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Date: Wed, 15 Jul 2015 13:58:16 +0300
Message-ID: <CABBYNZLLd-dS0u39roqCrin=MpYy7WNiL4MEYDik0o-0G84JDA@mail.gmail.com>
Subject: Re: How to write a C program to be paired asynchronously?
From: Luiz Augusto von Dentz <luiz.dentz@gmail.com>
To: Qingtao Cao <qingtao.cao.au@gmail.com>
Cc: "linux-bluetooth@vger.kernel.org" <linux-bluetooth@vger.kernel.org>
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Sender: linux-bluetooth-owner@vger.kernel.org
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Hi Harry,

On Wed, Jul 15, 2015 at 1:53 AM, Qingtao Cao <qingtao.cao.au@gmail.com> wrote:
> Dear bluetooth community,
>
> I am a rookie to bluez internals. After "fixing" a potential defect in
> one of blueman's script
> (http://ubuntuforums.org/showthread.php?t=2286664) I can pair the HCI
> adapter on my laptop from my mobile phone.
>
> Now I would like to come up with a C program for the same purpose, it
> will manipulate the dbus APIs to capture the messages emitted from
> bluetoothd when receiving async pairing request and consult the end
> user whether to accept it.
>
> I can use dbus-monitor --system "sender='org.bluez'" command to
> monitor all potential messages sent from bluetoothd during this
> process, however, they all seem to be the PropertyChanged signal when
> populating the newly created object /org/bluez/<pid>/hciX/dev_xx with
> new properties. I am still clueless about relevant method_calls
> blueman may have captured for pairing purpose, and am wondering if I
> can do something similar for the same purpose but in C directly.
>
> Any suggestions or comments or references to bluez's work flow during
> pairing process would be highly appreciated.

You can check how our command line tool bluetoothctl does it, its
source code is under client/ directory.


-- 
Luiz Augusto von Dentz