go-tsviewer/config/config.go

69 lines
1.1 KiB
Go

package config
import (
"encoding/json"
"io/ioutil"
"log"
"os"
)
type Config struct {
IP string `json:"ip"`
Port uint16 `json:"port"`
User User `json:"user"`
Server Server `json:"server"`
}
type User struct {
Name string `json:"name"`
Password string `json:"password"`
}
type Server struct {
Port uint16 `json:"port"`
}
const FileName = "config.json"
func New() (*Config, error) {
config := defaults()
configFile, err := os.Open(FileName)
if err != nil {
if err := config.createFile(); err != nil {
return nil, err
}
log.Println(config)
return &config, nil
}
defer configFile.Close()
jsonParser := json.NewDecoder(configFile)
jsonParser.Decode(&config)
return &config, nil
}
func (config Config) createFile() error {
configJSON, err := json.MarshalIndent(config, "", " ")
if err != nil {
return err
}
return ioutil.WriteFile(FileName, configJSON, 0644)
}
func defaults() Config {
return Config{
IP: "127.0.0.1",
Port: 10011,
User: User{
Name: "serveradmin",
Password: "",
},
Server: Server{
Port: 9987,
},
}
}