package entity import ( "context" "fmt" "grpccanary/examples/grpcentity/protoapi" "math/rand" "time" "google.golang.org/grpc" "google.golang.org/grpc/credentials/insecure" ) func AskingDateTime(ctx context.Context, m protoapi.IoTServiceClient) (*protoapi.DateTime, error) { request := &protoapi.RequestDateTime{ Value: "Please send me the date and time", } return m.GetDate(ctx, request) } func AskPass(ctx context.Context, m protoapi.IoTServiceClient, seed int64, length int64) (*protoapi.RandomPass, error) { request := &protoapi.RequestPass{ Seed: seed, Length: length, } return m.GetRandomPass(ctx, request) } func AskUpdateSensingData(ctx context.Context, m protoapi.IoTServiceClient, deviceId string, temp float64, humid float64) (*protoapi.SensingResponse, error) { request := &protoapi.SensingData{ DeviceId: deviceId, Temperature: temp, Humidity: humid, } return m.UpdateSensingData(ctx, request) } func ClientRun(addr string) { conn, err := grpc.Dial(addr, grpc.WithTransportCredentials(insecure.NewCredentials())) if err != nil { fmt.Println("Dial:", err) return } client := protoapi.NewIoTServiceClient(conn) r, err := AskingDateTime(context.Background(), client) if err != nil { fmt.Println(err) return } fmt.Println("Server Date and Time:", r.Value) rand.Seed(time.Now().Unix()) length := int64(rand.Intn(20)) p, err := AskPass(context.Background(), client, 100, length+1) if err != nil { fmt.Println(err) return } fmt.Println("Random Password:", p.Password) res, err := AskUpdateSensingData(context.Background(), client, "sensor-room-01", 24.5, 52.3) if err != nil { fmt.Println(err) return } fmt.Println("Sensing Update Success:", res.Success) fmt.Println("Sensing Update Message:", res.Message) }