/*-*- 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 <http://www.gnu.org/licenses/>. ***/ #include "unit.h" #include "timer.h" #include "dbus-timer.h" #include "bus-util.h" #include "strv.h" static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_result, timer_result, TimerResult); static int property_get_monotonic_timers( sd_bus *bus, const char *path, const char *interface, const char *property, sd_bus_message *reply, void *userdata, sd_bus_error *error) { Timer *t = userdata; TimerValue *v; int r; assert(bus); assert(reply); assert(t); r = sd_bus_message_open_container(reply, 'a', "(stt)"); if (r < 0) return r; LIST_FOREACH(value, v, t->values) { _cleanup_free_ char *buf = NULL; const char *s; size_t l; if (v->base == TIMER_CALENDAR) continue; s = timer_base_to_string(v->base); assert(endswith(s, "Sec")); /* s/Sec/USec/ */ l = strlen(s); buf = new(char, l+2); if (!buf) return -ENOMEM; memcpy(buf, s, l-3); memcpy(buf+l-3, "USec", 5); r = sd_bus_message_append(reply, "(stt)", buf, v->value, v->next_elapse); if (r < 0) return r; } return sd_bus_message_close_container(reply); } static int property_get_calendar_timers( sd_bus *bus, const char *path, const char *interface, const char *property, sd_bus_message *reply, void *userdata, sd_bus_error *error) { Timer *t = userdata; TimerValue *v; int r; assert(bus); assert(reply); assert(t); r = sd_bus_message_open_container(reply, 'a', "(sst)"); if (r < 0) return r; LIST_FOREACH(value, v, t->values) { _cleanup_free_ char *buf = NULL; if (v->base != TIMER_CALENDAR) continue; r = calendar_spec_to_string(v->calendar_spec, &buf); if (r < 0) return r; r = sd_bus_message_append(reply, "(sst)", timer_base_to_string(v->base), buf, v->next_elapse); if (r < 0) return r; } return sd_bus_message_close_container(reply); } static int property_get_unit( sd_bus *bus, const char *path, const char *interface, const char *property, sd_bus_message *reply, void *userdata, sd_bus_error *error) { Unit *u = userdata, *trigger; assert(bus); assert(reply); assert(u); trigger = UNIT_TRIGGER(u); return sd_bus_message_append(reply, "s", trigger ? trigger->id : ""); } static int property_get_next_elapse_monotonic( sd_bus *bus, const char *path, const char *interface, const char *property, sd_bus_message *reply, void *userdata, sd_bus_error *error) { Timer *t = userdata; usec_t x; assert(bus); assert(reply); assert(t); if (t->next_elapse_monotonic_or_boottime <= 0) x = 0; else if (t->wake_system) { usec_t a, b; a = now(CLOCK_MONOTONIC); b = now(CLOCK_BOOTTIME); if (t->next_elapse_monotonic_or_boottime + a > b) x = t->next_elapse_monotonic_or_boottime + a - b; else x = 0; } else x = t->next_elapse_monotonic_or_boottime; return sd_bus_message_append(reply, "t", x); } const sd_bus_vtable bus_timer_vtable[] = { SD_BUS_VTABLE_START(0), SD_BUS_PROPERTY("Unit", "s", property_get_unit, 0, SD_BUS_VTABLE_PROPERTY_CONST), SD_BUS_PROPERTY("TimersMonotonic", "a(stt)", property_get_monotonic_timers, 0, SD_BUS_VTABLE_PROPERTY_EMITS_INVALIDATION), SD_BUS_PROPERTY("TimersCalendar", "a(sst)", property_get_calendar_timers, 0, SD_BUS_VTABLE_PROPERTY_EMITS_INVALIDATION), SD_BUS_PROPERTY("NextElapseUSecRealtime", "t", bus_property_get_usec, offsetof(Timer, next_elapse_realtime), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), SD_BUS_PROPERTY("NextElapseUSecMonotonic", "t", property_get_next_elapse_monotonic, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), BUS_PROPERTY_DUAL_TIMESTAMP("LastTriggerUSec", offsetof(Timer, last_trigger), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), SD_BUS_PROPERTY("Result", "s", property_get_result, offsetof(Timer, result), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), SD_BUS_PROPERTY("AccuracyUSec", "t", bus_property_get_usec, offsetof(Timer, accuracy_usec), SD_BUS_VTABLE_PROPERTY_CONST), SD_BUS_PROPERTY("Persistent", "b", bus_property_get_bool, offsetof(Timer, persistent), SD_BUS_VTABLE_PROPERTY_CONST), SD_BUS_PROPERTY("WakeSystem", "b", bus_property_get_bool, offsetof(Timer, wake_system), SD_BUS_VTABLE_PROPERTY_CONST), SD_BUS_VTABLE_END }; static int bus_timer_set_transient_property( Timer *t, const char *name, sd_bus_message *message, UnitSetPropertiesMode mode, sd_bus_error *error) { int r; assert(t); assert(name); assert(message); if (STR_IN_SET(name, "OnActiveSec", "OnBootSec", "OnStartupSec", "OnUnitActiveSec", "OnUnitInactiveSec")) { TimerValue *v; TimerBase b = _TIMER_BASE_INVALID; usec_t u = 0; b = timer_base_from_string(name); if (b < 0) return -EINVAL; r = sd_bus_message_read(message, "t", &u); if (r < 0) return r; if (mode != UNIT_CHECK) { char time[FORMAT_TIMESPAN_MAX]; unit_write_drop_in_private_format(UNIT(t), mode, name, "%s=%s\n", name, format_timespan(time, sizeof(time), u, USEC_PER_MSEC)); v = new0(TimerValue, 1); if (!v) return -ENOMEM; v->base = b; v->value = u; LIST_PREPEND(value, t->values, v); } return 1; } else if (streq(name, "OnCalendar")) { TimerValue *v; CalendarSpec *c = NULL; const char *str; r = sd_bus_message_read(message, "s", &str); if (r < 0) return r; if (mode != UNIT_CHECK) { r = calendar_spec_from_string(str, &c); if (r < 0) return r; unit_write_drop_in_private_format(UNIT(t), mode, name, "%s=%s\n", name, str); v = new0(TimerValue, 1); if (!v) { calendar_spec_free(c); return -ENOMEM; } v->base = TIMER_CALENDAR; v->calendar_spec = c; LIST_PREPEND(value, t->values, v); } return 1; } else if (streq(name, "AccuracySec")) { usec_t u = 0; r = sd_bus_message_read(message, "t", &u); if (r < 0) return r; if (mode != UNIT_CHECK) { char time[FORMAT_TIMESPAN_MAX]; t->accuracy_usec = u; unit_write_drop_in_private_format(UNIT(t), mode, name, "%s=%s\n", name, format_timespan(time, sizeof(time), u, USEC_PER_MSEC)); } return 1; } else if (streq(name, "WakeSystem")) { int b; r = sd_bus_message_read(message, "b", &b); if (r < 0) return r; if (mode != UNIT_CHECK) { t->wake_system = b; unit_write_drop_in_private_format(UNIT(t), mode, name, "%s=%s\n", name, yes_no(t->wake_system)); } return 1; } return 0; } int bus_timer_set_property( Unit *u, const char *name, sd_bus_message *message, UnitSetPropertiesMode mode, sd_bus_error *error) { Timer *t = TIMER(u); int r; assert(t); assert(name); assert(message); if (u->transient && u->load_state == UNIT_STUB) { r = bus_timer_set_transient_property(t, name, message, mode, error); if (r != 0) return r; } return 0; }