X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=target.c;h=176ab68c42f4d5f7ce2a601c3dffcd867f3d0028;hb=6dde1f33e1249a8a6b354372dd95065f26b8c712;hp=03f092e35c112fe8afa81245c272632b4df31b50;hpb=d46de8a1a249e179687361dcaeba27e1c586253a;p=elogind.git diff --git a/target.c b/target.c index 03f092e35..176ab68c4 100644 --- a/target.c +++ b/target.c @@ -1,6 +1,26 @@ /*-*- Mode: C; c-basic-offset: 8 -*-*/ +/*** + This file is part of systemd. + + Copyright 2010 Lennart Poettering + + systemd is free software; you can redistribute it and/or modify it + under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + systemd is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + General Public License for more details. + + You should have received a copy of the GNU General Public License + along with systemd; If not, see . +***/ + #include +#include #include "unit.h" #include "target.h" @@ -17,18 +37,6 @@ static const char* const state_string_table[_TARGET_STATE_MAX] = { [TARGET_ACTIVE] = "active" }; -static int target_init(Unit *u) { - int r; - assert(u); - - /* Make sure this config file actually exists */ - - if ((r = unit_load_fragment_and_dropin(u)) <= 0) - return r < 0 ? r : -ENOENT; - - return 0; -} - static void target_dump(Unit *u, FILE *f, const char *prefix) { Target *t = TARGET(u); @@ -47,7 +55,8 @@ static void target_set_state(Target *t, TargetState state) { 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(t)->meta.id, state_string_table[old_state], state_string_table[state]); unit_notify(UNIT(t), state_translation_table[old_state], state_translation_table[state]); } @@ -78,15 +87,51 @@ static UnitActiveState target_active_state(Unit *u) { return state_translation_table[TARGET(u)->state]; } +static const char *target_sub_state_to_string(Unit *u) { + assert(u); + + return state_string_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 = target_init, + .load = unit_load_fragment_and_dropin, .dump = target_dump, .start = target_start, .stop = target_stop, - .active_state = target_active_state + .active_state = target_active_state, + .sub_state_to_string = target_sub_state_to_string };