Line data    Source code

       1              : /****************************************************************************/
       2              : // Eclipse SUMO, Simulation of Urban MObility; see https://eclipse.dev/sumo
       3              : // Copyright (C) 2009-2025 German Aerospace Center (DLR) and others.
       4              : // This program and the accompanying materials are made available under the
       5              : // terms of the Eclipse Public License 2.0 which is available at
       6              : // https://www.eclipse.org/legal/epl-2.0/
       7              : // This Source Code may also be made available under the following Secondary
       8              : // Licenses when the conditions for such availability set forth in the Eclipse
       9              : // Public License 2.0 are satisfied: GNU General Public License, version 2
      10              : // or later which is available at
      11              : // https://www.gnu.org/licenses/old-licenses/gpl-2.0-standalone.html
      12              : // SPDX-License-Identifier: EPL-2.0 OR GPL-2.0-or-later
      13              : /****************************************************************************/
      14              : /// @file    TraCIServerAPI_InductionLoop.cpp
      15              : /// @author  Daniel Krajzewicz
      16              : /// @author  Laura Bieker
      17              : /// @author  Michael Behrisch
      18              : /// @author  Jakob Erdmann
      19              : /// @date    07.05.2009
      20              : ///
      21              : // APIs for getting/setting induction loop values via TraCI
      22              : /****************************************************************************/
      23              : #include <config.h>
      24              : 
      25              : #include <microsim/MSNet.h>
      26              : #include <microsim/output/MSDetectorControl.h>
      27              : #include <libsumo/InductionLoop.h>
      28              : #include <libsumo/TraCIConstants.h>
      29              : #include <libsumo/StorageHelper.h>
      30              : #include "TraCIServerAPI_InductionLoop.h"
      31              : 
      32              : 
      33              : // ===========================================================================
      34              : // method definitions
      35              : // ===========================================================================
      36              : bool
      37        31963 : TraCIServerAPI_InductionLoop::processGet(TraCIServer& server, tcpip::Storage& inputStorage,
      38              :         tcpip::Storage& outputStorage) {
      39        31963 :     const int variable = inputStorage.readUnsignedByte();
      40        31963 :     const std::string id = inputStorage.readString();
      41        31963 :     server.initWrapper(libsumo::RESPONSE_GET_INDUCTIONLOOP_VARIABLE, variable, id);
      42              :     try {
      43        31963 :         if (!libsumo::InductionLoop::handleVariable(id, variable, &server, &inputStorage)) {
      44            4 :             return server.writeErrorStatusCmd(libsumo::CMD_GET_INDUCTIONLOOP_VARIABLE,
      45            4 :                                                 "Get Induction Loop Variable: unsupported variable " + toHex(variable, 2)
      46            4 :                                                 + " specified", outputStorage);
      47              :         }
      48            5 :     } catch (libsumo::TraCIException& e) {
      49            5 :         return server.writeErrorStatusCmd(libsumo::CMD_GET_INDUCTIONLOOP_VARIABLE, e.what(), outputStorage);
      50            5 :     }
      51        31954 :     server.writeStatusCmd(libsumo::CMD_GET_INDUCTIONLOOP_VARIABLE, libsumo::RTYPE_OK, "", outputStorage);
      52        31954 :     server.writeResponseWithLength(outputStorage, server.getWrapperStorage());
      53              :     return true;
      54              : }
      55              : 
      56              : 
      57              : bool
      58           18 : TraCIServerAPI_InductionLoop::processSet(TraCIServer& server, tcpip::Storage& inputStorage,
      59              :         tcpip::Storage& outputStorage) {
      60           18 :     std::string warning = ""; // additional description for response
      61              :     // variable
      62           18 :     int variable = inputStorage.readUnsignedByte();
      63           18 :     if (variable != libsumo::VAR_PARAMETER
      64           18 :             && variable != libsumo::VAR_VIRTUAL_DETECTION
      65              :        ) {
      66            0 :         return server.writeErrorStatusCmd(libsumo::CMD_SET_INDUCTIONLOOP_VARIABLE, "Set Induction Variable: unsupported variable " + toHex(variable, 2) + " specified", outputStorage);
      67              :     }
      68              :     // id
      69           18 :     std::string id = inputStorage.readString();
      70              :     // process
      71              :     try {
      72           18 :         switch (variable) {
      73           10 :             case libsumo::VAR_VIRTUAL_DETECTION: {
      74           10 :                 double time = -1;
      75           10 :                 if (!server.readTypeCheckingDouble(inputStorage, time)) {
      76            0 :                     return server.writeErrorStatusCmd(libsumo::CMD_SET_INDUCTIONLOOP_VARIABLE, "Setting time since last detection requires a double.", outputStorage);
      77              :                 }
      78           10 :                 libsumo::InductionLoop::overrideTimeSinceDetection(id, time);
      79           10 :                 break;
      80              :             }
      81              :             case libsumo::VAR_PARAMETER: {
      82            8 :                 StoHelp::readCompound(inputStorage, 2, "A compound object of size 2 is needed for setting a parameter.");
      83            8 :                 const std::string name = StoHelp::readTypedString(inputStorage, "The name of the parameter must be given as a string.");
      84            8 :                 const std::string value = StoHelp::readTypedString(inputStorage, "The value of the parameter must be given as a string.");
      85            8 :                 libsumo::InductionLoop::setParameter(id, name, value);
      86              :                 break;
      87              :             }
      88              :             default:
      89              :                 break;
      90              :         }
      91            0 :     } catch (libsumo::TraCIException& e) {
      92            0 :         return server.writeErrorStatusCmd(libsumo::CMD_SET_INDUCTIONLOOP_VARIABLE, e.what(), outputStorage);
      93            0 :     }
      94           18 :     server.writeStatusCmd(libsumo::CMD_SET_INDUCTIONLOOP_VARIABLE, libsumo::RTYPE_OK, warning, outputStorage);
      95              :     return true;
      96              : }
      97              : 
      98              : 
      99              : /****************************************************************************/