mirror of
https://github.com/ceph/ceph-csi.git
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48 lines
1.1 KiB
Go
48 lines
1.1 KiB
Go
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/*
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Copyright 2022 The Ceph-CSI Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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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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*/
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package v1
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import (
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"encoding/binary"
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"github.com/ceph/ceph-csi/internal/util/reftracker/errors"
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)
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// Represents the number of references a reftracker object holds.
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type refCount uint32
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const (
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Version = 1
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refCountSize = 4
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)
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func (rc refCount) toBytes() []byte {
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bs := make([]byte, refCountSize)
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binary.BigEndian.PutUint32(bs, uint32(rc))
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return bs
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}
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func refCountFromBytes(bs []byte) (refCount, error) {
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if len(bs) != refCountSize {
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return 0, errors.UnexpectedReadSize(refCountSize, len(bs))
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}
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return refCount(binary.BigEndian.Uint32(bs)), nil
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}
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