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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.example.echoserver;<a name="line.20"></a>
<span class="sourceLineNo">021</span>import static org.junit.Assert.assertEquals;<a name="line.21"></a>
<span class="sourceLineNo">022</span><a name="line.22"></a>
<span class="sourceLineNo">023</span>import java.io.IOException;<a name="line.23"></a>
<span class="sourceLineNo">024</span>import java.net.InetSocketAddress;<a name="line.24"></a>
<span class="sourceLineNo">025</span>import java.net.SocketAddress;<a name="line.25"></a>
<span class="sourceLineNo">026</span>import java.security.GeneralSecurityException;<a name="line.26"></a>
<span class="sourceLineNo">027</span><a name="line.27"></a>
<span class="sourceLineNo">028</span>import org.apache.mina.core.buffer.IoBuffer;<a name="line.28"></a>
<span class="sourceLineNo">029</span>import org.apache.mina.core.service.IoAcceptor;<a name="line.29"></a>
<span class="sourceLineNo">030</span>import org.apache.mina.core.session.IoSession;<a name="line.30"></a>
<span class="sourceLineNo">031</span>import org.apache.mina.example.echoserver.ssl.BogusSslContextFactory;<a name="line.31"></a>
<span class="sourceLineNo">032</span>import org.apache.mina.filter.ssl.SslFilter;<a name="line.32"></a>
<span class="sourceLineNo">033</span>import org.apache.mina.transport.socket.DatagramSessionConfig;<a name="line.33"></a>
<span class="sourceLineNo">034</span>import org.apache.mina.transport.socket.nio.NioDatagramAcceptor;<a name="line.34"></a>
<span class="sourceLineNo">035</span>import org.apache.mina.transport.socket.nio.NioSocketAcceptor;<a name="line.35"></a>
<span class="sourceLineNo">036</span>import org.apache.mina.util.AvailablePortFinder;<a name="line.36"></a>
<span class="sourceLineNo">037</span>import org.junit.After;<a name="line.37"></a>
<span class="sourceLineNo">038</span>import org.junit.Before;<a name="line.38"></a>
<span class="sourceLineNo">039</span>import org.slf4j.Logger;<a name="line.39"></a>
<span class="sourceLineNo">040</span>import org.slf4j.LoggerFactory;<a name="line.40"></a>
<span class="sourceLineNo">041</span><a name="line.41"></a>
<span class="sourceLineNo">042</span>/**<a name="line.42"></a>
<span class="sourceLineNo">043</span> * Tests echo server example.<a name="line.43"></a>
<span class="sourceLineNo">044</span> *<a name="line.44"></a>
<span class="sourceLineNo">045</span> * @author &lt;a href="http://mina.apache.org"&gt;Apache MINA Project&lt;/a&gt;<a name="line.45"></a>
<span class="sourceLineNo">046</span> */<a name="line.46"></a>
<span class="sourceLineNo">047</span>public abstract class AbstractTest {<a name="line.47"></a>
<span class="sourceLineNo">048</span> private final static Logger LOGGER = LoggerFactory.getLogger(AbstractTest.class);<a name="line.48"></a>
<span class="sourceLineNo">049</span><a name="line.49"></a>
<span class="sourceLineNo">050</span> protected boolean useSSL;<a name="line.50"></a>
<span class="sourceLineNo">051</span><a name="line.51"></a>
<span class="sourceLineNo">052</span> protected int port;<a name="line.52"></a>
<span class="sourceLineNo">053</span><a name="line.53"></a>
<span class="sourceLineNo">054</span> protected SocketAddress boundAddress;<a name="line.54"></a>
<span class="sourceLineNo">055</span><a name="line.55"></a>
<span class="sourceLineNo">056</span> protected IoAcceptor datagramAcceptor;<a name="line.56"></a>
<span class="sourceLineNo">057</span><a name="line.57"></a>
<span class="sourceLineNo">058</span> protected IoAcceptor socketAcceptor;<a name="line.58"></a>
<span class="sourceLineNo">059</span><a name="line.59"></a>
<span class="sourceLineNo">060</span> protected AbstractTest() {<a name="line.60"></a>
<span class="sourceLineNo">061</span> // Do nothing<a name="line.61"></a>
<span class="sourceLineNo">062</span> }<a name="line.62"></a>
<span class="sourceLineNo">063</span><a name="line.63"></a>
<span class="sourceLineNo">064</span> protected static void isEquals(byte[] expected, byte[] actual) {<a name="line.64"></a>
<span class="sourceLineNo">065</span> assertEquals(toString(expected), toString(actual));<a name="line.65"></a>
<span class="sourceLineNo">066</span> }<a name="line.66"></a>
<span class="sourceLineNo">067</span><a name="line.67"></a>
<span class="sourceLineNo">068</span> protected static void isEquals(IoBuffer expected, IoBuffer actual) {<a name="line.68"></a>
<span class="sourceLineNo">069</span> assertEquals(toString(expected), toString(actual));<a name="line.69"></a>
<span class="sourceLineNo">070</span> }<a name="line.70"></a>
<span class="sourceLineNo">071</span><a name="line.71"></a>
<span class="sourceLineNo">072</span> protected static String toString(byte[] buf) {<a name="line.72"></a>
<span class="sourceLineNo">073</span> StringBuilder str = new StringBuilder(buf.length * 4);<a name="line.73"></a>
<span class="sourceLineNo">074</span> for (byte element : buf) {<a name="line.74"></a>
<span class="sourceLineNo">075</span> str.append(element);<a name="line.75"></a>
<span class="sourceLineNo">076</span> str.append(' ');<a name="line.76"></a>
<span class="sourceLineNo">077</span> }<a name="line.77"></a>
<span class="sourceLineNo">078</span> return str.toString();<a name="line.78"></a>
<span class="sourceLineNo">079</span> }<a name="line.79"></a>
<span class="sourceLineNo">080</span><a name="line.80"></a>
<span class="sourceLineNo">081</span> protected static String toString(IoBuffer buf) {<a name="line.81"></a>
<span class="sourceLineNo">082</span> return buf.getHexDump();<a name="line.82"></a>
<span class="sourceLineNo">083</span> }<a name="line.83"></a>
<span class="sourceLineNo">084</span><a name="line.84"></a>
<span class="sourceLineNo">085</span> @Before<a name="line.85"></a>
<span class="sourceLineNo">086</span> public void setUp() throws Exception {<a name="line.86"></a>
<span class="sourceLineNo">087</span> // Disable SSL by default<a name="line.87"></a>
<span class="sourceLineNo">088</span> useSSL = false;<a name="line.88"></a>
<span class="sourceLineNo">089</span><a name="line.89"></a>
<span class="sourceLineNo">090</span> boundAddress = null;<a name="line.90"></a>
<span class="sourceLineNo">091</span> datagramAcceptor = new NioDatagramAcceptor();<a name="line.91"></a>
<span class="sourceLineNo">092</span> socketAcceptor = new NioSocketAcceptor();<a name="line.92"></a>
<span class="sourceLineNo">093</span><a name="line.93"></a>
<span class="sourceLineNo">094</span> ((DatagramSessionConfig) datagramAcceptor.getSessionConfig())<a name="line.94"></a>
<span class="sourceLineNo">095</span> .setReuseAddress(true);<a name="line.95"></a>
<span class="sourceLineNo">096</span> ((NioSocketAcceptor) socketAcceptor).setReuseAddress(true);<a name="line.96"></a>
<span class="sourceLineNo">097</span><a name="line.97"></a>
<span class="sourceLineNo">098</span> // Find an available test port and bind to it.<a name="line.98"></a>
<span class="sourceLineNo">099</span> boolean socketBound = false;<a name="line.99"></a>
<span class="sourceLineNo">100</span> boolean datagramBound = false;<a name="line.100"></a>
<span class="sourceLineNo">101</span><a name="line.101"></a>
<span class="sourceLineNo">102</span> // Let's start from port #1 to detect possible resource leak<a name="line.102"></a>
<span class="sourceLineNo">103</span> // because test will fail in port 1-1023 if user run this test<a name="line.103"></a>
<span class="sourceLineNo">104</span> // as a normal user.<a name="line.104"></a>
<span class="sourceLineNo">105</span><a name="line.105"></a>
<span class="sourceLineNo">106</span> SocketAddress address = null;<a name="line.106"></a>
<span class="sourceLineNo">107</span><a name="line.107"></a>
<span class="sourceLineNo">108</span> // Find the first available port above 1024<a name="line.108"></a>
<span class="sourceLineNo">109</span> port = AvailablePortFinder.getNextAvailable(1024);<a name="line.109"></a>
<span class="sourceLineNo">110</span><a name="line.110"></a>
<span class="sourceLineNo">111</span> socketBound = false;<a name="line.111"></a>
<span class="sourceLineNo">112</span> datagramBound = false;<a name="line.112"></a>
<span class="sourceLineNo">113</span><a name="line.113"></a>
<span class="sourceLineNo">114</span> address = new InetSocketAddress(port);<a name="line.114"></a>
<span class="sourceLineNo">115</span><a name="line.115"></a>
<span class="sourceLineNo">116</span> try {<a name="line.116"></a>
<span class="sourceLineNo">117</span> socketAcceptor.setHandler(new EchoProtocolHandler() {<a name="line.117"></a>
<span class="sourceLineNo">118</span> @Override<a name="line.118"></a>
<span class="sourceLineNo">119</span> public void sessionCreated(IoSession session) {<a name="line.119"></a>
<span class="sourceLineNo">120</span> if (useSSL) {<a name="line.120"></a>
<span class="sourceLineNo">121</span> try {<a name="line.121"></a>
<span class="sourceLineNo">122</span> session.getFilterChain().addFirst(<a name="line.122"></a>
<span class="sourceLineNo">123</span> "SSL",<a name="line.123"></a>
<span class="sourceLineNo">124</span> new SslFilter(BogusSslContextFactory<a name="line.124"></a>
<span class="sourceLineNo">125</span> .getInstance(true)));<a name="line.125"></a>
<span class="sourceLineNo">126</span> } catch (GeneralSecurityException e) {<a name="line.126"></a>
<span class="sourceLineNo">127</span> LOGGER.error("", e);<a name="line.127"></a>
<span class="sourceLineNo">128</span> throw new RuntimeException(e);<a name="line.128"></a>
<span class="sourceLineNo">129</span> }<a name="line.129"></a>
<span class="sourceLineNo">130</span> }<a name="line.130"></a>
<span class="sourceLineNo">131</span> }<a name="line.131"></a>
<span class="sourceLineNo">132</span><a name="line.132"></a>
<span class="sourceLineNo">133</span> // This is for TLS re-entrance test<a name="line.133"></a>
<span class="sourceLineNo">134</span> @Override<a name="line.134"></a>
<span class="sourceLineNo">135</span> public void messageReceived(IoSession session, Object message)<a name="line.135"></a>
<span class="sourceLineNo">136</span> throws Exception {<a name="line.136"></a>
<span class="sourceLineNo">137</span> if (!(message instanceof IoBuffer)) {<a name="line.137"></a>
<span class="sourceLineNo">138</span> return;<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> IoBuffer buf = (IoBuffer) message;<a name="line.141"></a>
<span class="sourceLineNo">142</span> <a name="line.142"></a>
<span class="sourceLineNo">143</span> buf.mark();<a name="line.143"></a>
<span class="sourceLineNo">144</span><a name="line.144"></a>
<span class="sourceLineNo">145</span> if (session.getFilterChain().contains("SSL")<a name="line.145"></a>
<span class="sourceLineNo">146</span> &amp;&amp; buf.remaining() == 1 &amp;&amp; buf.get() == (byte) '.') {<a name="line.146"></a>
<span class="sourceLineNo">147</span> LOGGER.info("TLS Reentrance");<a name="line.147"></a>
<span class="sourceLineNo">148</span> ((SslFilter) session.getFilterChain().get("SSL"))<a name="line.148"></a>
<span class="sourceLineNo">149</span> .startSsl(session);<a name="line.149"></a>
<span class="sourceLineNo">150</span><a name="line.150"></a>
<span class="sourceLineNo">151</span> // Send a response<a name="line.151"></a>
<span class="sourceLineNo">152</span> buf.capacity(1);<a name="line.152"></a>
<span class="sourceLineNo">153</span> buf.flip();<a name="line.153"></a>
<span class="sourceLineNo">154</span> session.setAttribute(SslFilter.DISABLE_ENCRYPTION_ONCE);<a name="line.154"></a>
<span class="sourceLineNo">155</span> session.write(buf);<a name="line.155"></a>
<span class="sourceLineNo">156</span> } else {<a name="line.156"></a>
<span class="sourceLineNo">157</span> buf.reset();<a name="line.157"></a>
<span class="sourceLineNo">158</span> super.messageReceived(session, buf);<a name="line.158"></a>
<span class="sourceLineNo">159</span> }<a name="line.159"></a>
<span class="sourceLineNo">160</span> }<a name="line.160"></a>
<span class="sourceLineNo">161</span> });<a name="line.161"></a>
<span class="sourceLineNo">162</span><a name="line.162"></a>
<span class="sourceLineNo">163</span> socketAcceptor.bind(address);<a name="line.163"></a>
<span class="sourceLineNo">164</span> socketBound = true;<a name="line.164"></a>
<span class="sourceLineNo">165</span><a name="line.165"></a>
<span class="sourceLineNo">166</span> datagramAcceptor.setHandler(new EchoProtocolHandler());<a name="line.166"></a>
<span class="sourceLineNo">167</span> datagramAcceptor.bind(address);<a name="line.167"></a>
<span class="sourceLineNo">168</span> datagramBound = true;<a name="line.168"></a>
<span class="sourceLineNo">169</span> } catch (IOException e) {<a name="line.169"></a>
<span class="sourceLineNo">170</span> // Do nothing<a name="line.170"></a>
<span class="sourceLineNo">171</span> } finally {<a name="line.171"></a>
<span class="sourceLineNo">172</span> if (socketBound &amp;&amp; !datagramBound) {<a name="line.172"></a>
<span class="sourceLineNo">173</span> socketAcceptor.unbind();<a name="line.173"></a>
<span class="sourceLineNo">174</span> }<a name="line.174"></a>
<span class="sourceLineNo">175</span> if (datagramBound &amp;&amp; !socketBound) {<a name="line.175"></a>
<span class="sourceLineNo">176</span> datagramAcceptor.unbind();<a name="line.176"></a>
<span class="sourceLineNo">177</span> }<a name="line.177"></a>
<span class="sourceLineNo">178</span> }<a name="line.178"></a>
<span class="sourceLineNo">179</span><a name="line.179"></a>
<span class="sourceLineNo">180</span> // If there is no port available, test fails.<a name="line.180"></a>
<span class="sourceLineNo">181</span> if (!socketBound || !datagramBound) {<a name="line.181"></a>
<span class="sourceLineNo">182</span> throw new IOException("Cannot bind any test port.");<a name="line.182"></a>
<span class="sourceLineNo">183</span> }<a name="line.183"></a>
<span class="sourceLineNo">184</span><a name="line.184"></a>
<span class="sourceLineNo">185</span> boundAddress = address;<a name="line.185"></a>
<span class="sourceLineNo">186</span> LOGGER.info("Using port " + port + " for testing.");<a name="line.186"></a>
<span class="sourceLineNo">187</span> }<a name="line.187"></a>
<span class="sourceLineNo">188</span><a name="line.188"></a>
<span class="sourceLineNo">189</span> @After<a name="line.189"></a>
<span class="sourceLineNo">190</span> public void tearDown() throws Exception {<a name="line.190"></a>
<span class="sourceLineNo">191</span> if (boundAddress != null) {<a name="line.191"></a>
<span class="sourceLineNo">192</span> socketAcceptor.dispose();<a name="line.192"></a>
<span class="sourceLineNo">193</span> datagramAcceptor.dispose();<a name="line.193"></a>
<span class="sourceLineNo">194</span> }<a name="line.194"></a>
<span class="sourceLineNo">195</span> }<a name="line.195"></a>
<span class="sourceLineNo">196</span>}<a name="line.196"></a>
</pre>
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