/// <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?ComposeRollbarPackage <TState>(
mslogging.EventId eventId,
TState state,
Exception exception,
Func <TState, Exception, string> formatter
)
{
IRollbarPackage?package = base.ComposeRollbarPackage(eventId, state, exception, formatter);
if (package != null)
{
var httpContext = _httpContextAccessor?.HttpContext;
if (httpContext != null)
{
if (httpContext.Request != null)
{
package = new HttpRequestPackageDecorator(package, httpContext.Request, true);
}
if (httpContext.Response != null)
{
package = new HttpResponsePackageDecorator(package, httpContext.Response, true);
}
}
}
return(package);
}
/// <summary>
/// Captures tha provided data with Rollbar.
/// </summary>
/// <param name="exception">
/// The ex.
/// </param>
/// <param name="context">
/// The context.
/// </param>
private static void CaptureWithRollbar(System.Exception exception, HttpContext context)
{
IRollbarPackage rollbarPackage = new ExceptionPackage(exception, $"{nameof(RollbarMiddleware)} processed uncaught exception.");
if (context != null)
{
if (context.Request != null)
{
rollbarPackage = new HttpRequestPackageDecorator(rollbarPackage, context.Request, true);
}
if (context.Response != null)
{
rollbarPackage = new HttpResponsePackageDecorator(rollbarPackage, context.Response, true);
}
}
RollbarLocator.RollbarInstance.Critical(rollbarPackage);
}
/// <summary>
/// Invokes this middleware instance on the specified context.
/// </summary>
/// <param name="context">The context.</param>
/// <returns>A middleware invocation/execution task.</returns>
public async Task Invoke(HttpContext context)
{
// as we learned from a field issue, apparently a middleware can even be invoked without a valid HttPContext:
string requestId = null;
requestId = context?.Features?
.Get <IHttpRequestIdentifierFeature>()?
.TraceIdentifier;
#if (NETSTANDARD2_1 || NETCOREAPP3_0)
context?.Request.EnableBuffering();
#else
context?.Request.EnableRewind();
#endif
using (_logger.BeginScope($"Request: {requestId ?? string.Empty}"))
{
NetworkTelemetry networkTelemetry = null;
try
{
if (TelemetryCollector.Instance.IsAutocollecting && context != null && context.Request != null)
{
int?telemetryStatusCode = null;
telemetryStatusCode = context?.Response?.StatusCode;
networkTelemetry = new NetworkTelemetry(
method: context.Request.Method,
url: context.Request.Host.Value + context.Request.Path,
eventStart: DateTime.UtcNow,
eventEnd: null,
statusCode: telemetryStatusCode
);
TelemetryCollector.Instance.Capture(new Telemetry(TelemetrySource.Server, TelemetryLevel.Info, networkTelemetry));
}
if (RollbarScope.Current != null && RollbarScope.Current.HttpContext != null)
{
RollbarScope.Current.HttpContext.HttpAttributes = new RollbarHttpAttributes(context);
}
await this._nextRequestProcessor(context);
}
catch (System.Exception ex)
{
if (networkTelemetry != null)
{
networkTelemetry.StatusCode =
context?.Response?.StatusCode.ToString();
networkTelemetry.FinalizeEvent();
}
if (!RollbarLocator.RollbarInstance.Config.CaptureUncaughtExceptions)
{
// just rethrow since the Rollbar SDK is configured not to auto-capture
// uncaught exceptions:
throw;
}
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);
throw;
}
else if (RollbarScope.Current.LogItemsCount > RollbarLocator.RollbarInstance.Config.MaxItems)
{
// just rethrow since the Rollbar SDK already exceeded MaxItems limit:
throw;
}
}
else
{
IRollbarPackage rollbarPackage = new ExceptionPackage(ex, $"{nameof(RollbarMiddleware)} processed uncaught exception.");
if (context != null)
{
if (context.Request != null)
{
rollbarPackage = new HttpRequestPackageDecorator(rollbarPackage, context.Request, true);
}
if (context.Response != null)
{
rollbarPackage = new HttpResponsePackageDecorator(rollbarPackage, context.Response, true);
}
}
RollbarLocator.RollbarInstance.Critical(rollbarPackage);
}
throw new RollbarMiddlewareException(ex);
}
finally
{
if (context != null &&
context.Response != null &&
RollbarScope.Current != null &&
RollbarScope.Current.HttpContext != null &&
RollbarScope.Current.HttpContext.HttpAttributes != null
)
{
RollbarScope.Current.HttpContext.HttpAttributes.ResponseStatusCode = context.Response.StatusCode;
}
if (networkTelemetry != null)
{
if (string.IsNullOrWhiteSpace(networkTelemetry.StatusCode))
{
networkTelemetry.StatusCode = context?.Response?.StatusCode.ToString();
}
networkTelemetry.FinalizeEvent();
}
}
}
}