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 bool addedPv( const string& dev ) const;
00027 unsigned long sizeToLe( unsigned long long sizeK ) const;
00028
00029 int setPeSize( long long unsigned, bool lvm1 );
00030 void unuseDev();
00031 bool equalContent( const PeContainer& rhs, bool comp_vol=true ) const;
00032 virtual string logDiff( const PeContainer& d ) const;
00033
00034 protected:
00035 struct Pv
00036 {
00037 string device;
00038 string uuid;
00039 string status;
00040 unsigned long num_pe;
00041 unsigned long free_pe;
00042
00043 static bool comp_le( const Pv& a, const Pv& b )
00044 { return( a.free_pe<b.free_pe ); }
00045 static bool no_free( const Pv& a )
00046 { return( a.free_pe==0 ); }
00047
00048 bool operator== ( const Pv& rhs ) const
00049 { return( device==rhs.device ); }
00050 bool operator== ( const string& dev ) const
00051 { return( device==dev); }
00052 bool equalContent( const Pv& rhs ) const
00053 { return( device==rhs.device && uuid==rhs.uuid &&
00054 status==rhs.status && num_pe==rhs.num_pe &&
00055 free_pe==rhs.free_pe ); }
00056 Pv() { num_pe = free_pe = 0; }
00057 };
00058
00059 friend std::ostream& operator<< (std::ostream&, const Pv& );
00060 friend void printDevList (std::ostream&, const std::list<Pv>& );
00061
00062 void init();
00063 string addList() const;
00064 virtual void print( std::ostream& s ) const { s << *this; }
00065 virtual Container* getCopy() const { return( new PeContainer( *this ) ); }
00066
00067 unsigned long leByLvRemove() const;
00068 int tryUnusePe( const string& dev, std::list<Pv>& pl, std::list<Pv>& pladd,
00069 std::list<Pv>& plrem, unsigned long& removed_pe );
00070 bool checkCreateConstraints();
00071 static int addLvPeDistribution( unsigned long le, unsigned stripe,
00072 std::list<Pv>& pl, std::list<Pv>& pladd,
00073 std::map<string,unsigned long>& pe_map );
00074 static int remLvPeDistribution( unsigned long le, std::map<string,unsigned long>& pe_map,
00075 std::list<Pv>& pl, std::list<Pv>& pladd );
00076 virtual bool checkConsistency() const;
00077
00078 void addPv( const Pv* p );
00079
00080 unsigned long long pe_size;
00081 unsigned long num_pe;
00082 unsigned long free_pe;
00083 std::list<Pv> pv;
00084 std::list<Pv> pv_add;
00085 std::list<Pv> pv_remove;
00086 };
00087
00088 }
00089
00090 #endif
