263" href="#263">263</a> {
|
| <a name="264" href="#264">264</a> <strong>while</strong>( ( ret = ch.read( buf.buf() ) ) > 0 )
|
| <a name="265" href="#265">265</a> {
|
| <a name="266" href="#266">266</a> readBytes += ret;
|
| <a name="267" href="#267">267</a> }
|
| <a name="268" href="#268">268</a> }
|
| <a name="269" href="#269">269</a> <strong>finally</strong>
|
| <a name="270" href="#270">270</a> {
|
| <a name="271" href="#271">271</a> buf.flip();
|
| <a name="272" href="#272">272</a> }
|
| <a name="273" href="#273">273</a>
|
| <a name="274" href="#274">274</a> session.increaseReadBytes( readBytes );
|
| <a name="275" href="#275">275</a> session.setIdle( IdleStatus.BOTH_IDLE, false );
|
| <a name="276" href="#276">276</a> session.setIdle( IdleStatus.READER_IDLE, false );
|
| <a name="277" href="#277">277</a>
|
| <a name="278" href="#278">278</a> <strong>if</strong>( readBytes > 0 )
|
| <a name="279" href="#279">279</a> {
|
| <a name="280" href="#280">280</a> <a href="../../../../../org/apache/mina/common/ByteBuffer.html">ByteBuffer</a> newBuf = ByteBuffer.allocate( readBytes );
|
| <a name="281" href="#281">281</a> newBuf.put( buf );
|
| <a name="282" href="#282">282</a> newBuf.flip();
|
| <a name="283" href="#283">283</a> session.getManagerFilterChain().dataRead( session, newBuf );
|
| <a name="284" href="#284">284</a> }
|
| <a name="285" href="#285">285</a> <strong>if</strong>( ret < 0 )
|
| <a name="286" href="#286">286</a> {
|
| <a name="287" href="#287">287</a> scheduleRemove( session );
|
| <a name="288" href="#288">288</a> }
|
| <a name="289" href="#289">289</a> }
|
| <a name="290" href="#290">290</a> <strong>catch</strong>( Throwable e )
|
| <a name="291" href="#291">291</a> {
|
| <a name="292" href="#292">292</a> <strong>if</strong>( e instanceof IOException )
|
| <a name="293" href="#293">293</a> scheduleRemove( session );
|
| <a name="294" href="#294">294</a> session.getManagerFilterChain().exceptionCaught( session, e );
|
| <a name="295" href="#295">295</a> }
|
| <a name="296" href="#296">296</a> <strong>finally</strong>
|
| <a name="297" href="#297">297</a> {
|
| <a name="298" href="#298">298</a> buf.release();
|
| <a name="299" href="#299">299</a> }
|
| <a name="300" href="#300">300</a> }
|
| <a name="301" href="#301">301</a>
|
| <a name="302" href="#302">302</a> <strong>private</strong> <strong>void</strong> scheduleRemove( SocketSession session )
|
| <a name="303" href="#303">303</a> {
|
| <a name="304" href="#304">304</a> <strong>synchronized</strong>( removingSessions )
|
| <a name="305" href="#305">305</a> {
|
| <a name="306" href="#306">306</a> removingSessions.push( session );
|
| <a name="307" href="#307">307</a> }
|
| <a name="308" href="#308">308</a> }
|
| <a name="309" href="#309">309</a>
|
| <a name="310" href="#310">310</a> <strong>private</strong> <strong>void</strong> scheduleFlush( SocketSession session )
|
| <a name="311" href="#311">311</a> {
|
| <a name="312" href="#312">312</a> <strong>synchronized</strong>( flushingSessions )
|
| <a name="313" href="#313">313</a> {
|
| <a name="314" href="#314">314</a> flushingSessions.push( session );
|
| <a name="315" href="#315">315</a> }
|
| <a name="316" href="#316">316</a> }
|
| <a name="317" href="#317">317</a>
|
| <a name="318" href="#318">318</a> <strong>private</strong> <strong>void</strong> notifyIdleSessions()
|
| <a name="319" href="#319">319</a> {
|
| <a name="320" href="#320">320</a> Set keys = selector.keys();
|
| <a name="321" href="#321">321</a> Iterator it;
|
| <a name="322" href="#322">322</a> <a href="../../../../../org/apache/mina/io/socket/SocketSession.html">SocketSession</a> session;
|
| <a name="323" href="#323">323</a>
|
| <a name="324" href="#324">324</a> <em class="comment">// process idle sessions</em>
|
| <a name="325" href="#325">325</a> <strong>long</strong> currentTime = System.currentTimeMillis();
|
| <a name="326" href="#326">326</a>
|
| <a name="327" href="#327">327</a> <strong>if</strong>( ( keys != <strong>null</strong> ) && ( ( currentTime - lastIdleCheckTime ) >= 1000 ) )
|
| <a name="328" href="#328">328</a> {
|
| <a name="329" href="#329">329</a> lastIdleCheckTime = currentTime;
|
| <a name="330" href="#330">330</a> it = keys.iterator();
|
| <a name="331" href="#331">331</a>
|
| <a name="332" href="#332">332</a> <strong>while</strong>( it.hasNext() )
|
| <a name="333" href="#333">333</a> {
|
| <a name="334" href="#334">334</a> SelectionKey key = ( SelectionKey ) it.next();
|
| <a name="335" href="#335">335</a> session = ( SocketSession ) key.attachment();
|
| <a name="336" href="#336">336</a>
|
| <a name="337" href="#337">337</a> notifyIdleSession( session, currentTime );
|
| <a name="338" href="#338">338</a> }
|
| <a name="339" href="#339">339</a> }
|
| <a name="340" href="#340">340</a> }
|
| <a name="341" href="#341">341</a>
|
| <a name="342" href="#342">342</a> <strong>private</strong> <strong>void</strong> notifyIdleSession( SocketSession session, <strong>long</strong> currentTime )
|
| <a name="343" href="#343">343</a> {
|
| <a name="344" href="#344">344</a> <a href="../../../../../org/apache/mina/common/SessionConfig.html">SessionConfig</a> config = session.getConfig();
|
| <a name="345" href="#345">345</a>
|
| <a name="346" href="#346">346</a> notifyIdleSession0( session, currentTime, config
|
| <a name="347" href="#347">347</a> .getIdleTimeInMillis( IdleStatus.BOTH_IDLE ),
|
| <a name="348" href="#348">348</a> IdleStatus.BOTH_IDLE, session.getLastIoTime() );
|
| <a name="349" href="#349">349</a> notifyIdleSession0( session, currentTime, config
|
| <a name="350" href="#350">350</a> .getIdleTimeInMillis( IdleStatus.READER_IDLE ),
|
| <a name="351" href="#351">351</a> IdleStatus.READER_IDLE, session.getLastReadTime() );
|
| <a name="352" href="#352">352</a> notifyIdleSession0( session, currentTime, config
|
| <a name="353" href="#353">353</a> .getIdleTimeInMillis( IdleStatus.WRITER_IDLE ),
|
| <a name="354" href="#354">354</a> IdleStatus.WRITER_IDLE, session.getLastWriteTime() );
|
| <a name="355" href="#355">355</a>
|
| <a name="356" href="#356">356</a> notifyWriteTimeoutSession( session, currentTime, config
|
| <a name="357" href="#357">357</a> .getWriteTimeoutInMillis(), session.getLastWriteTime() );
|
| <a name="358" href="#358">358</a> }
|
| <a name="359" href="#359">359</a>
|
| <a name="360" href="#360">360</a> <strong>private</strong> <strong>void</strong> notifyIdleSession0( SocketSession session, <strong>long</strong> currentTime,
|
| <a name="361" href="#361">361</a> <strong>long</strong> idleTime, <a href="../../../../../org/apache/mina/common/IdleStatus.html">IdleStatus</a> status,
|
| <a name="362" href="#362">362</a> <strong>long</strong> lastIoTime )
|
| <a name="363" href="#363">363</a> {
|
| <a name="364" href="#364">364</a> <strong>if</strong>( idleTime > 0 && !session.isIdle( status ) && lastIoTime != 0
|
| <a name="365" href="#365">365</a> && ( currentTime - lastIoTime ) >= idleTime )
|
| <a name="366" href="#366">366</a> {
|
| <a name="367" href="#367">367</a> session.setIdle( status, <strong>true</strong> );
|
| <a name="368" href="#368">368</a> session.getManagerFilterChain().sessionIdle( session, status );
|
| <a name="369" href="#369">369</a> }
|
| <a name="370" href="#370">370</a> }
|
| <a name="371" href="#371">371</a>
|
| <a name="372" href="#372">372</a> <strong>private</strong> <strong>void</strong> notifyWriteTimeoutSession( SocketSession session,
|
| <a name="373" href="#373">373</a> <strong>long</strong> currentTime,
|
| <a name="374" href="#374">374</a> <strong>long</strong> writeTimeout, <strong>long</strong> lastIoTime )
|
| <a name="375" href="#375">375</a> {
|
| <a name="376" href="#376">376</a> <strong>if</strong>( writeTimeout > 0
|
| <a name="377" href="#377">377</a> && ( currentTime - lastIoTime ) >= writeTimeout
|
| <a name="378" href="#378">378</a> && session.getSelectionKey() != <strong>null</strong>
|
| <a name="379" href="#379">379</a> && ( session.getSelectionKey().interestOps() & SelectionKey.OP_WRITE ) != 0 )
|
| <a name="380" href="#380">380</a> {
|
| <a name="381" href="#381">381</a> session
|
| <a name="382" href="#382">382</a> .getManagerFilterChain()
|
| <a name="383" href="#383">383</a> .exceptionCaught( session, <strong>new</strong> WriteTimeoutException() );
|
| <a name="384" href="#384">384</a> }
|
| <a name="385" href="#385">385</a> }
|
| <a name="386" href="#386">386</a>
|
| <a name="387" href="#387">387</a> <strong>private</strong> <strong>void</strong> flushSessions()
|
| <a name="388" href="#388">388</a> {
|
| <a name="389" href="#389">389</a> <strong>if</strong>( flushingSessions.size() == 0 )
|
| <a name="390" href="#390">390</a> <strong>return</strong>;
|
| <a name="391" href="#391">391</a>
|
| <a name="392" href="#392">392</a> <strong>for</strong>( ;; )
|
| <a name="393" href="#393">393</a> {
|
| <a name="394" href="#394">394</a> <a href="../../../../../org/apache/mina/io/socket/SocketSession.html">SocketSession</a> session;
|
| <a name="395" href="#395">395</a>
|
| <a name="396" href="#396">396</a> <strong>synchronized</strong>( flushingSessions )
|
| <a name="397" href="#397">397</a> {
|
| <a name="398" href="#398">398</a> session = ( SocketSession ) flushingSessions.pop();
|
| <a name="399" href="#399">399</a> }
|
| <a name="400" href="#400">400</a>
|
| <a name="401" href="#401">401</a> <strong>if</strong>( session == <strong>null</strong> )
|
| <a name="402" href="#402">402</a> <strong>break</strong>;
|
| <a name="403" href="#403">403</a>
|
| <a name="404" href="#404">404</a> <strong>if</strong>( !session.isConnected() )
|
| <a name="405" href="#405">405</a> {
|
| <a name="406" href="#406">406</a> releaseWriteBuffers( session );
|
| <a name="407" href="#407">407</a> <strong>continue</strong>;
|
| <a name="408" href="#408">408</a> }
|
| <a name="409" href="#409">409</a>
|
| <a name="410" href="#410">410</a> <em class="comment">// If encountered write request before session is initialized, </em>
|
| <a name="411" href="#411">411</a> <em class="comment">// (In case that Session.write() is called before addSession() is processed)</em>
|
| <a name="412" href="#412">412</a> <strong>if</strong>( session.getSelectionKey() == <strong>null</strong> )
|
| <a name="413" href="#413">413</a> {
|
| <a name="414" href="#414">414</a> <em class="comment">// Reschedule for later write</em>
|
| <a name="415" href="#415">415</a> scheduleFlush( session );
|
| <a name="416" href="#416">416</a> <strong>break</strong>;
|
| <a name="417" href="#417">417</a> }
|
| <a name="418" href="#418">418</a> <strong>else</strong>
|
| <a name="419" href="#419">419</a> {
|
| <a name="420" href="#420">420</a> <strong>try</strong>
|
| <a name="421" href="#421">421</a> {
|
| <a name="422" href="#422">422</a> flush( session );
|
| <a name="423" href="#423">423</a> }
|
| <a name="424" href="#424">424</a> <strong>catch</strong>( IOException e )
|
| <a name="425" href="#425">425</a> {
|
| <a name="426" href="#426">426</a> scheduleRemove( session );
|
| <a name="427" href="#427">427</a> session.getManagerFilterChain().exceptionCaught( session, e );
|
| <a name="428" href="#428">428</a> }
|
| <a name="429" href="#429">429</a> }
|
| <a name="430" href="#430">430</a> }
|
| <a name="431" href="#431">431</a> }
|
| <a name="432" href="#432">432</a>
|
| <a name="433" href="#433">433</a> <strong>private</strong> <strong>void</strong> releaseWriteBuffers( SocketSession session )
|
| <a name="434" href="#434">434</a> {
|
| <a name="435" href="#435">435</a> <a href="../../../../../org/apache/mina/util/Queue.html">Queue</a> writeBufferQueue = session.getWriteBufferQueue();
|
| <a name="436" href="#436">436</a> session.getWriteMarkerQueue().clear();
|
| <a name="437" href="#437">437</a> <a href="../../../../../org/apache/mina/common/ByteBuffer.html">ByteBuffer</a> buf;
|
| <a name="438" href="#438">438</a>
|
| <a name="439" href="#439">439</a> <strong>while</strong>( ( buf = (ByteBuffer) writeBufferQueue.pop() ) != <strong>null</strong> )
|
| <a name="440" href="#440">440</a> {
|
| <a name="441" href="#441">441</a> <strong>try</strong>
|
| <a name="442" href="#442">442</a> {
|
| <a name="443" href="#443">443</a> buf.release();
|
| <a name="444" href="#444">444</a> }
|
| <a name="445" href="#445">445</a> <strong>catch</strong>( IllegalStateException e )
|
| <a name="446" href="#446">446</a> {
|
| <a name="447" href="#447">447</a> session.getManagerFilterChain().exceptionCaught( session, e );
|
| <a name="448" href="#448">448</a> }
|
| <a name="449" href="#449">449</a> }
|
| <a name="450" href="#450">450</a> }
|
| <a name="451" href="#451">451</a>
|
| <a name="452" href="#452">452</a> <strong>private</strong> <strong>void</strong> flush( SocketSession session ) throws IOException
|
| <a name="453" href="#453">453</a> {
|
| <a name="454" href="#454">454</a> SocketChannel ch = session.getChannel();
|
| <a name="455" href="#455">455</a>
|
| <a name="456" href="#456">456</a> <a href="../../../../../org/apache/mina/util/Queue.html">Queue</a> writeBufferQueue = session.getWriteBufferQueue();
|
| <a name="457" href="#457">457</a> <a href="../../../../../org/apache/mina/util/Queue.html">Queue</a> writeMarkerQueue = session.getWriteMarkerQueue();
|
| <a name="458" href="#458">458</a>
|
| <a name="459" href="#459">459</a> <a href="../../../../../org/apache/mina/common/ByteBuffer.html">ByteBuffer</a> buf;
|
| <a name="460" href="#460">460</a> Object marker;
|
| <a name="461" href="#461">461</a> <strong>for</strong>( ;; )
|
| <a name="462" href="#462">462</a> {
|
| <a name="463" href="#463">463</a> <strong>synchronized</strong>( writeBufferQueue )
|
| <a name="464" href="#464">464</a> {
|
| <a name="465" href="#465">465</a> buf = ( ByteBuffer ) writeBufferQueue.first();
|
| <a name="466" href="#466">466</a> marker = writeMarkerQueue.first();
|
| <a name="467" href="#467">467</a> }
|
| <a name="468" href="#468">468</a>
|
| <a name="469" href="#469">469</a> <strong>if</strong>( buf == <strong>null</strong> )
|
| <a name="470" href="#470">470</a> <strong>break</strong>;
|
| <a name="471" href="#471">471</a>
|
| <a name="472" href="#472">472</a> <strong>if</strong>( buf.remaining() == 0 )
|
| <a name="473" href="#473">473</a> {
|
| <a name="474" href="#474">474</a> <strong>synchronized</strong>( writeBufferQueue )
|
| <a name="475" href="#475">475</a> {
|
| <a name="476" href="#476">476</a> writeBufferQueue.pop();
|
| <a name="477" href="#477">477</a> writeMarkerQueue.pop();
|
| <a name="478" href="#478">478</a> }
|
| <a name="479" href="#479">479</a> <strong>try</strong>
|
| <a name="480" href="#480">480</a> {
|
| <a name="481" href="#481">481</a> buf.release();
|
| <a name="482" href="#482">482</a> }
|
| <a name="483" href="#483">483</a> <strong>catch</strong>( IllegalStateException e )
|
| <a name="484" href="#484">484</a> {
|
| <a name="485" href="#485">485</a> session.getManagerFilterChain().exceptionCaught( session, e );
|
| <a name="486" href="#486">486</a> }
|
| <a name="487" href="#487">487</a>
|
| <a name="488" href="#488">488</a> session.increaseWrittenWriteRequests();
|
| <a name="489" href="#489">489</a> session.getManagerFilterChain().dataWritten( session, marker );
|
| <a name="490" href="#490">490</a> <strong>continue</strong>;
|
| <a name="491" href="#491">491</a> }
|
| <a name="492" href="#492">492</a>
|
| <a name="493" href="#493">493</a> <strong>int</strong> writtenBytes = 0;
|
| <a name="494" href="#494">494</a> <strong>try</strong>
|
| <a name="495" href="#495">495</a> {
|
| <a name="496" href="#496">496</a> writtenBytes = ch.write( buf.buf() );
|
| <a name="497" href="#497">497</a> }
|
| <a name="498" href="#498">498</a> <strong>finally</strong>
|
| <a name="499" href="#499">499</a> {
|
| <a name="500" href="#500">500</a> <strong>if</strong>( writtenBytes > 0 )
|
| <a name="501" href="#501">501</a> {
|
| <a name="502" href="#502">502</a> session.increaseWrittenBytes( writtenBytes );
|
| <a name="503" href="#503">503</a> session.setIdle( IdleStatus.BOTH_IDLE, false );
|
| <a name="504" href="#504">504</a> session.setIdle( IdleStatus.WRITER_IDLE, false );
|
| <a name="505" href="#505">505</a> }
|
| <a name="506" href="#506">506</a>
|
| <a name="507" href="#507">507</a> SelectionKey key = session.getSelectionKey();
|
| <a name="508" href="#508">508</a> <strong>if</strong>( buf.hasRemaining() )
|
| <a name="509" href="#509">509</a> {
|
| <a name="510" href="#510">510</a> <em class="comment">// Kernel buffer is full</em>
|
| <a name="511" href="#511">511</a> key
|
| <a name="512" href="#512">512</a> .interestOps( key.interestOps()
|
| <a name="513" href="#513">513</a> | SelectionKey.OP_WRITE );
|
| <a name="514" href="#514">514</a> <strong>break</strong>;
|
| <a name="515" href="#515">515</a> }
|
| <a name="516" href="#516">516</a> <strong>else</strong>
|
| <a name="517" href="#517">517</a> {
|
| <a name="518" href="#518">518</a> key.interestOps( key.interestOps()
|
| <a name="519" href="#519">519</a> & ( ~SelectionKey.OP_WRITE ) );
|
| <a name="520" href="#520">520</a> }
|
| <a name="521" href="#521">521</a> }
|
| <a name="522" href="#522">522</a> }
|
| <a name="523" href="#523">523</a> }
|
| <a name="524" href="#524">524</a>
|
| <a name="525" href="#525">525</a> <strong>private</strong> <strong>class</strong> Worker <strong>extends</strong> Thread
|
| <a name="526" href="#526">526</a> {
|
| <a name="527" href="#527">527</a> <strong>public</strong> Worker()
|
| <a name="528" href="#528">528</a> {
|
| <a name="529" href="#529">529</a> <strong>super</strong>( <span class="string">"SocketIoProcessor"</span> );
|
| <a name="530" href="#530">530</a> }
|
| <a name="531" href="#531">531</a>
|
| <a name="532" href="#532">532</a> <strong>public</strong> <strong>void</strong> run()
|
| <a name="533" href="#533">533</a> {
|
| <a name="534" href="#534">534</a> <strong>for</strong>( ;; )
|
| <a name="535" href="#535">535</a> {
|
| <a name="536" href="#536">536</a> <strong>try</strong>
|
| <a name="537" href="#537">537</a> {
|
| <a name="538" href="#538">538</a> <strong>int</strong> nKeys = selector.select( 1000 );
|
| <a name="539" href="#539">539</a> addSessions();
|
| <a name="540" href="#540">540</a>
|
| <a name="541" href="#541">541</a> <strong>if</strong>( nKeys > 0 )
|
| <a name="542" href="#542">542</a> {
|
| <a name="543" href="#543">543</a> processSessions( selector.selectedKeys() );
|
| <a name="544" href="#544">544</a> }
|
| <a name="545" href="#545">545</a>
|
| <a name="546" href="#546">546</a> flushSessions();
|
| <a name="547" href="#547">547</a> removeSessions();
|
| <a name="548" href="#548">548</a> notifyIdleSessions();
|
| <a name="549" href="#549">549</a>
|
| <a name="550" href="#550">550</a> <strong>if</strong>( selector.keys().isEmpty() )
|
| <a name="551" href="#551">551</a> {
|
| <a name="552" href="#552">552</a> <strong>synchronized</strong>( SocketIoProcessor.<strong>this</strong> )
|
| <a name="553" href="#553">553</a> {
|
| <a name="554" href="#554">554</a> <strong>if</strong>( selector.keys().isEmpty() &&
|
| <a name="555" href="#555">555</a> newSessions.isEmpty() )
|
| <a name="556" href="#556">556</a> {
|
| <a name="557" href="#557">557</a> worker = <strong>null</strong>;
|
| <a name="558" href="#558">558</a> <strong>break</strong>;
|
| <a name="559" href="#559">559</a> }
|
| <a name="560" href="#560">560</a> }
|
| <a name="561" href="#561">561</a> }
|
| <a name="562" href="#562">562</a> }
|
| <a name="563" href="#563">563</a> <strong>catch</strong>( IOException e )
|
| <a name="564" href="#564">564</a> {
|
| <a name="565" href="#565">565</a> e.printStackTrace();
|
| <a name="566" href="#566">566</a>
|
| <a name="567" href="#567">567</a> <strong>try</strong>
|
| <a name="568" href="#568">568</a> {
|
| <a name="569" href="#569">569</a> Thread.sleep( 1000 );
|
| <a name="570" href="#570">570</a> }
|
| <a name="571" href="#571">571</a> <strong>catch</strong>( InterruptedException e1 )
|
| <a name="572" href="#572">572</a> {
|
| <a name="573" href="#573">573</a> }
|
| <a name="574" href="#574">574</a> }
|
| <a name="575" href="#575">575</a> }
|
| <a name="576" href="#576">576</a> }
|
| <a name="577" href="#577">577</a> }
|
| <a name="578" href="#578">578</a> }
|
| </pre> |
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