]> sigrok.org Git - pulseview.git/blobdiff - main.cpp
Add boost::stacktrace support
[pulseview.git] / main.cpp
index 3e00479664aeb5f4b6a151a9d853fd6ac54da605..640168ff79b8c316f7638cfa423e5625cffe0251 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 <cstdint>
 #include <libsigrokcxx/libsigrokcxx.hpp>
 
 #include <getopt.h>
 
 #include <QDebug>
+#include <QSettings>
 
 #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/mainwindow.hpp"
+#include "pv/session.hpp"
+
 #ifdef ANDROID
 #include <libsigrokandroidutils/libsigrokandroidutils.h>
 #include "android/assetreader.hpp"
 #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::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);
+}
 #endif
 
 void usage()
 {
        fprintf(stdout,
                "Usage:\n"
-               "  %s [OPTION…] — %s\n"
+               "  %s [OPTIONS] [FILE]\n"
                "\n"
                "Help Options:\n"
                "  -h, -?, --help                  Show help option\n"
@@ -62,16 +85,21 @@ void usage()
                "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, --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"
-               "\n", PV_BIN_NAME, PV_DESCRIPTION);
+               "  -c, --clean                     Don't restore previous sessions on startup\n"
+               "\n", PV_BIN_NAME);
 }
 
 int main(int argc, char *argv[])
 {
        int ret = 0;
-       std::shared_ptr<sigrok::Context> context;
-       std::string open_file, open_file_format;
+       shared_ptr<sigrok::Context> context;
+       string open_file, open_file_format, driver;
+       bool restore_sessions = true;
+       bool do_scan = true;
 
        Application a(argc, argv);
 
@@ -82,18 +110,20 @@ int main(int argc, char *argv[])
 #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'},
-                       {"input-file", required_argument, 0, 'i'},
-                       {"input-format", required_argument, 0, 'I'},
-                       {0, 0, 0, 0}
+                       {"help", no_argument, nullptr, 'h'},
+                       {"version", no_argument, nullptr, 'V'},
+                       {"loglevel", required_argument, nullptr, 'l'},
+                       {"driver", required_argument, nullptr, 'd'},
+                       {"input-file", required_argument, nullptr, 'i'},
+                       {"input-format", required_argument, nullptr, 'I'},
+                       {"clean", no_argument, nullptr, 'c'},
+                       {nullptr, 0, nullptr, 0}
                };
 
                const int c = getopt_long(argc, argv,
-                       "l:Vh?i:I:", long_options, nullptr);
+                       "l:Vhc?d:Di:I:", long_options, nullptr);
                if (c == -1)
                        break;
 
@@ -111,15 +141,32 @@ 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;
@@ -127,18 +174,35 @@ int main(int argc, char *argv[])
                case 'I':
                        open_file_format = optarg;
                        break;
+
+               case 'c':
+                       restore_sessions = false;
+                       break;
                }
        }
 
        if (argc - optind > 1) {
                fprintf(stderr, "Only one file can be opened.\n");
                return 1;
-       } else if (argc - optind == 1) {
-               open_file = argv[argc - 1];
        }
 
+       if (argc - optind == 1)
+               open_file = argv[argc - 1];
+
        // 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);
+#endif
+
 #ifdef ANDROID
        context->set_resource_reader(&asset_reader);
 #endif
@@ -155,44 +219,51 @@ 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
+
+               // 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();
 
-                       // Initialise the main window
-                       pv::MainWindow w(device_manager,
-                               open_file, open_file_format);
-                       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;
 }