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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#ifndef QCFSOCKETNOTIFIER_P_H
#define QCFSOCKETNOTIFIER_P_H
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists purely as an
// implementation detail. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
#include <QtCore/private/qglobal_p.h>
#include <QtCore/qabstracteventdispatcher.h>
#include <QtCore/qhash.h>
#include <CoreFoundation/CoreFoundation.h>
QT_BEGIN_NAMESPACE
struct MacSocketInfo {
MacSocketInfo() : socket(0), runloop(0), readNotifier(0), writeNotifier(0),
readEnabled(false), writeEnabled(false) {}
CFSocketRef socket;
CFRunLoopSourceRef runloop;
QObject *readNotifier;
QObject *writeNotifier;
bool readEnabled;
bool writeEnabled;
};
typedef QHash<int, MacSocketInfo *> MacSocketHash;
typedef void (*MaybeCancelWaitForMoreEventsFn)(QAbstractEventDispatcher *hostEventDispacher);
// The CoreFoundationSocketNotifier class implements socket notifiers support using
// CFSocket for event dispatchers running on top of the Core Foundation run loop system.
// (currently Mac and iOS)
//
// The principal functions are registerSocketNotifier() and unregisterSocketNotifier().
//
// setHostEventDispatcher() should be called at startup.
// removeSocketNotifiers() should be called at shutdown.
//
class Q_CORE_EXPORT QCFSocketNotifier
{
public:
QCFSocketNotifier();
~QCFSocketNotifier();
void setHostEventDispatcher(QAbstractEventDispatcher *hostEventDispacher);
void setMaybeCancelWaitForMoreEventsCallback(MaybeCancelWaitForMoreEventsFn callBack);
void registerSocketNotifier(QSocketNotifier *notifier);
void unregisterSocketNotifier(QSocketNotifier *notifier);
void removeSocketNotifiers();
private:
void destroyRunLoopObserver();
static void unregisterSocketInfo(MacSocketInfo *socketInfo);
static void enableSocketNotifiers(CFRunLoopObserverRef ref, CFRunLoopActivity activity, void *info);
MacSocketHash macSockets;
QAbstractEventDispatcher *eventDispatcher;
MaybeCancelWaitForMoreEventsFn maybeCancelWaitForMoreEvents;
CFRunLoopObserverRef enableNotifiersObserver;
friend void qt_mac_socket_callback(CFSocketRef, CFSocketCallBackType, CFDataRef, const void *, void *);
};
QT_END_NAMESPACE
#endif
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