ccRTP
private.h
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00001 // Copyright (C) 1999-2005 Open Source Telecom Corporation.
00002 // Copyright (C) 2006-2010 David Sugar, Tycho Softworks.
00003 //
00004 // This program is free software; you can redistribute it and/or modify
00005 // it under the terms of the GNU General Public License as published by
00006 // the Free Software Foundation; either version 2 of the License, or
00007 // (at your option) any later version.
00008 //
00009 // This program is distributed in the hope that it will be useful,
00010 // but WITHOUT ANY WARRANTY; without even the implied warranty of
00011 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00012 // GNU General Public License for more details.
00013 //
00014 // You should have received a copy of the GNU General Public License
00015 // along with this program; if not, write to the Free Software
00016 // Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
00017 //
00018 // As a special exception to the GNU General Public License, permission is
00019 // granted for additional uses of the text contained in its release
00020 // of ccRTP.
00021 //
00022 // The exception is that, if you link the ccRTP library with other
00023 // files to produce an executable, this does not by itself cause the
00024 // resulting executable to be covered by the GNU General Public License.
00025 // Your use of that executable is in no way restricted on account of
00026 // linking the ccRTP library code into it.
00027 //
00028 // This exception does not however invalidate any other reasons why
00029 // the executable file might be covered by the GNU General Public License.
00030 //
00031 // This exception applies only to the code released under the
00032 // name ccRTP.  If you copy code from other releases into a copy of
00033 // ccRTP, as the General Public License permits, the exception does
00034 // not apply to the code that you add in this way.  To avoid misleading
00035 // anyone as to the status of such modified files, you must delete
00036 // this exception notice from them.
00037 //
00038 // If you write modifications of your own for ccRTP, it is your choice
00039 // whether to permit this exception to apply to your modifications.
00040 // If you do not wish that, delete this exception notice.
00041 
00051 // This is for the main page in Doxygen documentation
00056 // This will make doxygen to generate example descriptions
00086 #ifndef CCXX_RTP_PRIVATE_H_
00087 #define CCXX_RTP_PRIVATE_H_
00088 
00089 #include <commoncpp/config.h>
00090 #include <commoncpp/thread.h>
00091 #include <commoncpp/socket.h>
00092 #include <commoncpp/udp.h>
00093 #include <commoncpp/process.h>
00094 #include <commoncpp/export.h>
00095 
00096 #include <ccrtp-config.h>
00097 
00098 #undef  PACKAGE
00099 #undef  VERSION
00100 
00101 // This is only of interest for developers, so it is included only if
00102 // --with-nana flag is given to configure
00103 #ifdef HAVE_LIBNANA
00104 #   include "nana.h"
00105 #   include "DL.h"
00106 #else
00107 #   define I(e)    /* empty */
00108 #   define DL(e)   /* empty */
00109 #   define VDL(e)  /* empty */
00110 #endif
00111 
00112 NAMESPACE_COMMONCPP
00113 
00114 #ifdef _MSWINDOWS_
00115 
00116 #ifndef timeradd
00117 #define timeradd(a, b, result)                              \
00118 {                                                           \
00119     (result)->tv_sec = (a)->tv_sec + (b)->tv_sec;           \
00120     (result)->tv_usec = (a)->tv_usec + (b)->tv_usec;        \
00121     if ( (result)->tv_usec >= 1000000 ) {                   \
00122         (result)->tv_sec++; (result)->tv_usec -= 1000000ul; \
00123     }                                                       \
00124 }
00125 #endif
00126 
00127 #ifndef timersub
00128 #define timersub(a, b, result)                              \
00129 {                                                           \
00130     (result)->tv_sec = (a)->tv_sec - (b)->tv_sec;           \
00131     (result)->tv_usec = (a)->tv_usec - (b)->tv_usec;        \
00132     if ( (result)->tv_usec < 0 ) {                          \
00133         (result)->tv_sec--; (result)->tv_usec += 1000000ul; \
00134     }                                                       \
00135 }
00136 #endif
00137 
00138 #endif // WIN32
00139 
00140 // Number of seconds ellapsed from 1900 to 1970
00141 const uint32 NTP_EPOCH_OFFSET = static_cast<uint32>(2208992400ul);
00142 
00143 uint32 random32();
00144 uint16 random16();
00145 
00146 END_NAMESPACE
00147 
00148 #endif // ifndef CCXX_RTP_PRIVATE_H_
00149