/
server.go
46 lines (37 loc) · 1.06 KB
/
server.go
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package main
import (
"fmt"
"log"
"net"
"golang.org/x/net/context"
"google.golang.org/grpc"
"google.golang.org/grpc/codes"
"google.golang.org/grpc/status"
api "github.com/avinassh/grpc-errors/go/hello"
)
type HelloServer struct{}
func (s *HelloServer) SayHello(ctx context.Context, req *api.HelloReq) (*api.HelloResp, error) {
return &api.HelloResp{Result: fmt.Sprintf("Hey, %s!", req.GetName())}, nil
}
func (s *HelloServer) SayHelloStrict(ctx context.Context, req *api.HelloReq) (*api.HelloResp, error) {
if len(req.GetName()) >= 10 {
return nil, status.Errorf(codes.InvalidArgument,
"Length of `Name` cannot be more than 10 characters")
}
return &api.HelloResp{Result: fmt.Sprintf("Hey, %s!", req.GetName())}, nil
}
func Serve() {
addr := fmt.Sprintf(":%d", 50051)
conn, err := net.Listen("tcp", addr)
if err != nil {
log.Fatalf("Cannot listen to address %s", addr)
}
s := grpc.NewServer()
api.RegisterHelloServiceServer(s, &HelloServer{})
if err := s.Serve(conn); err != nil {
log.Fatalf("failed to serve: %v", err)
}
}
func main() {
Serve()
}