private static bool TryParseFullFormat(string messageString, out SyslogMessage syslogMessage)
{
syslogMessage = null;
Match _match = Expressions.FullFormat.Match(messageString);
if ((_match != null && _match.Success && _match.Groups.Count == 4) == false)
{
return(false);
}
syslogMessage = new SyslogMessage();
var code = int.Parse(_match.Groups[1].ToString());
var datetime = _match.Groups[2].ToString();
DateTime msgDateTime;
if (!DateTime.TryParseExact(datetime, Formats.DateFomat1, Formats.StandarCulture, DateTimeStyles.None, out msgDateTime))
{
DateTime.TryParseExact(datetime, Formats.DateFormat2, Formats.StandarCulture, DateTimeStyles.None, out msgDateTime);
}
syslogMessage.FacilityCode = code.ToFacilityCode();
syslogMessage.SeverityCode = code.ToSeverityCode();
syslogMessage.DateTime = msgDateTime;
syslogMessage.Message = _match.Groups[3].ToString();
return(true);
}
private static bool TryParsePriFormat(string messageString, out SyslogMessage syslogMessage)
{
syslogMessage = null;
Match _match = Expressions.PriFormat.Match(messageString);
if ((_match != null && _match.Success && _match.Groups.Count == 3) == false)
{
return(false);
}
syslogMessage = new SyslogMessage();
var code = int.Parse(_match.Groups[1].ToString());
syslogMessage.FacilityCode = code.ToFacilityCode();
syslogMessage.SeverityCode = code.ToSeverityCode();
syslogMessage.Message = _match.Groups[2].ToString();
return(true);
}
public static SyslogMessage Parse(IPEndPoint endpoint, string rawString)
{
var cleanedString = Expressions.InvalidCharacters.Replace(rawString, " ");
SyslogMessage syslogMessage;
if (TryParseFullFormat(cleanedString, out syslogMessage) == false)
{
if (TryParsePriFormat(cleanedString, out syslogMessage) == false)
{
syslogMessage = new SyslogMessage();
syslogMessage.Message = cleanedString;
}
}
syslogMessage.RawString = rawString;
syslogMessage.Hostname = endpoint.Address.ToString();
return(syslogMessage);
}