private static void AddResponseTags(HttpWebResponse response, Activity activity)
{
activity.SetCustomProperty("HttpWebRequest.Response", response);
if (activity.IsAllDataRequested)
{
activity.AddTag(SemanticConventions.AttributeHttpStatusCode, HttpTagHelper.GetStatusCodeTagValueFromHttpStatusCode(response.StatusCode));
activity.SetStatus(
SpanHelper
.ResolveSpanStatusForHttpStatusCode((int)response.StatusCode)
.WithDescription(response.StatusDescription));
}
}
public override void OnStopActivity(Activity activity, object payload)
{
if (activity.IsAllDataRequested)
{
var requestTaskStatus = this.stopRequestStatusFetcher.Fetch(payload) as TaskStatus?;
if (requestTaskStatus.HasValue)
{
if (requestTaskStatus != TaskStatus.RanToCompletion)
{
if (requestTaskStatus == TaskStatus.Canceled)
{
activity.SetStatus(Status.Cancelled);
}
else if (requestTaskStatus != TaskStatus.Faulted)
{
// Faults are handled in OnException and should already have a span.Status of Unknown w/ Description.
activity.SetStatus(Status.Unknown);
}
}
}
if (this.stopResponseFetcher.Fetch(payload) is HttpResponseMessage response)
{
// response could be null for DNS issues, timeouts, etc...
activity.SetTag(SemanticConventions.AttributeHttpStatusCode, HttpTagHelper.GetStatusCodeTagValueFromHttpStatusCode(response.StatusCode));
activity.SetStatus(
SpanHelper
.ResolveSpanStatusForHttpStatusCode((int)response.StatusCode)
.WithDescription(response.ReasonPhrase));
}
}
this.activitySource.Stop(activity);
}
private static void AddExceptionTags(Exception exception, Activity activity)
{
activity.SetCustomProperty("HttpWebRequest.Exception", exception);
if (!activity.IsAllDataRequested)
{
return;
}
Status status;
if (exception is WebException wexc)
{
if (wexc.Response is HttpWebResponse response)
{
activity.AddTag(SemanticConventions.AttributeHttpStatusCode, HttpTagHelper.GetStatusCodeTagValueFromHttpStatusCode(response.StatusCode));
status = SpanHelper.ResolveSpanStatusForHttpStatusCode((int)response.StatusCode).WithDescription(response.StatusDescription);
}
else
{
switch (wexc.Status)
{
case WebExceptionStatus.Timeout:
status = Status.DeadlineExceeded;
break;
case WebExceptionStatus.NameResolutionFailure:
status = Status.InvalidArgument.WithDescription(exception.Message);
break;
case WebExceptionStatus.SendFailure:
case WebExceptionStatus.ConnectFailure:
case WebExceptionStatus.SecureChannelFailure:
case WebExceptionStatus.TrustFailure:
status = Status.FailedPrecondition.WithDescription(exception.Message);
break;
case WebExceptionStatus.ServerProtocolViolation:
status = Status.Unimplemented.WithDescription(exception.Message);
break;
case WebExceptionStatus.RequestCanceled:
status = Status.Cancelled;
break;
case WebExceptionStatus.MessageLengthLimitExceeded:
status = Status.ResourceExhausted.WithDescription(exception.Message);
break;
default:
status = Status.Unknown.WithDescription(exception.Message);
break;
}
}
}
else
{
status = Status.Unknown.WithDescription(exception.Message);
}
activity.SetStatus(status);
}