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), SD_BUS_VTABLE_PROPERTY_CONST),
42 SD_BUS_PROPERTY("Restart", "s", property_get_restart, offsetof(Service, restart), SD_BUS_VTABLE_PROPERTY_CONST),
43 SD_BUS_PROPERTY("PIDFile", "s", NULL, offsetof(Service, pid_file), SD_BUS_VTABLE_PROPERTY_CONST),
44 SD_BUS_PROPERTY("NotifyAccess", "s", property_get_notify_access, offsetof(Service, notify_access), SD_BUS_VTABLE_PROPERTY_CONST),
45 SD_BUS_PROPERTY("RestartUSec", "t", bus_property_get_usec, offsetof(Service, restart_usec), SD_BUS_VTABLE_PROPERTY_CONST),
46 SD_BUS_PROPERTY("TimeoutStartUSec", "t", bus_property_get_usec, offsetof(Service, timeout_start_usec), SD_BUS_VTABLE_PROPERTY_CONST),
47 SD_BUS_PROPERTY("TimeoutStopUSec", "t", bus_property_get_usec, offsetof(Service, timeout_stop_usec), SD_BUS_VTABLE_PROPERTY_CONST),
48 SD_BUS_PROPERTY("WatchdogUSec", "t", bus_property_get_usec, offsetof(Service, watchdog_usec), SD_BUS_VTABLE_PROPERTY_CONST),
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), SD_BUS_VTABLE_PROPERTY_CONST),
51 SD_BUS_PROPERTY("StartLimitBurst", "u", bus_property_get_unsigned, offsetof(Service, start_limit.burst), SD_BUS_VTABLE_PROPERTY_CONST),
52 SD_BUS_PROPERTY("StartLimitAction", "s", property_get_start_limit_action, offsetof(Service, start_limit_action), SD_BUS_VTABLE_PROPERTY_CONST),
53 SD_BUS_PROPERTY("PermissionsStartOnly", "b", bus_property_get_bool, offsetof(Service, permissions_start_only), SD_BUS_VTABLE_PROPERTY_CONST),
54 SD_BUS_PROPERTY("RootDirectoryStartOnly", "b", bus_property_get_bool, offsetof(Service, root_directory_start_only), SD_BUS_VTABLE_PROPERTY_CONST),
55 SD_BUS_PROPERTY("RemainAfterExit", "b", bus_property_get_bool, offsetof(Service, remain_after_exit), SD_BUS_VTABLE_PROPERTY_CONST),
56 SD_BUS_PROPERTY("GuessMainPID", "b", bus_property_get_bool, offsetof(Service, guess_main_pid), SD_BUS_VTABLE_PROPERTY_CONST),
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), SD_BUS_VTABLE_PROPERTY_CONST),
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]), SD_BUS_VTABLE_PROPERTY_EMITS_INVALIDATION),
64 BUS_EXEC_COMMAND_LIST_VTABLE("ExecStart", offsetof(Service, exec_command[SERVICE_EXEC_START]), SD_BUS_VTABLE_PROPERTY_EMITS_INVALIDATION),
65 BUS_EXEC_COMMAND_LIST_VTABLE("ExecStartPost", offsetof(Service, exec_command[SERVICE_EXEC_START_POST]), SD_BUS_VTABLE_PROPERTY_EMITS_INVALIDATION),
66 BUS_EXEC_COMMAND_LIST_VTABLE("ExecReload", offsetof(Service, exec_command[SERVICE_EXEC_RELOAD]), SD_BUS_VTABLE_PROPERTY_EMITS_INVALIDATION),
67 BUS_EXEC_COMMAND_LIST_VTABLE("ExecStop", offsetof(Service, exec_command[SERVICE_EXEC_STOP]), SD_BUS_VTABLE_PROPERTY_EMITS_INVALIDATION),
68 BUS_EXEC_COMMAND_LIST_VTABLE("ExecStopPost", offsetof(Service, exec_command[SERVICE_EXEC_STOP_POST]), SD_BUS_VTABLE_PROPERTY_EMITS_INVALIDATION),
72 static int bus_service_set_transient_property(
75 sd_bus_message *message,
76 UnitSetPropertiesMode mode,
77 sd_bus_error *error) {
85 if (streq(name, "RemainAfterExit")) {
88 r = sd_bus_message_read(message, "b", &b);
92 if (mode != UNIT_CHECK) {
93 s->remain_after_exit = b;
94 unit_write_drop_in_private_format(UNIT(s), mode, name, "RemainAfterExit=%s\n", yes_no(b));
99 } else if (streq(name, "ExecStart")) {
102 r = sd_bus_message_enter_container(message, 'a', "(sasb)");
106 while ((r = sd_bus_message_enter_container(message, 'r', "sasb")) > 0) {
107 _cleanup_strv_free_ char **argv = NULL;
111 r = sd_bus_message_read(message, "s", &path);
115 if (!path_is_absolute(path))
116 return sd_bus_error_set_errnof(error, EINVAL, "Path %s is not absolute.", path);
118 r = sd_bus_message_read_strv(message, &argv);
122 r = sd_bus_message_read(message, "b", &b);
126 r = sd_bus_message_exit_container(message);
130 if (mode != UNIT_CHECK) {
133 c = new0(ExecCommand, 1);
137 c->path = strdup(path);
148 path_kill_slashes(c->path);
149 exec_command_append_list(&s->exec_command[SERVICE_EXEC_START], c);
157 r = sd_bus_message_exit_container(message);
161 if (mode != UNIT_CHECK) {
162 _cleanup_free_ char *buf = NULL;
163 _cleanup_fclose_ FILE *f = NULL;
168 exec_command_free_list(s->exec_command[SERVICE_EXEC_START]);
169 s->exec_command[SERVICE_EXEC_START] = NULL;
172 f = open_memstream(&buf, &size);
176 fputs("ExecStart=\n", f);
178 LIST_FOREACH(command, c, s->exec_command[SERVICE_EXEC_START]) {
179 _cleanup_free_ char *a;
181 a = strv_join_quoted(c->argv);
185 fprintf(f, "ExecStart=%s@%s %s\n",
186 c->ignore ? "-" : "",
192 unit_write_drop_in_private(UNIT(s), mode, name, buf);
201 int bus_service_set_property(
204 sd_bus_message *message,
205 UnitSetPropertiesMode mode,
206 sd_bus_error *error) {
208 Service *s = SERVICE(u);
215 r = bus_cgroup_set_property(u, &s->cgroup_context, name, message, mode, error);
219 if (u->transient && u->load_state == UNIT_STUB) {
220 /* This is a transient unit, let's load a little more */
222 r = bus_service_set_transient_property(s, name, message, mode, error);
226 r = bus_kill_context_set_transient_property(u, &s->kill_context, name, message, mode, error);
234 int bus_service_commit_properties(Unit *u) {
237 unit_realize_cgroup(u);