ccRTP
private.h
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1 // Copyright (C) 1999-2005 Open Source Telecom Corporation.
2 // Copyright (C) 2006-2010 David Sugar, Tycho Softworks.
3 //
4 // This program is free software; you can redistribute it and/or modify
5 // it under the terms of the GNU General Public License as published by
6 // the Free Software Foundation; either version 2 of the License, or
7 // (at your option) any later version.
8 //
9 // This program is distributed in the hope that it will be useful,
10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 // GNU General Public License for more details.
13 //
14 // You should have received a copy of the GNU General Public License
15 // along with this program; if not, write to the Free Software
16 // Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
17 //
18 // As a special exception to the GNU General Public License, permission is
19 // granted for additional uses of the text contained in its release
20 // of ccRTP.
21 //
22 // The exception is that, if you link the ccRTP library with other
23 // files to produce an executable, this does not by itself cause the
24 // resulting executable to be covered by the GNU General Public License.
25 // Your use of that executable is in no way restricted on account of
26 // linking the ccRTP library code into it.
27 //
28 // This exception does not however invalidate any other reasons why
29 // the executable file might be covered by the GNU General Public License.
30 //
31 // This exception applies only to the code released under the
32 // name ccRTP. If you copy code from other releases into a copy of
33 // ccRTP, as the General Public License permits, the exception does
34 // not apply to the code that you add in this way. To avoid misleading
35 // anyone as to the status of such modified files, you must delete
36 // this exception notice from them.
37 //
38 // If you write modifications of your own for ccRTP, it is your choice
39 // whether to permit this exception to apply to your modifications.
40 // If you do not wish that, delete this exception notice.
41 
51 // This is for the main page in Doxygen documentation
56 // This will make doxygen to generate example descriptions
86 #ifndef CCXX_RTP_PRIVATE_H_
87 #define CCXX_RTP_PRIVATE_H_
88 
89 #include <commoncpp/config.h>
90 #include <commoncpp/thread.h>
91 #include <commoncpp/socket.h>
92 #include <commoncpp/udp.h>
93 #include <commoncpp/process.h>
94 #include <commoncpp/export.h>
95 
96 #ifndef CCRTP_CAPE
97 #include "config.h"
98 #endif
99 
100 #undef PACKAGE
101 #undef VERSION
102 
103 // This is only of interest for developers, so it is included only if
104 // --with-nana flag is given to configure
105 #ifdef HAVE_LIBNANA
106 # include "nana.h"
107 # include "DL.h"
108 #else
109 # define I(e) /* empty */
110 # define DL(e) /* empty */
111 # define VDL(e) /* empty */
112 #endif
113 
114 NAMESPACE_COMMONCPP
115 
116 #ifdef _MSWINDOWS_
117 
118 #ifndef timeradd
119 #define timeradd(a, b, result) \
120 { \
121  (result)->tv_sec = (a)->tv_sec + (b)->tv_sec; \
122  (result)->tv_usec = (a)->tv_usec + (b)->tv_usec; \
123  if ( (result)->tv_usec >= 1000000 ) { \
124  (result)->tv_sec++; (result)->tv_usec -= 1000000ul; \
125  } \
126 }
127 #endif
128 
129 #ifndef timersub
130 #define timersub(a, b, result) \
131 { \
132  (result)->tv_sec = (a)->tv_sec - (b)->tv_sec; \
133  (result)->tv_usec = (a)->tv_usec - (b)->tv_usec; \
134  if ( (result)->tv_usec < 0 ) { \
135  (result)->tv_sec--; (result)->tv_usec += 1000000ul; \
136  } \
137 }
138 #endif
139 
140 #endif // WIN32
141 
142 // Number of seconds ellapsed from 1900 to 1970
143 const uint32 NTP_EPOCH_OFFSET = static_cast<uint32>(2208992400ul);
144 
145 uint32 random32();
146 uint16 random16();
147 
148 END_NAMESPACE
149 
150 #endif // ifndef CCXX_RTP_PRIVATE_H_
151