00001 #ifndef VOLUME_H
00002 #define VOLUME_H
00003
00004 #include "y2storage/StorageInterface.h"
00005 #include "y2storage/StorageTypes.h"
00006 #include "y2storage/StorageTmpl.h"
00007
00008 namespace storage
00009 {
00010
00011 class SystemCmd;
00012 class ProcMounts;
00013 class EtcFstab;
00014 class FstabEntry;
00015 class Container;
00016 class Storage;
00017
00018 class Volume
00019 {
00020 friend class Storage;
00021
00022 public:
00023 Volume( const Container& d, unsigned Pnr, unsigned long long SizeK );
00024 Volume( const Container& d, const string& PName, unsigned long long SizeK );
00025 Volume( const Container& d );
00026 Volume( const Volume& );
00027 Volume& operator=( const Volume& );
00028
00029 virtual ~Volume();
00030
00031 const string& device() const { return dev; }
00032 const string& mountDevice() const { return( is_loop?loop_dev:dev ); }
00033 const string& loopDevice() const { return( loop_dev ); }
00034 const Container* getContainer() const { return cont; }
00035 storage::CType cType() const;
00036 bool deleted() const { return del; }
00037 bool created() const { return create; }
00038 bool silent() const { return silnt; }
00039 virtual const std::list<string> udevId() const { return(empty_slist); }
00040 virtual const string& udevPath() const { return(empty_string); }
00041 virtual string sysfsPath() const;
00042 void setDeleted( bool val=true ) { del=val; }
00043 void setCreated( bool val=true ) { create=val; }
00044 void setReadonly( bool val=true ) { ronly=val; }
00045 void setSilent( bool val=true ) { silnt=val; }
00046 bool ignoreFstab() const { return( ignore_fstab ); }
00047 void setIgnoreFstab( bool val=true ) { ignore_fstab=val; }
00048 bool ignoreFs() const { return( ignore_fs ); }
00049 void setIgnoreFs( bool val=true ) { ignore_fs=val; }
00050 void setFstabAdded( bool val=true ) { fstab_added=val; }
00051 bool fstabAdded() const { return( fstab_added ); }
00052 const storage::usedBy& getUsedBy() const{ return( uby ); }
00053 storage::UsedByType getUsedByType() const { return( uby.type() ); }
00054 const string& usedByName() const { return( uby.name() ); }
00055 void setUsedBy( storage::UsedByType t, const string& name ) { uby.set( t, name );}
00056 void getFsInfo( const Volume* source );
00057
00058 virtual int setFormat( bool format=true, storage::FsType fs=storage::REISERFS );
00059 void formattingDone() { format=false; detected_fs=fs; }
00060 bool getFormat() const { return format; }
00061 void rename( const string& newName );
00062 int changeFstabOptions( const string& options );
00063 int changeMountBy( storage::MountByType mby );
00064 virtual int changeMount( const string& m );
00065 bool loop() const { return is_loop; }
00066 bool loopActive() const { return( is_loop&&loop_active ); }
00067 bool needLosetup() const;
00068 const string& getUuid() const { return uuid; }
00069 const string& getLabel() const { return label; }
00070 int setLabel( const string& val );
00071 bool needLabel() const { return( label!=orig_label ); }
00072 storage::EncryptType getEncryption() const { return encryption; }
00073 void setEncryption( storage::EncryptType val=storage::ENC_TWOFISH )
00074 { encryption=orig_encryption=val; }
00075 int setEncryption( bool val );
00076 const string& getCryptPwd() const { return crypt_pwd; }
00077 int setCryptPwd( const string& val );
00078 void clearCryptPwd() { crypt_pwd.erase(); }
00079 const string& getMount() const { return mp; }
00080 bool needRemount() const;
00081 bool needShrink() const { return(size_k<orig_size_k); }
00082 bool needExtend() const { return(size_k>orig_size_k); }
00083 long long extendSize() const { return(size_k-orig_size_k);}
00084 storage::FsType getFs() const { return fs; }
00085 void setFs( storage::FsType val ) { detected_fs=fs=val; }
00086 void setUuid( const string& id ) { uuid=id; }
00087 void initLabel( const string& lbl ) { label=orig_label=lbl; }
00088 storage::MountByType getMountBy() const { return mount_by; }
00089 const string& getFstabOption() const { return fstab_opt; }
00090 void setFstabOption( const string& val ) { fstab_opt=val; }
00091 bool needFstabUpdate() const
00092 { return( !ignore_fstab &&
00093 (fstab_opt!=orig_fstab_opt || mount_by!=orig_mount_by ||
00094 encryption!=orig_encryption) ); }
00095 const string& getMkfsOption() const { return mkfs_opt; }
00096 int setMkfsOption( const string& val ) { mkfs_opt=val; return 0; }
00097 const string& getDescText() const { return dtxt; }
00098 int setDescText( const string& val ) { dtxt=val; return 0; }
00099 const std::list<string>& altNames() const { return( alt_names ); }
00100 unsigned nr() const { return num; }
00101 unsigned long long sizeK() const { return size_k; }
00102 unsigned long long origSizeK() const { return orig_size_k; }
00103 const string& name() const { return nm; }
00104 unsigned long minorNr() const { return mnr; }
00105 unsigned long majorNr() const { return mjr; }
00106 void setMajorMinor( unsigned long Major, unsigned long Minor )
00107 { mjr=Major; mnr=Minor; }
00108 void setSize( unsigned long long SizeK ) { size_k=orig_size_k=SizeK; }
00109 virtual void setResizedSize( unsigned long long SizeK ) { size_k=SizeK; }
00110 virtual void forgetResize() { size_k=orig_size_k; }
00111 virtual bool canUseDevice() const;
00112
00113 bool operator== ( const Volume& rhs ) const;
00114 bool operator!= ( const Volume& rhs ) const
00115 { return( !(*this==rhs) ); }
00116 bool operator< ( const Volume& rhs ) const;
00117 bool operator<= ( const Volume& rhs ) const
00118 { return( *this<rhs || *this==rhs ); }
00119 bool operator>= ( const Volume& rhs ) const
00120 { return( !(*this<rhs) ); }
00121 bool operator> ( const Volume& rhs ) const
00122 { return( !(*this<=rhs) ); }
00123 bool equalContent( const Volume& rhs ) const;
00124 string logDifference( const Volume& c ) const;
00125 friend std::ostream& operator<< (std::ostream& s, const Volume &v );
00126
00127 int prepareRemove();
00128 int umount( const string& mp="" );
00129 int loUnsetup();
00130 int mount( const string& mp="" );
00131 int canResize( unsigned long long newSizeK ) const;
00132 int doMount();
00133 int doFormat();
00134 int doLosetup();
00135 int doSetLabel();
00136 int doFstabUpdate();
00137 int resizeFs();
00138 void fstabUpdateDone();
00139 bool isMounted() const { return( is_mounted ); }
00140 virtual string removeText(bool doing=true) const;
00141 virtual string createText(bool doing=true) const;
00142 virtual string resizeText(bool doing=true) const;
00143 virtual string formatText(bool doing=true) const;
00144 virtual void getCommitActions( std::list<storage::commitAction*>& l ) const;
00145 string mountText( bool doing=true ) const;
00146 string labelText( bool doing=true ) const;
00147 string losetupText( bool doing=true ) const;
00148 string fstabUpdateText() const;
00149 string sizeString() const;
00150 string bootMount() const;
00151 bool optNoauto() const;
00152 bool inCrypto() const { return( is_loop && !optNoauto() ); }
00153 virtual void print( std::ostream& s ) const { s << *this; }
00154 int getFreeLoop();
00155 void getInfo( storage::VolumeInfo& info ) const;
00156 void mergeFstabInfo( storage::VolumeInfo& tinfo, const FstabEntry& fste ) const;
00157 void updateFsData();
00158 static bool loopInUse( Storage* sto, const string& loopdev );
00159
00160 struct SkipDeleted
00161 {
00162 bool operator()(const Volume&d) const { return( !d.deleted());}
00163 };
00164 static SkipDeleted SkipDel;
00165 static bool notDeleted( const Volume&d ) { return( !d.deleted() ); }
00166 static bool isDeleted( const Volume&d ) { return( d.deleted() ); }
00167 static bool getMajorMinor( const string& device,
00168 unsigned long& Major, unsigned long& Minor );
00169 static bool loopStringNum( const string& name, unsigned& num );
00170 static storage::EncryptType toEncType( const string& val );
00171 static storage::FsType toFsType( const string& val );
00172 static storage::MountByType toMountByType( const string& val );
00173 const string& fsTypeString() const { return fs_names[fs]; }
00174 static const string& fsTypeString( const storage::FsType type )
00175 { return fs_names[type]; }
00176 static const string& encTypeString( const storage::EncryptType type )
00177 { return enc_names[type]; }
00178 static const string& mbyTypeString( const storage::MountByType type )
00179 { return mb_names[type]; }
00180
00181
00182 protected:
00183 void init();
00184 void setNameDev();
00185 int checkDevice();
00186 int checkDevice( const string& device );
00187 storage::MountByType defaultMountBy( const string& mp="" );
00188 bool allowedMountBy( storage::MountByType mby, const string& mp="" );
00189 void getFsData( SystemCmd& blkidData );
00190 void getLoopData( SystemCmd& loopData );
00191 void getMountData( const ProcMounts& mountData );
00192 void getFstabData( EtcFstab& fstabData );
00193 void getTestmodeData( const string& data );
00194 string getMountByString( storage::MountByType mby, const string& dev,
00195 const string& uuid, const string& label ) const;
00196 void setExtError( const SystemCmd& cmd, bool serr=true );
00197
00198 std::ostream& logVolume( std::ostream& file ) const;
00199 string getLosetupCmd( storage::EncryptType e, const string& pwdfile ) const;
00200 storage::EncryptType detectLoopEncryption();
00201 string getFilesysSysfsPath() const;
00202 void triggerUdevUpdate();
00203
00204 const Container* const cont;
00205 bool numeric;
00206 bool create;
00207 bool del;
00208 bool format;
00209 bool silnt;
00210 bool fstab_added;
00211 storage::FsType fs;
00212 storage::FsType detected_fs;
00213 storage::MountByType mount_by;
00214 storage::MountByType orig_mount_by;
00215 string uuid;
00216 string label;
00217 string orig_label;
00218 string mp;
00219 string orig_mp;
00220 string fstab_opt;
00221 string orig_fstab_opt;
00222 string mkfs_opt;
00223 bool is_loop;
00224 bool is_mounted;
00225 bool ignore_fstab;
00226 bool ignore_fs;
00227 bool loop_active;
00228 bool ronly;
00229 storage::EncryptType encryption;
00230 storage::EncryptType orig_encryption;
00231 string loop_dev;
00232 string fstab_loop_dev;
00233 string crypt_pwd;
00234 string nm;
00235 std::list<string> alt_names;
00236 unsigned num;
00237 unsigned long long size_k;
00238 unsigned long long orig_size_k;
00239 string dev;
00240 string dtxt;
00241 unsigned long mnr;
00242 unsigned long mjr;
00243 storage::usedBy uby;
00244
00245 static string fs_names[storage::FSNONE+1];
00246 static string mb_names[storage::MOUNTBY_PATH+1];
00247 static string enc_names[storage::ENC_UNKNOWN+1];
00248 static string empty_string;
00249 static std::list<string> empty_slist;
00250
00251 mutable storage::VolumeInfo info;
00252 };
00253
00254 }
00255
00256 #endif
