public async override Task Invoke(IOwinContext context)
{
var serviceDetails = string.Format("{0}/{1}/{2}",
_serviceContext != null ? _serviceContext.ServiceName.ToString() : "ServiceContext is null",
_serviceContext != null ? _serviceContext.PartitionId : Guid.Empty,
_serviceContext != null ? (_serviceContext as StatelessServiceContext).InstanceId : 0);
// For end-to-end tracing we can also generate the CorrelationId in the web app, pass it in header and extract it here.
//Putting check to generate New ID only when its not coming from UI
var correlationId = string.Empty;
if (HttpContext.Current != null)
{
correlationId = HttpContext.Current.Request.Headers["UspCorrelationId"];
}
if (string.IsNullOrWhiteSpace(correlationId))
{
ServiceTracingContext.CreateRequestCorrelationId();
ServiceEventSource.Current.Message("New USPCorrelationId is created " + ServiceTracingContext.GetRequestCorrelationId());
}
else
{
ServiceTracingContext.SetRequestCorrelationId(correlationId);
}
ServiceTracingContext.SetRequestServiceDetails(serviceDetails);
await Next.Invoke(context);
}
/// <summary>
/// RetrieveCorrelationInfo
/// </summary>
/// <returns></returns>
public static string RetrieveCorrelationInfo()
{
var correlationId = ServiceTracingContext.GetRequestCorrelationId();
UpdateCallContext(correlationId);
return(correlationId);
}