95 lines
2.0 KiB
Go
95 lines
2.0 KiB
Go
package config
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import (
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"fmt"
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"os"
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"path/filepath"
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"sync"
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"gopkg.in/yaml.v3"
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)
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type ServerConfig struct {
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WebPort int `yaml:"web_port"` // Gin Web服务器端口
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UDPPort int `yaml:"udp_port"` // UDP服务器端口
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}
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type DatabaseConfig struct {
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Host string `yaml:"host"`
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Port int `yaml:"port"`
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User string `yaml:"user"`
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Password string `yaml:"password"`
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DBName string `yaml:"dbname"`
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SSLMode string `yaml:"sslmode"`
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}
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// ForecastConfig 预报相关配置
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type ForecastConfig struct {
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CaiyunToken string `yaml:"caiyun_token"`
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}
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type Config struct {
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Server ServerConfig `yaml:"server"`
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Database DatabaseConfig `yaml:"database"`
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Forecast ForecastConfig `yaml:"forecast"`
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}
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var (
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instance *Config
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once sync.Once
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)
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// GetConfig 返回配置单例
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func GetConfig() *Config {
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once.Do(func() {
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instance = &Config{}
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if err := instance.loadConfig(); err != nil {
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panic(fmt.Sprintf("加载配置文件失败: %v", err))
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}
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})
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return instance
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}
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// loadConfig 从配置文件加载配置
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func (c *Config) loadConfig() error {
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// 尝试多个位置查找配置文件
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configPaths := []string{
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"config.yaml", // 当前目录
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"../config.yaml", // 上级目录
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"../../config.yaml", // 项目根目录
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filepath.Join(os.Getenv("HOME"), ".weatherstation/config.yaml"), // 用户目录
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}
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var data []byte
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var err error
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for _, path := range configPaths {
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if data, err = os.ReadFile(path); err == nil {
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break
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}
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}
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if err != nil {
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return fmt.Errorf("未找到配置文件: %v", err)
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}
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if err := yaml.Unmarshal(data, c); err != nil {
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return fmt.Errorf("解析配置文件失败: %v", err)
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}
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return c.validate()
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}
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// validate 验证配置有效性
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func (c *Config) validate() error {
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if c.Server.WebPort <= 0 {
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c.Server.WebPort = 10003 // 默认Web端口
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}
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if c.Server.UDPPort <= 0 {
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c.Server.UDPPort = 10001 // 默认UDP端口
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}
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if c.Database.SSLMode == "" {
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c.Database.SSLMode = "disable" // 默认禁用SSL
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}
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// CaiyunToken 允许为空：表示不启用彩云定时任务
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return nil
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}
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