1 /*-*- Mode: C; c-basic-offset: 8 -*-*/
8 static const char introspection
[] =
9 DBUS_INTROSPECT_1_0_XML_DOCTYPE_DECL_NODE
11 " <interface name=\"org.freedesktop.systemd1.Unit\">"
12 " <method name=\"Start\">"
13 " <arg name=\"mode\" type=\"s\" direction=\"in\"/>"
14 " <arg name=\"job\" type=\"o\" direction=\"out\"/>"
16 " <method name=\"Stop\">"
17 " <arg name=\"mode\" type=\"s\" direction=\"in\"/>"
18 " <arg name=\"job\" type=\"o\" direction=\"out\"/>"
20 " <method name=\"Restart\">"
21 " <arg name=\"mode\" type=\"s\" direction=\"in\"/>"
22 " <arg name=\"job\" type=\"o\" direction=\"out\"/>"
24 " <method name=\"Reload\">"
25 " <arg name=\"mode\" type=\"s\" direction=\"in\"/>"
26 " <arg name=\"job\" type=\"o\" direction=\"out\"/>"
28 " <property name=\"Id\" type=\"s\" access=\"read\"/>"
29 " <property name=\"Description\" type=\"s\" access=\"read\"/>"
30 " <property name=\"LoadState\" type=\"s\" access=\"read\"/>"
31 " <property name=\"ActiveState\" type=\"s\" access=\"read\"/>"
32 " <property name=\"LoadPath\" type=\"s\" access=\"read\"/>"
33 " <property name=\"ActiveEnterTimestamp\" type=\"t\" access=\"read\"/>"
34 " <property name=\"ActiveExitTimestamp\" type=\"t\" access=\"read\"/>"
35 " <property name=\"CanReload\" type=\"b\" access=\"read\"/>"
36 " <property name=\"CanStart\" type=\"b\" access=\"read\"/>"
37 " <property name=\"Job\" type=\"(uo)\" access=\"read\"/>"
39 BUS_PROPERTIES_INTERFACE
40 BUS_INTROSPECTABLE_INTERFACE
43 static int bus_unit_append_id(Manager
*m
, DBusMessageIter
*i
, const char *property
, void *data
) {
54 if (!dbus_message_iter_append_basic(i
, DBUS_TYPE_STRING
, &id
))
60 static int bus_unit_append_description(Manager
*m
, DBusMessageIter
*i
, const char *property
, void *data
) {
69 d
= unit_description(u
);
71 if (!dbus_message_iter_append_basic(i
, DBUS_TYPE_STRING
, &d
))
77 static int bus_unit_append_load_state(Manager
*m
, DBusMessageIter
*i
, const char *property
, void *data
) {
86 state
= unit_load_state_to_string(u
->meta
.load_state
);
88 if (!dbus_message_iter_append_basic(i
, DBUS_TYPE_STRING
, &state
))
94 static int bus_unit_append_active_state(Manager
*m
, DBusMessageIter
*i
, const char *property
, void *data
) {
103 state
= unit_active_state_to_string(unit_active_state(u
));
105 if (!dbus_message_iter_append_basic(i
, DBUS_TYPE_STRING
, &state
))
111 static int bus_unit_append_can_reload(Manager
*m
, DBusMessageIter
*i
, const char *property
, void *data
) {
120 b
= unit_can_reload(u
);
122 if (!dbus_message_iter_append_basic(i
, DBUS_TYPE_BOOLEAN
, &b
))
128 static int bus_unit_append_can_start(Manager
*m
, DBusMessageIter
*i
, const char *property
, void *data
) {
137 b
= unit_can_start(u
);
139 if (!dbus_message_iter_append_basic(i
, DBUS_TYPE_BOOLEAN
, &b
))
145 static int bus_unit_append_job(Manager
*m
, DBusMessageIter
*i
, const char *property
, void *data
) {
155 if (!dbus_message_iter_open_container(i
, DBUS_TYPE_STRUCT
, NULL
, &sub
))
160 if (!(p
= job_dbus_path(u
->meta
.job
)))
163 if (!dbus_message_iter_append_basic(&sub
, DBUS_TYPE_UINT32
, &u
->meta
.job
->id
) ||
164 !dbus_message_iter_append_basic(&sub
, DBUS_TYPE_OBJECT_PATH
, &p
)) {
171 /* No job, so let's fill in some placeholder
172 * data. Since we need to fill in a valid path we
173 * simple point to ourselves. */
175 if (!(p
= unit_dbus_path(u
)))
178 if (!dbus_message_iter_append_basic(&sub
, DBUS_TYPE_UINT32
, &id
) ||
179 !dbus_message_iter_append_basic(&sub
, DBUS_TYPE_OBJECT_PATH
, &p
)) {
187 if (!dbus_message_iter_close_container(i
, &sub
))
193 static DBusHandlerResult
bus_unit_message_dispatch(Unit
*u
, DBusMessage
*message
) {
195 const BusProperty properties
[] = {
196 { "org.freedesktop.systemd1.Unit", "Id", bus_unit_append_id
, "s", u
},
197 { "org.freedesktop.systemd1.Unit", "Description", bus_unit_append_description
, "s", u
},
198 { "org.freedesktop.systemd1.Unit", "LoadState", bus_unit_append_load_state
, "s", u
},
199 { "org.freedesktop.systemd1.Unit", "ActiveState", bus_unit_append_active_state
, "s", u
},
200 { "org.freedesktop.systemd1.Unit", "LoadPath", bus_property_append_string
, "s", u
->meta
.load_path
},
201 { "org.freedesktop.systemd1.Unit", "ActiveEnterTimestamp", bus_property_append_uint64
, "t", &u
->meta
.active_enter_timestamp
},
202 { "org.freedesktop.systemd1.Unit", "ActiveExitTimestamp", bus_property_append_uint64
, "t", &u
->meta
.active_exit_timestamp
},
203 { "org.freedesktop.systemd1.Unit", "CanReload", bus_unit_append_can_reload
, "b", u
},
204 { "org.freedesktop.systemd1.Unit", "CanStart", bus_unit_append_can_start
, "b", u
},
205 { "org.freedesktop.systemd1.Unit", "Job", bus_unit_append_job
, "(uo)", u
},
206 { NULL
, NULL
, NULL
, NULL
, NULL
}
209 DBusMessage
*reply
= NULL
;
210 Manager
*m
= u
->meta
.manager
;
212 JobType job_type
= _JOB_TYPE_INVALID
;
214 dbus_error_init(&error
);
216 if (dbus_message_is_method_call(message
, "org.freedesktop.systemd1.Unit", "Start"))
217 job_type
= JOB_START
;
218 else if (dbus_message_is_method_call(message
, "org.freedesktop.systemd1.Unit", "Stop"))
220 else if (dbus_message_is_method_call(message
, "org.freedesktop.systemd1.Unit", "Reload"))
221 job_type
= JOB_RELOAD
;
222 else if (dbus_message_is_method_call(message
, "org.freedesktop.systemd1.Unit", "Restart"))
223 job_type
= JOB_RESTART
;
225 return bus_default_message_handler(u
->meta
.manager
, message
, introspection
, properties
);
227 if (job_type
!= _JOB_TYPE_INVALID
) {
234 if (!dbus_message_get_args(
237 DBUS_TYPE_STRING
, &smode
,
239 return bus_send_error_reply(m
, message
, &error
, -EINVAL
);
241 if ((mode
= job_mode_from_string(smode
)) == _JOB_MODE_INVALID
)
242 return bus_send_error_reply(m
, message
, NULL
, -EINVAL
);
244 if ((r
= manager_add_job(m
, job_type
, u
, mode
, true, &j
)) < 0)
245 return bus_send_error_reply(m
, message
, NULL
, r
);
247 if (!(reply
= dbus_message_new_method_return(message
)))
250 if (!(path
= job_dbus_path(j
)))
253 if (!dbus_message_append_args(
255 DBUS_TYPE_OBJECT_PATH
, &path
,
261 if (!dbus_connection_send(m
->bus
, reply
, NULL
))
264 dbus_message_unref(reply
);
267 return DBUS_HANDLER_RESULT_HANDLED
;
271 dbus_message_unref(reply
);
273 dbus_error_free(&error
);
275 return DBUS_HANDLER_RESULT_NEED_MEMORY
;
278 static DBusHandlerResult
bus_unit_message_handler(DBusConnection
*connection
, DBusMessage
*message
, void *data
) {
287 log_debug("Got D-Bus request: %s.%s() on %s",
288 dbus_message_get_interface(message
),
289 dbus_message_get_member(message
),
290 dbus_message_get_path(message
));
292 if ((r
= manager_get_unit_from_dbus_path(m
, dbus_message_get_path(message
), &u
)) < 0) {
295 return DBUS_HANDLER_RESULT_NEED_MEMORY
;
298 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED
;
300 return bus_send_error_reply(m
, message
, NULL
, r
);
303 return bus_unit_message_dispatch(u
, message
);
306 const DBusObjectPathVTable bus_unit_vtable
= {
307 .message_function
= bus_unit_message_handler