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bluetooth: Ignore Device.DisconnectRequested

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Handling the signal DisconnectRequested should be unnecessary since the
profile-specific interfaces will be later disconnected, leading to
module unload.

Additionally, the signal is problematic: if an interface (i.e.
A2DP AudioSource) is playing at the time DisconnectRequested is
signaled, the following sequence can occur:

1. AudioSource is playing
2. DisconnectRequested is received
3. Module is unloaded due to DisconnectRequested
4. AudioSource state changes from playing to connected
5. module-bluetooth-discover loads the module
6. AudioSource state changes from connected to disconnected

Therefore the module is unnecessarily loaded, to be unloaded immediately
afterwards. This can easily be reproduced if a device is unpaired while
the audio is streaming.

The simplest solution to this consists of removing step 3, by just
ignoring the DisconnectRequested signal. This reverts commit
8169a6a6c9.
This commit is contained in:
Mikel Astiz 2012-09-28 17:45:26 +02:00 • committed by Tanu Kaskinen
parent f0432ce6ae
commit 67c0090556
1 changed files with 0 additions and 18 deletions
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18
src/modules/bluetooth/bluetooth-util.c
View file

@ -862,22 +862,6 @@ 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.bluez.Device", "DisconnectRequested")) {
pa_bluetooth_device *d;
if ((d = pa_hashmap_get(y->devices, dbus_message_get_path(m)))) {
/* Device will disconnect in 2 sec */
d->audio_state = PA_BT_AUDIO_STATE_DISCONNECTED;
d->audio_sink_state = PA_BT_AUDIO_STATE_DISCONNECTED;
d->audio_source_state = PA_BT_AUDIO_STATE_DISCONNECTED;
d->headset_state = PA_BT_AUDIO_STATE_DISCONNECTED;
d->hfgw_state = PA_BT_AUDIO_STATE_DISCONNECTED;
run_callback(y, d, FALSE);
}
return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
} else if (dbus_message_is_signal(m, "org.freedesktop.DBus", "NameOwnerChanged")) {
const char *name, *old_owner, *new_owner;
@ -1471,7 +1455,6 @@ pa_bluetooth_discovery* pa_bluetooth_discovery_get(pa_core *c) {
"type='signal',sender='org.bluez',interface='org.bluez.Adapter',member='DeviceRemoved'",
"type='signal',sender='org.bluez',interface='org.bluez.Adapter',member='DeviceCreated'",
"type='signal',sender='org.bluez',interface='org.bluez.Device',member='PropertyChanged'",
"type='signal',sender='org.bluez',interface='org.bluez.Device',member='DisconnectRequested'",
"type='signal',sender='org.bluez',interface='org.bluez.Audio',member='PropertyChanged'",
"type='signal',sender='org.bluez',interface='org.bluez.Headset',member='PropertyChanged'",
"type='signal',sender='org.bluez',interface='org.bluez.AudioSink',member='PropertyChanged'",
@ -1537,7 +1520,6 @@ void pa_bluetooth_discovery_unref(pa_bluetooth_discovery *y) {
"type='signal',sender='org.bluez',interface='org.bluez.Adapter',member='DeviceRemoved'",
"type='signal',sender='org.bluez',interface='org.bluez.Adapter',member='DeviceCreated'",
"type='signal',sender='org.bluez',interface='org.bluez.Device',member='PropertyChanged'",
"type='signal',sender='org.bluez',interface='org.bluez.Device',member='DisconnectRequested'",
"type='signal',sender='org.bluez',interface='org.bluez.Audio',member='PropertyChanged'",
"type='signal',sender='org.bluez',interface='org.bluez.Headset',member='PropertyChanged'",
"type='signal',sender='org.bluez',interface='org.bluez.AudioSink',member='PropertyChanged'",