#include "target.h"
#include "load-fragment.h"
#include "log.h"
+#include "dbus-target.h"
static const UnitActiveState state_translation_table[_TARGET_STATE_MAX] = {
[TARGET_DEAD] = UNIT_INACTIVE,
[TARGET_ACTIVE] = UNIT_ACTIVE
};
-static const char* const state_string_table[_TARGET_STATE_MAX] = {
- [TARGET_DEAD] = "dead",
- [TARGET_ACTIVE] = "active"
-};
+static void target_set_state(Target *t, TargetState state) {
+ TargetState old_state;
+ assert(t);
+
+ old_state = t->state;
+ t->state = state;
+
+ if (state != old_state)
+ log_debug("%s changed %s -> %s",
+ UNIT(t)->meta.id,
+ target_state_to_string(old_state),
+ target_state_to_string(state));
+
+ unit_notify(UNIT(t), state_translation_table[old_state], state_translation_table[state]);
+}
-static void target_init(Unit *u) {
+static int target_coldplug(Unit *u) {
Target *t = TARGET(u);
assert(t);
- assert(u->meta.load_state == UNIT_STUB);
+ assert(t->state == TARGET_DEAD);
- t->state = 0;
+ if (t->deserialized_state != t->state)
+ target_set_state(t, t->deserialized_state);
+
+ return 0;
}
static void target_dump(Unit *u, FILE *f, const char *prefix) {
fprintf(f,
"%sTarget State: %s\n",
- prefix, state_string_table[t->state]);
-}
-
-static void target_set_state(Target *t, TargetState state) {
- TargetState old_state;
- assert(t);
-
- old_state = t->state;
- t->state = state;
-
- if (state != old_state)
- log_debug("%s changed %s → %s", unit_id(UNIT(t)), state_string_table[old_state], state_string_table[state]);
-
- unit_notify(UNIT(t), state_translation_table[old_state], state_translation_table[state]);
+ prefix, target_state_to_string(t->state));
}
static int target_start(Unit *u) {
return 0;
}
+static int target_serialize(Unit *u, FILE *f, FDSet *fds) {
+ Target *s = TARGET(u);
+
+ assert(s);
+ assert(f);
+ assert(fds);
+
+ unit_serialize_item(u, f, "state", target_state_to_string(s->state));
+ return 0;
+}
+
+static int target_deserialize_item(Unit *u, const char *key, const char *value, FDSet *fds) {
+ Target *s = TARGET(u);
+
+ assert(u);
+ assert(key);
+ assert(value);
+ assert(fds);
+
+ if (streq(key, "state")) {
+ TargetState state;
+
+ if ((state = target_state_from_string(value)) < 0)
+ log_debug("Failed to parse state value %s", value);
+ else
+ s->deserialized_state = state;
+
+ } else
+ log_debug("Unknown serialization key '%s'", key);
+
+ return 0;
+}
+
static UnitActiveState target_active_state(Unit *u) {
assert(u);
static const char *target_sub_state_to_string(Unit *u) {
assert(u);
- return state_string_table[TARGET(u)->state];
+ return target_state_to_string(TARGET(u)->state);
}
int target_get_runlevel(Target *t) {
return 0;
}
+static const char* const target_state_table[_TARGET_STATE_MAX] = {
+ [TARGET_DEAD] = "dead",
+ [TARGET_ACTIVE] = "active"
+};
+
+DEFINE_STRING_TABLE_LOOKUP(target_state, TargetState);
+
const UnitVTable target_vtable = {
.suffix = ".target",
- .init = target_init,
.load = unit_load_fragment_and_dropin,
+ .coldplug = target_coldplug,
.dump = target_dump,
.start = target_start,
.stop = target_stop,
+ .serialize = target_serialize,
+ .deserialize_item = target_deserialize_item,
+
.active_state = target_active_state,
- .sub_state_to_string = target_sub_state_to_string
+ .sub_state_to_string = target_sub_state_to_string,
+
+ .bus_message_handler = bus_target_message_handler
};