Emit signal when list of devices changes

diff --git a/src/device.c b/src/device.c
index 3d5136d..86493a5 100644 (file)
--- a/src/device.c
+++ b/src/device.c
@@ -299,13 +299,46 @@ static GDBusSignalTable device_signals[] = {
 
 static DBusConnection *connection;
 
+static void append_devices(DBusMessageIter *entry)
+{
+       DBusMessageIter value, iter;
+       const char *key = "Devices";
+
+       dbus_message_iter_append_basic(entry, DBUS_TYPE_STRING, &key);
+
+       dbus_message_iter_open_container(entry, DBUS_TYPE_VARIANT,
+               DBUS_TYPE_ARRAY_AS_STRING DBUS_TYPE_OBJECT_PATH_AS_STRING,
+                                                               &value);
+
+       dbus_message_iter_open_container(&value, DBUS_TYPE_ARRAY,
+                               DBUS_TYPE_OBJECT_PATH_AS_STRING, &iter);
+       __connman_element_list(NULL, CONNMAN_ELEMENT_TYPE_DEVICE, &iter);
+       dbus_message_iter_close_container(&value, &iter);
+
+       dbus_message_iter_close_container(entry, &value);
+}
+
+static void emit_devices_signal(void)
+{
+       DBusMessage *signal;
+       DBusMessageIter entry;
+
+       signal = dbus_message_new_signal(CONNMAN_MANAGER_PATH,
+                               CONNMAN_MANAGER_INTERFACE, "PropertyChanged");
+       if (signal == NULL)
+               return;
+
+       dbus_message_iter_init_append(signal, &entry);
+
+       append_devices(&entry);
+
+       g_dbus_send_message(connection, signal);
+}
+
 static int register_interface(struct connman_element *element)
 {
        struct connman_device *device = element->device;
 
-       g_dbus_unregister_interface(connection, element->path,
-                                               CONNMAN_DEVICE_INTERFACE);
-
        if (g_dbus_register_interface(connection, element->path,
                                        CONNMAN_DEVICE_INTERFACE,
                                        device_methods, device_signals,
@@ -314,11 +347,15 @@ static int register_interface(struct connman_element *element)
                return -EIO;
        }
 
+       emit_devices_signal();
+
        return 0;
 }
 
 static void unregister_interface(struct connman_element *element)
 {
+       emit_devices_signal();
+
        g_dbus_unregister_interface(connection, element->path,
                                                CONNMAN_DEVICE_INTERFACE);
 }