#include "unit-name.h"
#include "specifier.h"
#include "dbus-unit.h"
+#include "special.h"
const UnitVTable * const unit_vtable[_UNIT_TYPE_MAX] = {
[UNIT_SERVICE] = &service_vtable,
[UNIT_MOUNT] = &mount_vtable,
[UNIT_AUTOMOUNT] = &automount_vtable,
[UNIT_SNAPSHOT] = &snapshot_vtable,
- [UNIT_SWAP] = &swap_vtable
+ [UNIT_SWAP] = &swap_vtable,
+ [UNIT_PATH] = &path_vtable
};
Unit *unit_new(Manager *m) {
u->meta.manager = m;
u->meta.type = _UNIT_TYPE_INVALID;
+ u->meta.deserialized_job = _JOB_TYPE_INVALID;
+ u->meta.default_dependencies = true;
return u;
}
if (u->meta.load_state == UNIT_STUB || u->meta.in_dbus_queue)
return;
- if (set_isempty(u->meta.manager->subscribed)) {
+ /* Shortcut things if nobody cares */
+ if (!bus_has_subscriber(u->meta.manager)) {
u->meta.sent_dbus_new_signal = true;
return;
}
bus_unit_send_removed_signal(u);
- /* Detach from next 'bigger' objects */
+ if (u->meta.load_state != UNIT_STUB)
+ if (UNIT_VTABLE(u)->done)
+ UNIT_VTABLE(u)->done(u);
+
SET_FOREACH(t, u->meta.names, i)
hashmap_remove_value(u->meta.manager->units, t, u);
+ if (u->meta.job)
+ job_free(u->meta.job);
+
+ for (d = 0; d < _UNIT_DEPENDENCY_MAX; d++)
+ bidi_set_free(u, u->meta.dependencies[d]);
+
if (u->meta.type != _UNIT_TYPE_INVALID)
LIST_REMOVE(Meta, units_per_type, u->meta.manager->units_per_type[u->meta.type], &u->meta);
u->meta.manager->n_in_gc_queue--;
}
- /* Free data and next 'smaller' objects */
- if (u->meta.job)
- job_free(u->meta.job);
-
- if (u->meta.load_state != UNIT_STUB)
- if (UNIT_VTABLE(u)->done)
- UNIT_VTABLE(u)->done(u);
-
cgroup_bonding_free_list(u->meta.cgroup_bondings);
- for (d = 0; d < _UNIT_DEPENDENCY_MAX; d++)
- bidi_set_free(u, u->meta.dependencies[d]);
-
free(u->meta.description);
free(u->meta.fragment_path);
- while ((t = set_steal_first(u->meta.names)))
- free(t);
- set_free(u->meta.names);
+ set_free_free(u->meta.names);
free(u->meta.instance);
UnitActiveState unit_active_state(Unit *u) {
assert(u);
- if (u->meta.load_state != UNIT_LOADED)
- return UNIT_INACTIVE;
+ if (u->meta.load_state == UNIT_MERGED)
+ return unit_active_state(unit_follow_merge(u));
+
+ /* After a reload it might happen that a unit is not correctly
+ * loaded but still has a process around. That's why we won't
+ * shortcut failed loading to UNIT_INACTIVE_MAINTENANCE. */
return UNIT_VTABLE(u)->active_state(u);
}
complete_move(&u->meta.names, &other->meta.names);
- while ((t = set_steal_first(other->meta.names)))
- free(t);
-
- set_free(other->meta.names);
+ set_free_free(other->meta.names);
other->meta.names = NULL;
other->meta.id = NULL;
if (other->meta.job)
return -EEXIST;
- if (unit_active_state(other) != UNIT_INACTIVE)
+ if (!UNIT_IS_INACTIVE_OR_MAINTENANCE(unit_active_state(other)))
return -EEXIST;
/* Merge names */
assert(u);
assert(c);
- if (c->std_output != EXEC_OUTPUT_KERNEL && c->std_output != EXEC_OUTPUT_SYSLOG)
+ if (c->std_output != EXEC_OUTPUT_KMSG &&
+ c->std_output != EXEC_OUTPUT_SYSLOG &&
+ c->std_error != EXEC_OUTPUT_KMSG &&
+ c->std_error != EXEC_OUTPUT_SYSLOG)
return 0;
/* If syslog or kernel logging is requested, make sure our own
if ((r = unit_add_dependency_by_name(u, UNIT_AFTER, SPECIAL_LOGGER_SOCKET, NULL, true)) < 0)
return r;
- if (u->meta.manager->running_as != MANAGER_SESSION)
+ if (u->meta.manager->running_as == MANAGER_SYSTEM)
if ((r = unit_add_dependency_by_name(u, UNIT_REQUIRES, SPECIAL_LOGGER_SOCKET, NULL, true)) < 0)
return r;
prefix, strna(u->meta.instance),
prefix, unit_load_state_to_string(u->meta.load_state),
prefix, unit_active_state_to_string(unit_active_state(u)),
- prefix, strna(format_timestamp(timestamp1, sizeof(timestamp1), u->meta.inactive_exit_timestamp)),
- prefix, strna(format_timestamp(timestamp2, sizeof(timestamp2), u->meta.active_enter_timestamp)),
- prefix, strna(format_timestamp(timestamp3, sizeof(timestamp3), u->meta.active_exit_timestamp)),
- prefix, strna(format_timestamp(timestamp4, sizeof(timestamp4), u->meta.inactive_enter_timestamp)),
+ prefix, strna(format_timestamp(timestamp1, sizeof(timestamp1), u->meta.inactive_exit_timestamp.realtime)),
+ prefix, strna(format_timestamp(timestamp2, sizeof(timestamp2), u->meta.active_enter_timestamp.realtime)),
+ prefix, strna(format_timestamp(timestamp3, sizeof(timestamp3), u->meta.active_exit_timestamp.realtime)),
+ prefix, strna(format_timestamp(timestamp4, sizeof(timestamp4), u->meta.inactive_enter_timestamp.realtime)),
prefix, yes_no(unit_check_gc(u)));
SET_FOREACH(t, u->meta.names, i)
if (u->meta.load_state == UNIT_LOADED) {
fprintf(f,
"%s\tRecursive Stop: %s\n"
- "%s\tStop When Unneeded: %s\n",
+ "%s\tStopWhenUnneeded: %s\n"
+ "%s\tOnlyByDependency: %s\n"
+ "%s\tDefaultDependencies: %s\n",
prefix, yes_no(u->meta.recursive_stop),
- prefix, yes_no(u->meta.stop_when_unneeded));
+ prefix, yes_no(u->meta.stop_when_unneeded),
+ prefix, yes_no(u->meta.only_by_dependency),
+ prefix, yes_no(u->meta.default_dependencies));
LIST_FOREACH(by_unit, b, u->meta.cgroup_bondings)
fprintf(f, "%s\tControlGroup: %s:%s\n",
u->meta.load_state = UNIT_FAILED;
unit_add_to_dbus_queue(u);
- log_debug("Failed to load configuration for %s: %s", u->meta.id, strerror(-r));
+ log_notice("Failed to load configuration for %s: %s", u->meta.id, strerror(-r));
return r;
}
/* Errors:
- * -EBADR: This unit type does not support starting.
- * -EALREADY: Unit is already started.
- * -EAGAIN: An operation is already in progress. Retry later.
+ * -EBADR: This unit type does not support starting.
+ * -EALREADY: Unit is already started.
+ * -EAGAIN: An operation is already in progress. Retry later.
+ * -ECANCELED: Too many requests for now.
*/
int unit_start(Unit *u) {
UnitActiveState state;
assert(u);
+ if (u->meta.load_state != UNIT_LOADED)
+ return -EINVAL;
+
/* If this is already (being) started, then this will
* succeed. Note that this will even succeed if this unit is
* not startable by the user. This is relied on to detect when
* before it will start again. */
unit_add_to_dbus_queue(u);
+
+ unit_status_printf(u, "Starting %s...\n", unit_description(u));
+
return UNIT_VTABLE(u)->start(u);
}
assert(u);
state = unit_active_state(u);
- if (state == UNIT_INACTIVE)
+ if (UNIT_IS_INACTIVE_OR_MAINTENANCE(state))
return -EALREADY;
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);
}
assert(u);
+ if (u->meta.load_state != UNIT_LOADED)
+ return -EINVAL;
+
if (!unit_can_reload(u))
return -EBADR;
state = unit_active_state(u);
- if (unit_active_state(u) == UNIT_ACTIVE_RELOADING)
+ if (unit_active_state(u) == UNIT_RELOADING)
return -EALREADY;
if (unit_active_state(u) != UNIT_ACTIVE)
if (!UNIT_IS_INACTIVE_OR_DEACTIVATING(unit_active_state(other)))
return;
- log_debug("Service %s is not needed anymore. Stopping.", u->meta.id);
+ log_info("Service %s is not needed anymore. Stopping.", u->meta.id);
/* Ok, nobody needs us anymore. Sniff. Then let's commit suicide */
manager_add_job(u->meta.manager, JOB_STOP, u, JOB_FAIL, true, NULL);
}
void unit_notify(Unit *u, UnitActiveState os, UnitActiveState ns) {
- bool unexpected = false;
- usec_t ts;
+ dual_timestamp ts;
assert(u);
assert(os < _UNIT_ACTIVE_STATE_MAX);
* this function will be called too and the utmp code below
* relies on that! */
- ts = now(CLOCK_REALTIME);
+ dual_timestamp_get(&ts);
- if (os == UNIT_INACTIVE && ns != UNIT_INACTIVE)
+ if (UNIT_IS_INACTIVE_OR_MAINTENANCE(os) && !UNIT_IS_INACTIVE_OR_MAINTENANCE(ns))
u->meta.inactive_exit_timestamp = ts;
- else if (os != UNIT_INACTIVE && ns == UNIT_INACTIVE)
+ else if (!UNIT_IS_INACTIVE_OR_MAINTENANCE(os) && UNIT_IS_INACTIVE_OR_MAINTENANCE(ns))
u->meta.inactive_enter_timestamp = ts;
if (!UNIT_IS_ACTIVE_OR_RELOADING(os) && UNIT_IS_ACTIVE_OR_RELOADING(ns))
else if (UNIT_IS_ACTIVE_OR_RELOADING(os) && !UNIT_IS_ACTIVE_OR_RELOADING(ns))
u->meta.active_exit_timestamp = ts;
+ timer_unit_notify(u, ns);
+ path_unit_notify(u, ns);
+
if (u->meta.job) {
+ bool unexpected = false;
if (u->meta.job->state == JOB_WAITING)
* failed previously due to EAGAIN. */
job_add_to_run_queue(u->meta.job);
- else {
- assert(u->meta.job->state == JOB_RUNNING);
- /* Let's check whether this state change
- * constitutes a finished job, or maybe
- * cotradicts a running job and hence needs to
- * invalidate jobs. */
+ /* Let's check whether this state change constitutes a
+ * finished job, or maybe cotradicts a running job and
+ * hence needs to invalidate jobs. */
- switch (u->meta.job->type) {
+ switch (u->meta.job->type) {
- case JOB_START:
- case JOB_VERIFY_ACTIVE:
+ case JOB_START:
+ case JOB_VERIFY_ACTIVE:
- if (UNIT_IS_ACTIVE_OR_RELOADING(ns))
- job_finish_and_invalidate(u->meta.job, true);
- else if (ns != UNIT_ACTIVATING) {
- unexpected = true;
- job_finish_and_invalidate(u->meta.job, false);
- }
+ if (UNIT_IS_ACTIVE_OR_RELOADING(ns))
+ job_finish_and_invalidate(u->meta.job, true);
+ else if (u->meta.job->state == JOB_RUNNING && ns != UNIT_ACTIVATING) {
+ unexpected = true;
+ job_finish_and_invalidate(u->meta.job, false);
+ }
- break;
+ break;
- case JOB_RELOAD:
- case JOB_RELOAD_OR_START:
+ case JOB_RELOAD:
+ case JOB_RELOAD_OR_START:
+ if (u->meta.job->state == JOB_RUNNING) {
if (ns == UNIT_ACTIVE)
job_finish_and_invalidate(u->meta.job, true);
- else if (ns != UNIT_ACTIVATING && ns != UNIT_ACTIVE_RELOADING) {
+ else if (ns != UNIT_ACTIVATING && ns != UNIT_RELOADING) {
unexpected = true;
job_finish_and_invalidate(u->meta.job, false);
}
+ }
- break;
+ break;
- case JOB_STOP:
- case JOB_RESTART:
- case JOB_TRY_RESTART:
+ case JOB_STOP:
+ case JOB_RESTART:
+ case JOB_TRY_RESTART:
- if (ns == UNIT_INACTIVE)
- job_finish_and_invalidate(u->meta.job, true);
- else if (ns != UNIT_DEACTIVATING) {
- unexpected = true;
- job_finish_and_invalidate(u->meta.job, false);
- }
+ if (ns == UNIT_INACTIVE || ns == UNIT_MAINTENANCE)
+ job_finish_and_invalidate(u->meta.job, true);
+ else if (u->meta.job->state == JOB_RUNNING && ns != UNIT_DEACTIVATING) {
+ unexpected = true;
+ job_finish_and_invalidate(u->meta.job, false);
+ }
- break;
+ break;
- default:
- assert_not_reached("Job type unknown");
- }
+ default:
+ assert_not_reached("Job type unknown");
}
- }
- /* If this state change happened without being requested by a
- * job, then let's retroactively start or stop dependencies */
+ /* If this state change happened without being
+ * requested by a job, then let's retroactively start
+ * or stop dependencies */
- if (unexpected) {
- if (UNIT_IS_INACTIVE_OR_DEACTIVATING(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 (unexpected) {
+ if (UNIT_IS_INACTIVE_OR_DEACTIVATING(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);
+ }
}
/* Some names are special */
/* The bus just might have become available,
* hence try to connect to it, if we aren't
* yet connected. */
- bus_init_system(u->meta.manager);
- bus_init_api(u->meta.manager);
+ bus_init(u->meta.manager);
}
if (unit_has_name(u, SPECIAL_SYSLOG_SERVICE))
return r;
}
+int unit_add_two_dependencies(Unit *u, UnitDependency d, UnitDependency e, Unit *other, bool add_reference) {
+ int r;
+
+ assert(u);
+
+ if ((r = unit_add_dependency(u, d, other, add_reference)) < 0)
+ return r;
+
+ if ((r = unit_add_dependency(u, e, other, add_reference)) < 0)
+ return r;
+
+ return 0;
+}
+
static const char *resolve_template(Unit *u, const char *name, const char*path, char **p) {
char *s;
return r;
}
+int unit_add_two_dependencies_by_name(Unit *u, UnitDependency d, UnitDependency e, const char *name, const char *path, bool add_reference) {
+ Unit *other;
+ int r;
+ char *s;
+
+ assert(u);
+ assert(name || path);
+
+ if (!(name = resolve_template(u, name, path, &s)))
+ return -ENOMEM;
+
+ if ((r = manager_load_unit(u->meta.manager, name, path, &other)) < 0)
+ goto finish;
+
+ r = unit_add_two_dependencies(u, d, e, other, add_reference);
+
+finish:
+ free(s);
+ return r;
+}
+
int unit_add_dependency_by_name_inverse(Unit *u, UnitDependency d, const char *name, const char *path, bool add_reference) {
Unit *other;
int r;
return r;
}
+int unit_add_two_dependencies_by_name_inverse(Unit *u, UnitDependency d, UnitDependency e, const char *name, const char *path, bool add_reference) {
+ Unit *other;
+ int r;
+ char *s;
+
+ assert(u);
+ assert(name || path);
+
+ if (!(name = resolve_template(u, name, path, &s)))
+ return -ENOMEM;
+
+ if ((r = manager_load_unit(u->meta.manager, name, path, &other)) < 0)
+ goto finish;
+
+ if ((r = unit_add_two_dependencies(other, d, e, u, add_reference)) < 0)
+ goto finish;
+
+finish:
+ free(s);
+ return r;
+}
+
int set_unit_path(const char *p) {
char *cwd, *c;
int r;
if ((r = UNIT_VTABLE(u)->serialize(u, f, fds)) < 0)
return r;
+ if (u->meta.job)
+ unit_serialize_item(u, f, "job", job_type_to_string(u->meta.job->type));
+
/* End marker */
fputc('\n', f);
return 0;
} else
v = l+k;
+ if (streq(l, "job")) {
+ JobType type;
+
+ if ((type = job_type_from_string(v)) < 0)
+ log_debug("Failed to parse job type value %s", v);
+ else
+ u->meta.deserialized_job = type;
+
+ continue;
+ }
+
if ((r = UNIT_VTABLE(u)->deserialize_item(u, l, v, fds)) < 0)
return r;
}
if (r < 0)
return r;
- if ((r = unit_add_dependency(u, UNIT_AFTER, device, true)) < 0)
- return r;
-
- if ((r = unit_add_dependency(u, UNIT_REQUIRES, device, true)) < 0)
+ if ((r = unit_add_two_dependencies(u, UNIT_AFTER, UNIT_REQUIRES, device, true)) < 0)
return r;
if (wants)
return 0;
}
+int unit_coldplug(Unit *u) {
+ int r;
+
+ assert(u);
+
+ if (UNIT_VTABLE(u)->coldplug)
+ if ((r = UNIT_VTABLE(u)->coldplug(u)) < 0)
+ return r;
+
+ if (u->meta.deserialized_job >= 0) {
+ if ((r = manager_add_job(u->meta.manager, u->meta.deserialized_job, u, JOB_FAIL, false, NULL)) < 0)
+ return r;
+
+ u->meta.deserialized_job = _JOB_TYPE_INVALID;
+ }
+
+ return 0;
+}
+
+void unit_status_printf(Unit *u, const char *format, ...) {
+ va_list ap;
+
+ assert(u);
+ assert(format);
+
+ if (!UNIT_VTABLE(u)->show_status)
+ return;
+
+ if (u->meta.manager->running_as != MANAGER_SYSTEM)
+ return;
+
+ if (!u->meta.manager->show_status)
+ return;
+
+ if (!manager_is_booting_or_shutting_down(u->meta.manager))
+ return;
+
+ va_start(ap, format);
+ status_vprintf(format, ap);
+ va_end(ap);
+}
+
static const char* const unit_type_table[_UNIT_TYPE_MAX] = {
[UNIT_SERVICE] = "service",
[UNIT_TIMER] = "timer",
static const char* const unit_active_state_table[_UNIT_ACTIVE_STATE_MAX] = {
[UNIT_ACTIVE] = "active",
+ [UNIT_RELOADING] = "reloading",
[UNIT_INACTIVE] = "inactive",
+ [UNIT_MAINTENANCE] = "maintenance",
[UNIT_ACTIVATING] = "activating",
[UNIT_DEACTIVATING] = "deactivating"
};
~ianmdlvl / elogind.git / blobdiff