Line data Source code
1 : /****************************************************************************/
2 : // Eclipse SUMO, Simulation of Urban MObility; see https://eclipse.dev/sumo
3 : // Copyright (C) 2001-2024 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 sumo_main.cpp
15 : /// @author Daniel Krajzewicz
16 : /// @author Jakob Erdmann
17 : /// @author Axel Wegener
18 : /// @author Thimor Bohn
19 : /// @author Michael Behrisch
20 : /// @date Tue, 20 Nov 2001
21 : ///
22 : // Main for SUMO
23 : /****************************************************************************/
24 : #include <config.h>
25 :
26 : #ifdef HAVE_VERSION_H
27 : #include <version.h>
28 : #endif
29 :
30 : #include <csignal>
31 : #include <netload/NLBuilder.h>
32 : #include <utils/common/MsgHandler.h>
33 : #include <utils/common/SystemFrame.h>
34 : #include <utils/options/OptionsIO.h>
35 : #include <utils/xml/XMLSubSys.h>
36 : #include <traci-server/TraCIServer.h>
37 :
38 :
39 : // ===========================================================================
40 : // functions
41 : // ===========================================================================
42 : void
43 7 : signalHandler(int signum) {
44 7 : if (MSNet::hasInstance()) {
45 7 : switch (signum) {
46 7 : case SIGINT:
47 : case SIGTERM:
48 7 : if (MSNet::getInstance()->isInterrupted()) {
49 0 : std::cout << TL("Another interrupt signal received, hard exit.") << std::endl;
50 0 : exit(signum);
51 : }
52 7 : std::cout << TL("Interrupt signal received, trying to exit gracefully.") << std::endl;
53 7 : MSNet::getInstance()->interrupt();
54 : break;
55 : #ifndef WIN32
56 : case SIGUSR1:
57 0 : std::cout << "Step #" << SIMSTEP << std::endl;
58 0 : std::cout << MSNet::getInstance()->generateStatistics(string2time(OptionsCont::getOptions().getString("begin")),
59 : SysUtils::getCurrentMillis()) << std::endl;
60 0 : break;
61 : case SIGUSR2:
62 : //TODO reload sim
63 : break;
64 : #endif
65 : default:
66 : break;
67 : }
68 : }
69 7 : }
70 :
71 :
72 : /* -------------------------------------------------------------------------
73 : * main
74 : * ----------------------------------------------------------------------- */
75 : int
76 35709 : main(int argc, char** argv) {
77 35709 : signal(SIGINT, signalHandler);
78 35709 : signal(SIGTERM, signalHandler);
79 : #ifndef WIN32
80 35709 : signal(SIGUSR1, signalHandler);
81 35709 : signal(SIGUSR2, signalHandler);
82 : #endif
83 :
84 35709 : OptionsCont& oc = OptionsCont::getOptions();
85 : // give some application descriptions
86 35709 : oc.setApplicationDescription(TL("A microscopic, multi-modal traffic simulation."));
87 71418 : oc.setApplicationName("sumo", "Eclipse SUMO sumo Version " VERSION_STRING);
88 35709 : gSimulation = true;
89 : int ret = 0;
90 : MSNet* net = nullptr;
91 : try {
92 : // initialise subsystems
93 35709 : XMLSubSys::init();
94 35709 : OptionsIO::setArgs(argc, argv);
95 : // load the net
96 : MSNet::SimulationState state = MSNet::SIMSTATE_LOADING;
97 66621 : while (state == MSNet::SIMSTATE_LOADING) {
98 35722 : net = NLBuilder::init();
99 31486 : if (net != nullptr) {
100 62458 : state = net->simulate(string2time(oc.getString("begin")), string2time(oc.getString("end")));
101 30912 : delete net;
102 : } else {
103 : break;
104 : }
105 : // flush warnings and prepare reinit of all outputs
106 30912 : MsgHandler::getWarningInstance()->clear();
107 30912 : OutputDevice::closeAll();
108 30912 : MsgHandler::cleanupOnEnd();
109 : }
110 4553 : } catch (const ProcessError& e) {
111 11176 : if (std::string(e.what()) != std::string("Process Error") && std::string(e.what()) != std::string("")) {
112 6582 : WRITE_ERROR(e.what());
113 : }
114 4552 : MsgHandler::getErrorInstance()->inform(TL("Quitting (on error)."), false);
115 : // we need to delete the network explicitly to trigger the cleanup in the correct order
116 4552 : delete net;
117 : ret = 1;
118 : #ifndef _DEBUG
119 4553 : } catch (const std::exception& e) {
120 2 : if (std::string(e.what()) != std::string("")) {
121 2 : WRITE_ERROR(e.what());
122 : }
123 1 : MsgHandler::getErrorInstance()->inform(TL("Quitting (on error)."), false);
124 : ret = 1;
125 1 : } catch (...) {
126 0 : MsgHandler::getErrorInstance()->inform(TL("Quitting (on unknown error)."), false);
127 : ret = 1;
128 : #endif
129 0 : }
130 35709 : TraCIServer::close();
131 35709 : SystemFrame::close();
132 : return ret;
133 : }
134 :
135 :
136 : /****************************************************************************/
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