1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
|
/*
* This file is part of the Nice GLib ICE library.
*
* (C) 2007 Nokia Corporation. All rights reserved.
* Contact: Rémi Denis-Courmont
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is the Nice GLib ICE library.
*
* The Initial Developers of the Original Code are Collabora Ltd and Nokia
* Corporation. All Rights Reserved.
*
* Contributors:
* Rémi Denis-Courmont, Nokia
*
* Alternatively, the contents of this file may be used under the terms of the
* the GNU Lesser General Public License Version 2.1 (the "LGPL"), in which
* case the provisions of LGPL are applicable instead of those above. If you
* wish to allow use of your version of this file only under the terms of the
* LGPL and not to allow others to use your version of this file under the
* MPL, indicate your decision by deleting the provisions above and replace
* them with the notice and other provisions required by the LGPL. If you do
* not delete the provisions above, a recipient may use your version of this
* file under either the MPL or the LGPL.
*/
#ifndef STUN_TIMER_H
# define STUN_TIMER_H 1
/**
* @file timer.h
* @brief STUN retransmission timer
*/
#ifdef _WIN32
#include <winsock2.h>
#else
# include <sys/types.h>
# include <time.h>
#endif
typedef struct stun_timer_s
{
struct timeval deadline;
unsigned delay;
} stun_timer_t;
# ifdef __cplusplus
extern "C" {
# endif
/**
* Starts a STUN transaction retransmission timer.
* @param timer structure for internal timer state
*/
void stun_timer_start (stun_timer_t *timer);
void stun_timer_start_reliable (stun_timer_t *timer);
/**
* Updates a STUN transaction retransmission timer.
* @param timer internal timer state
* @return -1 if the transaction timed out,
* 0 if the transaction should be retransmitted,
* otherwise milliseconds left until next time out or retransmit.
*/
int stun_timer_refresh (stun_timer_t *timer);
unsigned stun_timer_remainder (const stun_timer_t *timer);
# ifdef __cplusplus
}
# endif
#endif /* !STUN_TIMER_H */
|