private TdsToken CreateNotImplementedToken(TokenDescriptor tokenDesc, TdsResponseStream stream) { int len = 0; switch (tokenDesc.Len) { case TokenLength.OneByteLen: len = stream.Read(); stream.SkipRead(len); len += 1; break; case TokenLength.TwoByteLen: len = stream.ReadShort(); stream.SkipRead(len); len += 2; break; case TokenLength.FourByteLen: len = stream.ReadInt(); stream.SkipRead(len); len += 4; break; case TokenLength.OneByte: len = 1; stream.SkipRead(len); break; case TokenLength.FourBytes: len = 4; stream.SkipRead(len); break; case TokenLength.EigthBytes: len = 8; stream.SkipRead(len); break; case TokenLength.Dependent: default: _logger?.LogError($"Unknown length of token of type {tokenDesc.TokenType}"); throw new Exception($"Unknown length of token of type {tokenDesc.TokenType}"); } _logger?.LogWarning($"Not implemented token {tokenDesc.TokenType} of len {len}"); return(new UnknownToken(tokenDesc.TokenType, len)); }