static void Main(string[] args)
{
Templates _templates = new Templates();
Socket sock = new Socket(AddressFamily.InterNetwork, SocketType.Dgram, ProtocolType.Udp);
IPEndPoint iep = new IPEndPoint(IPAddress.Any, 9991);
sock.Bind(iep);
EndPoint ep = (EndPoint)iep;
byte[] data = new byte[2048];
while (true)
{
int recv = sock.ReceiveFrom(data, ref ep);
//Console.ReadKey();
Console.Clear();
byte[] bytes = new byte[recv];
for (int i = 0; i < recv; i++)
bytes[i] = data[i];
Packet packet = new Packet(bytes, _templates);
Console.ForegroundColor = ConsoleColor.Yellow;
Console.WriteLine(packet.ToString());
}
sock.Close();
Console.ReadKey();
}
public Packet(Byte[] bytes, Templates templates)
{
this._bytes = bytes;
this.Parse(templates);
}
private void Parse(Templates templates)
{
this._flowset = new List<FlowSet>();
Int32 length = _bytes.Length - 20;
Byte[] header = new Byte[20];
Byte[] flowset = new Byte[length];
Array.Copy(_bytes, 0, header, 0, 20);
Array.Copy(_bytes, 20, flowset, 0, length);
this._header = new Header(header);
byte[] reverse = flowset.Reverse().ToArray();
int templengh = 0;
while ((templengh + 2) < flowset.Length)
{
UInt16 lengths = BitConverter.ToUInt16(reverse, flowset.Length - sizeof(Int16) - (templengh+2));
Byte[] bflowsets = new Byte[lengths];
Array.Copy(flowset, templengh, bflowsets, 0, lengths);
FlowSet flowsets = new FlowSet(bflowsets, templates);
this._flowset.Add(flowsets);
templengh += lengths;
}
}
private void Parse(Templates templates)
{
byte[] reverse = this._bytes.Reverse().ToArray();
this._template = new List<Template>();
this._valuebyte = new List<byte>();
this._id = BitConverter.ToUInt16(reverse, this._bytes.Length - sizeof(Int16) - 0);
this._length = BitConverter.ToUInt16(reverse, this._bytes.Length - sizeof(Int16) - 2);
if ((this._id == 0) || (this._id == 1))
{
if (this._id == 0)
{
int cout, pastaddress, address = 6;
while (address < this._bytes.Length)
{
cout = BitConverter.ToUInt16(reverse, this._bytes.Length - sizeof(Int16) - address);
int length = cout * 4 + 4;
Byte[] btemplate = new Byte[length];
Array.Copy(this._bytes, address - 2, btemplate, 0, length);
Template template = new Template(btemplate);
this._template.Add(template);
Boolean flag = false;
Template[] templs = templates.Templats.ToArray();
for (int i = 0; i < templs.Length; i++ )
{
if (template.ID == templs[i].ID)
{
flag = true;
templs[i] = template;
}
}
if (flag)
{
templates.Templats = templs.ToList();
}
else
{
templates.Templats.Add(template);
}
pastaddress = address;
address = cout * 4 + pastaddress + 4;
}
}
}
else if (this._id > 255)
{
Boolean flag = false;
Template templs = null;
foreach(Template templ in templates.Templats)
{
if (templ.ID == this._id)
{
templs = DeepClone(templ) as Template;
flag = true;
}
}
int j = 4, z;
if (flag)
{
z = (this._length - 4) / templs.FieldLength;
for (int y = 0; y < z; y++)
{
foreach (Field fields in templs.Field)
{
for (int i = 0; i < fields.Length; i++, j++)
{
fields.Value.Add(this._bytes[j]);
}
}
this._template.Add(DeepClone(templs) as Template);
foreach (Field filds in templs.Field)
{
filds.Value.Clear();
}
}
}
if (!flag)
{
for (int i = 4; i < this._bytes.Length; i++)
{
this._valuebyte.Add(this._bytes[i]);
}
}
}
}
