mirror of https://github.com/go-gitea/gitea.git
49 lines
1.1 KiB
Go
49 lines
1.1 KiB
Go
// Copyright 2023 The Gitea Authors. All rights reserved.
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// SPDX-License-Identifier: MIT
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package lqinternal
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import (
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"bytes"
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"encoding/binary"
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"github.com/syndtr/goleveldb/leveldb"
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"github.com/syndtr/goleveldb/leveldb/opt"
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)
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func QueueItemIDBytes(id int64) []byte {
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buf := make([]byte, 8)
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binary.PutVarint(buf, id)
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return buf
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}
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func QueueItemKeyBytes(prefix []byte, id int64) []byte {
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key := make([]byte, len(prefix), len(prefix)+1+8)
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copy(key, prefix)
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key = append(key, '-')
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return append(key, QueueItemIDBytes(id)...)
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}
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func RemoveLevelQueueKeys(db *leveldb.DB, namePrefix []byte) {
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keyPrefix := make([]byte, len(namePrefix)+1)
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copy(keyPrefix, namePrefix)
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keyPrefix[len(namePrefix)] = '-'
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it := db.NewIterator(nil, &opt.ReadOptions{Strict: opt.NoStrict})
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defer it.Release()
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for it.Next() {
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if bytes.HasPrefix(it.Key(), keyPrefix) {
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_ = db.Delete(it.Key(), nil)
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}
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}
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}
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func ListLevelQueueKeys(db *leveldb.DB) (res [][]byte) {
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it := db.NewIterator(nil, &opt.ReadOptions{Strict: opt.NoStrict})
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defer it.Release()
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for it.Next() {
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res = append(res, it.Key())
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}
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return res
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}
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