milvus/internal/querynodev2/segments/cgo_util.go
yah01 081572d31c
Refactor QueryNode (#21625)
Signed-off-by: yah01 <yang.cen@zilliz.com>
Co-authored-by: Congqi Xia <congqi.xia@zilliz.com>
Co-authored-by: aoiasd <zhicheng.yue@zilliz.com>
2023-03-27 00:42:00 +08:00

98 lines
2.9 KiB
Go

// Licensed to the LF AI & Data foundation under one
// or more contributor license agreements. See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership. The ASF licenses this file
// to you 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 segments
/*
#cgo pkg-config: milvus_segcore milvus_storage
#include "segcore/collection_c.h"
#include "common/type_c.h"
#include "segcore/segment_c.h"
#include "storage/storage_c.h"
*/
import "C"
import (
"fmt"
"unsafe"
"github.com/cockroachdb/errors"
"github.com/golang/protobuf/proto"
"github.com/milvus-io/milvus-proto/go-api/commonpb"
"github.com/milvus-io/milvus/internal/log"
"github.com/milvus-io/milvus/internal/util/cgoconverter"
)
// HandleCStatus deals with the error returned from CGO
func HandleCStatus(status *C.CStatus, extraInfo string) error {
if status.error_code == 0 {
return nil
}
errorCode := status.error_code
errorName, ok := commonpb.ErrorCode_name[int32(errorCode)]
if !ok {
errorName = "UnknownError"
}
errorMsg := C.GoString(status.error_msg)
defer C.free(unsafe.Pointer(status.error_msg))
finalMsg := fmt.Sprintf("[%s] %s", errorName, errorMsg)
logMsg := fmt.Sprintf("%s, C Runtime Exception: %s\n", extraInfo, finalMsg)
log.Warn(logMsg)
return errors.New(finalMsg)
}
// HandleCProto deal with the result proto returned from CGO
func HandleCProto(cRes *C.CProto, msg proto.Message) error {
// Standalone CProto is protobuf created by C side,
// Passed from c side
// memory is managed manually
lease, blob := cgoconverter.UnsafeGoBytes(&cRes.proto_blob, int(cRes.proto_size))
defer cgoconverter.Release(lease)
return proto.Unmarshal(blob, msg)
}
// CopyCProtoBlob returns the copy of C memory
func CopyCProtoBlob(cProto *C.CProto) []byte {
blob := C.GoBytes(cProto.proto_blob, C.int32_t(cProto.proto_size))
C.free(cProto.proto_blob)
return blob
}
// GetCProtoBlob returns the raw C memory, invoker should release it itself
func GetCProtoBlob(cProto *C.CProto) []byte {
lease, blob := cgoconverter.UnsafeGoBytes(&cProto.proto_blob, int(cProto.proto_size))
cgoconverter.Extract(lease)
return blob
}
func GetLocalUsedSize() (int64, error) {
var availableSize int64
cSize := C.int64_t(availableSize)
status := C.GetLocalUsedSize(&cSize)
err := HandleCStatus(&status, "get local used size failed")
if err != nil {
return 0, err
}
return availableSize, nil
}