mirror of
https://github.com/bufanyun/hotgo.git
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60 lines
1.3 KiB
Go
60 lines
1.3 KiB
Go
// Package lock
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// @Link https://github.com/bufanyun/hotgo
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// @Copyright Copyright (c) 2023 HotGo CLI
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// @Author Ms <133814250@qq.com>
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// @License https://github.com/bufanyun/hotgo/blob/master/LICENSE
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package lock
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import (
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"github.com/gogf/gf/v2/errors/gerror"
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"time"
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)
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const (
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// 加锁脚本
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lockScript = `
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local token = redis.call('get', KEYS[1])
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if token then
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return 0
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else
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local setResult = redis.call('setex', KEYS[1], ARGV[2], ARGV[1])
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return setResult
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end
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`
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// 续约脚本
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renewalScript = `
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if redis.call('get',KEYS[1])==ARGV[2] then
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return redis.call('expire',KEYS[1],ARGV[1])
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end
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return 0
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`
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// 解锁脚本
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unlockScript = `
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if redis.call("get",KEYS[1]) == ARGV[1] then
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return redis.call("del",KEYS[1])
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else
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return 2
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end
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`
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)
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const (
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// DefaultTTL 锁默认过期时间
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DefaultTTL = time.Second * 10
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// DefaultTryLockInterval 默认重试获取锁间隔时间
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DefaultTryLockInterval = time.Millisecond * 100
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)
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var (
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// ErrLockFailed 加锁失败
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ErrLockFailed = gerror.New("lock failed")
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// ErrTimeout 加锁超时
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ErrTimeout = gerror.New("timeout")
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// ErrNotCaller 锁持有者不是当前实例
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ErrNotCaller = gerror.New("lock not held by the caller")
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// ErrNotExist 锁不存在
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ErrNotExist = gerror.New("lock does not exist")
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)
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