async Task RenderNow(ICommunicationContext context, PipelineStage stage)
{
PipelineLog.WriteDebug("Pipeline is in RenderNow mode.");
if (!stage.ResumeFrom <KnownStages.IOperationResultInvocation>())
{
if (stage.OwnerStage != null)
{
PipelineLog.WriteError("Trying to launch nested pipeline to render error failed.");
AttemptCatastrophicErrorNotification(context);
return;
}
using (
PipelineLog.Operation(this,
"Rendering contributor has already been executed. Calling a nested pipeline to render the error."))
{
var nestedPipeline = new PipelineStage(this, stage);
if (!nestedPipeline.ResumeFrom <KnownStages.IOperationResultInvocation>())
{
throw new InvalidOperationException("Could not find an IOperationResultInvocation in the new pipeline.");
}
await RunCallGraph(context, nestedPipeline);
}
}
}
protected virtual void AbortPipeline(ICommunicationContext context)
{
PipelineLog.WriteError("Aborting the pipeline and rendering the errors.");
context.OperationResult = new OperationResult.InternalServerError
{
Title = "The request could not be processed because of a fatal error. See log below.",
ResponseResource = context.ServerErrors
};
context.PipelineData.ResponseCodec = null;
context.Response.Entity.Instance = context.ServerErrors;
context.Response.Entity.Codec = null;
context.Response.Entity.ContentLength = null;
Log.WriteError("An error has occurred and the processing of the request has stopped.\r\n{0}", context.ServerErrors.Aggregate(string.Empty, (str, error) => str + "\r\n" + error.ToString()));
}
