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[#1326] services/tree: Implement GetSubTree RPC

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Signed-off-by: Evgenii Stratonikov <evgeniy@nspcc.ru>
This commit is contained in:
Evgenii Stratonikov 2022-04-29 13:06:10 +03:00 committed by fyrchik
parent 62154da17c
commit aea855e8f3
10 changed files with 431 additions and 255 deletions
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14
pkg/local_object_storage/engine/tree.go
View file

@ -76,3 +76,17 @@ func (e *StorageEngine) TreeGetMeta(cid cidSDK.ID, treeID string, nodeID piloram
}
return pilorama.Meta{}, err
}
// TreeGetChildren implements the pilorama.Forest interface.
func (e *StorageEngine) TreeGetChildren(cid cidSDK.ID, treeID string, nodeID pilorama.Node) ([]uint64, error) {
var err error
var nodes []uint64
for _, sh := range e.sortShardsByWeight(cid) {
nodes, err = sh.TreeGetChildren(cid, treeID, nodeID)
if err != nil {
continue
}
return nodes, nil
}
return nil, err
}

25
pkg/local_object_storage/pilorama/boltdb.go
View file

@ -416,6 +416,31 @@ func (t *boltForest) TreeGetMeta(cid cidSDK.ID, treeID string, nodeID Node) (Met
return m, err
}
// TreeGetChildren implements the Forest interface.
func (t *boltForest) TreeGetChildren(cid cidSDK.ID, treeID string, nodeID Node) ([]uint64, error) {
key := make([]byte, 9)
key[0] = 'c'
binary.LittleEndian.PutUint64(key[1:], nodeID)
var children []uint64
err := t.db.View(func(tx *bbolt.Tx) error {
treeRoot := tx.Bucket(bucketName(cid, treeID))
if treeRoot == nil {
return ErrTreeNotFound
}
b := treeRoot.Bucket(dataBucket)
c := b.Cursor()
for k, _ := c.Seek(key); len(k) == 17 && binary.LittleEndian.Uint64(k[1:]) == nodeID; k, _ = c.Next() {
children = append(children, binary.LittleEndian.Uint64(k[9:]))
}
return nil
})
return children, err
}
func (t *boltForest) getPathPrefix(bTree *bbolt.Bucket, attr string, path []string) (int, Node, error) {
var key [9]byte

18
pkg/local_object_storage/pilorama/forest.go
View file

@ -112,3 +112,21 @@ func (f *memoryForest) TreeGetMeta(cid cidSDK.ID, treeID string, nodeID Node) (M
return s.getMeta(nodeID), nil
}
// TreeGetChildren implements the Forest interface.
func (f *memoryForest) TreeGetChildren(cid cidSDK.ID, treeID string, nodeID Node) ([]uint64, error) {
fullID := cid.String() + "/" + treeID
s, ok := f.treeMap[fullID]
if !ok {
return nil, ErrTreeNotFound
}
children, ok := s.childMap[nodeID]
if !ok {
return nil, nil
}
res := make([]Node, len(children))
copy(res, children)
return res, nil
}

56
pkg/local_object_storage/pilorama/forest_test.go
View file

@ -98,6 +98,62 @@ func testForestTreeMove(t *testing.T, s Forest) {
})
}
func TestMemoryForest_TreeGetChildren(t *testing.T) {
for i := range providers {
t.Run(providers[i].name, func(t *testing.T) {
testForestTreeGetChildren(t, providers[i].construct(t))
})
}
}
func testForestTreeGetChildren(t *testing.T, s Forest) {
cid := cidtest.ID()
treeID := "version"
treeAdd := func(t *testing.T, child, parent Node) {
_, err := s.TreeMove(cid, treeID, &Move{
Parent: parent,
Child: child,
})
require.NoError(t, err)
}
// 0
// |- 10
// | |- 3
// | |- 6
// | |- 11
// |- 2
// |- 7
treeAdd(t, 10, 0)
treeAdd(t, 3, 10)
treeAdd(t, 6, 10)
treeAdd(t, 11, 6)
treeAdd(t, 2, 0)
treeAdd(t, 7, 0)
testGetChildren := func(t *testing.T, nodeID Node, expected []Node) {
actual, err := s.TreeGetChildren(cid, treeID, nodeID)
require.NoError(t, err)
require.ElementsMatch(t, expected, actual)
}
testGetChildren(t, 0, []uint64{10, 2, 7})
testGetChildren(t, 10, []uint64{3, 6})
testGetChildren(t, 3, nil)
testGetChildren(t, 6, []uint64{11})
testGetChildren(t, 11, nil)
testGetChildren(t, 2, nil)
testGetChildren(t, 7, nil)
t.Run("missing node", func(t *testing.T) {
testGetChildren(t, 42, nil)
})
t.Run("missing tree", func(t *testing.T) {
_, err := s.TreeGetChildren(cid, treeID+"123", 0)
require.ErrorIs(t, err, ErrTreeNotFound)
})
}
func TestForest_TreeAdd(t *testing.T) {
for i := range providers {
t.Run(providers[i].name, func(t *testing.T) {

2
pkg/local_object_storage/pilorama/interface.go
View file

@ -20,6 +20,8 @@ type Forest interface {
TreeGetByPath(cid cidSDK.ID, treeID string, attr string, path []string, latest bool) ([]Node, error)
// TreeGetMeta returns meta information of the node with the specified ID.
TreeGetMeta(cid cidSDK.ID, treeID string, nodeID Node) (Meta, error)
// TreeGetChildren returns children of the node with the specified ID. The order is arbitrary.
TreeGetChildren(cid cidSDK.ID, treeID string, nodeID Node) ([]uint64, error)
}
type ForestStorage interface {

5
pkg/local_object_storage/shard/tree.go
View file

@ -31,3 +31,8 @@ func (s *Shard) TreeGetByPath(cid cidSDK.ID, treeID string, attr string, path []
func (s *Shard) TreeGetMeta(cid cidSDK.ID, treeID string, nodeID pilorama.Node) (pilorama.Meta, error) {
return s.pilorama.TreeGetMeta(cid, treeID, nodeID)
}
// TreeGetChildren implements the pilorama.Forest interface.
func (s *Shard) TreeGetChildren(cid cidSDK.ID, treeID string, nodeID pilorama.Node) ([]uint64, error) {
return s.pilorama.TreeGetChildren(cid, treeID, nodeID)
}

99
pkg/services/tree/service.go
View file

@ -21,6 +21,9 @@ type Service struct {
closeCh chan struct{}
}
// MaxGetSubTreeDepth represents maximum allowed traversal depth in GetSubTree RPC.
const MaxGetSubTreeDepth = 10
var _ TreeServiceServer = (*Service)(nil)
// New creates new tree service instance.
@ -66,7 +69,7 @@ func (s *Service) Add(_ context.Context, req *AddRequest) (*AddResponse, error)
log, err := s.forest.TreeMove(cid, b.GetTreeId(), &pilorama.Move{
Parent: b.GetParentId(),
Child: pilorama.RootID,
Meta: pilorama.Meta{Items: constructMeta(b.GetMeta())},
Meta: pilorama.Meta{Items: protoToMeta(b.GetMeta())},
})
if err != nil {
return nil, err
@ -93,7 +96,7 @@ func (s *Service) AddByPath(_ context.Context, req *AddByPathRequest) (*AddByPat
return nil, err
}
meta := constructMeta(b.GetMeta())
meta := protoToMeta(b.GetMeta())
attr := b.GetPathAttribute()
if len(attr) == 0 {
@ -173,7 +176,7 @@ func (s *Service) Move(_ context.Context, req *MoveRequest) (*MoveResponse, erro
log, err := s.forest.TreeMove(cid, b.GetTreeId(), &pilorama.Move{
Parent: b.GetParentId(),
Child: b.GetNodeId(),
Meta: pilorama.Meta{Items: constructMeta(b.GetMeta())},
Meta: pilorama.Meta{Items: protoToMeta(b.GetMeta())},
})
if err != nil {
return nil, err
@ -211,23 +214,20 @@ func (s *Service) GetNodeByPath(_ context.Context, req *GetNodeByPathRequest) (*
var x GetNodeByPathResponse_Info
x.NodeId = node
x.Timestamp = m.Time
for _, kv := range m.Items {
needAttr := b.AllAttributes
if !needAttr {
if b.AllAttributes {
x.Meta = metaToProto(m.Items)
} else {
for _, kv := range m.Items {
for _, attr := range b.GetAttributes() {
if kv.Key == attr {
needAttr = true
x.Meta = append(x.Meta, &KeyValue{
Key: kv.Key,
Value: kv.Value,
})
break
}
}
}
if needAttr {
x.Meta = append(x.Meta, &KeyValue{
Key: kv.Key,
Value: kv.Value,
})
}
}
info = append(info, &x)
}
@ -239,8 +239,56 @@ func (s *Service) GetNodeByPath(_ context.Context, req *GetNodeByPathRequest) (*
}, nil
}
func (s *Service) GetSubTree(_ context.Context, req *GetSubTreeRequest) (*GetSubTreeResponse, error) {
return nil, errors.New("GetSubTree is unimplemented")
type nodeDepthPair struct {
nodes []uint64
depth uint32
}
func (s *Service) GetSubTree(req *GetSubTreeRequest, srv TreeService_GetSubTreeServer) error {
b := req.GetBody()
if b.GetDepth() > MaxGetSubTreeDepth {
return fmt.Errorf("too big depth: max=%d, got=%d", MaxGetSubTreeDepth, b.GetDepth())
}
var cid cidSDK.ID
if err := cid.Decode(b.GetContainerId()); err != nil {
return err
}
queue := []nodeDepthPair{{[]uint64{b.GetRootId()}, 0}}
for len(queue) != 0 {
for _, nodeID := range queue[0].nodes {
m, err := s.forest.TreeGetMeta(cid, b.GetTreeId(), nodeID)
if err != nil {
return err
}
err = srv.Send(&GetSubTreeResponse{
Body: &GetSubTreeResponse_Body{
NodeId: b.GetRootId(),
ParentId: b.GetRootId(),
Timestamp: m.Time,
Meta: metaToProto(m.Items),
},
})
if err != nil {
return err
}
}
if queue[0].depth < b.GetDepth() {
for _, nodeID := range queue[0].nodes {
children, err := s.forest.TreeGetChildren(cid, b.GetTreeId(), nodeID)
if err != nil {
return err
}
queue = append(queue, nodeDepthPair{children, queue[0].depth + 1})
}
}
queue = queue[1:]
}
return nil
}
// Apply locally applies operation from the remote node to the tree.
@ -284,11 +332,24 @@ loop:
})
}
func constructMeta(arr []*KeyValue) []pilorama.KeyValue {
func protoToMeta(arr []*KeyValue) []pilorama.KeyValue {
meta := make([]pilorama.KeyValue, len(arr))
for i, kv := range arr {
meta[i].Key = kv.Key
meta[i].Value = kv.Value
if kv != nil {
meta[i].Key = kv.Key
meta[i].Value = kv.Value
}
}
return meta
}
func metaToProto(arr []pilorama.KeyValue) []*KeyValue {
meta := make([]*KeyValue, len(arr))
for i, kv := range arr {
meta[i] = &KeyValue{
Key: kv.Key,
Value: kv.Value,
}
}
return meta
}

367
pkg/services/tree/service.pb.go generated
View file

@ -1471,9 +1471,10 @@ type GetSubTreeRequest_Body struct {
sizeCache protoimpl.SizeCache
unknownFields protoimpl.UnknownFields
ContainerId []byte `protobuf:"bytes,1,opt,name=container_id,json=containerId,proto3" json:"container_id,omitempty"`
TreeId string `protobuf:"bytes,2,opt,name=tree_id,json=treeId,proto3" json:"tree_id,omitempty"`
Nodes []uint64 `protobuf:"varint,3,rep,packed,name=nodes,proto3" json:"nodes,omitempty"`
ContainerId []byte `protobuf:"bytes,1,opt,name=container_id,json=containerId,proto3" json:"container_id,omitempty"`
TreeId string `protobuf:"bytes,2,opt,name=tree_id,json=treeId,proto3" json:"tree_id,omitempty"`
RootId uint64 `protobuf:"varint,3,opt,name=root_id,json=rootId,proto3" json:"root_id,omitempty"`
Depth uint32 `protobuf:"varint,4,opt,name=depth,proto3" json:"depth,omitempty"`
}
func (x *GetSubTreeRequest_Body) Reset() {
@ -1522,66 +1523,18 @@ func (x *GetSubTreeRequest_Body) GetTreeId() string {
return ""
}
func (x *GetSubTreeRequest_Body) GetNodes() []uint64 {
func (x *GetSubTreeRequest_Body) GetRootId() uint64 {
if x != nil {
return x.Nodes
}
return nil
}
type GetSubTreeResponse_Info struct {
state protoimpl.MessageState
sizeCache protoimpl.SizeCache
unknownFields protoimpl.UnknownFields
NodeId uint64 `protobuf:"varint,1,opt,name=node_id,json=nodeId,proto3" json:"node_id,omitempty"`
Meta []*KeyValue `protobuf:"bytes,2,rep,name=meta,proto3" json:"meta,omitempty"`
}
func (x *GetSubTreeResponse_Info) Reset() {
*x = GetSubTreeResponse_Info{}
if protoimpl.UnsafeEnabled {
mi := &file_pkg_services_tree_service_proto_msgTypes[26]
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
ms.StoreMessageInfo(mi)
}
}
func (x *GetSubTreeResponse_Info) String() string {
return protoimpl.X.MessageStringOf(x)
}
func (*GetSubTreeResponse_Info) ProtoMessage() {}
func (x *GetSubTreeResponse_Info) ProtoReflect() protoreflect.Message {
mi := &file_pkg_services_tree_service_proto_msgTypes[26]
if protoimpl.UnsafeEnabled && x != nil {
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
if ms.LoadMessageInfo() == nil {
ms.StoreMessageInfo(mi)
}
return ms
}
return mi.MessageOf(x)
}
// Deprecated: Use GetSubTreeResponse_Info.ProtoReflect.Descriptor instead.
func (*GetSubTreeResponse_Info) Descriptor() ([]byte, []int) {
return file_pkg_services_tree_service_proto_rawDescGZIP(), []int{11, 0}
}
func (x *GetSubTreeResponse_Info) GetNodeId() uint64 {
if x != nil {
return x.NodeId
return x.RootId
}
return 0
}
func (x *GetSubTreeResponse_Info) GetMeta() []*KeyValue {
func (x *GetSubTreeRequest_Body) GetDepth() uint32 {
if x != nil {
return x.Meta
return x.Depth
}
return nil
return 0
}
type GetSubTreeResponse_Body struct {
@ -1589,13 +1542,16 @@ type GetSubTreeResponse_Body struct {
sizeCache protoimpl.SizeCache
unknownFields protoimpl.UnknownFields
Info []*GetSubTreeResponse_Info `protobuf:"bytes,1,rep,name=info,proto3" json:"info,omitempty"`
NodeId uint64 `protobuf:"varint,1,opt,name=node_id,json=nodeId,proto3" json:"node_id,omitempty"`
ParentId uint64 `protobuf:"varint,2,opt,name=parent_id,json=parentId,proto3" json:"parent_id,omitempty"`
Timestamp uint64 `protobuf:"varint,3,opt,name=timestamp,proto3" json:"timestamp,omitempty"`
Meta []*KeyValue `protobuf:"bytes,4,rep,name=meta,proto3" json:"meta,omitempty"`
}
func (x *GetSubTreeResponse_Body) Reset() {
*x = GetSubTreeResponse_Body{}
if protoimpl.UnsafeEnabled {
mi := &file_pkg_services_tree_service_proto_msgTypes[27]
mi := &file_pkg_services_tree_service_proto_msgTypes[26]
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
ms.StoreMessageInfo(mi)
}
@ -1608,7 +1564,7 @@ func (x *GetSubTreeResponse_Body) String() string {
func (*GetSubTreeResponse_Body) ProtoMessage() {}
func (x *GetSubTreeResponse_Body) ProtoReflect() protoreflect.Message {
mi := &file_pkg_services_tree_service_proto_msgTypes[27]
mi := &file_pkg_services_tree_service_proto_msgTypes[26]
if protoimpl.UnsafeEnabled && x != nil {
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
if ms.LoadMessageInfo() == nil {
@ -1621,12 +1577,33 @@ func (x *GetSubTreeResponse_Body) ProtoReflect() protoreflect.Message {
// Deprecated: Use GetSubTreeResponse_Body.ProtoReflect.Descriptor instead.
func (*GetSubTreeResponse_Body) Descriptor() ([]byte, []int) {
return file_pkg_services_tree_service_proto_rawDescGZIP(), []int{11, 1}
return file_pkg_services_tree_service_proto_rawDescGZIP(), []int{11, 0}
}
func (x *GetSubTreeResponse_Body) GetInfo() []*GetSubTreeResponse_Info {
func (x *GetSubTreeResponse_Body) GetNodeId() uint64 {
if x != nil {
return x.Info
return x.NodeId
}
return 0
}
func (x *GetSubTreeResponse_Body) GetParentId() uint64 {
if x != nil {
return x.ParentId
}
return 0
}
func (x *GetSubTreeResponse_Body) GetTimestamp() uint64 {
if x != nil {
return x.Timestamp
}
return 0
}
func (x *GetSubTreeResponse_Body) GetMeta() []*KeyValue {
if x != nil {
return x.Meta
}
return nil
}
@ -1644,7 +1621,7 @@ type ApplyRequest_Body struct {
func (x *ApplyRequest_Body) Reset() {
*x = ApplyRequest_Body{}
if protoimpl.UnsafeEnabled {
mi := &file_pkg_services_tree_service_proto_msgTypes[28]
mi := &file_pkg_services_tree_service_proto_msgTypes[27]
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
ms.StoreMessageInfo(mi)
}
@ -1657,7 +1634,7 @@ func (x *ApplyRequest_Body) String() string {
func (*ApplyRequest_Body) ProtoMessage() {}
func (x *ApplyRequest_Body) ProtoReflect() protoreflect.Message {
mi := &file_pkg_services_tree_service_proto_msgTypes[28]
mi := &file_pkg_services_tree_service_proto_msgTypes[27]
if protoimpl.UnsafeEnabled && x != nil {
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
if ms.LoadMessageInfo() == nil {
@ -1703,7 +1680,7 @@ type ApplyResponse_Body struct {
func (x *ApplyResponse_Body) Reset() {
*x = ApplyResponse_Body{}
if protoimpl.UnsafeEnabled {
mi := &file_pkg_services_tree_service_proto_msgTypes[29]
mi := &file_pkg_services_tree_service_proto_msgTypes[28]
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
ms.StoreMessageInfo(mi)
}
@ -1716,7 +1693,7 @@ func (x *ApplyResponse_Body) String() string {
func (*ApplyResponse_Body) ProtoMessage() {}
func (x *ApplyResponse_Body) ProtoReflect() protoreflect.Message {
mi := &file_pkg_services_tree_service_proto_msgTypes[29]
mi := &file_pkg_services_tree_service_proto_msgTypes[28]
if protoimpl.UnsafeEnabled && x != nil {
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
if ms.LoadMessageInfo() == nil {
@ -1876,86 +1853,88 @@ var file_pkg_services_tree_service_proto_rawDesc = []byte{
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0x70, 0x6f, 0x6e, 0x73, 0x65, 0x30, 0x01, 0x12, 0x30, 0x0a, 0x05, 0x41, 0x70, 0x70, 0x6c, 0x79,
0x12, 0x12, 0x2e, 0x74, 0x72, 0x65, 0x65, 0x2e, 0x41, 0x70, 0x70, 0x6c, 0x79, 0x52, 0x65, 0x71,
0x75, 0x65, 0x73, 0x74, 0x1a, 0x13, 0x2e, 0x74, 0x72, 0x65, 0x65, 0x2e, 0x41, 0x70, 0x70, 0x6c,
0x79, 0x52, 0x65, 0x73, 0x70, 0x6f, 0x6e, 0x73, 0x65, 0x42, 0x33, 0x5a, 0x31, 0x67, 0x69, 0x74,
0x68, 0x75, 0x62, 0x2e, 0x63, 0x6f, 0x6d, 0x2f, 0x6e, 0x73, 0x70, 0x63, 0x63, 0x2d, 0x64, 0x65,
0x76, 0x2f, 0x6e, 0x65, 0x6f, 0x66, 0x73, 0x2d, 0x6e, 0x6f, 0x64, 0x65, 0x2f, 0x70, 0x6b, 0x67,
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0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
}
var (
@ -1970,7 +1949,7 @@ func file_pkg_services_tree_service_proto_rawDescGZIP() []byte {
return file_pkg_services_tree_service_proto_rawDescData
}
var file_pkg_services_tree_service_proto_msgTypes = make([]protoimpl.MessageInfo, 30)
var file_pkg_services_tree_service_proto_msgTypes = make([]protoimpl.MessageInfo, 29)
var file_pkg_services_tree_service_proto_goTypes = []interface{}{
(*AddRequest)(nil), // 0: tree.AddRequest
(*AddResponse)(nil), // 1: tree.AddResponse
@ -1998,70 +1977,68 @@ var file_pkg_services_tree_service_proto_goTypes = []interface{}{
(*GetNodeByPathResponse_Info)(nil), // 23: tree.GetNodeByPathResponse.Info
(*GetNodeByPathResponse_Body)(nil), // 24: tree.GetNodeByPathResponse.Body
(*GetSubTreeRequest_Body)(nil), // 25: tree.GetSubTreeRequest.Body
(*GetSubTreeResponse_Info)(nil), // 26: tree.GetSubTreeResponse.Info
(*GetSubTreeResponse_Body)(nil), // 27: tree.GetSubTreeResponse.Body
(*ApplyRequest_Body)(nil), // 28: tree.ApplyRequest.Body
(*ApplyResponse_Body)(nil), // 29: tree.ApplyResponse.Body
(*Signature)(nil), // 30: tree.Signature
(*KeyValue)(nil), // 31: tree.KeyValue
(*LogMove)(nil), // 32: tree.LogMove
(*GetSubTreeResponse_Body)(nil), // 26: tree.GetSubTreeResponse.Body
(*ApplyRequest_Body)(nil), // 27: tree.ApplyRequest.Body
(*ApplyResponse_Body)(nil), // 28: tree.ApplyResponse.Body
(*Signature)(nil), // 29: tree.Signature
(*KeyValue)(nil), // 30: tree.KeyValue
(*LogMove)(nil), // 31: tree.LogMove
}
var file_pkg_services_tree_service_proto_depIdxs = []int32{
14, // 0: tree.AddRequest.body:type_name -> tree.AddRequest.Body
30, // 1: tree.AddRequest.signature:type_name -> tree.Signature
29, // 1: tree.AddRequest.signature:type_name -> tree.Signature
15, // 2: tree.AddResponse.body:type_name -> tree.AddResponse.Body
30, // 3: tree.AddResponse.signature:type_name -> tree.Signature
29, // 3: tree.AddResponse.signature:type_name -> tree.Signature
16, // 4: tree.AddByPathRequest.body:type_name -> tree.AddByPathRequest.Body
30, // 5: tree.AddByPathRequest.signature:type_name -> tree.Signature
29, // 5: tree.AddByPathRequest.signature:type_name -> tree.Signature
17, // 6: tree.AddByPathResponse.body:type_name -> tree.AddByPathResponse.Body
30, // 7: tree.AddByPathResponse.signature:type_name -> tree.Signature
29, // 7: tree.AddByPathResponse.signature:type_name -> tree.Signature
18, // 8: tree.RemoveRequest.body:type_name -> tree.RemoveRequest.Body
30, // 9: tree.RemoveRequest.signature:type_name -> tree.Signature
29, // 9: tree.RemoveRequest.signature:type_name -> tree.Signature
19, // 10: tree.RemoveResponse.body:type_name -> tree.RemoveResponse.Body
30, // 11: tree.RemoveResponse.signature:type_name -> tree.Signature
29, // 11: tree.RemoveResponse.signature:type_name -> tree.Signature
20, // 12: tree.MoveRequest.body:type_name -> tree.MoveRequest.Body
30, // 13: tree.MoveRequest.signature:type_name -> tree.Signature
29, // 13: tree.MoveRequest.signature:type_name -> tree.Signature
21, // 14: tree.MoveResponse.body:type_name -> tree.MoveResponse.Body
30, // 15: tree.MoveResponse.signature:type_name -> tree.Signature
29, // 15: tree.MoveResponse.signature:type_name -> tree.Signature
22, // 16: tree.GetNodeByPathRequest.body:type_name -> tree.GetNodeByPathRequest.Body
30, // 17: tree.GetNodeByPathRequest.signature:type_name -> tree.Signature
29, // 17: tree.GetNodeByPathRequest.signature:type_name -> tree.Signature
24, // 18: tree.GetNodeByPathResponse.body:type_name -> tree.GetNodeByPathResponse.Body
30, // 19: tree.GetNodeByPathResponse.signature:type_name -> tree.Signature
29, // 19: tree.GetNodeByPathResponse.signature:type_name -> tree.Signature
25, // 20: tree.GetSubTreeRequest.body:type_name -> tree.GetSubTreeRequest.Body
30, // 21: tree.GetSubTreeRequest.signature:type_name -> tree.Signature
27, // 22: tree.GetSubTreeResponse.body:type_name -> tree.GetSubTreeResponse.Body
30, // 23: tree.GetSubTreeResponse.signature:type_name -> tree.Signature
28, // 24: tree.ApplyRequest.body:type_name -> tree.ApplyRequest.Body
30, // 25: tree.ApplyRequest.signature:type_name -> tree.Signature
29, // 26: tree.ApplyResponse.body:type_name -> tree.ApplyResponse.Body
30, // 27: tree.ApplyResponse.signature:type_name -> tree.Signature
31, // 28: tree.AddRequest.Body.meta:type_name -> tree.KeyValue
31, // 29: tree.AddByPathRequest.Body.meta:type_name -> tree.KeyValue
31, // 30: tree.MoveRequest.Body.meta:type_name -> tree.KeyValue
31, // 31: tree.GetNodeByPathResponse.Info.meta:type_name -> tree.KeyValue
29, // 21: tree.GetSubTreeRequest.signature:type_name -> tree.Signature
26, // 22: tree.GetSubTreeResponse.body:type_name -> tree.GetSubTreeResponse.Body
29, // 23: tree.GetSubTreeResponse.signature:type_name -> tree.Signature
27, // 24: tree.ApplyRequest.body:type_name -> tree.ApplyRequest.Body
29, // 25: tree.ApplyRequest.signature:type_name -> tree.Signature
28, // 26: tree.ApplyResponse.body:type_name -> tree.ApplyResponse.Body
29, // 27: tree.ApplyResponse.signature:type_name -> tree.Signature
30, // 28: tree.AddRequest.Body.meta:type_name -> tree.KeyValue
30, // 29: tree.AddByPathRequest.Body.meta:type_name -> tree.KeyValue
30, // 30: tree.MoveRequest.Body.meta:type_name -> tree.KeyValue
30, // 31: tree.GetNodeByPathResponse.Info.meta:type_name -> tree.KeyValue
23, // 32: tree.GetNodeByPathResponse.Body.nodes:type_name -> tree.GetNodeByPathResponse.Info
31, // 33: tree.GetSubTreeResponse.Info.meta:type_name -> tree.KeyValue
26, // 34: tree.GetSubTreeResponse.Body.info:type_name -> tree.GetSubTreeResponse.Info
32, // 35: tree.ApplyRequest.Body.operation:type_name -> tree.LogMove
0, // 36: tree.TreeService.Add:input_type -> tree.AddRequest
2, // 37: tree.TreeService.AddByPath:input_type -> tree.AddByPathRequest
4, // 38: tree.TreeService.Remove:input_type -> tree.RemoveRequest
6, // 39: tree.TreeService.Move:input_type -> tree.MoveRequest
8, // 40: tree.TreeService.GetNodeByPath:input_type -> tree.GetNodeByPathRequest
10, // 41: tree.TreeService.GetSubTree:input_type -> tree.GetSubTreeRequest
12, // 42: tree.TreeService.Apply:input_type -> tree.ApplyRequest
1, // 43: tree.TreeService.Add:output_type -> tree.AddResponse
3, // 44: tree.TreeService.AddByPath:output_type -> tree.AddByPathResponse
5, // 45: tree.TreeService.Remove:output_type -> tree.RemoveResponse
7, // 46: tree.TreeService.Move:output_type -> tree.MoveResponse
9, // 47: tree.TreeService.GetNodeByPath:output_type -> tree.GetNodeByPathResponse
11, // 48: tree.TreeService.GetSubTree:output_type -> tree.GetSubTreeResponse
13, // 49: tree.TreeService.Apply:output_type -> tree.ApplyResponse
43, // [43:50] is the sub-list for method output_type
36, // [36:43] is the sub-list for method input_type
36, // [36:36] is the sub-list for extension type_name
36, // [36:36] is the sub-list for extension extendee
0, // [0:36] is the sub-list for field type_name
30, // 33: tree.GetSubTreeResponse.Body.meta:type_name -> tree.KeyValue
31, // 34: tree.ApplyRequest.Body.operation:type_name -> tree.LogMove
0, // 35: tree.TreeService.Add:input_type -> tree.AddRequest
2, // 36: tree.TreeService.AddByPath:input_type -> tree.AddByPathRequest
4, // 37: tree.TreeService.Remove:input_type -> tree.RemoveRequest
6, // 38: tree.TreeService.Move:input_type -> tree.MoveRequest
8, // 39: tree.TreeService.GetNodeByPath:input_type -> tree.GetNodeByPathRequest
10, // 40: tree.TreeService.GetSubTree:input_type -> tree.GetSubTreeRequest
12, // 41: tree.TreeService.Apply:input_type -> tree.ApplyRequest
1, // 42: tree.TreeService.Add:output_type -> tree.AddResponse
3, // 43: tree.TreeService.AddByPath:output_type -> tree.AddByPathResponse
5, // 44: tree.TreeService.Remove:output_type -> tree.RemoveResponse
7, // 45: tree.TreeService.Move:output_type -> tree.MoveResponse
9, // 46: tree.TreeService.GetNodeByPath:output_type -> tree.GetNodeByPathResponse
11, // 47: tree.TreeService.GetSubTree:output_type -> tree.GetSubTreeResponse
13, // 48: tree.TreeService.Apply:output_type -> tree.ApplyResponse
42, // [42:49] is the sub-list for method output_type
35, // [35:42] is the sub-list for method input_type
35, // [35:35] is the sub-list for extension type_name
35, // [35:35] is the sub-list for extension extendee
0, // [0:35] is the sub-list for field type_name
}
func init() { file_pkg_services_tree_service_proto_init() }
@ -2384,18 +2361,6 @@ func file_pkg_services_tree_service_proto_init() {
}
}
file_pkg_services_tree_service_proto_msgTypes[26].Exporter = func(v interface{}, i int) interface{} {
switch v := v.(*GetSubTreeResponse_Info); i {
case 0:
return &v.state
case 1:
return &v.sizeCache
case 2:
return &v.unknownFields
default:
return nil
}
}
file_pkg_services_tree_service_proto_msgTypes[27].Exporter = func(v interface{}, i int) interface{} {
switch v := v.(*GetSubTreeResponse_Body); i {
case 0:
return &v.state
@ -2407,7 +2372,7 @@ func file_pkg_services_tree_service_proto_init() {
return nil
}
}
file_pkg_services_tree_service_proto_msgTypes[28].Exporter = func(v interface{}, i int) interface{} {
file_pkg_services_tree_service_proto_msgTypes[27].Exporter = func(v interface{}, i int) interface{} {
switch v := v.(*ApplyRequest_Body); i {
case 0:
return &v.state
@ -2419,7 +2384,7 @@ func file_pkg_services_tree_service_proto_init() {
return nil
}
}
file_pkg_services_tree_service_proto_msgTypes[29].Exporter = func(v interface{}, i int) interface{} {
file_pkg_services_tree_service_proto_msgTypes[28].Exporter = func(v interface{}, i int) interface{} {
switch v := v.(*ApplyResponse_Body); i {
case 0:
return &v.state
@ -2438,7 +2403,7 @@ func file_pkg_services_tree_service_proto_init() {
GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
RawDescriptor: file_pkg_services_tree_service_proto_rawDesc,
NumEnums: 0,
NumMessages: 30,
NumMessages: 29,
NumExtensions: 0,
NumServices: 1,
},

16
pkg/services/tree/service.proto
View file

@ -21,7 +21,7 @@ service TreeService {
// GetNodeByPath returns list of IDs corresponding to a specific filepath.
rpc GetNodeByPath (GetNodeByPathRequest) returns (GetNodeByPathResponse);
// GetSubTree returns tree corresponding to a specific node.
rpc GetSubTree (GetSubTreeRequest) returns (GetSubTreeResponse);
rpc GetSubTree (GetSubTreeRequest) returns (stream GetSubTreeResponse);
/* Synchronization API */
@ -153,7 +153,10 @@ message GetSubTreeRequest {
message Body {
bytes container_id = 1;
string tree_id = 2;
repeated uint64 nodes = 3;
uint64 root_id = 3;
// Optional depth of the traversal. Zero means return only root.
// Maximum depth is 10.
uint32 depth = 4;
}
Body body = 1;
@ -161,12 +164,11 @@ message GetSubTreeRequest {
}
message GetSubTreeResponse {
message Info {
uint64 node_id = 1;
repeated KeyValue meta = 2;
}
message Body {
repeated Info info = 1;
uint64 node_id = 1;
uint64 parent_id = 2;
uint64 timestamp = 3;
repeated KeyValue meta = 4;
}
Body body = 1;

84
pkg/services/tree/service_grpc.pb.go generated
View file

@ -33,7 +33,7 @@ type TreeServiceClient interface {
// GetNodeByPath returns list of IDs corresponding to a specific filepath.
GetNodeByPath(ctx context.Context, in *GetNodeByPathRequest, opts ...grpc.CallOption) (*GetNodeByPathResponse, error)
// GetSubTree returns tree corresponding to a specific node.
GetSubTree(ctx context.Context, in *GetSubTreeRequest, opts ...grpc.CallOption) (*GetSubTreeResponse, error)
GetSubTree(ctx context.Context, in *GetSubTreeRequest, opts ...grpc.CallOption) (TreeService_GetSubTreeClient, error)
// Apply pushes log operation from another node to the current.
// The request must be signed by a container node.
Apply(ctx context.Context, in *ApplyRequest, opts ...grpc.CallOption) (*ApplyResponse, error)
@ -92,13 +92,36 @@ func (c *treeServiceClient) GetNodeByPath(ctx context.Context, in *GetNodeByPath
return out, nil
}
func (c *treeServiceClient) GetSubTree(ctx context.Context, in *GetSubTreeRequest, opts ...grpc.CallOption) (*GetSubTreeResponse, error) {
out := new(GetSubTreeResponse)
err := c.cc.Invoke(ctx, "/tree.TreeService/GetSubTree", in, out, opts...)
func (c *treeServiceClient) GetSubTree(ctx context.Context, in *GetSubTreeRequest, opts ...grpc.CallOption) (TreeService_GetSubTreeClient, error) {
stream, err := c.cc.NewStream(ctx, &TreeService_ServiceDesc.Streams[0], "/tree.TreeService/GetSubTree", opts...)
if err != nil {
return nil, err
}
return out, nil
x := &treeServiceGetSubTreeClient{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 TreeService_GetSubTreeClient interface {
Recv() (*GetSubTreeResponse, error)
grpc.ClientStream
}
type treeServiceGetSubTreeClient struct {
grpc.ClientStream
}
func (x *treeServiceGetSubTreeClient) Recv() (*GetSubTreeResponse, error) {
m := new(GetSubTreeResponse)
if err := x.ClientStream.RecvMsg(m); err != nil {
return nil, err
}
return m, nil
}
func (c *treeServiceClient) Apply(ctx context.Context, in *ApplyRequest, opts ...grpc.CallOption) (*ApplyResponse, error) {
@ -125,7 +148,7 @@ type TreeServiceServer interface {
// GetNodeByPath returns list of IDs corresponding to a specific filepath.
GetNodeByPath(context.Context, *GetNodeByPathRequest) (*GetNodeByPathResponse, error)
// GetSubTree returns tree corresponding to a specific node.
GetSubTree(context.Context, *GetSubTreeRequest) (*GetSubTreeResponse, error)
GetSubTree(*GetSubTreeRequest, TreeService_GetSubTreeServer) error
// Apply pushes log operation from another node to the current.
// The request must be signed by a container node.
Apply(context.Context, *ApplyRequest) (*ApplyResponse, error)
@ -150,8 +173,8 @@ func (UnimplementedTreeServiceServer) Move(context.Context, *MoveRequest) (*Move
func (UnimplementedTreeServiceServer) GetNodeByPath(context.Context, *GetNodeByPathRequest) (*GetNodeByPathResponse, error) {
return nil, status.Errorf(codes.Unimplemented, "method GetNodeByPath not implemented")
}
func (UnimplementedTreeServiceServer) GetSubTree(context.Context, *GetSubTreeRequest) (*GetSubTreeResponse, error) {
return nil, status.Errorf(codes.Unimplemented, "method GetSubTree not implemented")
func (UnimplementedTreeServiceServer) GetSubTree(*GetSubTreeRequest, TreeService_GetSubTreeServer) error {
return status.Errorf(codes.Unimplemented, "method GetSubTree not implemented")
}
func (UnimplementedTreeServiceServer) Apply(context.Context, *ApplyRequest) (*ApplyResponse, error) {
return nil, status.Errorf(codes.Unimplemented, "method Apply not implemented")
@ -258,22 +281,25 @@ func _TreeService_GetNodeByPath_Handler(srv interface{}, ctx context.Context, de
return interceptor(ctx, in, info, handler)
}
func _TreeService_GetSubTree_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
in := new(GetSubTreeRequest)
if err := dec(in); err != nil {
return nil, err
func _TreeService_GetSubTree_Handler(srv interface{}, stream grpc.ServerStream) error {
m := new(GetSubTreeRequest)
if err := stream.RecvMsg(m); err != nil {
return err
}
if interceptor == nil {
return srv.(TreeServiceServer).GetSubTree(ctx, in)
}
info := &grpc.UnaryServerInfo{
Server: srv,
FullMethod: "/tree.TreeService/GetSubTree",
}
handler := func(ctx context.Context, req interface{}) (interface{}, error) {
return srv.(TreeServiceServer).GetSubTree(ctx, req.(*GetSubTreeRequest))
}
return interceptor(ctx, in, info, handler)
return srv.(TreeServiceServer).GetSubTree(m, &treeServiceGetSubTreeServer{stream})
}
type TreeService_GetSubTreeServer interface {
Send(*GetSubTreeResponse) error
grpc.ServerStream
}
type treeServiceGetSubTreeServer struct {
grpc.ServerStream
}
func (x *treeServiceGetSubTreeServer) Send(m *GetSubTreeResponse) error {
return x.ServerStream.SendMsg(m)
}
func _TreeService_Apply_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
@ -321,15 +347,17 @@ var TreeService_ServiceDesc = grpc.ServiceDesc{
MethodName: "GetNodeByPath",
Handler: _TreeService_GetNodeByPath_Handler,
},
{
MethodName: "GetSubTree",
Handler: _TreeService_GetSubTree_Handler,
},
{
MethodName: "Apply",
Handler: _TreeService_Apply_Handler,
},
},
Streams: []grpc.StreamDesc{},
Streams: []grpc.StreamDesc{
{
StreamName: "GetSubTree",
Handler: _TreeService_GetSubTree_Handler,
ServerStreams: true,
},
},
Metadata: "pkg/services/tree/service.proto",
}