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https://github.com/Rockbox/rockbox.git
synced 2025-11-14 23:52:26 -05:00
Move some helper functions out of Autodetection.
Those functions are rather general, so put them into the Utils class instead. git-svn-id: svn://svn.rockbox.org/rockbox/trunk@30146 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Dominik Riebeling
parent
b7fe90aa36
commit
9c9bc1216c
8 changed files with 231 additions and 241 deletions
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@ -32,14 +32,28 @@
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#include <cstdlib>
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#include <stdio.h>
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#if defined(Q_OS_WIN32)
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#include <windows.h>
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#include <tchar.h>
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#include <winioctl.h>
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#endif
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#if defined(Q_OS_LINUX) || defined(Q_OS_MACX)
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#include <sys/statvfs.h>
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#endif
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#if defined(Q_OS_LINUX) || defined(Q_OS_MACX)
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#include <stdio.h>
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#endif
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#if defined(Q_OS_LINUX)
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#include <mntent.h>
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#endif
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#if defined(Q_OS_MACX) || defined(Q_OS_OPENBSD)
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#include <sys/param.h>
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#include <sys/ucred.h>
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#include <sys/mount.h>
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#endif
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#if defined(Q_OS_WIN32)
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#include <stdio.h>
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#include <tchar.h>
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#include <windows.h>
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#include <setupapi.h>
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#include <winioctl.h>
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#endif
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// recursive function to delete a dir with files
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bool Utils::recursiveRmdir( const QString &dirName )
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@ -327,3 +341,203 @@ int Utils::compareVersionStrings(QString s1, QString s2)
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return 0;
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}
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/** Resolve mountpoint to devicename / disk number
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* @param path mountpoint path / drive letter
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* @return devicename / disk number
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*/
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QString Utils::resolveDevicename(QString path)
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{
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qDebug() << "[Utils] resolving device name" << path;
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#if defined(Q_OS_LINUX)
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FILE *mn = setmntent("/etc/mtab", "r");
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if(!mn)
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return QString("");
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struct mntent *ent;
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while((ent = getmntent(mn))) {
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// check for valid filesystem type.
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// Linux can handle hfs (and hfsplus), so consider it a valid file
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// system. Otherwise resolving the device name would fail, which in
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// turn would make it impossible to warn about a MacPod.
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if(QString(ent->mnt_dir) == path
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&& (QString(ent->mnt_type).contains("vfat", Qt::CaseInsensitive)
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|| QString(ent->mnt_type).contains("hfs", Qt::CaseInsensitive))) {
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endmntent(mn);
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qDebug() << "[Utils] device name is" << ent->mnt_fsname;
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return QString(ent->mnt_fsname);
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}
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}
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endmntent(mn);
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#endif
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#if defined(Q_OS_MACX) || defined(Q_OS_OPENBSD)
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int num;
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struct statfs *mntinf;
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num = getmntinfo(&mntinf, MNT_WAIT);
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while(num--) {
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// check for valid filesystem type. OS X can handle hfs (hfs+ is
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// treated as hfs), BSD should be the same.
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if(QString(mntinf->f_mntonname) == path
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&& (QString(mntinf->f_fstypename).contains("msdos", Qt::CaseInsensitive)
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|| QString(mntinf->f_fstypename).contains("hfs", Qt::CaseInsensitive))) {
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qDebug() << "[Utils] device name is" << mntinf->f_mntfromname;
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return QString(mntinf->f_mntfromname);
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}
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mntinf++;
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}
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#endif
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#if defined(Q_OS_WIN32)
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DWORD written;
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HANDLE h;
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TCHAR uncpath[MAX_PATH];
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UCHAR buffer[0x400];
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PVOLUME_DISK_EXTENTS extents = (PVOLUME_DISK_EXTENTS)buffer;
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_stprintf(uncpath, _TEXT("\\\\.\\%c:"), path.toAscii().at(0));
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h = CreateFile(uncpath, GENERIC_READ, FILE_SHARE_READ | FILE_SHARE_WRITE,
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NULL, OPEN_EXISTING, 0, NULL);
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if(h == INVALID_HANDLE_VALUE) {
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//qDebug() << "error getting extents for" << uncpath;
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return "";
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}
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// get the extents
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if(DeviceIoControl(h, IOCTL_VOLUME_GET_VOLUME_DISK_EXTENTS,
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NULL, 0, extents, sizeof(buffer), &written, NULL)) {
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if(extents->NumberOfDiskExtents > 1) {
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qDebug() << "[Utils] resolving device name: volume spans multiple disks!";
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return "";
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}
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qDebug() << "[Utils] device name is" << extents->Extents[0].DiskNumber;
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return QString("%1").arg(extents->Extents[0].DiskNumber);
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}
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#endif
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return QString("");
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}
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/** resolve device name to mount point / drive letter
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* @param device device name / disk number
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* @return mount point / drive letter
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*/
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QString Utils::resolveMountPoint(QString device)
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{
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qDebug() << "[Utils] resolving mountpoint:" << device;
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#if defined(Q_OS_LINUX)
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FILE *mn = setmntent("/etc/mtab", "r");
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if(!mn)
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return QString("");
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struct mntent *ent;
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while((ent = getmntent(mn))) {
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// Check for valid filesystem. Allow hfs too, as an Ipod might be a
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// MacPod.
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if(QString(ent->mnt_fsname) == device) {
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QString result;
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if(QString(ent->mnt_type).contains("vfat", Qt::CaseInsensitive)
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|| QString(ent->mnt_type).contains("hfs", Qt::CaseInsensitive)) {
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qDebug() << "[Utils] resolved mountpoint is:" << ent->mnt_dir;
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result = QString(ent->mnt_dir);
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}
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else {
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qDebug() << "[Utils] mountpoint is wrong filesystem!";
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}
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endmntent(mn);
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return result;
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}
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}
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endmntent(mn);
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#endif
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#if defined(Q_OS_MACX) || defined(Q_OS_OPENBSD)
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int num;
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struct statfs *mntinf;
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num = getmntinfo(&mntinf, MNT_WAIT);
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while(num--) {
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// Check for valid filesystem. Allow hfs too, as an Ipod might be a
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// MacPod.
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if(QString(mntinf->f_mntfromname) == device) {
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if(QString(mntinf->f_fstypename).contains("msdos", Qt::CaseInsensitive)
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|| QString(mntinf->f_fstypename).contains("hfs", Qt::CaseInsensitive)) {
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qDebug() << "[Utils] resolved mountpoint is:" << mntinf->f_mntonname;
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return QString(mntinf->f_mntonname);
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}
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else {
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qDebug() << "[Utils] mountpoint is wrong filesystem!";
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return QString();
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}
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}
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mntinf++;
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}
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#endif
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#if defined(Q_OS_WIN32)
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QString result;
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unsigned int driveno = device.replace(QRegExp("^.*([0-9]+)"), "\\1").toInt();
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int letter;
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for(letter = 'A'; letter <= 'Z'; letter++) {
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if(resolveDevicename(QString(letter)).toUInt() == driveno) {
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result = letter;
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qDebug() << "[Utils] resolved mountpoint is:" << result;
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break;
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}
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}
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if(!result.isEmpty())
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return result + ":/";
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#endif
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qDebug() << "[Utils] resolving mountpoint failed!";
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return QString("");
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}
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QStringList Utils::mountpoints()
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{
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QStringList tempList;
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#if defined(Q_OS_WIN32)
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QFileInfoList list = QDir::drives();
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for(int i=0; i<list.size();i++)
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{
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tempList << list.at(i).absolutePath();
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qDebug() << "[Utils] Mounted on" << list.at(i).absolutePath();
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}
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#elif defined(Q_OS_MACX) || defined(Q_OS_OPENBSD)
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int num;
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struct statfs *mntinf;
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num = getmntinfo(&mntinf, MNT_WAIT);
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while(num--) {
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tempList << QString(mntinf->f_mntonname);
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qDebug() << "[Utils] Mounted on" << mntinf->f_mntonname
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<< "is" << mntinf->f_mntfromname << "type" << mntinf->f_fstypename;
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mntinf++;
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}
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#elif defined(Q_OS_LINUX)
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FILE *mn = setmntent("/etc/mtab", "r");
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if(!mn)
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return QStringList("");
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struct mntent *ent;
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while((ent = getmntent(mn))) {
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tempList << QString(ent->mnt_dir);
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qDebug() << "[Utils] Mounted on" << ent->mnt_dir
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<< "is" << ent->mnt_fsname << "type" << ent->mnt_type;
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}
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endmntent(mn);
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#else
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#error Unknown Platform
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#endif
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return tempList;
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}
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