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#include <QtCore/QDateTime>
#include <QtCore/QTextStream>
#include <QtCore/QStringList>
#include <QtDBus/QDBusMetaType>
#include "service.h"
SystemInfo::SystemInfo(QObject *parent)
: QDBusAbstractAdaptor(parent),
m_syslog(200),
m_dbusMonitor(50),
m_syslogFile("/var/log/syslog")
{
if (m_syslogFile.open(QIODevice::ReadOnly)) {
m_syslog.setDevice(&m_syslogFile);
}
m_dbusMonitorProcess.start("/usr/bin/dbus-monitor");
m_dbusMonitor.setDevice(&m_dbusMonitorProcess);
qDBusRegisterMetaType<QMap<QString, QVariant> >();
startTimer(1000);
}
uint SystemInfo::Date()
{
return QDateTime::currentDateTime().toTime_t();
}
void SystemInfo::Noop()
{
}
QString SystemInfo::Ping(QString text)
{
return text;
}
int SystemInfo::CpuLoad()
{
return m_cpuLoad;
}
void SystemInfo::timerEvent(QTimerEvent *)
{
int cpuCount = -1;
QFile file("/proc/stat");
if (!file.open(QIODevice::ReadOnly))
return;
QTextStream stream(&file);
do {
QString line = stream.readLine();
const QStringList list = line.trimmed().split(" ", QString::SkipEmptyParts);
if (list[0].left(3) == "cpu")
++cpuCount;
if ((list.count() < 6) || list[0] != "cpu")
continue;
int value = 0;
for (int i = 0; i < list.length()-1; ++i) {
if (i == 3) // idle
continue;
value += list[i+1].toInt();
}
m_cpuLoad = value - m_oldStat;
m_oldStat = value;
} while(!stream.atEnd());
m_cpuLoad /= cpuCount;
m_syslog.update();
m_dbusMonitor.update();
}
Q_DECLARE_METATYPE(QStringList)
QMap<QString, QVariant> SystemInfo::Syslog(int last)
{
QMap<QString, QVariant> ret;
m_syslog.update();
ret["last"] = QVariant(m_syslog.last());
ret["data"] = QVariant(m_syslog.get(last));
return ret;
}
QMap<QString, QVariant> SystemInfo::DBusMonitor(int last)
{
QMap<QString, QVariant> ret;
m_dbusMonitor.update();
ret["last"] = QVariant(m_dbusMonitor.last());
ret["data"] = QVariant(m_dbusMonitor.get(last));
return ret;
}
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