1 /*-*- Mode: C; c-basic-offset: 8 -*-*/
8 #define INTROSPECTION_BEGIN \
9 DBUS_INTROSPECT_1_0_XML_DOCTYPE_DECL_NODE \
11 " <interface name=\"org.freedesktop.systemd1\">" \
12 " <method name=\"GetUnit\">" \
13 " <arg name=\"name\" type=\"s\" direction=\"in\"/>" \
14 " <arg name=\"unit\" type=\"o\" direction=\"out\"/>" \
16 " <method name=\"LoadUnit\">" \
17 " <arg name=\"name\" type=\"s\" direction=\"in\"/>" \
18 " <arg name=\"unit\" type=\"o\" direction=\"out\"/>" \
20 " <method name=\"GetJob\">" \
21 " <arg name=\"id\" type=\"u\" direction=\"in\"/>" \
22 " <arg name=\"unit\" type=\"o\" direction=\"out\"/>" \
24 " <method name=\"ClearJobs\"/>" \
25 " <method name=\"ListUnits\">" \
26 " <arg name=\"units\" type=\"a(ssssouso)\" direction=\"out\"/>" \
28 " <method name=\"ListJobs\">" \
29 " <arg name=\"jobs\" type=\"a(usssoo)\" direction=\"out\"/>" \
32 BUS_PROPERTIES_INTERFACE \
33 BUS_INTROSPECTABLE_INTERFACE
35 #define INTROSPECTION_END \
38 DBusHandlerResult bus_manager_message_handler(DBusConnection *connection, DBusMessage *message, void *data) {
42 DBusMessage *reply = NULL;
49 dbus_error_init(&error);
51 log_debug("Got D-Bus request: %s.%s() on %s",
52 dbus_message_get_interface(message),
53 dbus_message_get_member(message),
54 dbus_message_get_path(message));
56 if (dbus_message_is_method_call(message, "org.freedesktop.systemd1", "GetUnit")) {
60 if (!dbus_message_get_args(
63 DBUS_TYPE_STRING, &name,
65 return bus_send_error_reply(m, message, &error, -EINVAL);
67 if (!(u = manager_get_unit(m, name)))
68 return bus_send_error_reply(m, message, NULL, -ENOENT);
70 if (!(reply = dbus_message_new_method_return(message)))
73 if (!(path = unit_dbus_path(u)))
76 if (!dbus_message_append_args(
78 DBUS_TYPE_OBJECT_PATH, &path,
82 } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1", "LoadUnit")) {
86 if (!dbus_message_get_args(
89 DBUS_TYPE_STRING, &name,
91 return bus_send_error_reply(m, message, &error, -EINVAL);
93 if ((r = manager_load_unit(m, name, &u)) < 0)
94 return bus_send_error_reply(m, message, NULL, r);
96 if (!(reply = dbus_message_new_method_return(message)))
99 if (!(path = unit_dbus_path(u)))
102 if (!dbus_message_append_args(
104 DBUS_TYPE_OBJECT_PATH, &path,
108 } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1", "GetJob")) {
112 if (!dbus_message_get_args(
115 DBUS_TYPE_UINT32, &id,
117 return bus_send_error_reply(m, message, &error, -EINVAL);
119 if (!(j = manager_get_job(m, id)))
120 return bus_send_error_reply(m, message, NULL, -ENOENT);
122 if (!(reply = dbus_message_new_method_return(message)))
125 if (!(path = job_dbus_path(j)))
128 if (!dbus_message_append_args(
130 DBUS_TYPE_OBJECT_PATH, &path,
134 } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1", "ClearJobs")) {
136 manager_clear_jobs(m);
138 if (!(reply = dbus_message_new_method_return(message)))
141 } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1", "ListUnits")) {
142 DBusMessageIter iter, sub;
147 if (!(reply = dbus_message_new_method_return(message)))
150 dbus_message_iter_init_append(reply, &iter);
152 if (!dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY, "(ssssouso)", &sub))
155 HASHMAP_FOREACH_KEY(u, k, m->units, i) {
156 char *unit_path, *job_path;
157 const char *id, *description, *load_state, *active_state, *job_type;
158 DBusMessageIter sub2;
165 if (!dbus_message_iter_open_container(&sub, DBUS_TYPE_STRUCT, NULL, &sub2))
168 description = unit_description(u);
169 load_state = unit_load_state_to_string(u->meta.load_state);
170 active_state = unit_active_state_to_string(unit_active_state(u));
172 if (!(unit_path = unit_dbus_path(u)))
176 job_id = (uint32_t) u->meta.job->id;
178 if (!(job_path = job_dbus_path(u->meta.job))) {
183 job_type = job_type_to_string(u->meta.job->state);
186 job_path = unit_path;
190 if (!dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &id) ||
191 !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &description) ||
192 !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &load_state) ||
193 !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &active_state) ||
194 !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_OBJECT_PATH, &unit_path) ||
195 !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_UINT32, &job_id) ||
196 !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &job_type) ||
197 !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_OBJECT_PATH, &job_path)) {
208 if (!dbus_message_iter_close_container(&sub, &sub2))
212 if (!dbus_message_iter_close_container(&iter, &sub))
215 } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1", "ListJobs")) {
216 DBusMessageIter iter, sub;
220 if (!(reply = dbus_message_new_method_return(message)))
223 dbus_message_iter_init_append(reply, &iter);
225 if (!dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY, "(usssoo)", &sub))
228 HASHMAP_FOREACH(j, m->jobs, i) {
229 char *unit_path, *job_path;
230 const char *unit, *state, *type;
232 DBusMessageIter sub2;
234 if (!dbus_message_iter_open_container(&sub, DBUS_TYPE_STRUCT, NULL, &sub2))
237 id = (uint32_t) j->id;
238 unit = unit_id(j->unit);
239 state = job_state_to_string(j->state);
240 type = job_type_to_string(j->state);
242 if (!(job_path = job_dbus_path(j)))
245 if (!(unit_path = unit_dbus_path(j->unit))) {
250 if (!dbus_message_iter_append_basic(&sub2, DBUS_TYPE_UINT32, &id) ||
251 !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &unit) ||
252 !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &type) ||
253 !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &state) ||
254 !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_OBJECT_PATH, &job_path) ||
255 !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_OBJECT_PATH, &unit_path)) {
264 if (!dbus_message_iter_close_container(&sub, &sub2))
268 if (!dbus_message_iter_close_container(&iter, &sub))
271 } else if (dbus_message_is_method_call(message, "org.freedesktop.DBus.Introspectable", "Introspect")) {
272 char *introspection = NULL;
280 if (!(reply = dbus_message_new_method_return(message)))
283 /* We roll our own introspection code here, instead of
284 * relying on bus_default_message_handler() because we
285 * need to generate our introspection string
288 if (!(f = open_memstream(&introspection, &size)))
291 fputs(INTROSPECTION_BEGIN, f);
293 HASHMAP_FOREACH_KEY(u, k, m->units, i) {
299 if (!(p = bus_path_escape(k))) {
305 fprintf(f, "<node name=\"unit/%s\"/>", p);
309 HASHMAP_FOREACH(j, m->jobs, i)
310 fprintf(f, "<node name=\"job/%lu\"/>", (unsigned long) j->id);
312 fputs(INTROSPECTION_END, f);
325 if (!dbus_message_append_args(reply, DBUS_TYPE_STRING, &introspection, DBUS_TYPE_INVALID)) {
333 return bus_default_message_handler(m, message, NULL, NULL);
338 if (!dbus_connection_send(connection, reply, NULL))
341 dbus_message_unref(reply);
344 return DBUS_HANDLER_RESULT_HANDLED;
350 dbus_message_unref(reply);
352 dbus_error_free(&error);
354 return DBUS_HANDLER_RESULT_NEED_MEMORY;
357 const DBusObjectPathVTable bus_manager_vtable = {
358 .message_function = bus_manager_message_handler