/// <summary>
/// Get a GelfMessage with info about logging event.
/// </summary>
/// <param name="loggingEvent">Logging event</param>
/// <returns>GelfMessage</returns>
protected virtual GelfMessage GetGelfMessage(LoggingEvent loggingEvent)
{
var fullMessage = GetFullMessage(loggingEvent);
var gelfMessage = new GelfMessage
{
Facility = Facility ?? "GELF",
File = string.Empty,
FullMesage = fullMessage,
Host = this.GetLoggingHostName(),
Level = this.GetSyslogSeverity(loggingEvent.Level),
Line = string.Empty,
ShortMessage = this.GetShortMessage(fullMessage, loggingEvent),
TimeStamp = loggingEvent.TimeStamp,
Version = GELF_VERSION,
};
if (this.IncludeLocationInformation)
{
gelfMessage.File = loggingEvent.LocationInformation.FileName;
gelfMessage.Line = loggingEvent.LocationInformation.LineNumber;
}
return(gelfMessage);
}
internal string BuildFromLoggingEvent(GelfMessage gelfMessage, Dictionary<string, string> innerAdditionalFields)
{
var gelfJsonMessage = JsonConvert.SerializeObject(gelfMessage);
var jsonObject = JObject.Parse(gelfJsonMessage);
this.AddAdditionalFields(jsonObject, innerAdditionalFields);
return jsonObject.ToString();
}
internal string BuildFromLoggingEvent(GelfMessage gelfMessage, Dictionary <string, string> innerAdditionalFields)
{
var gelfJsonMessage = JsonConvert.SerializeObject(gelfMessage);
var jsonObject = JObject.Parse(gelfJsonMessage);
this.AddAdditionalFields(jsonObject, innerAdditionalFields);
return(jsonObject.ToString());
}
/// <summary>Append a log event on graylog. </summary>
/// <param name="loggingEvent">The logging event. </param>
protected override void Append(LoggingEvent loggingEvent)
{
GelfMessage gelfMessage = this.GetGelfMessage(loggingEvent);
Dictionary <string, string> additionalFields = this.GetAdditionalFields(loggingEvent);
string gelfJsonString = new GelfJsonBuilder().BuildFromLoggingEvent(
gelfMessage, additionalFields);
if (UseUdpTransport)
{
SendGelfMessageToGrayLog(gelfJsonString);
}
else
{
SendAmqpMessageToGrayLog(gelfJsonString);
}
}
internal String BuildFromLoggingEvent(
String message, log4net.Core.LoggingEvent loggingEvent, String hostName, String facility,
Boolean isConfiguredToIncludeLocationInformation, Dictionary<String, String> innerAdditionalFields)
{
var fullMessage = GetFullMessage( message, loggingEvent );
var gelfMessage = new GelfMessage
{
Facility = (facility ?? "GELF"),
File =
isConfiguredToIncludeLocationInformation ? loggingEvent.LocationInformation.FileName : String.Empty,
FullMesage = fullMessage,
Host = hostName,
Level = GetSyslogSeverity( loggingEvent.Level ),
Line =
isConfiguredToIncludeLocationInformation
? loggingEvent.LocationInformation.LineNumber
: String.Empty,
ShortMessage = GetShortMessage( fullMessage ),
TimeStamp = GetUnixTimestamp( loggingEvent.TimeStamp ),
Version = GELF_VERSION,
};
return GetGelfJsonMessage( loggingEvent, innerAdditionalFields, gelfMessage );
}
internal string BuildFromLoggingEvent(log4net.Core.LoggingEvent loggingEvent, string hostName, string facility, bool isConfiguredToIncludeLocationInformation, Dictionary <string, string> innerAdditionalFields)
{
var fullMessage = GetFullMessage(loggingEvent);
var gelfMessage = new GelfMessage
{
Facility = (facility ?? "GELF"),
File = "",
FullMesage = fullMessage,
Host = hostName,
Level = GetSyslogSeverity(loggingEvent.Level),
Line = "",
ShortMessage = GetShortMessage(fullMessage),
TimeStamp = loggingEvent.TimeStamp,
Version = GELF_VERSION,
};
if (isConfiguredToIncludeLocationInformation)
{
gelfMessage.File = loggingEvent.LocationInformation.FileName;
gelfMessage.Line = loggingEvent.LocationInformation.LineNumber;
}
return(GetGelfJsonMessage(loggingEvent, innerAdditionalFields, gelfMessage));
}
internal string BuildFromLoggingEvent(string message, LoggingEvent loggingEvent, string hostName, string facility, bool isConfiguredToIncludeLocationInformation, Dictionary<string, string> innerAdditionalFields)
{
var fullMessage = GetFullMessage(message, loggingEvent);
var gelfMessage = new GelfMessage
{
Facility = (facility ?? "GELF"),
File = "",
FullMesage = fullMessage,
Host = hostName,
Level = SeverityLevelConverter.LogLevelSeverityToSysLogLevelSeverity(loggingEvent.Level),
Line = "",
ShortMessage = GetShortMessage(fullMessage),
TimeStamp = loggingEvent.TimeStamp,
Version = GELF_VERSION,
};
if (isConfiguredToIncludeLocationInformation && loggingEvent.LocationInformation != null)
{
gelfMessage.File = loggingEvent.LocationInformation.FileName;
gelfMessage.Line = loggingEvent.LocationInformation.LineNumber;
}
return GetGelfJsonMessage(loggingEvent, innerAdditionalFields, gelfMessage);
}
private String GetGelfJsonMessage(
log4net.Core.LoggingEvent loggingEvent, Dictionary<String, String> innerAdditionalFields,
GelfMessage gelfMessage)
{
var gelfJsonMessage = JsonConvert.SerializeObject( gelfMessage );
var jsonObject = JObject.Parse( gelfJsonMessage );
AddInnerAdditionalFields( jsonObject, innerAdditionalFields );
AddLoggingEventAdditionalFields( jsonObject, loggingEvent );
return jsonObject.ToString();
}
private string GetGelfJsonMessage(log4net.Core.LoggingEvent loggingEvent, Dictionary <string, string> innerAdditionalFields, GelfMessage gelfMessage)
{
var gelfJsonMessage = JsonConvert.SerializeObject(gelfMessage);
var jsonObject = JObject.Parse(gelfJsonMessage);
AddInnerAdditionalFields(jsonObject, innerAdditionalFields);
AddLoggingEventAdditionalFields(jsonObject, loggingEvent);
return(jsonObject.ToString());
}
/// <summary>
/// Get a GelfMessage with info about logging event.
/// </summary>
/// <param name="loggingEvent">Logging event</param>
/// <returns>GelfMessage</returns>
protected virtual GelfMessage GetGelfMessage(LoggingEvent loggingEvent)
{
var fullMessage = GetFullMessage(loggingEvent);
var gelfMessage = new GelfMessage
{
Facility = Facility ?? "GELF",
File = string.Empty,
FullMesage = fullMessage,
Host = this.GetLoggingHostName(),
Level = this.GetSyslogSeverity(loggingEvent.Level),
Line = 0,
ShortMessage = this.GetShortMessage(fullMessage, loggingEvent),
TimeStamp = loggingEvent.TimeStamp,
Version = GELF_VERSION,
};
if (this.IncludeLocationInformation)
{
gelfMessage.File = loggingEvent.LocationInformation.FileName;
int line = 0;
int.TryParse(loggingEvent.LocationInformation.LineNumber, out line);
gelfMessage.Line = line;
}
return gelfMessage;
}
/// <summary>
/// Creates the JSON String for a given <code>LoggingEvent</code>.
/// The "short_message" of the GELF message is max 50 chars long.
/// Message building and skipping of additional fields etc is based on
/// https://github.com/Graylog2/graylog2-docs/wiki/GELF from Jan 7th 2011.
/// </summary>
/// <param name="loggingEvent"> The logging event to base the JSON creation on</param>
/// <returns>GelfMessage as JSON</returns>
private string CreateGelfJsonFromLoggingEvent(log4net.Core.LoggingEvent loggingEvent)
{
var fullMessage = loggingEvent.RenderedMessage;
if (loggingEvent.ExceptionObject != null)
{
fullMessage = String.Format("{0} - {1}. {2}. {3}.", fullMessage, loggingEvent.ExceptionObject.Source, loggingEvent.ExceptionObject.Message, loggingEvent.ExceptionObject.StackTrace);
}
var shortMessage = fullMessage;
if (shortMessage.Length > SHORT_MESSAGE_LENGTH)
{
shortMessage = shortMessage.Substring(0, SHORT_MESSAGE_LENGTH - 1);
}
var gelfMessage = new GelfMessage
{
Facility = (this.Facility ?? "GELF"),
File = "",
FullMesage = fullMessage,
Host = LoggingHostName,
Level = GetSyslogSeverity(loggingEvent.Level),
Line = "",
ShortMessage = shortMessage,
TimeStamp = loggingEvent.TimeStamp,
Version = GELF_VERSION
};
//only set location information if configured
if (IncludeLocationInformation)
{
gelfMessage.File = loggingEvent.LocationInformation.FileName;
gelfMessage.Line = loggingEvent.LocationInformation.LineNumber;
}
var gelfJsonMessage = JsonConvert.SerializeObject(gelfMessage);
var jsonObject = JObject.Parse(gelfJsonMessage);
//add additional fields and prepend with _ if not present already
if (innerAdditionalFields != null)
{
foreach (var item in innerAdditionalFields)
{
AddAdditionalFields(item.Key, item.Value, jsonObject);
}
}
//add additional fields and prepend with _ if not present already
if (loggingEvent.Properties != null)
{
foreach (DictionaryEntry item in loggingEvent.Properties)
{
var key = item.Key as string;
if (key != null)
{
AddAdditionalFields(key, item.Value as string, jsonObject);
}
}
}
return jsonObject.ToString();
}
