Micn at 07:13, 17 February 2016

2016-02-17T07:13:28Z

Micn: Created page with "class Program { static StreamWriter outFile; static StreamReader inFile; static List packets = new List(); // 47 4.635842000 ..."

2016-02-17T07:12:50Z

Created page with "class Program { static StreamWriter outFile; static StreamReader inFile; static List<Log> packets = new List<Log>(); // 47 4.635842000 ..."

New page

class Program
{
static StreamWriter outFile;
static StreamReader inFile;

static List<Log> packets = new List<Log>();

// 47 4.635842000 172.16.236.177 8.8.8.8 DNS 85 Standard query 0x2063 A lh4.googleusercontent.com
static void analyze(List<String> lines)
{
if (lines.Count < 2) return;

//Protokol navnet står fra plads 69 og 9 pladser frem
string protocol = lines[1].Substring(67, 9);

//Tilføj også kode der kan læse Source og Destination
string source = lines[1].Substring(23, 22).Trim();
string dest = lines[1].Substring(45, 22).Trim();

string info = lines[1].Substring(83).Trim();

if (protocol.Trim().ToUpper() == "ARP")
{

}

if (protocol.Trim().ToUpper() == "DNS")
{
//Tilføj kode her der tæller antallet af DNS og gemmer den URL der søges på
if (info.Contains("Standard query 0x")) {

string[] infoSplit = info.Split(' ');
packets.Add(new DnsQ(source, dest, protocol.Trim(), infoSplit[2], infoSplit[5]));

} else
{
string[] infoSplit = info.Split(' ');

var query = packets.Find(x => {

if (x.GetType() == typeof(DnsQ))
return ((DnsQ)x).Id == infoSplit[2];
else
return false;
});

packets.Add(new DnsR(source, dest, protocol.Trim(), (DnsQ)query, info));
}

}
}

static Dictionary<string, int> web = new Dictionary<string, int>();
static void AddWebAddress(String address)
{
if (web.ContainsKey(address))
web[address]++;
else
web[address] = 1;
}

//static void Main(string[] args)
static void Main(string[] args)
{
inFile = new StreamReader("logfile.txt");
outFile = new StreamWriter("outLogs.txt");

String line;
List<String> lines = new List<string>();

while (!inFile.EndOfStream)
{
line = inFile.ReadLine();
//Hvis line starter med No. er det en ny pakke, så skal vi først analysere den gamle
if (line.StartsWith("No.") || inFile.EndOfStream)
{
analyze(lines);
lines = new List<string>();
}
lines.Add(line);
}
inFile.Close();
outFile.Close();

Console.ReadLine();
}
}

public class Log
{
public string Source { get; set; }
public string Destination { get; set; }
public string Protocol { get; set; }

public Log(string source, string destination, string protocol)
{
Source = source;
Destination = destination;
Protocol = protocol;
}
}

public class DnsQ : Log
{
public string Id { get; set; }
public string Url { get; set; }

public DnsQ(string source, string destination, string protocol, string id, string url):base(source, destination, protocol)
{
Id = id;
Url = url;
}
}

public class DnsR : Log
{
public DnsQ Query { get; set; }
private List<string> ipList = new List<string>();

public DnsR(string source, string destination, string protocol, DnsQ query, string infoString):base(source, destination, protocol)
{
Query = query;

bool saveNext = false;
foreach(string s in infoString.Split(' '))
{
if (s == "A") saveNext = true;
else saveNext = false;

if (saveNext)
ipList.Add(s);
}

}
}

@@ Line 1: / Line 1: @@
 class Program
+     {
@@ Line 137: / Line 138: @@
+         }
+     }

6237 Programmering II (Csharp) Agenda/solution 2 - Revision history

Micn at 07:13, 17 February 2016

Micn: Created page with "class Program { static StreamWriter outFile; static StreamReader inFile; static List packets = new List(); // 47 4.635842000 ..."