/// <summary>
/// Composes the rolbar package.
/// </summary>
/// <typeparam name="TState">The type of the t state.</typeparam>
/// <param name="eventId">The event identifier.</param>
/// <param name="state">The state.</param>
/// <param name="exception">The exception.</param>
/// <param name="formatter">The formatter.</param>
/// <returns>IRollbarPackage (if any) or null.</returns>
protected override IRollbarPackage ComposeRolbarPackage <TState>(
mslogging.EventId eventId,
TState state,
Exception exception,
Func <TState, Exception, string> formatter
)
{
IRollbarPackage package = base.ComposeRolbarPackage(eventId, state, exception, formatter);
var currentContext = GetCurrentContext();
if (currentContext != null)
{
package = new RollbarHttpContextPackageDecorator(package, currentContext, true);
}
return(package);
}
/// <summary>
/// Writes a log entry.
/// </summary>
/// <typeparam name="TState"></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>(
mslogging.LogLevel logLevel
, mslogging.EventId eventId
, TState state
, Exception exception
, Func <TState, Exception, string> formatter
)
{
if (!this.IsEnabled(logLevel))
{
return;
}
if (object.Equals(state, default(TState)) && exception == null)
{
return;
}
if (RollbarScope.Current != null &&
RollbarLocator.RollbarInstance.Config.MaxItems > 0
)
{
RollbarScope.Current.IncrementLogItemsCount();
if (RollbarScope.Current.LogItemsCount == RollbarLocator.RollbarInstance.Config.MaxItems)
{
// the Rollbar SDK just reached MaxItems limit, report this fact and pause further logging within this scope:
RollbarLocator.RollbarInstance.Warning(RollbarScope.MaxItemsReachedWarning);
return;
}
else if (RollbarScope.Current.LogItemsCount > RollbarLocator.RollbarInstance.Config.MaxItems)
{
// the Rollbar SDK already exceeded MaxItems limit, do not log for this scope:
return;
}
}
// let's custom build the Data object that includes the exception
// along with the current HTTP request context:
string message = null;
if (formatter != null)
{
message = formatter(state, exception);
}
IRollbarPackage rollbarPackage = null;
if (exception != null)
{
rollbarPackage = new ExceptionPackage(exception, exception.Message);
}
else if (!string.IsNullOrWhiteSpace(message))
{
rollbarPackage = new MessagePackage(message, message);
}
else
{
return; //nothing to report...
}
Dictionary <string, object> customProperties = new Dictionary <string, object>();
customProperties.Add(
"LogEventID"
, $"{eventId.Id}" + (string.IsNullOrWhiteSpace(eventId.Name) ? string.Empty : $" ({eventId.Name})")
);
if (exception != null && message != null)
{
customProperties.Add("LogMessage", message);
}
if (customProperties.Count > 0)
{
rollbarPackage = new CustomKeyValuePackageDecorator(rollbarPackage, customProperties);
}
var currentContext = GetCurrentContext();
if (currentContext != null)
{
rollbarPackage = new RollbarHttpContextPackageDecorator(rollbarPackage, currentContext, true);
}
var rollbarErrorLevel = RollbarLogger.Convert(logLevel);
RollbarLocator.RollbarInstance.Log(rollbarErrorLevel, rollbarPackage);
}
