milvus/internal/querynode/load_index_info.go
Cai Yudong 1f28dba497
Use API HandleCStatus to handle CStatus returned by CGo in querynode (#11789)
Signed-off-by: yudong.cai <yudong.cai@zilliz.com>
2021-11-15 16:13:10 +08:00

89 lines
2.8 KiB
Go

// Copyright (C) 2019-2020 Zilliz. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance
// with the License. You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software distributed under the License
// is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
// or implied. See the License for the specific language governing permissions and limitations under the License.
package querynode
/*
#cgo CFLAGS: -I${SRCDIR}/../core/output/include
#cgo LDFLAGS: -L${SRCDIR}/../core/output/lib -lmilvus_segcore -Wl,-rpath=${SRCDIR}/../core/output/lib
#include "segcore/load_index_c.h"
*/
import "C"
import (
"path/filepath"
"unsafe"
"go.uber.org/zap"
"github.com/milvus-io/milvus/internal/log"
)
// LoadIndexInfo is a wrapper of the underlying C-structure C.CLoadIndexInfo
type LoadIndexInfo struct {
cLoadIndexInfo C.CLoadIndexInfo
}
func newLoadIndexInfo() (*LoadIndexInfo, error) {
var cLoadIndexInfo C.CLoadIndexInfo
status := C.NewLoadIndexInfo(&cLoadIndexInfo)
if err := HandleCStatus(&status, "NewLoadIndexInfo failed"); err != nil {
return nil, err
}
return &LoadIndexInfo{cLoadIndexInfo: cLoadIndexInfo}, nil
}
func deleteLoadIndexInfo(info *LoadIndexInfo) {
C.DeleteLoadIndexInfo(info.cLoadIndexInfo)
}
func (li *LoadIndexInfo) appendIndexParam(indexKey string, indexValue string) error {
cIndexKey := C.CString(indexKey)
defer C.free(unsafe.Pointer(cIndexKey))
cIndexValue := C.CString(indexValue)
defer C.free(unsafe.Pointer(cIndexValue))
status := C.AppendIndexParam(li.cLoadIndexInfo, cIndexKey, cIndexValue)
return HandleCStatus(&status, "AppendIndexParam failed")
}
func (li *LoadIndexInfo) appendFieldInfo(fieldID FieldID) error {
cFieldID := C.long(fieldID)
status := C.AppendFieldInfo(li.cLoadIndexInfo, cFieldID)
return HandleCStatus(&status, "AppendFieldInfo failed")
}
func (li *LoadIndexInfo) appendIndex(bytesIndex [][]byte, indexKeys []string) error {
var cBinarySet C.CBinarySet
status := C.NewBinarySet(&cBinarySet)
defer C.DeleteBinarySet(cBinarySet)
if err := HandleCStatus(&status, "NewBinarySet failed"); err != nil {
return err
}
for i, byteIndex := range bytesIndex {
indexPtr := unsafe.Pointer(&byteIndex[0])
indexLen := C.long(len(byteIndex))
binarySetKey := filepath.Base(indexKeys[i])
log.Debug("", zap.String("index key", binarySetKey))
indexKey := C.CString(binarySetKey)
status = C.AppendBinaryIndex(cBinarySet, indexPtr, indexLen, indexKey)
C.free(unsafe.Pointer(indexKey))
if err := HandleCStatus(&status, "AppendBinaryIndex failed"); err != nil {
return err
}
}
status = C.AppendIndex(li.cLoadIndexInfo, cBinarySet)
return HandleCStatus(&status, "AppendIndex failed")
}