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// Copyright (c) 2011-2014 The Bitcoin developers
// Distributed under the MIT/X11 software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
#if defined(HAVE_CONFIG_H)
#include "config/bitcoin-config.h"
#endif
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#include "bitcoingui.h"
#include "clientmodel.h"
#include "guiconstants.h"
#include "guiutil.h"
#include "intro.h"
#include "networkstyle.h"
#include "optionsmodel.h"
#include "splashscreen.h"
#include "utilitydialog.h"
#include "winshutdownmonitor.h"
#ifdef ENABLE_WALLET
#include "paymentserver.h"
#include "walletmodel.h"
#endif
#include "init.h"
#include "main.h"
#include "rpcserver.h"
#include "ui_interface.h"
#include "util.h"
#ifdef ENABLE_WALLET
#include "wallet.h"
#endif
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#include <stdint.h>
#include <boost/filesystem/operations.hpp>
#include <boost/thread.hpp>
#include <QApplication>
#include <QDebug>
#include <QLibraryInfo>
#include <QLocale>
#include <QMessageBox>
#include <QSettings>
#include <QThread>
#include <QTimer>
#include <QTranslator>
#if defined(QT_STATICPLUGIN)
#include <QtPlugin>
#if QT_VERSION < 0x050000
Q_IMPORT_PLUGIN(qcncodecs)
Q_IMPORT_PLUGIN(qjpcodecs)
Q_IMPORT_PLUGIN(qtwcodecs)
Q_IMPORT_PLUGIN(qkrcodecs)
Q_IMPORT_PLUGIN(qtaccessiblewidgets)
#else
Q_IMPORT_PLUGIN(AccessibleFactory)
#if defined(QT_QPA_PLATFORM_XCB)
Q_IMPORT_PLUGIN(QXcbIntegrationPlugin);
#elif defined(QT_QPA_PLATFORM_WINDOWS)
Q_IMPORT_PLUGIN(QWindowsIntegrationPlugin);
#elif defined(QT_QPA_PLATFORM_COCOA)
Q_IMPORT_PLUGIN(QCocoaIntegrationPlugin);
#endif
#endif
#endif
#if QT_VERSION < 0x050000
#include <QTextCodec>
#endif
// Declare meta types used for QMetaObject::invokeMethod
Q_DECLARE_METATYPE(bool*)
Q_DECLARE_METATYPE(CAmount)
static void InitMessage(const std::string &message)
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{
LogPrintf("init message: %s\n", message);
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}
/*
Translate string to current locale using Qt.
*/
static std::string Translate(const char* psz)
{
return QCoreApplication::translate("bitcoin-core", psz).toStdString();
}
/** Set up translations */
static void initTranslations(QTranslator &qtTranslatorBase, QTranslator &qtTranslator, QTranslator &translatorBase, QTranslator &translator)
{
QSettings settings;
// Remove old translators
QApplication::removeTranslator(&qtTranslatorBase);
QApplication::removeTranslator(&qtTranslator);
QApplication::removeTranslator(&translatorBase);
QApplication::removeTranslator(&translator);
// Get desired locale (e.g. "de_DE")
// 1) System default language
QString lang_territory = QLocale::system().name();
// 2) Language from QSettings
QString lang_territory_qsettings = settings.value("language", "").toString();
if(!lang_territory_qsettings.isEmpty())
lang_territory = lang_territory_qsettings;
// 3) -lang command line argument
lang_territory = QString::fromStdString(GetArg("-lang", lang_territory.toStdString()));
// Convert to "de" only by truncating "_DE"
QString lang = lang_territory;
lang.truncate(lang_territory.lastIndexOf('_'));
// Load language files for configured locale:
// - First load the translator for the base language, without territory
// - Then load the more specific locale translator
// Load e.g. qt_de.qm
if (qtTranslatorBase.load("qt_" + lang, QLibraryInfo::location(QLibraryInfo::TranslationsPath)))
QApplication::installTranslator(&qtTranslatorBase);
// Load e.g. qt_de_DE.qm
if (qtTranslator.load("qt_" + lang_territory, QLibraryInfo::location(QLibraryInfo::TranslationsPath)))
QApplication::installTranslator(&qtTranslator);
// Load e.g. bitcoin_de.qm (shortcut "de" needs to be defined in bitcoin.qrc)
if (translatorBase.load(lang, ":/translations/"))
QApplication::installTranslator(&translatorBase);
// Load e.g. bitcoin_de_DE.qm (shortcut "de_DE" needs to be defined in bitcoin.qrc)
if (translator.load(lang_territory, ":/translations/"))
QApplication::installTranslator(&translator);
}
/* qDebug() message handler --> debug.log */
#if QT_VERSION < 0x050000
void DebugMessageHandler(QtMsgType type, const char *msg)
{
const char *category = (type == QtDebugMsg) ? "qt" : NULL;
LogPrint(category, "GUI: %s\n", msg);
}
#else
void DebugMessageHandler(QtMsgType type, const QMessageLogContext& context, const QString &msg)
{
Q_UNUSED(context);
const char *category = (type == QtDebugMsg) ? "qt" : NULL;
LogPrint(category, "GUI: %s\n", msg.toStdString());
}
#endif
/** Class encapsulating Bitcoin Core startup and shutdown.
* Allows running startup and shutdown in a different thread from the UI thread.
*/
class BitcoinCore: public QObject
{
Q_OBJECT
public:
explicit BitcoinCore();
public slots:
void initialize();
void shutdown();
signals:
void initializeResult(int retval);
void shutdownResult(int retval);
void runawayException(const QString &message);
private:
boost::thread_group threadGroup;
/// Pass fatal exception message to UI thread
void handleRunawayException(const std::exception *e);
};
/** Main Bitcoin application object */
class BitcoinApplication: public QApplication
{
Q_OBJECT
public:
explicit BitcoinApplication(int &argc, char **argv);
~BitcoinApplication();
#ifdef ENABLE_WALLET
/// Create payment server
void createPaymentServer();
#endif
/// Create options model
void createOptionsModel();
/// Create main window
void createWindow(const NetworkStyle *networkStyle);
/// Create splash screen
void createSplashScreen(const NetworkStyle *networkStyle);
/// Request core initialization
void requestInitialize();
/// Request core shutdown
void requestShutdown();
/// Get process return value
int getReturnValue() { return returnValue; }
/// Get window identifier of QMainWindow (BitcoinGUI)
WId getMainWinId() const;
public slots:
void initializeResult(int retval);
void shutdownResult(int retval);
/// Handle runaway exceptions. Shows a message box with the problem and quits the program.
void handleRunawayException(const QString &message);
signals:
void requestedInitialize();
void requestedShutdown();
void stopThread();
void splashFinished(QWidget *window);
private:
QThread *coreThread;
OptionsModel *optionsModel;
ClientModel *clientModel;
BitcoinGUI *window;
QTimer *pollShutdownTimer;
#ifdef ENABLE_WALLET
PaymentServer* paymentServer;
WalletModel *walletModel;
#endif
int returnValue;
void startThread();
};
#include "bitcoin.moc"
BitcoinCore::BitcoinCore():
QObject()
{
}
void BitcoinCore::handleRunawayException(const std::exception *e)
{
PrintExceptionContinue(e, "Runaway exception");
emit runawayException(QString::fromStdString(strMiscWarning));
}
void BitcoinCore::initialize()
{
try
{
qDebug() << __func__ << ": Running AppInit2 in thread";
int rv = AppInit2(threadGroup);
if(rv)
{
/* Start a dummy RPC thread if no RPC thread is active yet
* to handle timeouts.
*/
StartDummyRPCThread();
}
emit initializeResult(rv);
} catch (const std::exception& e) {
handleRunawayException(&e);
} catch (...) {
handleRunawayException(NULL);
}
}
void BitcoinCore::shutdown()
{
try
{
qDebug() << __func__ << ": Running Shutdown in thread";
threadGroup.interrupt_all();
threadGroup.join_all();
Shutdown();
qDebug() << __func__ << ": Shutdown finished";
emit shutdownResult(1);
} catch (const std::exception& e) {
handleRunawayException(&e);
} catch (...) {
handleRunawayException(NULL);
}
}
BitcoinApplication::BitcoinApplication(int &argc, char **argv):
QApplication(argc, argv),
coreThread(0),
optionsModel(0),
clientModel(0),
window(0),
pollShutdownTimer(0),
#ifdef ENABLE_WALLET
paymentServer(0),
walletModel(0),
#endif
returnValue(0)
{
setQuitOnLastWindowClosed(false);
}
BitcoinApplication::~BitcoinApplication()
{
if(coreThread)
{
qDebug() << __func__ << ": Stopping thread";
emit stopThread();
coreThread->wait();
qDebug() << __func__ << ": Stopped thread";
}
delete window;
window = 0;
#ifdef ENABLE_WALLET
delete paymentServer;
paymentServer = 0;
#endif
delete optionsModel;
optionsModel = 0;
}
#ifdef ENABLE_WALLET
void BitcoinApplication::createPaymentServer()
{
paymentServer = new PaymentServer(this);
}
#endif
void BitcoinApplication::createOptionsModel()
{
optionsModel = new OptionsModel();
}
void BitcoinApplication::createWindow(const NetworkStyle *networkStyle)
{
window = new BitcoinGUI(networkStyle, 0);
pollShutdownTimer = new QTimer(window);
connect(pollShutdownTimer, SIGNAL(timeout()), window, SLOT(detectShutdown()));
pollShutdownTimer->start(200);
}
void BitcoinApplication::createSplashScreen(const NetworkStyle *networkStyle)
{
SplashScreen *splash = new SplashScreen(0, networkStyle);
// We don't hold a direct pointer to the splash screen after creation, so use
// Qt::WA_DeleteOnClose to make sure that the window will be deleted eventually.
splash->setAttribute(Qt::WA_DeleteOnClose);
splash->show();
connect(this, SIGNAL(splashFinished(QWidget*)), splash, SLOT(slotFinish(QWidget*)));
}
void BitcoinApplication::startThread()
{
if(coreThread)
return;
coreThread = new QThread(this);
BitcoinCore *executor = new BitcoinCore();
executor->moveToThread(coreThread);
/* communication to and from thread */
connect(executor, SIGNAL(initializeResult(int)), this, SLOT(initializeResult(int)));
connect(executor, SIGNAL(shutdownResult(int)), this, SLOT(shutdownResult(int)));
connect(executor, SIGNAL(runawayException(QString)), this, SLOT(handleRunawayException(QString)));
connect(this, SIGNAL(requestedInitialize()), executor, SLOT(initialize()));
connect(this, SIGNAL(requestedShutdown()), executor, SLOT(shutdown()));
/* make sure executor object is deleted in its own thread */
connect(this, SIGNAL(stopThread()), executor, SLOT(deleteLater()));
connect(this, SIGNAL(stopThread()), coreThread, SLOT(quit()));
coreThread->start();
}
void BitcoinApplication::requestInitialize()
{
qDebug() << __func__ << ": Requesting initialize";
startThread();
emit requestedInitialize();
}
void BitcoinApplication::requestShutdown()
{
qDebug() << __func__ << ": Requesting shutdown";
startThread();
window->hide();
window->setClientModel(0);
pollShutdownTimer->stop();
#ifdef ENABLE_WALLET
window->removeAllWallets();
delete walletModel;
walletModel = 0;
#endif
delete clientModel;
clientModel = 0;
// Show a simple window indicating shutdown status
ShutdownWindow::showShutdownWindow(window);
// Request shutdown from core thread
emit requestedShutdown();
}
void BitcoinApplication::initializeResult(int retval)
{
qDebug() << __func__ << ": Initialization result: " << retval;
// Set exit result: 0 if successful, 1 if failure
returnValue = retval ? 0 : 1;
if(retval)
{
#ifdef ENABLE_WALLET
PaymentServer::LoadRootCAs();
paymentServer->setOptionsModel(optionsModel);
#endif
clientModel = new ClientModel(optionsModel);
window->setClientModel(clientModel);
#ifdef ENABLE_WALLET
if(pwalletMain)
{
walletModel = new WalletModel(pwalletMain, optionsModel);
window->addWallet(BitcoinGUI::DEFAULT_WALLET, walletModel);
window->setCurrentWallet(BitcoinGUI::DEFAULT_WALLET);
connect(walletModel, SIGNAL(coinsSent(CWallet*,SendCoinsRecipient,QByteArray)),
paymentServer, SLOT(fetchPaymentACK(CWallet*,const SendCoinsRecipient&,QByteArray)));
}
#endif
// If -min option passed, start window minimized.
if(GetBoolArg("-min", false))
{
window->showMinimized();
}
else
{
window->show();
}
emit splashFinished(window);
#ifdef ENABLE_WALLET
// Now that initialization/startup is done, process any command-line
// bitcoin: URIs or payment requests:
connect(paymentServer, SIGNAL(receivedPaymentRequest(SendCoinsRecipient)),
window, SLOT(handlePaymentRequest(SendCoinsRecipient)));
connect(window, SIGNAL(receivedURI(QString)),
paymentServer, SLOT(handleURIOrFile(QString)));
connect(paymentServer, SIGNAL(message(QString,QString,unsigned int)),
window, SLOT(message(QString,QString,unsigned int)));
QTimer::singleShot(100, paymentServer, SLOT(uiReady()));
#endif
} else {
quit(); // Exit main loop
}
}
void BitcoinApplication::shutdownResult(int retval)
{
qDebug() << __func__ << ": Shutdown result: " << retval;
quit(); // Exit main loop after shutdown finished
}
void BitcoinApplication::handleRunawayException(const QString &message)
{
QMessageBox::critical(0, "Runaway exception", BitcoinGUI::tr("A fatal error occurred. Bitcoin can no longer continue safely and will quit.") + QString("\n\n") + message);
::exit(1);
}
WId BitcoinApplication::getMainWinId() const
{
if (!window)
return 0;
return window->winId();
}
#ifndef BITCOIN_QT_TEST
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int main(int argc, char *argv[])
{
SetupEnvironment();
/// 1. Parse command-line options. These take precedence over anything else.
// Command-line options take precedence:
ParseParameters(argc, argv);
// Do not refer to data directory yet, this can be overridden by Intro::pickDataDirectory
/// 2. Basic Qt initialization (not dependent on parameters or configuration)
#if QT_VERSION < 0x050000
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// Internal string conversion is all UTF-8
QTextCodec::setCodecForTr(QTextCodec::codecForName("UTF-8"));
QTextCodec::setCodecForCStrings(QTextCodec::codecForTr());
#endif
Q_INIT_RESOURCE(bitcoin);
Q_INIT_RESOURCE(bitcoin_locale);
GUIUtil::SubstituteFonts();
BitcoinApplication app(argc, argv);
#if QT_VERSION > 0x050100
// Generate high-dpi pixmaps
QApplication::setAttribute(Qt::AA_UseHighDpiPixmaps);
#endif
#ifdef Q_OS_MAC
QApplication::setAttribute(Qt::AA_DontShowIconsInMenus);
#endif
// Register meta types used for QMetaObject::invokeMethod
qRegisterMetaType< bool* >();
// Need to pass name here as CAmount is a typedef (see http://qt-project.org/doc/qt-5/qmetatype.html#qRegisterMetaType)
// IMPORTANT if it is no longer a typedef use the normal variant above
qRegisterMetaType< CAmount >("CAmount");
/// 3. Application identification
// must be set before OptionsModel is initialized or translations are loaded,
// as it is used to locate QSettings
QApplication::setOrganizationName(QAPP_ORG_NAME);
QApplication::setOrganizationDomain(QAPP_ORG_DOMAIN);
QApplication::setApplicationName(QAPP_APP_NAME_DEFAULT);
/// 4. Initialization of translations, so that intro dialog is in user's language
// Now that QSettings are accessible, initialize translations
QTranslator qtTranslatorBase, qtTranslator, translatorBase, translator;
initTranslations(qtTranslatorBase, qtTranslator, translatorBase, translator);
uiInterface.Translate.connect(Translate);
// Show help message immediately after parsing command-line options (for "-lang") and setting locale,
// but before showing splash screen.
if (mapArgs.count("-?") || mapArgs.count("-help") || mapArgs.count("-version"))
{
HelpMessageDialog help(NULL, mapArgs.count("-version"));
help.showOrPrint();
return 1;
}
/// 5. Now that settings and translations are available, ask user for data directory
// User language is set up: pick a data directory
Intro::pickDataDirectory();
/// 6. Determine availability of data directory and parse bitcoin.conf
/// - Do not call GetDataDir(true) before this step finishes
if (!boost::filesystem::is_directory(GetDataDir(false)))
{
QMessageBox::critical(0, QObject::tr("Bitcoin Core"),
QObject::tr("Error: Specified data directory \"%1\" does not exist.").arg(QString::fromStdString(mapArgs["-datadir"])));
return 1;
}
try {
ReadConfigFile(mapArgs, mapMultiArgs);
} catch (const std::exception& e) {
QMessageBox::critical(0, QObject::tr("Bitcoin Core"),
QObject::tr("Error: Cannot parse configuration file: %1. Only use key=value syntax.").arg(e.what()));
return false;
}
/// 7. Determine network (and switch to network specific options)
// - Do not call Params() before this step
// - Do this after parsing the configuration file, as the network can be switched there
// - QSettings() will use the new application name after this, resulting in network-specific settings
// - Needs to be done before createOptionsModel
// Check for -testnet or -regtest parameter (Params() calls are only valid after this clause)
if (!SelectParamsFromCommandLine()) {
QMessageBox::critical(0, QObject::tr("Bitcoin Core"), QObject::tr("Error: Invalid combination of -regtest and -testnet."));
return 1;
}
#ifdef ENABLE_WALLET
// Parse URIs on command line -- this can affect Params()
PaymentServer::ipcParseCommandLine(argc, argv);
#endif
QScopedPointer<const NetworkStyle> networkStyle(NetworkStyle::instantiate(QString::fromStdString(Params().NetworkIDString())));
assert(!networkStyle.isNull());
// Allow for separate UI settings for testnets
QApplication::setApplicationName(networkStyle->getAppName());
// Re-initialize translations after changing application name (language in network-specific settings can be different)
initTranslations(qtTranslatorBase, qtTranslator, translatorBase, translator);
#ifdef ENABLE_WALLET
/// 8. URI IPC sending
// - Do this early as we don't want to bother initializing if we are just calling IPC
// - Do this *after* setting up the data directory, as the data directory hash is used in the name
// of the server.
// - Do this after creating app and setting up translations, so errors are
// translated properly.
if (PaymentServer::ipcSendCommandLine())
exit(0);
// Start up the payment server early, too, so impatient users that click on
// bitcoin: links repeatedly have their payment requests routed to this process:
app.createPaymentServer();
#endif
/// 9. Main GUI initialization
// Install global event filter that makes sure that long tooltips can be word-wrapped
app.installEventFilter(new GUIUtil::ToolTipToRichTextFilter(TOOLTIP_WRAP_THRESHOLD, &app));
#if QT_VERSION < 0x050000
// Install qDebug() message handler to route to debug.log
qInstallMsgHandler(DebugMessageHandler);
#else
#if defined(Q_OS_WIN)
// Install global event filter for processing Windows session related Windows messages (WM_QUERYENDSESSION and WM_ENDSESSION)
qApp->installNativeEventFilter(new WinShutdownMonitor());
#endif
// Install qDebug() message handler to route to debug.log
qInstallMessageHandler(DebugMessageHandler);
#endif
// Load GUI settings from QSettings
app.createOptionsModel();
// Subscribe to global signals from core
uiInterface.InitMessage.connect(InitMessage);
if (GetBoolArg("-splash", true) && !GetBoolArg("-min", false))
app.createSplashScreen(networkStyle.data());
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try
{
app.createWindow(networkStyle.data());
app.requestInitialize();
#if defined(Q_OS_WIN) && QT_VERSION >= 0x050000
WinShutdownMonitor::registerShutdownBlockReason(QObject::tr("Bitcoin Core didn't yet exit safely..."), (HWND)app.getMainWinId());
#endif
app.exec();
app.requestShutdown();
app.exec();
} catch (const std::exception& e) {
PrintExceptionContinue(&e, "Runaway exception");
app.handleRunawayException(QString::fromStdString(strMiscWarning));
} catch (...) {
PrintExceptionContinue(NULL, "Runaway exception");
app.handleRunawayException(QString::fromStdString(strMiscWarning));
}
return app.getReturnValue();
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}