Merge QRfcommServer and QL2capServer to QBluetoothServer

Task-number: QTBUG-32722

Change-Id: Ia75ad5af2f81b737a8cca09dba919a7dc0fa0f8a
Reviewed-by: Alex Blasche <alexander.blasche@digia.com>

1 files changed, 315 insertions, 0 deletions

diff --git a/src/bluetooth/qbluetoothserver_bluez.cpp b/src/bluetooth/qbluetoothserver_bluez.cpp
new file mode 100644
index 00000000..82f9bc53
--- /dev/null
+++ b/src/bluetooth/qbluetoothserver_bluez.cpp
@@ -0,0 +1,315 @@
+/****************************************************************************
+**
+** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** 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 Digia.  For licensing terms and
+** conditions see http://qt.digia.com/licensing.  For further information
+** use the contact form at http://qt.digia.com/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 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Digia gives you certain additional
+** rights.  These rights are described in the Digia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qbluetoothserver.h"
+#include "qbluetoothserver_p.h"
+#include "qbluetoothsocket.h"
+
+#include <QtCore/QSocketNotifier>
+
+#include <QtCore/QDebug>
+
+#include <bluetooth/bluetooth.h>
+#include <bluetooth/rfcomm.h>
+#include <bluetooth/l2cap.h>
+
+#include <errno.h>
+
+QT_BEGIN_NAMESPACE_BLUETOOTH
+
+static inline void convertAddress(quint64 from, quint8 (&to)[6])
+{
+    to[0] = (from >> 0) & 0xff;
+    to[1] = (from >> 8) & 0xff;
+    to[2] = (from >> 16) & 0xff;
+    to[3] = (from >> 24) & 0xff;
+    to[4] = (from >> 32) & 0xff;
+    to[5] = (from >> 40) & 0xff;
+}
+
+QBluetoothServerPrivate::QBluetoothServerPrivate(QBluetoothServer::ServerType sType)
+    :   maxPendingConnections(1), socketNotifier(0), serverType(sType)
+{
+    if (sType == QBluetoothServer::RfcommServer)
+        socket = new QBluetoothSocket(QBluetoothSocket::RfcommSocket);
+    else
+       socket = new QBluetoothSocket(QBluetoothSocket::L2capSocket);
+}
+
+QBluetoothServerPrivate::~QBluetoothServerPrivate()
+{
+    delete socketNotifier;
+
+    delete socket;
+}
+
+void QBluetoothServerPrivate::_q_newConnection()
+{
+    // disable socket notifier until application calls nextPendingConnection().
+    socketNotifier->setEnabled(false);
+
+    emit q_ptr->newConnection();
+}
+
+void QBluetoothServer::close()
+{
+    Q_D(QBluetoothServer);
+
+    delete d->socketNotifier;
+    d->socketNotifier = 0;
+
+    d->socket->close();
+}
+
+bool QBluetoothServer::listen(const QBluetoothAddress &address, quint16 port)
+{
+    Q_D(QBluetoothServer);
+
+    int sock = d->socket->socketDescriptor();
+    if (sock < 0)
+        return false;
+
+    if (d->serverType == RfcommServer) {
+        sockaddr_rc addr;
+
+        addr.rc_family = AF_BLUETOOTH;
+        addr.rc_channel = port;
+
+        if (!address.isNull())
+            convertAddress(address.toUInt64(), addr.rc_bdaddr.b);
+        else
+            convertAddress(Q_UINT64_C(0), addr.rc_bdaddr.b);
+
+
+        if (::bind(sock, reinterpret_cast<sockaddr *>(&addr), sizeof(sockaddr_rc)) < 0)
+            return false;
+    } else {
+        sockaddr_l2 addr;
+
+        memset(&addr, 0, sizeof(sockaddr_l2));
+        addr.l2_family = AF_BLUETOOTH;
+        addr.l2_psm = port;
+
+        if (!address.isNull())
+            convertAddress(address.toUInt64(), addr.l2_bdaddr.b);
+        else
+            convertAddress(Q_UINT64_C(0), addr.l2_bdaddr.b);
+
+        if (::bind(sock, reinterpret_cast<sockaddr *>(&addr), sizeof(sockaddr_l2)) < 0)
+            return false;
+    }
+
+    if (::listen(sock, d->maxPendingConnections) < 0)
+        return false;
+
+    d->socket->setSocketState(QBluetoothSocket::ListeningState);
+
+    if (!d->socketNotifier) {
+        d->socketNotifier = new QSocketNotifier(d->socket->socketDescriptor(),
+                                                QSocketNotifier::Read);
+        connect(d->socketNotifier, SIGNAL(activated(int)), this, SLOT(_q_newConnection()));
+    }
+
+    return true;
+}
+
+void QBluetoothServer::setMaxPendingConnections(int numConnections)
+{
+    Q_D(QBluetoothServer);
+
+    if (d->socket->state() == QBluetoothSocket::UnconnectedState)
+        d->maxPendingConnections = numConnections;
+}
+
+bool QBluetoothServer::hasPendingConnections() const
+{
+    Q_D(const QBluetoothServer);
+
+    if (!d || !d->socketNotifier)
+        return false;
+
+    // if the socket notifier is disable there is a pending connection waiting for us to accept.
+    return !d->socketNotifier->isEnabled();
+}
+
+QBluetoothSocket *QBluetoothServer::nextPendingConnection()
+{
+    Q_D(QBluetoothServer);
+
+    if (!hasPendingConnections())
+        return 0;
+
+    int pending;
+    if (d->serverType == RfcommServer) {
+        sockaddr_rc addr;
+        socklen_t length = sizeof(sockaddr_rc);
+        pending = ::accept(d->socket->socketDescriptor(),
+                               reinterpret_cast<sockaddr *>(&addr), &length);
+    } else {
+        sockaddr_l2 addr;
+        socklen_t length = sizeof(sockaddr_l2);
+        pending = ::accept(d->socket->socketDescriptor(),
+                               reinterpret_cast<sockaddr *>(&addr), &length);
+    }
+
+    if (pending >= 0) {
+        QBluetoothSocket *newSocket = new QBluetoothSocket;
+        if (d->serverType == RfcommServer)
+            newSocket->setSocketDescriptor(pending, QBluetoothSocket::RfcommSocket);
+        else
+            newSocket->setSocketDescriptor(pending, QBluetoothSocket::L2capSocket);
+
+        d->socketNotifier->setEnabled(true);
+
+        return newSocket;
+    } else {
+        d->socketNotifier->setEnabled(true);
+    }
+
+    return 0;
+}
+
+QBluetoothAddress QBluetoothServer::serverAddress() const
+{
+    Q_D(const QBluetoothServer);
+
+    return d->socket->localAddress();
+}
+
+quint16 QBluetoothServer::serverPort() const
+{
+    Q_D(const QBluetoothServer);
+
+    return d->socket->localPort();
+}
+
+void QBluetoothServer::setSecurityFlags(QBluetooth::SecurityFlags security)
+{
+    Q_D(QBluetoothServer);
+
+    int lm = 0;
+    if (security == QBluetooth::NoSecurity)
+        lm = 0;
+
+    if (d->serverType == RfcommServer) {
+        if (security.testFlag(QBluetooth::Authorization))
+            lm |= RFCOMM_LM_AUTH;
+        if (security.testFlag(QBluetooth::Authentication))
+            lm |= RFCOMM_LM_TRUSTED;
+        if (security.testFlag(QBluetooth::Encryption))
+            lm |= RFCOMM_LM_ENCRYPT;
+        if (security.testFlag(QBluetooth::Secure))
+            lm |= RFCOMM_LM_SECURE;
+
+        qDebug() << hex << "Setting lm to" << lm << security;
+
+        if (setsockopt(d->socket->socketDescriptor(), SOL_RFCOMM, RFCOMM_LM, &lm, sizeof(lm)) < 0){
+            qWarning() << "Failed to set socket option, closing socket for safety" << errno;
+            qWarning() << "Error: " << strerror(errno);
+            d->socket->close();
+        }
+    } else {
+        if (security.testFlag(QBluetooth::Authorization))
+            lm |= L2CAP_LM_AUTH;
+        if (security.testFlag(QBluetooth::Authentication))
+            lm |= L2CAP_LM_TRUSTED;
+        if (security.testFlag(QBluetooth::Encryption))
+            lm |= L2CAP_LM_ENCRYPT;
+        if (security.testFlag(QBluetooth::Secure))
+            lm |= L2CAP_LM_SECURE;
+
+        if (setsockopt(d->socket->socketDescriptor(), SOL_L2CAP, L2CAP_LM, &lm, sizeof(lm)) < 0){
+            qWarning() << "Failed to set socket option, closing socket for safety" << errno;
+            qWarning() << "Error: " << strerror(errno);
+            d->socket->close();
+        }
+    }
+
+}
+
+QBluetooth::SecurityFlags QBluetoothServer::securityFlags() const
+{
+    Q_D(const QBluetoothServer);
+
+    int lm = 0;
+    int len = sizeof(lm);
+    int security = QBluetooth::NoSecurity;
+
+    if (d->serverType == RfcommServer) {
+        if (getsockopt(d->socket->socketDescriptor(), SOL_RFCOMM, RFCOMM_LM, &lm, (socklen_t *)&len) < 0) {
+            qWarning() << "Failed to get security flags" << strerror(errno);
+            return QBluetooth::NoSecurity;
+        }
+
+        if (lm & RFCOMM_LM_SECURE)
+            security |= QBluetooth::Secure;
+
+        if (lm & RFCOMM_LM_ENCRYPT)
+            security |= QBluetooth::Encryption;
+
+        if (lm & RFCOMM_LM_TRUSTED)
+            security |= QBluetooth::Authentication;
+
+        if (lm & RFCOMM_LM_AUTH)
+            security |= QBluetooth::Authorization;
+    } else {
+        if (getsockopt(d->socket->socketDescriptor(), SOL_L2CAP, L2CAP_LM, &lm, (socklen_t *)&len) < 0) {
+            qWarning() << "Failed to get security flags" << strerror(errno);
+            return QBluetooth::NoSecurity;
+        }
+
+        if (lm & L2CAP_LM_SECURE)
+            security |= QBluetooth::Secure;
+
+        if (lm & L2CAP_LM_ENCRYPT)
+            security |= QBluetooth::Encryption;
+
+        if (lm & L2CAP_LM_TRUSTED)
+            security |= QBluetooth::Authentication;
+
+        if (lm & L2CAP_LM_AUTH)
+            security |= QBluetooth::Authorization;
+    }
+
+    return static_cast<QBluetooth::Security>(security);
+}
+
+QT_END_NAMESPACE_BLUETOOTH