| /* |
| * |
| * 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, |
| }; |
| |
| 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_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); |
| |
| 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); |
| |
| 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 */ |