#include <iostream>
#include <exception>
#include <stdexcept>
#include <string>
#include <iterator>
#include <algorithm>
#include <ios>
#include <locale>
#include <fftw3.h>
#include <QSharedMemory>
#include <QProcessEnvironment>
#include <QTemporaryFile>
#include <QDateTime>
#include <QLocale>
#include <QTranslator>
#include <QRegularExpression>
#include <QObject>
#include <QSettings>
#include <QSysInfo>
#include <QDir>
#include <QDirIterator>
#include <QStandardPaths>
#include <QStringList>
#include <QLockFile>
#include <QSplashScreen>
#include <QCommandLineParser>
#include <QCommandLineOption>
#include <QSqlDatabase>
#include <QSqlQuery>
#include <QSqlError>
#include <QVariant>
#include <QByteArray>
#include <QBitArray>
#include <QMetaType>
#include "ExceptionCatchingApplication.hpp"
#include "Logger.hpp"
#include "revision_utils.hpp"
#include "MetaDataRegistry.hpp"
#include "qt_helpers.hpp"
#include "L10nLoader.hpp"
#include "SettingsGroup.hpp"
//#include "TraceFile.hpp"
#include "WSJTXLogging.hpp"
#include "MultiSettings.hpp"
#include "widgets/mainwindow.h"
#include "commons.h"
#include "lib/init_random_seed.h"
#include "Radio.hpp"
#include "models/FrequencyList.hpp"
#include "widgets/SplashScreen.hpp"
#include "widgets/MessageBox.hpp" // last to avoid nasty MS macro definitions
extern "C" {
// Fortran procedures we need
void four2a_(_Complex float *, int * nfft, int * ndim, int * isign, int * iform, int len);
}
namespace
{
#if QT_VERSION < QT_VERSION_CHECK (5, 15, 0)
struct RNGSetup
{
RNGSetup ()
{
// one time seed of pseudo RNGs from current time
auto seed = QDateTime::currentMSecsSinceEpoch ();
qsrand (seed); // this is good for rand() as well
}
} seeding;
#endif
void safe_stream_QVariant (boost::log::record_ostream& os, QVariant const& v)
{
switch (static_cast<QMetaType::Type> (v.type ()))
{
case QMetaType::QByteArray:
os << "0x"
#if QT_VERSION >= QT_VERSION_CHECK (5, 9, 0)
<< v.toByteArray ().toHex (':').toStdString ()
#else
<< v.toByteArray ().toHex ().toStdString ()
#endif
;
break;
case QMetaType::QBitArray:
{
auto const& bits = v.toBitArray ();
os << "0b";
for (int i = 0; i < bits.size (); ++ i)
{
os << (bits[i] ? '1' : '0');
}
}
break;
default:
os << v.toString ();
}
}
}
int main(int argc, char *argv[])
{
init_random_seed ();
// make the Qt type magic happen
Radio::register_types ();
register_types ();
// Multiple instances communicate with jt9 via this
QSharedMemory mem_jt9;
auto const env = QProcessEnvironment::systemEnvironment ();
ExceptionCatchingApplication a(argc, argv);
try
{
// LOG_INfO ("+++++++++++++++++++++++++++ Resources ++++++++++++++++++++++++++++");
// {
// QDirIterator resources_iter {":/", QDirIterator::Subdirectories};
// while (resources_iter.hasNext ())
// {
// LOG_INFO (resources_iter.next ());
// }
// }
// LOG_INFO ("--------------------------- Resources ----------------------------");
QLocale locale; // get the current system locale
// reset the C+ & C global locales to the classic C locale
std::locale::global (std::locale::classic ());
// Override programs executable basename as application name.
a.setApplicationName ("WSJT-X");
a.setApplicationVersion (version ());
QCommandLineParser parser;
parser.setApplicationDescription ("\n" PROJECT_DESCRIPTION);
auto help_option = parser.addHelpOption ();
auto version_option = parser.addVersionOption ();
// support for multiple instances running from a single installation
QCommandLineOption rig_option (QStringList {} << "r" << "rig-name"
, "Where <rig-name> is for multi-instance support."
, "rig-name");
parser.addOption (rig_option);
// support for start up configuration
QCommandLineOption cfg_option (QStringList {} << "c" << "config"
, "Where <configuration> is an existing one."
, "configuration");
parser.addOption (cfg_option);
// support for UI language override (useful on Windows)
QCommandLineOption lang_option (QStringList {} << "l" << "language"
, "Where <language> is <lang-code>[-<country-code>]."
, "language");
parser.addOption (lang_option);
QCommandLineOption test_option (QStringList {} << "test-mode"
, "Writable files in test location. Use with caution, for testing only.");
parser.addOption (test_option);
if (!parser.parse (a.arguments ()))
{
MessageBox::critical_message (nullptr, "Command line error", parser.errorText ());
return -1;
}
else
{
if (parser.isSet (help_option))
{
MessageBox::information_message (nullptr, "Command line help", parser.helpText ());
return 0;
}
else if (parser.isSet (version_option))
{
MessageBox::information_message (nullptr, "Application version", a.applicationVersion ());
return 0;
}
}
QStandardPaths::setTestModeEnabled (parser.isSet (test_option));
// support for multiple instances running from a single installation
bool multiple {false};
if (parser.isSet (rig_option) || parser.isSet (test_option))
{
auto temp_name = parser.value (rig_option);
if (!temp_name.isEmpty ())
{
if (temp_name.contains (QRegularExpression {R"([\\/,])"}))
{
std::cerr << "Invalid rig name - \\ & / not allowed" << std::endl;
parser.showHelp (-1);
}
a.setApplicationName (a.applicationName () + " - " + temp_name);
}
if (parser.isSet (test_option))
{
a.setApplicationName (a.applicationName () + " - test");
}
multiple = true;
}
// now we have the application name we can open the logging and settings
WSJTXLogging lg;
LOG_INFO (program_title (revision ()) << " - Program startup");
MultiSettings multi_settings {parser.value (cfg_option)};
// find the temporary files path
QDir temp_dir {QStandardPaths::writableLocation (QStandardPaths::TempLocation)};
Q_ASSERT (temp_dir.exists ()); // sanity check
// disallow multiple instances with same instance key
QLockFile instance_lock {temp_dir.absoluteFilePath (a.applicationName () + ".lock")};
instance_lock.setStaleLockTime (0);
while (!instance_lock.tryLock ())
{
if (QLockFile::LockFailedError == instance_lock.error ())
{
auto button = MessageBox::query_message (nullptr
, "Another instance may be running"
, "try to remove stale lock file?"
, QString {}
, MessageBox::Yes | MessageBox::Retry | MessageBox::No
, MessageBox::Yes);
switch (button)
{
case MessageBox::Yes:
instance_lock.removeStaleLockFile ();
break;
case MessageBox::Retry:
break;
default:
throw std::runtime_error {"Multiple instances must have unique rig names"};
}
}
else
{
throw std::runtime_error {"Failed to access lock file"};
}
}
// load UI translations
L10nLoader l10n {&a, locale, parser.value (lang_option)};
// Create a unique writeable temporary directory in a suitable location
bool temp_ok {false};
QString unique_directory {ExceptionCatchingApplication::applicationName ()};
do
{
if (!temp_dir.mkpath (unique_directory)
|| !temp_dir.cd (unique_directory))
{
MessageBox::critical_message (nullptr,
a.translate ("main", "Failed to create a temporary directory"),
a.translate ("main", "Path: \"%1\"").arg (temp_dir.absolutePath ()));
throw std::runtime_error {"Failed to create a temporary directory"};
}
if (!temp_dir.isReadable () || !(temp_ok = QTemporaryFile {temp_dir.absoluteFilePath ("test")}.open ()))
{
auto button = MessageBox::critical_message (nullptr,
a.translate ("main", "Failed to create a usable temporary directory"),
a.translate ("main", "Another application may be locking the directory"),
a.translate ("main", "Path: \"%1\"").arg (temp_dir.absolutePath ()),
MessageBox::Retry | MessageBox::Cancel);
if (MessageBox::Cancel == button)
{
throw std::runtime_error {"Failed to create a usable temporary directory"};
}
temp_dir.cdUp (); // revert to parent as this one is no good
}
}
while (!temp_ok);
SplashScreen splash;
{
// change this key if you want to force a new splash screen
// for a new version, the user will be able to re-disable it
// if they wish
QString splash_flag_name {"Splash_v1.7"};
if (multi_settings.common_value (splash_flag_name, true).toBool ())
{
QObject::connect (&splash, &SplashScreen::disabled, [&, splash_flag_name] {
multi_settings.set_common_value (splash_flag_name, false);
splash.close ();
});
splash.show ();
a.processEvents ();
}
}
// create writeable data directory if not already there
auto writeable_data_dir = QDir {QStandardPaths::writableLocation (QStandardPaths::DataLocation)};
if (!writeable_data_dir.mkpath ("."))
{
MessageBox::critical_message (nullptr, a.translate ("main", "Failed to create data directory"),
a.translate ("main", "path: \"%1\"").arg (writeable_data_dir.absolutePath ()));
throw std::runtime_error {"Failed to create data directory"};
}
// set up SQLite database
if (!QSqlDatabase::drivers ().contains ("QSQLITE"))
{
throw std::runtime_error {"Failed to find SQLite Qt driver"};
}
auto db = QSqlDatabase::addDatabase ("QSQLITE");
db.setDatabaseName (writeable_data_dir.absoluteFilePath ("db.sqlite"));
if (!db.open ())
{
throw std::runtime_error {("Database Error: " + db.lastError ().text ()).toStdString ()};
}
// better performance traded for a risk of d/b corruption
// on system crash or application crash
// db.exec ("PRAGMA synchronous=OFF"); // system crash risk
// db.exec ("PRAGMA journal_mode=MEMORY"); // application crash risk
db.exec ("PRAGMA locking_mode=EXCLUSIVE");
int result;
auto const& original_style_sheet = a.styleSheet ();
do
{
// dump settings
auto sys_lg = sys::get ();
if (auto rec = sys_lg.open_record
(
boost::log::keywords::severity = boost::log::trivial::trace)
)
{
boost::log::record_ostream strm (rec);
strm << "++++++++++++++++++++++++++++ Settings ++++++++++++++++++++++++++++\n";
for (auto const& key: multi_settings.settings ()->allKeys ())
{
if (!key.contains (QRegularExpression {"^MultiSettings/[^/]*/"}))
{
auto const& value = multi_settings.settings ()->value (key);
if (value.canConvert<QVariantList> ())
{
auto const sequence = value.value<QSequentialIterable> ();
strm << key << ":\n";
for (auto const& item: sequence)
{
strm << "\t";
safe_stream_QVariant (strm, item);
strm << '\n';
}
}
else
{
strm << key << ": ";
safe_stream_QVariant (strm, value);
strm << '\n';
}
}
}
strm << "---------------------------- Settings ----------------------------\n";
strm.flush ();
sys_lg.push_record (boost::move (rec));
}
// Create and initialize shared memory segment
// Multiple instances: use rig_name as shared memory key
mem_jt9.setKey(a.applicationName ());
// try and shut down any orphaned jt9 process
for (int i = 3; i; --i) // three tries to close old jt9
{
if (mem_jt9.attach ()) // shared memory presence implies
// orphaned jt9 sub-process
{
dec_data_t * dd = reinterpret_cast<dec_data_t *> (mem_jt9.data());
mem_jt9.lock ();
dd->ipc[1] = 999; // tell jt9 to shut down
mem_jt9.unlock ();
mem_jt9.detach (); // start again
}
else
{
break; // good to go
}
QThread::sleep (1); // wait for jt9 to end
}
if (!mem_jt9.attach ())
{
if (!mem_jt9.create (sizeof (dec_data)))
{
splash.hide ();
MessageBox::critical_message (nullptr, a.translate ("main", "Shared memory error"),
a.translate ("main", "Unable to create shared memory segment"));
throw std::runtime_error {"Shared memory error"};
}
LOG_INFO ("shmem size: " << mem_jt9.size ());
}
else
{
splash.hide ();
MessageBox::critical_message (nullptr, a.translate ("main", "Sub-process error"),
a.translate ("main", "Failed to close orphaned jt9 process"));
throw std::runtime_error {"Sub-process error"};
}
mem_jt9.lock ();
memset(mem_jt9.data(),0,sizeof(struct dec_data)); //Zero all decoding params in shared memory
mem_jt9.unlock ();
unsigned downSampleFactor;
{
SettingsGroup {multi_settings.settings (), "Tune"};
// deal with Windows Vista and earlier input audio rate
// converter problems
downSampleFactor = multi_settings.settings ()->value ("Audio/DisableInputResampling",
#if defined (Q_OS_WIN)
// default to true for
// Windows Vista and older
QSysInfo::WV_VISTA >= QSysInfo::WindowsVersion ? true : false
#else
false
#endif
).toBool () ? 1u : 4u;
}
// run the application UI
MainWindow w(temp_dir, multiple, &multi_settings, &mem_jt9, downSampleFactor, &splash, env);
w.show();
splash.raise ();
QObject::connect (&a, SIGNAL (lastWindowClosed()), &a, SLOT (quit()));
result = a.exec();
// ensure config switches start with the right style sheet
a.setStyleSheet (original_style_sheet);
}
while (!result && !multi_settings.exit ());
// clean up lazily initialized resources
{
int nfft {-1};
int ndim {1};
int isign {1};
int iform {1};
// free FFT plan resources
four2a_ (nullptr, &nfft, &ndim, &isign, &iform, 0);
}
fftwf_forget_wisdom ();
fftwf_cleanup ();
temp_dir.removeRecursively (); // clean up temp files
return result;
}
catch (std::exception const& e)
{
MessageBox::critical_message (nullptr, "Fatal error", e.what ());
std::cerr << "Error: " << e.what () << '\n';
}
catch (...)
{
MessageBox::critical_message (nullptr, "Unexpected fatal error");
std::cerr << "Unexpected fatal error\n";
throw; // hoping the runtime might tell us more about the exception
}
return -1;
}