// ===========================================================================
// method definitions
// ===========================================================================
bool
TraCIServerAPI_Simulation::processGet(TraCIServer& server, tcpip::Storage& inputStorage,
tcpip::Storage& outputStorage) {
// variable & id
int variable = inputStorage.readUnsignedByte();
std::string id = inputStorage.readString();
// check variable
if (variable != VAR_TIME_STEP
&& variable != VAR_LOADED_VEHICLES_NUMBER && variable != VAR_LOADED_VEHICLES_IDS
&& variable != VAR_DEPARTED_VEHICLES_NUMBER && variable != VAR_DEPARTED_VEHICLES_IDS
&& variable != VAR_TELEPORT_STARTING_VEHICLES_NUMBER && variable != VAR_TELEPORT_STARTING_VEHICLES_IDS
&& variable != VAR_TELEPORT_ENDING_VEHICLES_NUMBER && variable != VAR_TELEPORT_ENDING_VEHICLES_IDS
&& variable != VAR_ARRIVED_VEHICLES_NUMBER && variable != VAR_ARRIVED_VEHICLES_IDS
&& variable != VAR_DELTA_T && variable != VAR_NET_BOUNDING_BOX
&& variable != VAR_MIN_EXPECTED_VEHICLES
&& variable != POSITION_CONVERSION && variable != DISTANCE_REQUEST
&& variable != VAR_BUS_STOP_WAITING
&& variable != VAR_PARKING_STARTING_VEHICLES_NUMBER && variable != VAR_PARKING_STARTING_VEHICLES_IDS
&& variable != VAR_PARKING_ENDING_VEHICLES_NUMBER && variable != VAR_PARKING_ENDING_VEHICLES_IDS
&& variable != VAR_STOP_STARTING_VEHICLES_NUMBER && variable != VAR_STOP_STARTING_VEHICLES_IDS
&& variable != VAR_STOP_ENDING_VEHICLES_NUMBER && variable != VAR_STOP_ENDING_VEHICLES_IDS
) {
return server.writeErrorStatusCmd(CMD_GET_SIM_VARIABLE, "Get Simulation Variable: unsupported variable specified", outputStorage);
}
// begin response building
tcpip::Storage tempMsg;
// response-code, variableID, objectID
tempMsg.writeUnsignedByte(RESPONSE_GET_SIM_VARIABLE);
tempMsg.writeUnsignedByte(variable);
tempMsg.writeString(id);
// process request
switch (variable) {
case VAR_TIME_STEP:
tempMsg.writeUnsignedByte(TYPE_INTEGER);
tempMsg.writeInt(MSNet::getInstance()->getCurrentTimeStep());
break;
case VAR_LOADED_VEHICLES_NUMBER:
writeVehicleStateNumber(server, tempMsg, MSNet::VEHICLE_STATE_BUILT);
break;
case VAR_LOADED_VEHICLES_IDS: {
const std::vector<std::string>& ids = server.getVehicleStateChanges().find(MSNet::VEHICLE_STATE_BUILT)->second;
tempMsg.writeUnsignedByte(TYPE_STRINGLIST);
tempMsg.writeStringList(ids);
}
break;
case VAR_DEPARTED_VEHICLES_NUMBER:
writeVehicleStateNumber(server, tempMsg, MSNet::VEHICLE_STATE_DEPARTED);
break;
case VAR_DEPARTED_VEHICLES_IDS:
writeVehicleStateIDs(server, tempMsg, MSNet::VEHICLE_STATE_DEPARTED);
break;
case VAR_TELEPORT_STARTING_VEHICLES_NUMBER:
writeVehicleStateNumber(server, tempMsg, MSNet::VEHICLE_STATE_STARTING_TELEPORT);
break;
case VAR_TELEPORT_STARTING_VEHICLES_IDS:
writeVehicleStateIDs(server, tempMsg, MSNet::VEHICLE_STATE_STARTING_TELEPORT);
break;
case VAR_TELEPORT_ENDING_VEHICLES_NUMBER:
writeVehicleStateNumber(server, tempMsg, MSNet::VEHICLE_STATE_ENDING_TELEPORT);
break;
case VAR_TELEPORT_ENDING_VEHICLES_IDS:
writeVehicleStateIDs(server, tempMsg, MSNet::VEHICLE_STATE_ENDING_TELEPORT);
break;
case VAR_ARRIVED_VEHICLES_NUMBER:
writeVehicleStateNumber(server, tempMsg, MSNet::VEHICLE_STATE_ARRIVED);
break;
case VAR_ARRIVED_VEHICLES_IDS:
writeVehicleStateIDs(server, tempMsg, MSNet::VEHICLE_STATE_ARRIVED);
break;
case VAR_PARKING_STARTING_VEHICLES_NUMBER:
writeVehicleStateNumber(server, tempMsg, MSNet::VEHICLE_STATE_STARTING_PARKING);
break;
case VAR_PARKING_STARTING_VEHICLES_IDS:
writeVehicleStateIDs(server, tempMsg, MSNet::VEHICLE_STATE_STARTING_PARKING);
break;
case VAR_PARKING_ENDING_VEHICLES_NUMBER:
writeVehicleStateNumber(server, tempMsg, MSNet::VEHICLE_STATE_ENDING_PARKING);
break;
case VAR_PARKING_ENDING_VEHICLES_IDS:
writeVehicleStateIDs(server, tempMsg, MSNet::VEHICLE_STATE_ENDING_PARKING);
break;
case VAR_STOP_STARTING_VEHICLES_NUMBER:
writeVehicleStateNumber(server, tempMsg, MSNet::VEHICLE_STATE_STARTING_STOP);
break;
case VAR_STOP_STARTING_VEHICLES_IDS:
writeVehicleStateIDs(server, tempMsg, MSNet::VEHICLE_STATE_STARTING_STOP);
break;
case VAR_STOP_ENDING_VEHICLES_NUMBER:
writeVehicleStateNumber(server, tempMsg, MSNet::VEHICLE_STATE_ENDING_STOP);
break;
case VAR_STOP_ENDING_VEHICLES_IDS:
writeVehicleStateIDs(server, tempMsg, MSNet::VEHICLE_STATE_ENDING_STOP);
break;
case VAR_DELTA_T:
tempMsg.writeUnsignedByte(TYPE_INTEGER);
tempMsg.writeInt(DELTA_T);
break;
case VAR_NET_BOUNDING_BOX: {
tempMsg.writeUnsignedByte(TYPE_BOUNDINGBOX);
Boundary b = GeoConvHelper::getFinal().getConvBoundary();
tempMsg.writeDouble(b.xmin());
tempMsg.writeDouble(b.ymin());
tempMsg.writeDouble(b.xmax());
tempMsg.writeDouble(b.ymax());
break;
}
break;
case VAR_MIN_EXPECTED_VEHICLES:
tempMsg.writeUnsignedByte(TYPE_INTEGER);
tempMsg.writeInt(MSNet::getInstance()->getVehicleControl().getActiveVehicleCount() + MSNet::getInstance()->getInsertionControl().getPendingFlowCount());
break;
case POSITION_CONVERSION:
if (inputStorage.readUnsignedByte() != TYPE_COMPOUND) {
return server.writeErrorStatusCmd(CMD_GET_SIM_VARIABLE, "Position conversion requires a compound object.", outputStorage);
}
if (inputStorage.readInt() != 2) {
return server.writeErrorStatusCmd(CMD_GET_SIM_VARIABLE, "Position conversion requires a source position and a position type as parameter.", outputStorage);
}
if (!commandPositionConversion(server, inputStorage, tempMsg, CMD_GET_SIM_VARIABLE)) {
return false;
}
break;
case DISTANCE_REQUEST:
if (inputStorage.readUnsignedByte() != TYPE_COMPOUND) {
return server.writeErrorStatusCmd(CMD_GET_SIM_VARIABLE, "Retrieval of distance requires a compound object.", outputStorage);
}
if (inputStorage.readInt() != 3) {
return server.writeErrorStatusCmd(CMD_GET_SIM_VARIABLE, "Retrieval of distance requires two positions and a distance type as parameter.", outputStorage);
}
if (!commandDistanceRequest(server, inputStorage, tempMsg, CMD_GET_SIM_VARIABLE)) {
return false;
}
break;
case VAR_BUS_STOP_WAITING: {
std::string id;
if (!server.readTypeCheckingString(inputStorage, id)) {
return server.writeErrorStatusCmd(CMD_GET_SIM_VARIABLE, "Retrieval of persons at busstop requires a string.", outputStorage);
}
MSBusStop* s = MSNet::getInstance()->getBusStop(id);
if (s == 0) {
return server.writeErrorStatusCmd(CMD_GET_SIM_VARIABLE, "Unknown bus stop '" + id + "'.", outputStorage);
}
tempMsg.writeUnsignedByte(TYPE_INTEGER);
tempMsg.writeInt(s->getPersonNumber());
break;
}
default:
break;
}
server.writeStatusCmd(CMD_GET_SIM_VARIABLE, RTYPE_OK, "", outputStorage);
server.writeResponseWithLength(outputStorage, tempMsg);
return true;
}
