X-Git-Url: https://sigrok.org/gitweb/?p=pulseview.git;a=blobdiff_plain;f=main.cpp;h=cebeca378c69eaf1001229ff7340ae33d4c4e86b;hp=feff17aaf47cd54299ff114871e32247aceedce1;hb=e06cf18db72c518d11f90e9f96dfc3aeed85314f;hpb=bcb4c327ee9b8d2172d126429ba017884d079d4c

diff --git a/main.cpp b/main.cpp
index feff17aa..cebeca37 100644
--- a/main.cpp
+++ b/main.cpp
@@ -22,12 +22,18 @@
 #endif
 
 #include <cstdint>
-#include <libsigrokcxx/libsigrokcxx.hpp>
-
+#include <fstream>
 #include <getopt.h>
 
+#include <libsigrokcxx/libsigrokcxx.hpp>
+
+#include <QCheckBox>
 #include <QDebug>
+#include <QFile>
+#include <QFileInfo>
+#include <QMessageBox>
 #include <QSettings>
+#include <QTextStream>
 
 #ifdef ENABLE_SIGNALS
 #include "signalhandler.hpp"
@@ -61,6 +67,8 @@ Q_IMPORT_PLUGIN(QSvgPlugin)
 #endif
 
 using std::exception;
+using std::ifstream;
+using std::ofstream;
 using std::shared_ptr;
 using std::string;
 
@@ -73,6 +81,60 @@ void signal_handler(int signum)
 	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()
@@ -92,6 +154,7 @@ void usage()
 		"  -i, --input-file                Load input from file\n"
 		"  -I, --input-format              Input format\n"
 		"  -c, --clean                     Don't restore previous sessions on startup\n"
+		"  -s, --log-to-stdout             Don't use logging, output to stdout instead\n"
 		"\n", PV_BIN_NAME);
 }
 
@@ -102,6 +165,7 @@ int main(int argc, char *argv[])
 	string open_file, open_file_format, driver;
 	bool restore_sessions = true;
 	bool do_scan = true;
+	bool do_logging = true;
 
 	Application a(argc, argv);
 
@@ -118,14 +182,16 @@ int main(int argc, char *argv[])
 			{"version", no_argument, nullptr, 'V'},
 			{"loglevel", required_argument, nullptr, 'l'},
 			{"driver", required_argument, nullptr, 'd'},
+			{"no-scan", no_argument, nullptr, 'D'},
 			{"input-file", required_argument, nullptr, 'i'},
 			{"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,
-			"l:Vhc?d:Di:I:", long_options, nullptr);
+			"h?VDcsl:d:i:I:", long_options, nullptr);
 		if (c == -1)
 			break;
 
@@ -180,6 +246,10 @@ int main(int argc, char *argv[])
 		case 'c':
 			restore_sessions = false;
 			break;
+
+		case 's':
+			do_logging = false;
+			break;
 		}
 	}
 
@@ -195,7 +265,8 @@ int main(int argc, char *argv[])
 	pv::GlobalSettings settings;
 	settings.set_defaults_where_needed();
 
-	pv::logging.init();
+	if (do_logging)
+		pv::logging.init();
 
 	// Initialise libsigrok
 	context = sigrok::Context::create();
@@ -209,6 +280,9 @@ int main(int argc, char *argv[])
 
 	::signal(SIGSEGV, &signal_handler);
 	::signal(SIGABRT, &signal_handler);
+
+	if (QFileInfo::exists(stacktrace_filename))
+		process_stacktrace(temp_path);
 #endif
 
 #ifdef ANDROID