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/* Copyright (C) 2022 CZ.NIC, z.s.p.o. <knot-dns@labs.nic.cz>
This program 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 3 of the License, or
(at your option) any later version.
This program 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.
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
/*!
* \brief Systemd API wrappers.
*/
#pragma once
#include "libknot/libknot.h"
#define KNOT_DBUS_NAME "cz.nic.knotd"
#define KNOT_DBUS_PATH "/cz/nic/knotd"
#define KNOT_BUS_EVENT_STARTED "started"
#define KNOT_BUS_EVENT_STOPPED "stopped"
#define KNOT_BUS_EVENT_ZONE_UPD "zone_updated"
#define KNOT_BUS_EVENT_ZONE_KSK_SUBM "zone_ksk_submission"
#define KNOT_BUS_EVENT_ZONE_INVALID "zone_dnssec_invalid"
/*!
* \brief Notify systemd about zone loading start.
*/
void systemd_zone_load_timeout_notify(void);
/*!
* \brief Update systemd service status with information about number
* of scheduled tasks.
*
* \param tasks Number of tasks to be done.
*/
void systemd_tasks_status_notify(int tasks);
/*!
* \brief Notify systemd about service is ready.
*/
void systemd_ready_notify(void);
/*!
* \brief Notify systemd about service is reloading.
*/
void systemd_reloading_notify(void);
/*!
* \brief Notify systemd about service is stopping.
*/
void systemd_stopping_notify(void);
/*!
* \brief Creates unique D-Bus sender reference (common for whole process).
*
* \retval KNOT_EOK on successful create of reference.
* \retval Negative value on error.
*/
int systemd_dbus_open(void);
/*!
* \brief Closes D-Bus.
*/
void systemd_dbus_close(void);
/*!
* \brief Emit event signal for started daemon.
*
* \param up Indication if the server has been started.
*/
void systemd_emit_running(bool up);
/*!
* \brief Emit event signal for updated zones.
*
* \param zone_name Zone name.
* \param serial Current zone SOA serial.
*/
void systemd_emit_zone_updated(const knot_dname_t *zone_name, uint32_t serial);
/*!
* \brief Emit event signal for KSK submission.
*
* \param zone_name Zone name.
* \param keytag Keytag of the ready key.
* \param keyid KASP id of the ready key.
*/
void systemd_emit_zone_submission(const knot_dname_t *zone_name, uint16_t keytag,
const char *keyid);
/*!
* \brief Emit event signal for failed DNSSEC validation.
*
* \param zone_name Zone name.
*/
void systemd_emit_zone_invalid(const knot_dname_t *zone_name);
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