40 lines
1.3 KiB
Go
40 lines
1.3 KiB
Go
package restic
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import "io"
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// Backend is used to store and access data.
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type Backend interface {
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// Location returns a string that describes the type and location of the
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// repository.
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Location() string
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// Test a boolean value whether a File with the name and type exists.
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Test(t FileType, name string) (bool, error)
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// Remove removes a File with type t and name.
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Remove(t FileType, name string) error
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// Close the backend
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Close() error
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// Save stores the data in the backend under the given handle.
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Save(h Handle, rd io.Reader) error
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// Load returns a reader that yields the contents of the file at h at the
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// given offset. If length is larger than zero, only a portion of the file
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// is returned. rd must be closed after use. If an error is returned, the
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// ReadCloser must be nil.
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Load(h Handle, length int, offset int64) (io.ReadCloser, error)
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// Stat returns information about the File identified by h.
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Stat(h Handle) (FileInfo, error)
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// List returns a channel that yields all names of files of type t in an
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// arbitrary order. A goroutine is started for this. If the channel done is
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// closed, sending stops.
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List(t FileType, done <-chan struct{}) <-chan string
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}
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// FileInfo is returned by Stat() and contains information about a file in the
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// backend.
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type FileInfo struct{ Size int64 }
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