dbus access problem
Christian Ehrlicher
Ch.Ehrlicher-Mmb7MZpHnFY at public.gmane.org
Fri Jul 18 18:03:39 BST 2008
Ralf Habacker schrieb:
> Jaroslaw Staniek schrieb:
>> Ralf Habacker said the following, On 2008-07-14 10:28:
>>
>>> Hi,
>>>
>>> currently I'm extending kdeinit4 with a save application close feature
>>> which calls the quit() method of /MainApplication over dbus using the
>>> following code:
>>>
>>> QDBusConnection connection = QDBusConnection::sessionBus();
>>> QDBusConnectionInterface *bus = connection.interface();
>>> const QStringList services = bus->registeredServiceNames();
>>> foreach(const QString &service, services) {
>>> if (!service.startsWith("org.kde"))
>>> continue;
>>> QDBusInterface *iface = new QDBusInterface(service,
>>> QLatin1String("/MainApplication"),
>>> QLatin1String("org.kde.KApplication"),
>>> QDBusConnection::sessionBus());
>>> qDebug() << "killing " << service;
>>> iface->call("quit");
>>> qDebug() << iface->lastError();
>>>
>>> This code worked until yesterday without any problems. Yesterday I
>>> updated to recent dbus svn source and now this code does not work anymore.
>>>
>>> [3804] Debug:killing "org.kde.kate-4724"
>>> [3804] Debug:QDBusError("org.freedesktop.DBus.Error.UnknownInterface",
>>> "No such interface 'org.kde.KApplication' at object path
>>> '/MainApplication'")
>>>
>>> The same behavior could be reproduced with qdbusviewer.
>>>
>> Did you use the original dbus (without my changes) before yesterday?
>>
> After digging more into this issue it looks that this problem stays
> alredy some time
>
> - at least in the version i tried, 4.0.73,4.0.80, 4.0.83 and recent svn
> source some interfaces (org.kde and com.trolltech) in the Object Path
> /MainApplication are not accessable.
>
> This problem could be verifed by running the following commands on a
> command shell
>
> C:\Programme\kde-4\bin>kdeinit4 --verbose
> kdeinit4: Launched dbus-launch.exe, pid = 2464
> kdeinit4: Launched klauncher, pid = 3964
> create process "C:\Programme\kde-4.0.0\bin\dbus-daemon.exe"
> "C:\Programme\kde-4.0.0\bin\dbus-daemon.exe" --session
> org.kde.klauncher is registered in dbus
> kdeinit4: Launched kded4, pid = 1824
> org.kde.kded is registered in dbus
>
> C:\Programme\kde-4\bin>qdbus
> :1.0
> :1.1
> org.kde.klauncher
> :1.2
> org.kde.kded
> :1.4
> org.freedesktop.DBus
>
> C:\Programme\kde-4\bin>qdbus org.kde.kded
> /
> /MainApplication
> /kbuildsycoca
> /kded
> /modules
> /modules/winstartmenu
>
> C:\Programme\kde-4\bin>qdbus org.kde.kded /MainApplication
> method void org.kde.KApplication.quit()
> method void org.kde.KApplication.reparseConfiguration()
> method void org.kde.KApplication.updateUserTimestamp()
> method void org.kde.KApplication.updateUserTimestamp(int time)
> property readwrite int com.trolltech.Qt.QApplication.cursorFlashTime
> property readwrite int com.trolltech.Qt.QApplication.doubleClickInterval
> property readwrite QSize com.trolltech.Qt.QApplication.globalStrut
> property readwrite int com.trolltech.Qt.QApplication.keyboardInputInterval
> property readwrite bool com.trolltech.Qt.QApplication.quitOnLastWindowClosed
> property readwrite int com.trolltech.Qt.QApplication.startDragDistance
> property readwrite int com.trolltech.Qt.QApplication.startDragTime
> property readwrite QString com.trolltech.Qt.QApplication.styleSheet
> property readwrite int com.trolltech.Qt.QApplication.wheelScrollLines
> property readwrite QString com.trolltech.Qt.QCoreApplication.applicationName
> property readwrite QString
> com.trolltech.Qt.QCoreApplication.applicationVersion
> property readwrite QString
> com.trolltech.Qt.QCoreApplication.organizationDomain
> property readwrite QString
> com.trolltech.Qt.QCoreApplication.organizationName
> method int org.kde.KUniqueApplication.newInstance()
> method int org.kde.KUniqueApplication.newInstance(QByteArray asn_id)
> method int org.kde.KUniqueApplication.newInstance(QByteArray asn_id,
> QByteArray args)
> method QDBusVariant org.freedesktop.DBus.Properties.Get(QString
> interface_name, QString property_name)
> method void org.freedesktop.DBus.Properties.Set(QString interface_name,
> QString property_name, QDBusVariant value)
> method QString org.freedesktop.DBus.Introspectable.Introspect()
>
> C:\Programme\kde-4\bin>qdbus org.kde.kded /MainApplication
> org.freedesktop.DBus.Introspectable.Introspect
> <!DOCTYPE node PUBLIC "-//freedesktop//DTD D-BUS Object Introspection
> 1.0//EN"
> "http://www.freedesktop.org/standards/dbus/1.0/introspect.dtd">
> <node>
> <interface name="org.kde.KApplication">
> <method name="updateUserTimestamp">
> <arg name="time" type="i" direction="in"/>
> </method>
> <method name="updateUserTimestamp">
> </method>
> <method name="reparseConfiguration">
> </method>
> <method name="quit">
> </method>
> </interface>
> <interface name="com.trolltech.Qt.QApplication">
> <property name="cursorFlashTime" type="i" access="readwrite"/>
> <property name="doubleClickInterval" type="i" access="readwrite"/>
> <property name="keyboardInputInterval" type="i" access="readwrite"/>
> <property name="wheelScrollLines" type="i" access="readwrite"/>
> <property name="globalStrut" type="(ii)" access="readwrite">
> <annotation name="com.trolltech.QtDBus.QtTypeName" value="QSize"/>
> </property>
> <property name="startDragTime" type="i" access="readwrite"/>
> <property name="startDragDistance" type="i" access="readwrite"/>
> <property name="quitOnLastWindowClosed" type="b" access="readwrite"/>
> <property name="styleSheet" type="s" access="readwrite"/>
> </interface>
> <interface name="com.trolltech.Qt.QCoreApplication">
> <property name="applicationName" type="s" access="readwrite"/>
> <property name="applicationVersion" type="s" access="readwrite"/>
> <property name="organizationName" type="s" access="readwrite"/>
> <property name="organizationDomain" type="s" access="readwrite"/>
> </interface>
> <interface name="org.kde.KUniqueApplication">
> <method name="newInstance">
> <arg type="i" direction="out"/>
> <arg name="asn_id" type="ay" direction="in"/>
> <arg name="args" type="ay" direction="in"/>
> </method>
> <method name="newInstance">
> <arg type="i" direction="out"/>
> <arg name="asn_id" type="ay" direction="in"/>
> </method>
> <method name="newInstance">
> <arg type="i" direction="out"/>
> </method>
> </interface>
> <interface name="org.freedesktop.DBus.Properties">
> <method name="Get">
> <arg name="interface_name" type="s" direction="in"/>
> <arg name="property_name" type="s" direction="in"/>
> <arg name="value" type="v" direction="out"/>
> </method>
> <method name="Set">
> <arg name="interface_name" type="s" direction="in"/>
> <arg name="property_name" type="s" direction="in"/>
> <arg name="value" type="v" direction="in"/>
> </method>
> </interface>
> <interface name="org.freedesktop.DBus.Introspectable">
> <method name="Introspect">
> <arg name="xml_data" type="s" direction="out"/>
> </method>
> </interface>
> </node>
>
> C:\Programme\kde-4\bin>qdbus org.kde.kded /MainApplication
> org.kde.KApplication.quit
> Error: org.freedesktop.DBus.Error.UnknownInterface
> No such interface 'org.kde.KApplication' at object path '/MainApplication'
>
>
> Does anyone can give me some hints who to find the problem ?
>
ok, tested it on linux (opensuse 11.0, kde 4.0.99 from opensuse
repository) and got the same error.
Any ideas what's wrong here?
Christian
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