2 libloc - A library to determine the location of someone on the Internet
4 Copyright (C) 2017 IPFire Development Team <info@ipfire.org>
6 This library is free software; you can redistribute it and/or
7 modify it under the terms of the GNU Lesser General Public
8 License as published by the Free Software Foundation; either
9 version 2.1 of the License, or (at your option) any later version.
11 This library is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 Lesser General Public License for more details.
17 #ifndef LIBLOC_FORMAT_H
18 #define LIBLOC_FORMAT_H
22 #define LOC_DATABASE_MAGIC "LOCDBXX"
26 #define LOC_DATABASE_VERSION 0
29 #define LOC_DATABASE_DOMAIN_LATEST(version) "_latest._v" STR(version) ".location.ipfire.org"
31 #define LOC_DATABASE_PAGE_SIZE 4096
33 struct loc_database_magic
{
36 // Database version information
40 struct loc_database_header_v0
{
41 // UNIX timestamp when the database was created
44 // Vendor who created the database
47 // Description of the database
50 // License of the database
53 // Tells us where the ASes start
57 // Tells us where the networks start
58 uint32_t network_data_offset
;
59 uint32_t network_data_length
;
61 // Tells us where the network nodes start
62 uint32_t network_tree_offset
;
63 uint32_t network_tree_length
;
65 // Tells us where the countries start
66 uint32_t countries_offset
;
67 uint32_t countries_length
;
69 // Tells us where the pool starts
73 // Add some padding for future extensions
77 struct loc_database_network_node_v0
{
84 struct loc_database_network_v0
{
85 // The start address and prefix will be encoded in the tree
87 // The country this network is located in
100 struct loc_database_as_v0
{
108 struct loc_database_country_v0
{
110 char continent_code
[2];
112 // Name in the string pool