chiark / gitweb /
main: remove testing assert
[elogind.git] / target.c
index c80c09d546b62a46bb97bcb3d65a99a850971443..5c83dbaaf847fd022a28172e0b1e8c7f2b94ffc1 100644 (file)
--- a/target.c
+++ b/target.c
@@ -37,6 +37,15 @@ static const char* const state_string_table[_TARGET_STATE_MAX] = {
         [TARGET_ACTIVE] = "active"
 };
 
+static void target_init(Unit *u) {
+        Target *t = TARGET(u);
+
+        assert(t);
+        assert(u->meta.load_state == UNIT_STUB);
+
+        t->state = 0;
+}
+
 static void target_dump(Unit *u, FILE *f, const char *prefix) {
         Target *t = TARGET(u);
 
@@ -52,13 +61,11 @@ static void target_set_state(Target *t, TargetState state) {
         TargetState old_state;
         assert(t);
 
-        if (state == t->state)
-                return;
-
         old_state = t->state;
         t->state = state;
 
-        log_debug("%s changed %s → %s", unit_id(UNIT(t)), state_string_table[old_state], state_string_table[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]);
 }
@@ -89,10 +96,40 @@ static UnitActiveState target_active_state(Unit *u) {
         return state_translation_table[TARGET(u)->state];
 }
 
+int target_get_runlevel(Target *t) {
+
+        static const struct {
+                const char *special;
+                const int runlevel;
+        } table[] = {
+                { SPECIAL_RUNLEVEL5_TARGET, '5' },
+                { SPECIAL_RUNLEVEL4_TARGET, '4' },
+                { SPECIAL_RUNLEVEL3_TARGET, '3' },
+                { SPECIAL_RUNLEVEL2_TARGET, '2' },
+                { SPECIAL_RUNLEVEL1_TARGET, '1' },
+                { SPECIAL_RUNLEVEL0_TARGET, '0' },
+                { SPECIAL_RUNLEVEL6_TARGET, '6' },
+        };
+
+        unsigned i;
+
+        assert(t);
+
+        /* Tries to determine if this is a SysV runlevel and returns
+         * it if that is so. */
+
+        for (i = 0; i < ELEMENTSOF(table); i++)
+                if (unit_has_name(UNIT(t), table[i].special))
+                        return table[i].runlevel;
+
+        return 0;
+}
+
 const UnitVTable target_vtable = {
         .suffix = ".target",
 
-        .init = unit_load_fragment_and_dropin,
+        .init = target_init,
+        .load = unit_load_fragment_and_dropin,
 
         .dump = target_dump,