iptogeo/src/protocol.h

49 lines
1.3 KiB
C

/*
Copyright 2016 Grégory Soutadé
This file is part of iptogeo.
iptogeo 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.
iptogeo 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 iptogeo. If not, see <http://www.gnu.org/licenses/>.
*/
#include <stdint.h>
#define REQ_MAGIC 0x179E08EF
typedef struct {
uint32_t magic;
#define REQ_VERSION 1
uint8_t version;
#define REQ_REQ 1
#define REQ_RESP 0
uint8_t req;
#define REQ_IPV4 4
#define REQ_IPV6 16
uint8_t err;
uint8_t ip_type; // 4 or 6
uint32_t flags;
uint8_t ip[16]; // ipv4 or ipv6
uint8_t country_code[4];
} request_t;
enum {
REQ_ERR_NO_ERR = 0,
REQ_ERR_BAD_MAGIC,
REQ_ERR_BAD_VERSION,
REQ_ERR_BAD_REQ_FIELD,
REQ_ERR_BAD_IP_VERSION,
REQ_ERR_UNSUPPORTED_IP_VERSION, // 5
REQ_IP_NOT_FOUND, // Not really an error
};