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, "Type")) {
103 r = sd_bus_message_read(message, "s", &t);
107 k = service_type_from_string(t);
109 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid service type %s", t);
111 if (mode != UNIT_CHECK) {
113 unit_write_drop_in_private_format(UNIT(s), mode, name, "Type=%s\n", service_type_to_string(s->type));
118 } else if (streq(name, "ExecStart")) {
121 r = sd_bus_message_enter_container(message, 'a', "(sasb)");
125 while ((r = sd_bus_message_enter_container(message, 'r', "sasb")) > 0) {
126 _cleanup_strv_free_ char **argv = NULL;
130 r = sd_bus_message_read(message, "s", &path);
134 if (!path_is_absolute(path))
135 return sd_bus_error_set_errnof(error, EINVAL, "Path %s is not absolute.", path);
137 r = sd_bus_message_read_strv(message, &argv);
141 r = sd_bus_message_read(message, "b", &b);
145 r = sd_bus_message_exit_container(message);
149 if (mode != UNIT_CHECK) {
152 c = new0(ExecCommand, 1);
156 c->path = strdup(path);
167 path_kill_slashes(c->path);
168 exec_command_append_list(&s->exec_command[SERVICE_EXEC_START], c);
177 r = sd_bus_message_exit_container(message);
181 if (mode != UNIT_CHECK) {
182 _cleanup_free_ char *buf = NULL;
183 _cleanup_fclose_ FILE *f = NULL;
188 exec_command_free_list(s->exec_command[SERVICE_EXEC_START]);
189 s->exec_command[SERVICE_EXEC_START] = NULL;
192 f = open_memstream(&buf, &size);
196 fputs("ExecStart=\n", f);
198 LIST_FOREACH(command, c, s->exec_command[SERVICE_EXEC_START]) {
199 _cleanup_free_ char *a;
201 a = strv_join_quoted(c->argv);
205 fprintf(f, "ExecStart=%s@%s %s\n",
206 c->ignore ? "-" : "",
212 unit_write_drop_in_private(UNIT(s), mode, name, buf);
221 int bus_service_set_property(
224 sd_bus_message *message,
225 UnitSetPropertiesMode mode,
226 sd_bus_error *error) {
228 Service *s = SERVICE(u);
235 r = bus_cgroup_set_property(u, &s->cgroup_context, name, message, mode, error);
239 if (u->transient && u->load_state == UNIT_STUB) {
240 /* This is a transient unit, let's load a little more */
242 r = bus_service_set_transient_property(s, name, message, mode, error);
246 r = bus_exec_context_set_transient_property(u, &s->exec_context, name, message, mode, error);
250 r = bus_kill_context_set_transient_property(u, &s->kill_context, name, message, mode, error);
258 int bus_service_commit_properties(Unit *u) {
261 unit_update_cgroup_members_masks(u);
262 unit_realize_cgroup(u);