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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Copyright (C) 2016 Intel Corporation.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtDBus 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 "qdbusserver.h"
#include "qdbusconnection_p.h"
#include "qdbusconnectionmanager_p.h"
#include "qdbusutil_p.h"
#include <QtCore/private/qlocking_p.h>
#ifndef QT_NO_DBUS
QT_BEGIN_NAMESPACE
/*!
\class QDBusServer
\inmodule QtDBus
\brief The QDBusServer class provides peer-to-peer communication
between processes on the same computer.
*/
/*!
Constructs a QDBusServer with the given \a address, and the given
\a parent.
*/
QDBusServer::QDBusServer(const QString &address, QObject *parent)
: QObject(parent), d(nullptr)
{
if (address.isEmpty())
return;
if (!qdbus_loadLibDBus())
return;
QDBusConnectionManager *instance = QDBusConnectionManager::instance();
if (!instance)
return;
emit instance->serverRequested(address, this);
QObject::connect(d, SIGNAL(newServerConnection(QDBusConnectionPrivate*)),
this, SLOT(_q_newConnection(QDBusConnectionPrivate*)), Qt::QueuedConnection);
}
/*!
Constructs a QDBusServer with the given \a parent. The server will listen
for connections in \c {/tmp} (on Unix systems) or on a TCP port bound to
localhost (elsewhere).
*/
QDBusServer::QDBusServer(QObject *parent)
: QObject(parent), d(nullptr)
{
#ifdef Q_OS_UNIX
// Use Unix sockets on Unix systems only
const QString address = QStringLiteral("unix:tmpdir=/tmp");
#else
const QString address = QStringLiteral("tcp:");
#endif
if (!qdbus_loadLibDBus())
return;
QDBusConnectionManager *instance = QDBusConnectionManager::instance();
if (!instance)
return;
emit instance->serverRequested(address, this);
QObject::connect(d, SIGNAL(newServerConnection(QDBusConnectionPrivate*)),
this, SLOT(_q_newConnection(QDBusConnectionPrivate*)), Qt::QueuedConnection);
}
/*!
Destructs a QDBusServer
*/
QDBusServer::~QDBusServer()
{
QMutex *managerMutex = nullptr;
if (QDBusConnectionManager::instance())
managerMutex = &QDBusConnectionManager::instance()->mutex;
QMutexLocker locker(managerMutex);
QWriteLocker writeLocker(&d->lock);
if (QDBusConnectionManager::instance()) {
for (const QString &name : qAsConst(d->serverConnectionNames))
QDBusConnectionManager::instance()->removeConnection(name);
d->serverConnectionNames.clear();
locker.unlock();
}
d->serverObject = nullptr;
d->ref.storeRelaxed(0);
d->deleteLater();
}
/*!
Returns \c true if this QDBusServer object is connected.
If it isn't connected, you need to call the constructor again.
*/
bool QDBusServer::isConnected() const
{
return d && d->server && q_dbus_server_get_is_connected(d->server);
}
/*!
Returns the last error that happened in this server.
This function is provided for low-level code.
*/
QDBusError QDBusServer::lastError() const
{
return d ? d->lastError : QDBusError(QDBusError::Disconnected, QDBusUtil::disconnectedErrorMessage());
}
/*!
Returns the address this server is associated with.
*/
QString QDBusServer::address() const
{
QString addr;
if (d && d->server) {
char *c = q_dbus_server_get_address(d->server);
addr = QString::fromUtf8(c);
q_dbus_free(c);
}
return addr;
}
/*!
\since 5.3
If \a value is set to true, an incoming connection can proceed even if the
connecting client is not authenticated as a user.
By default, this value is false.
\sa isAnonymousAuthenticationAllowed()
*/
void QDBusServer::setAnonymousAuthenticationAllowed(bool value)
{
d->anonymousAuthenticationAllowed = value;
}
/*!
\since 5.3
Returns true if anonymous authentication is allowed.
\sa setAnonymousAuthenticationAllowed()
*/
bool QDBusServer::isAnonymousAuthenticationAllowed() const
{
return d->anonymousAuthenticationAllowed;
}
/*!
\fn void QDBusServer::newConnection(const QDBusConnection &connection)
This signal is emitted when a new client connection \a connection is
established to the server.
*/
QT_END_NAMESPACE
#include "moc_qdbusserver.cpp"
#endif // QT_NO_DBUS
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