1 /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
4 This file is part of systemd.
6 Copyright 2010 Lennart Poettering
8 systemd is free software; you can redistribute it and/or modify it
9 under the terms of the GNU Lesser General Public License as published by
10 the Free Software Foundation; either version 2.1 of the License, or
11 (at your option) any later version.
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 Lesser General Public License for more details.
18 You should have received a copy of the GNU Lesser General Public License
19 along with systemd; If not, see <http://www.gnu.org/licenses/>.
24 #include "selinux-access.h"
27 #include "dbus-client-track.h"
29 static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_type, job_type, JobType);
30 static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_state, job_state, JobState);
32 static int property_get_unit(
35 const char *interface,
37 sd_bus_message *reply,
39 sd_bus_error *error) {
41 _cleanup_free_ char *p = NULL;
48 p = unit_dbus_path(j->unit);
52 return sd_bus_message_append(reply, "(so)", j->unit->id, p);
55 static int method_cancel(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
63 r = selinux_unit_access_check(j->unit, bus, message, "stop", error);
67 job_finish_and_invalidate(j, JOB_CANCELED, true);
69 return sd_bus_reply_method_return(message, NULL);
72 const sd_bus_vtable bus_job_vtable[] = {
73 SD_BUS_VTABLE_START(0),
74 SD_BUS_METHOD("Cancel", NULL, NULL, method_cancel, 0),
75 SD_BUS_PROPERTY("Id", "u", NULL, offsetof(Job, id), 0),
76 SD_BUS_PROPERTY("Unit", "(so)", property_get_unit, 0, 0),
77 SD_BUS_PROPERTY("JobType", "s", property_get_type, offsetof(Job, type), 0),
78 SD_BUS_PROPERTY("State", "s", property_get_state, offsetof(Job, state), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
82 static int foreach_client(Job *j, int (*send_message)(sd_bus *bus, const char *name, Job *j)) {
83 BusTrackedClient *one_destination = NULL;
92 n = set_size(j->manager->subscribed);
93 m = set_size(j->subscribed);
99 one_destination = set_first(j->manager->subscribed);
100 else if (n == 0 && m == 1)
101 one_destination = set_first(j->subscribed);
103 one_destination = NULL;
106 return send_message(one_destination->bus, isempty(one_destination->name) ? NULL : one_destination->name, j);
108 /* Send to everybody */
109 SET_FOREACH(b, j->manager->private_buses, i) {
110 r = send_message(b, NULL, j);
115 if (j->manager->api_bus)
116 return send_message(j->manager->api_bus, NULL, j);
121 static int send_new_signal(sd_bus *bus, const char *destination, Job *j) {
122 _cleanup_bus_message_unref_ sd_bus_message *m = NULL;
123 _cleanup_free_ char *p = NULL;
129 p = job_dbus_path(j);
133 r = sd_bus_message_new_signal(
135 "/org/freedesktop/systemd1",
136 "org.freedesktop.systemd1.Manager",
142 r = sd_bus_message_append(m, "uos", j->id, p, j->unit->id);
146 return sd_bus_send_to(bus, m, destination, NULL);
149 static int send_changed_signal(sd_bus *bus, const char *destination, Job *j) {
150 _cleanup_free_ char *p = NULL;
155 p = job_dbus_path(j);
159 return sd_bus_emit_properties_changed(bus, p, "org.freedesktop.systemd1.Job", "State", NULL);
162 void bus_job_send_change_signal(Job *j) {
167 if (j->in_dbus_queue) {
168 LIST_REMOVE(dbus_queue, j->manager->dbus_job_queue, j);
169 j->in_dbus_queue = false;
172 r = foreach_client(j, j->sent_dbus_new_signal ? send_changed_signal : send_new_signal);
174 log_warning("Failed to send job change signal for %u/%s: %s", j->id, j->unit->id, strerror(-r));
176 j->sent_dbus_new_signal = true;
179 static int send_removed_signal(sd_bus *bus, const char *destination, Job *j) {
180 _cleanup_bus_message_unref_ sd_bus_message *m = NULL;
181 _cleanup_free_ char *p = NULL;
187 p = job_dbus_path(j);
192 r = sd_bus_message_new_signal(
194 "/org/freedesktop/systemd1",
195 "org.freedesktop.systemd1.Manager",
201 r = sd_bus_message_append(m, "uoss", j->id, p, j->unit->id, job_result_to_string(j->result));
205 return sd_bus_send_to(bus, m, destination, NULL);
208 void bus_job_send_removed_signal(Job *j) {
213 if (!j->sent_dbus_new_signal)
214 bus_job_send_change_signal(j);
216 r = foreach_client(j, send_removed_signal);
218 log_warning("Failed to send job removal signal for %u/%s: %s", j->id, j->unit->id, strerror(-r));