1/*
2 *  OpenVPN -- An application to securely tunnel IP networks
3 *             over a single TCP/UDP port, with support for SSL/TLS-based
4 *             session authentication and key exchange,
5 *             packet encryption, packet authentication, and
6 *             packet compression.
7 *
8 *  Copyright (C) 2002-2010 OpenVPN Technologies, Inc. <sales@openvpn.net>
9 *
10 *  This program is free software; you can redistribute it and/or modify
11 *  it under the terms of the GNU General Public License version 2
12 *  as published by the Free Software Foundation.
13 *
14 *  This program is distributed in the hope that it will be useful,
15 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
16 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17 *  GNU General Public License for more details.
18 *
19 *  You should have received a copy of the GNU General Public License
20 *  along with this program (see the file COPYING included with this
21 *  distribution); if not, write to the Free Software Foundation, Inc.,
22 *  59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
23 */
24
25#ifndef OCC_INLINE_H
26#define OCC_INLINE_H
27
28#ifdef ENABLE_OCC
29
30/*
31 * Inline functions
32 */
33
34static inline int
35occ_reset_op ()
36{
37  return -1;
38}
39
40/*
41 * Should we send an OCC_REQUEST message?
42 */
43static inline void
44check_send_occ_req (struct context *c)
45{
46  void check_send_occ_req_dowork (struct context *c);
47  if (event_timeout_defined (&c->c2.occ_interval)
48      && event_timeout_trigger (&c->c2.occ_interval,
49				&c->c2.timeval,
50				(!TO_LINK_DEF(c) && c->c2.occ_op < 0) ? ETT_DEFAULT : 0))
51    check_send_occ_req_dowork (c);
52}
53
54/*
55 * Should we send an MTU load test?
56 */
57static inline void
58check_send_occ_load_test (struct context *c)
59{
60  void check_send_occ_load_test_dowork (struct context *c);
61  if (event_timeout_defined (&c->c2.occ_mtu_load_test_interval)
62      && event_timeout_trigger (&c->c2.occ_mtu_load_test_interval,
63				&c->c2.timeval,
64				(!TO_LINK_DEF(c) && c->c2.occ_op < 0) ? ETT_DEFAULT : 0))
65    check_send_occ_load_test_dowork (c);
66}
67
68/*
69 * Should we send an OCC message?
70 */
71static inline void
72check_send_occ_msg (struct context *c)
73{
74  void check_send_occ_msg_dowork (struct context *c);
75  if (c->c2.occ_op >= 0)
76    {
77      if (!TO_LINK_DEF(c))
78	check_send_occ_msg_dowork (c);
79      else
80	tv_clear (&c->c2.timeval);  /* ZERO-TIMEOUT */
81    }
82}
83
84#endif
85#endif
86