public static RTSPURL ParseRTSPURL(string url, out RTSPHeaderParserError parserError)
{
try
{
parserError = RTSPHeaderParserError.None;
RTSPURL rtspURL = new RTSPURL();
if (url == null || url.Trim().Length == 0)
{
throw new ApplicationException("An RTSP URI cannot be parsed from an empty string.");
}
else
{
int transAddrPosn = url.IndexOf(TRANSPORT_ADDR_SEPARATOR);
if (transAddrPosn == -1)
{
parserError = RTSPHeaderParserError.MandatoryColonMissing;
return(null);
}
else
{
rtspURL.URLTransport = url.Substring(0, transAddrPosn);
string urlHostPortion = url.Substring(transAddrPosn + TRANSPORT_ADDR_SEPARATOR.Length);
int hostDelimIndex = urlHostPortion.IndexOf(HOST_ADDR_DELIMITER);
if (hostDelimIndex != -1)
{
rtspURL.Host = urlHostPortion.Substring(0, hostDelimIndex);
rtspURL.Path = urlHostPortion.Substring(hostDelimIndex);
}
else
{
rtspURL.Host = urlHostPortion;
}
}
return(rtspURL);
}
}
catch (ApplicationException appExcp)
{
throw appExcp;
}
catch (Exception excp)
{
throw new ApplicationException("There was an exception parsing an RTSP URL. " + excp.Message + " url=" + url);
}
}
public static RTSPRequest ParseRTSPRequest(RTSPMessage rtspMessage, out RTSPRequestParserError requestParserError)
{
requestParserError = RTSPRequestParserError.None;
string urlStr = null;
try
{
var rtspRequest = new RTSPRequest();
string statusLine = rtspMessage.FirstLine;
int firstSpacePosn = statusLine.IndexOf(" ", StringComparison.OrdinalIgnoreCase);
string method = statusLine.Substring(0, firstSpacePosn).Trim();
rtspRequest.Method = RTSPMethods.GetMethod(method);
if (rtspRequest.Method == RTSPMethodsEnum.UNKNOWN)
{
rtspRequest.UnknownMethod = method;
logger.Warn("Unknown RTSP method received " + rtspRequest.Method + ".");
}
statusLine = statusLine.Substring(firstSpacePosn).Trim();
int secondSpacePosn = statusLine.IndexOf(" ");
if (secondSpacePosn != -1)
{
urlStr = statusLine.Substring(0, secondSpacePosn);
rtspRequest.URL = RTSPURL.ParseRTSPURL(urlStr);
rtspRequest.RTSPVersion = statusLine.Substring(secondSpacePosn, statusLine.Length - secondSpacePosn).Trim();
rtspRequest.Header = (rtspMessage.RTSPHeaders != null) ? RTSPHeader.ParseRTSPHeaders(rtspMessage.RTSPHeaders) : new RTSPHeader(0, null);
rtspRequest.Body = rtspMessage.Body;
return(rtspRequest);
}
else
{
throw new ApplicationException("URI was missing on RTSP request.");
}
}
catch (Exception excp)
{
logger.Error("Exception parsing RTSP request. URI, " + urlStr + ".");
throw new ApplicationException("There was an exception parsing an RTSP request. " + excp.Message);
}
}
public RTSPRequest(RTSPMethodsEnum method, string url)
{
RTSPHeaderParserError urlParserError = RTSPHeaderParserError.None;
try
{
Method = method;
URL = RTSPURL.ParseRTSPURL(url, out urlParserError);
if (urlParserError != RTSPHeaderParserError.None)
{
throw new ApplicationException("Error parsing RTSP URL, " + urlParserError.ToString() + ".");
}
RTSPVersion = m_rtspFullVersion;
}
catch (Exception excp)
{
logger.Error("Exception RTSPRequest Ctor. " + excp.Message + ".");
}
}
public RTSPRequest(RTSPMethodsEnum method, RTSPURL url)
{
Method = method;
URL = url;
RTSPVersion = m_rtspFullVersion;
}
