mirror of
https://gitee.com/milvus-io/milvus.git
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97 lines
2.9 KiB
Go
97 lines
2.9 KiB
Go
// Licensed to the LF AI & Data foundation under one
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// or more contributor license agreements. See the NOTICE file
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// distributed with this work for additional information
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// regarding copyright ownership. The ASF licenses this file
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// to you under the Apache License, Version 2.0 (the
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// "License"); you may not use this file except in compliance
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// with the License. You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package querynode
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/*
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#cgo pkg-config: milvus_segcore milvus_storage
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#include "segcore/collection_c.h"
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#include "common/type_c.h"
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#include "segcore/segment_c.h"
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#include "storage/storage_c.h"
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*/
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import "C"
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import (
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"errors"
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"fmt"
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"unsafe"
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"github.com/golang/protobuf/proto"
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"github.com/milvus-io/milvus-proto/go-api/commonpb"
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"github.com/milvus-io/milvus/internal/log"
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"github.com/milvus-io/milvus/internal/util/cgoconverter"
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)
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// HandleCStatus deals with the error returned from CGO
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func HandleCStatus(status *C.CStatus, extraInfo string) error {
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if status.error_code == 0 {
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return nil
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}
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errorCode := status.error_code
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errorName, ok := commonpb.ErrorCode_name[int32(errorCode)]
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if !ok {
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errorName = "UnknownError"
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}
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errorMsg := C.GoString(status.error_msg)
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defer C.free(unsafe.Pointer(status.error_msg))
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finalMsg := fmt.Sprintf("[%s] %s", errorName, errorMsg)
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logMsg := fmt.Sprintf("%s, C Runtime Exception: %s\n", extraInfo, finalMsg)
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log.Warn(logMsg)
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return errors.New(finalMsg)
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}
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// HandleCProto deal with the result proto returned from CGO
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func HandleCProto(cRes *C.CProto, msg proto.Message) error {
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// Standalone CProto is protobuf created by C side,
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// Passed from c side
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// memory is managed manually
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lease, blob := cgoconverter.UnsafeGoBytes(&cRes.proto_blob, int(cRes.proto_size))
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defer cgoconverter.Release(lease)
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return proto.Unmarshal(blob, msg)
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}
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// CopyCProtoBlob returns the copy of C memory
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func CopyCProtoBlob(cProto *C.CProto) []byte {
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blob := C.GoBytes(unsafe.Pointer(cProto.proto_blob), C.int32_t(cProto.proto_size))
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C.free(unsafe.Pointer(cProto.proto_blob))
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return blob
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}
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// GetCProtoBlob returns the raw C memory, invoker should release it itself
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func GetCProtoBlob(cProto *C.CProto) []byte {
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lease, blob := cgoconverter.UnsafeGoBytes(&cProto.proto_blob, int(cProto.proto_size))
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cgoconverter.Extract(lease)
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return blob
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}
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func GetLocalUsedSize() (int64, error) {
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var availableSize int64
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cSize := C.int64_t(availableSize)
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status := C.GetLocalUsedSize(&cSize)
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err := HandleCStatus(&status, "get local used size failed")
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if err != nil {
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return 0, err
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}
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return availableSize, nil
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}
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