void WebProcess::platformClearResourceCaches(ResourceCachesToClear cachesToClear)
{
#if USE(CFNETWORK)
if (cachesToClear == InMemoryResourceCachesOnly)
return;
RetainPtr<CFURLCacheRef> cache;
if (CFURLStorageSessionRef defaultStorageSession = ResourceHandle::defaultStorageSession())
cache.adoptCF(wkCopyURLCache(defaultStorageSession));
else
cache.adoptCF(CFURLCacheCopySharedURLCache());
CFURLCacheRemoveAllCachedResponses(cache.get());
#endif // USE(CFNETWORK)
}
void WebProcess::platformSetCacheModel(CacheModel cacheModel)
{
#if USE(CFNETWORK)
RetainPtr<CFStringRef> cfurlCacheDirectory;
#if USE(CFURLSTORAGESESSIONS)
if (CFURLStorageSessionRef defaultStorageSession = ResourceHandle::defaultStorageSession())
cfurlCacheDirectory.adoptCF(wkCopyFoundationCacheDirectory(defaultStorageSession));
else
#endif
cfurlCacheDirectory.adoptCF(wkCopyFoundationCacheDirectory(0));
if (!cfurlCacheDirectory)
cfurlCacheDirectory.adoptCF(WebCore::localUserSpecificStorageDirectory().createCFString());
// As a fudge factor, use 1000 instead of 1024, in case the reported byte
// count doesn't align exactly to a megabyte boundary.
uint64_t memSize = memorySize() / 1024 / 1000;
uint64_t diskFreeSize = volumeFreeSize(cfurlCacheDirectory.get()) / 1024 / 1000;
unsigned cacheTotalCapacity = 0;
unsigned cacheMinDeadCapacity = 0;
unsigned cacheMaxDeadCapacity = 0;
double deadDecodedDataDeletionInterval = 0;
unsigned pageCacheCapacity = 0;
unsigned long urlCacheMemoryCapacity = 0;
unsigned long urlCacheDiskCapacity = 0;
calculateCacheSizes(cacheModel, memSize, diskFreeSize,
cacheTotalCapacity, cacheMinDeadCapacity, cacheMaxDeadCapacity, deadDecodedDataDeletionInterval,
pageCacheCapacity, urlCacheMemoryCapacity, urlCacheDiskCapacity);
memoryCache()->setCapacities(cacheMinDeadCapacity, cacheMaxDeadCapacity, cacheTotalCapacity);
memoryCache()->setDeadDecodedDataDeletionInterval(deadDecodedDataDeletionInterval);
pageCache()->setCapacity(pageCacheCapacity);
RetainPtr<CFURLCacheRef> cfurlCache;
#if USE(CFURLSTORAGESESSIONS)
if (CFURLStorageSessionRef defaultStorageSession = ResourceHandle::defaultStorageSession())
cfurlCache.adoptCF(wkCopyURLCache(defaultStorageSession));
else
#endif // USE(CFURLSTORAGESESSIONS)
cfurlCache.adoptCF(CFURLCacheCopySharedURLCache());
CFURLCacheSetMemoryCapacity(cfurlCache.get(), urlCacheMemoryCapacity);
CFURLCacheSetDiskCapacity(cfurlCache.get(), max<unsigned long>(urlCacheDiskCapacity, CFURLCacheDiskCapacity(cfurlCache.get()))); // Don't shrink a big disk cache, since that would cause churn.
#endif
}
bool WebPage::platformHasLocalDataForURL(const WebCore::KURL& url)
{
#if USE(CFNETWORK)
RetainPtr<CFURLRef> cfURL(AdoptCF, url.createCFURL());
RetainPtr<CFMutableURLRequestRef> request(AdoptCF, CFURLRequestCreateMutable(0, cfURL.get(), kCFURLRequestCachePolicyReloadIgnoringCache, 60, 0));
RetainPtr<CFStringRef> userAgent(AdoptCF, userAgent().createCFString());
CFURLRequestSetHTTPHeaderFieldValue(request.get(), CFSTR("User-Agent"), userAgent.get());
RetainPtr<CFURLCacheRef> cache(AdoptCF, CFURLCacheCopySharedURLCache());
RetainPtr<CFCachedURLResponseRef> response(AdoptCF, CFURLCacheCopyResponseForRequest(cache.get(), request.get()));
return response;
#else
return false;
#endif
}
static RetainPtr<CFCachedURLResponseRef> cachedResponseForURL(WebPage* webPage, const KURL& url)
{
RetainPtr<CFURLRef> cfURL(AdoptCF, url.createCFURL());
RetainPtr<CFMutableURLRequestRef> request(AdoptCF, CFURLRequestCreateMutable(0, cfURL.get(), kCFURLRequestCachePolicyReloadIgnoringCache, 60, 0));
#if NEEDS_FIXING_AFTER_R134960
wkSetRequestStorageSession(ResourceHandle::currentStorageSession(), request.get());
#endif
CFURLRequestSetHTTPHeaderFieldValue(request.get(), CFSTR("User-Agent"), webPage->userAgent().createCFString().get());
RetainPtr<CFURLCacheRef> cache;
#if NEEDS_FIXING_AFTER_R134960
if (CFURLStorageSessionRef currentStorageSession = ResourceHandle::currentStorageSession())
cache.adoptCF(wkCopyURLCache(currentStorageSession));
else
cache.adoptCF(CFURLCacheCopySharedURLCache());
#endif
RetainPtr<CFCachedURLResponseRef> response(AdoptCF, CFURLCacheCopyResponseForRequest(cache.get(), request.get()));
return response;
}