filesystem

package
v0.3.1 Latest Latest
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 Go to latest Published: Oct 6, 2022 License: Apache-2.0 Imports: 14 Imported by: 96

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Index

Constants

View Source 
const (
	ListSelectSkipMode = 1 << iota
	ListSelectSkipNumLinks
	ListSelectSkipUid
	ListSelectSkipGid
	ListSelectSkipSizeDevnum
	ListSelectSkipMtime
	ListSelectSkipName
	ListSelectSkipData

	ListSelectAll = 0
)

Variables

This section is empty.

Functions

func CompareDirectoriesMetadata 

func CompareDirectoriesMetadata(left, right *DirectoryInode,
	logWriter io.Writer) bool

func CompareDirectoryEntries 

func CompareDirectoryEntries(left, right *DirectoryEntry,
	logWriter io.Writer) bool

func CompareDirectoryInodes 

func CompareDirectoryInodes(left, right *DirectoryInode,
	logWriter io.Writer) bool

func CompareFileSystems 

func CompareFileSystems(left, right *FileSystem, logWriter io.Writer) bool

func CompareInodes 

func CompareInodes(left, right GenericInode, logWriter io.Writer) (
	sameType, sameMetadata, sameData bool)

func CompareRegularInodes 

func CompareRegularInodes(left, right *RegularInode, logWriter io.Writer) bool

func CompareRegularInodesData 

func CompareRegularInodesData(left, right *RegularInode,
	logWriter io.Writer) bool

func CompareRegularInodesMetadata 

func CompareRegularInodesMetadata(left, right *RegularInode,
	logWriter io.Writer) bool

func CompareSpecialInodes 

func CompareSpecialInodes(left, right *SpecialInode, logWriter io.Writer) bool

func CompareSpecialInodesData 

func CompareSpecialInodesData(left, right *SpecialInode,
	logWriter io.Writer) bool

func CompareSpecialInodesMetadata 

func CompareSpecialInodesMetadata(left, right *SpecialInode,
	logWriter io.Writer) bool

func CompareSymlinkInodes 

func CompareSymlinkInodes(left, right *SymlinkInode, logWriter io.Writer) bool

func CompareSymlinkInodesData 

func CompareSymlinkInodesData(left, right *SymlinkInode,
	logWriter io.Writer) bool

func CompareSymlinkInodesMetadata 

func CompareSymlinkInodesMetadata(left, right *SymlinkInode,
	logWriter io.Writer) bool

func ForceWriteMetadata 

func ForceWriteMetadata(inode GenericInode, name string) error

Types

type ComputedRegularInode 

type ComputedRegularInode struct {
	Mode   FileMode
	Uid    uint32
	Gid    uint32
	Source string
}

func (*ComputedRegularInode) GetGid 

func (inode *ComputedRegularInode) GetGid() uint32

func (*ComputedRegularInode) GetUid 

func (inode *ComputedRegularInode) GetUid() uint32

func (*ComputedRegularInode) List 

func (inode *ComputedRegularInode) List(w io.Writer, name string,
	numLinksTable NumLinksTable, numLinks int,
	listSelector ListSelector, filter *filter.Filter) error

func (*ComputedRegularInode) SetGid 

func (inode *ComputedRegularInode) SetGid(gid uint32)

func (*ComputedRegularInode) SetUid 

func (inode *ComputedRegularInode) SetUid(uid uint32)

func (*ComputedRegularInode) WriteMetadata 

func (inode *ComputedRegularInode) WriteMetadata(name string) error

type DirectoryEntry 

type DirectoryEntry struct {
	Name        string
	InodeNumber uint64
	// contains filtered or unexported fields
}

func (*DirectoryEntry) Inode 

func (dirent *DirectoryEntry) Inode() GenericInode

func (*DirectoryEntry) SetInode 

func (dirent *DirectoryEntry) SetInode(inode GenericInode)

func (*DirectoryEntry) String 

func (dirent *DirectoryEntry) String() string

type DirectoryInode 

type DirectoryInode struct {
	EntryList     []*DirectoryEntry
	EntriesByName map[string]*DirectoryEntry
	Mode          FileMode
	Uid           uint32
	Gid           uint32
}

func (*DirectoryInode) BuildEntryMap 

func (directory *DirectoryInode) BuildEntryMap()

func (*DirectoryInode) GetGid 

func (inode *DirectoryInode) GetGid() uint32

func (*DirectoryInode) GetUid 

func (inode *DirectoryInode) GetUid() uint32

func (*DirectoryInode) List 

func (inode *DirectoryInode) List(w io.Writer, name string,
	numLinksTable NumLinksTable, numLinks int,
	listSelector ListSelector, filter *filter.Filter) error

func (*DirectoryInode) ReplaceStrings 

func (inode *DirectoryInode) ReplaceStrings(replaceFunc func(string) string)

func (*DirectoryInode) SetGid 

func (inode *DirectoryInode) SetGid(gid uint32)

func (*DirectoryInode) SetUid 

func (inode *DirectoryInode) SetUid(uid uint32)

func (*DirectoryInode) Write 

func (inode *DirectoryInode) Write(name string) error

func (*DirectoryInode) WriteMetadata 

func (inode *DirectoryInode) WriteMetadata(name string) error

type FileMode 

type FileMode uint32

func (FileMode) String 

func (mode FileMode) String() string

type FileSystem 

type FileSystem struct {
	InodeTable InodeTable

	NumRegularInodes uint64
	TotalDataBytes   uint64

	DirectoryCount uint64
	DirectoryInode
	// contains filtered or unexported fields
}

func Decode 

func Decode(reader io.Reader) (*FileSystem, error)

func (*FileSystem) ComputeTotalDataBytes 

func (fs *FileSystem) ComputeTotalDataBytes()

func (*FileSystem) Encode 

func (fs *FileSystem) Encode(writer io.Writer) error

func (*FileSystem) EstimateUsage 

func (fs *FileSystem) EstimateUsage(blockSize uint64) uint64

func (*FileSystem) FilenameToInodeTable 

func (fs *FileSystem) FilenameToInodeTable() FilenameToInodeTable

func (*FileSystem) Filter 

func (fs *FileSystem) Filter(filter *filter.Filter) *FileSystem

func (*FileSystem) ForEachFile 

func (fs *FileSystem) ForEachFile(
	fn func(name string, inodeNumber uint64, inode GenericInode) error) error

func (*FileSystem) GetObjects 

func (fs *FileSystem) GetObjects() map[hash.Hash]uint64

func (*FileSystem) HashToInodesTable 

func (fs *FileSystem) HashToInodesTable() HashToInodesTable

func (*FileSystem) InodeToFilenamesTable 

func (fs *FileSystem) InodeToFilenamesTable() InodeToFilenamesTable

func (*FileSystem) List 

func (fs *FileSystem) List(w io.Writer) error

func (*FileSystem) Listf 

func (fs *FileSystem) Listf(w io.Writer, listSelector ListSelector,
	filter *filter.Filter) error

func (*FileSystem) NumComputedRegularInodes 

func (fs *FileSystem) NumComputedRegularInodes() uint64

func (*FileSystem) RebuildInodePointers 

func (fs *FileSystem) RebuildInodePointers() error

func (*FileSystem) String 

func (fs *FileSystem) String() string

type FilenameToInodeTable 

type FilenameToInodeTable map[string]uint64

type GenericInode 

type GenericInode interface {
	GetGid() uint32
	GetUid() uint32
	List(w io.Writer, name string, numLinksTable NumLinksTable,
		numLinks int, listSelector ListSelector, filter *filter.Filter) error
	SetGid(gid uint32)
	SetUid(uid uint32)
	WriteMetadata(name string) error
}

type HashToInodesTable 

type HashToInodesTable map[hash.Hash][]uint64

type InodeTable 

type InodeTable map[uint64]GenericInode

type InodeToFilenamesTable 

type InodeToFilenamesTable map[uint64][]string

type ListSelector 

type ListSelector uint8

type NumLinksTable 

type NumLinksTable map[uint64]int

type RegularInode 

type RegularInode struct {
	Mode             FileMode
	Uid              uint32
	Gid              uint32
	MtimeNanoSeconds int32
	MtimeSeconds     int64
	Size             uint64
	Hash             hash.Hash
}

func (*RegularInode) GetGid 

func (inode *RegularInode) GetGid() uint32

func (*RegularInode) GetUid 

func (inode *RegularInode) GetUid() uint32

func (*RegularInode) List 

func (inode *RegularInode) List(w io.Writer, name string,
	numLinksTable NumLinksTable, numLinks int,
	listSelector ListSelector, filter *filter.Filter) error

func (*RegularInode) SetGid 

func (inode *RegularInode) SetGid(gid uint32)

func (*RegularInode) SetUid 

func (inode *RegularInode) SetUid(uid uint32)

func (*RegularInode) WriteMetadata 

func (inode *RegularInode) WriteMetadata(name string) error

type SpecialInode 

type SpecialInode struct {
	Mode             FileMode
	Uid              uint32
	Gid              uint32
	MtimeNanoSeconds int32
	MtimeSeconds     int64
	Rdev             uint64
}

func (*SpecialInode) GetGid 

func (inode *SpecialInode) GetGid() uint32

func (*SpecialInode) GetUid 

func (inode *SpecialInode) GetUid() uint32

func (*SpecialInode) List 

func (inode *SpecialInode) List(w io.Writer, name string,
	numLinksTable NumLinksTable, numLinks int,
	listSelector ListSelector, filter *filter.Filter) error

func (*SpecialInode) SetGid 

func (inode *SpecialInode) SetGid(gid uint32)

func (*SpecialInode) SetUid 

func (inode *SpecialInode) SetUid(uid uint32)

func (*SpecialInode) Write 

func (inode *SpecialInode) Write(name string) error

func (*SpecialInode) WriteMetadata 

func (inode *SpecialInode) WriteMetadata(name string) error

type SymlinkInode 

type SymlinkInode struct {
	Uid     uint32
	Gid     uint32
	Symlink string
}

func (*SymlinkInode) GetGid 

func (inode *SymlinkInode) GetGid() uint32

func (*SymlinkInode) GetUid 

func (inode *SymlinkInode) GetUid() uint32

func (*SymlinkInode) List 

func (inode *SymlinkInode) List(w io.Writer, name string,
	numLinksTable NumLinksTable, numLinks int,
	listSelector ListSelector, filter *filter.Filter) error

func (*SymlinkInode) SetGid 

func (inode *SymlinkInode) SetGid(gid uint32)

func (*SymlinkInode) SetUid 

func (inode *SymlinkInode) SetUid(uid uint32)

func (*SymlinkInode) Write 

func (inode *SymlinkInode) Write(name string) error

func (*SymlinkInode) WriteMetadata 

func (inode *SymlinkInode) WriteMetadata(name string) error

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