/// <summary>
/// Reads COTP TPDU (Transport protocol data unit) from the network stream
/// See: https://tools.ietf.org/html/rfc905
/// </summary>
/// <param name="stream">The socket to read from</param>
/// <returns>COTP DPDU instance</returns>
public static async Task <TPDU> ReadAsync(Stream stream, CancellationToken cancellationToken)
{
var tpkt = await TPKT.ReadAsync(stream, cancellationToken).ConfigureAwait(false);
if (tpkt.Length == 0)
{
throw new TPDUInvalidException("No protocol data received");
}
return(new TPDU(tpkt));
}
/// <summary>
/// Reads COTP TPDU (Transport protocol data unit) from the network stream
/// See: https://tools.ietf.org/html/rfc905
/// </summary>
/// <param name="stream">The socket to read from</param>
/// <returns>COTP DPDU instance</returns>
public static async Task <TPDU> ReadAsync(Stream stream)
{
var tpkt = await TPKT.ReadAsync(stream);
if (tpkt.Length > 0)
{
return(new TPDU(tpkt));
}
return(null);
}
/// <summary>
/// Reads COTP TPDU (Transport protocol data unit) from the network stream
/// See: https://tools.ietf.org/html/rfc905
/// </summary>
/// <param name="stream">The socket to read from</param>
/// <returns>COTP DPDU instance</returns>
public static async Task <TPDU> ReadAsync(Stream stream)
{
var tpkt = await TPKT.ReadAsync(stream);
if (tpkt.Length == 0)
{
throw new TPDUInvalidException("No protocol data received");
}
return(new TPDU(tpkt));
}