/
main.go
58 lines (48 loc) · 1.06 KB
/
main.go
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package main
import (
"context"
"log"
"net"
"os"
"os/signal"
"syscall"
v1 "go_practice/go_practice/src/week4/apis/shop/v1"
"github.com/pkg/errors"
"golang.org/x/sync/errgroup"
"google.golang.org/grpc"
)
func main() {
service, err := InitUserService()
if err != nil {
log.Panicf("service init fail: %v", err)
}
s := grpc.NewServer()
v1.RegisterUserServerServer(s, service)
// 信号控制
g, ctx := errgroup.WithContext(context.Background())
g.Go(func() error {
<-ctx.Done()
log.Println("shutting down server...")
s.GracefulStop()
return nil
})
g.Go(func() error {
l, err := net.Listen("tcp", ":8080")
if err != nil {
return errors.Wrap(err, "start server port :8080")
}
log.Println("grpc server will list :8080")
return s.Serve(l)
})
g.Go(func() error {
quit := make(chan os.Signal, 0)
signal.Notify(quit, syscall.SIGINT, syscall.SIGTERM)
select {
case <-ctx.Done():
return ctx.Err()
case sig := <-quit:
return errors.Errorf("get os signal: %v", sig)
}
})
log.Printf("errgroup exiting: %+v\n", g.Wait())
}