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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.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.InetSocketAddress;<a name="line.23"></a>
<span class="sourceLineNo">024</span>import java.net.SocketAddress;<a name="line.24"></a>
<span class="sourceLineNo">025</span>import java.nio.channels.SelectionKey;<a name="line.25"></a>
<span class="sourceLineNo">026</span>import java.nio.channels.Selector;<a name="line.26"></a>
<span class="sourceLineNo">027</span>import java.nio.channels.SocketChannel;<a name="line.27"></a>
<span class="sourceLineNo">028</span>import java.util.Collection;<a name="line.28"></a>
<span class="sourceLineNo">029</span>import java.util.Iterator;<a name="line.29"></a>
<span class="sourceLineNo">030</span>import java.util.concurrent.Executor;<a name="line.30"></a>
<span class="sourceLineNo">031</span><a name="line.31"></a>
<span class="sourceLineNo">032</span>import org.apache.mina.core.polling.AbstractPollingIoConnector;<a name="line.32"></a>
<span class="sourceLineNo">033</span>import org.apache.mina.core.service.IoConnector;<a name="line.33"></a>
<span class="sourceLineNo">034</span>import org.apache.mina.core.service.IoProcessor;<a name="line.34"></a>
<span class="sourceLineNo">035</span>import org.apache.mina.core.service.IoService;<a name="line.35"></a>
<span class="sourceLineNo">036</span>import org.apache.mina.core.service.SimpleIoProcessorPool;<a name="line.36"></a>
<span class="sourceLineNo">037</span>import org.apache.mina.core.service.TransportMetadata;<a name="line.37"></a>
<span class="sourceLineNo">038</span>import org.apache.mina.transport.socket.DefaultSocketSessionConfig;<a name="line.38"></a>
<span class="sourceLineNo">039</span>import org.apache.mina.transport.socket.SocketConnector;<a name="line.39"></a>
<span class="sourceLineNo">040</span>import org.apache.mina.transport.socket.SocketSessionConfig;<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> * {@link IoConnector} for socket transport (TCP/IP).<a name="line.43"></a>
<span class="sourceLineNo">044</span> *<a name="line.44"></a>
<span class="sourceLineNo">045</span> * @author &lt;a href="http://mina.apache.org"&gt;Apache MINA Project&lt;/a&gt;<a name="line.45"></a>
<span class="sourceLineNo">046</span> */<a name="line.46"></a>
<span class="sourceLineNo">047</span>public final class NioSocketConnector extends AbstractPollingIoConnector&lt;NioSession, SocketChannel&gt; implements<a name="line.47"></a>
<span class="sourceLineNo">048</span>SocketConnector {<a name="line.48"></a>
<span class="sourceLineNo">049</span><a name="line.49"></a>
<span class="sourceLineNo">050</span> private volatile Selector selector;<a name="line.50"></a>
<span class="sourceLineNo">051</span><a name="line.51"></a>
<span class="sourceLineNo">052</span> /**<a name="line.52"></a>
<span class="sourceLineNo">053</span> * Constructor for {@link NioSocketConnector} with default configuration (multiple thread model).<a name="line.53"></a>
<span class="sourceLineNo">054</span> */<a name="line.54"></a>
<span class="sourceLineNo">055</span> public NioSocketConnector() {<a name="line.55"></a>
<span class="sourceLineNo">056</span> super(new DefaultSocketSessionConfig(), NioProcessor.class);<a name="line.56"></a>
<span class="sourceLineNo">057</span> ((DefaultSocketSessionConfig) getSessionConfig()).init(this);<a name="line.57"></a>
<span class="sourceLineNo">058</span> }<a name="line.58"></a>
<span class="sourceLineNo">059</span><a name="line.59"></a>
<span class="sourceLineNo">060</span> /**<a name="line.60"></a>
<span class="sourceLineNo">061</span> * Constructor for {@link NioSocketConnector} with default configuration, and<a name="line.61"></a>
<span class="sourceLineNo">062</span> * given number of {@link NioProcessor} for multithreading I/O operations<a name="line.62"></a>
<span class="sourceLineNo">063</span> * @param processorCount the number of processor to create and place in a<a name="line.63"></a>
<span class="sourceLineNo">064</span> * {@link SimpleIoProcessorPool}<a name="line.64"></a>
<span class="sourceLineNo">065</span> */<a name="line.65"></a>
<span class="sourceLineNo">066</span> public NioSocketConnector(int processorCount) {<a name="line.66"></a>
<span class="sourceLineNo">067</span> super(new DefaultSocketSessionConfig(), NioProcessor.class, processorCount);<a name="line.67"></a>
<span class="sourceLineNo">068</span> ((DefaultSocketSessionConfig) getSessionConfig()).init(this);<a name="line.68"></a>
<span class="sourceLineNo">069</span> }<a name="line.69"></a>
<span class="sourceLineNo">070</span><a name="line.70"></a>
<span class="sourceLineNo">071</span> /**<a name="line.71"></a>
<span class="sourceLineNo">072</span> * Constructor for {@link NioSocketConnector} with default configuration but a<a name="line.72"></a>
<span class="sourceLineNo">073</span> * specific {@link IoProcessor}, useful for sharing the same processor over multiple<a name="line.73"></a>
<span class="sourceLineNo">074</span> * {@link IoService} of the same type.<a name="line.74"></a>
<span class="sourceLineNo">075</span> * @param processor the processor to use for managing I/O events<a name="line.75"></a>
<span class="sourceLineNo">076</span> */<a name="line.76"></a>
<span class="sourceLineNo">077</span> public NioSocketConnector(IoProcessor&lt;NioSession&gt; processor) {<a name="line.77"></a>
<span class="sourceLineNo">078</span> super(new DefaultSocketSessionConfig(), processor);<a name="line.78"></a>
<span class="sourceLineNo">079</span> ((DefaultSocketSessionConfig) getSessionConfig()).init(this);<a name="line.79"></a>
<span class="sourceLineNo">080</span> }<a name="line.80"></a>
<span class="sourceLineNo">081</span><a name="line.81"></a>
<span class="sourceLineNo">082</span> /**<a name="line.82"></a>
<span class="sourceLineNo">083</span> * Constructor for {@link NioSocketConnector} with a given {@link Executor} for handling<a name="line.83"></a>
<span class="sourceLineNo">084</span> * connection events and a given {@link IoProcessor} for handling I/O events, useful for sharing<a name="line.84"></a>
<span class="sourceLineNo">085</span> * the same processor and executor over multiple {@link IoService} of the same type.<a name="line.85"></a>
<span class="sourceLineNo">086</span> * @param executor the executor for connection<a name="line.86"></a>
<span class="sourceLineNo">087</span> * @param processor the processor for I/O operations<a name="line.87"></a>
<span class="sourceLineNo">088</span> */<a name="line.88"></a>
<span class="sourceLineNo">089</span> public NioSocketConnector(Executor executor, IoProcessor&lt;NioSession&gt; processor) {<a name="line.89"></a>
<span class="sourceLineNo">090</span> super(new DefaultSocketSessionConfig(), executor, processor);<a name="line.90"></a>
<span class="sourceLineNo">091</span> ((DefaultSocketSessionConfig) getSessionConfig()).init(this);<a name="line.91"></a>
<span class="sourceLineNo">092</span> }<a name="line.92"></a>
<span class="sourceLineNo">093</span><a name="line.93"></a>
<span class="sourceLineNo">094</span> /**<a name="line.94"></a>
<span class="sourceLineNo">095</span> * Constructor for {@link NioSocketConnector} with default configuration which will use a built-in<a name="line.95"></a>
<span class="sourceLineNo">096</span> * thread pool executor to manage the given number of processor instances. The processor class must have<a name="line.96"></a>
<span class="sourceLineNo">097</span> * a constructor that accepts ExecutorService or Executor as its single argument, or, failing that, a<a name="line.97"></a>
<span class="sourceLineNo">098</span> * no-arg constructor.<a name="line.98"></a>
<span class="sourceLineNo">099</span> * <a name="line.99"></a>
<span class="sourceLineNo">100</span> * @param processorClass the processor class.<a name="line.100"></a>
<span class="sourceLineNo">101</span> * @param processorCount the number of processors to instantiate.<a name="line.101"></a>
<span class="sourceLineNo">102</span> * @see SimpleIoProcessorPool#SimpleIoProcessorPool(Class, Executor, int, java.nio.channels.spi.SelectorProvider)<a name="line.102"></a>
<span class="sourceLineNo">103</span> * @since 2.0.0-M4<a name="line.103"></a>
<span class="sourceLineNo">104</span> */<a name="line.104"></a>
<span class="sourceLineNo">105</span> public NioSocketConnector(Class&lt;? extends IoProcessor&lt;NioSession&gt;&gt; processorClass, int processorCount) {<a name="line.105"></a>
<span class="sourceLineNo">106</span> super(new DefaultSocketSessionConfig(), processorClass, processorCount);<a name="line.106"></a>
<span class="sourceLineNo">107</span> }<a name="line.107"></a>
<span class="sourceLineNo">108</span><a name="line.108"></a>
<span class="sourceLineNo">109</span> /**<a name="line.109"></a>
<span class="sourceLineNo">110</span> * Constructor for {@link NioSocketConnector} with default configuration with default configuration which will use a built-in<a name="line.110"></a>
<span class="sourceLineNo">111</span> * thread pool executor to manage the default number of processor instances. The processor class must have<a name="line.111"></a>
<span class="sourceLineNo">112</span> * a constructor that accepts ExecutorService or Executor as its single argument, or, failing that, a<a name="line.112"></a>
<span class="sourceLineNo">113</span> * no-arg constructor. The default number of instances is equal to the number of processor cores<a name="line.113"></a>
<span class="sourceLineNo">114</span> * in the system, plus one.<a name="line.114"></a>
<span class="sourceLineNo">115</span> * <a name="line.115"></a>
<span class="sourceLineNo">116</span> * @param processorClass the processor class.<a name="line.116"></a>
<span class="sourceLineNo">117</span> * @see SimpleIoProcessorPool#SimpleIoProcessorPool(Class, Executor, int, java.nio.channels.spi.SelectorProvider)<a name="line.117"></a>
<span class="sourceLineNo">118</span> * @see org.apache.mina.core.service.SimpleIoProcessorPool#DEFAULT_SIZE<a name="line.118"></a>
<span class="sourceLineNo">119</span> * @since 2.0.0-M4<a name="line.119"></a>
<span class="sourceLineNo">120</span> */<a name="line.120"></a>
<span class="sourceLineNo">121</span> public NioSocketConnector(Class&lt;? extends IoProcessor&lt;NioSession&gt;&gt; processorClass) {<a name="line.121"></a>
<span class="sourceLineNo">122</span> super(new DefaultSocketSessionConfig(), processorClass);<a name="line.122"></a>
<span class="sourceLineNo">123</span> }<a name="line.123"></a>
<span class="sourceLineNo">124</span><a name="line.124"></a>
<span class="sourceLineNo">125</span> /**<a name="line.125"></a>
<span class="sourceLineNo">126</span> * {@inheritDoc}<a name="line.126"></a>
<span class="sourceLineNo">127</span> */<a name="line.127"></a>
<span class="sourceLineNo">128</span> @Override<a name="line.128"></a>
<span class="sourceLineNo">129</span> protected void init() throws Exception {<a name="line.129"></a>
<span class="sourceLineNo">130</span> this.selector = Selector.open();<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 void destroy() throws Exception {<a name="line.137"></a>
<span class="sourceLineNo">138</span> if (selector != null) {<a name="line.138"></a>
<span class="sourceLineNo">139</span> selector.close();<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><a name="line.142"></a>
<span class="sourceLineNo">143</span> /**<a name="line.143"></a>
<span class="sourceLineNo">144</span> * {@inheritDoc}<a name="line.144"></a>
<span class="sourceLineNo">145</span> */<a name="line.145"></a>
<span class="sourceLineNo">146</span> public TransportMetadata getTransportMetadata() {<a name="line.146"></a>
<span class="sourceLineNo">147</span> return NioSocketSession.METADATA;<a name="line.147"></a>
<span class="sourceLineNo">148</span> }<a name="line.148"></a>
<span class="sourceLineNo">149</span><a name="line.149"></a>
<span class="sourceLineNo">150</span> /**<a name="line.150"></a>
<span class="sourceLineNo">151</span> * {@inheritDoc}<a name="line.151"></a>
<span class="sourceLineNo">152</span> */<a name="line.152"></a>
<span class="sourceLineNo">153</span> public SocketSessionConfig getSessionConfig() {<a name="line.153"></a>
<span class="sourceLineNo">154</span> return (SocketSessionConfig) sessionConfig;<a name="line.154"></a>
<span class="sourceLineNo">155</span> }<a name="line.155"></a>
<span class="sourceLineNo">156</span><a name="line.156"></a>
<span class="sourceLineNo">157</span> /**<a name="line.157"></a>
<span class="sourceLineNo">158</span> * {@inheritDoc}<a name="line.158"></a>
<span class="sourceLineNo">159</span> */<a name="line.159"></a>
<span class="sourceLineNo">160</span> @Override<a name="line.160"></a>
<span class="sourceLineNo">161</span> public InetSocketAddress getDefaultRemoteAddress() {<a name="line.161"></a>
<span class="sourceLineNo">162</span> return (InetSocketAddress) super.getDefaultRemoteAddress();<a name="line.162"></a>
<span class="sourceLineNo">163</span> }<a name="line.163"></a>
<span class="sourceLineNo">164</span><a name="line.164"></a>
<span class="sourceLineNo">165</span> /**<a name="line.165"></a>
<span class="sourceLineNo">166</span> * {@inheritDoc}<a name="line.166"></a>
<span class="sourceLineNo">167</span> */<a name="line.167"></a>
<span class="sourceLineNo">168</span> public void setDefaultRemoteAddress(InetSocketAddress defaultRemoteAddress) {<a name="line.168"></a>
<span class="sourceLineNo">169</span> super.setDefaultRemoteAddress(defaultRemoteAddress);<a name="line.169"></a>
<span class="sourceLineNo">170</span> }<a name="line.170"></a>
<span class="sourceLineNo">171</span><a name="line.171"></a>
<span class="sourceLineNo">172</span> /**<a name="line.172"></a>
<span class="sourceLineNo">173</span> * {@inheritDoc}<a name="line.173"></a>
<span class="sourceLineNo">174</span> */<a name="line.174"></a>
<span class="sourceLineNo">175</span> @Override<a name="line.175"></a>
<span class="sourceLineNo">176</span> protected Iterator&lt;SocketChannel&gt; allHandles() {<a name="line.176"></a>
<span class="sourceLineNo">177</span> return new SocketChannelIterator(selector.keys());<a name="line.177"></a>
<span class="sourceLineNo">178</span> }<a name="line.178"></a>
<span class="sourceLineNo">179</span><a name="line.179"></a>
<span class="sourceLineNo">180</span> /**<a name="line.180"></a>
<span class="sourceLineNo">181</span> * {@inheritDoc}<a name="line.181"></a>
<span class="sourceLineNo">182</span> */<a name="line.182"></a>
<span class="sourceLineNo">183</span> @Override<a name="line.183"></a>
<span class="sourceLineNo">184</span> protected boolean connect(SocketChannel handle, SocketAddress remoteAddress) throws Exception {<a name="line.184"></a>
<span class="sourceLineNo">185</span> return handle.connect(remoteAddress);<a name="line.185"></a>
<span class="sourceLineNo">186</span> }<a name="line.186"></a>
<span class="sourceLineNo">187</span><a name="line.187"></a>
<span class="sourceLineNo">188</span> /**<a name="line.188"></a>
<span class="sourceLineNo">189</span> * {@inheritDoc}<a name="line.189"></a>
<span class="sourceLineNo">190</span> */<a name="line.190"></a>
<span class="sourceLineNo">191</span> @Override<a name="line.191"></a>
<span class="sourceLineNo">192</span> protected ConnectionRequest getConnectionRequest(SocketChannel handle) {<a name="line.192"></a>
<span class="sourceLineNo">193</span> SelectionKey key = handle.keyFor(selector);<a name="line.193"></a>
<span class="sourceLineNo">194</span><a name="line.194"></a>
<span class="sourceLineNo">195</span> if ((key == null) || (!key.isValid())) {<a name="line.195"></a>
<span class="sourceLineNo">196</span> return null;<a name="line.196"></a>
<span class="sourceLineNo">197</span> }<a name="line.197"></a>
<span class="sourceLineNo">198</span><a name="line.198"></a>
<span class="sourceLineNo">199</span> return (ConnectionRequest) key.attachment();<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 void close(SocketChannel handle) throws Exception {<a name="line.206"></a>
<span class="sourceLineNo">207</span> SelectionKey key = handle.keyFor(selector);<a name="line.207"></a>
<span class="sourceLineNo">208</span><a name="line.208"></a>
<span class="sourceLineNo">209</span> if (key != null) {<a name="line.209"></a>
<span class="sourceLineNo">210</span> key.cancel();<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> handle.close();<a name="line.213"></a>
<span class="sourceLineNo">214</span> }<a name="line.214"></a>
<span class="sourceLineNo">215</span><a name="line.215"></a>
<span class="sourceLineNo">216</span> /**<a name="line.216"></a>
<span class="sourceLineNo">217</span> * {@inheritDoc}<a name="line.217"></a>
<span class="sourceLineNo">218</span> */<a name="line.218"></a>
<span class="sourceLineNo">219</span> @Override<a name="line.219"></a>
<span class="sourceLineNo">220</span> protected boolean finishConnect(SocketChannel handle) throws Exception {<a name="line.220"></a>
<span class="sourceLineNo">221</span> if (handle.finishConnect()) {<a name="line.221"></a>
<span class="sourceLineNo">222</span> SelectionKey key = handle.keyFor(selector);<a name="line.222"></a>
<span class="sourceLineNo">223</span><a name="line.223"></a>
<span class="sourceLineNo">224</span> if (key != null) {<a name="line.224"></a>
<span class="sourceLineNo">225</span> key.cancel();<a name="line.225"></a>
<span class="sourceLineNo">226</span> }<a name="line.226"></a>
<span class="sourceLineNo">227</span><a name="line.227"></a>
<span class="sourceLineNo">228</span> return true;<a name="line.228"></a>
<span class="sourceLineNo">229</span> }<a name="line.229"></a>
<span class="sourceLineNo">230</span><a name="line.230"></a>
<span class="sourceLineNo">231</span> return false;<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 SocketChannel newHandle(SocketAddress localAddress) throws Exception {<a name="line.238"></a>
<span class="sourceLineNo">239</span> SocketChannel ch = SocketChannel.open();<a name="line.239"></a>
<span class="sourceLineNo">240</span><a name="line.240"></a>
<span class="sourceLineNo">241</span> int receiveBufferSize = (getSessionConfig()).getReceiveBufferSize();<a name="line.241"></a>
<span class="sourceLineNo">242</span><a name="line.242"></a>
<span class="sourceLineNo">243</span> if (receiveBufferSize &gt; 65535) {<a name="line.243"></a>
<span class="sourceLineNo">244</span> ch.socket().setReceiveBufferSize(receiveBufferSize);<a name="line.244"></a>
<span class="sourceLineNo">245</span> }<a name="line.245"></a>
<span class="sourceLineNo">246</span><a name="line.246"></a>
<span class="sourceLineNo">247</span> if (localAddress != null) {<a name="line.247"></a>
<span class="sourceLineNo">248</span> try {<a name="line.248"></a>
<span class="sourceLineNo">249</span> ch.socket().bind(localAddress);<a name="line.249"></a>
<span class="sourceLineNo">250</span> } catch (IOException ioe) {<a name="line.250"></a>
<span class="sourceLineNo">251</span> // Add some info regarding the address we try to bind to the<a name="line.251"></a>
<span class="sourceLineNo">252</span> // message<a name="line.252"></a>
<span class="sourceLineNo">253</span> String newMessage = "Error while binding on " + localAddress + "\n" + "original message : "<a name="line.253"></a>
<span class="sourceLineNo">254</span> + ioe.getMessage();<a name="line.254"></a>
<span class="sourceLineNo">255</span> Exception e = new IOException(newMessage);<a name="line.255"></a>
<span class="sourceLineNo">256</span> e.initCause(ioe.getCause());<a name="line.256"></a>
<span class="sourceLineNo">257</span><a name="line.257"></a>
<span class="sourceLineNo">258</span> // Preemptively close the channel<a name="line.258"></a>
<span class="sourceLineNo">259</span> ch.close();<a name="line.259"></a>
<span class="sourceLineNo">260</span> throw e;<a name="line.260"></a>
<span class="sourceLineNo">261</span> }<a name="line.261"></a>
<span class="sourceLineNo">262</span> }<a name="line.262"></a>
<span class="sourceLineNo">263</span><a name="line.263"></a>
<span class="sourceLineNo">264</span> ch.configureBlocking(false);<a name="line.264"></a>
<span class="sourceLineNo">265</span><a name="line.265"></a>
<span class="sourceLineNo">266</span> return ch;<a name="line.266"></a>
<span class="sourceLineNo">267</span> }<a name="line.267"></a>
<span class="sourceLineNo">268</span><a name="line.268"></a>
<span class="sourceLineNo">269</span> /**<a name="line.269"></a>
<span class="sourceLineNo">270</span> * {@inheritDoc}<a name="line.270"></a>
<span class="sourceLineNo">271</span> */<a name="line.271"></a>
<span class="sourceLineNo">272</span> @Override<a name="line.272"></a>
<span class="sourceLineNo">273</span> protected NioSession newSession(IoProcessor&lt;NioSession&gt; processor, SocketChannel handle) {<a name="line.273"></a>
<span class="sourceLineNo">274</span> return new NioSocketSession(this, processor, handle);<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> /**<a name="line.277"></a>
<span class="sourceLineNo">278</span> * {@inheritDoc}<a name="line.278"></a>
<span class="sourceLineNo">279</span> */<a name="line.279"></a>
<span class="sourceLineNo">280</span> @Override<a name="line.280"></a>
<span class="sourceLineNo">281</span> protected void register(SocketChannel handle, ConnectionRequest request) throws Exception {<a name="line.281"></a>
<span class="sourceLineNo">282</span> handle.register(selector, SelectionKey.OP_CONNECT, request);<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> * {@inheritDoc}<a name="line.286"></a>
<span class="sourceLineNo">287</span> */<a name="line.287"></a>
<span class="sourceLineNo">288</span> @Override<a name="line.288"></a>
<span class="sourceLineNo">289</span> protected int select(int timeout) throws Exception {<a name="line.289"></a>
<span class="sourceLineNo">290</span> return selector.select(timeout);<a name="line.290"></a>
<span class="sourceLineNo">291</span> }<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> * {@inheritDoc}<a name="line.294"></a>
<span class="sourceLineNo">295</span> */<a name="line.295"></a>
<span class="sourceLineNo">296</span> @Override<a name="line.296"></a>
<span class="sourceLineNo">297</span> protected Iterator&lt;SocketChannel&gt; selectedHandles() {<a name="line.297"></a>
<span class="sourceLineNo">298</span> return new SocketChannelIterator(selector.selectedKeys());<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> * {@inheritDoc}<a name="line.302"></a>
<span class="sourceLineNo">303</span> */<a name="line.303"></a>
<span class="sourceLineNo">304</span> @Override<a name="line.304"></a>
<span class="sourceLineNo">305</span> protected void wakeup() {<a name="line.305"></a>
<span class="sourceLineNo">306</span> selector.wakeup();<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 static class SocketChannelIterator implements Iterator&lt;SocketChannel&gt; {<a name="line.309"></a>
<span class="sourceLineNo">310</span><a name="line.310"></a>
<span class="sourceLineNo">311</span> private final Iterator&lt;SelectionKey&gt; i;<a name="line.311"></a>
<span class="sourceLineNo">312</span><a name="line.312"></a>
<span class="sourceLineNo">313</span> private SocketChannelIterator(Collection&lt;SelectionKey&gt; selectedKeys) {<a name="line.313"></a>
<span class="sourceLineNo">314</span> this.i = selectedKeys.iterator();<a name="line.314"></a>
<span class="sourceLineNo">315</span> }<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> * {@inheritDoc}<a name="line.318"></a>
<span class="sourceLineNo">319</span> */<a name="line.319"></a>
<span class="sourceLineNo">320</span> public boolean hasNext() {<a name="line.320"></a>
<span class="sourceLineNo">321</span> return i.hasNext();<a name="line.321"></a>
<span class="sourceLineNo">322</span> }<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> * {@inheritDoc}<a name="line.325"></a>
<span class="sourceLineNo">326</span> */<a name="line.326"></a>
<span class="sourceLineNo">327</span> public SocketChannel next() {<a name="line.327"></a>
<span class="sourceLineNo">328</span> SelectionKey key = i.next();<a name="line.328"></a>
<span class="sourceLineNo">329</span> return (SocketChannel) key.channel();<a name="line.329"></a>
<span class="sourceLineNo">330</span> }<a name="line.330"></a>
<span class="sourceLineNo">331</span><a name="line.331"></a>
<span class="sourceLineNo">332</span> /**<a name="line.332"></a>
<span class="sourceLineNo">333</span> * {@inheritDoc}<a name="line.333"></a>
<span class="sourceLineNo">334</span> */<a name="line.334"></a>
<span class="sourceLineNo">335</span> public void remove() {<a name="line.335"></a>
<span class="sourceLineNo">336</span> i.remove();<a name="line.336"></a>
<span class="sourceLineNo">337</span> }<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>
</pre>
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