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d6c9574f | 1 | /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ |
01f78473 LP |
2 | |
3 | /*** | |
4 | This file is part of systemd. | |
5 | ||
6 | Copyright 2010 Lennart Poettering | |
7 | ||
8 | systemd is free software; you can redistribute it and/or modify it | |
9 | under the terms of the GNU General Public License as published by | |
10 | the Free Software Foundation; either version 2 of the License, or | |
11 | (at your option) any later version. | |
12 | ||
13 | systemd is distributed in the hope that it will be useful, but | |
14 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
16 | General Public License for more details. | |
17 | ||
18 | You should have received a copy of the GNU General Public License | |
19 | along with systemd; If not, see <http://www.gnu.org/licenses/>. | |
20 | ***/ | |
21 | ||
22 | #include <errno.h> | |
23 | ||
24 | #include "dbus-unit.h" | |
25 | #include "dbus-path.h" | |
26 | #include "dbus-execute.h" | |
27 | ||
ebf57b80 LP |
28 | #define BUS_PATH_INTERFACE \ |
29 | " <interface name=\"org.freedesktop.systemd1.Path\">\n" \ | |
30 | " <property name=\"Unit\" type=\"s\" access=\"read\"/>\n" \ | |
31 | " <property name=\"Paths\" type=\"a(ss)\" access=\"read\"/>\n" \ | |
32 | " </interface>\n" | |
01f78473 LP |
33 | |
34 | #define INTROSPECTION \ | |
35 | DBUS_INTROSPECT_1_0_XML_DOCTYPE_DECL_NODE \ | |
36 | "<node>\n" \ | |
37 | BUS_UNIT_INTERFACE \ | |
ebf57b80 | 38 | BUS_PATH_INTERFACE \ |
01f78473 | 39 | BUS_PROPERTIES_INTERFACE \ |
c4e2ceae | 40 | BUS_PEER_INTERFACE \ |
01f78473 LP |
41 | BUS_INTROSPECTABLE_INTERFACE \ |
42 | "</node>\n" | |
43 | ||
05feefe0 LP |
44 | #define INTERFACES_LIST \ |
45 | BUS_UNIT_INTERFACES_LIST \ | |
46 | "org.freedesktop.systemd1.Path\0" | |
47 | ||
9a60da28 | 48 | const char bus_path_interface[] _introspect_("Path") = BUS_PATH_INTERFACE; |
01f78473 | 49 | |
ebf57b80 LP |
50 | static int bus_path_append_paths(Manager *m, DBusMessageIter *i, const char *property, void *data) { |
51 | Path *p = data; | |
52 | DBusMessageIter sub, sub2; | |
53 | PathSpec *k; | |
54 | ||
55 | assert(m); | |
56 | assert(i); | |
57 | assert(property); | |
58 | assert(p); | |
59 | ||
60 | if (!dbus_message_iter_open_container(i, DBUS_TYPE_ARRAY, "(ss)", &sub)) | |
61 | return -ENOMEM; | |
62 | ||
63 | LIST_FOREACH(spec, k, p->specs) { | |
64 | const char *t = path_type_to_string(k->type); | |
65 | ||
66 | if (!dbus_message_iter_open_container(&sub, DBUS_TYPE_STRUCT, NULL, &sub2) || | |
67 | !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &t) || | |
68 | !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &k->path) || | |
69 | !dbus_message_iter_close_container(&sub, &sub2)) | |
70 | return -ENOMEM; | |
71 | } | |
72 | ||
73 | if (!dbus_message_iter_close_container(i, &sub)) | |
74 | return -ENOMEM; | |
75 | ||
76 | return 0; | |
77 | } | |
78 | ||
b284eabd LP |
79 | static int bus_path_append_unit(Manager *m, DBusMessageIter *i, const char *property, void *data) { |
80 | Unit *u = data; | |
81 | const char *t; | |
82 | ||
83 | assert(m); | |
84 | assert(i); | |
85 | assert(property); | |
86 | assert(u); | |
87 | ||
88 | t = u->path.unit ? u->path.unit->meta.id : ""; | |
89 | ||
90 | return dbus_message_iter_append_basic(i, DBUS_TYPE_STRING, &t) ? 0 : -ENOMEM; | |
91 | } | |
92 | ||
5e8d1c9a | 93 | DBusHandlerResult bus_path_message_handler(Unit *u, DBusConnection *c, DBusMessage *message) { |
01f78473 LP |
94 | const BusProperty properties[] = { |
95 | BUS_UNIT_PROPERTIES, | |
b284eabd | 96 | { "org.freedesktop.systemd1.Path", "Unit", bus_path_append_unit, "s", u }, |
ebf57b80 | 97 | { "org.freedesktop.systemd1.Path", "Paths", bus_path_append_paths, "a(ss)", u }, |
01f78473 LP |
98 | { NULL, NULL, NULL, NULL, NULL } |
99 | }; | |
100 | ||
05feefe0 | 101 | return bus_default_message_handler(u->meta.manager, c, message, INTROSPECTION, INTERFACES_LIST, properties); |
01f78473 | 102 | } |