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bluetooth: Get managed objects

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Get objects from the BlueZ 5 object manager. This code is based on
previous work by Mikel Astiz.
This commit is contained in:
João Paulo Rechi Vita 2013-09-24 19:45:28 -03:00 • committed by Tanu Kaskinen
parent d186d0f105
commit b8edddddd3
1 changed files with 60 additions and 1 deletions
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61
src/modules/bluetooth/bluez5-util.c
View file

@ -76,6 +76,7 @@ struct pa_bluetooth_discovery {
pa_dbus_connection *connection;
bool filter_added;
bool matches_added;
bool objects_listed;
pa_hook hooks[PA_BLUETOOTH_HOOK_MAX];
pa_hashmap *adapters;
pa_hashmap *devices;
@ -377,6 +378,61 @@ static void adapter_remove_all(pa_bluetooth_discovery *y) {
}
}
static void get_managed_objects_reply(DBusPendingCall *pending, void *userdata) {
pa_dbus_pending *p;
pa_bluetooth_discovery *y;
DBusMessage *r;
DBusMessageIter arg_i, element_i;
pa_assert_se(p = userdata);
pa_assert_se(y = p->context_data);
pa_assert_se(r = dbus_pending_call_steal_reply(pending));
if (dbus_message_is_error(r, DBUS_ERROR_UNKNOWN_METHOD)) {
pa_log_warn("BlueZ D-Bus ObjectManager not available");
goto finish;
}
if (dbus_message_get_type(r) == DBUS_MESSAGE_TYPE_ERROR) {
pa_log_error("GetManagedObjects() failed: %s: %s", dbus_message_get_error_name(r), pa_dbus_get_error_message(r));
goto finish;
}
if (!dbus_message_iter_init(r, &arg_i) || !pa_streq(dbus_message_get_signature(r), "a{oa{sa{sv}}}")) {
pa_log_error("Invalid reply signature for GetManagedObjects()");
goto finish;
}
dbus_message_iter_recurse(&arg_i, &element_i);
while (dbus_message_iter_get_arg_type(&element_i) == DBUS_TYPE_DICT_ENTRY) {
DBusMessageIter dict_i;
dbus_message_iter_recurse(&element_i, &dict_i);
/* TODO: parse interfaces and properties */
dbus_message_iter_next(&element_i);
}
y->objects_listed = true;
finish:
dbus_message_unref(r);
PA_LLIST_REMOVE(pa_dbus_pending, y->pending, p);
pa_dbus_pending_free(p);
}
static void get_managed_objects(pa_bluetooth_discovery *y) {
DBusMessage *m;
pa_assert(y);
pa_assert_se(m = dbus_message_new_method_call(BLUEZ_SERVICE, "/", "org.freedesktop.DBus.ObjectManager",
"GetManagedObjects"));
send_and_add_to_pending(y, m, get_managed_objects_reply, NULL);
}
pa_hook* pa_bluetooth_discovery_hook(pa_bluetooth_discovery *y, pa_bluetooth_hook_t hook) {
pa_assert(y);
pa_assert(PA_REFCNT_VALUE(y) > 0);
@ -411,11 +467,12 @@ static DBusHandlerResult filter_cb(DBusConnection *bus, DBusMessage *m, void *us
pa_log_debug("Bluetooth daemon disappeared");
device_remove_all(y);
adapter_remove_all(y);
y->objects_listed = false;
}
if (new_owner && *new_owner) {
pa_log_debug("Bluetooth daemon appeared");
/* TODO: get managed objects */
get_managed_objects(y);
}
}
@ -946,6 +1003,8 @@ pa_bluetooth_discovery* pa_bluetooth_discovery_get(pa_core *c) {
endpoint_init(y, PA_BLUETOOTH_PROFILE_A2DP_SINK);
endpoint_init(y, PA_BLUETOOTH_PROFILE_A2DP_SOURCE);
get_managed_objects(y);
return y;
fail: