static void property_set_immediate_alert_level(
const GDBusPropertyTable *property, DBusMessageIter *iter,
GDBusPendingPropertySet id, void *data)
{
struct monitor *monitor = data;
struct btd_device *device = monitor->device;
const char *level;
if (dbus_message_iter_get_arg_type(iter) != DBUS_TYPE_STRING) {
g_dbus_pending_property_error(id,
ERROR_INTERFACE ".InvalidArguments",
"Invalid arguments in method call");
return;
}
dbus_message_iter_get_basic(iter, &level);
if (!level_is_valid(level)) {
g_dbus_pending_property_error(id,
ERROR_INTERFACE ".InvalidArguments",
"Invalid arguments in method call");
return;
}
if (g_strcmp0(monitor->immediatelevel, level) == 0)
goto done;
if (monitor->immediateto) {
g_source_remove(monitor->immediateto);
monitor->immediateto = 0;
}
/* Previous Immediate Alert level if connection/write fails */
g_free(monitor->fallbacklevel);
monitor->fallbacklevel = monitor->immediatelevel;
monitor->immediatelevel = g_strdup(level);
/*
* Means that Link/Path Loss are disabled or there is a pending
* writting for Find Me(Immediate Alert characteristic value).
* If enabled, Path Loss always registers a connection callback
* when the Proximity Monitor starts.
*/
if (monitor->attioid == 0)
monitor->attioid = btd_device_add_attio_callback(device,
attio_connected_cb,
attio_disconnected_cb,
monitor);
else if (monitor->attrib)
write_immediate_alert(monitor);
done:
g_dbus_pending_property_success(id);
}
static void attio_connected_cb(GAttrib *attrib, gpointer user_data)
{
struct monitor *monitor = user_data;
monitor->attrib = g_attrib_ref(attrib);
if (monitor->enabled.linkloss)
write_alert_level(monitor);
if (monitor->enabled.pathloss)
read_tx_power(monitor);
if (monitor->immediatehandle == 0) {
if(monitor->enabled.pathloss || monitor->enabled.findme)
discover_immediate_handle(monitor);
} else if (monitor->fallbacklevel)
write_immediate_alert(monitor);
}
static void immediate_handle_cb(GSList *characteristics, guint8 status,
gpointer user_data)
{
struct monitor *monitor = user_data;
struct att_char *chr;
if (status) {
error("Discover Immediate Alert handle: %s",
att_ecode2str(status));
return;
}
chr = characteristics->data;
monitor->immediatehandle = chr->value_handle;
DBG("Immediate Alert handle: 0x%04x", monitor->immediatehandle);
if (monitor->fallbacklevel)
write_immediate_alert(monitor);
}
static DBusMessage *set_immediate_alert(DBusConnection *conn, DBusMessage *msg,
const char *level, void *data)
{
struct monitor *monitor = data;
if (!level_is_valid(level))
return btd_error_invalid_args(msg);
if (g_strcmp0(monitor->immediatelevel, level) == 0)
return dbus_message_new_method_return(msg);
if (monitor->immediateto) {
g_source_remove(monitor->immediateto);
monitor->immediateto = 0;
}
/* Previous Immediate Alert level if connection/write fails */
g_free(monitor->fallbacklevel);
monitor->fallbacklevel = monitor->immediatelevel;
monitor->immediatelevel = g_strdup(level);
/*
* Means that Link/Path Loss are disabled or there is a pending
* writting for Find Me(Immediate Alert characteristic value).
* If enabled, Path Loss always registers a connection callback
* when the Proximity Monitor starts.
*/
if (monitor->attioid == 0)
monitor->attioid = btd_device_add_attio_callback(monitor->device,
attio_connected_cb,
attio_disconnected_cb,
monitor);
else if (monitor->attrib)
write_immediate_alert(monitor);
return dbus_message_new_method_return(msg);
}