From mboxrd@z Thu Jan 1 00:00:00 1970 Content-Type: multipart/mixed; boundary="===============8190066422626665654==" MIME-Version: 1.0 From: Mikel Astiz Subject: Re: Missing CallRemoved signals Date: Thu, 18 Aug 2011 08:29:01 +0200 Message-ID: <4E4CB12D.6020005@bmw-carit.de> In-Reply-To: <4E4BE19B.3080003@gmail.com> List-Id: To: ofono@ofono.org --===============8190066422626665654== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Hi Denis, OK, that makes sense. Thanks for the workaround. Regards, Mikel On 08/17/2011 05:43 PM, Denis Kenzior wrote: > Hi Mikel, > > On 08/17/2011 04:58 AM, Mikel Astiz wrote: >> Hi all, >> >> I'm doing further tests with oFono with a simple UI that handles the >> calls of a certain modem (bluetooth modem in this case). >> >> I keep track of the existing calls by listening to 'VoiceCallManager' >> signals, 'CallAdded' and 'CallRemoved'. The list is initialized using >> 'VoiceCallManager.GetCalls()' at startup. >> >> The problem I have found is that some 'CallRemoved' signals are >> apparently never emitted. It is in fact quite easy to reproduce, if a >> modem is powered down while a call is in progress. > By convention oFono interfaces do not emit any signals when they're > being removed (e.g. when the modem is powered down). In most cases > there isn't a meaningful value we can emit anyway, or doing so would > result in too many redundant signals. > >> Having a look at oFono's source code (src/voicecall.c), my feeling is >> that some calls to 'voicecall_dbus_unregister' are not accompanied by a >> call to 'voicecalls_emit_call_removed', inside the function >> 'voicecall_unregister'. >> >> Could anyone confirm if this is a bug in oFono or suggest any workaround >> for the client app? > The application can track the 'Interfaces' property on the modem object > to figure out when an interface goes live / ceases to exist. If > VoiceCallManager goes away, you can mark all relevant calls accordingly. > >> Regards, >> Mikel > Regards, > -Denis --===============8190066422626665654==--