C++ TraCIServer类代码示例

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;
}

// ===========================================================================
// 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;
}

// ===========================================================================
// 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;
}

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) {
        return server.writeErrorStatusCmd(CMD_SET_SIM_VARIABLE, "Set Simulation Variable: unsupported variable specified", outputStorage);
    }
    // id
    std::string id = inputStorage.readString();
    // process
    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);
            }
            MSNet::getInstance()->getInsertionControl().clearPendingVehicles(route);
        }
        break;
        default:
            break;
    }
    server.writeStatusCmd(CMD_SET_SIM_VARIABLE, RTYPE_OK, warning, outputStorage);
    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;
}

// ===========================================================================
// 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_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) {
        server.writeStatusCmd(CMD_GET_ROUTE_VARIABLE, RTYPE_ERR, "Get Route Variable: unsupported variable specified", outputStorage);
        return false;
    }
    // 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) {
            server.writeStatusCmd(CMD_GET_ROUTE_VARIABLE, RTYPE_ERR, "Route '" + id + "' is not known", outputStorage);
            return false;
        }
        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;
            default:
                break;
        }
    }
    server.writeStatusCmd(CMD_GET_ROUTE_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;
}

// ===========================================================================
// 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;
}

// ===========================================================================
// 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;
}

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;
}

// ===========================================================================
// method definitions
// ===========================================================================
bool
TraCIServerAPI_MeMeDetector::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 != LAST_STEP_VEHICLE_NUMBER && variable != LAST_STEP_MEAN_SPEED
            && variable != LAST_STEP_VEHICLE_ID_LIST && variable != LAST_STEP_VEHICLE_HALTING_NUMBER
            && variable != ID_COUNT) {
        server.writeStatusCmd(CMD_GET_MULTI_ENTRY_EXIT_DETECTOR_VARIABLE, RTYPE_ERR, "Get MeMeDetector Variable: unsupported variable specified", outputStorage);
        return false;
    }
    // begin response building
    tcpip::Storage tempMsg;
    //  response-code, variableID, objectID
    tempMsg.writeUnsignedByte(RESPONSE_GET_MULTI_ENTRY_EXIT_DETECTOR_VARIABLE);
    tempMsg.writeUnsignedByte(variable);
    tempMsg.writeString(id);
    if (variable == ID_LIST) {
        std::vector<std::string> ids;
        MSNet::getInstance()->getDetectorControl().getTypedDetectors(SUMO_TAG_ENTRY_EXIT_DETECTOR).insertIDs(ids);
        tempMsg.writeUnsignedByte(TYPE_STRINGLIST);
        tempMsg.writeStringList(ids);
    } else if (variable == ID_COUNT) {
        std::vector<std::string> ids;
        MSNet::getInstance()->getDetectorControl().getTypedDetectors(SUMO_TAG_ENTRY_EXIT_DETECTOR).insertIDs(ids);
        tempMsg.writeUnsignedByte(TYPE_INTEGER);
        tempMsg.writeInt((int) ids.size());
    } else {
        MSE3Collector* e3 = static_cast<MSE3Collector*>(MSNet::getInstance()->getDetectorControl().getTypedDetectors(SUMO_TAG_ENTRY_EXIT_DETECTOR).get(id));
        if (e3 == 0) {
            server.writeStatusCmd(CMD_GET_MULTI_ENTRY_EXIT_DETECTOR_VARIABLE, RTYPE_ERR, "Areal detector '" + id + "' is not known", outputStorage);
            return false;
        }
        switch (variable) {
            case ID_LIST:
                break;
            case LAST_STEP_VEHICLE_NUMBER:
                tempMsg.writeUnsignedByte(TYPE_INTEGER);
                tempMsg.writeInt((int) e3->getVehiclesWithin());
                break;
            case LAST_STEP_MEAN_SPEED:
                tempMsg.writeUnsignedByte(TYPE_DOUBLE);
                tempMsg.writeDouble(e3->getCurrentMeanSpeed());
                break;
            case LAST_STEP_VEHICLE_ID_LIST: {
                tempMsg.writeUnsignedByte(TYPE_STRINGLIST);
                std::vector<std::string> ids = e3->getCurrentVehicleIDs();
                tempMsg.writeStringList(ids);
            }
            break;
            case LAST_STEP_VEHICLE_HALTING_NUMBER:
                tempMsg.writeUnsignedByte(TYPE_INTEGER);
                tempMsg.writeInt((int) e3->getCurrentHaltingNumber());
                break;
            default:
                break;
        }
    }
    server.writeStatusCmd(CMD_GET_MULTI_ENTRY_EXIT_DETECTOR_VARIABLE, RTYPE_OK, warning, outputStorage);
    server.writeResponseWithLength(outputStorage, tempMsg);
    return true;
}

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);
                    }
//.........这里部分代码省略.........

bool
TraCIServerAPI_TLS::processSet(TraCIServer& server, tcpip::Storage& inputStorage,
                               tcpip::Storage& outputStorage) {
    std::string warning = ""; // additional description for response
    // variable
    int variable = inputStorage.readUnsignedByte();
    if (variable != TL_PHASE_INDEX && variable != TL_PROGRAM
            && variable != TL_PHASE_DURATION && variable != TL_RED_YELLOW_GREEN_STATE && variable != TL_COMPLETE_PROGRAM_RYG) {
        server.writeStatusCmd(CMD_SET_TL_VARIABLE, RTYPE_ERR, "Change TLS State: unsupported variable specified", outputStorage);
        return false;
    }
    std::string id = inputStorage.readString();
    if (!MSNet::getInstance()->getTLSControl().knows(id)) {
        server.writeStatusCmd(CMD_SET_TL_VARIABLE, RTYPE_ERR, "Traffic light '" + id + "' is not known", outputStorage);
        return false;
    }
    MSTLLogicControl& tlsControl = MSNet::getInstance()->getTLSControl();
    SUMOTime cTime = MSNet::getInstance()->getCurrentTimeStep();
    MSTLLogicControl::TLSLogicVariants& vars = tlsControl.get(id);
    int valueDataType = inputStorage.readUnsignedByte();
    switch (variable) {
        case TL_PHASE_INDEX: {
            if (valueDataType != TYPE_INTEGER) {
                server.writeStatusCmd(CMD_SET_TL_VARIABLE, RTYPE_ERR, "The phase index must be given as an integer.", outputStorage);
                return false;
            }
            int index = inputStorage.readInt();
            if (index < 0 || vars.getActive()->getPhaseNumber() <= (unsigned int)index) {
                server.writeStatusCmd(CMD_SET_TL_VARIABLE, RTYPE_ERR, "The phase index is not in the allowed range.", outputStorage);
                return false;
            }
            int duration = vars.getActive()->getPhase(index).duration;
            vars.getActive()->changeStepAndDuration(tlsControl, cTime, index, duration);
        }
        break;
        case TL_PROGRAM: {
            if (valueDataType != TYPE_STRING) {
                server.writeStatusCmd(CMD_SET_TL_VARIABLE, RTYPE_ERR, "The program must be given as a string.", outputStorage);
                return false;
            }
            std::string subID = inputStorage.readString();
            try {
                vars.switchTo(tlsControl, subID);
            } catch (ProcessError& e) {
                server.writeStatusCmd(CMD_SET_TL_VARIABLE, RTYPE_ERR, e.what(), outputStorage);
                return false;
            }
        }
        break;
        case TL_PHASE_DURATION: {
            if (valueDataType != TYPE_INTEGER) {
                server.writeStatusCmd(CMD_SET_TL_VARIABLE, RTYPE_ERR, "The phase duration must be given as an integer.", outputStorage);
                return false;
            }
            int duration = inputStorage.readInt();
            int index = vars.getActive()->getCurrentPhaseIndex();
            vars.getActive()->changeStepAndDuration(tlsControl, cTime, index, duration);
        }
        break;
        case TL_RED_YELLOW_GREEN_STATE: {
            if (valueDataType != TYPE_STRING) {
                server.writeStatusCmd(CMD_SET_TL_VARIABLE, RTYPE_ERR, "The phase must be given as a string.", outputStorage);
                return false;
            }
            // build only once...
            std::string state = inputStorage.readString();
            if (vars.getLogic("online") == 0) {
                MSPhaseDefinition* phase = new MSPhaseDefinition(DELTA_T, state);
                std::vector<MSPhaseDefinition*> phases;
                phases.push_back(phase);
                MSTrafficLightLogic* logic = new MSSimpleTrafficLightLogic(tlsControl, id, "online", phases, 0, cTime + DELTA_T);
                vars.addLogic("online", logic, true, true);
            } else {
                MSPhaseDefinition nphase(DELTA_T, state);
                *(static_cast<MSSimpleTrafficLightLogic*>(vars.getLogic("online"))->getPhases()[0]) = nphase;
            }
            // @note: this assumes logic "online" is still active
            vars.getActive()->setTrafficLightSignals(MSNet::getInstance()->getCurrentTimeStep());
            vars.executeOnSwitchActions();
        }
        break;
        case TL_COMPLETE_PROGRAM_RYG: {
            if (valueDataType != TYPE_COMPOUND) {
                server.writeStatusCmd(CMD_SET_TL_VARIABLE, RTYPE_ERR, "A compound object is needed for setting a new program.", outputStorage);
                return false;
            }
            //read itemNo
            inputStorage.readInt();
            if (inputStorage.readUnsignedByte() != TYPE_STRING) {
                server.writeStatusCmd(CMD_SET_TL_VARIABLE, RTYPE_ERR, "set program: 1. parameter (subid) must be a string.", outputStorage);
                return false;
            }
            std::string subid = inputStorage.readString();
            if (inputStorage.readUnsignedByte() != TYPE_INTEGER) {
                server.writeStatusCmd(CMD_SET_TL_VARIABLE, RTYPE_ERR, "set program: 2. parameter (type) must be an int.", outputStorage);
                return false;
            }
            //read type
            inputStorage.readInt();
            if (inputStorage.readUnsignedByte() != TYPE_COMPOUND) {
//.........这里部分代码省略.........