/// <summary>
/// OnAsyncMethodEnd callback
/// </summary>
/// <typeparam name="TTarget">Type of the target</typeparam>
/// <typeparam name="TResponse">Type of the response, in an async scenario will be T of Task of T</typeparam>
/// <param name="instance">Instance value, aka `this` of the instrumented method.</param>
/// <param name="response">Response instance</param>
/// <param name="exception">Exception instance in case the original code threw an exception.</param>
/// <param name="state">Calltarget state value</param>
/// <returns>A response value, in an async scenario will be T of Task of T</returns>
public static TResponse OnAsyncMethodEnd <TTarget, TResponse>(TTarget instance, TResponse response, Exception exception, CallTargetState state)
where TResponse : IDeliveryResult
{
if (state.Scope?.Span?.Tags is KafkaTags tags)
{
IDeliveryResult deliveryResult = null;
if (exception is not null)
{
var produceException = exception.DuckAs <IProduceException>();
if (produceException is not null)
{
deliveryResult = produceException.DeliveryResult;
}
}
else if (response is not null)
{
deliveryResult = response;
}
if (deliveryResult is not null)
{
tags.Partition = deliveryResult.Partition.ToString();
tags.Offset = deliveryResult.Offset.ToString();
}
}
state.Scope.DisposeWithException(exception);
return(response);
}
/// <summary>
/// OnAsyncMethodEnd callback
/// </summary>
/// <typeparam name="TTarget">Type of the target</typeparam>
/// <typeparam name="TResponse">Type of the response, in an async scenario will be T of Task of T</typeparam>
/// <param name="instance">Instance value, aka `this` of the instrumented method.</param>
/// <param name="response">Response instance</param>
/// <param name="exception">Exception instance in case the original code threw an exception.</param>
/// <param name="state">Calltarget state value</param>
/// <returns>A response value, in an async scenario will be T of Task of T</returns>
public static TResponse OnAsyncMethodEnd <TTarget, TResponse>(TTarget instance, TResponse response, Exception exception, CallTargetState state)
where TResponse : IDeliveryResult
{
var span = state.Segment;
if (span is not null)
{
IDeliveryResult deliveryResult = null;
if (exception is not null)
{
span.CaptureException(exception);
var produceException = exception.DuckAs <IProduceException>();
if (produceException is not null)
{
deliveryResult = produceException.DeliveryResult;
}
}
else if (response is not null)
{
deliveryResult = response;
}
if (deliveryResult is not null)
{
span.SetLabel("partition", deliveryResult.Partition.ToString());
span.SetLabel("offset", deliveryResult.Offset.ToString());
}
span.End();
}
return(response);
}