[RFC next v4 04/16] bluetooth: Support Properties.PropertiesChanged signal

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Hi Jo?o Paulo,

On Tue, May 7, 2013 at 12:01 AM, Jo?o Paulo Rechi Vita
<jprvita at gmail.com> wrote:
> On Mon, Apr 29, 2013 at 1:28 PM, Mikel Astiz <mikel.astiz.oss at gmail.com> wrote:
>> From: Mikel Astiz <mikel.astiz at bmw-carit.de>
>>
>> Install matches for signal Properties.PropertiesChanged and process the
>> properties corresponding to the tracked devices.
>> ---
>>  src/modules/bluetooth/bluetooth-util.c | 29 +++++++++++++++++++++++++++++
>>  1 file changed, 29 insertions(+)
>>
>> diff --git a/src/modules/bluetooth/bluetooth-util.c b/src/modules/bluetooth/bluetooth-util.c
>> index c60f3ff..cd72ffd 100644
>> --- a/src/modules/bluetooth/bluetooth-util.c
>> +++ b/src/modules/bluetooth/bluetooth-util.c
>> @@ -1263,6 +1263,33 @@ static DBusHandlerResult filter_cb(DBusConnection *bus, DBusMessage *m, void *us
>>          }
>>
>>          return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
>> +    } else if (dbus_message_is_signal(m, "org.freedesktop.DBus.Properties", "PropertiesChanged")) {
>> +        DBusMessageIter arg_i;
>> +        const char *interface;
>> +
>> +        if (y->version != BLUEZ_VERSION_5)
>> +            return DBUS_HANDLER_RESULT_NOT_YET_HANDLED; /* No reply received yet from GetManagedObjects */
>> +
>> +        if (!dbus_message_iter_init(m, &arg_i) || !pa_streq(dbus_message_get_signature(m), "sa{sv}as")) {
>> +            pa_log("Invalid signature found in PropertiesChanged");
>> +            goto fail;
>> +        }
>> +
>> +        dbus_message_iter_get_basic(&arg_i, &interface);
>> +
>> +        pa_assert_se(dbus_message_iter_next(&arg_i));
>> +        pa_assert(dbus_message_iter_get_arg_type(&arg_i) == DBUS_TYPE_ARRAY);
>> +
>> +        if (pa_streq(interface, "org.bluez.Device1")) {
>> +            pa_bluetooth_device *d;
>> +
>> +            if (!(d = pa_hashmap_get(y->devices, dbus_message_get_path(m))))
>> +                return DBUS_HANDLER_RESULT_NOT_YET_HANDLED; /* Device not being tracked */
>> +
>> +            parse_device_properties(d, &arg_i, true);
>> +        }
>> +
>> +        return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
>>      }
>>
>>  fail:
>> @@ -1917,6 +1944,8 @@ pa_bluetooth_discovery* pa_bluetooth_discovery_get(pa_core *c) {
>>                  "type='signal',sender='org.bluez',interface='org.bluez.MediaTransport',member='PropertyChanged'",
>>                  "type='signal',sender='org.bluez',interface='org.freedesktop.DBus.ObjectManager',member='InterfacesAdded'",
>>                  "type='signal',sender='org.bluez',interface='org.freedesktop.DBus.ObjectManager',member='InterfacesRemoved'",
>> +                "type='signal',sender='org.bluez',interface='org.freedesktop.DBus.Properties',member='PropertiesChanged'"
>> +                ",arg0='org.bluez.Device1'",
>
> Why are you not removing this match on pa_bluetooth_discovery_unref()?

Both matches should be removed pa_bluetooth_discovery_unref(), thanks
for pointing it out.

I'll fix this for v5.

Cheers,
Mikel


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