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 <senf/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 namespace senf { namespace scheduler { ClockService::clock_type now(); } }
50 prefix_ senf::ClockService::clock_type senf::ClockService::clock_m(abstime_type time)
52 if (senf::scheduler::now() - baseClock_ > 1000000000ll)
54 boost::posix_time::time_duration delta (time - baseAbstime_);
55 return baseClock_ + clock_type( delta.ticks() )
56 * clock_type( 1000000000UL / boost::posix_time::time_duration::ticks_per_second() );
59 prefix_ senf::ClockService::abstime_type senf::ClockService::abstime_m(clock_type clock)
62 return abstime_type();
63 if (senf::scheduler::now() - baseClock_ > 1000000000ll)
65 #ifdef BOOST_DATE_TIME_POSIX_TIME_STD_CONFIG
66 return baseAbstime_ + boost::posix_time::nanoseconds(clock-baseClock_);
68 return baseAbstime_ + boost::posix_time::microseconds((clock-baseClock_+500)/1000);
72 prefix_ senf::ClockService::ClockService()
77 prefix_ void senf::ClockService::restart_m()
79 baseAbstime_ = boost::posix_time::microsec_clock::universal_time();
85 prefix_ senf::ClockService::abstime_type senf::ClockService::abstime(clock_type clock)
87 return instance().abstime_m(clock);
90 prefix_ senf::ClockService::reltime_type senf::ClockService::reltime(clock_type clock)
92 #ifdef BOOST_DATE_TIME_POSIX_TIME_STD_CONFIG
93 return boost::posix_time::nanoseconds(clock);
95 return boost::posix_time::microseconds((clock+500)/1000);
99 prefix_ senf::ClockService::clock_type senf::ClockService::clock(abstime_type time)
101 return instance().clock_m(time);
104 prefix_ senf::ClockService::clock_type senf::ClockService::from_time_t(time_t const & time)
106 return clock( boost::posix_time::from_time_t(time) );
109 prefix_ senf::ClockService::clock_type senf::ClockService::nanoseconds(int64_type v)
114 prefix_ senf::ClockService::clock_type senf::ClockService::microseconds(int64_type v)
116 return v * nanoseconds(1000);
119 prefix_ senf::ClockService::clock_type senf::ClockService::milliseconds(int64_type v)
121 return v * microseconds(1000);
124 prefix_ senf::ClockService::clock_type senf::ClockService::seconds(int64_type v)
126 return v * milliseconds(1000);
129 prefix_ senf::ClockService::clock_type senf::ClockService::minutes(int64_type v)
131 return v * seconds(60);
134 prefix_ senf::ClockService::clock_type senf::ClockService::hours(int64_type v)
136 return v * minutes(60);
139 prefix_ senf::ClockService::clock_type senf::ClockService::days(int64_type v)
141 return v * hours(24);
144 prefix_ senf::ClockService::clock_type senf::ClockService::in_nanoseconds(int64_type v)
149 prefix_ senf::ClockService::clock_type senf::ClockService::in_microseconds(int64_type v)
151 return v / nanoseconds(1000);
154 prefix_ senf::ClockService::clock_type senf::ClockService::in_milliseconds(int64_type v)
156 return v / microseconds(1000);
159 prefix_ senf::ClockService::clock_type senf::ClockService::in_seconds(int64_type v)
161 return v / milliseconds(1000);
164 prefix_ senf::ClockService::clock_type senf::ClockService::in_minutes(int64_type v)
166 return v / seconds(60);
169 prefix_ senf::ClockService::clock_type senf::ClockService::in_hours(int64_type v)
171 return v / minutes(60);
174 prefix_ senf::ClockService::clock_type senf::ClockService::in_days(int64_type v)
176 return v / hours(24);
179 prefix_ senf::ClockService::clock_type senf::ClockService::from_timeval(timeval const & time)
181 return from_time_t(time.tv_sec) + ClockService::microseconds(time.tv_usec);
184 prefix_ void senf::ClockService::restart()
186 instance().restart_m();
189 ///////////////////////////////cci.e///////////////////////////////////////
196 // comment-column: 40
197 // c-file-style: "senf"
198 // indent-tabs-mode: nil
199 // ispell-local-dictionary: "american"
200 // compile-command: "scons -u test"