mirror of git://sigrok.org/pulseview
381 lines
9.6 KiB
C++
381 lines
9.6 KiB
C++
/*
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* This file is part of the PulseView project.
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*
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* Copyright (C) 2012 Joel Holdsworth <joel@airwebreathe.org.uk>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, see <http://www.gnu.org/licenses/>.
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*/
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#ifdef ENABLE_DECODE
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#include <libsigrokdecode/libsigrokdecode.h> /* First, so we avoid a _POSIX_C_SOURCE warning. */
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#endif
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#include <cstdint>
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#include <fstream>
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#include <getopt.h>
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#include <vector>
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#ifdef ENABLE_FLOW
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#include <gstreamermm.h>
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#include <libsigrokflow/libsigrokflow.hpp>
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#endif
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#include <libsigrokcxx/libsigrokcxx.hpp>
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#include <QCheckBox>
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#include <QDebug>
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#include <QFile>
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#include <QFileInfo>
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#include <QMessageBox>
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#include <QSettings>
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#include <QTextStream>
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#include "config.h"
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#ifdef ENABLE_SIGNALS
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#include "signalhandler.hpp"
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#endif
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#ifdef ENABLE_STACKTRACE
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#include <signal.h>
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#include <boost/stacktrace.hpp>
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#include <QStandardPaths>
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#endif
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#include "pv/application.hpp"
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#include "pv/devicemanager.hpp"
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#include "pv/globalsettings.hpp"
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#include "pv/logging.hpp"
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#include "pv/mainwindow.hpp"
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#include "pv/session.hpp"
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#include "pv/util.hpp"
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#include "pv/data/segment.hpp"
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#ifdef ANDROID
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#include <libsigrokandroidutils/libsigrokandroidutils.h>
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#include "android/assetreader.hpp"
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#include "android/loghandler.hpp"
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#endif
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#ifdef _WIN32
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#include <QtPlugin>
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#ifdef QT_STATIC
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Q_IMPORT_PLUGIN(QWindowsIntegrationPlugin)
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Q_IMPORT_PLUGIN(QSvgPlugin)
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#endif
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#endif
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using std::exception;
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using std::ifstream;
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using std::ofstream;
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using std::shared_ptr;
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using std::string;
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#if ENABLE_STACKTRACE
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QString stacktrace_filename;
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void signal_handler(int signum)
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{
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::signal(signum, SIG_DFL);
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boost::stacktrace::safe_dump_to(stacktrace_filename.toLocal8Bit().data());
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::raise(SIGABRT);
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}
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void process_stacktrace(QString temp_path)
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{
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const QString stacktrace_outfile = temp_path + "/pv_stacktrace.txt";
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ifstream ifs(stacktrace_filename.toLocal8Bit().data());
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ofstream ofs(stacktrace_outfile.toLocal8Bit().data(),
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ofstream::out | ofstream::trunc);
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boost::stacktrace::stacktrace st =
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boost::stacktrace::stacktrace::from_dump(ifs);
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ofs << st;
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ofs.close();
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ifs.close();
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QFile f(stacktrace_outfile);
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f.open(QFile::ReadOnly | QFile::Text);
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QTextStream fs(&f);
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QString stacktrace = fs.readAll();
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stacktrace = stacktrace.trimmed().replace('\n', "<br />");
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qDebug() << QObject::tr("Stack trace of previous crash:");
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qDebug() << "---------------------------------------------------------";
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// Note: qDebug() prints quotation marks for QString output, so we feed it char*
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qDebug() << stacktrace.toLocal8Bit().data();
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qDebug() << "---------------------------------------------------------";
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f.close();
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// Remove stack trace so we don't process it again the next time we run
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QFile::remove(stacktrace_filename.toLocal8Bit().data());
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// Show notification dialog if permitted
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pv::GlobalSettings settings;
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if (settings.value(pv::GlobalSettings::Key_Log_NotifyOfStacktrace).toBool()) {
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QCheckBox *cb = new QCheckBox(QObject::tr("Don't show this message again"));
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QMessageBox msgbox;
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msgbox.setText(QObject::tr("When %1 last crashed, it created a stack trace.\n" \
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"A human-readable form has been saved to disk and was written to " \
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"the log. You may access it from the settings dialog.").arg(PV_TITLE));
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msgbox.setIcon(QMessageBox::Icon::Information);
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msgbox.addButton(QMessageBox::Ok);
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msgbox.setCheckBox(cb);
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QObject::connect(cb, &QCheckBox::stateChanged, [](int state){
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pv::GlobalSettings settings;
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settings.setValue(pv::GlobalSettings::Key_Log_NotifyOfStacktrace,
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!state); });
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msgbox.exec();
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}
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}
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#endif
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void usage()
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{
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fprintf(stdout,
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"Usage:\n"
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" %s [OPTIONS] [FILE]\n"
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"\n"
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"Help Options:\n"
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" -h, -?, --help Show help option\n"
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"\n"
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"Application Options:\n"
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" -V, --version Show release version\n"
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" -l, --loglevel Set libsigrok/libsigrokdecode loglevel\n"
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" -d, --driver Specify the device driver to use\n"
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" -D, --dont-scan Don't auto-scan for devices, use -d spec only\n"
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" -i, --input-file Load input from file\n"
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" -s, --settings Load PulseView session setup from file\n"
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" -I, --input-format Input format\n"
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" -c, --clean Don't restore previous sessions on startup\n"
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"\n", PV_BIN_NAME);
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}
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int main(int argc, char *argv[])
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{
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int ret = 0;
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shared_ptr<sigrok::Context> context;
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string open_file_format, open_setup_file, driver;
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vector<string> open_files;
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bool restore_sessions = true;
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bool do_scan = true;
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bool show_version = false;
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#ifdef ENABLE_FLOW
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// Initialise gstreamermm. Must be called before any other GLib stuff.
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Gst::init();
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// Initialize libsigrokflow. Must be called after Gst::init().
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Srf::init();
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#endif
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Application a(argc, argv);
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#ifdef ANDROID
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srau_init_environment();
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pv::AndroidLogHandler::install_callbacks();
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pv::AndroidAssetReader asset_reader;
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#endif
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// Parse arguments
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while (true) {
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static const struct option long_options[] = {
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{"help", no_argument, nullptr, 'h'},
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{"version", no_argument, nullptr, 'V'},
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{"loglevel", required_argument, nullptr, 'l'},
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{"driver", required_argument, nullptr, 'd'},
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{"dont-scan", no_argument, nullptr, 'D'},
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{"input-file", required_argument, nullptr, 'i'},
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{"settings", required_argument, nullptr, 's'},
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{"input-format", required_argument, nullptr, 'I'},
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{"clean", no_argument, nullptr, 'c'},
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{"log-to-stdout", no_argument, nullptr, 's'},
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{nullptr, 0, nullptr, 0}
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};
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const int c = getopt_long(argc, argv,
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"h?VDcl:d:i:s:I:", long_options, nullptr);
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if (c == -1)
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break;
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switch (c) {
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case 'h':
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case '?':
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usage();
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return 0;
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case 'V':
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show_version = true;
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break;
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case 'l':
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{
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const int loglevel = atoi(optarg);
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if (loglevel < 0 || loglevel > 5) {
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qDebug() << "ERROR: invalid log level spec.";
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break;
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}
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context->set_log_level(sigrok::LogLevel::get(loglevel));
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#ifdef ENABLE_DECODE
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srd_log_loglevel_set(loglevel);
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#endif
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if (loglevel >= 5) {
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const QSettings settings;
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qDebug() << "Settings:" << settings.fileName()
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<< "format" << settings.format();
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}
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break;
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}
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case 'd':
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driver = optarg;
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break;
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case 'D':
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do_scan = false;
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break;
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case 'i':
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open_files.emplace_back(optarg);
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break;
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case 's':
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open_setup_file = optarg;
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break;
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case 'I':
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open_file_format = optarg;
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break;
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case 'c':
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restore_sessions = false;
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break;
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}
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}
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argc -= optind;
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argv += optind;
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for (int i = 0; i < argc; i++)
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open_files.emplace_back(argv[i]);
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qRegisterMetaType<uint64_t>("uint64_t");
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qRegisterMetaType<pv::util::Timestamp>("util::Timestamp");
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qRegisterMetaType<SharedPtrToSegment>("SharedPtrToSegment");
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qRegisterMetaType<shared_ptr<pv::data::SignalBase>>("shared_ptr<SignalBase>");
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// Prepare the global settings since logging needs them early on
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pv::GlobalSettings settings;
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settings.add_change_handler(&a); // Only the application object can't register itself
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settings.save_internal_defaults();
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settings.set_defaults_where_needed();
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settings.apply_language();
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settings.apply_theme();
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pv::logging.init();
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// Initialise libsigrok
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context = sigrok::Context::create();
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pv::Session::sr_context = context;
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#if ENABLE_STACKTRACE
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QString temp_path = QStandardPaths::standardLocations(
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QStandardPaths::TempLocation).at(0);
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stacktrace_filename = temp_path + "/pv_stacktrace.dmp";
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qDebug() << "Stack trace file is" << stacktrace_filename;
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::signal(SIGSEGV, &signal_handler);
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::signal(SIGABRT, &signal_handler);
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if (QFileInfo::exists(stacktrace_filename))
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process_stacktrace(temp_path);
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#endif
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#ifdef ANDROID
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context->set_resource_reader(&asset_reader);
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#endif
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do {
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#ifdef ENABLE_DECODE
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// Initialise libsigrokdecode
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if (srd_init(nullptr) != SRD_OK) {
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qDebug() << "ERROR: libsigrokdecode init failed.";
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break;
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}
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// Load the protocol decoders
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srd_decoder_load_all();
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#endif
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#ifndef ENABLE_STACKTRACE
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try {
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#endif
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// Create the device manager, initialise the drivers
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pv::DeviceManager device_manager(context, driver, do_scan);
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a.collect_version_info(device_manager);
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if (show_version) {
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a.print_version_info();
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} else {
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// Initialise the main window
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pv::MainWindow w(device_manager);
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w.show();
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if (restore_sessions)
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w.restore_sessions();
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if (open_files.empty())
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w.add_default_session();
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else
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for (string& open_file : open_files)
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w.add_session_with_file(open_file, open_file_format, open_setup_file);
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#ifdef ENABLE_SIGNALS
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if (SignalHandler::prepare_signals()) {
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SignalHandler *const handler = new SignalHandler(&w);
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QObject::connect(handler, SIGNAL(int_received()), &w, SLOT(close()));
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QObject::connect(handler, SIGNAL(term_received()), &w, SLOT(close()));
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QObject::connect(handler, SIGNAL(usr1_received()), &w, SLOT(on_run_stop_clicked()));
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} else
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qWarning() << "Could not prepare signal handler.";
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#endif
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// Run the application
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ret = a.exec();
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}
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#ifndef ENABLE_STACKTRACE
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} catch (exception& e) {
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qDebug() << "Exception:" << e.what();
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}
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#endif
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#ifdef ENABLE_DECODE
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// Destroy libsigrokdecode
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srd_exit();
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#endif
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} while (false);
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return ret;
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}
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