WebSocketDeflateFramer.h [plain text]
#ifndef WebSocketDeflateFramer_h
#define WebSocketDeflateFramer_h
#if ENABLE(WEB_SOCKETS)
#if USE(ZLIB)
#include "WebSocketDeflater.h"
#endif
#include "WebSocketExtensionProcessor.h"
#include "WebSocketFrame.h"
namespace WebCore {
class WebSocketDeflateFramer;
class DeflateResultHolder {
WTF_MAKE_FAST_ALLOCATED;
public:
explicit DeflateResultHolder(WebSocketDeflateFramer*);
~DeflateResultHolder();
bool succeeded() const { return m_succeeded; }
String failureReason() const { return m_failureReason; }
void fail(const String& failureReason);
private:
WebSocketDeflateFramer* m_framer;
bool m_succeeded;
String m_failureReason;
};
class InflateResultHolder {
WTF_MAKE_FAST_ALLOCATED;
public:
explicit InflateResultHolder(WebSocketDeflateFramer*);
~InflateResultHolder();
bool succeeded() const { return m_succeeded; }
String failureReason() const { return m_failureReason; }
void fail(const String& failureReason);
private:
WebSocketDeflateFramer* m_framer;
bool m_succeeded;
String m_failureReason;
};
class WebSocketDeflateFramer {
public:
WebSocketDeflateFramer();
std::unique_ptr<WebSocketExtensionProcessor> createExtensionProcessor();
bool canDeflate() const;
bool enabled() const { return m_enabled; }
std::unique_ptr<DeflateResultHolder> deflate(WebSocketFrame&);
void resetDeflateContext();
std::unique_ptr<InflateResultHolder> inflate(WebSocketFrame&);
void resetInflateContext();
void didFail();
#if USE(ZLIB)
void enableDeflate(int windowBits, WebSocketDeflater::ContextTakeOverMode);
#endif
private:
bool m_enabled;
#if USE(ZLIB)
std::unique_ptr<WebSocketDeflater> m_deflater;
std::unique_ptr<WebSocketInflater> m_inflater;
#endif
};
}
#endif // ENABLE(WEB_SOCKETS)
#endif // WebSocketDeflateFramer_h