workspace/plasma/dataengines/soliddevice/hddtemp.cpp

   1 /*
   2  *   Copyright (C) 2007 Petri Damsten <damu@iki.fi>
   3  *   Copyright (C) 2007 Christopher Blauvelt <cblauvelt@gmail.com>
   4  *
   5  *   This program is free software; you can redistribute it and/or modify
   6  *   it under the terms of the GNU Library General Public License version 2 as
   7  *   published by the Free Software Foundation
   8  *
   9  *   This program is distributed in the hope that it will be useful,
  10  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  *   GNU General Public License for more details
  13  *
  14  *   You should have received a copy of the GNU Library General Public
  15  *   License along with this program; if not, write to the
  16  *   Free Software Foundation, Inc.,
  17  *   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  18  */
  19
  20 #include "hddtemp.h"
  21
  22 #include <QTcpSocket>
  23
  24 #include <KDebug>
  25
  26 HddTemp::HddTemp(QObject* parent)
  27     : QObject(parent),
  28       m_failCount(0),
  29       m_timer(0)
  30 {
  31     updateData();
  32     m_timer = new QTimer(this);
  33     connect(m_timer, SIGNAL(timeout()), this, SLOT(updateData()));
  34     m_timer->start(10000);
  35 }
  36
  37 HddTemp::~HddTemp()
  38 {
  39 }
  40
  41 QStringList HddTemp::sources() const
  42 {
  43     return m_data.keys();
  44 }
  45
  46 bool HddTemp::updateData()
  47 {
  48     if (m_failCount > 4) {
  49         return false;
  50     }
  51     QTcpSocket socket;
  52     QString data;
  53
  54     socket.connectToHost("localhost", 7634);
  55     if (socket.waitForConnected(500)) {
  56         while (data.length() < 1024) {
  57             if (!socket.waitForReadyRead(500)) {
  58                 if (data.length() > 0) {
  59                     break;
  60                 } else {
  61                     //kDebug() << socket.errorString();
  62                     return false;
  63                 }
  64             }
  65             data += QString(socket.readAll());
  66         }
  67         socket.disconnectFromHost();
  68         //on success retry fail count
  69         m_failCount = 0;
  70     } else {
  71         m_failCount++;
  72         //kDebug() << socket.errorString();
  73         return false;
  74     }
  75     QStringList list = data.split('|');
  76     int i = 1;
  77     m_data.clear();
  78     while (i + 4 < list.size()) {
  79         m_data[list[i]].append(list[i + 2]);
  80         m_data[list[i]].append(list[i + 3]);
  81         i += 5;
  82     }
  83     return true;
  84 }
  85
  86 QVariant HddTemp::data(const QString source, const DataType type) const
  87 {
  88     return m_data[source][type];
  89 }
  90
  91 #include "hddtemp.moc"