internal protected virtual void OnEdgeContextSubscription(ContextSubscriptionEventArgs eventArgs)
{
EdgeContextSubscription?.Invoke(this, eventArgs);
}
internal protected virtual void OnPOIContextSubscription(ContextSubscriptionEventArgs eventArgs)
{
PointOfInterestContextSubscription?.Invoke(this, eventArgs);
}
internal protected virtual void OnInductionLoopContextSubscription(ContextSubscriptionEventArgs eventArgs)
{
InductionLoopContextSubscription?.Invoke(this, eventArgs);
}
/// <summary>
/// Instruct SUMO to execute a single simulation step
/// Note: the size of the step is set via the relevant .sumcfg file
/// </summary>
/// <param name="targetTime">If this is not 0, SUMO will run until target time is reached</param>
public TraCIResponse <object> SimStep(double targetTime = 0)
{
var command = new TraCICommand
{
Identifier = TraCIConstants.CMD_SIMSTEP,
Contents = TraCIDataConverter.GetTraCIBytesFromDouble(targetTime)
};
var response = Client.SendMessage(command);
var tmp = TraCIDataConverter.ExtractDataFromResponse <object>(response, TraCIConstants.CMD_SIMSTEP);
if (tmp.Content != null)
{
var listOfSubscriptions = tmp.Content as List <TraCISubscriptionResponse>;
foreach (var item in listOfSubscriptions)
{
bool isVariableSubscription = true;
SubscriptionEventArgs eventArgs;
// subscription can only be Variable or Context Subrciption. If it isnt the first then it is the latter
var subscription = item as TraCIVariableSubscriptionResponse;
if (subscription != null)
{
eventArgs = new VariableSubscriptionEventArgs(
item.ObjectId,
item.VariableCount,
subscription.ResponseByVariableCode
);
isVariableSubscription = true;
}
else
{
var i = (item as TraCIContextSubscriptionResponse);
eventArgs = new ContextSubscriptionEventArgs
(
i.ObjectId,
i.VariableSubscriptionByObjectId,
i.ContextDomain,
i.VariableCount,
i.ObjectCount
);
isVariableSubscription = false;
}
eventArgs.Responses = item.Responses;
switch (item.ResponseCode)
{
case TraCIConstants.RESPONSE_SUBSCRIBE_INDUCTIONLOOP_VARIABLE:
Client.OnInductionLoopSubscription(eventArgs);
break;
case TraCIConstants.RESPONSE_SUBSCRIBE_MULTIENTRYEXIT_VARIABLE:
Client.OnMultiEntryExitSubscription(eventArgs);
break;
case TraCIConstants.RESPONSE_SUBSCRIBE_TL_VARIABLE:
Client.OnTrafficLightSubscription(eventArgs);
break;
case TraCIConstants.RESPONSE_SUBSCRIBE_LANE_VARIABLE:
Client.OnLaneSubscription(eventArgs);
break;
case TraCIConstants.RESPONSE_SUBSCRIBE_VEHICLE_VARIABLE:
Client.OnVehicleSubscription(eventArgs);
break;
case TraCIConstants.RESPONSE_SUBSCRIBE_VEHICLETYPE_VARIABLE:
Client.OnVehicleTypeSubscription(eventArgs);
break;
case TraCIConstants.RESPONSE_SUBSCRIBE_ROUTE_VARIABLE:
Client.OnRouteSubscription(eventArgs);
break;
case TraCIConstants.RESPONSE_SUBSCRIBE_POI_VARIABLE:
Client.OnPOISubscription(eventArgs);
break;
case TraCIConstants.RESPONSE_SUBSCRIBE_POLYGON_VARIABLE:
Client.OnPolygonSubscription(eventArgs);
break;
case TraCIConstants.RESPONSE_SUBSCRIBE_JUNCTION_VARIABLE:
Client.OnJunctionSubscription(eventArgs);
break;
case TraCIConstants.RESPONSE_SUBSCRIBE_EDGE_VARIABLE:
Client.OnEdgeSubscription(eventArgs);
break;
case TraCIConstants.RESPONSE_SUBSCRIBE_SIM_VARIABLE:
Client.OnSimulationSubscription(eventArgs);
break;
case TraCIConstants.RESPONSE_SUBSCRIBE_GUI_VARIABLE:
Client.OnGUISubscription(eventArgs);
break;
case TraCIConstants.RESPONSE_SUBSCRIBE_LANEAREA_VARIABLE:
Client.OnLaneAreaSubscription(eventArgs);
break;
case TraCIConstants.RESPONSE_SUBSCRIBE_PERSON_VARIABLE:
Client.OnPersonSubscription(eventArgs);
break;
case TraCIConstants.RESPONSE_SUBSCRIBE_INDUCTIONLOOP_CONTEXT:
Client.OnInductionLoopContextSubscription(eventArgs as ContextSubscriptionEventArgs);
break;
case TraCIConstants.RESPONSE_SUBSCRIBE_LANE_CONTEXT:
Client.OnLaneContextSubscription(eventArgs as ContextSubscriptionEventArgs);
break;
case TraCIConstants.RESPONSE_SUBSCRIBE_VEHICLE_CONTEXT:
Client.OnVehicleContextSubscription(eventArgs as ContextSubscriptionEventArgs);
break;
case TraCIConstants.RESPONSE_SUBSCRIBE_POI_CONTEXT:
Client.OnPOIContextSubscription(eventArgs as ContextSubscriptionEventArgs);
break;
case TraCIConstants.RESPONSE_SUBSCRIBE_POLYGON_CONTEXT:
Client.OnPolygonContextSubscription(eventArgs as ContextSubscriptionEventArgs);
break;
case TraCIConstants.RESPONSE_SUBSCRIBE_JUNCTION_CONTEXT:
Client.OnJunctionContextSubscription(eventArgs as ContextSubscriptionEventArgs);
break;
case TraCIConstants.RESPONSE_SUBSCRIBE_EDGE_CONTEXT:
Client.OnEdgeContextSubscription(eventArgs as ContextSubscriptionEventArgs);
break;
default:
throw new ArgumentOutOfRangeException();
}
}
}
return(tmp);
}
private static void Client_VehicleContextSubscriptionUsingResponses(object sender, ContextSubscriptionEventArgs e)
{
Console.WriteLine("*** Vehicle Context Subscription using responses ***");
Console.WriteLine("EGO Object id : " + e.ObjectId);
Console.WriteLine("Context Domain : " + ByteToHex(e.ContextDomain));
Console.WriteLine("Variable Count : " + e.VariableCount);
Console.WriteLine("Number of objects in range : " + e.ObjectCount);
Console.WriteLine("Objects inside Context Range:");
foreach (var r in e.Responses) /* Responses are TraCIVariableSubscriptionResponse */
{
var variableSubscriptionResponse = r as TraCIVariableSubscriptionResponse;
var vehicleID = variableSubscriptionResponse.ObjectId;
Console.WriteLine(" Object id: " + vehicleID);
foreach (var response in variableSubscriptionResponse.Responses)
{
var variableResponse = ((IResponseInfo)response);
var variableCode = variableResponse.Variable;
switch (variableCode)
{
case TraCIConstants.VAR_SPEED: // Returns the speed of the named vehicle within the last step [m/s]; error value: -2^30
Console.WriteLine(" VAR_SPEED " + ((TraCIResponse <double>)response).Content);
break;
case TraCIConstants.VAR_ANGLE: // Returns the angle of the named vehicle within the last step [°]; error value: -2^30
Console.WriteLine(" VAR_ANGLE " + ((TraCIResponse <double>)variableResponse).Content);
break;
case TraCIConstants.VAR_ROUTE_ID:
Console.WriteLine(" VAR_ROUTE_ID " + ((TraCIResponse <string>)variableResponse).Content);
break;
default:
/* Intentionaly ommit VAR_ACCEL*/
Console.WriteLine($" Variable with code {ByteToHex(variableCode)} not handled ");
break;
}
}
}
}
private static void Client_VehicleContextSubscriptionUsingDictionary(object sender, ContextSubscriptionEventArgs e)
{
Console.WriteLine("*** Vehicle Context Subscription using Dictionaries ***");
Console.WriteLine("EGO Object id : " + e.ObjectId);
Console.WriteLine("Context Domain : " + ByteToHex(e.ContextDomain));
Console.WriteLine("Variable Count : " + e.VariableCount);
Console.WriteLine("Number of objects in range : " + e.ObjectCount);
var egoObjectID = e.ObjectId;
Console.WriteLine("EGO Object " + " id: " + egoObjectID);
Console.WriteLine("Iterating responses...");
Console.WriteLine("Objects inside Context Range:");
foreach (var r in e.Responses) /* Responses are TraCIVariableSubscriptionResponse */
{
var variableSubscriptionResponse = r as TraCIVariableSubscriptionResponse;
var vehicleID = variableSubscriptionResponse.ObjectId;
Console.WriteLine(" Object id: " + vehicleID);
Console.WriteLine(" VAR_SPEED " +
(variableSubscriptionResponse.ResponseByVariableCode[TraCIConstants.VAR_SPEED]).GetContentAs <float>());
Console.WriteLine(" VAR_ACCEL " +
(variableSubscriptionResponse.ResponseByVariableCode[TraCIConstants.VAR_ACCEL]).GetContentAs <float>());
Console.WriteLine(" VAR_ANGLE " +
/* We can also use TraCIResult<> (). Warning using TraCIResponse<> we must use the exact type (i.e for angle is double) */
(variableSubscriptionResponse.ResponseByVariableCode[TraCIConstants.VAR_ANGLE] as TraCIResponse <double>).Content);
Console.WriteLine(" VAR_ROUTE " +
(variableSubscriptionResponse.ResponseByVariableCode[TraCIConstants.VAR_ROUTE_ID]).GetContentAs <string>());
}
//We can also get TraCIVariableSubscriptionResponse by objectID
Console.WriteLine("Iterating objectIds of dictionary with objects inside context range:" +
"\n Printing VAR_SPEED for demonstration");
foreach (var id in e.VariableSubscriptionByObjectId.Keys)
{
Console.WriteLine(" Object inside ego object range id: " + id);
var varResp = e.VariableSubscriptionByObjectId[id];
/* We can handle variable responses like before either iterating responses or
* by using value by variable type */
//*Printing VAR_SPEED just for demostration
Console.WriteLine(" VAR_SPEED" + varResp.ResponseByVariableCode[TraCIConstants.VAR_SPEED].GetContentAs <float>());
}
}