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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.filter.keepalive;<a name="line.20"></a> |
| <span class="sourceLineNo">021</span><a name="line.21"></a> |
| <span class="sourceLineNo">022</span>import org.apache.mina.core.filterchain.IoFilter;<a name="line.22"></a> |
| <span class="sourceLineNo">023</span>import org.apache.mina.core.filterchain.IoFilterAdapter;<a name="line.23"></a> |
| <span class="sourceLineNo">024</span>import org.apache.mina.core.filterchain.IoFilterChain;<a name="line.24"></a> |
| <span class="sourceLineNo">025</span>import org.apache.mina.core.service.IoHandler;<a name="line.25"></a> |
| <span class="sourceLineNo">026</span>import org.apache.mina.core.session.AttributeKey;<a name="line.26"></a> |
| <span class="sourceLineNo">027</span>import org.apache.mina.core.session.IdleStatus;<a name="line.27"></a> |
| <span class="sourceLineNo">028</span>import org.apache.mina.core.session.IoEventType;<a name="line.28"></a> |
| <span class="sourceLineNo">029</span>import org.apache.mina.core.session.IoSession;<a name="line.29"></a> |
| <span class="sourceLineNo">030</span>import org.apache.mina.core.session.IoSessionConfig;<a name="line.30"></a> |
| <span class="sourceLineNo">031</span>import org.apache.mina.core.write.DefaultWriteRequest;<a name="line.31"></a> |
| <span class="sourceLineNo">032</span>import org.apache.mina.core.write.WriteRequest;<a name="line.32"></a> |
| <span class="sourceLineNo">033</span><a name="line.33"></a> |
| <span class="sourceLineNo">034</span>/**<a name="line.34"></a> |
| <span class="sourceLineNo">035</span> * An {@link IoFilter} that sends a keep-alive request on<a name="line.35"></a> |
| <span class="sourceLineNo">036</span> * {@link IoEventType#SESSION_IDLE} and sends back the response for the<a name="line.36"></a> |
| <span class="sourceLineNo">037</span> * sent keep-alive request.<a name="line.37"></a> |
| <span class="sourceLineNo">038</span> *<a name="line.38"></a> |
| <span class="sourceLineNo">039</span> * <h2>Interference with {@link IoSessionConfig#setIdleTime(IdleStatus, int)}</h2><a name="line.39"></a> |
| <span class="sourceLineNo">040</span> *<a name="line.40"></a> |
| <span class="sourceLineNo">041</span> * This filter adjusts <tt>idleTime</tt> of the {@link IdleStatus}s that<a name="line.41"></a> |
| <span class="sourceLineNo">042</span> * this filter is interested in automatically (e.g. {@link IdleStatus#READER_IDLE}<a name="line.42"></a> |
| <span class="sourceLineNo">043</span> * and {@link IdleStatus#WRITER_IDLE}.) Changing the <tt>idleTime</tt><a name="line.43"></a> |
| <span class="sourceLineNo">044</span> * of the {@link IdleStatus}s can lead this filter to a unexpected behavior.<a name="line.44"></a> |
| <span class="sourceLineNo">045</span> * Please also note that any {@link IoFilter} and {@link IoHandler} behind<a name="line.45"></a> |
| <span class="sourceLineNo">046</span> * {@link KeepAliveFilter} will not get any {@link IoEventType#SESSION_IDLE}<a name="line.46"></a> |
| <span class="sourceLineNo">047</span> * event. To receive the internal {@link IoEventType#SESSION_IDLE} event,<a name="line.47"></a> |
| <span class="sourceLineNo">048</span> * you can call {@link #setForwardEvent(boolean)} with <tt>true</tt>.<a name="line.48"></a> |
| <span class="sourceLineNo">049</span> *<a name="line.49"></a> |
| <span class="sourceLineNo">050</span> * <h2>Implementing {@link KeepAliveMessageFactory}</h2><a name="line.50"></a> |
| <span class="sourceLineNo">051</span> *<a name="line.51"></a> |
| <span class="sourceLineNo">052</span> * To use this filter, you have to provide an implementation of<a name="line.52"></a> |
| <span class="sourceLineNo">053</span> * {@link KeepAliveMessageFactory}, which determines a received or sent<a name="line.53"></a> |
| <span class="sourceLineNo">054</span> * message is a keep-alive message or not and creates a new keep-alive<a name="line.54"></a> |
| <span class="sourceLineNo">055</span> * message:<a name="line.55"></a> |
| <span class="sourceLineNo">056</span> *<a name="line.56"></a> |
| <span class="sourceLineNo">057</span> * <table border="1" summary="Message"><a name="line.57"></a> |
| <span class="sourceLineNo">058</span> * <tr><a name="line.58"></a> |
| <span class="sourceLineNo">059</span> * <th>Name</th><th>Description</th><th>Implementation</th><a name="line.59"></a> |
| <span class="sourceLineNo">060</span> * </tr><a name="line.60"></a> |
| <span class="sourceLineNo">061</span> * <tr valign="top"><a name="line.61"></a> |
| <span class="sourceLineNo">062</span> * <td>Active</td><a name="line.62"></a> |
| <span class="sourceLineNo">063</span> * <td><a name="line.63"></a> |
| <span class="sourceLineNo">064</span> * You want a keep-alive request is sent when the reader is idle.<a name="line.64"></a> |
| <span class="sourceLineNo">065</span> * Once the request is sent, the response for the request should be<a name="line.65"></a> |
| <span class="sourceLineNo">066</span> * received within <tt>keepAliveRequestTimeout</tt> seconds. Otherwise,<a name="line.66"></a> |
| <span class="sourceLineNo">067</span> * the specified {@link KeepAliveRequestTimeoutHandler} will be invoked.<a name="line.67"></a> |
| <span class="sourceLineNo">068</span> * If a keep-alive request is received, its response also should be sent back.<a name="line.68"></a> |
| <span class="sourceLineNo">069</span> * </td><a name="line.69"></a> |
| <span class="sourceLineNo">070</span> * <td><a name="line.70"></a> |
| <span class="sourceLineNo">071</span> * Both {@link KeepAliveMessageFactory#getRequest(IoSession)} and<a name="line.71"></a> |
| <span class="sourceLineNo">072</span> * {@link KeepAliveMessageFactory#getResponse(IoSession, Object)} must<a name="line.72"></a> |
| <span class="sourceLineNo">073</span> * return a non-<tt>null</tt>.<a name="line.73"></a> |
| <span class="sourceLineNo">074</span> * </td><a name="line.74"></a> |
| <span class="sourceLineNo">075</span> * </tr><a name="line.75"></a> |
| <span class="sourceLineNo">076</span> * <tr valign="top"><a name="line.76"></a> |
| <span class="sourceLineNo">077</span> * <td>Semi-active</td><a name="line.77"></a> |
| <span class="sourceLineNo">078</span> * <td><a name="line.78"></a> |
| <span class="sourceLineNo">079</span> * You want a keep-alive request to be sent when the reader is idle.<a name="line.79"></a> |
| <span class="sourceLineNo">080</span> * However, you don't really care if the response is received or not.<a name="line.80"></a> |
| <span class="sourceLineNo">081</span> * If a keep-alive request is received, its response should<a name="line.81"></a> |
| <span class="sourceLineNo">082</span> * also be sent back.<a name="line.82"></a> |
| <span class="sourceLineNo">083</span> * </td><a name="line.83"></a> |
| <span class="sourceLineNo">084</span> * <td><a name="line.84"></a> |
| <span class="sourceLineNo">085</span> * Both {@link KeepAliveMessageFactory#getRequest(IoSession)} and<a name="line.85"></a> |
| <span class="sourceLineNo">086</span> * {@link KeepAliveMessageFactory#getResponse(IoSession, Object)} must<a name="line.86"></a> |
| <span class="sourceLineNo">087</span> * return a non-<tt>null</tt>, and the <tt>timeoutHandler</tt> property<a name="line.87"></a> |
| <span class="sourceLineNo">088</span> * should be set to {@link KeepAliveRequestTimeoutHandler#NOOP},<a name="line.88"></a> |
| <span class="sourceLineNo">089</span> * {@link KeepAliveRequestTimeoutHandler#LOG} or the custom {@link KeepAliveRequestTimeoutHandler}<a name="line.89"></a> |
| <span class="sourceLineNo">090</span> * implementation that doesn't affect the session state nor throw an exception.<a name="line.90"></a> |
| <span class="sourceLineNo">091</span> * </td><a name="line.91"></a> |
| <span class="sourceLineNo">092</span> * </tr><a name="line.92"></a> |
| <span class="sourceLineNo">093</span> * <tr valign="top"><a name="line.93"></a> |
| <span class="sourceLineNo">094</span> * <td>Passive</td><a name="line.94"></a> |
| <span class="sourceLineNo">095</span> * <td><a name="line.95"></a> |
| <span class="sourceLineNo">096</span> * You don't want to send a keep-alive request by yourself, but the<a name="line.96"></a> |
| <span class="sourceLineNo">097</span> * response should be sent back if a keep-alive request is received.<a name="line.97"></a> |
| <span class="sourceLineNo">098</span> * </td><a name="line.98"></a> |
| <span class="sourceLineNo">099</span> * <td><a name="line.99"></a> |
| <span class="sourceLineNo">100</span> * {@link KeepAliveMessageFactory#getRequest(IoSession)} must return<a name="line.100"></a> |
| <span class="sourceLineNo">101</span> * <tt>null</tt> and {@link KeepAliveMessageFactory#getResponse(IoSession, Object)}<a name="line.101"></a> |
| <span class="sourceLineNo">102</span> * must return a non-<tt>null</tt>.<a name="line.102"></a> |
| <span class="sourceLineNo">103</span> * </td><a name="line.103"></a> |
| <span class="sourceLineNo">104</span> * </tr><a name="line.104"></a> |
| <span class="sourceLineNo">105</span> * <tr valign="top"><a name="line.105"></a> |
| <span class="sourceLineNo">106</span> * <td>Deaf Speaker</td><a name="line.106"></a> |
| <span class="sourceLineNo">107</span> * <td><a name="line.107"></a> |
| <span class="sourceLineNo">108</span> * You want a keep-alive request to be sent when the reader is idle, but<a name="line.108"></a> |
| <span class="sourceLineNo">109</span> * you don't want to send any response back.<a name="line.109"></a> |
| <span class="sourceLineNo">110</span> * </td><a name="line.110"></a> |
| <span class="sourceLineNo">111</span> * <td><a name="line.111"></a> |
| <span class="sourceLineNo">112</span> * {@link KeepAliveMessageFactory#getRequest(IoSession)} must return<a name="line.112"></a> |
| <span class="sourceLineNo">113</span> * a non-<tt>null</tt>,<a name="line.113"></a> |
| <span class="sourceLineNo">114</span> * {@link KeepAliveMessageFactory#getResponse(IoSession, Object)} must<a name="line.114"></a> |
| <span class="sourceLineNo">115</span> * return <tt>null</tt> and the <tt>timeoutHandler</tt> must be set to<a name="line.115"></a> |
| <span class="sourceLineNo">116</span> * {@link KeepAliveRequestTimeoutHandler#DEAF_SPEAKER}.<a name="line.116"></a> |
| <span class="sourceLineNo">117</span> * </td><a name="line.117"></a> |
| <span class="sourceLineNo">118</span> * </tr><a name="line.118"></a> |
| <span class="sourceLineNo">119</span> * <tr valign="top"><a name="line.119"></a> |
| <span class="sourceLineNo">120</span> * <td>Silent Listener</td><a name="line.120"></a> |
| <span class="sourceLineNo">121</span> * <td><a name="line.121"></a> |
| <span class="sourceLineNo">122</span> * You don't want to send a keep-alive request by yourself nor send any<a name="line.122"></a> |
| <span class="sourceLineNo">123</span> * response back.<a name="line.123"></a> |
| <span class="sourceLineNo">124</span> * </td><a name="line.124"></a> |
| <span class="sourceLineNo">125</span> * <td><a name="line.125"></a> |
| <span class="sourceLineNo">126</span> * Both {@link KeepAliveMessageFactory#getRequest(IoSession)} and<a name="line.126"></a> |
| <span class="sourceLineNo">127</span> * {@link KeepAliveMessageFactory#getResponse(IoSession, Object)} must<a name="line.127"></a> |
| <span class="sourceLineNo">128</span> * return <tt>null</tt>.<a name="line.128"></a> |
| <span class="sourceLineNo">129</span> * </td><a name="line.129"></a> |
| <span class="sourceLineNo">130</span> * </tr><a name="line.130"></a> |
| <span class="sourceLineNo">131</span> * </table><a name="line.131"></a> |
| <span class="sourceLineNo">132</span> * <a name="line.132"></a> |
| <span class="sourceLineNo">133</span> * Please note that you must implement<a name="line.133"></a> |
| <span class="sourceLineNo">134</span> * {@link KeepAliveMessageFactory#isRequest(IoSession, Object)} and<a name="line.134"></a> |
| <span class="sourceLineNo">135</span> * {@link KeepAliveMessageFactory#isResponse(IoSession, Object)} properly<a name="line.135"></a> |
| <span class="sourceLineNo">136</span> * whatever case you chose.<a name="line.136"></a> |
| <span class="sourceLineNo">137</span> *<a name="line.137"></a> |
| <span class="sourceLineNo">138</span> * <h2>Handling timeout</h2><a name="line.138"></a> |
| <span class="sourceLineNo">139</span> *<a name="line.139"></a> |
| <span class="sourceLineNo">140</span> * {@link KeepAliveFilter} will notify its {@link KeepAliveRequestTimeoutHandler}<a name="line.140"></a> |
| <span class="sourceLineNo">141</span> * when {@link KeepAliveFilter} didn't receive the response message for a sent<a name="line.141"></a> |
| <span class="sourceLineNo">142</span> * keep-alive message. The default handler is {@link KeepAliveRequestTimeoutHandler#CLOSE},<a name="line.142"></a> |
| <span class="sourceLineNo">143</span> * but you can use other presets such as {@link KeepAliveRequestTimeoutHandler#NOOP},<a name="line.143"></a> |
| <span class="sourceLineNo">144</span> * {@link KeepAliveRequestTimeoutHandler#LOG} or {@link KeepAliveRequestTimeoutHandler#EXCEPTION}.<a name="line.144"></a> |
| <span class="sourceLineNo">145</span> * You can even implement your own handler.<a name="line.145"></a> |
| <span class="sourceLineNo">146</span> *<a name="line.146"></a> |
| <span class="sourceLineNo">147</span> * <h3>Special handler: {@link KeepAliveRequestTimeoutHandler#DEAF_SPEAKER}</h3><a name="line.147"></a> |
| <span class="sourceLineNo">148</span> *<a name="line.148"></a> |
| <span class="sourceLineNo">149</span> * {@link KeepAliveRequestTimeoutHandler#DEAF_SPEAKER} is a special handler which is<a name="line.149"></a> |
| <span class="sourceLineNo">150</span> * dedicated for the 'deaf speaker' mode mentioned above. Setting the<a name="line.150"></a> |
| <span class="sourceLineNo">151</span> * <tt>timeoutHandler</tt> property to {@link KeepAliveRequestTimeoutHandler#DEAF_SPEAKER}<a name="line.151"></a> |
| <span class="sourceLineNo">152</span> * stops this filter from waiting for response messages and therefore disables<a name="line.152"></a> |
| <span class="sourceLineNo">153</span> * response timeout detection.<a name="line.153"></a> |
| <span class="sourceLineNo">154</span> *<a name="line.154"></a> |
| <span class="sourceLineNo">155</span> * @author <a href="http://mina.apache.org">Apache MINA Project</a><a name="line.155"></a> |
| <span class="sourceLineNo">156</span> * @org.apache.xbean.XBean<a name="line.156"></a> |
| <span class="sourceLineNo">157</span> */<a name="line.157"></a> |
| <span class="sourceLineNo">158</span>public class KeepAliveFilter extends IoFilterAdapter {<a name="line.158"></a> |
| <span class="sourceLineNo">159</span><a name="line.159"></a> |
| <span class="sourceLineNo">160</span> private final AttributeKey WAITING_FOR_RESPONSE = new AttributeKey(getClass(), "waitingForResponse");<a name="line.160"></a> |
| <span class="sourceLineNo">161</span><a name="line.161"></a> |
| <span class="sourceLineNo">162</span> private final AttributeKey IGNORE_READER_IDLE_ONCE = new AttributeKey(getClass(), "ignoreReaderIdleOnce");<a name="line.162"></a> |
| <span class="sourceLineNo">163</span><a name="line.163"></a> |
| <span class="sourceLineNo">164</span> private final KeepAliveMessageFactory messageFactory;<a name="line.164"></a> |
| <span class="sourceLineNo">165</span><a name="line.165"></a> |
| <span class="sourceLineNo">166</span> private final IdleStatus interestedIdleStatus;<a name="line.166"></a> |
| <span class="sourceLineNo">167</span><a name="line.167"></a> |
| <span class="sourceLineNo">168</span> private volatile KeepAliveRequestTimeoutHandler requestTimeoutHandler;<a name="line.168"></a> |
| <span class="sourceLineNo">169</span><a name="line.169"></a> |
| <span class="sourceLineNo">170</span> private volatile int requestInterval;<a name="line.170"></a> |
| <span class="sourceLineNo">171</span><a name="line.171"></a> |
| <span class="sourceLineNo">172</span> private volatile int requestTimeout;<a name="line.172"></a> |
| <span class="sourceLineNo">173</span><a name="line.173"></a> |
| <span class="sourceLineNo">174</span> private volatile boolean forwardEvent;<a name="line.174"></a> |
| <span class="sourceLineNo">175</span><a name="line.175"></a> |
| <span class="sourceLineNo">176</span> /**<a name="line.176"></a> |
| <span class="sourceLineNo">177</span> * Creates a new instance with the default properties.<a name="line.177"></a> |
| <span class="sourceLineNo">178</span> * The default property values are:<a name="line.178"></a> |
| <span class="sourceLineNo">179</span> * <ul><a name="line.179"></a> |
| <span class="sourceLineNo">180</span> * <li><tt>interestedIdleStatus</tt> - {@link IdleStatus#READER_IDLE}</li><a name="line.180"></a> |
| <span class="sourceLineNo">181</span> * <li><tt>policy</tt> = {@link KeepAliveRequestTimeoutHandler#CLOSE}</li><a name="line.181"></a> |
| <span class="sourceLineNo">182</span> * <li><tt>keepAliveRequestInterval</tt> - 60 (seconds)</li><a name="line.182"></a> |
| <span class="sourceLineNo">183</span> * <li><tt>keepAliveRequestTimeout</tt> - 30 (seconds)</li><a name="line.183"></a> |
| <span class="sourceLineNo">184</span> * </ul><a name="line.184"></a> |
| <span class="sourceLineNo">185</span> * <a name="line.185"></a> |
| <span class="sourceLineNo">186</span> * @param messageFactory The message factory to use <a name="line.186"></a> |
| <span class="sourceLineNo">187</span> */<a name="line.187"></a> |
| <span class="sourceLineNo">188</span> public KeepAliveFilter(KeepAliveMessageFactory messageFactory) {<a name="line.188"></a> |
| <span class="sourceLineNo">189</span> this(messageFactory, IdleStatus.READER_IDLE, KeepAliveRequestTimeoutHandler.CLOSE);<a name="line.189"></a> |
| <span class="sourceLineNo">190</span> }<a name="line.190"></a> |
| <span class="sourceLineNo">191</span><a name="line.191"></a> |
| <span class="sourceLineNo">192</span> /**<a name="line.192"></a> |
| <span class="sourceLineNo">193</span> * Creates a new instance with the default properties.<a name="line.193"></a> |
| <span class="sourceLineNo">194</span> * The default property values are:<a name="line.194"></a> |
| <span class="sourceLineNo">195</span> * <ul><a name="line.195"></a> |
| <span class="sourceLineNo">196</span> * <li><tt>policy</tt> = {@link KeepAliveRequestTimeoutHandler#CLOSE}</li><a name="line.196"></a> |
| <span class="sourceLineNo">197</span> * <li><tt>keepAliveRequestInterval</tt> - 60 (seconds)</li><a name="line.197"></a> |
| <span class="sourceLineNo">198</span> * <li><tt>keepAliveRequestTimeout</tt> - 30 (seconds)</li><a name="line.198"></a> |
| <span class="sourceLineNo">199</span> * </ul><a name="line.199"></a> |
| <span class="sourceLineNo">200</span> * <a name="line.200"></a> |
| <span class="sourceLineNo">201</span> * @param messageFactory The message factory to use <a name="line.201"></a> |
| <span class="sourceLineNo">202</span> * @param interestedIdleStatus The IdleStatus the filter is interested in<a name="line.202"></a> |
| <span class="sourceLineNo">203</span> */<a name="line.203"></a> |
| <span class="sourceLineNo">204</span> public KeepAliveFilter(KeepAliveMessageFactory messageFactory, IdleStatus interestedIdleStatus) {<a name="line.204"></a> |
| <span class="sourceLineNo">205</span> this(messageFactory, interestedIdleStatus, KeepAliveRequestTimeoutHandler.CLOSE, 60, 30);<a name="line.205"></a> |
| <span class="sourceLineNo">206</span> }<a name="line.206"></a> |
| <span class="sourceLineNo">207</span><a name="line.207"></a> |
| <span class="sourceLineNo">208</span> /**<a name="line.208"></a> |
| <span class="sourceLineNo">209</span> * Creates a new instance with the default properties.<a name="line.209"></a> |
| <span class="sourceLineNo">210</span> * The default property values are:<a name="line.210"></a> |
| <span class="sourceLineNo">211</span> * <ul><a name="line.211"></a> |
| <span class="sourceLineNo">212</span> * <li><tt>interestedIdleStatus</tt> - {@link IdleStatus#READER_IDLE}</li><a name="line.212"></a> |
| <span class="sourceLineNo">213</span> * <li><tt>keepAliveRequestInterval</tt> - 60 (seconds)</li><a name="line.213"></a> |
| <span class="sourceLineNo">214</span> * <li><tt>keepAliveRequestTimeout</tt> - 30 (seconds)</li><a name="line.214"></a> |
| <span class="sourceLineNo">215</span> * </ul><a name="line.215"></a> |
| <span class="sourceLineNo">216</span> * <a name="line.216"></a> |
| <span class="sourceLineNo">217</span> * @param messageFactory The message factory to use <a name="line.217"></a> |
| <span class="sourceLineNo">218</span> * @param policy The TimeOut handler policy<a name="line.218"></a> |
| <span class="sourceLineNo">219</span> */<a name="line.219"></a> |
| <span class="sourceLineNo">220</span> public KeepAliveFilter(KeepAliveMessageFactory messageFactory, KeepAliveRequestTimeoutHandler policy) {<a name="line.220"></a> |
| <span class="sourceLineNo">221</span> this(messageFactory, IdleStatus.READER_IDLE, policy, 60, 30);<a name="line.221"></a> |
| <span class="sourceLineNo">222</span> }<a name="line.222"></a> |
| <span class="sourceLineNo">223</span><a name="line.223"></a> |
| <span class="sourceLineNo">224</span> /**<a name="line.224"></a> |
| <span class="sourceLineNo">225</span> * Creates a new instance with the default properties.<a name="line.225"></a> |
| <span class="sourceLineNo">226</span> * The default property values are:<a name="line.226"></a> |
| <span class="sourceLineNo">227</span> * <ul><a name="line.227"></a> |
| <span class="sourceLineNo">228</span> * <li><tt>keepAliveRequestInterval</tt> - 60 (seconds)</li><a name="line.228"></a> |
| <span class="sourceLineNo">229</span> * <li><tt>keepAliveRequestTimeout</tt> - 30 (seconds)</li><a name="line.229"></a> |
| <span class="sourceLineNo">230</span> * </ul><a name="line.230"></a> |
| <span class="sourceLineNo">231</span> * <a name="line.231"></a> |
| <span class="sourceLineNo">232</span> * @param messageFactory The message factory to use <a name="line.232"></a> |
| <span class="sourceLineNo">233</span> * @param interestedIdleStatus The IdleStatus the filter is interested in<a name="line.233"></a> |
| <span class="sourceLineNo">234</span> * @param policy The TimeOut handler policy<a name="line.234"></a> |
| <span class="sourceLineNo">235</span> */<a name="line.235"></a> |
| <span class="sourceLineNo">236</span> public KeepAliveFilter(KeepAliveMessageFactory messageFactory, IdleStatus interestedIdleStatus,<a name="line.236"></a> |
| <span class="sourceLineNo">237</span> KeepAliveRequestTimeoutHandler policy) {<a name="line.237"></a> |
| <span class="sourceLineNo">238</span> this(messageFactory, interestedIdleStatus, policy, 60, 30);<a name="line.238"></a> |
| <span class="sourceLineNo">239</span> }<a name="line.239"></a> |
| <span class="sourceLineNo">240</span><a name="line.240"></a> |
| <span class="sourceLineNo">241</span> /**<a name="line.241"></a> |
| <span class="sourceLineNo">242</span> * Creates a new instance.<a name="line.242"></a> |
| <span class="sourceLineNo">243</span> * <a name="line.243"></a> |
| <span class="sourceLineNo">244</span> * @param messageFactory The message factory to use <a name="line.244"></a> |
| <span class="sourceLineNo">245</span> * @param interestedIdleStatus The IdleStatus the filter is interested in<a name="line.245"></a> |
| <span class="sourceLineNo">246</span> * @param policy The TimeOut handler policy<a name="line.246"></a> |
| <span class="sourceLineNo">247</span> * @param keepAliveRequestInterval the interval to use<a name="line.247"></a> |
| <span class="sourceLineNo">248</span> * @param keepAliveRequestTimeout The timeout to use<a name="line.248"></a> |
| <span class="sourceLineNo">249</span> */<a name="line.249"></a> |
| <span class="sourceLineNo">250</span> public KeepAliveFilter(KeepAliveMessageFactory messageFactory, IdleStatus interestedIdleStatus,<a name="line.250"></a> |
| <span class="sourceLineNo">251</span> KeepAliveRequestTimeoutHandler policy, int keepAliveRequestInterval, int keepAliveRequestTimeout) {<a name="line.251"></a> |
| <span class="sourceLineNo">252</span> if (messageFactory == null) {<a name="line.252"></a> |
| <span class="sourceLineNo">253</span> throw new IllegalArgumentException("messageFactory");<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> if (interestedIdleStatus == null) {<a name="line.256"></a> |
| <span class="sourceLineNo">257</span> throw new IllegalArgumentException("interestedIdleStatus");<a name="line.257"></a> |
| <span class="sourceLineNo">258</span> }<a name="line.258"></a> |
| <span class="sourceLineNo">259</span> <a name="line.259"></a> |
| <span class="sourceLineNo">260</span> if (policy == null) {<a name="line.260"></a> |
| <span class="sourceLineNo">261</span> throw new IllegalArgumentException("policy");<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> this.messageFactory = messageFactory;<a name="line.264"></a> |
| <span class="sourceLineNo">265</span> this.interestedIdleStatus = interestedIdleStatus;<a name="line.265"></a> |
| <span class="sourceLineNo">266</span> requestTimeoutHandler = policy;<a name="line.266"></a> |
| <span class="sourceLineNo">267</span><a name="line.267"></a> |
| <span class="sourceLineNo">268</span> setRequestInterval(keepAliveRequestInterval);<a name="line.268"></a> |
| <span class="sourceLineNo">269</span> setRequestTimeout(keepAliveRequestTimeout);<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> /**<a name="line.272"></a> |
| <span class="sourceLineNo">273</span> * @return The {@link IdleStatus} <a name="line.273"></a> |
| <span class="sourceLineNo">274</span> */<a name="line.274"></a> |
| <span class="sourceLineNo">275</span> public IdleStatus getInterestedIdleStatus() {<a name="line.275"></a> |
| <span class="sourceLineNo">276</span> return interestedIdleStatus;<a name="line.276"></a> |
| <span class="sourceLineNo">277</span> }<a name="line.277"></a> |
| <span class="sourceLineNo">278</span><a name="line.278"></a> |
| <span class="sourceLineNo">279</span> /**<a name="line.279"></a> |
| <span class="sourceLineNo">280</span> * @return The timeout request handler<a name="line.280"></a> |
| <span class="sourceLineNo">281</span> */<a name="line.281"></a> |
| <span class="sourceLineNo">282</span> public KeepAliveRequestTimeoutHandler getRequestTimeoutHandler() {<a name="line.282"></a> |
| <span class="sourceLineNo">283</span> return requestTimeoutHandler;<a name="line.283"></a> |
| <span class="sourceLineNo">284</span> }<a name="line.284"></a> |
| <span class="sourceLineNo">285</span><a name="line.285"></a> |
| <span class="sourceLineNo">286</span> /**<a name="line.286"></a> |
| <span class="sourceLineNo">287</span> * Set the timeout handler<a name="line.287"></a> |
| <span class="sourceLineNo">288</span> * <a name="line.288"></a> |
| <span class="sourceLineNo">289</span> * @param timeoutHandler The instance of {@link KeepAliveRequestTimeoutHandler} to use<a name="line.289"></a> |
| <span class="sourceLineNo">290</span> */<a name="line.290"></a> |
| <span class="sourceLineNo">291</span> public void setRequestTimeoutHandler(KeepAliveRequestTimeoutHandler timeoutHandler) {<a name="line.291"></a> |
| <span class="sourceLineNo">292</span> if (timeoutHandler == null) {<a name="line.292"></a> |
| <span class="sourceLineNo">293</span> throw new IllegalArgumentException("timeoutHandler");<a name="line.293"></a> |
| <span class="sourceLineNo">294</span> }<a name="line.294"></a> |
| <span class="sourceLineNo">295</span> requestTimeoutHandler = timeoutHandler;<a name="line.295"></a> |
| <span class="sourceLineNo">296</span> }<a name="line.296"></a> |
| <span class="sourceLineNo">297</span><a name="line.297"></a> |
| <span class="sourceLineNo">298</span> /**<a name="line.298"></a> |
| <span class="sourceLineNo">299</span> * @return the interval for keep alive messages<a name="line.299"></a> |
| <span class="sourceLineNo">300</span> */<a name="line.300"></a> |
| <span class="sourceLineNo">301</span> public int getRequestInterval() {<a name="line.301"></a> |
| <span class="sourceLineNo">302</span> return requestInterval;<a name="line.302"></a> |
| <span class="sourceLineNo">303</span> }<a name="line.303"></a> |
| <span class="sourceLineNo">304</span><a name="line.304"></a> |
| <span class="sourceLineNo">305</span> /**<a name="line.305"></a> |
| <span class="sourceLineNo">306</span> * Sets the interval for keepAlive messages<a name="line.306"></a> |
| <span class="sourceLineNo">307</span> * <a name="line.307"></a> |
| <span class="sourceLineNo">308</span> * @param keepAliveRequestInterval the interval to set<a name="line.308"></a> |
| <span class="sourceLineNo">309</span> */<a name="line.309"></a> |
| <span class="sourceLineNo">310</span> public void setRequestInterval(int keepAliveRequestInterval) {<a name="line.310"></a> |
| <span class="sourceLineNo">311</span> if (keepAliveRequestInterval <= 0) {<a name="line.311"></a> |
| <span class="sourceLineNo">312</span> throw new IllegalArgumentException("keepAliveRequestInterval must be a positive integer: "<a name="line.312"></a> |
| <span class="sourceLineNo">313</span> + keepAliveRequestInterval);<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> requestInterval = keepAliveRequestInterval;<a name="line.316"></a> |
| <span class="sourceLineNo">317</span> }<a name="line.317"></a> |
| <span class="sourceLineNo">318</span><a name="line.318"></a> |
| <span class="sourceLineNo">319</span> /**<a name="line.319"></a> |
| <span class="sourceLineNo">320</span> * @return The timeout<a name="line.320"></a> |
| <span class="sourceLineNo">321</span> */<a name="line.321"></a> |
| <span class="sourceLineNo">322</span> public int getRequestTimeout() {<a name="line.322"></a> |
| <span class="sourceLineNo">323</span> return requestTimeout;<a name="line.323"></a> |
| <span class="sourceLineNo">324</span> }<a name="line.324"></a> |
| <span class="sourceLineNo">325</span><a name="line.325"></a> |
| <span class="sourceLineNo">326</span> /**<a name="line.326"></a> |
| <span class="sourceLineNo">327</span> * Sets the timeout<a name="line.327"></a> |
| <span class="sourceLineNo">328</span> * <a name="line.328"></a> |
| <span class="sourceLineNo">329</span> * @param keepAliveRequestTimeout The timeout to set<a name="line.329"></a> |
| <span class="sourceLineNo">330</span> */<a name="line.330"></a> |
| <span class="sourceLineNo">331</span> public void setRequestTimeout(int keepAliveRequestTimeout) {<a name="line.331"></a> |
| <span class="sourceLineNo">332</span> if (keepAliveRequestTimeout <= 0) {<a name="line.332"></a> |
| <span class="sourceLineNo">333</span> throw new IllegalArgumentException("keepAliveRequestTimeout must be a positive integer: "<a name="line.333"></a> |
| <span class="sourceLineNo">334</span> + keepAliveRequestTimeout);<a name="line.334"></a> |
| <span class="sourceLineNo">335</span> }<a name="line.335"></a> |
| <span class="sourceLineNo">336</span> <a name="line.336"></a> |
| <span class="sourceLineNo">337</span> requestTimeout = keepAliveRequestTimeout;<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> /**<a name="line.340"></a> |
| <span class="sourceLineNo">341</span> * @return The message factory<a name="line.341"></a> |
| <span class="sourceLineNo">342</span> */<a name="line.342"></a> |
| <span class="sourceLineNo">343</span> public KeepAliveMessageFactory getMessageFactory() {<a name="line.343"></a> |
| <span class="sourceLineNo">344</span> return messageFactory;<a name="line.344"></a> |
| <span class="sourceLineNo">345</span> }<a name="line.345"></a> |
| <span class="sourceLineNo">346</span><a name="line.346"></a> |
| <span class="sourceLineNo">347</span> /**<a name="line.347"></a> |
| <span class="sourceLineNo">348</span> * @return <tt>true</tt> if and only if this filter forwards<a name="line.348"></a> |
| <span class="sourceLineNo">349</span> * a {@link IoEventType#SESSION_IDLE} event to the next filter.<a name="line.349"></a> |
| <span class="sourceLineNo">350</span> * By default, the value of this property is <tt>false</tt>.<a name="line.350"></a> |
| <span class="sourceLineNo">351</span> */<a name="line.351"></a> |
| <span class="sourceLineNo">352</span> public boolean isForwardEvent() {<a name="line.352"></a> |
| <span class="sourceLineNo">353</span> return forwardEvent;<a name="line.353"></a> |
| <span class="sourceLineNo">354</span> }<a name="line.354"></a> |
| <span class="sourceLineNo">355</span><a name="line.355"></a> |
| <span class="sourceLineNo">356</span> /**<a name="line.356"></a> |
| <span class="sourceLineNo">357</span> * Sets if this filter needs to forward a<a name="line.357"></a> |
| <span class="sourceLineNo">358</span> * {@link IoEventType#SESSION_IDLE} event to the next filter.<a name="line.358"></a> |
| <span class="sourceLineNo">359</span> * By default, the value of this property is <tt>false</tt>.<a name="line.359"></a> |
| <span class="sourceLineNo">360</span> * <a name="line.360"></a> |
| <span class="sourceLineNo">361</span> * @param forwardEvent a flag set to tell if the filter has to forward a {@link IoEventType#SESSION_IDLE} event<a name="line.361"></a> |
| <span class="sourceLineNo">362</span> */<a name="line.362"></a> |
| <span class="sourceLineNo">363</span> public void setForwardEvent(boolean forwardEvent) {<a name="line.363"></a> |
| <span class="sourceLineNo">364</span> this.forwardEvent = forwardEvent;<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> /**<a name="line.367"></a> |
| <span class="sourceLineNo">368</span> * {@inheritDoc}<a name="line.368"></a> |
| <span class="sourceLineNo">369</span> */<a name="line.369"></a> |
| <span class="sourceLineNo">370</span> @Override<a name="line.370"></a> |
| <span class="sourceLineNo">371</span> public void onPreAdd(IoFilterChain parent, String name, NextFilter nextFilter) throws Exception {<a name="line.371"></a> |
| <span class="sourceLineNo">372</span> if (parent.contains(this)) {<a name="line.372"></a> |
| <span class="sourceLineNo">373</span> throw new IllegalArgumentException("You can't add the same filter instance more than once. "<a name="line.373"></a> |
| <span class="sourceLineNo">374</span> + "Create another instance and add it.");<a name="line.374"></a> |
| <span class="sourceLineNo">375</span> }<a name="line.375"></a> |
| <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> /**<a name="line.378"></a> |
| <span class="sourceLineNo">379</span> * {@inheritDoc}<a name="line.379"></a> |
| <span class="sourceLineNo">380</span> */<a name="line.380"></a> |
| <span class="sourceLineNo">381</span> @Override<a name="line.381"></a> |
| <span class="sourceLineNo">382</span> public void onPostAdd(IoFilterChain parent, String name, NextFilter nextFilter) throws Exception {<a name="line.382"></a> |
| <span class="sourceLineNo">383</span> resetStatus(parent.getSession());<a name="line.383"></a> |
| <span class="sourceLineNo">384</span> }<a name="line.384"></a> |
| <span class="sourceLineNo">385</span><a name="line.385"></a> |
| <span class="sourceLineNo">386</span> /**<a name="line.386"></a> |
| <span class="sourceLineNo">387</span> * {@inheritDoc}<a name="line.387"></a> |
| <span class="sourceLineNo">388</span> */<a name="line.388"></a> |
| <span class="sourceLineNo">389</span> @Override<a name="line.389"></a> |
| <span class="sourceLineNo">390</span> public void onPostRemove(IoFilterChain parent, String name, NextFilter nextFilter) throws Exception {<a name="line.390"></a> |
| <span class="sourceLineNo">391</span> resetStatus(parent.getSession());<a name="line.391"></a> |
| <span class="sourceLineNo">392</span> }<a name="line.392"></a> |
| <span class="sourceLineNo">393</span><a name="line.393"></a> |
| <span class="sourceLineNo">394</span> /**<a name="line.394"></a> |
| <span class="sourceLineNo">395</span> * {@inheritDoc}<a name="line.395"></a> |
| <span class="sourceLineNo">396</span> */<a name="line.396"></a> |
| <span class="sourceLineNo">397</span> @Override<a name="line.397"></a> |
| <span class="sourceLineNo">398</span> public void messageReceived(NextFilter nextFilter, IoSession session, Object message) throws Exception {<a name="line.398"></a> |
| <span class="sourceLineNo">399</span> try {<a name="line.399"></a> |
| <span class="sourceLineNo">400</span> if (messageFactory.isRequest(session, message)) {<a name="line.400"></a> |
| <span class="sourceLineNo">401</span> Object pongMessage = messageFactory.getResponse(session, message);<a name="line.401"></a> |
| <span class="sourceLineNo">402</span><a name="line.402"></a> |
| <span class="sourceLineNo">403</span> if (pongMessage != null) {<a name="line.403"></a> |
| <span class="sourceLineNo">404</span> nextFilter.filterWrite(session, new DefaultWriteRequest(pongMessage));<a name="line.404"></a> |
| <span class="sourceLineNo">405</span> }<a name="line.405"></a> |
| <span class="sourceLineNo">406</span> }<a name="line.406"></a> |
| <span class="sourceLineNo">407</span><a name="line.407"></a> |
| <span class="sourceLineNo">408</span> if (messageFactory.isResponse(session, message)) {<a name="line.408"></a> |
| <span class="sourceLineNo">409</span> resetStatus(session);<a name="line.409"></a> |
| <span class="sourceLineNo">410</span> }<a name="line.410"></a> |
| <span class="sourceLineNo">411</span> } finally {<a name="line.411"></a> |
| <span class="sourceLineNo">412</span> if (!isKeepAliveMessage(session, message)) {<a name="line.412"></a> |
| <span class="sourceLineNo">413</span> nextFilter.messageReceived(session, message);<a name="line.413"></a> |
| <span class="sourceLineNo">414</span> }<a name="line.414"></a> |
| <span class="sourceLineNo">415</span> }<a name="line.415"></a> |
| <span class="sourceLineNo">416</span> }<a name="line.416"></a> |
| <span class="sourceLineNo">417</span><a name="line.417"></a> |
| <span class="sourceLineNo">418</span> /**<a name="line.418"></a> |
| <span class="sourceLineNo">419</span> * {@inheritDoc}<a name="line.419"></a> |
| <span class="sourceLineNo">420</span> */<a name="line.420"></a> |
| <span class="sourceLineNo">421</span> @Override<a name="line.421"></a> |
| <span class="sourceLineNo">422</span> public void messageSent(NextFilter nextFilter, IoSession session, WriteRequest writeRequest) throws Exception {<a name="line.422"></a> |
| <span class="sourceLineNo">423</span> Object message = writeRequest.getMessage();<a name="line.423"></a> |
| <span class="sourceLineNo">424</span> <a name="line.424"></a> |
| <span class="sourceLineNo">425</span> if (!isKeepAliveMessage(session, message)) {<a name="line.425"></a> |
| <span class="sourceLineNo">426</span> nextFilter.messageSent(session, writeRequest);<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><a name="line.429"></a> |
| <span class="sourceLineNo">430</span> /**<a name="line.430"></a> |
| <span class="sourceLineNo">431</span> * {@inheritDoc}<a name="line.431"></a> |
| <span class="sourceLineNo">432</span> */<a name="line.432"></a> |
| <span class="sourceLineNo">433</span> @Override<a name="line.433"></a> |
| <span class="sourceLineNo">434</span> public void sessionIdle(NextFilter nextFilter, IoSession session, IdleStatus status) throws Exception {<a name="line.434"></a> |
| <span class="sourceLineNo">435</span> if (status == interestedIdleStatus) {<a name="line.435"></a> |
| <span class="sourceLineNo">436</span> if (!session.containsAttribute(WAITING_FOR_RESPONSE)) {<a name="line.436"></a> |
| <span class="sourceLineNo">437</span> Object pingMessage = messageFactory.getRequest(session);<a name="line.437"></a> |
| <span class="sourceLineNo">438</span> <a name="line.438"></a> |
| <span class="sourceLineNo">439</span> if (pingMessage != null) {<a name="line.439"></a> |
| <span class="sourceLineNo">440</span> nextFilter.filterWrite(session, new DefaultWriteRequest(pingMessage));<a name="line.440"></a> |
| <span class="sourceLineNo">441</span><a name="line.441"></a> |
| <span class="sourceLineNo">442</span> // If policy is OFF, there's no need to wait for<a name="line.442"></a> |
| <span class="sourceLineNo">443</span> // the response.<a name="line.443"></a> |
| <span class="sourceLineNo">444</span> if (getRequestTimeoutHandler() != KeepAliveRequestTimeoutHandler.DEAF_SPEAKER) {<a name="line.444"></a> |
| <span class="sourceLineNo">445</span> markStatus(session);<a name="line.445"></a> |
| <span class="sourceLineNo">446</span> if (interestedIdleStatus == IdleStatus.BOTH_IDLE) {<a name="line.446"></a> |
| <span class="sourceLineNo">447</span> session.setAttribute(IGNORE_READER_IDLE_ONCE);<a name="line.447"></a> |
| <span class="sourceLineNo">448</span> }<a name="line.448"></a> |
| <span class="sourceLineNo">449</span> } else {<a name="line.449"></a> |
| <span class="sourceLineNo">450</span> resetStatus(session);<a name="line.450"></a> |
| <span class="sourceLineNo">451</span> }<a name="line.451"></a> |
| <span class="sourceLineNo">452</span> }<a name="line.452"></a> |
| <span class="sourceLineNo">453</span> } else {<a name="line.453"></a> |
| <span class="sourceLineNo">454</span> handlePingTimeout(session);<a name="line.454"></a> |
| <span class="sourceLineNo">455</span> }<a name="line.455"></a> |
| <span class="sourceLineNo">456</span> } else if (status == IdleStatus.READER_IDLE) {<a name="line.456"></a> |
| <span class="sourceLineNo">457</span> if (session.removeAttribute(IGNORE_READER_IDLE_ONCE) == null) {<a name="line.457"></a> |
| <span class="sourceLineNo">458</span> if (session.containsAttribute(WAITING_FOR_RESPONSE)) {<a name="line.458"></a> |
| <span class="sourceLineNo">459</span> handlePingTimeout(session);<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> }<a name="line.462"></a> |
| <span class="sourceLineNo">463</span><a name="line.463"></a> |
| <span class="sourceLineNo">464</span> if (forwardEvent) {<a name="line.464"></a> |
| <span class="sourceLineNo">465</span> nextFilter.sessionIdle(session, status);<a name="line.465"></a> |
| <span class="sourceLineNo">466</span> }<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> private void handlePingTimeout(IoSession session) throws Exception {<a name="line.469"></a> |
| <span class="sourceLineNo">470</span> resetStatus(session);<a name="line.470"></a> |
| <span class="sourceLineNo">471</span> KeepAliveRequestTimeoutHandler handler = getRequestTimeoutHandler();<a name="line.471"></a> |
| <span class="sourceLineNo">472</span> if (handler == KeepAliveRequestTimeoutHandler.DEAF_SPEAKER) {<a name="line.472"></a> |
| <span class="sourceLineNo">473</span> return;<a name="line.473"></a> |
| <span class="sourceLineNo">474</span> }<a name="line.474"></a> |
| <span class="sourceLineNo">475</span><a name="line.475"></a> |
| <span class="sourceLineNo">476</span> handler.keepAliveRequestTimedOut(this, session);<a name="line.476"></a> |
| <span class="sourceLineNo">477</span> }<a name="line.477"></a> |
| <span class="sourceLineNo">478</span><a name="line.478"></a> |
| <span class="sourceLineNo">479</span> private void markStatus(IoSession session) {<a name="line.479"></a> |
| <span class="sourceLineNo">480</span> session.getConfig().setIdleTime(interestedIdleStatus, 0);<a name="line.480"></a> |
| <span class="sourceLineNo">481</span> session.getConfig().setReaderIdleTime(getRequestTimeout());<a name="line.481"></a> |
| <span class="sourceLineNo">482</span> session.setAttribute(WAITING_FOR_RESPONSE);<a name="line.482"></a> |
| <span class="sourceLineNo">483</span> }<a name="line.483"></a> |
| <span class="sourceLineNo">484</span><a name="line.484"></a> |
| <span class="sourceLineNo">485</span> private void resetStatus(IoSession session) {<a name="line.485"></a> |
| <span class="sourceLineNo">486</span> session.getConfig().setReaderIdleTime(0);<a name="line.486"></a> |
| <span class="sourceLineNo">487</span> session.getConfig().setWriterIdleTime(0);<a name="line.487"></a> |
| <span class="sourceLineNo">488</span> session.getConfig().setIdleTime(interestedIdleStatus, getRequestInterval());<a name="line.488"></a> |
| <span class="sourceLineNo">489</span> session.removeAttribute(WAITING_FOR_RESPONSE);<a name="line.489"></a> |
| <span class="sourceLineNo">490</span> }<a name="line.490"></a> |
| <span class="sourceLineNo">491</span><a name="line.491"></a> |
| <span class="sourceLineNo">492</span> private boolean isKeepAliveMessage(IoSession session, Object message) {<a name="line.492"></a> |
| <span class="sourceLineNo">493</span> return messageFactory.isRequest(session, message) || messageFactory.isResponse(session, message);<a name="line.493"></a> |
| <span class="sourceLineNo">494</span> }<a name="line.494"></a> |
| <span class="sourceLineNo">495</span>}<a name="line.495"></a> |
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| </pre> |
| </div> |
| </body> |
| </html> |
