TrueCloudLab
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frostfs-node
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[#6] services/util: Remove `CreateRequestStreamer` 

There is no need in a wrapper with many from-`interface{}` conversions.

Signed-off-by: Evgenii Stratonikov <e.stratonikov@yadro.com>
pull/6/head
Evgenii Stratonikov 2022-12-30 18:01:51 +03:00
parent cb2c579000
commit 5d13f70cb0
2 changed files with 11 additions and 60 deletions
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24
pkg/services/object/response.go
View File

@ -5,7 +5,6 @@ import (
"fmt"
"git.frostfs.info/TrueCloudLab/frostfs-api-go/v2/object"
"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/services/util"
"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/services/util/response"
)
@ -34,7 +33,8 @@ type getRangeStreamResponser struct {
}
type putStreamResponser struct {
stream *response.ClientMessageStreamer
stream PutObjectStream
respSvc *response.Service
}
// NewResponseService returns object service instance that passes internal service
@ -59,16 +59,20 @@ func (s *ResponseService) Get(req *object.GetRequest, stream GetObjectStream) er
}
func (s *putStreamResponser) Send(req *object.PutRequest) error {
return s.stream.Send(req)
if err := s.stream.Send(req); err != nil {
return fmt.Errorf("could not send the request: %w", err)
}
return nil
}
func (s *putStreamResponser) CloseAndRecv() (*object.PutResponse, error) {
r, err := s.stream.CloseAndRecv()
if err != nil {
return nil, fmt.Errorf("(%T) could not receive response: %w", s, err)
return nil, fmt.Errorf("could not close stream and receive response: %w", err)
}
return r.(*object.PutResponse), nil
s.respSvc.SetMeta(r)
return r, nil
}
func (s *ResponseService) Put(ctx context.Context) (PutObjectStream, error) {
@ -78,14 +82,8 @@ func (s *ResponseService) Put(ctx context.Context) (PutObjectStream, error) {
}
return &putStreamResponser{
stream: s.respSvc.CreateRequestStreamer(
func(req any) error {
return stream.Send(req.(*object.PutRequest))
},
func() (util.ResponseMessage, error) {
return stream.CloseAndRecv()
},
),
stream: stream,
respSvc: s.respSvc,
}, nil
}

47
pkg/services/util/response/client_stream.go
View File

@ -1,47 +0,0 @@
package response
import (
"fmt"
"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/services/util"
)
// ClientMessageStreamer represents client-side message streamer
// that sets meta values to the response.
type ClientMessageStreamer struct {
srv *Service
send util.RequestMessageWriter
close util.ClientStreamCloser
}
// Send calls send method of internal streamer.
func (s *ClientMessageStreamer) Send(req any) error {
if err := s.send(req); err != nil {
return fmt.Errorf("(%T) could not send the request: %w", s, err)
}
return nil
}
// CloseAndRecv closes internal stream, receivers the response,
// sets meta values and returns the result.
func (s *ClientMessageStreamer) CloseAndRecv() (util.ResponseMessage, error) {
resp, err := s.close()
if err != nil {
return nil, fmt.Errorf("(%T) could not close stream and receive response: %w", s, err)
}
s.srv.SetMeta(resp)
return resp, nil
}
// CreateRequestStreamer wraps stream methods and returns ClientMessageStreamer instance.
func (s *Service) CreateRequestStreamer(sender util.RequestMessageWriter, closer util.ClientStreamCloser) *ClientMessageStreamer {
return &ClientMessageStreamer{
srv: s,
send: sender,
close: closer,
}
}