gf/database/gredis/gredis_config.go

132 lines
3.4 KiB
Go

// Copyright 2019 gf Author(https://github.com/gogf/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://github.com/gogf/gf.
package gredis
import (
"time"
"github.com/gogf/gf/errors/gerror"
"github.com/gogf/gf/container/gmap"
"github.com/gogf/gf/text/gregex"
"github.com/gogf/gf/text/gstr"
"github.com/gogf/gf/util/gconv"
)
const (
DEFAULT_GROUP_NAME = "default" // Default configuration group name.
DEFAULT_REDIS_PORT = 6379 // Default redis port configuration if not passed.
)
var (
// Configuration groups.
configs = gmap.NewStrAnyMap(true)
)
// SetConfig sets the global configuration for specified group.
// If <name> is not passed, it sets configuration for the default group name.
func SetConfig(config Config, name ...string) {
group := DEFAULT_GROUP_NAME
if len(name) > 0 {
group = name[0]
}
configs.Set(group, config)
instances.Remove(group)
}
// SetConfigByStr sets the global configuration for specified group with string.
// If <name> is not passed, it sets configuration for the default group name.
func SetConfigByStr(str string, name ...string) error {
group := DEFAULT_GROUP_NAME
if len(name) > 0 {
group = name[0]
}
config, err := ConfigFromStr(str)
if err != nil {
return err
}
configs.Set(group, config)
instances.Remove(group)
return nil
}
// GetConfig returns the global configuration with specified group name.
// If <name> is not passed, it returns configuration of the default group name.
func GetConfig(name ...string) (config Config, ok bool) {
group := DEFAULT_GROUP_NAME
if len(name) > 0 {
group = name[0]
}
if v := configs.Get(group); v != nil {
return v.(Config), true
}
return Config{}, false
}
// RemoveConfig removes the global configuration with specified group.
// If <name> is not passed, it removes configuration of the default group name.
func RemoveConfig(name ...string) {
group := DEFAULT_GROUP_NAME
if len(name) > 0 {
group = name[0]
}
configs.Remove(group)
instances.Remove(group)
}
// ConfigFromStr parses and returns config from given str.
// Eg: host:port[,db,pass?maxIdle=x&maxActive=x&idleTimeout=x&maxConnLifetime=x]
func ConfigFromStr(str string) (config Config, err error) {
array, _ := gregex.MatchString(`([^:]+):*(\d*),{0,1}(\d*),{0,1}(.*)\?(.+)`, str)
if len(array) == 6 {
parse, _ := gstr.Parse(array[5])
config = Config{
Host: array[1],
Port: gconv.Int(array[2]),
Db: gconv.Int(array[3]),
Pass: array[4],
}
if config.Port == 0 {
config.Port = DEFAULT_REDIS_PORT
}
if v, ok := parse["maxIdle"]; ok {
config.MaxIdle = gconv.Int(v)
}
if v, ok := parse["maxActive"]; ok {
config.MaxActive = gconv.Int(v)
}
if v, ok := parse["idleTimeout"]; ok {
config.IdleTimeout = gconv.Duration(v) * time.Second
}
if v, ok := parse["maxConnLifetime"]; ok {
config.MaxConnLifetime = gconv.Duration(v) * time.Second
}
return
}
array, _ = gregex.MatchString(`([^:]+):*(\d*),{0,1}(\d*),{0,1}(.*)`, str)
if len(array) == 5 {
config = Config{
Host: array[1],
Port: gconv.Int(array[2]),
Db: gconv.Int(array[3]),
Pass: array[4],
}
if config.Port == 0 {
config.Port = DEFAULT_REDIS_PORT
}
} else {
err = gerror.Newf(`invalid redis configuration: "%s"`, str)
}
return
}
// ClearConfig removes all configurations and instances of redis.
func ClearConfig() {
configs.Clear()
instances.Clear()
}