Created
October 11, 2016 08:20
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A gRPC server
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package main | |
import ( | |
"log" | |
"net" | |
"strings" | |
"golang.org/x/net/context" | |
"google.golang.org/grpc" | |
pb "github.com/shijuvar/go-recipes/grpc/customer" | |
) | |
const ( | |
port = ":50051" | |
) | |
// server is used to implement customer.CustomerServer. | |
type server struct { | |
savedCustomers []*pb.CustomerRequest | |
} | |
// CreateCustomer creates a new Customer | |
func (s *server) CreateCustomer(ctx context.Context, in *pb.CustomerRequest) (*pb.CustomerResponse, error) { | |
s.savedCustomers = append(s.savedCustomers, in) | |
return &pb.CustomerResponse{Id: in.Id, Success: true}, nil | |
} | |
// GetCustomers returns all customers by given filter | |
func (s *server) GetCustomers(filter *pb.CustomerFilter, stream pb.Customer_GetCustomersServer) error { | |
for _, customer := range s.savedCustomers { | |
if filter.Keyword != "" { | |
if !strings.Contains(customer.Name, filter.Keyword) { | |
continue | |
} | |
} | |
if err := stream.Send(customer); err != nil { | |
return err | |
} | |
} | |
return nil | |
} | |
func main() { | |
lis, err := net.Listen("tcp", port) | |
if err != nil { | |
log.Fatalf("failed to listen: %v", err) | |
} | |
// Creates a new gRPC server | |
s := grpc.NewServer() | |
pb.RegisterCustomerServer(s, &server{}) | |
s.Serve(lis) | |
} |
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