/** Перезагружает словарь по пути changedDictionaryPath */
void DictionaryManager::reloadDictionary()
{
QString &path = changedDictionaryPath;
qDebug() << QString("reloading dictionary from %1.").arg(path);
try {
QString key = filenameToKey.value(path);
QSharedMemory *shared = data.value(key);
if (!shared)
throw Exception(QString("Ошибка перезагрузки словаря %1. Словарь не был загружен ранее.").arg(path));
QFile fileDictionary(path);
QByteArray buffer;
if (!fileDictionary.open(QFile::ReadOnly))
throw Exception(QString("Ошибка чтения файла словаря. Key: %1; file: %2").arg(key).arg(path));
buffer = fileDictionary.readAll();
shared->lock();
char *to = (char *)shared->data();
const char *from = buffer.data();
memcpy(to, from, qMin(shared->size(), buffer.size()));
shared->unlock();
qDebug() << "Словарь обновлён";
} catch (Exception &ex) {
qDebug() << tr("Ошибка во время загрузки словаря %1.\nОписание: %2").arg(path).arg(ex.text());
}
}
/**
* @brief Executed when new instance connect command is sent to LocalServer
*/
void Rshare::slotConnectionEstablished()
{
QLocalSocket *socket = localServer->nextPendingConnection();
socket->close();
delete socket;
QSharedMemory newArgs;
newArgs.setKey(QString(TARGET) + "_newArgs");
if (!newArgs.attach())
{
std::cerr << "(EE) Rshare::slotConnectionEstablished() Unable to attach to shared memory segment."
<< newArgs.errorString().toStdString() << std::endl;
return;
}
QBuffer buffer;
QDataStream in(&buffer);
QStringList args;
newArgs.lock();
buffer.setData((char*)newArgs.constData(), newArgs.size());
buffer.open(QBuffer::ReadOnly);
in >> args;
newArgs.unlock();
newArgs.detach();
emit newArgsReceived(args);
while (!args.empty())
{
std::cerr << "Rshare::slotConnectionEstablished args:" << QString(args.takeFirst()).toStdString() << std::endl;
}
}
int readonly_segfault()
{
QSharedMemory sharedMemory;
sharedMemory.setKey("readonly_segfault");
sharedMemory.create(1024, QSharedMemory::ReadOnly);
sharedMemory.lock();
set(sharedMemory, 0, 'a');
sharedMemory.unlock();
return EXIT_SUCCESS;
}
bool isRunning(){
if(!appShare.create(16)){
if(!appShare.attach() || !appShare.lock())
return false;
void* data = appShare.data();
snprintf((char*)data, 16, "Open");
appShare.unlock();
return true;
}
return false;
}
void MainWindow::timerTick(){
// Check if another instance requested this in the foreground
if(appShare.lock()){
void* data = appShare.data();
if((QString)QByteArray((const char*)data) == "Open")
show();
// Remove the request
*(char*)data = 0;
appShare.unlock();
}
scanKeyboards();
}
void conflict_core::updateAida(){
QBuffer buffer;
QDataStream in(&buffer);
QString text;
if(conflict.aidaOpen){
aida.lock();
buffer.setData((char*)aida.constData(), aida.size());
buffer.open(QBuffer::ReadOnly);
in >> text;
ui->debugOutputOut->append(text);
aida.unlock();
}
// Check if the application is running. Optionally write something to its shared memory.
static bool isRunning(const char* command){
// Try to create shared memory (if successful, application was not already running)
if(!appShare.create(SHMEM_SIZE) || !appShare.lock()){
// Lock existing shared memory
if(!appShare.attach() || !appShare.lock())
return true;
bool running = false;
if(appShare.size() == SHMEM_SIZE_V015){
// Old shmem - no PID listed so assume the process is running, and print the command directly to the buffer
if(command){
void* data = appShare.data();
snprintf((char*)data, SHMEM_SIZE_V015, "%s", command);
}
running = true;
} else {
// New shmem. Scan the contents of the shared memory for a PID
QStringList lines = QString((const char*)appShare.constData()).split("\n");
if(pidActive(lines)){
running = true;
// Append the command
if(command){
lines.append(QString("Option ") + command);
QByteArray newMem = lines.join("\n").left(SHMEM_SIZE).toLatin1();
// Copy the NUL byte as well as the string
memcpy(appShare.data(), newMem.constData(), newMem.length() + 1);
}
}
}
if(running){
appShare.unlock();
return true;
}
}
// Not already running. Initialize the shared memory with our PID
snprintf((char*)appShare.data(), appShare.size(), "PID %ld", (long)getpid());
appShare.unlock();
return false;
}
int consumer()
{
QSharedMemory consumer;
consumer.setKey("market");
//qDebug("consumer starting");
int tries = 0;
while (!consumer.attach()) {
if (tries == 5000) {
qWarning() << "consumer exiting, waiting too long";
return EXIT_FAILURE;
}
++tries;
QTest::qSleep(1);
}
//qDebug("consumer attached");
int i = 0;
while (true) {
if (!consumer.lock()) {
qWarning() << "Could not lock" << consumer.key();
return EXIT_FAILURE;
}
if (get(consumer, 0) == 'Q') {
set(consumer, 0, ++i);
//qDebug() << "consumer sets" << i;
}
if (get(consumer, 0) == 'E') {
if (!consumer.unlock()) {
qWarning() << "Could not unlock" << consumer.key();
return EXIT_FAILURE;
}
break;
}
if (!consumer.unlock()) {
qWarning() << "Could not unlock" << consumer.key();
return EXIT_FAILURE;
}
QTest::qSleep(10);
}
//qDebug("consumer detaching");
if (!consumer.detach()) {
qWarning() << "Could not detach" << consumer.key();
return EXIT_FAILURE;
}
return EXIT_SUCCESS;
}
bool Application::isRunning()
{
bool running = BaseApplication::isRunning();
QSharedMemory *sharedMem = new QSharedMemory(id() + QLatin1String("-shared-memory-key"), this);
if (!running) {
// First instance creates shared memory and store PID
if (sharedMem->create(sizeof(DWORD)) && sharedMem->lock()) {
*(static_cast<DWORD*>(sharedMem->data())) = ::GetCurrentProcessId();
sharedMem->unlock();
}
}
else {
// Later instances attach to shared memory and retrieve PID
if (sharedMem->attach() && sharedMem->lock()) {
::AllowSetForegroundWindow(*(static_cast<DWORD*>(sharedMem->data())));
sharedMem->unlock();
}
}
if (!sharedMem->isAttached())
qWarning() << "Failed to initialize shared memory: " << sharedMem->errorString();
return running;
}
bool TasDataShare::storeSharedData(const QString& identifier, const TasSharedData& data, QString& errMsg)
{
QSharedMemory* storage = new QSharedMemory(identifier);
QByteArray array = data.asArray();
int size = array.size();
if(!storage->create(size)){
delete storage;
return false;
}
storage->lock();
char *to = (char*)storage->data();
const char *from = array.data();
memcpy(to, from, qMin(storage->size(), size));
storage->unlock();
mStoredDataBlocks.insert(identifier, storage);
errMsg = " key:" + storage->key();
return true;
}
void setBool(bool value, QString name) {
QSharedMemory* sharedMemory = boolMemoryMap.value(name);
if(sharedMemory->isAttached()) {
sharedMemory->detach();
}
int size = sizeof(bool);
if (!sharedMemory->create(size)) {
sharedMemory->attach(QSharedMemory::ReadWrite);
}
sharedMemory->lock();
bool *array = (bool*)sharedMemory->data();
memcpy(array, &value, qMin(sharedMemory->size(), size));
sharedMemory->unlock();
}
void setString(const char value[], QString name) {
QSharedMemory* sharedMemory = stringMemoryMap.value(name);
if(sharedMemory->isAttached())
sharedMemory->detach();
int size = strlen(value) + sizeof(char);
if (!sharedMemory->create(size)) {
if (!sharedMemory->isAttached()) {
sharedMemory->attach(QSharedMemory::ReadWrite);
}
}
sharedMemory->lock();
char *to = (char*)sharedMemory->data();
memcpy(to, value, qMin(sharedMemory->size(), size));
sharedMemory->unlock();
}
// Example how to get json using shared memory. Not tested :-D
std::pair<bool, QString> json() {
QSharedMemory sharedMemory;
if (!sharedMemory.attach()) {
return std::make_pair<bool, QString>(false, QString());
}
QBuffer buffer;
QDataStream in(&buffer);
QString json;
sharedMemory.lock();
buffer.setData((char*)sharedMemory.constData(), sharedMemory.size());
buffer.open(QBuffer::ReadOnly);
in >> json;
sharedMemory.unlock();
sharedMemory.detach();
return std::make_pair<bool, QString>(false, QString());
}
int getInt(QString name) {
QSharedMemory* sharedMemory = intMemoryMap[name];
sharedMemory->attach(QSharedMemory::ReadOnly);
int returnValue = 0;
if(!sharedMemory->isAttached()) {
return returnValue;
}
sharedMemory->lock();
int* value = (int*)sharedMemory->data();
memcpy(&returnValue, value, sizeof(value));
sharedMemory->unlock();
sharedMemory->detach();
return returnValue;
}
void setInt(int value, QString name) {
QSharedMemory* sharedMemory = intMemoryMap.value(name);
if(sharedMemory->isAttached())
sharedMemory->detach();
int size = sizeof(int);
if (!sharedMemory->create(size)) {
if (!sharedMemory->isAttached()) {
sharedMemory->attach(QSharedMemory::ReadWrite);
}
}
sharedMemory->lock();
int* to = (int*)sharedMemory->data();
memcpy(to, &value, qMin(sharedMemory->size(), size));
sharedMemory->unlock();
}
char* getString(QString name) {
QSharedMemory* sharedMemory = stringMemoryMap[name];
sharedMemory->attach(QSharedMemory::ReadOnly);
char* strValue = (char*)"";
if(!sharedMemory->isAttached()) {
return strValue;
}
sharedMemory->lock();
char* shared = (char*)sharedMemory->data();
strValue = new char[strlen(shared) + sizeof(char)];
strcpy(strValue, shared);
sharedMemory->unlock();
sharedMemory->detach();
return strValue;
}
/*!
Загружает словарь из файла filename в разделяемую память с ключём key.
*/
QSharedMemory *DictionaryManager::loadDictionary(const QString &filename, const QString &key)
{
QFile fileDictionary(filename);
QByteArray buffer;
QSharedMemory *shared;
if (!fileDictionary.open(QFile::ReadOnly))
throw Exception(QString("Ошибка чтения файла словаря. Key: %1; file: %2").arg(key).arg(filename));
buffer = fileDictionary.readAll();
shared = new QSharedMemory(key);
if (!shared->create(buffer.size() * 1.2)) // Выделяем память с 20% запасом
throw Exception(QString("Ошибка выделения памяти под словарь %1. Описание: %2. "
"Словарь будет пропущен.")
.arg(key)
.arg(shared->errorString()));
shared->lock();
char *to = (char *)shared->data();
const char *from = buffer.data();
memcpy(to, from, qMin(shared->size(), buffer.size()));
shared->unlock();
return shared;
}
bool getBool(QString name) {
QSharedMemory* sharedMemory = boolMemoryMap[name];
sharedMemory->attach(QSharedMemory::ReadOnly);
bool returnValue = false;
if(!sharedMemory->isAttached()) {
return returnValue;
}
sharedMemory->lock();
bool value = *(bool*)sharedMemory->data();
returnValue = value;
sharedMemory->unlock();
sharedMemory->detach();
return returnValue;
}
bool lock_jt9_() {return mem_jt9.lock();}
int producer()
{
QSharedMemory producer;
producer.setKey("market");
int size = 1024;
if (!producer.create(size)) {
if (producer.error() == QSharedMemory::AlreadyExists) {
if (!producer.attach()) {
qWarning() << "Could not attach to" << producer.key();
return EXIT_FAILURE;
}
} else {
qWarning() << "Could not create" << producer.key();
return EXIT_FAILURE;
}
}
// tell parent we're ready
//qDebug("producer created and attached");
puts("");
fflush(stdout);
if (!producer.lock()) {
qWarning() << "Could not lock" << producer.key();
return EXIT_FAILURE;
}
set(producer, 0, 'Q');
if (!producer.unlock()) {
qWarning() << "Could not lock" << producer.key();
return EXIT_FAILURE;
}
int i = 0;
while (i < 5) {
if (!producer.lock()) {
qWarning() << "Could not lock" << producer.key();
return EXIT_FAILURE;
}
if (get(producer, 0) == 'Q') {
if (!producer.unlock()) {
qWarning() << "Could not unlock" << producer.key();
return EXIT_FAILURE;
}
QTest::qSleep(1);
continue;
}
//qDebug() << "producer:" << i);
++i;
set(producer, 0, 'Q');
if (!producer.unlock()) {
qWarning() << "Could not unlock" << producer.key();
return EXIT_FAILURE;
}
QTest::qSleep(1);
}
if (!producer.lock()) {
qWarning() << "Could not lock" << producer.key();
return EXIT_FAILURE;
}
set(producer, 0, 'E');
if (!producer.unlock()) {
qWarning() << "Could not unlock" << producer.key();
return EXIT_FAILURE;
}
//qDebug("producer done");
// Sleep for a bit to let all consumers exit
getchar();
return EXIT_SUCCESS;
}
/** Constructor. Parses the command-line arguments, resets Rshare's
* configuration (if requested), and sets up the GUI style and language
* translation. */
Rshare::Rshare(QStringList args, int &argc, char **argv, const QString &dir)
: QApplication(argc, argv)
{
mStartupTime = QDateTime::currentDateTime();
localServer = NULL;
//Initialize connection to LocalServer to know if other process runs.
{
QString serverName = QString(TARGET);
if (!args.isEmpty()) {
// load into shared memory
QBuffer buffer;
buffer.open(QBuffer::ReadWrite);
QDataStream out(&buffer);
out << args;
int size = buffer.size();
QSharedMemory newArgs;
newArgs.setKey(serverName + "_newArgs");
if (newArgs.isAttached()) newArgs.detach();
if (!newArgs.create(size)) {
std::cerr << "(EE) Rshare::Rshare Unable to create shared memory segment of size:"
<< size << " error:" << newArgs.errorString().toStdString() << "." << std::endl;
#ifdef Q_OS_UNIX
std::cerr << "Look with `ipcs -m` for nattch==0 segment. And remove it with `ipcrm -m 'shmid'`." << std::endl;
//No need for windows, as it removes shared segment directly even when crash.
#endif
newArgs.detach();
::exit(EXIT_FAILURE);
}
newArgs.lock();
char *to = (char*)newArgs.data();
const char *from = buffer.data().data();
memcpy(to, from, qMin(newArgs.size(), size));
newArgs.unlock();
// Connect to the Local Server of the main process to notify it
// that a new process had been started
QLocalSocket localSocket;
localSocket.connectToServer(QString(TARGET));
std::cerr << "Rshare::Rshare waitForConnected to other instance." << std::endl;
if( localSocket.waitForConnected(100) )
{
std::cerr << "Rshare::Rshare Connection etablished. Waiting for disconnection." << std::endl;
localSocket.waitForDisconnected(1000);
newArgs.detach();
std::cerr << "Rshare::Rshare Arguments was sended." << std::endl
<< " To disable it, in Options - General - Misc," << std::endl
<< " uncheck \"Use Local Server to get new Arguments\"." << std::endl;
::exit(EXIT_SUCCESS); // Terminate the program using STDLib's exit function
}
newArgs.detach();
}
// No main process exists
// Or started without arguments
// So we start a Local Server to listen for connections from new process
localServer= new QLocalServer();
QObject::connect(localServer, SIGNAL(newConnection()), this, SLOT(slotConnectionEstablished()));
updateLocalServer();
}
#if QT_VERSION >= QT_VERSION_CHECK (5, 0, 0)
qInstallMessageHandler(qt_msg_handler);
#else
qInstallMsgHandler(qt_msg_handler);
#endif
#ifndef __APPLE__
/* set default window icon */
setWindowIcon(QIcon(":/icons/logo_128.png"));
#endif
mBlink = true;
QTimer *timer = new QTimer(this);
timer->setInterval(500);
connect(timer, SIGNAL(timeout()), this, SLOT(blinkTimer()));
timer->start();
timer = new QTimer(this);
timer->setInterval(60000);
connect(timer, SIGNAL(timeout()), this, SIGNAL(minuteTick()));
timer->start();
/* Read in all our command-line arguments. */
parseArguments(args);
/* Check if we're supposed to reset our config before proceeding. */
if (_args.contains(ARG_RESET)) {
Settings->reset();
}
/* Handle the -loglevel and -logfile options. */
if (_args.contains(ARG_LOGFILE))
_log.open(_args.value(ARG_LOGFILE));
if (_args.contains(ARG_LOGLEVEL)) {
_log.setLogLevel(Log::stringToLogLevel(
_args.value(ARG_LOGLEVEL)));
if (!_args.contains(ARG_LOGFILE))
_log.open(stdout);
}
if (!_args.contains(ARG_LOGLEVEL) &&
!_args.contains(ARG_LOGFILE))
_log.setLogLevel(Log::Off);
/* config directory */
useConfigDir = false;
if (dir != "")
{
setConfigDirectory(dir);
}
/** Initialize support for language translations. */
//LanguageSupport::initialize();
resetLanguageAndStyle();
/* Switch off auto shutdown */
setQuitOnLastWindowClosed ( false );
/* Initialize GxsIdDetails */
GxsIdDetails::initialize();
}
int
main(int argc, char *argv[])
{
QGuiApplication::setAttribute(Qt::AA_EnableHighDpiScaling);
QApplication a(argc, argv);
auto startMinimized = false;
QString uri = "";
for (auto string : QCoreApplication::arguments()) {
if (string == "-m" || string == "--minimized")
startMinimized = true;
if (string == "-d" || string == "--debug")
Console();
if (string.startsWith("ring:")) {
uri = string;
}
}
#ifdef URI_PROTOCOL
QSharedMemory* shm = new QSharedMemory("RingShm");
QSystemSemaphore* sem = new QSystemSemaphore("RingSem", 0);
if (not shm->create(1024)) {
if (not uri.isEmpty()) {
shm->attach();
shm->lock();
char *to = (char*) shm->data();
QChar *data = uri.data();
while (!data->isNull())
{
memset(to, data->toLatin1(), 1);
++data;
++to;
}
memset(to, 0, 1); //null terminator
shm->unlock();
}
sem->release();
delete shm;
exit(EXIT_SUCCESS);
}
//Client listening to shm event
memset((char*)shm->data(), 0, shm->size());
ShmClient* shmClient = new ShmClient(shm, sem);
#endif
QTranslator qtTranslator;
qtTranslator.load("qt_" + QLocale::system().name(),
QLibraryInfo::location(QLibraryInfo::TranslationsPath));
a.installTranslator(&qtTranslator);
QTranslator lrcTranslator;
lrcTranslator.load("share/libringclient/translations/lrc_" + QLocale::system().name());
a.installTranslator(&lrcTranslator);
QTranslator mainTranslator;
mainTranslator.load("share/ring/translations/ring_client_windows_" + QLocale::system().name());
a.installTranslator(&mainTranslator);
QFont font;
font.setFamily("Segoe UI");
a.setFont(font);
QFile file(":/stylesheet.css");
if(file.open(QIODevice::ReadOnly | QIODevice::Text))
{
a.setStyleSheet(file.readAll());
file.close();
}
QCoreApplication::setOrganizationName("Savoir-faire Linux");
QCoreApplication::setOrganizationDomain("ring.cx");
QCoreApplication::setApplicationName("Ring");
if (not uri.isEmpty()) {
startMinimized = false;
MainWindow::instance().onRingEvent(uri);
}
if (not startMinimized)
MainWindow::instance().show();
else {
MainWindow::instance().showMinimized();
MainWindow::instance().hide();
}
MainWindow::instance().createThumbBar();
#ifdef URI_PROTOCOL
QObject::connect(shmClient, SIGNAL(RingEvent(QString)), &MainWindow::instance(), SLOT(onRingEvent(QString)));
QObject::connect(&a, &QApplication::aboutToQuit, [&a, &shmClient, &shm, &sem]() {
shmClient->terminate();
delete shmClient;
delete shm;
delete sem;
});
#endif
return a.exec();
}
