2018-04-18 18:05:46 +08:00
|
|
|
|
// Copyright 2017 gf Author(https://gitee.com/johng/gf). All Rights Reserved.
|
|
|
|
|
//
|
|
|
|
|
// This Source Code Form is subject to the terms of the MIT License.
|
|
|
|
|
// If a copy of the MIT was not distributed with this file,
|
|
|
|
|
// You can obtain one at https://gitee.com/johng/gf.
|
|
|
|
|
|
2019-01-15 23:27:47 +08:00
|
|
|
|
// Package gredis provides client for redis server.
|
2019-01-16 13:35:16 +08:00
|
|
|
|
//
|
2018-04-18 18:05:46 +08:00
|
|
|
|
// Redis客户端.
|
2019-01-16 13:35:16 +08:00
|
|
|
|
// Redis中文手册文档请参考:http://redisdoc.com/ , Redis官方命令请参考:https://redis.io/commands
|
2018-04-18 18:05:46 +08:00
|
|
|
|
package gredis
|
|
|
|
|
|
|
|
|
|
import (
|
|
|
|
|
"time"
|
2018-10-22 11:13:00 +08:00
|
|
|
|
"gitee.com/johng/gf/third/github.com/gomodule/redigo/redis"
|
2018-04-24 23:09:59 +08:00
|
|
|
|
"gitee.com/johng/gf/g/container/gmap"
|
2018-06-05 21:18:41 +08:00
|
|
|
|
"fmt"
|
2018-04-18 18:05:46 +08:00
|
|
|
|
)
|
|
|
|
|
|
|
|
|
|
const (
|
|
|
|
|
gDEFAULT_POOL_MAX_IDLE = 1
|
|
|
|
|
gDEFAULT_POOL_MAX_ACTIVE = 10
|
|
|
|
|
gDEFAULT_POOL_IDLE_TIMEOUT = 180 * time.Second
|
|
|
|
|
gDEFAULT_POOL_MAX_LIFE_TIME = 60 * time.Second
|
|
|
|
|
)
|
|
|
|
|
|
|
|
|
|
// Redis客户端
|
|
|
|
|
type Redis struct {
|
2018-04-24 23:09:59 +08:00
|
|
|
|
pool *redis.Pool
|
2018-04-18 18:05:46 +08:00
|
|
|
|
}
|
|
|
|
|
|
2018-06-05 21:18:41 +08:00
|
|
|
|
// Redis服务端但节点连接配置信息
|
|
|
|
|
type Config struct {
|
|
|
|
|
Host string // IP/域名
|
|
|
|
|
Port int // 端口
|
|
|
|
|
Db int // db
|
|
|
|
|
Pass string // 密码
|
|
|
|
|
}
|
|
|
|
|
|
2018-04-18 18:05:46 +08:00
|
|
|
|
// Redis链接池统计信息
|
|
|
|
|
type PoolStats struct {
|
|
|
|
|
redis.PoolStats
|
|
|
|
|
}
|
|
|
|
|
|
2018-04-24 23:09:59 +08:00
|
|
|
|
// 连接池map
|
|
|
|
|
var pools = gmap.NewStringInterfaceMap()
|
|
|
|
|
|
2018-06-05 21:25:30 +08:00
|
|
|
|
// 创建redis操作对象.
|
2018-06-05 21:18:41 +08:00
|
|
|
|
func New(config Config) *Redis {
|
|
|
|
|
r := &Redis{}
|
|
|
|
|
poolKey := fmt.Sprintf("%s:%d,%d", config.Host, config.Port, config.Db)
|
2018-04-24 23:09:59 +08:00
|
|
|
|
if v := pools.Get(poolKey); v == nil {
|
|
|
|
|
pool := &redis.Pool {
|
|
|
|
|
MaxIdle : gDEFAULT_POOL_MAX_IDLE,
|
|
|
|
|
MaxActive : gDEFAULT_POOL_MAX_ACTIVE,
|
|
|
|
|
IdleTimeout : gDEFAULT_POOL_IDLE_TIMEOUT,
|
|
|
|
|
MaxConnLifetime : gDEFAULT_POOL_MAX_LIFE_TIME,
|
|
|
|
|
Dial : func() (redis.Conn, error) {
|
2018-06-05 21:18:41 +08:00
|
|
|
|
c, err := redis.Dial("tcp", fmt.Sprintf("%s:%d", config.Host, config.Port))
|
2018-04-24 23:09:59 +08:00
|
|
|
|
if err != nil {
|
|
|
|
|
return nil, err
|
|
|
|
|
}
|
2018-06-05 21:18:41 +08:00
|
|
|
|
if len(config.Pass) > 0 {
|
2018-07-05 19:36:35 +08:00
|
|
|
|
if _, err := c.Do("AUTH", config.Pass); err != nil {
|
|
|
|
|
return nil, err
|
|
|
|
|
}
|
2018-06-05 21:18:41 +08:00
|
|
|
|
}
|
2018-08-21 09:40:55 +08:00
|
|
|
|
if _, err := c.Do("SELECT", config.Db); err != nil {
|
|
|
|
|
return nil, err
|
|
|
|
|
}
|
2018-04-24 23:09:59 +08:00
|
|
|
|
return c, nil
|
|
|
|
|
},
|
2018-08-21 10:34:36 +08:00
|
|
|
|
// 用来测试连接是否可用
|
|
|
|
|
TestOnBorrow: func(c redis.Conn, t time.Time) error {
|
|
|
|
|
_, err := c.Do("PING")
|
|
|
|
|
return err
|
|
|
|
|
},
|
2018-04-24 23:09:59 +08:00
|
|
|
|
}
|
|
|
|
|
pools.Set(poolKey, pool)
|
|
|
|
|
r.pool = pool
|
|
|
|
|
} else {
|
|
|
|
|
r.pool = v.(*redis.Pool)
|
2018-04-18 18:05:46 +08:00
|
|
|
|
}
|
|
|
|
|
return r
|
|
|
|
|
}
|
|
|
|
|
|
2018-10-13 21:13:18 +08:00
|
|
|
|
// 关闭redis管理对象,将会关闭底层的
|
2018-04-18 18:05:46 +08:00
|
|
|
|
func (r *Redis) Close() error {
|
2018-10-13 21:13:18 +08:00
|
|
|
|
return r.pool.Close()
|
2018-04-18 18:05:46 +08:00
|
|
|
|
}
|
|
|
|
|
|
2018-12-01 11:28:47 +08:00
|
|
|
|
// 获得一个原生的redis连接对象,用于自定义连接操作,
|
|
|
|
|
// 但是需要注意的是如果不再使用该连接对象时,需要手动Close连接,否则会造成连接数超限。
|
|
|
|
|
func (r *Redis) GetConn() redis.Conn {
|
|
|
|
|
return r.pool.Get()
|
|
|
|
|
}
|
|
|
|
|
|
2018-04-18 18:05:46 +08:00
|
|
|
|
// 设置属性 - MaxIdle
|
|
|
|
|
func (r *Redis) SetMaxIdle(value int) {
|
|
|
|
|
r.pool.MaxIdle = value
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// 设置属性 - MaxActive
|
|
|
|
|
func (r *Redis) SetMaxActive(value int) {
|
|
|
|
|
r.pool.MaxActive = value
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// 设置属性 - IdleTimeout
|
|
|
|
|
func (r *Redis) SetIdleTimeout(value time.Duration) {
|
|
|
|
|
r.pool.IdleTimeout = value
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// 设置属性 - MaxConnLifetime
|
|
|
|
|
func (r *Redis) SetMaxConnLifetime(value time.Duration) {
|
|
|
|
|
r.pool.MaxConnLifetime = value
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// 获取当前连接池统计信息
|
|
|
|
|
func (r *Redis) Stats() *PoolStats {
|
|
|
|
|
return &PoolStats{r.pool.Stats()}
|
|
|
|
|
}
|
|
|
|
|
|
2018-06-05 21:18:41 +08:00
|
|
|
|
// 执行同步命令 - Do
|
2018-04-18 18:05:46 +08:00
|
|
|
|
func (r *Redis) Do(command string, args ...interface{}) (interface{}, error) {
|
2018-10-13 21:13:18 +08:00
|
|
|
|
conn := r.pool.Get()
|
|
|
|
|
defer conn.Close()
|
|
|
|
|
return conn.Do(command, args...)
|
2018-04-18 18:05:46 +08:00
|
|
|
|
}
|
|
|
|
|
|
2018-06-05 21:18:41 +08:00
|
|
|
|
// 执行异步命令 - Send
|
2018-04-18 18:05:46 +08:00
|
|
|
|
func (r *Redis) Send(command string, args ...interface{}) error {
|
2018-10-13 21:13:18 +08:00
|
|
|
|
conn := r.pool.Get()
|
|
|
|
|
defer conn.Close()
|
|
|
|
|
return conn.Send(command, args...)
|
2018-04-18 18:05:46 +08:00
|
|
|
|
}
|
|
|
|
|
|