NetworkResourceLoadScheduler.h [plain text]
#ifndef NetworkResourceLoadScheduler_h
#define NetworkResourceLoadScheduler_h
#include <WebCore/ResourceLoadPriority.h>
#include <WebCore/Timer.h>
#include <wtf/HashMap.h>
#include <wtf/HashSet.h>
#include <wtf/text/StringHash.h>
#if ENABLE(NETWORK_PROCESS)
namespace WebCore {
class URL;
}
namespace WebKit {
class HostRecord;
class NetworkResourceLoader;
class NetworkResourceLoadScheduler {
WTF_MAKE_NONCOPYABLE(NetworkResourceLoadScheduler); WTF_MAKE_FAST_ALLOCATED;
public:
NetworkResourceLoadScheduler();
void scheduleLoader(PassRefPtr<NetworkResourceLoader>);
void removeLoader(NetworkResourceLoader*);
void scheduleRemoveLoader(NetworkResourceLoader*);
void receivedRedirect(NetworkResourceLoader*, const WebCore::URL& redirectURL);
void servePendingRequests(WebCore::ResourceLoadPriority = WebCore::ResourceLoadPriorityVeryLow);
uint64_t hostsPendingCount() const;
uint64_t loadsPendingCount() const;
uint64_t hostsActiveCount() const;
uint64_t loadsActiveCount() const;
private:
enum CreateHostPolicy {
CreateIfNotFound,
FindOnly
};
HostRecord* hostForURL(const WebCore::URL&, CreateHostPolicy = FindOnly);
void scheduleServePendingRequests();
void requestTimerFired(WebCore::Timer<NetworkResourceLoadScheduler>*);
void platformInitializeMaximumHTTPConnectionCountPerHost();
static void removeScheduledLoaders(void* context);
void removeScheduledLoaders();
typedef HashMap<String, RefPtr<HostRecord>, StringHash> HostMap;
HostMap m_hosts;
typedef HashSet<RefPtr<NetworkResourceLoader>> NetworkResourceLoaderSet;
NetworkResourceLoaderSet m_loaders;
RefPtr<HostRecord> m_nonHTTPProtocolHost;
bool m_isSerialLoadingEnabled;
WebCore::Timer<NetworkResourceLoadScheduler> m_requestTimer;
Mutex m_loadersToRemoveMutex;
Vector<RefPtr<NetworkResourceLoader>> m_loadersToRemove;
unsigned m_maxRequestsInFlightPerHost;
};
}
#endif // ENABLE(NETWORK_PROCESS)
#endif // NetworkResourceLoadScheduler_h