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[#1406] pilorama: Return parent from TreeGetMeta

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Signed-off-by: Evgenii Stratonikov <evgeniy@nspcc.ru>
This commit is contained in:
Evgenii Stratonikov 2022-05-20 11:41:37 +03:00
parent 7af3424bad
commit 730f14e4eb
7 changed files with 41 additions and 33 deletions
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9
pkg/local_object_storage/engine/tree.go
View file

@ -81,11 +81,12 @@ func (e *StorageEngine) TreeGetByPath(cid cidSDK.ID, treeID string, attr string,
}
// TreeGetMeta implements the pilorama.Forest interface.
func (e *StorageEngine) TreeGetMeta(cid cidSDK.ID, treeID string, nodeID pilorama.Node) (pilorama.Meta, error) {
func (e *StorageEngine) TreeGetMeta(cid cidSDK.ID, treeID string, nodeID pilorama.Node) (pilorama.Meta, uint64, error) {
var err error
var m pilorama.Meta
var p uint64
for _, sh := range e.sortShardsByWeight(cid) {
m, err = sh.TreeGetMeta(cid, treeID, nodeID)
m, p, err = sh.TreeGetMeta(cid, treeID, nodeID)
if err != nil {
e.log.Debug("can't put node in a tree",
zap.Stringer("cid", cid),
@ -93,9 +94,9 @@ func (e *StorageEngine) TreeGetMeta(cid cidSDK.ID, treeID string, nodeID piloram
zap.String("err", err.Error()))
continue
}
return m, nil
return m, p, nil
}
return pilorama.Meta{}, err
return pilorama.Meta{}, 0, err
}
// TreeGetChildren implements the pilorama.Forest interface.

13
pkg/local_object_storage/pilorama/boltdb.go
View file

@ -399,10 +399,12 @@ func (t *boltForest) TreeGetByPath(cid cidSDK.ID, treeID string, attr string, pa
}
// TreeGetMeta implements the forest interface.
func (t *boltForest) TreeGetMeta(cid cidSDK.ID, treeID string, nodeID Node) (Meta, error) {
key := metaKey(make([]byte, 9), nodeID)
func (t *boltForest) TreeGetMeta(cid cidSDK.ID, treeID string, nodeID Node) (Meta, Node, error) {
key := parentKey(make([]byte, 9), nodeID)
var m Meta
var parentID uint64
err := t.db.View(func(tx *bbolt.Tx) error {
treeRoot := tx.Bucket(bucketName(cid, treeID))
if treeRoot == nil {
@ -410,10 +412,13 @@ func (t *boltForest) TreeGetMeta(cid cidSDK.ID, treeID string, nodeID Node) (Met
}
b := treeRoot.Bucket(dataBucket)
return m.FromBytes(b.Get(key))
if data := b.Get(key); len(data) == 8 {
parentID = binary.LittleEndian.Uint64(data)
}
return m.FromBytes(b.Get(metaKey(key, nodeID)))
})
return m, err
return m, parentID, err
}
// TreeGetChildren implements the Forest interface.

6
pkg/local_object_storage/pilorama/forest.go
View file

@ -103,14 +103,14 @@ func (f *memoryForest) TreeGetByPath(cid cidSDK.ID, treeID string, attr string,
}
// TreeGetMeta implements the Forest interface.
func (f *memoryForest) TreeGetMeta(cid cidSDK.ID, treeID string, nodeID Node) (Meta, error) {
func (f *memoryForest) TreeGetMeta(cid cidSDK.ID, treeID string, nodeID Node) (Meta, Node, error) {
fullID := cid.String() + "/" + treeID
s, ok := f.treeMap[fullID]
if !ok {
return Meta{}, ErrTreeNotFound
return Meta{}, 0, ErrTreeNotFound
}
return s.getMeta(nodeID), nil
return s.getMeta(nodeID), s.infoMap[nodeID].Parent, nil
}
// TreeGetChildren implements the Forest interface.

36
pkg/local_object_storage/pilorama/forest_test.go
View file

@ -41,10 +41,11 @@ var providers = []struct {
}},
}
func testMeta(t *testing.T, f Forest, cid cidSDK.ID, treeID string, nodeID Node, expected Meta) {
actual, err := f.TreeGetMeta(cid, treeID, nodeID)
func testMeta(t *testing.T, f Forest, cid cidSDK.ID, treeID string, nodeID, parentID Node, expected Meta) {
actualMeta, actualParent, err := f.TreeGetMeta(cid, treeID, nodeID)
require.NoError(t, err)
require.Equal(t, expected, actual)
require.Equal(t, parentID, actualParent)
require.Equal(t, expected, actualMeta)
}
func TestForest_TreeMove(t *testing.T) {
@ -175,7 +176,7 @@ func testForestTreeAdd(t *testing.T, s Forest) {
})
require.NoError(t, err)
testMeta(t, s, cid, treeID, lm.Child, Meta{Time: lm.Time, Items: meta})
testMeta(t, s, cid, treeID, lm.Child, lm.Parent, Meta{Time: lm.Time, Items: meta})
nodes, err := s.TreeGetByPath(cid, treeID, AttributeFilename, []string{"file.txt"}, false)
require.NoError(t, err)
@ -185,7 +186,7 @@ func testForestTreeAdd(t *testing.T, s Forest) {
_, err := s.TreeGetByPath(cid, treeID+"123", AttributeFilename, []string{"file.txt"}, false)
require.ErrorIs(t, err, ErrTreeNotFound)
_, err = s.TreeGetMeta(cid, treeID+"123", 0)
_, _, err = s.TreeGetMeta(cid, treeID+"123", 0)
require.ErrorIs(t, err, ErrTreeNotFound)
})
}
@ -208,11 +209,11 @@ func testForestTreeAddByPath(t *testing.T, s Forest) {
lm, err := s.TreeAddByPath(cid, treeID, AttributeFilename, []string{"path", "to"}, meta)
require.NoError(t, err)
require.Equal(t, 3, len(lm))
testMeta(t, s, cid, treeID, lm[0].Child, Meta{Time: lm[0].Time, Items: []KeyValue{{AttributeFilename, []byte("path")}}})
testMeta(t, s, cid, treeID, lm[1].Child, Meta{Time: lm[1].Time, Items: []KeyValue{{AttributeFilename, []byte("to")}}})
testMeta(t, s, cid, treeID, lm[0].Child, lm[0].Parent, Meta{Time: lm[0].Time, Items: []KeyValue{{AttributeFilename, []byte("path")}}})
testMeta(t, s, cid, treeID, lm[1].Child, lm[1].Parent, Meta{Time: lm[1].Time, Items: []KeyValue{{AttributeFilename, []byte("to")}}})
firstID := lm[2].Child
testMeta(t, s, cid, treeID, firstID, Meta{Time: lm[2].Time, Items: meta})
testMeta(t, s, cid, treeID, firstID, lm[2].Parent, Meta{Time: lm[2].Time, Items: meta})
meta[0].Value = []byte("YYY")
lm, err = s.TreeAddByPath(cid, treeID, AttributeFilename, []string{"path", "to"}, meta)
@ -220,7 +221,7 @@ func testForestTreeAddByPath(t *testing.T, s Forest) {
require.Equal(t, 1, len(lm))
secondID := lm[0].Child
testMeta(t, s, cid, treeID, secondID, Meta{Time: lm[0].Time, Items: meta})
testMeta(t, s, cid, treeID, secondID, lm[0].Parent, Meta{Time: lm[0].Time, Items: meta})
t.Run("get versions", func(t *testing.T) {
// All versions.
@ -239,8 +240,8 @@ func testForestTreeAddByPath(t *testing.T, s Forest) {
lm, err = s.TreeAddByPath(cid, treeID, AttributeFilename, []string{"path", "dir"}, meta)
require.NoError(t, err)
require.Equal(t, 2, len(lm))
testMeta(t, s, cid, treeID, lm[0].Child, Meta{Time: lm[0].Time, Items: []KeyValue{{AttributeFilename, []byte("dir")}}})
testMeta(t, s, cid, treeID, lm[1].Child, Meta{Time: lm[1].Time, Items: meta})
testMeta(t, s, cid, treeID, lm[0].Child, lm[0].Parent, Meta{Time: lm[0].Time, Items: []KeyValue{{AttributeFilename, []byte("dir")}}})
testMeta(t, s, cid, treeID, lm[1].Child, lm[1].Parent, Meta{Time: lm[1].Time, Items: meta})
}
func TestForest_Apply(t *testing.T) {
@ -269,19 +270,19 @@ func testForestTreeApply(t *testing.T, constructor func(t *testing.T) Forest) {
meta := Meta{Time: 3, Items: []KeyValue{{"child", []byte{3}}}}
testApply(t, s, 11, 10, meta)
testMeta(t, s, cid, treeID, 11, meta)
testMeta(t, s, cid, treeID, 11, 10, meta)
testApply(t, s, 10, TrashID, Meta{Time: 2, Items: []KeyValue{{"parent", []byte{2}}}})
testMeta(t, s, cid, treeID, 11, Meta{})
testMeta(t, s, cid, treeID, 11, 0, Meta{})
})
t.Run("add a child to non-existent parent, then add a parent", func(t *testing.T) {
s := constructor(t)
testApply(t, s, 11, 10, Meta{Time: 1, Items: []KeyValue{{"child", []byte{3}}}})
testMeta(t, s, cid, treeID, 11, Meta{})
testMeta(t, s, cid, treeID, 11, 0, Meta{})
testApply(t, s, 10, 0, Meta{Time: 2, Items: []KeyValue{{"grand", []byte{1}}}})
testMeta(t, s, cid, treeID, 11, Meta{})
testMeta(t, s, cid, treeID, 11, 0, Meta{})
})
}
@ -343,10 +344,11 @@ func testForestTreeApplyRandom(t *testing.T, constructor func(t *testing.T) Fore
require.NoError(t, actual.TreeApply(cid, treeID, &ops[i]))
}
for i := uint64(0); i < nodeCount; i++ {
expectedMeta, err := expected.TreeGetMeta(cid, treeID, i)
expectedMeta, expectedParent, err := expected.TreeGetMeta(cid, treeID, i)
require.NoError(t, err)
actualMeta, err := actual.TreeGetMeta(cid, treeID, i)
actualMeta, actualParent, err := actual.TreeGetMeta(cid, treeID, i)
require.NoError(t, err)
require.Equal(t, expectedParent, actualParent, "node id: %d", i)
require.Equal(t, expectedMeta, actualMeta, "node id: %d", i)
if _, ok := actual.(*memoryForest); ok {

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

@ -21,7 +21,7 @@ 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.
// Should return ErrTreeNotFound if the tree is not found, and empty result if the node is not in the tree.
TreeGetMeta(cid cidSDK.ID, treeID string, nodeID Node) (Meta, error)
TreeGetMeta(cid cidSDK.ID, treeID string, nodeID Node) (Meta, Node, error)
// TreeGetChildren returns children of the node with the specified ID. The order is arbitrary.
// Should return ErrTreeNotFound if the tree is not found, and empty result if the node is not in the tree.
TreeGetChildren(cid cidSDK.ID, treeID string, nodeID Node) ([]uint64, error)

2
pkg/local_object_storage/shard/tree.go
View file

@ -28,7 +28,7 @@ func (s *Shard) TreeGetByPath(cid cidSDK.ID, treeID string, attr string, path []
}
// TreeGetMeta implements the pilorama.Forest interface.
func (s *Shard) TreeGetMeta(cid cidSDK.ID, treeID string, nodeID pilorama.Node) (pilorama.Meta, error) {
func (s *Shard) TreeGetMeta(cid cidSDK.ID, treeID string, nodeID pilorama.Node) (pilorama.Meta, uint64, error) {
return s.pilorama.TreeGetMeta(cid, treeID, nodeID)
}

6
pkg/services/tree/service.go
View file

@ -211,7 +211,7 @@ func (s *Service) GetNodeByPath(_ context.Context, req *GetNodeByPathRequest) (*
info := make([]*GetNodeByPathResponse_Info, 0, len(nodes))
for _, node := range nodes {
m, err := s.forest.TreeGetMeta(cid, b.GetTreeId(), node)
m, _, err := s.forest.TreeGetMeta(cid, b.GetTreeId(), node)
if err != nil {
return nil, err
}
@ -269,14 +269,14 @@ func (s *Service) GetSubTree(req *GetSubTreeRequest, srv TreeService_GetSubTreeS
for len(queue) != 0 {
for _, nodeID := range queue[0].nodes {
m, err := s.forest.TreeGetMeta(cid, b.GetTreeId(), nodeID)
m, p, err := s.forest.TreeGetMeta(cid, b.GetTreeId(), nodeID)
if err != nil {
return err
}
err = srv.Send(&GetSubTreeResponse{
Body: &GetSubTreeResponse_Body{
NodeId: nodeID,
ParentId: b.GetRootId(),
ParentId: p,
Timestamp: m.Time,
Meta: metaToProto(m.Items),
},