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// Copyright (C) 2014 Ivan Komissarov <ABBAPOH@gmail.com>
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#include "qstorageinfo_p.h"
#include <QtCore/qfileinfo.h>
#include <QtCore/private/qcore_mac_p.h>
#include <CoreFoundation/CoreFoundation.h>
#include <CoreFoundation/CFURLEnumerator.h>
#include <sys/mount.h>
#define QT_STATFSBUF struct statfs
#define QT_STATFS ::statfs
QT_BEGIN_NAMESPACE
void QStorageInfoPrivate::initRootPath()
{
rootPath = QFileInfo(rootPath).canonicalFilePath();
if (rootPath.isEmpty())
return;
retrieveUrlProperties(true);
}
void QStorageInfoPrivate::doStat()
{
initRootPath();
if (rootPath.isEmpty())
return;
retrieveLabel();
retrievePosixInfo();
retrieveUrlProperties();
}
void QStorageInfoPrivate::retrievePosixInfo()
{
QT_STATFSBUF statfs_buf;
int result = QT_STATFS(QFile::encodeName(rootPath).constData(), &statfs_buf);
if (result == 0) {
device = QByteArray(statfs_buf.f_mntfromname);
readOnly = (statfs_buf.f_flags & MNT_RDONLY) != 0;
fileSystemType = QByteArray(statfs_buf.f_fstypename);
blockSize = statfs_buf.f_bsize;
}
}
static inline qint64 CFDictionaryGetInt64(CFDictionaryRef dictionary, const void *key)
{
CFNumberRef cfNumber = (CFNumberRef)CFDictionaryGetValue(dictionary, key);
if (!cfNumber)
return -1;
qint64 result;
bool ok = CFNumberGetValue(cfNumber, kCFNumberSInt64Type, &result);
if (!ok)
return -1;
return result;
}
void QStorageInfoPrivate::retrieveUrlProperties(bool initRootPath)
{
static const void *rootPathKeys[] = { kCFURLVolumeURLKey };
static const void *propertyKeys[] = {
// kCFURLVolumeNameKey, // 10.7
// kCFURLVolumeLocalizedNameKey, // 10.7
kCFURLVolumeTotalCapacityKey,
kCFURLVolumeAvailableCapacityKey,
// kCFURLVolumeIsReadOnlyKey // 10.7
};
size_t size = (initRootPath ? sizeof(rootPathKeys) : sizeof(propertyKeys)) / sizeof(void*);
QCFType<CFArrayRef> keys = CFArrayCreate(kCFAllocatorDefault,
initRootPath ? rootPathKeys : propertyKeys,
size,
nullptr);
if (!keys)
return;
const QCFString cfPath = rootPath;
if (initRootPath)
rootPath.clear();
QCFType<CFURLRef> url = CFURLCreateWithFileSystemPath(kCFAllocatorDefault,
cfPath,
kCFURLPOSIXPathStyle,
true);
if (!url)
return;
CFErrorRef error;
QCFType<CFDictionaryRef> map = CFURLCopyResourcePropertiesForKeys(url, keys, &error);
if (!map)
return;
if (initRootPath) {
const CFURLRef rootUrl = (CFURLRef)CFDictionaryGetValue(map, kCFURLVolumeURLKey);
if (!rootUrl)
return;
rootPath = QCFString(CFURLCopyFileSystemPath(rootUrl, kCFURLPOSIXPathStyle));
valid = true;
ready = true;
return;
}
bytesTotal = CFDictionaryGetInt64(map, kCFURLVolumeTotalCapacityKey);
bytesAvailable = CFDictionaryGetInt64(map, kCFURLVolumeAvailableCapacityKey);
bytesFree = bytesAvailable;
}
void QStorageInfoPrivate::retrieveLabel()
{
QCFString path = CFStringCreateWithFileSystemRepresentation(0,
QFile::encodeName(rootPath).constData());
if (!path)
return;
QCFType<CFURLRef> url = CFURLCreateWithFileSystemPath(0, path, kCFURLPOSIXPathStyle, true);
if (!url)
return;
QCFType<CFURLRef> volumeUrl;
if (!CFURLCopyResourcePropertyForKey(url, kCFURLVolumeURLKey, &volumeUrl, NULL))
return;
QCFString volumeName;
if (!CFURLCopyResourcePropertyForKey(url, kCFURLNameKey, &volumeName, NULL))
return;
name = volumeName;
}
QList<QStorageInfo> QStorageInfoPrivate::mountedVolumes()
{
QList<QStorageInfo> volumes;
QCFType<CFURLEnumeratorRef> enumerator;
enumerator = CFURLEnumeratorCreateForMountedVolumes(nullptr,
kCFURLEnumeratorSkipInvisibles,
nullptr);
CFURLEnumeratorResult result = kCFURLEnumeratorSuccess;
do {
CFURLRef url;
CFErrorRef error;
result = CFURLEnumeratorGetNextURL(enumerator, &url, &error);
if (result == kCFURLEnumeratorSuccess) {
const QCFString urlString = CFURLCopyFileSystemPath(url, kCFURLPOSIXPathStyle);
volumes.append(QStorageInfo(urlString));
}
} while (result != kCFURLEnumeratorEnd);
return volumes;
}
QStorageInfo QStorageInfoPrivate::root()
{
return QStorageInfo(QStringLiteral("/"));
}
QT_END_NAMESPACE
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