qtmobility/src/location/dbuscomm_maemo.cpp
changeset 1 2b40d63a9c3d
child 8 71781823f776
equal deleted inserted replaced
0:cfcbf08528c4 1:2b40d63a9c3d
       
     1 /****************************************************************************
       
     2 **
       
     3 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
       
     4 ** All rights reserved.
       
     5 ** Contact: Nokia Corporation (qt-info@nokia.com)
       
     6 **
       
     7 ** This file is part of the Qt Mobility Components.
       
     8 **
       
     9 ** $QT_BEGIN_LICENSE:LGPL$
       
    10 ** No Commercial Usage
       
    11 ** This file contains pre-release code and may not be distributed.
       
    12 ** You may use this file in accordance with the terms and conditions
       
    13 ** contained in the Technology Preview License Agreement accompanying
       
    14 ** this package.
       
    15 **
       
    16 ** GNU Lesser General Public License Usage
       
    17 ** Alternatively, this file may be used under the terms of the GNU Lesser
       
    18 ** General Public License version 2.1 as published by the Free Software
       
    19 ** Foundation and appearing in the file LICENSE.LGPL included in the
       
    20 ** packaging of this file.  Please review the following information to
       
    21 ** ensure the GNU Lesser General Public License version 2.1 requirements
       
    22 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
       
    23 **
       
    24 ** In addition, as a special exception, Nokia gives you certain additional
       
    25 ** rights.  These rights are described in the Nokia Qt LGPL Exception
       
    26 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
       
    27 **
       
    28 ** If you have questions regarding the use of this file, please contact
       
    29 ** Nokia at qt-info@nokia.com.
       
    30 **
       
    31 **
       
    32 **
       
    33 **
       
    34 **
       
    35 **
       
    36 **
       
    37 **
       
    38 ** $QT_END_LICENSE$
       
    39 **
       
    40 ****************************************************************************/
       
    41 
       
    42 #include "dbuscomm_maemo_p.h"
       
    43 
       
    44 #include <iostream>
       
    45 using namespace std;
       
    46 
       
    47 QTM_BEGIN_NAMESPACE
       
    48 
       
    49 DBusComm::DBusComm()
       
    50 {
       
    51     positioningdService   = QString("com.nokia.positioningd.client");
       
    52     positioningdPath      = QString("/com/nokia/positioningd/client");
       
    53     positioningdInterface = QString("com.nokia.positioningd.client");
       
    54 }
       
    55 
       
    56 
       
    57 int DBusComm::init()
       
    58 {
       
    59 
       
    60     if (!QDBusConnection::sessionBus().isConnected()) {
       
    61         cerr << "Cannot connect to the D-BUS session bus." << endl;
       
    62         return -1;
       
    63     }
       
    64 
       
    65     // Application auto-start by dbus may take a while, so try
       
    66     // connecting a few times.
       
    67 
       
    68     int cnt = 3;
       
    69     do {
       
    70         cout << "Connecting to positioning daemon" << endl;
       
    71         positioningdProxy = new QDBusInterface(positioningdService,
       
    72                                                positioningdPath,
       
    73                                                positioningdInterface,
       
    74                                                QDBusConnection::sessionBus());
       
    75         usleep(500000);
       
    76         cnt--;
       
    77     } while (cnt && (positioningdProxy->isValid() == false));
       
    78 
       
    79     if (positioningdProxy->isValid() == false) {
       
    80         cerr << "DBus connection to positioning daemon failed." << endl;
       
    81         return -1;
       
    82     }
       
    83 
       
    84     createUniqueName();
       
    85 
       
    86     dbusServer = new DBusServer(&serverObj);
       
    87     dbusServer->setHandlerObject(this);
       
    88 
       
    89     QDBusConnection::sessionBus().registerObject(myPath, &serverObj);
       
    90 
       
    91     if (!QDBusConnection::sessionBus().registerService(myService)) {
       
    92         cerr << qPrintable(QDBusConnection::sessionBus().lastError().message()) << endl;
       
    93         return -1;
       
    94     }
       
    95 
       
    96     return 0;
       
    97 }
       
    98 
       
    99 
       
   100 int DBusComm::receiveDBusMessage(const QByteArray &message)
       
   101 {
       
   102     emit receivedMessage(message);
       
   103 
       
   104     return 0;
       
   105 }
       
   106 
       
   107 
       
   108 int DBusComm::receivePositionUpdate(const QGeoPositionInfo &update)
       
   109 {
       
   110     emit receivedPositionUpdate(update);
       
   111 
       
   112     return 0;
       
   113 }
       
   114 
       
   115 
       
   116 int DBusComm::receiveSettings(const QGeoPositionInfoSource::PositioningMethod methods,
       
   117                               const int interval)
       
   118 {
       
   119     cout << "Interval confirmed to be :" << interval << "\n";
       
   120     // FIXME save these
       
   121 
       
   122     return 0;
       
   123 }
       
   124 
       
   125 
       
   126 bool DBusComm::sendDBusRegister()
       
   127 {
       
   128     int n;
       
   129     QDBusReply<int> reply;
       
   130 
       
   131     reply = positioningdProxy->call("registerListener",
       
   132                                     myService.toAscii().constData(),
       
   133                                     myPath.toAscii().constData());
       
   134     if (reply.isValid()) {
       
   135         n = reply.value();
       
   136         clientId = n;
       
   137         cout << "Register client ID: " << n << endl;
       
   138     } else {
       
   139         cerr << endl << "DBus error:\n";
       
   140         cerr << reply.error().name().toAscii().constData() << endl;
       
   141         cerr << reply.error().message().toAscii().constData() << endl;
       
   142         return false;
       
   143     }
       
   144 
       
   145     return true;
       
   146 }
       
   147 
       
   148 
       
   149 int DBusComm::sessionConfigRequest(const int command, const int method,
       
   150                                    const int interval) const
       
   151 {
       
   152     int n;
       
   153     QDBusReply<bool> reply;
       
   154 
       
   155     positioningdProxy->call("configSession", clientId, command, method, interval);
       
   156     cout << "sessionConfigRequest cmd: cmd:" << command << " method: ";
       
   157     cout << method << " interval: " << interval << "\n";
       
   158     if (reply.isValid()) {
       
   159         n = reply.value();
       
   160         cout << "sessionConfigRequest:Reply: " << n << endl;
       
   161     } else {
       
   162         cerr << endl << "DBus error:\n";
       
   163         cerr << reply.error().name().toAscii().constData() << endl;
       
   164         cerr << reply.error().message().toAscii().constData() << endl;
       
   165     }
       
   166 
       
   167     return 0;
       
   168 }
       
   169 
       
   170 
       
   171 void DBusComm::createUniqueName()
       
   172 {
       
   173     QFile uuidfile("/proc/sys/kernel/random/uuid");
       
   174     if (!uuidfile.open(QIODevice::ReadOnly)) {
       
   175         cerr << "UUID file failed.";
       
   176         exit(0);
       
   177     }
       
   178 
       
   179     QTextStream in(&uuidfile);
       
   180     QString uuid = 'I' + in.readLine();
       
   181     uuid.replace('-', 'I');
       
   182     myService   = "com.nokia.qlocation." + uuid;
       
   183     myPath      = "/com/nokia/qlocation/" + uuid;
       
   184     myInterface = "com.nokia.qlocation.updates";
       
   185 
       
   186 }
       
   187 
       
   188 #include "moc_dbuscomm_maemo_p.cpp"
       
   189 QTM_END_NAMESPACE
       
   190