forked from TrueCloudLab/restic
67 lines
1.9 KiB
Go
67 lines
1.9 KiB
Go
package restic
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import (
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"context"
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"github.com/restic/restic/internal/crypto"
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)
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// Repository stores data in a backend. It provides high-level functions and
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// transparently encrypts/decrypts data.
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type Repository interface {
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// Backend returns the backend used by the repository
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Backend() Backend
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Key() *crypto.Key
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SetIndex(Index)
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Index() Index
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SaveFullIndex(context.Context) error
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SaveIndex(context.Context) error
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LoadIndex(context.Context) error
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Config() Config
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LookupBlobSize(ID, BlobType) (uint, bool)
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// List calls the function fn for each file of type t in the repository.
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// When an error is returned by fn, processing stops and List() returns the
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// error.
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//
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// The function fn is called in the same Goroutine List() was called from.
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List(ctx context.Context, t FileType, fn func(ID, int64) error) error
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ListPack(context.Context, ID, int64) ([]Blob, int64, error)
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Flush(context.Context) error
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SaveUnpacked(context.Context, FileType, []byte) (ID, error)
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SaveJSONUnpacked(context.Context, FileType, interface{}) (ID, error)
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LoadJSONUnpacked(context.Context, FileType, ID, interface{}) error
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LoadAndDecrypt(context.Context, FileType, ID) ([]byte, error)
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LoadBlob(context.Context, BlobType, ID, []byte) (int, error)
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SaveBlob(context.Context, BlobType, []byte, ID) (ID, error)
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LoadTree(context.Context, ID) (*Tree, error)
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SaveTree(context.Context, *Tree) (ID, error)
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}
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// Lister allows listing files in a backend.
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type Lister interface {
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List(context.Context, FileType, func(FileInfo) error) error
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}
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// Index keeps track of the blobs are stored within files.
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type Index interface {
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Has(ID, BlobType) bool
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Lookup(ID, BlobType) ([]PackedBlob, bool)
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Count(BlobType) uint
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// Each returns a channel that yields all blobs known to the index. When
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// the context is cancelled, the background goroutine terminates. This
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// blocks any modification of the index.
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Each(ctx context.Context) <-chan PackedBlob
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}
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