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.server file format reference

This section describes the format of the .server files used by applications to tell the Bonobo Activation daemon about the interfaces they support.

The oaf_server tag

Here follows a simple example of a minimalist .server file.

<oaf_info>
  <oaf_server iid="OAFIID:Bonobo_CosNaming_NamingContext"
	      type="exe"
              location="/usr/lib/bonobo-activation/bonobo-activation-server">
  </oaf_server>
</oaf_info>

Each oaf_server entry conventionally has three mandatory properties: iid (the FAQ of the Bonobo API reference manual explains how to create an iid), type (can be exe, factory, or shlib) and location.

If the type is exe, location is the name of the executable which creates the CORBA interfaces associated to this entry and registers them to Bonobo Activation. If the type is factory, location is the iid of the component which can create the corresponding CORBA server. If the type is shlib, location is the name of the library the code is in: libgmf for example.

Portability Note

Don't include the .so suffix common on Linux systems in the location of a shlib component.

Here follows a simple example of a component activated through a factory:

<oaf_info>
  <oaf_server iid="OAFIID:Bonobo_Sample_Echo_Factory" type="exe"
	      location="/usr/lib/bonobo-2.0/samples/bonobo-echo-2">
  </oaf_server>

  <oaf_server iid="OAFIID:Bonobo_Sample_Echo" type="factory"
	      location="OAFIID:Bonobo_Sample_Echo_Factory">
  </oaf_server>
</oaf_info>

If you ask Bonobo Activation to activate the OAFIID:Bonobo_Sample_Echo component, Bonobo Activation will first check if it is a factory, make sure the corresponding factory compoenent is running (by activating it. Here, activating the factory component is a matter of launching the executable) and call create on the factory. It will return you that object.

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