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Merge pull request #46 from nspcc-dev/object-GetRange-stream

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make object.GetRange to be server-side streaming RPC
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Evgeniy Kulikov 2020-02-05 14:10:10 +03:00 committed by GitHub
commit 2057710f22
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GPG key ID: 4AEE18F83AFDEB23
3 changed files with 143 additions and 120 deletions
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9
docs/object.md
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@ -64,7 +64,7 @@ rpc Put(stream PutRequest) returns (PutResponse);
rpc Delete(DeleteRequest) returns (DeleteResponse); rpc Delete(DeleteRequest) returns (DeleteResponse);
rpc Head(HeadRequest) returns (HeadResponse); rpc Head(HeadRequest) returns (HeadResponse);
rpc Search(SearchRequest) returns (stream SearchResponse); rpc Search(SearchRequest) returns (stream SearchResponse);
rpc GetRange(GetRangeRequest) returns (GetRangeResponse); rpc GetRange(GetRangeRequest) returns (stream GetRangeResponse);
rpc GetRangeHash(GetRangeHashRequest) returns (GetRangeHashResponse); rpc GetRangeHash(GetRangeHashRequest) returns (GetRangeHashResponse);
``` ```
@ -119,8 +119,9 @@ package).
| Search | [SearchRequest](#object.SearchRequest) | [SearchResponse](#object.SearchResponse) | | Search | [SearchRequest](#object.SearchRequest) | [SearchResponse](#object.SearchResponse) |
#### Method GetRange #### Method GetRange
GetRange of data payload. Ranges are set of pairs (offset, length). GetRange of data payload. Range is a pair (offset, length).
Fragments order in response corresponds to ranges order in request. Requested range can be restored by concatenation of all chunks
keeping receiving order.
| Name | Input | Output | | Name | Input | Output |
| ---- | ----- | ------ | | ---- | ----- | ------ |
@ -196,7 +197,7 @@ in distributed system.
| Field | Type | Label | Description | | Field | Type | Label | Description |
| ----- | ---- | ----- | ----------- | | ----- | ---- | ----- | ----------- |
| Address | [refs.Address](#refs.Address) | | Address of object (container id + object id) | | Address | [refs.Address](#refs.Address) | | Address of object (container id + object id) |
| Ranges | [Range](#object.Range) | repeated | Ranges of object's payload to return | | Range | [Range](#object.Range) | | Range of object's payload to return |
| Meta | [service.RequestMetaHeader](#service.RequestMetaHeader) | | RequestMetaHeader contains information about request meta headers (should be embedded into message) | | Meta | [service.RequestMetaHeader](#service.RequestMetaHeader) | | RequestMetaHeader contains information about request meta headers (should be embedded into message) |
| Verify | [service.RequestVerificationHeader](#service.RequestVerificationHeader) | | RequestVerificationHeader is a set of signatures of every NeoFS Node that processed request (should be embedded into message) | | Verify | [service.RequestVerificationHeader](#service.RequestVerificationHeader) | | RequestVerificationHeader is a set of signatures of every NeoFS Node that processed request (should be embedded into message) |

227
object/service.pb.go
View file

@ -661,8 +661,8 @@ func (m *SearchResponse) GetAddresses() []refs.Address {
type GetRangeRequest struct { type GetRangeRequest struct {
// Address of object (container id + object id) // Address of object (container id + object id)
Address refs.Address `protobuf:"bytes,1,opt,name=Address,proto3" json:"Address"` Address refs.Address `protobuf:"bytes,1,opt,name=Address,proto3" json:"Address"`
// Ranges of object's payload to return // Range of object's payload to return
Ranges []Range `protobuf:"bytes,2,rep,name=Ranges,proto3" json:"Ranges"` Range Range `protobuf:"bytes,2,opt,name=Range,proto3" json:"Range"`
// RequestMetaHeader contains information about request meta headers (should be embedded into message) // RequestMetaHeader contains information about request meta headers (should be embedded into message)
service.RequestMetaHeader `protobuf:"bytes,98,opt,name=Meta,proto3,embedded=Meta" json:"Meta"` service.RequestMetaHeader `protobuf:"bytes,98,opt,name=Meta,proto3,embedded=Meta" json:"Meta"`
// RequestVerificationHeader is a set of signatures of every NeoFS Node that processed request (should be embedded into message) // RequestVerificationHeader is a set of signatures of every NeoFS Node that processed request (should be embedded into message)
@ -708,11 +708,11 @@ func (m *GetRangeRequest) GetAddress() refs.Address {
return refs.Address{} return refs.Address{}
} }
func (m *GetRangeRequest) GetRanges() []Range { func (m *GetRangeRequest) GetRange() Range {
if m != nil { if m != nil {
return m.Ranges return m.Range
} }
return nil return Range{}
} }
type GetRangeResponse struct { type GetRangeResponse struct {
@ -883,60 +883,61 @@ func init() {
func init() { proto.RegisterFile("object/service.proto", fileDescriptor_dfcdf610ade6a9ce) } func init() { proto.RegisterFile("object/service.proto", fileDescriptor_dfcdf610ade6a9ce) }
var fileDescriptor_dfcdf610ade6a9ce = []byte{ var fileDescriptor_dfcdf610ade6a9ce = []byte{
// 846 bytes of a gzipped FileDescriptorProto // 859 bytes of a gzipped FileDescriptorProto
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} }
// Reference imports to suppress errors if they are not otherwise used. // Reference imports to suppress errors if they are not otherwise used.
@ -974,9 +975,10 @@ type ServiceClient interface {
// set to 1. Search query represented in serialized format (see query // set to 1. Search query represented in serialized format (see query
// package). // package).
Search(ctx context.Context, in *SearchRequest, opts ...grpc.CallOption) (Service_SearchClient, error) Search(ctx context.Context, in *SearchRequest, opts ...grpc.CallOption) (Service_SearchClient, error)
// GetRange of data payload. Ranges are set of pairs (offset, length). // GetRange of data payload. Range is a pair (offset, length).
// Fragments order in response corresponds to ranges order in request. // Requested range can be restored by concatenation of all chunks
GetRange(ctx context.Context, in *GetRangeRequest, opts ...grpc.CallOption) (*GetRangeResponse, error) // keeping receiving order.
GetRange(ctx context.Context, in *GetRangeRequest, opts ...grpc.CallOption) (Service_GetRangeClient, error)
// GetRangeHash returns homomorphic hash of object payload range after XOR // GetRangeHash returns homomorphic hash of object payload range after XOR
// operation. Ranges are set of pairs (offset, length). Hashes order in // operation. Ranges are set of pairs (offset, length). Hashes order in
// response corresponds to ranges order in request. Homomorphic hash is // response corresponds to ranges order in request. Homomorphic hash is
@ -1108,13 +1110,36 @@ func (x *serviceSearchClient) Recv() (*SearchResponse, error) {
return m, nil return m, nil
} }
func (c *serviceClient) GetRange(ctx context.Context, in *GetRangeRequest, opts ...grpc.CallOption) (*GetRangeResponse, error) { func (c *serviceClient) GetRange(ctx context.Context, in *GetRangeRequest, opts ...grpc.CallOption) (Service_GetRangeClient, error) {
out := new(GetRangeResponse) stream, err := c.cc.NewStream(ctx, &_Service_serviceDesc.Streams[3], "/object.Service/GetRange", opts...)
err := c.cc.Invoke(ctx, "/object.Service/GetRange", in, out, opts...)
if err != nil { if err != nil {
return nil, err return nil, err
} }
return out, nil x := &serviceGetRangeClient{stream}
if err := x.ClientStream.SendMsg(in); err != nil {
return nil, err
}
if err := x.ClientStream.CloseSend(); err != nil {
return nil, err
}
return x, nil
}
type Service_GetRangeClient interface {
Recv() (*GetRangeResponse, error)
grpc.ClientStream
}
type serviceGetRangeClient struct {
grpc.ClientStream
}
func (x *serviceGetRangeClient) Recv() (*GetRangeResponse, error) {
m := new(GetRangeResponse)
if err := x.ClientStream.RecvMsg(m); err != nil {
return nil, err
}
return m, nil
} }
func (c *serviceClient) GetRangeHash(ctx context.Context, in *GetRangeHashRequest, opts ...grpc.CallOption) (*GetRangeHashResponse, error) { func (c *serviceClient) GetRangeHash(ctx context.Context, in *GetRangeHashRequest, opts ...grpc.CallOption) (*GetRangeHashResponse, error) {
@ -1151,9 +1176,10 @@ type ServiceServer interface {
// set to 1. Search query represented in serialized format (see query // set to 1. Search query represented in serialized format (see query
// package). // package).
Search(*SearchRequest, Service_SearchServer) error Search(*SearchRequest, Service_SearchServer) error
// GetRange of data payload. Ranges are set of pairs (offset, length). // GetRange of data payload. Range is a pair (offset, length).
// Fragments order in response corresponds to ranges order in request. // Requested range can be restored by concatenation of all chunks
GetRange(context.Context, *GetRangeRequest) (*GetRangeResponse, error) // keeping receiving order.
GetRange(*GetRangeRequest, Service_GetRangeServer) error
// GetRangeHash returns homomorphic hash of object payload range after XOR // GetRangeHash returns homomorphic hash of object payload range after XOR
// operation. Ranges are set of pairs (offset, length). Hashes order in // operation. Ranges are set of pairs (offset, length). Hashes order in
// response corresponds to ranges order in request. Homomorphic hash is // response corresponds to ranges order in request. Homomorphic hash is
@ -1180,8 +1206,8 @@ func (*UnimplementedServiceServer) Head(ctx context.Context, req *HeadRequest) (
func (*UnimplementedServiceServer) Search(req *SearchRequest, srv Service_SearchServer) error { func (*UnimplementedServiceServer) Search(req *SearchRequest, srv Service_SearchServer) error {
return status.Errorf(codes.Unimplemented, "method Search not implemented") return status.Errorf(codes.Unimplemented, "method Search not implemented")
} }
func (*UnimplementedServiceServer) GetRange(ctx context.Context, req *GetRangeRequest) (*GetRangeResponse, error) { func (*UnimplementedServiceServer) GetRange(req *GetRangeRequest, srv Service_GetRangeServer) error {
return nil, status.Errorf(codes.Unimplemented, "method GetRange not implemented") return status.Errorf(codes.Unimplemented, "method GetRange not implemented")
} }
func (*UnimplementedServiceServer) GetRangeHash(ctx context.Context, req *GetRangeHashRequest) (*GetRangeHashResponse, error) { func (*UnimplementedServiceServer) GetRangeHash(ctx context.Context, req *GetRangeHashRequest) (*GetRangeHashResponse, error) {
return nil, status.Errorf(codes.Unimplemented, "method GetRangeHash not implemented") return nil, status.Errorf(codes.Unimplemented, "method GetRangeHash not implemented")
@ -1295,22 +1321,25 @@ func (x *serviceSearchServer) Send(m *SearchResponse) error {
return x.ServerStream.SendMsg(m) return x.ServerStream.SendMsg(m)
} }
func _Service_GetRange_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) { func _Service_GetRange_Handler(srv interface{}, stream grpc.ServerStream) error {
in := new(GetRangeRequest) m := new(GetRangeRequest)
if err := dec(in); err != nil { if err := stream.RecvMsg(m); err != nil {
return nil, err return err
} }
if interceptor == nil { return srv.(ServiceServer).GetRange(m, &serviceGetRangeServer{stream})
return srv.(ServiceServer).GetRange(ctx, in) }
}
info := &grpc.UnaryServerInfo{ type Service_GetRangeServer interface {
Server: srv, Send(*GetRangeResponse) error
FullMethod: "/object.Service/GetRange", grpc.ServerStream
} }
handler := func(ctx context.Context, req interface{}) (interface{}, error) {
return srv.(ServiceServer).GetRange(ctx, req.(*GetRangeRequest)) type serviceGetRangeServer struct {
} grpc.ServerStream
return interceptor(ctx, in, info, handler) }
func (x *serviceGetRangeServer) Send(m *GetRangeResponse) error {
return x.ServerStream.SendMsg(m)
} }
func _Service_GetRangeHash_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) { func _Service_GetRangeHash_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
@ -1343,10 +1372,6 @@ var _Service_serviceDesc = grpc.ServiceDesc{
MethodName: "Head", MethodName: "Head",
Handler: _Service_Head_Handler, Handler: _Service_Head_Handler,
}, },
{
MethodName: "GetRange",
Handler: _Service_GetRange_Handler,
},
{ {
MethodName: "GetRangeHash", MethodName: "GetRangeHash",
Handler: _Service_GetRangeHash_Handler, Handler: _Service_GetRangeHash_Handler,
@ -1368,6 +1393,11 @@ var _Service_serviceDesc = grpc.ServiceDesc{
Handler: _Service_Search_Handler, Handler: _Service_Search_Handler,
ServerStreams: true, ServerStreams: true,
}, },
{
StreamName: "GetRange",
Handler: _Service_GetRange_Handler,
ServerStreams: true,
},
}, },
Metadata: "object/service.proto", Metadata: "object/service.proto",
} }
@ -2093,10 +2123,8 @@ func (m *GetRangeRequest) MarshalToSizedBuffer(dAtA []byte) (int, error) {
dAtA[i] = 0x6 dAtA[i] = 0x6
i-- i--
dAtA[i] = 0x92 dAtA[i] = 0x92
if len(m.Ranges) > 0 {
for iNdEx := len(m.Ranges) - 1; iNdEx >= 0; iNdEx-- {
{ {
size, err := m.Ranges[iNdEx].MarshalToSizedBuffer(dAtA[:i]) size, err := m.Range.MarshalToSizedBuffer(dAtA[:i])
if err != nil { if err != nil {
return 0, err return 0, err
} }
@ -2105,8 +2133,6 @@ func (m *GetRangeRequest) MarshalToSizedBuffer(dAtA []byte) (int, error) {
} }
i-- i--
dAtA[i] = 0x12 dAtA[i] = 0x12
}
}
{ {
size, err := m.Address.MarshalToSizedBuffer(dAtA[:i]) size, err := m.Address.MarshalToSizedBuffer(dAtA[:i])
if err != nil { if err != nil {
@ -2554,12 +2580,8 @@ func (m *GetRangeRequest) Size() (n int) {
_ = l _ = l
l = m.Address.Size() l = m.Address.Size()
n += 1 + l + sovService(uint64(l)) n += 1 + l + sovService(uint64(l))
if len(m.Ranges) > 0 { l = m.Range.Size()
for _, e := range m.Ranges {
l = e.Size()
n += 1 + l + sovService(uint64(l)) n += 1 + l + sovService(uint64(l))
}
}
l = m.RequestMetaHeader.Size() l = m.RequestMetaHeader.Size()
n += 2 + l + sovService(uint64(l)) n += 2 + l + sovService(uint64(l))
l = m.RequestVerificationHeader.Size() l = m.RequestVerificationHeader.Size()
@ -4253,7 +4275,7 @@ func (m *GetRangeRequest) Unmarshal(dAtA []byte) error {
iNdEx = postIndex iNdEx = postIndex
case 2: case 2:
if wireType != 2 { if wireType != 2 {
return fmt.Errorf("proto: wrong wireType = %d for field Ranges", wireType) return fmt.Errorf("proto: wrong wireType = %d for field Range", wireType)
} }
var msglen int var msglen int
for shift := uint(0); ; shift += 7 { for shift := uint(0); ; shift += 7 {
@ -4280,8 +4302,7 @@ func (m *GetRangeRequest) Unmarshal(dAtA []byte) error {
if postIndex > l { if postIndex > l {
return io.ErrUnexpectedEOF return io.ErrUnexpectedEOF
} }
m.Ranges = append(m.Ranges, Range{}) if err := m.Range.Unmarshal(dAtA[iNdEx:postIndex]); err != nil {
if err := m.Ranges[len(m.Ranges)-1].Unmarshal(dAtA[iNdEx:postIndex]); err != nil {
return err return err
} }
iNdEx = postIndex iNdEx = postIndex

11
object/service.proto
View file

@ -42,9 +42,10 @@ service Service {
// package). // package).
rpc Search(SearchRequest) returns (stream SearchResponse); rpc Search(SearchRequest) returns (stream SearchResponse);
// GetRange of data payload. Ranges are set of pairs (offset, length). // GetRange of data payload. Range is a pair (offset, length).
// Fragments order in response corresponds to ranges order in request. // Requested range can be restored by concatenation of all chunks
rpc GetRange(GetRangeRequest) returns (GetRangeResponse); // keeping receiving order.
rpc GetRange(GetRangeRequest) returns (stream GetRangeResponse);
// GetRangeHash returns homomorphic hash of object payload range after XOR // GetRangeHash returns homomorphic hash of object payload range after XOR
// operation. Ranges are set of pairs (offset, length). Hashes order in // operation. Ranges are set of pairs (offset, length). Hashes order in
@ -153,8 +154,8 @@ message SearchResponse {
message GetRangeRequest { message GetRangeRequest {
// Address of object (container id + object id) // Address of object (container id + object id)
refs.Address Address = 1 [(gogoproto.nullable) = false]; refs.Address Address = 1 [(gogoproto.nullable) = false];
// Ranges of object's payload to return // Range of object's payload to return
repeated Range Ranges = 2 [(gogoproto.nullable) = false]; Range Range = 2 [(gogoproto.nullable) = false];
// RequestMetaHeader contains information about request meta headers (should be embedded into message) // RequestMetaHeader contains information about request meta headers (should be embedded into message)
service.RequestMetaHeader Meta = 98 [(gogoproto.embed) = true, (gogoproto.nullable) = false]; service.RequestMetaHeader Meta = 98 [(gogoproto.embed) = true, (gogoproto.nullable) = false];
// RequestVerificationHeader is a set of signatures of every NeoFS Node that processed request (should be embedded into message) // RequestVerificationHeader is a set of signatures of every NeoFS Node that processed request (should be embedded into message)