private static async Task <ServerInitMessage> ParseServerInitAsync(PipeReader reader, CancellationToken token)
{
var result = await reader.ReadMinBytesAsync(24, token);
var messageBytes = result.Buffer.Slice(0, 24).ToArray();
reader.AdvanceTo(result.Buffer.GetPosition(24));
var nameLength = BinaryPrimitives.ReadUInt32BigEndian(messageBytes.AsSpan(20, 4));
var nameBytes = await reader.ReadBytesAsync((int)nameLength, token);
return(new ServerInitMessage(
BinaryPrimitives.ReadUInt16BigEndian(messageBytes.AsSpan(0, 2)),
BinaryPrimitives.ReadUInt16BigEndian(messageBytes.AsSpan(2, 2)),
new PixelFormat()
{
BitsPerPixel = messageBytes[4],
Depth = messageBytes[5],
BigEndianFlag = messageBytes[6],
TrueColorFlag = messageBytes[7],
RedMax = BinaryPrimitives.ReadUInt16BigEndian(messageBytes.AsSpan(8, 2)),
GreenMax = BinaryPrimitives.ReadUInt16BigEndian(messageBytes.AsSpan(10, 2)),
BlueMax = BinaryPrimitives.ReadUInt16BigEndian(messageBytes.AsSpan(12, 2)),
RedShift = messageBytes[14],
GreenShift = messageBytes[15],
BlueShift = messageBytes[16]
},
Encoding.UTF8.GetString(nameBytes)));
}
private static Task <byte[]> ParseSecurityChallengeAsync(PipeReader reader, CancellationToken token)
{
return(reader.ReadBytesAsync(16, token));
}