95 lines
2.8 KiB
Go
95 lines
2.8 KiB
Go
package cli
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import (
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"encoding/json"
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"flag"
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"hands/define"
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"log"
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"net/http"
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"os"
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"strings"
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)
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// 解析配置
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func ParseConfig() *define.Config {
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cfg := &define.Config{}
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// 命令行参数
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var canInterfacesFlag string
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flag.StringVar(&cfg.CanServiceURL, "can-url", "http://127.0.0.1:5260", "CAN 服务的 URL")
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flag.StringVar(&cfg.WebPort, "port", "9099", "Web 服务的端口")
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flag.StringVar(&cfg.DefaultInterface, "interface", "", "默认 CAN 接口")
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flag.StringVar(&canInterfacesFlag, "can-interfaces", "", "支持的 CAN 接口列表，用逗号分隔 (例如: can0,can1,vcan0)")
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flag.Parse()
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// 环境变量覆盖命令行参数
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if envURL := os.Getenv("CAN_SERVICE_URL"); envURL != "" {
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cfg.CanServiceURL = envURL
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}
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if envPort := os.Getenv("WEB_PORT"); envPort != "" {
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cfg.WebPort = envPort
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}
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if envInterface := os.Getenv("DEFAULT_INTERFACE"); envInterface != "" {
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cfg.DefaultInterface = envInterface
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}
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if envInterfaces := os.Getenv("CAN_INTERFACES"); envInterfaces != "" {
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canInterfacesFlag = envInterfaces
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}
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// 解析可用接口
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if canInterfacesFlag != "" {
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cfg.AvailableInterfaces = strings.Split(canInterfacesFlag, ",")
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// 清理空白字符
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for i, iface := range cfg.AvailableInterfaces {
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cfg.AvailableInterfaces[i] = strings.TrimSpace(iface)
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}
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}
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// 如果没有指定可用接口，从CAN服务获取
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if len(cfg.AvailableInterfaces) == 0 {
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log.Println("🔍 未指定可用接口，将从 CAN 服务获取...")
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cfg.AvailableInterfaces = getAvailableInterfacesFromCanService(cfg.CanServiceURL)
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}
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// 设置默认接口
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if cfg.DefaultInterface == "" && len(cfg.AvailableInterfaces) > 0 {
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cfg.DefaultInterface = cfg.AvailableInterfaces[0]
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}
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return cfg
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}
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// 从CAN服务获取可用接口
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func getAvailableInterfacesFromCanService(canServiceURL string) []string {
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resp, err := http.Get(canServiceURL + "/api/interfaces")
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if err != nil {
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log.Printf("⚠️ 无法从 CAN 服务获取接口列表: %v，使用默认配置", err)
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return []string{"can0", "can1"} // 默认接口
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}
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defer resp.Body.Close()
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var apiResp define.ApiResponse
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if err := json.NewDecoder(resp.Body).Decode(&apiResp); err != nil {
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log.Printf("⚠️ 解析 CAN 服务接口响应失败: %v，使用默认配置", err)
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return []string{"can0", "can1"}
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}
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if data, ok := apiResp.Data.(map[string]interface{}); ok {
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if configuredPorts, ok := data["configuredPorts"].([]interface{}); ok {
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interfaces := make([]string, 0, len(configuredPorts))
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for _, port := range configuredPorts {
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if portStr, ok := port.(string); ok {
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interfaces = append(interfaces, portStr)
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}
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}
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if len(interfaces) > 0 {
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log.Printf("✅ 从 CAN 服务获取到接口: %v", interfaces)
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return interfaces
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}
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}
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}
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log.Println("⚠️ 无法从 CAN 服务获取有效接口，使用默认配置")
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return []string{"can0", "can1"}
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}
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