public void BeginRequest(HttpContext httpContext, HostingApplication.Context context)
{
if (httpContext.Request.Headers.ContainsKey(CorrelationVectorPropagationDelegates.HeaderName))
{
httpContext.SetCorrelationVector(
CorrelationVector.Extend(httpContext.Request.Headers[CorrelationVectorPropagationDelegates.HeaderName][0]));
}
}
public static Task <HttpResponseMessage> SendAsync(
this HttpClient httpClient,
CorrelationVector correlationVector,
HttpRequestMessage requestMessage)
{
requestMessage.Properties.Add(
CorrelationVectorPropagationDelegates.HttpRequestMessagePropertyName,
correlationVector);
return(httpClient.SendAsync(requestMessage));
}
public static void FromHttpRequestMessageProperty(HttpRequestMessage requestMessage)
{
if (requestMessage.Properties.ContainsKey(HttpRequestMessagePropertyName))
{
CorrelationVector correlationVector =
requestMessage.Properties[HttpRequestMessagePropertyName] as CorrelationVector;
if (correlationVector != null)
{
requestMessage.Headers.Add(HeaderName, correlationVector.Increment());
}
}
}
public override void ActivityStarted()
{
CorrelationVectorExtension parentExtension =
Activity.Parent?.GetActivityExtension <CorrelationVectorExtension>();
if (!string.IsNullOrEmpty(_externalCorrelationVectorParent))
{
this.CorrelationVector = CorrelationVector.Extend(_externalCorrelationVectorParent);
}
else if (parentExtension != null)
{
this.CorrelationVector = parentExtension.CorrelationVector;
}
else
{
this.CorrelationVector = new CorrelationVector();
}
}
public static void SetCorrelationVector(this HttpContext httpContext, CorrelationVector correlationVector)
{
httpContext.Items.Add(typeof(CorrelationVector), correlationVector);
}
