DmPartCo.h

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#ifndef DMPART_CO_H
#define DMPART_CO_H

#include <list>

#include "y2storage/PeContainer.h"
#include "y2storage/Disk.h"
#include "y2storage/DmPart.h"

namespace storage
{

class Storage;
class SystemCmd;
class ProcPart;
class Region;

class DmPartCo : public PeContainer
    {
    friend class Storage;

    public:
        DmPartCo( Storage * const s, const string& Name, storage::CType t,
                  ProcPart& ppart );
        DmPartCo( const DmPartCo& rhs );
        virtual ~DmPartCo();

        unsigned long long sizeK() const { return size_k; }
        unsigned isValid() const { return valid; }
        const string& labelName() const { return disk->labelName(); }
        const string& udevPath() const { return udev_path; }
        const std::list<string>& udevId() const { return udev_id; }
        unsigned numPartitions() const { return disk->numPartitions(); }
        static storage::CType staticType() { return storage::DMRAID; }
        friend std::ostream& operator<< (std::ostream&, const DmPartCo& );
        void setUdevData( const string& id );

        int createPartition( storage::PartitionType type, long unsigned start,
                             long unsigned len, string& device,
                             bool checkRelaxed=false );
        int createPartition( long unsigned len, string& device,
                             bool checkRelaxed=false );
        int createPartition( storage::PartitionType type, string& device );
        int removePartition( unsigned nr );
        int changePartitionId( unsigned nr, unsigned id );
        int forgetChangePartitionId( unsigned nr );
        int changePartitionArea( unsigned nr, unsigned long start, 
                                 unsigned long size, bool checkRelaxed=false );
        int nextFreePartition( storage::PartitionType type, unsigned& nr,
                               string& device );
        int destroyPartitionTable( const string& new_label );
        unsigned availablePartNumber( storage::PartitionType type=storage::PRIMARY );
        int resizePartition( DmPart* p, unsigned long newCyl );
        int resizeVolume( Volume* v, unsigned long long newSize );
        int removeVolume( Volume* v );
        int removeDmPart();
        void getUnusedSpace( std::list<Region>& free, bool all=true, 
                             bool logical=false );
        bool hasExtended() const;
        unsigned long long cylinderToKb( unsigned long val ) const 
            { return disk->cylinderToKb( val ); }
        unsigned long kbToCylinder( unsigned long long val ) const
            { return disk->kbToCylinder( val ); }
        string getPartName( unsigned nr ) const;

        virtual void getCommitActions( std::list<storage::commitAction*>& l ) const;
        virtual int getToCommit( storage::CommitStage stage,
                                 std::list<Container*>& col,
                                 std::list<Volume*>& vol );
        virtual int commitChanges( storage::CommitStage stage );
        int commitChanges( storage::CommitStage stage, Volume* vol );

        Partition* getPartition( unsigned nr, bool del );
        void getInfo( storage::DmPartCoInfo& info ) const;
        bool equalContent( const DmPartCo& rhs ) const;
        virtual string getDiffString( const Container& d ) const;
        void logDifference( const DmPartCo& d ) const;
        DmPartCo& operator= ( const DmPartCo& rhs );
        static string undevName( const string& name );
        string numToName( unsigned num ) const;

    protected:
        // iterators over partitions
        // protected typedefs for iterators over partitions
        typedef CastIterator<VIter, DmPart *> DmPartInter;
        typedef CastIterator<CVIter, const DmPart *> DmPartCInter;
        template< class Pred >
            struct DmPartPI { typedef ContainerIter<Pred, DmPartInter> type; };
        template< class Pred >
            struct DmPartCPI { typedef ContainerIter<Pred, DmPartCInter> type; };
        typedef CheckFnc<const DmPart> CheckFncDmPart;
        typedef CheckerIterator< CheckFncDmPart, DmPartPI<CheckFncDmPart>::type,
                                 DmPartInter, DmPart > DmPartPIterator;
        typedef CheckerIterator< CheckFncDmPart, DmPartCPI<CheckFncDmPart>::type,
                                 DmPartCInter, const DmPart > DmPartCPIterator;
        typedef DerefIterator<DmPartPIterator,DmPart> DmPartIter;
        typedef DerefIterator<DmPartCPIterator,const DmPart> ConstDmPartIter;
        typedef IterPair<DmPartIter> DmPartPair;
        typedef IterPair<ConstDmPartIter> ConstDmPartPair;

        DmPartPair dmpartPair( bool (* CheckDmPart)( const DmPart& )=NULL)
            {
            return( DmPartPair( dmpartBegin( CheckDmPart ), dmpartEnd( CheckDmPart ) ));
            }
        DmPartIter dmpartBegin( bool (* CheckDmPart)( const DmPart& )=NULL)
            {
            IterPair<DmPartInter> p( (DmPartInter(begin())), (DmPartInter(end())) );
            return( DmPartIter( DmPartPIterator( p, CheckDmPart )) );
            }
        DmPartIter dmpartEnd( bool (* CheckDmPart)( const DmPart& )=NULL)
            {
            IterPair<DmPartInter> p( (DmPartInter(begin())), (DmPartInter(end())) );
            return( DmPartIter( DmPartPIterator( p, CheckDmPart, true )) );
            }

        ConstDmPartPair dmpartPair( bool (* CheckDmPart)( const DmPart& )=NULL) const
            {
            return( ConstDmPartPair( dmpartBegin( CheckDmPart ), dmpartEnd( CheckDmPart ) ));
            }
        ConstDmPartIter dmpartBegin( bool (* CheckDmPart)( const DmPart& )=NULL) const
            {
            IterPair<DmPartCInter> p( (DmPartCInter(begin())), (DmPartCInter(end())) );
            return( ConstDmPartIter( DmPartCPIterator( p, CheckDmPart )) );
            }
        ConstDmPartIter dmpartEnd( bool (* CheckDmPart)( const DmPart& )=NULL) const
            {
            IterPair<DmPartCInter> p( (DmPartCInter(begin())), (DmPartCInter(end())) );
            return( ConstDmPartIter( DmPartCPIterator( p, CheckDmPart, true )) );
            }

        DmPartCo( Storage * const s, const string& File );
        virtual void print( std::ostream& s ) const { s << *this; }
        virtual Container* getCopy() const { return( new DmPartCo( *this ) ); }
        void activate_part( bool val );
        void init( ProcPart& ppart );
        void createDisk( ProcPart& ppart );
        void getVolumes( ProcPart& ppart );
        void updatePointers( bool invalid=false );
        void updateMinor();
        virtual void newP( DmPart*& dm, unsigned num, Partition* p );
        int addNewDev( string& device );
        int updateDelDev();
        void handleWholeDevice();
        void removeFromMemory();
        void removePresentPartitions();
        bool validPartition( const Partition* p );
        bool findDm( unsigned nr, DmPartIter& i );

        static bool partNotDeleted( const DmPart&d ) { return( !d.deleted() ); }

        int doCreate( Volume* v );
        int doRemove( Volume* v );
        int doResize( Volume* v );
        int doSetType( DmPart* v );
        int doCreateLabel();
        virtual int doRemove();
        virtual string removeText( bool doing ) const;
        virtual string setDiskLabelText( bool doing ) const;

        void logData( const string& Dir );
        string udev_path;
        std::list<string> udev_id;
        string logfile_name;
        string sysfs_dir;

        Disk* disk;
        bool active;
        bool valid;
        bool del_ptable;
        unsigned num_part;

        mutable storage::DmPartCoInfo info;
    };

}

#endif

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