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https://gitee.com/milvus-io/milvus.git
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a773836b89
issue: #35549,#35611,#35633 - remove milvus_segcore milvus_indexbuilder..., add libmilvus_core - core building only link once - move opendal compilation into cmake - fix odr --------- Signed-off-by: chyezh <chyezh@outlook.com>
95 lines
2.3 KiB
Go
95 lines
2.3 KiB
Go
package indexcgowrapper
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/*
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#cgo pkg-config: milvus_core
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#include <stdlib.h> // free
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#include "common/binary_set_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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"fmt"
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"unsafe"
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"github.com/milvus-io/milvus/pkg/log"
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"github.com/milvus-io/milvus/pkg/util/merr"
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)
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func GetBinarySetKeys(cBinarySet C.CBinarySet) ([]string, error) {
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size := int(C.GetBinarySetSize(cBinarySet))
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if size == 0 {
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return nil, fmt.Errorf("BinarySet size is zero")
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}
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datas := make([]unsafe.Pointer, size)
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C.GetBinarySetKeys(cBinarySet, unsafe.Pointer(&datas[0]))
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ret := make([]string, size)
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for i := 0; i < size; i++ {
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ret[i] = C.GoString((*C.char)(datas[i]))
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}
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return ret, nil
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}
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func GetBinarySetValue(cBinarySet C.CBinarySet, key string) ([]byte, error) {
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cIndexKey := C.CString(key)
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defer C.free(unsafe.Pointer(cIndexKey))
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ret := C.GetBinarySetValueSize(cBinarySet, cIndexKey)
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size := int(ret)
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if size == 0 {
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return nil, fmt.Errorf("GetBinarySetValueSize size is zero")
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}
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value := make([]byte, size)
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status := C.CopyBinarySetValue(unsafe.Pointer(&value[0]), cIndexKey, cBinarySet)
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if err := HandleCStatus(&status, "CopyBinarySetValue failed"); err != nil {
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return nil, err
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}
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return value, nil
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}
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func GetBinarySetSize(cBinarySet C.CBinarySet, key string) (int64, error) {
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cIndexKey := C.CString(key)
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defer C.free(unsafe.Pointer(cIndexKey))
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ret := C.GetBinarySetValueSize(cBinarySet, cIndexKey)
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return int64(ret), nil
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}
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// HandleCStatus deal 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 := int(status.error_code)
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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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logMsg := fmt.Sprintf("%s, C Runtime Exception: %s\n", extraInfo, errorMsg)
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log.Warn(logMsg)
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if errorCode == 2003 {
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return merr.WrapErrSegcoreUnsupported(int32(errorCode), logMsg)
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}
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if errorCode == 2033 {
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return merr.ErrSegcorePretendFinished
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}
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return merr.WrapErrSegcore(int32(errorCode), logMsg)
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}
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func GetLocalUsedSize(path string) (int64, error) {
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var availableSize int64
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cSize := (*C.int64_t)(&availableSize)
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cPath := C.CString(path)
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defer C.free(unsafe.Pointer(cPath))
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status := C.GetLocalUsedSize(cPath, 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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