244 lines
6.8 KiB
Go
244 lines
6.8 KiB
Go
// entry function
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package main
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import (
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"context"
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"flag"
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"net/http"
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"os"
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"os/signal"
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"path/filepath"
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"syscall"
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"time"
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"modelRT/alert"
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"modelRT/config"
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"modelRT/database"
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"modelRT/diagram"
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locker "modelRT/distributedlock"
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_ "modelRT/docs"
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"modelRT/handler"
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"modelRT/logger"
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"modelRT/middleware"
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"modelRT/model"
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"modelRT/pool"
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"modelRT/router"
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"modelRT/util"
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realtimedata "modelRT/real-time-data"
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"github.com/gin-gonic/gin"
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"github.com/panjf2000/ants/v2"
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swaggerFiles "github.com/swaggo/files"
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ginSwagger "github.com/swaggo/gin-swagger"
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"gorm.io/gorm"
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)
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var limiter *middleware.Limiter
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func init() {
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limiter = middleware.NewLimiter(10, 1*time.Minute) // 设置限流器，允许每分钟最多请求10次
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}
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var (
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modelRTConfigDir = flag.String("modelRT_config_dir", "./configs", "config file dir of model runtime service")
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modelRTConfigName = flag.String("modelRT_config_name", "config", "config file name of model runtime service")
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modelRTConfigType = flag.String("modelRT_config_type", "yaml", "config file type of model runtime service")
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)
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var (
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modelRTConfig config.ModelRTConfig
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postgresDBClient *gorm.DB
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alertManager *alert.EventManager
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)
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// TODO 使用 wire 依赖注入管理 DVIE 面板注册的 panel
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// @title ModelRT 实时模型服务 API 文档
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// @version 1.0
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// @description 实时数据计算和模型运行服务的 API 服务
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// TODO termsOfService服务条款待后续优化
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// // @termsOfService http://swagger.io/terms/
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//
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// @contact.name douxu
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// TODO 修改支持的文档地址
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// @contact.url http://www.swagger.io/support
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// @contact.email douxu@clea.com.cn
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//
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// @license.name Apache 2.0
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// @license.url http://www.apache.org/licenses/LICENSE-2.0.html
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//
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// @host localhost:8080
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// @BasePath /api/v1
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func main() {
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flag.Parse()
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ctx := context.TODO()
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// init logger
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logger.InitLoggerInstance(modelRTConfig.LoggerConfig)
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configPath := filepath.Join(*modelRTConfigDir, *modelRTConfigName+"."+*modelRTConfigType)
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if _, err := os.Stat(configPath); os.IsNotExist(err) {
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logger.Info(ctx, "configuration file not found,checking for example file")
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exampleConfigPath := filepath.Join(*modelRTConfigDir, *modelRTConfigName+".example."+*modelRTConfigType)
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if _, err := os.Stat(exampleConfigPath); err == nil {
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if err := util.CopyFile(exampleConfigPath, configPath); err != nil {
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logger.Error(ctx, "failed to copy example config file", "error", err)
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panic(err)
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}
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logger.Info(ctx, "successfully copied example config to actual config file")
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} else {
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logger.Error(ctx, "No config file and no config example file found.")
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}
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}
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modelRTConfig = config.ReadAndInitConfig(*modelRTConfigDir, *modelRTConfigName, *modelRTConfigType)
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hostName, err := os.Hostname()
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if err != nil {
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logger.Error(ctx, "get host name failed", "error", err)
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panic(err)
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}
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serviceToken, err := util.GenerateClientToken(hostName, modelRTConfig.ServiceConfig.ServiceName, modelRTConfig.ServiceConfig.SecretKey)
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if err != nil {
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logger.Error(ctx, "generate client token failed", "error", err)
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panic(err)
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}
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// init postgresDBClient
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postgresDBClient = database.InitPostgresDBInstance(ctx, modelRTConfig.PostgresDBURI)
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defer func() {
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sqlDB, err := postgresDBClient.DB()
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if err != nil {
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panic(err)
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}
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sqlDB.Close()
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}()
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// init alert manager
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_ = alert.InitAlertEventManager()
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// init model parse ants pool
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parsePool, err := ants.NewPoolWithFunc(modelRTConfig.ParseConcurrentQuantity, pool.ParseFunc)
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if err != nil {
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logger.Error(ctx, "init concurrent parse task pool failed", "error", err)
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panic(err)
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}
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defer parsePool.Release()
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searchPool, err := util.NewRedigoPool(modelRTConfig.StorageRedisConfig)
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defer searchPool.Close()
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model.InitAutocompleterWithPool(searchPool)
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storageClient := diagram.InitRedisClientInstance(modelRTConfig.StorageRedisConfig)
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defer storageClient.Close()
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lockerClient := locker.InitClientInstance(modelRTConfig.LockerRedisConfig)
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defer lockerClient.Close()
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// init anchor param ants pool
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anchorRealTimePool, err := pool.AnchorPoolInit(modelRTConfig.RTDReceiveConcurrentQuantity)
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if err != nil {
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logger.Error(ctx, "init concurrent anchor param task pool failed", "error", err)
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panic(err)
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}
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defer anchorRealTimePool.Release()
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// init cancel context
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cancelCtx, cancel := context.WithCancel(ctx)
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defer cancel()
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// init real time data receive channel
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go realtimedata.ReceiveChan(cancelCtx)
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postgresDBClient.Transaction(func(tx *gorm.DB) error {
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// load circuit diagram from postgres
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// componentTypeMap, err := database.QueryCircuitDiagramComponentFromDB(cancelCtx, tx, parsePool)
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// if err != nil {
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// logger.Error(ctx, "load circuit diagrams from postgres failed", "error", err)
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// panic(err)
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// }
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// TODO 暂时屏蔽完成 swagger 启动测试
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tree, err := database.QueryTopologicFromDB(ctx, tx)
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if err != nil {
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logger.Error(ctx, "load topologic info from postgres failed", "error", err)
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panic(err)
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}
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diagram.GlobalTree = tree
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return nil
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})
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// TODO 完成订阅数据分析
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// TODO 暂时屏蔽完成 swagger 启动测试
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// go realtimedata.RealTimeDataComputer(ctx, nil, []string{}, "")
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// use release mode in productio
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// gin.SetMode(gin.ReleaseMode)
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engine := gin.New()
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router.RegisterRoutes(engine, serviceToken)
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// real time data api
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engine.GET("/ws/rtdatas", handler.RealTimeDataReceivehandler)
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// anchor api
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engine.POST("/model/anchor_replace", handler.ComponentAnchorReplaceHandler)
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// alert api
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engine.GET("/alert/events/query", handler.QueryAlertEventHandler)
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// real time data api
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engine.GET("/rt/datas/query", handler.QueryRealTimeDataHandler)
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// dashborad api
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dashboard := engine.Group("/dashboard", limiter.Middleware)
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{
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dashboard.GET("/load", nil)
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dashboard.GET("/query", nil)
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dashboard.POST("/create", nil)
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dashboard.POST("/update", nil)
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dashboard.POST("/delete", nil)
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}
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// Swagger UI
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engine.GET("/swagger/*any", ginSwagger.WrapHandler(swaggerFiles.Handler))
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// 注册 Swagger UI 路由
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// docs.SwaggerInfo.BasePath = "/model"
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// v1 := engine.Group("/api/v1")
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// {
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// eg := v1.Group("/example")
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// {
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// eg.GET("/helloworld", Helloworld)
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// }
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// }
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server := http.Server{
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Addr: ":8080",
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Handler: engine,
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}
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// creating a System Signal Receiver
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done := make(chan os.Signal, 10)
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signal.Notify(done, os.Interrupt, syscall.SIGINT, syscall.SIGTERM)
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go func() {
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<-done
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if err := server.Shutdown(context.Background()); err != nil {
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logger.Error(ctx, "ShutdownServerError", "err", err)
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}
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}()
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logger.Info(ctx, "starting ModelRT server")
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err = server.ListenAndServe()
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if err != nil {
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if err == http.ErrServerClosed {
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// the service receives the shutdown signal normally and then closes
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logger.Info(ctx, "Server closed under request")
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} else {
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// abnormal shutdown of service
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logger.Error(ctx, "Server closed unexpected", "err", err)
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}
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}
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}
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