+static struct cache *ucache;
+
+static void friend_list(gchar **args, GSocketAddress *address)
+{
+ char *buffer;
+ GList *l;
+ for (l = g_list_first(ucache->friends); l != NULL; l = g_list_next(l)) {
+ struct friend *friend = l->data;
+ buffer = g_strdup_printf("%s\n", friend->name);
+ g_socket_send_to(usock, address, buffer, strlen(buffer), NULL, NULL);
+ g_free(buffer);
+ }
+ g_socket_send_to(usock, address, buffer, 0, NULL, NULL);
+}
+
+static void friend_add(gchar **args, GSocketAddress *address)
+{
+ char *name;
+ char *addr;
+ char *sport;
+ uint16_t port;
+ if (args[2] == NULL || args[3] == NULL || args[4] == NULL)
+ return;
+ name = args[2];
+ addr = args[3];
+ sport = args[4];
+ port = atoi(sport);
+ cache_add_friend(ucache, name, addr, port);
+}
+
+struct friend *friend_get_by_address(GInetAddress *address, uint16_t port)
+{
+ GList *l;
+ for (l = g_list_first(ucache->friends); l != NULL; l = g_list_next(l)) {
+ struct friend *friend = l->data;
+ if (g_inet_address_equal(g_inet_socket_address_get_address(friend->saddr), address) &&
+ friend->port == port)
+ return friend;
+ }
+ return NULL;
+}
+