public static List <TelnetPacket> Parse(byte[] data, out byte[] remaining)
{
List <TelnetPacket> list = new List <TelnetPacket>();
if (BufUtil.CountDelim(data, IAC) > 0)
{
List <byte[]> seq = BufUtil.SplitIAC(data, IAC, out byte[] unparsed);
remaining = unparsed;
seq.ForEach(s =>
{
switch (s[1])
{
case Command.DO:
case Command.DONT:
case Command.WILL:
case Command.WONT:
list.Add(new TelnetPacket {
Command = s[1], Option = s[2]
});
break;
case Command.SB:
byte[] payload = new byte[s.Length - 3];
Buffer.BlockCopy(s, 3, payload, 0, payload.Length);
list.Add(new TelnetPacket {
Command = s[1], Option = s[2], Payload = payload
});
break;
case Command.SE:
// Ignore sub-negotiation end.
break;
}
});
}
else
{
remaining = data;
}
return(list);
}
