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tdelibs/tdecore/tdehw/tdestoragedevice.cpp

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22 KiB

/* This file is part of the TDE libraries
Copyright (C) 2012 Timothy Pearson <kb9vqf@pearsoncomputing.net>
(C) 2013 Golubev Alexander <fatzer2@gmail.com>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License version 2 as published by the Free Software Foundation.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#include "tdestoragedevice.h"
#include <unistd.h>
#include <fcntl.h>
#include <sys/stat.h>
#include <sys/ioctl.h>
#include <linux/cdrom.h>
#include <tqpixmap.h>
#include <tqfile.h>
#include "tdelocale.h"
#include "tdeglobal.h"
#include "kiconloader.h"
#include "tdetempfile.h"
#include "tdehardwaredevices.h"
#include "config.h"
// uDisks2 integration
#if defined(WITH_UDISKS) || defined(WITH_UDISKS2)
#include <tqdbusdata.h>
#include <tqdbusmessage.h>
#include <tqdbusproxy.h>
#include <tqdbusvariant.h>
#include <tqdbusconnection.h>
#include <tqdbuserror.h>
#include <tqdbusdatamap.h>
#include <tqdbusobjectpath.h>
#endif // defined(WITH_UDISKS) || defined(WITH_UDISKS2)
#if defined(WITH_UDISKS)
#include "tqdbusdatalist.h"
#endif // ddefined(WITH_UDISKS)
TDEStorageDevice::TDEStorageDevice(TDEGenericDeviceType::TDEGenericDeviceType dt, TQString dn) : TDEGenericDevice(dt, dn), m_mediaInserted(true) {
m_diskType = TDEDiskDeviceType::Null;
m_diskStatus = TDEDiskDeviceStatus::Null;
}
TDEStorageDevice::~TDEStorageDevice() {
}
TDEDiskDeviceType::TDEDiskDeviceType TDEStorageDevice::diskType() {
return m_diskType;
}
void TDEStorageDevice::internalSetDiskType(TDEDiskDeviceType::TDEDiskDeviceType dt) {
m_diskType = dt;
}
bool TDEStorageDevice::isDiskOfType(TDEDiskDeviceType::TDEDiskDeviceType tf) {
return ((m_diskType&tf)!=TDEDiskDeviceType::Null);
}
TDEDiskDeviceStatus::TDEDiskDeviceStatus TDEStorageDevice::diskStatus() {
return m_diskStatus;
}
void TDEStorageDevice::internalSetDiskStatus(TDEDiskDeviceStatus::TDEDiskDeviceStatus st) {
m_diskStatus = st;
}
bool TDEStorageDevice::checkDiskStatus(TDEDiskDeviceStatus::TDEDiskDeviceStatus sf) {
return ((m_diskStatus&sf)!=(TDEDiskDeviceStatus::TDEDiskDeviceStatus)0);
}
bool TDEStorageDevice::lockDriveMedia(bool lock) {
int fd = open(deviceNode().ascii(), O_RDWR | O_NONBLOCK);
if (fd < 0) {
return false;
}
if (ioctl(fd, CDROM_LOCKDOOR, (lock)?1:0) != 0) {
close(fd);
return false;
}
else {
close(fd);
return true;
}
}
bool ejectDriveUDisks(TDEStorageDevice* sdevice) {
#ifdef WITH_UDISKS
TQT_DBusConnection dbusConn = TQT_DBusConnection::addConnection(TQT_DBusConnection::SystemBus);
if (dbusConn.isConnected()) {
TQString blockDeviceString = sdevice->deviceNode();
blockDeviceString.replace("/dev/", "");
blockDeviceString = "/org/freedesktop/UDisks/devices/" + blockDeviceString;
// Eject the drive!
TQT_DBusError error;
TQT_DBusProxy driveControl("org.freedesktop.UDisks", blockDeviceString, "org.freedesktop.UDisks.Device", dbusConn);
if (driveControl.canSend()) {
TQValueList<TQT_DBusData> params;
TQT_DBusDataList options;
params << TQT_DBusData::fromList(options);
TQT_DBusMessage reply = driveControl.sendWithReply("DriveEject", params, &error);
if (error.isValid()) {
// Error!
printf("[ERROR] %s\n", error.name().ascii()); fflush(stdout);
return FALSE;
}
else {
return TRUE;
}
}
else {
return FALSE;
}
}
else {
return FALSE;
}
#else // WITH_UDISKS
return FALSE;
#endif // WITH_UDISKS
}
bool ejectDriveUDisks2(TDEStorageDevice* sdevice) {
#ifdef WITH_UDISKS2
TQT_DBusConnection dbusConn = TQT_DBusConnection::addConnection(TQT_DBusConnection::SystemBus);
if (dbusConn.isConnected()) {
TQString blockDeviceString = sdevice->deviceNode();
blockDeviceString.replace("/dev/", "");
blockDeviceString = "/org/freedesktop/UDisks2/block_devices/" + blockDeviceString;
TQT_DBusProxy hardwareControl("org.freedesktop.UDisks2", blockDeviceString, "org.freedesktop.DBus.Properties", dbusConn);
if (hardwareControl.canSend()) {
// get associated udisks2 drive path
TQT_DBusError error;
TQValueList<TQT_DBusData> params;
params << TQT_DBusData::fromString("org.freedesktop.UDisks2.Block") << TQT_DBusData::fromString("Drive");
TQT_DBusMessage reply = hardwareControl.sendWithReply("Get", params, &error);
if (error.isValid()) {
// Error!
printf("[ERROR] %s\n", error.name().ascii()); fflush(stdout);
return FALSE;
}
else {
if (reply.type() == TQT_DBusMessage::ReplyMessage && reply.count() == 1) {
TQT_DBusObjectPath driveObjectPath = reply[0].toVariant().value.toObjectPath();
if (!driveObjectPath.isValid()) {
return FALSE;
}
error = TQT_DBusError();
TQT_DBusProxy driveInformation("org.freedesktop.UDisks2", driveObjectPath, "org.freedesktop.DBus.Properties", dbusConn);
// can eject?
TQValueList<TQT_DBusData> params;
params << TQT_DBusData::fromString("org.freedesktop.UDisks2.Drive") << TQT_DBusData::fromString("Ejectable");
TQT_DBusMessage reply = driveInformation.sendWithReply("Get", params, &error);
if (error.isValid()) {
// Error!
printf("[ERROR] %s\n", error.name().ascii()); fflush(stdout);
return FALSE;
}
if (reply.type() == TQT_DBusMessage::ReplyMessage && reply.count() == 1) {
bool ejectable = reply[0].toVariant().value.toBool();
if (!ejectable) {
return FALSE;
}
// Eject the drive!
TQT_DBusProxy driveControl("org.freedesktop.UDisks2", driveObjectPath, "org.freedesktop.UDisks2.Drive", dbusConn);
TQValueList<TQT_DBusData> params;
TQT_DBusDataMap<TQString> options(TQT_DBusData::Variant);
params << TQT_DBusData::fromStringKeyMap(options);
TQT_DBusMessage reply = driveControl.sendWithReply("Eject", params, &error);
if (error.isValid()) {
// Error!
printf("[ERROR] %s\n", error.name().ascii()); fflush(stdout);
return FALSE;
}
else {
return TRUE;
}
}
else {
return FALSE;
}
}
else {
return FALSE;
}
}
}
else {
return FALSE;
}
}
else {
return FALSE;
}
#else // WITH_UDISKS2
return FALSE;
#endif // WITH_UDISKS2
}
bool TDEStorageDevice::ejectDrive() {
if (ejectDriveUDisks2(this)) {
return TRUE;
}
else {
#ifdef WITH_UDISKS2
printf("[tdehwlib] Failed to eject drive '%s' via udisks2, falling back to alternate mechanism\n", deviceNode().ascii());
#endif // WITH_UDISKS2
if (ejectDriveUDisks(this)) {
return TRUE;
}
else {
#ifdef WITH_UDISKS
printf("[tdehwlib] Failed to eject drive '%s' via udisks, falling back to alternate mechanism\n", deviceNode().ascii());
#endif // WITH_UDISKS
TQString command = TQString("eject -v '%1' 2>&1").arg(deviceNode());
FILE *exepipe = popen(command.ascii(), "r");
if (exepipe) {
TQString pmount_output;
char buffer[8092];
pmount_output = fgets(buffer, sizeof(buffer), exepipe);
int retcode = pclose(exepipe);
if (retcode == 0) {
return TRUE;
}
else {
printf("[tdehwlib] Failed to eject drive '%s' via 'eject' command\n", deviceNode().ascii());
return FALSE;
}
}
else {
printf("[tdehwlib] Failed to eject drive '%s' via 'eject' command\n", deviceNode().ascii());
return FALSE;
}
}
}
}
bool TDEStorageDevice::ejectDriveMedia() {
int fd = open(deviceNode().ascii(), O_RDWR | O_NONBLOCK);
if (fd < 0) {
return false;
}
if (ioctl(fd, CDROMEJECT) != 0) {
close(fd);
return false;
}
else {
close(fd);
return true;
}
}
TQString TDEStorageDevice::diskLabel() {
return m_diskName;
}
void TDEStorageDevice::internalSetDiskLabel(TQString dn) {
m_diskName = dn;
}
bool TDEStorageDevice::mediaInserted() {
return m_mediaInserted;
}
void TDEStorageDevice::internalSetMediaInserted(bool inserted) {
m_mediaInserted = inserted;
}
TQString TDEStorageDevice::fileSystemName() {
return m_fileSystemName;
}
void TDEStorageDevice::internalSetFileSystemName(TQString fn) {
m_fileSystemName = fn;
}
TQString TDEStorageDevice::fileSystemUsage() {
return m_fileSystemUsage;
}
void TDEStorageDevice::internalSetFileSystemUsage(TQString fu) {
m_fileSystemUsage = fu;
}
TQString TDEStorageDevice::diskUUID() {
return m_diskUUID;
}
void TDEStorageDevice::internalSetDiskUUID(TQString id) {
m_diskUUID = id;
}
TQStringList TDEStorageDevice::holdingDevices() {
return m_holdingDevices;
}
void TDEStorageDevice::internalSetHoldingDevices(TQStringList hd) {
m_holdingDevices = hd;
}
TQStringList TDEStorageDevice::slaveDevices() {
return m_slaveDevices;
}
void TDEStorageDevice::internalSetSlaveDevices(TQStringList sd) {
m_slaveDevices = sd;
}
TQString TDEStorageDevice::friendlyName() {
// Return the actual storage device name
TQString devicevendorid = vendorEncoded();
TQString devicemodelid = modelEncoded();
devicevendorid.replace("\\x20", " ");
devicemodelid.replace("\\x20", " ");
devicevendorid = devicevendorid.stripWhiteSpace();
devicemodelid = devicemodelid.stripWhiteSpace();
devicevendorid = devicevendorid.simplifyWhiteSpace();
devicemodelid = devicemodelid.simplifyWhiteSpace();
TQString devicename = devicevendorid + " " + devicemodelid;
devicename = devicename.stripWhiteSpace();
devicename = devicename.simplifyWhiteSpace();
if (devicename != "") {
return devicename;
}
if (isDiskOfType(TDEDiskDeviceType::Camera)) {
return TDEGenericDevice::friendlyName();
}
if (isDiskOfType(TDEDiskDeviceType::Floppy)) {
return friendlyDeviceType();
}
TQString label = diskLabel();
if (label.isNull()) {
if (deviceSize() > 0) {
if (checkDiskStatus(TDEDiskDeviceStatus::Hotpluggable)) {
label = i18n("%1 Removable Device").arg(deviceFriendlySize());
}
else {
label = i18n("%1 Fixed Storage Device").arg(deviceFriendlySize());
}
}
}
if (!label.isNull()) {
return label;
}
return friendlyDeviceType();
}
TQString TDEStorageDevice::friendlyDeviceType() {
TQString ret = i18n("Hard Disk Drive");
// Keep this in sync with TDEStorageDevice::icon(TDEIcon::StdSizes size) below
if (isDiskOfType(TDEDiskDeviceType::Floppy)) {
ret = i18n("Floppy Drive");
}
if (isDiskOfType(TDEDiskDeviceType::Optical)) {
ret = i18n("Optical Drive");
}
if (isDiskOfType(TDEDiskDeviceType::CDROM)) {
ret = i18n("CDROM Drive");
}
if (isDiskOfType(TDEDiskDeviceType::CDRW)) {
ret = i18n("CDRW Drive");
}
if (isDiskOfType(TDEDiskDeviceType::DVDROM)) {
ret = i18n("DVD Drive");
}
if (isDiskOfType(TDEDiskDeviceType::DVDRW)) {
ret = i18n("DVDRW Drive");
}
if (isDiskOfType(TDEDiskDeviceType::DVDRAM)) {
ret = i18n("DVDRAM Drive");
}
if (isDiskOfType(TDEDiskDeviceType::Zip)) {
ret = i18n("Zip Drive");
}
if (isDiskOfType(TDEDiskDeviceType::Tape)) {
ret = i18n("Tape Drive");
}
if (isDiskOfType(TDEDiskDeviceType::Camera)) {
ret = i18n("Digital Camera");
}
if (isDiskOfType(TDEDiskDeviceType::HDD)) {
ret = i18n("Hard Disk Drive");
if (checkDiskStatus(TDEDiskDeviceStatus::Hotpluggable)) {
ret = i18n("Removable Storage");
}
if (isDiskOfType(TDEDiskDeviceType::CompactFlash)) {
ret = i18n("Compact Flash");
}
if (isDiskOfType(TDEDiskDeviceType::MemoryStick)) {
ret = i18n("Memory Stick");
}
if (isDiskOfType(TDEDiskDeviceType::SmartMedia)) {
ret = i18n("Smart Media");
}
if (isDiskOfType(TDEDiskDeviceType::SDMMC)) {
ret = i18n("Secure Digital");
}
}
if (isDiskOfType(TDEDiskDeviceType::RAM)) {
ret = i18n("Random Access Memory");
}
if (isDiskOfType(TDEDiskDeviceType::Loop)) {
ret = i18n("Loop Device");
}
return ret;
}
TQPixmap TDEStorageDevice::icon(TDEIcon::StdSizes size) {
TQPixmap ret = DesktopIcon("hdd_unmount", size);
if (isDiskOfType(TDEDiskDeviceType::Floppy)) {
ret = DesktopIcon("3floppy_unmount", size);
}
if (isDiskOfType(TDEDiskDeviceType::Optical)) {
ret = DesktopIcon("cdrom_unmount", size);
}
if (isDiskOfType(TDEDiskDeviceType::CDROM)) {
ret = DesktopIcon("cdrom_unmount", size);
}
if (isDiskOfType(TDEDiskDeviceType::CDRW)) {
ret = DesktopIcon("cdwriter_unmount", size);
}
if (isDiskOfType(TDEDiskDeviceType::DVDROM)) {
ret = DesktopIcon("dvd_unmount", size);
}
if (isDiskOfType(TDEDiskDeviceType::DVDRW)) {
ret = DesktopIcon("dvd_unmount", size);
}
if (isDiskOfType(TDEDiskDeviceType::DVDRAM)) {
ret = DesktopIcon("dvd_unmount", size);
}
if (isDiskOfType(TDEDiskDeviceType::Zip)) {
ret = DesktopIcon("zip_unmount", size);
}
if (isDiskOfType(TDEDiskDeviceType::Tape)) {
ret = DesktopIcon("tape_unmount", size);
}
if (isDiskOfType(TDEDiskDeviceType::Camera)) {
ret = DesktopIcon("camera_unmount");
}
if (isDiskOfType(TDEDiskDeviceType::HDD)) {
ret = DesktopIcon("hdd_unmount", size);
if (checkDiskStatus(TDEDiskDeviceStatus::Hotpluggable)) {
ret = DesktopIcon("usbpendrive_unmount", size);
}
if (isDiskOfType(TDEDiskDeviceType::CompactFlash)) {
ret = DesktopIcon("compact_flash_unmount", size);
}
if (isDiskOfType(TDEDiskDeviceType::MemoryStick)) {
ret = DesktopIcon("memory_stick_unmount", size);
}
if (isDiskOfType(TDEDiskDeviceType::SmartMedia)) {
ret = DesktopIcon("smart_media_unmount", size);
}
if (isDiskOfType(TDEDiskDeviceType::SDMMC)) {
ret = DesktopIcon("sd_mmc_unmount", size);
}
}
if (isDiskOfType(TDEDiskDeviceType::RAM)) {
ret = DesktopIcon("memory", size);
}
if (isDiskOfType(TDEDiskDeviceType::Loop)) {
ret = DesktopIcon("blockdevice", size);
}
return ret;
}
unsigned long long TDEStorageDevice::deviceSize() {
TQString bsnodename = systemPath();
bsnodename.append("/queue/physical_block_size");
TQFile bsfile( bsnodename );
TQString blocksize;
if ( bsfile.open( IO_ReadOnly ) ) {
TQTextStream stream( &bsfile );
blocksize = stream.readLine();
bsfile.close();
}
else {
// Drat, I can't get a guaranteed block size. Assume a block size of 512, as everything I have read indicates that /sys/block/<dev>/size is given in terms of a 512 byte block...
blocksize = "512";
}
TQString dsnodename = systemPath();
dsnodename.append("/size");
TQFile dsfile( dsnodename );
TQString devicesize;
if ( dsfile.open( IO_ReadOnly ) ) {
TQTextStream stream( &dsfile );
devicesize = stream.readLine();
dsfile.close();
}
return ((unsigned long long)blocksize.toULong()*(unsigned long long)devicesize.toULong());
}
TQString TDEStorageDevice::deviceFriendlySize() {
return TDEHardwareDevices::bytesToFriendlySizeString(deviceSize());
}
TQString TDEStorageDevice::mountPath() {
// See if this device node is mounted
// This requires parsing /proc/mounts, looking for deviceNode()
// The Device Mapper throws a monkey wrench into this
// It likes to advertise mounts as /dev/mapper/<something>,
// where <something> is listed in <system path>/dm/name
// First, ensure that all device information (mainly holders/slaves) is accurate
TDEGlobal::hardwareDevices()->rescanDeviceInformation(this);
TQString dmnodename = systemPath();
dmnodename.append("/dm/name");
TQFile namefile( dmnodename );
TQString dmaltname;
if ( namefile.open( IO_ReadOnly ) ) {
TQTextStream stream( &namefile );
dmaltname = stream.readLine();
namefile.close();
}
if (!dmaltname.isNull()) {
dmaltname.prepend("/dev/mapper/");
}
TQStringList lines;
TQFile file( "/proc/mounts" );
if ( file.open( IO_ReadOnly ) ) {
TQTextStream stream( &file );
TQString line;
while ( !stream.atEnd() ) {
line = stream.readLine();
TQStringList mountInfo = TQStringList::split(" ", line, true);
TQString testNode = *mountInfo.at(0);
// Check for match
if ((testNode == deviceNode()) || (testNode == dmaltname) || (testNode == ("/dev/disk/by-uuid/" + diskUUID()))) {
TQString ret = *mountInfo.at(1);
ret.replace("\\040", " ");
return ret;
}
lines += line;
}
file.close();
}
// While this device is not directly mounted, it could concievably be mounted via the Device Mapper
// If so, try to retrieve the mount path...
TQStringList slaveDeviceList = holdingDevices();
for ( TQStringList::Iterator slavedevit = slaveDeviceList.begin(); slavedevit != slaveDeviceList.end(); ++slavedevit ) {
// Try to locate this device path in the TDE device tree
TDEHardwareDevices *hwdevices = TDEGlobal::hardwareDevices();
TDEGenericDevice *hwdevice = hwdevices->findBySystemPath(*slavedevit);
if ((hwdevice) && (hwdevice->type() == TDEGenericDeviceType::Disk)) {
TDEStorageDevice* sdevice = static_cast<TDEStorageDevice*>(hwdevice);
return sdevice->mountPath();
}
}
return TQString::null;
}
TQString TDEStorageDevice::mountDevice(TQString mediaName, TDEStorageMountOptions mountOptions, TQString* errRet, int* retcode) {
int internal_retcode;
if (!retcode) {
retcode = &internal_retcode;
}
TQString ret = mountPath();
if (!ret.isNull()) {
return ret;
}
// Create dummy password file
KTempFile passwordFile(TQString::null, "tmp", 0600);
passwordFile.setAutoDelete(true);
TQString optionString;
if (mountOptions["ro"] == "true") {
optionString.append(" -r");
}
if (mountOptions["atime"] != "true") {
optionString.append(" -A");
}
if (mountOptions["utf8"] == "true") {
optionString.append(" -c utf8");
}
if (mountOptions["sync"] == "true") {
optionString.append(" -s");
}
if (mountOptions.contains("filesystem")) {
optionString.append(TQString(" -t %1").arg(mountOptions["filesystem"]));
}
if (mountOptions.contains("locale")) {
optionString.append(TQString(" -c %1").arg(mountOptions["locale"]));
}
TQString passFileName = passwordFile.name();
TQString devNode = deviceNode();
passFileName.replace("'", "'\\''");
devNode.replace("'", "'\\''");
mediaName.replace("'", "'\\''");
TQString command = TQString("pmount -p '%1' %2 '%3' '%4' 2>&1").arg(passFileName).arg(optionString).arg(devNode).arg(mediaName);
FILE *exepipe = popen(command.ascii(), "r");
if (exepipe) {
TQString pmount_output;
char buffer[8092];
pmount_output = fgets(buffer, sizeof(buffer), exepipe);
*retcode = pclose(exepipe);
if (errRet) {
*errRet = pmount_output;
}
}
// Update internal mount data
TDEGlobal::hardwareDevices()->processModifiedMounts();
ret = mountPath();
return ret;
}
TQString TDEStorageDevice::mountEncryptedDevice(TQString passphrase, TQString mediaName, TDEStorageMountOptions mountOptions, TQString* errRet, int* retcode) {
int internal_retcode;
if (!retcode) {
retcode = &internal_retcode;
}
TQString ret = mountPath();
if (!ret.isNull()) {
return ret;
}
// Create dummy password file
KTempFile passwordFile(TQString::null, "tmp", 0600);
passwordFile.setAutoDelete(true);
TQFile* pwFile = passwordFile.file();
if (!pwFile) {
return TQString::null;
}
pwFile->writeBlock(passphrase.ascii(), passphrase.length());
pwFile->flush();
TQString optionString;
if (mountOptions["ro"] == "true") {
optionString.append(" -r");
}
if (mountOptions["atime"] != "true") {
optionString.append(" -A");
}
if (mountOptions["utf8"] == "true") {
optionString.append(" -c utf8");
}
if (mountOptions["sync"] == "true") {
optionString.append(" -s");
}
if (mountOptions.contains("filesystem")) {
optionString.append(TQString(" -t %1").arg(mountOptions["filesystem"]));
}
if (mountOptions.contains("locale")) {
optionString.append(TQString(" -c %1").arg(mountOptions["locale"]));
}
TQString passFileName = passwordFile.name();
TQString devNode = deviceNode();
passFileName.replace("'", "'\\''");
devNode.replace("'", "'\\''");
mediaName.replace("'", "'\\''");
TQString command = TQString("pmount -p '%1' %2 '%3' '%4' 2>&1").arg(passFileName).arg(optionString).arg(devNode).arg(mediaName);
FILE *exepipe = popen(command.ascii(), "r");
if (exepipe) {
TQString pmount_output;
char buffer[8092];
pmount_output = fgets(buffer, sizeof(buffer), exepipe);
*retcode = pclose(exepipe);
if (errRet) {
*errRet = pmount_output;
}
}
// Update internal mount data
TDEGlobal::hardwareDevices()->processModifiedMounts();
ret = mountPath();
return ret;
}
bool TDEStorageDevice::unmountDevice(TQString* errRet, int* retcode) {
int internal_retcode;
if (!retcode) {
retcode = &internal_retcode;
}
TQString mountpoint = mountPath();
if (mountpoint.isNull()) {
return true;
}
mountpoint.replace("'", "'\\''");
TQString command = TQString("pumount '%1' 2>&1").arg(mountpoint);
FILE *exepipe = popen(command.ascii(), "r");
if (exepipe) {
TQString pmount_output;
char buffer[8092];
pmount_output = fgets(buffer, sizeof(buffer), exepipe);
*retcode = pclose(exepipe);
if (*retcode == 0) {
return true;
}
else {
if (errRet) {
*errRet = pmount_output;
}
}
}
// Update internal mount data
TDEGlobal::hardwareDevices()->processModifiedMounts();
return false;
}
TQString TDEStorageDevice::determineFileSystemType(TQString path) {
TQStringList mountTable;
TQString prevPath = path;
dev_t prevDev = 0;
int pos;
struct stat directory_info;
if (path.startsWith("/")) {
stat(path.ascii(), &directory_info);
prevDev = directory_info.st_dev;
// Walk the directory tree up to the root, checking for any change in st_dev
// If a change is found, the previous value of path is the mount point itself
while (path != "/") {
pos = path.findRev("/", -1, TRUE);
if (pos < 0) {
break;
}
path = path.mid(0, pos);
if (path == "") {
path = "/";
}
stat(path.ascii(), &directory_info);
if (directory_info.st_dev != prevDev) {
break;
}
prevPath = path;
prevDev = directory_info.st_dev;
}
}
// Read in mount table
mountTable.clear();
TQFile file( "/proc/mounts" );
if ( file.open( IO_ReadOnly ) ) {
TQTextStream stream( &file );
while ( !stream.atEnd() ) {
mountTable.append(stream.readLine());
}
file.close();
}
// Parse mount table
TQStringList::Iterator it;
for ( it = mountTable.begin(); it != mountTable.end(); ++it ) {
TQStringList mountInfo = TQStringList::split(" ", (*it), true);
if ((*mountInfo.at(1)) == prevPath) {
return (*mountInfo.at(2));
}
}
// Unknown file system type
return TQString::null;
}
#include "tdestoragedevice.moc"