Add separate interfaces for QBluetoothSocketPrivate on Linux

Uses the new QBluetoothSocketBasePrivate interface to separate the Linux
implementations from other platforms. On Linux, there will be the
existing raw socket implementation and a BlueZ5 DBus implementation.
The DBus implementation is required for very recent Bluez5 deployments
(v5.4x+) which restrict access to traditional SDP discovery means like
sdptool.

For now the DBus implementation is non-existing/dysfunctional.

Task-number: QTBUG-68550
Change-Id: Idd248ecdb2a443a95cde521ced929218d40df3fe
Reviewed-by: Lubomir I. Ivanov <neolit123@gmail.com>
Reviewed-by: Oliver Wolff <oliver.wolff@qt.io>

1 files changed, 159 insertions, 0 deletions

diff --git a/src/bluetooth/qbluetoothsocket_bluezdbus.cpp b/src/bluetooth/qbluetoothsocket_bluezdbus.cpp
new file mode 100644
index 00000000..2dbbd425
--- /dev/null
+++ b/src/bluetooth/qbluetoothsocket_bluezdbus.cpp
@@ -0,0 +1,159 @@
+/****************************************************************************
+**
+** Copyright (C) 2018 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the QtBluetooth module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 3 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL3 included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 3 requirements
+** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 2.0 or (at your option) the GNU General
+** Public license version 3 or any later version approved by the KDE Free
+** Qt Foundation. The licenses are as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-2.0.html and
+** https://www.gnu.org/licenses/gpl-3.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qbluetoothsocket.h"
+#include "qbluetoothsocket_bluezdbus_p.h"
+
+QT_BEGIN_NAMESPACE
+QBluetoothSocketPrivateBluezDBus::QBluetoothSocketPrivateBluezDBus()
+{
+    secFlags = QBluetooth::NoSecurity;
+}
+
+QBluetoothSocketPrivateBluezDBus::~QBluetoothSocketPrivateBluezDBus()
+{
+}
+
+bool QBluetoothSocketPrivateBluezDBus::ensureNativeSocket(QBluetoothServiceInfo::Protocol type)
+{
+    socketType = type;
+    return false;
+}
+
+void QBluetoothSocketPrivateBluezDBus::connectToService(const QBluetoothAddress &address, quint16 port, QIODevice::OpenMode openMode)
+{
+    Q_UNUSED(openMode);
+    Q_UNUSED(address);
+    Q_UNUSED(port);
+}
+
+void QBluetoothSocketPrivateBluezDBus::abort()
+{
+}
+
+QString QBluetoothSocketPrivateBluezDBus::localName() const
+{
+    return QString();
+}
+
+QBluetoothAddress QBluetoothSocketPrivateBluezDBus::localAddress() const
+{
+    return QBluetoothAddress();
+}
+
+quint16 QBluetoothSocketPrivateBluezDBus::localPort() const
+{
+    return 0;
+}
+
+QString QBluetoothSocketPrivateBluezDBus::peerName() const
+{
+    return QString();
+}
+
+QBluetoothAddress QBluetoothSocketPrivateBluezDBus::peerAddress() const
+{
+    return QBluetoothAddress();
+}
+
+quint16 QBluetoothSocketPrivateBluezDBus::peerPort() const
+{
+    return 0;
+}
+
+qint64 QBluetoothSocketPrivateBluezDBus::writeData(const char *data, qint64 maxSize)
+{
+    Q_UNUSED(data);
+    Q_UNUSED(maxSize);
+
+    Q_Q(QBluetoothSocket);
+
+    if (state != QBluetoothSocket::ConnectedState) {
+        errorString = QBluetoothSocket::tr("Cannot write while not connected");
+        q->setSocketError(QBluetoothSocket::OperationError);
+        return -1;
+    }
+    return -1;
+}
+
+qint64 QBluetoothSocketPrivateBluezDBus::readData(char *data, qint64 maxSize)
+{
+    Q_UNUSED(data);
+    Q_UNUSED(maxSize);
+
+    Q_Q(QBluetoothSocket);
+
+    if (state != QBluetoothSocket::ConnectedState) {
+        errorString = QBluetoothSocket::tr("Cannot read while not connected");
+        q->setSocketError(QBluetoothSocket::OperationError);
+        return -1;
+    }
+
+    return -1;
+}
+
+void QBluetoothSocketPrivateBluezDBus::close()
+{
+}
+
+bool QBluetoothSocketPrivateBluezDBus::setSocketDescriptor(int socketDescriptor, QBluetoothServiceInfo::Protocol socketType,
+                                           QBluetoothSocket::SocketState socketState, QBluetoothSocket::OpenMode openMode)
+{
+    Q_UNUSED(socketDescriptor);
+    Q_UNUSED(socketType)
+    Q_UNUSED(socketState);
+    Q_UNUSED(openMode);
+    return false;
+}
+
+qint64 QBluetoothSocketPrivateBluezDBus::bytesAvailable() const
+{
+    return 0;
+}
+
+bool QBluetoothSocketPrivateBluezDBus::canReadLine() const
+{
+    return false;
+}
+
+qint64 QBluetoothSocketPrivateBluezDBus::bytesToWrite() const
+{
+    return 0;
+}
+QT_END_NAMESPACE