mirror of
https://github.com/etcd-io/etcd.git
synced 2024-09-27 06:25:44 +00:00
75 lines
1.9 KiB
Go
75 lines
1.9 KiB
Go
// Copyright 2021 The etcd Authors
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//
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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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//
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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 schema
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import (
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"encoding/binary"
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"math"
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"go.etcd.io/etcd/server/v3/lease/leasepb"
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"go.etcd.io/etcd/server/v3/storage/backend"
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)
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func UnsafeCreateLeaseBucket(tx backend.BatchTx) {
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tx.UnsafeCreateBucket(Lease)
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}
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func MustUnsafeGetAllLeases(tx backend.ReadTx) []*leasepb.Lease {
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_, vs := tx.UnsafeRange(Lease, leaseIdToBytes(0), leaseIdToBytes(math.MaxInt64), 0)
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ls := make([]*leasepb.Lease, 0, len(vs))
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for i := range vs {
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var lpb leasepb.Lease
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err := lpb.Unmarshal(vs[i])
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if err != nil {
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panic("failed to unmarshal lease proto item")
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}
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ls = append(ls, &lpb)
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}
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return ls
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}
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func MustUnsafePutLease(tx backend.BatchTx, lpb *leasepb.Lease) {
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key := leaseIdToBytes(lpb.ID)
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val, err := lpb.Marshal()
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if err != nil {
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panic("failed to marshal lease proto item")
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}
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tx.UnsafePut(Lease, key, val)
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}
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func UnsafeDeleteLease(tx backend.BatchTx, lpb *leasepb.Lease) {
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tx.UnsafeDelete(Lease, leaseIdToBytes(lpb.ID))
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}
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func MustUnsafeGetLease(tx backend.BatchTx, leaseID int64) *leasepb.Lease {
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_, vs := tx.UnsafeRange(Lease, leaseIdToBytes(leaseID), nil, 0)
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if len(vs) != 1 {
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return nil
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}
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var lpb leasepb.Lease
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err := lpb.Unmarshal(vs[0])
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if err != nil {
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panic("failed to unmarshal lease proto item")
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}
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return &lpb
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}
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func leaseIdToBytes(n int64) []byte {
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bytes := make([]byte, 8)
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binary.BigEndian.PutUint64(bytes, uint64(n))
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return bytes
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}
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