X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=src%2Fcore%2Ftarget.c;fp=src%2Fcore%2Ftarget.c;h=0000000000000000000000000000000000000000;hb=9ad77dd132a43bcb42ec391d0f7acee8935bde6c;hp=5f64402475976643b1532ba9e9dd0c24cecd997c;hpb=f48dd74a8d39b6074f820f904953f5cece03b9b0;p=elogind.git diff --git a/src/core/target.c b/src/core/target.c deleted file mode 100644 index 5f6440247..000000000 --- a/src/core/target.c +++ /dev/null @@ -1,236 +0,0 @@ -/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ - -/*** - 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 Lesser General Public License as published by - the Free Software Foundation; either version 2.1 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 - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public License - along with systemd; If not, see . -***/ - - -#include "unit.h" -#include "target.h" -#include "log.h" -#include "dbus-target.h" -#include "special.h" -#include "unit-name.h" - -static const UnitActiveState state_translation_table[_TARGET_STATE_MAX] = { - [TARGET_DEAD] = UNIT_INACTIVE, - [TARGET_ACTIVE] = UNIT_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)->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], true); -} - -static int target_add_default_dependencies(Target *t) { - - static const UnitDependency deps[] = { - UNIT_REQUIRES, - UNIT_REQUIRES_OVERRIDABLE, - UNIT_REQUISITE, - UNIT_REQUISITE_OVERRIDABLE, - UNIT_WANTS, - UNIT_BINDS_TO, - UNIT_PART_OF - }; - - Iterator i; - Unit *other; - int r; - unsigned k; - - assert(t); - - /* Imply ordering for requirement dependencies on target - * units. Note that when the user created a contradicting - * ordering manually we won't add anything in here to make - * sure we don't create a loop. */ - - for (k = 0; k < ELEMENTSOF(deps); k++) - SET_FOREACH(other, UNIT(t)->dependencies[deps[k]], i) { - r = unit_add_default_target_dependency(other, UNIT(t)); - if (r < 0) - return r; - } - - /* Make sure targets are unloaded on shutdown */ - return unit_add_dependency_by_name(UNIT(t), UNIT_CONFLICTS, SPECIAL_SHUTDOWN_TARGET, NULL, true); -} - -static int target_load(Unit *u) { - Target *t = TARGET(u); - int r; - - assert(t); - - r = unit_load_fragment_and_dropin(u); - if (r < 0) - return r; - - /* This is a new unit? Then let's add in some extras */ - if (u->load_state == UNIT_LOADED && u->default_dependencies) { - r = target_add_default_dependencies(t); - if (r < 0) - return r; - } - - return 0; -} - -static int target_coldplug(Unit *u, Hashmap *deferred_work) { - Target *t = TARGET(u); - - assert(t); - assert(t->state == TARGET_DEAD); - - 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) { - Target *t = TARGET(u); - - assert(t); - assert(f); - - fprintf(f, - "%sTarget State: %s\n", - prefix, target_state_to_string(t->state)); -} - -static int target_start(Unit *u) { - Target *t = TARGET(u); - - assert(t); - assert(t->state == TARGET_DEAD); - - target_set_state(t, TARGET_ACTIVE); - return 1; -} - -static int target_stop(Unit *u) { - Target *t = TARGET(u); - - assert(t); - assert(t->state == TARGET_ACTIVE); - - target_set_state(t, TARGET_DEAD); - return 1; -} - -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; - - state = target_state_from_string(value); - if (state < 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; -} - -_pure_ static UnitActiveState target_active_state(Unit *u) { - assert(u); - - return state_translation_table[TARGET(u)->state]; -} - -_pure_ static const char *target_sub_state_to_string(Unit *u) { - assert(u); - - return target_state_to_string(TARGET(u)->state); -} - -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 = { - .object_size = sizeof(Target), - - .sections = - "Unit\0" - "Target\0" - "Install\0", - - .load = target_load, - .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, - - .bus_interface = "org.freedesktop.systemd1.Target", - .bus_vtable = bus_target_vtable, - - .status_message_formats = { - .finished_start_job = { - [JOB_DONE] = "Reached target %s.", - [JOB_DEPENDENCY] = "Dependency failed for %s.", - }, - .finished_stop_job = { - [JOB_DONE] = "Stopped target %s.", - }, - }, -};