Attachment 441984 Details for Bug 707723

rtcwakeaction.cpp

rtcwakeaction.cpp (text/x-c++src), 3.59 KB, created by Ismail Dönmez on 2011-07-25 08:49:04 UTC

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Creator: Ismail Dönmez

Created: 2011-07-25 08:49:04 UTC

Size: 3.59 KB

patch

obsolete

>/*
> *  rtcwakeaction.cpp  -  KAuth helper application to execute rtcwake commands
> *  Program:  kalarm
> *  Copyright Â© 2011 by David Jarvie <djarvie@kde.org>
> *
> *  This program is free software; you can redistribute it and/or modify
> *  it under the terms of the GNU 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 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 "rtcwakeaction.h"
>
>#include <kglobal.h>
>#include <klocale.h>
>#include <kprocess.h>
>#include <kdatetime.h>
>
>#include <QDebug>
>
>#include <stdio.h>
>
>RtcWakeAction::RtcWakeAction()
>{
>    KGlobal::locale()->insertCatalog("kalarm");
>}
>
>ActionReply RtcWakeAction::settimer(const QVariantMap& args)
>{
>    unsigned t = args["time"].toUInt();
>    qDebug() << "RtcWakeAction::settimer(" << t << ")";
>
>    // Find the rtcwake executable
>    QString exe("/usr/sbin/rtcwake");   // default location
>    FILE* wh = popen("whereis -b rtcwake", "r");
>    if (wh)
>    {
>        char buff[512] = { '\0' };
>        fgets(buff, sizeof(buff), wh);
>        pclose(wh);
>        // The string should be in the form "rtcwake: /path/rtcwake"
>        char* start = strchr(buff, ':');
>        if (start)
>        {
>            if (*++start == ' ')
>                ++start;
>            char* end = strpbrk(start, " \r\n");
>            if (end)
>                *end = 0;
>            if (*start)
>            {
>                exe = QString::fromLocal8Bit(start);
>                qDebug() << "RtcWakeAction::settimer:" << exe;
>            }
>        }
>    }
>
>    // Set the wakeup by executing the rtcwake command
>    int result = -2;   // default = command not found
>    KProcess proc;
>    if (!exe.isEmpty())
>    {
>        // The wakeup time is set using a time from now ("-s") in preference to
>        // an absolute time ("-t") so that if the hardware clock is not in sync
>        // with the system clock, the alarm will still occur at the correct time.
>        // The "-m no" option sets the wakeup time without suspending the computer.
>
>        // If 't' is zero, the current wakeup is cancelled by setting a new wakeup
>        // time 2 seconds from now, which will then expire.
>        unsigned now = KDateTime::currentUtcDateTime().toTime_t();
>        proc << exe << "-m" << "no" << "-s" << QString::number(t ? t - now : 2);
>        result = proc.execute(5000);   // allow a timeout of 5 seconds
>    }
>    QString errmsg;
>    switch (result)
>    {
>        case 0:
>            return ActionReply::SuccessReply;
>        case -2:
>            errmsg = i18nc("@text/plain", "Could not run <command>%1</command> to set wake from suspend", "rtcwake");
>            break;
>        default:
>            errmsg = i18nc("@text/plain", "Error setting wake from suspend.<nl/>Command was: <command>%1</command><nl/>Error code: %2.", proc.program().join(" "), result);
>            break;
>    }
>    ActionReply reply(ActionReply::HelperError);
>    reply.setErrorCode(result);
>    reply.setErrorDescription(errmsg);
>    qDebug() << "RtcWakeAction::settimer: Code=" << reply.errorCode() << reply.errorDescription();
>    return reply;
>}
>
>KDE4_AUTH_HELPER_MAIN("org.kde.kalarmrtcwake", RtcWakeAction)
>
>// vim: et sw=4:

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Attachments on bug 707723: 441984