/// <summary>
/// Send control packet
/// </summary>
/// <param name="flags">SMUX header flags</param>
private void SendControlPacket(SNISMUXFlags flags)
{
SNIPacket packet = new SNIPacket(headerSize: SNISMUXHeader.HEADER_LENGTH, dataSize: 0);
lock (this)
{
SetupSMUXHeader(0, flags);
_currentHeader.Write(packet.GetHeaderBuffer(SNISMUXHeader.HEADER_LENGTH));
packet.SetHeaderActive();
}
_connection.Send(packet);
}
private void GetSMUXHeaderBytes(int length, SNISMUXFlags flags, Span <byte> bytes)
{
_currentHeader.SMID = 83;
_currentHeader.flags = (byte)flags;
_currentHeader.sessionId = _sessionId;
_currentHeader.length = (uint)SNISMUXHeader.HEADER_LENGTH + (uint)length;
_currentHeader.sequenceNumber = ((flags == SNISMUXFlags.SMUX_FIN) || (flags == SNISMUXFlags.SMUX_ACK)) ? _sequenceNumber - 1 : _sequenceNumber++;
_currentHeader.highwater = _receiveHighwater;
_receiveHighwaterLastAck = _currentHeader.highwater;
_currentHeader.Write(bytes);
}