/// <summary>Builds rfc-3164 compatible message</summary>
/// <param name="logEvent">The NLog.LogEventInfo</param>
/// <param name="facility">Syslog Facility to transmit message from</param>
/// <param name="severity">Syslog severity level</param>
/// <param name="body">Message text</param>
/// <returns>Byte array containing formatted syslog message</returns>
private byte[] BuildSyslogMessage3164(LogEventInfo logEvent, SyslogFacility facility, SyslogSeverity severity, string body)
{
// Calculate PRI field
var priority = CalculatePriorityValue(facility, severity).ToString(CultureInfo.InvariantCulture);
var time = logEvent.TimeStamp.ToLocalTime().ToString(TimestampFormat, _usCulture);
// Get sender machine name
var machine = MachineName.Render(logEvent);
// Get sender
var sender = Sender.Render(logEvent);
return(Encoding.ASCII.GetBytes($"<{priority}>{time} {machine} {sender}: {body}{Environment.NewLine}"));
}
/// <summary>Builds rfc-5424 compatible message</summary>
/// <param name="logEvent">The NLog.LogEventInfo</param>
/// <param name="facility">Syslog Facility to transmit message from</param>
/// <param name="severity">Syslog severity level</param>
/// <param name="body">Message text</param>
/// <returns>Byte array containing formatted syslog message</returns>
private byte[] BuildSyslogMessage5424(LogEventInfo logEvent, SyslogFacility facility, SyslogSeverity severity, string body)
{
// Calculate PRI field
var priority = CalculatePriorityValue(facility, severity).ToString(CultureInfo.InvariantCulture);
var version = ProtocolVersion.ToString(CultureInfo.InvariantCulture);
var time = logEvent.TimeStamp.ToString("o");
// Get sender machine name
var machine = Left(MachineName.Render(logEvent), 255);
var sender = Left(Sender.Render(logEvent), 48);
var procId = Left(ProcId.Render(logEvent), 128);
var msgId = Left(MsgId.Render(logEvent), 32);
var headerData = Encoding.ASCII.GetBytes($"<{priority}>{version} {time} {machine} {sender} {procId} {msgId} ");
var structuredData = Encoding.UTF8.GetBytes(StructuredData.Render(logEvent) + " ");
var messageData = Encoding.UTF8.GetBytes(body);
var allData = new List <byte>(headerData.Length + structuredData.Length + _bom.Length + messageData.Length);
allData.AddRange(headerData);
allData.AddRange(structuredData);
allData.AddRange(_bom);
allData.AddRange(messageData);
return(allData.ToArray());
}
