--- /dev/null
+/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
+
+/***
+ This file is part of systemd.
+
+ Copyright 2014 Lennart Poettering
+
+ systemd is free software; you can redistribute it and/or modify it
+ under the terms of the GNU Lesser General Public License as published by
+ the Free Software Foundation; either version 2.1 of the License, or
+ (at your option) any later version.
+
+ systemd is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public License
+ along with systemd; If not, see <http://www.gnu.org/licenses/>.
+***/
+
+#include "bus-label.h"
+#include "bus-common-errors.h"
+#include "strv.h"
+#include "image.h"
+
+static int image_find_by_bus_path(const char *path, Image **ret) {
+ _cleanup_free_ char *e = NULL;
+ const char *p;
+
+ assert(path);
+
+ p = startswith(path, "/org/freedesktop/machine1/image/");
+ if (!p)
+ return 0;
+
+ e = bus_label_unescape(p);
+ if (!e)
+ return -ENOMEM;
+
+ return image_find(e, ret);
+}
+
+static int image_find_by_bus_path_with_error(const char *path, Image **ret, sd_bus_error *error) {
+ int r;
+
+ assert(path);
+
+ r = image_find_by_bus_path(path, ret);
+ if (r == 0)
+ return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_IMAGE, "Image doesn't exist.");
+
+ return r;
+}
+
+static int property_get_name(
+ sd_bus *bus,
+ const char *path,
+ const char *interface,
+ const char *property,
+ sd_bus_message *reply,
+ void *userdata,
+ sd_bus_error *error) {
+
+ _cleanup_(image_unrefp) Image *image = NULL;
+ int r;
+
+ assert(bus);
+ assert(reply);
+
+ r = image_find_by_bus_path_with_error(path, &image, error);
+ if (r < 0)
+ return r;
+
+ r = sd_bus_message_append(reply, "s", image->name);
+ if (r < 0)
+ return r;
+
+ return 1;
+}
+
+static int property_get_path(
+ sd_bus *bus,
+ const char *path,
+ const char *interface,
+ const char *property,
+ sd_bus_message *reply,
+ void *userdata,
+ sd_bus_error *error) {
+
+ _cleanup_(image_unrefp) Image *image = NULL;
+ int r;
+
+ assert(bus);
+ assert(reply);
+
+ r = image_find_by_bus_path_with_error(path, &image, error);
+ if (r < 0)
+ return r;
+
+ r = sd_bus_message_append(reply, "s", image->path);
+ if (r < 0)
+ return r;
+
+ return 1;
+}
+
+static int property_get_type(
+ sd_bus *bus,
+ const char *path,
+ const char *interface,
+ const char *property,
+ sd_bus_message *reply,
+ void *userdata,
+ sd_bus_error *error) {
+
+
+ _cleanup_(image_unrefp) Image *image = NULL;
+ int r;
+
+ assert(bus);
+ assert(reply);
+
+ r = image_find_by_bus_path_with_error(path, &image, error);
+ if (r < 0)
+ return r;
+
+ r = sd_bus_message_append(reply, "s", image_type_to_string(image->type));
+ if (r < 0)
+ return r;
+
+ return 1;
+}
+
+static int property_get_read_only(
+ sd_bus *bus,
+ const char *path,
+ const char *interface,
+ const char *property,
+ sd_bus_message *reply,
+ void *userdata,
+ sd_bus_error *error) {
+
+
+ _cleanup_(image_unrefp) Image *image = NULL;
+ int r;
+
+ assert(bus);
+ assert(reply);
+
+ r = image_find_by_bus_path_with_error(path, &image, error);
+ if (r < 0)
+ return r;
+
+ r = sd_bus_message_append(reply, "b", image->read_only);
+ if (r < 0)
+ return r;
+
+ return 1;
+}
+
+const sd_bus_vtable image_vtable[] = {
+ SD_BUS_VTABLE_START(0),
+ SD_BUS_PROPERTY("Name", "s", property_get_name, 0, 0),
+ SD_BUS_PROPERTY("Path", "s", property_get_path, 0, 0),
+ SD_BUS_PROPERTY("Type", "s", property_get_type, 0, 0),
+ SD_BUS_PROPERTY("ReadOnly", "b", property_get_read_only, 0, 0),
+ SD_BUS_VTABLE_END
+};
+
+int image_object_find(sd_bus *bus, const char *path, const char *interface, void *userdata, void **found, sd_bus_error *error) {
+ int r;
+
+ assert(bus);
+ assert(path);
+ assert(interface);
+ assert(found);
+
+ r = image_find_by_bus_path(path, NULL);
+ if (r <= 0)
+ return r;
+
+ *found = NULL;
+ return 1;
+}
+
+char *image_bus_path(const char *name) {
+ _cleanup_free_ char *e = NULL;
+
+ assert(name);
+
+ e = bus_label_escape(name);
+ if (!e)
+ return NULL;
+
+ return strappend("/org/freedesktop/machine1/image/", e);
+}
+
+int image_node_enumerator(sd_bus *bus, const char *path, void *userdata, char ***nodes, sd_bus_error *error) {
+ _cleanup_(image_hashmap_freep) Hashmap *images = NULL;
+ _cleanup_strv_free_ char **l = NULL;
+ Image *image;
+ Iterator i;
+ int r;
+
+ assert(bus);
+ assert(path);
+ assert(nodes);
+
+ images = hashmap_new(&string_hash_ops);
+ if (!images)
+ return -ENOMEM;
+
+ r = image_discover(images);
+ if (r < 0)
+ return r;
+
+ HASHMAP_FOREACH(image, images, i) {
+ char *p;
+
+ p = image_bus_path(image->name);
+ if (!p)
+ return -ENOMEM;
+
+ r = strv_consume(&l, p);
+ if (r < 0)
+ return r;
+ }
+
+ *nodes = l;
+ l = NULL;
+
+ return 1;
+}
~ianmdlvl / elogind.git / blobdiff