neza2017 b0189c2450 Update time sync
Signed-off-by: neza2017 <yefu.chen@zilliz.com>
2020-10-09 15:37:24 +08:00

22 lines
405 B
Go

package proxy_node
import (
"encoding/binary"
"github.com/spaolacci/murmur3"
"unsafe"
)
func Hash32_Bytes(b []byte) (uint32, error) {
h := murmur3.New32()
if _, err := h.Write(b); err != nil {
return 0, err
}
return h.Sum32() & 0x7fffffff, nil
}
func Hash32_Uint64(v uint64) (uint32, error) {
b := make([]byte, unsafe.Sizeof(v))
binary.LittleEndian.PutUint64(b, v)
return Hash32_Bytes(b)
}