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/>.
23 #include "path-util.h"
26 #include "dbus-unit.h"
27 #include "dbus-execute.h"
28 #include "dbus-kill.h"
29 #include "dbus-cgroup.h"
30 #include "dbus-service.h"
33 static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_type, service_type, ServiceType);
34 static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_result, service_result, ServiceResult);
35 static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_restart, service_restart, ServiceRestart);
36 static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_notify_access, notify_access, NotifyAccess);
37 static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_start_limit_action, start_limit_action, StartLimitAction);
39 const sd_bus_vtable bus_service_vtable[] = {
40 SD_BUS_VTABLE_START(0),
41 SD_BUS_PROPERTY("Type", "s", property_get_type, offsetof(Service, type), 0),
42 SD_BUS_PROPERTY("Restart", "s", property_get_restart, offsetof(Service, restart), 0),
43 SD_BUS_PROPERTY("PIDFile", "s", NULL, offsetof(Service, pid_file), 0),
44 SD_BUS_PROPERTY("NotifyAccess", "s", property_get_notify_access, offsetof(Service, notify_access), 0),
45 SD_BUS_PROPERTY("RestartUSec", "t", bus_property_get_usec, offsetof(Service, restart_usec), 0),
46 SD_BUS_PROPERTY("TimeoutStartUSec", "t", bus_property_get_usec, offsetof(Service, timeout_start_usec), 0),
47 SD_BUS_PROPERTY("TimeoutStopUSec", "t", bus_property_get_usec, offsetof(Service, timeout_stop_usec), 0),
48 SD_BUS_PROPERTY("WatchdogUSec", "t", bus_property_get_usec, offsetof(Service, watchdog_usec), 0),
49 BUS_PROPERTY_DUAL_TIMESTAMP("WatchdogTimestamp", offsetof(Service, watchdog_timestamp), 0),
50 SD_BUS_PROPERTY("StartLimitInterval", "t", bus_property_get_usec, offsetof(Service, start_limit.interval), 0),
51 SD_BUS_PROPERTY("StartLimitBurst", "u", bus_property_get_unsigned, offsetof(Service, start_limit.burst), 0),
52 SD_BUS_PROPERTY("StartLimitAction", "s", property_get_start_limit_action, offsetof(Service, start_limit_action), 0),
53 SD_BUS_PROPERTY("PermissionsStartOnly", "b", bus_property_get_bool, offsetof(Service, permissions_start_only), 0),
54 SD_BUS_PROPERTY("RootDirectoryStartOnly", "b", bus_property_get_bool, offsetof(Service, root_directory_start_only), 0),
55 SD_BUS_PROPERTY("RemainAfterExit", "b", bus_property_get_bool, offsetof(Service, remain_after_exit), 0),
56 SD_BUS_PROPERTY("GuessMainPID", "b", bus_property_get_bool, offsetof(Service, guess_main_pid), 0),
57 SD_BUS_PROPERTY("MainPID", "u", bus_property_get_pid, offsetof(Service, main_pid), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
58 SD_BUS_PROPERTY("ControlPID", "u", bus_property_get_pid, offsetof(Service, control_pid), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
59 SD_BUS_PROPERTY("BusName", "s", NULL, offsetof(Service, bus_name), 0),
60 SD_BUS_PROPERTY("StatusText", "s", NULL, offsetof(Service, status_text), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
61 SD_BUS_PROPERTY("Result", "s", property_get_result, offsetof(Service, result), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
62 BUS_EXEC_STATUS_VTABLE("ExecMain", offsetof(Service, main_exec_status), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
63 BUS_EXEC_COMMAND_VTABLE("ExecStartPre", offsetof(Service, exec_command[SERVICE_EXEC_START_PRE]), 0),
64 BUS_EXEC_COMMAND_VTABLE("ExecStart", offsetof(Service, exec_command[SERVICE_EXEC_START]), 0),
65 BUS_EXEC_COMMAND_VTABLE("ExecStartPost", offsetof(Service, exec_command[SERVICE_EXEC_START_POST]), 0),
66 BUS_EXEC_COMMAND_VTABLE("ExecReload", offsetof(Service, exec_command[SERVICE_EXEC_RELOAD]), 0),
67 BUS_EXEC_COMMAND_VTABLE("ExecStop", offsetof(Service, exec_command[SERVICE_EXEC_STOP]), 0),
68 BUS_EXEC_COMMAND_VTABLE("ExecStopPost", offsetof(Service, exec_command[SERVICE_EXEC_STOP_POST]), 0),
72 const char* const bus_service_changing_properties[] = {
73 "ExecMainStartTimestamp",
74 "ExecMainStartTimestampMonotonic",
75 "ExecMainExitTimestamp",
76 "ExecMainExitTimestampMonotonic",
87 static int bus_service_set_transient_property(
90 sd_bus_message *message,
91 UnitSetPropertiesMode mode,
92 sd_bus_error *error) {
100 if (streq(name, "RemainAfterExit")) {
103 r = sd_bus_message_read(message, "b", &b);
107 if (mode != UNIT_CHECK) {
108 s->remain_after_exit = b;
109 unit_write_drop_in_private_format(UNIT(s), mode, name, "RemainAfterExit=%s\n", yes_no(b));
114 } else if (streq(name, "ExecStart")) {
117 r = sd_bus_message_enter_container(message, 'a', "(sasb)");
121 while ((r = sd_bus_message_enter_container(message, 'r', "sasb")) > 0) {
122 _cleanup_strv_free_ char **argv = NULL;
126 r = sd_bus_message_read(message, "s", &path);
130 if (!path_is_absolute(path))
131 return sd_bus_error_set_errnof(error, EINVAL, "Path %s is not absolute.", path);
133 r = sd_bus_message_read_strv(message, &argv);
137 r = sd_bus_message_read(message, "b", &b);
141 r = sd_bus_message_exit_container(message);
145 if (mode != UNIT_CHECK) {
148 c = new0(ExecCommand, 1);
152 c->path = strdup(path);
163 path_kill_slashes(c->path);
164 exec_command_append_list(&s->exec_command[SERVICE_EXEC_START], c);
172 if (mode != UNIT_CHECK) {
173 _cleanup_free_ char *buf = NULL;
174 _cleanup_fclose_ FILE *f = NULL;
179 exec_command_free_list(s->exec_command[SERVICE_EXEC_START]);
180 s->exec_command[SERVICE_EXEC_START] = NULL;
183 f = open_memstream(&buf, &size);
187 fputs("ExecStart=\n", f);
189 LIST_FOREACH(command, c, s->exec_command[SERVICE_EXEC_START]) {
190 _cleanup_free_ char *a;
192 a = strv_join_quoted(c->argv);
196 fprintf(f, "ExecStart=%s@%s %s\n",
197 c->ignore ? "-" : "",
203 unit_write_drop_in_private(UNIT(s), mode, name, buf);
212 int bus_service_set_property(
215 sd_bus_message *message,
216 UnitSetPropertiesMode mode,
217 sd_bus_error *error) {
219 Service *s = SERVICE(u);
226 r = bus_cgroup_set_property(u, &s->cgroup_context, name, message, mode, error);
230 if (u->transient && u->load_state == UNIT_STUB) {
231 /* This is a transient unit, let's load a little more */
233 r = bus_service_set_transient_property(s, name, message, mode, error);
237 r = bus_kill_context_set_transient_property(u, &s->kill_context, name, message, mode, error);
245 int bus_service_commit_properties(Unit *u) {
248 unit_realize_cgroup(u);