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| <pre><span class="sourceLineNo">001</span>/*<a name="line.1"></a> |
| <span class="sourceLineNo">002</span> * Licensed to the Apache Software Foundation (ASF) under one<a name="line.2"></a> |
| <span class="sourceLineNo">003</span> * or more contributor license agreements. See the NOTICE file<a name="line.3"></a> |
| <span class="sourceLineNo">004</span> * distributed with this work for additional information<a name="line.4"></a> |
| <span class="sourceLineNo">005</span> * regarding copyright ownership. The ASF licenses this file<a name="line.5"></a> |
| <span class="sourceLineNo">006</span> * to you under the Apache License, Version 2.0 (the<a name="line.6"></a> |
| <span class="sourceLineNo">007</span> * "License"); you may not use this file except in compliance<a name="line.7"></a> |
| <span class="sourceLineNo">008</span> * with the License. You may obtain a copy of the License at<a name="line.8"></a> |
| <span class="sourceLineNo">009</span> *<a name="line.9"></a> |
| <span class="sourceLineNo">010</span> * http://www.apache.org/licenses/LICENSE-2.0<a name="line.10"></a> |
| <span class="sourceLineNo">011</span> *<a name="line.11"></a> |
| <span class="sourceLineNo">012</span> * Unless required by applicable law or agreed to in writing,<a name="line.12"></a> |
| <span class="sourceLineNo">013</span> * software distributed under the License is distributed on an<a name="line.13"></a> |
| <span class="sourceLineNo">014</span> * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY<a name="line.14"></a> |
| <span class="sourceLineNo">015</span> * KIND, either express or implied. See the License for the<a name="line.15"></a> |
| <span class="sourceLineNo">016</span> * specific language governing permissions and limitations<a name="line.16"></a> |
| <span class="sourceLineNo">017</span> * under the License.<a name="line.17"></a> |
| <span class="sourceLineNo">018</span> *<a name="line.18"></a> |
| <span class="sourceLineNo">019</span> */<a name="line.19"></a> |
| <span class="sourceLineNo">020</span>package org.apache.mina.transport.socket.apr;<a name="line.20"></a> |
| <span class="sourceLineNo">021</span><a name="line.21"></a> |
| <span class="sourceLineNo">022</span>import java.io.IOException;<a name="line.22"></a> |
| <span class="sourceLineNo">023</span>import java.nio.ByteBuffer;<a name="line.23"></a> |
| <span class="sourceLineNo">024</span>import java.util.HashMap;<a name="line.24"></a> |
| <span class="sourceLineNo">025</span>import java.util.Iterator;<a name="line.25"></a> |
| <span class="sourceLineNo">026</span>import java.util.Map;<a name="line.26"></a> |
| <span class="sourceLineNo">027</span>import java.util.Queue;<a name="line.27"></a> |
| <span class="sourceLineNo">028</span>import java.util.concurrent.ConcurrentLinkedQueue;<a name="line.28"></a> |
| <span class="sourceLineNo">029</span>import java.util.concurrent.Executor;<a name="line.29"></a> |
| <span class="sourceLineNo">030</span><a name="line.30"></a> |
| <span class="sourceLineNo">031</span>import org.apache.mina.core.RuntimeIoException;<a name="line.31"></a> |
| <span class="sourceLineNo">032</span>import org.apache.mina.core.buffer.IoBuffer;<a name="line.32"></a> |
| <span class="sourceLineNo">033</span>import org.apache.mina.core.file.FileRegion;<a name="line.33"></a> |
| <span class="sourceLineNo">034</span>import org.apache.mina.core.polling.AbstractPollingIoProcessor;<a name="line.34"></a> |
| <span class="sourceLineNo">035</span>import org.apache.mina.core.session.SessionState;<a name="line.35"></a> |
| <span class="sourceLineNo">036</span>import org.apache.tomcat.jni.File;<a name="line.36"></a> |
| <span class="sourceLineNo">037</span>import org.apache.tomcat.jni.Poll;<a name="line.37"></a> |
| <span class="sourceLineNo">038</span>import org.apache.tomcat.jni.Pool;<a name="line.38"></a> |
| <span class="sourceLineNo">039</span>import org.apache.tomcat.jni.Socket;<a name="line.39"></a> |
| <span class="sourceLineNo">040</span>import org.apache.tomcat.jni.Status;<a name="line.40"></a> |
| <span class="sourceLineNo">041</span><a name="line.41"></a> |
| <span class="sourceLineNo">042</span>/**<a name="line.42"></a> |
| <span class="sourceLineNo">043</span> * The class in charge of processing socket level IO events for the<a name="line.43"></a> |
| <span class="sourceLineNo">044</span> * {@link AprSocketConnector}<a name="line.44"></a> |
| <span class="sourceLineNo">045</span> *<a name="line.45"></a> |
| <span class="sourceLineNo">046</span> * @author <a href="http://mina.apache.org">Apache MINA Project</a><a name="line.46"></a> |
| <span class="sourceLineNo">047</span> */<a name="line.47"></a> |
| <span class="sourceLineNo">048</span>public final class AprIoProcessor extends AbstractPollingIoProcessor<AprSession> {<a name="line.48"></a> |
| <span class="sourceLineNo">049</span> private static final int POLLSET_SIZE = 1024;<a name="line.49"></a> |
| <span class="sourceLineNo">050</span><a name="line.50"></a> |
| <span class="sourceLineNo">051</span> private final Map<Long, AprSession> allSessions = new HashMap<Long, AprSession>(POLLSET_SIZE);<a name="line.51"></a> |
| <span class="sourceLineNo">052</span><a name="line.52"></a> |
| <span class="sourceLineNo">053</span> private final Object wakeupLock = new Object();<a name="line.53"></a> |
| <span class="sourceLineNo">054</span><a name="line.54"></a> |
| <span class="sourceLineNo">055</span> private final long wakeupSocket;<a name="line.55"></a> |
| <span class="sourceLineNo">056</span><a name="line.56"></a> |
| <span class="sourceLineNo">057</span> private volatile boolean toBeWakenUp;<a name="line.57"></a> |
| <span class="sourceLineNo">058</span><a name="line.58"></a> |
| <span class="sourceLineNo">059</span> private final long pool;<a name="line.59"></a> |
| <span class="sourceLineNo">060</span><a name="line.60"></a> |
| <span class="sourceLineNo">061</span> private final long bufferPool; // memory pool<a name="line.61"></a> |
| <span class="sourceLineNo">062</span><a name="line.62"></a> |
| <span class="sourceLineNo">063</span> private final long pollset; // socket poller<a name="line.63"></a> |
| <span class="sourceLineNo">064</span><a name="line.64"></a> |
| <span class="sourceLineNo">065</span> private final long[] polledSockets = new long[POLLSET_SIZE << 1];<a name="line.65"></a> |
| <span class="sourceLineNo">066</span><a name="line.66"></a> |
| <span class="sourceLineNo">067</span> private final Queue<AprSession> polledSessions = new ConcurrentLinkedQueue<AprSession>();<a name="line.67"></a> |
| <span class="sourceLineNo">068</span><a name="line.68"></a> |
| <span class="sourceLineNo">069</span> /**<a name="line.69"></a> |
| <span class="sourceLineNo">070</span> * Create a new instance of {@link AprIoProcessor} with a given Exector for<a name="line.70"></a> |
| <span class="sourceLineNo">071</span> * handling I/Os events.<a name="line.71"></a> |
| <span class="sourceLineNo">072</span> *<a name="line.72"></a> |
| <span class="sourceLineNo">073</span> * @param executor<a name="line.73"></a> |
| <span class="sourceLineNo">074</span> * the {@link Executor} for handling I/O events<a name="line.74"></a> |
| <span class="sourceLineNo">075</span> */<a name="line.75"></a> |
| <span class="sourceLineNo">076</span> public AprIoProcessor(Executor executor) {<a name="line.76"></a> |
| <span class="sourceLineNo">077</span> super(executor);<a name="line.77"></a> |
| <span class="sourceLineNo">078</span><a name="line.78"></a> |
| <span class="sourceLineNo">079</span> // initialize a memory pool for APR functions<a name="line.79"></a> |
| <span class="sourceLineNo">080</span> pool = Pool.create(AprLibrary.getInstance().getRootPool());<a name="line.80"></a> |
| <span class="sourceLineNo">081</span> bufferPool = Pool.create(AprLibrary.getInstance().getRootPool());<a name="line.81"></a> |
| <span class="sourceLineNo">082</span><a name="line.82"></a> |
| <span class="sourceLineNo">083</span> try {<a name="line.83"></a> |
| <span class="sourceLineNo">084</span> wakeupSocket = Socket.create(Socket.APR_INET, Socket.SOCK_DGRAM, Socket.APR_PROTO_UDP, pool);<a name="line.84"></a> |
| <span class="sourceLineNo">085</span> } catch (RuntimeException e) {<a name="line.85"></a> |
| <span class="sourceLineNo">086</span> throw e;<a name="line.86"></a> |
| <span class="sourceLineNo">087</span> } catch (Error e) {<a name="line.87"></a> |
| <span class="sourceLineNo">088</span> throw e;<a name="line.88"></a> |
| <span class="sourceLineNo">089</span> } catch (Exception e) {<a name="line.89"></a> |
| <span class="sourceLineNo">090</span> throw new RuntimeIoException("Failed to create a wakeup socket.", e);<a name="line.90"></a> |
| <span class="sourceLineNo">091</span> }<a name="line.91"></a> |
| <span class="sourceLineNo">092</span><a name="line.92"></a> |
| <span class="sourceLineNo">093</span> boolean success = false;<a name="line.93"></a> |
| <span class="sourceLineNo">094</span> long newPollset;<a name="line.94"></a> |
| <span class="sourceLineNo">095</span> try {<a name="line.95"></a> |
| <span class="sourceLineNo">096</span> newPollset = Poll.create(POLLSET_SIZE, pool, Poll.APR_POLLSET_THREADSAFE, Long.MAX_VALUE);<a name="line.96"></a> |
| <span class="sourceLineNo">097</span><a name="line.97"></a> |
| <span class="sourceLineNo">098</span> if (newPollset == 0) {<a name="line.98"></a> |
| <span class="sourceLineNo">099</span> newPollset = Poll.create(62, pool, Poll.APR_POLLSET_THREADSAFE, Long.MAX_VALUE);<a name="line.99"></a> |
| <span class="sourceLineNo">100</span> }<a name="line.100"></a> |
| <span class="sourceLineNo">101</span><a name="line.101"></a> |
| <span class="sourceLineNo">102</span> pollset = newPollset;<a name="line.102"></a> |
| <span class="sourceLineNo">103</span> if (pollset < 0) {<a name="line.103"></a> |
| <span class="sourceLineNo">104</span> if (Status.APR_STATUS_IS_ENOTIMPL(-(int) pollset)) {<a name="line.104"></a> |
| <span class="sourceLineNo">105</span> throw new RuntimeIoException("Thread-safe pollset is not supported in this platform.");<a name="line.105"></a> |
| <span class="sourceLineNo">106</span> }<a name="line.106"></a> |
| <span class="sourceLineNo">107</span> }<a name="line.107"></a> |
| <span class="sourceLineNo">108</span> success = true;<a name="line.108"></a> |
| <span class="sourceLineNo">109</span> } catch (RuntimeException e) {<a name="line.109"></a> |
| <span class="sourceLineNo">110</span> throw e;<a name="line.110"></a> |
| <span class="sourceLineNo">111</span> } catch (Error e) {<a name="line.111"></a> |
| <span class="sourceLineNo">112</span> throw e;<a name="line.112"></a> |
| <span class="sourceLineNo">113</span> } catch (Exception e) {<a name="line.113"></a> |
| <span class="sourceLineNo">114</span> throw new RuntimeIoException("Failed to create a pollset.", e);<a name="line.114"></a> |
| <span class="sourceLineNo">115</span> } finally {<a name="line.115"></a> |
| <span class="sourceLineNo">116</span> if (!success) {<a name="line.116"></a> |
| <span class="sourceLineNo">117</span> dispose();<a name="line.117"></a> |
| <span class="sourceLineNo">118</span> }<a name="line.118"></a> |
| <span class="sourceLineNo">119</span> }<a name="line.119"></a> |
| <span class="sourceLineNo">120</span> }<a name="line.120"></a> |
| <span class="sourceLineNo">121</span><a name="line.121"></a> |
| <span class="sourceLineNo">122</span> /**<a name="line.122"></a> |
| <span class="sourceLineNo">123</span> * {@inheritDoc}<a name="line.123"></a> |
| <span class="sourceLineNo">124</span> */<a name="line.124"></a> |
| <span class="sourceLineNo">125</span> @Override<a name="line.125"></a> |
| <span class="sourceLineNo">126</span> protected void doDispose() {<a name="line.126"></a> |
| <span class="sourceLineNo">127</span> Poll.destroy(pollset);<a name="line.127"></a> |
| <span class="sourceLineNo">128</span> Socket.close(wakeupSocket);<a name="line.128"></a> |
| <span class="sourceLineNo">129</span> Pool.destroy(bufferPool);<a name="line.129"></a> |
| <span class="sourceLineNo">130</span> Pool.destroy(pool);<a name="line.130"></a> |
| <span class="sourceLineNo">131</span> }<a name="line.131"></a> |
| <span class="sourceLineNo">132</span><a name="line.132"></a> |
| <span class="sourceLineNo">133</span> /**<a name="line.133"></a> |
| <span class="sourceLineNo">134</span> * {@inheritDoc}<a name="line.134"></a> |
| <span class="sourceLineNo">135</span> */<a name="line.135"></a> |
| <span class="sourceLineNo">136</span> @Override<a name="line.136"></a> |
| <span class="sourceLineNo">137</span> protected int select() throws Exception {<a name="line.137"></a> |
| <span class="sourceLineNo">138</span> return select(Integer.MAX_VALUE);<a name="line.138"></a> |
| <span class="sourceLineNo">139</span> }<a name="line.139"></a> |
| <span class="sourceLineNo">140</span><a name="line.140"></a> |
| <span class="sourceLineNo">141</span> /**<a name="line.141"></a> |
| <span class="sourceLineNo">142</span> * {@inheritDoc}<a name="line.142"></a> |
| <span class="sourceLineNo">143</span> */<a name="line.143"></a> |
| <span class="sourceLineNo">144</span> @Override<a name="line.144"></a> |
| <span class="sourceLineNo">145</span> protected int select(long timeout) throws Exception {<a name="line.145"></a> |
| <span class="sourceLineNo">146</span> int rv = Poll.poll(pollset, 1000 * timeout, polledSockets, false);<a name="line.146"></a> |
| <span class="sourceLineNo">147</span> if (rv <= 0) {<a name="line.147"></a> |
| <span class="sourceLineNo">148</span> if (rv != -120001) {<a name="line.148"></a> |
| <span class="sourceLineNo">149</span> throwException(rv);<a name="line.149"></a> |
| <span class="sourceLineNo">150</span> }<a name="line.150"></a> |
| <span class="sourceLineNo">151</span><a name="line.151"></a> |
| <span class="sourceLineNo">152</span> rv = Poll.maintain(pollset, polledSockets, true);<a name="line.152"></a> |
| <span class="sourceLineNo">153</span> if (rv > 0) {<a name="line.153"></a> |
| <span class="sourceLineNo">154</span> for (int i = 0; i < rv; i++) {<a name="line.154"></a> |
| <span class="sourceLineNo">155</span> long socket = polledSockets[i];<a name="line.155"></a> |
| <span class="sourceLineNo">156</span> AprSession session = allSessions.get(socket);<a name="line.156"></a> |
| <span class="sourceLineNo">157</span> if (session == null) {<a name="line.157"></a> |
| <span class="sourceLineNo">158</span> continue;<a name="line.158"></a> |
| <span class="sourceLineNo">159</span> }<a name="line.159"></a> |
| <span class="sourceLineNo">160</span><a name="line.160"></a> |
| <span class="sourceLineNo">161</span> int flag = (session.isInterestedInRead() ? Poll.APR_POLLIN : 0)<a name="line.161"></a> |
| <span class="sourceLineNo">162</span> | (session.isInterestedInWrite() ? Poll.APR_POLLOUT : 0);<a name="line.162"></a> |
| <span class="sourceLineNo">163</span><a name="line.163"></a> |
| <span class="sourceLineNo">164</span> Poll.add(pollset, socket, flag);<a name="line.164"></a> |
| <span class="sourceLineNo">165</span> }<a name="line.165"></a> |
| <span class="sourceLineNo">166</span> } else if (rv < 0) {<a name="line.166"></a> |
| <span class="sourceLineNo">167</span> throwException(rv);<a name="line.167"></a> |
| <span class="sourceLineNo">168</span> }<a name="line.168"></a> |
| <span class="sourceLineNo">169</span><a name="line.169"></a> |
| <span class="sourceLineNo">170</span> return 0;<a name="line.170"></a> |
| <span class="sourceLineNo">171</span> } else {<a name="line.171"></a> |
| <span class="sourceLineNo">172</span> rv <<= 1;<a name="line.172"></a> |
| <span class="sourceLineNo">173</span> if (!polledSessions.isEmpty()) {<a name="line.173"></a> |
| <span class="sourceLineNo">174</span> polledSessions.clear();<a name="line.174"></a> |
| <span class="sourceLineNo">175</span> }<a name="line.175"></a> |
| <span class="sourceLineNo">176</span> for (int i = 0; i < rv; i++) {<a name="line.176"></a> |
| <span class="sourceLineNo">177</span> long flag = polledSockets[i];<a name="line.177"></a> |
| <span class="sourceLineNo">178</span> long socket = polledSockets[++i];<a name="line.178"></a> |
| <span class="sourceLineNo">179</span> if (socket == wakeupSocket) {<a name="line.179"></a> |
| <span class="sourceLineNo">180</span> synchronized (wakeupLock) {<a name="line.180"></a> |
| <span class="sourceLineNo">181</span> Poll.remove(pollset, wakeupSocket);<a name="line.181"></a> |
| <span class="sourceLineNo">182</span> toBeWakenUp = false;<a name="line.182"></a> |
| <span class="sourceLineNo">183</span> wakeupCalled.set(true);<a name="line.183"></a> |
| <span class="sourceLineNo">184</span> }<a name="line.184"></a> |
| <span class="sourceLineNo">185</span> continue;<a name="line.185"></a> |
| <span class="sourceLineNo">186</span> }<a name="line.186"></a> |
| <span class="sourceLineNo">187</span> AprSession session = allSessions.get(socket);<a name="line.187"></a> |
| <span class="sourceLineNo">188</span> if (session == null) {<a name="line.188"></a> |
| <span class="sourceLineNo">189</span> continue;<a name="line.189"></a> |
| <span class="sourceLineNo">190</span> }<a name="line.190"></a> |
| <span class="sourceLineNo">191</span><a name="line.191"></a> |
| <span class="sourceLineNo">192</span> session.setReadable((flag & Poll.APR_POLLIN) != 0);<a name="line.192"></a> |
| <span class="sourceLineNo">193</span> session.setWritable((flag & Poll.APR_POLLOUT) != 0);<a name="line.193"></a> |
| <span class="sourceLineNo">194</span><a name="line.194"></a> |
| <span class="sourceLineNo">195</span> polledSessions.add(session);<a name="line.195"></a> |
| <span class="sourceLineNo">196</span> }<a name="line.196"></a> |
| <span class="sourceLineNo">197</span><a name="line.197"></a> |
| <span class="sourceLineNo">198</span> return polledSessions.size();<a name="line.198"></a> |
| <span class="sourceLineNo">199</span> }<a name="line.199"></a> |
| <span class="sourceLineNo">200</span> }<a name="line.200"></a> |
| <span class="sourceLineNo">201</span><a name="line.201"></a> |
| <span class="sourceLineNo">202</span> /**<a name="line.202"></a> |
| <span class="sourceLineNo">203</span> * {@inheritDoc}<a name="line.203"></a> |
| <span class="sourceLineNo">204</span> */<a name="line.204"></a> |
| <span class="sourceLineNo">205</span> @Override<a name="line.205"></a> |
| <span class="sourceLineNo">206</span> protected boolean isSelectorEmpty() {<a name="line.206"></a> |
| <span class="sourceLineNo">207</span> return allSessions.isEmpty();<a name="line.207"></a> |
| <span class="sourceLineNo">208</span> }<a name="line.208"></a> |
| <span class="sourceLineNo">209</span><a name="line.209"></a> |
| <span class="sourceLineNo">210</span> /**<a name="line.210"></a> |
| <span class="sourceLineNo">211</span> * {@inheritDoc}<a name="line.211"></a> |
| <span class="sourceLineNo">212</span> */<a name="line.212"></a> |
| <span class="sourceLineNo">213</span> @Override<a name="line.213"></a> |
| <span class="sourceLineNo">214</span> protected void wakeup() {<a name="line.214"></a> |
| <span class="sourceLineNo">215</span> if (toBeWakenUp) {<a name="line.215"></a> |
| <span class="sourceLineNo">216</span> return;<a name="line.216"></a> |
| <span class="sourceLineNo">217</span> }<a name="line.217"></a> |
| <span class="sourceLineNo">218</span><a name="line.218"></a> |
| <span class="sourceLineNo">219</span> // Add a dummy socket to the pollset.<a name="line.219"></a> |
| <span class="sourceLineNo">220</span> synchronized (wakeupLock) {<a name="line.220"></a> |
| <span class="sourceLineNo">221</span> toBeWakenUp = true;<a name="line.221"></a> |
| <span class="sourceLineNo">222</span> Poll.add(pollset, wakeupSocket, Poll.APR_POLLOUT);<a name="line.222"></a> |
| <span class="sourceLineNo">223</span> }<a name="line.223"></a> |
| <span class="sourceLineNo">224</span> }<a name="line.224"></a> |
| <span class="sourceLineNo">225</span><a name="line.225"></a> |
| <span class="sourceLineNo">226</span> /**<a name="line.226"></a> |
| <span class="sourceLineNo">227</span> * {@inheritDoc}<a name="line.227"></a> |
| <span class="sourceLineNo">228</span> */<a name="line.228"></a> |
| <span class="sourceLineNo">229</span> @Override<a name="line.229"></a> |
| <span class="sourceLineNo">230</span> protected Iterator<AprSession> allSessions() {<a name="line.230"></a> |
| <span class="sourceLineNo">231</span> return allSessions.values().iterator();<a name="line.231"></a> |
| <span class="sourceLineNo">232</span> }<a name="line.232"></a> |
| <span class="sourceLineNo">233</span><a name="line.233"></a> |
| <span class="sourceLineNo">234</span> /**<a name="line.234"></a> |
| <span class="sourceLineNo">235</span> * {@inheritDoc}<a name="line.235"></a> |
| <span class="sourceLineNo">236</span> */<a name="line.236"></a> |
| <span class="sourceLineNo">237</span> @Override<a name="line.237"></a> |
| <span class="sourceLineNo">238</span> protected Iterator<AprSession> selectedSessions() {<a name="line.238"></a> |
| <span class="sourceLineNo">239</span> return polledSessions.iterator();<a name="line.239"></a> |
| <span class="sourceLineNo">240</span> }<a name="line.240"></a> |
| <span class="sourceLineNo">241</span><a name="line.241"></a> |
| <span class="sourceLineNo">242</span> @Override<a name="line.242"></a> |
| <span class="sourceLineNo">243</span> protected void init(AprSession session) throws Exception {<a name="line.243"></a> |
| <span class="sourceLineNo">244</span> long s = session.getDescriptor();<a name="line.244"></a> |
| <span class="sourceLineNo">245</span> Socket.optSet(s, Socket.APR_SO_NONBLOCK, 1);<a name="line.245"></a> |
| <span class="sourceLineNo">246</span> Socket.timeoutSet(s, 0);<a name="line.246"></a> |
| <span class="sourceLineNo">247</span><a name="line.247"></a> |
| <span class="sourceLineNo">248</span> int rv = Poll.add(pollset, s, Poll.APR_POLLIN);<a name="line.248"></a> |
| <span class="sourceLineNo">249</span> if (rv != Status.APR_SUCCESS) {<a name="line.249"></a> |
| <span class="sourceLineNo">250</span> throwException(rv);<a name="line.250"></a> |
| <span class="sourceLineNo">251</span> }<a name="line.251"></a> |
| <span class="sourceLineNo">252</span><a name="line.252"></a> |
| <span class="sourceLineNo">253</span> session.setInterestedInRead(true);<a name="line.253"></a> |
| <span class="sourceLineNo">254</span> allSessions.put(s, session);<a name="line.254"></a> |
| <span class="sourceLineNo">255</span> }<a name="line.255"></a> |
| <span class="sourceLineNo">256</span><a name="line.256"></a> |
| <span class="sourceLineNo">257</span> /**<a name="line.257"></a> |
| <span class="sourceLineNo">258</span> * {@inheritDoc}<a name="line.258"></a> |
| <span class="sourceLineNo">259</span> */<a name="line.259"></a> |
| <span class="sourceLineNo">260</span> @Override<a name="line.260"></a> |
| <span class="sourceLineNo">261</span> protected void destroy(AprSession session) throws Exception {<a name="line.261"></a> |
| <span class="sourceLineNo">262</span> if (allSessions.remove(session.getDescriptor()) == null) {<a name="line.262"></a> |
| <span class="sourceLineNo">263</span> // Already destroyed.<a name="line.263"></a> |
| <span class="sourceLineNo">264</span> return;<a name="line.264"></a> |
| <span class="sourceLineNo">265</span> }<a name="line.265"></a> |
| <span class="sourceLineNo">266</span><a name="line.266"></a> |
| <span class="sourceLineNo">267</span> int ret = Poll.remove(pollset, session.getDescriptor());<a name="line.267"></a> |
| <span class="sourceLineNo">268</span> try {<a name="line.268"></a> |
| <span class="sourceLineNo">269</span> if (ret != Status.APR_SUCCESS) {<a name="line.269"></a> |
| <span class="sourceLineNo">270</span> throwException(ret);<a name="line.270"></a> |
| <span class="sourceLineNo">271</span> }<a name="line.271"></a> |
| <span class="sourceLineNo">272</span> } finally {<a name="line.272"></a> |
| <span class="sourceLineNo">273</span> ret = Socket.close(session.getDescriptor());<a name="line.273"></a> |
| <span class="sourceLineNo">274</span><a name="line.274"></a> |
| <span class="sourceLineNo">275</span> // destroying the session because it won't be reused<a name="line.275"></a> |
| <span class="sourceLineNo">276</span> // after this point<a name="line.276"></a> |
| <span class="sourceLineNo">277</span> Socket.destroy(session.getDescriptor());<a name="line.277"></a> |
| <span class="sourceLineNo">278</span> session.setDescriptor(0);<a name="line.278"></a> |
| <span class="sourceLineNo">279</span><a name="line.279"></a> |
| <span class="sourceLineNo">280</span> if (ret != Status.APR_SUCCESS) {<a name="line.280"></a> |
| <span class="sourceLineNo">281</span> throwException(ret);<a name="line.281"></a> |
| <span class="sourceLineNo">282</span> }<a name="line.282"></a> |
| <span class="sourceLineNo">283</span> }<a name="line.283"></a> |
| <span class="sourceLineNo">284</span> }<a name="line.284"></a> |
| <span class="sourceLineNo">285</span><a name="line.285"></a> |
| <span class="sourceLineNo">286</span> /**<a name="line.286"></a> |
| <span class="sourceLineNo">287</span> * {@inheritDoc}<a name="line.287"></a> |
| <span class="sourceLineNo">288</span> */<a name="line.288"></a> |
| <span class="sourceLineNo">289</span> @Override<a name="line.289"></a> |
| <span class="sourceLineNo">290</span> protected SessionState getState(AprSession session) {<a name="line.290"></a> |
| <span class="sourceLineNo">291</span> long socket = session.getDescriptor();<a name="line.291"></a> |
| <span class="sourceLineNo">292</span><a name="line.292"></a> |
| <span class="sourceLineNo">293</span> if (socket != 0) {<a name="line.293"></a> |
| <span class="sourceLineNo">294</span> return SessionState.OPENED;<a name="line.294"></a> |
| <span class="sourceLineNo">295</span> } else if (allSessions.get(socket) != null) {<a name="line.295"></a> |
| <span class="sourceLineNo">296</span> return SessionState.OPENING; // will occur ?<a name="line.296"></a> |
| <span class="sourceLineNo">297</span> } else {<a name="line.297"></a> |
| <span class="sourceLineNo">298</span> return SessionState.CLOSING;<a name="line.298"></a> |
| <span class="sourceLineNo">299</span> }<a name="line.299"></a> |
| <span class="sourceLineNo">300</span> }<a name="line.300"></a> |
| <span class="sourceLineNo">301</span><a name="line.301"></a> |
| <span class="sourceLineNo">302</span> /**<a name="line.302"></a> |
| <span class="sourceLineNo">303</span> * {@inheritDoc}<a name="line.303"></a> |
| <span class="sourceLineNo">304</span> */<a name="line.304"></a> |
| <span class="sourceLineNo">305</span> @Override<a name="line.305"></a> |
| <span class="sourceLineNo">306</span> protected boolean isReadable(AprSession session) {<a name="line.306"></a> |
| <span class="sourceLineNo">307</span> return session.isReadable();<a name="line.307"></a> |
| <span class="sourceLineNo">308</span> }<a name="line.308"></a> |
| <span class="sourceLineNo">309</span><a name="line.309"></a> |
| <span class="sourceLineNo">310</span> /**<a name="line.310"></a> |
| <span class="sourceLineNo">311</span> * {@inheritDoc}<a name="line.311"></a> |
| <span class="sourceLineNo">312</span> */<a name="line.312"></a> |
| <span class="sourceLineNo">313</span> @Override<a name="line.313"></a> |
| <span class="sourceLineNo">314</span> protected boolean isWritable(AprSession session) {<a name="line.314"></a> |
| <span class="sourceLineNo">315</span> return session.isWritable();<a name="line.315"></a> |
| <span class="sourceLineNo">316</span> }<a name="line.316"></a> |
| <span class="sourceLineNo">317</span><a name="line.317"></a> |
| <span class="sourceLineNo">318</span> /**<a name="line.318"></a> |
| <span class="sourceLineNo">319</span> * {@inheritDoc}<a name="line.319"></a> |
| <span class="sourceLineNo">320</span> */<a name="line.320"></a> |
| <span class="sourceLineNo">321</span> @Override<a name="line.321"></a> |
| <span class="sourceLineNo">322</span> protected boolean isInterestedInRead(AprSession session) {<a name="line.322"></a> |
| <span class="sourceLineNo">323</span> return session.isInterestedInRead();<a name="line.323"></a> |
| <span class="sourceLineNo">324</span> }<a name="line.324"></a> |
| <span class="sourceLineNo">325</span><a name="line.325"></a> |
| <span class="sourceLineNo">326</span> /**<a name="line.326"></a> |
| <span class="sourceLineNo">327</span> * {@inheritDoc}<a name="line.327"></a> |
| <span class="sourceLineNo">328</span> */<a name="line.328"></a> |
| <span class="sourceLineNo">329</span> @Override<a name="line.329"></a> |
| <span class="sourceLineNo">330</span> protected boolean isInterestedInWrite(AprSession session) {<a name="line.330"></a> |
| <span class="sourceLineNo">331</span> return session.isInterestedInWrite();<a name="line.331"></a> |
| <span class="sourceLineNo">332</span> }<a name="line.332"></a> |
| <span class="sourceLineNo">333</span><a name="line.333"></a> |
| <span class="sourceLineNo">334</span> /**<a name="line.334"></a> |
| <span class="sourceLineNo">335</span> * {@inheritDoc}<a name="line.335"></a> |
| <span class="sourceLineNo">336</span> */<a name="line.336"></a> |
| <span class="sourceLineNo">337</span> @Override<a name="line.337"></a> |
| <span class="sourceLineNo">338</span> protected void setInterestedInRead(AprSession session, boolean isInterested) throws Exception {<a name="line.338"></a> |
| <span class="sourceLineNo">339</span> if (session.isInterestedInRead() == isInterested) {<a name="line.339"></a> |
| <span class="sourceLineNo">340</span> return;<a name="line.340"></a> |
| <span class="sourceLineNo">341</span> }<a name="line.341"></a> |
| <span class="sourceLineNo">342</span><a name="line.342"></a> |
| <span class="sourceLineNo">343</span> int rv = Poll.remove(pollset, session.getDescriptor());<a name="line.343"></a> |
| <span class="sourceLineNo">344</span><a name="line.344"></a> |
| <span class="sourceLineNo">345</span> if (rv != Status.APR_SUCCESS) {<a name="line.345"></a> |
| <span class="sourceLineNo">346</span> throwException(rv);<a name="line.346"></a> |
| <span class="sourceLineNo">347</span> }<a name="line.347"></a> |
| <span class="sourceLineNo">348</span><a name="line.348"></a> |
| <span class="sourceLineNo">349</span> int flags = (isInterested ? Poll.APR_POLLIN : 0) | (session.isInterestedInWrite() ? Poll.APR_POLLOUT : 0);<a name="line.349"></a> |
| <span class="sourceLineNo">350</span><a name="line.350"></a> |
| <span class="sourceLineNo">351</span> rv = Poll.add(pollset, session.getDescriptor(), flags);<a name="line.351"></a> |
| <span class="sourceLineNo">352</span><a name="line.352"></a> |
| <span class="sourceLineNo">353</span> if (rv == Status.APR_SUCCESS) {<a name="line.353"></a> |
| <span class="sourceLineNo">354</span> session.setInterestedInRead(isInterested);<a name="line.354"></a> |
| <span class="sourceLineNo">355</span> } else {<a name="line.355"></a> |
| <span class="sourceLineNo">356</span> throwException(rv);<a name="line.356"></a> |
| <span class="sourceLineNo">357</span> }<a name="line.357"></a> |
| <span class="sourceLineNo">358</span> }<a name="line.358"></a> |
| <span class="sourceLineNo">359</span><a name="line.359"></a> |
| <span class="sourceLineNo">360</span> /**<a name="line.360"></a> |
| <span class="sourceLineNo">361</span> * {@inheritDoc}<a name="line.361"></a> |
| <span class="sourceLineNo">362</span> */<a name="line.362"></a> |
| <span class="sourceLineNo">363</span> @Override<a name="line.363"></a> |
| <span class="sourceLineNo">364</span> protected void setInterestedInWrite(AprSession session, boolean isInterested) throws Exception {<a name="line.364"></a> |
| <span class="sourceLineNo">365</span> if (session.isInterestedInWrite() == isInterested) {<a name="line.365"></a> |
| <span class="sourceLineNo">366</span> return;<a name="line.366"></a> |
| <span class="sourceLineNo">367</span> }<a name="line.367"></a> |
| <span class="sourceLineNo">368</span><a name="line.368"></a> |
| <span class="sourceLineNo">369</span> int rv = Poll.remove(pollset, session.getDescriptor());<a name="line.369"></a> |
| <span class="sourceLineNo">370</span><a name="line.370"></a> |
| <span class="sourceLineNo">371</span> if (rv != Status.APR_SUCCESS) {<a name="line.371"></a> |
| <span class="sourceLineNo">372</span> throwException(rv);<a name="line.372"></a> |
| <span class="sourceLineNo">373</span> }<a name="line.373"></a> |
| <span class="sourceLineNo">374</span><a name="line.374"></a> |
| <span class="sourceLineNo">375</span> int flags = (session.isInterestedInRead() ? Poll.APR_POLLIN : 0) | (isInterested ? Poll.APR_POLLOUT : 0);<a name="line.375"></a> |
| <span class="sourceLineNo">376</span><a name="line.376"></a> |
| <span class="sourceLineNo">377</span> rv = Poll.add(pollset, session.getDescriptor(), flags);<a name="line.377"></a> |
| <span class="sourceLineNo">378</span><a name="line.378"></a> |
| <span class="sourceLineNo">379</span> if (rv == Status.APR_SUCCESS) {<a name="line.379"></a> |
| <span class="sourceLineNo">380</span> session.setInterestedInWrite(isInterested);<a name="line.380"></a> |
| <span class="sourceLineNo">381</span> } else {<a name="line.381"></a> |
| <span class="sourceLineNo">382</span> throwException(rv);<a name="line.382"></a> |
| <span class="sourceLineNo">383</span> }<a name="line.383"></a> |
| <span class="sourceLineNo">384</span> }<a name="line.384"></a> |
| <span class="sourceLineNo">385</span><a name="line.385"></a> |
| <span class="sourceLineNo">386</span> /**<a name="line.386"></a> |
| <span class="sourceLineNo">387</span> * {@inheritDoc}<a name="line.387"></a> |
| <span class="sourceLineNo">388</span> */<a name="line.388"></a> |
| <span class="sourceLineNo">389</span> @Override<a name="line.389"></a> |
| <span class="sourceLineNo">390</span> protected int read(AprSession session, IoBuffer buffer) throws Exception {<a name="line.390"></a> |
| <span class="sourceLineNo">391</span> int bytes;<a name="line.391"></a> |
| <span class="sourceLineNo">392</span> int capacity = buffer.remaining();<a name="line.392"></a> |
| <span class="sourceLineNo">393</span> // Using Socket.recv() directly causes memory leak. :-(<a name="line.393"></a> |
| <span class="sourceLineNo">394</span> ByteBuffer b = Pool.alloc(bufferPool, capacity);<a name="line.394"></a> |
| <span class="sourceLineNo">395</span><a name="line.395"></a> |
| <span class="sourceLineNo">396</span> try {<a name="line.396"></a> |
| <span class="sourceLineNo">397</span> bytes = Socket.recvb(session.getDescriptor(), b, 0, capacity);<a name="line.397"></a> |
| <span class="sourceLineNo">398</span><a name="line.398"></a> |
| <span class="sourceLineNo">399</span> if (bytes > 0) {<a name="line.399"></a> |
| <span class="sourceLineNo">400</span> b.position(0);<a name="line.400"></a> |
| <span class="sourceLineNo">401</span> b.limit(bytes);<a name="line.401"></a> |
| <span class="sourceLineNo">402</span> buffer.put(b);<a name="line.402"></a> |
| <span class="sourceLineNo">403</span> } else if (bytes < 0) {<a name="line.403"></a> |
| <span class="sourceLineNo">404</span> if (Status.APR_STATUS_IS_EOF(-bytes)) {<a name="line.404"></a> |
| <span class="sourceLineNo">405</span> bytes = -1;<a name="line.405"></a> |
| <span class="sourceLineNo">406</span> } else if (Status.APR_STATUS_IS_EAGAIN(-bytes)) {<a name="line.406"></a> |
| <span class="sourceLineNo">407</span> bytes = 0;<a name="line.407"></a> |
| <span class="sourceLineNo">408</span> } else {<a name="line.408"></a> |
| <span class="sourceLineNo">409</span> throwException(bytes);<a name="line.409"></a> |
| <span class="sourceLineNo">410</span> }<a name="line.410"></a> |
| <span class="sourceLineNo">411</span> }<a name="line.411"></a> |
| <span class="sourceLineNo">412</span> } finally {<a name="line.412"></a> |
| <span class="sourceLineNo">413</span> Pool.clear(bufferPool);<a name="line.413"></a> |
| <span class="sourceLineNo">414</span> }<a name="line.414"></a> |
| <span class="sourceLineNo">415</span><a name="line.415"></a> |
| <span class="sourceLineNo">416</span> return bytes;<a name="line.416"></a> |
| <span class="sourceLineNo">417</span> }<a name="line.417"></a> |
| <span class="sourceLineNo">418</span><a name="line.418"></a> |
| <span class="sourceLineNo">419</span> /**<a name="line.419"></a> |
| <span class="sourceLineNo">420</span> * {@inheritDoc}<a name="line.420"></a> |
| <span class="sourceLineNo">421</span> */<a name="line.421"></a> |
| <span class="sourceLineNo">422</span> @Override<a name="line.422"></a> |
| <span class="sourceLineNo">423</span> protected int write(AprSession session, IoBuffer buf, int length) throws Exception {<a name="line.423"></a> |
| <span class="sourceLineNo">424</span> int writtenBytes;<a name="line.424"></a> |
| <span class="sourceLineNo">425</span> if (buf.isDirect()) {<a name="line.425"></a> |
| <span class="sourceLineNo">426</span> writtenBytes = Socket.sendb(session.getDescriptor(), buf.buf(), buf.position(), length);<a name="line.426"></a> |
| <span class="sourceLineNo">427</span> } else {<a name="line.427"></a> |
| <span class="sourceLineNo">428</span> writtenBytes = Socket.send(session.getDescriptor(), buf.array(), buf.position(), length);<a name="line.428"></a> |
| <span class="sourceLineNo">429</span> if (writtenBytes > 0) {<a name="line.429"></a> |
| <span class="sourceLineNo">430</span> buf.skip(writtenBytes);<a name="line.430"></a> |
| <span class="sourceLineNo">431</span> }<a name="line.431"></a> |
| <span class="sourceLineNo">432</span> }<a name="line.432"></a> |
| <span class="sourceLineNo">433</span><a name="line.433"></a> |
| <span class="sourceLineNo">434</span> if (writtenBytes < 0) {<a name="line.434"></a> |
| <span class="sourceLineNo">435</span> if (Status.APR_STATUS_IS_EAGAIN(-writtenBytes)) {<a name="line.435"></a> |
| <span class="sourceLineNo">436</span> writtenBytes = 0;<a name="line.436"></a> |
| <span class="sourceLineNo">437</span> } else if (Status.APR_STATUS_IS_EOF(-writtenBytes)) {<a name="line.437"></a> |
| <span class="sourceLineNo">438</span> writtenBytes = 0;<a name="line.438"></a> |
| <span class="sourceLineNo">439</span> } else {<a name="line.439"></a> |
| <span class="sourceLineNo">440</span> throwException(writtenBytes);<a name="line.440"></a> |
| <span class="sourceLineNo">441</span> }<a name="line.441"></a> |
| <span class="sourceLineNo">442</span> }<a name="line.442"></a> |
| <span class="sourceLineNo">443</span> return writtenBytes;<a name="line.443"></a> |
| <span class="sourceLineNo">444</span> }<a name="line.444"></a> |
| <span class="sourceLineNo">445</span><a name="line.445"></a> |
| <span class="sourceLineNo">446</span> /**<a name="line.446"></a> |
| <span class="sourceLineNo">447</span> * {@inheritDoc}<a name="line.447"></a> |
| <span class="sourceLineNo">448</span> */<a name="line.448"></a> |
| <span class="sourceLineNo">449</span> @Override<a name="line.449"></a> |
| <span class="sourceLineNo">450</span> protected int transferFile(AprSession session, FileRegion region, int length) throws Exception {<a name="line.450"></a> |
| <span class="sourceLineNo">451</span> if (region.getFilename() == null) {<a name="line.451"></a> |
| <span class="sourceLineNo">452</span> throw new UnsupportedOperationException();<a name="line.452"></a> |
| <span class="sourceLineNo">453</span> }<a name="line.453"></a> |
| <span class="sourceLineNo">454</span><a name="line.454"></a> |
| <span class="sourceLineNo">455</span> long fd = File.open(region.getFilename(), File.APR_FOPEN_READ | File.APR_FOPEN_SENDFILE_ENABLED<a name="line.455"></a> |
| <span class="sourceLineNo">456</span> | File.APR_FOPEN_BINARY, 0, Socket.pool(session.getDescriptor()));<a name="line.456"></a> |
| <span class="sourceLineNo">457</span> long numWritten = Socket.sendfilen(session.getDescriptor(), fd, region.getPosition(), length, 0);<a name="line.457"></a> |
| <span class="sourceLineNo">458</span> File.close(fd);<a name="line.458"></a> |
| <span class="sourceLineNo">459</span><a name="line.459"></a> |
| <span class="sourceLineNo">460</span> if (numWritten < 0) {<a name="line.460"></a> |
| <span class="sourceLineNo">461</span> if (numWritten == -Status.EAGAIN) {<a name="line.461"></a> |
| <span class="sourceLineNo">462</span> return 0;<a name="line.462"></a> |
| <span class="sourceLineNo">463</span> }<a name="line.463"></a> |
| <span class="sourceLineNo">464</span> throw new IOException(org.apache.tomcat.jni.Error.strerror((int) -numWritten) + " (code: " + numWritten<a name="line.464"></a> |
| <span class="sourceLineNo">465</span> + ")");<a name="line.465"></a> |
| <span class="sourceLineNo">466</span> }<a name="line.466"></a> |
| <span class="sourceLineNo">467</span> return (int) numWritten;<a name="line.467"></a> |
| <span class="sourceLineNo">468</span> }<a name="line.468"></a> |
| <span class="sourceLineNo">469</span><a name="line.469"></a> |
| <span class="sourceLineNo">470</span> private void throwException(int code) throws IOException {<a name="line.470"></a> |
| <span class="sourceLineNo">471</span> throw new IOException(org.apache.tomcat.jni.Error.strerror(-code) + " (code: " + code + ")");<a name="line.471"></a> |
| <span class="sourceLineNo">472</span> }<a name="line.472"></a> |
| <span class="sourceLineNo">473</span><a name="line.473"></a> |
| <span class="sourceLineNo">474</span> /**<a name="line.474"></a> |
| <span class="sourceLineNo">475</span> * {@inheritDoc}<a name="line.475"></a> |
| <span class="sourceLineNo">476</span> */<a name="line.476"></a> |
| <span class="sourceLineNo">477</span> @Override<a name="line.477"></a> |
| <span class="sourceLineNo">478</span> protected void registerNewSelector() {<a name="line.478"></a> |
| <span class="sourceLineNo">479</span> // Do nothing<a name="line.479"></a> |
| <span class="sourceLineNo">480</span> }<a name="line.480"></a> |
| <span class="sourceLineNo">481</span><a name="line.481"></a> |
| <span class="sourceLineNo">482</span> /**<a name="line.482"></a> |
| <span class="sourceLineNo">483</span> * {@inheritDoc}<a name="line.483"></a> |
| <span class="sourceLineNo">484</span> */<a name="line.484"></a> |
| <span class="sourceLineNo">485</span> @Override<a name="line.485"></a> |
| <span class="sourceLineNo">486</span> protected boolean isBrokenConnection() throws IOException {<a name="line.486"></a> |
| <span class="sourceLineNo">487</span> // Here, we assume that this is the case.<a name="line.487"></a> |
| <span class="sourceLineNo">488</span> return true;<a name="line.488"></a> |
| <span class="sourceLineNo">489</span> }<a name="line.489"></a> |
| <span class="sourceLineNo">490</span>}<a name="line.490"></a> |
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| </pre> |
| </div> |
| </body> |
| </html> |