public void AddNAPTRResult(RecordNAPTR naptrRecord)
{
//logger.Debug("Checking NAPTR record for " + URI.ToString() + " " + naptrRecord.ToString() + ".");
SIPServicesEnum sipServicesEnum = SIPServicesEnum.none;
if (naptrRecord.Service == SIPDNSManager.NAPTR_SIP_UDP_SERVICE)
{
sipServicesEnum = SIPServicesEnum.sipudp;
}
else if (naptrRecord.Service == SIPDNSManager.NAPTR_SIP_TCP_SERVICE)
{
sipServicesEnum = SIPServicesEnum.siptcp;
}
else if (naptrRecord.Service == SIPDNSManager.NAPTR_SIPS_TCP_SERVICE)
{
sipServicesEnum = SIPServicesEnum.sipstcp;
}
if (sipServicesEnum != SIPServicesEnum.none)
{
//logger.Debug(" adding NAPTR lookup result for " + URI.ToString() + " of " + naptrRecord.ToString() + ".");
SIPDNSServiceResult sipNAPTRResult = new SIPDNSServiceResult(sipServicesEnum, naptrRecord.Order, naptrRecord.RR.TTL, naptrRecord.Replacement, 0, DateTime.Now);
if (SIPNAPTRResults == null)
{
SIPNAPTRResults = new Dictionary <SIPServicesEnum, SIPDNSServiceResult>()
{
{ sipServicesEnum, sipNAPTRResult }
};
}
else
{
SIPNAPTRResults.Add(sipServicesEnum, sipNAPTRResult);
}
}
}
private static Uri SelectSmpUriFromDnsResponse(Response dnsResponse)
{
RecordNAPTR firstMatchedNaptrRecord =
dnsResponse.Answers
.Select(r => r.RECORD)
.Cast <RecordNAPTR>()
.FirstOrDefault();
if (firstMatchedNaptrRecord == null)
{
throw new InvalidDataException(
"No DNS NAPTR record found to get the SMP REST binding from");
}
MatchCollection matches = SmpHttpRegex.Matches(firstMatchedNaptrRecord.REGEXP);
if (matches.Count == 0)
{
throw new InvalidDataException(
$"DNS NAPTR record value REGEXP: \"{firstMatchedNaptrRecord.REGEXP}\" doesn't match regular expression: \"{SmpHttpRegexPattern}\"");
}
Match firstMatch = matches[0];
if (firstMatch.Groups.Count < 2)
{
throw new InvalidDataException(
$"DNS NAPTR record value REGEXP: \"{firstMatchedNaptrRecord.REGEXP}\" doesn't match regular expression: \"{SmpHttpRegexPattern}\"");
}
// First group is always the entire matched string like "!^.*$!http://40.115.23.114:38080/".
// Second group is always only the matched parts like "http://40.115.23.114:38080/"
string matched = firstMatch.Groups[1].Value;
return(new Uri(matched));
}
