distribution/storagedriver/storagedriver.go

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package storagedriver
import (
"fmt"
"io"
)
type StorageDriver interface {
GetContent(path string) ([]byte, error)
PutContent(path string, content []byte) error
ReadStream(path string, offset uint64) (io.ReadCloser, error)
WriteStream(path string, offset, size uint64, readCloser io.ReadCloser) error
ResumeWritePosition(path string) (uint64, error)
List(prefix string) ([]string, error)
Move(sourcePath string, destPath string) error
Delete(path string) error
}
type PathNotFoundError struct {
Path string
}
func (err PathNotFoundError) Error() string {
return fmt.Sprintf("Path not found: %s", err.Path)
}
type InvalidOffsetError struct {
Path string
Offset uint64
}
func (err InvalidOffsetError) Error() string {
return fmt.Sprintf("Invalid offset: %d for path: %s", err.Offset, err.Path)
}