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* Update server.go It's necessary that catching ctx.Done() * Update server.go * Update server.go * Update README.md * Update README.md
58 lines
1.2 KiB
Go
58 lines
1.2 KiB
Go
// +build go1.8
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package main
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import (
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"context"
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"log"
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"net/http"
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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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"github.com/gin-gonic/gin"
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)
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func main() {
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router := gin.Default()
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router.GET("/", func(c *gin.Context) {
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time.Sleep(5 * time.Second)
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c.String(http.StatusOK, "Welcome Gin Server")
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})
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srv := &http.Server{
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Addr: ":8080",
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Handler: router,
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}
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go func() {
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// service connections
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if err := srv.ListenAndServe(); err != nil && err != http.ErrServerClosed {
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log.Fatalf("listen: %s\n", err)
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}
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}()
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// Wait for interrupt signal to gracefully shutdown the server with
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// a timeout of 5 seconds.
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quit := make(chan os.Signal)
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// kill (no param) default send syscanll.SIGTERM
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// kill -2 is syscall.SIGINT
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// kill -9 is syscall. SIGKILL but can"t be catch, so don't need add it
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signal.Notify(quit, syscall.SIGINT, syscall.SIGTERM)
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<-quit
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log.Println("Shutdown Server ...")
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ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
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defer cancel()
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if err := srv.Shutdown(ctx); err != nil {
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log.Fatal("Server Shutdown:", err)
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}
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// catching ctx.Done(). timeout of 5 seconds.
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select {
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case <-ctx.Done():
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log.Println("timeout of 5 seconds.")
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}
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log.Println("Server exiting")
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}
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