| <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> |
| <html lang="en"> |
| <head> |
| <title>Source code</title> |
| <link rel="stylesheet" type="text/css" href="../../../../../../../stylesheet.css" title="Style"> |
| </head> |
| <body> |
| <div class="sourceContainer"> |
| <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.nio;<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.net.Inet4Address;<a name="line.23"></a> |
| <span class="sourceLineNo">024</span>import java.net.Inet6Address;<a name="line.24"></a> |
| <span class="sourceLineNo">025</span>import java.net.InetAddress;<a name="line.25"></a> |
| <span class="sourceLineNo">026</span>import java.net.InetSocketAddress;<a name="line.26"></a> |
| <span class="sourceLineNo">027</span>import java.net.SocketAddress;<a name="line.27"></a> |
| <span class="sourceLineNo">028</span>import java.nio.channels.ClosedSelectorException;<a name="line.28"></a> |
| <span class="sourceLineNo">029</span>import java.nio.channels.DatagramChannel;<a name="line.29"></a> |
| <span class="sourceLineNo">030</span>import java.nio.channels.SelectionKey;<a name="line.30"></a> |
| <span class="sourceLineNo">031</span>import java.nio.channels.Selector;<a name="line.31"></a> |
| <span class="sourceLineNo">032</span>import java.util.Collections;<a name="line.32"></a> |
| <span class="sourceLineNo">033</span>import java.util.HashMap;<a name="line.33"></a> |
| <span class="sourceLineNo">034</span>import java.util.HashSet;<a name="line.34"></a> |
| <span class="sourceLineNo">035</span>import java.util.Iterator;<a name="line.35"></a> |
| <span class="sourceLineNo">036</span>import java.util.List;<a name="line.36"></a> |
| <span class="sourceLineNo">037</span>import java.util.Map;<a name="line.37"></a> |
| <span class="sourceLineNo">038</span>import java.util.Queue;<a name="line.38"></a> |
| <span class="sourceLineNo">039</span>import java.util.Set;<a name="line.39"></a> |
| <span class="sourceLineNo">040</span>import java.util.concurrent.ConcurrentLinkedQueue;<a name="line.40"></a> |
| <span class="sourceLineNo">041</span>import java.util.concurrent.Executor;<a name="line.41"></a> |
| <span class="sourceLineNo">042</span>import java.util.concurrent.Semaphore;<a name="line.42"></a> |
| <span class="sourceLineNo">043</span><a name="line.43"></a> |
| <span class="sourceLineNo">044</span>import org.apache.mina.core.RuntimeIoException;<a name="line.44"></a> |
| <span class="sourceLineNo">045</span>import org.apache.mina.core.buffer.IoBuffer;<a name="line.45"></a> |
| <span class="sourceLineNo">046</span>import org.apache.mina.core.service.AbstractIoAcceptor;<a name="line.46"></a> |
| <span class="sourceLineNo">047</span>import org.apache.mina.core.service.IoAcceptor;<a name="line.47"></a> |
| <span class="sourceLineNo">048</span>import org.apache.mina.core.service.IoProcessor;<a name="line.48"></a> |
| <span class="sourceLineNo">049</span>import org.apache.mina.core.service.TransportMetadata;<a name="line.49"></a> |
| <span class="sourceLineNo">050</span>import org.apache.mina.core.session.AbstractIoSession;<a name="line.50"></a> |
| <span class="sourceLineNo">051</span>import org.apache.mina.core.session.ExpiringSessionRecycler;<a name="line.51"></a> |
| <span class="sourceLineNo">052</span>import org.apache.mina.core.session.IoSession;<a name="line.52"></a> |
| <span class="sourceLineNo">053</span>import org.apache.mina.core.session.IoSessionConfig;<a name="line.53"></a> |
| <span class="sourceLineNo">054</span>import org.apache.mina.core.session.IoSessionRecycler;<a name="line.54"></a> |
| <span class="sourceLineNo">055</span>import org.apache.mina.core.write.WriteRequest;<a name="line.55"></a> |
| <span class="sourceLineNo">056</span>import org.apache.mina.core.write.WriteRequestQueue;<a name="line.56"></a> |
| <span class="sourceLineNo">057</span>import org.apache.mina.transport.socket.DatagramAcceptor;<a name="line.57"></a> |
| <span class="sourceLineNo">058</span>import org.apache.mina.transport.socket.DatagramSessionConfig;<a name="line.58"></a> |
| <span class="sourceLineNo">059</span>import org.apache.mina.transport.socket.DefaultDatagramSessionConfig;<a name="line.59"></a> |
| <span class="sourceLineNo">060</span>import org.apache.mina.util.ExceptionMonitor;<a name="line.60"></a> |
| <span class="sourceLineNo">061</span><a name="line.61"></a> |
| <span class="sourceLineNo">062</span>/**<a name="line.62"></a> |
| <span class="sourceLineNo">063</span> * {@link IoAcceptor} for datagram transport (UDP/IP).<a name="line.63"></a> |
| <span class="sourceLineNo">064</span> *<a name="line.64"></a> |
| <span class="sourceLineNo">065</span> * @author <a href="http://mina.apache.org">Apache MINA Project</a><a name="line.65"></a> |
| <span class="sourceLineNo">066</span> * @org.apache.xbean.XBean<a name="line.66"></a> |
| <span class="sourceLineNo">067</span> */<a name="line.67"></a> |
| <span class="sourceLineNo">068</span>public final class NioDatagramAcceptor extends AbstractIoAcceptor implements DatagramAcceptor, IoProcessor<NioSession> {<a name="line.68"></a> |
| <span class="sourceLineNo">069</span> /**<a name="line.69"></a> |
| <span class="sourceLineNo">070</span> * A session recycler that is used to retrieve an existing session, unless it's too old.<a name="line.70"></a> |
| <span class="sourceLineNo">071</span> **/<a name="line.71"></a> |
| <span class="sourceLineNo">072</span> private static final IoSessionRecycler DEFAULT_RECYCLER = new ExpiringSessionRecycler();<a name="line.72"></a> |
| <span class="sourceLineNo">073</span><a name="line.73"></a> |
| <span class="sourceLineNo">074</span> /**<a name="line.74"></a> |
| <span class="sourceLineNo">075</span> * A timeout used for the select, as we need to get out to deal with idle<a name="line.75"></a> |
| <span class="sourceLineNo">076</span> * sessions<a name="line.76"></a> |
| <span class="sourceLineNo">077</span> */<a name="line.77"></a> |
| <span class="sourceLineNo">078</span> private static final long SELECT_TIMEOUT = 1000L;<a name="line.78"></a> |
| <span class="sourceLineNo">079</span><a name="line.79"></a> |
| <span class="sourceLineNo">080</span> /** A lock used to protect the selector to be waked up before it's created */<a name="line.80"></a> |
| <span class="sourceLineNo">081</span> private final Semaphore lock = new Semaphore(1);<a name="line.81"></a> |
| <span class="sourceLineNo">082</span><a name="line.82"></a> |
| <span class="sourceLineNo">083</span> /** A queue used to store the list of pending Binds */<a name="line.83"></a> |
| <span class="sourceLineNo">084</span> private final Queue<AcceptorOperationFuture> registerQueue = new ConcurrentLinkedQueue<AcceptorOperationFuture>();<a name="line.84"></a> |
| <span class="sourceLineNo">085</span><a name="line.85"></a> |
| <span class="sourceLineNo">086</span> private final Queue<AcceptorOperationFuture> cancelQueue = new ConcurrentLinkedQueue<AcceptorOperationFuture>();<a name="line.86"></a> |
| <span class="sourceLineNo">087</span><a name="line.87"></a> |
| <span class="sourceLineNo">088</span> private final Queue<NioSession> flushingSessions = new ConcurrentLinkedQueue<NioSession>();<a name="line.88"></a> |
| <span class="sourceLineNo">089</span><a name="line.89"></a> |
| <span class="sourceLineNo">090</span> private final Map<SocketAddress, DatagramChannel> boundHandles = Collections<a name="line.90"></a> |
| <span class="sourceLineNo">091</span> .synchronizedMap(new HashMap<SocketAddress, DatagramChannel>());<a name="line.91"></a> |
| <span class="sourceLineNo">092</span><a name="line.92"></a> |
| <span class="sourceLineNo">093</span> private IoSessionRecycler sessionRecycler = DEFAULT_RECYCLER;<a name="line.93"></a> |
| <span class="sourceLineNo">094</span><a name="line.94"></a> |
| <span class="sourceLineNo">095</span> private final ServiceOperationFuture disposalFuture = new ServiceOperationFuture();<a name="line.95"></a> |
| <span class="sourceLineNo">096</span><a name="line.96"></a> |
| <span class="sourceLineNo">097</span> private volatile boolean selectable;<a name="line.97"></a> |
| <span class="sourceLineNo">098</span><a name="line.98"></a> |
| <span class="sourceLineNo">099</span> /** The thread responsible of accepting incoming requests */<a name="line.99"></a> |
| <span class="sourceLineNo">100</span> private Acceptor acceptor;<a name="line.100"></a> |
| <span class="sourceLineNo">101</span><a name="line.101"></a> |
| <span class="sourceLineNo">102</span> private long lastIdleCheckTime;<a name="line.102"></a> |
| <span class="sourceLineNo">103</span><a name="line.103"></a> |
| <span class="sourceLineNo">104</span> /** The Selector used by this acceptor */<a name="line.104"></a> |
| <span class="sourceLineNo">105</span> private volatile Selector selector;<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> * Creates a new instance.<a name="line.108"></a> |
| <span class="sourceLineNo">109</span> */<a name="line.109"></a> |
| <span class="sourceLineNo">110</span> public NioDatagramAcceptor() {<a name="line.110"></a> |
| <span class="sourceLineNo">111</span> this(new DefaultDatagramSessionConfig(), null);<a name="line.111"></a> |
| <span class="sourceLineNo">112</span> }<a name="line.112"></a> |
| <span class="sourceLineNo">113</span><a name="line.113"></a> |
| <span class="sourceLineNo">114</span> /**<a name="line.114"></a> |
| <span class="sourceLineNo">115</span> * Creates a new instance.<a name="line.115"></a> |
| <span class="sourceLineNo">116</span> * <a name="line.116"></a> |
| <span class="sourceLineNo">117</span> * @param executor The executor to use<a name="line.117"></a> |
| <span class="sourceLineNo">118</span> */<a name="line.118"></a> |
| <span class="sourceLineNo">119</span> public NioDatagramAcceptor(Executor executor) {<a name="line.119"></a> |
| <span class="sourceLineNo">120</span> this(new DefaultDatagramSessionConfig(), executor);<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> /**<a name="line.123"></a> |
| <span class="sourceLineNo">124</span> * Creates a new instance.<a name="line.124"></a> |
| <span class="sourceLineNo">125</span> */<a name="line.125"></a> |
| <span class="sourceLineNo">126</span> private NioDatagramAcceptor(IoSessionConfig sessionConfig, Executor executor) {<a name="line.126"></a> |
| <span class="sourceLineNo">127</span> super(sessionConfig, executor);<a name="line.127"></a> |
| <span class="sourceLineNo">128</span><a name="line.128"></a> |
| <span class="sourceLineNo">129</span> try {<a name="line.129"></a> |
| <span class="sourceLineNo">130</span> init();<a name="line.130"></a> |
| <span class="sourceLineNo">131</span> selectable = true;<a name="line.131"></a> |
| <span class="sourceLineNo">132</span> } catch (RuntimeException e) {<a name="line.132"></a> |
| <span class="sourceLineNo">133</span> throw e;<a name="line.133"></a> |
| <span class="sourceLineNo">134</span> } catch (Exception e) {<a name="line.134"></a> |
| <span class="sourceLineNo">135</span> throw new RuntimeIoException("Failed to initialize.", e);<a name="line.135"></a> |
| <span class="sourceLineNo">136</span> } finally {<a name="line.136"></a> |
| <span class="sourceLineNo">137</span> if (!selectable) {<a name="line.137"></a> |
| <span class="sourceLineNo">138</span> try {<a name="line.138"></a> |
| <span class="sourceLineNo">139</span> destroy();<a name="line.139"></a> |
| <span class="sourceLineNo">140</span> } catch (Exception e) {<a name="line.140"></a> |
| <span class="sourceLineNo">141</span> ExceptionMonitor.getInstance().exceptionCaught(e);<a name="line.141"></a> |
| <span class="sourceLineNo">142</span> }<a name="line.142"></a> |
| <span class="sourceLineNo">143</span> }<a name="line.143"></a> |
| <span class="sourceLineNo">144</span> }<a name="line.144"></a> |
| <span class="sourceLineNo">145</span> }<a name="line.145"></a> |
| <span class="sourceLineNo">146</span><a name="line.146"></a> |
| <span class="sourceLineNo">147</span> /**<a name="line.147"></a> |
| <span class="sourceLineNo">148</span> * This private class is used to accept incoming connection from<a name="line.148"></a> |
| <span class="sourceLineNo">149</span> * clients. It's an infinite loop, which can be stopped when all<a name="line.149"></a> |
| <span class="sourceLineNo">150</span> * the registered handles have been removed (unbound).<a name="line.150"></a> |
| <span class="sourceLineNo">151</span> */<a name="line.151"></a> |
| <span class="sourceLineNo">152</span> private class Acceptor implements Runnable {<a name="line.152"></a> |
| <span class="sourceLineNo">153</span> public void run() {<a name="line.153"></a> |
| <span class="sourceLineNo">154</span> int nHandles = 0;<a name="line.154"></a> |
| <span class="sourceLineNo">155</span> lastIdleCheckTime = System.currentTimeMillis();<a name="line.155"></a> |
| <span class="sourceLineNo">156</span><a name="line.156"></a> |
| <span class="sourceLineNo">157</span> // Release the lock<a name="line.157"></a> |
| <span class="sourceLineNo">158</span> lock.release();<a name="line.158"></a> |
| <span class="sourceLineNo">159</span><a name="line.159"></a> |
| <span class="sourceLineNo">160</span> while (selectable) {<a name="line.160"></a> |
| <span class="sourceLineNo">161</span> try {<a name="line.161"></a> |
| <span class="sourceLineNo">162</span> int selected = select(SELECT_TIMEOUT);<a name="line.162"></a> |
| <span class="sourceLineNo">163</span><a name="line.163"></a> |
| <span class="sourceLineNo">164</span> nHandles += registerHandles();<a name="line.164"></a> |
| <span class="sourceLineNo">165</span><a name="line.165"></a> |
| <span class="sourceLineNo">166</span> if (nHandles == 0) {<a name="line.166"></a> |
| <span class="sourceLineNo">167</span> try {<a name="line.167"></a> |
| <span class="sourceLineNo">168</span> lock.acquire();<a name="line.168"></a> |
| <span class="sourceLineNo">169</span><a name="line.169"></a> |
| <span class="sourceLineNo">170</span> if (registerQueue.isEmpty() && cancelQueue.isEmpty()) {<a name="line.170"></a> |
| <span class="sourceLineNo">171</span> acceptor = null;<a name="line.171"></a> |
| <span class="sourceLineNo">172</span> break;<a name="line.172"></a> |
| <span class="sourceLineNo">173</span> }<a name="line.173"></a> |
| <span class="sourceLineNo">174</span> } finally {<a name="line.174"></a> |
| <span class="sourceLineNo">175</span> lock.release();<a name="line.175"></a> |
| <span class="sourceLineNo">176</span> }<a name="line.176"></a> |
| <span class="sourceLineNo">177</span> }<a name="line.177"></a> |
| <span class="sourceLineNo">178</span><a name="line.178"></a> |
| <span class="sourceLineNo">179</span> if (selected > 0) {<a name="line.179"></a> |
| <span class="sourceLineNo">180</span> processReadySessions(selectedHandles());<a name="line.180"></a> |
| <span class="sourceLineNo">181</span> }<a name="line.181"></a> |
| <span class="sourceLineNo">182</span><a name="line.182"></a> |
| <span class="sourceLineNo">183</span> long currentTime = System.currentTimeMillis();<a name="line.183"></a> |
| <span class="sourceLineNo">184</span> flushSessions(currentTime);<a name="line.184"></a> |
| <span class="sourceLineNo">185</span> nHandles -= unregisterHandles();<a name="line.185"></a> |
| <span class="sourceLineNo">186</span><a name="line.186"></a> |
| <span class="sourceLineNo">187</span> notifyIdleSessions(currentTime);<a name="line.187"></a> |
| <span class="sourceLineNo">188</span> } catch (ClosedSelectorException cse) {<a name="line.188"></a> |
| <span class="sourceLineNo">189</span> // If the selector has been closed, we can exit the loop<a name="line.189"></a> |
| <span class="sourceLineNo">190</span> ExceptionMonitor.getInstance().exceptionCaught(cse);<a name="line.190"></a> |
| <span class="sourceLineNo">191</span> break;<a name="line.191"></a> |
| <span class="sourceLineNo">192</span> } catch (Exception e) {<a name="line.192"></a> |
| <span class="sourceLineNo">193</span> ExceptionMonitor.getInstance().exceptionCaught(e);<a name="line.193"></a> |
| <span class="sourceLineNo">194</span><a name="line.194"></a> |
| <span class="sourceLineNo">195</span> try {<a name="line.195"></a> |
| <span class="sourceLineNo">196</span> Thread.sleep(1000);<a name="line.196"></a> |
| <span class="sourceLineNo">197</span> } catch (InterruptedException e1) {<a name="line.197"></a> |
| <span class="sourceLineNo">198</span> }<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> if (selectable && isDisposing()) {<a name="line.202"></a> |
| <span class="sourceLineNo">203</span> selectable = false;<a name="line.203"></a> |
| <span class="sourceLineNo">204</span> try {<a name="line.204"></a> |
| <span class="sourceLineNo">205</span> destroy();<a name="line.205"></a> |
| <span class="sourceLineNo">206</span> } catch (Exception e) {<a name="line.206"></a> |
| <span class="sourceLineNo">207</span> ExceptionMonitor.getInstance().exceptionCaught(e);<a name="line.207"></a> |
| <span class="sourceLineNo">208</span> } finally {<a name="line.208"></a> |
| <span class="sourceLineNo">209</span> disposalFuture.setValue(true);<a name="line.209"></a> |
| <span class="sourceLineNo">210</span> }<a name="line.210"></a> |
| <span class="sourceLineNo">211</span> }<a name="line.211"></a> |
| <span class="sourceLineNo">212</span> }<a name="line.212"></a> |
| <span class="sourceLineNo">213</span> }<a name="line.213"></a> |
| <span class="sourceLineNo">214</span><a name="line.214"></a> |
| <span class="sourceLineNo">215</span> private int registerHandles() {<a name="line.215"></a> |
| <span class="sourceLineNo">216</span> for (;;) {<a name="line.216"></a> |
| <span class="sourceLineNo">217</span> AcceptorOperationFuture req = registerQueue.poll();<a name="line.217"></a> |
| <span class="sourceLineNo">218</span><a name="line.218"></a> |
| <span class="sourceLineNo">219</span> if (req == null) {<a name="line.219"></a> |
| <span class="sourceLineNo">220</span> break;<a name="line.220"></a> |
| <span class="sourceLineNo">221</span> }<a name="line.221"></a> |
| <span class="sourceLineNo">222</span><a name="line.222"></a> |
| <span class="sourceLineNo">223</span> Map<SocketAddress, DatagramChannel> newHandles = new HashMap<SocketAddress, DatagramChannel>();<a name="line.223"></a> |
| <span class="sourceLineNo">224</span> List<SocketAddress> localAddresses = req.getLocalAddresses();<a name="line.224"></a> |
| <span class="sourceLineNo">225</span><a name="line.225"></a> |
| <span class="sourceLineNo">226</span> try {<a name="line.226"></a> |
| <span class="sourceLineNo">227</span> for (SocketAddress socketAddress : localAddresses) {<a name="line.227"></a> |
| <span class="sourceLineNo">228</span> DatagramChannel handle = open(socketAddress);<a name="line.228"></a> |
| <span class="sourceLineNo">229</span> newHandles.put(localAddress(handle), handle);<a name="line.229"></a> |
| <span class="sourceLineNo">230</span> }<a name="line.230"></a> |
| <span class="sourceLineNo">231</span><a name="line.231"></a> |
| <span class="sourceLineNo">232</span> boundHandles.putAll(newHandles);<a name="line.232"></a> |
| <span class="sourceLineNo">233</span><a name="line.233"></a> |
| <span class="sourceLineNo">234</span> getListeners().fireServiceActivated();<a name="line.234"></a> |
| <span class="sourceLineNo">235</span> req.setDone();<a name="line.235"></a> |
| <span class="sourceLineNo">236</span><a name="line.236"></a> |
| <span class="sourceLineNo">237</span> return newHandles.size();<a name="line.237"></a> |
| <span class="sourceLineNo">238</span> } catch (Exception e) {<a name="line.238"></a> |
| <span class="sourceLineNo">239</span> req.setException(e);<a name="line.239"></a> |
| <span class="sourceLineNo">240</span> } finally {<a name="line.240"></a> |
| <span class="sourceLineNo">241</span> // Roll back if failed to bind all addresses.<a name="line.241"></a> |
| <span class="sourceLineNo">242</span> if (req.getException() != null) {<a name="line.242"></a> |
| <span class="sourceLineNo">243</span> for (DatagramChannel handle : newHandles.values()) {<a name="line.243"></a> |
| <span class="sourceLineNo">244</span> try {<a name="line.244"></a> |
| <span class="sourceLineNo">245</span> close(handle);<a name="line.245"></a> |
| <span class="sourceLineNo">246</span> } catch (Exception e) {<a name="line.246"></a> |
| <span class="sourceLineNo">247</span> ExceptionMonitor.getInstance().exceptionCaught(e);<a name="line.247"></a> |
| <span class="sourceLineNo">248</span> }<a name="line.248"></a> |
| <span class="sourceLineNo">249</span> }<a name="line.249"></a> |
| <span class="sourceLineNo">250</span><a name="line.250"></a> |
| <span class="sourceLineNo">251</span> wakeup();<a name="line.251"></a> |
| <span class="sourceLineNo">252</span> }<a name="line.252"></a> |
| <span class="sourceLineNo">253</span> }<a name="line.253"></a> |
| <span class="sourceLineNo">254</span> }<a name="line.254"></a> |
| <span class="sourceLineNo">255</span><a name="line.255"></a> |
| <span class="sourceLineNo">256</span> return 0;<a name="line.256"></a> |
| <span class="sourceLineNo">257</span> }<a name="line.257"></a> |
| <span class="sourceLineNo">258</span><a name="line.258"></a> |
| <span class="sourceLineNo">259</span> private void processReadySessions(Set<SelectionKey> handles) {<a name="line.259"></a> |
| <span class="sourceLineNo">260</span> Iterator<SelectionKey> iterator = handles.iterator();<a name="line.260"></a> |
| <span class="sourceLineNo">261</span><a name="line.261"></a> |
| <span class="sourceLineNo">262</span> while (iterator.hasNext()) {<a name="line.262"></a> |
| <span class="sourceLineNo">263</span> SelectionKey key = iterator.next();<a name="line.263"></a> |
| <span class="sourceLineNo">264</span> DatagramChannel handle = (DatagramChannel) key.channel();<a name="line.264"></a> |
| <span class="sourceLineNo">265</span> iterator.remove();<a name="line.265"></a> |
| <span class="sourceLineNo">266</span><a name="line.266"></a> |
| <span class="sourceLineNo">267</span> try {<a name="line.267"></a> |
| <span class="sourceLineNo">268</span> if (key.isValid() && key.isReadable()) {<a name="line.268"></a> |
| <span class="sourceLineNo">269</span> readHandle(handle);<a name="line.269"></a> |
| <span class="sourceLineNo">270</span> }<a name="line.270"></a> |
| <span class="sourceLineNo">271</span><a name="line.271"></a> |
| <span class="sourceLineNo">272</span> if (key.isValid() && key.isWritable()) {<a name="line.272"></a> |
| <span class="sourceLineNo">273</span> for (IoSession session : getManagedSessions().values()) {<a name="line.273"></a> |
| <span class="sourceLineNo">274</span> scheduleFlush((NioSession) session);<a name="line.274"></a> |
| <span class="sourceLineNo">275</span> }<a name="line.275"></a> |
| <span class="sourceLineNo">276</span> }<a name="line.276"></a> |
| <span class="sourceLineNo">277</span> } catch (Exception e) {<a name="line.277"></a> |
| <span class="sourceLineNo">278</span> ExceptionMonitor.getInstance().exceptionCaught(e);<a name="line.278"></a> |
| <span class="sourceLineNo">279</span> }<a name="line.279"></a> |
| <span class="sourceLineNo">280</span> }<a name="line.280"></a> |
| <span class="sourceLineNo">281</span> }<a name="line.281"></a> |
| <span class="sourceLineNo">282</span><a name="line.282"></a> |
| <span class="sourceLineNo">283</span> private boolean scheduleFlush(NioSession session) {<a name="line.283"></a> |
| <span class="sourceLineNo">284</span> // Set the schedule for flush flag if the session<a name="line.284"></a> |
| <span class="sourceLineNo">285</span> // has not already be added to the flushingSessions<a name="line.285"></a> |
| <span class="sourceLineNo">286</span> // queue<a name="line.286"></a> |
| <span class="sourceLineNo">287</span> if (session.setScheduledForFlush(true)) {<a name="line.287"></a> |
| <span class="sourceLineNo">288</span> flushingSessions.add(session);<a name="line.288"></a> |
| <span class="sourceLineNo">289</span> return true;<a name="line.289"></a> |
| <span class="sourceLineNo">290</span> } else {<a name="line.290"></a> |
| <span class="sourceLineNo">291</span> return false;<a name="line.291"></a> |
| <span class="sourceLineNo">292</span> }<a name="line.292"></a> |
| <span class="sourceLineNo">293</span> }<a name="line.293"></a> |
| <span class="sourceLineNo">294</span><a name="line.294"></a> |
| <span class="sourceLineNo">295</span> private void readHandle(DatagramChannel handle) throws Exception {<a name="line.295"></a> |
| <span class="sourceLineNo">296</span> IoBuffer readBuf = IoBuffer.allocate(getSessionConfig().getReadBufferSize());<a name="line.296"></a> |
| <span class="sourceLineNo">297</span><a name="line.297"></a> |
| <span class="sourceLineNo">298</span> SocketAddress remoteAddress = receive(handle, readBuf);<a name="line.298"></a> |
| <span class="sourceLineNo">299</span><a name="line.299"></a> |
| <span class="sourceLineNo">300</span> if (remoteAddress != null) {<a name="line.300"></a> |
| <span class="sourceLineNo">301</span> IoSession session = newSessionWithoutLock(remoteAddress, localAddress(handle));<a name="line.301"></a> |
| <span class="sourceLineNo">302</span><a name="line.302"></a> |
| <span class="sourceLineNo">303</span> readBuf.flip();<a name="line.303"></a> |
| <span class="sourceLineNo">304</span><a name="line.304"></a> |
| <span class="sourceLineNo">305</span> session.getFilterChain().fireMessageReceived(readBuf);<a name="line.305"></a> |
| <span class="sourceLineNo">306</span> }<a name="line.306"></a> |
| <span class="sourceLineNo">307</span> }<a name="line.307"></a> |
| <span class="sourceLineNo">308</span><a name="line.308"></a> |
| <span class="sourceLineNo">309</span> private IoSession newSessionWithoutLock(SocketAddress remoteAddress, SocketAddress localAddress) throws Exception {<a name="line.309"></a> |
| <span class="sourceLineNo">310</span> DatagramChannel handle = boundHandles.get(localAddress);<a name="line.310"></a> |
| <span class="sourceLineNo">311</span><a name="line.311"></a> |
| <span class="sourceLineNo">312</span> if (handle == null) {<a name="line.312"></a> |
| <span class="sourceLineNo">313</span> throw new IllegalArgumentException("Unknown local address: " + localAddress);<a name="line.313"></a> |
| <span class="sourceLineNo">314</span> }<a name="line.314"></a> |
| <span class="sourceLineNo">315</span><a name="line.315"></a> |
| <span class="sourceLineNo">316</span> IoSession session;<a name="line.316"></a> |
| <span class="sourceLineNo">317</span><a name="line.317"></a> |
| <span class="sourceLineNo">318</span> synchronized (sessionRecycler) {<a name="line.318"></a> |
| <span class="sourceLineNo">319</span> session = sessionRecycler.recycle(remoteAddress);<a name="line.319"></a> |
| <span class="sourceLineNo">320</span><a name="line.320"></a> |
| <span class="sourceLineNo">321</span> if (session != null) {<a name="line.321"></a> |
| <span class="sourceLineNo">322</span> return session;<a name="line.322"></a> |
| <span class="sourceLineNo">323</span> }<a name="line.323"></a> |
| <span class="sourceLineNo">324</span><a name="line.324"></a> |
| <span class="sourceLineNo">325</span> // If a new session needs to be created.<a name="line.325"></a> |
| <span class="sourceLineNo">326</span> NioSession newSession = newSession(this, handle, remoteAddress);<a name="line.326"></a> |
| <span class="sourceLineNo">327</span> getSessionRecycler().put(newSession);<a name="line.327"></a> |
| <span class="sourceLineNo">328</span> session = newSession;<a name="line.328"></a> |
| <span class="sourceLineNo">329</span> }<a name="line.329"></a> |
| <span class="sourceLineNo">330</span><a name="line.330"></a> |
| <span class="sourceLineNo">331</span> initSession(session, null, null);<a name="line.331"></a> |
| <span class="sourceLineNo">332</span><a name="line.332"></a> |
| <span class="sourceLineNo">333</span> try {<a name="line.333"></a> |
| <span class="sourceLineNo">334</span> this.getFilterChainBuilder().buildFilterChain(session.getFilterChain());<a name="line.334"></a> |
| <span class="sourceLineNo">335</span> getListeners().fireSessionCreated(session);<a name="line.335"></a> |
| <span class="sourceLineNo">336</span> } catch (Exception e) {<a name="line.336"></a> |
| <span class="sourceLineNo">337</span> ExceptionMonitor.getInstance().exceptionCaught(e);<a name="line.337"></a> |
| <span class="sourceLineNo">338</span> }<a name="line.338"></a> |
| <span class="sourceLineNo">339</span><a name="line.339"></a> |
| <span class="sourceLineNo">340</span> return session;<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> private void flushSessions(long currentTime) {<a name="line.343"></a> |
| <span class="sourceLineNo">344</span> for (;;) {<a name="line.344"></a> |
| <span class="sourceLineNo">345</span> NioSession session = flushingSessions.poll();<a name="line.345"></a> |
| <span class="sourceLineNo">346</span><a name="line.346"></a> |
| <span class="sourceLineNo">347</span> if (session == null) {<a name="line.347"></a> |
| <span class="sourceLineNo">348</span> break;<a name="line.348"></a> |
| <span class="sourceLineNo">349</span> }<a name="line.349"></a> |
| <span class="sourceLineNo">350</span><a name="line.350"></a> |
| <span class="sourceLineNo">351</span> // Reset the Schedule for flush flag for this session,<a name="line.351"></a> |
| <span class="sourceLineNo">352</span> // as we are flushing it now<a name="line.352"></a> |
| <span class="sourceLineNo">353</span> session.unscheduledForFlush();<a name="line.353"></a> |
| <span class="sourceLineNo">354</span><a name="line.354"></a> |
| <span class="sourceLineNo">355</span> try {<a name="line.355"></a> |
| <span class="sourceLineNo">356</span> boolean flushedAll = flush(session, currentTime);<a name="line.356"></a> |
| <span class="sourceLineNo">357</span><a name="line.357"></a> |
| <span class="sourceLineNo">358</span> if (flushedAll && !session.getWriteRequestQueue().isEmpty(session) && !session.isScheduledForFlush()) {<a name="line.358"></a> |
| <span class="sourceLineNo">359</span> scheduleFlush(session);<a name="line.359"></a> |
| <span class="sourceLineNo">360</span> }<a name="line.360"></a> |
| <span class="sourceLineNo">361</span> } catch (Exception e) {<a name="line.361"></a> |
| <span class="sourceLineNo">362</span> session.getFilterChain().fireExceptionCaught(e);<a name="line.362"></a> |
| <span class="sourceLineNo">363</span> }<a name="line.363"></a> |
| <span class="sourceLineNo">364</span> }<a name="line.364"></a> |
| <span class="sourceLineNo">365</span> }<a name="line.365"></a> |
| <span class="sourceLineNo">366</span><a name="line.366"></a> |
| <span class="sourceLineNo">367</span> private boolean flush(NioSession session, long currentTime) throws Exception {<a name="line.367"></a> |
| <span class="sourceLineNo">368</span> final WriteRequestQueue writeRequestQueue = session.getWriteRequestQueue();<a name="line.368"></a> |
| <span class="sourceLineNo">369</span> final int maxWrittenBytes = session.getConfig().getMaxReadBufferSize()<a name="line.369"></a> |
| <span class="sourceLineNo">370</span> + (session.getConfig().getMaxReadBufferSize() >>> 1);<a name="line.370"></a> |
| <span class="sourceLineNo">371</span><a name="line.371"></a> |
| <span class="sourceLineNo">372</span> int writtenBytes = 0;<a name="line.372"></a> |
| <span class="sourceLineNo">373</span><a name="line.373"></a> |
| <span class="sourceLineNo">374</span> try {<a name="line.374"></a> |
| <span class="sourceLineNo">375</span> for (;;) {<a name="line.375"></a> |
| <span class="sourceLineNo">376</span> WriteRequest req = session.getCurrentWriteRequest();<a name="line.376"></a> |
| <span class="sourceLineNo">377</span><a name="line.377"></a> |
| <span class="sourceLineNo">378</span> if (req == null) {<a name="line.378"></a> |
| <span class="sourceLineNo">379</span> req = writeRequestQueue.poll(session);<a name="line.379"></a> |
| <span class="sourceLineNo">380</span><a name="line.380"></a> |
| <span class="sourceLineNo">381</span> if (req == null) {<a name="line.381"></a> |
| <span class="sourceLineNo">382</span> setInterestedInWrite(session, false);<a name="line.382"></a> |
| <span class="sourceLineNo">383</span> break;<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> session.setCurrentWriteRequest(req);<a name="line.386"></a> |
| <span class="sourceLineNo">387</span> }<a name="line.387"></a> |
| <span class="sourceLineNo">388</span><a name="line.388"></a> |
| <span class="sourceLineNo">389</span> IoBuffer buf = (IoBuffer) req.getMessage();<a name="line.389"></a> |
| <span class="sourceLineNo">390</span><a name="line.390"></a> |
| <span class="sourceLineNo">391</span> if (buf.remaining() == 0) {<a name="line.391"></a> |
| <span class="sourceLineNo">392</span> // Clear and fire event<a name="line.392"></a> |
| <span class="sourceLineNo">393</span> session.setCurrentWriteRequest(null);<a name="line.393"></a> |
| <span class="sourceLineNo">394</span> buf.reset();<a name="line.394"></a> |
| <span class="sourceLineNo">395</span> session.getFilterChain().fireMessageSent(req);<a name="line.395"></a> |
| <span class="sourceLineNo">396</span> continue;<a name="line.396"></a> |
| <span class="sourceLineNo">397</span> }<a name="line.397"></a> |
| <span class="sourceLineNo">398</span><a name="line.398"></a> |
| <span class="sourceLineNo">399</span> SocketAddress destination = req.getDestination();<a name="line.399"></a> |
| <span class="sourceLineNo">400</span><a name="line.400"></a> |
| <span class="sourceLineNo">401</span> if (destination == null) {<a name="line.401"></a> |
| <span class="sourceLineNo">402</span> destination = session.getRemoteAddress();<a name="line.402"></a> |
| <span class="sourceLineNo">403</span> }<a name="line.403"></a> |
| <span class="sourceLineNo">404</span><a name="line.404"></a> |
| <span class="sourceLineNo">405</span> int localWrittenBytes = send(session, buf, destination);<a name="line.405"></a> |
| <span class="sourceLineNo">406</span><a name="line.406"></a> |
| <span class="sourceLineNo">407</span> if ((localWrittenBytes == 0) || (writtenBytes >= maxWrittenBytes)) {<a name="line.407"></a> |
| <span class="sourceLineNo">408</span> // Kernel buffer is full or wrote too much<a name="line.408"></a> |
| <span class="sourceLineNo">409</span> setInterestedInWrite(session, true);<a name="line.409"></a> |
| <span class="sourceLineNo">410</span><a name="line.410"></a> |
| <span class="sourceLineNo">411</span> return false;<a name="line.411"></a> |
| <span class="sourceLineNo">412</span> } else {<a name="line.412"></a> |
| <span class="sourceLineNo">413</span> setInterestedInWrite(session, false);<a name="line.413"></a> |
| <span class="sourceLineNo">414</span><a name="line.414"></a> |
| <span class="sourceLineNo">415</span> // Clear and fire event<a name="line.415"></a> |
| <span class="sourceLineNo">416</span> session.setCurrentWriteRequest(null);<a name="line.416"></a> |
| <span class="sourceLineNo">417</span> writtenBytes += localWrittenBytes;<a name="line.417"></a> |
| <span class="sourceLineNo">418</span> buf.reset();<a name="line.418"></a> |
| <span class="sourceLineNo">419</span> session.getFilterChain().fireMessageSent(req);<a name="line.419"></a> |
| <span class="sourceLineNo">420</span> }<a name="line.420"></a> |
| <span class="sourceLineNo">421</span> }<a name="line.421"></a> |
| <span class="sourceLineNo">422</span> } finally {<a name="line.422"></a> |
| <span class="sourceLineNo">423</span> session.increaseWrittenBytes(writtenBytes, currentTime);<a name="line.423"></a> |
| <span class="sourceLineNo">424</span> }<a name="line.424"></a> |
| <span class="sourceLineNo">425</span><a name="line.425"></a> |
| <span class="sourceLineNo">426</span> return true;<a name="line.426"></a> |
| <span class="sourceLineNo">427</span> }<a name="line.427"></a> |
| <span class="sourceLineNo">428</span><a name="line.428"></a> |
| <span class="sourceLineNo">429</span> private int unregisterHandles() {<a name="line.429"></a> |
| <span class="sourceLineNo">430</span> int nHandles = 0;<a name="line.430"></a> |
| <span class="sourceLineNo">431</span><a name="line.431"></a> |
| <span class="sourceLineNo">432</span> for (;;) {<a name="line.432"></a> |
| <span class="sourceLineNo">433</span> AcceptorOperationFuture request = cancelQueue.poll();<a name="line.433"></a> |
| <span class="sourceLineNo">434</span> if (request == null) {<a name="line.434"></a> |
| <span class="sourceLineNo">435</span> break;<a name="line.435"></a> |
| <span class="sourceLineNo">436</span> }<a name="line.436"></a> |
| <span class="sourceLineNo">437</span><a name="line.437"></a> |
| <span class="sourceLineNo">438</span> // close the channels<a name="line.438"></a> |
| <span class="sourceLineNo">439</span> for (SocketAddress socketAddress : request.getLocalAddresses()) {<a name="line.439"></a> |
| <span class="sourceLineNo">440</span> DatagramChannel handle = boundHandles.remove(socketAddress);<a name="line.440"></a> |
| <span class="sourceLineNo">441</span><a name="line.441"></a> |
| <span class="sourceLineNo">442</span> if (handle == null) {<a name="line.442"></a> |
| <span class="sourceLineNo">443</span> continue;<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> try {<a name="line.446"></a> |
| <span class="sourceLineNo">447</span> close(handle);<a name="line.447"></a> |
| <span class="sourceLineNo">448</span> wakeup(); // wake up again to trigger thread death<a name="line.448"></a> |
| <span class="sourceLineNo">449</span> } catch (Exception e) {<a name="line.449"></a> |
| <span class="sourceLineNo">450</span> ExceptionMonitor.getInstance().exceptionCaught(e);<a name="line.450"></a> |
| <span class="sourceLineNo">451</span> } finally {<a name="line.451"></a> |
| <span class="sourceLineNo">452</span> nHandles++;<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><a name="line.455"></a> |
| <span class="sourceLineNo">456</span> request.setDone();<a name="line.456"></a> |
| <span class="sourceLineNo">457</span> }<a name="line.457"></a> |
| <span class="sourceLineNo">458</span><a name="line.458"></a> |
| <span class="sourceLineNo">459</span> return nHandles;<a name="line.459"></a> |
| <span class="sourceLineNo">460</span> }<a name="line.460"></a> |
| <span class="sourceLineNo">461</span><a name="line.461"></a> |
| <span class="sourceLineNo">462</span> private void notifyIdleSessions(long currentTime) {<a name="line.462"></a> |
| <span class="sourceLineNo">463</span> // process idle sessions<a name="line.463"></a> |
| <span class="sourceLineNo">464</span> if (currentTime - lastIdleCheckTime >= 1000) {<a name="line.464"></a> |
| <span class="sourceLineNo">465</span> lastIdleCheckTime = currentTime;<a name="line.465"></a> |
| <span class="sourceLineNo">466</span> AbstractIoSession.notifyIdleness(getListeners().getManagedSessions().values().iterator(), currentTime);<a name="line.466"></a> |
| <span class="sourceLineNo">467</span> }<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> /**<a name="line.470"></a> |
| <span class="sourceLineNo">471</span> * Starts the inner Acceptor thread.<a name="line.471"></a> |
| <span class="sourceLineNo">472</span> */<a name="line.472"></a> |
| <span class="sourceLineNo">473</span> private void startupAcceptor() throws InterruptedException {<a name="line.473"></a> |
| <span class="sourceLineNo">474</span> if (!selectable) {<a name="line.474"></a> |
| <span class="sourceLineNo">475</span> registerQueue.clear();<a name="line.475"></a> |
| <span class="sourceLineNo">476</span> cancelQueue.clear();<a name="line.476"></a> |
| <span class="sourceLineNo">477</span> flushingSessions.clear();<a name="line.477"></a> |
| <span class="sourceLineNo">478</span> }<a name="line.478"></a> |
| <span class="sourceLineNo">479</span><a name="line.479"></a> |
| <span class="sourceLineNo">480</span> lock.acquire();<a name="line.480"></a> |
| <span class="sourceLineNo">481</span><a name="line.481"></a> |
| <span class="sourceLineNo">482</span> if (acceptor == null) {<a name="line.482"></a> |
| <span class="sourceLineNo">483</span> acceptor = new Acceptor();<a name="line.483"></a> |
| <span class="sourceLineNo">484</span> executeWorker(acceptor);<a name="line.484"></a> |
| <span class="sourceLineNo">485</span> } else {<a name="line.485"></a> |
| <span class="sourceLineNo">486</span> lock.release();<a name="line.486"></a> |
| <span class="sourceLineNo">487</span> }<a name="line.487"></a> |
| <span class="sourceLineNo">488</span> }<a name="line.488"></a> |
| <span class="sourceLineNo">489</span><a name="line.489"></a> |
| <span class="sourceLineNo">490</span> protected void init() throws Exception {<a name="line.490"></a> |
| <span class="sourceLineNo">491</span> this.selector = Selector.open();<a name="line.491"></a> |
| <span class="sourceLineNo">492</span> }<a name="line.492"></a> |
| <span class="sourceLineNo">493</span><a name="line.493"></a> |
| <span class="sourceLineNo">494</span> /**<a name="line.494"></a> |
| <span class="sourceLineNo">495</span> * {@inheritDoc}<a name="line.495"></a> |
| <span class="sourceLineNo">496</span> */<a name="line.496"></a> |
| <span class="sourceLineNo">497</span> public void add(NioSession session) {<a name="line.497"></a> |
| <span class="sourceLineNo">498</span> // Nothing to do for UDP<a name="line.498"></a> |
| <span class="sourceLineNo">499</span> }<a name="line.499"></a> |
| <span class="sourceLineNo">500</span><a name="line.500"></a> |
| <span class="sourceLineNo">501</span> /**<a name="line.501"></a> |
| <span class="sourceLineNo">502</span> * {@inheritDoc}<a name="line.502"></a> |
| <span class="sourceLineNo">503</span> */<a name="line.503"></a> |
| <span class="sourceLineNo">504</span> @Override<a name="line.504"></a> |
| <span class="sourceLineNo">505</span> protected final Set<SocketAddress> bindInternal(List<? extends SocketAddress> localAddresses) throws Exception {<a name="line.505"></a> |
| <span class="sourceLineNo">506</span> // Create a bind request as a Future operation. When the selector<a name="line.506"></a> |
| <span class="sourceLineNo">507</span> // have handled the registration, it will signal this future.<a name="line.507"></a> |
| <span class="sourceLineNo">508</span> AcceptorOperationFuture request = new AcceptorOperationFuture(localAddresses);<a name="line.508"></a> |
| <span class="sourceLineNo">509</span><a name="line.509"></a> |
| <span class="sourceLineNo">510</span> // adds the Registration request to the queue for the Workers<a name="line.510"></a> |
| <span class="sourceLineNo">511</span> // to handle<a name="line.511"></a> |
| <span class="sourceLineNo">512</span> registerQueue.add(request);<a name="line.512"></a> |
| <span class="sourceLineNo">513</span><a name="line.513"></a> |
| <span class="sourceLineNo">514</span> // creates the Acceptor instance and has the local<a name="line.514"></a> |
| <span class="sourceLineNo">515</span> // executor kick it off.<a name="line.515"></a> |
| <span class="sourceLineNo">516</span> startupAcceptor();<a name="line.516"></a> |
| <span class="sourceLineNo">517</span><a name="line.517"></a> |
| <span class="sourceLineNo">518</span> // As we just started the acceptor, we have to unblock the select()<a name="line.518"></a> |
| <span class="sourceLineNo">519</span> // in order to process the bind request we just have added to the<a name="line.519"></a> |
| <span class="sourceLineNo">520</span> // registerQueue.<a name="line.520"></a> |
| <span class="sourceLineNo">521</span> try {<a name="line.521"></a> |
| <span class="sourceLineNo">522</span> lock.acquire();<a name="line.522"></a> |
| <span class="sourceLineNo">523</span><a name="line.523"></a> |
| <span class="sourceLineNo">524</span> // Wait a bit to give a chance to the Acceptor thread to do the select()<a name="line.524"></a> |
| <span class="sourceLineNo">525</span> Thread.sleep(10);<a name="line.525"></a> |
| <span class="sourceLineNo">526</span> wakeup();<a name="line.526"></a> |
| <span class="sourceLineNo">527</span> } finally {<a name="line.527"></a> |
| <span class="sourceLineNo">528</span> lock.release();<a name="line.528"></a> |
| <span class="sourceLineNo">529</span> }<a name="line.529"></a> |
| <span class="sourceLineNo">530</span><a name="line.530"></a> |
| <span class="sourceLineNo">531</span> // Now, we wait until this request is completed.<a name="line.531"></a> |
| <span class="sourceLineNo">532</span> request.awaitUninterruptibly();<a name="line.532"></a> |
| <span class="sourceLineNo">533</span><a name="line.533"></a> |
| <span class="sourceLineNo">534</span> if (request.getException() != null) {<a name="line.534"></a> |
| <span class="sourceLineNo">535</span> throw request.getException();<a name="line.535"></a> |
| <span class="sourceLineNo">536</span> }<a name="line.536"></a> |
| <span class="sourceLineNo">537</span><a name="line.537"></a> |
| <span class="sourceLineNo">538</span> // Update the local addresses.<a name="line.538"></a> |
| <span class="sourceLineNo">539</span> // setLocalAddresses() shouldn't be called from the worker thread<a name="line.539"></a> |
| <span class="sourceLineNo">540</span> // because of deadlock.<a name="line.540"></a> |
| <span class="sourceLineNo">541</span> Set<SocketAddress> newLocalAddresses = new HashSet<SocketAddress>();<a name="line.541"></a> |
| <span class="sourceLineNo">542</span><a name="line.542"></a> |
| <span class="sourceLineNo">543</span> for (DatagramChannel handle : boundHandles.values()) {<a name="line.543"></a> |
| <span class="sourceLineNo">544</span> newLocalAddresses.add(localAddress(handle));<a name="line.544"></a> |
| <span class="sourceLineNo">545</span> }<a name="line.545"></a> |
| <span class="sourceLineNo">546</span><a name="line.546"></a> |
| <span class="sourceLineNo">547</span> return newLocalAddresses;<a name="line.547"></a> |
| <span class="sourceLineNo">548</span> }<a name="line.548"></a> |
| <span class="sourceLineNo">549</span><a name="line.549"></a> |
| <span class="sourceLineNo">550</span> protected void close(DatagramChannel handle) throws Exception {<a name="line.550"></a> |
| <span class="sourceLineNo">551</span> SelectionKey key = handle.keyFor(selector);<a name="line.551"></a> |
| <span class="sourceLineNo">552</span><a name="line.552"></a> |
| <span class="sourceLineNo">553</span> if (key != null) {<a name="line.553"></a> |
| <span class="sourceLineNo">554</span> key.cancel();<a name="line.554"></a> |
| <span class="sourceLineNo">555</span> }<a name="line.555"></a> |
| <span class="sourceLineNo">556</span><a name="line.556"></a> |
| <span class="sourceLineNo">557</span> handle.disconnect();<a name="line.557"></a> |
| <span class="sourceLineNo">558</span> handle.close();<a name="line.558"></a> |
| <span class="sourceLineNo">559</span> }<a name="line.559"></a> |
| <span class="sourceLineNo">560</span><a name="line.560"></a> |
| <span class="sourceLineNo">561</span> protected void destroy() throws Exception {<a name="line.561"></a> |
| <span class="sourceLineNo">562</span> if (selector != null) {<a name="line.562"></a> |
| <span class="sourceLineNo">563</span> selector.close();<a name="line.563"></a> |
| <span class="sourceLineNo">564</span> }<a name="line.564"></a> |
| <span class="sourceLineNo">565</span> }<a name="line.565"></a> |
| <span class="sourceLineNo">566</span><a name="line.566"></a> |
| <span class="sourceLineNo">567</span> /**<a name="line.567"></a> |
| <span class="sourceLineNo">568</span> * {@inheritDoc}<a name="line.568"></a> |
| <span class="sourceLineNo">569</span> */<a name="line.569"></a> |
| <span class="sourceLineNo">570</span> @Override<a name="line.570"></a> |
| <span class="sourceLineNo">571</span> protected void dispose0() throws Exception {<a name="line.571"></a> |
| <span class="sourceLineNo">572</span> unbind();<a name="line.572"></a> |
| <span class="sourceLineNo">573</span> startupAcceptor();<a name="line.573"></a> |
| <span class="sourceLineNo">574</span> wakeup();<a name="line.574"></a> |
| <span class="sourceLineNo">575</span> }<a name="line.575"></a> |
| <span class="sourceLineNo">576</span><a name="line.576"></a> |
| <span class="sourceLineNo">577</span> /**<a name="line.577"></a> |
| <span class="sourceLineNo">578</span> * {@inheritDoc}<a name="line.578"></a> |
| <span class="sourceLineNo">579</span> */<a name="line.579"></a> |
| <span class="sourceLineNo">580</span> public void flush(NioSession session) {<a name="line.580"></a> |
| <span class="sourceLineNo">581</span> if (scheduleFlush(session)) {<a name="line.581"></a> |
| <span class="sourceLineNo">582</span> wakeup();<a name="line.582"></a> |
| <span class="sourceLineNo">583</span> }<a name="line.583"></a> |
| <span class="sourceLineNo">584</span> }<a name="line.584"></a> |
| <span class="sourceLineNo">585</span><a name="line.585"></a> |
| <span class="sourceLineNo">586</span> @Override<a name="line.586"></a> |
| <span class="sourceLineNo">587</span> public InetSocketAddress getDefaultLocalAddress() {<a name="line.587"></a> |
| <span class="sourceLineNo">588</span> return (InetSocketAddress) super.getDefaultLocalAddress();<a name="line.588"></a> |
| <span class="sourceLineNo">589</span> }<a name="line.589"></a> |
| <span class="sourceLineNo">590</span><a name="line.590"></a> |
| <span class="sourceLineNo">591</span> @Override<a name="line.591"></a> |
| <span class="sourceLineNo">592</span> public InetSocketAddress getLocalAddress() {<a name="line.592"></a> |
| <span class="sourceLineNo">593</span> return (InetSocketAddress) super.getLocalAddress();<a name="line.593"></a> |
| <span class="sourceLineNo">594</span> }<a name="line.594"></a> |
| <span class="sourceLineNo">595</span><a name="line.595"></a> |
| <span class="sourceLineNo">596</span> /**<a name="line.596"></a> |
| <span class="sourceLineNo">597</span> * {@inheritDoc}<a name="line.597"></a> |
| <span class="sourceLineNo">598</span> */<a name="line.598"></a> |
| <span class="sourceLineNo">599</span> public DatagramSessionConfig getSessionConfig() {<a name="line.599"></a> |
| <span class="sourceLineNo">600</span> return (DatagramSessionConfig) sessionConfig;<a name="line.600"></a> |
| <span class="sourceLineNo">601</span> }<a name="line.601"></a> |
| <span class="sourceLineNo">602</span><a name="line.602"></a> |
| <span class="sourceLineNo">603</span> public final IoSessionRecycler getSessionRecycler() {<a name="line.603"></a> |
| <span class="sourceLineNo">604</span> return sessionRecycler;<a name="line.604"></a> |
| <span class="sourceLineNo">605</span> }<a name="line.605"></a> |
| <span class="sourceLineNo">606</span><a name="line.606"></a> |
| <span class="sourceLineNo">607</span> public TransportMetadata getTransportMetadata() {<a name="line.607"></a> |
| <span class="sourceLineNo">608</span> return NioDatagramSession.METADATA;<a name="line.608"></a> |
| <span class="sourceLineNo">609</span> }<a name="line.609"></a> |
| <span class="sourceLineNo">610</span><a name="line.610"></a> |
| <span class="sourceLineNo">611</span> protected boolean isReadable(DatagramChannel handle) {<a name="line.611"></a> |
| <span class="sourceLineNo">612</span> SelectionKey key = handle.keyFor(selector);<a name="line.612"></a> |
| <span class="sourceLineNo">613</span><a name="line.613"></a> |
| <span class="sourceLineNo">614</span> if ((key == null) || (!key.isValid())) {<a name="line.614"></a> |
| <span class="sourceLineNo">615</span> return false;<a name="line.615"></a> |
| <span class="sourceLineNo">616</span> }<a name="line.616"></a> |
| <span class="sourceLineNo">617</span><a name="line.617"></a> |
| <span class="sourceLineNo">618</span> return key.isReadable();<a name="line.618"></a> |
| <span class="sourceLineNo">619</span> }<a name="line.619"></a> |
| <span class="sourceLineNo">620</span><a name="line.620"></a> |
| <span class="sourceLineNo">621</span> protected boolean isWritable(DatagramChannel handle) {<a name="line.621"></a> |
| <span class="sourceLineNo">622</span> SelectionKey key = handle.keyFor(selector);<a name="line.622"></a> |
| <span class="sourceLineNo">623</span><a name="line.623"></a> |
| <span class="sourceLineNo">624</span> if ((key == null) || (!key.isValid())) {<a name="line.624"></a> |
| <span class="sourceLineNo">625</span> return false;<a name="line.625"></a> |
| <span class="sourceLineNo">626</span> }<a name="line.626"></a> |
| <span class="sourceLineNo">627</span><a name="line.627"></a> |
| <span class="sourceLineNo">628</span> return key.isWritable();<a name="line.628"></a> |
| <span class="sourceLineNo">629</span> }<a name="line.629"></a> |
| <span class="sourceLineNo">630</span><a name="line.630"></a> |
| <span class="sourceLineNo">631</span> protected SocketAddress localAddress(DatagramChannel handle) throws Exception {<a name="line.631"></a> |
| <span class="sourceLineNo">632</span> InetSocketAddress inetSocketAddress = (InetSocketAddress) handle.socket().getLocalSocketAddress();<a name="line.632"></a> |
| <span class="sourceLineNo">633</span> InetAddress inetAddress = inetSocketAddress.getAddress();<a name="line.633"></a> |
| <span class="sourceLineNo">634</span><a name="line.634"></a> |
| <span class="sourceLineNo">635</span> if ((inetAddress instanceof Inet6Address) && (((Inet6Address) inetAddress).isIPv4CompatibleAddress())) {<a name="line.635"></a> |
| <span class="sourceLineNo">636</span> // Ugly hack to workaround a problem on linux : the ANY address is always converted to IPV6<a name="line.636"></a> |
| <span class="sourceLineNo">637</span> // even if the original address was an IPV4 address. We do store the two IPV4 and IPV6<a name="line.637"></a> |
| <span class="sourceLineNo">638</span> // ANY address in the map.<a name="line.638"></a> |
| <span class="sourceLineNo">639</span> byte[] ipV6Address = ((Inet6Address) inetAddress).getAddress();<a name="line.639"></a> |
| <span class="sourceLineNo">640</span> byte[] ipV4Address = new byte[4];<a name="line.640"></a> |
| <span class="sourceLineNo">641</span><a name="line.641"></a> |
| <span class="sourceLineNo">642</span> System.arraycopy(ipV6Address, 12, ipV4Address, 0, 4);<a name="line.642"></a> |
| <span class="sourceLineNo">643</span><a name="line.643"></a> |
| <span class="sourceLineNo">644</span> InetAddress inet4Adress = Inet4Address.getByAddress(ipV4Address);<a name="line.644"></a> |
| <span class="sourceLineNo">645</span> return new InetSocketAddress(inet4Adress, inetSocketAddress.getPort());<a name="line.645"></a> |
| <span class="sourceLineNo">646</span> } else {<a name="line.646"></a> |
| <span class="sourceLineNo">647</span> return inetSocketAddress;<a name="line.647"></a> |
| <span class="sourceLineNo">648</span> }<a name="line.648"></a> |
| <span class="sourceLineNo">649</span> }<a name="line.649"></a> |
| <span class="sourceLineNo">650</span><a name="line.650"></a> |
| <span class="sourceLineNo">651</span> protected NioSession newSession(IoProcessor<NioSession> processor, DatagramChannel handle,<a name="line.651"></a> |
| <span class="sourceLineNo">652</span> SocketAddress remoteAddress) {<a name="line.652"></a> |
| <span class="sourceLineNo">653</span> SelectionKey key = handle.keyFor(selector);<a name="line.653"></a> |
| <span class="sourceLineNo">654</span><a name="line.654"></a> |
| <span class="sourceLineNo">655</span> if ((key == null) || (!key.isValid())) {<a name="line.655"></a> |
| <span class="sourceLineNo">656</span> return null;<a name="line.656"></a> |
| <span class="sourceLineNo">657</span> }<a name="line.657"></a> |
| <span class="sourceLineNo">658</span><a name="line.658"></a> |
| <span class="sourceLineNo">659</span> NioDatagramSession newSession = new NioDatagramSession(this, handle, processor, remoteAddress);<a name="line.659"></a> |
| <span class="sourceLineNo">660</span> newSession.setSelectionKey(key);<a name="line.660"></a> |
| <span class="sourceLineNo">661</span><a name="line.661"></a> |
| <span class="sourceLineNo">662</span> return newSession;<a name="line.662"></a> |
| <span class="sourceLineNo">663</span> }<a name="line.663"></a> |
| <span class="sourceLineNo">664</span><a name="line.664"></a> |
| <span class="sourceLineNo">665</span> /**<a name="line.665"></a> |
| <span class="sourceLineNo">666</span> * {@inheritDoc}<a name="line.666"></a> |
| <span class="sourceLineNo">667</span> */<a name="line.667"></a> |
| <span class="sourceLineNo">668</span> public final IoSession newSession(SocketAddress remoteAddress, SocketAddress localAddress) {<a name="line.668"></a> |
| <span class="sourceLineNo">669</span> if (isDisposing()) {<a name="line.669"></a> |
| <span class="sourceLineNo">670</span> throw new IllegalStateException("The Acceptor is being disposed.");<a name="line.670"></a> |
| <span class="sourceLineNo">671</span> }<a name="line.671"></a> |
| <span class="sourceLineNo">672</span><a name="line.672"></a> |
| <span class="sourceLineNo">673</span> if (remoteAddress == null) {<a name="line.673"></a> |
| <span class="sourceLineNo">674</span> throw new IllegalArgumentException("remoteAddress");<a name="line.674"></a> |
| <span class="sourceLineNo">675</span> }<a name="line.675"></a> |
| <span class="sourceLineNo">676</span><a name="line.676"></a> |
| <span class="sourceLineNo">677</span> synchronized (bindLock) {<a name="line.677"></a> |
| <span class="sourceLineNo">678</span> if (!isActive()) {<a name="line.678"></a> |
| <span class="sourceLineNo">679</span> throw new IllegalStateException("Can't create a session from a unbound service.");<a name="line.679"></a> |
| <span class="sourceLineNo">680</span> }<a name="line.680"></a> |
| <span class="sourceLineNo">681</span><a name="line.681"></a> |
| <span class="sourceLineNo">682</span> try {<a name="line.682"></a> |
| <span class="sourceLineNo">683</span> return newSessionWithoutLock(remoteAddress, localAddress);<a name="line.683"></a> |
| <span class="sourceLineNo">684</span> } catch (RuntimeException e) {<a name="line.684"></a> |
| <span class="sourceLineNo">685</span> throw e;<a name="line.685"></a> |
| <span class="sourceLineNo">686</span> } catch (Error e) {<a name="line.686"></a> |
| <span class="sourceLineNo">687</span> throw e;<a name="line.687"></a> |
| <span class="sourceLineNo">688</span> } catch (Exception e) {<a name="line.688"></a> |
| <span class="sourceLineNo">689</span> throw new RuntimeIoException("Failed to create a session.", e);<a name="line.689"></a> |
| <span class="sourceLineNo">690</span> }<a name="line.690"></a> |
| <span class="sourceLineNo">691</span> }<a name="line.691"></a> |
| <span class="sourceLineNo">692</span> }<a name="line.692"></a> |
| <span class="sourceLineNo">693</span><a name="line.693"></a> |
| <span class="sourceLineNo">694</span> protected DatagramChannel open(SocketAddress localAddress) throws Exception {<a name="line.694"></a> |
| <span class="sourceLineNo">695</span> final DatagramChannel ch = DatagramChannel.open();<a name="line.695"></a> |
| <span class="sourceLineNo">696</span> boolean success = false;<a name="line.696"></a> |
| <span class="sourceLineNo">697</span> try {<a name="line.697"></a> |
| <span class="sourceLineNo">698</span> new NioDatagramSessionConfig(ch).setAll(getSessionConfig());<a name="line.698"></a> |
| <span class="sourceLineNo">699</span> ch.configureBlocking(false);<a name="line.699"></a> |
| <span class="sourceLineNo">700</span><a name="line.700"></a> |
| <span class="sourceLineNo">701</span> try {<a name="line.701"></a> |
| <span class="sourceLineNo">702</span> ch.socket().bind(localAddress);<a name="line.702"></a> |
| <span class="sourceLineNo">703</span> } catch (IOException ioe) {<a name="line.703"></a> |
| <span class="sourceLineNo">704</span> // Add some info regarding the address we try to bind to the<a name="line.704"></a> |
| <span class="sourceLineNo">705</span> // message<a name="line.705"></a> |
| <span class="sourceLineNo">706</span> String newMessage = "Error while binding on " + localAddress + "\n" + "original message : "<a name="line.706"></a> |
| <span class="sourceLineNo">707</span> + ioe.getMessage();<a name="line.707"></a> |
| <span class="sourceLineNo">708</span> Exception e = new IOException(newMessage);<a name="line.708"></a> |
| <span class="sourceLineNo">709</span> e.initCause(ioe.getCause());<a name="line.709"></a> |
| <span class="sourceLineNo">710</span><a name="line.710"></a> |
| <span class="sourceLineNo">711</span> // And close the channel<a name="line.711"></a> |
| <span class="sourceLineNo">712</span> ch.close();<a name="line.712"></a> |
| <span class="sourceLineNo">713</span><a name="line.713"></a> |
| <span class="sourceLineNo">714</span> throw e;<a name="line.714"></a> |
| <span class="sourceLineNo">715</span> }<a name="line.715"></a> |
| <span class="sourceLineNo">716</span><a name="line.716"></a> |
| <span class="sourceLineNo">717</span> ch.register(selector, SelectionKey.OP_READ);<a name="line.717"></a> |
| <span class="sourceLineNo">718</span> success = true;<a name="line.718"></a> |
| <span class="sourceLineNo">719</span> } finally {<a name="line.719"></a> |
| <span class="sourceLineNo">720</span> if (!success) {<a name="line.720"></a> |
| <span class="sourceLineNo">721</span> close(ch);<a name="line.721"></a> |
| <span class="sourceLineNo">722</span> }<a name="line.722"></a> |
| <span class="sourceLineNo">723</span> }<a name="line.723"></a> |
| <span class="sourceLineNo">724</span><a name="line.724"></a> |
| <span class="sourceLineNo">725</span> return ch;<a name="line.725"></a> |
| <span class="sourceLineNo">726</span> }<a name="line.726"></a> |
| <span class="sourceLineNo">727</span><a name="line.727"></a> |
| <span class="sourceLineNo">728</span> protected SocketAddress receive(DatagramChannel handle, IoBuffer buffer) throws Exception {<a name="line.728"></a> |
| <span class="sourceLineNo">729</span> return handle.receive(buffer.buf());<a name="line.729"></a> |
| <span class="sourceLineNo">730</span> }<a name="line.730"></a> |
| <span class="sourceLineNo">731</span><a name="line.731"></a> |
| <span class="sourceLineNo">732</span> /**<a name="line.732"></a> |
| <span class="sourceLineNo">733</span> * {@inheritDoc}<a name="line.733"></a> |
| <span class="sourceLineNo">734</span> */<a name="line.734"></a> |
| <span class="sourceLineNo">735</span> public void remove(NioSession session) {<a name="line.735"></a> |
| <span class="sourceLineNo">736</span> getSessionRecycler().remove(session);<a name="line.736"></a> |
| <span class="sourceLineNo">737</span> getListeners().fireSessionDestroyed(session);<a name="line.737"></a> |
| <span class="sourceLineNo">738</span> }<a name="line.738"></a> |
| <span class="sourceLineNo">739</span><a name="line.739"></a> |
| <span class="sourceLineNo">740</span> protected int select() throws Exception {<a name="line.740"></a> |
| <span class="sourceLineNo">741</span> return selector.select();<a name="line.741"></a> |
| <span class="sourceLineNo">742</span> }<a name="line.742"></a> |
| <span class="sourceLineNo">743</span><a name="line.743"></a> |
| <span class="sourceLineNo">744</span> protected int select(long timeout) throws Exception {<a name="line.744"></a> |
| <span class="sourceLineNo">745</span> return selector.select(timeout);<a name="line.745"></a> |
| <span class="sourceLineNo">746</span> }<a name="line.746"></a> |
| <span class="sourceLineNo">747</span><a name="line.747"></a> |
| <span class="sourceLineNo">748</span> protected Set<SelectionKey> selectedHandles() {<a name="line.748"></a> |
| <span class="sourceLineNo">749</span> return selector.selectedKeys();<a name="line.749"></a> |
| <span class="sourceLineNo">750</span> }<a name="line.750"></a> |
| <span class="sourceLineNo">751</span><a name="line.751"></a> |
| <span class="sourceLineNo">752</span> protected int send(NioSession session, IoBuffer buffer, SocketAddress remoteAddress) throws Exception {<a name="line.752"></a> |
| <span class="sourceLineNo">753</span> return ((DatagramChannel) session.getChannel()).send(buffer.buf(), remoteAddress);<a name="line.753"></a> |
| <span class="sourceLineNo">754</span> }<a name="line.754"></a> |
| <span class="sourceLineNo">755</span><a name="line.755"></a> |
| <span class="sourceLineNo">756</span> public void setDefaultLocalAddress(InetSocketAddress localAddress) {<a name="line.756"></a> |
| <span class="sourceLineNo">757</span> setDefaultLocalAddress((SocketAddress) localAddress);<a name="line.757"></a> |
| <span class="sourceLineNo">758</span> }<a name="line.758"></a> |
| <span class="sourceLineNo">759</span><a name="line.759"></a> |
| <span class="sourceLineNo">760</span> protected void setInterestedInWrite(NioSession session, boolean isInterested) throws Exception {<a name="line.760"></a> |
| <span class="sourceLineNo">761</span> SelectionKey key = session.getSelectionKey();<a name="line.761"></a> |
| <span class="sourceLineNo">762</span><a name="line.762"></a> |
| <span class="sourceLineNo">763</span> if (key == null) {<a name="line.763"></a> |
| <span class="sourceLineNo">764</span> return;<a name="line.764"></a> |
| <span class="sourceLineNo">765</span> }<a name="line.765"></a> |
| <span class="sourceLineNo">766</span><a name="line.766"></a> |
| <span class="sourceLineNo">767</span> int newInterestOps = key.interestOps();<a name="line.767"></a> |
| <span class="sourceLineNo">768</span><a name="line.768"></a> |
| <span class="sourceLineNo">769</span> if (isInterested) {<a name="line.769"></a> |
| <span class="sourceLineNo">770</span> newInterestOps |= SelectionKey.OP_WRITE;<a name="line.770"></a> |
| <span class="sourceLineNo">771</span> } else {<a name="line.771"></a> |
| <span class="sourceLineNo">772</span> newInterestOps &= ~SelectionKey.OP_WRITE;<a name="line.772"></a> |
| <span class="sourceLineNo">773</span> }<a name="line.773"></a> |
| <span class="sourceLineNo">774</span><a name="line.774"></a> |
| <span class="sourceLineNo">775</span> key.interestOps(newInterestOps);<a name="line.775"></a> |
| <span class="sourceLineNo">776</span> }<a name="line.776"></a> |
| <span class="sourceLineNo">777</span><a name="line.777"></a> |
| <span class="sourceLineNo">778</span> public final void setSessionRecycler(IoSessionRecycler sessionRecycler) {<a name="line.778"></a> |
| <span class="sourceLineNo">779</span> synchronized (bindLock) {<a name="line.779"></a> |
| <span class="sourceLineNo">780</span> if (isActive()) {<a name="line.780"></a> |
| <span class="sourceLineNo">781</span> throw new IllegalStateException("sessionRecycler can't be set while the acceptor is bound.");<a name="line.781"></a> |
| <span class="sourceLineNo">782</span> }<a name="line.782"></a> |
| <span class="sourceLineNo">783</span><a name="line.783"></a> |
| <span class="sourceLineNo">784</span> if (sessionRecycler == null) {<a name="line.784"></a> |
| <span class="sourceLineNo">785</span> sessionRecycler = DEFAULT_RECYCLER;<a name="line.785"></a> |
| <span class="sourceLineNo">786</span> }<a name="line.786"></a> |
| <span class="sourceLineNo">787</span><a name="line.787"></a> |
| <span class="sourceLineNo">788</span> this.sessionRecycler = sessionRecycler;<a name="line.788"></a> |
| <span class="sourceLineNo">789</span> }<a name="line.789"></a> |
| <span class="sourceLineNo">790</span> }<a name="line.790"></a> |
| <span class="sourceLineNo">791</span><a name="line.791"></a> |
| <span class="sourceLineNo">792</span> /**<a name="line.792"></a> |
| <span class="sourceLineNo">793</span> * {@inheritDoc}<a name="line.793"></a> |
| <span class="sourceLineNo">794</span> */<a name="line.794"></a> |
| <span class="sourceLineNo">795</span> @Override<a name="line.795"></a> |
| <span class="sourceLineNo">796</span> protected final void unbind0(List<? extends SocketAddress> localAddresses) throws Exception {<a name="line.796"></a> |
| <span class="sourceLineNo">797</span> AcceptorOperationFuture request = new AcceptorOperationFuture(localAddresses);<a name="line.797"></a> |
| <span class="sourceLineNo">798</span><a name="line.798"></a> |
| <span class="sourceLineNo">799</span> cancelQueue.add(request);<a name="line.799"></a> |
| <span class="sourceLineNo">800</span> startupAcceptor();<a name="line.800"></a> |
| <span class="sourceLineNo">801</span> wakeup();<a name="line.801"></a> |
| <span class="sourceLineNo">802</span><a name="line.802"></a> |
| <span class="sourceLineNo">803</span> request.awaitUninterruptibly();<a name="line.803"></a> |
| <span class="sourceLineNo">804</span><a name="line.804"></a> |
| <span class="sourceLineNo">805</span> if (request.getException() != null) {<a name="line.805"></a> |
| <span class="sourceLineNo">806</span> throw request.getException();<a name="line.806"></a> |
| <span class="sourceLineNo">807</span> }<a name="line.807"></a> |
| <span class="sourceLineNo">808</span> }<a name="line.808"></a> |
| <span class="sourceLineNo">809</span><a name="line.809"></a> |
| <span class="sourceLineNo">810</span> /**<a name="line.810"></a> |
| <span class="sourceLineNo">811</span> * {@inheritDoc}<a name="line.811"></a> |
| <span class="sourceLineNo">812</span> */<a name="line.812"></a> |
| <span class="sourceLineNo">813</span> public void updateTrafficControl(NioSession session) {<a name="line.813"></a> |
| <span class="sourceLineNo">814</span> throw new UnsupportedOperationException();<a name="line.814"></a> |
| <span class="sourceLineNo">815</span> }<a name="line.815"></a> |
| <span class="sourceLineNo">816</span><a name="line.816"></a> |
| <span class="sourceLineNo">817</span> protected void wakeup() {<a name="line.817"></a> |
| <span class="sourceLineNo">818</span> selector.wakeup();<a name="line.818"></a> |
| <span class="sourceLineNo">819</span> }<a name="line.819"></a> |
| <span class="sourceLineNo">820</span><a name="line.820"></a> |
| <span class="sourceLineNo">821</span> /**<a name="line.821"></a> |
| <span class="sourceLineNo">822</span> * {@inheritDoc}<a name="line.822"></a> |
| <span class="sourceLineNo">823</span> */<a name="line.823"></a> |
| <span class="sourceLineNo">824</span> public void write(NioSession session, WriteRequest writeRequest) {<a name="line.824"></a> |
| <span class="sourceLineNo">825</span> // We will try to write the message directly<a name="line.825"></a> |
| <span class="sourceLineNo">826</span> long currentTime = System.currentTimeMillis();<a name="line.826"></a> |
| <span class="sourceLineNo">827</span> final WriteRequestQueue writeRequestQueue = session.getWriteRequestQueue();<a name="line.827"></a> |
| <span class="sourceLineNo">828</span> final int maxWrittenBytes = session.getConfig().getMaxReadBufferSize()<a name="line.828"></a> |
| <span class="sourceLineNo">829</span> + (session.getConfig().getMaxReadBufferSize() >>> 1);<a name="line.829"></a> |
| <span class="sourceLineNo">830</span><a name="line.830"></a> |
| <span class="sourceLineNo">831</span> int writtenBytes = 0;<a name="line.831"></a> |
| <span class="sourceLineNo">832</span><a name="line.832"></a> |
| <span class="sourceLineNo">833</span> // Deal with the special case of a Message marker (no bytes in the request)<a name="line.833"></a> |
| <span class="sourceLineNo">834</span> // We just have to return after having calle dthe messageSent event<a name="line.834"></a> |
| <span class="sourceLineNo">835</span> IoBuffer buf = (IoBuffer) writeRequest.getMessage();<a name="line.835"></a> |
| <span class="sourceLineNo">836</span><a name="line.836"></a> |
| <span class="sourceLineNo">837</span> if (buf.remaining() == 0) {<a name="line.837"></a> |
| <span class="sourceLineNo">838</span> // Clear and fire event<a name="line.838"></a> |
| <span class="sourceLineNo">839</span> session.setCurrentWriteRequest(null);<a name="line.839"></a> |
| <span class="sourceLineNo">840</span> buf.reset();<a name="line.840"></a> |
| <span class="sourceLineNo">841</span> session.getFilterChain().fireMessageSent(writeRequest);<a name="line.841"></a> |
| <span class="sourceLineNo">842</span> return;<a name="line.842"></a> |
| <span class="sourceLineNo">843</span> }<a name="line.843"></a> |
| <span class="sourceLineNo">844</span><a name="line.844"></a> |
| <span class="sourceLineNo">845</span> // Now, write the data<a name="line.845"></a> |
| <span class="sourceLineNo">846</span> try {<a name="line.846"></a> |
| <span class="sourceLineNo">847</span> for (;;) {<a name="line.847"></a> |
| <span class="sourceLineNo">848</span> if (writeRequest == null) {<a name="line.848"></a> |
| <span class="sourceLineNo">849</span> writeRequest = writeRequestQueue.poll(session);<a name="line.849"></a> |
| <span class="sourceLineNo">850</span><a name="line.850"></a> |
| <span class="sourceLineNo">851</span> if (writeRequest == null) {<a name="line.851"></a> |
| <span class="sourceLineNo">852</span> setInterestedInWrite(session, false);<a name="line.852"></a> |
| <span class="sourceLineNo">853</span> break;<a name="line.853"></a> |
| <span class="sourceLineNo">854</span> }<a name="line.854"></a> |
| <span class="sourceLineNo">855</span><a name="line.855"></a> |
| <span class="sourceLineNo">856</span> session.setCurrentWriteRequest(writeRequest);<a name="line.856"></a> |
| <span class="sourceLineNo">857</span> }<a name="line.857"></a> |
| <span class="sourceLineNo">858</span><a name="line.858"></a> |
| <span class="sourceLineNo">859</span> buf = (IoBuffer) writeRequest.getMessage();<a name="line.859"></a> |
| <span class="sourceLineNo">860</span><a name="line.860"></a> |
| <span class="sourceLineNo">861</span> if (buf.remaining() == 0) {<a name="line.861"></a> |
| <span class="sourceLineNo">862</span> // Clear and fire event<a name="line.862"></a> |
| <span class="sourceLineNo">863</span> session.setCurrentWriteRequest(null);<a name="line.863"></a> |
| <span class="sourceLineNo">864</span> buf.reset();<a name="line.864"></a> |
| <span class="sourceLineNo">865</span> session.getFilterChain().fireMessageSent(writeRequest);<a name="line.865"></a> |
| <span class="sourceLineNo">866</span> continue;<a name="line.866"></a> |
| <span class="sourceLineNo">867</span> }<a name="line.867"></a> |
| <span class="sourceLineNo">868</span><a name="line.868"></a> |
| <span class="sourceLineNo">869</span> SocketAddress destination = writeRequest.getDestination();<a name="line.869"></a> |
| <span class="sourceLineNo">870</span><a name="line.870"></a> |
| <span class="sourceLineNo">871</span> if (destination == null) {<a name="line.871"></a> |
| <span class="sourceLineNo">872</span> destination = session.getRemoteAddress();<a name="line.872"></a> |
| <span class="sourceLineNo">873</span> }<a name="line.873"></a> |
| <span class="sourceLineNo">874</span><a name="line.874"></a> |
| <span class="sourceLineNo">875</span> int localWrittenBytes = send(session, buf, destination);<a name="line.875"></a> |
| <span class="sourceLineNo">876</span><a name="line.876"></a> |
| <span class="sourceLineNo">877</span> if ((localWrittenBytes == 0) || (writtenBytes >= maxWrittenBytes)) {<a name="line.877"></a> |
| <span class="sourceLineNo">878</span> // Kernel buffer is full or wrote too much<a name="line.878"></a> |
| <span class="sourceLineNo">879</span> setInterestedInWrite(session, true);<a name="line.879"></a> |
| <span class="sourceLineNo">880</span><a name="line.880"></a> |
| <span class="sourceLineNo">881</span> session.getWriteRequestQueue().offer(session, writeRequest);<a name="line.881"></a> |
| <span class="sourceLineNo">882</span> scheduleFlush(session);<a name="line.882"></a> |
| <span class="sourceLineNo">883</span> } else {<a name="line.883"></a> |
| <span class="sourceLineNo">884</span> setInterestedInWrite(session, false);<a name="line.884"></a> |
| <span class="sourceLineNo">885</span><a name="line.885"></a> |
| <span class="sourceLineNo">886</span> // Clear and fire event<a name="line.886"></a> |
| <span class="sourceLineNo">887</span> session.setCurrentWriteRequest(null);<a name="line.887"></a> |
| <span class="sourceLineNo">888</span> writtenBytes += localWrittenBytes;<a name="line.888"></a> |
| <span class="sourceLineNo">889</span> buf.reset();<a name="line.889"></a> |
| <span class="sourceLineNo">890</span> session.getFilterChain().fireMessageSent(writeRequest);<a name="line.890"></a> |
| <span class="sourceLineNo">891</span><a name="line.891"></a> |
| <span class="sourceLineNo">892</span> break;<a name="line.892"></a> |
| <span class="sourceLineNo">893</span> }<a name="line.893"></a> |
| <span class="sourceLineNo">894</span> }<a name="line.894"></a> |
| <span class="sourceLineNo">895</span> } catch (Exception e) {<a name="line.895"></a> |
| <span class="sourceLineNo">896</span> session.getFilterChain().fireExceptionCaught(e);<a name="line.896"></a> |
| <span class="sourceLineNo">897</span> } finally {<a name="line.897"></a> |
| <span class="sourceLineNo">898</span> session.increaseWrittenBytes(writtenBytes, currentTime);<a name="line.898"></a> |
| <span class="sourceLineNo">899</span> }<a name="line.899"></a> |
| <span class="sourceLineNo">900</span> }<a name="line.900"></a> |
| <span class="sourceLineNo">901</span>}<a name="line.901"></a> |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| </pre> |
| </div> |
| </body> |
| </html> |