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chunkmgr_mock.go
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chunkmgr_mock.go
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package indexnode
import (
"context"
"fmt"
"math/rand"
"sync"
"time"
"golang.org/x/exp/mmap"
"github.com/milvus-io/milvus-proto/go-api/v2/schemapb"
"github.com/milvus-io/milvus/internal/proto/etcdpb"
"github.com/milvus-io/milvus/internal/proto/indexpb"
"github.com/milvus-io/milvus/internal/storage"
"github.com/milvus-io/milvus/pkg/common"
"github.com/milvus-io/milvus/pkg/mq/msgstream"
"github.com/milvus-io/milvus/pkg/util/paramtable"
)
func init() {
rand.Seed(time.Now().UnixNano())
}
const (
vecFieldID = 101
)
var (
errNotImplErr = fmt.Errorf("not implemented error")
collschema = &schemapb.CollectionSchema{
Name: "mock_collection",
Description: "mock",
AutoID: false,
Fields: []*schemapb.FieldSchema{
{
FieldID: 0,
Name: "int64",
IsPrimaryKey: true,
Description: "",
DataType: schemapb.DataType_Int64,
AutoID: false,
},
{
FieldID: vecFieldID,
Name: "vector",
IsPrimaryKey: false,
Description: "",
DataType: schemapb.DataType_FloatVector,
AutoID: false,
},
},
}
collMeta = &etcdpb.CollectionMeta{
Schema: &schemapb.CollectionSchema{
Name: "mock_index",
Description: "mock",
AutoID: false,
Fields: []*schemapb.FieldSchema{
{
FieldID: vecFieldID,
Name: "vector",
IsPrimaryKey: false,
Description: "",
DataType: schemapb.DataType_FloatVector,
AutoID: false,
},
},
},
}
)
var mockChunkMgrIns = &mockChunkmgr{}
type mockStorageFactory struct{}
func (m *mockStorageFactory) NewChunkManager(context.Context, *indexpb.StorageConfig) (storage.ChunkManager, error) {
return mockChunkMgrIns, nil
}
type mockChunkmgr struct {
segmentData sync.Map
indexedData sync.Map
}
var _ storage.ChunkManager = &mockChunkmgr{}
// var _ dependency.Factory = &mockFactory{}
func (c *mockChunkmgr) RootPath() string {
return ""
}
func (c *mockChunkmgr) Path(ctx context.Context, filePath string) (string, error) {
// TODO
return filePath, errNotImplErr
}
func (c *mockChunkmgr) Size(ctx context.Context, filePath string) (int64, error) {
// TODO
return 0, errNotImplErr
}
func (c *mockChunkmgr) Write(ctx context.Context, filePath string, content []byte) error {
c.indexedData.Store(filePath, content)
return nil
}
func (c *mockChunkmgr) MultiWrite(ctx context.Context, contents map[string][]byte) error {
// TODO
return errNotImplErr
}
func (c *mockChunkmgr) Exist(ctx context.Context, filePath string) (bool, error) {
// TODO
return false, errNotImplErr
}
func (c *mockChunkmgr) Read(ctx context.Context, filePath string) ([]byte, error) {
value, ok := c.segmentData.Load(filePath)
if !ok {
return nil, fmt.Errorf("data not exists")
}
return value.(*storage.Blob).Value, nil
}
func (c *mockChunkmgr) Reader(ctx context.Context, filePath string) (storage.FileReader, error) {
// TODO
return nil, errNotImplErr
}
func (c *mockChunkmgr) MultiRead(ctx context.Context, filePaths []string) ([][]byte, error) {
// TODO
return nil, errNotImplErr
}
func (c *mockChunkmgr) WalkWithPrefix(ctx context.Context, prefix string, recursive bool, walkFunc storage.ChunkObjectWalkFunc) error {
return errNotImplErr
}
func (c *mockChunkmgr) Mmap(ctx context.Context, filePath string) (*mmap.ReaderAt, error) {
// TODO
return nil, errNotImplErr
}
func (c *mockChunkmgr) ReadAt(ctx context.Context, filePath string, off int64, length int64) ([]byte, error) {
// TODO
return nil, errNotImplErr
}
func (c *mockChunkmgr) Remove(ctx context.Context, filePath string) error {
// TODO
return errNotImplErr
}
func (c *mockChunkmgr) MultiRemove(ctx context.Context, filePaths []string) error {
// TODO
return errNotImplErr
}
func (c *mockChunkmgr) RemoveWithPrefix(ctx context.Context, prefix string) error {
// TODO
return errNotImplErr
}
func (c *mockChunkmgr) mockFieldData(numrows, dim int, collectionID, partitionID, segmentID int64) {
idList := make([]int64, 0, numrows)
tsList := make([]int64, 0, numrows)
ts0 := time.Now().Unix()
for i := 0; i < numrows; i++ {
idList = append(idList, int64(i)+1)
tsList = append(tsList, ts0+int64(i))
}
vecs := randomFloats(numrows, dim)
idField := storage.Int64FieldData{
Data: idList,
}
tsField := storage.Int64FieldData{
Data: tsList,
}
vecField := storage.FloatVectorFieldData{
Data: vecs,
Dim: dim,
}
insertData := &storage.InsertData{
Data: map[int64]storage.FieldData{
common.TimeStampField: &tsField,
common.RowIDField: &idField,
vecFieldID: &vecField,
},
}
insertCodec := &storage.InsertCodec{
Schema: collMeta,
}
blobs, err := insertCodec.Serialize(partitionID, segmentID, insertData)
if err != nil {
panic(err)
}
if len(blobs) != 1 {
panic("invalid blobs")
}
c.segmentData.Store(dataPath(collectionID, partitionID, segmentID), blobs[0])
}
func NewMockChunkManager() *mockChunkmgr {
return &mockChunkmgr{}
}
type mockFactory struct {
chunkMgr *mockChunkmgr
}
func (f *mockFactory) NewCacheStorageChunkManager(context.Context) (storage.ChunkManager, error) {
return nil, errNotImplErr
}
func (f *mockFactory) NewPersistentStorageChunkManager(context.Context) (storage.ChunkManager, error) {
if f.chunkMgr != nil {
return f.chunkMgr, nil
}
return nil, fmt.Errorf("factory not inited")
}
func (f *mockFactory) Init(*paramtable.ComponentParam) {
// do nothing
}
func (f *mockFactory) NewMsgStream(context.Context) (msgstream.MsgStream, error) {
// TOD
return nil, errNotImplErr
}
func (f *mockFactory) NewTtMsgStream(context.Context) (msgstream.MsgStream, error) {
// TODO
return nil, errNotImplErr
}
func (f *mockFactory) NewMsgStreamDisposer(ctx context.Context) func([]string, string) error {
// TODO
return nil
}
func randomFloats(rows, dim int) []float32 {
vecs := make([]float32, 0, rows)
for i := 0; i < rows; i++ {
vec := make([]float32, 0, dim)
for j := 0; j < dim; j++ {
vec = append(vec, rand.Float32())
}
vecs = append(vecs, vec...)
}
return vecs
}
func dataPath(collectionID, partitionID, segmentID int64) string {
return fmt.Sprintf("%d-%d-%d", collectionID, partitionID, segmentID)
}