]> sigrok.org Git - pulseview.git/blobdiff - main.cpp
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[pulseview.git] / main.cpp
index 285c1535f3c20898307923de6c49ad08bcbfc899..cebeca378c69eaf1001229ff7340ae33d4c4e86b 100644 (file)
--- a/main.cpp
+++ b/main.cpp
  * 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, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
+ * 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 <stdint.h>
-#include <libsigrokcxx/libsigrokcxx.hpp>
-
+#include <cstdint>
+#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"
 #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"
+
 #ifdef ANDROID
 #include <libsigrokandroidutils/libsigrokandroidutils.h>
+#include "android/assetreader.hpp"
 #include "android/loghandler.hpp"
 #endif
 
 #include "config.h"
 
 #ifdef _WIN32
-// The static qsvg lib is required for SVG graphics/icons (on Windows).
 #include <QtPlugin>
-Q_IMPORT_PLUGIN(qsvg)
+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 [OPTION…] [FILE] — %s\n"
+               "  %s [OPTIONS] [FILE]\n"
                "\n"
                "Help Options:\n"
                "  -h, -?, --help                  Show help option\n"
@@ -61,33 +149,49 @@ void usage()
                "Application Options:\n"
                "  -V, --version                   Show release version\n"
                "  -l, --loglevel                  Set libsigrok/libsigrokdecode loglevel\n"
-               "\n", PV_BIN_NAME, PV_DESCRIPTION);
+               "  -d, --driver                    Specify the device driver to use\n"
+               "  -D, --no-scan                   Don't auto-scan for devices, use -d spec only\n"
+               "  -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);
 }
 
 int main(int argc, char *argv[])
 {
        int ret = 0;
-       std::shared_ptr<sigrok::Context> context;
-       const char *open_file = NULL;
+       shared_ptr<sigrok::Context> context;
+       string open_file, open_file_format, driver;
+       bool restore_sessions = true;
+       bool do_scan = true;
+       bool do_logging = true;
 
        Application a(argc, argv);
 
 #ifdef ANDROID
        srau_init_environment();
        pv::AndroidLogHandler::install_callbacks();
+       pv::AndroidAssetReader asset_reader;
 #endif
 
        // Parse arguments
-       while (1) {
+       while (true) {
                static const struct option long_options[] = {
-                       {"help", no_argument, 0, 'h'},
-                       {"version", no_argument, 0, 'V'},
-                       {"loglevel", required_argument, 0, 'l'},
-                       {0, 0, 0, 0}
+                       {"help", no_argument, nullptr, 'h'},
+                       {"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:Vh?", long_options, nullptr);
+                       "h?VDcsl:d:i:I:", long_options, nullptr);
                if (c == -1)
                        break;
 
@@ -105,26 +209,85 @@ int main(int argc, char *argv[])
                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_file = optarg;
+                       break;
+
+               case 'I':
+                       open_file_format = optarg;
+                       break;
+
+               case 'c':
+                       restore_sessions = false;
+                       break;
+
+               case 's':
+                       do_logging = false;
+                       break;
                }
        }
 
        if (argc - optind > 1) {
-               fprintf(stderr, "Only one file can be openened.\n");
+               fprintf(stderr, "Only one file can be opened.\n");
                return 1;
-       } else if (argc - optind == 1)
+       }
+
+       if (argc - optind == 1)
                open_file = argv[argc - 1];
 
+       // Prepare the global settings since logging needs them early on
+       pv::GlobalSettings settings;
+       settings.set_defaults_where_needed();
+
+       if (do_logging)
+               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
@@ -138,43 +301,51 @@ int main(int argc, char *argv[])
                srd_decoder_load_all();
 #endif
 
+#ifndef ENABLE_STACKTRACE
                try {
-                       // Create the device manager, initialise the drivers
-                       pv::DeviceManager device_manager(context);
+#endif
 
-                       // Initialise the main window
-                       pv::MainWindow w(device_manager, open_file);
-                       w.show();
+               // Create the device manager, initialise the drivers
+               pv::DeviceManager device_manager(context, driver, do_scan);
+
+               // Initialise the main window
+               pv::MainWindow w(device_manager);
+               w.show();
+
+               if (restore_sessions)
+                       w.restore_sessions();
+
+               if (!open_file.empty())
+                       w.add_session_with_file(open_file, open_file_format);
+               else
+                       w.add_default_session();
 
 #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.";
-                       }
+               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();
+               // Run the application
+               ret = a.exec();
 
-               } catch(std::exception e) {
-                       qDebug() << e.what();
+#ifndef ENABLE_STACKTRACE
+               } catch (exception& e) {
+                       qDebug() << "Exception:" << e.what();
                }
+#endif
 
 #ifdef ENABLE_DECODE
                // Destroy libsigrokdecode
                srd_exit();
 #endif
 
-       } while (0);
+       } while (false);
 
        return ret;
 }