Merge commit 'partitions'

This commit is contained in:
Adriaan de Groot 2017-07-11 17:46:47 -04:00
commit 33bca6d71d
3 changed files with 121 additions and 79 deletions

View File

@ -22,7 +22,11 @@
#include "core/DeviceModel.h"
#include "core/KPMHelpers.h"
#include "core/PartitionIterator.h"
#include <kpmcore/backend/corebackend.h>
#include <kpmcore/backend/corebackendmanager.h>
#include <kpmcore/core/device.h>
#include <kpmcore/core/partition.h>
#include <utils/Logger.h>
@ -325,4 +329,95 @@ runOsprober( PartitionCoreModule* core )
}
/**
* Does the given @p device contain the root filesystem? This is true if
* the device contains a partition which is currently mounted at / .
*/
static bool
hasRootPartition( Device* device )
{
for ( auto it = PartitionIterator::begin( device ); it != PartitionIterator::end( device ); ++it )
if ( ( *it )->mountPoint() == "/" )
return true;
return false;
}
static bool
isMounted( Device* device )
{
cDebug() << "Checking for mounted partitions in" << device->deviceNode();
for ( auto it = PartitionIterator::begin( device ); it != PartitionIterator::end( device ); ++it )
{
cDebug() << " .." << ( *it )->partitionPath() << "mount" << ( *it )->mountPoint();
if ( ! ( *it )->mountPoint().isEmpty() )
return true;
}
return false;
}
static bool
isIso9660( const Device* device )
{
QString path = device->deviceNode();
if ( path.isEmpty() )
return false;
QProcess blkid;
blkid.start( "blkid", { path } );
blkid.waitForFinished();
QString output = QString::fromLocal8Bit( blkid.readAllStandardOutput() );
if ( output.contains( "iso9660" ) )
return true;
if ( device->partitionTable() &&
!device->partitionTable()->children().isEmpty() )
{
for ( const Partition* partition : device->partitionTable()->children() )
{
path = partition->partitionPath();
blkid.start( "blkid", { path } );
blkid.waitForFinished();
QString output = QString::fromLocal8Bit( blkid.readAllStandardOutput() );
if ( output.contains( "iso9660" ) )
return true;
}
}
return false;
}
QList< Device* > getDevices( bool writableOnly )
{
using DeviceList = QList< Device* >;
CoreBackend* backend = CoreBackendManager::self()->backend();
DeviceList devices = backend->scanDevices( true );
cDebug() << "Winnowing" << devices.count() << "devices.";
// Remove the device which contains / from the list
for ( DeviceList::iterator it = devices.begin(); it != devices.end(); )
if ( ! ( *it ) ||
( *it )->deviceNode().startsWith( "/dev/zram" )
)
{
cDebug() << " .. Winnowing" << ( ( *it ) ? ( *it )->deviceNode() : QString( "<null device>" ) );
it = devices.erase( it );
}
else if ( writableOnly && (
hasRootPartition( *it ) ||
isIso9660( *it ) ||
isMounted( *it ) )
)
{
cDebug() << " .. Winnowing" << ( ( *it ) ? ( *it )->deviceNode() : QString( "<null device>" ) );
it = devices.erase( it );
}
else
++it;
return devices;
}
} // nmamespace PartUtils

View File

@ -23,6 +23,7 @@
#include <QString>
class Device;
class PartitionCoreModule;
class Partition;
@ -62,6 +63,14 @@ bool canBeResized( PartitionCoreModule* core, const QString& partitionPath );
*/
OsproberEntryList runOsprober( PartitionCoreModule* core );
/**
* @brief Gets a list of storage devices.
* @param writableOnly if set to true, only devices which can be overwritten
* safely are returned (e.g. RO-media are ignored, as are mounted partitions).
* @return a list of Devices meeting this criterium.
*/
QList< Device* > getDevices( bool writableOnly = false );
}
#endif // PARTUTILS_H

View File

@ -55,45 +55,6 @@
#include <QFutureWatcher>
#include <QtConcurrent/QtConcurrent>
static bool
hasRootPartition( Device* device )
{
for ( auto it = PartitionIterator::begin( device ); it != PartitionIterator::end( device ); ++it )
if ( ( *it )->mountPoint() == "/" )
return true;
return false;
}
static bool
isIso9660( const Device* device )
{
QString path = device->deviceNode();
if ( path.isEmpty() )
return false;
QProcess blkid;
blkid.start( "blkid", { path } );
blkid.waitForFinished();
QString output = QString::fromLocal8Bit( blkid.readAllStandardOutput() );
if ( output.contains( "iso9660" ) )
return true;
if ( device->partitionTable() &&
!device->partitionTable()->children().isEmpty() )
{
for ( const Partition* partition : device->partitionTable()->children() )
{
path = partition->partitionPath();
blkid.start( "blkid", { path } );
blkid.waitForFinished();
QString output = QString::fromLocal8Bit( blkid.readAllStandardOutput() );
if ( output.contains( "iso9660" ) )
return true;
}
}
return false;
}
//- DeviceInfo ---------------------------------------------
PartitionCoreModule::DeviceInfo::DeviceInfo( Device* _device )
: device( _device )
@ -154,23 +115,7 @@ PartitionCoreModule::doInit()
FileSystemFactory::init();
using DeviceList = QList< Device* >;
CoreBackend* backend = CoreBackendManager::self()->backend();
DeviceList devices = backend->scanDevices( true );
cDebug() << "Winnowing" << devices.count() << "devices.";
// Remove the device which contains / from the list
for ( DeviceList::iterator it = devices.begin(); it != devices.end(); )
if ( ! (*it) || hasRootPartition( *it ) ||
(*it)->deviceNode().startsWith( "/dev/zram") ||
isIso9660( *it ) )
{
cDebug() << " .. Winnowing" << ( (*it) ? (*it)->deviceNode() : QString( "<null device>" ) );
it = devices.erase( it );
}
else
++it;
DeviceList devices = PartUtils::getDevices( true );
cDebug() << "LIST OF DETECTED DEVICES:";
cDebug() << "node\tcapacity\tname\tprettyName";
@ -200,32 +145,29 @@ PartitionCoreModule::doInit()
for ( auto deviceInfo : m_deviceInfos )
{
for ( auto it = PartitionIterator::begin( deviceInfo->device.data() );
it != PartitionIterator::end( deviceInfo->device.data() ); ++it )
it != PartitionIterator::end( deviceInfo->device.data() ); ++it )
{
Partition* partition = *it;
for ( auto jt = m_osproberLines.begin();
jt != m_osproberLines.end(); ++jt )
jt != m_osproberLines.end(); ++jt )
{
if ( jt->path == partition->partitionPath() &&
partition->fileSystem().supportGetUUID() != FileSystem::cmdSupportNone &&
!partition->fileSystem().uuid().isEmpty() )
{
partition->fileSystem().supportGetUUID() != FileSystem::cmdSupportNone &&
!partition->fileSystem().uuid().isEmpty() )
jt->uuid = partition->fileSystem().uuid();
}
}
}
}
for ( auto deviceInfo : m_deviceInfos )
{
deviceInfo->partitionModel->init( deviceInfo->device.data(), m_osproberLines );
}
m_bootLoaderModel->init( devices );
//FIXME: this should be removed in favor of
// proper KPM support for EFI
if ( QDir( "/sys/firmware/efi/efivars" ).exists() )
scanForEfiSystemPartitions(); //FIXME: this should be removed in favor of
// proper KPM support for EFI
scanForEfiSystemPartitions();
}
PartitionCoreModule::~PartitionCoreModule()
@ -286,8 +228,8 @@ PartitionCoreModule::createPartitionTable( Device* device, PartitionTable::Table
}
void
PartitionCoreModule::createPartition( Device *device,
Partition *partition,
PartitionCoreModule::createPartition( Device* device,
Partition* partition,
PartitionTable::Flags flags )
{
auto deviceInfo = infoForDevice( device );
@ -457,9 +399,7 @@ PartitionCoreModule::jobs() const
QStringList jobsDebug;
foreach ( auto job, lst )
{
jobsDebug.append( job->prettyName() );
}
cDebug() << "PartitionCodeModule has been asked for jobs. About to return:"
<< jobsDebug.join( "\n" );
@ -517,9 +457,11 @@ PartitionCoreModule::refresh()
updateHasRootMountPoint();
updateIsDirty();
m_bootLoaderModel->update();
//FIXME: this should be removed in favor of
// proper KPM support for EFI
if ( QDir( "/sys/firmware/efi/efivars" ).exists() )
scanForEfiSystemPartitions(); //FIXME: this should be removed in favor of
// proper KPM support for EFI
scanForEfiSystemPartitions();
}
void PartitionCoreModule::updateHasRootMountPoint()
@ -561,7 +503,7 @@ PartitionCoreModule::scanForEfiSystemPartitions()
QList< Partition* > efiSystemPartitions =
KPMHelpers::findPartitions( devices,
[]( Partition* partition ) -> bool
[]( Partition* partition ) -> bool
{
if ( partition->activeFlags().testFlag( PartitionTable::FlagEsp ) )
{
@ -581,7 +523,7 @@ PartitionCoreModule::DeviceInfo*
PartitionCoreModule::infoForDevice( const Device* device ) const
{
for ( auto it = m_deviceInfos.constBegin();
it != m_deviceInfos.constEnd(); ++it )
it != m_deviceInfos.constEnd(); ++it )
{
if ( ( *it )->device.data() == device )
return *it;
@ -627,9 +569,7 @@ void
PartitionCoreModule::revertAllDevices()
{
foreach ( DeviceInfo* devInfo, m_deviceInfos )
{
revertDevice( devInfo->device.data() );
}
refresh();
}
@ -643,7 +583,7 @@ PartitionCoreModule::revertDevice( Device* dev )
return;
devInfo->forgetChanges();
CoreBackend* backend = CoreBackendManager::self()->backend();
Device *newDev = backend->scanDevice( devInfo->device->deviceNode() );
Device* newDev = backend->scanDevice( devInfo->device->deviceNode() );
devInfo->device.reset( newDev );
devInfo->partitionModel->init( newDev, m_osproberLines );
@ -680,9 +620,7 @@ void
PartitionCoreModule::clearJobs()
{
foreach ( DeviceInfo* deviceInfo, m_deviceInfos )
{
deviceInfo->forgetChanges();
}
updateIsDirty();
}