/// <summary>
/// Gets the meta data.
/// </summary>
/// <returns></returns>
private HttpEventCollectorEventInfo.Metadata GetMetaData(string index, string source, string sourcetype)
{
var hostName = _hostName ?? (_hostName = GetMachineName());
if (!_metaData.TryGetValue(source ?? string.Empty, out var metaData))
{
if (_metaData.Count > 1000)
_metaData.Clear(); // Extreme case that should never happen
metaData = new HttpEventCollectorEventInfo.Metadata(string.IsNullOrEmpty(index) ? null : index, string.IsNullOrEmpty(source) ? null : source, sourcetype, hostName);
_metaData[source ?? string.Empty] = metaData;
}
return metaData;
}
/// <summary>
/// Gets the meta data.
/// </summary>
/// <param name="loggerName">Name of the logger.</param>
/// <returns></returns>
private HttpEventCollectorEventInfo.Metadata GetMetaData(string loggerName)
{
var hostName = _hostName ?? (_hostName = GetMachineName());
if (!_metaData.TryGetValue(loggerName ?? string.Empty, out var metaData))
{
if (_metaData.Count > 1000)
{
_metaData.Clear(); // Extreme case that should never happen
}
metaData = new HttpEventCollectorEventInfo.Metadata(null, string.IsNullOrEmpty(loggerName) ? null : loggerName, "_json", hostName);
_metaData[loggerName ?? string.Empty] = metaData;
}
return(metaData);
}
protected override void Write(LogEventInfo logEventInfo)
{
// Sanity check for LogEventInfo
if (logEventInfo == null)
{
throw new ArgumentNullException(nameof(logEventInfo));
}
// Make sure we have a properly setup HttpEventCollectorSender
if (_hecSender == null)
{
throw new NLogRuntimeException("SplunkHttpEventCollector SendEventToServer() called before InitializeTarget()");
}
// Build metaData
var metaData = new HttpEventCollectorEventInfo.Metadata(Index, (Source ?? logEventInfo.LoggerName), (SourceType ?? logEventInfo.LoggerName), GetMachineName());
// Build properties object and add standard values
var properties = new Dictionary <String, object>
{
{ "Source", (Source ?? logEventInfo.LoggerName) },
{ "SourceType", (SourceType ?? logEventInfo.LoggerName) },
{ "Host", GetMachineName() }
};
// add attached properties
if (logEventInfo.HasProperties)
{
foreach (var key in logEventInfo.Properties.Keys)
{
properties.Add(key.ToString(), logEventInfo.Properties[key]);
}
}
// add parameters
if (logEventInfo.Parameters != null && logEventInfo.Parameters.Length > 0)
{
for (int i = 0; i < logEventInfo.Parameters.Length; i++)
{
properties.Add("{" + i + "}", logEventInfo.Parameters[i]);
}
}
// Send the event to splunk
_hecSender.Send(null, logEventInfo.Level.Name, logEventInfo.Message, logEventInfo.FormattedMessage, logEventInfo.Exception, properties, metaData);
_hecSender.FlushSync();
}
protected override void Append(LoggingEvent loggingEvent)
{
if (loggingEvent == null)
{
throw new ArgumentNullException(nameof(loggingEvent));
}
if (_hecSender == null)
{
throw new Exception("SplunkHttpEventCollector Append() called before ActivateOptions()");
}
var metaData = new HttpEventCollectorEventInfo.Metadata(
Index,
loggingEvent.LoggerName,
"_json",
GetMachineName()
);
var properties = new Dictionary <String, object>
{
{ "Source", loggingEvent.LoggerName }, { "Host", GetMachineName() }
};
if (loggingEvent.Properties != null && loggingEvent.Properties.Count > 0)
{
foreach (var key in loggingEvent.Properties.GetKeys())
{
properties.Add(key, loggingEvent.Properties[key]);
}
}
_hecSender.Send(
loggingEvent.TimeStampUtc,
null,
loggingEvent.Level.Name,
null,
loggingEvent.RenderedMessage,
loggingEvent.ExceptionObject,
properties,
metaData
);
_hecSender.FlushSync();
}
/// <summary>
/// Method used by log4net to perform actual logging
/// </summary>
/// <param name="loggingEvent"></param>
protected override void Append(LoggingEvent loggingEvent)
{
// Sanity check for LogEventInfo
if (loggingEvent == null)
{
throw new ArgumentNullException(nameof(loggingEvent));
}
// Make sure we have a properly setup HttpEventCollectorSender
if (_hecSender == null)
{
throw new Exception("SplunkHttpEventCollector Append() called before ActivateOptions()");
}
// Build metaData
var metaData = new HttpEventCollectorEventInfo.Metadata(Index, loggingEvent.LoggerName, "_json", GetMachineName());
// Build properties object and assign standard values
var properties = new Dictionary <String, object>
{
{ "Source", loggingEvent.LoggerName },
{ "Host", GetMachineName() }
};
// Get properties from event
if (loggingEvent.Properties != null && loggingEvent.Properties.Count > 0)
{
foreach (var key in loggingEvent.Properties.GetKeys())
{
properties.Add(key, loggingEvent.Properties[key]);
}
}
// Send the event to splunk
_hecSender.Send(loggingEvent.TimeStampUtc, null, loggingEvent.Level.Name, null, loggingEvent.RenderedMessage, loggingEvent.ExceptionObject, properties, metaData);
// the sync waiting will lock the code execution and break batch processing
//_hecSender.FlushSync();
}
/// <summary>
///
/// </summary>
/// <param name="loggingEvent"></param>
private void SendEventToServer(LoggingEvent loggingEvent)
{
// Sanity check for LogEventInfo
if (loggingEvent == null)
{
throw new ArgumentNullException(nameof(loggingEvent));
}
// Make sure we have a properly setup HttpEventCollectorSender
if (_hecSender == null)
{
throw new Exception("SplunkHttpEventCollector SendEventToServer() called before InitializeTarget()");
}
// Build metaData
var metaData = new HttpEventCollectorEventInfo.Metadata(null, loggingEvent.LoggerName, SourceType, GetMachineName());
// Build properties object
var properties = new Dictionary <String, object>();
// Add standard values to properties
properties.Add("Source", loggingEvent.LoggerName);
properties.Add("Host", GetMachineName());
// Get properties from event
if (loggingEvent.Properties != null && loggingEvent.Properties.Count > 0)
{
foreach (var key in loggingEvent.Properties.GetKeys())
{
properties.Add(key, loggingEvent.Properties[key]);
}
}
// Send the event to splunk
_hecSender.Send(null, loggingEvent.Level.Name, null, loggingEvent.RenderedMessage, loggingEvent.ExceptionObject, properties, metaData);
_hecSender.FlushSync();
}
