frostfs-node/pkg/services/object/get/v2/service.go
Evgenii Stratonikov 71b87155ef [] *: use stdlib errors package
Signed-off-by: Evgenii Stratonikov <evgeniy@nspcc.ru>
2021-05-19 16:42:54 +03:00

127 lines
2.8 KiB
Go

package getsvc
import (
"context"
"errors"
"github.com/nspcc-dev/neofs-api-go/pkg/object"
objectV2 "github.com/nspcc-dev/neofs-api-go/v2/object"
objectSvc "github.com/nspcc-dev/neofs-node/pkg/services/object"
getsvc "github.com/nspcc-dev/neofs-node/pkg/services/object/get"
objutil "github.com/nspcc-dev/neofs-node/pkg/services/object/util"
)
// Service implements Get operation of Object service v2.
type Service struct {
*cfg
}
// Option represents Service constructor option.
type Option func(*cfg)
type cfg struct {
svc *getsvc.Service
keyStorage *objutil.KeyStorage
}
// NewService constructs Service instance from provided options.
func NewService(opts ...Option) *Service {
c := new(cfg)
for i := range opts {
opts[i](c)
}
return &Service{
cfg: c,
}
}
// Get calls internal service and returns v2 object stream.
func (s *Service) Get(req *objectV2.GetRequest, stream objectSvc.GetObjectStream) error {
p, err := s.toPrm(req, stream)
if err != nil {
return err
}
err = s.svc.Get(stream.Context(), *p)
var splitErr *object.SplitInfoError
switch {
case errors.As(err, &splitErr):
return stream.Send(splitInfoResponse(splitErr.SplitInfo()))
default:
return err
}
}
// GetRange calls internal service and returns v2 payload range stream.
func (s *Service) GetRange(req *objectV2.GetRangeRequest, stream objectSvc.GetObjectRangeStream) error {
p, err := s.toRangePrm(req, stream)
if err != nil {
return err
}
err = s.svc.GetRange(stream.Context(), *p)
var splitErr *object.SplitInfoError
switch {
case errors.As(err, &splitErr):
return stream.Send(splitInfoRangeResponse(splitErr.SplitInfo()))
default:
return err
}
}
// GetRangeHash calls internal service and returns v2 response.
func (s *Service) GetRangeHash(ctx context.Context, req *objectV2.GetRangeHashRequest) (*objectV2.GetRangeHashResponse, error) {
p, err := s.toHashRangePrm(req)
if err != nil {
return nil, err
}
res, err := s.svc.GetRangeHash(ctx, *p)
if err != nil {
return nil, err
}
return toHashResponse(req.GetBody().GetType(), res), nil
}
// Head serves NeoFS API v2 compatible HEAD requests.
func (s *Service) Head(ctx context.Context, req *objectV2.HeadRequest) (*objectV2.HeadResponse, error) {
resp := new(objectV2.HeadResponse)
resp.SetBody(new(objectV2.HeadResponseBody))
p, err := s.toHeadPrm(ctx, req, resp)
if err != nil {
return nil, err
}
err = s.svc.Head(ctx, *p)
var splitErr *object.SplitInfoError
if errors.As(err, &splitErr) {
setSplitInfoHeadResponse(splitErr.SplitInfo(), resp)
err = nil
}
return resp, err
}
func WithInternalService(v *getsvc.Service) Option {
return func(c *cfg) {
c.svc = v
}
}
// WithKeyStorage returns option to set local private key storage.
func WithKeyStorage(ks *objutil.KeyStorage) Option {
return func(c *cfg) {
c.keyStorage = ks
}
}