MSVehicleControl.cpp

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/****************************************************************************/
// The class responsible for building and deletion of vehicles
/****************************************************************************/
// SUMO, Simulation of Urban MObility; see http://sumo.sourceforge.net/
// Copyright (C) 2001-2012 DLR (http://www.dlr.de/) and contributors
/****************************************************************************/
//
//   This file is part of SUMO.
//   SUMO is free software: you can redistribute it and/or modify
//   it under the terms of the GNU General Public License as published by
//   the Free Software Foundation, either version 3 of the License, or
//   (at your option) any later version.
//
/****************************************************************************/


// ===========================================================================
// included modules
// ===========================================================================
#ifdef _MSC_VER
#include <windows_config.h>
#else
#include <config.h>
#endif

#include "MSVehicleControl.h"
#include "MSVehicle.h"
#include "MSLane.h"
#include <microsim/devices/MSDevice.h>
#include <utils/common/FileHelpers.h>
#include <utils/common/RGBColor.h>
#include <utils/common/SUMOVTypeParameter.h>
#include <utils/iodevices/BinaryInputDevice.h>
#include <utils/iodevices/OutputDevice.h>
#include <utils/options/OptionsCont.h>

#ifdef CHECK_MEMORY_LEAKS
#include <foreign/nvwa/debug_new.h>
#endif // CHECK_MEMORY_LEAKS


// ===========================================================================
// member method definitions
// ===========================================================================
MSVehicleControl::MSVehicleControl() :
    myLoadedVehNo(0),
    myRunningVehNo(0),
    myEndedVehNo(0),
    myTotalDepartureDelay(0),
    myTotalTravelTime(0),
    myDefaultVTypeMayBeDeleted(true),
    myWaitingForPerson(0) {
    SUMOVTypeParameter defType;
    myVTypeDict[DEFAULT_VTYPE_ID] = MSVehicleType::build(defType);
}


MSVehicleControl::~MSVehicleControl() {
    // delete vehicles
    for (VehicleDictType::iterator i = myVehicleDict.begin(); i != myVehicleDict.end(); ++i) {
        delete(*i).second;
    }
    myVehicleDict.clear();
    // delete vehicle type distributions
    for (VTypeDistDictType::iterator i = myVTypeDistDict.begin(); i != myVTypeDistDict.end(); ++i) {
        delete(*i).second;
    }
    myVTypeDistDict.clear();
    // delete vehicle types
    for (VTypeDictType::iterator i = myVTypeDict.begin(); i != myVTypeDict.end(); ++i) {
        delete(*i).second;
    }
    myVTypeDict.clear();
}


SUMOVehicle*
MSVehicleControl::buildVehicle(SUMOVehicleParameter* defs,
                               const MSRoute* route,
                               const MSVehicleType* type) {
    myLoadedVehNo++;
    MSVehicle* built = new MSVehicle(defs, route, type, myLoadedVehNo - 1);
    MSNet::getInstance()->informVehicleStateListener(built, MSNet::VEHICLE_STATE_BUILT);
    return built;
}


void
MSVehicleControl::scheduleVehicleRemoval(SUMOVehicle* veh) {
    assert(myRunningVehNo > 0);
    for (std::vector<MSDevice*>::const_iterator i = veh->getDevices().begin(); i != veh->getDevices().end(); ++i) {
        (*i)->generateOutput();
    }
    if (OptionsCont::getOptions().isSet("tripinfo-output")) {
        OutputDevice::getDeviceByOption("tripinfo-output").closeTag(veh->getDevices().size() == 1);
    }
    myTotalTravelTime += STEPS2TIME(MSNet::getInstance()->getCurrentTimeStep() - veh->getDeparture());
    myRunningVehNo--;
    MSNet::getInstance()->informVehicleStateListener(veh, MSNet::VEHICLE_STATE_ARRIVED);
    deleteVehicle(veh);
}


void
MSVehicleControl::printMeanWaitingTime(OutputDevice& od) const {
    if (getDepartedVehicleNo() == 0) {
        od << -1.;
    } else {
        od << (myTotalDepartureDelay / (SUMOReal) getDepartedVehicleNo());
    }
}


void
MSVehicleControl::printMeanTravelTime(OutputDevice& od) const {
    if (myEndedVehNo == 0) {
        od << -1.;
    } else {
        od << (myTotalTravelTime / (SUMOReal) myEndedVehNo);
    }
}


void
MSVehicleControl::vehicleDeparted(const SUMOVehicle& v) {
    ++myRunningVehNo;
    myTotalDepartureDelay += STEPS2TIME(v.getDeparture() - STEPFLOOR(v.getParameter().depart));
    MSNet::getInstance()->informVehicleStateListener(&v, MSNet::VEHICLE_STATE_DEPARTED);
}


void
MSVehicleControl::saveState(std::ostream& /*os*/) {
}


void
MSVehicleControl::loadState(BinaryInputDevice& /*bis*/, const SUMOTime /*offset*/) {
}


bool
MSVehicleControl::addVehicle(const std::string& id, SUMOVehicle* v) {
    VehicleDictType::iterator it = myVehicleDict.find(id);
    if (it == myVehicleDict.end()) {
        // id not in myVehicleDict.
        myVehicleDict[id] = v;
        return true;
    }
    return false;
}


SUMOVehicle*
MSVehicleControl::getVehicle(const std::string& id) const {
    VehicleDictType::const_iterator it = myVehicleDict.find(id);
    if (it == myVehicleDict.end()) {
        return 0;
    }
    return it->second;
}


void
MSVehicleControl::deleteVehicle(SUMOVehicle* veh) {
    myEndedVehNo++;
    myVehicleDict.erase(veh->getID());
    delete veh;
}


MSVehicleControl::constVehIt
MSVehicleControl::loadedVehBegin() const {
    return myVehicleDict.begin();
}


MSVehicleControl::constVehIt
MSVehicleControl::loadedVehEnd() const {
    return myVehicleDict.end();
}


bool
MSVehicleControl::checkVType(const std::string& id) {
    if (id == DEFAULT_VTYPE_ID) {
        if (myDefaultVTypeMayBeDeleted) {
            delete myVTypeDict[id];
            myVTypeDict.erase(myVTypeDict.find(id));
            myDefaultVTypeMayBeDeleted = false;
        } else {
            return false;
        }
    } else {
        if (myVTypeDict.find(id) != myVTypeDict.end() || myVTypeDistDict.find(id) != myVTypeDistDict.end()) {
            return false;
        }
    }
    return true;
}

bool
MSVehicleControl::addVType(MSVehicleType* vehType) {
    if (checkVType(vehType->getID())) {
        myVTypeDict[vehType->getID()] = vehType;
        return true;
    }
    return false;
}


bool
MSVehicleControl::addVTypeDistribution(const std::string& id, RandomDistributor<MSVehicleType*> *vehTypeDistribution) {
    if (checkVType(id)) {
        myVTypeDistDict[id] = vehTypeDistribution;
        return true;
    }
    return false;
}


bool
MSVehicleControl::hasVTypeDistribution(const std::string& id) const {
    return myVTypeDistDict.find(id) != myVTypeDistDict.end();
}


MSVehicleType*
MSVehicleControl::getVType(const std::string& id) {
    VTypeDictType::iterator it = myVTypeDict.find(id);
    if (it == myVTypeDict.end()) {
        VTypeDistDictType::iterator it2 = myVTypeDistDict.find(id);
        if (it2 == myVTypeDistDict.end()) {
            return 0;
        }
        return it2->second->get();
    }
    if (id == DEFAULT_VTYPE_ID) {
        myDefaultVTypeMayBeDeleted = false;
    }
    return it->second;
}


void
MSVehicleControl::insertVTypeIDs(std::vector<std::string> &into) const {
    into.reserve(into.size() + myVTypeDict.size() + myVTypeDistDict.size());
    for (VTypeDictType::const_iterator i = myVTypeDict.begin(); i != myVTypeDict.end(); ++i) {
        into.push_back((*i).first);
    }
    for (VTypeDistDictType::const_iterator i = myVTypeDistDict.begin(); i != myVTypeDistDict.end(); ++i) {
        into.push_back((*i).first);
    }
}


void
MSVehicleControl::addWaiting(const MSEdge* const edge, SUMOVehicle* vehicle) {
    if (myWaiting.find(edge) == myWaiting.end()) {
        myWaiting[edge] = std::vector<SUMOVehicle*>();
    }
    myWaiting[edge].push_back(vehicle);
}


void
MSVehicleControl::removeWaiting(const MSEdge* const edge, SUMOVehicle* vehicle) {
    if (myWaiting.find(edge) != myWaiting.end()) {
        std::vector<SUMOVehicle*>::iterator it = std::find(myWaiting[edge].begin(), myWaiting[edge].end(), vehicle);
        if (it != myWaiting[edge].end()) {
            myWaiting[edge].erase(it);
        }
    }
}


SUMOVehicle*
MSVehicleControl::getWaitingVehicle(const MSEdge* const edge, const std::set<std::string> &lines) {
    if (myWaiting.find(edge) != myWaiting.end()) {
        for (std::vector<SUMOVehicle*>::const_iterator it = myWaiting[edge].begin(); it != myWaiting[edge].end(); ++it) {
            const std::string& line = (*it)->getParameter().line == "" ? (*it)->getParameter().id : (*it)->getParameter().line;
            if (lines.count(line)) {
                return (*it);
            }
        }
    }
    return 0;
}


void
MSVehicleControl::abortWaiting() {
    for (VehicleDictType::iterator i = myVehicleDict.begin(); i != myVehicleDict.end(); ++i) {
        WRITE_WARNING("Vehicle " + i->first + " aborted waiting for a person that will never come.");
    }
}

/****************************************************************************/