http://mars.merhot.dk/w/index.php?action=history&feed=atom&title=6237_Programmering_II_%28Csharp%29_Agenda%2Fsolution1 2026-05-05T15:58:34Z Revision history for this page on the wiki MediaWiki 1.29.0 http://mars.merhot.dk/w/index.php?title=6237_Programmering_II_(Csharp)_Agenda/solution1&diff=33471&oldid=prev 2016-02-16T07:35:05Z

<p>Created page with &quot;&lt;source lang=csharp&gt; class Program { static StreamWriter outFile; static StreamReader inFile; static List&lt;string&gt; arpPackets = new List&lt;string&gt;(); ...&quot;</p> <p><b>New page</b></p><div>&lt;source lang=csharp&gt;<br /> class Program<br /> {<br /> static StreamWriter outFile;<br /> static StreamReader inFile;<br /> <br /> static List&lt;string&gt; arpPackets = new List&lt;string&gt;();<br /> static List&lt;string&gt; dnsPackets = new List&lt;string&gt;();<br /> <br /> // 47 4.635842000 172.16.236.177 8.8.8.8 DNS 85 Standard query 0x2063 A lh4.googleusercontent.com<br /> static void analyze(List&lt;String&gt; lines)<br /> {<br /> if (lines.Count &lt; 2) return;<br /> <br /> //Protokol navnet står fra plads 69 og 9 pladser frem<br /> string protocol = lines[1].Substring(67, 9);<br /> <br /> //Tilføj også kode der kan læse Source og Destination<br /> string source = lines[1].Substring(23, 22).Trim();<br /> string dest = lines[1].Substring(45, 22).Trim();<br /> <br /> string info = lines[1].Substring(83).Trim();<br /> <br /> if (protocol.Trim().ToUpper() == &quot;ARP&quot;)<br /> {<br /> arpPackets.Add(source);<br /> }<br /> <br /> if (protocol.Trim().ToUpper() == &quot;DNS&quot;)<br /> {<br /> //Tilføj kode her der tæller antallet af DNS og gemmer den URL der søges på<br /> if (info.Contains(&quot;Standard query 0x&quot;)) {<br /> string[] infoSplit = info.Split(' ');<br /> dnsPackets.Add(infoSplit[5]);<br /> }<br /> <br /> }<br /> }<br /> <br /> static Dictionary&lt;string, int&gt; web = new Dictionary&lt;string, int&gt;();<br /> static void AddWebAddress(String address)<br /> {<br /> if (web.ContainsKey(address))<br /> web[address]++;<br /> else<br /> web[address] = 1;<br /> }<br /> <br /> <br /> //static void Main(string[] args)<br /> static void Main(string[] args)<br /> {<br /> inFile = new StreamReader(&quot;logfile.txt&quot;);<br /> outFile = new StreamWriter(&quot;outLogs.txt&quot;);<br /> <br /> String line;<br /> List&lt;String&gt; lines = new List&lt;string&gt;();<br /> <br /> while (!inFile.EndOfStream)<br /> {<br /> line = inFile.ReadLine();<br /> //Hvis line starter med No. er det en ny pakke, så skal vi først analysere den gamle<br /> if (line.StartsWith(&quot;No.&quot;) || inFile.EndOfStream)<br /> {<br /> analyze(lines);<br /> lines = new List&lt;string&gt;();<br /> }<br /> lines.Add(line);<br /> }<br /> inFile.Close();<br /> outFile.Close();<br /> <br /> foreach (string url in dnsPackets)<br /> {<br /> AddWebAddress(url);<br /> }<br /> <br /> foreach (string key in web.Keys)<br /> {<br /> System.Console.WriteLine(&quot;Adressen {0} optræder {1} gange&quot;, key, web[key]);<br /> }<br /> <br /> Console.ReadLine();<br /> }<br /> }<br /> &lt;/source&gt;</div>

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