utils

type AssistHandler interface {
	Init(in *string) error                                                                        //in is json format
	Handle(ctx context.Context, in *pb.RunJobRequest, j *flowtype.Job, remoteBucket string) error //info include authentification and other handler need information

}

type LocationInfo struct {
	StorType   string //aws-s3,azure-blob,hw-obs,ceph-s3 etc.
	Region     string
	EndPoint   string
	BucketName string //remote bucket name
	VirBucket  string //local bucket name
	Access     string
	Security   string
	BakendName string
}

type Migration interface {
	Init()
	HandleMsg(msg string)
}

type MoveWorker interface {
	DownloadObj(objKey string, srcLoca *LocationInfo, buf []byte) (size int64, err error)
	UploadObj(objKey string, destLoca *LocationInfo, buf []byte) error
	DeleteObj(objKey string, loca *LocationInfo) error
	MultiPartDownloadInit(srcLoca *LocationInfo) error
	DownloadRange(objKey string, srcLoca *LocationInfo, buf []byte, start int64, end int64) (size int64, err error)
	MultiPartUploadInit(objKey string, destLoca *LocationInfo) error
	UploadPart(objKey string, destLoca *LocationInfo, upBytes int64, buf []byte, partNumber int64, offset int64) error
	AbortMultipartUpload(objKey string, destLoca *LocationInfo) error
	CompleteMultipartUpload(objKey string, destLoca *LocationInfo) error
}