static public void ConvertReceivedData(byte[] buffer, int iReceived)
{
if (buffer.Length > 0 && iReceived != 0)
{
//getting IP header and data information
PacketIP ipPacket = new PacketIP(buffer, iReceived);
// this string used as a key in the buffer
string strKey = _decPackagesReceived.ToString(); // Guid.NewGuid().ToString();
//searching which uperlevel protocol contain IP packet
System.Threading.Thread.Sleep(75);
string _ipsource = ipPacket.SourceAddress.ToString();
string _ipdest = ipPacket.DestinationAddress.ToString();
switch (ipPacket.Protocol)
{
case "TCP":
{
// Console.WriteLine("------------------------------");
Console.WriteLine(" ");
//if IP contains TCP creating new TCPData object
//and assigning all TCP fields
PacketTCP tcpPacket = new PacketTCP(ipPacket.Data, ipPacket.MessageLength);
if (tcpPacket.DestinationPort != "80" & tcpPacket.SourcePort != "80")
{
//creating new PacketInfo object to fill the buffer
PacketInfo pkgInfo = new PacketInfo(ipPacket, tcpPacket);
Console.ForegroundColor = ConsoleColor.Red;
Console.Write(ipPacket.SourceAddress.ToString() + ":");
Console.Write(tcpPacket.SourcePort.ToString());
Console.ForegroundColor = ConsoleColor.Gray;
Console.Write(" -> ");
Console.ForegroundColor = ConsoleColor.Green;
Console.Write(ipPacket.DestinationAddress.ToString() + ":");
Console.Write(tcpPacket.DestinationPort + " Protocol: ");
Console.Write(ipPacket.Protocol + " Boyut: ");
Console.Write(ipPacket.TotalLength + " ");
if (_datak)
{
string yazi = BitConverter.ToString(tcpPacket.Data);
yazi = yazi.Replace("-", "");
yazi = yazi.Replace("0", "");
Console.WriteLine(" ");
Console.WriteLine(yazi);
_wtdata.WriteLine("\r\n" + yazi);
_wtdata.Flush();
}
Console.WriteLine(" ");
Console.WriteLine("------------------------------");
}
}
break;
case "UDP":
{
Console.WriteLine("------------------------------");
Console.WriteLine(" ");
PacketUdp udpPacket = new PacketUdp(ipPacket.Data, ipPacket.MessageLength);
PacketInfo pkgInfo = new PacketInfo(ipPacket, udpPacket);
Console.ForegroundColor = ConsoleColor.Red;
Console.Write(ipPacket.SourceAddress.ToString() + ":");
Console.Write(udpPacket.SourcePort.ToString());
Console.ForegroundColor = ConsoleColor.Gray;
Console.Write(" -> ");
Console.ForegroundColor = ConsoleColor.Green;
Console.Write(ipPacket.DestinationAddress.ToString() + ":");
Console.Write(udpPacket.DestinationPort + " Protocol: ");
Console.Write(ipPacket.Protocol + " Boyut: ");
Console.Write(ipPacket.TotalLength + " ");
Console.WriteLine(" ");
if (_datak)
{
string yazi = Encoding.UTF8.GetString(udpPacket.Data);
yazi = yazi.Replace("\0", "");
Console.WriteLine(" ");
Console.WriteLine(yazi);
_wudata.WriteLine(DateTime.Now.ToString() + ":" + "\r\n" + yazi);
_wudata.Flush();
}
Console.WriteLine("------------------------------");
} break;
case "ICMP":
{
PacketIcmp icmpPacket = new PacketIcmp(ipPacket.Data, ipPacket.MessageLength);
PacketInfo pkgInfo = new PacketInfo(ipPacket, icmpPacket);
Console.WriteLine("------------------------------");
Console.WriteLine(" ");
Console.ForegroundColor = ConsoleColor.Red;
Console.Write(ipPacket.SourceAddress.ToString() + ":");
Console.ForegroundColor = ConsoleColor.Gray;
Console.Write(" -> ");
Console.ForegroundColor = ConsoleColor.Green;
Console.Write(ipPacket.DestinationAddress.ToString() + ":");
Console.Write(ipPacket.Protocol + " Boyut: ");
Console.Write(ipPacket.TotalLength + " ");
Console.WriteLine(" ");
Console.WriteLine("------------------------------");
} break;
case "IGMP":
{
PacketIgmp igmpPacket = new PacketIgmp(ipPacket.Data, ipPacket.MessageLength);
PacketInfo pkgInfo = new PacketInfo(ipPacket, igmpPacket);
Console.WriteLine("------------------------------");
Console.WriteLine(" ");
Console.ForegroundColor = ConsoleColor.Red;
Console.Write(ipPacket.SourceAddress.ToString() + ":");
Console.ForegroundColor = ConsoleColor.Gray;
Console.Write(" -> ");
Console.ForegroundColor = ConsoleColor.Green;
Console.Write(ipPacket.DestinationAddress.ToString() + ":");
Console.Write(ipPacket.Protocol + " Boyut: ");
Console.Write(ipPacket.TotalLength + " ");
Console.WriteLine(" ");
Console.WriteLine("------------------------------");
} break;
}
}
}
public PacketInfo(PacketIP ip, PacketUdp udp)
{
_ip = ip;
_udp = udp;
}