mirror of https://github.com/octoleo/restic.git
48 lines
1.5 KiB
Go
48 lines
1.5 KiB
Go
package restic
|
|
|
|
import (
|
|
"context"
|
|
"io"
|
|
)
|
|
|
|
// Backend is used to store and access data.
|
|
type Backend interface {
|
|
// Location returns a string that describes the type and location of the
|
|
// repository.
|
|
Location() string
|
|
|
|
// Test a boolean value whether a File with the name and type exists.
|
|
Test(ctx context.Context, h Handle) (bool, error)
|
|
|
|
// Remove removes a File with type t and name.
|
|
Remove(ctx context.Context, h Handle) error
|
|
|
|
// Close the backend
|
|
Close() error
|
|
|
|
// Save stores the data in the backend under the given handle.
|
|
Save(ctx context.Context, h Handle, rd io.Reader) error
|
|
|
|
// Load returns a reader that yields the contents of the file at h at the
|
|
// given offset. If length is larger than zero, only a portion of the file
|
|
// is returned. rd must be closed after use. If an error is returned, the
|
|
// ReadCloser must be nil.
|
|
Load(ctx context.Context, h Handle, length int, offset int64) (io.ReadCloser, error)
|
|
|
|
// Stat returns information about the File identified by h.
|
|
Stat(ctx context.Context, h Handle) (FileInfo, error)
|
|
|
|
// List returns a channel that yields all names of files of type t in an
|
|
// arbitrary order. A goroutine is started for this, which is stopped when
|
|
// ctx is cancelled.
|
|
List(ctx context.Context, t FileType) <-chan string
|
|
|
|
// IsNotExist returns true if the error was caused by a non-existing file
|
|
// in the backend.
|
|
IsNotExist(err error) bool
|
|
}
|
|
|
|
// FileInfo is returned by Stat() and contains information about a file in the
|
|
// backend.
|
|
type FileInfo struct{ Size int64 }
|