kde-playground/akonadi/rds/bridgeconnection.cpp
2015-09-23 09:37:02 +00:00

121 lines
5.3 KiB
C++

/***************************************************************************
* Copyright (C) 2010 by Volker Krause <vkrause@kde.org> *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU Library General Public License as *
* published by the Free Software Foundation; either version 2 of the *
* License, or (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU Library General Public *
* License along with this program; if not, write to the *
* Free Software Foundation, Inc., *
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. *
***************************************************************************/
#include "bridgeconnection.h"
#include <shared/akstandarddirs.h>
#include <QtCore/QDebug>
#include <QtCore/QMetaObject>
#include <QtCore/QRegExp>
#include <QtCore/QSettings>
#include <QtNetwork/QLocalSocket>
#include <QtNetwork/QTcpSocket>
#ifdef Q_OS_UNIX
#include <sys/socket.h>
#include <sys/un.h>
#endif
BridgeConnection::BridgeConnection( QTcpSocket *remoteSocket, QObject *parent )
: QObject( parent )
, m_localSocket( 0 )
, m_remoteSocket( remoteSocket )
{
// wait for the vtable to be complete
QMetaObject::invokeMethod( this, "doConnects", Qt::QueuedConnection );
QMetaObject::invokeMethod( this, "connectLocal", Qt::QueuedConnection );
}
BridgeConnection::~BridgeConnection()
{
delete m_remoteSocket;
}
void BridgeConnection::slotDataAvailable()
{
if ( m_localSocket->bytesAvailable() > 0 ) {
m_remoteSocket->write( m_localSocket->read( m_localSocket->bytesAvailable() ) );
}
if ( m_remoteSocket->bytesAvailable() > 0 ) {
m_localSocket->write( m_remoteSocket->read( m_remoteSocket->bytesAvailable() ) );
}
}
AkonadiBridgeConnection::AkonadiBridgeConnection( QTcpSocket *remoteSocket, QObject *parent )
: BridgeConnection( remoteSocket, parent )
{
m_localSocket = new QLocalSocket( this );
}
void AkonadiBridgeConnection::connectLocal()
{
const QSettings connectionSettings( AkStandardDirs::connectionConfigFile(), QSettings::IniFormat );
#ifdef Q_OS_WIN //krazy:exclude=cpp
const QString namedPipe = connectionSettings.value( QLatin1String( "Data/NamedPipe" ), QLatin1String( "Akonadi" ) ).toString();
( static_cast<QLocalSocket *>( m_localSocket ) )->connectToServer( namedPipe );
#else
const QString defaultSocketDir = AkStandardDirs::saveDir( "data" );
const QString path = connectionSettings.value( QLatin1String( "Data/UnixPath" ), QString( defaultSocketDir + QLatin1String( "/akonadiserver.socket" ) ) ).toString();
( static_cast<QLocalSocket *>( m_localSocket ) )->connectToServer( path );
#endif
}
DBusBridgeConnection::DBusBridgeConnection( QTcpSocket *remoteSocket, QObject *parent )
: BridgeConnection( remoteSocket, parent )
{
m_localSocket = new QLocalSocket( this );
}
void DBusBridgeConnection::connectLocal()
{
// TODO: support for !Linux
#ifdef Q_OS_UNIX
const QByteArray sessionBusAddress = qgetenv( "DBUS_SESSION_BUS_ADDRESS" );
QRegExp rx( QLatin1String( "=(.*)[,$]" ) );
if ( rx.indexIn( QString::fromLatin1( sessionBusAddress ) ) >= 0 ) {
const QString dbusPath = rx.cap( 1 );
qDebug() << dbusPath;
if ( sessionBusAddress.contains( "abstract" ) ) {
const int fd = socket( PF_UNIX, SOCK_STREAM, 0 );
Q_ASSERT( fd >= 0 );
struct sockaddr_un dbus_socket_addr;
dbus_socket_addr.sun_family = PF_UNIX;
dbus_socket_addr.sun_path[0] = '\0'; // this marks an abstract unix socket on linux, something QLocalSocket doesn't support
memcpy( dbus_socket_addr.sun_path + 1, dbusPath.toLatin1().data(), dbusPath.toLatin1().size() + 1 );
/*sizeof(dbus_socket_addr) gives me a too large value for some reason, although that's what QLocalSocket uses*/
const int result = ::connect( fd, (struct sockaddr *) &dbus_socket_addr, sizeof( dbus_socket_addr.sun_family ) + dbusPath.size() + 1 /* for the leading \0 */ );
Q_ASSERT( result != -1 );
Q_UNUSED( result ); // in release mode
( static_cast<QLocalSocket *>( m_localSocket ) )->setSocketDescriptor( fd, QLocalSocket::ConnectedState, QLocalSocket::ReadWrite );
} else {
( static_cast<QLocalSocket *>( m_localSocket ) )->connectToServer( dbusPath );
}
}
#endif
}
void BridgeConnection::doConnects()
{
connect( m_localSocket, SIGNAL(disconnected()), SLOT(deleteLater()) );
connect( m_remoteSocket, SIGNAL(disconnected()), SLOT(deleteLater()) );
connect( m_localSocket, SIGNAL(readyRead()), SLOT(slotDataAvailable()) );
connect( m_remoteSocket, SIGNAL(readyRead()), SLOT(slotDataAvailable()) );
connect( m_localSocket, SIGNAL(connected()), SLOT(slotDataAvailable()) );
}