gdbus: Add support for setting D-Bus client basic properties

2 files changed, 99 insertions, 0 deletions

diff --git a/gdbus/client.c b/gdbus/client.c
index 7def1f5..c489c60 100644
--- a/gdbus/client.c
+++ b/gdbus/client.c
@@ -262,6 +262,98 @@ gboolean g_dbus_proxy_get_property(GDBusProxy *proxy, const char *name,
 	return TRUE;
 }
 
+struct set_property_data {
+	GDBusResultFunction function;
+	void *user_data;
+	GDBusDestroyFunction destroy;
+};
+
+static void set_property_reply(DBusPendingCall *call, void *user_data)
+{
+	struct set_property_data *data = user_data;
+	DBusMessage *reply = dbus_pending_call_steal_reply(call);
+	DBusError error;
+
+	dbus_error_init(&error);
+
+	dbus_set_error_from_message(&error, reply);
+
+	if (data->function)
+		data->function(&error, data->user_data);
+
+	if (data->destroy)
+		data->destroy(data->user_data);
+
+	dbus_error_free(&error);
+
+	dbus_message_unref(reply);
+}
+
+gboolean g_dbus_proxy_set_property_basic(GDBusProxy *proxy,
+				const char *name, int type, const void *value,
+				GDBusResultFunction function, void *user_data,
+				GDBusDestroyFunction destroy)
+{
+	struct set_property_data *data;
+	GDBusClient *client;
+	DBusMessage *msg;
+	DBusMessageIter iter, variant;
+	DBusPendingCall *call;
+	char type_as_str[2];
+
+	if (proxy == NULL || name == NULL || value == NULL)
+		return FALSE;
+
+	if (dbus_type_is_basic(type) == FALSE)
+		return FALSE;
+
+	client = proxy->client;
+	if (client == NULL)
+		return FALSE;
+
+	data = g_try_new0(struct set_property_data, 1);
+	if (data == NULL)
+		return FALSE;
+
+	data->function = function;
+	data->user_data = user_data;
+	data->destroy = destroy;
+
+	msg = dbus_message_new_method_call(client->service_name,
+			proxy->obj_path, DBUS_INTERFACE_PROPERTIES, "Set");
+	if (msg == NULL) {
+		g_free(data);
+		return FALSE;
+	}
+
+	type_as_str[0] = (char) type;
+	type_as_str[1] = '\0';
+
+	dbus_message_iter_init_append(msg, &iter);
+	dbus_message_iter_append_basic(&iter, DBUS_TYPE_STRING,
+							&proxy->interface);
+	dbus_message_iter_append_basic(&iter, DBUS_TYPE_STRING, &name);
+
+	dbus_message_iter_open_container(&iter, DBUS_TYPE_VARIANT,
+						type_as_str, &variant);
+	dbus_message_iter_append_basic(&variant, type, value);
+	dbus_message_iter_close_container(&iter, &variant);
+
+	if (dbus_connection_send_with_reply(client->dbus_conn, msg,
+							&call, -1) == FALSE) {
+		dbus_message_unref(msg);
+		g_free(data);
+		return FALSE;
+	}
+
+	dbus_pending_call_set_notify(call, set_property_reply, data, g_free);
+	dbus_pending_call_unref(call);
+
+	dbus_message_unref(msg);
+
+	return TRUE;
+}
+
 static void add_property(GDBusProxy *proxy, const char *name,
 						DBusMessageIter *iter)
 {
diff --git a/gdbus/gdbus.h b/gdbus/gdbus.h
index a0ca173..fa978db 100644
--- a/gdbus/gdbus.h
+++ b/gdbus/gdbus.h
@@ -279,6 +279,13 @@ const char *g_dbus_proxy_get_interface(GDBusProxy *proxy);
 gboolean g_dbus_proxy_get_property(GDBusProxy *proxy, const char *name,
 							DBusMessageIter *iter);
 
+typedef void (* GDBusResultFunction) (const DBusError *error, void *user_data);
+
+gboolean g_dbus_proxy_set_property_basic(GDBusProxy *proxy,
+				const char *name, int type, const void *value,
+				GDBusResultFunction function, void *user_data,
+				GDBusDestroyFunction destroy);
+
 typedef struct GDBusClient GDBusClient;
 
 GDBusClient *g_dbus_client_new(DBusConnection *connection,