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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, see <http://www.gnu.org/licenses/>. | |
18 | */ | |
19 | ||
20 | #ifdef ENABLE_DECODE | |
21 | #include <libsigrokdecode/libsigrokdecode.h> /* First, so we avoid a _POSIX_C_SOURCE warning. */ | |
22 | #endif | |
23 | ||
24 | #include <cstdint> | |
25 | #include <fstream> | |
26 | #include <getopt.h> | |
27 | #include <vector> | |
28 | ||
29 | #include <libsigrokcxx/libsigrokcxx.hpp> | |
30 | ||
31 | #include <QCheckBox> | |
32 | #include <QDebug> | |
33 | #include <QFile> | |
34 | #include <QFileInfo> | |
35 | #include <QMessageBox> | |
36 | #include <QSettings> | |
37 | #include <QTextStream> | |
38 | ||
39 | #include "config.h" | |
40 | ||
41 | #ifdef ENABLE_SIGNALS | |
42 | #include "signalhandler.hpp" | |
43 | #endif | |
44 | ||
45 | #ifdef ENABLE_STACKTRACE | |
46 | #include <signal.h> | |
47 | #include <boost/stacktrace.hpp> | |
48 | #include <QStandardPaths> | |
49 | #endif | |
50 | ||
51 | #include "pv/application.hpp" | |
52 | #include "pv/devicemanager.hpp" | |
53 | #include "pv/globalsettings.hpp" | |
54 | #include "pv/logging.hpp" | |
55 | #include "pv/mainwindow.hpp" | |
56 | #include "pv/session.hpp" | |
57 | #include "pv/util.hpp" | |
58 | ||
59 | #ifdef ANDROID | |
60 | #include <libsigrokandroidutils/libsigrokandroidutils.h> | |
61 | #include "android/assetreader.hpp" | |
62 | #include "android/loghandler.hpp" | |
63 | #endif | |
64 | ||
65 | #ifdef _WIN32 | |
66 | #include <QtPlugin> | |
67 | Q_IMPORT_PLUGIN(QWindowsIntegrationPlugin) | |
68 | Q_IMPORT_PLUGIN(QSvgPlugin) | |
69 | #endif | |
70 | ||
71 | using std::exception; | |
72 | using std::ifstream; | |
73 | using std::ofstream; | |
74 | using std::shared_ptr; | |
75 | using std::string; | |
76 | ||
77 | #if ENABLE_STACKTRACE | |
78 | QString stacktrace_filename; | |
79 | ||
80 | void signal_handler(int signum) | |
81 | { | |
82 | ::signal(signum, SIG_DFL); | |
83 | boost::stacktrace::safe_dump_to(stacktrace_filename.toLocal8Bit().data()); | |
84 | ::raise(SIGABRT); | |
85 | } | |
86 | ||
87 | void process_stacktrace(QString temp_path) | |
88 | { | |
89 | const QString stacktrace_outfile = temp_path + "/pv_stacktrace.txt"; | |
90 | ||
91 | ifstream ifs(stacktrace_filename.toLocal8Bit().data()); | |
92 | ofstream ofs(stacktrace_outfile.toLocal8Bit().data(), | |
93 | ofstream::out | ofstream::trunc); | |
94 | ||
95 | boost::stacktrace::stacktrace st = | |
96 | boost::stacktrace::stacktrace::from_dump(ifs); | |
97 | ofs << st; | |
98 | ||
99 | ofs.close(); | |
100 | ifs.close(); | |
101 | ||
102 | QFile f(stacktrace_outfile); | |
103 | f.open(QFile::ReadOnly | QFile::Text); | |
104 | QTextStream fs(&f); | |
105 | QString stacktrace = fs.readAll(); | |
106 | stacktrace = stacktrace.trimmed().replace('\n', "<br />"); | |
107 | ||
108 | qDebug() << QObject::tr("Stack trace of previous crash:"); | |
109 | qDebug() << "---------------------------------------------------------"; | |
110 | // Note: qDebug() prints quotation marks for QString output, so we feed it char* | |
111 | qDebug() << stacktrace.toLocal8Bit().data(); | |
112 | qDebug() << "---------------------------------------------------------"; | |
113 | ||
114 | f.close(); | |
115 | ||
116 | // Remove stack trace so we don't process it again the next time we run | |
117 | QFile::remove(stacktrace_filename.toLocal8Bit().data()); | |
118 | ||
119 | // Show notification dialog if permitted | |
120 | pv::GlobalSettings settings; | |
121 | if (settings.value(pv::GlobalSettings::Key_Log_NotifyOfStacktrace).toBool()) { | |
122 | QCheckBox *cb = new QCheckBox(QObject::tr("Don't show this message again")); | |
123 | ||
124 | QMessageBox msgbox; | |
125 | msgbox.setText(QObject::tr("When %1 last crashed, it created a stack trace.\n" \ | |
126 | "A human-readable form has been saved to disk and was written to " \ | |
127 | "the log. You may access it from the settings dialog.").arg(PV_TITLE)); | |
128 | msgbox.setIcon(QMessageBox::Icon::Information); | |
129 | msgbox.addButton(QMessageBox::Ok); | |
130 | msgbox.setCheckBox(cb); | |
131 | ||
132 | QObject::connect(cb, &QCheckBox::stateChanged, [](int state){ | |
133 | pv::GlobalSettings settings; | |
134 | settings.setValue(pv::GlobalSettings::Key_Log_NotifyOfStacktrace, | |
135 | !state); }); | |
136 | ||
137 | msgbox.exec(); | |
138 | } | |
139 | } | |
140 | #endif | |
141 | ||
142 | void usage() | |
143 | { | |
144 | fprintf(stdout, | |
145 | "Usage:\n" | |
146 | " %s [OPTIONS] [FILE]\n" | |
147 | "\n" | |
148 | "Help Options:\n" | |
149 | " -h, -?, --help Show help option\n" | |
150 | "\n" | |
151 | "Application Options:\n" | |
152 | " -V, --version Show release version\n" | |
153 | " -l, --loglevel Set libsigrok/libsigrokdecode loglevel\n" | |
154 | " -d, --driver Specify the device driver to use\n" | |
155 | " -D, --dont-scan Don't auto-scan for devices, use -d spec only\n" | |
156 | " -i, --input-file Load input from file\n" | |
157 | " -I, --input-format Input format\n" | |
158 | " -c, --clean Don't restore previous sessions on startup\n" | |
159 | "\n", PV_BIN_NAME); | |
160 | } | |
161 | ||
162 | int main(int argc, char *argv[]) | |
163 | { | |
164 | int ret = 0; | |
165 | shared_ptr<sigrok::Context> context; | |
166 | string open_file_format, driver; | |
167 | vector<string> open_files; | |
168 | bool restore_sessions = true; | |
169 | bool do_scan = true; | |
170 | bool show_version = false; | |
171 | ||
172 | Application a(argc, argv); | |
173 | ||
174 | #ifdef ANDROID | |
175 | srau_init_environment(); | |
176 | pv::AndroidLogHandler::install_callbacks(); | |
177 | pv::AndroidAssetReader asset_reader; | |
178 | #endif | |
179 | ||
180 | // Parse arguments | |
181 | while (true) { | |
182 | static const struct option long_options[] = { | |
183 | {"help", no_argument, nullptr, 'h'}, | |
184 | {"version", no_argument, nullptr, 'V'}, | |
185 | {"loglevel", required_argument, nullptr, 'l'}, | |
186 | {"driver", required_argument, nullptr, 'd'}, | |
187 | {"dont-scan", no_argument, nullptr, 'D'}, | |
188 | {"input-file", required_argument, nullptr, 'i'}, | |
189 | {"input-format", required_argument, nullptr, 'I'}, | |
190 | {"clean", no_argument, nullptr, 'c'}, | |
191 | {"log-to-stdout", no_argument, nullptr, 's'}, | |
192 | {nullptr, 0, nullptr, 0} | |
193 | }; | |
194 | ||
195 | const int c = getopt_long(argc, argv, | |
196 | "h?VDcl:d:i:I:", long_options, nullptr); | |
197 | if (c == -1) | |
198 | break; | |
199 | ||
200 | switch (c) { | |
201 | case 'h': | |
202 | case '?': | |
203 | usage(); | |
204 | return 0; | |
205 | ||
206 | case 'V': | |
207 | show_version = true; | |
208 | break; | |
209 | ||
210 | case 'l': | |
211 | { | |
212 | const int loglevel = atoi(optarg); | |
213 | if (loglevel < 0 || loglevel > 5) { | |
214 | qDebug() << "ERROR: invalid log level spec."; | |
215 | break; | |
216 | } | |
217 | context->set_log_level(sigrok::LogLevel::get(loglevel)); | |
218 | ||
219 | #ifdef ENABLE_DECODE | |
220 | srd_log_loglevel_set(loglevel); | |
221 | #endif | |
222 | ||
223 | if (loglevel >= 5) { | |
224 | const QSettings settings; | |
225 | qDebug() << "Settings:" << settings.fileName() | |
226 | << "format" << settings.format(); | |
227 | } | |
228 | break; | |
229 | } | |
230 | ||
231 | case 'd': | |
232 | driver = optarg; | |
233 | break; | |
234 | ||
235 | case 'D': | |
236 | do_scan = false; | |
237 | break; | |
238 | ||
239 | case 'i': | |
240 | open_files.emplace_back(optarg); | |
241 | break; | |
242 | ||
243 | case 'I': | |
244 | open_file_format = optarg; | |
245 | break; | |
246 | ||
247 | case 'c': | |
248 | restore_sessions = false; | |
249 | break; | |
250 | } | |
251 | } | |
252 | argc -= optind; | |
253 | argv += optind; | |
254 | ||
255 | for (int i = 0; i < argc; i++) | |
256 | open_files.emplace_back(argv[i]); | |
257 | ||
258 | qRegisterMetaType<pv::util::Timestamp>("util::Timestamp"); | |
259 | qRegisterMetaType<uint64_t>("uint64_t"); | |
260 | ||
261 | // Prepare the global settings since logging needs them early on | |
262 | pv::GlobalSettings settings; | |
263 | settings.save_internal_defaults(); | |
264 | settings.set_defaults_where_needed(); | |
265 | settings.apply_theme(); | |
266 | ||
267 | pv::logging.init(); | |
268 | ||
269 | // Initialise libsigrok | |
270 | context = sigrok::Context::create(); | |
271 | pv::Session::sr_context = context; | |
272 | ||
273 | #if ENABLE_STACKTRACE | |
274 | QString temp_path = QStandardPaths::standardLocations( | |
275 | QStandardPaths::TempLocation).at(0); | |
276 | stacktrace_filename = temp_path + "/pv_stacktrace.dmp"; | |
277 | qDebug() << "Stack trace file is" << stacktrace_filename; | |
278 | ||
279 | ::signal(SIGSEGV, &signal_handler); | |
280 | ::signal(SIGABRT, &signal_handler); | |
281 | ||
282 | if (QFileInfo::exists(stacktrace_filename)) | |
283 | process_stacktrace(temp_path); | |
284 | #endif | |
285 | ||
286 | #ifdef ANDROID | |
287 | context->set_resource_reader(&asset_reader); | |
288 | #endif | |
289 | do { | |
290 | ||
291 | #ifdef ENABLE_DECODE | |
292 | // Initialise libsigrokdecode | |
293 | if (srd_init(nullptr) != SRD_OK) { | |
294 | qDebug() << "ERROR: libsigrokdecode init failed."; | |
295 | break; | |
296 | } | |
297 | ||
298 | // Load the protocol decoders | |
299 | srd_decoder_load_all(); | |
300 | #endif | |
301 | ||
302 | #ifndef ENABLE_STACKTRACE | |
303 | try { | |
304 | #endif | |
305 | ||
306 | // Create the device manager, initialise the drivers | |
307 | pv::DeviceManager device_manager(context, driver, do_scan); | |
308 | ||
309 | a.collect_version_info(context); | |
310 | if (show_version) { | |
311 | a.print_version_info(); | |
312 | } else { | |
313 | // Initialise the main window | |
314 | pv::MainWindow w(device_manager); | |
315 | w.show(); | |
316 | ||
317 | if (restore_sessions) | |
318 | w.restore_sessions(); | |
319 | ||
320 | if (open_files.empty()) | |
321 | w.add_default_session(); | |
322 | else | |
323 | for (string& open_file : open_files) | |
324 | w.add_session_with_file(open_file, open_file_format); | |
325 | ||
326 | #ifdef ENABLE_SIGNALS | |
327 | if (SignalHandler::prepare_signals()) { | |
328 | SignalHandler *const handler = new SignalHandler(&w); | |
329 | QObject::connect(handler, SIGNAL(int_received()), | |
330 | &w, SLOT(close())); | |
331 | QObject::connect(handler, SIGNAL(term_received()), | |
332 | &w, SLOT(close())); | |
333 | } else | |
334 | qWarning() << "Could not prepare signal handler."; | |
335 | #endif | |
336 | ||
337 | // Run the application | |
338 | ret = a.exec(); | |
339 | } | |
340 | ||
341 | #ifndef ENABLE_STACKTRACE | |
342 | } catch (exception& e) { | |
343 | qDebug() << "Exception:" << e.what(); | |
344 | } | |
345 | #endif | |
346 | ||
347 | #ifdef ENABLE_DECODE | |
348 | // Destroy libsigrokdecode | |
349 | srd_exit(); | |
350 | #endif | |
351 | ||
352 | } while (false); | |
353 | ||
354 | return ret; | |
355 | } |