1 /****************************************************************************/
2 // Eclipse SUMO, Simulation of Urban MObility; see https://eclipse.org/sumo
3 // Copyright (C) 2001-2019 German Aerospace Center (DLR) and others.
4 // This program and the accompanying materials
5 // are made available under the terms of the Eclipse Public License v2.0
6 // which accompanies this distribution, and is available at
7 // http://www.eclipse.org/legal/epl-v20.html
8 // SPDX-License-Identifier: EPL-2.0
9 /****************************************************************************/
10 /// @file sumo_main.cpp
11 /// @author Daniel Krajzewicz
12 /// @author Jakob Erdmann
13 /// @author Axel Wegener
14 /// @author Thimor Bohn
15 /// @author Michael Behrisch
16 /// @date Tue, 20 Nov 2001
17 /// @version $Id$
18 ///
19 // Main for SUMO
20 /****************************************************************************/
21
22
23 // ===========================================================================
24 // included modules
25 // ===========================================================================
26 #include <config.h>
27
28 #ifdef HAVE_VERSION_H
29 #include <version.h>
30 #endif
31
32 #include <ctime>
33 #include <csignal>
34 #include <string>
35 #include <iostream>
36 #include <netload/NLBuilder.h>
37 #include <utils/options/OptionsCont.h>
38 #include <utils/options/OptionsIO.h>
39 #include <utils/iodevices/OutputDevice.h>
40 #include <utils/common/MsgHandler.h>
41 #include <utils/common/SystemFrame.h>
42 #include <utils/common/UtilExceptions.h>
43 #include <utils/common/ToString.h>
44 #include <utils/common/StdDefs.h>
45 #include <utils/xml/XMLSubSys.h>
46 #include <traci-server/TraCIServer.h>
47
48
49 // ===========================================================================
50 // functions
51 // ===========================================================================
52 void
signalHandler(int signum)53 signalHandler(int signum) {
54 if (MSNet::hasInstance()) {
55 switch (signum) {
56 case SIGINT:
57 case SIGTERM:
58 if (MSNet::getInstance()->isInterrupted()) {
59 std::cout << "Another interrupt signal received, hard exit." << std::endl;
60 exit(signum);
61 }
62 std::cout << "Interrupt signal received, trying to exit gracefully." << std::endl;
63 MSNet::getInstance()->interrupt();
64 break;
65 #ifndef _MSC_VER
66 case SIGUSR1:
67 std::cout << "Step #" << SIMSTEP << std::endl;
68 std::cout << MSNet::getInstance()->generateStatistics(string2time(OptionsCont::getOptions().getString("begin"))) << std::endl;
69 break;
70 case SIGUSR2:
71 //TODO reload sim
72 break;
73 #endif
74 default:
75 break;
76 }
77 }
78 }
79
80
81 /* -------------------------------------------------------------------------
82 * main
83 * ----------------------------------------------------------------------- */
84 int
main(int argc,char ** argv)85 main(int argc, char** argv) {
86 signal(SIGINT, signalHandler);
87 signal(SIGTERM, signalHandler);
88 #ifndef _MSC_VER
89 signal(SIGUSR1, signalHandler);
90 signal(SIGUSR2, signalHandler);
91 #endif
92
93 OptionsCont& oc = OptionsCont::getOptions();
94 // give some application descriptions
95 oc.setApplicationDescription("A microscopic, multi-modal traffic simulation.");
96 oc.setApplicationName("sumo", "Eclipse SUMO Version " VERSION_STRING);
97 gSimulation = true;
98 int ret = 0;
99 MSNet* net = nullptr;
100 try {
101 // initialise subsystems
102 XMLSubSys::init();
103 OptionsIO::setArgs(argc, argv);
104 // load the net
105 MSNet::SimulationState state = MSNet::SIMSTATE_LOADING;
106 while (state == MSNet::SIMSTATE_LOADING) {
107 net = NLBuilder::init();
108 if (net != nullptr) {
109 state = net->simulate(string2time(oc.getString("begin")), string2time(oc.getString("end")));
110 delete net;
111 } else {
112 break;
113 }
114 }
115 } catch (const ProcessError& e) {
116 if (std::string(e.what()) != std::string("Process Error") && std::string(e.what()) != std::string("")) {
117 WRITE_ERROR(e.what());
118 }
119 MsgHandler::getErrorInstance()->inform("Quitting (on error).", false);
120 // we need to delete the network explicitly to trigger the cleanup in the correct order
121 delete net;
122 ret = 1;
123 #ifndef _DEBUG
124 } catch (const std::exception& e) {
125 if (std::string(e.what()) != std::string("")) {
126 WRITE_ERROR(e.what());
127 }
128 MsgHandler::getErrorInstance()->inform("Quitting (on error).", false);
129 ret = 1;
130 } catch (...) {
131 MsgHandler::getErrorInstance()->inform("Quitting (on unknown error).", false);
132 ret = 1;
133 #endif
134 }
135 TraCIServer::close();
136 SystemFrame::close();
137 return ret;
138 }
139
140
141 /****************************************************************************/
142