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/*
*
* Embedded Linux library
*
* Copyright (C) 2018 Intel Corporation. All rights reserved.
*
* This library 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.
*
* This library 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 this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
#ifndef __ELL_DHCP_H
#define __ELL_DHCP_H
#ifdef __cplusplus
extern "C" {
#endif
#include <stdbool.h>
struct l_dhcp_client;
struct l_dhcp_lease;
/* RFC 2132 */
enum l_dhcp_option {
L_DHCP_OPTION_SUBNET_MASK = 1, /* Section 3.3 */
L_DHCP_OPTION_ROUTER = 3, /* Section 3.5 */
L_DHCP_OPTION_DOMAIN_NAME_SERVER = 6, /* Section 3.8 */
L_DHCP_OPTION_HOST_NAME = 12, /* Section 3.14 */
L_DHCP_OPTION_DOMAIN_NAME = 15, /* Section 3.17 */
L_DHCP_OPTION_BROADCAST_ADDRESS = 28, /* Section 5.3 */
L_DHCP_OPTION_NTP_SERVERS = 42, /* Section 8.3 */
L_DHCP_OPTION_REQUESTED_IP_ADDRESS = 50, /* Section 9.1 */
L_DHCP_OPTION_IP_ADDRESS_LEASE_TIME = 51, /* Section 9.2 */
L_DHCP_OPTION_RENEWAL_T1_TIME = 58, /* Section 9.11 */
L_DHCP_OPTION_REBINDING_T2_TIME = 59, /* Section 9.12 */
L_DHCP_OPTION_SERVER_IDENTIFIER = 54, /* Section 9.7 */
};
enum l_dhcp_client_event {
L_DHCP_CLIENT_EVENT_LEASE_OBTAINED = 0,
L_DHCP_CLIENT_EVENT_IP_CHANGED,
L_DHCP_CLIENT_EVENT_LEASE_EXPIRED,
L_DHCP_CLIENT_EVENT_LEASE_RENEWED,
L_DHCP_CLIENT_EVENT_NO_LEASE,
};
typedef void (*l_dhcp_client_event_cb_t)(struct l_dhcp_client *client,
enum l_dhcp_client_event event,
void *userdata);
typedef void (*l_dhcp_debug_cb_t)(const char *str, void *user_data);
typedef void (*l_dhcp_destroy_cb_t)(void *userdata);
struct l_dhcp_client *l_dhcp_client_new(uint32_t ifindex);
bool l_dhcp_client_add_request_option(struct l_dhcp_client *client,
uint8_t option);
void l_dhcp_client_destroy(struct l_dhcp_client *client);
bool l_dhcp_client_set_address(struct l_dhcp_client *client, uint8_t type,
const uint8_t *addr, size_t addr_len);
bool l_dhcp_client_set_interface_name(struct l_dhcp_client *client,
const char *ifname);
bool l_dhcp_client_set_hostname(struct l_dhcp_client *client,
const char *hostname);
const struct l_dhcp_lease *l_dhcp_client_get_lease(
const struct l_dhcp_client *client);
bool l_dhcp_client_start(struct l_dhcp_client *client);
bool l_dhcp_client_stop(struct l_dhcp_client *client);
bool l_dhcp_client_set_event_handler(struct l_dhcp_client *client,
l_dhcp_client_event_cb_t handler,
void *userdata,
l_dhcp_destroy_cb_t destroy);
bool l_dhcp_client_set_debug(struct l_dhcp_client *client,
l_dhcp_debug_cb_t function,
void *user_data, l_dhcp_destroy_cb_t destroy);
char *l_dhcp_lease_get_address(const struct l_dhcp_lease *lease);
char *l_dhcp_lease_get_gateway(const struct l_dhcp_lease *lease);
char *l_dhcp_lease_get_netmask(const struct l_dhcp_lease *lease);
char *l_dhcp_lease_get_broadcast(const struct l_dhcp_lease *lease);
char *l_dhcp_lease_get_server_id(const struct l_dhcp_lease *lease);
char **l_dhcp_lease_get_dns(const struct l_dhcp_lease *lease);
uint32_t l_dhcp_lease_get_t1(const struct l_dhcp_lease *lease);
uint32_t l_dhcp_lease_get_t2(const struct l_dhcp_lease *lease);
uint32_t l_dhcp_lease_get_lifetime(const struct l_dhcp_lease *lease);
#ifdef __cplusplus
}
#endif
#endif /* __ELL_DHCP_H */