374 lines
		
	
	
		
			14 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			374 lines
		
	
	
		
			14 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| #include <iostream>
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| #include <exception>
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| #include <stdexcept>
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| #include <string>
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| 
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| #include <locale.h>
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| #include <fftw3.h>
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| 
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| #include <QDateTime>
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| #include <QApplication>
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| #include <QRegularExpression>
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| #include <QObject>
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| #include <QSettings>
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| #include <QLibraryInfo>
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| #include <QSysInfo>
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| #include <QDir>
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| #include <QStandardPaths>
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| #include <QStringList>
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| #include <QLockFile>
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| #include <QStack>
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| #include <QSplashScreen>
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| 
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| #if QT_VERSION >= 0x050200
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| #include <QCommandLineParser>
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| #include <QCommandLineOption>
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| #endif
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| 
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| #include "revision_utils.hpp"
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| #include "MetaDataRegistry.hpp"
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| #include "SettingsGroup.hpp"
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| #include "TraceFile.hpp"
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| #include "MultiSettings.hpp"
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| #include "mainwindow.h"
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| #include "commons.h"
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| #include "lib/init_random_seed.h"
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| #include "Radio.hpp"
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| #include "FrequencyList.hpp"
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| #include "SplashScreen.hpp"
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| #include "MessageBox.hpp"       // last to avoid nasty MS macro definitions
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| 
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| #include "DriftingDateTime.h"
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| 
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| extern "C" {
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|   // Fortran procedures we need
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|   void four2a_(_Complex float *, int * nfft, int * ndim, int * isign, int * iform, int len);
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| }
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| 
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| namespace
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| {
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|   struct RNGSetup
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|   {
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|     RNGSetup ()
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|     {
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|       // one time seed of pseudo RNGs from current time
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|       auto seed = DriftingDateTime::currentMSecsSinceEpoch ();
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|       qsrand (seed);            // this is good for rand() as well
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|     }
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|   } seeding;
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| 
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|   class MessageTimestamper
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|   {
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|   public:
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|     MessageTimestamper ()
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|     {
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|       prior_handlers_.push (qInstallMessageHandler (message_handler));
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|     }
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|     ~MessageTimestamper ()
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|     {
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|       if (prior_handlers_.size ()) qInstallMessageHandler (prior_handlers_.pop ());
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|     }
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| 
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|   private:
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|     static void message_handler (QtMsgType type, QMessageLogContext const& context, QString const& msg)
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|     {
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|       QtMessageHandler handler {prior_handlers_.top ()};
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|       if (handler)
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|         {
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|           handler (type, context,
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|                    DriftingDateTime::currentDateTimeUtc ().toString ("yy-MM-ddTHH:mm:ss.zzzZ: ") + msg);
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|         }
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|     }
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|     static QStack<QtMessageHandler> prior_handlers_;
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|   };
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|   QStack<QtMessageHandler> MessageTimestamper::prior_handlers_;
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| }
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| 
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| int main(int argc, char *argv[])
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| {
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|   // Add timestamps to all debug messages
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|   MessageTimestamper message_timestamper;
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| 
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|   init_random_seed ();
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| 
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|   // make the Qt type magic happen
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|   Radio::register_types ();
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|   register_types ();
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| 
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|   // Multiple instances communicate with the decoder via this shared memory segment
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|   QSharedMemory mem_js8;
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| 
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|   QApplication a(argc, argv);
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|   try
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|     {
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|       setlocale (LC_NUMERIC, "C"); // ensure number forms are in
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|                                    // consistent format, do this after
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|                                    // instantiating QApplication so
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|                                    // that GUI has correct l18n
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| 
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|       // Override programs executable basename as application name.
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|       a.setApplicationName("JS8Call");
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|       a.setApplicationVersion (version ());
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| 
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| #if QT_VERSION >= 0x050200
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|       QCommandLineParser parser;
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|       parser.setApplicationDescription ("\n" PROJECT_SUMMARY_DESCRIPTION);
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|       auto help_option = parser.addHelpOption ();
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|       auto version_option = parser.addVersionOption ();
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| 
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|       QCommandLineOption output_option(QStringList() << "o" << "output", "Write debug statements into <file>.", "file");
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|       parser.addOption (output_option);
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| 
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|       // support for multiple instances running from a single installation
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|       QCommandLineOption rig_option (QStringList {} << "r" << "rig-name"
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|                                      , a.translate ("main", "Where <rig-name> is for multi-instance support.")
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|                                      , a.translate ("main", "rig-name"));
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|       parser.addOption (rig_option);
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| 
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|       // support for start up configuration
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|       QCommandLineOption cfg_option (QStringList {} << "c" << "config"
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|                                      , a.translate ("main", "Where <configuration> is an existing one.")
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|                                      , a.translate ("main", "configuration"));
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|       parser.addOption (cfg_option);
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| 
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|       QCommandLineOption test_option (QStringList {} << "test-mode"
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|                                       , a.translate ("main", "Writable files in test location.  Use with caution, for testing only."));
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|       parser.addOption (test_option);
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| 
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|       if (!parser.parse (a.arguments ()))
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|         {
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|           MessageBox::critical_message (nullptr, a.translate ("main", "Command line error"), parser.errorText ());
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|           return -1;
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|         }
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|       else
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|         {
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|           if (parser.isSet (help_option))
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|             {
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|               MessageBox::information_message (nullptr, a.translate ("main", "Command line help"), parser.helpText ());
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|               return 0;
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|             }
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|           else if (parser.isSet (version_option))
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|             {
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|               MessageBox::information_message (nullptr, a.translate ("main", "Application version"), a.applicationVersion ());
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|               return 0;
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|             }
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|         }
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| 
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|       if(parser.isSet(output_option)){
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|           new TraceFile(parser.value(output_option));
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|       }
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| 
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|       QStandardPaths::setTestModeEnabled (parser.isSet (test_option));
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| 
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|       // support for multiple instances running from a single installation
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|       bool multiple {false};
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|       if (parser.isSet (rig_option) || parser.isSet (test_option))
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|         {
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|           auto temp_name = parser.value (rig_option);
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|           if (!temp_name.isEmpty ())
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|             {
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|               if (temp_name.contains (QRegularExpression {R"([\\/,])"}))
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|                 {
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|                   std::cerr << QObject::tr ("Invalid rig name - \\ & / not allowed").toLocal8Bit ().data () << std::endl;
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|                   parser.showHelp (-1);
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|                 }
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|                 
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|               a.setApplicationName (a.applicationName () + " - " + temp_name);
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|             }
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| 
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|           if (parser.isSet (test_option))
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|             {
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|               a.setApplicationName (a.applicationName () + " - test");
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|             }
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| 
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|           multiple = true;
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|         }
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| 
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|       // now we have the application name we can open the settings
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|       MultiSettings multi_settings {parser.value (cfg_option)};
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| 
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|       // find the temporary files path
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|       QDir temp_dir {QStandardPaths::writableLocation (QStandardPaths::TempLocation)};
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|       Q_ASSERT (temp_dir.exists ()); // sanity check
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| 
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|       // disallow multiple instances with same instance key
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|       QLockFile instance_lock {temp_dir.absoluteFilePath (a.applicationName () + ".lock")};
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|       instance_lock.setStaleLockTime (0);
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|       bool lock_ok {false};
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|       while (!(lock_ok = instance_lock.tryLock ()))
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|         {
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|           if (QLockFile::LockFailedError == instance_lock.error ())
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|             {
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|               auto button = MessageBox::query_message (nullptr
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|                                                        , a.translate ("main", "Another instance may be running")
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|                                                        , a.translate ("main", "try to remove stale lock file?")
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|                                                        , QString {}
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|                                                        , MessageBox::Yes | MessageBox::Retry | MessageBox::No
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|                                                        , MessageBox::Yes);
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|               switch (button)
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|                 {
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|                 case MessageBox::Yes:
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|                   instance_lock.removeStaleLockFile ();
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|                   break;
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| 
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|                 case MessageBox::Retry:
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|                   break;
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| 
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|                 default:
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|                   throw std::runtime_error {"Multiple instances must have unique rig names"};
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|                 }
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|             }
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|         }
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| #endif
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| 
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| #if WSJT_QDEBUG_TO_FILE
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|       // Open a trace file
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|       TraceFile trace_file {temp_dir.absoluteFilePath (a.applicationName () + "_trace.log")};
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|       qDebug () << program_title (revision ()) + " - Program startup";
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| #endif
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| 
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|       // Create a unique writeable temporary directory in a suitable location
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|       bool temp_ok {false};
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|       QString unique_directory {QApplication::applicationName ()};
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|       do
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|         {
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|           if (!temp_dir.mkpath (unique_directory)
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|               || !temp_dir.cd (unique_directory))
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|             {
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|               MessageBox::critical_message (nullptr,
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|                                             a.translate ("main", "Failed to create a temporary directory"),
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|                                             a.translate ("main", "Path: \"%1\"").arg (temp_dir.absolutePath ()));
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|               throw std::runtime_error {"Failed to create a temporary directory"};
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|             }
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|           if (!temp_dir.isReadable () || !(temp_ok = QTemporaryFile {temp_dir.absoluteFilePath ("test")}.open ()))
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|             {
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|               auto button =  MessageBox::critical_message (nullptr,
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|                                                            a.translate ("main", "Failed to create a usable temporary directory"),
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|                                                            a.translate ("main", "Another application may be locking the directory"),
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|                                                            a.translate ("main", "Path: \"%1\"").arg (temp_dir.absolutePath ()),
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|                                                            MessageBox::Retry | MessageBox::Cancel);
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|               if (MessageBox::Cancel == button)
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|                 {
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|                   throw std::runtime_error {"Failed to create a usable temporary directory"};
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|                 }
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|               temp_dir.cdUp ();  // revert to parent as this one is no good
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|             }
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|         }
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|       while (!temp_ok);
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| 
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|       SplashScreen splash;
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|       {
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|         // change this key if you want to force a new splash screen
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|         // for a new version, the user will be able to re-disable it
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|         // if they wish
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|         QString splash_flag_name {"Splash_v1.7"};
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|         if (multi_settings.common_value (splash_flag_name, true).toBool ())
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|           {
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|             QObject::connect (&splash, &SplashScreen::disabled, [&, splash_flag_name] {
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|                 multi_settings.set_common_value (splash_flag_name, false);
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|                 splash.close ();
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|               });
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|             //splash.show ();
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|             a.processEvents ();
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|           }
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|       }
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| 
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|       int result;
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|       do
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|         {
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| #if WSJT_QDEBUG_TO_FILE
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|           // announce to trace file and dump settings
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|           qDebug () << "++++++++++++++++++++++++++++ Settings ++++++++++++++++++++++++++++";
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|           for (auto const& key: multi_settings.settings ()->allKeys ())
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|             {
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|               auto const& value = multi_settings.settings ()->value (key);
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|               if (value.canConvert<QVariantList> ())
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|                 {
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|                   auto const sequence = value.value<QSequentialIterable> ();
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|                   qDebug ().nospace () << key << ": ";
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|                   for (auto const& item: sequence)
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|                     {
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|                       qDebug ().nospace () << '\t' << item;
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|                     }
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|                 }
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|               else
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|                 {
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|                   qDebug ().nospace () << key << ": " << value;
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|                 }
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|             }
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|           qDebug () << "---------------------------- Settings ----------------------------";
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| #endif
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| 
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|           // Create and initialize shared memory segment
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|           // Multiple instances: use rig_name as shared memory key
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|           mem_js8.setKey(a.applicationName ());
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| 
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|           if(!mem_js8.attach()) {
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|             std::cerr << QString("memory attach error: %1").arg(mem_js8.error()).toLocal8Bit ().data () << std::endl;
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| 
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|             if (!mem_js8.create(sizeof(struct dec_data))) {
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|               splash.hide ();
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|               std::cerr << QString("memory create error: %1").arg(mem_js8.error()).toLocal8Bit ().data () << std::endl;
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| 
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|               MessageBox::critical_message (nullptr, a.translate ("main", "Shared memory error"),
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|                                             a.translate ("main", "Unable to create shared memory segment"));
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|               throw std::runtime_error {"Shared memory error"};
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|             }
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|           }
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|           memset(mem_js8.data(),0,sizeof(struct dec_data)); //Zero all decoding params in shared memory
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| 
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|           unsigned downSampleFactor;
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|           {
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|             SettingsGroup {multi_settings.settings (), "Tune"};
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| 
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|             // deal with Windows Vista and earlier input audio rate
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|             // converter problems
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|             downSampleFactor = multi_settings.settings ()->value ("Audio/DisableInputResampling",
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| #if defined (Q_OS_WIN)
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|                                                                   // default to true for
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|                                                                   // Windows Vista and older
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|                                                                   QSysInfo::WV_VISTA >= QSysInfo::WindowsVersion ? true : false
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| #else
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|                                                                   false
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| #endif
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|                                                                   ).toBool () ? 1u : 4u;
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|           }
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| 
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|           // run the application UI
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|           MainWindow w(temp_dir, multiple, &multi_settings, &mem_js8, downSampleFactor, &splash);
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|           w.show();
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|           //splash.raise ();
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|           QObject::connect (&a, SIGNAL (lastWindowClosed()), &a, SLOT (quit()));
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|           result = a.exec();
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|         }
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|       while (!result && !multi_settings.exit ());
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| 
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|       // clean up lazily initialized resources
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|       {
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|         int nfft {-1};
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|         int ndim {1};
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|         int isign {1};
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|         int iform {1};
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|         // free FFT plan resources
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|         four2a_ (nullptr, &nfft, &ndim, &isign, &iform, 0);
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|       }
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|       fftwf_forget_wisdom ();
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|       fftwf_cleanup ();
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| 
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|       temp_dir.removeRecursively (); // clean up temp files
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|       return result;
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|     }
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|   catch (std::exception const& e)
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|     {
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|       MessageBox::critical_message (nullptr, a.translate ("main", "Fatal error"), e.what ());
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|       std::cerr << "Error: " << e.what () << '\n';
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|     }
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|   catch (...)
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|     {
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|       MessageBox::critical_message (nullptr, a.translate ("main", "Unexpected fatal error"));
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|       std::cerr << "Unexpected fatal error\n";
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|       throw;			// hoping the runtime might tell us more about the exception
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|     }
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|   return -1;
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| }
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