4 // Fraunhofer Institute for Open Communication Systems (FOKUS)
6 // The contents of this file are subject to the Fraunhofer FOKUS Public License
7 // Version 1.0 (the "License"); you may not use this file except in compliance
8 // with the License. You may obtain a copy of the License at
9 // http://senf.berlios.de/license.html
11 // The Fraunhofer FOKUS Public License Version 1.0 is based on,
12 // but modifies the Mozilla Public License Version 1.1.
13 // See the full license text for the amendments.
15 // Software distributed under the License is distributed on an "AS IS" basis,
16 // WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
17 // for the specific language governing rights and limitations under the License.
19 // The Original Code is Fraunhofer FOKUS code.
21 // The Initial Developer of the Original Code is Fraunhofer-Gesellschaft e.V.
22 // (registered association), Hansastraße 27 c, 80686 Munich, Germany.
23 // All Rights Reserved.
26 // Stefan Bund <g0dil@berlios.de>
29 \brief ClockService inline non-template implementation */
33 #include <boost/date_time/posix_time/posix_time_types.hpp>
34 #include <senf/Utils/Exception.hh>
36 #define prefix_ inline
37 //-/////////////////////////////////////////////////////////////////////////////////////////////////
39 //-/////////////////////////////////////////////////////////////////////////////////////////////////
42 prefix_ senf::ClockService::clock_type senf::ClockService::now()
45 if (clock_gettime(CLOCK_MONOTONIC, &spec) < 0)
46 SENF_THROW_SYSTEM_EXCEPTION("clock_gettime()");
47 return spec.tv_sec * 1000000000LL + spec.tv_nsec;
50 //-/////////////////////////////////////////////////////////////////////////////////////////////////
53 namespace senf { namespace scheduler { ClockService::clock_type now(); } }
55 prefix_ senf::ClockService::clock_type senf::ClockService::clock_m(abstime_type time)
57 if (scheduler::now() - baseClock_ > 1000000000ll)
59 boost::posix_time::time_duration delta (time - baseAbstime_);
60 return baseClock_ + clock_type( delta.ticks() )
61 * clock_type( 1000000000UL / boost::posix_time::time_duration::ticks_per_second() );
64 prefix_ senf::ClockService::abstime_type senf::ClockService::abstime_m(clock_type clock)
67 return abstime_type();
68 if (scheduler::now() - baseClock_ > 1000000000ll)
70 #ifdef BOOST_DATE_TIME_POSIX_TIME_STD_CONFIG
71 return baseAbstime_ + boost::posix_time::nanoseconds(clock-baseClock_);
73 return baseAbstime_ + boost::posix_time::microseconds((clock-baseClock_+500)/1000);
77 prefix_ senf::ClockService::ClockService()
82 prefix_ void senf::ClockService::restart_m()
84 baseAbstime_ = boost::posix_time::microsec_clock::universal_time();
90 prefix_ senf::ClockService::abstime_type senf::ClockService::abstime(clock_type clock)
92 return instance().abstime_m(clock);
95 prefix_ senf::ClockService::reltime_type senf::ClockService::reltime(clock_type clock)
97 #ifdef BOOST_DATE_TIME_POSIX_TIME_STD_CONFIG
98 return boost::posix_time::nanoseconds(clock);
100 return boost::posix_time::microseconds((clock+500)/1000);
104 prefix_ senf::ClockService::clock_type senf::ClockService::clock(abstime_type time)
106 return instance().clock_m(time);
109 prefix_ senf::ClockService::clock_type senf::ClockService::from_time_t(time_t const & time)
111 return clock( boost::posix_time::from_time_t(time) );
114 prefix_ senf::ClockService::clock_type senf::ClockService::nanoseconds(int64_type v)
119 prefix_ senf::ClockService::clock_type senf::ClockService::microseconds(int64_type v)
121 return v * nanoseconds(1000);
124 prefix_ senf::ClockService::clock_type senf::ClockService::milliseconds(int64_type v)
126 return v * microseconds(1000);
129 prefix_ senf::ClockService::clock_type senf::ClockService::seconds(int64_type v)
131 return v * milliseconds(1000);
134 prefix_ senf::ClockService::clock_type senf::ClockService::minutes(int64_type v)
136 return v * seconds(60);
139 prefix_ senf::ClockService::clock_type senf::ClockService::hours(int64_type v)
141 return v * minutes(60);
144 prefix_ senf::ClockService::clock_type senf::ClockService::days(int64_type v)
146 return v * hours(24);
149 prefix_ senf::ClockService::clock_type senf::ClockService::in_nanoseconds(int64_type v)
154 prefix_ senf::ClockService::clock_type senf::ClockService::in_microseconds(int64_type v)
156 return v / nanoseconds(1000);
159 prefix_ senf::ClockService::clock_type senf::ClockService::in_milliseconds(int64_type v)
161 return v / microseconds(1000);
164 prefix_ senf::ClockService::clock_type senf::ClockService::in_seconds(int64_type v)
166 return v / milliseconds(1000);
169 prefix_ senf::ClockService::clock_type senf::ClockService::in_minutes(int64_type v)
171 return v / seconds(60);
174 prefix_ senf::ClockService::clock_type senf::ClockService::in_hours(int64_type v)
176 return v / minutes(60);
179 prefix_ senf::ClockService::clock_type senf::ClockService::in_days(int64_type v)
181 return v / hours(24);
184 prefix_ senf::ClockService::clock_type senf::ClockService::from_timeval(timeval const & time)
186 return from_time_t(time.tv_sec) + microseconds(time.tv_usec);
189 prefix_ void senf::ClockService::restart()
191 instance().restart_m();
194 //-/////////////////////////////////////////////////////////////////////////////////////////////////
201 // comment-column: 40
202 // c-file-style: "senf"
203 // indent-tabs-mode: nil
204 // ispell-local-dictionary: "american"
205 // compile-command: "scons -u test"