C++ Storage::readString方法代码示例

void Query::ReadGetResponse(tcpip::Storage & content) {
	int position = 0;
	int length2 = 0;
	int extLength = 0;
	int length = 0;
	int commandId = 0;
	int varId = 0;
	string objectId = "";
	int variableType = 0;
	try {
		position = content.position();
		length2 = content.size();
		extLength = content.readUnsignedByte();
		if (extLength == 0) {
			length = content.readInt();
		}
		commandId = content.readUnsignedByte();
		varId = content.readUnsignedByte();
		objectId = content.readString();
		variableType = content.readUnsignedByte();
		int listLen = 0;
		int count = 0;
		switch (variableType) {
		case TYPE_STRING:
			stringValue = content.readString();
			break;
		case TYPE_INTEGER:
			intValue = content.readInt();
			break;
		case TYPE_DOUBLE:
			doubleValue = content.readDouble();
			break;
		case TYPE_STRINGLIST:
			listLen = content.readInt();
			stringListValue.clear();
			for (int i=0; i<listLen; i++) {
				stringListValue.push_back(content.readString());
			}
			break;
		case POSITION_2D:
			positionValue.x = content.readDouble();
			positionValue.y = content.readDouble();
			break;
		case TYPE_BOUNDINGBOX:
			count = content.size()/sizeof(double);
			for (int i = 0; i < count-1; i++) {
				vectorValue.push_back(content.readDouble());
			}
			break;
		default:
			break;
		}
	}
	catch (exception & ex) {
			cout << "can't read response for object " << objectId << ex.what() << endl;
			cout<<position<<" "<<length2 << " "<<extLength<<" "<<length<<" "<<commandId<<" "<<varId<<" "<<objectId<<" "<<variableType<< "\n";
		}
}

bool
SUMO_CLIENT::validateSubscription(tcpip::Storage& inMsg) {
  try {
    int length = inMsg.readUnsignedByte();
    if (length == 0) {
      length = inMsg.readInt();
    }
    int cmdId = inMsg.readUnsignedByte();
    if (cmdId >= RESPONSE_SUBSCRIBE_INDUCTIONLOOP_VARIABLE && cmdId <= RESPONSE_SUBSCRIBE_GUI_VARIABLE) {
      answerLog << "  CommandID=" << cmdId;
      answerLog << "  ObjectID=" << inMsg.readString();
      unsigned int varNo = inMsg.readUnsignedByte();
      answerLog << "  #variables=" << varNo << std::endl;
      for (unsigned int i = 0; i < varNo; ++i) {
	answerLog << "      VariableID=" << inMsg.readUnsignedByte();
	bool ok = inMsg.readUnsignedByte() == RTYPE_OK;
	answerLog << "      ok=" << ok;
	int valueDataType = inMsg.readUnsignedByte();
	answerLog << " valueDataType=" << valueDataType;
	readAndReportTypeDependent(inMsg, valueDataType);
      }
    } else if (cmdId >= RESPONSE_SUBSCRIBE_INDUCTIONLOOP_CONTEXT && cmdId <= RESPONSE_SUBSCRIBE_GUI_CONTEXT) {
      answerLog << "  CommandID=" << cmdId;
      answerLog << "  ObjectID=" << inMsg.readString();
      answerLog << "  Domain=" << inMsg.readUnsignedByte();
      unsigned int varNo = inMsg.readUnsignedByte();
      answerLog << "  #variables=" << varNo << std::endl;
      unsigned int objNo = inMsg.readInt();
      answerLog << "  #objects=" << objNo << std::endl;
      for (unsigned int j = 0; j < objNo; ++j) {
	answerLog << "   ObjectID=" << inMsg.readString() << std::endl;
	for (unsigned int i = 0; i < varNo; ++i) {
	  answerLog << "      VariableID=" << inMsg.readUnsignedByte();
	  bool ok = inMsg.readUnsignedByte() == RTYPE_OK;
	  answerLog << "      ok=" << ok;
	  int valueDataType = inMsg.readUnsignedByte();
	  answerLog << " valueDataType=" << valueDataType;
	  readAndReportTypeDependent(inMsg, valueDataType);
	}
      }
    } else {
      answerLog << "#Error: received response with command id: " << cmdId << " but expected a subscription response (0xe0-0xef / 0x90-0x9f)" << std::endl;
      return false;
    }
  } catch (std::invalid_argument& e) {
    answerLog << "#Error while reading message:" << e.what() << std::endl;
    return false;
  }
  return true;
}

// ===========================================================================
// method definitions
// ===========================================================================
bool
TraCIServerAPI_POI::processGet(TraCIServer& server, tcpip::Storage& inputStorage,
                               tcpip::Storage& outputStorage) {
    const int variable = inputStorage.readUnsignedByte();
    const std::string id = inputStorage.readString();
    server.initWrapper(libsumo::RESPONSE_GET_POI_VARIABLE, variable, id);
    try {
        if (!libsumo::POI::handleVariable(id, variable, &server)) {
            switch (variable) {
                case libsumo::VAR_PARAMETER: {
                    std::string paramName = "";
                    if (!server.readTypeCheckingString(inputStorage, paramName)) {
                        return server.writeErrorStatusCmd(libsumo::CMD_GET_POI_VARIABLE, "Retrieval of a parameter requires its name.", outputStorage);
                    }
                    server.getWrapperStorage().writeUnsignedByte(libsumo::TYPE_STRING);
                    server.getWrapperStorage().writeString(libsumo::POI::getParameter(id, paramName));
                    break;
                }
                default:
                    return server.writeErrorStatusCmd(libsumo::CMD_GET_POI_VARIABLE, "Get PoI Variable: unsupported variable " + toHex(variable, 2) + " specified", outputStorage);
            }
        }
    } catch (libsumo::TraCIException& e) {
        return server.writeErrorStatusCmd(libsumo::CMD_GET_POI_VARIABLE, e.what(), outputStorage);
    }
    server.writeStatusCmd(libsumo::CMD_GET_POI_VARIABLE, libsumo::RTYPE_OK, "", outputStorage);
    server.writeResponseWithLength(outputStorage, server.getWrapperStorage());
    return true;
}

// ===========================================================================
// method definitions
// ===========================================================================
bool
TraCIServerAPI_GUI::processGet(TraCIServer& server, tcpip::Storage& inputStorage,
                               tcpip::Storage& outputStorage) {
    // variable & id
    int variable = inputStorage.readUnsignedByte();
    std::string id = inputStorage.readString();
    // check variable
    if (variable != ID_LIST && variable != VAR_VIEW_ZOOM && variable != VAR_VIEW_OFFSET
            && variable != VAR_VIEW_SCHEMA && variable != VAR_VIEW_BOUNDARY) {
        return server.writeErrorStatusCmd(CMD_GET_GUI_VARIABLE, "Get GUI Variable: unsupported variable specified", outputStorage);
    }
    // begin response building
    tcpip::Storage tempMsg;
    //  response-code, variableID, objectID
    tempMsg.writeUnsignedByte(RESPONSE_GET_GUI_VARIABLE);
    tempMsg.writeUnsignedByte(variable);
    tempMsg.writeString(id);
    // process request
    if (variable == ID_LIST) {
        std::vector<std::string> ids = getMainWindow()->getViewIDs();
        tempMsg.writeUnsignedByte(TYPE_STRINGLIST);
        tempMsg.writeStringList(ids);
    } else {
        GUISUMOAbstractView* v = getNamedView(id);
        if (v == 0) {
            return server.writeErrorStatusCmd(CMD_GET_GUI_VARIABLE, "View '" + id + "' is not known", outputStorage);
        }
        switch (variable) {
            case VAR_VIEW_ZOOM:
                tempMsg.writeUnsignedByte(TYPE_DOUBLE);
                tempMsg.writeDouble(v->getChanger().getZoom());
                break;
            case VAR_VIEW_OFFSET:
                tempMsg.writeUnsignedByte(POSITION_2D);
                tempMsg.writeDouble(v->getChanger().getXPos());
                tempMsg.writeDouble(v->getChanger().getYPos());
                break;
            case VAR_VIEW_SCHEMA: {
                FXComboBox& c = v->getColoringSchemesCombo();
                tempMsg.writeUnsignedByte(TYPE_STRING);
                tempMsg.writeString((std::string)c.getItem(c.getCurrentItem()).text());
                break;
            }
            case VAR_VIEW_BOUNDARY: {
                tempMsg.writeUnsignedByte(TYPE_BOUNDINGBOX);
                Boundary b = v->getVisibleBoundary();
                tempMsg.writeDouble(b.xmin());
                tempMsg.writeDouble(b.ymin());
                tempMsg.writeDouble(b.xmax());
                tempMsg.writeDouble(b.ymax());
                break;
            }
            default:
                break;
        }
    }
    server.writeStatusCmd(CMD_GET_GUI_VARIABLE, RTYPE_OK, "", outputStorage);
    server.writeResponseWithLength(outputStorage, tempMsg);
    return true;
}

bool
TraCIServerAPI_VehicleType::processSet(TraCIServer& server, tcpip::Storage& inputStorage,
                                       tcpip::Storage& outputStorage) {
    std::string warning = ""; // additional description for response
    // variable
    int variable = inputStorage.readUnsignedByte();
    if (variable != VAR_LENGTH && variable != VAR_MAXSPEED && variable != VAR_VEHICLECLASS
            && variable != VAR_SPEED_FACTOR && variable != VAR_SPEED_DEVIATION && variable != VAR_EMISSIONCLASS
            && variable != VAR_WIDTH && variable != VAR_MINGAP && variable != VAR_SHAPECLASS
            && variable != VAR_ACCEL && variable != VAR_DECEL && variable != VAR_IMPERFECTION
            && variable != VAR_TAU && variable != VAR_COLOR
       ) {
        server.writeStatusCmd(CMD_SET_VEHICLETYPE_VARIABLE, RTYPE_ERR, "Change Vehicle Type State: unsupported variable specified", outputStorage);
        return false;
    }
    // id
    std::string id = inputStorage.readString();
    MSVehicleType* v = MSNet::getInstance()->getVehicleControl().getVType(id);
    if (v == 0) {
        server.writeStatusCmd(CMD_SET_VEHICLETYPE_VARIABLE, RTYPE_ERR, "Vehicle type '" + id + "' is not known", outputStorage);
        return false;
    }
    // process
    try {
        if (setVariable(CMD_SET_VEHICLETYPE_VARIABLE, variable, inputStorage.readUnsignedByte(),
                        *v, server, inputStorage, outputStorage)) {
            server.writeStatusCmd(CMD_SET_VEHICLETYPE_VARIABLE, RTYPE_OK, warning, outputStorage);
            return true;
        }
    } catch (ProcessError& e) {
        server.writeStatusCmd(CMD_SET_VEHICLETYPE_VARIABLE, RTYPE_ERR, e.what(), outputStorage);
    }
    return false;
}

bool
TraCIServer::readTypeCheckingString(tcpip::Storage& inputStorage, std::string& into) {
    if (inputStorage.readUnsignedByte() != TYPE_STRING) {
        return false;
    }
    into = inputStorage.readString();
    return true;
}

// ===========================================================================
// method definitions
// ===========================================================================
bool
TraCIServerAPI_POI::processGet(TraCIServer& server, tcpip::Storage& inputStorage,
                               tcpip::Storage& outputStorage) {
    // variable & id
    int variable = inputStorage.readUnsignedByte();
    std::string id = inputStorage.readString();
    // check variable
    if (variable != ID_LIST && variable != VAR_TYPE && variable != VAR_COLOR && variable != VAR_POSITION && variable != ID_COUNT) {
        return server.writeErrorStatusCmd(CMD_GET_POI_VARIABLE, "Get PoI Variable: unsupported variable specified", outputStorage);
    }
    // begin response building
    tcpip::Storage tempMsg;
    //  response-code, variableID, objectID
    tempMsg.writeUnsignedByte(RESPONSE_GET_POI_VARIABLE);
    tempMsg.writeUnsignedByte(variable);
    tempMsg.writeString(id);
    // process request
    if (variable == ID_LIST || variable == ID_COUNT) {
        std::vector<std::string> ids;
        ShapeContainer& shapeCont = MSNet::getInstance()->getShapeContainer();
        shapeCont.getPOIs().insertIDs(ids);
        if (variable == ID_LIST) {
            tempMsg.writeUnsignedByte(TYPE_STRINGLIST);
            tempMsg.writeStringList(ids);
        } else {
            tempMsg.writeUnsignedByte(TYPE_INTEGER);
            tempMsg.writeInt((int) ids.size());
        }
    } else {
        PointOfInterest* p = getPoI(id);
        if (p == 0) {
            return server.writeErrorStatusCmd(CMD_GET_POI_VARIABLE, "POI '" + id + "' is not known", outputStorage);
        }
        switch (variable) {
            case VAR_TYPE:
                tempMsg.writeUnsignedByte(TYPE_STRING);
                tempMsg.writeString(p->getType());
                break;
            case VAR_COLOR:
                tempMsg.writeUnsignedByte(TYPE_COLOR);
                tempMsg.writeUnsignedByte(p->getColor().red());
                tempMsg.writeUnsignedByte(p->getColor().green());
                tempMsg.writeUnsignedByte(p->getColor().blue());
                tempMsg.writeUnsignedByte(p->getColor().alpha());
                break;
            case VAR_POSITION:
                tempMsg.writeUnsignedByte(POSITION_2D);
                tempMsg.writeDouble(p->x());
                tempMsg.writeDouble(p->y());
                break;
            default:
                break;
        }
    }
    server.writeStatusCmd(CMD_GET_POI_VARIABLE, RTYPE_OK, "", outputStorage);
    server.writeResponseWithLength(outputStorage, tempMsg);
    return true;
}

bool
TraCIServerAPI_Route::processSet(TraCIServer& server, tcpip::Storage& inputStorage,
                                 tcpip::Storage& outputStorage) {
    std::string warning = ""; // additional description for response
    // variable
    int variable = inputStorage.readUnsignedByte();
    if (variable != ADD) {
        server.writeStatusCmd(CMD_SET_ROUTE_VARIABLE, RTYPE_ERR, "Change Route State: unsupported variable specified", outputStorage);
        return false;
    }
    // id
    std::string id = inputStorage.readString();
    // process
    int valueDataType = inputStorage.readUnsignedByte();
    switch (variable) {
        case ADD: {
            if (valueDataType != TYPE_STRINGLIST) {
                server.writeStatusCmd(CMD_SET_ROUTE_VARIABLE, RTYPE_ERR, "A string list is needed for adding a new route.", outputStorage);
                return false;
            }
            //read itemNo
            int numEdges = inputStorage.readInt();
            MSEdgeVector edges;
            while (numEdges--) {
                std::string edgeID = inputStorage.readString();
                MSEdge* edge = MSEdge::dictionary(edgeID);
                if (edge == 0) {
                    server.writeStatusCmd(CMD_SET_ROUTE_VARIABLE, RTYPE_ERR, "Unknown edge '" + edgeID + "' in route.", outputStorage);
                    return false;
                }
                edges.push_back(edge);
            }
            const std::vector<SUMOVehicleParameter::Stop> stops;
            if (!MSRoute::dictionary(id, new MSRoute(id, edges, 1, 0, stops))) {
                server.writeStatusCmd(CMD_SET_ROUTE_VARIABLE, RTYPE_ERR, "Could not add route.", outputStorage);
                return false;
            }
        }
        break;
        default:
            break;
    }
    server.writeStatusCmd(CMD_SET_ROUTE_VARIABLE, RTYPE_OK, warning, outputStorage);
    return true;
}

bool
TraCIServerAPI_Lane::processSet(TraCIServer& server, tcpip::Storage& inputStorage,
                                tcpip::Storage& outputStorage) {
    std::string warning = ""; // additional description for response
    // variable
    int variable = inputStorage.readUnsignedByte();
    if (variable != VAR_MAXSPEED && variable != VAR_LENGTH && variable != LANE_ALLOWED && variable != LANE_DISALLOWED) {
        return server.writeErrorStatusCmd(CMD_SET_LANE_VARIABLE, "Change Lane State: unsupported variable specified", outputStorage);
    }
    // id
    std::string id = inputStorage.readString();
    MSLane* l = MSLane::dictionary(id);
    if (l == 0) {
        return server.writeErrorStatusCmd(CMD_SET_LANE_VARIABLE, "Lane '" + id + "' is not known", outputStorage);
    }
    // process
    switch (variable) {
        case VAR_MAXSPEED: {
            double value = 0;
            if (!server.readTypeCheckingDouble(inputStorage, value)) {
                return server.writeErrorStatusCmd(CMD_SET_LANE_VARIABLE, "The speed must be given as a double.", outputStorage);
            }
            l->setMaxSpeed(value);
        }
        break;
        case VAR_LENGTH: {
            double value = 0;
            if (!server.readTypeCheckingDouble(inputStorage, value)) {
                return server.writeErrorStatusCmd(CMD_SET_LANE_VARIABLE, "The length must be given as a double.", outputStorage);
            }
            l->setLength(value);
        }
        break;
        case LANE_ALLOWED: {
            std::vector<std::string> classes;
            if (!server.readTypeCheckingStringList(inputStorage, classes)) {
                return server.writeErrorStatusCmd(CMD_SET_LANE_VARIABLE, "Allowed classes must be given as a list of strings.", outputStorage);
            }
            l->setPermissions(parseVehicleClasses(classes));
            l->getEdge().rebuildAllowedLanes();
        }
        break;
        case LANE_DISALLOWED: {
            std::vector<std::string> classes;
            if (!server.readTypeCheckingStringList(inputStorage, classes)) {
                return server.writeErrorStatusCmd(CMD_SET_LANE_VARIABLE, "Not allowed classes must be given as a list of strings.", outputStorage);
            }
            l->setPermissions(~parseVehicleClasses(classes)); // negation yields allowed
            l->getEdge().rebuildAllowedLanes();
        }
        break;
        default:
            break;
    }
    server.writeStatusCmd(CMD_SET_LANE_VARIABLE, RTYPE_OK, warning, outputStorage);
    return true;
}

// ===========================================================================
// method definitions
// ===========================================================================
bool
TraCIServerAPI_Route::processGet(TraCIServer& server, tcpip::Storage& inputStorage,
                                 tcpip::Storage& outputStorage) {
    // variable & id
    int variable = inputStorage.readUnsignedByte();
    std::string id = inputStorage.readString();
    // check variable
    if (variable != ID_LIST && variable != VAR_EDGES && variable != ID_COUNT && variable != VAR_PARAMETER) {
        return server.writeErrorStatusCmd(CMD_GET_ROUTE_VARIABLE, "Get Route Variable: unsupported variable " + toHex(variable, 2) + " specified", outputStorage);
    }
    // begin response building
    tcpip::Storage tempMsg;
    //  response-code, variableID, objectID
    tempMsg.writeUnsignedByte(RESPONSE_GET_ROUTE_VARIABLE);
    tempMsg.writeUnsignedByte(variable);
    tempMsg.writeString(id);
    // process request
    if (variable == ID_LIST) {
        std::vector<std::string> ids;
        MSRoute::insertIDs(ids);
        tempMsg.writeUnsignedByte(TYPE_STRINGLIST);
        tempMsg.writeStringList(ids);
    } else if (variable == ID_COUNT) {
        std::vector<std::string> ids;
        MSRoute::insertIDs(ids);
        tempMsg.writeUnsignedByte(TYPE_INTEGER);
        tempMsg.writeInt((int) ids.size());
    } else {
        const MSRoute* r = MSRoute::dictionary(id);
        if (r == 0) {
            return server.writeErrorStatusCmd(CMD_GET_ROUTE_VARIABLE, "Route '" + id + "' is not known", outputStorage);
        }
        switch (variable) {
            case VAR_EDGES:
                tempMsg.writeUnsignedByte(TYPE_STRINGLIST);
                tempMsg.writeInt(r->size());
                for (MSRouteIterator i = r->begin(); i != r->end(); ++i) {
                    tempMsg.writeString((*i)->getID());
                }
                break;
            case VAR_PARAMETER: {
                std::string paramName = "";
                if (!server.readTypeCheckingString(inputStorage, paramName)) {
                    return server.writeErrorStatusCmd(CMD_GET_ROUTE_VARIABLE, "Retrieval of a parameter requires its name.", outputStorage);
                }
                tempMsg.writeUnsignedByte(TYPE_STRING);
                tempMsg.writeString(r->getParameter(paramName, ""));
            }
            break;
            default:
                break;
        }
    }
    server.writeStatusCmd(CMD_GET_ROUTE_VARIABLE, RTYPE_OK, "", outputStorage);
    server.writeResponseWithLength(outputStorage, tempMsg);
    return true;
}

// ===========================================================================
// method definitions
// ===========================================================================
bool
TraCIServerAPI_Junction::processGet(TraCIServer& server, tcpip::Storage& inputStorage,
                                    tcpip::Storage& outputStorage) {
    // variable
    int variable = inputStorage.readUnsignedByte();
    std::string id = inputStorage.readString();
    // check variable
    if (variable != ID_LIST && variable != VAR_POSITION && variable != ID_COUNT && variable != VAR_SHAPE) {
        return server.writeErrorStatusCmd(CMD_GET_JUNCTION_VARIABLE, "Get Junction Variable: unsupported variable specified", outputStorage);
    }
    // begin response building
    tcpip::Storage tempMsg;
    //  response-code, variableID, objectID
    tempMsg.writeUnsignedByte(RESPONSE_GET_JUNCTION_VARIABLE);
    tempMsg.writeUnsignedByte(variable);
    tempMsg.writeString(id);
    if (variable == ID_LIST) {
        std::vector<std::string> ids;
        MSNet::getInstance()->getJunctionControl().insertIDs(ids);
        tempMsg.writeUnsignedByte(TYPE_STRINGLIST);
        tempMsg.writeStringList(ids);
    } else if (variable == ID_COUNT) {
        std::vector<std::string> ids;
        MSNet::getInstance()->getJunctionControl().insertIDs(ids);
        tempMsg.writeUnsignedByte(TYPE_INTEGER);
        tempMsg.writeInt((int) ids.size());
    } else {
        MSJunction* j = MSNet::getInstance()->getJunctionControl().get(id);
        if (j == 0) {
            return server.writeErrorStatusCmd(CMD_GET_JUNCTION_VARIABLE, "Junction '" + id + "' is not known", outputStorage);
        }
        switch (variable) {
            case ID_LIST:
                break;
            case VAR_POSITION:
                tempMsg.writeUnsignedByte(POSITION_2D);
                tempMsg.writeDouble(j->getPosition().x());
                tempMsg.writeDouble(j->getPosition().y());
                break;
            case VAR_SHAPE:
                tempMsg.writeUnsignedByte(TYPE_POLYGON);
                tempMsg.writeUnsignedByte((int)MIN2(static_cast<size_t>(255), j->getShape().size()));
                for (unsigned int iPoint = 0; iPoint < MIN2(static_cast<size_t>(255), j->getShape().size()); ++iPoint) {
                    tempMsg.writeDouble(j->getShape()[iPoint].x());
                    tempMsg.writeDouble(j->getShape()[iPoint].y());
                }
                break;

            default:
                break;
        }
    }
    server.writeStatusCmd(CMD_GET_JUNCTION_VARIABLE, RTYPE_OK, "", outputStorage);
    server.writeResponseWithLength(outputStorage, tempMsg);
    return true;
}

// ===========================================================================
// method definitions
// ===========================================================================
bool
TraCIServerAPI_MultiEntryExit::processGet(TraCIServer& server, tcpip::Storage& inputStorage,
        tcpip::Storage& outputStorage) {
    const int variable = inputStorage.readUnsignedByte();
    const std::string id = inputStorage.readString();
    server.initWrapper(libsumo::RESPONSE_GET_MULTIENTRYEXIT_VARIABLE, variable, id);
    try {
        if (!libsumo::MultiEntryExit::handleVariable(id, variable, &server)) {
            return server.writeErrorStatusCmd(libsumo::CMD_GET_MULTIENTRYEXIT_VARIABLE, "Get Multi Entry Exit Detector Variable: unsupported variable " + toHex(variable, 2) + " specified", outputStorage);
        }
    } catch (libsumo::TraCIException& e) {
        return server.writeErrorStatusCmd(libsumo::CMD_GET_MULTIENTRYEXIT_VARIABLE, e.what(), outputStorage);
    }
    server.writeStatusCmd(libsumo::CMD_GET_MULTIENTRYEXIT_VARIABLE, libsumo::RTYPE_OK, "", outputStorage);
    server.writeResponseWithLength(outputStorage, server.getWrapperStorage());
    return true;
}

// ===========================================================================
// method definitions
// ===========================================================================
bool
TraCIServerAPI_VehicleType::processGet(TraCIServer& server, tcpip::Storage& inputStorage,
                                       tcpip::Storage& outputStorage) {
    std::string warning = ""; // additional description for response
    // variable & id
    int variable = inputStorage.readUnsignedByte();
    std::string id = inputStorage.readString();
    // check variable
    if (variable != ID_LIST && variable != VAR_LENGTH && variable != VAR_MAXSPEED && variable != VAR_ACCEL && variable != VAR_DECEL
            && variable != VAR_TAU && variable != VAR_VEHICLECLASS && variable != VAR_EMISSIONCLASS && variable != VAR_SHAPECLASS
            && variable != VAR_SPEED_FACTOR && variable != VAR_SPEED_DEVIATION && variable != VAR_IMPERFECTION
            && variable != VAR_MINGAP && variable != VAR_WIDTH && variable != VAR_COLOR && variable != ID_COUNT) {
        server.writeStatusCmd(CMD_GET_VEHICLETYPE_VARIABLE, RTYPE_ERR, "Get Vehicle Type Variable: unsupported variable specified", outputStorage);
        return false;
    }
    // begin response building
    tcpip::Storage tempMsg;
    //  response-code, variableID, objectID
    tempMsg.writeUnsignedByte(RESPONSE_GET_VEHICLETYPE_VARIABLE);
    tempMsg.writeUnsignedByte(variable);
    tempMsg.writeString(id);
    // process request
    if (variable == ID_LIST) {
        std::vector<std::string> ids;
        MSNet::getInstance()->getVehicleControl().insertVTypeIDs(ids);
        tempMsg.writeUnsignedByte(TYPE_STRINGLIST);
        tempMsg.writeStringList(ids);
    } else if (variable == ID_COUNT) {
        std::vector<std::string> ids;
        MSNet::getInstance()->getVehicleControl().insertVTypeIDs(ids);
        tempMsg.writeUnsignedByte(TYPE_INTEGER);
        tempMsg.writeInt((int) ids.size());
    } else {
        MSVehicleType* v = MSNet::getInstance()->getVehicleControl().getVType(id);
        if (v == 0) {
            server.writeStatusCmd(CMD_GET_VEHICLETYPE_VARIABLE, RTYPE_ERR, "Vehicle type '" + id + "' is not known", outputStorage);
            return false;
        }
        getVariable(variable, *v, tempMsg);
    }
    server.writeStatusCmd(CMD_GET_VEHICLETYPE_VARIABLE, RTYPE_OK, warning, outputStorage);
    server.writeResponseWithLength(outputStorage, tempMsg);
    return true;
}

bool
TraCIServerAPI_Simulation::processSet(TraCIServer& server, tcpip::Storage& inputStorage,
                                      tcpip::Storage& outputStorage) {
    std::string warning = ""; // additional description for response
    // variable
    int variable = inputStorage.readUnsignedByte();
    if (variable != CMD_CLEAR_PENDING_VEHICLES
            && variable != CMD_SAVE_SIMSTATE) {
        return server.writeErrorStatusCmd(CMD_SET_SIM_VARIABLE, "Set Simulation Variable: unsupported variable " + toHex(variable, 2) + " specified", outputStorage);
    }
    // id
    std::string id = inputStorage.readString();
    // process
    try {
        switch (variable) {
            case CMD_CLEAR_PENDING_VEHICLES: {
                //clear any pending vehicle insertions
                std::string route;
                if (!server.readTypeCheckingString(inputStorage, route)) {
                    return server.writeErrorStatusCmd(CMD_SET_SIM_VARIABLE, "A string is needed for clearing pending vehicles.", outputStorage);
                }
                libsumo::Simulation::clearPending(route);
            }
            break;
            case CMD_SAVE_SIMSTATE: {
                //save current simulation state
                std::string file;
                if (!server.readTypeCheckingString(inputStorage, file)) {
                    return server.writeErrorStatusCmd(CMD_SET_SIM_VARIABLE, "A string is needed for saving simulation state.", outputStorage);
                }
                libsumo::Simulation::saveState(file);
            }
            break;
            default:
                break;
        }
    } catch (libsumo::TraCIException& e) {
        return server.writeErrorStatusCmd(CMD_GET_SIM_VARIABLE, e.what(), outputStorage);
    }
    server.writeStatusCmd(CMD_SET_SIM_VARIABLE, RTYPE_OK, warning, outputStorage);
    return true;
}

bool
TraCIServerAPI_Route::processSet(TraCIServer& server, tcpip::Storage& inputStorage,
                                 tcpip::Storage& outputStorage) {
    std::string warning = ""; // additional description for response
    // variable
    int variable = inputStorage.readUnsignedByte();
    if (variable != ADD) {
        return server.writeErrorStatusCmd(CMD_SET_ROUTE_VARIABLE, "Change Route State: unsupported variable specified", outputStorage);
    }
    // id
    std::string id = inputStorage.readString();
    // process
    switch (variable) {
        case ADD: {
            std::vector<std::string> edgeIDs;
            if (!server.readTypeCheckingStringList(inputStorage, edgeIDs)) {
                return server.writeErrorStatusCmd(CMD_SET_ROUTE_VARIABLE, "A string list is needed for adding a new route.", outputStorage);
            }
            //read itemNo
            MSEdgeVector edges;
            for (std::vector<std::string>::const_iterator i = edgeIDs.begin(); i != edgeIDs.end(); ++i) {
                MSEdge* edge = MSEdge::dictionary(*i);
                if (edge == 0) {
                    return server.writeErrorStatusCmd(CMD_SET_ROUTE_VARIABLE, "Unknown edge '" + *i + "' in route.", outputStorage);
                }
                edges.push_back(edge);
            }
            const std::vector<SUMOVehicleParameter::Stop> stops;
            if (!MSRoute::dictionary(id, new MSRoute(id, edges, 1, 0, stops))) {
                return server.writeErrorStatusCmd(CMD_SET_ROUTE_VARIABLE, "Could not add route.", outputStorage);
            }
        }
        break;
        default:
            break;
    }
    server.writeStatusCmd(CMD_SET_ROUTE_VARIABLE, RTYPE_OK, warning, outputStorage);
    return true;
}