public string GetMessageContext()
{
NetStream stream = BodyStream;
if (stream == null)
{
return(null);
}
return(stream.PeekString(1, 4));
}
/// <summary>
/// Parses TcpMessage reply-line from
/// </summary>
/// <param name="line">TcpMessage server reply-line.</param>
/// <returns>Returns parsed TcpMessage server reply-line.</returns>
/// <exception cref="ArgumentNullException">Is raised when <b>line</b> is null reference.</exception>
/// <exception cref="ParseException">Is raised when reply-line parsing fails.</exception>
public static TcpReply Parse(NetStream stream)
{
if (stream == null)
{
throw new ArgumentNullException("stream");
}
/* RFC 5321 4.2.
* Reply-line = *( Reply-code "-" [ textstring ] CRLF )
* Reply-code [ SP textstring ] CRLF
*
* Since, in violation of this specification, the text is sometimes not sent, clients that do not
* receive it SHOULD be prepared to process the code alone (with or without a trailing space character).
*/
if (stream.Length < 3)
{
throw new ParseException("Invalid TcpMessage server reply.");
}
int replyCode = stream.PeekInt32(0);
if (replyCode <= 0)
{
throw new ParseException("Invalid TcpMessage server reply '" + replyCode + "' reply-code.");
}
string msgtype = stream.PeekString(4, 6);
var bytes = stream.PeekBytes(7, stream.iLength - 9);
bool isLastLine = true;
if (line.Length > 3)
{
isLastLine = (line[3] == ' ');
}
string text = "";
if (line.Length > 5)
{
text = line.Substring(4);
}
return(new TcpReply(replyCode, text, isLastLine));
}