diff options
Diffstat (limited to 'src/core/dbus-timer.c')
-rw-r--r-- | src/core/dbus-timer.c | 140 |
1 files changed, 140 insertions, 0 deletions
diff --git a/src/core/dbus-timer.c b/src/core/dbus-timer.c new file mode 100644 index 0000000000..84b823c9a4 --- /dev/null +++ b/src/core/dbus-timer.c @@ -0,0 +1,140 @@ +/*-*- 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 <errno.h> + +#include "dbus-unit.h" +#include "dbus-timer.h" +#include "dbus-execute.h" +#include "dbus-common.h" +#include "selinux-access.h" + +#define BUS_TIMER_INTERFACE \ + " <interface name=\"org.freedesktop.systemd1.Timer\">\n" \ + " <property name=\"Unit\" type=\"s\" access=\"read\"/>\n" \ + " <property name=\"Timers\" type=\"a(stt)\" access=\"read\"/>\n" \ + " <property name=\"NextElapseUSec\" type=\"t\" access=\"read\"/>\n" \ + " <property name=\"Result\" type=\"s\" access=\"read\"/>\n" \ + " </interface>\n" + +#define INTROSPECTION \ + DBUS_INTROSPECT_1_0_XML_DOCTYPE_DECL_NODE \ + "<node>\n" \ + BUS_UNIT_INTERFACE \ + BUS_TIMER_INTERFACE \ + BUS_PROPERTIES_INTERFACE \ + BUS_PEER_INTERFACE \ + BUS_INTROSPECTABLE_INTERFACE \ + "</node>\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; + size_t l; + bool b; + + t = timer_base_to_string(k->base); + assert(endswith(t, "Sec")); + + /* s/Sec/USec/ */ + l = strlen(t); + if (!(buf = new(char, l+2))) + return -ENOMEM; + + memcpy(buf, t, 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; + } + + if (!dbus_message_iter_close_container(i, &sub)) + return -ENOMEM; + + return 0; +} + +static int bus_timer_append_unit(DBusMessageIter *i, const char *property, void *data) { + Unit *u = data; + Timer *timer = TIMER(u); + const char *t; + + assert(i); + assert(property); + assert(u); + + t = UNIT_DEREF(timer->unit) ? UNIT_DEREF(timer->unit)->id : ""; + + return dbus_message_iter_append_basic(i, DBUS_TYPE_STRING, &t) ? 0 : -ENOMEM; +} + +static DEFINE_BUS_PROPERTY_APPEND_ENUM(bus_timer_append_timer_result, timer_result, TimerResult); + +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, } +}; + +DBusHandlerResult bus_timer_message_handler(Unit *u, DBusConnection *c, DBusMessage *message) { + Timer *t = TIMER(u); + const BusBoundProperties bps[] = { + { "org.freedesktop.systemd1.Unit", bus_unit_properties, u }, + { "org.freedesktop.systemd1.Timer", bus_timer_properties, t }, + { NULL, } + }; + + SELINUX_UNIT_ACCESS_CHECK(u, c, message, "status"); + + return bus_default_message_handler(c, message, INTROSPECTION, INTERFACES_LIST, bps); +} |