/* SPDX-License-Identifier: LGPL-2.1+ */
#ifndef foosddhcp6clienthfoo
#define foosddhcp6clienthfoo

/***
  Copyright © 2014 Intel Corporation. All rights reserved.

  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 <inttypes.h>
#include <net/ethernet.h>
#include <sys/types.h>

#include "sd-dhcp6-lease.h"
#include "sd-event.h"

#include "_sd-common.h"

_SD_BEGIN_DECLARATIONS;

enum {
        SD_DHCP6_CLIENT_EVENT_STOP                      = 0,
        SD_DHCP6_CLIENT_EVENT_RESEND_EXPIRE             = 10,
        SD_DHCP6_CLIENT_EVENT_RETRANS_MAX               = 11,
        SD_DHCP6_CLIENT_EVENT_IP_ACQUIRE                = 12,
        SD_DHCP6_CLIENT_EVENT_INFORMATION_REQUEST       = 13,
};

enum {
        SD_DHCP6_OPTION_CLIENTID                   = 1,
        SD_DHCP6_OPTION_SERVERID                   = 2,
        SD_DHCP6_OPTION_IA_NA                      = 3,
        SD_DHCP6_OPTION_IA_TA                      = 4,
        SD_DHCP6_OPTION_IAADDR                     = 5,
        SD_DHCP6_OPTION_ORO                        = 6,
        SD_DHCP6_OPTION_PREFERENCE                 = 7,
        SD_DHCP6_OPTION_ELAPSED_TIME               = 8,
        SD_DHCP6_OPTION_RELAY_MSG                  = 9,
        /* option code 10 is unassigned */
        SD_DHCP6_OPTION_AUTH                       = 11,
        SD_DHCP6_OPTION_UNICAST                    = 12,
        SD_DHCP6_OPTION_STATUS_CODE                = 13,
        SD_DHCP6_OPTION_RAPID_COMMIT               = 14,
        SD_DHCP6_OPTION_USER_CLASS                 = 15,
        SD_DHCP6_OPTION_VENDOR_CLASS               = 16,
        SD_DHCP6_OPTION_VENDOR_OPTS                = 17,
        SD_DHCP6_OPTION_INTERFACE_ID               = 18,
        SD_DHCP6_OPTION_RECONF_MSG                 = 19,
        SD_DHCP6_OPTION_RECONF_ACCEPT              = 20,

        SD_DHCP6_OPTION_DNS_SERVERS                = 23,  /* RFC 3646 */
        SD_DHCP6_OPTION_DOMAIN_LIST                = 24,  /* RFC 3646 */
        SD_DHCP6_OPTION_IA_PD                      = 25,  /* RFC 3633, prefix delegation */
        SD_DHCP6_OPTION_IA_PD_PREFIX               = 26,  /* RFC 3633, prefix delegation */

        SD_DHCP6_OPTION_SNTP_SERVERS               = 31,  /* RFC 4075, deprecated */
        SD_DHCP6_OPTION_INFORMATION_REFRESH_TIME   = 32,  /* RFC 8415, sec. 21.23 */

        /* option code 35 is unassigned */

        SD_DHCP6_OPTION_FQDN                       = 39,  /* RFC 4704 */

        SD_DHCP6_OPTION_NTP_SERVER                 = 56,  /* RFC 5908 */

        /* option codes 89-142 are unassigned */
        /* option codes 144-65535 are unassigned */
};

typedef struct sd_dhcp6_client sd_dhcp6_client;

typedef void (*sd_dhcp6_client_callback_t)(sd_dhcp6_client *client, int event, void *userdata);
int sd_dhcp6_client_set_callback(
                sd_dhcp6_client *client,
                sd_dhcp6_client_callback_t cb,
                void *userdata);

int sd_dhcp6_client_set_ifindex(
                sd_dhcp6_client *client,
                int interface_index);
int sd_dhcp6_client_set_local_address(
                sd_dhcp6_client *client,
                const struct in6_addr *local_address);
int sd_dhcp6_client_set_mac(
                sd_dhcp6_client *client,
                const uint8_t *addr,
                size_t addr_len,
                uint16_t arp_type);
int sd_dhcp6_client_set_duid(
                sd_dhcp6_client *client,
                uint16_t duid_type,
                const void *duid,
                size_t duid_len);
int sd_dhcp6_client_set_duid_llt(
                sd_dhcp6_client *client,
                uint64_t llt_time);
int sd_dhcp6_client_set_iaid(
                sd_dhcp6_client *client,
                uint32_t iaid);
int sd_dhcp6_client_set_fqdn(
                sd_dhcp6_client *client,
                const char *fqdn);
int sd_dhcp6_client_set_information_request(
                sd_dhcp6_client *client,
                int enabled);
int sd_dhcp6_client_get_information_request(
                sd_dhcp6_client *client,
                int *enabled);
int sd_dhcp6_client_set_request_option(
                sd_dhcp6_client *client,
                uint16_t option);
int sd_dhcp6_client_set_prefix_delegation_hint(
                sd_dhcp6_client *client,
                uint8_t prefixlen,
                const struct in6_addr *pd_address);
int sd_dhcp6_client_get_prefix_delegation(sd_dhcp6_client *client,
                                          int *delegation);
int sd_dhcp6_client_set_prefix_delegation(sd_dhcp6_client *client,
                                          int delegation);
int sd_dhcp6_client_get_address_request(sd_dhcp6_client *client,
                                        int *request);
int sd_dhcp6_client_set_address_request(sd_dhcp6_client *client,
                                        int request);
int sd_dhcp6_client_set_transaction_id(sd_dhcp6_client *client, uint32_t transaction_id);

int sd_dhcp6_client_get_lease(
                sd_dhcp6_client *client,
                sd_dhcp6_lease **ret);

int sd_dhcp6_client_stop(sd_dhcp6_client *client);
int sd_dhcp6_client_start(sd_dhcp6_client *client);
int sd_dhcp6_client_is_running(sd_dhcp6_client *client);
int sd_dhcp6_client_attach_event(
                sd_dhcp6_client *client,
                sd_event *event,
                int64_t priority);
int sd_dhcp6_client_detach_event(sd_dhcp6_client *client);
sd_event *sd_dhcp6_client_get_event(sd_dhcp6_client *client);
sd_dhcp6_client *sd_dhcp6_client_ref(sd_dhcp6_client *client);
sd_dhcp6_client *sd_dhcp6_client_unref(sd_dhcp6_client *client);
int sd_dhcp6_client_new(sd_dhcp6_client **ret);

_SD_DEFINE_POINTER_CLEANUP_FUNC(sd_dhcp6_client, sd_dhcp6_client_unref);

_SD_END_DECLARATIONS;

#endif