Implements Gateway for car controls

simulator/simulator.go.go

@@ -1,6 +1,6 @@
 package simulator
 
-type SimulatorMsg struct {
+type TelemetryMsg struct {
 	MsgType       string  `json:"msg_type"`
 	SteeringAngle float64 `json:"steering_angle"`
 	Throttle      float64 `json:"throttle"`
@@ -13,3 +13,11 @@ type SimulatorMsg struct {
 	Time          float64 `json:"time"`
 	Cte           float64 `json:"cte"`
 }
+
+/* Json msg used to control cars. MsgType must be filled with "control" */
+type ControlMsg struct {
+	MsgType  string  `json:"msg_type"`
+	Steering float32 `json:"steering"`
+	Throttle float32 `json:"throttle"`
+	Brake    float32 `json:"brake"`
+}