main.cpp - external/sigrok.org/pulseview - Git at Google

 /*
  * This file is part of the PulseView project.
  *
  * Copyright (C) 2012 Joel Holdsworth <joel@airwebreathe.org.uk>
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
  * the Free Software Foundation; either version 2 of the License, or
  * (at your option) any later version.
  *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
  *
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, see <http://www.gnu.org/licenses/>.
  */

 #ifdef ENABLE_DECODE
 #include <libsigrokdecode/libsigrokdecode.h> /* First, so we avoid a _POSIX_C_SOURCE warning. */
 #endif

 #include <cstdint>
 #include <fstream>
 #include <getopt.h>
 #include <vector>

 #ifdef ENABLE_FLOW
 #include <gstreamermm.h>
 #include <libsigrokflow/libsigrokflow.hpp>
 #endif

 #include <libsigrokcxx/libsigrokcxx.hpp>

 #include <QCheckBox>
 #include <QDebug>
 #include <QFile>
 #include <QFileInfo>
 #include <QMessageBox>
 #include <QSettings>
 #include <QTextStream>

 #include "config.h"

 #ifdef ENABLE_SIGNALS
 #include "signalhandler.hpp"
 #endif

 #ifdef ENABLE_STACKTRACE
 #include <signal.h>
 #include <boost/stacktrace.hpp>
 #include <QStandardPaths>
 #endif

 #include "pv/application.hpp"
 #include "pv/devicemanager.hpp"
 #include "pv/globalsettings.hpp"
 #include "pv/logging.hpp"
 #include "pv/mainwindow.hpp"
 #include "pv/session.hpp"
 #include "pv/util.hpp"

 #ifdef ANDROID
 #include <libsigrokandroidutils/libsigrokandroidutils.h>
 #include "android/assetreader.hpp"
 #include "android/loghandler.hpp"
 #endif

 #ifdef _WIN32
 #include <QtPlugin>
 Q_IMPORT_PLUGIN(QWindowsIntegrationPlugin)
 Q_IMPORT_PLUGIN(QSvgPlugin)
 #endif

 using std::exception;
 using std::ifstream;
 using std::ofstream;
 using std::shared_ptr;
 using std::string;

 #if ENABLE_STACKTRACE
 QString stacktrace_filename;

 void signal_handler(int signum)
 {
 	::signal(signum, SIG_DFL);
 	boost::stacktrace::safe_dump_to(stacktrace_filename.toLocal8Bit().data());
 	::raise(SIGABRT);
 }

 void process_stacktrace(QString temp_path)
 {
 	const QString stacktrace_outfile = temp_path + "/pv_stacktrace.txt";

 	ifstream ifs(stacktrace_filename.toLocal8Bit().data());
 	ofstream ofs(stacktrace_outfile.toLocal8Bit().data(),
 		ofstream::out | ofstream::trunc);

 	boost::stacktrace::stacktrace st =
 		boost::stacktrace::stacktrace::from_dump(ifs);
 	ofs << st;

 	ofs.close();
 	ifs.close();

 	QFile f(stacktrace_outfile);
 	f.open(QFile::ReadOnly | QFile::Text);
 	QTextStream fs(&f);
 	QString stacktrace = fs.readAll();
 	stacktrace = stacktrace.trimmed().replace('\n', "<br />");

 	qDebug() << QObject::tr("Stack trace of previous crash:");
 	qDebug() << "---------------------------------------------------------";
 	// Note: qDebug() prints quotation marks for QString output, so we feed it char*
 	qDebug() << stacktrace.toLocal8Bit().data();
 	qDebug() << "---------------------------------------------------------";

 	f.close();

 	// Remove stack trace so we don't process it again the next time we run
 	QFile::remove(stacktrace_filename.toLocal8Bit().data());

 	// Show notification dialog if permitted
 	pv::GlobalSettings settings;
 	if (settings.value(pv::GlobalSettings::Key_Log_NotifyOfStacktrace).toBool()) {
 		QCheckBox *cb = new QCheckBox(QObject::tr("Don't show this message again"));

 		QMessageBox msgbox;
 		msgbox.setText(QObject::tr("When %1 last crashed, it created a stack trace.\n" \
 			"A human-readable form has been saved to disk and was written to " \
 			"the log. You may access it from the settings dialog.").arg(PV_TITLE));
 		msgbox.setIcon(QMessageBox::Icon::Information);
 		msgbox.addButton(QMessageBox::Ok);
 		msgbox.setCheckBox(cb);

 		QObject::connect(cb, &QCheckBox::stateChanged, [](int state){
 			pv::GlobalSettings settings;
 			settings.setValue(pv::GlobalSettings::Key_Log_NotifyOfStacktrace,
 				!state); });

 		msgbox.exec();
 	}
 }
 #endif

 void usage()
 {
 	fprintf(stdout,
 		"Usage:\n"
 		"  %s [OPTIONS] [FILE]\n"
 		"\n"
 		"Help Options:\n"
 		"  -h, -?, --help                  Show help option\n"
 		"\n"
 		"Application Options:\n"
 		"  -V, --version                   Show release version\n"
 		"  -l, --loglevel                  Set libsigrok/libsigrokdecode loglevel\n"
 		"  -d, --driver                    Specify the device driver to use\n"
 		"  -D, --dont-scan                 Don't auto-scan for devices, use -d spec only\n"
 		"  -i, --input-file                Load input from file\n"
 		"  -s, --settings                  Load PulseView session setup from file\n"
 		"  -I, --input-format              Input format\n"
 		"  -c, --clean                     Don't restore previous sessions on startup\n"
 		"\n", PV_BIN_NAME);
 }

 int main(int argc, char *argv[])
 {
 	int ret = 0;
 	shared_ptr<sigrok::Context> context;
 	string open_file_format, open_setup_file, driver;
 	vector<string> open_files;
 	bool restore_sessions = true;
 	bool do_scan = true;
 	bool show_version = false;

 #ifdef ENABLE_FLOW
 	// Initialise gstreamermm. Must be called before any other GLib stuff.
 	Gst::init();

 	// Initialize libsigrokflow. Must be called after Gst::init().
 	Srf::init();
 #endif

 	Application a(argc, argv);

 #ifdef ANDROID
 	srau_init_environment();
 	pv::AndroidLogHandler::install_callbacks();
 	pv::AndroidAssetReader asset_reader;
 #endif

 	// Parse arguments
 	while (true) {
 		static const struct option long_options[] = {
 			{"help", no_argument, nullptr, 'h'},
 			{"version", no_argument, nullptr, 'V'},
 			{"loglevel", required_argument, nullptr, 'l'},
 			{"driver", required_argument, nullptr, 'd'},
 			{"dont-scan", no_argument, nullptr, 'D'},
 			{"input-file", required_argument, nullptr, 'i'},
 			{"settings", required_argument, nullptr, 's'},
 			{"input-format", required_argument, nullptr, 'I'},
 			{"clean", no_argument, nullptr, 'c'},
 			{"log-to-stdout", no_argument, nullptr, 's'},
 			{nullptr, 0, nullptr, 0}
 		};

 		const int c = getopt_long(argc, argv,
 			"h?VDcl:d:i:s:I:", long_options, nullptr);
 		if (c == -1)
 			break;

 		switch (c) {
 		case 'h':
 		case '?':
 			usage();
 			return 0;

 		case 'V':
 			show_version = true;
 			break;

 		case 'l':
 		{
 			const int loglevel = atoi(optarg);
 			if (loglevel < 0 || loglevel > 5) {
 				qDebug() << "ERROR: invalid log level spec.";
 				break;
 			}
 			context->set_log_level(sigrok::LogLevel::get(loglevel));

 #ifdef ENABLE_DECODE
 			srd_log_loglevel_set(loglevel);
 #endif

 			if (loglevel >= 5) {
 				const QSettings settings;
 				qDebug() << "Settings:" << settings.fileName()
 					<< "format" << settings.format();
 			}
 			break;
 		}

 		case 'd':
 			driver = optarg;
 			break;

 		case 'D':
 			do_scan = false;
 			break;

 		case 'i':
 			open_files.emplace_back(optarg);
 			break;

 		case 's':
 			open_setup_file = optarg;
 			break;

 		case 'I':
 			open_file_format = optarg;
 			break;

 		case 'c':
 			restore_sessions = false;
 			break;
 		}
 	}
 	argc -= optind;
 	argv += optind;

 	for (int i = 0; i < argc; i++)
 		open_files.emplace_back(argv[i]);

 	qRegisterMetaType<pv::util::Timestamp>("util::Timestamp");
 	qRegisterMetaType<uint64_t>("uint64_t");

 	// Prepare the global settings since logging needs them early on
 	pv::GlobalSettings settings;
 	settings.add_change_handler(&a);  // Only the application object can't register itself
 	settings.save_internal_defaults();
 	settings.set_defaults_where_needed();
 	settings.apply_language();
 	settings.apply_theme();

 	pv::logging.init();

 	// Initialise libsigrok
 	context = sigrok::Context::create();
 	pv::Session::sr_context = context;

 #if ENABLE_STACKTRACE
 	QString temp_path = QStandardPaths::standardLocations(
 		QStandardPaths::TempLocation).at(0);
 	stacktrace_filename = temp_path + "/pv_stacktrace.dmp";
 	qDebug() << "Stack trace file is" << stacktrace_filename;

 	::signal(SIGSEGV, &signal_handler);
 	::signal(SIGABRT, &signal_handler);

 	if (QFileInfo::exists(stacktrace_filename))
 		process_stacktrace(temp_path);
 #endif

 #ifdef ANDROID
 	context->set_resource_reader(&asset_reader);
 #endif
 	do {

 #ifdef ENABLE_DECODE
 		// Initialise libsigrokdecode
 		if (srd_init(nullptr) != SRD_OK) {
 			qDebug() << "ERROR: libsigrokdecode init failed.";
 			break;
 		}

 		// Load the protocol decoders
 		srd_decoder_load_all();
 #endif

 #ifndef ENABLE_STACKTRACE
 		try {
 #endif

 		// Create the device manager, initialise the drivers
 		pv::DeviceManager device_manager(context, driver, do_scan);

 		a.collect_version_info(context);
 		if (show_version) {
 			a.print_version_info();
 		} else {
 			// Initialise the main window
 			pv::MainWindow w(device_manager);
 			w.show();

 			if (restore_sessions)
 				w.restore_sessions();

 			if (open_files.empty())
 				w.add_default_session();
 			else
 				for (string& open_file : open_files)
 					w.add_session_with_file(open_file, open_file_format, open_setup_file);

 #ifdef ENABLE_SIGNALS
 			if (SignalHandler::prepare_signals()) {
 				SignalHandler *const handler = new SignalHandler(&w);
 				QObject::connect(handler, SIGNAL(int_received()),
 					&w, SLOT(close()));
 				QObject::connect(handler, SIGNAL(term_received()),
 					&w, SLOT(close()));
 			} else
 				qWarning() << "Could not prepare signal handler.";
 #endif

 			// Run the application
 			ret = a.exec();
 		}

 #ifndef ENABLE_STACKTRACE
 		} catch (exception& e) {
 			qDebug() << "Exception:" << e.what();
 		}
 #endif

 #ifdef ENABLE_DECODE
 		// Destroy libsigrokdecode
 		srd_exit();
 #endif

 	} while (false);

 	return ret;
 }
	/*
	* This file is part of the PulseView project.
	*
	* Copyright (C) 2012 Joel Holdsworth <joel@airwebreathe.org.uk>
	*
	* This program is free software; you can redistribute it and/or modify
	* it under the terms of the GNU General Public License as published by
	* the Free Software Foundation; either version 2 of the License, or
	* (at your option) any later version.
	*
	* This program is distributed in the hope that it will be useful,
	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	* GNU General Public License for more details.
	*
	* You should have received a copy of the GNU General Public License
	* along with this program; if not, see <http://www.gnu.org/licenses/>.
	*/

	#ifdef ENABLE_DECODE
	#include <libsigrokdecode/libsigrokdecode.h> /* First, so we avoid a _POSIX_C_SOURCE warning. */
	#endif

	#include <cstdint>
	#include <fstream>
	#include <getopt.h>
	#include <vector>

	#ifdef ENABLE_FLOW
	#include <gstreamermm.h>
	#include <libsigrokflow/libsigrokflow.hpp>
	#endif

	#include <libsigrokcxx/libsigrokcxx.hpp>

	#include <QCheckBox>
	#include <QDebug>
	#include <QFile>
	#include <QFileInfo>
	#include <QMessageBox>
	#include <QSettings>
	#include <QTextStream>

	#include "config.h"

	#ifdef ENABLE_SIGNALS
	#include "signalhandler.hpp"
	#endif

	#ifdef ENABLE_STACKTRACE
	#include <signal.h>
	#include <boost/stacktrace.hpp>
	#include <QStandardPaths>
	#endif

	#include "pv/application.hpp"
	#include "pv/devicemanager.hpp"
	#include "pv/globalsettings.hpp"
	#include "pv/logging.hpp"
	#include "pv/mainwindow.hpp"
	#include "pv/session.hpp"
	#include "pv/util.hpp"

	#ifdef ANDROID
	#include <libsigrokandroidutils/libsigrokandroidutils.h>
	#include "android/assetreader.hpp"
	#include "android/loghandler.hpp"
	#endif

	#ifdef _WIN32
	#include <QtPlugin>
	Q_IMPORT_PLUGIN(QWindowsIntegrationPlugin)
	Q_IMPORT_PLUGIN(QSvgPlugin)
	#endif

	using std::exception;
	using std::ifstream;
	using std::ofstream;
	using std::shared_ptr;
	using std::string;

	#if ENABLE_STACKTRACE
	QString stacktrace_filename;

	void signal_handler(int signum)
	{
	::signal(signum, SIG_DFL);
	boost::stacktrace::safe_dump_to(stacktrace_filename.toLocal8Bit().data());
	::raise(SIGABRT);
	}

	void process_stacktrace(QString temp_path)
	{
	const QString stacktrace_outfile = temp_path + "/pv_stacktrace.txt";

	ifstream ifs(stacktrace_filename.toLocal8Bit().data());
	ofstream ofs(stacktrace_outfile.toLocal8Bit().data(),
	ofstream::out \| ofstream::trunc);

	boost::stacktrace::stacktrace st =
	boost::stacktrace::stacktrace::from_dump(ifs);
	ofs << st;

	ofs.close();
	ifs.close();

	QFile f(stacktrace_outfile);
	f.open(QFile::ReadOnly \| QFile::Text);
	QTextStream fs(&f);
	QString stacktrace = fs.readAll();
	stacktrace = stacktrace.trimmed().replace('\n', "<br />");

	qDebug() << QObject::tr("Stack trace of previous crash:");
	qDebug() << "---------------------------------------------------------";
	// Note: qDebug() prints quotation marks for QString output, so we feed it char*
	qDebug() << stacktrace.toLocal8Bit().data();
	qDebug() << "---------------------------------------------------------";

	f.close();

	// Remove stack trace so we don't process it again the next time we run
	QFile::remove(stacktrace_filename.toLocal8Bit().data());

	// Show notification dialog if permitted
	pv::GlobalSettings settings;
	if (settings.value(pv::GlobalSettings::Key_Log_NotifyOfStacktrace).toBool()) {
	QCheckBox *cb = new QCheckBox(QObject::tr("Don't show this message again"));

	QMessageBox msgbox;
	msgbox.setText(QObject::tr("When %1 last crashed, it created a stack trace.\n" \
	"A human-readable form has been saved to disk and was written to " \
	"the log. You may access it from the settings dialog.").arg(PV_TITLE));
	msgbox.setIcon(QMessageBox::Icon::Information);
	msgbox.addButton(QMessageBox::Ok);
	msgbox.setCheckBox(cb);

	QObject::connect(cb, &QCheckBox::stateChanged, [](int state){
	pv::GlobalSettings settings;
	settings.setValue(pv::GlobalSettings::Key_Log_NotifyOfStacktrace,
	!state); });

	msgbox.exec();
	}
	}
	#endif

	void usage()
	{
	fprintf(stdout,
	"Usage:\n"
	" %s [OPTIONS] [FILE]\n"
	"\n"
	"Help Options:\n"
	" -h, -?, --help Show help option\n"
	"\n"
	"Application Options:\n"
	" -V, --version Show release version\n"
	" -l, --loglevel Set libsigrok/libsigrokdecode loglevel\n"
	" -d, --driver Specify the device driver to use\n"
	" -D, --dont-scan Don't auto-scan for devices, use -d spec only\n"
	" -i, --input-file Load input from file\n"
	" -s, --settings Load PulseView session setup from file\n"
	" -I, --input-format Input format\n"
	" -c, --clean Don't restore previous sessions on startup\n"
	"\n", PV_BIN_NAME);
	}

	int main(int argc, char *argv[])
	{
	int ret = 0;
	shared_ptr<sigrok::Context> context;
	string open_file_format, open_setup_file, driver;
	vector<string> open_files;
	bool restore_sessions = true;
	bool do_scan = true;
	bool show_version = false;

	#ifdef ENABLE_FLOW
	// Initialise gstreamermm. Must be called before any other GLib stuff.
	Gst::init();

	// Initialize libsigrokflow. Must be called after Gst::init().
	Srf::init();
	#endif

	Application a(argc, argv);

	#ifdef ANDROID
	srau_init_environment();
	pv::AndroidLogHandler::install_callbacks();
	pv::AndroidAssetReader asset_reader;
	#endif

	// Parse arguments
	while (true) {
	static const struct option long_options[] = {
	{"help", no_argument, nullptr, 'h'},
	{"version", no_argument, nullptr, 'V'},
	{"loglevel", required_argument, nullptr, 'l'},
	{"driver", required_argument, nullptr, 'd'},
	{"dont-scan", no_argument, nullptr, 'D'},
	{"input-file", required_argument, nullptr, 'i'},
	{"settings", required_argument, nullptr, 's'},
	{"input-format", required_argument, nullptr, 'I'},
	{"clean", no_argument, nullptr, 'c'},
	{"log-to-stdout", no_argument, nullptr, 's'},
	{nullptr, 0, nullptr, 0}
	};

	const int c = getopt_long(argc, argv,
	"h?VDcl:d:i:s:I:", long_options, nullptr);
	if (c == -1)
	break;

	switch (c) {
	case 'h':
	case '?':
	usage();
	return 0;

	case 'V':
	show_version = true;
	break;

	case 'l':
	{
	const int loglevel = atoi(optarg);
	if (loglevel < 0 \|\| loglevel > 5) {
	qDebug() << "ERROR: invalid log level spec.";
	break;
	}
	context->set_log_level(sigrok::LogLevel::get(loglevel));

	#ifdef ENABLE_DECODE
	srd_log_loglevel_set(loglevel);
	#endif

	if (loglevel >= 5) {
	const QSettings settings;
	qDebug() << "Settings:" << settings.fileName()
	<< "format" << settings.format();
	}
	break;
	}

	case 'd':
	driver = optarg;
	break;

	case 'D':
	do_scan = false;
	break;

	case 'i':
	open_files.emplace_back(optarg);
	break;

	case 's':
	open_setup_file = optarg;
	break;

	case 'I':
	open_file_format = optarg;
	break;

	case 'c':
	restore_sessions = false;
	break;
	}
	}
	argc -= optind;
	argv += optind;

	for (int i = 0; i < argc; i++)
	open_files.emplace_back(argv[i]);

	qRegisterMetaType<pv::util::Timestamp>("util::Timestamp");
	qRegisterMetaType<uint64_t>("uint64_t");

	// Prepare the global settings since logging needs them early on
	pv::GlobalSettings settings;
	settings.add_change_handler(&a); // Only the application object can't register itself
	settings.save_internal_defaults();
	settings.set_defaults_where_needed();
	settings.apply_language();
	settings.apply_theme();

	pv::logging.init();

	// Initialise libsigrok
	context = sigrok::Context::create();
	pv::Session::sr_context = context;

	#if ENABLE_STACKTRACE
	QString temp_path = QStandardPaths::standardLocations(
	QStandardPaths::TempLocation).at(0);
	stacktrace_filename = temp_path + "/pv_stacktrace.dmp";
	qDebug() << "Stack trace file is" << stacktrace_filename;

	::signal(SIGSEGV, &signal_handler);
	::signal(SIGABRT, &signal_handler);

	if (QFileInfo::exists(stacktrace_filename))
	process_stacktrace(temp_path);
	#endif

	#ifdef ANDROID
	context->set_resource_reader(&asset_reader);
	#endif
	do {

	#ifdef ENABLE_DECODE
	// Initialise libsigrokdecode
	if (srd_init(nullptr) != SRD_OK) {
	qDebug() << "ERROR: libsigrokdecode init failed.";
	break;
	}

	// Load the protocol decoders
	srd_decoder_load_all();
	#endif

	#ifndef ENABLE_STACKTRACE
	try {
	#endif

	// Create the device manager, initialise the drivers
	pv::DeviceManager device_manager(context, driver, do_scan);

	a.collect_version_info(context);
	if (show_version) {
	a.print_version_info();
	} else {
	// Initialise the main window
	pv::MainWindow w(device_manager);
	w.show();

	if (restore_sessions)
	w.restore_sessions();

	if (open_files.empty())
	w.add_default_session();
	else
	for (string& open_file : open_files)
	w.add_session_with_file(open_file, open_file_format, open_setup_file);

	#ifdef ENABLE_SIGNALS
	if (SignalHandler::prepare_signals()) {
	SignalHandler *const handler = new SignalHandler(&w);
	QObject::connect(handler, SIGNAL(int_received()),
	&w, SLOT(close()));
	QObject::connect(handler, SIGNAL(term_received()),
	&w, SLOT(close()));
	} else
	qWarning() << "Could not prepare signal handler.";
	#endif

	// Run the application
	ret = a.exec();
	}

	#ifndef ENABLE_STACKTRACE
	} catch (exception& e) {
	qDebug() << "Exception:" << e.what();
	}
	#endif

	#ifdef ENABLE_DECODE
	// Destroy libsigrokdecode
	srd_exit();
	#endif

	} while (false);

	return ret;
	}