// FIXME: It is confusing that this function both sets connection count and determines maximum request count at network layer. This can and should be done separately.
unsigned initializeMaximumHTTPConnectionCountPerHost()
{
static const unsigned preferredConnectionCount = 6;
static const unsigned unlimitedRequestCount = 10000;
_CFNetworkHTTPConnectionCacheSetLimit(kHTTPLoadWidth, preferredConnectionCount);
unsigned maximumHTTPConnectionCountPerHost = _CFNetworkHTTPConnectionCacheGetLimit(kHTTPLoadWidth);
Boolean keyExistsAndHasValidFormat = false;
Boolean prefValue = CFPreferencesGetAppBooleanValue(CFSTR("WebKitEnableHTTPPipelining"), kCFPreferencesCurrentApplication, &keyExistsAndHasValidFormat);
if (keyExistsAndHasValidFormat)
ResourceRequest::setHTTPPipeliningEnabled(prefValue);
// Use WebCore scheduler when we can't use request priorities with CFNetwork.
if (!ResourceRequest::resourcePrioritiesEnabled())
return maximumHTTPConnectionCountPerHost;
_CFNetworkHTTPConnectionCacheSetLimit(kHTTPPriorityNumLevels, toPlatformRequestPriority(ResourceLoadPriority::Highest));
#if !PLATFORM(WIN)
// FIXME: <rdar://problem/9375609> Implement minimum fast lane priority setting on Windows
_CFNetworkHTTPConnectionCacheSetLimit(kHTTPMinimumFastLanePriority, toPlatformRequestPriority(ResourceLoadPriority::Medium));
#endif
return unlimitedRequestCount;
}
void initializeHTTPConnectionSettingsOnStartup()
{
// This need to be called from WebKitInitialize so the calls happen early enough, before any requests are made. <rdar://problem/9691871>
// Desktop doesn't have early initialization so it is not clear how this should be done there. The CFNetwork SPI probably
// needs to become more forgiving.
// We can't read settings here as this is called too early for that. All values need to be constants.
static const unsigned preferredConnectionCount = 6;
static const unsigned fastLaneConnectionCount = 1;
_CFNetworkHTTPConnectionCacheSetLimit(kHTTPLoadWidth, preferredConnectionCount);
_CFNetworkHTTPConnectionCacheSetLimit(kHTTPPriorityNumLevels, toPlatformRequestPriority(ResourceLoadPriority::Highest));
_CFNetworkHTTPConnectionCacheSetLimit(kHTTPMinimumFastLanePriority, toPlatformRequestPriority(ResourceLoadPriority::Medium));
_CFNetworkHTTPConnectionCacheSetLimit(kHTTPNumFastLanes, fastLaneConnectionCount);
}
void ResourceRequest::doUpdatePlatformRequest()
{
CFMutableURLRequestRef cfRequest;
RetainPtr<CFURLRef> url = ResourceRequest::url().createCFURL();
RetainPtr<CFURLRef> firstPartyForCookies = ResourceRequest::firstPartyForCookies().createCFURL();
if (m_cfRequest) {
cfRequest = CFURLRequestCreateMutableCopy(0, m_cfRequest.get());
CFURLRequestSetURL(cfRequest, url.get());
CFURLRequestSetMainDocumentURL(cfRequest, firstPartyForCookies.get());
CFURLRequestSetCachePolicy(cfRequest, (CFURLRequestCachePolicy)cachePolicy());
CFURLRequestSetTimeoutInterval(cfRequest, timeoutInterval());
} else
cfRequest = CFURLRequestCreateMutable(0, url.get(), (CFURLRequestCachePolicy)cachePolicy(), timeoutInterval(), firstPartyForCookies.get());
CFURLRequestSetHTTPRequestMethod(cfRequest, httpMethod().createCFString().get());
if (httpPipeliningEnabled())
CFURLRequestSetShouldPipelineHTTP(cfRequest, true, true);
if (resourcePrioritiesEnabled())
CFURLRequestSetRequestPriority(cfRequest, toPlatformRequestPriority(priority()));
#if !PLATFORM(WIN)
_CFURLRequestSetProtocolProperty(cfRequest, kCFURLRequestAllowAllPOSTCaching, kCFBooleanTrue);
#endif
setHeaderFields(cfRequest, httpHeaderFields());
CFURLRequestSetShouldHandleHTTPCookies(cfRequest, allowCookies());
unsigned fallbackCount = m_responseContentDispositionEncodingFallbackArray.size();
RetainPtr<CFMutableArrayRef> encodingFallbacks = adoptCF(CFArrayCreateMutable(kCFAllocatorDefault, fallbackCount, 0));
for (unsigned i = 0; i != fallbackCount; ++i) {
RetainPtr<CFStringRef> encodingName = m_responseContentDispositionEncodingFallbackArray[i].createCFString();
CFStringEncoding encoding = CFStringConvertIANACharSetNameToEncoding(encodingName.get());
if (encoding != kCFStringEncodingInvalidId)
CFArrayAppendValue(encodingFallbacks.get(), reinterpret_cast<const void*>(encoding));
}
setContentDispositionEncodingFallbackArray(cfRequest, encodingFallbacks.get());
#if ENABLE(CACHE_PARTITIONING)
String partition = cachePartition();
if (!partition.isNull() && !partition.isEmpty()) {
CString utf8String = partition.utf8();
RetainPtr<CFStringRef> partitionValue = adoptCF(CFStringCreateWithBytes(0, reinterpret_cast<const UInt8*>(utf8String.data()), utf8String.length(), kCFStringEncodingUTF8, false));
_CFURLRequestSetProtocolProperty(cfRequest, wkCachePartitionKey(), partitionValue.get());
}
#endif
m_cfRequest = adoptCF(cfRequest);
#if PLATFORM(COCOA)
clearOrUpdateNSURLRequest();
#endif
}
unsigned initializeMaximumHTTPConnectionCountPerHost()
{
static const unsigned preferredConnectionCount = 6;
static const unsigned unlimitedConnectionCount = 10000;
wkInitializeMaximumHTTPConnectionCountPerHost(preferredConnectionCount);
Boolean keyExistsAndHasValidFormat = false;
Boolean prefValue = CFPreferencesGetAppBooleanValue(CFSTR("WebKitEnableHTTPPipelining"), kCFPreferencesCurrentApplication, &keyExistsAndHasValidFormat);
if (keyExistsAndHasValidFormat)
ResourceRequest::setHTTPPipeliningEnabled(prefValue);
wkSetHTTPRequestMaximumPriority(toPlatformRequestPriority(ResourceLoadPriorityHighest));
#if !PLATFORM(WIN)
// FIXME: <rdar://problem/9375609> Implement minimum fast lane priority setting on Windows
wkSetHTTPRequestMinimumFastLanePriority(toPlatformRequestPriority(ResourceLoadPriorityMedium));
#endif
return unlimitedConnectionCount;
}