Review Request: wetter.com Weather Ion

Aaron Seigo aseigo at kde.org
Tue Nov 3 17:51:05 GMT 2009



> On 2009-11-03 17:00:51, Will Stephenson wrote:
> > /trunk/kdereview/plasma/dataengines/weather/ions/ion_wettercom.cpp, line 44
> > <http://reviewboard.kde.org/r/2026/diff/2/?file=13614#file13614line44>
> >
> >     By convention, public member variables of pimpl classes are not names with m_ prefixes - since accessing them via d-> in the outer class makes it obvious that they belong  to the pimpl

this isn't public API. why does it have a pimpl at all? i think some people have missed the point of the FooPrivate classes: maintaining binary compatibility in publicly exported APIs. for anything else they are just a bit more overhead, one more level of indirection and one more opportunity for a memory leak.


- Aaron


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On 2009-11-01 18:31:18, Thilo-Alexander Ginkel wrote:
> 
> -----------------------------------------------------------
> This is an automatically generated e-mail. To reply, visit:
> http://reviewboard.kde.org/r/2026/
> -----------------------------------------------------------
> 
> (Updated 2009-11-01 18:31:18)
> 
> 
> Review request for kdelibs, Plasma and Shawn Starr.
> 
> 
> Summary
> -------
> 
> This change brings support for wetter.com (a weather forecast web site especially popular in Germany) as a weather data source to KDE.
> The Ion makes use of wetter.com's officially-supported REST API. The API supports forecasts for up to three days, so the Ion does not supply any information about the current weather conditions. The forecast for the current day is split between night and day whereas the following two days are provided as an aggregated value for the whole day, respectively. 
> 
> Any feedback is much appreciated!
> 
> 
> This addresses bug 204219.
>     https://bugs.kde.org/show_bug.cgi?id=204219
> 
> 
> Diffs
> -----
> 
>   /trunk/kdereview/plasma/dataengines/CMakeLists.txt 1043003 
>   /trunk/kdereview/plasma/dataengines/weather/CMakeLists.txt PRE-CREATION 
>   /trunk/kdereview/plasma/dataengines/weather/ions/CMakeLists.txt PRE-CREATION 
>   /trunk/kdereview/plasma/dataengines/weather/ions/ion-wettercom.desktop PRE-CREATION 
>   /trunk/kdereview/plasma/dataengines/weather/ions/ion_wettercom.h PRE-CREATION 
>   /trunk/kdereview/plasma/dataengines/weather/ions/ion_wettercom.cpp PRE-CREATION 
> 
> Diff: http://reviewboard.kde.org/r/2026/diff
> 
> 
> Testing
> -------
> 
> Tested the Ion under a current KDE installation from trunk, fixed all Krazy warnings before the move to kdereview. Profiled it for memory leaks using Valgrind, which did not bring up any leaks in the control of the Ion. Those two still look somewhat suspicious, so I'd like to get your opinion about them:
> 
> 42 bytes in 1 blocks are definitely lost in loss record 372 of 1,156
>    at 0x4C25153: malloc (vg_replace_malloc.c:195)
>    by 0x60EDCB4: QString::QString(int, Qt::Initialization) (qstring.cpp:1027)
>    by 0x61BD5EE: QUtf8::convertToUnicode(char const*, int, QTextCodec::ConverterState*) (qutfcodec.cpp:169)
>    by 0x60EFDFA: QString::fromUtf8(char const*, int) (qstring.cpp:3850)
>    by 0x614C052: fromPercentEncodingMutable(QByteArray*) (qurl.cpp:223)
>    by 0x614EFB3: QUrlPrivate::parse(QUrlPrivate::ParseOptions) const (qurl.cpp:3781)
>    by 0x61534FE: QUrl::isValid() const (qurl.cpp:4124)
>    by 0x5A23B5A: KUrl::_setEncodedUrl(QByteArray const&) (kurl.cpp:1538)
>    by 0x5A23F19: KUrl::KUrl(QString const&) (kurl.cpp:411)
>    by 0x1FAE37D6: WetterComIon::getForecast(QString const&) (ion_wettercom.cpp:504)
>    by 0x1FAE5BAA: WetterComIon::updateIonSource(QString const&) (ion_wettercom.cpp:320)
>    by 0x1F267CBE: IonInterface::sourceRequestEvent(QString const&) (ion.cpp:47)
> 
> 176 (32 direct, 144 indirect) bytes in 1 blocks are definitely lost in loss record 882 of 1,156
>    at 0x4C2596C: operator new(unsigned long) (vg_replace_malloc.c:220)
>    by 0x1F267795: IonInterface::IonInterface(QObject*, QList<QVariant> const&) (ion.cpp:36)
>    by 0x1FAE151D: WetterComIon::WetterComIon(QObject*, QList<QVariant> const&) (ion_wettercom.cpp:68)
>    by 0x1FAEE366: QObject* KPluginFactory::createInstance<WetterComIon, QObject>(QWidget*, QObject*, QList<QVariant> const&) (kpluginfactory.h:461)
>    by 0x5B3367B: KPluginFactory::create(char const*, QWidget*, QObject*, QList<QVariant> const&, QString const&) (kpluginfactory.cpp:191)
>    by 0x5594EB5: Plasma::DataEngineManager::loadEngine(QString const&) (kpluginfactory.h:515)
>    by 0x1F6C813F: WeatherEngine::loadIon(QString const&) (weatherengine.cpp:92)
>    by 0x1F6C8C7C: WeatherEngine::sourceRequestEvent(QString const&) (weatherengine.cpp:226)
>    by 0x55913AC: Plasma::DataEnginePrivate::requestSource(QString const&, bool*) (dataengine.cpp:670)
>    by 0x5591421: Plasma::DataEngine::connectSource(QString const&, QObject*, unsigned int, Plasma::IntervalAlignment) const (dataengine.cpp:89)
>    by 0x1F05608D: WeatherPopupApplet::connectToEngine() (weatherpopupapplet.cpp:234)
>    by 0x1F05815E: WeatherPopupApplet::init() (weatherpopupapplet.cpp:223)
> 
> 
> Thanks,
> 
> Thilo-Alexander
> 
>




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