/// <summary>
/// Writes a log entry.
/// </summary>
/// <typeparam name="TState">State being passed along.</typeparam>
/// <param name="logLevel">Entry will be written on this level.</param>
/// <param name="eventId">Id of the event.</param>
/// <param name="state">The entry to be written. Can be also an object.</param>
/// <param name="exception">The exception related to this entry.</param>
/// <param name="formatter">Function to create a <c>string</c> message of the <paramref name="state" /> and <paramref name="exception" />.</param>
public void Log <TState>(LogLevel logLevel, EventId eventId, TState state, Exception exception, Func <TState, Exception, string> formatter)
{
if (this.IsEnabled(logLevel))
{
if (exception == null || !this.applicationInsightsLoggerOptions.TrackExceptionsAsExceptionTelemetry)
{
TraceTelemetry traceTelemetry = new TraceTelemetry(
formatter(state, exception),
ApplicationInsightsLogger.GetSeverityLevel(logLevel));
this.PopulateTelemetry(traceTelemetry, state, eventId);
this.telemetryClient.TrackTrace(traceTelemetry);
}
else
{
ExceptionTelemetry exceptionTelemetry = new ExceptionTelemetry(exception)
{
Message = formatter(state, exception),
SeverityLevel = ApplicationInsightsLogger.GetSeverityLevel(logLevel),
};
this.PopulateTelemetry(exceptionTelemetry, state, eventId);
this.telemetryClient.TrackException(exceptionTelemetry);
}
}
}
/// <summary>
/// Writes a log entry.
/// </summary>
/// <typeparam name="TState">State being passed along.</typeparam>
/// <param name="logLevel">Entry will be written on this level.</param>
/// <param name="eventId">Id of the event.</param>
/// <param name="state">The entry to be written. Can be also an object.</param>
/// <param name="exception">The exception related to this entry.</param>
/// <param name="formatter">Function to create a <c>string</c> message of the <paramref name="state" /> and <paramref name="exception" />.</param>
public void Log <TState>(LogLevel logLevel, EventId eventId, TState state, Exception exception, Func <TState, Exception, string> formatter)
{
if (formatter == null)
{
throw new ArgumentNullException(nameof(formatter));
}
try
{
if (this.IsEnabled(logLevel))
{
if (exception == null || !this.applicationInsightsLoggerOptions.TrackExceptionsAsExceptionTelemetry)
{
TraceTelemetry traceTelemetry = new TraceTelemetry(
formatter(state, exception),
ApplicationInsightsLogger.GetSeverityLevel(logLevel));
this.PopulateTelemetry(traceTelemetry, state, eventId);
if (exception != null)
{
traceTelemetry.Properties.Add("ExceptionMessage", exception.Message);
traceTelemetry.Properties.Add("ExceptionStackTrace", exception.ToInvariantString());
}
this.telemetryClient.TrackTrace(traceTelemetry);
}
else
{
ExceptionTelemetry exceptionTelemetry = new ExceptionTelemetry(exception)
{
Message = exception.Message,
SeverityLevel = ApplicationInsightsLogger.GetSeverityLevel(logLevel),
};
exceptionTelemetry.Properties.Add("FormattedMessage", formatter(state, exception));
this.PopulateTelemetry(exceptionTelemetry, state, eventId);
this.telemetryClient.TrackException(exceptionTelemetry);
}
}
}
catch (Exception ex)
{
ApplicationInsightsLoggerEventSource.Log.FailedToLog(ex.ToInvariantString());
}
}