public static IPEndPoint ParseIpEndPoint(string text)
{
return(ParseUtil.ParseIpEndPoint(text));
}
public override SipViaHeader Parse(StringReader r)
{
SipViaHeader header = new SipViaHeader();
#region via-parm
// protocol-name
string word = r.QuotedReadToDelimiter('/');
IfNullOrEmptyThrowParseExceptionInvalidFormat(word);
string version = word.Trim();
word = r.QuotedReadToDelimiter('/');
IfNullOrEmptyThrowParseExceptionInvalidFormat(word);
version += "/" + word.Trim();
if (!version.Equals(SipConstants.SipTwoZeroString, StringComparison.InvariantCultureIgnoreCase))
{
throw new ParseException(ExceptionMessage.InvalidFormat);
}
word = r.ReadWord();
IfNullOrEmptyThrowParseExceptionInvalidFormat(word);
IfFalseThrowParseException(word.Equals(SipConstants.Udp, StringComparison.InvariantCultureIgnoreCase), ExceptionMessage.InvalidTransport);
header.Transport = word.Trim();
word = r.QuotedReadToDelimiter(new char[] { ';', ',' }, false);
if (word == null)
{
throw new ParseException(ExceptionMessage.InvalidFormat);
}
word = word.Trim();
try
{
if (ParseUtil.IsIPAddress(word))
{
header.SentBy = new IPEndPoint(IPAddress.Parse(word), 5060);
}
else
{
header.SentBy = ParseUtil.ParseIpEndPoint(word);
}
}
catch (Exception e)
{
throw new ParseException(ExceptionMessage.InvalidFormat, e);
}
#endregion
#region via-params
header.Parameters = new SipParameterCollectionParser().Parse(r.ReadToEnd());
if (header.Parameters[SipParameterNames.Branch] == null)
{
throw new ParseException(ExceptionMessage.BranchParameterCanNotBeNull);
}
return(header);
#endregion
}