/// <summary>
/// Send the request
/// </summary>
/// <param name="request">Request</param>
/// <param name="cancellationToken">Cancellation token</param>
/// <returns>HttpResponseMessage</returns>
protected override async Task <HttpResponseMessage> SendAsync(
HttpRequestMessage request,
CancellationToken cancellationToken)
{
const int Zero = 0;
var isRetryTimesHeaderSet = request.Headers.TryGetValues(CustomHttpHeaderFactory.RetryTimes, out IEnumerable <string> retryTimesValues);
var isRequestCacheIdHeaderSet = request.Headers.TryGetValues(CustomHttpHeaderFactory.RequestCacheId, out IEnumerable <string> requestCacheIdValues);
// Add header: Retry-Times
if (!isRetryTimesHeaderSet || retryTimesValues.Count() > 1)
{
request.Headers.Remove(CustomHttpHeaderFactory.RetryTimes);
request.Headers.Add(CustomHttpHeaderFactory.RetryTimes, Zero.ToString());
}
// Add header: Request-Cache-Id
if (!isRequestCacheIdHeaderSet || requestCacheIdValues.Count() > 1)
{
request.Headers.Remove(CustomHttpHeaderFactory.RequestCacheId);
request.Headers.Add(CustomHttpHeaderFactory.RequestCacheId, CacheKeyFactory.GetKeyRequestCache());
}
// base.SendAsync calls the inner handler
var response = await base.SendAsync(request, cancellationToken);
return(response);
}