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core: add new API for enqueing a job with returning the transaction data

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This commit is contained in:
Lennart Poettering 2019-03-22 20:57:30 +01:00
parent 49bd196d69
commit 50cbaba4fe
19 changed files with 247 additions and 76 deletions
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2
src/analyze/analyze-verify.c
View File

@ -202,7 +202,7 @@ static int verify_unit(Unit *u, bool check_man) {
unit_dump(u, stdout, "\t");
log_unit_debug(u, "Creating %s/start job", u->id);
r = manager_add_job(u->manager, JOB_START, u, JOB_REPLACE, &err, NULL);
r = manager_add_job(u->manager, JOB_START, u, JOB_REPLACE, NULL, &err, NULL);
if (r < 0)
log_unit_error_errno(u, r, "Failed to create %s/start: %s", u->id, bus_error_message(&err, r));

4
src/core/automount.c
View File

@ -781,7 +781,7 @@ static void automount_enter_running(Automount *a) {
goto fail;
}
r = manager_add_job(UNIT(a)->manager, JOB_START, trigger, JOB_REPLACE, &error, NULL);
r = manager_add_job(UNIT(a)->manager, JOB_START, trigger, JOB_REPLACE, NULL, &error, NULL);
if (r < 0) {
log_unit_warning(UNIT(a), "Failed to queue mount startup job: %s", bus_error_message(&error, r));
goto fail;
@ -1035,7 +1035,7 @@ static int automount_dispatch_io(sd_event_source *s, int fd, uint32_t events, vo
goto fail;
}
r = manager_add_job(UNIT(a)->manager, JOB_STOP, trigger, JOB_REPLACE, &error, NULL);
r = manager_add_job(UNIT(a)->manager, JOB_STOP, trigger, JOB_REPLACE, NULL, &error, NULL);
if (r < 0) {
log_unit_warning(UNIT(a), "Failed to queue umount startup job: %s", bus_error_message(&error, r));
goto fail;

23
src/core/dbus-manager.c
View File

@ -574,6 +574,26 @@ static int method_reload_or_try_restart_unit(sd_bus_message *message, void *user
return method_start_unit_generic(message, userdata, JOB_TRY_RESTART, true, error);
}
static int method_enqueue_unit_job(sd_bus_message *message, void *userdata, sd_bus_error *error) {
Manager *m = userdata;
const char *name;
Unit *u;
int r;
assert(message);
assert(m);
r = sd_bus_message_read(message, "s", &name);
if (r < 0)
return r;
r = manager_load_unit(m, name, NULL, error, &u);
if (r < 0)
return r;
return bus_unit_method_enqueue_job(message, u, error);
}
static int method_start_unit_replace(sd_bus_message *message, void *userdata, sd_bus_error *error) {
Manager *m = userdata;
const char *old_name;
@ -955,7 +975,7 @@ static int method_start_transient_unit(sd_bus_message *message, void *userdata,
return r;
/* Finally, start it */
return bus_unit_queue_job(message, u, JOB_START, mode, false, error);
return bus_unit_queue_job(message, u, JOB_START, mode, 0, error);
}
static int method_get_job(sd_bus_message *message, void *userdata, sd_bus_error *error) {
@ -2553,6 +2573,7 @@ const sd_bus_vtable bus_manager_vtable[] = {
SD_BUS_METHOD("TryRestartUnit", "ss", "o", method_try_restart_unit, SD_BUS_VTABLE_UNPRIVILEGED),
SD_BUS_METHOD("ReloadOrRestartUnit", "ss", "o", method_reload_or_restart_unit, SD_BUS_VTABLE_UNPRIVILEGED),
SD_BUS_METHOD("ReloadOrTryRestartUnit", "ss", "o", method_reload_or_try_restart_unit, SD_BUS_VTABLE_UNPRIVILEGED),
SD_BUS_METHOD("EnqueueUnitJob", "sss", "uososa(uosos)", method_enqueue_unit_job, SD_BUS_VTABLE_UNPRIVILEGED),
SD_BUS_METHOD("KillUnit", "ssi", NULL, method_kill_unit, SD_BUS_VTABLE_UNPRIVILEGED),
SD_BUS_METHOD("ResetFailedUnit", "s", NULL, method_reset_failed_unit, SD_BUS_VTABLE_UNPRIVILEGED),
SD_BUS_METHOD("SetUnitProperties", "sba(sv)", NULL, method_set_unit_properties, SD_BUS_VTABLE_UNPRIVILEGED),

157
src/core/dbus-unit.c
View File

@ -312,6 +312,14 @@ static int bus_verify_manage_units_async_full(
error);
}
static const char *const polkit_message_for_job[_JOB_TYPE_MAX] = {
[JOB_START] = N_("Authentication is required to start '$(unit)'."),
[JOB_STOP] = N_("Authentication is required to stop '$(unit)'."),
[JOB_RELOAD] = N_("Authentication is required to reload '$(unit)'."),
[JOB_RESTART] = N_("Authentication is required to restart '$(unit)'."),
[JOB_TRY_RESTART] = N_("Authentication is required to restart '$(unit)'."),
};
int bus_unit_method_start_generic(
sd_bus_message *message,
Unit *u,
@ -321,13 +329,6 @@ int bus_unit_method_start_generic(
const char *smode, *verb;
JobMode mode;
static const char *const polkit_message_for_job[_JOB_TYPE_MAX] = {
[JOB_START] = N_("Authentication is required to start '$(unit)'."),
[JOB_STOP] = N_("Authentication is required to stop '$(unit)'."),
[JOB_RELOAD] = N_("Authentication is required to reload '$(unit)'."),
[JOB_RESTART] = N_("Authentication is required to restart '$(unit)'."),
[JOB_TRY_RESTART] = N_("Authentication is required to restart '$(unit)'."),
};
int r;
assert(message);
@ -367,7 +368,8 @@ int bus_unit_method_start_generic(
if (r == 0)
return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
return bus_unit_queue_job(message, u, job_type, mode, reload_if_possible, error);
return bus_unit_queue_job(message, u, job_type, mode,
reload_if_possible ? BUS_UNIT_QUEUE_RELOAD_IF_POSSIBLE : 0, error);
}
static int method_start(sd_bus_message *message, void *userdata, sd_bus_error *error) {
@ -398,6 +400,62 @@ static int method_reload_or_try_restart(sd_bus_message *message, void *userdata,
return bus_unit_method_start_generic(message, userdata, JOB_TRY_RESTART, true, error);
}
int bus_unit_method_enqueue_job(sd_bus_message *message, void *userdata, sd_bus_error *error) {
BusUnitQueueFlags flags = BUS_UNIT_QUEUE_VERBOSE_REPLY;
const char *jtype, *smode;
Unit *u = userdata;
JobType type;
JobMode mode;
int r;
assert(message);
assert(u);
r = sd_bus_message_read(message, "ss", &jtype, &smode);
if (r < 0)
return r;
/* Parse the two magic reload types "reload-or-…" manually */
if (streq(jtype, "reload-or-restart")) {
type = JOB_RESTART;
flags |= BUS_UNIT_QUEUE_RELOAD_IF_POSSIBLE;
} else if (streq(jtype, "reload-or-try-restart")) {
type = JOB_TRY_RESTART;
flags |= BUS_UNIT_QUEUE_RELOAD_IF_POSSIBLE;
} else {
/* And the rest generically */
type = job_type_from_string(jtype);
if (type < 0)
return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Job type %s invalid", jtype);
}
mode = job_mode_from_string(smode);
if (mode < 0)
return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Job mode %s invalid", smode);
r = mac_selinux_unit_access_check(
u, message,
job_type_to_access_method(type),
error);
if (r < 0)
return r;
r = bus_verify_manage_units_async_full(
u,
jtype,
CAP_SYS_ADMIN,
polkit_message_for_job[type],
true,
message,
error);
if (r < 0)
return r;
if (r == 0)
return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
return bus_unit_queue_job(message, u, type, mode, flags, error);
}
int bus_unit_method_kill(sd_bus_message *message, void *userdata, sd_bus_error *error) {
Unit *u = userdata;
const char *swho;
@ -683,6 +741,7 @@ const sd_bus_vtable bus_unit_vtable[] = {
SD_BUS_METHOD("TryRestart", "s", "o", method_try_restart, SD_BUS_VTABLE_UNPRIVILEGED),
SD_BUS_METHOD("ReloadOrRestart", "s", "o", method_reload_or_restart, SD_BUS_VTABLE_UNPRIVILEGED),
SD_BUS_METHOD("ReloadOrTryRestart", "s", "o", method_reload_or_try_restart, SD_BUS_VTABLE_UNPRIVILEGED),
SD_BUS_METHOD("EnqueueJob", "ss", "uososa(uosos)", bus_unit_method_enqueue_job, SD_BUS_VTABLE_UNPRIVILEGED),
SD_BUS_METHOD("Kill", "si", NULL, bus_unit_method_kill, SD_BUS_VTABLE_UNPRIVILEGED),
SD_BUS_METHOD("ResetFailed", NULL, NULL, bus_unit_method_reset_failed, SD_BUS_VTABLE_UNPRIVILEGED),
SD_BUS_METHOD("SetProperties", "ba(sv)", NULL, bus_unit_method_set_properties, SD_BUS_VTABLE_UNPRIVILEGED),
@ -1269,11 +1328,14 @@ int bus_unit_queue_job(
Unit *u,
JobType type,
JobMode mode,
bool reload_if_possible,
BusUnitQueueFlags flags,
sd_bus_error *error) {
_cleanup_free_ char *path = NULL;
Job *j;
_cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
_cleanup_free_ char *job_path = NULL, *unit_path = NULL;
_cleanup_(set_freep) Set *affected = NULL;
Iterator i;
Job *j, *a;
int r;
assert(message);
@ -1288,7 +1350,7 @@ int bus_unit_queue_job(
if (r < 0)
return r;
if (reload_if_possible && unit_can_reload(u)) {
if (FLAGS_SET(flags, BUS_UNIT_QUEUE_RELOAD_IF_POSSIBLE) && unit_can_reload(u)) {
if (type == JOB_RESTART)
type = JOB_RELOAD_OR_START;
else if (type == JOB_TRY_RESTART)
@ -1306,7 +1368,13 @@ int bus_unit_queue_job(
(type == JOB_RELOAD_OR_START && job_type_collapse(type, u) == JOB_START && u->refuse_manual_start))
return sd_bus_error_setf(error, BUS_ERROR_ONLY_BY_DEPENDENCY, "Operation refused, unit %s may be requested by dependency only (it is configured to refuse manual start/stop).", u->id);
r = manager_add_job(u->manager, type, u, mode, error, &j);
if (FLAGS_SET(flags, BUS_UNIT_QUEUE_VERBOSE_REPLY)) {
affected = set_new(NULL);
if (!affected)
return -ENOMEM;
}
r = manager_add_job(u->manager, type, u, mode, affected, error, &j);
if (r < 0)
return r;
@ -1314,14 +1382,67 @@ int bus_unit_queue_job(
if (r < 0)
return r;
path = job_dbus_path(j);
if (!path)
return -ENOMEM;
/* Before we send the method reply, force out the announcement JobNew for this job */
bus_job_send_pending_change_signal(j, true);
return sd_bus_reply_method_return(message, "o", path);
job_path = job_dbus_path(j);
if (!job_path)
return -ENOMEM;
/* The classic response is just a job object path */
if (!FLAGS_SET(flags, BUS_UNIT_QUEUE_VERBOSE_REPLY))
return sd_bus_reply_method_return(message, "o", job_path);
/* In verbose mode respond with the anchor job plus everything that has been affected */
r = sd_bus_message_new_method_return(message, &reply);
if (r < 0)
return r;
unit_path = unit_dbus_path(j->unit);
if (!unit_path)
return -ENOMEM;
r = sd_bus_message_append(reply, "uosos",
j->id, job_path,
j->unit->id, unit_path,
job_type_to_string(j->type));
if (r < 0)
return r;
r = sd_bus_message_open_container(reply, 'a', "(uosos)");
if (r < 0)
return r;
SET_FOREACH(a, affected, i) {
if (a->id == j->id)
continue;
/* Free paths from previous iteration */
job_path = mfree(job_path);
unit_path = mfree(unit_path);
job_path = job_dbus_path(a);
if (!job_path)
return -ENOMEM;
unit_path = unit_dbus_path(a->unit);
if (!unit_path)
return -ENOMEM;
r = sd_bus_message_append(reply, "(uosos)",
a->id, job_path,
a->unit->id, unit_path,
job_type_to_string(a->type));
if (r < 0)
return r;
}
r = sd_bus_message_close_container(reply);
if (r < 0)
return r;
return sd_bus_send(NULL, reply, NULL);
}
static int bus_unit_set_live_property(

8
src/core/dbus-unit.h
View File

@ -15,6 +15,7 @@ void bus_unit_send_pending_change_signal(Unit *u, bool including_new);
void bus_unit_send_removed_signal(Unit *u);
int bus_unit_method_start_generic(sd_bus_message *message, Unit *u, JobType job_type, bool reload_if_possible, sd_bus_error *error);
int bus_unit_method_enqueue_job(sd_bus_message *message, void *userdata, sd_bus_error *error);
int bus_unit_method_kill(sd_bus_message *message, void *userdata, sd_bus_error *error);
int bus_unit_method_reset_failed(sd_bus_message *message, void *userdata, sd_bus_error *error);
@ -25,7 +26,12 @@ int bus_unit_method_attach_processes(sd_bus_message *message, void *userdata, sd
int bus_unit_method_ref(sd_bus_message *message, void *userdata, sd_bus_error *error);
int bus_unit_method_unref(sd_bus_message *message, void *userdata, sd_bus_error *error);
int bus_unit_queue_job(sd_bus_message *message, Unit *u, JobType type, JobMode mode, bool reload_if_possible, sd_bus_error *error);
typedef enum BusUnitQueueFlags {
BUS_UNIT_QUEUE_RELOAD_IF_POSSIBLE = 1 << 0,
BUS_UNIT_QUEUE_VERBOSE_REPLY = 1 << 1,
} BusUnitQueueFlags;
int bus_unit_queue_job(sd_bus_message *message, Unit *u, JobType type, JobMode mode, BusUnitQueueFlags flags, sd_bus_error *error);
int bus_unit_validate_load_state(Unit *u, sd_bus_error *error);
int bus_unit_track_add_name(Unit *u, const char *name);

2
src/core/dbus.c
View File

@ -177,7 +177,7 @@ static int signal_activation_request(sd_bus_message *message, void *userdata, sd
goto failed;
}
r = manager_add_job(m, JOB_START, u, JOB_REPLACE, &error, NULL);
r = manager_add_job(m, JOB_START, u, JOB_REPLACE, NULL, &error, NULL);
if (r < 0)
goto failed;

2
src/core/device.c
View File

@ -433,7 +433,7 @@ static int device_add_udev_wants(Unit *u, sd_device *dev) {
if (strv_contains(d->wants_property, *i)) /* Was this unit already listed before? */
continue;
r = manager_add_job_by_name(u->manager, JOB_START, *i, JOB_FAIL, &error, NULL);
r = manager_add_job_by_name(u->manager, JOB_START, *i, JOB_FAIL, NULL, &error, NULL);
if (r < 0)
log_unit_warning_errno(u, r, "Failed to enqueue SYSTEMD_WANTS= job, ignoring: %s", bus_error_message(&error, r));
}

7
src/core/emergency-action.c
View File

@ -48,8 +48,7 @@ void emergency_action(
log_and_status(m, warn, "Rebooting", reason);
(void) update_reboot_parameter_and_warn(reboot_arg, true);
(void) manager_add_job_by_name_and_warn(m, JOB_START, SPECIAL_REBOOT_TARGET, JOB_REPLACE_IRREVERSIBLY, NULL);
(void) manager_add_job_by_name_and_warn(m, JOB_START, SPECIAL_REBOOT_TARGET, JOB_REPLACE_IRREVERSIBLY, NULL, NULL);
break;
case EMERGENCY_ACTION_REBOOT_FORCE:
@ -82,7 +81,7 @@ void emergency_action(
if (MANAGER_IS_USER(m) || detect_container() > 0) {
log_and_status(m, warn, "Exiting", reason);
(void) manager_add_job_by_name_and_warn(m, JOB_START, SPECIAL_EXIT_TARGET, JOB_REPLACE_IRREVERSIBLY, NULL);
(void) manager_add_job_by_name_and_warn(m, JOB_START, SPECIAL_EXIT_TARGET, JOB_REPLACE_IRREVERSIBLY, NULL, NULL);
break;
}
@ -91,7 +90,7 @@ void emergency_action(
case EMERGENCY_ACTION_POWEROFF:
log_and_status(m, warn, "Powering off", reason);
(void) manager_add_job_by_name_and_warn(m, JOB_START, SPECIAL_POWEROFF_TARGET, JOB_REPLACE_IRREVERSIBLY, NULL);
(void) manager_add_job_by_name_and_warn(m, JOB_START, SPECIAL_POWEROFF_TARGET, JOB_REPLACE_IRREVERSIBLY, NULL, NULL);
break;
case EMERGENCY_ACTION_EXIT_FORCE:

4
src/core/main.c
View File

@ -2121,13 +2121,13 @@ static int do_queue_default_job(
assert(target->load_state == UNIT_LOADED);
r = manager_add_job(m, JOB_START, target, JOB_ISOLATE, &error, &default_unit_job);
r = manager_add_job(m, JOB_START, target, JOB_ISOLATE, NULL, &error, &default_unit_job);
if (r == -EPERM) {
log_debug_errno(r, "Default target could not be isolated, starting instead: %s", bus_error_message(&error, r));
sd_bus_error_free(&error);
r = manager_add_job(m, JOB_START, target, JOB_REPLACE, &error, &default_unit_job);
r = manager_add_job(m, JOB_START, target, JOB_REPLACE, NULL, &error, &default_unit_job);
if (r < 0) {
*ret_error_message = "Failed to start default target";
return log_emergency_errno(r, "Failed to start default target: %s", bus_error_message(&error, r));

38
src/core/manager.c
View File

@ -1253,7 +1253,7 @@ static unsigned manager_dispatch_stop_when_unneeded_queue(Manager *m) {
}
/* Ok, nobody needs us anymore. Sniff. Then let's commit suicide */
r = manager_add_job(u->manager, JOB_STOP, u, JOB_FAIL, &error, NULL);
r = manager_add_job(u->manager, JOB_STOP, u, JOB_FAIL, NULL, &error, NULL);
if (r < 0)
log_unit_warning_errno(u, r, "Failed to enqueue stop job, ignoring: %s", bus_error_message(&error, r));
}
@ -1730,9 +1730,17 @@ int manager_startup(Manager *m, FILE *serialization, FDSet *fds) {
return 0;
}
int manager_add_job(Manager *m, JobType type, Unit *unit, JobMode mode, sd_bus_error *e, Job **_ret) {
int r;
int manager_add_job(
Manager *m,
JobType type,
Unit *unit,
JobMode mode,
Set *affected_jobs,
sd_bus_error *error,
Job **ret) {
Transaction *tr;
int r;
assert(m);
assert(type < _JOB_TYPE_MAX);
@ -1740,10 +1748,10 @@ int manager_add_job(Manager *m, JobType type, Unit *unit, JobMode mode, sd_bus_e
assert(mode < _JOB_MODE_MAX);
if (mode == JOB_ISOLATE && type != JOB_START)
return sd_bus_error_setf(e, SD_BUS_ERROR_INVALID_ARGS, "Isolate is only valid for start.");
return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Isolate is only valid for start.");
if (mode == JOB_ISOLATE && !unit->allow_isolate)
return sd_bus_error_setf(e, BUS_ERROR_NO_ISOLATION, "Operation refused, unit may not be isolated.");
return sd_bus_error_setf(error, BUS_ERROR_NO_ISOLATION, "Operation refused, unit may not be isolated.");
log_unit_debug(unit, "Trying to enqueue job %s/%s/%s", unit->id, job_type_to_string(type), job_mode_to_string(mode));
@ -1755,7 +1763,7 @@ int manager_add_job(Manager *m, JobType type, Unit *unit, JobMode mode, sd_bus_e
r = transaction_add_job_and_dependencies(tr, type, unit, NULL, true, false,
IN_SET(mode, JOB_IGNORE_DEPENDENCIES, JOB_IGNORE_REQUIREMENTS),
mode == JOB_IGNORE_DEPENDENCIES, e);
mode == JOB_IGNORE_DEPENDENCIES, error);
if (r < 0)
goto tr_abort;
@ -1765,7 +1773,7 @@ int manager_add_job(Manager *m, JobType type, Unit *unit, JobMode mode, sd_bus_e
goto tr_abort;
}
r = transaction_activate(tr, m, mode, e);
r = transaction_activate(tr, m, mode, affected_jobs, error);
if (r < 0)
goto tr_abort;
@ -1773,8 +1781,8 @@ int manager_add_job(Manager *m, JobType type, Unit *unit, JobMode mode, sd_bus_e
"Enqueued job %s/%s as %u", unit->id,
job_type_to_string(type), (unsigned) tr->anchor_job->id);
if (_ret)
*_ret = tr->anchor_job;
if (ret)
*ret = tr->anchor_job;
transaction_free(tr);
return 0;
@ -1785,7 +1793,7 @@ tr_abort:
return r;
}
int manager_add_job_by_name(Manager *m, JobType type, const char *name, JobMode mode, sd_bus_error *e, Job **ret) {
int manager_add_job_by_name(Manager *m, JobType type, const char *name, JobMode mode, Set *affected_jobs, sd_bus_error *e, Job **ret) {
Unit *unit = NULL; /* just to appease gcc, initialization is not really necessary */
int r;
@ -1799,10 +1807,10 @@ int manager_add_job_by_name(Manager *m, JobType type, const char *name, JobMode
return r;
assert(unit);
return manager_add_job(m, type, unit, mode, e, ret);
return manager_add_job(m, type, unit, mode, affected_jobs, e, ret);
}
int manager_add_job_by_name_and_warn(Manager *m, JobType type, const char *name, JobMode mode, Job **ret) {
int manager_add_job_by_name_and_warn(Manager *m, JobType type, const char *name, JobMode mode, Set *affected_jobs, Job **ret) {
_cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
int r;
@ -1811,7 +1819,7 @@ int manager_add_job_by_name_and_warn(Manager *m, JobType type, const char *name,
assert(name);
assert(mode < _JOB_MODE_MAX);
r = manager_add_job_by_name(m, type, name, mode, &error, ret);
r = manager_add_job_by_name(m, type, name, mode, affected_jobs, &error, ret);
if (r < 0)
return log_warning_errno(r, "Failed to enqueue %s job for %s: %s", job_mode_to_string(mode), name, bus_error_message(&error, r));
@ -1839,7 +1847,7 @@ int manager_propagate_reload(Manager *m, Unit *unit, JobMode mode, sd_bus_error
/* Failure in adding individual dependencies is ignored, so this always succeeds. */
transaction_add_propagate_reload_jobs(tr, unit, tr->anchor_job, mode == JOB_IGNORE_DEPENDENCIES, e);
r = transaction_activate(tr, m, mode, e);
r = transaction_activate(tr, m, mode, NULL, e);
if (r < 0)
goto tr_abort;
@ -2549,7 +2557,7 @@ static void manager_start_target(Manager *m, const char *name, JobMode mode) {
log_debug("Activating special unit %s", name);
r = manager_add_job_by_name(m, JOB_START, name, mode, &error, NULL);
r = manager_add_job_by_name(m, JOB_START, name, mode, NULL, &error, NULL);
if (r < 0)
log_error("Failed to enqueue %s job: %s", name, bus_error_message(&error, r));
}

6
src/core/manager.h
View File

@ -425,9 +425,9 @@ int manager_load_unit(Manager *m, const char *name, const char *path, sd_bus_err
int manager_load_startable_unit_or_warn(Manager *m, const char *name, const char *path, Unit **ret);
int manager_load_unit_from_dbus_path(Manager *m, const char *s, sd_bus_error *e, Unit **_u);
int manager_add_job(Manager *m, JobType type, Unit *unit, JobMode mode, sd_bus_error *e, Job **_ret);
int manager_add_job_by_name(Manager *m, JobType type, const char *name, JobMode mode, sd_bus_error *e, Job **_ret);
int manager_add_job_by_name_and_warn(Manager *m, JobType type, const char *name, JobMode mode, Job **ret);
int manager_add_job(Manager *m, JobType type, Unit *unit, JobMode mode, Set *affected_jobs, sd_bus_error *e, Job **_ret);
int manager_add_job_by_name(Manager *m, JobType type, const char *name, JobMode mode, Set *affected_jobs, sd_bus_error *e, Job **_ret);
int manager_add_job_by_name_and_warn(Manager *m, JobType type, const char *name, JobMode mode, Set *affected_jobs, Job **ret);
int manager_propagate_reload(Manager *m, Unit *unit, JobMode mode, sd_bus_error *e);
void manager_dump_units(Manager *s, FILE *f, const char *prefix);

2
src/core/path.c
View File

@ -474,7 +474,7 @@ static void path_enter_running(Path *p) {
return;
}
r = manager_add_job(UNIT(p)->manager, JOB_START, trigger, JOB_REPLACE, &error, NULL);
r = manager_add_job(UNIT(p)->manager, JOB_START, trigger, JOB_REPLACE, NULL, &error, NULL);
if (r < 0)
goto fail;

2
src/core/service.c
View File

@ -2181,7 +2181,7 @@ static void service_enter_restart(Service *s) {
* restarted. We use JOB_RESTART (instead of the more obvious
* JOB_START) here so that those dependency jobs will be added
* as well. */
r = manager_add_job(UNIT(s)->manager, JOB_RESTART, UNIT(s), JOB_REPLACE, &error, NULL);
r = manager_add_job(UNIT(s)->manager, JOB_RESTART, UNIT(s), JOB_REPLACE, NULL, &error, NULL);
if (r < 0)
goto fail;

4
src/core/socket.c
View File

@ -2310,7 +2310,7 @@ static void socket_enter_running(Socket *s, int cfd) {
goto fail;
}
r = manager_add_job(UNIT(s)->manager, JOB_START, UNIT_DEREF(s->service), JOB_REPLACE, &error, NULL);
r = manager_add_job(UNIT(s)->manager, JOB_START, UNIT_DEREF(s->service), JOB_REPLACE, NULL, &error, NULL);
if (r < 0)
goto fail;
}
@ -2385,7 +2385,7 @@ static void socket_enter_running(Socket *s, int cfd) {
service->peer = TAKE_PTR(p); /* Pass ownership of the peer reference */
r = manager_add_job(UNIT(s)->manager, JOB_START, UNIT(service), JOB_REPLACE, &error, NULL);
r = manager_add_job(UNIT(s)->manager, JOB_START, UNIT(service), JOB_REPLACE, NULL, &error, NULL);
if (r < 0) {
/* We failed to activate the new service, but it still exists. Let's make sure the service
* closes and forgets the connection fd again, immediately. */

2
src/core/timer.c
View File

@ -575,7 +575,7 @@ static void timer_enter_running(Timer *t) {
return;
}
r = manager_add_job(UNIT(t)->manager, JOB_START, trigger, JOB_REPLACE, &error, NULL);
r = manager_add_job(UNIT(t)->manager, JOB_START, trigger, JOB_REPLACE, NULL, &error, NULL);
if (r < 0)
goto fail;

22
src/core/transaction.c
View File

@ -589,7 +589,12 @@ rescan:
}
}
static int transaction_apply(Transaction *tr, Manager *m, JobMode mode) {
static int transaction_apply(
Transaction *tr,
Manager *m,
JobMode mode,
Set *affected_jobs) {
Iterator i;
Job *j;
int r;
@ -646,6 +651,11 @@ static int transaction_apply(Transaction *tr, Manager *m, JobMode mode) {
job_add_to_dbus_queue(j);
job_start_timer(j, false);
job_shutdown_magic(j);
/* When 'affected' is specified, let's track all in it all jobs that were touched because of
* this transaction. */
if (affected_jobs)
(void) set_put(affected_jobs, j);
}
return 0;
@ -658,7 +668,13 @@ rollback:
return r;
}
int transaction_activate(Transaction *tr, Manager *m, JobMode mode, sd_bus_error *e) {
int transaction_activate(
Transaction *tr,
Manager *m,
JobMode mode,
Set *affected_jobs,
sd_bus_error *e) {
Iterator i;
Job *j;
int r;
@ -735,7 +751,7 @@ int transaction_activate(Transaction *tr, Manager *m, JobMode mode, sd_bus_error
return log_notice_errno(r, "Requested transaction contradicts existing jobs: %s", bus_error_message(e, r));
/* Tenth step: apply changes */
r = transaction_apply(tr, m, mode);
r = transaction_apply(tr, m, mode, affected_jobs);
if (r < 0)
return log_warning_errno(r, "Failed to apply transaction: %m");

2
src/core/transaction.h
View File

@ -29,6 +29,6 @@ int transaction_add_job_and_dependencies(
bool ignore_requirements,
bool ignore_order,
sd_bus_error *e);
int transaction_activate(Transaction *tr, Manager *m, JobMode mode, sd_bus_error *e);
int transaction_activate(Transaction *tr, Manager *m, JobMode mode, Set *affected, sd_bus_error *e);
int transaction_add_isolate_jobs(Transaction *tr, Manager *m);
void transaction_abort(Transaction *tr);

16
src/core/unit.c
View File

@ -2035,7 +2035,7 @@ static void unit_check_binds_to(Unit *u) {
log_unit_info(u, "Unit is bound to inactive unit %s. Stopping, too.", other->id);
/* A unit we need to run is gone. Sniff. Let's stop this. */
r = manager_add_job(u->manager, JOB_STOP, u, JOB_FAIL, &error, NULL);
r = manager_add_job(u->manager, JOB_STOP, u, JOB_FAIL, NULL, &error, NULL);
if (r < 0)
log_unit_warning_errno(u, r, "Failed to enqueue stop job, ignoring: %s", bus_error_message(&error, r));
}
@ -2051,25 +2051,25 @@ static void retroactively_start_dependencies(Unit *u) {
HASHMAP_FOREACH_KEY(v, other, u->dependencies[UNIT_REQUIRES], i)
if (!hashmap_get(u->dependencies[UNIT_AFTER], other) &&
!UNIT_IS_ACTIVE_OR_ACTIVATING(unit_active_state(other)))
manager_add_job(u->manager, JOB_START, other, JOB_REPLACE, NULL, NULL);
manager_add_job(u->manager, JOB_START, other, JOB_REPLACE, NULL, NULL, NULL);
HASHMAP_FOREACH_KEY(v, other, u->dependencies[UNIT_BINDS_TO], i)
if (!hashmap_get(u->dependencies[UNIT_AFTER], other) &&
!UNIT_IS_ACTIVE_OR_ACTIVATING(unit_active_state(other)))
manager_add_job(u->manager, JOB_START, other, JOB_REPLACE, NULL, NULL);
manager_add_job(u->manager, JOB_START, other, JOB_REPLACE, NULL, NULL, NULL);
HASHMAP_FOREACH_KEY(v, other, u->dependencies[UNIT_WANTS], i)
if (!hashmap_get(u->dependencies[UNIT_AFTER], other) &&
!UNIT_IS_ACTIVE_OR_ACTIVATING(unit_active_state(other)))
manager_add_job(u->manager, JOB_START, other, JOB_FAIL, NULL, NULL);
manager_add_job(u->manager, JOB_START, other, JOB_FAIL, NULL, NULL, NULL);
HASHMAP_FOREACH_KEY(v, other, u->dependencies[UNIT_CONFLICTS], i)
if (!UNIT_IS_INACTIVE_OR_DEACTIVATING(unit_active_state(other)))
manager_add_job(u->manager, JOB_STOP, other, JOB_REPLACE, NULL, NULL);
manager_add_job(u->manager, JOB_STOP, other, JOB_REPLACE, NULL, NULL, NULL);
HASHMAP_FOREACH_KEY(v, other, u->dependencies[UNIT_CONFLICTED_BY], i)
if (!UNIT_IS_INACTIVE_OR_DEACTIVATING(unit_active_state(other)))
manager_add_job(u->manager, JOB_STOP, other, JOB_REPLACE, NULL, NULL);
manager_add_job(u->manager, JOB_STOP, other, JOB_REPLACE, NULL, NULL, NULL);
}
static void retroactively_stop_dependencies(Unit *u) {
@ -2083,7 +2083,7 @@ static void retroactively_stop_dependencies(Unit *u) {
/* Pull down units which are bound to us recursively if enabled */
HASHMAP_FOREACH_KEY(v, other, u->dependencies[UNIT_BOUND_BY], i)
if (!UNIT_IS_INACTIVE_OR_DEACTIVATING(unit_active_state(other)))
manager_add_job(u->manager, JOB_STOP, other, JOB_REPLACE, NULL, NULL);
manager_add_job(u->manager, JOB_STOP, other, JOB_REPLACE, NULL, NULL, NULL);
}
void unit_start_on_failure(Unit *u) {
@ -2102,7 +2102,7 @@ void unit_start_on_failure(Unit *u) {
HASHMAP_FOREACH_KEY(v, other, u->dependencies[UNIT_ON_FAILURE], i) {
_cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
r = manager_add_job(u->manager, JOB_START, other, u->on_failure_job_mode, &error, NULL);
r = manager_add_job(u->manager, JOB_START, other, u->on_failure_job_mode, NULL, &error, NULL);
if (r < 0)
log_unit_warning_errno(u, r, "Failed to enqueue OnFailure= job, ignoring: %s", bus_error_message(&error, r));
}

20
src/test/test-engine.c
View File

@ -40,7 +40,7 @@ int main(int argc, char *argv[]) {
manager_dump_units(m, stdout, "\t");
printf("Test1: (Trivial)\n");
r = manager_add_job(m, JOB_START, c, JOB_REPLACE, &err, &j);
r = manager_add_job(m, JOB_START, c, JOB_REPLACE, NULL, &err, &j);
if (sd_bus_error_is_set(&err))
log_error("error: %s: %s", err.name, err.message);
assert_se(r == 0);
@ -53,15 +53,15 @@ int main(int argc, char *argv[]) {
manager_dump_units(m, stdout, "\t");
printf("Test2: (Cyclic Order, Unfixable)\n");
assert_se(manager_add_job(m, JOB_START, d, JOB_REPLACE, NULL, &j) == -EDEADLK);
assert_se(manager_add_job(m, JOB_START, d, JOB_REPLACE, NULL, NULL, &j) == -EDEADLK);
manager_dump_jobs(m, stdout, "\t");
printf("Test3: (Cyclic Order, Fixable, Garbage Collector)\n");
assert_se(manager_add_job(m, JOB_START, e, JOB_REPLACE, NULL, &j) == 0);
assert_se(manager_add_job(m, JOB_START, e, JOB_REPLACE, NULL, NULL, &j) == 0);
manager_dump_jobs(m, stdout, "\t");
printf("Test4: (Identical transaction)\n");
assert_se(manager_add_job(m, JOB_START, e, JOB_FAIL, NULL, &j) == 0);
assert_se(manager_add_job(m, JOB_START, e, JOB_FAIL, NULL, NULL, &j) == 0);
manager_dump_jobs(m, stdout, "\t");
printf("Load3:\n");
@ -69,21 +69,21 @@ int main(int argc, char *argv[]) {
manager_dump_units(m, stdout, "\t");
printf("Test5: (Colliding transaction, fail)\n");
assert_se(manager_add_job(m, JOB_START, g, JOB_FAIL, NULL, &j) == -EDEADLK);
assert_se(manager_add_job(m, JOB_START, g, JOB_FAIL, NULL, NULL, &j) == -EDEADLK);
printf("Test6: (Colliding transaction, replace)\n");
assert_se(manager_add_job(m, JOB_START, g, JOB_REPLACE, NULL, &j) == 0);
assert_se(manager_add_job(m, JOB_START, g, JOB_REPLACE, NULL, NULL, &j) == 0);
manager_dump_jobs(m, stdout, "\t");
printf("Test7: (Unmergeable job type, fail)\n");
assert_se(manager_add_job(m, JOB_STOP, g, JOB_FAIL, NULL, &j) == -EDEADLK);
assert_se(manager_add_job(m, JOB_STOP, g, JOB_FAIL, NULL, NULL, &j) == -EDEADLK);
printf("Test8: (Mergeable job type, fail)\n");
assert_se(manager_add_job(m, JOB_RESTART, g, JOB_FAIL, NULL, &j) == 0);
assert_se(manager_add_job(m, JOB_RESTART, g, JOB_FAIL, NULL, NULL, &j) == 0);
manager_dump_jobs(m, stdout, "\t");
printf("Test9: (Unmergeable job type, replace)\n");
assert_se(manager_add_job(m, JOB_STOP, g, JOB_REPLACE, NULL, &j) == 0);
assert_se(manager_add_job(m, JOB_STOP, g, JOB_REPLACE, NULL, NULL, &j) == 0);
manager_dump_jobs(m, stdout, "\t");
printf("Load4:\n");
@ -91,7 +91,7 @@ int main(int argc, char *argv[]) {
manager_dump_units(m, stdout, "\t");
printf("Test10: (Unmergeable job type of auxiliary job, fail)\n");
assert_se(manager_add_job(m, JOB_START, h, JOB_FAIL, NULL, &j) == 0);
assert_se(manager_add_job(m, JOB_START, h, JOB_FAIL, NULL, NULL, &j) == 0);
manager_dump_jobs(m, stdout, "\t");
assert_se(!hashmap_get(a->dependencies[UNIT_PROPAGATES_RELOAD_TO], b));