Hi there,
does anybody know some facility for a called device to detect the
establishment of a baseband connection? That is, say we have two devices, A
and B, and A attempts a paging to B. The idea is fire an event in B as soon
as the baseband connection is established.
I thought two ideas for this: first, when the synchronous call to
"hci_create_connection" returns, A then invokes, via SDP, a service
advertised on B, which fires the event on that device (it is reasonable in
my context to assume that B advertises a service such like that). Second,
some application in B runs a thread that constantly monitors the
availability of baseband connections through "hci_for_each_dev function".
Such an application would maintain a data structure for controling existent
conections. When a new conection is established, B updates the data
structure and fires the event.
Well, I was wondering if there is a better solution for this problem.
PS: I am developing over the BlueZ code itself, and not over the utilities
hcitools, hciconfig....
Regards and thanks for any hint...
Loreno
Hello Loreno,
> does anybody know some facility for a called device to detect the
> establishment of a baseband connection?
The DBus API already offers that:
Signals from the Adapter hierarchy (from dbus-api.txt):
void RemoteDeviceConnected(string address)
This signal will be send if a low level connection
between two devices has been created.
void RemoteDeviceDisconnected(string address)
This signal will be send if a low level connection
between two devices has been terminated.
Regards,
Pierre-Yves
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Hi Loreno,
> does anybody know some facility for a called device to detect the
> establishment of a baseband connection? That is, say we have two
> devices, A and B, and A attempts a paging to B. The idea is fire an
> event in B as soon as the baseband connection is established.
>
> I thought two ideas for this: first, when the synchronous call to
> "hci_create_connection" returns, A then invokes, via SDP, a service
> advertised on B, which fires the event on that device (it is
> reasonable in my context to assume that B advertises a service such
> like that). Second, some application in B runs a thread that
> constantly monitors the availability of baseband connections through
> "hci_for_each_dev function". Such an application would maintain a data
> structure for controling existent conections. When a new conection is
> established, B updates the data structure and fires the event.
look at the D-Bus API for BlueZ. It sends you a signal once a device has
been connected or disconnected.
Regards
Marcel
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