#2339 IFP: support multiple interfaces for object
Closed: Fixed None Opened 6 years ago by pbrezina.

D-Bus in general allow an object to implement multiple interfaces. For example

Object: /org/example/object
Interface: org.example.InterfaceA
Interface: org.example.InterfaceB

dbus-send ... /org/example/object org.freedesktop.DBus.Properties.GetAll \
              string:org.example.InterfaceA

dbus-send ... /org/example/object org.freedesktop.DBus.Properties.GetAll \
              string:org.example.InterfaceB

Will yield different set of properties.

SBUS basically doesn't work with interfaces at all at the moment. It chooses the message handler to be invoked by object path only and check if the object path matches the only one registered interface.

However, it should support allowing to register more than one interfaces per object and the message routing should be like:

  1. Get object path from D-Bus message
  2. Get interface from D-Bus message
  3. Get list of interfaces associated with this object path
  4. If interface not found in list then fail
  5. Execute handler associated with both interface and object

The scope of changes outlined above make me think this is 1.13 material, not 1.12.x

Fields changed

milestone: NEEDS_TRIAGE => SSSD 1.13 beta

Fields changed

rhbz: => 0

Fields changed

mark: => 0

Fields changed

owner: somebody => pbrezina
status: new => assigned

Fields changed

patch: 0 => 1

This ticket has patches on list and is required for other DBus work.

milestone: SSSD 1.13 beta => SSSD 1.13 alpha

resolution: => fixed
status: assigned => closed

Metadata Update from @pbrezina:
- Issue assigned to pbrezina
- Issue set to the milestone: SSSD 1.13 alpha

3 years ago

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