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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.core.polling;<a name="line.20"></a> |
| <span class="sourceLineNo">021</span><a name="line.21"></a> |
| <span class="sourceLineNo">022</span>import java.net.ConnectException;<a name="line.22"></a> |
| <span class="sourceLineNo">023</span>import java.net.SocketAddress;<a name="line.23"></a> |
| <span class="sourceLineNo">024</span>import java.nio.channels.ClosedSelectorException;<a name="line.24"></a> |
| <span class="sourceLineNo">025</span>import java.util.Iterator;<a name="line.25"></a> |
| <span class="sourceLineNo">026</span>import java.util.Queue;<a name="line.26"></a> |
| <span class="sourceLineNo">027</span>import java.util.concurrent.ConcurrentLinkedQueue;<a name="line.27"></a> |
| <span class="sourceLineNo">028</span>import java.util.concurrent.Executor;<a name="line.28"></a> |
| <span class="sourceLineNo">029</span>import java.util.concurrent.Executors;<a name="line.29"></a> |
| <span class="sourceLineNo">030</span>import java.util.concurrent.atomic.AtomicReference;<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.RuntimeIoException;<a name="line.32"></a> |
| <span class="sourceLineNo">033</span>import org.apache.mina.core.filterchain.IoFilter;<a name="line.33"></a> |
| <span class="sourceLineNo">034</span>import org.apache.mina.core.future.ConnectFuture;<a name="line.34"></a> |
| <span class="sourceLineNo">035</span>import org.apache.mina.core.future.DefaultConnectFuture;<a name="line.35"></a> |
| <span class="sourceLineNo">036</span>import org.apache.mina.core.service.AbstractIoConnector;<a name="line.36"></a> |
| <span class="sourceLineNo">037</span>import org.apache.mina.core.service.AbstractIoService;<a name="line.37"></a> |
| <span class="sourceLineNo">038</span>import org.apache.mina.core.service.IoConnector;<a name="line.38"></a> |
| <span class="sourceLineNo">039</span>import org.apache.mina.core.service.IoHandler;<a name="line.39"></a> |
| <span class="sourceLineNo">040</span>import org.apache.mina.core.service.IoProcessor;<a name="line.40"></a> |
| <span class="sourceLineNo">041</span>import org.apache.mina.core.service.SimpleIoProcessorPool;<a name="line.41"></a> |
| <span class="sourceLineNo">042</span>import org.apache.mina.core.session.AbstractIoSession;<a name="line.42"></a> |
| <span class="sourceLineNo">043</span>import org.apache.mina.core.session.IoSession;<a name="line.43"></a> |
| <span class="sourceLineNo">044</span>import org.apache.mina.core.session.IoSessionConfig;<a name="line.44"></a> |
| <span class="sourceLineNo">045</span>import org.apache.mina.core.session.IoSessionInitializer;<a name="line.45"></a> |
| <span class="sourceLineNo">046</span>import org.apache.mina.transport.socket.nio.NioSocketConnector;<a name="line.46"></a> |
| <span class="sourceLineNo">047</span>import org.apache.mina.util.ExceptionMonitor;<a name="line.47"></a> |
| <span class="sourceLineNo">048</span><a name="line.48"></a> |
| <span class="sourceLineNo">049</span>/**<a name="line.49"></a> |
| <span class="sourceLineNo">050</span> * A base class for implementing client transport using a polling strategy. The<a name="line.50"></a> |
| <span class="sourceLineNo">051</span> * underlying sockets will be checked in an active loop and woke up when an<a name="line.51"></a> |
| <span class="sourceLineNo">052</span> * socket needed to be processed. This class handle the logic behind binding,<a name="line.52"></a> |
| <span class="sourceLineNo">053</span> * connecting and disposing the client sockets. A {@link Executor} will be used<a name="line.53"></a> |
| <span class="sourceLineNo">054</span> * for running client connection, and an {@link AbstractPollingIoProcessor} will<a name="line.54"></a> |
| <span class="sourceLineNo">055</span> * be used for processing connected client I/O operations like reading, writing<a name="line.55"></a> |
| <span class="sourceLineNo">056</span> * and closing.<a name="line.56"></a> |
| <span class="sourceLineNo">057</span> * <a name="line.57"></a> |
| <span class="sourceLineNo">058</span> * All the low level methods for binding, connecting, closing need to be<a name="line.58"></a> |
| <span class="sourceLineNo">059</span> * provided by the subclassing implementation.<a name="line.59"></a> |
| <span class="sourceLineNo">060</span> * <a name="line.60"></a> |
| <span class="sourceLineNo">061</span> * @see NioSocketConnector for a example of implementation<a name="line.61"></a> |
| <span class="sourceLineNo">062</span> * <a name="line.62"></a> |
| <span class="sourceLineNo">063</span> * @author <a href="http://mina.apache.org">Apache MINA Project</a><a name="line.63"></a> |
| <span class="sourceLineNo">064</span> */<a name="line.64"></a> |
| <span class="sourceLineNo">065</span>public abstract class AbstractPollingIoConnector<T extends AbstractIoSession, H> extends AbstractIoConnector {<a name="line.65"></a> |
| <span class="sourceLineNo">066</span><a name="line.66"></a> |
| <span class="sourceLineNo">067</span> private final Queue<ConnectionRequest> connectQueue = new ConcurrentLinkedQueue<ConnectionRequest>();<a name="line.67"></a> |
| <span class="sourceLineNo">068</span><a name="line.68"></a> |
| <span class="sourceLineNo">069</span> private final Queue<ConnectionRequest> cancelQueue = new ConcurrentLinkedQueue<ConnectionRequest>();<a name="line.69"></a> |
| <span class="sourceLineNo">070</span><a name="line.70"></a> |
| <span class="sourceLineNo">071</span> private final IoProcessor<T> processor;<a name="line.71"></a> |
| <span class="sourceLineNo">072</span><a name="line.72"></a> |
| <span class="sourceLineNo">073</span> private final boolean createdProcessor;<a name="line.73"></a> |
| <span class="sourceLineNo">074</span><a name="line.74"></a> |
| <span class="sourceLineNo">075</span> private final ServiceOperationFuture disposalFuture = new ServiceOperationFuture();<a name="line.75"></a> |
| <span class="sourceLineNo">076</span><a name="line.76"></a> |
| <span class="sourceLineNo">077</span> private volatile boolean selectable;<a name="line.77"></a> |
| <span class="sourceLineNo">078</span><a name="line.78"></a> |
| <span class="sourceLineNo">079</span> /** The connector thread */<a name="line.79"></a> |
| <span class="sourceLineNo">080</span> private final AtomicReference<Connector> connectorRef = new AtomicReference<Connector>();<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 AbstractPollingIoConnector}. You need to provide a<a name="line.83"></a> |
| <span class="sourceLineNo">084</span> * default session configuration, a class of {@link IoProcessor} which will<a name="line.84"></a> |
| <span class="sourceLineNo">085</span> * be instantiated in a {@link SimpleIoProcessorPool} for better scaling in<a name="line.85"></a> |
| <span class="sourceLineNo">086</span> * multiprocessor systems. The default pool size will be used.<a name="line.86"></a> |
| <span class="sourceLineNo">087</span> * <a name="line.87"></a> |
| <span class="sourceLineNo">088</span> * @see SimpleIoProcessorPool<a name="line.88"></a> |
| <span class="sourceLineNo">089</span> * <a name="line.89"></a> |
| <span class="sourceLineNo">090</span> * @param sessionConfig<a name="line.90"></a> |
| <span class="sourceLineNo">091</span> * the default configuration for the managed {@link IoSession}<a name="line.91"></a> |
| <span class="sourceLineNo">092</span> * @param processorClass<a name="line.92"></a> |
| <span class="sourceLineNo">093</span> * a {@link Class}Â of {@link IoProcessor} for the associated<a name="line.93"></a> |
| <span class="sourceLineNo">094</span> * {@link IoSession} type.<a name="line.94"></a> |
| <span class="sourceLineNo">095</span> */<a name="line.95"></a> |
| <span class="sourceLineNo">096</span> protected AbstractPollingIoConnector(IoSessionConfig sessionConfig, Class<? extends IoProcessor<T>> processorClass) {<a name="line.96"></a> |
| <span class="sourceLineNo">097</span> this(sessionConfig, null, new SimpleIoProcessorPool<T>(processorClass), true);<a name="line.97"></a> |
| <span class="sourceLineNo">098</span> }<a name="line.98"></a> |
| <span class="sourceLineNo">099</span><a name="line.99"></a> |
| <span class="sourceLineNo">100</span> /**<a name="line.100"></a> |
| <span class="sourceLineNo">101</span> * Constructor for {@link AbstractPollingIoConnector}. You need to provide a<a name="line.101"></a> |
| <span class="sourceLineNo">102</span> * default session configuration, a class of {@link IoProcessor} which will<a name="line.102"></a> |
| <span class="sourceLineNo">103</span> * be instantiated in a {@link SimpleIoProcessorPool} for using multiple<a name="line.103"></a> |
| <span class="sourceLineNo">104</span> * thread for better scaling in multiprocessor systems.<a name="line.104"></a> |
| <span class="sourceLineNo">105</span> * <a name="line.105"></a> |
| <span class="sourceLineNo">106</span> * @see SimpleIoProcessorPool<a name="line.106"></a> |
| <span class="sourceLineNo">107</span> * <a name="line.107"></a> |
| <span class="sourceLineNo">108</span> * @param sessionConfig<a name="line.108"></a> |
| <span class="sourceLineNo">109</span> * the default configuration for the managed {@link IoSession}<a name="line.109"></a> |
| <span class="sourceLineNo">110</span> * @param processorClass<a name="line.110"></a> |
| <span class="sourceLineNo">111</span> * a {@link Class}Â of {@link IoProcessor} for the associated<a name="line.111"></a> |
| <span class="sourceLineNo">112</span> * {@link IoSession} type.<a name="line.112"></a> |
| <span class="sourceLineNo">113</span> * @param processorCount<a name="line.113"></a> |
| <span class="sourceLineNo">114</span> * the amount of processor to instantiate for the pool<a name="line.114"></a> |
| <span class="sourceLineNo">115</span> */<a name="line.115"></a> |
| <span class="sourceLineNo">116</span> protected AbstractPollingIoConnector(IoSessionConfig sessionConfig, Class<? extends IoProcessor<T>> processorClass,<a name="line.116"></a> |
| <span class="sourceLineNo">117</span> int processorCount) {<a name="line.117"></a> |
| <span class="sourceLineNo">118</span> this(sessionConfig, null, new SimpleIoProcessorPool<T>(processorClass, processorCount), true);<a name="line.118"></a> |
| <span class="sourceLineNo">119</span> }<a name="line.119"></a> |
| <span class="sourceLineNo">120</span><a name="line.120"></a> |
| <span class="sourceLineNo">121</span> /**<a name="line.121"></a> |
| <span class="sourceLineNo">122</span> * Constructor for {@link AbstractPollingIoConnector}. You need to provide a<a name="line.122"></a> |
| <span class="sourceLineNo">123</span> * default session configuration, a default {@link Executor} will be created<a name="line.123"></a> |
| <span class="sourceLineNo">124</span> * using {@link Executors#newCachedThreadPool()}.<a name="line.124"></a> |
| <span class="sourceLineNo">125</span> * <a name="line.125"></a> |
| <span class="sourceLineNo">126</span> * @see AbstractIoService#AbstractIoService(IoSessionConfig, Executor)<a name="line.126"></a> |
| <span class="sourceLineNo">127</span> * <a name="line.127"></a> |
| <span class="sourceLineNo">128</span> * @param sessionConfig<a name="line.128"></a> |
| <span class="sourceLineNo">129</span> * the default configuration for the managed {@link IoSession}<a name="line.129"></a> |
| <span class="sourceLineNo">130</span> * @param processor<a name="line.130"></a> |
| <span class="sourceLineNo">131</span> * the {@link IoProcessor}Â for processing the {@link IoSession}<a name="line.131"></a> |
| <span class="sourceLineNo">132</span> * of this transport, triggering events to the bound<a name="line.132"></a> |
| <span class="sourceLineNo">133</span> * {@link IoHandler} and processing the chains of<a name="line.133"></a> |
| <span class="sourceLineNo">134</span> * {@link IoFilter}<a name="line.134"></a> |
| <span class="sourceLineNo">135</span> */<a name="line.135"></a> |
| <span class="sourceLineNo">136</span> protected AbstractPollingIoConnector(IoSessionConfig sessionConfig, IoProcessor<T> processor) {<a name="line.136"></a> |
| <span class="sourceLineNo">137</span> this(sessionConfig, null, processor, false);<a name="line.137"></a> |
| <span class="sourceLineNo">138</span> }<a name="line.138"></a> |
| <span class="sourceLineNo">139</span><a name="line.139"></a> |
| <span class="sourceLineNo">140</span> /**<a name="line.140"></a> |
| <span class="sourceLineNo">141</span> * Constructor for {@link AbstractPollingIoConnector}. You need to provide a<a name="line.141"></a> |
| <span class="sourceLineNo">142</span> * default session configuration and an {@link Executor} for handling I/O<a name="line.142"></a> |
| <span class="sourceLineNo">143</span> * events. If null {@link Executor} is provided, a default one will be<a name="line.143"></a> |
| <span class="sourceLineNo">144</span> * created using {@link Executors#newCachedThreadPool()}.<a name="line.144"></a> |
| <span class="sourceLineNo">145</span> * <a name="line.145"></a> |
| <span class="sourceLineNo">146</span> * @see AbstractIoService#AbstractIoService(IoSessionConfig, Executor)<a name="line.146"></a> |
| <span class="sourceLineNo">147</span> * <a name="line.147"></a> |
| <span class="sourceLineNo">148</span> * @param sessionConfig<a name="line.148"></a> |
| <span class="sourceLineNo">149</span> * the default configuration for the managed {@link IoSession}<a name="line.149"></a> |
| <span class="sourceLineNo">150</span> * @param executor<a name="line.150"></a> |
| <span class="sourceLineNo">151</span> * the {@link Executor} used for handling asynchronous execution<a name="line.151"></a> |
| <span class="sourceLineNo">152</span> * of I/O events. Can be <code>null</code>.<a name="line.152"></a> |
| <span class="sourceLineNo">153</span> * @param processor<a name="line.153"></a> |
| <span class="sourceLineNo">154</span> * the {@link IoProcessor}Â for processing the {@link IoSession}<a name="line.154"></a> |
| <span class="sourceLineNo">155</span> * of this transport, triggering events to the bound<a name="line.155"></a> |
| <span class="sourceLineNo">156</span> * {@link IoHandler} and processing the chains of<a name="line.156"></a> |
| <span class="sourceLineNo">157</span> * {@link IoFilter}<a name="line.157"></a> |
| <span class="sourceLineNo">158</span> */<a name="line.158"></a> |
| <span class="sourceLineNo">159</span> protected AbstractPollingIoConnector(IoSessionConfig sessionConfig, Executor executor, IoProcessor<T> processor) {<a name="line.159"></a> |
| <span class="sourceLineNo">160</span> this(sessionConfig, executor, processor, false);<a name="line.160"></a> |
| <span class="sourceLineNo">161</span> }<a name="line.161"></a> |
| <span class="sourceLineNo">162</span><a name="line.162"></a> |
| <span class="sourceLineNo">163</span> /**<a name="line.163"></a> |
| <span class="sourceLineNo">164</span> * Constructor for {@link AbstractPollingIoAcceptor}. You need to provide a<a name="line.164"></a> |
| <span class="sourceLineNo">165</span> * default session configuration and an {@link Executor} for handling I/O<a name="line.165"></a> |
| <span class="sourceLineNo">166</span> * events. If null {@link Executor} is provided, a default one will be<a name="line.166"></a> |
| <span class="sourceLineNo">167</span> * created using {@link Executors#newCachedThreadPool()}.<a name="line.167"></a> |
| <span class="sourceLineNo">168</span> * <a name="line.168"></a> |
| <span class="sourceLineNo">169</span> * @see AbstractIoService#AbstractIoService(IoSessionConfig, Executor)<a name="line.169"></a> |
| <span class="sourceLineNo">170</span> * <a name="line.170"></a> |
| <span class="sourceLineNo">171</span> * @param sessionConfig<a name="line.171"></a> |
| <span class="sourceLineNo">172</span> * the default configuration for the managed {@link IoSession}<a name="line.172"></a> |
| <span class="sourceLineNo">173</span> * @param executor<a name="line.173"></a> |
| <span class="sourceLineNo">174</span> * the {@link Executor} used for handling asynchronous execution<a name="line.174"></a> |
| <span class="sourceLineNo">175</span> * of I/O events. Can be <code>null</code>.<a name="line.175"></a> |
| <span class="sourceLineNo">176</span> * @param processor<a name="line.176"></a> |
| <span class="sourceLineNo">177</span> * the {@link IoProcessor}Â for processing the {@link IoSession}<a name="line.177"></a> |
| <span class="sourceLineNo">178</span> * of this transport, triggering events to the bound<a name="line.178"></a> |
| <span class="sourceLineNo">179</span> * {@link IoHandler} and processing the chains of<a name="line.179"></a> |
| <span class="sourceLineNo">180</span> * {@link IoFilter}<a name="line.180"></a> |
| <span class="sourceLineNo">181</span> * @param createdProcessor<a name="line.181"></a> |
| <span class="sourceLineNo">182</span> * tagging the processor as automatically created, so it will be<a name="line.182"></a> |
| <span class="sourceLineNo">183</span> * automatically disposed<a name="line.183"></a> |
| <span class="sourceLineNo">184</span> */<a name="line.184"></a> |
| <span class="sourceLineNo">185</span> private AbstractPollingIoConnector(IoSessionConfig sessionConfig, Executor executor, IoProcessor<T> processor,<a name="line.185"></a> |
| <span class="sourceLineNo">186</span> boolean createdProcessor) {<a name="line.186"></a> |
| <span class="sourceLineNo">187</span> super(sessionConfig, executor);<a name="line.187"></a> |
| <span class="sourceLineNo">188</span><a name="line.188"></a> |
| <span class="sourceLineNo">189</span> if (processor == null) {<a name="line.189"></a> |
| <span class="sourceLineNo">190</span> throw new IllegalArgumentException("processor");<a name="line.190"></a> |
| <span class="sourceLineNo">191</span> }<a name="line.191"></a> |
| <span class="sourceLineNo">192</span><a name="line.192"></a> |
| <span class="sourceLineNo">193</span> this.processor = processor;<a name="line.193"></a> |
| <span class="sourceLineNo">194</span> this.createdProcessor = createdProcessor;<a name="line.194"></a> |
| <span class="sourceLineNo">195</span><a name="line.195"></a> |
| <span class="sourceLineNo">196</span> try {<a name="line.196"></a> |
| <span class="sourceLineNo">197</span> init();<a name="line.197"></a> |
| <span class="sourceLineNo">198</span> selectable = true;<a name="line.198"></a> |
| <span class="sourceLineNo">199</span> } catch (RuntimeException e) {<a name="line.199"></a> |
| <span class="sourceLineNo">200</span> throw e;<a name="line.200"></a> |
| <span class="sourceLineNo">201</span> } catch (Exception e) {<a name="line.201"></a> |
| <span class="sourceLineNo">202</span> throw new RuntimeIoException("Failed to initialize.", e);<a name="line.202"></a> |
| <span class="sourceLineNo">203</span> } finally {<a name="line.203"></a> |
| <span class="sourceLineNo">204</span> if (!selectable) {<a name="line.204"></a> |
| <span class="sourceLineNo">205</span> try {<a name="line.205"></a> |
| <span class="sourceLineNo">206</span> destroy();<a name="line.206"></a> |
| <span class="sourceLineNo">207</span> } catch (Exception e) {<a name="line.207"></a> |
| <span class="sourceLineNo">208</span> ExceptionMonitor.getInstance().exceptionCaught(e);<a name="line.208"></a> |
| <span class="sourceLineNo">209</span> }<a name="line.209"></a> |
| <span class="sourceLineNo">210</span> }<a name="line.210"></a> |
| <span class="sourceLineNo">211</span> }<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> * Initialize the polling system, will be called at construction time.<a name="line.215"></a> |
| <span class="sourceLineNo">216</span> * <a name="line.216"></a> |
| <span class="sourceLineNo">217</span> * @throws Exception<a name="line.217"></a> |
| <span class="sourceLineNo">218</span> * any exception thrown by the underlying system calls<a name="line.218"></a> |
| <span class="sourceLineNo">219</span> */<a name="line.219"></a> |
| <span class="sourceLineNo">220</span> protected abstract void init() throws Exception;<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> * Destroy the polling system, will be called when this {@link IoConnector}<a name="line.223"></a> |
| <span class="sourceLineNo">224</span> * implementation will be disposed.<a name="line.224"></a> |
| <span class="sourceLineNo">225</span> * <a name="line.225"></a> |
| <span class="sourceLineNo">226</span> * @throws Exception<a name="line.226"></a> |
| <span class="sourceLineNo">227</span> * any exception thrown by the underlying systems calls<a name="line.227"></a> |
| <span class="sourceLineNo">228</span> */<a name="line.228"></a> |
| <span class="sourceLineNo">229</span> protected abstract void destroy() throws Exception;<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> * Create a new client socket handle from a local {@link SocketAddress}<a name="line.232"></a> |
| <span class="sourceLineNo">233</span> * <a name="line.233"></a> |
| <span class="sourceLineNo">234</span> * @param localAddress<a name="line.234"></a> |
| <span class="sourceLineNo">235</span> * the socket address for binding the new client socket<a name="line.235"></a> |
| <span class="sourceLineNo">236</span> * @return a new client socket handle<a name="line.236"></a> |
| <span class="sourceLineNo">237</span> * @throws Exception<a name="line.237"></a> |
| <span class="sourceLineNo">238</span> * any exception thrown by the underlying systems calls<a name="line.238"></a> |
| <span class="sourceLineNo">239</span> */<a name="line.239"></a> |
| <span class="sourceLineNo">240</span> protected abstract H newHandle(SocketAddress localAddress) throws Exception;<a name="line.240"></a> |
| <span class="sourceLineNo">241</span><a name="line.241"></a> |
| <span class="sourceLineNo">242</span> /**<a name="line.242"></a> |
| <span class="sourceLineNo">243</span> * Connect a newly created client socket handle to a remote<a name="line.243"></a> |
| <span class="sourceLineNo">244</span> * {@link SocketAddress}. This operation is non-blocking, so at end of the<a name="line.244"></a> |
| <span class="sourceLineNo">245</span> * call the socket can be still in connection process.<a name="line.245"></a> |
| <span class="sourceLineNo">246</span> * <a name="line.246"></a> |
| <span class="sourceLineNo">247</span> * @param handle the client socket handle<a name="line.247"></a> |
| <span class="sourceLineNo">248</span> * @param remoteAddress the remote address where to connect<a name="line.248"></a> |
| <span class="sourceLineNo">249</span> * @return <tt>true</tt> if a connection was established, <tt>false</tt> if<a name="line.249"></a> |
| <span class="sourceLineNo">250</span> * this client socket is in non-blocking mode and the connection<a name="line.250"></a> |
| <span class="sourceLineNo">251</span> * operation is in progress<a name="line.251"></a> |
| <span class="sourceLineNo">252</span> * @throws Exception If the connect failed<a name="line.252"></a> |
| <span class="sourceLineNo">253</span> */<a name="line.253"></a> |
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| <span class="sourceLineNo">255</span><a name="line.255"></a> |
| <span class="sourceLineNo">256</span> /**<a name="line.256"></a> |
| <span class="sourceLineNo">257</span> * Finish the connection process of a client socket after it was marked as<a name="line.257"></a> |
| <span class="sourceLineNo">258</span> * ready to process by the {@link #select(int)} call. The socket will be<a name="line.258"></a> |
| <span class="sourceLineNo">259</span> * connected or reported as connection failed.<a name="line.259"></a> |
| <span class="sourceLineNo">260</span> * <a name="line.260"></a> |
| <span class="sourceLineNo">261</span> * @param handle<a name="line.261"></a> |
| <span class="sourceLineNo">262</span> * the client socket handle to finish to connect<a name="line.262"></a> |
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| <span class="sourceLineNo">266</span> */<a name="line.266"></a> |
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| <span class="sourceLineNo">269</span> /**<a name="line.269"></a> |
| <span class="sourceLineNo">270</span> * Create a new {@link IoSession} from a connected socket client handle.<a name="line.270"></a> |
| <span class="sourceLineNo">271</span> * Will assign the created {@link IoSession} to the given<a name="line.271"></a> |
| <span class="sourceLineNo">272</span> * {@link IoProcessor} for managing future I/O events.<a name="line.272"></a> |
| <span class="sourceLineNo">273</span> * <a name="line.273"></a> |
| <span class="sourceLineNo">274</span> * @param processor<a name="line.274"></a> |
| <span class="sourceLineNo">275</span> * the processor in charge of this session<a name="line.275"></a> |
| <span class="sourceLineNo">276</span> * @param handle<a name="line.276"></a> |
| <span class="sourceLineNo">277</span> * the newly connected client socket handle<a name="line.277"></a> |
| <span class="sourceLineNo">278</span> * @return a new {@link IoSession}<a name="line.278"></a> |
| <span class="sourceLineNo">279</span> * @throws Exception<a name="line.279"></a> |
| <span class="sourceLineNo">280</span> * any exception thrown by the underlying systems calls<a name="line.280"></a> |
| <span class="sourceLineNo">281</span> */<a name="line.281"></a> |
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| <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> * Close a client socket.<a name="line.285"></a> |
| <span class="sourceLineNo">286</span> * <a name="line.286"></a> |
| <span class="sourceLineNo">287</span> * @param handle<a name="line.287"></a> |
| <span class="sourceLineNo">288</span> * the client socket<a name="line.288"></a> |
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| <span class="sourceLineNo">290</span> * any exception thrown by the underlying systems calls<a name="line.290"></a> |
| <span class="sourceLineNo">291</span> */<a name="line.291"></a> |
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| <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> * Interrupt the {@link #select(int)} method. Used when the poll set need to<a name="line.295"></a> |
| <span class="sourceLineNo">296</span> * be modified.<a name="line.296"></a> |
| <span class="sourceLineNo">297</span> */<a name="line.297"></a> |
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| <span class="sourceLineNo">300</span> /**<a name="line.300"></a> |
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| <span class="sourceLineNo">302</span> * processed (connected or failed to connect). All the client socket<a name="line.302"></a> |
| <span class="sourceLineNo">303</span> * descriptors processed need to be returned by {@link #selectedHandles()}<a name="line.303"></a> |
| <span class="sourceLineNo">304</span> * <a name="line.304"></a> |
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| <span class="sourceLineNo">306</span> * @return The number of socket having received some data<a name="line.306"></a> |
| <span class="sourceLineNo">307</span> * @throws Exception any exception thrown by the underlying systems calls<a name="line.307"></a> |
| <span class="sourceLineNo">308</span> */<a name="line.308"></a> |
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| <span class="sourceLineNo">311</span> /**<a name="line.311"></a> |
| <span class="sourceLineNo">312</span> * {@link Iterator} for the set of client sockets found connected or failed<a name="line.312"></a> |
| <span class="sourceLineNo">313</span> * to connect during the last {@link #select(int)} call.<a name="line.313"></a> |
| <span class="sourceLineNo">314</span> * <a name="line.314"></a> |
| <span class="sourceLineNo">315</span> * @return the list of client socket handles to process<a name="line.315"></a> |
| <span class="sourceLineNo">316</span> */<a name="line.316"></a> |
| <span class="sourceLineNo">317</span> protected abstract Iterator<H> selectedHandles();<a name="line.317"></a> |
| <span class="sourceLineNo">318</span><a name="line.318"></a> |
| <span class="sourceLineNo">319</span> /**<a name="line.319"></a> |
| <span class="sourceLineNo">320</span> * {@link Iterator} for all the client sockets polled for connection.<a name="line.320"></a> |
| <span class="sourceLineNo">321</span> * <a name="line.321"></a> |
| <span class="sourceLineNo">322</span> * @return the list of client sockets currently polled for connection<a name="line.322"></a> |
| <span class="sourceLineNo">323</span> */<a name="line.323"></a> |
| <span class="sourceLineNo">324</span> protected abstract Iterator<H> allHandles();<a name="line.324"></a> |
| <span class="sourceLineNo">325</span><a name="line.325"></a> |
| <span class="sourceLineNo">326</span> /**<a name="line.326"></a> |
| <span class="sourceLineNo">327</span> * Register a new client socket for connection, add it to connection polling<a name="line.327"></a> |
| <span class="sourceLineNo">328</span> * <a name="line.328"></a> |
| <span class="sourceLineNo">329</span> * @param handle<a name="line.329"></a> |
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| <span class="sourceLineNo">335</span> */<a name="line.335"></a> |
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| <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> * get the {@link ConnectionRequest} for a given client socket handle<a name="line.339"></a> |
| <span class="sourceLineNo">340</span> * <a name="line.340"></a> |
| <span class="sourceLineNo">341</span> * @param handle<a name="line.341"></a> |
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| <span class="sourceLineNo">343</span> * @return the connection request if the socket is connecting otherwise<a name="line.343"></a> |
| <span class="sourceLineNo">344</span> * <code>null</code><a name="line.344"></a> |
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| <span class="sourceLineNo">348</span> /**<a name="line.348"></a> |
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| <span class="sourceLineNo">351</span> @Override<a name="line.351"></a> |
| <span class="sourceLineNo">352</span> protected final void dispose0() throws Exception {<a name="line.352"></a> |
| <span class="sourceLineNo">353</span> startupWorker();<a name="line.353"></a> |
| <span class="sourceLineNo">354</span> wakeup();<a name="line.354"></a> |
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| <span class="sourceLineNo">356</span><a name="line.356"></a> |
| <span class="sourceLineNo">357</span> /**<a name="line.357"></a> |
| <span class="sourceLineNo">358</span> * {@inheritDoc}<a name="line.358"></a> |
| <span class="sourceLineNo">359</span> */<a name="line.359"></a> |
| <span class="sourceLineNo">360</span> @Override<a name="line.360"></a> |
| <span class="sourceLineNo">361</span> @SuppressWarnings("unchecked")<a name="line.361"></a> |
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| <span class="sourceLineNo">363</span> IoSessionInitializer<? extends ConnectFuture> sessionInitializer) {<a name="line.363"></a> |
| <span class="sourceLineNo">364</span> H handle = null;<a name="line.364"></a> |
| <span class="sourceLineNo">365</span> boolean success = false;<a name="line.365"></a> |
| <span class="sourceLineNo">366</span> try {<a name="line.366"></a> |
| <span class="sourceLineNo">367</span> handle = newHandle(localAddress);<a name="line.367"></a> |
| <span class="sourceLineNo">368</span> if (connect(handle, remoteAddress)) {<a name="line.368"></a> |
| <span class="sourceLineNo">369</span> ConnectFuture future = new DefaultConnectFuture();<a name="line.369"></a> |
| <span class="sourceLineNo">370</span> T session = newSession(processor, handle);<a name="line.370"></a> |
| <span class="sourceLineNo">371</span> initSession(session, future, sessionInitializer);<a name="line.371"></a> |
| <span class="sourceLineNo">372</span> // Forward the remaining process to the IoProcessor.<a name="line.372"></a> |
| <span class="sourceLineNo">373</span> session.getProcessor().add(session);<a name="line.373"></a> |
| <span class="sourceLineNo">374</span> success = true;<a name="line.374"></a> |
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| <span class="sourceLineNo">376</span> }<a name="line.376"></a> |
| <span class="sourceLineNo">377</span><a name="line.377"></a> |
| <span class="sourceLineNo">378</span> success = true;<a name="line.378"></a> |
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| <span class="sourceLineNo">383</span> try {<a name="line.383"></a> |
| <span class="sourceLineNo">384</span> close(handle);<a name="line.384"></a> |
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| <span class="sourceLineNo">386</span> ExceptionMonitor.getInstance().exceptionCaught(e);<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> }<a name="line.389"></a> |
| <span class="sourceLineNo">390</span><a name="line.390"></a> |
| <span class="sourceLineNo">391</span> ConnectionRequest request = new ConnectionRequest(handle, sessionInitializer);<a name="line.391"></a> |
| <span class="sourceLineNo">392</span> connectQueue.add(request);<a name="line.392"></a> |
| <span class="sourceLineNo">393</span> startupWorker();<a name="line.393"></a> |
| <span class="sourceLineNo">394</span> wakeup();<a name="line.394"></a> |
| <span class="sourceLineNo">395</span><a name="line.395"></a> |
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| <span class="sourceLineNo">398</span><a name="line.398"></a> |
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| <span class="sourceLineNo">400</span> if (!selectable) {<a name="line.400"></a> |
| <span class="sourceLineNo">401</span> connectQueue.clear();<a name="line.401"></a> |
| <span class="sourceLineNo">402</span> cancelQueue.clear();<a name="line.402"></a> |
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| <span class="sourceLineNo">404</span><a name="line.404"></a> |
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| <span class="sourceLineNo">409</span><a name="line.409"></a> |
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| <span class="sourceLineNo">413</span> }<a name="line.413"></a> |
| <span class="sourceLineNo">414</span> }<a name="line.414"></a> |
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| <span class="sourceLineNo">425</span> try {<a name="line.425"></a> |
| <span class="sourceLineNo">426</span> register(handle, req);<a name="line.426"></a> |
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| <span class="sourceLineNo">429</span> req.setException(e);<a name="line.429"></a> |
| <span class="sourceLineNo">430</span> try {<a name="line.430"></a> |
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| <span class="sourceLineNo">434</span> }<a name="line.434"></a> |
| <span class="sourceLineNo">435</span> }<a name="line.435"></a> |
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| <span class="sourceLineNo">438</span> }<a name="line.438"></a> |
| <span class="sourceLineNo">439</span><a name="line.439"></a> |
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| <span class="sourceLineNo">442</span><a name="line.442"></a> |
| <span class="sourceLineNo">443</span> for (;;) {<a name="line.443"></a> |
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| <span class="sourceLineNo">445</span><a name="line.445"></a> |
| <span class="sourceLineNo">446</span> if (req == null) {<a name="line.446"></a> |
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| <span class="sourceLineNo">449</span><a name="line.449"></a> |
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| <span class="sourceLineNo">451</span><a name="line.451"></a> |
| <span class="sourceLineNo">452</span> try {<a name="line.452"></a> |
| <span class="sourceLineNo">453</span> close(handle);<a name="line.453"></a> |
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| <span class="sourceLineNo">459</span> }<a name="line.459"></a> |
| <span class="sourceLineNo">460</span><a name="line.460"></a> |
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| <span class="sourceLineNo">471</span> */<a name="line.471"></a> |
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| <span class="sourceLineNo">474</span><a name="line.474"></a> |
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| <span class="sourceLineNo">476</span> while (handlers.hasNext()) {<a name="line.476"></a> |
| <span class="sourceLineNo">477</span> H handle = handlers.next();<a name="line.477"></a> |
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| <span class="sourceLineNo">479</span><a name="line.479"></a> |
| <span class="sourceLineNo">480</span> ConnectionRequest connectionRequest = getConnectionRequest(handle);<a name="line.480"></a> |
| <span class="sourceLineNo">481</span><a name="line.481"></a> |
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| <span class="sourceLineNo">484</span> }<a name="line.484"></a> |
| <span class="sourceLineNo">485</span><a name="line.485"></a> |
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| <span class="sourceLineNo">487</span> try {<a name="line.487"></a> |
| <span class="sourceLineNo">488</span> if (finishConnect(handle)) {<a name="line.488"></a> |
| <span class="sourceLineNo">489</span> T session = newSession(processor, handle);<a name="line.489"></a> |
| <span class="sourceLineNo">490</span> initSession(session, connectionRequest, connectionRequest.getSessionInitializer());<a name="line.490"></a> |
| <span class="sourceLineNo">491</span> // Forward the remaining process to the IoProcessor.<a name="line.491"></a> |
| <span class="sourceLineNo">492</span> session.getProcessor().add(session);<a name="line.492"></a> |
| <span class="sourceLineNo">493</span> nHandles++;<a name="line.493"></a> |
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| <span class="sourceLineNo">495</span> success = true;<a name="line.495"></a> |
| <span class="sourceLineNo">496</span> } catch (Exception e) {<a name="line.496"></a> |
| <span class="sourceLineNo">497</span> connectionRequest.setException(e);<a name="line.497"></a> |
| <span class="sourceLineNo">498</span> } finally {<a name="line.498"></a> |
| <span class="sourceLineNo">499</span> if (!success) {<a name="line.499"></a> |
| <span class="sourceLineNo">500</span> // The connection failed, we have to cancel it.<a name="line.500"></a> |
| <span class="sourceLineNo">501</span> cancelQueue.offer(connectionRequest);<a name="line.501"></a> |
| <span class="sourceLineNo">502</span> }<a name="line.502"></a> |
| <span class="sourceLineNo">503</span> }<a name="line.503"></a> |
| <span class="sourceLineNo">504</span> }<a name="line.504"></a> |
| <span class="sourceLineNo">505</span> return nHandles;<a name="line.505"></a> |
| <span class="sourceLineNo">506</span> }<a name="line.506"></a> |
| <span class="sourceLineNo">507</span><a name="line.507"></a> |
| <span class="sourceLineNo">508</span> private void processTimedOutSessions(Iterator<H> handles) {<a name="line.508"></a> |
| <span class="sourceLineNo">509</span> long currentTime = System.currentTimeMillis();<a name="line.509"></a> |
| <span class="sourceLineNo">510</span><a name="line.510"></a> |
| <span class="sourceLineNo">511</span> while (handles.hasNext()) {<a name="line.511"></a> |
| <span class="sourceLineNo">512</span> H handle = handles.next();<a name="line.512"></a> |
| <span class="sourceLineNo">513</span> ConnectionRequest connectionRequest = getConnectionRequest(handle);<a name="line.513"></a> |
| <span class="sourceLineNo">514</span><a name="line.514"></a> |
| <span class="sourceLineNo">515</span> if ((connectionRequest != null) && (currentTime >= connectionRequest.deadline)) {<a name="line.515"></a> |
| <span class="sourceLineNo">516</span> connectionRequest.setException(new ConnectException("Connection timed out."));<a name="line.516"></a> |
| <span class="sourceLineNo">517</span> cancelQueue.offer(connectionRequest);<a name="line.517"></a> |
| <span class="sourceLineNo">518</span> }<a name="line.518"></a> |
| <span class="sourceLineNo">519</span> }<a name="line.519"></a> |
| <span class="sourceLineNo">520</span> }<a name="line.520"></a> |
| <span class="sourceLineNo">521</span><a name="line.521"></a> |
| <span class="sourceLineNo">522</span> private class Connector implements Runnable {<a name="line.522"></a> |
| <span class="sourceLineNo">523</span><a name="line.523"></a> |
| <span class="sourceLineNo">524</span> public void run() {<a name="line.524"></a> |
| <span class="sourceLineNo">525</span> assert (connectorRef.get() == this);<a name="line.525"></a> |
| <span class="sourceLineNo">526</span><a name="line.526"></a> |
| <span class="sourceLineNo">527</span> int nHandles = 0;<a name="line.527"></a> |
| <span class="sourceLineNo">528</span><a name="line.528"></a> |
| <span class="sourceLineNo">529</span> while (selectable) {<a name="line.529"></a> |
| <span class="sourceLineNo">530</span> try {<a name="line.530"></a> |
| <span class="sourceLineNo">531</span> // the timeout for select shall be smaller of the connect<a name="line.531"></a> |
| <span class="sourceLineNo">532</span> // timeout or 1 second...<a name="line.532"></a> |
| <span class="sourceLineNo">533</span> int timeout = (int) Math.min(getConnectTimeoutMillis(), 1000L);<a name="line.533"></a> |
| <span class="sourceLineNo">534</span> int selected = select(timeout);<a name="line.534"></a> |
| <span class="sourceLineNo">535</span><a name="line.535"></a> |
| <span class="sourceLineNo">536</span> nHandles += registerNew();<a name="line.536"></a> |
| <span class="sourceLineNo">537</span><a name="line.537"></a> |
| <span class="sourceLineNo">538</span> // get a chance to get out of the connector loop, if we<a name="line.538"></a> |
| <span class="sourceLineNo">539</span> // don't have any more handles<a name="line.539"></a> |
| <span class="sourceLineNo">540</span> if (nHandles == 0) {<a name="line.540"></a> |
| <span class="sourceLineNo">541</span> connectorRef.set(null);<a name="line.541"></a> |
| <span class="sourceLineNo">542</span><a name="line.542"></a> |
| <span class="sourceLineNo">543</span> if (connectQueue.isEmpty()) {<a name="line.543"></a> |
| <span class="sourceLineNo">544</span> assert (connectorRef.get() != this);<a name="line.544"></a> |
| <span class="sourceLineNo">545</span> break;<a name="line.545"></a> |
| <span class="sourceLineNo">546</span> }<a name="line.546"></a> |
| <span class="sourceLineNo">547</span><a name="line.547"></a> |
| <span class="sourceLineNo">548</span> if (!connectorRef.compareAndSet(null, this)) {<a name="line.548"></a> |
| <span class="sourceLineNo">549</span> assert (connectorRef.get() != this);<a name="line.549"></a> |
| <span class="sourceLineNo">550</span> break;<a name="line.550"></a> |
| <span class="sourceLineNo">551</span> }<a name="line.551"></a> |
| <span class="sourceLineNo">552</span><a name="line.552"></a> |
| <span class="sourceLineNo">553</span> assert (connectorRef.get() == this);<a name="line.553"></a> |
| <span class="sourceLineNo">554</span> }<a name="line.554"></a> |
| <span class="sourceLineNo">555</span><a name="line.555"></a> |
| <span class="sourceLineNo">556</span> if (selected > 0) {<a name="line.556"></a> |
| <span class="sourceLineNo">557</span> nHandles -= processConnections(selectedHandles());<a name="line.557"></a> |
| <span class="sourceLineNo">558</span> }<a name="line.558"></a> |
| <span class="sourceLineNo">559</span><a name="line.559"></a> |
| <span class="sourceLineNo">560</span> processTimedOutSessions(allHandles());<a name="line.560"></a> |
| <span class="sourceLineNo">561</span><a name="line.561"></a> |
| <span class="sourceLineNo">562</span> nHandles -= cancelKeys();<a name="line.562"></a> |
| <span class="sourceLineNo">563</span> } catch (ClosedSelectorException cse) {<a name="line.563"></a> |
| <span class="sourceLineNo">564</span> // If the selector has been closed, we can exit the loop<a name="line.564"></a> |
| <span class="sourceLineNo">565</span> ExceptionMonitor.getInstance().exceptionCaught(cse);<a name="line.565"></a> |
| <span class="sourceLineNo">566</span> break;<a name="line.566"></a> |
| <span class="sourceLineNo">567</span> } catch (Exception e) {<a name="line.567"></a> |
| <span class="sourceLineNo">568</span> ExceptionMonitor.getInstance().exceptionCaught(e);<a name="line.568"></a> |
| <span class="sourceLineNo">569</span><a name="line.569"></a> |
| <span class="sourceLineNo">570</span> try {<a name="line.570"></a> |
| <span class="sourceLineNo">571</span> Thread.sleep(1000);<a name="line.571"></a> |
| <span class="sourceLineNo">572</span> } catch (InterruptedException e1) {<a name="line.572"></a> |
| <span class="sourceLineNo">573</span> ExceptionMonitor.getInstance().exceptionCaught(e1);<a name="line.573"></a> |
| <span class="sourceLineNo">574</span> }<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> if (selectable && isDisposing()) {<a name="line.578"></a> |
| <span class="sourceLineNo">579</span> selectable = false;<a name="line.579"></a> |
| <span class="sourceLineNo">580</span> try {<a name="line.580"></a> |
| <span class="sourceLineNo">581</span> if (createdProcessor) {<a name="line.581"></a> |
| <span class="sourceLineNo">582</span> processor.dispose();<a name="line.582"></a> |
| <span class="sourceLineNo">583</span> }<a name="line.583"></a> |
| <span class="sourceLineNo">584</span> } finally {<a name="line.584"></a> |
| <span class="sourceLineNo">585</span> try {<a name="line.585"></a> |
| <span class="sourceLineNo">586</span> synchronized (disposalLock) {<a name="line.586"></a> |
| <span class="sourceLineNo">587</span> if (isDisposing()) {<a name="line.587"></a> |
| <span class="sourceLineNo">588</span> destroy();<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> } catch (Exception e) {<a name="line.591"></a> |
| <span class="sourceLineNo">592</span> ExceptionMonitor.getInstance().exceptionCaught(e);<a name="line.592"></a> |
| <span class="sourceLineNo">593</span> } finally {<a name="line.593"></a> |
| <span class="sourceLineNo">594</span> disposalFuture.setDone();<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> }<a name="line.597"></a> |
| <span class="sourceLineNo">598</span> }<a name="line.598"></a> |
| <span class="sourceLineNo">599</span> }<a name="line.599"></a> |
| <span class="sourceLineNo">600</span><a name="line.600"></a> |
| <span class="sourceLineNo">601</span> public final class ConnectionRequest extends DefaultConnectFuture {<a name="line.601"></a> |
| <span class="sourceLineNo">602</span> /** The handle associated with this connection request */<a name="line.602"></a> |
| <span class="sourceLineNo">603</span> private final H handle;<a name="line.603"></a> |
| <span class="sourceLineNo">604</span><a name="line.604"></a> |
| <span class="sourceLineNo">605</span> /** The time up to this connection request will be valid */<a name="line.605"></a> |
| <span class="sourceLineNo">606</span> private final long deadline;<a name="line.606"></a> |
| <span class="sourceLineNo">607</span><a name="line.607"></a> |
| <span class="sourceLineNo">608</span> /** The callback to call when the session is initialized */<a name="line.608"></a> |
| <span class="sourceLineNo">609</span> private final IoSessionInitializer<? extends ConnectFuture> sessionInitializer;<a name="line.609"></a> |
| <span class="sourceLineNo">610</span><a name="line.610"></a> |
| <span class="sourceLineNo">611</span> public ConnectionRequest(H handle, IoSessionInitializer<? extends ConnectFuture> callback) {<a name="line.611"></a> |
| <span class="sourceLineNo">612</span> this.handle = handle;<a name="line.612"></a> |
| <span class="sourceLineNo">613</span> long timeout = getConnectTimeoutMillis();<a name="line.613"></a> |
| <span class="sourceLineNo">614</span><a name="line.614"></a> |
| <span class="sourceLineNo">615</span> if (timeout <= 0L) {<a name="line.615"></a> |
| <span class="sourceLineNo">616</span> this.deadline = Long.MAX_VALUE;<a name="line.616"></a> |
| <span class="sourceLineNo">617</span> } else {<a name="line.617"></a> |
| <span class="sourceLineNo">618</span> this.deadline = System.currentTimeMillis() + timeout;<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> this.sessionInitializer = callback;<a name="line.621"></a> |
| <span class="sourceLineNo">622</span> }<a name="line.622"></a> |
| <span class="sourceLineNo">623</span><a name="line.623"></a> |
| <span class="sourceLineNo">624</span> public H getHandle() {<a name="line.624"></a> |
| <span class="sourceLineNo">625</span> return handle;<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> public long getDeadline() {<a name="line.628"></a> |
| <span class="sourceLineNo">629</span> return deadline;<a name="line.629"></a> |
| <span class="sourceLineNo">630</span> }<a name="line.630"></a> |
| <span class="sourceLineNo">631</span><a name="line.631"></a> |
| <span class="sourceLineNo">632</span> public IoSessionInitializer<? extends ConnectFuture> getSessionInitializer() {<a name="line.632"></a> |
| <span class="sourceLineNo">633</span> return sessionInitializer;<a name="line.633"></a> |
| <span class="sourceLineNo">634</span> }<a name="line.634"></a> |
| <span class="sourceLineNo">635</span><a name="line.635"></a> |
| <span class="sourceLineNo">636</span> @Override<a name="line.636"></a> |
| <span class="sourceLineNo">637</span> public boolean cancel() {<a name="line.637"></a> |
| <span class="sourceLineNo">638</span> if (!isDone()) {<a name="line.638"></a> |
| <span class="sourceLineNo">639</span> boolean justCancelled = super.cancel();<a name="line.639"></a> |
| <span class="sourceLineNo">640</span><a name="line.640"></a> |
| <span class="sourceLineNo">641</span> // We haven't cancelled the request before, so add the future<a name="line.641"></a> |
| <span class="sourceLineNo">642</span> // in the cancel queue.<a name="line.642"></a> |
| <span class="sourceLineNo">643</span> if (justCancelled) {<a name="line.643"></a> |
| <span class="sourceLineNo">644</span> cancelQueue.add(this);<a name="line.644"></a> |
| <span class="sourceLineNo">645</span> startupWorker();<a name="line.645"></a> |
| <span class="sourceLineNo">646</span> wakeup();<a name="line.646"></a> |
| <span class="sourceLineNo">647</span> }<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> return true;<a name="line.650"></a> |
| <span class="sourceLineNo">651</span> }<a name="line.651"></a> |
| <span class="sourceLineNo">652</span> }<a name="line.652"></a> |
| <span class="sourceLineNo">653</span>}<a name="line.653"></a> |
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| </pre> |
| </div> |
| </body> |
| </html> |
