redislock

package

v1.4.1 Latest Latest Go to latest Published: Aug 18, 2022 License: MIT Imports: 4 Imported by: 0

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Repository

github.com/civet148/gotools

Links

Open Source Insights

Documentation ¶

Index ¶

Variables
type Locker
- func (locker *Locker) Unlock() (err error)
type RedisLock
- func NewRedisLock() *RedisLock
- func (rds *RedisLock) Open(strURL string) (err error)
- func (rds *RedisLock) TryLock(strKey, strValue string, nExpireTime int) (locker *Locker, ok bool)

Constants ¶

This section is empty.

Variables ¶

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var REDIS_CMD_AUTH = "AUTH"

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var REDIS_CMD_DEL = "DEL"

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var REDIS_CMD_EVAL = "EVAL"

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var REDIS_CMD_EXPIRE = "EXPIRE"

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var REDIS_CMD_GET = "GET"

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var REDIS_CMD_PING = "PING"

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var REDIS_CMD_SET = "SET"

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var REDIS_LOCK_SUCC = "OK"

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var REDIS_SET_EX = "EX" //设置过期时间（单位：秒）

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var REDIS_SET_NX = "NX" //设置key-value当指定key不存在时

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var REDIS_SET_WITH_EXPIRE_TIME = "PX" //设置过期时间（单位：毫秒）

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var REDIS_UNLOCK_SUCC = int64(1)

Functions ¶

This section is empty.

Types ¶

type Locker ¶

type Locker struct {
	// contains filtered or unexported fields
}

func (*Locker) Unlock ¶

func (locker *Locker) Unlock() (err error)

* @brief 解锁 * @return err 成功返回nil，失败返回error(失败的情况仅限于redis服务器宕机了或执行脚本出错)

type RedisLock ¶

type RedisLock struct {
	// contains filtered or unexported fields
}

func NewRedisLock ¶

func NewRedisLock() *RedisLock

func (*RedisLock) Open ¶

func (rds *RedisLock) Open(strURL string) (err error)

* @brief 打开Redis连接，初始化连接池 * @param strURL Redis连接URL 有用户名密码 "redis://123456@192.168.1.10:6379" * 没有用户名密码则是 "redis://192.168.1.10:6379" * @return err 成功返回nil，失败返回错误类型

func (*RedisLock) TryLock ¶

func (rds *RedisLock) TryLock(strKey, strValue string, nExpireTime int) (locker *Locker, ok bool)

@brief 尝试加锁
@param strKey Redis唯一key
@param strValue Redis值，用于识别哪个用户加锁
@param nExpireTime 锁的过期时间（秒）
@return locker 加锁成功后，返回用于解锁的对象 err 成功返回nil，失败返回error

Source Files ¶

View all Source files

RedisLock.go

Directories ¶

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