public static void Hexdump(Packet packet, bool S_C, bool udp = false)
{
var bytes = packet.GetBytes();
Console.WriteLine("[{0}] [{1:X2}-{2:X2}] [{3} bytes] [{4}]", S_C ? "S -> C" : "C -> S", packet.Opcode1, packet.Opcode2, bytes.Length, udp ? "UDP" : "TCP");
for (int i = 0; i < bytes.Length; i += 16)
{
string strdump = "";
string hexBytes = "";
for (int j = 0; j < 16; j++)
{
if (i + j >= bytes.Length)
{
strdump += " ";
hexBytes += " ";
}
else
{
if (!char.IsControl((char)bytes[i + j]))
{
strdump += (char)bytes[i + j];
}
else
{
strdump += ".";
}
hexBytes += bytes[i + j].ToString("X2") + " ";
}
}
Console.WriteLine($"{i.ToString("x6")}: {hexBytes} {strdump}");
}
Console.WriteLine();
}
private TransferBuffer FormatPacket(Packet packet)
{
var bytes = packet.GetBytes();
if (packet.Opcode == 0x00)
{
return(new TransferBuffer(bytes, 0, bytes.Length, false));
}
using (var pWriter = new PacketIO.PacketWriter())
{
pWriter.Write((ushort)(count | 2));
pWriter.Write((byte)0x00);
pWriter.Write((ushort)(bytes.Length));
pWriter.Write(packet.Opcode1);
pWriter.Write(packet.Opcode2);
pWriter.Write((ushort)(bytes.Length + 7));
pWriter.Write((byte)0x00); //USUALLY 0, UNKNOWN CURRENTLY
pWriter.Write(bytes);
var pbytes = pWriter.GetBytes().Skip(3).ToArray();
var data = Crypto.UDPCrypto.Encrypt(pbytes);
pWriter.Seek(0x03, System.IO.SeekOrigin.Begin);
pWriter.Write(data);
data = pWriter.GetBytes();
data[2] = (byte)((data.Length + 0x78) - (data.Sum(x => x) & 0xFF));
count += 8;
return(new TransferBuffer(data, 0, data.Length, false));
}
}
private TransferBuffer FormatPacket(Packet packet)
{
var pWriter = new PacketIO.PacketWriter();
var raw_bytes = packet.GetBytes();
pWriter.Write((ushort)(raw_bytes.Length + 0x07));
pWriter.Write((byte)0x00);
pWriter.Write((ushort)(raw_bytes.Length + 0x04));
pWriter.Write(packet.Opcode1);
pWriter.Write(packet.Opcode2);
pWriter.Write(raw_bytes);
raw_bytes = Crypto.CustomXTEA.Encrypt(pWriter.GetBytes().Skip(3).ToArray());
pWriter.Seek(0x03, System.IO.SeekOrigin.Begin);
pWriter.Write(raw_bytes);
return(new TransferBuffer(pWriter.GetBytes(), 0, raw_bytes.Length + 0x03, false));
}
public static byte[] HexdumpBytes(Packet packet)
{
return(HexdumpBytes(packet.GetBytes()));
}