private async Task<CacheContent> CloneAsync(CacheContent cacheContent)
{
var newResponse = new HttpResponseMessage(cacheContent.Response.StatusCode);
var ms = new MemoryStream();
foreach (var v in cacheContent.Response.Headers) newResponse.Headers.TryAddWithoutValidation(v.Key, v.Value);
if (cacheContent.Response.Content != null)
{
await cacheContent.Response.Content.CopyToAsync(ms).ConfigureAwait(false);
ms.Position = 0;
newResponse.Content = new StreamContent(ms);
foreach (var v in cacheContent.Response.Content.Headers) newResponse.Content.Headers.TryAddWithoutValidation(v.Key, v.Value);
}
var newContent = new CacheContent()
{
CacheEntry = cacheContent.CacheEntry,
Key = cacheContent.Key,
Expires = cacheContent.Expires,
HasValidator = cacheContent.HasValidator,
CacheControl = cacheContent.CacheControl,
Response = newResponse
};
return newContent;
}
public async Task UpdateEntryAsync(CacheContent content)
{
CacheEntry entry = content.CacheEntry;
InMemoryCacheEntry inMemoryCacheEntry = null;
if (!_responseCache.ContainsKey(entry.Key))
{
inMemoryCacheEntry = new InMemoryCacheEntry(entry);
lock (syncRoot)
{
_responseCache[entry.Key] = inMemoryCacheEntry;
}
}
else
{
inMemoryCacheEntry = _responseCache[entry.Key];
}
var newContent = await CloneAsync(content);
lock (syncRoot)
{
inMemoryCacheEntry.Responses[content.Key] = newContent;
}
}
public async Task UpdateEntryAsync(CacheContent content)
{
CacheEntry entry = content.CacheEntry;
InMemoryCacheEntry inMemoryCacheEntry = null;
if (!_responseCache.ContainsKey(entry.Key))
{
inMemoryCacheEntry = new InMemoryCacheEntry(entry);
lock (syncRoot)
{
_responseCache[entry.Key] = inMemoryCacheEntry;
}
}
else
{
inMemoryCacheEntry = _responseCache[entry.Key];
}
var newContent = await CloneAsync(content);
lock (syncRoot)
{
inMemoryCacheEntry.Responses[content.Key] = newContent;
}
}
public static CacheQueryResult ReturnStored(CacheContent cacheContent)
{
return new CacheQueryResult()
{
Status = CacheStatus.ReturnStored,
SelectedVariant = cacheContent
};
}
public static CacheQueryResult Revalidate(CacheContent cacheContent)
{
return new CacheQueryResult()
{
Status = CacheStatus.Revalidate,
SelectedVariant = cacheContent
};
}
public static CacheQueryResult ReturnStored(CacheContent cacheContent)
{
return(new CacheQueryResult()
{
Status = CacheStatus.ReturnStored,
SelectedVariant = cacheContent
});
}
public static CacheQueryResult Revalidate(CacheContent cacheContent)
{
return(new CacheQueryResult()
{
Status = CacheStatus.Revalidate,
SelectedVariant = cacheContent
});
}
private async Task <CacheContent> CloneAsync(CacheContent cacheContent)
{
var newResponse = new HttpResponseMessage(cacheContent.Response.StatusCode);
var ms = new MemoryStream();
foreach (var v in cacheContent.Response.Headers)
{
newResponse.Headers.TryAddWithoutValidation(v.Key, v.Value);
}
if (cacheContent.Response.Content != null)
{
await cacheContent.Response.Content.CopyToAsync(ms).ConfigureAwait(false);
ms.Position = 0;
newResponse.Content = new StreamContent(ms);
foreach (var v in cacheContent.Response.Content.Headers)
{
newResponse.Content.Headers.TryAddWithoutValidation(v.Key, v.Value);
}
}
var newContent = new CacheContent()
{
CacheEntry = cacheContent.CacheEntry,
Key = cacheContent.Key,
Expires = cacheContent.Expires,
HasValidator = cacheContent.HasValidator,
CacheControl = cacheContent.CacheControl,
Response = newResponse
};
return(newContent);
}
public async Task UpdateContentAsync(HttpResponseMessage notModifiedResponse, CacheContent cacheContent)
{
var newExpires = HttpCache.GetExpireDate(notModifiedResponse);
if (newExpires > cacheContent.Expires)
{
cacheContent.Expires = newExpires;
}
//TODO Copy headers from notModifiedResponse to cacheContent
await _contentStore.UpdateEntryAsync(cacheContent);
}
public async Task UpdateContentAsync(HttpResponseMessage notModifiedResponse, CacheContent cacheContent)
{
var newExpires = HttpCache.GetExpireDate(notModifiedResponse);
if (newExpires > cacheContent.Expires)
{
cacheContent.Expires = newExpires;
}
//TODO Copy headers from notModifiedResponse to cacheContent
await _contentStore.UpdateEntryAsync(cacheContent);
}
