Line data Source code
1 : /****************************************************************************/
2 : // Eclipse SUMO, Simulation of Urban MObility; see https://eclipse.dev/sumo
3 : // Copyright (C) 2003-2024 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 MSVehicleTransfer.h
15 : /// @author Daniel Krajzewicz
16 : /// @author Michael Behrisch
17 : /// @author Jakob Erdmann
18 : /// @date Sep 2003
19 : ///
20 : // A mover of vehicles that got stucked due to grid locks
21 : // This class also serves as container for parking vehicles
22 : /****************************************************************************/
23 : #pragma once
24 : #include <config.h>
25 :
26 : #include <string>
27 : #include <vector>
28 : #include <map>
29 : #include <set>
30 : #include <utils/foxtools/MFXSynchQue.h>
31 :
32 :
33 : // ===========================================================================
34 : // class declarations
35 : // ===========================================================================
36 : class MSEdge;
37 : class MSLane;
38 : class MSVehicle;
39 : class MSVehicleControl;
40 : class SUMOSAXAttributes;
41 :
42 :
43 : // ===========================================================================
44 : // class definitions
45 : // ===========================================================================
46 : /**
47 : * @class MSVehicleTransfer
48 : * This object (each simulation owns exactly one) is responsible for the
49 : * transfer of vehicles that got stuck within the network due to grid locks.
50 : * It also manages vehicles that are removed from the network because of stops
51 : * with the parking attribute.
52 : *
53 : * The method add is called by a lane if a vehicle stood to long at this
54 : * lane's end. After being added to this transfer object and removed from the
55 : * lane, it is moved over the consecutive edges. On each edge, it is tried to
56 : * insert the vehicle again. The lanes are of course chosen by examining the
57 : * vehicle's real route.
58 : *
59 : * This object is used as a singleton
60 : */
61 : class MSVehicleTransfer {
62 : public:
63 : /// @brief Destructor
64 : virtual ~MSVehicleTransfer();
65 :
66 :
67 : /** @brief Adds a vehicle to this transfer object
68 : *
69 : * The vehicle is removed from the network as it would end the trip.
70 : * If the vehicle's next edge is his last one, the vehicle is also
71 : * removed from the vehicle control.
72 : *
73 : * @param[in] veh The vehicle to add
74 : */
75 : void add(const SUMOTime t, MSVehicle* veh);
76 :
77 :
78 : /** @brief Remove a vehicle from this transfer object
79 : *
80 : * The vehicle is removed from the transfer if present.
81 : * This should be necessary only in the context of TraCI removals.
82 : *
83 : * @param[in] veh The vehicle to remove
84 : */
85 : void remove(MSVehicle* veh);
86 :
87 :
88 : /** @brief Checks "movement" of stored vehicles
89 : *
90 : * Checks whether one of the stored vehicles may be inserted back into
91 : * the network. If not, the vehicle may move virtually to the next lane
92 : * of its route
93 : *
94 : * @param[in] time The current simulation time
95 : */
96 : void checkInsertions(SUMOTime time);
97 :
98 :
99 : /** @brief Saves the current state into the given stream */
100 : void saveState(OutputDevice& out);
101 :
102 : /** @brief Remove all vehicles before quick-loading state */
103 : void clearState();
104 :
105 : /** @brief Loads one transfer vehicle state from the given descriptionn */
106 : void loadState(const SUMOSAXAttributes& attrs, const SUMOTime offset, MSVehicleControl& vc);
107 :
108 : /** @brief Returns the instance of this object
109 : * @return The singleton instance
110 : */
111 : static MSVehicleTransfer* getInstance();
112 :
113 : /// @brief The minimum speed while teleporting
114 : static const double TeleportMinSpeed;
115 :
116 : private:
117 : /// @brief Constructor
118 : MSVehicleTransfer();
119 :
120 :
121 : protected:
122 : /**
123 : * @struct VehicleInformation
124 : * @brief Holds the information needed to move the vehicle over the network
125 : */
126 : struct VehicleInformation {
127 : /// @brief the time at which this vehicle was removed from the network
128 : SUMOTime myTransferTime;
129 : /// @brief The vehicle itself
130 : MSVehicle* myVeh;
131 : /// @brief The time at which the vehicle should be moved virtually one edge further
132 : SUMOTime myProceedTime;
133 : /// @brief whether the vehicle is or was parking
134 : bool myParking;
135 : /// @brief whether the vehicle is or was jumping
136 : bool myJumping;
137 :
138 : /** @brief Constructor
139 : * @param[in] veh The teleported vehicle
140 : * @param[in] insertTime The time the vehicle was inserted at
141 : * @param[in] proceedTime The time at which the vehicle should be moved virtually one edge further
142 : */
143 : VehicleInformation(SUMOTime t, MSVehicle* veh, SUMOTime proceedTime, bool parking, bool jumping)
144 19493 : : myTransferTime(t), myVeh(veh), myProceedTime(proceedTime), myParking(parking), myJumping(jumping) { }
145 :
146 : /// @brief sort by vehicle ID for repeatable parallel simulation
147 : bool operator<(const VehicleInformation& v2) const;
148 : };
149 :
150 :
151 : /// @brief The information about stored vehicles to move virtually
152 : MFXSynchQue<VehicleInformation, std::vector<VehicleInformation> > myVehicles;
153 :
154 : /// @brief The static singleton-instance
155 : static MSVehicleTransfer* myInstance;
156 :
157 : };
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