forked from open-falcon/falcon-plus
/
cfg.go
65 lines (52 loc) · 1.22 KB
/
cfg.go
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package g
import (
"encoding/json"
"github.com/toolkits/file"
"log"
"sync"
)
type HttpConfig struct {
Enabled bool `json:"enabled"`
Listen string `json:"listen"`
}
type GlobalConfig struct {
Debug bool `json:"debug"`
Hosts string `json:"hosts"`
Database string `json:"database"`
MaxIdle int `json:"maxIdle"`
Listen string `json:"listen"`
Trustable []string `json:"trustable"`
Http *HttpConfig `json:"http"`
}
var (
ConfigFile string
config *GlobalConfig
configLock = new(sync.RWMutex)
)
func Config() *GlobalConfig {
configLock.RLock()
defer configLock.RUnlock()
return config
}
func ParseConfig(cfg string) {
if cfg == "" {
log.Fatalln("use -c to specify configuration file")
}
if !file.IsExist(cfg) {
log.Fatalln("config file:", cfg, "is not existent")
}
ConfigFile = cfg
configContent, err := file.ToTrimString(cfg)
if err != nil {
log.Fatalln("read config file:", cfg, "fail:", err)
}
var c GlobalConfig
err = json.Unmarshal([]byte(configContent), &c)
if err != nil {
log.Fatalln("parse config file:", cfg, "fail:", err)
}
configLock.Lock()
defer configLock.Unlock()
config = &c
log.Println("read config file:", cfg, "successfully")
}