int main(int argc, char *argv[]) { QApplication app(argc, argv); QLocalSocket localSocket; localSocket.connectToServer("bloggerQml", QIODevice::ReadOnly); if(localSocket.waitForConnected(5000)) { // there is already an application running qDebug() << "Application is already running."; QMessageBox::information(0, QObject::tr("Erro"), QObject::tr("A aplicação já está a ser executada."), QMessageBox::Ok); return 0; } QLocalServer localServer; localServer.listen("bloggerQml"); BloggerLoader bloggerloader; bloggerloader.loadBlogsFromFile(); BloggerProxyModel model; model.setSourceModel(bloggerloader.model()); Helper helper; QtQuick2ApplicationViewer viewer; viewer.rootContext()->setContextProperty("blogsModel", &model); viewer.rootContext()->setContextProperty("helper", &helper); viewer.rootContext()->setContextProperty("bloggerloader", &bloggerloader); viewer.setMainQmlFile(QStringLiteral("qml/blogerQML/main.qml")); viewer.showExpanded(); int res = app.exec(); bloggerloader.saveDB(); return res; }
void SessionServer::Private::onNewLocalConnection() { QLocalServer * server = dynamic_cast< QLocalServer * >( this->sender() ); assert( server || !"QLocalServer casting failed" ); while( server->hasPendingConnections() ) { QLocalSocket * socket = server->nextPendingConnection(); ServerSession * session = new ServerSession( socket, this ); this->pendingSessions.push( session ); } emit this->newConnection(); }
/*! Configure the QJsonServer to listen on a new Unix local socket \a socketname using QJsonAuthority file \a authority. If the \a authority is omitted or NULL, all connections will be automatically authorized and a unique identifier generated for each new connection. Returns true if the socket could be opened. Does \b{not} take ownership of the \a authority object. */ bool QJsonServer::listen(const QString &socketname, QJsonAuthority *authority) { QLocalServer::removeServer(socketname); QLocalServer *server = new QLocalServer(this); Q_D(QJsonServer); d->m_localServers.insert(server, authority); QObject::connect(server, SIGNAL(newConnection()), this, SLOT(handleLocalConnection())); if (!server->listen(socketname)) { qCritical() << Q_FUNC_INFO << "Unable to listen on socket:" << socketname; d->m_localServers.remove(server); return false; } return true; }
void MobilityConnection::connectToSimulator() { // 1. check availability QLocalSocket *socket = new QLocalSocket; QString simVersion = SimulatorConnection::instance()->simulatorVersion().toString(); socket->connectToServer(QLatin1String(SIMULATOR_MOBILITY_SERVERNAME) + simVersion, QLocalSocket::ReadWrite); if (!socket->waitForConnected(1000)) { qFatal("Could not connect to mobility server"); socket->deleteLater(); return; } mSendSocket = socket; // 2. Create the local server used for initiating the backchannel. const qint64 pid = QCoreApplication::applicationPid(); QLocalServer *server = new QLocalServer(this); if (!server->listen(qt_mobilityServerName(simVersion, pid))) qFatal("Can't create local mobility server for this application."); // 3. Send initial application connect command. ApplicationConnectCommand command; ApplicationConnectCommand::Request &request = command.request; request.applicationPid = pid; request.applicationName[0] = 0; request.version = mobilityVersion; qt_sendAndReceiveApplicationConnect(socket, command); mSimulatorVersion = command.reply.version; // We usually want to get the initial state from the simulator directly, probably // before the event loop is started up. Hence we block until the simulator has established // the back channel. if (!server->waitForNewConnection(1000)) qFatal("Simulator didn't establish mobility-backchannel on time"); mReceiveSocket = server->nextPendingConnection(); server->close(); connect(mReceiveSocket, SIGNAL(readyRead()), SLOT(onReadyRead())); }
int main(int argc, char* argv[]) { QApplication application(argc, argv); application.setApplicationName(PROJECT_NAME); application.setOrganizationName(ORGANIZATION_NAME); application.setOrganizationDomain(ORGANIZATION_DOMAIN); // Check for other instances already running QLocalSocket singleInstanceSocket; singleInstanceSocket.connectToServer(PROJECT_NAME); if (singleInstanceSocket.waitForConnected(500)) { singleInstanceSocket.close(); qCritical() << "Application is already started"; return EXIT_FAILURE; } // Initialize single instance server to prevent other instances to start QLocalServer::removeServer(PROJECT_NAME); QLocalServer singleInstanceServer; if (!singleInstanceServer.listen(PROJECT_NAME)) { qCritical() << "Unable to start single instance server"; return EXIT_FAILURE; } application.setQuitOnLastWindowClosed(false); MainWindow mainWindow; mainWindow.show(); return application.exec(); }
/*! \internal Called with an incoming connection */ void QJsonServer::handleLocalConnection() { QLocalServer *server = qobject_cast<QLocalServer *>(sender()); if (!server) return; if (QLocalSocket *socket = server->nextPendingConnection()) { socket->setReadBufferSize(64*1024); Q_D(QJsonServer); QJsonAuthority *authority = d->m_localServers.value(server); QJsonServerClient *client = new QJsonServerClient(this); client->setAuthority(authority); client->setSocket(socket); connect(client, SIGNAL(authorized(const QString&)), this, SLOT(handleClientAuthorized(const QString&))); connect(client, SIGNAL(disconnected(const QString&)), this, SLOT(clientDisconnected(const QString&))); connect(client, SIGNAL(messageReceived(const QString&, const QJsonObject&)), this, SLOT(receiveMessage(const QString&, const QJsonObject&))); connect(client, SIGNAL(authorizationFailed()), this, SLOT(handleAuthorizationFailed())); client->start(); }
void Server::start() { QString sockPath = "/tmp/qeventloop_test"; QLocalServer* server = new QLocalServer(); QFile sockFile(sockPath); if (sockFile.exists()) { sockFile.remove(); } server->listen(sockPath); QObject::connect(server, &QLocalServer::newConnection, [this, server]() { m_sock = server->nextPendingConnection(); QObject::connect(m_sock, &QLocalSocket::disconnected, m_sock, &QLocalSocket::deleteLater); QObject::connect(m_sock, &QLocalSocket::readyRead, this, &Server::onReadyRead, Qt::QueuedConnection); sendData(m_sock, 1); QEventLoop loop; QObject::connect(&m_result1, &Result::ready, &loop, &QEventLoop::quit); qDebug("start event loop to wait for 1"); loop.exec(); qDebug("end event loop to wait for 1"); }); }
int main(int argc, char *argv[]) { Local a(argc, argv); int single; if ((single = Config::getValue("/Interface/Single", 1))){ QLocalSocket socket; socket.connectToServer("BiliLocalInstance"); if (socket.waitForConnected()){ QDataStream s(&socket); s << a.arguments().mid(1); socket.waitForBytesWritten(); return 0; } } loadTranslator(); setDefaultFont(); setToolTipBase(); Interface w; Plugin::loadPlugins(); if (!w.testAttribute(Qt::WA_WState_ExplicitShowHide)){ w.show(); } w.tryLocal(a.arguments().mid(1)); QLocalServer *server = nullptr; if (single){ server = new QLocalServer(lApp); server->listen("BiliLocalInstance"); QObject::connect(server, &QLocalServer::newConnection, [&](){ QLocalSocket *r = server->nextPendingConnection(); r->waitForReadyRead(); QDataStream s(r); QStringList args; s >> args; delete r; w.tryLocal(args); }); }
int main(int argc, const char* argv[]) { disableQtBearerPoll(); // Fixes wifi ping spikes QString applicationName = "High Fidelity Interface - " + qgetenv("USERNAME"); bool instanceMightBeRunning = true; #ifdef Q_OS_WIN // Try to create a shared memory block - if it can't be created, there is an instance of // interface already running. We only do this on Windows for now because of the potential // for crashed instances to leave behind shared memory instances on unix. QSharedMemory sharedMemory { applicationName }; instanceMightBeRunning = !sharedMemory.create(1, QSharedMemory::ReadOnly); #endif if (instanceMightBeRunning) { // Try to connect and send message to existing interface instance QLocalSocket socket; socket.connectToServer(applicationName); static const int LOCAL_SERVER_TIMEOUT_MS = 500; // Try to connect - if we can't connect, interface has probably just gone down if (socket.waitForConnected(LOCAL_SERVER_TIMEOUT_MS)) { QStringList arguments; for (int i = 0; i < argc; ++i) { arguments << argv[i]; } QCommandLineParser parser; QCommandLineOption urlOption("url", "", "value"); parser.addOption(urlOption); parser.process(arguments); if (parser.isSet(urlOption)) { QUrl url = QUrl(parser.value(urlOption)); if (url.isValid() && url.scheme() == HIFI_URL_SCHEME) { qDebug() << "Writing URL to local socket"; socket.write(url.toString().toUtf8()); if (!socket.waitForBytesWritten(5000)) { qDebug() << "Error writing URL to local socket"; } } } socket.close(); qDebug() << "Interface instance appears to be running, exiting"; return EXIT_SUCCESS; } #ifdef Q_OS_WIN return EXIT_SUCCESS; #endif } // Check OpenGL version. // This is done separately from the main Application so that start-up and shut-down logic within the main Application is // not made more complicated than it already is. { OpenGLVersionChecker openGLVersionChecker(argc, const_cast<char**>(argv)); if (!openGLVersionChecker.isValidVersion()) { qCDebug(interfaceapp, "Early exit due to OpenGL version."); return 0; } } QElapsedTimer startupTime; startupTime.start(); // Debug option to demonstrate that the client's local time does not // need to be in sync with any other network node. This forces clock // skew for the individual client const char* CLOCK_SKEW = "--clockSkew"; const char* clockSkewOption = getCmdOption(argc, argv, CLOCK_SKEW); if (clockSkewOption) { int clockSkew = atoi(clockSkewOption); usecTimestampNowForceClockSkew(clockSkew); qCDebug(interfaceapp, "clockSkewOption=%s clockSkew=%d", clockSkewOption, clockSkew); } // Oculus initialization MUST PRECEDE OpenGL context creation. // The nature of the Application constructor means this has to be either here, // or in the main window ctor, before GL startup. Application::initPlugins(); int exitCode; { QSettings::setDefaultFormat(QSettings::IniFormat); Application app(argc, const_cast<char**>(argv), startupTime); // Setup local server QLocalServer server { &app }; // We failed to connect to a local server, so we remove any existing servers. server.removeServer(applicationName); server.listen(applicationName); QObject::connect(&server, &QLocalServer::newConnection, &app, &Application::handleLocalServerConnection); QTranslator translator; translator.load("i18n/interface_en"); app.installTranslator(&translator); qCDebug(interfaceapp, "Created QT Application."); exitCode = app.exec(); server.close(); } Application::shutdownPlugins(); qCDebug(interfaceapp, "Normal exit."); return exitCode; }
RunControl *WinRtDebugSupport::createDebugRunControl(WinRtRunConfiguration *runConfig, Core::Id mode, QString *errorMessage) { // FIXME: This is just working for local debugging; using namespace Debugger; DebuggerStartParameters params; params.startMode = AttachExternal; // The first Thread needs to be resumed manually. params.commandsAfterConnect = "~0 m"; QFileInfo debuggerHelper(QCoreApplication::applicationDirPath() + QLatin1String("/winrtdebughelper.exe")); if (!debuggerHelper.isExecutable()) { *errorMessage = tr("The WinRT debugging helper is missing from your Qt Creator " "installation. It was assumed to be located at %1").arg( debuggerHelper.absoluteFilePath()); return 0; } if (useQmlDebugging(runConfig)) { quint16 qmlDebugPort = 0; if (!getFreePort(qmlDebugPort, errorMessage)) return 0; runConfig->setArguments(runConfig->arguments() + QLatin1Char(' ') + QmlDebug::qmlDebugTcpArguments(QmlDebug::QmlDebuggerServices, qmlDebugPort)); params.qmlServerAddress = QHostAddress::LocalHost; params.qmlServerPort = qmlDebugPort; } WinRtRunnerHelper *runner = new WinRtRunnerHelper(runConfig, errorMessage); if (!errorMessage->isEmpty()) return 0; QLocalServer server; server.listen(QLatin1String("QtCreatorWinRtDebugPIDPipe")); runner->debug(debuggerHelper.absoluteFilePath()); if (!runner->waitForStarted()) { *errorMessage = tr("Cannot start the WinRT Runner Tool."); return 0; } if (!server.waitForNewConnection(10000)) { *errorMessage = tr("Cannot establish connection to the WinRT debugging helper."); return 0; } while (server.hasPendingConnections()) { QLocalSocket *connection = server.nextPendingConnection(); if (connection->waitForReadyRead(1000)) { const QByteArray &output = connection->readAll(); QList<QByteArray> arg = output.split(':'); if (arg.first() == "PID") { bool ok =false; params.attachPID = arg.last().toInt(&ok); if (!ok) { *errorMessage = tr("Cannot extract the PID from the WinRT debugging helper. " "(output: %1)").arg(QString::fromLocal8Bit(output)); return 0; } server.close(); Debugger::DebuggerRunControl *debugRunControl = createDebuggerRunControl(params, runConfig, errorMessage, mode); runner->setDebugRunControl(debugRunControl); new WinRtDebugSupport(debugRunControl, runner); return debugRunControl; } } } server.close(); *errorMessage = tr("Cannot create an appropriate run control for " "the current run configuration."); return 0; }
void QHelpSearchIndexWriter::run() { #if !defined(QT_NO_EXCEPTIONS) try { #endif QMutexLocker mutexLocker(&mutex); if (m_cancel) return; const bool reindex = this->m_reindex; const QString collectionFile(this->m_collectionFile); mutexLocker.unlock(); QHelpEngineCore engine(collectionFile, 0); if (!engine.setupData()) return; const QLatin1String key("CluceneIndexedNamespaces"); if (reindex) engine.setCustomValue(key, QLatin1String("")); QMap<QString, QDateTime> indexMap; const QLatin1String oldKey("CluceneSearchNamespaces"); if (!engine.customValue(oldKey, QString()).isNull()) { // old style qhc file < 4.4.2, need to convert... const QStringList indexedNamespaces = engine.customValue(oldKey).toString() .split(QLatin1String("|"), QString::SkipEmptyParts); foreach (const QString &nameSpace, indexedNamespaces) indexMap.insert(nameSpace, QDateTime()); engine.removeCustomValue(oldKey); } else { QDataStream dataStream(engine.customValue(key).toByteArray()); dataStream >> indexMap; } QString indexPath = m_indexFilesFolder; QFileInfo fInfo(indexPath); if (fInfo.exists() && !fInfo.isWritable()) { qWarning("Full Text Search, could not create index (missing permissions for '%s').", qPrintable(indexPath)); return; } emit indexingStarted(); QCLuceneIndexWriter *writer = 0; QCLuceneStandardAnalyzer analyzer; const QStringList registeredDocs = engine.registeredDocumentations(); QLocalSocket localSocket; localSocket.connectToServer(QString(QLatin1String("QtAssistant%1")) .arg(QLatin1String(QT_VERSION_STR))); QLocalServer localServer; bool otherInstancesRunning = true; if (!localSocket.waitForConnected()) { otherInstancesRunning = false; localServer.listen(QString(QLatin1String("QtAssistant%1")) .arg(QLatin1String(QT_VERSION_STR))); } // check if it's locked, and if the other instance is running if (!otherInstancesRunning && QCLuceneIndexReader::isLocked(indexPath)) QCLuceneIndexReader::unlock(indexPath); if (QCLuceneIndexReader::isLocked(indexPath)) { // poll unless indexing finished to fake progress while (QCLuceneIndexReader::isLocked(indexPath)) { mutexLocker.relock(); if (m_cancel) break; mutexLocker.unlock(); this->sleep(1); } emit indexingFinished(); return; } if (QCLuceneIndexReader::indexExists(indexPath) && !reindex) { foreach(const QString &namespaceName, registeredDocs) { mutexLocker.relock(); if (m_cancel) { emit indexingFinished(); return; } mutexLocker.unlock(); if (!indexMap.contains(namespaceName)) { // make sure we remove some partly indexed stuff removeDocuments(indexPath, namespaceName); } else { QString path = engine.documentationFileName(namespaceName); if (indexMap.value(namespaceName) < QFileInfo(path).lastModified()) { // make sure we remove some outdated indexed stuff indexMap.remove(namespaceName); removeDocuments(indexPath, namespaceName); } if (indexMap.contains(namespaceName)) { // make sure we really have content indexed for namespace QCLuceneTermQuery query(QCLuceneTerm(NamespaceField, namespaceName)); QCLuceneIndexSearcher indexSearcher(indexPath); QCLuceneHits hits = indexSearcher.search(query); if (hits.length() <= 0) indexMap.remove(namespaceName); } } }
void waitForInbound() { QMutexLocker locker(&receivedLock); while (!inbound || inbound->state() != QLocalSocket::ConnectedState) { bool res = receivedWait.wait(&receivedLock,30*1000); if (!res) { qDebug() << key << " " << QThread::currentThread() << " waiting timed out, server thread is " << server.thread() << " base thread " << basis; } } }
RunControl *WinRtDebugSupport::createDebugRunControl(WinRtRunConfiguration *runConfig, RunMode mode, QString *errorMessage) { // FIXME: This is just working for local debugging; using namespace Debugger; DebuggerStartParameters params; params.startMode = AttachExternal; params.languages |= CppLanguage; params.breakOnMain = mode == DebugRunModeWithBreakOnMain; // The first Thread needs to be resumed manually. params.commandsAfterConnect = "~0 m"; Kit *kit = runConfig->target()->kit(); params.debuggerCommand = DebuggerKitInformation::debuggerCommand(kit).toString(); if (ToolChain *tc = ToolChainKitInformation::toolChain(kit)) params.toolChainAbi = tc->targetAbi(); QFileInfo debuggerHelper(QCoreApplication::applicationDirPath() + QLatin1String("/winrtdebughelper.exe")); if (!debuggerHelper.isExecutable()) { *errorMessage = tr("The WinRT debugging helper is missing from your Qt Creator " "installation. It was assumed to be located at %1").arg( debuggerHelper.absoluteFilePath()); return 0; } WinRtRunnerHelper *runner = new WinRtRunnerHelper(runConfig, errorMessage); if (!errorMessage->isEmpty()) return 0; QLocalServer server; server.listen(QLatin1String("QtCreatorWinRtDebugPIDPipe")); runner->debug(debuggerHelper.absoluteFilePath()); if (!runner->waitForStarted()) { *errorMessage = tr("Cannot start the WinRT Runner Tool."); return 0; } if (!server.waitForNewConnection(10000)) { *errorMessage = tr("Cannot establish connection to the WinRT debugging helper."); return 0; } while (server.hasPendingConnections()) { QLocalSocket *connection = server.nextPendingConnection(); if (connection->waitForReadyRead(1000)) { const QByteArray &output = connection->readAll(); QList<QByteArray> arg = output.split(':'); if (arg.first() == "PID") { bool ok =false; params.attachPID = arg.last().toInt(&ok); if (!ok) { *errorMessage = tr("Cannot extract the PID from the WinRT debugging helper. " "(output: %1)").arg(QString::fromLocal8Bit(output)); return 0; } server.close(); params.runConfiguration = runConfig; Debugger::DebuggerRunControl *debugRunControl = createDebuggerRunControl(params, errorMessage); runner->setRunControl(debugRunControl); new WinRtDebugSupport(debugRunControl, runner); return debugRunControl; } } } server.close(); *errorMessage = tr("Cannot create an appropriate run control for " "the current run configuration."); return 0; }