257 lines
6.8 KiB
Go
257 lines
6.8 KiB
Go
package main
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import (
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"context"
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"flag"
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"log"
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"os"
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"os/signal"
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"syscall"
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"time"
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"git.pyer.club/kingecg/gotidb/pkg/api"
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"git.pyer.club/kingecg/gotidb/pkg/manager"
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"git.pyer.club/kingecg/gotidb/pkg/messaging"
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"git.pyer.club/kingecg/gotidb/pkg/model"
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"git.pyer.club/kingecg/gotidb/pkg/monitoring"
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"git.pyer.club/kingecg/gotidb/pkg/storage"
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)
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var (
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restAddr = flag.String("rest-addr", ":8080", "REST API服务地址")
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wsAddr = flag.String("ws-addr", ":8081", "WebSocket服务地址")
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metricsAddr = flag.String("metrics-addr", ":8082", "指标服务地址")
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natsURL = flag.String("nats-url", "", "NATS服务器地址")
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persistenceType = flag.String("persistence", "none", "持久化类型 (none, wal)")
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persistenceDir = flag.String("persistence-dir", "./data", "持久化目录")
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syncEvery = flag.Int("sync-every", 100, "每写入多少条数据同步一次")
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configPath = flag.String("config", "config.yaml", "配置文件路径")
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// 定义配置QUIC服务的命令行参数
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quicAddr = flag.String("quic-addr", ":8083", "QUIC服务地址")
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genSampleConfig = flag.Bool("gen-sample-config", false, "生成示例配置文件")
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)
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func main() {
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if *genSampleConfig {
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err := GenerateSampleConfig("./config.yaml.sample")
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if err != nil {
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log.Fatalf("生成示例配置文件失败: %v", err)
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}
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log.Println("示例配置文件已生成")
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return
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}
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flag.Parse()
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// 保存命令行原始值，用于后续判断是否被用户显式设置
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originalRestAddr := *restAddr
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originalWsAddr := *wsAddr
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originalMetricsAddr := *metricsAddr
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originalQuicAddr := *quicAddr
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originalNatsURL := *natsURL
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originalPersistenceType := *persistenceType
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originalPersistenceDir := *persistenceDir
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originalSyncEvery := *syncEvery
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var config *Config
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if *configPath != "" {
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var err error
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config, err = LoadConfig(*configPath)
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if err != nil {
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log.Fatalf("Failed to load config: %v", err)
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}
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// 只有当命令行参数为默认值时，才使用配置文件中的值
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if *restAddr == originalRestAddr {
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restAddr = &config.RestAddr
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}
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if *wsAddr == originalWsAddr {
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wsAddr = &config.WsAddr
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}
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if *metricsAddr == originalMetricsAddr {
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metricsAddr = &config.MetricsAddr
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}
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if *quicAddr == originalQuicAddr {
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quicAddr = &config.QuicAddr
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}
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if *natsURL == originalNatsURL {
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natsURL = &config.NATSURL
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}
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if *persistenceType == originalPersistenceType {
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persistenceType = &config.PersistenceType
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}
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if *persistenceDir == originalPersistenceDir {
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persistenceDir = &config.PersistenceDir
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}
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if *syncEvery == originalSyncEvery {
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syncEvery = &config.SyncEvery
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}
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}
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// 创建存储引擎配置
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engineConfig := storage.EngineConfig{
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PersistenceType: storage.PersistenceType(*persistenceType),
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PersistenceDir: *persistenceDir,
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SyncEvery: *syncEvery,
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}
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// 如果是BoltDB，添加BoltDB特有配置
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if *persistenceType == "boltdb" {
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if config != nil {
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engineConfig.BoltDBFilename = config.BoltDBFilename
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engineConfig.BoltDBOptions = &storage.BoltDBConfig{
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BucketSize: config.BoltDBBucketSize,
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}
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} else {
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// 使用默认值
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engineConfig.BoltDBFilename = "gotidb.db"
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engineConfig.BoltDBOptions = &storage.BoltDBConfig{
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BucketSize: 30,
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}
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}
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}
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// 使用工厂方法创建存储引擎
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engine, err := storage.NewStorageEngine(engineConfig)
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if err != nil {
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log.Fatalf("Failed to create storage engine: %v", err)
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}
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log.Printf("Storage engine created: type=%s, directory=%s", *persistenceType, *persistenceDir)
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// 创建数据管理器
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dataManager := manager.NewDataManager(engine)
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// 创建指标收集器
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metrics := monitoring.NewMetrics()
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// 创建REST API服务
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restServer := api.NewRESTServer(dataManager)
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// 创建WebSocket服务
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wsServer := api.NewWebSocketServer(dataManager)
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// 创建QUIC服务器
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var quicServer *api.QUICServer
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var quicConfig = DefaultQuicConfig() // 使用默认配置
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if config != nil && config.QuicConfig != nil {
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quicConfig = config.QuicConfig // 如果配置文件中有配置，则使用配置文件中的配置
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}
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quicServer, err = api.NewQUICServer(dataManager, quicConfig)
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if err != nil {
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log.Printf("Failed to create QUIC server: %v", err)
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log.Println("Continuing without QUIC server")
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quicServer = nil
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}
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// 创建NATS消息系统
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natsConfig := messaging.NATSConfig{
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URL: *natsURL,
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}
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nats, err := messaging.NewNATSMessaging(natsConfig)
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if err != nil {
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log.Printf("Failed to create NATS messaging: %v", err)
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log.Println("Continuing without NATS messaging")
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} else {
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// 订阅消息
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err = nats.Subscribe(func(msg messaging.DataMessage) error {
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// 创建数据点
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id := manager.CreateDataPoint(
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msg.DeviceID,
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msg.MetricCode,
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msg.Labels,
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msg.Value,
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)
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// 写入数据
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value := model.DataValue{
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Timestamp: msg.Timestamp,
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Value: msg.Value,
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}
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return dataManager.Write(context.Background(), id, value)
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})
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if err != nil {
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log.Printf("Failed to subscribe to NATS: %v", err)
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} else {
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log.Println("NATS messaging enabled")
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}
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}
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// 启动服务
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go func() {
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log.Printf("Starting REST API server on %s", *restAddr)
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if err := restServer.Start(*restAddr); err != nil {
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log.Fatalf("Failed to start REST API server: %v", err)
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}
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}()
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go func() {
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log.Printf("Starting WebSocket server on %s", *wsAddr)
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if err := wsServer.Start(*wsAddr); err != nil {
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log.Fatalf("Failed to start WebSocket server: %v", err)
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}
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}()
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go func() {
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log.Printf("Starting metrics server on %s", *metricsAddr)
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if err := metrics.StartServer(*metricsAddr); err != nil {
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log.Fatalf("Failed to start metrics server: %v", err)
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}
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}()
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// 启动QUIC服务
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if quicServer != nil {
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go func() {
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log.Printf("Starting QUIC server on %s", *quicAddr)
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if err := quicServer.Start(*quicAddr); err != nil {
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log.Printf("Failed to start QUIC server: %v", err)
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}
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}()
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}
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// 等待信号
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sigCh := make(chan os.Signal, 1)
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signal.Notify(sigCh, syscall.SIGINT, syscall.SIGTERM)
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<-sigCh
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// 优雅关闭
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log.Println("Shutting down...")
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// 创建关闭上下文
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ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
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defer cancel()
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// 关闭REST API服务
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if err := restServer.Stop(ctx); err != nil {
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log.Printf("Failed to stop REST API server: %v", err)
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}
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// 关闭WebSocket服务
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if err := wsServer.Stop(ctx); err != nil {
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log.Printf("Failed to stop WebSocket server: %v", err)
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}
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// 关闭NATS消息系统
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if nats != nil {
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if err := nats.Close(); err != nil {
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log.Printf("Failed to close NATS messaging: %v", err)
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}
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}
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// 关闭QUIC服务
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if quicServer != nil {
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if err := quicServer.Stop(ctx); err != nil {
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log.Printf("Failed to stop QUIC server: %v", err)
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}
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}
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// 关闭数据管理器
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if err := dataManager.Close(); err != nil {
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log.Printf("Failed to close data manager: %v", err)
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}
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log.Println("Shutdown complete")
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}
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