00001 #ifndef PE_CONTAINER_H
00002 #define PE_CONTAINER_H
00003
00004 #include "y2storage/Container.h"
00005 #include "y2storage/Dm.h"
00006
00007 namespace storage
00008 {
00009
00010 class PeContainer : public Container
00011 {
00012 friend class Storage;
00013
00014 public:
00015 PeContainer( Storage * const s, storage::CType t );
00016 PeContainer( const PeContainer& c );
00017 PeContainer& operator= ( const PeContainer& rhs );
00018 virtual ~PeContainer();
00019
00020 unsigned long long peSize() const { return pe_size; }
00021 unsigned long long sizeK() const { return pe_size*num_pe; }
00022 unsigned long peCount() const { return num_pe; }
00023 unsigned long peFree() const { return free_pe; }
00024 unsigned numPv() const { return pv.size(); }
00025 friend std::ostream& operator<< (std::ostream&, const PeContainer& );
00026
00027 int setPeSize( long long unsigned, bool lvm1 );
00028 void unuseDev();
00029 bool equalContent( const PeContainer& rhs, bool comp_vol=true ) const;
00030 string logDifference( const PeContainer& d ) const;
00031
00032 protected:
00033 struct Pv
00034 {
00035 string device;
00036 string uuid;
00037 string status;
00038 unsigned long num_pe;
00039 unsigned long free_pe;
00040
00041 static bool comp_le( const Pv& a, const Pv& b )
00042 { return( a.free_pe<b.free_pe ); }
00043 static bool no_free( const Pv& a )
00044 { return( a.free_pe==0 ); }
00045
00046 bool operator== ( const Pv& rhs ) const
00047 { return( device==rhs.device ); }
00048 bool operator== ( const string& dev ) const
00049 { return( device==dev); }
00050 bool equalContent( const Pv& rhs ) const
00051 { return( device==rhs.device && uuid==rhs.uuid &&
00052 status==rhs.status && num_pe==rhs.num_pe &&
00053 free_pe==rhs.free_pe ); }
00054 Pv() { num_pe = free_pe = 0; }
00055 };
00056
00057 friend std::ostream& operator<< (std::ostream&, const Pv& );
00058 friend void printDevList (std::ostream&, const std::list<Pv>& );
00059
00060 void init();
00061 unsigned long long capacityInKb() const {return pe_size*num_pe;}
00062 virtual void print( std::ostream& s ) const { s << *this; }
00063 virtual Container* getCopy() const { return( new PeContainer( *this ) ); }
00064
00065 unsigned long leByLvRemove() const;
00066 int tryUnusePe( const string& dev, std::list<Pv>& pl, std::list<Pv>& pladd,
00067 std::list<Pv>& plrem, unsigned long& removed_pe );
00068 static int addLvPeDistribution( unsigned long le, unsigned stripe,
00069 std::list<Pv>& pl, std::list<Pv>& pladd,
00070 std::map<string,unsigned long>& pe_map );
00071 static int remLvPeDistribution( unsigned long le, std::map<string,unsigned long>& pe_map,
00072 std::list<Pv>& pl, std::list<Pv>& pladd );
00073 virtual bool checkConsistency() const;
00074
00075 void addPv( const Pv* p );
00076
00077 unsigned long long pe_size;
00078 unsigned long num_pe;
00079 unsigned long free_pe;
00080 std::list<Pv> pv;
00081 std::list<Pv> pv_add;
00082 std::list<Pv> pv_remove;
00083 };
00084
00085 }
00086
00087 #endif
