2 * Copyright (C) 2013 Thadeu Lima de Souza Cascardo <cascardo@cascardo.info>
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 3 of the License, or
7 * (at your option) any later version.
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License along
15 * with this program; if not, write to the Free Software Foundation, Inc.,
16 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
22 #include <sys/socket.h>
23 #include <netinet/in.h>
24 #include <arpa/inet.h>
34 GInetSocketAddress *saddr;
37 static GSocket *usock;
41 GSocketAddress *address;
42 GInetAddress *any_addr;
45 any_addr = g_inet_address_new_any(G_SOCKET_FAMILY_IPV6);
46 usock = g_socket_new(G_SOCKET_FAMILY_IPV6, G_SOCKET_TYPE_DATAGRAM, G_SOCKET_PROTOCOL_UDP, NULL);
47 address = g_inet_socket_address_new(any_addr, 17078);
48 if (!g_socket_bind(usock, address, TRUE, &error)) {
52 g_object_unref(address);
53 g_object_unref(any_addr);
57 g_object_unref(usock);
61 int friend_send_message(struct friend *friend, char *buffer, size_t len)
63 g_socket_send_to(usock, G_SOCKET_ADDRESS(friend->saddr), buffer, len, NULL, NULL);
71 static struct cache *ucache;
73 struct friend *friend_get_by_address(GInetAddress *address, uint16_t port)
76 for (l = g_list_first(ucache->friends); l != NULL; l = g_list_next(l)) {
77 struct friend *friend = l->data;
78 if (g_inet_address_equal(g_inet_socket_address_get_address(friend->saddr), address) &&
85 int create_cache(struct cache **cache)
87 ucache = *cache = g_slice_new0(struct cache);
88 (*cache)->friends = NULL;
92 static void destroy_friend(gpointer data)
94 struct friend *friend = data;
96 g_free(friend->address);
97 g_object_unref(friend->saddr);
98 g_slice_free(struct friend, friend);
101 int destroy_cache(struct cache *cache)
104 g_list_free_full(cache->friends, destroy_friend);
105 g_slice_free(struct cache, cache);
108 char * friend_get_name(struct friend *friend)
113 int cache_add_friend(struct cache *cache, char *name, char *address, uint16_t port)
115 struct friend *friend;
117 friend = g_slice_new0(struct friend);
118 friend->name = g_strdup(name);
119 friend->address = g_strdup(address);
121 addr = g_inet_address_new_from_string(address);
122 friend->saddr = G_INET_SOCKET_ADDRESS(g_inet_socket_address_new(addr, friend->port));
123 g_object_unref(addr);
124 cache->friends = g_list_append(cache->friends, friend);
129 int load_cache(struct cache *cache, char *fname)
134 file = g_key_file_new();
135 g_key_file_load_from_file(file, fname, G_KEY_FILE_KEEP_COMMENTS | G_KEY_FILE_KEEP_TRANSLATIONS, NULL);
136 groups = g_key_file_get_groups(file, NULL);
137 for (group = groups; *group != NULL; group++) {
141 name = g_key_file_get_value(file, *group, "name", NULL);
142 address = g_key_file_get_value(file, *group, "address", NULL);
143 port = g_key_file_get_integer(file, *group, "port", NULL);
144 cache_add_friend(cache, name, address, port);
149 g_key_file_free(file);
153 int store_cache(struct cache *cache, char *fname)
159 file = g_key_file_new();
160 g_key_file_load_from_file(file, fname, G_KEY_FILE_KEEP_COMMENTS | G_KEY_FILE_KEEP_TRANSLATIONS, NULL);
161 for (f = g_list_first(cache->friends); f != NULL; f = g_list_next(f)) {
162 struct friend *friend = f->data;
163 g_key_file_set_value(file, friend->name, "name", friend->name);
164 g_key_file_set_value(file, friend->name, "address", friend->address);
165 g_key_file_set_integer(file, friend->name, "port", friend->port);
167 contents = g_key_file_to_data(file, &len, NULL);
168 g_file_set_contents(fname, contents, len, NULL);
170 g_key_file_free(file);