diff options
author | mannol <eniz_vukovic@hotmail.com> | 2013-10-13 16:16:47 +0200 |
---|---|---|
committer | BtbN <btbn@btbn.de> | 2013-10-13 16:16:47 +0200 |
commit | da727875ac954b13ecb16521d255499511bb7424 (patch) | |
tree | 551904f3738612e9c15d98f320c323aa325a5cf8 /toxrtp/toxrtp_helper.c | |
parent | 1b971de651278429eea312f3240e1c5b8fbc67a4 (diff) |
tox A/V: RTP/MSI implementation
Diffstat (limited to 'toxrtp/toxrtp_helper.c')
-rw-r--r-- | toxrtp/toxrtp_helper.c | 209 |
1 files changed, 209 insertions, 0 deletions
diff --git a/toxrtp/toxrtp_helper.c b/toxrtp/toxrtp_helper.c new file mode 100644 index 00000000..bb2dc56b --- /dev/null +++ b/toxrtp/toxrtp_helper.c | |||
@@ -0,0 +1,209 @@ | |||
1 | /* rtp_helper.c | ||
2 | * | ||
3 | * Has some standard functions. !Red! | ||
4 | * | ||
5 | * | ||
6 | * Copyright (C) 2013 Tox project All Rights Reserved. | ||
7 | * | ||
8 | * This file is part of Tox. | ||
9 | * | ||
10 | * Tox is free software: you can redistribute it and/or modify | ||
11 | * it under the terms of the GNU General Public License as published by | ||
12 | * the Free Software Foundation, either version 3 of the License, or | ||
13 | * (at your option) any later version. | ||
14 | * | ||
15 | * Tox is distributed in the hope that it will be useful, | ||
16 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
18 | * GNU General Public License for more details. | ||
19 | * | ||
20 | * You should have received a copy of the GNU General Public License | ||
21 | * along with Tox. If not, see <http://www.gnu.org/licenses/>. | ||
22 | * | ||
23 | */ | ||
24 | |||
25 | |||
26 | |||
27 | #ifdef HAVE_CONFIG_H | ||
28 | #include "config.h" | ||
29 | #endif /* HAVE_CONFIG_H */ | ||
30 | |||
31 | #include "toxrtp_helper.h" | ||
32 | #include "../toxcore/network.h" | ||
33 | |||
34 | #include <arpa/inet.h> /* Fixes implicit function warning. */ | ||
35 | #include <assert.h> | ||
36 | |||
37 | #ifdef WIN | ||
38 | #include <windows.h> | ||
39 | #endif /* WIN */ | ||
40 | |||
41 | |||
42 | static int _seed = 0; /* Not initiated */ | ||
43 | |||
44 | int t_setipport ( const char* _ip, unsigned short _port, void* _dest ) | ||
45 | { | ||
46 | assert(_dest); | ||
47 | |||
48 | IP_Port* _dest_c = ( IP_Port* ) _dest; | ||
49 | ip_init(&_dest_c->ip, 0); | ||
50 | |||
51 | IP_Port _ipv6_garbage; | ||
52 | |||
53 | if ( !addr_resolve(_ip, &_dest_c->ip, &_ipv6_garbage.ip) ) | ||
54 | return FAILURE; | ||
55 | |||
56 | _dest_c->port = htons ( _port ); | ||
57 | |||
58 | return SUCCESS; | ||
59 | } | ||
60 | |||
61 | uint32_t t_random ( uint32_t _max ) | ||
62 | { | ||
63 | if ( !_seed ) { | ||
64 | srand ( t_time() ); | ||
65 | _seed++; | ||
66 | } | ||
67 | |||
68 | if ( _max <= 0 ) { | ||
69 | return ( unsigned ) rand(); | ||
70 | } else { | ||
71 | return ( unsigned ) rand() % _max; | ||
72 | } | ||
73 | } | ||
74 | |||
75 | void t_memcpy ( uint8_t* _dest, const uint8_t* _source, size_t _size ) | ||
76 | { | ||
77 | /* | ||
78 | * Using countdown to zero method | ||
79 | * It's faster than for(_it = 0; _it < _size; _it++); | ||
80 | */ | ||
81 | size_t _it = _size; | ||
82 | |||
83 | do { | ||
84 | _it--; | ||
85 | _dest[_it] = _source[_it]; | ||
86 | } while ( _it ); | ||
87 | |||
88 | } | ||
89 | |||
90 | uint8_t* t_memset ( uint8_t* _dest, uint8_t _valu, size_t _size ) | ||
91 | { | ||
92 | /* | ||
93 | * Again using countdown to zero method | ||
94 | */ | ||
95 | size_t _it = _size; | ||
96 | |||
97 | do { | ||
98 | _it--; | ||
99 | _dest[_it] = _valu; | ||
100 | } while ( _it ); | ||
101 | |||
102 | return _dest; | ||
103 | } | ||
104 | |||
105 | size_t t_memlen ( const uint8_t* _valu) | ||
106 | { | ||
107 | const uint8_t* _it; | ||
108 | size_t _retu = 0; | ||
109 | |||
110 | for ( _it = _valu; *_it; ++_it ) ++_retu; | ||
111 | |||
112 | return _retu; | ||
113 | } | ||
114 | |||
115 | uint8_t* t_strallcpy ( const uint8_t* _source ) /* string alloc and copy */ | ||
116 | { | ||
117 | assert(_source); | ||
118 | |||
119 | size_t _length = t_memlen(_source) + 1; /* make space for null character */ | ||
120 | |||
121 | uint8_t* _dest = calloc( sizeof ( uint8_t ), _length ); | ||
122 | assert(_dest); | ||
123 | |||
124 | t_memcpy(_dest, _source, _length); | ||
125 | |||
126 | return _dest; | ||
127 | } | ||
128 | |||
129 | size_t t_strfind ( const uint8_t* _str, const uint8_t* _substr ) | ||
130 | { | ||
131 | size_t _pos = 0; | ||
132 | size_t _it, _delit = 0; | ||
133 | |||
134 | for ( _it = 0; _str[_it] != '\0'; _it++ ){ | ||
135 | if ( _str[_it] == _substr[_delit] ){ | ||
136 | _pos = _it; | ||
137 | while ( _str[_it] == _substr[_delit] && _str[_it] != '\0' ){ | ||
138 | _it ++; | ||
139 | _delit++; | ||
140 | |||
141 | if ( _substr[_delit] == '\0' ){ | ||
142 | return _pos; | ||
143 | } | ||
144 | } | ||
145 | _delit = 0; | ||
146 | _pos = 0; | ||
147 | } | ||
148 | } | ||
149 | return _pos; | ||
150 | } | ||
151 | |||
152 | #ifdef WIN | ||
153 | #if defined(_MSC_VER) || defined(_MSC_EXTENSIONS) | ||
154 | #define DELTA_EPOCH_IN_MICROSECS 11644473600000000Ui64 | ||
155 | #else | ||
156 | #define DELTA_EPOCH_IN_MICROSECS 11644473600000000ULL | ||
157 | #endif | ||
158 | |||
159 | struct timezone | ||
160 | { | ||
161 | int tz_minuteswest; /* minutes W of Greenwich */ | ||
162 | int tz_dsttime; /* type of dst correction */ | ||
163 | }; | ||
164 | |||
165 | int gettimeofday(struct timeval *tv, struct timezone *tz) | ||
166 | { | ||
167 | FILETIME ft; | ||
168 | unsigned __int64 tmpres = 0; | ||
169 | static int tzflag; | ||
170 | |||
171 | if (NULL != tv) | ||
172 | { | ||
173 | GetSystemTimeAsFileTime(&ft); | ||
174 | |||
175 | tmpres |= ft.dwHighDateTime; | ||
176 | tmpres <<= 32; | ||
177 | tmpres |= ft.dwLowDateTime; | ||
178 | |||
179 | /*converting file time to unix epoch*/ | ||
180 | tmpres -= DELTA_EPOCH_IN_MICROSECS; | ||
181 | tmpres /= 10; /*convert into microseconds*/ | ||
182 | tv->tv_sec = (long)(tmpres / 1000000UL); | ||
183 | tv->tv_usec = (long)(tmpres % 1000000UL); | ||
184 | } | ||
185 | |||
186 | if (NULL != tz) | ||
187 | { | ||
188 | if (!tzflag) | ||
189 | { | ||
190 | _tzset(); | ||
191 | tzflag++; | ||
192 | } | ||
193 | tz->tz_minuteswest = _timezone / 60; | ||
194 | tz->tz_dsttime = _daylight; | ||
195 | } | ||
196 | |||
197 | return 0; | ||
198 | } | ||
199 | #endif /* WIN */ | ||
200 | |||
201 | |||
202 | uint64_t t_time() | ||
203 | { | ||
204 | struct timeval _tv; | ||
205 | gettimeofday(&_tv, NULL); | ||
206 | uint64_t _retu_usec = _tv.tv_sec % 1000000; /* get 6 digits an leave space for 3 more */ | ||
207 | _retu_usec = _retu_usec * 1000 + (_tv.tv_usec / 1000 ); | ||
208 | return _retu_usec; | ||
209 | } | ||