milvus/internal/querynode/cgo_helper.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 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/collection_c.h"
#include "common/type_c.h"
#include "segcore/segment_c.h"
*/
import "C"

import (
	"errors"
	"fmt"
	"unsafe"

	"github.com/milvus-io/milvus/internal/log"
	"github.com/milvus-io/milvus/internal/proto/commonpb"
)

// HandleCStatus deal 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)
}