package main import ( "flag" "fmt" "github.com/BurntSushi/toml" "os" "time" ) var ( settings Settings ) type Settings struct { Version string Debug bool Server DNSServerSettings `toml:"server"` ResolvConfig ResolvSettings `toml:"resolv"` Redis RedisSettings `toml:"redis"` Log LogSettings `toml:"log"` Cache CacheSettings `toml:"cache"` } type ResolvSettings struct { ResolvFile string `toml:"resolv-file"` Timeout int } type DNSServerSettings struct { Host string Port int } type RedisSettings struct { Host string Port int DB int Password string } type LogSettings struct { File string } type CacheSettings struct { Backend string Expire time.Duration Maxcount int } func init() { var configFile string flag.StringVar(&configFile, "c", "godns.conf", "Look for godns toml-formatting config file in this directory") flag.Parse() if _, err := toml.DecodeFile(configFile, &settings); err != nil { fmt.Printf("%s is not a valid toml config file\n", configFile) fmt.Println(err) os.Exit(1) } }