if (!s)
return -ENOMEM;
- if (!unit_name_is_valid(s)) {
+ if (!unit_name_is_valid(s, false)) {
r = -EINVAL;
goto fail;
}
set_free_free(u->meta.names);
- free(u->meta.instance);
+ condition_free_list(u->meta.conditions);
+ free(u->meta.instance);
free(u);
}
assert(other);
assert(d < _UNIT_DEPENDENCY_MAX);
+ /* Fix backwards pointers */
SET_FOREACH(back, other->meta.dependencies[d], i) {
UnitDependency k;
if (u->meta.description)
return u->meta.description;
- return u->meta.id;
+ return strna(u->meta.id);
}
void unit_dump(Unit *u, FILE *f, const char *prefix) {
if (u->meta.job_timeout > 0)
fprintf(f, "%s\tJob Timeout: %s\n", prefix, format_timespan(timespan, sizeof(timespan), u->meta.job_timeout));
+ condition_dump_list(u->meta.conditions, f, prefix);
+
for (d = 0; d < _UNIT_DEPENDENCY_MAX; d++) {
Unit *other;
if (u->meta.load_state == UNIT_LOADED) {
fprintf(f,
- "%s\tRecursive Stop: %s\n"
"%s\tStopWhenUnneeded: %s\n"
"%s\tRefuseManualStart: %s\n"
"%s\tRefuseManualStop: %s\n"
- "%s\tDefaultDependencies: %s\n"
- "%s\tIgnoreDependencyFailure: %s\n",
- prefix, yes_no(u->meta.recursive_stop),
+ "%s\tDefaultDependencies: %s\n",
prefix, yes_no(u->meta.stop_when_unneeded),
prefix, yes_no(u->meta.refuse_manual_start),
prefix, yes_no(u->meta.refuse_manual_stop),
- prefix, yes_no(u->meta.default_dependencies),
- prefix, yes_no(u->meta.ignore_dependency_failure));
+ prefix, yes_no(u->meta.default_dependencies));
LIST_FOREACH(by_unit, b, u->meta.cgroup_bondings)
fprintf(f, "%s\tControlGroup: %s:%s\n",
return 0;
}
+int unit_add_default_target_dependency(Unit *u, Unit *target) {
+ assert(u);
+ assert(target);
+
+ if (target->meta.type != UNIT_TARGET)
+ return 0;
+
+ /* Only add the dependency if boths units are loaded, so that
+ * that loop check below is reliable */
+ if (u->meta.load_state != UNIT_LOADED ||
+ target->meta.load_state != UNIT_LOADED)
+ return 0;
+
+ /* Don't create loops */
+ if (set_get(target->meta.dependencies[UNIT_BEFORE], u))
+ return 0;
+
+ return unit_add_dependency(target, UNIT_AFTER, u, true);
+}
+
+static int unit_add_default_dependencies(Unit *u) {
+ Unit *target;
+ Iterator i;
+ int r;
+
+ assert(u);
+
+ SET_FOREACH(target, u->meta.dependencies[UNIT_REQUIRED_BY], i)
+ if ((r = unit_add_default_target_dependency(u, target)) < 0)
+ return r;
+
+ SET_FOREACH(target, u->meta.dependencies[UNIT_REQUIRED_BY_OVERRIDABLE], i)
+ if ((r = unit_add_default_target_dependency(u, target)) < 0)
+ return r;
+
+ SET_FOREACH(target, u->meta.dependencies[UNIT_WANTED_BY], i)
+ if ((r = unit_add_default_target_dependency(u, target)) < 0)
+ return r;
+
+ SET_FOREACH(target, u->meta.dependencies[UNIT_BOUND_BY], i)
+ if ((r = unit_add_default_target_dependency(u, target)) < 0)
+ return r;
+
+ return 0;
+}
+
int unit_load(Unit *u) {
int r;
goto fail;
}
+ if (u->meta.load_state == UNIT_LOADED &&
+ u->meta.default_dependencies)
+ if ((r = unit_add_default_dependencies(u)) < 0)
+ goto fail;
+
assert((u->meta.load_state != UNIT_MERGED) == !u->meta.merged_into);
unit_add_to_dbus_queue(unit_follow_merge(u));
*/
int unit_start(Unit *u) {
UnitActiveState state;
+ Unit *following;
assert(u);
if (UNIT_IS_ACTIVE_OR_RELOADING(state))
return -EALREADY;
+ /* If the conditions failed, don't do anything at all */
+ if (!condition_test_list(u->meta.conditions)) {
+ log_debug("Starting of %s requested but condition failed. Ignoring.", u->meta.id);
+ return -EALREADY;
+ }
+
+ /* Forward to the main object, if we aren't it. */
+ if ((following = unit_following(u))) {
+ log_debug("Redirecting start request from %s to %s.", u->meta.id, following->meta.id);
+ return unit_start(following);
+ }
+
/* If it is stopped, but we cannot start it, then fail */
if (!UNIT_VTABLE(u)->start)
return -EBADR;
unit_add_to_dbus_queue(u);
unit_status_printf(u, "Starting %s...\n", unit_description(u));
-
return UNIT_VTABLE(u)->start(u);
}
*/
int unit_stop(Unit *u) {
UnitActiveState state;
+ Unit *following;
assert(u);
if (UNIT_IS_INACTIVE_OR_FAILED(state))
return -EALREADY;
+ if ((following = unit_following(u))) {
+ log_debug("Redirecting stop request from %s to %s.", u->meta.id, following->meta.id);
+ return unit_stop(following);
+ }
+
if (!UNIT_VTABLE(u)->stop)
return -EBADR;
unit_add_to_dbus_queue(u);
unit_status_printf(u, "Stopping %s...\n", unit_description(u));
-
return UNIT_VTABLE(u)->stop(u);
}
*/
int unit_reload(Unit *u) {
UnitActiveState state;
+ Unit *following;
assert(u);
if (state != UNIT_ACTIVE)
return -ENOEXEC;
+ if ((following = unit_following(u))) {
+ log_debug("Redirecting reload request from %s to %s.", u->meta.id, following->meta.id);
+ return unit_reload(following);
+ }
+
unit_add_to_dbus_queue(u);
return UNIT_VTABLE(u)->reload(u);
}
return UNIT_VTABLE(u)->can_reload(u);
}
-static void unit_check_uneeded(Unit *u) {
+static void unit_check_unneeded(Unit *u) {
Iterator i;
Unit *other;
if (!UNIT_IS_INACTIVE_OR_DEACTIVATING(unit_active_state(other)))
return;
+ SET_FOREACH(other, u->meta.dependencies[UNIT_BOUND_BY], i)
+ if (!UNIT_IS_INACTIVE_OR_DEACTIVATING(unit_active_state(other)))
+ return;
+
log_info("Service %s is not needed anymore. Stopping.", u->meta.id);
/* Ok, nobody needs us anymore. Sniff. Then let's commit suicide */
assert(UNIT_IS_ACTIVE_OR_ACTIVATING(unit_active_state(u)));
SET_FOREACH(other, u->meta.dependencies[UNIT_REQUIRES], i)
- if (!UNIT_IS_ACTIVE_OR_ACTIVATING(unit_active_state(other)))
+ if (!set_get(u->meta.dependencies[UNIT_AFTER], other) &&
+ !UNIT_IS_ACTIVE_OR_ACTIVATING(unit_active_state(other)))
+ manager_add_job(u->meta.manager, JOB_START, other, JOB_REPLACE, true, NULL, NULL);
+
+ SET_FOREACH(other, u->meta.dependencies[UNIT_BIND_TO], i)
+ if (!set_get(u->meta.dependencies[UNIT_AFTER], other) &&
+ !UNIT_IS_ACTIVE_OR_ACTIVATING(unit_active_state(other)))
manager_add_job(u->meta.manager, JOB_START, other, JOB_REPLACE, true, NULL, NULL);
SET_FOREACH(other, u->meta.dependencies[UNIT_REQUIRES_OVERRIDABLE], i)
- if (!UNIT_IS_ACTIVE_OR_ACTIVATING(unit_active_state(other)))
+ if (!set_get(u->meta.dependencies[UNIT_AFTER], other) &&
+ !UNIT_IS_ACTIVE_OR_ACTIVATING(unit_active_state(other)))
manager_add_job(u->meta.manager, JOB_START, other, JOB_FAIL, false, NULL, NULL);
SET_FOREACH(other, u->meta.dependencies[UNIT_REQUISITE], i)
- if (!UNIT_IS_ACTIVE_OR_ACTIVATING(unit_active_state(other)))
+ if (!set_get(u->meta.dependencies[UNIT_AFTER], other) &&
+ !UNIT_IS_ACTIVE_OR_ACTIVATING(unit_active_state(other)))
manager_add_job(u->meta.manager, JOB_START, other, JOB_REPLACE, true, NULL, NULL);
SET_FOREACH(other, u->meta.dependencies[UNIT_WANTS], i)
- if (!UNIT_IS_ACTIVE_OR_ACTIVATING(unit_active_state(other)))
+ if (!set_get(u->meta.dependencies[UNIT_AFTER], other) &&
+ !UNIT_IS_ACTIVE_OR_ACTIVATING(unit_active_state(other)))
manager_add_job(u->meta.manager, JOB_START, other, JOB_FAIL, false, NULL, NULL);
SET_FOREACH(other, u->meta.dependencies[UNIT_CONFLICTS], i)
- if (!UNIT_IS_ACTIVE_OR_ACTIVATING(unit_active_state(other)))
+ if (!UNIT_IS_INACTIVE_OR_DEACTIVATING(unit_active_state(other)))
manager_add_job(u->meta.manager, JOB_STOP, other, JOB_REPLACE, true, NULL, NULL);
SET_FOREACH(other, u->meta.dependencies[UNIT_CONFLICTED_BY], i)
- if (!UNIT_IS_ACTIVE_OR_ACTIVATING(unit_active_state(other)))
+ if (!UNIT_IS_INACTIVE_OR_DEACTIVATING(unit_active_state(other)))
manager_add_job(u->meta.manager, JOB_STOP, other, JOB_REPLACE, true, NULL, NULL);
}
assert(u);
assert(UNIT_IS_INACTIVE_OR_DEACTIVATING(unit_active_state(u)));
- if (u->meta.recursive_stop) {
- /* Pull down units need us recursively if enabled */
- SET_FOREACH(other, u->meta.dependencies[UNIT_REQUIRED_BY], i)
- if (!UNIT_IS_INACTIVE_OR_DEACTIVATING(unit_active_state(other)))
- manager_add_job(u->meta.manager, JOB_STOP, other, JOB_REPLACE, true, NULL, NULL);
- }
+ /* Pull down units which are bound to us recursively if enabled */
+ SET_FOREACH(other, u->meta.dependencies[UNIT_BOUND_BY], i)
+ if (!UNIT_IS_INACTIVE_OR_DEACTIVATING(unit_active_state(other)))
+ manager_add_job(u->meta.manager, JOB_STOP, other, JOB_REPLACE, true, NULL, NULL);
/* Garbage collect services that might not be needed anymore, if enabled */
SET_FOREACH(other, u->meta.dependencies[UNIT_REQUIRES], i)
if (!UNIT_IS_INACTIVE_OR_DEACTIVATING(unit_active_state(other)))
- unit_check_uneeded(other);
+ unit_check_unneeded(other);
SET_FOREACH(other, u->meta.dependencies[UNIT_REQUIRES_OVERRIDABLE], i)
if (!UNIT_IS_INACTIVE_OR_DEACTIVATING(unit_active_state(other)))
- unit_check_uneeded(other);
+ unit_check_unneeded(other);
SET_FOREACH(other, u->meta.dependencies[UNIT_WANTS], i)
if (!UNIT_IS_INACTIVE_OR_DEACTIVATING(unit_active_state(other)))
- unit_check_uneeded(other);
+ unit_check_unneeded(other);
SET_FOREACH(other, u->meta.dependencies[UNIT_REQUISITE], i)
if (!UNIT_IS_INACTIVE_OR_DEACTIVATING(unit_active_state(other)))
- unit_check_uneeded(other);
+ unit_check_unneeded(other);
SET_FOREACH(other, u->meta.dependencies[UNIT_REQUISITE_OVERRIDABLE], i)
if (!UNIT_IS_INACTIVE_OR_DEACTIVATING(unit_active_state(other)))
- unit_check_uneeded(other);
+ unit_check_unneeded(other);
+ SET_FOREACH(other, u->meta.dependencies[UNIT_BIND_TO], i)
+ if (!UNIT_IS_INACTIVE_OR_DEACTIVATING(unit_active_state(other)))
+ unit_check_unneeded(other);
}
void unit_notify(Unit *u, UnitActiveState os, UnitActiveState ns) {
* something is already activated. */
if (unexpected && u->meta.manager->n_deserializing <= 0) {
- if (UNIT_IS_INACTIVE_OR_DEACTIVATING(os) && UNIT_IS_ACTIVE_OR_ACTIVATING(ns))
+ if (UNIT_IS_INACTIVE_OR_FAILED(os) && UNIT_IS_ACTIVE_OR_ACTIVATING(ns))
retroactively_start_dependencies(u);
else if (UNIT_IS_ACTIVE_OR_ACTIVATING(os) && UNIT_IS_INACTIVE_OR_DEACTIVATING(ns))
retroactively_stop_dependencies(u);
if (u->meta.type == UNIT_SERVICE &&
!UNIT_IS_ACTIVE_OR_RELOADING(os)) {
/* Write audit record if we have just finished starting up */
- manager_send_unit_audit(u->meta.manager, u, AUDIT_SERVICE_START, 1);
+ manager_send_unit_audit(u->meta.manager, u, AUDIT_SERVICE_START, true);
u->meta.in_audit = true;
}
+ if (!UNIT_IS_ACTIVE_OR_RELOADING(os))
+ manager_send_unit_plymouth(u->meta.manager, u);
+
} else {
if (unit_has_name(u, SPECIAL_SYSLOG_SERVICE))
/* Maybe we finished startup and are now ready for being
* stopped because unneeded? */
- unit_check_uneeded(u);
+ unit_check_unneeded(u);
unit_add_to_dbus_queue(u);
unit_add_to_gc_queue(u);
case JOB_VERIFY_ACTIVE:
case JOB_START:
+ case JOB_STOP:
return true;
- case JOB_STOP:
case JOB_RESTART:
case JOB_TRY_RESTART:
return unit_can_start(u);
[UNIT_WANTS] = UNIT_WANTED_BY,
[UNIT_REQUISITE] = UNIT_REQUIRED_BY,
[UNIT_REQUISITE_OVERRIDABLE] = UNIT_REQUIRED_BY_OVERRIDABLE,
+ [UNIT_BIND_TO] = UNIT_BOUND_BY,
[UNIT_REQUIRED_BY] = _UNIT_DEPENDENCY_INVALID,
[UNIT_REQUIRED_BY_OVERRIDABLE] = _UNIT_DEPENDENCY_INVALID,
[UNIT_WANTED_BY] = _UNIT_DEPENDENCY_INVALID,
+ [UNIT_BOUND_BY] = UNIT_BIND_TO,
[UNIT_CONFLICTS] = UNIT_CONFLICTED_BY,
[UNIT_CONFLICTED_BY] = UNIT_CONFLICTS,
[UNIT_BEFORE] = UNIT_AFTER,
assert(d >= 0 && d < _UNIT_DEPENDENCY_MAX);
assert(other);
+ u = unit_follow_merge(u);
+ other = unit_follow_merge(other);
+
/* We won't allow dependencies on ourselves. We will not
* consider them an error however. */
if (u == other)
(d == UNIT_REQUIRES ||
d == UNIT_REQUIRES_OVERRIDABLE ||
d == UNIT_REQUISITE ||
- d == UNIT_REQUISITE_OVERRIDABLE)) {
+ d == UNIT_REQUISITE_OVERRIDABLE ||
+ d == UNIT_BIND_TO)) {
return -EINVAL;
}
return strdup("");
}
+static char *specifier_filename(char specifier, void *data, void *userdata) {
+ Unit *u = userdata;
+ assert(u);
+
+ if (u->meta.instance)
+ return unit_name_path_unescape(u->meta.instance);
+
+ return unit_name_to_path(u->meta.instance);
+}
+
char *unit_name_printf(Unit *u, const char* format) {
/*
{ 'P', specifier_prefix_unescaped, NULL },
{ 'i', specifier_string, u->meta.instance },
{ 'I', specifier_instance_unescaped, NULL },
+ { 'f', specifier_filename, NULL },
{ 0, NULL, NULL }
};
if (u->meta.job)
unit_serialize_item(u, f, "job", job_type_to_string(u->meta.job->type));
+ dual_timestamp_serialize(f, "inactive-exit-timestamp", &u->meta.inactive_exit_timestamp);
+ dual_timestamp_serialize(f, "active-enter-timestamp", &u->meta.active_enter_timestamp);
+ dual_timestamp_serialize(f, "active-exit-timestamp", &u->meta.active_exit_timestamp);
+ dual_timestamp_serialize(f, "inactive-enter-timestamp", &u->meta.inactive_enter_timestamp);
+
/* End marker */
fputc('\n', f);
return 0;
u->meta.deserialized_job = type;
continue;
+ } else if (streq(l, "inactive-exit-timestamp")) {
+ dual_timestamp_deserialize(v, &u->meta.inactive_exit_timestamp);
+ continue;
+ } else if (streq(l, "active-enter-timestamp")) {
+ dual_timestamp_deserialize(v, &u->meta.active_enter_timestamp);
+ continue;
+ } else if (streq(l, "active-exit-timestamp")) {
+ dual_timestamp_deserialize(v, &u->meta.active_exit_timestamp);
+ continue;
+ } else if (streq(l, "inactive-enter-timestamp")) {
+ dual_timestamp_deserialize(v, &u->meta.inactive_enter_timestamp);
+ continue;
}
if ((r = UNIT_VTABLE(u)->deserialize_item(u, l, v, fds)) < 0)
if (r < 0)
return r;
- if ((r = unit_add_two_dependencies(u, UNIT_AFTER, UNIT_REQUIRES, device, true)) < 0)
+ if ((r = unit_add_two_dependencies(u, UNIT_AFTER, UNIT_BIND_TO, device, true)) < 0)
return r;
if (wants)
return NULL;
}
+bool unit_pending_inactive(Unit *u) {
+ assert(u);
+
+ /* Returns true if the unit is inactive or going down */
+
+ if (UNIT_IS_INACTIVE_OR_DEACTIVATING(unit_active_state(u)))
+ return true;
+
+ if (u->meta.job && u->meta.job->type == JOB_STOP)
+ return true;
+
+ return false;
+}
+
+bool unit_pending_active(Unit *u) {
+ assert(u);
+
+ /* Returns true if the unit is inactive or going down */
+
+ if (UNIT_IS_ACTIVE_OR_ACTIVATING(unit_active_state(u)))
+ return true;
+
+ if (u->meta.job &&
+ (u->meta.job->type == JOB_START ||
+ u->meta.job->type == JOB_RELOAD_OR_START ||
+ u->meta.job->type == JOB_RESTART))
+ return true;
+
+ return false;
+}
+
+UnitType unit_name_to_type(const char *n) {
+ UnitType t;
+
+ assert(n);
+
+ for (t = 0; t < _UNIT_TYPE_MAX; t++)
+ if (endswith(n, unit_vtable[t]->suffix))
+ return t;
+
+ return _UNIT_TYPE_INVALID;
+}
+
+bool unit_name_is_valid(const char *n, bool template_ok) {
+ UnitType t;
+
+ t = unit_name_to_type(n);
+ if (t < 0 || t >= _UNIT_TYPE_MAX)
+ return false;
+
+ return unit_name_is_valid_no_type(n, template_ok);
+}
+
+int unit_kill(Unit *u, KillWho w, KillMode m, int signo, DBusError *error) {
+ assert(u);
+ assert(w >= 0 && w < _KILL_WHO_MAX);
+ assert(m >= 0 && m < _KILL_MODE_MAX);
+ assert(signo > 0);
+ assert(signo < _NSIG);
+
+ if (m == KILL_NONE)
+ return 0;
+
+ if (!UNIT_VTABLE(u)->kill)
+ return -ENOTSUP;
+
+ return UNIT_VTABLE(u)->kill(u, w, m, signo, error);
+}
+
+
+int unit_following_set(Unit *u, Set **s) {
+ assert(u);
+ assert(s);
+
+ if (UNIT_VTABLE(u)->following_set)
+ return UNIT_VTABLE(u)->following_set(u, s);
+
+ *s = NULL;
+ return 0;
+}
+
static const char* const unit_load_state_table[_UNIT_LOAD_STATE_MAX] = {
[UNIT_STUB] = "stub",
[UNIT_LOADED] = "loaded",
[UNIT_ERROR] = "error",
- [UNIT_MERGED] = "merged"
+ [UNIT_MERGED] = "merged",
+ [UNIT_MASKED] = "masked"
};
DEFINE_STRING_TABLE_LOOKUP(unit_load_state, UnitLoadState);
[UNIT_REQUISITE_OVERRIDABLE] = "RequisiteOverridable",
[UNIT_REQUIRED_BY] = "RequiredBy",
[UNIT_REQUIRED_BY_OVERRIDABLE] = "RequiredByOverridable",
+ [UNIT_BIND_TO] = "BindTo",
[UNIT_WANTED_BY] = "WantedBy",
[UNIT_CONFLICTS] = "Conflicts",
[UNIT_CONFLICTED_BY] = "ConflictedBy",
+ [UNIT_BOUND_BY] = "BoundBy",
[UNIT_BEFORE] = "Before",
[UNIT_AFTER] = "After",
[UNIT_REFERENCES] = "References",
};
DEFINE_STRING_TABLE_LOOKUP(unit_dependency, UnitDependency);
-
-static const char* const kill_mode_table[_KILL_MODE_MAX] = {
- [KILL_CONTROL_GROUP] = "control-group",
- [KILL_PROCESS_GROUP] = "process-group",
- [KILL_PROCESS] = "process",
- [KILL_NONE] = "none"
-};
-
-DEFINE_STRING_TABLE_LOOKUP(kill_mode, KillMode);
~ianmdlvl / elogind.git / blobdiff