1/* $OpenBSD: roaming.h,v 1.6 2011/12/07 05:44:38 djm Exp $ */
2/*
3 * Copyright (c) 2004-2009 AppGate Network Security AB
4 *
5 * Permission to use, copy, modify, and distribute this software for any
6 * purpose with or without fee is hereby granted, provided that the above
7 * copyright notice and this permission notice appear in all copies.
8 *
9 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
16 */
17
18#ifndef ROAMING_H
19#define ROAMING_H
20
21#define DEFAULT_ROAMBUF	65536
22#define MAX_ROAMBUF	(2*1024*1024) /* XXX arbitrary */
23#define ROAMING_REQUEST	"roaming@appgate.com"
24
25extern int roaming_enabled;
26extern int resume_in_progress;
27
28void	request_roaming(void);
29int	get_snd_buf_size(void);
30int	get_recv_buf_size(void);
31void	add_recv_bytes(u_int64_t);
32int	wait_for_roaming_reconnect(void);
33void	roaming_reply(int, u_int32_t, void *);
34void	set_out_buffer_size(size_t);
35ssize_t	roaming_write(int, const void *, size_t, int *);
36ssize_t	roaming_read(int, void *, size_t, int *);
37size_t	roaming_atomicio(ssize_t (*)(int, void *, size_t), int, void *, size_t);
38u_int64_t	get_recv_bytes(void);
39u_int64_t	get_sent_bytes(void);
40void	roam_set_bytes(u_int64_t, u_int64_t);
41void	resend_bytes(int, u_int64_t *);
42void	calculate_new_key(u_int64_t *, u_int64_t, u_int64_t);
43int	resume_kex(void);
44
45#endif /* ROAMING */
46