public FPData PeekHead(byte[] bytes)
{
if (bytes.Length < 12)
{
return(null);
}
FPData peek = new FPData();
peek.SetMagic(this.GetByteArrayRange(bytes, 0, 3));
peek.SetVersion(Array.IndexOf(FPConfig.FPNN_VERSION, bytes[4]));
if (bytes[5] == FPConfig.FP_FLAG[0])
{
peek.SetFlag(0);
}
if (bytes[5] == FPConfig.FP_FLAG[1])
{
peek.SetFlag(1);
}
peek.SetMtype(Array.IndexOf(FPConfig.FP_MESSAGE_TYPE, bytes[6]));
peek.SetSS(bytes[7]);
peek.SetPsize((int)BitConverter.ToUInt32(this.GetByteArrayRange(bytes, 8, 11), 0));
return(peek);
}