+}
+
+
+void Core::cacheSysIdent()
+{
+ if (isConfigured()) {
+ _authUserNames = _storage->getAllAuthUserNames();
+ }
+}
+
+
+QString Core::strictSysIdent(UserId user) const
+{
+ if (_authUserNames.contains(user)) {
+ return _authUserNames[user];
+ }
+
+ // A new user got added since we last pulled our cache from the database.
+ // There's no way to avoid a database hit - we don't even know the authname!
+ instance()->cacheSysIdent();
+
+ if (_authUserNames.contains(user)) {
+ return _authUserNames[user];
+ }
+
+ // ...something very weird is going on if we ended up here (an active CoreSession without a corresponding database entry?)
+ qWarning().nospace() << "Unable to find authusername for UserId " << user << ", this should never happen!";
+ return "unknown"; // Should we just terminate the program instead?
+}
+
+
+bool Core::startListening()
+{
+ // in mono mode we only start a local port if a port is specified in the cli call
+ if (Quassel::runMode() == Quassel::Monolithic && !Quassel::isOptionSet("port"))
+ return true;
+
+ bool success = false;
+ uint port = Quassel::optionValue("port").toUInt();
+
+ const QString listen = Quassel::optionValue("listen");
+ const QStringList listen_list = listen.split(",", QString::SkipEmptyParts);
+ if (listen_list.size() > 0) {
+ foreach(const QString listen_term, listen_list) { // TODO: handle multiple interfaces for same TCP version gracefully
+ QHostAddress addr;
+ if (!addr.setAddress(listen_term)) {
+ qCritical() << qPrintable(
+ tr("Invalid listen address %1")
+ .arg(listen_term)
+ );
+ }
+ else {
+ switch (addr.protocol()) {
+ case QAbstractSocket::IPv6Protocol:
+ if (_v6server.listen(addr, port)) {
+ quInfo() << qPrintable(
+ tr("Listening for GUI clients on IPv6 %1 port %2 using protocol version %3")
+ .arg(addr.toString())
+ .arg(_v6server.serverPort())
+ .arg(Quassel::buildInfo().protocolVersion)
+ );
+ success = true;
+ }
+ else
+ quWarning() << qPrintable(
+ tr("Could not open IPv6 interface %1:%2: %3")
+ .arg(addr.toString())
+ .arg(port)
+ .arg(_v6server.errorString()));
+ break;
+ case QAbstractSocket::IPv4Protocol:
+ if (_server.listen(addr, port)) {
+ quInfo() << qPrintable(
+ tr("Listening for GUI clients on IPv4 %1 port %2 using protocol version %3")
+ .arg(addr.toString())
+ .arg(_server.serverPort())
+ .arg(Quassel::buildInfo().protocolVersion)
+ );
+ success = true;
+ }
+ else {
+ // if v6 succeeded on Any, the port will be already in use - don't display the error then
+ if (!success || _server.serverError() != QAbstractSocket::AddressInUseError)
+ quWarning() << qPrintable(
+ tr("Could not open IPv4 interface %1:%2: %3")
+ .arg(addr.toString())
+ .arg(port)
+ .arg(_server.errorString()));
+ }
+ break;
+ default:
+ qCritical() << qPrintable(
+ tr("Invalid listen address %1, unknown network protocol")
+ .arg(listen_term)
+ );
+ break;
+ }
+ }
+ }
+ }
+ if (!success)
+ quError() << qPrintable(tr("Could not open any network interfaces to listen on!"));
+
+ if (_identServer) {
+ _identServer->startListening();
+ }
+
+ return success;
+}
+
+
+void Core::stopListening(const QString &reason)
+{
+ if (_identServer) {
+ _identServer->stopListening(reason);
+ }
+
+ bool wasListening = false;
+ if (_server.isListening()) {
+ wasListening = true;
+ _server.close();
+ }
+ if (_v6server.isListening()) {
+ wasListening = true;
+ _v6server.close();
+ }
+ if (wasListening) {
+ if (reason.isEmpty())
+ quInfo() << "No longer listening for GUI clients.";
+ else
+ quInfo() << qPrintable(reason);
+ }
+}
+
+
+void Core::incomingConnection()
+{
+ auto *server = qobject_cast<QTcpServer *>(sender());
+ Q_ASSERT(server);
+ while (server->hasPendingConnections()) {
+ QTcpSocket *socket = server->nextPendingConnection();
+
+ auto *handler = new CoreAuthHandler(socket, this);
+ _connectingClients.insert(handler);
+
+ connect(handler, &AuthHandler::disconnected, this, &Core::clientDisconnected);
+ connect(handler, &AuthHandler::socketError, this, &Core::socketError);
+ connect(handler, &CoreAuthHandler::handshakeComplete, this, &Core::setupClientSession);
+
+ quInfo() << qPrintable(tr("Client connected from")) << qPrintable(socket->peerAddress().toString());
+
+ if (!_configured) {
+ stopListening(tr("Closing server for basic setup."));
+ }
+ }
+}
+