transport

type DirEntry struct {
	Name  string
	IsDir bool
}

type RemoteInfo struct {
	Size  int64
	Mtime time.Time
	IsDir bool
}

type Transport interface {
	Connect() error
	Close() error
	Upload(localPath, remoteRelPath string, progress io.Writer) error
	Download(remoteRelPath, localPath string, progress io.Writer) error
	List(remoteDir string) ([]string, error)
	ListDir(remoteDir string) ([]DirEntry, error)
	Delete(remoteRelPath string) error
	Stat(remoteRelPath string) (RemoteInfo, error)
	FileExists(remoteRelPath string) (bool, int64, error)
	ReadFile(remoteRelPath string) ([]byte, error)
	WriteFile(remoteRelPath string, data []byte) error
	EnsureDir(remoteRelPath string) error
}