2023-03-17 11:20:09 +03:00
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package fiber_connect
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import (
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"github.com/gofiber/fiber/v2"
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2023-04-25 17:28:10 +03:00
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"github.com/manyakrus/starter/contextmain"
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"github.com/manyakrus/starter/logger"
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"github.com/manyakrus/starter/stopapp"
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2023-03-17 11:20:09 +03:00
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"os"
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"path/filepath"
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"reflect"
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)
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// empty - пустая структура для имени пакета
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type empty struct{}
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// PackageName - имя пакета golang
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var PackageName = filepath.Base(reflect.TypeOf(empty{}).PkgPath())
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// log - глобальный логгер
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var log = logger.GetLog()
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// Settings хранит все нужные переменные окружения
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var Settings SettingsINI
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// SettingsINI - структура для хранения всех нужных переменных окружения
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type SettingsINI struct {
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WEBSERVER_HOST string
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WEBSERVER_PORT string
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}
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var Client *fiber.App
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func Connect() {
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if Settings.WEBSERVER_PORT == "" {
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FillSettings()
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}
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Client = fiber.New()
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log.Info("Fiber connected. OK. host: ", Settings.WEBSERVER_HOST, ":", Settings.WEBSERVER_PORT)
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}
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// FillSettings загружает переменные окружения в структуру из файла или из переменных окружения
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func FillSettings() {
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Settings = SettingsINI{}
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Settings.WEBSERVER_HOST = os.Getenv("WEBSERVER_HOST")
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Settings.WEBSERVER_PORT = os.Getenv("WEBSERVER_PORT")
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if Settings.WEBSERVER_HOST == "" {
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log.Info("Need fill WEBSERVER_HOST ! in OS Environment ")
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}
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if Settings.WEBSERVER_PORT == "" {
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log.Info("Need fill WEBSERVER_PORT ! in OS Environment ")
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Settings.WEBSERVER_PORT = "3002"
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}
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//
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}
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func CloseConnection_err() error {
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err := Client.Shutdown()
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return err
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}
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func CloseConnection() {
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err := CloseConnection_err()
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if err != nil {
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log.Error("Fiber CloseConnection() error: ", err)
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} else {
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log.Info("Fiber connection closed.")
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}
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}
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// StartLiveness - делает соединение с БД, отключение и др.
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func Start() {
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if Client == nil {
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FillSettings()
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Connect()
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}
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go Listen()
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stopapp.GetWaitGroup_Main().Add(1)
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go WaitStop()
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}
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func Listen() {
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addr := Settings.WEBSERVER_HOST + ":" + Settings.WEBSERVER_PORT //3002
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err := Client.Listen(addr)
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if err != nil {
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log.Panic(PackageName, "Listen() error: ", err)
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}
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}
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// WaitStop - ожидает отмену глобального контекста или сигнала завершения приложения
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func WaitStop() {
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select {
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case <-contextmain.GetContext().Done():
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log.Warn("Context app is canceled.")
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}
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//ждём пока отправляемых сейчас сообщений будет =0
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//stopapp.WaitTotalMessagesSendingNow(PackageName)
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//закрываем соединение
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CloseConnection()
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stopapp.GetWaitGroup_Main().Done()
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}
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func GetHost() string {
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Otvet := "127.0.0.1"
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if Settings.WEBSERVER_HOST != "" {
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Otvet = Settings.WEBSERVER_HOST
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}
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return Otvet
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}
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