/// <summary>
/// Creates a client-side HTTP request activity.
/// </summary>
/// <param name="method">A HTTP method of a request.</param>
/// <param name="uri">A HTTP uri of a request.</param>
/// <returns>A new instance of <see cref="ClientRequestActivity"/>.</returns>
public static ClientRequestActivity Create(string method, Uri uri)
{
if (string.IsNullOrWhiteSpace(method))
{
throw new ArgumentNullException(nameof(method));
}
if (uri == null)
{
throw new ArgumentNullException(nameof(uri));
}
ClientRequestActivity context = new ClientRequestActivity();
if (context._relatedActivityId == Guid.Empty)
{
Log.Send(context._activityId, method, uri.ToString());
}
else
{
Log.BeginTransfer(context._relatedActivityId);
Log.Send(context._activityId, method, uri.ToString());
Log.EndTransfer(context._activityId, context._relatedActivityId);
}
return(context);
}
/// <inheritdoc/>
protected override async Task <HttpResponseMessage> SendAsync(HttpRequestMessage request,
CancellationToken cancellationToken)
{
if (request == null)
{
throw new ArgumentNullException(nameof(request));
}
HttpResponseMessage response = null;
string method = request.Method.Method;
using (ClientRequestActivity activity = ClientRequestActivity.Create(method, request.RequestUri))
{
request.Headers.Add(MessageHeaderKeys.ActivityId, activity.Id.ToString("N"));
response = await base.SendAsync(request, cancellationToken).ConfigureAwait(false);
// todo: user id resolver
activity.SetResponse((int)response.StatusCode, Guid.Empty);
}
return(response);
}