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++ // Copyright (C) 2017 The Qt Company Ltd.
++ // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
++
++ #include "qbluetoothserver.h"
++ #include "qbluetoothserver_p.h"
++ #include "qbluetoothsocket.h"
++ #include "qbluetoothlocaldevice.h"
++ #include "qbluetoothsocket_winrt_p.h"
++ #include "qbluetoothutils_winrt_p.h"
++
++ #include <QtCore/QLoggingCategory>
++ #include <QtCore/private/qfunctions_winrt_p.h>
++
++ #include <windows.networking.h>
++ #include <windows.networking.connectivity.h>
++ #include <windows.networking.sockets.h>
++
++ using namespace Microsoft::WRL;
++ using namespace Microsoft::WRL::Wrappers;
++ using namespace ABI::Windows::Devices;
++ using namespace ABI::Windows::Devices::Enumeration;
++ using namespace ABI::Windows::Foundation;
++ using namespace ABI::Windows::Networking;
++ using namespace ABI::Windows::Networking::Sockets;
++ using namespace ABI::Windows::Networking::Connectivity;
++
++ typedef ITypedEventHandler<StreamSocketListener *, StreamSocketListenerConnectionReceivedEventArgs *> ClientConnectedHandler;
++
++ QT_BEGIN_NAMESPACE
++
++ Q_DECLARE_LOGGING_CATEGORY(QT_BT_WINDOWS)
++
++ QHash<QBluetoothServerPrivate *, int> __fakeServerPorts;
++
++ QBluetoothServerPrivate::QBluetoothServerPrivate(QBluetoothServiceInfo::Protocol sType,
++ QBluetoothServer *parent)
++ : serverType(sType), q_ptr(parent)
++ {
++ threadCoInit(this);
++ }
++
++ QBluetoothServerPrivate::~QBluetoothServerPrivate()
++ {
++ deactivateActiveListening();
++ __fakeServerPorts.remove(this);
++ // If we do not reset that pointer, socketListener will go out of scope after CoUninitialize was
++ // called, which will lead to a crash.
++ socketListener = nullptr;
++ threadCoUninit(this);
++ }
++
++ bool QBluetoothServerPrivate::isListening() const
++ {
++ return __fakeServerPorts.contains(const_cast<QBluetoothServerPrivate *>(this));
++ }
++
++ bool QBluetoothServerPrivate::initiateActiveListening(const QString &serviceName)
++ {
++ HStringReference serviceNameRef(reinterpret_cast<LPCWSTR>(serviceName.utf16()));
++
++ ComPtr<IAsyncAction> bindAction;
++ HRESULT hr = socketListener->BindServiceNameAsync(serviceNameRef.Get(), &bindAction);
++ Q_ASSERT_SUCCEEDED(hr);
++ hr = QWinRTFunctions::await(bindAction);
++ Q_ASSERT_SUCCEEDED(hr);
++ return true;
++ }
++
++ bool QBluetoothServerPrivate::deactivateActiveListening()
++ {
++ if (!isListening())
++ return true;
++
++ HRESULT hr;
++ hr = socketListener->remove_ConnectionReceived(connectionToken);
++ Q_ASSERT_SUCCEEDED(hr);
++ return true;
++ }
++
++ HRESULT QBluetoothServerPrivate::handleClientConnection(IStreamSocketListener *listener,
++ IStreamSocketListenerConnectionReceivedEventArgs *args)
++ {
++ Q_Q(QBluetoothServer);
++ if (!socketListener || socketListener.Get() != listener) {
++ qCDebug(QT_BT_WINDOWS) << "Accepting connection from wrong listener. We should not be here.";
++ Q_UNREACHABLE();
++ return S_OK;
++ }
++
++ HRESULT hr;
++ ComPtr<IStreamSocket> socket;
++ hr = args->get_Socket(&socket);
++ Q_ASSERT_SUCCEEDED(hr);
++ QMutexLocker locker(&pendingConnectionsMutex);
++ if (pendingConnections.size() < maxPendingConnections) {
++ qCDebug(QT_BT_WINDOWS) << "Accepting connection";
++ pendingConnections.append(socket);
++ locker.unlock();
++ q->newConnection();
++ } else {
++ qCDebug(QT_BT_WINDOWS) << "Refusing connection";
++ }
++
++ return S_OK;
++ }
++
++ void QBluetoothServer::close()
++ {
++ Q_D(QBluetoothServer);
++
++ d->deactivateActiveListening();
++ __fakeServerPorts.remove(d);
++ }
++
++ bool QBluetoothServer::listen(const QBluetoothAddress &address, quint16 port)
++ {
++ Q_UNUSED(address);
++ Q_D(QBluetoothServer);
++ if (serverType() != QBluetoothServiceInfo::RfcommProtocol) {
++ d->m_lastError = UnsupportedProtocolError;
++ emit errorOccurred(d->m_lastError);
++ return false;
++ }
++
++ if (isListening())
++ return false;
++
++ HRESULT hr = RoActivateInstance(HString::MakeReference(RuntimeClass_Windows_Networking_Sockets_StreamSocketListener).Get(),
++ &d->socketListener);
++ Q_ASSERT_SUCCEEDED(hr);
++ hr = d->socketListener->add_ConnectionReceived(Callback<ClientConnectedHandler>(d, &QBluetoothServerPrivate::handleClientConnection).Get(),
++ &d->connectionToken);
++ Q_ASSERT_SUCCEEDED(hr);
++
++ //We can not register an actual Rfcomm port, because the platform does not allow it
++ //but we need a way to associate a server with a service
++ if (port == 0) { //Try to assign a non taken port id
++ for (int i = 1; ; i++){
++ if (__fakeServerPorts.key(i) == 0) {
++ port = i;
++ break;
++ }
++ }
++ }
++
++ if (__fakeServerPorts.key(port) == 0) {
++ __fakeServerPorts[d] = port;
++
++ qCDebug(QT_BT_WINDOWS) << "Port" << port << "registered";
++ } else {
++ qCWarning(QT_BT_WINDOWS) << "server with port" << port << "already registered or port invalid";
++ d->m_lastError = ServiceAlreadyRegisteredError;
++ emit errorOccurred(d->m_lastError);
++ return false;
++ }
++
++ return true;
++ }
++
++ void QBluetoothServer::setMaxPendingConnections(int numConnections)
++ {
++ Q_D(QBluetoothServer);
++ QMutexLocker locker(&d->pendingConnectionsMutex);
++ if (d->pendingConnections.size() > numConnections) {
++ qCWarning(QT_BT_WINDOWS) << "There are currently more than" << numConnections << "connections"
++ << "pending. Number of maximum pending connections was not changed.";
++ return;
++ }
++
++ d->maxPendingConnections = numConnections;
++ }
++
++ bool QBluetoothServer::hasPendingConnections() const
++ {
++ Q_D(const QBluetoothServer);
++ QMutexLocker locker(&d->pendingConnectionsMutex);
++ return !d->pendingConnections.isEmpty();
++ }
++
++ QBluetoothSocket *QBluetoothServer::nextPendingConnection()
++ {
++ Q_D(QBluetoothServer);
++ if (d->pendingConnections.isEmpty())
++ return nullptr;
++
++ ComPtr<IStreamSocket> socket = d->pendingConnections.takeFirst();
++
++ QBluetoothSocket *newSocket = new QBluetoothSocket();
++ bool success = newSocket->d_ptr->setSocketDescriptor(socket, d->serverType);
++ if (!success) {
++ delete newSocket;
++ newSocket = nullptr;
++ }
++
++ return newSocket;
++ }
++
++ QBluetoothAddress QBluetoothServer::serverAddress() const
++ {
++ QList<QBluetoothHostInfo> hosts = QBluetoothLocalDevice::allDevices();
++
++ if (hosts.isEmpty())
++ return QBluetoothAddress();
++ else
++ return hosts.at(0).address();
++ }
++
++ quint16 QBluetoothServer::serverPort() const
++ {
++ //We return the fake port
++ Q_D(const QBluetoothServer);
++ return __fakeServerPorts.value((QBluetoothServerPrivate*)d, 0);
++ }
++
++ void QBluetoothServer::setSecurityFlags(QBluetooth::SecurityFlags security)
++ {
++ Q_UNUSED(security);
++ }
++
++ QBluetooth::SecurityFlags QBluetoothServer::securityFlags() const
++ {
++ return QBluetooth::Security::NoSecurity;
++ }
++
++ QT_END_NAMESPACE