/// <summary>
/// Create the good type of Rtsp Message from the header.
/// </summary>
/// <param name="aRequestLine">A request line.</param>
/// <returns>An Rtsp message</returns>
public static RtspMessage GetRtspMessage(string aRequestLine)
{
// We can't determine the message
if (string.IsNullOrEmpty(aRequestLine))
{
return(new RtspMessage());
}
string[] requestParts = aRequestLine.Split(new char[] { ' ' }, 3);
RtspMessage returnValue;
if (requestParts.Length == 3)
{
// A request is : Method SP Request-URI SP RTSP-Version
// A response is : RTSP-Version SP Status-Code SP Reason-Phrase
// RTSP-Version = "RTSP" "/" 1*DIGIT "." 1*DIGIT
if (_rtspVersionTest.IsMatch(requestParts[2]))
{
returnValue = RtspRequest.GetRtspRequest(requestParts);
}
else if (_rtspVersionTest.IsMatch(requestParts[0]))
{
returnValue = new RtspResponse();
}
else
{
_logger.LogFormat(LogType.Warning, "Got a strange message {0}", aRequestLine);
returnValue = new RtspMessage();
}
}
else
{
_logger.LogFormat(LogType.Warning, "Got a strange message {0}", aRequestLine);
returnValue = new RtspMessage();
}
returnValue.Command = aRequestLine;
return(returnValue);
}
/// <summary>
/// Gets the Rtsp request.
/// </summary>
/// <param name="aRequestParts">A request parts.</param>
/// <returns>the parsed request</returns>
internal static RtspMessage GetRtspRequest(string[] aRequestParts)
{
// <pex>
Debug.Assert(aRequestParts != (string[])null, "aRequestParts");
Debug.Assert(aRequestParts.Length != 0, "aRequestParts.Length == 0");
// </pex>
// we already know this is a Request
RtspRequest returnValue;
switch (ParseRequest(aRequestParts[0]))
{
case RequestType.OPTIONS:
returnValue = new RtspRequestOptions();
break;
case RequestType.DESCRIBE:
returnValue = new RtspRequestDescribe();
break;
case RequestType.SETUP:
returnValue = new RtspRequestSetup();
break;
case RequestType.PLAY:
returnValue = new RtspRequestPlay();
break;
case RequestType.PAUSE:
returnValue = new RtspRequestPause();
break;
case RequestType.TEARDOWN:
returnValue = new RtspRequestTeardown();
break;
case RequestType.GET_PARAMETER:
returnValue = new RtspRequestGetParameter();
break;
case RequestType.ANNOUNCE:
returnValue = new RtspRequestAnnounce();
break;
case RequestType.RECORD:
returnValue = new RtspRequestRecord();
break;
/*
* case RequestType.REDIRECT:
* break;
*
* case RequestType.SET_PARAMETER:
* break;
*/
case RequestType.UNKNOWN:
default:
returnValue = new RtspRequest();
break;
}
return(returnValue);
}