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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><a name="line.20"></a> |
| <span class="sourceLineNo">021</span>package org.apache.mina.filter.errorgenerating;<a name="line.21"></a> |
| <span class="sourceLineNo">022</span><a name="line.22"></a> |
| <span class="sourceLineNo">023</span>import java.util.Random;<a name="line.23"></a> |
| <span class="sourceLineNo">024</span><a name="line.24"></a> |
| <span class="sourceLineNo">025</span>import org.apache.mina.core.buffer.IoBuffer;<a name="line.25"></a> |
| <span class="sourceLineNo">026</span>import org.apache.mina.core.filterchain.IoFilter;<a name="line.26"></a> |
| <span class="sourceLineNo">027</span>import org.apache.mina.core.filterchain.IoFilterAdapter;<a name="line.27"></a> |
| <span class="sourceLineNo">028</span>import org.apache.mina.core.session.IoSession;<a name="line.28"></a> |
| <span class="sourceLineNo">029</span>import org.apache.mina.core.write.DefaultWriteRequest;<a name="line.29"></a> |
| <span class="sourceLineNo">030</span>import org.apache.mina.core.write.WriteRequest;<a name="line.30"></a> |
| <span class="sourceLineNo">031</span>import org.slf4j.Logger;<a name="line.31"></a> |
| <span class="sourceLineNo">032</span>import org.slf4j.LoggerFactory;<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} implementation generating random bytes and PDU modification in<a name="line.35"></a> |
| <span class="sourceLineNo">036</span> * your communication streams.<a name="line.36"></a> |
| <span class="sourceLineNo">037</span> * It's quite simple to use :<a name="line.37"></a> |
| <span class="sourceLineNo">038</span> * <code>ErrorGeneratingFilter egf = new ErrorGeneratingFilter();</code><a name="line.38"></a> |
| <span class="sourceLineNo">039</span> * For activate the change of some bytes in your {@link IoBuffer}, for a probability of 200 out<a name="line.39"></a> |
| <span class="sourceLineNo">040</span> * of 1000 {@link IoBuffer} processed :<a name="line.40"></a> |
| <span class="sourceLineNo">041</span> * <code>egf.setChangeByteProbability(200);</code><a name="line.41"></a> |
| <span class="sourceLineNo">042</span> * For activate the insertion of some bytes in your {@link IoBuffer}, for a<a name="line.42"></a> |
| <span class="sourceLineNo">043</span> * probability of 200 out of 1000 :<a name="line.43"></a> |
| <span class="sourceLineNo">044</span> * <code>egf.setInsertByteProbability(200);</code><a name="line.44"></a> |
| <span class="sourceLineNo">045</span> * And for the removing of some bytes :<a name="line.45"></a> |
| <span class="sourceLineNo">046</span> * <code>egf.setRemoveByteProbability(200);</code><a name="line.46"></a> |
| <span class="sourceLineNo">047</span> * You can activate the error generation for write or read with the<a name="line.47"></a> |
| <span class="sourceLineNo">048</span> * following methods :<a name="line.48"></a> |
| <span class="sourceLineNo">049</span> * <code>egf.setManipulateReads(true);<a name="line.49"></a> |
| <span class="sourceLineNo">050</span> * egf.setManipulateWrites(true); </code><a name="line.50"></a> |
| <span class="sourceLineNo">051</span> * <a name="line.51"></a> |
| <span class="sourceLineNo">052</span> * @author <a href="http://mina.apache.org">Apache MINA Project</a><a name="line.52"></a> |
| <span class="sourceLineNo">053</span> * @org.apache.xbean.XBean<a name="line.53"></a> |
| <span class="sourceLineNo">054</span> */<a name="line.54"></a> |
| <span class="sourceLineNo">055</span>public class ErrorGeneratingFilter extends IoFilterAdapter {<a name="line.55"></a> |
| <span class="sourceLineNo">056</span> private int removeByteProbability = 0;<a name="line.56"></a> |
| <span class="sourceLineNo">057</span><a name="line.57"></a> |
| <span class="sourceLineNo">058</span> private int insertByteProbability = 0;<a name="line.58"></a> |
| <span class="sourceLineNo">059</span><a name="line.59"></a> |
| <span class="sourceLineNo">060</span> private int changeByteProbability = 0;<a name="line.60"></a> |
| <span class="sourceLineNo">061</span><a name="line.61"></a> |
| <span class="sourceLineNo">062</span> private int removePduProbability = 0;<a name="line.62"></a> |
| <span class="sourceLineNo">063</span><a name="line.63"></a> |
| <span class="sourceLineNo">064</span> private int duplicatePduProbability = 0;<a name="line.64"></a> |
| <span class="sourceLineNo">065</span><a name="line.65"></a> |
| <span class="sourceLineNo">066</span> private int resendPduLasterProbability = 0;<a name="line.66"></a> |
| <span class="sourceLineNo">067</span><a name="line.67"></a> |
| <span class="sourceLineNo">068</span> private int maxInsertByte = 10;<a name="line.68"></a> |
| <span class="sourceLineNo">069</span><a name="line.69"></a> |
| <span class="sourceLineNo">070</span> private boolean manipulateWrites = false;<a name="line.70"></a> |
| <span class="sourceLineNo">071</span><a name="line.71"></a> |
| <span class="sourceLineNo">072</span> private boolean manipulateReads = false;<a name="line.72"></a> |
| <span class="sourceLineNo">073</span><a name="line.73"></a> |
| <span class="sourceLineNo">074</span> private Random rng = new Random();<a name="line.74"></a> |
| <span class="sourceLineNo">075</span><a name="line.75"></a> |
| <span class="sourceLineNo">076</span> final private Logger logger = LoggerFactory.getLogger(ErrorGeneratingFilter.class);<a name="line.76"></a> |
| <span class="sourceLineNo">077</span><a name="line.77"></a> |
| <span class="sourceLineNo">078</span> @Override<a name="line.78"></a> |
| <span class="sourceLineNo">079</span> public void filterWrite(NextFilter nextFilter, IoSession session, WriteRequest writeRequest) throws Exception {<a name="line.79"></a> |
| <span class="sourceLineNo">080</span> if (manipulateWrites) {<a name="line.80"></a> |
| <span class="sourceLineNo">081</span> // manipulate bytes<a name="line.81"></a> |
| <span class="sourceLineNo">082</span> if (writeRequest.getMessage() instanceof IoBuffer) {<a name="line.82"></a> |
| <span class="sourceLineNo">083</span> manipulateIoBuffer(session, (IoBuffer) writeRequest.getMessage());<a name="line.83"></a> |
| <span class="sourceLineNo">084</span> IoBuffer buffer = insertBytesToNewIoBuffer(session, (IoBuffer) writeRequest.getMessage());<a name="line.84"></a> |
| <span class="sourceLineNo">085</span> if (buffer != null) {<a name="line.85"></a> |
| <span class="sourceLineNo">086</span> writeRequest = new DefaultWriteRequest(buffer, writeRequest.getFuture(),<a name="line.86"></a> |
| <span class="sourceLineNo">087</span> writeRequest.getDestination());<a name="line.87"></a> |
| <span class="sourceLineNo">088</span> }<a name="line.88"></a> |
| <span class="sourceLineNo">089</span> // manipulate PDU<a name="line.89"></a> |
| <span class="sourceLineNo">090</span> } else {<a name="line.90"></a> |
| <span class="sourceLineNo">091</span> if (duplicatePduProbability > rng.nextInt()) {<a name="line.91"></a> |
| <span class="sourceLineNo">092</span> nextFilter.filterWrite(session, writeRequest);<a name="line.92"></a> |
| <span class="sourceLineNo">093</span> }<a name="line.93"></a> |
| <span class="sourceLineNo">094</span><a name="line.94"></a> |
| <span class="sourceLineNo">095</span> if (resendPduLasterProbability > rng.nextInt()) {<a name="line.95"></a> |
| <span class="sourceLineNo">096</span> // store it somewhere and trigger a write execution for<a name="line.96"></a> |
| <span class="sourceLineNo">097</span> // later<a name="line.97"></a> |
| <span class="sourceLineNo">098</span> // TODO<a name="line.98"></a> |
| <span class="sourceLineNo">099</span> }<a name="line.99"></a> |
| <span class="sourceLineNo">100</span> if (removePduProbability > rng.nextInt()) {<a name="line.100"></a> |
| <span class="sourceLineNo">101</span> return;<a name="line.101"></a> |
| <span class="sourceLineNo">102</span> }<a name="line.102"></a> |
| <span class="sourceLineNo">103</span> }<a name="line.103"></a> |
| <span class="sourceLineNo">104</span> }<a name="line.104"></a> |
| <span class="sourceLineNo">105</span> nextFilter.filterWrite(session, writeRequest);<a name="line.105"></a> |
| <span class="sourceLineNo">106</span> }<a name="line.106"></a> |
| <span class="sourceLineNo">107</span><a name="line.107"></a> |
| <span class="sourceLineNo">108</span> @Override<a name="line.108"></a> |
| <span class="sourceLineNo">109</span> public void messageReceived(NextFilter nextFilter, IoSession session, Object message) throws Exception {<a name="line.109"></a> |
| <span class="sourceLineNo">110</span> if (manipulateReads) {<a name="line.110"></a> |
| <span class="sourceLineNo">111</span> if (message instanceof IoBuffer) {<a name="line.111"></a> |
| <span class="sourceLineNo">112</span> // manipulate bytes<a name="line.112"></a> |
| <span class="sourceLineNo">113</span> manipulateIoBuffer(session, (IoBuffer) message);<a name="line.113"></a> |
| <span class="sourceLineNo">114</span> IoBuffer buffer = insertBytesToNewIoBuffer(session, (IoBuffer) message);<a name="line.114"></a> |
| <span class="sourceLineNo">115</span> if (buffer != null) {<a name="line.115"></a> |
| <span class="sourceLineNo">116</span> message = buffer;<a name="line.116"></a> |
| <span class="sourceLineNo">117</span> }<a name="line.117"></a> |
| <span class="sourceLineNo">118</span> } else {<a name="line.118"></a> |
| <span class="sourceLineNo">119</span> // manipulate PDU<a name="line.119"></a> |
| <span class="sourceLineNo">120</span> // TODO<a name="line.120"></a> |
| <span class="sourceLineNo">121</span> }<a name="line.121"></a> |
| <span class="sourceLineNo">122</span> }<a name="line.122"></a> |
| <span class="sourceLineNo">123</span> nextFilter.messageReceived(session, message);<a name="line.123"></a> |
| <span class="sourceLineNo">124</span> }<a name="line.124"></a> |
| <span class="sourceLineNo">125</span><a name="line.125"></a> |
| <span class="sourceLineNo">126</span> private IoBuffer insertBytesToNewIoBuffer(IoSession session, IoBuffer buffer) {<a name="line.126"></a> |
| <span class="sourceLineNo">127</span> if (insertByteProbability > rng.nextInt(1000)) {<a name="line.127"></a> |
| <span class="sourceLineNo">128</span> logger.info(buffer.getHexDump());<a name="line.128"></a> |
| <span class="sourceLineNo">129</span> // where to insert bytes ?<a name="line.129"></a> |
| <span class="sourceLineNo">130</span> int pos = rng.nextInt(buffer.remaining()) - 1;<a name="line.130"></a> |
| <span class="sourceLineNo">131</span><a name="line.131"></a> |
| <span class="sourceLineNo">132</span> // how many byte to insert ?<a name="line.132"></a> |
| <span class="sourceLineNo">133</span> int count = rng.nextInt(maxInsertByte - 1) + 1;<a name="line.133"></a> |
| <span class="sourceLineNo">134</span><a name="line.134"></a> |
| <span class="sourceLineNo">135</span> IoBuffer newBuff = IoBuffer.allocate(buffer.remaining() + count);<a name="line.135"></a> |
| <span class="sourceLineNo">136</span> for (int i = 0; i < pos; i++)<a name="line.136"></a> |
| <span class="sourceLineNo">137</span> newBuff.put(buffer.get());<a name="line.137"></a> |
| <span class="sourceLineNo">138</span> for (int i = 0; i < count; i++) {<a name="line.138"></a> |
| <span class="sourceLineNo">139</span> newBuff.put((byte) (rng.nextInt(256)));<a name="line.139"></a> |
| <span class="sourceLineNo">140</span> }<a name="line.140"></a> |
| <span class="sourceLineNo">141</span> while (buffer.remaining() > 0) {<a name="line.141"></a> |
| <span class="sourceLineNo">142</span> newBuff.put(buffer.get());<a name="line.142"></a> |
| <span class="sourceLineNo">143</span> }<a name="line.143"></a> |
| <span class="sourceLineNo">144</span> newBuff.flip();<a name="line.144"></a> |
| <span class="sourceLineNo">145</span><a name="line.145"></a> |
| <span class="sourceLineNo">146</span> logger.info("Inserted " + count + " bytes.");<a name="line.146"></a> |
| <span class="sourceLineNo">147</span> logger.info(newBuff.getHexDump());<a name="line.147"></a> |
| <span class="sourceLineNo">148</span> return newBuff;<a name="line.148"></a> |
| <span class="sourceLineNo">149</span> }<a name="line.149"></a> |
| <span class="sourceLineNo">150</span> return null;<a name="line.150"></a> |
| <span class="sourceLineNo">151</span> }<a name="line.151"></a> |
| <span class="sourceLineNo">152</span><a name="line.152"></a> |
| <span class="sourceLineNo">153</span> private void manipulateIoBuffer(IoSession session, IoBuffer buffer) {<a name="line.153"></a> |
| <span class="sourceLineNo">154</span> if ((buffer.remaining() > 0) && (removeByteProbability > rng.nextInt(1000))) {<a name="line.154"></a> |
| <span class="sourceLineNo">155</span> logger.info(buffer.getHexDump());<a name="line.155"></a> |
| <span class="sourceLineNo">156</span> // where to remove bytes ?<a name="line.156"></a> |
| <span class="sourceLineNo">157</span> int pos = rng.nextInt(buffer.remaining());<a name="line.157"></a> |
| <span class="sourceLineNo">158</span> // how many byte to remove ?<a name="line.158"></a> |
| <span class="sourceLineNo">159</span> int count = rng.nextInt(buffer.remaining() - pos) + 1;<a name="line.159"></a> |
| <span class="sourceLineNo">160</span> if (count == buffer.remaining())<a name="line.160"></a> |
| <span class="sourceLineNo">161</span> count = buffer.remaining() - 1;<a name="line.161"></a> |
| <span class="sourceLineNo">162</span><a name="line.162"></a> |
| <span class="sourceLineNo">163</span> IoBuffer newBuff = IoBuffer.allocate(buffer.remaining() - count);<a name="line.163"></a> |
| <span class="sourceLineNo">164</span> for (int i = 0; i < pos; i++)<a name="line.164"></a> |
| <span class="sourceLineNo">165</span> newBuff.put(buffer.get());<a name="line.165"></a> |
| <span class="sourceLineNo">166</span><a name="line.166"></a> |
| <span class="sourceLineNo">167</span> buffer.skip(count); // hole<a name="line.167"></a> |
| <span class="sourceLineNo">168</span> while (newBuff.remaining() > 0)<a name="line.168"></a> |
| <span class="sourceLineNo">169</span> newBuff.put(buffer.get());<a name="line.169"></a> |
| <span class="sourceLineNo">170</span> newBuff.flip();<a name="line.170"></a> |
| <span class="sourceLineNo">171</span> // copy the new buffer in the old one<a name="line.171"></a> |
| <span class="sourceLineNo">172</span> buffer.rewind();<a name="line.172"></a> |
| <span class="sourceLineNo">173</span> buffer.put(newBuff);<a name="line.173"></a> |
| <span class="sourceLineNo">174</span> buffer.flip();<a name="line.174"></a> |
| <span class="sourceLineNo">175</span> logger.info("Removed " + count + " bytes at position " + pos + ".");<a name="line.175"></a> |
| <span class="sourceLineNo">176</span> logger.info(buffer.getHexDump());<a name="line.176"></a> |
| <span class="sourceLineNo">177</span> }<a name="line.177"></a> |
| <span class="sourceLineNo">178</span> if ((buffer.remaining() > 0) && (changeByteProbability > rng.nextInt(1000))) {<a name="line.178"></a> |
| <span class="sourceLineNo">179</span> logger.info(buffer.getHexDump());<a name="line.179"></a> |
| <span class="sourceLineNo">180</span> // how many byte to change ?<a name="line.180"></a> |
| <span class="sourceLineNo">181</span> int count = rng.nextInt(buffer.remaining() - 1) + 1;<a name="line.181"></a> |
| <span class="sourceLineNo">182</span><a name="line.182"></a> |
| <span class="sourceLineNo">183</span> byte[] values = new byte[count];<a name="line.183"></a> |
| <span class="sourceLineNo">184</span> rng.nextBytes(values);<a name="line.184"></a> |
| <span class="sourceLineNo">185</span> for (int i = 0; i < values.length; i++) {<a name="line.185"></a> |
| <span class="sourceLineNo">186</span> int pos = rng.nextInt(buffer.remaining());<a name="line.186"></a> |
| <span class="sourceLineNo">187</span> buffer.put(pos, values[i]);<a name="line.187"></a> |
| <span class="sourceLineNo">188</span> }<a name="line.188"></a> |
| <span class="sourceLineNo">189</span> logger.info("Modified " + count + " bytes.");<a name="line.189"></a> |
| <span class="sourceLineNo">190</span> logger.info(buffer.getHexDump());<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><a name="line.193"></a> |
| <span class="sourceLineNo">194</span> public int getChangeByteProbability() {<a name="line.194"></a> |
| <span class="sourceLineNo">195</span> return changeByteProbability;<a name="line.195"></a> |
| <span class="sourceLineNo">196</span> }<a name="line.196"></a> |
| <span class="sourceLineNo">197</span><a name="line.197"></a> |
| <span class="sourceLineNo">198</span> /**<a name="line.198"></a> |
| <span class="sourceLineNo">199</span> * Set the probability for the change byte error.<a name="line.199"></a> |
| <span class="sourceLineNo">200</span> * If this probability is &gt; 0 the filter will modify a random number of byte<a name="line.200"></a> |
| <span class="sourceLineNo">201</span> * of the processed {@link IoBuffer}.<a name="line.201"></a> |
| <span class="sourceLineNo">202</span> * @param changeByteProbability probability of modifying an IoBuffer out of 1000 processed {@link IoBuffer} <a name="line.202"></a> |
| <span class="sourceLineNo">203</span> */<a name="line.203"></a> |
| <span class="sourceLineNo">204</span> public void setChangeByteProbability(int changeByteProbability) {<a name="line.204"></a> |
| <span class="sourceLineNo">205</span> this.changeByteProbability = changeByteProbability;<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> public int getDuplicatePduProbability() {<a name="line.208"></a> |
| <span class="sourceLineNo">209</span> return duplicatePduProbability;<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> * not functional ATM<a name="line.213"></a> |
| <span class="sourceLineNo">214</span> * @param duplicatePduProbability<a name="line.214"></a> |
| <span class="sourceLineNo">215</span> */<a name="line.215"></a> |
| <span class="sourceLineNo">216</span> public void setDuplicatePduProbability(int duplicatePduProbability) {<a name="line.216"></a> |
| <span class="sourceLineNo">217</span> this.duplicatePduProbability = duplicatePduProbability;<a name="line.217"></a> |
| <span class="sourceLineNo">218</span> }<a name="line.218"></a> |
| <span class="sourceLineNo">219</span><a name="line.219"></a> |
| <span class="sourceLineNo">220</span> public int getInsertByteProbability() {<a name="line.220"></a> |
| <span class="sourceLineNo">221</span> return insertByteProbability;<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> * Set the probability for the insert byte error.<a name="line.225"></a> |
| <span class="sourceLineNo">226</span> * If this probability is &gt; 0 the filter will insert a random number of byte<a name="line.226"></a> |
| <span class="sourceLineNo">227</span> * in the processed {@link IoBuffer}.<a name="line.227"></a> |
| <span class="sourceLineNo">228</span> * @param insertByteProbability probability of inserting in IoBuffer out of 1000 processed {@link IoBuffer} <a name="line.228"></a> |
| <span class="sourceLineNo">229</span> */<a name="line.229"></a> |
| <span class="sourceLineNo">230</span> public void setInsertByteProbability(int insertByteProbability) {<a name="line.230"></a> |
| <span class="sourceLineNo">231</span> this.insertByteProbability = insertByteProbability;<a name="line.231"></a> |
| <span class="sourceLineNo">232</span> }<a name="line.232"></a> |
| <span class="sourceLineNo">233</span><a name="line.233"></a> |
| <span class="sourceLineNo">234</span> public boolean isManipulateReads() {<a name="line.234"></a> |
| <span class="sourceLineNo">235</span> return manipulateReads;<a name="line.235"></a> |
| <span class="sourceLineNo">236</span> }<a name="line.236"></a> |
| <span class="sourceLineNo">237</span><a name="line.237"></a> |
| <span class="sourceLineNo">238</span> /**<a name="line.238"></a> |
| <span class="sourceLineNo">239</span> * Set to true if you want to apply error to the read {@link IoBuffer}<a name="line.239"></a> |
| <span class="sourceLineNo">240</span> * @param manipulateReads<a name="line.240"></a> |
| <span class="sourceLineNo">241</span> */<a name="line.241"></a> |
| <span class="sourceLineNo">242</span> public void setManipulateReads(boolean manipulateReads) {<a name="line.242"></a> |
| <span class="sourceLineNo">243</span> this.manipulateReads = manipulateReads;<a name="line.243"></a> |
| <span class="sourceLineNo">244</span> }<a name="line.244"></a> |
| <span class="sourceLineNo">245</span><a name="line.245"></a> |
| <span class="sourceLineNo">246</span> public boolean isManipulateWrites() {<a name="line.246"></a> |
| <span class="sourceLineNo">247</span> return manipulateWrites;<a name="line.247"></a> |
| <span class="sourceLineNo">248</span> }<a name="line.248"></a> |
| <span class="sourceLineNo">249</span><a name="line.249"></a> |
| <span class="sourceLineNo">250</span> /**<a name="line.250"></a> |
| <span class="sourceLineNo">251</span> * Set to true if you want to apply error to the written {@link IoBuffer}<a name="line.251"></a> |
| <span class="sourceLineNo">252</span> * @param manipulateWrites<a name="line.252"></a> |
| <span class="sourceLineNo">253</span> */<a name="line.253"></a> |
| <span class="sourceLineNo">254</span> public void setManipulateWrites(boolean manipulateWrites) {<a name="line.254"></a> |
| <span class="sourceLineNo">255</span> this.manipulateWrites = manipulateWrites;<a name="line.255"></a> |
| <span class="sourceLineNo">256</span> }<a name="line.256"></a> |
| <span class="sourceLineNo">257</span><a name="line.257"></a> |
| <span class="sourceLineNo">258</span> public int getRemoveByteProbability() {<a name="line.258"></a> |
| <span class="sourceLineNo">259</span> return removeByteProbability;<a name="line.259"></a> |
| <span class="sourceLineNo">260</span> }<a name="line.260"></a> |
| <span class="sourceLineNo">261</span><a name="line.261"></a> |
| <span class="sourceLineNo">262</span> /**<a name="line.262"></a> |
| <span class="sourceLineNo">263</span> * Set the probability for the remove byte error.<a name="line.263"></a> |
| <span class="sourceLineNo">264</span> * If this probability is &gt; 0 the filter will remove a random number of byte<a name="line.264"></a> |
| <span class="sourceLineNo">265</span> * in the processed {@link IoBuffer}.<a name="line.265"></a> |
| <span class="sourceLineNo">266</span> * @param removeByteProbability probability of modifying an {@link IoBuffer} out of 1000 processed IoBuffer <a name="line.266"></a> |
| <span class="sourceLineNo">267</span> */<a name="line.267"></a> |
| <span class="sourceLineNo">268</span> public void setRemoveByteProbability(int removeByteProbability) {<a name="line.268"></a> |
| <span class="sourceLineNo">269</span> this.removeByteProbability = removeByteProbability;<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> public int getRemovePduProbability() {<a name="line.272"></a> |
| <span class="sourceLineNo">273</span> return removePduProbability;<a name="line.273"></a> |
| <span class="sourceLineNo">274</span> }<a name="line.274"></a> |
| <span class="sourceLineNo">275</span><a name="line.275"></a> |
| <span class="sourceLineNo">276</span> /**<a name="line.276"></a> |
| <span class="sourceLineNo">277</span> * not functional ATM<a name="line.277"></a> |
| <span class="sourceLineNo">278</span> * @param removePduProbability<a name="line.278"></a> |
| <span class="sourceLineNo">279</span> */<a name="line.279"></a> |
| <span class="sourceLineNo">280</span> public void setRemovePduProbability(int removePduProbability) {<a name="line.280"></a> |
| <span class="sourceLineNo">281</span> this.removePduProbability = removePduProbability;<a name="line.281"></a> |
| <span class="sourceLineNo">282</span> }<a name="line.282"></a> |
| <span class="sourceLineNo">283</span><a name="line.283"></a> |
| <span class="sourceLineNo">284</span> public int getResendPduLasterProbability() {<a name="line.284"></a> |
| <span class="sourceLineNo">285</span> return resendPduLasterProbability;<a name="line.285"></a> |
| <span class="sourceLineNo">286</span> }<a name="line.286"></a> |
| <span class="sourceLineNo">287</span><a name="line.287"></a> |
| <span class="sourceLineNo">288</span> /**<a name="line.288"></a> |
| <span class="sourceLineNo">289</span> * not functional ATM<a name="line.289"></a> |
| <span class="sourceLineNo">290</span> * @param resendPduLasterProbability<a name="line.290"></a> |
| <span class="sourceLineNo">291</span> */<a name="line.291"></a> |
| <span class="sourceLineNo">292</span> public void setResendPduLasterProbability(int resendPduLasterProbability) {<a name="line.292"></a> |
| <span class="sourceLineNo">293</span> this.resendPduLasterProbability = resendPduLasterProbability;<a name="line.293"></a> |
| <span class="sourceLineNo">294</span> }<a name="line.294"></a> |
| <span class="sourceLineNo">295</span><a name="line.295"></a> |
| <span class="sourceLineNo">296</span> public int getMaxInsertByte() {<a name="line.296"></a> |
| <span class="sourceLineNo">297</span> return maxInsertByte;<a name="line.297"></a> |
| <span class="sourceLineNo">298</span> }<a name="line.298"></a> |
| <span class="sourceLineNo">299</span><a name="line.299"></a> |
| <span class="sourceLineNo">300</span> /**<a name="line.300"></a> |
| <span class="sourceLineNo">301</span> * Set the maximum number of byte the filter can insert in a {@link IoBuffer}.<a name="line.301"></a> |
| <span class="sourceLineNo">302</span> * The default value is 10.<a name="line.302"></a> |
| <span class="sourceLineNo">303</span> * @param maxInsertByte maximum bytes inserted in a {@link IoBuffer} <a name="line.303"></a> |
| <span class="sourceLineNo">304</span> */<a name="line.304"></a> |
| <span class="sourceLineNo">305</span> public void setMaxInsertByte(int maxInsertByte) {<a name="line.305"></a> |
| <span class="sourceLineNo">306</span> this.maxInsertByte = maxInsertByte;<a name="line.306"></a> |
| <span class="sourceLineNo">307</span> }<a name="line.307"></a> |
| <span class="sourceLineNo">308</span>}<a name="line.308"></a> |
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| </pre> |
| </div> |
| </body> |
| </html> |
