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Diffstat (limited to 'src/corelib/kernel/qcfsocketnotifier_p.h')
-rw-r--r-- | src/corelib/kernel/qcfsocketnotifier_p.h | 105 |
1 files changed, 105 insertions, 0 deletions
diff --git a/src/corelib/kernel/qcfsocketnotifier_p.h b/src/corelib/kernel/qcfsocketnotifier_p.h new file mode 100644 index 0000000000..947efecca3 --- /dev/null +++ b/src/corelib/kernel/qcfsocketnotifier_p.h @@ -0,0 +1,105 @@ +/**************************************************************************** +** +** Copyright (C) 2015 The Qt Company Ltd. +** Contact: http://www.qt.io/licensing/ +** +** This file is part of the QtCore module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL21$ +** Commercial License Usage +** Licensees holding valid commercial Qt licenses may use this file in +** accordance with the commercial license agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and The Qt Company. For licensing terms +** and conditions see http://www.qt.io/terms-conditions. For further +** information use the contact form at http://www.qt.io/contact-us. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 2.1 or version 3 as published by the Free +** Software Foundation and appearing in the file LICENSE.LGPLv21 and +** LICENSE.LGPLv3 included in the packaging of this file. Please review the +** following information to ensure the GNU Lesser General Public License +** requirements will be met: https://www.gnu.org/licenses/lgpl.html and +** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** As a special exception, The Qt Company gives you certain additional +** rights. These rights are described in The Qt Company LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#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/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 |