X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=src%2Fcore%2Fdbus-timer.c;h=43e785246cd9c053fd50f2cadc7c76273429eb73;hp=b396aed0478240df2637db62fe168c864bd2c74d;hb=615938651d3a4fd9253b08da00db22d451a8cef8;hpb=b30e2f4c18ad81b04e4314fd191a5d458553773c diff --git a/src/core/dbus-timer.c b/src/core/dbus-timer.c index b396aed04..43e785246 100644 --- a/src/core/dbus-timer.c +++ b/src/core/dbus-timer.c @@ -6,132 +6,323 @@ 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 + 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 - General Public License for more details. + Lesser General Public License for more details. - You should have received a copy of the GNU General Public License + You should have received a copy of the GNU Lesser General Public License along with systemd; If not, see . ***/ -#include - +#include "unit.h" +#include "timer.h" #include "dbus-unit.h" #include "dbus-timer.h" -#include "dbus-execute.h" -#include "dbus-common.h" - -#define BUS_TIMER_INTERFACE \ - " \n" \ - " \n" \ - " \n" \ - " \n" \ - " \n" \ - " \n" - -#define INTROSPECTION \ - DBUS_INTROSPECT_1_0_XML_DOCTYPE_DECL_NODE \ - "\n" \ - BUS_UNIT_INTERFACE \ - BUS_TIMER_INTERFACE \ - BUS_PROPERTIES_INTERFACE \ - BUS_PEER_INTERFACE \ - BUS_INTROSPECTABLE_INTERFACE \ - "\n" - -#define INTERFACES_LIST \ - BUS_UNIT_INTERFACES_LIST \ - "org.freedesktop.systemd1.Timer\0" - -const char bus_timer_interface[] _introspect_("Timer") = BUS_TIMER_INTERFACE; - -const char bus_timer_invalidating_properties[] = - "Timers\0" - "NextElapseUSec\0" - "Result\0"; - -static int bus_timer_append_timers(DBusMessageIter *i, const char *property, void *data) { - Timer *p = data; - DBusMessageIter sub, sub2; - TimerValue *k; - - assert(i); - assert(property); - assert(p); - - if (!dbus_message_iter_open_container(i, DBUS_TYPE_ARRAY, "(stt)", &sub)) - return -ENOMEM; - - LIST_FOREACH(value, k, p->values) { - char *buf; - const char *t; +#include "bus-util.h" +#include "errno-list.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; - bool b; - t = timer_base_to_string(k->base); - assert(endswith(t, "Sec")); + if (v->base == TIMER_CALENDAR) + continue; + + s = timer_base_to_string(v->base); + assert(endswith(s, "Sec")); /* s/Sec/USec/ */ - l = strlen(t); - if (!(buf = new(char, l+2))) + l = strlen(s); + buf = new(char, l+2); + if (!buf) return -ENOMEM; - memcpy(buf, t, l-3); + memcpy(buf, s, l-3); memcpy(buf+l-3, "USec", 5); - b = dbus_message_iter_open_container(&sub, DBUS_TYPE_STRUCT, NULL, &sub2) && - dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &buf) && - dbus_message_iter_append_basic(&sub2, DBUS_TYPE_UINT64, &k->value) && - dbus_message_iter_append_basic(&sub2, DBUS_TYPE_UINT64, &k->next_elapse) && - dbus_message_iter_close_container(&sub, &sub2); - - free(buf); - if (!b) - return -ENOMEM; + r = sd_bus_message_append(reply, "(stt)", buf, v->value, v->next_elapse); + if (r < 0) + return r; } - if (!dbus_message_iter_close_container(i, &sub)) - return -ENOMEM; + return sd_bus_message_close_container(reply); +} - return 0; +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 bus_timer_append_unit(DBusMessageIter *i, const char *property, void *data) { - Unit *u = data; - Timer *timer = TIMER(u); - const char *t; +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) { - assert(i); - assert(property); + Unit *u = userdata, *trigger; + + assert(bus); + assert(reply); assert(u); - t = UNIT_DEREF(timer->unit) ? UNIT_DEREF(timer->unit)->id : ""; + trigger = UNIT_TRIGGER(u); - return dbus_message_iter_append_basic(i, DBUS_TYPE_STRING, &t) ? 0 : -ENOMEM; + return sd_bus_message_append(reply, "s", trigger ? trigger->id : ""); } -static DEFINE_BUS_PROPERTY_APPEND_ENUM(bus_timer_append_timer_result, timer_result, TimerResult); +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; -static const BusProperty bus_timer_properties[] = { - { "Unit", bus_timer_append_unit, "s", 0 }, - { "Timers", bus_timer_append_timers, "a(stt)", 0 }, - { "NextElapseUSec", bus_property_append_usec, "t", offsetof(Timer, next_elapse) }, - { "Result", bus_timer_append_timer_result,"s", offsetof(Timer, result) }, - { NULL, } + 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 }; -DBusHandlerResult bus_timer_message_handler(Unit *u, DBusConnection *c, DBusMessage *message) { +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) { + if (c) + 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); - const BusBoundProperties bps[] = { - { "org.freedesktop.systemd1.Unit", bus_unit_properties, u }, - { "org.freedesktop.systemd1.Timer", bus_timer_properties, t }, - { NULL, } - }; + int r; - return bus_default_message_handler(c, message, INTROSPECTION, INTERFACES_LIST, bps); + 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; }