Link Search Menu Expand Document

D-Bus Interface: Cached Objects

Related ticket(s):

Related design page(s):

Problem statement

This design document describes how objects can be marked as cached.

Use cases

  • Allow tools like graphical user management to display a list of users who recently logged in.

D-Bus Interface

org.freedesktop.sssd.infopipe.Cache

Object paths implementing this interface

  • /org/freedesktop/sssd/infopipe/Users
  • /org/freedesktop/sssd/infopipe/Groups

Methods

  • ao List()
  • ao ListByDomain(s:domain_name)
    • Returns list of objects that contains cached attribute.

Signals

None.

Properties

None.

org.freedesktop.sssd.infopipe.Cache.Object

Object paths implementing this interface

  • /org/freedesktop/sssd/infopipe/Users/*
  • /org/freedesktop/sssd/infopipe/Groups/*

Methods

  • b Store()
  • b Remove()
    • Those methods will add/remove cached attributed to the object under path implementing this interface.

Signals

None.

Properties

None.

Overview of the solution

New sysdb attribute ifp_cached is created for users and groups objects. If this attribute is present, the object is considered to be cached on IFP D-Bus. The introspection of an object path /obj/path will report all cached objects in the subtree /obj/path/*.

How To Test

Call the D-Bus methods and properties. For example with dbus-send tool. A cached object is supposed to appear in introspection.

Authors

  • Jakub Hrozek <jhrozek@redhat.com>
  • Pavel Březina <pbrezina@redhat.com>