mirror of
https://github.com/Nheko-Reborn/nheko.git
synced 2024-10-30 09:30:47 +03:00
Switch profile code to a more flexible method
This introduces a new version of SingleApplication as well.
This commit is contained in:
LorenDB
Loren Burkholder
parent
100b5e0371
commit
53f45bdb1c
21 changed files with 654 additions and 373 deletions
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@ -449,7 +449,7 @@ pkg_check_modules(GSTREAMER IMPORTED_TARGET gstreamer-sdp-1.0>=1.14 gstreamer-we
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# single instance functionality
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set(QAPPLICATION_CLASS QApplication CACHE STRING "Inheritance class for SingleApplication")
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add_subdirectory(third_party/SingleApplication-3.1.3.1/)
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add_subdirectory(third_party/SingleApplication-3.2.0-dc8042b/)
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feature_summary(WHAT ALL INCLUDE_QUIET_PACKAGES FATAL_ON_MISSING_REQUIRED_PACKAGES)
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@ -42,7 +42,7 @@ Specifically there is support for:
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- Basic communities support.
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- Room switcher (ctrl-K).
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- Light, Dark & System themes.
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- Creating separate profiles (command line only, use `--profile=name`).
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- Creating separate profiles (command line only, use `-p name`).
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## Installation
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@ -21,6 +21,7 @@
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#include <QByteArray>
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#include <QCoreApplication>
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#include <QCryptographicHash>
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#include <QFile>
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#include <QHash>
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#include <QMap>
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@ -41,6 +42,7 @@
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#include "Logging.h"
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#include "MatrixClient.h"
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#include "Olm.h"
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#include "UserSettingsPage.h"
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#include "Utils.h"
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//! Should be changed when a breaking change occurs in the cache format.
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@ -165,17 +167,15 @@ Cache::Cache(const QString &userId, QObject *parent)
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void
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Cache::setup()
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{
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UserSettings settings;
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nhlog::db()->debug("setting up cache");
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auto statePath = QString("%1/%2")
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.arg(QStandardPaths::writableLocation(QStandardPaths::CacheLocation))
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.arg(QString::fromUtf8(localUserId_.toUtf8().toHex()));
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cacheDirectory_ = QString("%1/%2")
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cacheDirectory_ = QString("%1/%2%3")
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.arg(QStandardPaths::writableLocation(QStandardPaths::CacheLocation))
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.arg(QString::fromUtf8(localUserId_.toUtf8().toHex()));
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.arg(QString::fromUtf8(localUserId_.toUtf8().toHex())).arg(QString::fromUtf8(settings.profile().toUtf8().toHex()));
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bool isInitial = !QFile::exists(statePath);
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bool isInitial = !QFile::exists(cacheDirectory_);
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env_ = lmdb::env::create();
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env_.set_mapsize(DB_SIZE);
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@ -184,9 +184,9 @@ Cache::setup()
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if (isInitial) {
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nhlog::db()->info("initializing LMDB");
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if (!QDir().mkpath(statePath)) {
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if (!QDir().mkpath(cacheDirectory_)) {
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throw std::runtime_error(
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("Unable to create state directory:" + statePath).toStdString().c_str());
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("Unable to create state directory:" + cacheDirectory_).toStdString().c_str());
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}
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}
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@ -194,7 +194,7 @@ Cache::setup()
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// NOTE(Nico): We may want to use (MDB_MAPASYNC | MDB_WRITEMAP) in the future, but
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// it can really mess up our database, so we shouldn't. For now, hopefully
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// NOMETASYNC is fast enough.
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env_.open(statePath.toStdString().c_str(), MDB_NOMETASYNC | MDB_NOSYNC);
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env_.open(cacheDirectory_.toStdString().c_str(), MDB_NOMETASYNC | MDB_NOSYNC);
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} catch (const lmdb::error &e) {
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if (e.code() != MDB_VERSION_MISMATCH && e.code() != MDB_INVALID) {
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throw std::runtime_error("LMDB initialization failed" +
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@ -203,15 +203,14 @@ Cache::setup()
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nhlog::db()->warn("resetting cache due to LMDB version mismatch: {}", e.what());
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QDir stateDir(statePath);
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QDir stateDir(cacheDirectory_);
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for (const auto &file : stateDir.entryList(QDir::NoDotAndDotDot)) {
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if (!stateDir.remove(file))
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throw std::runtime_error(
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("Unable to delete file " + file).toStdString().c_str());
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}
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env_.open(statePath.toStdString().c_str());
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env_.open(cacheDirectory_.toStdString().c_str());
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}
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auto txn = lmdb::txn::begin(env_);
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@ -577,10 +576,14 @@ Cache::restoreOlmAccount()
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void
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Cache::storeSecret(const std::string &name, const std::string &secret)
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{
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UserSettings settings;
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QKeychain::WritePasswordJob job(QCoreApplication::applicationName());
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job.setAutoDelete(false);
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job.setInsecureFallback(true);
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job.setKey(QString::fromStdString(name));
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job.setKey(
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"matrix." +
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QString(QCryptographicHash::hash(settings.profile().toUtf8(), QCryptographicHash::Sha256)) +
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"." + name.c_str());
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job.setTextData(QString::fromStdString(secret));
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QEventLoop loop;
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job.connect(&job, &QKeychain::Job::finished, &loop, &QEventLoop::quit);
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@ -598,10 +601,14 @@ Cache::storeSecret(const std::string &name, const std::string &secret)
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void
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Cache::deleteSecret(const std::string &name)
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{
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UserSettings settings;
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QKeychain::DeletePasswordJob job(QCoreApplication::applicationName());
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job.setAutoDelete(false);
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job.setInsecureFallback(true);
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job.setKey(QString::fromStdString(name));
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job.setKey(
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"matrix." +
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QString(QCryptographicHash::hash(settings.profile().toUtf8(), QCryptographicHash::Sha256)) +
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"." + name.c_str());
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QEventLoop loop;
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job.connect(&job, &QKeychain::Job::finished, &loop, &QEventLoop::quit);
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job.start();
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@ -613,10 +620,14 @@ Cache::deleteSecret(const std::string &name)
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std::optional<std::string>
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Cache::secret(const std::string &name)
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{
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UserSettings settings;
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QKeychain::ReadPasswordJob job(QCoreApplication::applicationName());
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job.setAutoDelete(false);
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job.setInsecureFallback(true);
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job.setKey(QString::fromStdString(name));
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job.setKey(
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"matrix." +
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QString(QCryptographicHash::hash(settings.profile().toUtf8(), QCryptographicHash::Sha256)) +
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"." + name.c_str());
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QEventLoop loop;
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job.connect(&job, &QKeychain::Job::finished, &loop, &QEventLoop::quit);
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job.start();
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@ -55,9 +55,9 @@
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MainWindow *MainWindow::instance_ = nullptr;
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MainWindow::MainWindow(const QString profile, QWidget *parent)
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: QMainWindow(parent)
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, profile_{profile}
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MainWindow::MainWindow(QWidget *parent)
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: QMainWindow(parent),
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userSettings_{QSharedPointer<UserSettings>{new UserSettings}}
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{
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setWindowTitle(0);
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setObjectName("MainWindow");
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@ -70,8 +70,7 @@ MainWindow::MainWindow(const QString profile, QWidget *parent)
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font.setStyleStrategy(QFont::PreferAntialias);
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setFont(font);
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userSettings_ = QSharedPointer<UserSettings>(new UserSettings);
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trayIcon_ = new TrayIcon(":/logos/nheko.svg", this);
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trayIcon_ = new TrayIcon(":/logos/nheko.svg", this);
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welcome_page_ = new WelcomePage(this);
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login_page_ = new LoginPage(this);
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@ -150,15 +149,13 @@ MainWindow::MainWindow(const QString profile, QWidget *parent)
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chat_page_->showQuickSwitcher();
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});
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QSettings settings;
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trayIcon_->setVisible(userSettings_->tray());
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if (hasActiveUser()) {
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QString token = settings.value("auth/access_token").toString();
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QString home_server = settings.value("auth/home_server").toString();
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QString user_id = settings.value("auth/user_id").toString();
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QString device_id = settings.value("auth/device_id").toString();
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QString token = userSettings_->accessToken();
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QString home_server = userSettings_->homeserver();
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QString user_id = userSettings_->userId();
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QString device_id = userSettings_->deviceId();
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http::client()->set_access_token(token.toStdString());
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http::client()->set_server(home_server.toStdString());
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@ -184,8 +181,9 @@ void
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MainWindow::setWindowTitle(int notificationCount)
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{
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QString name = "nheko";
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if (!profile_.isEmpty())
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name += " | " + profile_;
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if (!userSettings_.data()->profile().isEmpty())
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name += " | " + userSettings_.data()->profile();
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if (notificationCount > 0) {
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name.append(QString{" (%1)"}.arg(notificationCount));
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}
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@ -279,11 +277,10 @@ MainWindow::showChatPage()
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std::to_string(http::client()->port()));
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auto token = QString::fromStdString(http::client()->access_token());
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QSettings settings;
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settings.setValue("auth/access_token", token);
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settings.setValue("auth/home_server", homeserver);
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settings.setValue("auth/user_id", userid);
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settings.setValue("auth/device_id", device_id);
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userSettings_.data()->setUserId(userid);
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userSettings_.data()->setAccessToken(token);
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userSettings_.data()->setDeviceId(device_id);
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userSettings_.data()->setHomeserver(homeserver);
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showOverlayProgressBar();
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@ -341,9 +338,13 @@ bool
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MainWindow::hasActiveUser()
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{
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QSettings settings;
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QString prefix;
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if (userSettings_->profile() != "")
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prefix = "profile/" + userSettings_->profile() + "/";
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return settings.contains("auth/access_token") && settings.contains("auth/home_server") &&
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settings.contains("auth/user_id");
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return settings.contains(prefix + "auth/access_token") &&
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settings.contains(prefix + "auth/home_server") &&
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settings.contains(prefix + "auth/user_id");
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}
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void
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@ -62,7 +62,7 @@ class MainWindow : public QMainWindow
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Q_OBJECT
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public:
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explicit MainWindow(const QString name, QWidget *parent = nullptr);
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explicit MainWindow(QWidget *parent = nullptr);
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static MainWindow *instance() { return instance_; };
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void saveCurrentWindowSize();
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@ -149,6 +149,4 @@ private:
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LoadingIndicator *spinner_ = nullptr;
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JdenticonInterface *jdenticonInteface_ = nullptr;
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QString profile_;
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};
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@ -89,6 +89,14 @@ UserSettings::load()
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cameraResolution_ = settings.value("user/camera_resolution", QString()).toString();
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cameraFrameRate_ = settings.value("user/camera_frame_rate", QString()).toString();
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useStunServer_ = settings.value("user/use_stun_server", false).toBool();
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profile_ = settings.value("user/currentProfile", "").toString();
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QString prefix =
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(profile_ != "" && profile_ != "default") ? "profile/" + profile_ + "/" : "";
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accessToken_ = settings.value(prefix + "auth/access_token", "").toString();
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homeserver_ = settings.value(prefix + "auth/home_server", "").toString();
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userId_ = settings.value(prefix + "auth/user_id", "").toString();
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deviceId_ = settings.value(prefix + "auth/device_id", "").toString();
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applyTheme();
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}
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@ -372,6 +380,56 @@ UserSettings::setCameraFrameRate(QString frameRate)
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save();
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}
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void
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UserSettings::setProfile(QString profile)
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{
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if (profile == profile_)
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return;
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profile_ = profile;
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emit profileChanged(profile_);
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save();
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}
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void
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UserSettings::setUserId(QString userId)
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{
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if (userId == userId_)
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return;
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userId_ = userId;
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emit userIdChanged(userId_);
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save();
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}
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void
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UserSettings::setAccessToken(QString accessToken)
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{
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if (accessToken == accessToken_)
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return;
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accessToken_ = accessToken;
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emit accessTokenChanged(accessToken_);
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save();
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}
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void
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UserSettings::setDeviceId(QString deviceId)
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{
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if (deviceId == deviceId_)
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return;
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deviceId_ = deviceId;
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emit deviceIdChanged(deviceId_);
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save();
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}
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void
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UserSettings::setHomeserver(QString homeserver)
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{
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if (homeserver == homeserver_)
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return;
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homeserver_ = homeserver;
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emit homeserverChanged(homeserver_);
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save();
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}
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void
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UserSettings::applyTheme()
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{
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@ -436,14 +494,14 @@ UserSettings::save()
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settings.beginGroup("window");
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settings.setValue("tray", tray_);
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settings.setValue("start_in_tray", startInTray_);
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settings.endGroup();
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settings.endGroup(); // window
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settings.beginGroup("timeline");
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settings.setValue("buttons", buttonsInTimeline_);
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settings.setValue("message_hover_highlight", messageHoverHighlight_);
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settings.setValue("enlarge_emoji_only_msg", enlargeEmojiOnlyMessages_);
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settings.setValue("max_width", timelineMaxWidth_);
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settings.endGroup();
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settings.endGroup(); // timeline
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settings.setValue("avatar_circles", avatarCircles_);
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settings.setValue("decrypt_sidebar", decryptSidebar_);
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@ -467,8 +525,16 @@ UserSettings::save()
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settings.setValue("camera_resolution", cameraResolution_);
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settings.setValue("camera_frame_rate", cameraFrameRate_);
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settings.setValue("use_stun_server", useStunServer_);
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settings.setValue("currentProfile", profile_);
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settings.endGroup();
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QString prefix =
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(profile_ != "" && profile_ != "default") ? "profile/" + profile_ + "/" : "";
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settings.setValue(prefix + "auth/access_token", accessToken_);
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settings.setValue(prefix + "auth/home_server", homeserver_);
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settings.setValue(prefix + "auth/user_id", userId_);
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settings.setValue(prefix + "auth/device_id", deviceId_);
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settings.endGroup(); // user
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settings.sync();
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}
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@ -84,6 +84,12 @@ class UserSettings : public QObject
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bool useStunServer READ useStunServer WRITE setUseStunServer NOTIFY useStunServerChanged)
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Q_PROPERTY(bool shareKeysWithTrustedUsers READ shareKeysWithTrustedUsers WRITE
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setShareKeysWithTrustedUsers NOTIFY shareKeysWithTrustedUsersChanged)
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Q_PROPERTY(QString profile READ profile WRITE setProfile NOTIFY profileChanged)
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Q_PROPERTY(QString userId READ userId WRITE setUserId NOTIFY userIdChanged)
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Q_PROPERTY(
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QString accessToken READ accessToken WRITE setAccessToken NOTIFY accessTokenChanged)
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Q_PROPERTY(QString deviceId READ deviceId WRITE setDeviceId NOTIFY deviceIdChanged)
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Q_PROPERTY(QString homeserver READ homeserver WRITE setHomeserver NOTIFY homeserverChanged)
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public:
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UserSettings();
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@ -95,7 +101,7 @@ public:
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Unavailable,
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Offline,
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};
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Q_ENUM(Presence);
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Q_ENUM(Presence)
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void save();
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void load();
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@ -128,6 +134,11 @@ public:
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void setCameraFrameRate(QString frameRate);
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void setUseStunServer(bool state);
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void setShareKeysWithTrustedUsers(bool state);
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void setProfile(QString profile);
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void setUserId(QString userId);
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void setAccessToken(QString accessToken);
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void setDeviceId(QString deviceId);
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void setHomeserver(QString homeserver);
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QString theme() const { return !theme_.isEmpty() ? theme_ : defaultTheme_; }
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bool messageHoverHighlight() const { return messageHoverHighlight_; }
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@ -161,6 +172,11 @@ public:
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QString cameraFrameRate() const { return cameraFrameRate_; }
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bool useStunServer() const { return useStunServer_; }
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bool shareKeysWithTrustedUsers() const { return shareKeysWithTrustedUsers_; }
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QString profile() const { return profile_; }
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QString userId() const { return userId_; }
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QString accessToken() const { return accessToken_; }
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QString deviceId() const { return deviceId_; }
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QString homeserver() const { return homeserver_; }
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signals:
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void groupViewStateChanged(bool state);
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@ -191,6 +207,11 @@ signals:
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void cameraFrameRateChanged(QString frameRate);
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void useStunServerChanged(bool state);
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void shareKeysWithTrustedUsersChanged(bool state);
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void profileChanged(QString profile);
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void userIdChanged(QString userId);
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void accessTokenChanged(QString accessToken);
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void deviceIdChanged(QString deviceId);
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void homeserverChanged(QString homeserver);
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private:
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// Default to system theme if QT_QPA_PLATFORMTHEME var is set.
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@ -226,6 +247,11 @@ private:
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QString cameraResolution_;
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QString cameraFrameRate_;
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bool useStunServer_;
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QString profile_;
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QString userId_;
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QString accessToken_;
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QString deviceId_;
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QString homeserver_;
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};
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class HorizontalLine : public QFrame
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|
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64
src/main.cpp
64
src/main.cpp
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@ -107,29 +107,7 @@ main(int argc, char *argv[])
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// needed for settings so need to register before any settings are read to prevent warnings
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qRegisterMetaType<UserSettings::Presence>();
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|
||||
// This is some hacky programming, but it's necessary (AFAIK?) to get the unique config name
|
||||
// parsed before the app name is set.
|
||||
QString appName{"nheko"};
|
||||
for (int i = 0; i < argc; ++i) {
|
||||
if (QString{argv[i]}.startsWith("--profile=")) {
|
||||
QString q{argv[i]};
|
||||
q.remove("--profile=");
|
||||
appName += "-" + q;
|
||||
} else if (QString{argv[i]}.startsWith("--p=")) {
|
||||
QString q{argv[i]};
|
||||
q.remove("-p=");
|
||||
appName += "-" + q;
|
||||
} else if (QString{argv[i]} == "--profile" || QString{argv[i]} == "-p") {
|
||||
if (i < argc - 1) // if i is less than argc - 1, we still have a parameter
|
||||
// left to process as the name
|
||||
{
|
||||
++i; // the next arg is the name, so increment
|
||||
appName += "-" + QString{argv[i]};
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
QCoreApplication::setApplicationName(appName);
|
||||
QCoreApplication::setApplicationName("nheko");
|
||||
QCoreApplication::setApplicationVersion(nheko::version);
|
||||
QCoreApplication::setOrganizationName("nheko");
|
||||
QCoreApplication::setAttribute(Qt::AA_DontCreateNativeWidgetSiblings);
|
||||
|
|
@ -147,12 +125,36 @@ main(int argc, char *argv[])
|
|||
}
|
||||
#endif
|
||||
|
||||
// This is some hacky programming, but it's necessary (AFAIK?) to get the unique config name
|
||||
// parsed before the SingleApplication userdata is set.
|
||||
QString userdata{""};
|
||||
for (int i = 0; i < argc; ++i) {
|
||||
if (QString{argv[i]}.startsWith("--profile=")) {
|
||||
QString q{argv[i]};
|
||||
q.remove("--profile=");
|
||||
userdata = q;
|
||||
} else if (QString{argv[i]}.startsWith("--p=")) {
|
||||
QString q{argv[i]};
|
||||
q.remove("-p=");
|
||||
userdata = q;
|
||||
} else if (QString{argv[i]} == "--profile" || QString{argv[i]} == "-p") {
|
||||
if (i < argc - 1) // if i is less than argc - 1, we still have a parameter
|
||||
// left to process as the name
|
||||
{
|
||||
++i; // the next arg is the name, so increment
|
||||
userdata = QString{argv[i]};
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
SingleApplication app(argc,
|
||||
argv,
|
||||
false,
|
||||
SingleApplication::Mode::User |
|
||||
SingleApplication::Mode::ExcludeAppPath |
|
||||
SingleApplication::Mode::ExcludeAppVersion);
|
||||
SingleApplication::Mode::ExcludeAppVersion,
|
||||
100,
|
||||
userdata);
|
||||
|
||||
QCommandLineParser parser;
|
||||
parser.addHelpOption();
|
||||
|
|
@ -194,14 +196,17 @@ main(int argc, char *argv[])
|
|||
std::exit(1);
|
||||
}
|
||||
|
||||
QSettings settings;
|
||||
UserSettings settings;
|
||||
|
||||
if (parser.isSet(configName))
|
||||
settings.setProfile(parser.value(configName));
|
||||
|
||||
QFont font;
|
||||
QString userFontFamily = settings.value("user/font_family", "").toString();
|
||||
QString userFontFamily = settings.font();
|
||||
if (!userFontFamily.isEmpty()) {
|
||||
font.setFamily(userFontFamily);
|
||||
}
|
||||
font.setPointSizeF(settings.value("user/font_size", font.pointSizeF()).toDouble());
|
||||
font.setPointSizeF(settings.fontSize());
|
||||
|
||||
app.setFont(font);
|
||||
|
||||
|
|
@ -216,13 +221,12 @@ main(int argc, char *argv[])
|
|||
appTranslator.load(QLocale(), "nheko", "_", ":/translations");
|
||||
app.installTranslator(&appTranslator);
|
||||
|
||||
MainWindow w{(appName == "nheko" ? "" : appName.remove("nheko-"))};
|
||||
MainWindow w;
|
||||
|
||||
// Move the MainWindow to the center
|
||||
w.move(screenCenter(w.width(), w.height()));
|
||||
|
||||
if (!settings.value("user/window/start_in_tray", false).toBool() ||
|
||||
!settings.value("user/window/tray", true).toBool())
|
||||
if (!settings.startInTray() && !settings.tray())
|
||||
w.show();
|
||||
|
||||
QObject::connect(&app, &QApplication::aboutToQuit, &w, [&w]() {
|
||||
|
|
|
|||
|
|
@ -1,201 +0,0 @@
|
|||
// The MIT License (MIT)
|
||||
//
|
||||
// Copyright (c) Itay Grudev 2015 - 2020
|
||||
//
|
||||
// Permission is hereby granted, free of charge, to any person obtaining a copy
|
||||
// of this software and associated documentation files (the "Software"), to deal
|
||||
// in the Software without restriction, including without limitation the rights
|
||||
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
||||
// copies of the Software, and to permit persons to whom the Software is
|
||||
// furnished to do so, subject to the following conditions:
|
||||
//
|
||||
// The above copyright notice and this permission notice shall be included in
|
||||
// all copies or substantial portions of the Software.
|
||||
//
|
||||
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||||
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||||
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
||||
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
||||
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
||||
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
||||
// THE SOFTWARE.
|
||||
|
||||
#include <QtCore/QElapsedTimer>
|
||||
#include <QtCore/QThread>
|
||||
#include <QtCore/QByteArray>
|
||||
#include <QtCore/QSharedMemory>
|
||||
#if QT_VERSION >= QT_VERSION_CHECK(5, 10, 0)
|
||||
#include <QtCore/QRandomGenerator>
|
||||
#else
|
||||
#include <QtCore/QDateTime>
|
||||
#endif
|
||||
|
||||
#include "singleapplication.h"
|
||||
#include "singleapplication_p.h"
|
||||
|
||||
/**
|
||||
* @brief Constructor. Checks and fires up LocalServer or closes the program
|
||||
* if another instance already exists
|
||||
* @param argc
|
||||
* @param argv
|
||||
* @param {bool} allowSecondaryInstances
|
||||
*/
|
||||
SingleApplication::SingleApplication( int &argc, char *argv[], bool allowSecondary, Options options, int timeout )
|
||||
: app_t( argc, argv ), d_ptr( new SingleApplicationPrivate( this ) )
|
||||
{
|
||||
Q_D(SingleApplication);
|
||||
|
||||
#if defined(Q_OS_ANDROID) || defined(Q_OS_IOS)
|
||||
// On Android and iOS since the library is not supported fallback to
|
||||
// standard QApplication behaviour by simply returning at this point.
|
||||
qWarning() << "SingleApplication is not supported on Android and iOS systems.";
|
||||
return;
|
||||
#endif
|
||||
|
||||
// Store the current mode of the program
|
||||
d->options = options;
|
||||
|
||||
// Generating an application ID used for identifying the shared memory
|
||||
// block and QLocalServer
|
||||
d->genBlockServerName();
|
||||
|
||||
#ifdef Q_OS_UNIX
|
||||
// By explicitly attaching it and then deleting it we make sure that the
|
||||
// memory is deleted even after the process has crashed on Unix.
|
||||
d->memory = new QSharedMemory( d->blockServerName );
|
||||
d->memory->attach();
|
||||
delete d->memory;
|
||||
#endif
|
||||
// Guarantee thread safe behaviour with a shared memory block.
|
||||
d->memory = new QSharedMemory( d->blockServerName );
|
||||
|
||||
// Create a shared memory block
|
||||
if( d->memory->create( sizeof( InstancesInfo ) ) ) {
|
||||
// Initialize the shared memory block
|
||||
d->memory->lock();
|
||||
d->initializeMemoryBlock();
|
||||
d->memory->unlock();
|
||||
} else {
|
||||
// Attempt to attach to the memory segment
|
||||
if( ! d->memory->attach() ) {
|
||||
qCritical() << "SingleApplication: Unable to attach to shared memory block.";
|
||||
qCritical() << d->memory->errorString();
|
||||
delete d;
|
||||
::exit( EXIT_FAILURE );
|
||||
}
|
||||
}
|
||||
|
||||
auto *inst = static_cast<InstancesInfo*>( d->memory->data() );
|
||||
QElapsedTimer time;
|
||||
time.start();
|
||||
|
||||
// Make sure the shared memory block is initialised and in consistent state
|
||||
while( true ) {
|
||||
d->memory->lock();
|
||||
|
||||
if( d->blockChecksum() == inst->checksum ) break;
|
||||
|
||||
if( time.elapsed() > 5000 ) {
|
||||
qWarning() << "SingleApplication: Shared memory block has been in an inconsistent state from more than 5s. Assuming primary instance failure.";
|
||||
d->initializeMemoryBlock();
|
||||
}
|
||||
|
||||
d->memory->unlock();
|
||||
|
||||
// Random sleep here limits the probability of a collision between two racing apps
|
||||
#if QT_VERSION >= QT_VERSION_CHECK(5, 10, 0)
|
||||
QThread::sleep( QRandomGenerator::global()->bounded( 8u, 18u ) );
|
||||
#else
|
||||
qsrand( QDateTime::currentMSecsSinceEpoch() % std::numeric_limits<uint>::max() );
|
||||
QThread::sleep( 8 + static_cast <unsigned long>( static_cast <float>( qrand() ) / RAND_MAX * 10 ) );
|
||||
#endif
|
||||
}
|
||||
|
||||
if( inst->primary == false) {
|
||||
d->startPrimary();
|
||||
d->memory->unlock();
|
||||
return;
|
||||
}
|
||||
|
||||
// Check if another instance can be started
|
||||
if( allowSecondary ) {
|
||||
inst->secondary += 1;
|
||||
inst->checksum = d->blockChecksum();
|
||||
d->instanceNumber = inst->secondary;
|
||||
d->startSecondary();
|
||||
if( d->options & Mode::SecondaryNotification ) {
|
||||
d->connectToPrimary( timeout, SingleApplicationPrivate::SecondaryInstance );
|
||||
}
|
||||
d->memory->unlock();
|
||||
return;
|
||||
}
|
||||
|
||||
d->memory->unlock();
|
||||
|
||||
d->connectToPrimary( timeout, SingleApplicationPrivate::NewInstance );
|
||||
|
||||
delete d;
|
||||
|
||||
::exit( EXIT_SUCCESS );
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief Destructor
|
||||
*/
|
||||
SingleApplication::~SingleApplication()
|
||||
{
|
||||
Q_D(SingleApplication);
|
||||
delete d;
|
||||
}
|
||||
|
||||
bool SingleApplication::isPrimary()
|
||||
{
|
||||
Q_D(SingleApplication);
|
||||
return d->server != nullptr;
|
||||
}
|
||||
|
||||
bool SingleApplication::isSecondary()
|
||||
{
|
||||
Q_D(SingleApplication);
|
||||
return d->server == nullptr;
|
||||
}
|
||||
|
||||
quint32 SingleApplication::instanceId()
|
||||
{
|
||||
Q_D(SingleApplication);
|
||||
return d->instanceNumber;
|
||||
}
|
||||
|
||||
qint64 SingleApplication::primaryPid()
|
||||
{
|
||||
Q_D(SingleApplication);
|
||||
return d->primaryPid();
|
||||
}
|
||||
|
||||
QString SingleApplication::primaryUser()
|
||||
{
|
||||
Q_D(SingleApplication);
|
||||
return d->primaryUser();
|
||||
}
|
||||
|
||||
QString SingleApplication::currentUser()
|
||||
{
|
||||
Q_D(SingleApplication);
|
||||
return d->getUsername();
|
||||
}
|
||||
|
||||
bool SingleApplication::sendMessage( const QByteArray &message, int timeout )
|
||||
{
|
||||
Q_D(SingleApplication);
|
||||
|
||||
// Nobody to connect to
|
||||
if( isPrimary() ) return false;
|
||||
|
||||
// Make sure the socket is connected
|
||||
d->connectToPrimary( timeout, SingleApplicationPrivate::Reconnect );
|
||||
|
||||
d->socket->write( message );
|
||||
bool dataWritten = d->socket->waitForBytesWritten( timeout );
|
||||
d->socket->flush();
|
||||
return dataWritten;
|
||||
}
|
||||
|
|
@ -3,6 +3,30 @@ Changelog
|
|||
|
||||
If by accident I have forgotten to credit someone in the CHANGELOG, email me and I will fix it.
|
||||
|
||||
__3.2.0__
|
||||
---------
|
||||
|
||||
* Added support for Qt 6 - _Jonas Kvinge_
|
||||
* Fixed warning in `Qt 5.9` with `min`/`max` functions on Windows - _Nick Korotysh_
|
||||
* Fix return value of connectToPrimary() when connect is successful - _Jonas Kvinge_
|
||||
* Fix build issue with MinGW GCC pedantic mode - _Iakov Kirilenko_
|
||||
* Fixed conversion from `int` to `quint32` and Clang Tidy warnings - _Hennadii Chernyshchyk_
|
||||
|
||||
__3.1.5__
|
||||
---------
|
||||
|
||||
* Improved library stability in edge cases and very rapid process initialisation
|
||||
* Fixed Bug where the shared memory block may have been modified without a lock
|
||||
* Fixed Bug causing `instanceStarted()` to not get emitted when a second instance
|
||||
has been started before the primary has initiated it's `QLocalServer`.
|
||||
|
||||
__3.1.4__
|
||||
---------
|
||||
* Officially supporting and build-testing against Qt 5.15
|
||||
* Fixed an MSVC C4996 warning that suggests using `strncpy_s`.
|
||||
|
||||
_Hennadii Chernyshchyk_
|
||||
|
||||
__3.1.3.1__
|
||||
---------
|
||||
* CMake build system improvements
|
||||
|
|
@ -38,18 +62,18 @@ __3.1.0a__
|
|||
__3.0.19__
|
||||
----------
|
||||
|
||||
* Fixed code warning for depricated functions in Qt 5.10 related to `QTime` and `qrand()`.
|
||||
* Fixed code warning for depricated functions in Qt 5.10 related to `QTime` and `qrand()`.
|
||||
|
||||
_Hennadii Chernyshchyk_
|
||||
_Anton Filimonov_
|
||||
_Jonas Kvinge_
|
||||
|
||||
|
||||
__3.0.18__
|
||||
----------
|
||||
|
||||
* Fallback to standard QApplication class on iOS and Android systems where
|
||||
the library is not supported.
|
||||
|
||||
|
||||
* Added Build CI tests to verify the library builds successfully on Linux, Windows and MacOS across multiple Qt versions.
|
||||
|
||||
_Anton Filimonov_
|
||||
|
|
@ -10,22 +10,28 @@ add_library(${PROJECT_NAME} STATIC
|
|||
)
|
||||
add_library(${PROJECT_NAME}::${PROJECT_NAME} ALIAS ${PROJECT_NAME})
|
||||
|
||||
if(NOT QT_DEFAULT_MAJOR_VERSION)
|
||||
set(QT_DEFAULT_MAJOR_VERSION 5 CACHE STRING "Qt version to use (5 or 6), defaults to 5")
|
||||
endif()
|
||||
|
||||
# Find dependencies
|
||||
find_package(Qt5 COMPONENTS Network REQUIRED)
|
||||
target_link_libraries(${PROJECT_NAME} PRIVATE Qt5::Network)
|
||||
set(QT_COMPONENTS Core Network)
|
||||
set(QT_LIBRARIES Qt${QT_DEFAULT_MAJOR_VERSION}::Core Qt${QT_DEFAULT_MAJOR_VERSION}::Network)
|
||||
|
||||
if(QAPPLICATION_CLASS STREQUAL QApplication)
|
||||
find_package(Qt5 COMPONENTS Widgets REQUIRED)
|
||||
target_link_libraries(${PROJECT_NAME} PUBLIC Qt5::Widgets)
|
||||
list(APPEND QT_COMPONENTS Widgets)
|
||||
list(APPEND QT_LIBRARIES Qt${QT_DEFAULT_MAJOR_VERSION}::Widgets)
|
||||
elseif(QAPPLICATION_CLASS STREQUAL QGuiApplication)
|
||||
find_package(Qt5 COMPONENTS Gui REQUIRED)
|
||||
target_link_libraries(${PROJECT_NAME} PUBLIC Qt5::Gui)
|
||||
list(APPEND QT_COMPONENTS Gui)
|
||||
list(APPEND QT_LIBRARIES Qt${QT_DEFAULT_MAJOR_VERSION}::Gui)
|
||||
else()
|
||||
set(QAPPLICATION_CLASS QCoreApplication)
|
||||
find_package(Qt5 COMPONENTS Core REQUIRED)
|
||||
target_link_libraries(${PROJECT_NAME} PUBLIC Qt5::Core)
|
||||
endif()
|
||||
|
||||
find_package(Qt${QT_DEFAULT_MAJOR_VERSION} COMPONENTS ${QT_COMPONENTS} REQUIRED)
|
||||
|
||||
target_link_libraries(${PROJECT_NAME} PUBLIC ${QT_LIBRARIES})
|
||||
|
||||
if(WIN32)
|
||||
target_link_libraries(${PROJECT_NAME} PRIVATE advapi32)
|
||||
endif()
|
||||
|
|
@ -2,7 +2,7 @@ SingleApplication
|
|||
=================
|
||||
[](https://github.com/itay-grudev/SingleApplication/actions)
|
||||
|
||||
This is a replacement of the QtSingleApplication for `Qt5`.
|
||||
This is a replacement of the QtSingleApplication for `Qt5` and `Qt6`.
|
||||
|
||||
Keeps the Primary Instance of your Application and kills each subsequent
|
||||
instances. It can (if enabled) spawn secondary (non-related to the primary)
|
||||
|
|
@ -139,13 +139,22 @@ app.isSecondary();
|
|||
*__Note:__ If your Primary Instance is terminated a newly launched instance
|
||||
will replace the Primary one even if the Secondary flag has been set.*
|
||||
|
||||
Examples
|
||||
--------
|
||||
|
||||
There are three examples provided in this repository:
|
||||
|
||||
* Basic example that prevents a secondary instance from starting [`examples/basic`](https://github.com/itay-grudev/SingleApplication/tree/master/examples/basic)
|
||||
* An example of a graphical application raising it's parent window [`examples/calculator`](https://github.com/itay-grudev/SingleApplication/tree/master/examples/calculator)
|
||||
* A console application sending the primary instance it's command line parameters [`examples/sending_arguments`](https://github.com/itay-grudev/SingleApplication/tree/master/examples/sending_arguments)
|
||||
|
||||
API
|
||||
---
|
||||
|
||||
### Members
|
||||
|
||||
```cpp
|
||||
SingleApplication::SingleApplication( int &argc, char *argv[], bool allowSecondary = false, Options options = Mode::User, int timeout = 100 )
|
||||
SingleApplication::SingleApplication( int &argc, char *argv[], bool allowSecondary = false, Options options = Mode::User, int timeout = 100, QString userData = QString() )
|
||||
```
|
||||
|
||||
Depending on whether `allowSecondary` is set, this constructor may terminate
|
||||
|
|
@ -154,7 +163,7 @@ can be specified to set whether the SingleApplication block should work
|
|||
user-wide or system-wide. Additionally the `Mode::SecondaryNotification` may be
|
||||
used to notify the primary instance whenever a secondary instance had been
|
||||
started (disabled by default). `timeout` specifies the maximum time in
|
||||
milliseconds to wait for blocking operations.
|
||||
milliseconds to wait for blocking operations. Setting `userData` provides additional data that will isolate this instance from other instances that do not have the same (or any) user data set.
|
||||
|
||||
*__Note:__ `argc` and `argv` may be changed as Qt removes arguments that it
|
||||
recognizes.*
|
||||
274
third_party/SingleApplication-3.2.0-dc8042b/singleapplication.cpp
vendored
Normal file
274
third_party/SingleApplication-3.2.0-dc8042b/singleapplication.cpp
vendored
Normal file
|
|
@ -0,0 +1,274 @@
|
|||
// The MIT License (MIT)
|
||||
//
|
||||
// Copyright (c) Itay Grudev 2015 - 2020
|
||||
//
|
||||
// Permission is hereby granted, free of charge, to any person obtaining a copy
|
||||
// of this software and associated documentation files (the "Software"), to deal
|
||||
// in the Software without restriction, including without limitation the rights
|
||||
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
||||
// copies of the Software, and to permit persons to whom the Software is
|
||||
// furnished to do so, subject to the following conditions:
|
||||
//
|
||||
// The above copyright notice and this permission notice shall be included in
|
||||
// all copies or substantial portions of the Software.
|
||||
//
|
||||
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||||
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||||
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
||||
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
||||
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
||||
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
||||
// THE SOFTWARE.
|
||||
|
||||
#include <QtCore/QElapsedTimer>
|
||||
#include <QtCore/QByteArray>
|
||||
#include <QtCore/QSharedMemory>
|
||||
|
||||
#include "singleapplication.h"
|
||||
#include "singleapplication_p.h"
|
||||
|
||||
/**
|
||||
* @brief Constructor. Checks and fires up LocalServer or closes the program
|
||||
* if another instance already exists
|
||||
* @param argc
|
||||
* @param argv
|
||||
* @param allowSecondary Whether to enable secondary instance support
|
||||
* @param options Optional flags to toggle specific behaviour
|
||||
* @param timeout Maximum time blocking functions are allowed during app load
|
||||
*/
|
||||
SingleApplication::SingleApplication( int &argc, char *argv[], bool allowSecondary, Options options, int timeout, QString userData )
|
||||
: app_t( argc, argv ), d_ptr( new SingleApplicationPrivate( this ) )
|
||||
{
|
||||
Q_D( SingleApplication );
|
||||
|
||||
#if defined(Q_OS_ANDROID) || defined(Q_OS_IOS)
|
||||
// On Android and iOS since the library is not supported fallback to
|
||||
// standard QApplication behaviour by simply returning at this point.
|
||||
qWarning() << "SingleApplication is not supported on Android and iOS systems.";
|
||||
return;
|
||||
#endif
|
||||
|
||||
// Store the current mode of the program
|
||||
d->options = options;
|
||||
|
||||
// Add any unique user data
|
||||
if ( ! userData.isEmpty() )
|
||||
d->addAppData( userData );
|
||||
|
||||
// Generating an application ID used for identifying the shared memory
|
||||
// block and QLocalServer
|
||||
d->genBlockServerName();
|
||||
|
||||
// To mitigate QSharedMemory issues with large amount of processes
|
||||
// attempting to attach at the same time
|
||||
SingleApplicationPrivate::randomSleep();
|
||||
|
||||
#ifdef Q_OS_UNIX
|
||||
// By explicitly attaching it and then deleting it we make sure that the
|
||||
// memory is deleted even after the process has crashed on Unix.
|
||||
d->memory = new QSharedMemory( d->blockServerName );
|
||||
d->memory->attach();
|
||||
delete d->memory;
|
||||
#endif
|
||||
// Guarantee thread safe behaviour with a shared memory block.
|
||||
d->memory = new QSharedMemory( d->blockServerName );
|
||||
|
||||
// Create a shared memory block
|
||||
if( d->memory->create( sizeof( InstancesInfo ) )){
|
||||
// Initialize the shared memory block
|
||||
if( ! d->memory->lock() ){
|
||||
qCritical() << "SingleApplication: Unable to lock memory block after create.";
|
||||
abortSafely();
|
||||
}
|
||||
d->initializeMemoryBlock();
|
||||
} else {
|
||||
if( d->memory->error() == QSharedMemory::AlreadyExists ){
|
||||
// Attempt to attach to the memory segment
|
||||
if( ! d->memory->attach() ){
|
||||
qCritical() << "SingleApplication: Unable to attach to shared memory block.";
|
||||
abortSafely();
|
||||
}
|
||||
if( ! d->memory->lock() ){
|
||||
qCritical() << "SingleApplication: Unable to lock memory block after attach.";
|
||||
abortSafely();
|
||||
}
|
||||
} else {
|
||||
qCritical() << "SingleApplication: Unable to create block.";
|
||||
abortSafely();
|
||||
}
|
||||
}
|
||||
|
||||
auto *inst = static_cast<InstancesInfo*>( d->memory->data() );
|
||||
QElapsedTimer time;
|
||||
time.start();
|
||||
|
||||
// Make sure the shared memory block is initialised and in consistent state
|
||||
while( true ){
|
||||
// If the shared memory block's checksum is valid continue
|
||||
if( d->blockChecksum() == inst->checksum ) break;
|
||||
|
||||
// If more than 5s have elapsed, assume the primary instance crashed and
|
||||
// assume it's position
|
||||
if( time.elapsed() > 5000 ){
|
||||
qWarning() << "SingleApplication: Shared memory block has been in an inconsistent state from more than 5s. Assuming primary instance failure.";
|
||||
d->initializeMemoryBlock();
|
||||
}
|
||||
|
||||
// Otherwise wait for a random period and try again. The random sleep here
|
||||
// limits the probability of a collision between two racing apps and
|
||||
// allows the app to initialise faster
|
||||
if( ! d->memory->unlock() ){
|
||||
qDebug() << "SingleApplication: Unable to unlock memory for random wait.";
|
||||
qDebug() << d->memory->errorString();
|
||||
}
|
||||
SingleApplicationPrivate::randomSleep();
|
||||
if( ! d->memory->lock() ){
|
||||
qCritical() << "SingleApplication: Unable to lock memory after random wait.";
|
||||
abortSafely();
|
||||
}
|
||||
}
|
||||
|
||||
if( inst->primary == false ){
|
||||
d->startPrimary();
|
||||
if( ! d->memory->unlock() ){
|
||||
qDebug() << "SingleApplication: Unable to unlock memory after primary start.";
|
||||
qDebug() << d->memory->errorString();
|
||||
}
|
||||
return;
|
||||
}
|
||||
|
||||
// Check if another instance can be started
|
||||
if( allowSecondary ){
|
||||
d->startSecondary();
|
||||
if( d->options & Mode::SecondaryNotification ){
|
||||
d->connectToPrimary( timeout, SingleApplicationPrivate::SecondaryInstance );
|
||||
}
|
||||
if( ! d->memory->unlock() ){
|
||||
qDebug() << "SingleApplication: Unable to unlock memory after secondary start.";
|
||||
qDebug() << d->memory->errorString();
|
||||
}
|
||||
return;
|
||||
}
|
||||
|
||||
if( ! d->memory->unlock() ){
|
||||
qDebug() << "SingleApplication: Unable to unlock memory at end of execution.";
|
||||
qDebug() << d->memory->errorString();
|
||||
}
|
||||
|
||||
d->connectToPrimary( timeout, SingleApplicationPrivate::NewInstance );
|
||||
|
||||
delete d;
|
||||
|
||||
::exit( EXIT_SUCCESS );
|
||||
}
|
||||
|
||||
SingleApplication::~SingleApplication()
|
||||
{
|
||||
Q_D( SingleApplication );
|
||||
delete d;
|
||||
}
|
||||
|
||||
/**
|
||||
* Checks if the current application instance is primary.
|
||||
* @return Returns true if the instance is primary, false otherwise.
|
||||
*/
|
||||
bool SingleApplication::isPrimary()
|
||||
{
|
||||
Q_D( SingleApplication );
|
||||
return d->server != nullptr;
|
||||
}
|
||||
|
||||
/**
|
||||
* Checks if the current application instance is secondary.
|
||||
* @return Returns true if the instance is secondary, false otherwise.
|
||||
*/
|
||||
bool SingleApplication::isSecondary()
|
||||
{
|
||||
Q_D( SingleApplication );
|
||||
return d->server == nullptr;
|
||||
}
|
||||
|
||||
/**
|
||||
* Allows you to identify an instance by returning unique consecutive instance
|
||||
* ids. It is reset when the first (primary) instance of your app starts and
|
||||
* only incremented afterwards.
|
||||
* @return Returns a unique instance id.
|
||||
*/
|
||||
quint32 SingleApplication::instanceId()
|
||||
{
|
||||
Q_D( SingleApplication );
|
||||
return d->instanceNumber;
|
||||
}
|
||||
|
||||
/**
|
||||
* Returns the OS PID (Process Identifier) of the process running the primary
|
||||
* instance. Especially useful when SingleApplication is coupled with OS.
|
||||
* specific APIs.
|
||||
* @return Returns the primary instance PID.
|
||||
*/
|
||||
qint64 SingleApplication::primaryPid()
|
||||
{
|
||||
Q_D( SingleApplication );
|
||||
return d->primaryPid();
|
||||
}
|
||||
|
||||
/**
|
||||
* Returns the username the primary instance is running as.
|
||||
* @return Returns the username the primary instance is running as.
|
||||
*/
|
||||
QString SingleApplication::primaryUser()
|
||||
{
|
||||
Q_D( SingleApplication );
|
||||
return d->primaryUser();
|
||||
}
|
||||
|
||||
/**
|
||||
* Returns the username the current instance is running as.
|
||||
* @return Returns the username the current instance is running as.
|
||||
*/
|
||||
QString SingleApplication::currentUser()
|
||||
{
|
||||
return SingleApplicationPrivate::getUsername();
|
||||
}
|
||||
|
||||
/**
|
||||
* Sends message to the Primary Instance.
|
||||
* @param message The message to send.
|
||||
* @param timeout the maximum timeout in milliseconds for blocking functions.
|
||||
* @return true if the message was sent successfuly, false otherwise.
|
||||
*/
|
||||
bool SingleApplication::sendMessage( const QByteArray &message, int timeout )
|
||||
{
|
||||
Q_D( SingleApplication );
|
||||
|
||||
// Nobody to connect to
|
||||
if( isPrimary() ) return false;
|
||||
|
||||
// Make sure the socket is connected
|
||||
if( ! d->connectToPrimary( timeout, SingleApplicationPrivate::Reconnect ) )
|
||||
return false;
|
||||
|
||||
d->socket->write( message );
|
||||
bool dataWritten = d->socket->waitForBytesWritten( timeout );
|
||||
d->socket->flush();
|
||||
return dataWritten;
|
||||
}
|
||||
|
||||
/**
|
||||
* Cleans up the shared memory block and exits with a failure.
|
||||
* This function halts program execution.
|
||||
*/
|
||||
void SingleApplication::abortSafely()
|
||||
{
|
||||
Q_D( SingleApplication );
|
||||
|
||||
qCritical() << "SingleApplication: " << d->memory->error() << d->memory->errorString();
|
||||
delete d;
|
||||
::exit( EXIT_FAILURE );
|
||||
}
|
||||
|
||||
QStringList SingleApplication::userData()
|
||||
{
|
||||
Q_D( SingleApplication );
|
||||
return d->appData();
|
||||
}
|
||||
|
|
@ -85,7 +85,7 @@ public:
|
|||
* Usually 4*timeout would be the worst case (fail) scenario.
|
||||
* @see See the corresponding QAPPLICATION_CLASS constructor for reference
|
||||
*/
|
||||
explicit SingleApplication( int &argc, char *argv[], bool allowSecondary = false, Options options = Mode::User, int timeout = 1000 );
|
||||
explicit SingleApplication( int &argc, char *argv[], bool allowSecondary = false, Options options = Mode::User, int timeout = 1000, QString userData = QString() );
|
||||
~SingleApplication() override;
|
||||
|
||||
/**
|
||||
|
|
@ -133,6 +133,12 @@ public:
|
|||
*/
|
||||
bool sendMessage( const QByteArray &message, int timeout = 100 );
|
||||
|
||||
/**
|
||||
* @brief Get the set user data.
|
||||
* @returns {QStringList}
|
||||
*/
|
||||
QStringList userData();
|
||||
|
||||
Q_SIGNALS:
|
||||
void instanceStarted();
|
||||
void receivedMessage( quint32 instanceId, QByteArray message );
|
||||
|
|
@ -140,6 +146,7 @@ Q_SIGNALS:
|
|||
private:
|
||||
SingleApplicationPrivate *d_ptr;
|
||||
Q_DECLARE_PRIVATE(SingleApplication)
|
||||
void abortSafely();
|
||||
};
|
||||
|
||||
Q_DECLARE_OPERATORS_FOR_FLAGS(SingleApplication::Options)
|
||||
|
|
@ -33,12 +33,20 @@
|
|||
#include <cstddef>
|
||||
|
||||
#include <QtCore/QDir>
|
||||
#include <QtCore/QThread>
|
||||
#include <QtCore/QByteArray>
|
||||
#include <QtCore/QDataStream>
|
||||
#include <QtCore/QElapsedTimer>
|
||||
#include <QtCore/QCryptographicHash>
|
||||
#include <QtNetwork/QLocalServer>
|
||||
#include <QtNetwork/QLocalSocket>
|
||||
|
||||
#if QT_VERSION >= QT_VERSION_CHECK(5, 10, 0)
|
||||
#include <QtCore/QRandomGenerator>
|
||||
#else
|
||||
#include <QtCore/QDateTime>
|
||||
#endif
|
||||
|
||||
#include "singleapplication.h"
|
||||
#include "singleapplication_p.h"
|
||||
|
||||
|
|
@ -49,6 +57,9 @@
|
|||
#endif
|
||||
|
||||
#ifdef Q_OS_WIN
|
||||
#ifndef NOMINMAX
|
||||
#define NOMINMAX 1
|
||||
#endif
|
||||
#include <windows.h>
|
||||
#include <lmcons.h>
|
||||
#endif
|
||||
|
|
@ -59,20 +70,20 @@ SingleApplicationPrivate::SingleApplicationPrivate( SingleApplication *q_ptr )
|
|||
server = nullptr;
|
||||
socket = nullptr;
|
||||
memory = nullptr;
|
||||
instanceNumber = -1;
|
||||
instanceNumber = 0;
|
||||
}
|
||||
|
||||
SingleApplicationPrivate::~SingleApplicationPrivate()
|
||||
{
|
||||
if( socket != nullptr ) {
|
||||
if( socket != nullptr ){
|
||||
socket->close();
|
||||
delete socket;
|
||||
}
|
||||
|
||||
if( memory != nullptr ) {
|
||||
if( memory != nullptr ){
|
||||
memory->lock();
|
||||
auto *inst = static_cast<InstancesInfo*>(memory->data());
|
||||
if( server != nullptr ) {
|
||||
if( server != nullptr ){
|
||||
server->close();
|
||||
delete server;
|
||||
inst->primary = false;
|
||||
|
|
@ -106,7 +117,7 @@ QString SingleApplicationPrivate::getUsername()
|
|||
struct passwd *pw = getpwuid( uid );
|
||||
if( pw )
|
||||
username = QString::fromLocal8Bit( pw->pw_name );
|
||||
if ( username.isEmpty() ) {
|
||||
if ( username.isEmpty() ){
|
||||
#if QT_VERSION < QT_VERSION_CHECK(5, 10, 0)
|
||||
username = QString::fromLocal8Bit( qgetenv( "USER" ) );
|
||||
#else
|
||||
|
|
@ -125,11 +136,14 @@ void SingleApplicationPrivate::genBlockServerName()
|
|||
appData.addData( SingleApplication::app_t::organizationName().toUtf8() );
|
||||
appData.addData( SingleApplication::app_t::organizationDomain().toUtf8() );
|
||||
|
||||
if( ! (options & SingleApplication::Mode::ExcludeAppVersion) ) {
|
||||
if ( ! appDataList.isEmpty() )
|
||||
appData.addData( appDataList.join( "" ).toUtf8() );
|
||||
|
||||
if( ! (options & SingleApplication::Mode::ExcludeAppVersion) ){
|
||||
appData.addData( SingleApplication::app_t::applicationVersion().toUtf8() );
|
||||
}
|
||||
|
||||
if( ! (options & SingleApplication::Mode::ExcludeAppPath) ) {
|
||||
if( ! (options & SingleApplication::Mode::ExcludeAppPath) ){
|
||||
#ifdef Q_OS_WIN
|
||||
appData.addData( SingleApplication::app_t::applicationFilePath().toLower().toUtf8() );
|
||||
#else
|
||||
|
|
@ -138,7 +152,7 @@ void SingleApplicationPrivate::genBlockServerName()
|
|||
}
|
||||
|
||||
// User level block requires a user specific data in the hash
|
||||
if( options & SingleApplication::Mode::User ) {
|
||||
if( options & SingleApplication::Mode::User ){
|
||||
appData.addData( getUsername().toUtf8() );
|
||||
}
|
||||
|
||||
|
|
@ -147,7 +161,7 @@ void SingleApplicationPrivate::genBlockServerName()
|
|||
blockServerName = appData.result().toBase64().replace("/", "_");
|
||||
}
|
||||
|
||||
void SingleApplicationPrivate::initializeMemoryBlock()
|
||||
void SingleApplicationPrivate::initializeMemoryBlock() const
|
||||
{
|
||||
auto *inst = static_cast<InstancesInfo*>( memory->data() );
|
||||
inst->primary = false;
|
||||
|
|
@ -159,8 +173,14 @@ void SingleApplicationPrivate::initializeMemoryBlock()
|
|||
|
||||
void SingleApplicationPrivate::startPrimary()
|
||||
{
|
||||
Q_Q(SingleApplication);
|
||||
// Reset the number of connections
|
||||
auto *inst = static_cast <InstancesInfo*>( memory->data() );
|
||||
|
||||
inst->primary = true;
|
||||
inst->primaryPid = QCoreApplication::applicationPid();
|
||||
qstrncpy( inst->primaryUser, getUsername().toUtf8().data(), sizeof(inst->primaryUser) );
|
||||
inst->checksum = blockChecksum();
|
||||
instanceNumber = 0;
|
||||
// Successful creation means that no main process exists
|
||||
// So we start a QLocalServer to listen for connections
|
||||
QLocalServer::removeServer( blockServerName );
|
||||
|
|
@ -168,10 +188,10 @@ void SingleApplicationPrivate::startPrimary()
|
|||
|
||||
// Restrict access to the socket according to the
|
||||
// SingleApplication::Mode::User flag on User level or no restrictions
|
||||
if( options & SingleApplication::Mode::User ) {
|
||||
server->setSocketOptions( QLocalServer::UserAccessOption );
|
||||
if( options & SingleApplication::Mode::User ){
|
||||
server->setSocketOptions( QLocalServer::UserAccessOption );
|
||||
} else {
|
||||
server->setSocketOptions( QLocalServer::WorldAccessOption );
|
||||
server->setSocketOptions( QLocalServer::WorldAccessOption );
|
||||
}
|
||||
|
||||
server->listen( blockServerName );
|
||||
|
|
@ -181,87 +201,95 @@ void SingleApplicationPrivate::startPrimary()
|
|||
this,
|
||||
&SingleApplicationPrivate::slotConnectionEstablished
|
||||
);
|
||||
|
||||
// Reset the number of connections
|
||||
auto *inst = static_cast <InstancesInfo*>( memory->data() );
|
||||
|
||||
inst->primary = true;
|
||||
inst->primaryPid = q->applicationPid();
|
||||
strncpy( inst->primaryUser, getUsername().toUtf8().data(), 127 );
|
||||
inst->primaryUser[127] = '\0';
|
||||
inst->checksum = blockChecksum();
|
||||
|
||||
instanceNumber = 0;
|
||||
}
|
||||
|
||||
void SingleApplicationPrivate::startSecondary()
|
||||
{
|
||||
auto *inst = static_cast <InstancesInfo*>( memory->data() );
|
||||
|
||||
inst->secondary += 1;
|
||||
inst->checksum = blockChecksum();
|
||||
instanceNumber = inst->secondary;
|
||||
}
|
||||
|
||||
void SingleApplicationPrivate::connectToPrimary( int msecs, ConnectionType connectionType )
|
||||
bool SingleApplicationPrivate::connectToPrimary( int msecs, ConnectionType connectionType )
|
||||
{
|
||||
QElapsedTimer time;
|
||||
time.start();
|
||||
|
||||
// Connect to the Local Server of the Primary Instance if not already
|
||||
// connected.
|
||||
if( socket == nullptr ) {
|
||||
if( socket == nullptr ){
|
||||
socket = new QLocalSocket();
|
||||
}
|
||||
|
||||
// If already connected - we are done;
|
||||
if( socket->state() == QLocalSocket::ConnectedState )
|
||||
return;
|
||||
if( socket->state() == QLocalSocket::ConnectedState ) return true;
|
||||
|
||||
// If not connect
|
||||
if( socket->state() == QLocalSocket::UnconnectedState ||
|
||||
socket->state() == QLocalSocket::ClosingState ) {
|
||||
socket->connectToServer( blockServerName );
|
||||
}
|
||||
if( socket->state() != QLocalSocket::ConnectedState ){
|
||||
|
||||
// Wait for being connected
|
||||
if( socket->state() == QLocalSocket::ConnectingState ) {
|
||||
socket->waitForConnected( msecs );
|
||||
while( true ){
|
||||
randomSleep();
|
||||
|
||||
if( socket->state() != QLocalSocket::ConnectingState )
|
||||
socket->connectToServer( blockServerName );
|
||||
|
||||
if( socket->state() == QLocalSocket::ConnectingState ){
|
||||
socket->waitForConnected( static_cast<int>(msecs - time.elapsed()) );
|
||||
}
|
||||
|
||||
// If connected break out of the loop
|
||||
if( socket->state() == QLocalSocket::ConnectedState ) break;
|
||||
|
||||
// If elapsed time since start is longer than the method timeout return
|
||||
if( time.elapsed() >= msecs ) return false;
|
||||
}
|
||||
}
|
||||
|
||||
// Initialisation message according to the SingleApplication protocol
|
||||
if( socket->state() == QLocalSocket::ConnectedState ) {
|
||||
// Notify the parent that a new instance had been started;
|
||||
QByteArray initMsg;
|
||||
QDataStream writeStream(&initMsg, QIODevice::WriteOnly);
|
||||
QByteArray initMsg;
|
||||
QDataStream writeStream(&initMsg, QIODevice::WriteOnly);
|
||||
|
||||
#if (QT_VERSION >= QT_VERSION_CHECK(5, 6, 0))
|
||||
writeStream.setVersion(QDataStream::Qt_5_6);
|
||||
writeStream.setVersion(QDataStream::Qt_5_6);
|
||||
#endif
|
||||
|
||||
writeStream << blockServerName.toLatin1();
|
||||
writeStream << static_cast<quint8>(connectionType);
|
||||
writeStream << instanceNumber;
|
||||
quint16 checksum = qChecksum(initMsg.constData(), static_cast<quint32>(initMsg.length()));
|
||||
writeStream << checksum;
|
||||
writeStream << blockServerName.toLatin1();
|
||||
writeStream << static_cast<quint8>(connectionType);
|
||||
writeStream << instanceNumber;
|
||||
#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
|
||||
quint16 checksum = qChecksum(QByteArray(initMsg, static_cast<quint32>(initMsg.length())));
|
||||
#else
|
||||
quint16 checksum = qChecksum(initMsg.constData(), static_cast<quint32>(initMsg.length()));
|
||||
#endif
|
||||
writeStream << checksum;
|
||||
|
||||
// The header indicates the message length that follows
|
||||
QByteArray header;
|
||||
QDataStream headerStream(&header, QIODevice::WriteOnly);
|
||||
// The header indicates the message length that follows
|
||||
QByteArray header;
|
||||
QDataStream headerStream(&header, QIODevice::WriteOnly);
|
||||
|
||||
#if (QT_VERSION >= QT_VERSION_CHECK(5, 6, 0))
|
||||
headerStream.setVersion(QDataStream::Qt_5_6);
|
||||
headerStream.setVersion(QDataStream::Qt_5_6);
|
||||
#endif
|
||||
headerStream << static_cast <quint64>( initMsg.length() );
|
||||
headerStream << static_cast <quint64>( initMsg.length() );
|
||||
|
||||
socket->write( header );
|
||||
socket->write( initMsg );
|
||||
socket->flush();
|
||||
socket->waitForBytesWritten( msecs );
|
||||
}
|
||||
socket->write( header );
|
||||
socket->write( initMsg );
|
||||
bool result = socket->waitForBytesWritten( static_cast<int>(msecs - time.elapsed()) );
|
||||
socket->flush();
|
||||
return result;
|
||||
}
|
||||
|
||||
quint16 SingleApplicationPrivate::blockChecksum()
|
||||
quint16 SingleApplicationPrivate::blockChecksum() const
|
||||
{
|
||||
return qChecksum(
|
||||
static_cast <const char *>( memory->data() ),
|
||||
offsetof( InstancesInfo, checksum )
|
||||
);
|
||||
#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
|
||||
quint16 checksum = qChecksum(QByteArray(static_cast<const char*>(memory->constData()), offsetof(InstancesInfo, checksum)));
|
||||
#else
|
||||
quint16 checksum = qChecksum(static_cast<const char*>(memory->constData()), offsetof(InstancesInfo, checksum));
|
||||
#endif
|
||||
return checksum;
|
||||
}
|
||||
|
||||
qint64 SingleApplicationPrivate::primaryPid()
|
||||
qint64 SingleApplicationPrivate::primaryPid() const
|
||||
{
|
||||
qint64 pid;
|
||||
|
||||
|
|
@ -273,7 +301,7 @@ qint64 SingleApplicationPrivate::primaryPid()
|
|||
return pid;
|
||||
}
|
||||
|
||||
QString SingleApplicationPrivate::primaryUser()
|
||||
QString SingleApplicationPrivate::primaryUser() const
|
||||
{
|
||||
QByteArray username;
|
||||
|
||||
|
|
@ -294,7 +322,7 @@ void SingleApplicationPrivate::slotConnectionEstablished()
|
|||
connectionMap.insert(nextConnSocket, ConnectionInfo());
|
||||
|
||||
QObject::connect(nextConnSocket, &QLocalSocket::aboutToClose,
|
||||
[nextConnSocket, this]() {
|
||||
[nextConnSocket, this](){
|
||||
auto &info = connectionMap[nextConnSocket];
|
||||
Q_EMIT this->slotClientConnectionClosed( nextConnSocket, info.instanceId );
|
||||
}
|
||||
|
|
@ -308,9 +336,9 @@ void SingleApplicationPrivate::slotConnectionEstablished()
|
|||
);
|
||||
|
||||
QObject::connect(nextConnSocket, &QLocalSocket::readyRead,
|
||||
[nextConnSocket, this]() {
|
||||
[nextConnSocket, this](){
|
||||
auto &info = connectionMap[nextConnSocket];
|
||||
switch(info.stage) {
|
||||
switch(info.stage){
|
||||
case StageHeader:
|
||||
readInitMessageHeader(nextConnSocket);
|
||||
break;
|
||||
|
|
@ -329,11 +357,11 @@ void SingleApplicationPrivate::slotConnectionEstablished()
|
|||
|
||||
void SingleApplicationPrivate::readInitMessageHeader( QLocalSocket *sock )
|
||||
{
|
||||
if (!connectionMap.contains( sock )) {
|
||||
if (!connectionMap.contains( sock )){
|
||||
return;
|
||||
}
|
||||
|
||||
if( sock->bytesAvailable() < ( qint64 )sizeof( quint64 ) ) {
|
||||
if( sock->bytesAvailable() < ( qint64 )sizeof( quint64 ) ){
|
||||
return;
|
||||
}
|
||||
|
||||
|
|
@ -350,7 +378,7 @@ void SingleApplicationPrivate::readInitMessageHeader( QLocalSocket *sock )
|
|||
info.stage = StageBody;
|
||||
info.msgLen = msgLen;
|
||||
|
||||
if ( sock->bytesAvailable() >= (qint64) msgLen ) {
|
||||
if ( sock->bytesAvailable() >= (qint64) msgLen ){
|
||||
readInitMessageBody( sock );
|
||||
}
|
||||
}
|
||||
|
|
@ -359,12 +387,12 @@ void SingleApplicationPrivate::readInitMessageBody( QLocalSocket *sock )
|
|||
{
|
||||
Q_Q(SingleApplication);
|
||||
|
||||
if (!connectionMap.contains( sock )) {
|
||||
if (!connectionMap.contains( sock )){
|
||||
return;
|
||||
}
|
||||
|
||||
ConnectionInfo &info = connectionMap[sock];
|
||||
if( sock->bytesAvailable() < ( qint64 )info.msgLen ) {
|
||||
if( sock->bytesAvailable() < ( qint64 )info.msgLen ){
|
||||
return;
|
||||
}
|
||||
|
||||
|
|
@ -394,13 +422,17 @@ void SingleApplicationPrivate::readInitMessageBody( QLocalSocket *sock )
|
|||
quint16 msgChecksum = 0;
|
||||
readStream >> msgChecksum;
|
||||
|
||||
const quint16 actualChecksum = qChecksum( msgBytes.constData(), static_cast<quint32>( msgBytes.length() - sizeof( quint16 ) ) );
|
||||
#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
|
||||
const quint16 actualChecksum = qChecksum(QByteArray(msgBytes, static_cast<quint32>(msgBytes.length() - sizeof(quint16))));
|
||||
#else
|
||||
const quint16 actualChecksum = qChecksum(msgBytes.constData(), static_cast<quint32>(msgBytes.length() - sizeof(quint16)));
|
||||
#endif
|
||||
|
||||
bool isValid = readStream.status() == QDataStream::Ok &&
|
||||
QLatin1String(latin1Name) == blockServerName &&
|
||||
msgChecksum == actualChecksum;
|
||||
|
||||
if( !isValid ) {
|
||||
if( !isValid ){
|
||||
sock->close();
|
||||
return;
|
||||
}
|
||||
|
|
@ -415,7 +447,7 @@ void SingleApplicationPrivate::readInitMessageBody( QLocalSocket *sock )
|
|||
Q_EMIT q->instanceStarted();
|
||||
}
|
||||
|
||||
if (sock->bytesAvailable() > 0) {
|
||||
if (sock->bytesAvailable() > 0){
|
||||
Q_EMIT this->slotDataAvailable( sock, instanceId );
|
||||
}
|
||||
}
|
||||
|
|
@ -431,3 +463,23 @@ void SingleApplicationPrivate::slotClientConnectionClosed( QLocalSocket *closedS
|
|||
if( closedSocket->bytesAvailable() > 0 )
|
||||
Q_EMIT slotDataAvailable( closedSocket, instanceId );
|
||||
}
|
||||
|
||||
void SingleApplicationPrivate::randomSleep()
|
||||
{
|
||||
#if QT_VERSION >= QT_VERSION_CHECK( 5, 10, 0 )
|
||||
QThread::msleep( QRandomGenerator::global()->bounded( 8u, 18u ));
|
||||
#else
|
||||
qsrand( QDateTime::currentMSecsSinceEpoch() % std::numeric_limits<uint>::max() );
|
||||
QThread::msleep( 8 + static_cast <unsigned long>( static_cast <float>( qrand() ) / RAND_MAX * 10 ));
|
||||
#endif
|
||||
}
|
||||
|
||||
void SingleApplicationPrivate::addAppData(const QString &data)
|
||||
{
|
||||
appDataList.push_back(data);
|
||||
}
|
||||
|
||||
QStringList SingleApplicationPrivate::appData() const
|
||||
{
|
||||
return appDataList;
|
||||
}
|
||||
|
|
@ -41,8 +41,8 @@ struct InstancesInfo {
|
|||
bool primary;
|
||||
quint32 secondary;
|
||||
qint64 primaryPid;
|
||||
quint16 checksum;
|
||||
char primaryUser[128];
|
||||
quint16 checksum; // Must be the last field
|
||||
};
|
||||
|
||||
struct ConnectionInfo {
|
||||
|
|
@ -70,17 +70,20 @@ public:
|
|||
SingleApplicationPrivate( SingleApplication *q_ptr );
|
||||
~SingleApplicationPrivate() override;
|
||||
|
||||
QString getUsername();
|
||||
static QString getUsername();
|
||||
void genBlockServerName();
|
||||
void initializeMemoryBlock();
|
||||
void initializeMemoryBlock() const;
|
||||
void startPrimary();
|
||||
void startSecondary();
|
||||
void connectToPrimary(int msecs, ConnectionType connectionType );
|
||||
quint16 blockChecksum();
|
||||
qint64 primaryPid();
|
||||
QString primaryUser();
|
||||
bool connectToPrimary( int msecs, ConnectionType connectionType );
|
||||
quint16 blockChecksum() const;
|
||||
qint64 primaryPid() const;
|
||||
QString primaryUser() const;
|
||||
void readInitMessageHeader(QLocalSocket *socket);
|
||||
void readInitMessageBody(QLocalSocket *socket);
|
||||
static void randomSleep();
|
||||
void addAppData(const QString &data);
|
||||
QStringList appData() const;
|
||||
|
||||
SingleApplication *q_ptr;
|
||||
QSharedMemory *memory;
|
||||
|
|
@ -90,6 +93,7 @@ public:
|
|||
QString blockServerName;
|
||||
SingleApplication::Options options;
|
||||
QMap<QLocalSocket*, ConnectionInfo> connectionMap;
|
||||
QStringList appDataList;
|
||||
|
||||
public Q_SLOTS:
|
||||
void slotConnectionEstablished();
|
||||
Loading…
Reference in a new issue