2011/4/18 Vincenzo Romano <[email protected]>: > 2011/4/15 Dan Williams <[email protected]>: >> On Fri, 2011-04-15 at 12:37 +0200, Vincenzo Romano wrote: >>> 2011/4/14 Dan Williams <[email protected]>: >>> > On Thu, 2011-04-14 at 16:20 +0200, Vincenzo Romano wrote: >>> >> 2011/4/14 Aleksander Morgado <[email protected]>: >>> >> > >>> >> >> >> > Where on earth happens the modem initialization in >>> >> >> >> > NetWorkmanager? >>> >> >> >> > My interest is for GSM/3G modems as well as for POTS/ISDN modems. >>> >> >> >> > I've tried to browse the source code but it's quite difficult. >>> >> >> >> > >>> >> >> >> >>> >> >> >> What I've found so far is that the initialization is done in the >>> >> >> >> modemmanager. >>> >> >> >> It looks like it's hardcoded, which looks quite weird to me. >>> >> >> >> I do need to make some extra optional initialization: is there any >>> >> >> >> hook for such a >>> >> >> >> need? >>> >> >> > >>> >> >> > ModemManager has some generic setup steps, plus 'plugins' for each >>> >> >> > modem/vendor known to make things differently. If your modem needs >>> >> >> > specific AT commands during initialization, you'll probably need to >>> >> >> > develop a new plugin for it. >>> >> >> > >>> >> >> > Cheers, >>> >> >> >>> >> >> Among other things, I'd need to harvest the localization information >>> >> >> (AT+CREG) >>> >> >> from GSM/3G modems. 99.999% of such modems implement it but I don't >>> >> >> see >>> >> >> how to do it. >>> >> >> >>> >> >> Any idea? >>> >> > >>> >> > I believe the generic plugin already harvests location area code and >>> >> > cell ID whenever available in the AT+CREG? reply. Although I never >>> >> > tried >>> >> > it myself, you can possibly use the GetLocation() method in the >>> >> > org.freedesktop.ModemManager.Modem.Location interface (once enabled >>> >> > with >>> >> > the Enable() method). >>> >> > >>> >> > Cheers! >>> >> >>> >> That sounds great. But also needs that I have to write my own D-Bus >>> >> code in order >>> >> to enable and retrieve the localization data (lac/ci). >>> > >>> > Ok, what exactly are you trying to do here? If you can explain that, >>> > then maybe we can say what the best course of action here is. What >>> > specific initialization commands do you need to send? >>> > >>> > Yes, MM exposes location information via the D-Bus interface, because >>> > that's how *all* of MM's interaction with the system works, via D-Bus. >>> > >>> >> And, finally, for the other things I need to do there's no way at all. >>> > >>> > Such as? What kinds of things do you need to do? >>> > >>> > Dan >>> > >>> >> I've given a look at the modemmanager code and there seems to be no >>> >> hook available >>> >> to send AT commands before the connection or after it ended. >>> >>> For mobile boradband I need to get some network related infos, >>> localization (LAC+CI) among them. >>> What I understand is that I need to write a D-BUS client to ask >>> the modem manager to gather the infos on my behalf. >> >> That's correct. There's a python example of this in ModemManager's >> test/location.py script that enables location services on the modem and >> reports the LAC/CI for you. That should give you an idea of the D-Bus >> interfaces required to get the LAC/CI out. Note that the SIM PIN must >> have been entered, and the modem enabled, before location services can >> work, because no modem will register with the network until it's (a) PIN >> unlocked and (b) powered up. Regardless of whether MM is used or not. >> >>> But for POTS and ISDN modem I just need to make some specific >>> initialization which apperas to be not possible at all. >> >> ModemManager does not (yet) handle POTS modems and will ignore them. >> Nor does MM handle ISDN since ISDN doesn't really look like a modem and >> doesn't get configured like one either. ISDN would probably be handled >> by NetworkManager instead. >> > > Hi. > Neither in ModemManager-0.4 nor in NetworkManager-0.8.3.999 there's > any location.py. > Could you please tell me where can I read such a piece software? > That looks promising, though.
Found! It's not in the official distribution :-( It's here: http://cgit.freedesktop.org/ModemManager/ModemManager/tree/test _______________________________________________ networkmanager-list mailing list [email protected] http://mail.gnome.org/mailman/listinfo/networkmanager-list
