Used a std::atomic for StoreSession::_units_stores and _unit_count
[pulseview.git] / main.cpp
1 /*
2  * This file is part of the PulseView project.
3  *
4  * Copyright (C) 2012 Joel Holdsworth <joel@airwebreathe.org.uk>
5  *
6  * This program is free software; you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License as published by
8  * the Free Software Foundation; either version 2 of the License, or
9  * (at your option) any later version.
10  *
11  * This program is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14  * GNU General Public License for more details.
15  *
16  * You should have received a copy of the GNU General Public License
17  * along with this program; if not, write to the Free Software
18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
19  */
20
21 #ifdef ENABLE_DECODE
22 #include <libsigrokdecode/libsigrokdecode.h> /* First, so we avoid a _POSIX_C_SOURCE warning. */
23 #endif
24
25 #include <stdint.h>
26 #include <libsigrok/libsigrok.h>
27
28 #include <getopt.h>
29
30 #include <QtGui/QApplication>
31 #include <QDebug>
32
33 #ifdef ENABLE_SIGNALS
34 #include "signalhandler.h"
35 #endif
36
37 #include "pv/devicemanager.h"
38 #include "pv/mainwindow.h"
39
40 #include "config.h"
41
42 #ifdef _WIN32
43 // The static qsvg lib is required for SVG graphics/icons (on Windows).
44 #include <QtPlugin>
45 Q_IMPORT_PLUGIN(qsvg)
46 #endif
47
48 void usage()
49 {
50         fprintf(stdout,
51                 "Usage:\n"
52                 "  %s [OPTION…] [FILE] — %s\n"
53                 "\n"
54                 "Help Options:\n"
55                 "  -l, --loglevel                  Set libsigrok/libsigrokdecode loglevel\n"
56                 "  -V, --version                   Show release version\n"
57                 "  -h, -?, --help                  Show help option\n"
58                 "\n", PV_BIN_NAME, PV_DESCRIPTION);
59 }
60
61 int main(int argc, char *argv[])
62 {
63         int ret = 0;
64         struct sr_context *sr_ctx = NULL;
65         const char *open_file = NULL;
66
67         QApplication a(argc, argv);
68
69         // Set some application metadata
70         QApplication::setApplicationVersion(PV_VERSION_STRING);
71         QApplication::setApplicationName("PulseView");
72         QApplication::setOrganizationDomain("http://www.sigrok.org");
73
74         // Parse arguments
75         while (1) {
76                 static const struct option long_options[] = {
77                         {"loglevel", required_argument, 0, 'l'},
78                         {"version", no_argument, 0, 'V'},
79                         {"help", no_argument, 0, 'h'},
80                         {0, 0, 0, 0}
81                 };
82
83                 const int c = getopt_long(argc, argv,
84                         "l:Vh?", long_options, NULL);
85                 if (c == -1)
86                         break;
87
88                 switch (c) {
89                 case 'l':
90                 {
91                         const int loglevel = atoi(optarg);
92                         sr_log_loglevel_set(loglevel);
93
94 #ifdef ENABLE_DECODE
95                         srd_log_loglevel_set(loglevel);
96 #endif
97
98                         break;
99                 }
100
101                 case 'V':
102                         // Print version info
103                         fprintf(stdout, "%s %s\n", PV_TITLE, PV_VERSION_STRING);
104                         return 0;
105
106                 case 'h':
107                 case '?':
108                         usage();
109                         return 0;
110                 }
111         }
112
113         if (argc - optind > 1) {
114                 fprintf(stderr, "Only one file can be openened.\n");
115                 return 1;
116         } else if (argc - optind == 1)
117                 open_file = argv[argc - 1];
118
119         // Initialise libsigrok
120         if (sr_init(&sr_ctx) != SR_OK) {
121                 qDebug() << "ERROR: libsigrok init failed.";
122                 return 1;
123         }
124
125         do {
126
127 #ifdef ENABLE_DECODE
128                 // Initialise libsigrokdecode
129                 if (srd_init(NULL) != SRD_OK) {
130                         qDebug() << "ERROR: libsigrokdecode init failed.";
131                         break;
132                 }
133
134                 // Load the protocol decoders
135                 srd_decoder_load_all();
136 #endif
137
138                 try {
139                         // Create the device manager, initialise the drivers
140                         pv::DeviceManager device_manager(sr_ctx);
141
142                         // Initialise the main window
143                         pv::MainWindow w(device_manager, open_file);
144                         w.show();
145
146 #ifdef ENABLE_SIGNALS
147                         if(SignalHandler::prepare_signals()) {
148                                 SignalHandler *const handler =
149                                         new SignalHandler(&w);
150                                 QObject::connect(handler,
151                                         SIGNAL(int_received()),
152                                         &w, SLOT(close()));
153                                 QObject::connect(handler,
154                                         SIGNAL(term_received()),
155                                         &w, SLOT(close()));
156                         } else {
157                                 qWarning() <<
158                                         "Could not prepare signal handler.";
159                         }
160 #endif
161
162                         // Run the application
163                         ret = a.exec();
164
165                 } catch(std::exception e) {
166                         qDebug() << e.what();
167                 }
168
169 #ifdef ENABLE_DECODE
170                 // Destroy libsigrokdecode
171                 srd_exit();
172 #endif
173
174         } while (0);
175
176         // Destroy libsigrok
177         if (sr_ctx)
178                 sr_exit(sr_ctx);
179
180         return ret;
181 }