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;
}
Beispiel #2
0
bool
TraCIServerAPI_POI::processSet(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 != libsumo::VAR_TYPE &&
            variable != libsumo::VAR_COLOR &&
            variable != libsumo::VAR_POSITION &&
            variable != libsumo::VAR_WIDTH &&
            variable != libsumo::VAR_HEIGHT &&
            variable != libsumo::VAR_ANGLE &&
            variable != libsumo::VAR_IMAGEFILE &&
            variable != libsumo::VAR_HIGHLIGHT &&
            variable != libsumo::ADD &&
            variable != libsumo::REMOVE &&
            variable != libsumo::VAR_PARAMETER) {
        return server.writeErrorStatusCmd(libsumo::CMD_SET_POI_VARIABLE, "Change PoI State: unsupported variable " + toHex(variable, 2) + " specified", outputStorage);
    }
    // process
    try {
        switch (variable) {
            case libsumo::VAR_TYPE: {
                std::string type;
                if (!server.readTypeCheckingString(inputStorage, type)) {
                    return server.writeErrorStatusCmd(libsumo::CMD_SET_POI_VARIABLE, "The type must be given as a string.", outputStorage);
                }
                libsumo::POI::setType(id, type);
            }
            break;
            case libsumo::VAR_COLOR: {
                libsumo::TraCIColor col;
                if (!server.readTypeCheckingColor(inputStorage, col)) {
                    return server.writeErrorStatusCmd(libsumo::CMD_SET_POI_VARIABLE, "The color must be given using an according type.", outputStorage);
                }
                libsumo::POI::setColor(id, col);
            }
            break;
            case libsumo::VAR_POSITION: {
                libsumo::TraCIPosition pos;
                if (!server.readTypeCheckingPosition2D(inputStorage, pos)) {
                    return server.writeErrorStatusCmd(libsumo::CMD_SET_POI_VARIABLE, "The position must be given using an according type.", outputStorage);
                }
                libsumo::POI::setPosition(id, pos.x, pos.y);
            }
            break;
            case libsumo::VAR_WIDTH: {
                double width;
                if (!server.readTypeCheckingDouble(inputStorage, width)) {
                    return server.writeErrorStatusCmd(libsumo::CMD_SET_POI_VARIABLE, "The width must be given using an according type.", outputStorage);
                }
                libsumo::POI::setWidth(id, width);
            }
            break;
            case libsumo::VAR_HEIGHT: {
                double height;
                if (!server.readTypeCheckingDouble(inputStorage, height)) {
                    return server.writeErrorStatusCmd(libsumo::CMD_SET_POI_VARIABLE, "The height must be given using an according type.", outputStorage);
                }
                libsumo::POI::setHeight(id, height);
            }
            break;
            case libsumo::VAR_ANGLE: {
                double angle;
                if (!server.readTypeCheckingDouble(inputStorage, angle)) {
                    return server.writeErrorStatusCmd(libsumo::CMD_SET_POI_VARIABLE, "The angle must be given using an according type.", outputStorage);
                }
                libsumo::POI::setAngle(id, angle);
            }
            break;
            case libsumo::VAR_IMAGEFILE: {
                std::string imageFile;
                if (!server.readTypeCheckingString(inputStorage, imageFile)) {
                    return server.writeErrorStatusCmd(libsumo::CMD_SET_POI_VARIABLE, "The type must be given as a string.", outputStorage);
                }
                libsumo::POI::setImageFile(id, imageFile);
            }
            break;
            case libsumo::VAR_HIGHLIGHT: {
                // Highlight the POI by adding a polygon (NOTE: duplicated code exists for vehicle domain)
                if (inputStorage.readUnsignedByte() != libsumo::TYPE_COMPOUND) {
                    return server.writeErrorStatusCmd(libsumo::CMD_SET_POI_VARIABLE, "A compound object is needed for highlighting an object.", outputStorage);
                }
                int itemNo = inputStorage.readUnsignedByte();
                if (itemNo > 5) {
                    return server.writeErrorStatusCmd(libsumo::CMD_SET_POI_VARIABLE, "Highlighting an object needs zero to five parameters.", outputStorage);
                }
                libsumo::TraCIColor col = libsumo::TraCIColor(255, 0, 0);
                if (itemNo > 0) {
                    if (!server.readTypeCheckingColor(inputStorage, col)) {
                        return server.writeErrorStatusCmd(libsumo::CMD_SET_POI_VARIABLE, "The first parameter for highlighting must be the highlight color.", outputStorage);
                    }
                }
                double size = -1;
                if (itemNo > 1) {
                    if (!server.readTypeCheckingDouble(inputStorage, size)) {
                        return server.writeErrorStatusCmd(libsumo::CMD_SET_POI_VARIABLE, "The second parameter for highlighting must be the highlight size.", outputStorage);
                    }
                }
                int alphaMax = -1;
                if (itemNo > 2) {
                    if (!server.readTypeCheckingUnsignedByte(inputStorage, alphaMax)) {
                        return server.writeErrorStatusCmd(libsumo::CMD_SET_POI_VARIABLE, "The third parameter for highlighting must be maximal alpha.", outputStorage);
                    }
                }
                double duration = -1;
                if (itemNo > 3) {
                    if (!server.readTypeCheckingDouble(inputStorage, duration)) {
                        return server.writeErrorStatusCmd(libsumo::CMD_SET_VEHICLE_VARIABLE, "The fourth parameter for highlighting must be the highlight duration.", outputStorage);
                    }
                }
                int type = 0;
                if (itemNo > 4) {
                    if (!server.readTypeCheckingUnsignedByte(inputStorage, type)) {
                        return server.writeErrorStatusCmd(libsumo::CMD_SET_VEHICLE_VARIABLE, "The fifth parameter for highlighting must be the highlight type id as ubyte.", outputStorage);
                    }
                }
                libsumo::POI::highlight(id, col, size, alphaMax, duration, type);
            }
            break;
            case libsumo::ADD: {
                if (inputStorage.readUnsignedByte() != libsumo::TYPE_COMPOUND) {
                    return server.writeErrorStatusCmd(libsumo::CMD_SET_POI_VARIABLE, "A compound object is needed for setting a new PoI.", outputStorage);
                }
                //read itemNo
                const int parameterCount = inputStorage.readInt();
                std::string type;
                if (!server.readTypeCheckingString(inputStorage, type)) {
                    return server.writeErrorStatusCmd(libsumo::CMD_SET_POI_VARIABLE, "The first PoI parameter must be the type encoded as a string.", outputStorage);
                }
                libsumo::TraCIColor col;
                if (!server.readTypeCheckingColor(inputStorage, col)) {
                    return server.writeErrorStatusCmd(libsumo::CMD_SET_POI_VARIABLE, "The second PoI parameter must be the color.", outputStorage);
                }
                int layer = 0;
                if (!server.readTypeCheckingInt(inputStorage, layer)) {
                    return server.writeErrorStatusCmd(libsumo::CMD_SET_POI_VARIABLE, "The third PoI parameter must be the layer encoded as int.", outputStorage);
                }
                libsumo::TraCIPosition pos;
                if (!server.readTypeCheckingPosition2D(inputStorage, pos)) {
                    return server.writeErrorStatusCmd(libsumo::CMD_SET_POI_VARIABLE, "The fourth PoI parameter must be the position.", outputStorage);
                }
                if (parameterCount == 4) {
                    if (!libsumo::POI::add(id, pos.x, pos.y, col, type, layer)) {
                        return server.writeErrorStatusCmd(libsumo::CMD_SET_POI_VARIABLE, "Could not add PoI.", outputStorage);
                    }
                } else if (parameterCount == 8) {
                    std::string imgFile;
                    if (!server.readTypeCheckingString(inputStorage, imgFile)) {
                        return server.writeErrorStatusCmd(libsumo::CMD_SET_POI_VARIABLE, "The fifth PoI parameter must be the imgFile encoded as a string.", outputStorage);
                    }
                    double width;
                    if (!server.readTypeCheckingDouble(inputStorage, width)) {
                        return server.writeErrorStatusCmd(libsumo::CMD_SET_POI_VARIABLE, "The sixth PoI parameter must be the width encoded as a double.", outputStorage);
                    }
                    double height;
                    if (!server.readTypeCheckingDouble(inputStorage, height)) {
                        return server.writeErrorStatusCmd(libsumo::CMD_SET_POI_VARIABLE, "The seventh PoI parameter must be the height encoded as a double.", outputStorage);
                    }
                    double angle;
                    if (!server.readTypeCheckingDouble(inputStorage, angle)) {
                        return server.writeErrorStatusCmd(libsumo::CMD_SET_POI_VARIABLE, "The eighth PoI parameter must be the angle encoded as a double.", outputStorage);
                    }
                    //
                    if (!libsumo::POI::add(id, pos.x, pos.y, col, type, layer, imgFile, width, height, angle)) {
                        return server.writeErrorStatusCmd(libsumo::CMD_SET_POI_VARIABLE, "Could not add PoI.", outputStorage);
                    }
                } else {
                    return server.writeErrorStatusCmd(libsumo::CMD_SET_POI_VARIABLE,
                                                      "Adding a PoI requires either only type, color, layer and position parameters or these and imageFile, width, height and angle parameters.",
                                                      outputStorage);
                }
            }
            break;
            case libsumo::REMOVE: {
                int layer = 0; // !!! layer not used yet (shouldn't the id be enough?)
                if (!server.readTypeCheckingInt(inputStorage, layer)) {
                    return server.writeErrorStatusCmd(libsumo::CMD_SET_POI_VARIABLE, "The layer must be given using an int.", outputStorage);
                }
                if (!libsumo::POI::remove(id, layer)) {
                    return server.writeErrorStatusCmd(libsumo::CMD_SET_POI_VARIABLE, "Could not remove PoI '" + id + "'", outputStorage);
                }
            }
            break;
            case libsumo::VAR_PARAMETER: {
                if (inputStorage.readUnsignedByte() != libsumo::TYPE_COMPOUND) {
                    return server.writeErrorStatusCmd(libsumo::CMD_SET_POI_VARIABLE, "A compound object is needed for setting a parameter.", outputStorage);
                }
                //readt itemNo
                inputStorage.readInt();
                std::string name;
                if (!server.readTypeCheckingString(inputStorage, name)) {
                    return server.writeErrorStatusCmd(libsumo::CMD_SET_POI_VARIABLE, "The name of the parameter must be given as a string.", outputStorage);
                }
                std::string value;
                if (!server.readTypeCheckingString(inputStorage, value)) {
                    return server.writeErrorStatusCmd(libsumo::CMD_SET_POI_VARIABLE, "The value of the parameter must be given as a string.", outputStorage);
                }
                libsumo::POI::setParameter(id, name, value);
            }
            break;
            default:
                break;
        }
    } catch (libsumo::TraCIException& e) {
        return server.writeErrorStatusCmd(libsumo::CMD_SET_POI_VARIABLE, e.what(), outputStorage);
    }
    server.writeStatusCmd(libsumo::CMD_SET_POI_VARIABLE, libsumo::RTYPE_OK, warning, outputStorage);
    return true;
}
bool
TraCIServerAPI_Edge::processSet(TraCIServer& server, tcpip::Storage& inputStorage,
                                tcpip::Storage& outputStorage) {
    std::string warning = ""; // additional description for response
    // variable
    int variable = inputStorage.readUnsignedByte();
    if (variable != VAR_EDGE_TRAVELTIME && variable != VAR_EDGE_EFFORT && variable != VAR_MAXSPEED && variable != VAR_PARAMETER) {
        return server.writeErrorStatusCmd(CMD_SET_EDGE_VARIABLE, "Change Edge State: unsupported variable " + toHex(variable, 2) + " specified", outputStorage);
    }
    // id
    std::string id = inputStorage.readString();
    MSEdge* e = MSEdge::dictionary(id);
    if (e == 0) {
        return server.writeErrorStatusCmd(CMD_SET_EDGE_VARIABLE, "Edge '" + id + "' is not known", outputStorage);
    }
    // process
    switch (variable) {
        case LANE_ALLOWED: {
            // read and set allowed vehicle classes
            std::vector<std::string> classes;
            if (!server.readTypeCheckingStringList(inputStorage, classes)) {
                return server.writeErrorStatusCmd(CMD_SET_EDGE_VARIABLE, "Allowed vehicle classes must be given as a list of strings.", outputStorage);
            }
            SVCPermissions permissions = parseVehicleClasses(classes);
            const std::vector<MSLane*>& lanes = e->getLanes();
            for (std::vector<MSLane*>::const_iterator i = lanes.begin(); i != lanes.end(); ++i) {
                (*i)->setPermissions(permissions);
            }
            e->rebuildAllowedLanes();
        }
        break;
        case LANE_DISALLOWED: {
            // read and set disallowed vehicle classes
            std::vector<std::string> classes;
            if (!server.readTypeCheckingStringList(inputStorage, classes)) {
                return server.writeErrorStatusCmd(CMD_SET_EDGE_VARIABLE, "Not allowed vehicle classes must be given as a list of strings.", outputStorage);
            }
            SVCPermissions permissions = ~parseVehicleClasses(classes); // negation yields allowed
            const std::vector<MSLane*>& lanes = e->getLanes();
            for (std::vector<MSLane*>::const_iterator i = lanes.begin(); i != lanes.end(); ++i) {
                (*i)->setPermissions(permissions);
            }
            e->rebuildAllowedLanes();
        }
        break;
        case VAR_EDGE_TRAVELTIME: {
            // read and set travel time
            if (inputStorage.readUnsignedByte() != TYPE_COMPOUND) {
                return server.writeErrorStatusCmd(CMD_SET_VEHICLE_VARIABLE, "Setting travel time requires a compound object.", outputStorage);
            }
            int parameterCount = inputStorage.readInt();
            if (parameterCount == 3) {
                // bound by time
                int begTime = 0, endTime = 0;
                double value = 0;
                if (!server.readTypeCheckingInt(inputStorage, begTime)) {
                    return server.writeErrorStatusCmd(CMD_GET_EDGE_VARIABLE, "The first variable must be the begin time given as int.", outputStorage);
                }
                if (!server.readTypeCheckingInt(inputStorage, endTime)) {
                    return server.writeErrorStatusCmd(CMD_GET_EDGE_VARIABLE, "The second variable must be the end time given as int.", outputStorage);
                }
                if (!server.readTypeCheckingDouble(inputStorage, value)) {
                    return server.writeErrorStatusCmd(CMD_SET_EDGE_VARIABLE, "The third variable must be the value given as double", outputStorage);
                }
                MSNet::getInstance()->getWeightsStorage().addTravelTime(e, begTime, endTime, value);
            } else if (parameterCount == 1) {
                // unbound
                double value = 0;
                if (!server.readTypeCheckingDouble(inputStorage, value)) {
                    return server.writeErrorStatusCmd(CMD_SET_EDGE_VARIABLE, "The variable must be the value given as double", outputStorage);
                }
                MSNet::getInstance()->getWeightsStorage().addTravelTime(e, SUMOReal(0), SUMOReal(SUMOTime_MAX), value);
            } else {
                return server.writeErrorStatusCmd(CMD_SET_VEHICLE_VARIABLE, "Setting travel time requires either begin time, end time, and value, or only value as parameter.", outputStorage);
            }
        }
        break;
        case VAR_EDGE_EFFORT: {
            // read and set effort
            if (inputStorage.readUnsignedByte() != TYPE_COMPOUND) {
                return server.writeErrorStatusCmd(CMD_SET_VEHICLE_VARIABLE, "Setting effort requires a compound object.", outputStorage);
            }
            int parameterCount = inputStorage.readInt();
            if (parameterCount == 3) {
                // bound by time
                int begTime = 0, endTime = 0;
                double value = 0;
                if (!server.readTypeCheckingInt(inputStorage, begTime)) {
                    return server.writeErrorStatusCmd(CMD_GET_EDGE_VARIABLE, "The first variable must be the begin time given as int.", outputStorage);
                }
                if (!server.readTypeCheckingInt(inputStorage, endTime)) {
                    return server.writeErrorStatusCmd(CMD_GET_EDGE_VARIABLE, "The second variable must be the end time given as int.", outputStorage);
                }
                if (!server.readTypeCheckingDouble(inputStorage, value)) {
                    return server.writeErrorStatusCmd(CMD_SET_EDGE_VARIABLE, "The third variable must be the value given as double", outputStorage);
                }
                MSNet::getInstance()->getWeightsStorage().addEffort(e, begTime, endTime, value);
            } else if (parameterCount == 1) {
                // unbound
                double value = 0;
                if (!server.readTypeCheckingDouble(inputStorage, value)) {
                    return server.writeErrorStatusCmd(CMD_SET_EDGE_VARIABLE, "The variable must be the value given as double", outputStorage);
                }
                MSNet::getInstance()->getWeightsStorage().addEffort(e, SUMOReal(0), SUMOReal(SUMOTime_MAX), value);
            } else {
                return server.writeErrorStatusCmd(CMD_SET_VEHICLE_VARIABLE, "Setting effort requires either begin time, end time, and value, or only value as parameter.", outputStorage);
            }
        }
        break;
        case VAR_MAXSPEED: {
            // read and set max. speed
            double value = 0;
            if (!server.readTypeCheckingDouble(inputStorage, value)) {
                return server.writeErrorStatusCmd(CMD_SET_EDGE_VARIABLE, "The speed must be given as a double.", outputStorage);
            }
            const std::vector<MSLane*>& lanes = e->getLanes();
            for (std::vector<MSLane*>::const_iterator i = lanes.begin(); i != lanes.end(); ++i) {
                (*i)->setMaxSpeed(value);
            }
        }
        break;
        case VAR_PARAMETER: {
            if (inputStorage.readUnsignedByte() != TYPE_COMPOUND) {
                return server.writeErrorStatusCmd(CMD_SET_EDGE_VARIABLE, "A compound object is needed for setting a parameter.", outputStorage);
            }
            //readt itemNo
            inputStorage.readInt();
            std::string name;
            if (!server.readTypeCheckingString(inputStorage, name)) {
                return server.writeErrorStatusCmd(CMD_SET_EDGE_VARIABLE, "The name of the parameter must be given as a string.", outputStorage);
            }
            std::string value;
            if (!server.readTypeCheckingString(inputStorage, value)) {
                return server.writeErrorStatusCmd(CMD_SET_EDGE_VARIABLE, "The value of the parameter must be given as a string.", outputStorage);
            }
            e->addParameter(name, value);
        }
        break;
        default:
            break;
    }
    server.writeStatusCmd(CMD_SET_EDGE_VARIABLE, RTYPE_OK, warning, outputStorage);
    return true;
}
// ===========================================================================
// method definitions
// ===========================================================================
bool
TraCIServerAPI_Simulation::processGet(TraCIServer& server, tcpip::Storage& inputStorage,
                                      tcpip::Storage& outputStorage) {
    const int variable = inputStorage.readUnsignedByte();
    const std::string id = inputStorage.readString();
    server.initWrapper(RESPONSE_GET_SIM_VARIABLE, variable, id);
    try {
        switch (variable) {
            case VAR_TIME:
                server.getWrapperStorage().writeUnsignedByte(TYPE_DOUBLE);
                server.getWrapperStorage().writeDouble(SIMTIME);
                break;
            case VAR_TIME_STEP:
                server.getWrapperStorage().writeUnsignedByte(TYPE_INTEGER);
                server.getWrapperStorage().writeInt((int)libsumo::Simulation::getCurrentTime());
                break;
            case VAR_LOADED_VEHICLES_NUMBER:
                writeVehicleStateNumber(server, server.getWrapperStorage(), MSNet::VEHICLE_STATE_BUILT);
                break;
            case VAR_LOADED_VEHICLES_IDS:
                writeVehicleStateIDs(server, server.getWrapperStorage(), MSNet::VEHICLE_STATE_BUILT);
                break;
            case VAR_DEPARTED_VEHICLES_NUMBER:
                writeVehicleStateNumber(server, server.getWrapperStorage(), MSNet::VEHICLE_STATE_DEPARTED);
                break;
            case VAR_DEPARTED_VEHICLES_IDS:
                writeVehicleStateIDs(server, server.getWrapperStorage(), MSNet::VEHICLE_STATE_DEPARTED);
                break;
            case VAR_TELEPORT_STARTING_VEHICLES_NUMBER:
                writeVehicleStateNumber(server, server.getWrapperStorage(), MSNet::VEHICLE_STATE_STARTING_TELEPORT);
                break;
            case VAR_TELEPORT_STARTING_VEHICLES_IDS:
                writeVehicleStateIDs(server, server.getWrapperStorage(), MSNet::VEHICLE_STATE_STARTING_TELEPORT);
                break;
            case VAR_TELEPORT_ENDING_VEHICLES_NUMBER:
                writeVehicleStateNumber(server, server.getWrapperStorage(), MSNet::VEHICLE_STATE_ENDING_TELEPORT);
                break;
            case VAR_TELEPORT_ENDING_VEHICLES_IDS:
                writeVehicleStateIDs(server, server.getWrapperStorage(), MSNet::VEHICLE_STATE_ENDING_TELEPORT);
                break;
            case VAR_ARRIVED_VEHICLES_NUMBER:
                writeVehicleStateNumber(server, server.getWrapperStorage(), MSNet::VEHICLE_STATE_ARRIVED);
                break;
            case VAR_ARRIVED_VEHICLES_IDS:
                writeVehicleStateIDs(server, server.getWrapperStorage(), MSNet::VEHICLE_STATE_ARRIVED);
                break;
            case VAR_PARKING_STARTING_VEHICLES_NUMBER:
                writeVehicleStateNumber(server, server.getWrapperStorage(), MSNet::VEHICLE_STATE_STARTING_PARKING);
                break;
            case VAR_PARKING_STARTING_VEHICLES_IDS:
                writeVehicleStateIDs(server, server.getWrapperStorage(), MSNet::VEHICLE_STATE_STARTING_PARKING);
                break;
            case VAR_PARKING_ENDING_VEHICLES_NUMBER:
                writeVehicleStateNumber(server, server.getWrapperStorage(), MSNet::VEHICLE_STATE_ENDING_PARKING);
                break;
            case VAR_PARKING_ENDING_VEHICLES_IDS:
                writeVehicleStateIDs(server, server.getWrapperStorage(), MSNet::VEHICLE_STATE_ENDING_PARKING);
                break;
            case VAR_STOP_STARTING_VEHICLES_NUMBER:
                writeVehicleStateNumber(server, server.getWrapperStorage(), MSNet::VEHICLE_STATE_STARTING_STOP);
                break;
            case VAR_STOP_STARTING_VEHICLES_IDS:
                writeVehicleStateIDs(server, server.getWrapperStorage(), MSNet::VEHICLE_STATE_STARTING_STOP);
                break;
            case VAR_STOP_ENDING_VEHICLES_NUMBER:
                writeVehicleStateNumber(server, server.getWrapperStorage(), MSNet::VEHICLE_STATE_ENDING_STOP);
                break;
            case VAR_STOP_ENDING_VEHICLES_IDS:
                writeVehicleStateIDs(server, server.getWrapperStorage(), MSNet::VEHICLE_STATE_ENDING_STOP);
                break;
            case VAR_COLLIDING_VEHICLES_NUMBER:
                writeVehicleStateNumber(server, server.getWrapperStorage(), MSNet::VEHICLE_STATE_COLLISION);
                break;
            case VAR_COLLIDING_VEHICLES_IDS:
                writeVehicleStateIDs(server, server.getWrapperStorage(), MSNet::VEHICLE_STATE_COLLISION);
                break;
            case VAR_EMERGENCYSTOPPING_VEHICLES_NUMBER:
                writeVehicleStateNumber(server, server.getWrapperStorage(), MSNet::VEHICLE_STATE_EMERGENCYSTOP);
                break;
            case VAR_EMERGENCYSTOPPING_VEHICLES_IDS:
                writeVehicleStateIDs(server, server.getWrapperStorage(), MSNet::VEHICLE_STATE_EMERGENCYSTOP);
                break;
            case VAR_DELTA_T:
                server.getWrapperStorage().writeUnsignedByte(TYPE_INTEGER);
                server.getWrapperStorage().writeInt((int)libsumo::Simulation::getDeltaT());
                break;
            case VAR_MIN_EXPECTED_VEHICLES:
                server.getWrapperStorage().writeUnsignedByte(TYPE_INTEGER);
                server.getWrapperStorage().writeInt(libsumo::Simulation::getMinExpectedNumber());
                break;
            case VAR_BUS_STOP_WAITING:
                server.getWrapperStorage().writeUnsignedByte(TYPE_INTEGER);
                server.getWrapperStorage().writeInt(libsumo::Simulation::getBusStopWaiting(id));
                break;
            case VAR_NET_BOUNDING_BOX: {
                server.getWrapperStorage().writeUnsignedByte(TYPE_POLYGON);
                libsumo::TraCIPositionVector tb = libsumo::Simulation::getNetBoundary();
                server.getWrapperStorage().writeByte(2);
                server.getWrapperStorage().writeDouble(tb[0].x);
                server.getWrapperStorage().writeDouble(tb[0].y);
                server.getWrapperStorage().writeDouble(tb[1].x);
                server.getWrapperStorage().writeDouble(tb[1].y);
                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, server.getWrapperStorage(), 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, server.getWrapperStorage(), CMD_GET_SIM_VARIABLE)) {
                    return false;
                }
                break;
            case FIND_ROUTE: {
                if (inputStorage.readUnsignedByte() != TYPE_COMPOUND) {
                    return server.writeErrorStatusCmd(CMD_GET_SIM_VARIABLE, "Retrieval of a route requires a compound object.", outputStorage);
                }
                if (inputStorage.readInt() != 5) {
                    return server.writeErrorStatusCmd(CMD_GET_SIM_VARIABLE, "Retrieval of a route requires five parameter.", outputStorage);
                }
                std::string from, to, vtype;
                double depart;
                int routingMode;
                if (!server.readTypeCheckingString(inputStorage, from)) {
                    return server.writeErrorStatusCmd(CMD_GET_SIM_VARIABLE, "Retrieval of a route requires a string as first parameter.", outputStorage);
                }
                if (!server.readTypeCheckingString(inputStorage, to)) {
                    return server.writeErrorStatusCmd(CMD_GET_SIM_VARIABLE, "Retrieval of a route requires a string as second parameter.", outputStorage);
                }
                if (!server.readTypeCheckingString(inputStorage, vtype)) {
                    return server.writeErrorStatusCmd(CMD_GET_SIM_VARIABLE, "Retrieval of a route requires a string as third parameter.", outputStorage);
                }
                if (!server.readTypeCheckingDouble(inputStorage, depart)) {
                    return server.writeErrorStatusCmd(CMD_GET_SIM_VARIABLE, "Retrieval of a route requires a double as fourth parameter.", outputStorage);
                }
                if (!server.readTypeCheckingInt(inputStorage, routingMode)) {
                    return server.writeErrorStatusCmd(CMD_GET_SIM_VARIABLE, "Retrieval of a route requires an integer as fifth parameter.", outputStorage);
                }
                writeStage(server.getWrapperStorage(), libsumo::Simulation::findRoute(from, to, vtype, TIME2STEPS(depart), routingMode));
                break;
            }
            case FIND_INTERMODAL_ROUTE: {
                if (inputStorage.readUnsignedByte() != TYPE_COMPOUND) {
                    return server.writeErrorStatusCmd(CMD_GET_SIM_VARIABLE, "Retrieval of an intermodal route requires a compound object.", outputStorage);
                }
                if (inputStorage.readInt() != 13) {
                    return server.writeErrorStatusCmd(CMD_GET_SIM_VARIABLE, "Retrieval of an intermodal route requires thirteen parameters.", outputStorage);
                }
                std::string from, to, modes, ptype, vtype, destStop;
                double depart, speed, walkFactor, departPos, arrivalPos, departPosLat;
                int routingMode;
                if (!server.readTypeCheckingString(inputStorage, from)) {
                    return server.writeErrorStatusCmd(CMD_GET_SIM_VARIABLE, "Retrieval of a route requires a string as first parameter.", outputStorage);
                }
                if (!server.readTypeCheckingString(inputStorage, to)) {
                    return server.writeErrorStatusCmd(CMD_GET_SIM_VARIABLE, "Retrieval of a route requires a string as second parameter.", outputStorage);
                }
                if (!server.readTypeCheckingString(inputStorage, modes)) {
                    return server.writeErrorStatusCmd(CMD_GET_SIM_VARIABLE, "Retrieval of a route requires a string as third parameter.", outputStorage);
                }
                if (!server.readTypeCheckingDouble(inputStorage, depart)) {
                    return server.writeErrorStatusCmd(CMD_GET_SIM_VARIABLE, "Retrieval of a route requires a double as fourth parameter.", outputStorage);
                }
                if (!server.readTypeCheckingInt(inputStorage, routingMode)) {
                    return server.writeErrorStatusCmd(CMD_GET_SIM_VARIABLE, "Retrieval of a route requires an integer as fifth parameter.", outputStorage);
                }
                if (!server.readTypeCheckingDouble(inputStorage, speed)) {
                    return server.writeErrorStatusCmd(CMD_GET_SIM_VARIABLE, "Retrieval of a route requires a double as sixth parameter.", outputStorage);
                }
                if (!server.readTypeCheckingDouble(inputStorage, walkFactor)) {
                    return server.writeErrorStatusCmd(CMD_GET_SIM_VARIABLE, "Retrieval of a route requires a double as seventh parameter.", outputStorage);
                }
                if (!server.readTypeCheckingDouble(inputStorage, departPos)) {
                    return server.writeErrorStatusCmd(CMD_GET_SIM_VARIABLE, "Retrieval of a route requires a double as eigth parameter.", outputStorage);
                }
                if (!server.readTypeCheckingDouble(inputStorage, arrivalPos)) {
                    return server.writeErrorStatusCmd(CMD_GET_SIM_VARIABLE, "Retrieval of a route requires a double as nineth parameter.", outputStorage);
                }
                if (!server.readTypeCheckingDouble(inputStorage, departPosLat)) {
                    return server.writeErrorStatusCmd(CMD_GET_SIM_VARIABLE, "Retrieval of a route requires a double as tenth parameter.", outputStorage);
                }
                if (!server.readTypeCheckingString(inputStorage, ptype)) {
                    return server.writeErrorStatusCmd(CMD_GET_SIM_VARIABLE, "Retrieval of a route requires a string as eleventh parameter.", outputStorage);
                }
                if (!server.readTypeCheckingString(inputStorage, vtype)) {
                    return server.writeErrorStatusCmd(CMD_GET_SIM_VARIABLE, "Retrieval of a route requires a string as twelvth parameter.", outputStorage);
                }
                if (!server.readTypeCheckingString(inputStorage, destStop)) {
                    return server.writeErrorStatusCmd(CMD_GET_SIM_VARIABLE, "Retrieval of a route requires a string as thirteenth parameter.", outputStorage);
                }
                const std::vector<libsumo::TraCIStage> result = libsumo::Simulation::findIntermodalRoute(from, to, modes, TIME2STEPS(depart), routingMode, speed, walkFactor, departPos, arrivalPos, departPosLat, ptype, vtype, destStop);
                server.getWrapperStorage().writeUnsignedByte(TYPE_COMPOUND);
                server.getWrapperStorage().writeInt((int)result.size());
                for (const libsumo::TraCIStage s : result) {
                    writeStage(server.getWrapperStorage(), s);
                }
                break;
            }
            case VAR_PARAMETER: {
                std::string paramName = "";
                if (!server.readTypeCheckingString(inputStorage, paramName)) {
                    return server.writeErrorStatusCmd(CMD_GET_SIM_VARIABLE, "Retrieval of a parameter requires its name.", outputStorage);
                }
                server.getWrapperStorage().writeUnsignedByte(TYPE_STRING);
                server.getWrapperStorage().writeString(libsumo::Simulation::getParameter(id, paramName));
                break;
            }
            default:
                return server.writeErrorStatusCmd(CMD_GET_SIM_VARIABLE, "Get Simulation Variable: unsupported variable " + toHex(variable, 2) + " specified", outputStorage);
        }
    } catch (libsumo::TraCIException& e) {
        return server.writeErrorStatusCmd(CMD_GET_SIM_VARIABLE, e.what(), outputStorage);
    }
    server.writeStatusCmd(CMD_GET_SIM_VARIABLE, RTYPE_OK, "", outputStorage);
    server.writeResponseWithLength(outputStorage, server.getWrapperStorage());
    return true;
}
bool
TraCIServerAPI_GUI::processSet(TraCIServer& server, tcpip::Storage& inputStorage,
                               tcpip::Storage& outputStorage) {
    std::string warning = ""; // additional description for response
    // variable
    int variable = inputStorage.readUnsignedByte();
    if (variable != VAR_VIEW_ZOOM && variable != VAR_VIEW_OFFSET && variable != VAR_VIEW_SCHEMA && variable != VAR_VIEW_BOUNDARY
            && variable != VAR_SCREENSHOT && variable != VAR_TRACK_VEHICLE
       ) {
        return server.writeErrorStatusCmd(CMD_SET_GUI_VARIABLE, "Change GUI State: unsupported variable specified", outputStorage);
    }
    // id
    std::string id = inputStorage.readString();
    GUISUMOAbstractView* v = getNamedView(id);
    if (v == 0) {
        return server.writeErrorStatusCmd(CMD_SET_GUI_VARIABLE, "View '" + id + "' is not known", outputStorage);
    }
    // process
    switch (variable) {
        case VAR_VIEW_ZOOM: {
            Position off, p;
            double zoom = 1;
            if (!server.readTypeCheckingDouble(inputStorage, zoom)) {
                return server.writeErrorStatusCmd(CMD_SET_GUI_VARIABLE, "The zoom must be given as a double.", outputStorage);
            }
            off.set(v->getChanger().getXPos(), v->getChanger().getYPos(), zoom);
            v->setViewport(off, p);
        }
        break;
        case VAR_VIEW_OFFSET: {
            Position off, p;
            if (!server.readTypeCheckingPosition2D(inputStorage, off)) {
                return server.writeErrorStatusCmd(CMD_SET_GUI_VARIABLE, "The view port must be given as a position.", outputStorage);
            }
            off.set(off.x(), off.y(), v->getChanger().getZoom());
            v->setViewport(off, p);
        }
        break;
        case VAR_VIEW_SCHEMA: {
            std::string schema;
            if (!server.readTypeCheckingString(inputStorage, schema)) {
                return server.writeErrorStatusCmd(CMD_SET_GUI_VARIABLE, "The scheme must be specified by a string.", outputStorage);
            }
            if (!v->setColorScheme(schema)) {
                return server.writeErrorStatusCmd(CMD_SET_GUI_VARIABLE, "The scheme is not known.", outputStorage);
            }
        }
        break;
        case VAR_VIEW_BOUNDARY: {
            Boundary b;
            if (!server.readTypeCheckingBoundary(inputStorage, b)) {
                return server.writeErrorStatusCmd(CMD_SET_GUI_VARIABLE, "The boundary must be specified by a bounding box.", outputStorage);
            }
            v->centerTo(b);
            break;
        }
        case VAR_SCREENSHOT: {
            std::string filename;
            if (!server.readTypeCheckingString(inputStorage, filename)) {
                return server.writeErrorStatusCmd(CMD_SET_GUI_VARIABLE, "Making a snapshot requires a file name.", outputStorage);
            }
            std::string error = v->makeSnapshot(filename);
            if (error != "") {
                return server.writeErrorStatusCmd(CMD_SET_GUI_VARIABLE, error, outputStorage);
            }
        }
        break;
        case VAR_TRACK_VEHICLE: {
            std::string id;
            if (!server.readTypeCheckingString(inputStorage, id)) {
                return server.writeErrorStatusCmd(CMD_SET_GUI_VARIABLE, "Tracking requires a string vehicle ID.", outputStorage);
            }
            if (id == "") {
                v->stopTrack();
            } else {
                SUMOVehicle* veh = MSNet::getInstance()->getVehicleControl().getVehicle(id);
                if (veh == 0) {
                    return server.writeErrorStatusCmd(CMD_SET_GUI_VARIABLE, "Could not find vehicle '" + id + "'.", outputStorage);
                }
                if (!static_cast<GUIVehicle*>(veh)->hasActiveAddVisualisation(v, GUIVehicle::VO_TRACKED)) {
                    v->startTrack(static_cast<GUIVehicle*>(veh)->getGlID());
                    static_cast<GUIVehicle*>(veh)->addActiveAddVisualisation(v, GUIVehicle::VO_TRACKED);
                }
            }
        }
        default:
            break;
    }
    server.writeStatusCmd(CMD_SET_GUI_VARIABLE, RTYPE_OK, warning, outputStorage);
    return true;
}