4 // Fraunhofer Institute for Open Communication Systems (FOKUS)
5 // Competence Center NETwork research (NET), St. Augustin, GERMANY
6 // Stefan Bund <g0dil@berlios.de>
8 // This program is free software; you can redistribute it and/or modify
9 // it under the terms of the GNU General Public License as published by
10 // the Free Software Foundation; either version 2 of the License, or
11 // (at your option) any later version.
13 // This program is distributed in the hope that it will be useful,
14 // but WITHOUT ANY WARRANTY; without even the implied warranty of
15 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 // GNU General Public License for more details.
18 // You should have received a copy of the GNU General Public License
19 // along with this program; if not, write to the
20 // Free Software Foundation, Inc.,
21 // 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
24 \brief ClockService inline non-template implementation */
28 #include <boost/date_time/posix_time/posix_time_types.hpp>
29 #include "../Utils/Exception.hh"
31 #define prefix_ inline
32 ///////////////////////////////cci.p///////////////////////////////////////
34 ///////////////////////////////////////////////////////////////////////////
37 prefix_ senf::ClockService::clock_type senf::ClockService::now()
40 if (clock_gettime(CLOCK_MONOTONIC, &spec) < 0)
41 SENF_THROW_SYSTEM_EXCEPTION("clock_gettime()");
42 return spec.tv_sec * 1000000000LL + spec.tv_nsec;
45 ////////////////////////////////////////
48 prefix_ senf::ClockService::clock_type senf::ClockService::clock_m(abstime_type time)
50 if (now() - baseClock_ > 1000000000ll)
52 boost::posix_time::time_duration delta (time - baseAbstime_);
53 return baseClock_ + clock_type( delta.ticks() )
54 * clock_type( 1000000000UL / boost::posix_time::time_duration::ticks_per_second() );
57 prefix_ senf::ClockService::abstime_type senf::ClockService::abstime_m(clock_type clock)
59 if (now() - baseClock_ > 1000000000ll)
61 #ifdef BOOST_DATE_TIME_POSIX_TIME_STD_CONFIG
62 return baseAbstime_ + boost::posix_time::nanoseconds(clock-baseClock_);
64 return baseAbstime_ + boost::posix_time::microseconds((clock-baseClock_+500)/1000);
68 prefix_ senf::ClockService::ClockService()
73 prefix_ void senf::ClockService::restart_m()
75 baseAbstime_ = boost::posix_time::microsec_clock::universal_time();
81 prefix_ senf::ClockService::abstime_type senf::ClockService::abstime(clock_type clock)
83 return instance().abstime_m(clock);
86 prefix_ senf::ClockService::clock_type senf::ClockService::clock(abstime_type time)
88 return instance().clock_m(time);
91 prefix_ senf::ClockService::clock_type senf::ClockService::from_time_t(time_t const & time)
93 return clock( boost::posix_time::from_time_t(time) );
96 prefix_ senf::ClockService::clock_type senf::ClockService::nanoseconds(int64_type v)
101 prefix_ senf::ClockService::clock_type senf::ClockService::microseconds(int64_type v)
103 return v * nanoseconds(1000);
106 prefix_ senf::ClockService::clock_type senf::ClockService::milliseconds(int64_type v)
108 return v * microseconds(1000);
111 prefix_ senf::ClockService::clock_type senf::ClockService::seconds(int64_type v)
113 return v * milliseconds(1000);
116 prefix_ senf::ClockService::clock_type senf::ClockService::minutes(int64_type v)
118 return v * seconds(60);
121 prefix_ senf::ClockService::clock_type senf::ClockService::hours(int64_type v)
123 return v * minutes(60);
126 prefix_ senf::ClockService::clock_type senf::ClockService::days(int64_type v)
128 return v * hours(24);
131 prefix_ senf::ClockService::clock_type senf::ClockService::in_nanoseconds(int64_type v)
136 prefix_ senf::ClockService::clock_type senf::ClockService::in_microseconds(int64_type v)
138 return v / nanoseconds(1000);
141 prefix_ senf::ClockService::clock_type senf::ClockService::in_milliseconds(int64_type v)
143 return v / microseconds(1000);
146 prefix_ senf::ClockService::clock_type senf::ClockService::in_seconds(int64_type v)
148 return v / milliseconds(1000);
151 prefix_ senf::ClockService::clock_type senf::ClockService::in_minutes(int64_type v)
153 return v / seconds(60);
156 prefix_ senf::ClockService::clock_type senf::ClockService::in_hours(int64_type v)
158 return v / minutes(60);
161 prefix_ senf::ClockService::clock_type senf::ClockService::in_days(int64_type v)
163 return v / hours(24);
166 prefix_ senf::ClockService::clock_type senf::ClockService::from_timeval(timeval const & time)
168 return from_time_t(time.tv_sec) + ClockService::microseconds(time.tv_usec);
171 prefix_ void senf::ClockService::restart()
173 instance().restart_m();
176 ///////////////////////////////cci.e///////////////////////////////////////
183 // comment-column: 40
184 // c-file-style: "senf"
185 // indent-tabs-mode: nil
186 // ispell-local-dictionary: "american"
187 // compile-command: "scons -u test"