internal static StoredHttpResponseMessage Create(HttpResponseMessage response, byte[] content)
{
var retval = new StoredHttpResponseMessage
{
Content = content,
StatusCode = response.StatusCode,
Version = response.Version?.ToString(),
};
if (response.Headers != null)
{
foreach (var header in response.Headers)
{
retval.Headers.Add(new Tuple <string, string[]>(header.Key, header.Value.ToArray()));
}
}
if (response.Content != null)
{
foreach (var cheader in response.Content?.Headers)
{
retval.ContentHeaders.Add(new Tuple <string, string[]>(cheader.Key, cheader.Value.ToArray()));
}
}
return(retval);
}
private async Task <HttpResponseMessage> HandleServerResponse(HttpRequestMessage request, HttpResponseMessage serverResponse, string cacheKey, StoredHttpResponseMessage storedCachedResponse, CacheStatus status)
{
if (serverResponse == null)
{
return(null);
}
var updatedCacheKey = _keyStrategy.GetCacheKey(request, serverResponse);
var wasRevalidated = status == CacheStatus.Revalidated;
var isResponseCacheable = IsResponseCacheable(serverResponse);
if (wasRevalidated)
{
if (serverResponse.StatusCode == HttpStatusCode.NotModified)
{
var cachedResponse = storedCachedResponse.CopyIntoResponseMessage(request);
cachedResponse.Headers.CacheControl = serverResponse.Headers.CacheControl;
cachedResponse.RequestMessage = request;
cachedResponse.Headers.Date = SystemClock.UtcNow;
_cache.Put(cacheKey, storedCachedResponse);
//We need to dispose the response from the server since we're not returning it and because of that the pipeline will not dispose it.
serverResponse.Dispose();
cachedResponse.Headers.AddClientCacheStatusHeader(status);
return(cachedResponse);
}
if (isResponseCacheable)
{
_cache.Remove(cacheKey);
var serializedResponse = await StoredHttpResponseMessage.Create(serverResponse).ConfigureAwait(false);
_cache.Put(updatedCacheKey, serializedResponse);
}
}
else if (isResponseCacheable)
{
var serializedResponse = await StoredHttpResponseMessage.Create(serverResponse).ConfigureAwait(false);
_cache.Put(updatedCacheKey, serializedResponse);
}
serverResponse.Headers.AddClientCacheStatusHeader(status);
return(serverResponse);
}
