Files
computer-network/config/config.go
T
2026-03-30 22:05:57 +08:00

78 lines
1.1 KiB
Go

package config
import (
"encoding/json"
"os"
"sync"
)
type Config struct {
Port int `json:"port"`
AdminPort int `json:"admin_port"`
RootDir string `json:"root_dir"`
mu sync.RWMutex
}
var defaultConfig = &Config{
Port: 9000,
AdminPort: 9001,
RootDir: "./web",
}
func Load(path string) (*Config, error) {
cfg := defaultConfig
data, err := os.ReadFile(path)
if err != nil {
if os.IsNotExist(err) {
return cfg, nil
}
return nil, err
}
if len(data) > 0 {
err = json.Unmarshal(data, &cfg)
if err != nil {
return nil, err
}
}
return cfg, nil
}
func (c *Config) Save(path string) error {
c.mu.RLock()
defer c.mu.RUnlock()
data, err := json.MarshalIndent(c, "", " ")
if err != nil {
return err
}
return os.WriteFile(path, data, 0644)
}
func (c *Config) GetPort() int {
c.mu.RLock()
defer c.mu.RUnlock()
return c.Port
}
func (c *Config) SetPort(port int) {
c.mu.Lock()
defer c.mu.Unlock()
c.Port = port
}
func (c *Config) GetAdminPort() int {
c.mu.RLock()
defer c.mu.RUnlock()
return c.AdminPort
}
func (c *Config) GetRootDir() string {
c.mu.RLock()
defer c.mu.RUnlock()
return c.RootDir
}