00001 // $Id: DatagramSocketProtocol.cc 1742 2010-11-04 14:51:56Z g0dil $ 00002 // 00003 // Copyright (C) 2007 00004 // Fraunhofer (FOKUS) 00005 // Competence Center NETwork research (NET), St. Augustin, GERMANY 00006 // Stefan Bund <g0dil@berlios.de> 00007 // 00008 // This program is free software; you can redistribute it and/or modify 00009 // it under the terms of the GNU General Public License as published by 00010 // the Free Software Foundation; either version 2 of the License, or 00011 // (at your option) any later version. 00012 // 00013 // This program is distributed in the hope that it will be useful, 00014 // but WITHOUT ANY WARRANTY; without even the implied warranty of 00015 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00016 // GNU General Public License for more details. 00017 // 00018 // You should have received a copy of the GNU General Public License 00019 // along with this program; if not, write to the 00020 // Free Software Foundation, Inc., 00021 // 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. 00022 00026 #include "DatagramSocketProtocol.hh" 00027 //#include "DatagramSocketProtocol.ih" 00028 00029 // Custom includes 00030 #include <sys/types.h> 00031 #include <sys/socket.h> 00032 #include <sys/ioctl.h> 00033 00034 //#include "DatagramSocketProtocol.mpp" 00035 #define prefix_ 00036 //-///////////////////////////////////////////////////////////////////////////////////////////////// 00037 00038 prefix_ senf::ClockService::clock_type senf::DatagramSocketProtocol::timestamp() 00039 const 00040 { 00041 struct timeval tv; 00042 if (::ioctl(fd(), SIOCGSTAMP, &tv) < 0) 00043 SENF_THROW_SYSTEM_EXCEPTION(""); 00044 return ClockService::from_timeval(tv); 00045 } 00046 00047 prefix_ senf::ClockService::clock_type senf::DatagramSocketProtocol::timestamp_system() 00048 const 00049 { 00050 // we use gettimeofday() here, since on some boxes the above ioctl() return bogus values. 00051 // this may reduce the precision, but we only care about +/- 1ms, for now 00052 struct timeval tv; 00053 ::gettimeofday( &tv, NULL); 00054 return tv.tv_sec * 1000000000LL + tv.tv_usec * 1000LL; 00055 } 00056 00057 00058 //-///////////////////////////////////////////////////////////////////////////////////////////////// 00059 #undef prefix_ 00060 //#include "DatagramSocketProtocol.mpp" 00061 00062 00063 // Local Variables: 00064 // mode: c++ 00065 // fill-column: 100 00066 // comment-column: 40 00067 // c-file-style: "senf" 00068 // indent-tabs-mode: nil 00069 // ispell-local-dictionary: "american" 00070 // compile-command: "scons -u test" 00071 // End: