/// <summary>
/// Send control packet
/// </summary>
/// <param name="flags">SMUX header flags</param>
private void SendControlPacket(SNISMUXFlags flags)
{
Span <byte> headerBytes = stackalloc byte[SNISMUXHeader.HEADER_LENGTH];
lock (this)
{
GetSMUXHeaderBytes(0, flags, headerBytes);
}
SNIPacket packet = new SNIPacket(SNISMUXHeader.HEADER_LENGTH);
packet.AppendData(headerBytes);
_connection.Send(packet);
}
/// <summary>
/// Generate a packet with SMUX header
/// </summary>
/// <param name="packet">SNI packet</param>
/// <returns>Encapsulated SNI packet</returns>
private SNIPacket GetSMUXEncapsulatedPacket(SNIPacket packet)
{
uint xSequenceNumber = _sequenceNumber;
Span <byte> header = stackalloc byte[SNISMUXHeader.HEADER_LENGTH];
GetSMUXHeaderBytes(packet.Length, SNISMUXFlags.SMUX_DATA, header);
SNIPacket smuxPacket = new SNIPacket(SNISMUXHeader.HEADER_LENGTH + packet.Length);
smuxPacket.AppendData(header);
smuxPacket.AppendPacket(packet);
packet.Dispose();
return(smuxPacket);
}
/// <summary>
/// Generate a packet with SMUX header
/// </summary>
/// <param name="packet">SNI packet</param>
/// <returns>Encapsulated SNI packet</returns>
private SNIPacket GetSMUXEncapsulatedPacket(SNIPacket packet)
{
uint xSequenceNumber = _sequenceNumber;
byte[] headerBytes = null;
GetSMUXHeaderBytes(packet.Length, (byte)SNISMUXFlags.SMUX_DATA, ref headerBytes);
SNIPacket smuxPacket = new SNIPacket(16 + packet.Length);
smuxPacket.Description = string.Format("({0}) SMUX packet {1}", packet.Description == null ? "" : packet.Description, xSequenceNumber);
smuxPacket.AppendData(headerBytes, 16);
smuxPacket.AppendPacket(packet);
return(smuxPacket);
}
/// <summary>
/// Set packet data
/// </summary>
/// <param name="packet">SNI packet</param>
/// <param name="data">Data</param>
/// <param name="length">Length</param>
public void PacketSetData(SNIPacket packet, byte[] data, int length)
{
packet.AppendData(data, length);
}
