/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ /*** This file is part of systemd. Copyright 2013 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 <http://www.gnu.org/licenses/>. ***/ #include "unit.h" #include "scope.h" #include "dbus-unit.h" #include "dbus-cgroup.h" #include "dbus-kill.h" #include "dbus-scope.h" #include "bus-util.h" static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_result, scope_result, ScopeResult); const sd_bus_vtable bus_scope_vtable[] = { SD_BUS_VTABLE_START(0), SD_BUS_PROPERTY("TimeoutStopUSec", "t", bus_property_get_usec, offsetof(Scope, timeout_stop_usec), 0), SD_BUS_PROPERTY("Result", "s", property_get_result, offsetof(Scope, result), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), SD_BUS_VTABLE_END }; const char* const bus_scope_changing_properties[] = { "Result", NULL }; static int bus_scope_set_transient_property( Scope *s, const char *name, sd_bus_message *message, UnitSetPropertiesMode mode, sd_bus_error *error) { int r; assert(s); assert(name); assert(message); if (streq(name, "PIDs")) { unsigned n = 0; uint32_t pid; r = set_ensure_allocated(&s->pids, trivial_hash_func, trivial_compare_func); if (r < 0) return r; r = sd_bus_message_enter_container(message, 'a', "u"); if (r < 0) return r; while ((r = sd_bus_message_read(message, "u", &pid)) > 0) { if (pid <= 1) return -EINVAL; if (mode != UNIT_CHECK) { r = set_put(s->pids, LONG_TO_PTR(pid)); if (r < 0 && r != -EEXIST) return r; } n++; } if (r < 0) return r; r = sd_bus_message_exit_container(message); if (r < 0) return r; if (n <= 0) return -EINVAL; return 1; } else if (streq(name, "TimeoutStopUSec")) { if (mode != UNIT_CHECK) { r = sd_bus_message_read(message, "t", &s->timeout_stop_usec); if (r < 0) return r; unit_write_drop_in_format(UNIT(s), mode, name, "[Scope]\nTimeoutStopSec=%lluus\n", (unsigned long long) s->timeout_stop_usec); } else { r = sd_bus_message_skip(message, "t"); if (r < 0) return r; } return 1; } return 0; } int bus_scope_set_property( Unit *u, const char *name, sd_bus_message *message, UnitSetPropertiesMode mode, sd_bus_error *error) { Scope *s = SCOPE(u); int r; assert(s); assert(name); assert(message); r = bus_cgroup_set_property(u, &s->cgroup_context, name, message, mode, error); if (r != 0) return r; if (u->load_state == UNIT_STUB) { /* While we are created we still accept PIDs */ r = bus_scope_set_transient_property(s, name, message, mode, error); if (r != 0) return r; r = bus_kill_context_set_transient_property(u, &s->kill_context, name, message, mode, error); if (r != 0) return r; } return 0; } int bus_scope_commit_properties(Unit *u) { assert(u); unit_realize_cgroup(u); return 0; }