package object import ( "context" "io" "github.com/nspcc-dev/neofs-api-go/v2/object" objectGRPC "github.com/nspcc-dev/neofs-api-go/v2/object/grpc" objectSvc "github.com/nspcc-dev/neofs-node/pkg/services/object" "github.com/pkg/errors" ) // Server wraps NeoFS API Object service and // provides gRPC Object service server interface. type Server struct { srv objectSvc.ServiceServer } // New creates, initializes and returns Server instance. func New(c objectSvc.ServiceServer) *Server { return &Server{ srv: c, } } // Put opens internal Object service Put stream and overtakes data from gRPC stream to it. func (s *Server) Put(gStream objectGRPC.ObjectService_PutServer) error { stream, err := s.srv.Put(gStream.Context()) if err != nil { // TODO: think about how we transport errors through gRPC return err } for { req, err := gStream.Recv() if err != nil { if errors.Is(errors.Cause(err), io.EOF) { resp, err := stream.CloseAndRecv() if err != nil { return err } return gStream.SendAndClose(resp.ToGRPCMessage().(*objectGRPC.PutResponse)) } return err } putReq := new(object.PutRequest) if err := putReq.FromGRPCMessage(req); err != nil { return err } if err := stream.Send(putReq); err != nil { return err } } } // Delete converts gRPC DeleteRequest message and passes it to internal Object service. func (s *Server) Delete(ctx context.Context, req *objectGRPC.DeleteRequest) (*objectGRPC.DeleteResponse, error) { delReq := new(object.DeleteRequest) if err := delReq.FromGRPCMessage(req); err != nil { return nil, err } resp, err := s.srv.Delete(ctx, delReq) if err != nil { // TODO: think about how we transport errors through gRPC return nil, err } return resp.ToGRPCMessage().(*objectGRPC.DeleteResponse), nil } // Head converts gRPC HeadRequest message and passes it to internal Object service. func (s *Server) Head(ctx context.Context, req *objectGRPC.HeadRequest) (*objectGRPC.HeadResponse, error) { searchReq := new(object.HeadRequest) if err := searchReq.FromGRPCMessage(req); err != nil { return nil, err } resp, err := s.srv.Head(ctx, searchReq) if err != nil { // TODO: think about how we transport errors through gRPC return nil, err } return resp.ToGRPCMessage().(*objectGRPC.HeadResponse), nil } // GetRangeHash converts gRPC GetRangeHashRequest message and passes it to internal Object service. func (s *Server) GetRangeHash(ctx context.Context, req *objectGRPC.GetRangeHashRequest) (*objectGRPC.GetRangeHashResponse, error) { hashRngReq := new(object.GetRangeHashRequest) if err := hashRngReq.FromGRPCMessage(req); err != nil { return nil, err } resp, err := s.srv.GetRangeHash(ctx, hashRngReq) if err != nil { // TODO: think about how we transport errors through gRPC return nil, err } return resp.ToGRPCMessage().(*objectGRPC.GetRangeHashResponse), nil }