public static MyPacket BytesToPacket(byte[] bytes)
{
MyPacket packet = new MyPacket
{
PacketLength = BitConverter.ToInt32(bytes, 0),
ID = BitConverter.ToInt32(bytes, 4),
SourceAddress = new IPAddress(new byte[]
{ bytes[8], bytes[9], bytes[10], bytes[11] }),
DestinationAddress = new IPAddress(new byte[]
{ bytes[12], bytes[13], bytes[14], bytes[15] }),
Frequency = BitConverter.ToInt16(bytes, 16),
Bandwith = BitConverter.ToInt16(bytes, 20),
BitRate = BitConverter.ToInt16(bytes, 24),
Performance = BitConverter.ToInt16(bytes, 26),
Port = BitConverter.ToInt32(bytes, 28)
};
packet.slotWindow.FirstSlot = BitConverter.ToInt32(bytes, 32);
packet.slotWindow.NumberofSlots = BitConverter.ToInt32(bytes, 36);
var usefulPayload = new List <byte>();
usefulPayload.AddRange(bytes.ToList()
.GetRange(40, packet.PacketLength - PacketHeaderLength));
packet.Payload = Encoding.ASCII.GetString(usefulPayload.ToArray());
return(packet);
}
public MyPacket Receive()
{
byte[] receiveBuffer = new byte[256];
int receivedBytes = Receive(receiveBuffer);
if (Encoding.ASCII.GetString(receiveBuffer, 0, receivedBytes).Substring(0, 1).Equals("C"))
{
return(null);
}
return(MyPacket.BytesToPacket(receiveBuffer));
}
public int Send(MyPacket packet)
{
return(Send(packet.PacketToBytes()));
}