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[fsresizer] Switch to using the generic PartitionSize class

Browse Source 
Instead of relying on a module-specific implementation, use the new
PartitionSize class for storing partition sizes.

Signed-off-by: Arnaud Ferraris <arnaud.ferraris@collabora.com>
main
Arnaud Ferraris 6 years ago
parent 4937668b5b
commit 8f9f8f1cc1
3 changed files with 17 additions and 117 deletions
Show Stats Download Patch File Download Diff File

66
src/modules/fsresizer/ResizeFSJob.cpp
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@ -41,64 +41,6 @@
#include "core/PartitionIterator.h"
static const NamedEnumTable<ResizeFSJob::RelativeUnit>&
unitSuffixes()
{
using Unit = ResizeFSJob::RelativeUnit;
static const NamedEnumTable<Unit> names{
{ QStringLiteral( "%" ), Unit::Percent },
{ QStringLiteral( "MiB" ), Unit::Absolute }
};
return names;
}
ResizeFSJob::RelativeSize::RelativeSize( const QString& s )
: NamedSuffix( unitSuffixes(), s )
{
if ( ( unit() == RelativeUnit::Percent ) && ( value() > 100 ) )
{
cDebug() << "Percent value" << value() << "is not valid.";
m_value = 0;
m_unit = RelativeUnit::None;
}
if ( !m_value )
m_unit = RelativeUnit::None;
}
qint64
ResizeFSJob::RelativeSize::apply( qint64 totalSectors, qint64 sectorSize )
{
if ( !isValid() )
return -1;
if ( sectorSize < 1 )
return -1;
switch ( m_unit )
{
case unit_t::None:
return -1;
case unit_t::Absolute:
return CalamaresUtils::MiBtoBytes( static_cast<unsigned long long>( value() ) ) / sectorSize;
case unit_t::Percent:
if ( value() == 100 )
return totalSectors; // Common-case, avoid futzing around
else
return totalSectors * value() / 100;
}
// notreached
return -1;
}
qint64
ResizeFSJob::RelativeSize::apply( Device* d )
{
return apply( d->totalLogical(), d->logicalSize() );
}
ResizeFSJob::ResizeFSJob( QObject* parent )
: Calamares::CppJob( parent )
, m_required( false )
@ -203,7 +145,7 @@ ResizeFSJob::findGrownEnd( ResizeFSJob::PartitionMatch m )
qint64 expand = last_available - last_currently; // number of sectors
if ( m_atleast.isValid() )
{
qint64 required = m_atleast.apply( m.first );
qint64 required = m_atleast.toSectors( m.first->totalLogical(), m.first->logicalSize() );
if ( expand < required )
{
cDebug() << Logger::SubEntry << "need to expand by" << required << "but only" << expand << "is available.";
@ -211,7 +153,7 @@ ResizeFSJob::findGrownEnd( ResizeFSJob::PartitionMatch m )
}
}
qint64 wanted = m_size.apply( expand, m.first->logicalSize() );
qint64 wanted = m_size.toSectors( expand, m.first->logicalSize() );
if ( wanted < expand )
{
cDebug() << Logger::SubEntry << "only growing by" << wanted << "instead of full" << expand;
@ -330,8 +272,8 @@ ResizeFSJob::setConfigurationMap( const QVariantMap& configurationMap )
return;
}
m_size = RelativeSize( configurationMap["size"].toString() );
m_atleast = RelativeSize( configurationMap["atleast"].toString() );
m_size = Calamares::PartitionSize( configurationMap["size"].toString() );
m_atleast = Calamares::PartitionSize( configurationMap["atleast"].toString() );
m_required = CalamaresUtils::getBool( configurationMap, "required", false );
}

48
src/modules/fsresizer/ResizeFSJob.h
Unescape Escape View File

@ -24,7 +24,7 @@
#include <CppJob.h>
#include "utils/NamedSuffix.h"
#include "partition/PartitionSize.h"
#include "utils/PluginFactory.h"
#include <PluginDllMacro.h>
@ -38,48 +38,6 @@ class PLUGINDLLEXPORT ResizeFSJob : public Calamares::CppJob
Q_OBJECT
public:
enum class RelativeUnit
{
None,
Percent,
Absolute
};
/** @brief Size expressions
*
* Sizes can be specified in MiB or percent (of the device they
* are on). This class handles parsing of such strings from the
* config file.
*/
class RelativeSize : public NamedSuffix<RelativeUnit, RelativeUnit::None>
{
public:
RelativeSize() : NamedSuffix() { };
RelativeSize( const QString& );
bool isValid() const
{
return ( unit() != RelativeUnit::None ) && ( value() > 0 );
}
/** @brief Apply this size to the number of sectors @p totalSectors .
*
* Each sector has size @p sectorSize , for converting absolute
* sizes in MiB to sector counts.
*
* For invalid sizes, returns -1.
* For absolute sizes, returns the number of sectors needed.
* For percent sizes, returns that percent of the number of sectors.
*/
qint64 apply( qint64 totalSectors, qint64 sectorSize );
/** @brief Apply this size to the given device.
*
* Equivalent to apply( d->totalLogical(), d->logicalSize() )
*/
qint64 apply( Device* d );
} ;
explicit ResizeFSJob( QObject* parent = nullptr );
virtual ~ResizeFSJob() override;
@ -97,8 +55,8 @@ public:
}
private:
RelativeSize m_size;
RelativeSize m_atleast;
Calamares::PartitionSize m_size;
Calamares::PartitionSize m_atleast;
QString m_fsname; // Either this, or devicename, is set, not both
QString m_devicename;
bool m_required;

20
src/modules/fsresizer/Tests.cpp
Unescape Escape View File

@ -57,8 +57,8 @@ void FSResizerTests::testConfigurationRobust()
j.setConfigurationMap( QVariantMap() );
QVERIFY( j.m_fsname.isEmpty() );
QVERIFY( j.m_devicename.isEmpty() );
QCOMPARE( j.m_size.unit(), ResizeFSJob::RelativeUnit::None );
QCOMPARE( j.m_atleast.unit(), ResizeFSJob::RelativeUnit::None );
QCOMPARE( j.m_size.unit(), Calamares::SizeUnit::None );
QCOMPARE( j.m_atleast.unit(), Calamares::SizeUnit::None );
// Config is missing fs and dev, so it isn't valid
YAML::Node doc0 = YAML::Load( R"(---
@ -68,8 +68,8 @@ atleast: 600MiB
j.setConfigurationMap( CalamaresUtils::yamlMapToVariant( doc0 ).toMap() );
QVERIFY( j.m_fsname.isEmpty() );
QVERIFY( j.m_devicename.isEmpty() );
QCOMPARE( j.m_size.unit(), ResizeFSJob::RelativeUnit::None );
QCOMPARE( j.m_atleast.unit(), ResizeFSJob::RelativeUnit::None );
QCOMPARE( j.m_size.unit(), Calamares::SizeUnit::None );
QCOMPARE( j.m_atleast.unit(), Calamares::SizeUnit::None );
QCOMPARE( j.m_size.value(), 0 );
QCOMPARE( j.m_atleast.value(), 0 );
}
@ -87,8 +87,8 @@ atleast: 600MiB
j.setConfigurationMap( CalamaresUtils::yamlMapToVariant( doc0 ).toMap() );
QVERIFY( !j.m_fsname.isEmpty() );
QVERIFY( j.m_devicename.isEmpty() );
QCOMPARE( j.m_size.unit(), ResizeFSJob::RelativeUnit::Percent );
QCOMPARE( j.m_atleast.unit(), ResizeFSJob::RelativeUnit::Absolute );
QCOMPARE( j.m_size.unit(), Calamares::SizeUnit::Percent );
QCOMPARE( j.m_atleast.unit(), Calamares::SizeUnit::Percent );
QCOMPARE( j.m_size.value(), 100 );
QCOMPARE( j.m_atleast.value(), 600 );
@ -102,8 +102,8 @@ atleast: 127 %
j.setConfigurationMap( CalamaresUtils::yamlMapToVariant( doc0 ).toMap() );
QVERIFY( !j.m_fsname.isEmpty() );
QVERIFY( !j.m_devicename.isEmpty() );
QCOMPARE( j.m_size.unit(), ResizeFSJob::RelativeUnit::Absolute );
QCOMPARE( j.m_atleast.unit(), ResizeFSJob::RelativeUnit::None );
QCOMPARE( j.m_size.unit(), Calamares::SizeUnit::Percent );
QCOMPARE( j.m_atleast.unit(), Calamares::SizeUnit::None );
QCOMPARE( j.m_size.value(), 72 );
QCOMPARE( j.m_atleast.value(), 0 );
@ -117,8 +117,8 @@ size: 71MiB
j.setConfigurationMap( CalamaresUtils::yamlMapToVariant( doc0 ).toMap() );
QVERIFY( !j.m_fsname.isEmpty() );
QVERIFY( j.m_devicename.isEmpty() );
QCOMPARE( j.m_size.unit(), ResizeFSJob::RelativeUnit::Absolute );
QCOMPARE( j.m_atleast.unit(), ResizeFSJob::RelativeUnit::None );
QCOMPARE( j.m_size.unit(), Calamares::SizeUnit::Percent );
QCOMPARE( j.m_atleast.unit(), Calamares::SizeUnit::None );
QCOMPARE( j.m_size.value(), 71 );
QCOMPARE( j.m_atleast.value(), 0 );
}

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