/// <summary>
/// OnMethodBegin callback
/// </summary>
/// <typeparam name="TTarget">Type of the target</typeparam>
/// <param name="instance">Instance value, aka `this` of the instrumented method.</param>
/// <param name="instanceArg">RequestContext instance</param>
/// <param name="inputs">Input arguments</param>
/// <returns>Calltarget state value</returns>
internal static CallTargetState OnMethodBegin <TTarget>(TTarget instance, object instanceArg, object[] inputs)
{
// TODO Just use the OperationContext.Current object to get the span information
// context.IncomingMessageHeaders contains:
// - Action
// - To
//
// context.IncomingMessageProperties contains:
// - ["httpRequest"] key to find distributed tracing headers
if (!Tracer.Instance.Settings.IsIntegrationEnabled(WcfCommon.IntegrationId) || !Tracer.Instance.Settings.DelayWcfInstrumentationEnabled || WcfCommon.GetCurrentOperationContext is null)
{
return(CallTargetState.GetDefault());
}
var operationContext = WcfCommon.GetCurrentOperationContext();
if (operationContext != null && operationContext.TryDuckCast <IOperationContextStruct>(out var operationContextProxy))
{
return(new CallTargetState(WcfCommon.CreateScope(operationContextProxy.RequestContext)));
}
else
{
return(CallTargetState.GetDefault());
}
}
/// <summary>
/// OnMethodBegin callback
/// </summary>
/// <typeparam name="TTarget">Type of the target</typeparam>
/// <typeparam name="TRequestContext">Type of the request context</typeparam>
/// <typeparam name="TOperationContext">Type of the operation context</typeparam>
/// <param name="instance">Instance value, aka `this` of the instrumented method.</param>
/// <param name="request">RequestContext instance</param>
/// <param name="currentOperationContext">OperationContext instance</param>
/// <returns>Calltarget state value</returns>
internal static CallTargetState OnMethodBegin <TTarget, TRequestContext, TOperationContext>(TTarget instance, TRequestContext request, TOperationContext currentOperationContext)
where TRequestContext : IRequestContext, IDuckType
{
if (Tracer.Instance.Settings.DelayWcfInstrumentationEnabled || request.Instance is null)
{
return(CallTargetState.GetDefault());
}
return(new CallTargetState(WcfCommon.CreateScope(request)));
}
