RE: IPC between daemon -> non root app?

15 Nov 2005

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Thanks for links, the CFLocalServer example is a great starting point.

Philip Lukidis
...
-----Original Message-----
From: plumber [mailto:plumber@gnu-darwin.org]
Sent: Tuesday, November 15, 2005 12:02 PM
To: Darwin development list
Subject: Re: IPC between daemon -> non root app?
...
...
Thanks for your answer.
I never intentionally initiated communication from the daemon to
the user
app.  The CFMessagePort was setup as a direct result of a specific
request
from the user app.  This, at first sight at least,
communication is
always
initiated by the client user app.  However, I do admit that
I need the
daemon to notify the user app of interesting changes if the user
app so
requested, like hardware plug/unplug events, change in the
hardware
state,
etc.  I thought that a client request CFMessagePort would be the
answer.
Given my need of the daemon having to notify a "registered" user
app of
interesting events, how should I best proceed?  If no user is
logged on,
then the user app will never request to be notified of interesting
events.
Each instance of the user app may request a new port to be
setup, so I
assume this should take of multiple users.
Would the CFNotificationCenter type suit my needs?  Or am I going
in the
wrong direction entirely?
thanks,
Philip Lukidis
...
Would CFNotificationCenter work?  Or CFSocket?  I'll read up about
these
types.
thanks,
Philip Lukidis
CFSocket
http://developer.apple.com/samplecode/CFLocalServer/CFLocalServer.html
CFNotificationCenter
http://lists.apple.com/archives/Cocoa-dev/2003/Jan/msg01994.html
Best Regards
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