49 lines
1.1 KiB
Go
49 lines
1.1 KiB
Go
package http
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import (
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"context"
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"github.com/gin-gonic/gin"
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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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)
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func Run(r *gin.Engine, addr string) {
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srv := &http.Server{
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Addr: addr,
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Handler: r,
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}
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// Initializing the server in a goroutine so that
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// it won't block the graceful shutdown handling below
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go func() {
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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, 1)
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// kill (no param) default send syscall.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("Shutting down server...")
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// The context is used to inform the server it has 5 seconds to finish
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// the request it is currently handling
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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 forced to shutdown: ", err)
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}
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log.Println("Server exiting")
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}
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