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_LIST_VTABLE("ExecStartPre", offsetof(Service, exec_command[SERVICE_EXEC_START_PRE]), 0),
64 BUS_EXEC_COMMAND_LIST_VTABLE("ExecStart", offsetof(Service, exec_command[SERVICE_EXEC_START]), 0),
65 BUS_EXEC_COMMAND_LIST_VTABLE("ExecStartPost", offsetof(Service, exec_command[SERVICE_EXEC_START_POST]), 0),
66 BUS_EXEC_COMMAND_LIST_VTABLE("ExecReload", offsetof(Service, exec_command[SERVICE_EXEC_RELOAD]), 0),
67 BUS_EXEC_COMMAND_LIST_VTABLE("ExecStop", offsetof(Service, exec_command[SERVICE_EXEC_STOP]), 0),
68 BUS_EXEC_COMMAND_LIST_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 r = sd_bus_message_exit_container(message);
176 if (mode != UNIT_CHECK) {
177 _cleanup_free_ char *buf = NULL;
178 _cleanup_fclose_ FILE *f = NULL;
183 exec_command_free_list(s->exec_command[SERVICE_EXEC_START]);
184 s->exec_command[SERVICE_EXEC_START] = NULL;
187 f = open_memstream(&buf, &size);
191 fputs("ExecStart=\n", f);
193 LIST_FOREACH(command, c, s->exec_command[SERVICE_EXEC_START]) {
194 _cleanup_free_ char *a;
196 a = strv_join_quoted(c->argv);
200 fprintf(f, "ExecStart=%s@%s %s\n",
201 c->ignore ? "-" : "",
207 unit_write_drop_in_private(UNIT(s), mode, name, buf);
216 int bus_service_set_property(
219 sd_bus_message *message,
220 UnitSetPropertiesMode mode,
221 sd_bus_error *error) {
223 Service *s = SERVICE(u);
230 r = bus_cgroup_set_property(u, &s->cgroup_context, name, message, mode, error);
234 if (u->transient && u->load_state == UNIT_STUB) {
235 /* This is a transient unit, let's load a little more */
237 r = bus_service_set_transient_property(s, name, message, mode, error);
241 r = bus_kill_context_set_transient_property(u, &s->kill_context, name, message, mode, error);
249 int bus_service_commit_properties(Unit *u) {
252 unit_realize_cgroup(u);