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