Eclipse SUMO - Simulation of Urban MObility
TraCIServerAPI_Junction.cpp
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1 /****************************************************************************/
2 // Eclipse SUMO, Simulation of Urban MObility; see https://eclipse.org/sumo
3 // Copyright (C) 2009-2020 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 /****************************************************************************/
22 // APIs for getting/setting junction values via TraCI
23 /****************************************************************************/
24 #include <config.h>
25 
27 #include "TraCIServer.h"
28 #include <libsumo/Junction.h>
30 
31 
32 // ===========================================================================
33 // method definitions
34 // ===========================================================================
35 bool
37  tcpip::Storage& outputStorage) {
38  const int variable = inputStorage.readUnsignedByte();
39  const std::string id = inputStorage.readString();
41  try {
42  if (!libsumo::Junction::handleVariable(id, variable, &server)) {
43  switch (variable) {
44  case libsumo::VAR_SHAPE:
45  server.writePositionVector(server.getWrapperStorage(), libsumo::Junction::getShape(id));
46  break;
47  default:
48  return server.writeErrorStatusCmd(libsumo::CMD_GET_JUNCTION_VARIABLE, "Get Junction Variable: unsupported variable " + toHex(variable, 2) + " specified", outputStorage);
49  }
50  }
51  } catch (libsumo::TraCIException& e) {
52  return server.writeErrorStatusCmd(libsumo::CMD_GET_JUNCTION_VARIABLE, e.what(), outputStorage);
53  }
55  server.writeResponseWithLength(outputStorage, server.getWrapperStorage());
56  return true;
57 }
58 
59 
60 /****************************************************************************/
std::string toHex(const T i, std::streamsize numDigits=0)
Definition: ToString.h:54
static bool processGet(TraCIServer &server, tcpip::Storage &inputStorage, tcpip::Storage &outputStorage)
Processes a get value command (Command 0xa9: Get Junction Variable)
TraCI server used to control sumo by a remote TraCI client.
Definition: TraCIServer.h:59
void writeStatusCmd(int commandId, int status, const std::string &description, tcpip::Storage &outputStorage)
Writes a status command to the given storage.
tcpip::Storage & getWrapperStorage()
void initWrapper(const int domainID, const int variable, const std::string &objID)
bool writeErrorStatusCmd(int commandId, const std::string &description, tcpip::Storage &outputStorage)
Writes a status command to the given storage with status = RTYPE_ERR.
void writePositionVector(tcpip::Storage &outputStorage, const libsumo::TraCIPositionVector &shape)
void writeResponseWithLength(tcpip::Storage &outputStorage, tcpip::Storage &tempMsg)
virtual std::string readString()
Definition: storage.cpp:175
virtual int readUnsignedByte()
Definition: storage.cpp:150
TRACI_CONST int CMD_GET_JUNCTION_VARIABLE
TRACI_CONST int VAR_SHAPE
TRACI_CONST int RTYPE_OK
TRACI_CONST int RESPONSE_GET_JUNCTION_VARIABLE