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tdelibs/tdecore/tdehardwaredevices.h

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/* This file is part of the TDE libraries
Copyright (C) 2012 Timothy Pearson <kb9vqf@pearsoncomputing.net>
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.
*/
#ifndef _TDEHARDWAREDEVICES_H
#define _TDEHARDWAREDEVICES_H
// TDE includes
#include <tqobject.h>
#include <tqstring.h>
#include <tqptrlist.h>
#include <tqstringlist.h>
#include "tdelibs_export.h"
// udev includes
#include <libudev.h>
#include <stdio.h>
#include <stdlib.h>
#include <locale.h>
#include <unistd.h>
/**
* Hardware Device Access and Monitoring Library
*
* @author Timothy Pearson
*/
// Keep readGenericDeviceTypeFromString() in tdehardwaredevices.cpp in sync with this enum
namespace TDEGenericDeviceType {
enum TDEGenericDeviceType {
Root,
CPU,
GPU,
RAM,
Mainboard,
Disk,
StorageController,
Mouse,
Keyboard,
HID,
Network,
Printer,
Scanner,
Sound,
IEEE1394,
Camera,
TextIO,
Peripheral,
Battery,
Power,
ThermalSensor,
ThermalControl,
OtherACPI,
OtherUSB,
OtherPeripheral,
OtherSensor,
Other
};
};
// Keep readDiskDeviceSubtypeFromString() in tdehardwaredevices.cpp in sync with this enum
namespace TDEDiskDeviceType {
enum TDEDiskDeviceType {
Null = 0x00000000,
MediaDevice = 0x00000001,
Floppy = 0x00000002,
CDROM = 0x00000004,
CDRW = 0x00000008,
DVDROM = 0x00000010,
DVDRAM = 0x00000020,
DVDRW = 0x00000040,
BDROM = 0x00000080,
BDRW = 0x00000100,
Zip = 0x00000200,
Jaz = 0x00000400,
Camera = 0x00000800,
LUKS = 0x00001000,
OtherCrypted = 0x00002000,
CDAudio = 0x00004000,
CDVideo = 0x00008000,
DVDVideo = 0x00010000,
BDVideo = 0x00020000,
Flash = 0x00040000,
USB = 0x00080000,
Tape = 0x00100000,
HDD = 0x00200000,
Optical = 0x00400000,
RAM = 0x00800000,
Loop = 0x01000000,
CompactFlash = 0x02000000,
MemoryStick = 0x04000000,
SmartMedia = 0x08000000,
SDMMC = 0x10000000,
UnlockedCrypt = 0x20000000,
Other = 0x80000000
};
inline TDEDiskDeviceType operator|(TDEDiskDeviceType a, TDEDiskDeviceType b)
{
return static_cast<TDEDiskDeviceType>(static_cast<int>(a) | static_cast<int>(b));
}
inline TDEDiskDeviceType operator&(TDEDiskDeviceType a, TDEDiskDeviceType b)
{
return static_cast<TDEDiskDeviceType>(static_cast<int>(a) & static_cast<int>(b));
}
inline TDEDiskDeviceType operator~(TDEDiskDeviceType a)
{
return static_cast<TDEDiskDeviceType>(~static_cast<int>(a));
}
};
namespace TDEDiskDeviceStatus {
enum TDEDiskDeviceStatus {
Null = 0x00000000,
Mountable = 0x00000001,
Removable = 0x00000002,
Inserted = 0x00000004,
Blank = 0x00000008,
UsedByDevice = 0x00000010,
UsesDevice = 0x00000020,
ContainsFilesystem = 0x00000040,
Other = 0x80000000
};
inline TDEDiskDeviceStatus operator|(TDEDiskDeviceStatus a, TDEDiskDeviceStatus b)
{
return static_cast<TDEDiskDeviceStatus>(static_cast<int>(a) | static_cast<int>(b));
}
inline TDEDiskDeviceStatus operator&(TDEDiskDeviceStatus a, TDEDiskDeviceStatus b)
{
return static_cast<TDEDiskDeviceStatus>(static_cast<int>(a) & static_cast<int>(b));
}
inline TDEDiskDeviceStatus operator~(TDEDiskDeviceStatus a)
{
return static_cast<TDEDiskDeviceStatus>(~static_cast<int>(a));
}
};
class TDECORE_EXPORT TDEGenericDevice
{
public:
/**
* Constructor.
* @param Device type
*/
TDEGenericDevice(TDEGenericDeviceType::TDEGenericDeviceType dt, TQString dn=TQString::null);
/**
* Destructor.
*/
~TDEGenericDevice();
/**
* @return a TDEGenericDeviceType::TDEGenericDeviceType specifying the device type
*/
TDEGenericDeviceType::TDEGenericDeviceType type();
/**
* @return a TQString with the device name, if any
*/
TQString &name();
/**
* @param a TQString with the device name, if any
*/
void setName(TQString dn);
/**
* @return a TQString with the vendor name, if any
*/
TQString &vendorName();
/**
* @param a TQString with the vendor name, if any
*/
void setVendorName(TQString vn);
/**
* @return a TQString with the vendor model, if any
*/
TQString &vendorModel();
/**
* @param a TQString with the vendor model, if any
*/
void setVendorModel(TQString vm);
/**
* @return a TQString with the device bus name, if any
*/
TQString &deviceBus();
/**
* @param a TQString with the device bus name, if any
*/
void setDeviceBus(TQString db);
/**
* @return a TQString with the system path, if any
*
* This method is non-portable, so be careful!
*/
TQString &systemPath();
/**
* @param a TQString with the system path, if any
*
* This method is non-portable, so be careful!
*/
void setSystemPath(TQString sp);
/**
* @return a TQString with the system device node, if any
*
* This method is non-portable, so be careful!
*/
TQString &deviceNode();
/**
* @param a TQString with the system device node, if any
*
* This method is non-portable, so be careful!
*/
void setDeviceNode(TQString sn);
/**
* @return true if this device has been blacklisted for update actions
*/
bool blacklistedForUpdate();
/**
* @param bl true if this device has been blacklisted for update actions
*/
void setBlacklistedForUpdate(bool bl);
/**
* @return a TQString containing a unique identifier for this device
*/
TQString uniqueID();
/**
* @return a TQString with the vendor ID, if any
*/
TQString &vendorID();
/**
* @param a TQString with the vendor ID, if any
*/
void setVendorID(TQString id);
/**
* @return a TQString with the model ID, if any
*/
TQString &modelID();
/**
* @param a TDEGenericDevice* with the parent device, if any
*/
void setParentDevice(TDEGenericDevice* pd);
/**
* @return a TDEGenericDevice* with the parent device, if any
*/
TDEGenericDevice* parentDevice();
/**
* @param a TQString with the model ID, if any
*/
void setModelID(TQString id);
private:
TDEGenericDeviceType::TDEGenericDeviceType m_deviceType;
TQString m_deviceName;
TQString m_systemPath;
TQString m_deviceNode;
TQString m_vendorName;
TQString m_vendorModel;
TQString m_deviceBus;
TQString m_uniqueID;
TQString m_vendorID;
TQString m_modelID;
bool m_blacklistedForUpdate;
TDEGenericDevice* m_parentDevice;
// Internal use only!
TQStringList m_externalSubtype;
TQString m_externalRulesFile;
friend class TDEHardwareDevices;
};
class TDECORE_EXPORT TDEStorageDevice : public TDEGenericDevice
{
public:
/**
* Constructor.
* @param Device type
*/
TDEStorageDevice(TDEGenericDeviceType::TDEGenericDeviceType dt, TQString dn=TQString::null);
/**
* Destructor.
*/
~TDEStorageDevice();
/**
* @return a TQString with the disk or partition label, if any
*/
TQString &diskLabel();
/**
* @param a TQString with the disk or partition label, if any
*/
void setDiskLabel(TQString dn);
/**
* @return a TQString with the disk UUID, if any
*/
TQString &diskUUID();
/**
* @param a TQString with the disk UUID, if any
*/
void setDiskUUID(TQString id);
/**
* @return an OR-ed combination of TDEDiskDeviceType::TDEDiskDeviceType type flags
*/
TDEDiskDeviceType::TDEDiskDeviceType diskType();
/**
* @param an OR-ed combination of TDEDiskDeviceType::TDEDiskDeviceType type flags
*/
void setDiskType(TDEDiskDeviceType::TDEDiskDeviceType tf);
/**
* @param an OR-ed combination of TDEDiskDeviceType::TDEDiskDeviceType type flags
*/
bool isDiskOfType(TDEDiskDeviceType::TDEDiskDeviceType tf);
/**
* @return an OR-ed combination of TDEDiskDeviceStatus::TDEDiskDeviceStatus type flags
*/
TDEDiskDeviceStatus::TDEDiskDeviceStatus diskStatus();
/**
* @param an OR-ed combination of TDEDiskDeviceStatus::TDEDiskDeviceStatus type flags
*/
void setDiskStatus(TDEDiskDeviceStatus::TDEDiskDeviceStatus st);
/**
* @param an OR-ed combination of TDEDiskDeviceStatus::TDEDiskDeviceStatus type flags
*/
bool checkDiskStatus(TDEDiskDeviceStatus::TDEDiskDeviceStatus sf);
/**
* @return true if media inserted, false if no media available
*/
bool mediaInserted();
/**
* @param a bool with the media status
*/
void setMediaInserted(bool inserted);
/**
* @return a TQString with the filesystem name, if any
*/
TQString &fileSystemName();
/**
* @param a TQString with the filesystem name, if any
*/
void setFileSystemName(TQString fn);
/**
* @return a TQString with the filesystem usage string, if any
*/
TQString &fileSystemUsage();
/**
* @param a TQString with the filesystem usage string, if any
*/
void setFileSystemUsage(TQString fu);
/**
* @return a TQStringList containing system paths to all devices with a lock on this device, if any
*/
TQStringList &holdingDevices();
/**
* @param a TQStringList containing system paths to all devices with a lock on this device, if any
*/
void setHoldingDevices(TQStringList hd);
/**
* @return a TQStringList containing system paths to all devices locked by this device, if any
*/
TQStringList &slaveDevices();
/**
* @param a TQStringList containing system paths to all devices locked by this device, if any
*/
void setSlaveDevices(TQStringList sd);
/**
* Mounts the device if not encrypted
*
* @param a TQString containing a requested mount name under /media, if desired
* @param a TQString containing any mount options for pmount, if desired
* @param a pointer to a TQString which will be populated with any error messages from pmount, if desired
* @param a pointer to an integer which will be populated with the return code from pmount, if desired
*
* @return a TQString with the mount path, if successful
*/
TQString mountDevice(TQString mediaName=TQString::null, TQString mountOptions=TQString::null, TQString* errRet=0, int* retcode=0);
/**
* Mounts the encrypted device if the correct passphrase is given
*
* @param a TQString containing the passphrase
* @param a TQString containing a requested mount name under /media, if desired
* @param a TQString containing any mount options for pmount, if desired
* @param a pointer to a TQString which will be populated with any error messages from pmount, if desired
* @param a pointer to an integer which will be populated with the return code from pmount, if desired
*
* @return a TQString with the mount path, if successful
*/
TQString mountEncryptedDevice(TQString passphrase, TQString mediaName=TQString::null, TQString mountOptions=TQString::null, TQString* errRet=0, int* retcode=0);
/**
* Unmounts the device
*
* @param a pointer to a TQString which will be populated with any error messages from pmount, if desired
* @param a pointer to an integer which will be populated with the return code from pmount, if desired
*
* @return TRUE if unmount was successful
*/
bool unmountDevice(TQString* errRet, int* retcode=0);
/**
* @return a TQString with the mount path, if mounted
*/
TQString mountPath();
/**
* @return an unsigned long with the device size in bytes
*/
unsigned long deviceSize();
/**
* @return a TQString with the device size in human readable form
*/
TQString deviceFriendlySize();
private:
TDEDiskDeviceType::TDEDiskDeviceType m_diskType;
TDEDiskDeviceStatus::TDEDiskDeviceStatus m_diskStatus;
TQString m_diskName;
TQString m_diskUUID;
TQString m_fileSystemName;
TQString m_fileSystemUsage;
bool m_mediaInserted;
TQString m_mountPath;
TQStringList m_holdingDevices;
TQStringList m_slaveDevices;
};
typedef TQPtrList<TDEGenericDevice> TDEGenericHardwareList;
class TQSocketNotifier;
class TDECORE_EXPORT TDEHardwareDevices : public TQObject
{
Q_OBJECT
public:
/**
* Constructor.
*/
TDEHardwareDevices();
/**
* Destructor.
*/
~TDEHardwareDevices();
/**
* Query all hardware capabilities on all devices
* This does not normally need to be called by an application, as
* device detection is handled internally and automatically
*
* A call to this method immediately invalidates any TDEGenericHardwareList
* structures returned by listAllPhysicalDevices()
*
* @return TRUE if successful
*/
bool queryHardwareInformation();
/**
* List all hardware capabilities on all devices
* @return TQPtrList<TDEGenericDevice> containing all known hardware devices
*/
TQPtrList<TDEGenericDevice> listAllPhysicalDevices();
/**
* List all hardware capabilities on all devices
* @param a TDEGenericDeviceType::TDEGenericDeviceType specifying the device class
* @return TQPtrList<TDEGenericDevice> containing all known hardware devices
*/
TQPtrList<TDEGenericDevice> listByDeviceClass(TDEGenericDeviceType::TDEGenericDeviceType cl);
/**
* Return the device with system path @arg syspath, or 0 if no device exists for that path
* @return TDEGenericDevice
*/
TDEGenericDevice* findBySystemPath(TQString syspath);
/**
* Return the device with device node @arg devnode, or 0 if no device exists at that node
* @return TDEGenericDevice
*/
TDEGenericDevice* findByDeviceNode(TQString devnode);
/**
* Return the storage device with unique ID @arg uid, or 0 if no device exists for that uid
* @return TDEGenericDevice
*/
TDEStorageDevice* findDiskByUID(TQString uid);
signals:
void hardwareAdded(TDEGenericDevice*);
void hardwareRemoved(TDEGenericDevice*);
void hardwareUpdated(TDEGenericDevice*);
void mountTableModified();
private slots:
void processHotPluggedHardware();
void processModifiedMounts();
private:
void rescanDeviceInformation(TDEGenericDevice* hwdevice);
void updateBlacklists(TDEGenericDevice* hwdevice, udev_device* dev);
private:
TDEGenericDevice *classifyUnknownDevice(udev_device* dev, TDEGenericDevice* existingdevice=0, bool force_full_classification=true);
TDEGenericDevice *classifyUnknownDeviceByExternalRules(udev_device* dev, TDEGenericDevice* existingdevice=0, bool classifySubDevices=false);
void updateParentDeviceInformation();
void updateParentDeviceInformation(TDEGenericDevice* hwdevice);
void addCoreSystemDevices();
struct udev *m_udevStruct;
struct udev_monitor *m_udevMonitorStruct;
TDEGenericHardwareList m_deviceList;
int m_procMountsFd;
TQSocketNotifier* m_devScanNotifier;
TQSocketNotifier* m_mountScanNotifier;
TQStringList m_mountTable;
friend class TDEGenericDevice;
friend class TDEStorageDevice;
};
#endif