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main.go
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main.go
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package main
import (
"context"
"errors"
"github.com/YeHeng/gtool/app"
"github.com/YeHeng/gtool/app/middleware"
"net/http"
"os"
"os/signal"
"syscall"
"time"
"github.com/gin-gonic/gin"
)
func main() {
r := gin.New()
r.Use(middleware.Logger(), middleware.Recovery(false))
app.Logger.Infow("初始化Router...")
app.Logger.Infow("开始启动APP!")
config := app.Config
srv := &http.Server{
Addr: ":" + config.Port,
Handler: r,
}
// Initializing the server in a goroutine so that
// it won't block the graceful shutdown handling below
go func() {
if err := srv.ListenAndServe(); err != nil {
if errors.Is(err, http.ErrServerClosed) {
app.Logger.Infow("Server exited.")
} else {
app.Logger.Fatalf("Gin start fail. %v", err)
}
}
}()
// Wait for interrupt signal to gracefully shutdown the server with
// a timeout of 5 seconds.
quit := make(chan os.Signal)
// kill (no param) default send syscall.SIGTERM
// kill -2 is syscall.SIGINT
// kill -9 is syscall.SIGKILL but can't be catch, so don't need add it
signal.Notify(quit, syscall.SIGINT, syscall.SIGTERM)
<-quit
app.Logger.Infow("Shutting down server...")
// The context is used to inform the server it has 5 seconds to finish
// the request it is currently handling
ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
defer cancel()
if err := srv.Shutdown(ctx); err != nil {
app.Logger.Fatalf("Server forced to shutdown: %v", err)
}
}