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ea430986 LP |
1 | /*-*- Mode: C; c-basic-offset: 8 -*-*/ |
2 | ||
86fbf370 LP |
3 | #include <errno.h> |
4 | ||
ea430986 LP |
5 | #include "dbus.h" |
6 | #include "log.h" | |
7 | ||
8 | static const char introspection[] = | |
9 | DBUS_INTROSPECT_1_0_XML_DOCTYPE_DECL_NODE | |
10 | "<node>" | |
11 | " <interface name=\"org.freedesktop.systemd1.Job\">" | |
b548631a | 12 | " <method name=\"Cancel\"/>" |
86fbf370 LP |
13 | " <property name=\"Id\" type=\"u\" access=\"read\"/>" |
14 | " <property name=\"Unit\" type=\"(so)\" access=\"read\"/>" | |
b548631a | 15 | " <property name=\"JobType\" type=\"s\" access=\"read\"/>" |
86fbf370 | 16 | " <property name=\"State\" type=\"s\" access=\"read\"/>" |
ea430986 LP |
17 | " </interface>" |
18 | BUS_PROPERTIES_INTERFACE | |
19 | BUS_INTROSPECTABLE_INTERFACE | |
20 | "</node>"; | |
21 | ||
86fbf370 LP |
22 | static int bus_job_append_state(Manager *m, DBusMessageIter *i, const char *property, void *data) { |
23 | Job *j = data; | |
24 | const char *state; | |
25 | ||
26 | assert(m); | |
27 | assert(i); | |
28 | assert(property); | |
29 | assert(j); | |
30 | ||
31 | state = job_state_to_string(j->state); | |
32 | ||
33 | if (!dbus_message_iter_append_basic(i, DBUS_TYPE_STRING, &state)) | |
34 | return -ENOMEM; | |
35 | ||
36 | return 0; | |
37 | } | |
38 | ||
39 | static int bus_job_append_type(Manager *m, DBusMessageIter *i, const char *property, void *data) { | |
40 | Job *j = data; | |
41 | const char *type; | |
42 | ||
43 | assert(m); | |
44 | assert(i); | |
45 | assert(property); | |
46 | assert(j); | |
47 | ||
48 | type = job_type_to_string(j->type); | |
49 | ||
50 | if (!dbus_message_iter_append_basic(i, DBUS_TYPE_STRING, &type)) | |
51 | return -ENOMEM; | |
52 | ||
53 | return 0; | |
54 | } | |
55 | ||
56 | static int bus_job_append_unit(Manager *m, DBusMessageIter *i, const char *property, void *data) { | |
57 | Job *j = data; | |
58 | DBusMessageIter sub; | |
59 | char *p; | |
60 | const char *id; | |
61 | ||
62 | assert(m); | |
63 | assert(i); | |
64 | assert(property); | |
65 | assert(j); | |
66 | ||
67 | if (!dbus_message_iter_open_container(i, DBUS_TYPE_STRUCT, NULL, &sub)) | |
68 | return -ENOMEM; | |
69 | ||
70 | if (!(p = unit_dbus_path(j->unit))) | |
71 | return -ENOMEM; | |
72 | ||
73 | id = unit_id(j->unit); | |
74 | ||
75 | if (!dbus_message_iter_append_basic(&sub, DBUS_TYPE_STRING, &id) || | |
76 | !dbus_message_iter_append_basic(&sub, DBUS_TYPE_OBJECT_PATH, &p)) { | |
77 | free(p); | |
78 | return -ENOMEM; | |
79 | } | |
80 | ||
81 | free(p); | |
82 | ||
83 | if (!dbus_message_iter_close_container(i, &sub)) | |
84 | return -ENOMEM; | |
85 | ||
86 | return 0; | |
87 | } | |
88 | ||
89 | static DBusHandlerResult bus_job_message_dispatch(Job *j, DBusMessage *message) { | |
86fbf370 | 90 | const BusProperty properties[] = { |
b548631a LP |
91 | { "org.freedesktop.systemd1.Job", "Id", bus_property_append_uint32, "u", &j->id }, |
92 | { "org.freedesktop.systemd1.Job", "State", bus_job_append_state, "s", j }, | |
93 | { "org.freedesktop.systemd1.Job", "JobType", bus_job_append_type, "s", j }, | |
94 | { "org.freedesktop.systemd1.Job", "Unit", bus_job_append_unit, "(so)", j }, | |
86fbf370 LP |
95 | { NULL, NULL, NULL, NULL, NULL } |
96 | }; | |
97 | ||
b548631a LP |
98 | DBusMessage *reply = NULL; |
99 | Manager *m = j->manager; | |
100 | ||
101 | if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Job", "Cancel")) { | |
102 | if (!(reply = dbus_message_new_method_return(message))) | |
103 | goto oom; | |
104 | ||
105 | job_free(j); | |
106 | ||
107 | } else | |
108 | return bus_default_message_handler(j->manager, message, introspection, properties); | |
109 | ||
110 | if (reply) { | |
111 | if (!dbus_connection_send(m->bus, reply, NULL)) | |
112 | goto oom; | |
113 | ||
114 | dbus_message_unref(reply); | |
115 | } | |
116 | ||
117 | return DBUS_HANDLER_RESULT_HANDLED; | |
118 | ||
119 | oom: | |
120 | if (reply) | |
121 | dbus_message_unref(reply); | |
122 | ||
123 | return DBUS_HANDLER_RESULT_NEED_MEMORY; | |
86fbf370 LP |
124 | } |
125 | ||
ea430986 LP |
126 | DBusHandlerResult bus_job_message_handler(DBusConnection *connection, DBusMessage *message, void *data) { |
127 | Manager *m = data; | |
86fbf370 LP |
128 | Job *j; |
129 | int r; | |
ea430986 LP |
130 | |
131 | assert(connection); | |
132 | assert(message); | |
133 | assert(m); | |
134 | ||
135 | log_debug("Got D-Bus request: %s.%s() on %s", | |
136 | dbus_message_get_interface(message), | |
137 | dbus_message_get_member(message), | |
138 | dbus_message_get_path(message)); | |
139 | ||
86fbf370 LP |
140 | if ((r = manager_get_job_from_dbus_path(m, dbus_message_get_path(message), &j)) < 0) { |
141 | ||
142 | if (r == -ENOMEM) | |
143 | return DBUS_HANDLER_RESULT_NEED_MEMORY; | |
144 | ||
145 | if (r == -ENOENT) | |
146 | return DBUS_HANDLER_RESULT_NOT_YET_HANDLED; | |
147 | ||
148 | return bus_send_error_reply(m, message, NULL, r); | |
149 | } | |
150 | ||
151 | return bus_job_message_dispatch(j, message); | |
ea430986 LP |
152 | } |
153 | ||
154 | const DBusObjectPathVTable bus_job_vtable = { | |
155 | .message_function = bus_job_message_handler | |
156 | }; |