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main.go
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package main
import (
"fmt"
"log"
"net"
"os"
"os/signal"
"github.com/achmadrizkin/database"
pb "github.com/achmadrizkin/proto"
"github.com/achmadrizkin/server"
_ "github.com/go-sql-driver/mysql"
"google.golang.org/grpc"
"google.golang.org/grpc/reflection"
)
func main() {
// jika kode mengalami crash, nomor line akan ditampilkan
log.SetFlags(log.LstdFlags | log.Lshortfile)
fmt.Println("Book service started")
// membuat koneksi ke DB
if err := database.Connect(); err != nil {
log.Fatal(err)
}
// membuat gRPC server
lis, err := net.Listen("tcp", ":50051")
if err != nil {
log.Fatalf("Failed to listen: %v\n", err)
}
s := grpc.NewServer()
// melakukan register BookServiceServer
pb.RegisterMovieServiceServer(s, &server.Server{})
// mengaktifkan reflection
// agar bisa digunakan untuk pengujian dengan evans
reflection.Register(s)
go func() {
fmt.Println("Starting server...")
if err := s.Serve(lis); err != nil {
log.Fatalf("Failed to serve: %v", err)
}
}()
// Menunggu hingga dihentikan dengan Ctrl + C
ch := make(chan os.Signal, 1)
signal.Notify(ch, os.Interrupt)
// Lakukan block hingga sinyal sudah didapatkan
<-ch
fmt.Println("Stopping the server..")
s.Stop()
fmt.Println("Stopping listener...")
lis.Close()
fmt.Println("End of Program")
}