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 //-/////////////////////////////////////////////////////////////////////////////////////////////////
40 # define SENF_CLOCKTYPEVAL(clock) (clock).value()
42 # define SENF_CLOCKTYPEVAL(clock) (clock)
45 //-/////////////////////////////////////////////////////////////////////////////////////////////////
48 prefix_ senf::ClockService::clock_type senf::ClockService::now()
51 if (clock_gettime(CLOCK_MONOTONIC, &spec) < 0)
52 SENF_THROW_SYSTEM_EXCEPTION("clock_gettime()");
53 return clock_type(spec.tv_sec * 1000000000LL + spec.tv_nsec);
56 //-/////////////////////////////////////////////////////////////////////////////////////////////////
59 namespace senf { namespace scheduler { ClockService::clock_type now(); } }
61 prefix_ senf::ClockService::clock_type senf::ClockService::clock_m(abstime_type time)
63 if (scheduler::now() - baseClock_ > clock_type(1000000000ll))
65 boost::posix_time::time_duration delta (time - baseAbstime_);
66 return baseClock_ + clock_type( delta.ticks() )
67 * clock_type( 1000000000UL / boost::posix_time::time_duration::ticks_per_second() );
70 prefix_ senf::ClockService::abstime_type senf::ClockService::abstime_m(clock_type clock)
73 return abstime_type();
74 if (scheduler::now() - baseClock_ > clock_type(1000000000ll))
76 #ifdef BOOST_DATE_TIME_POSIX_TIME_STD_CONFIG
77 return baseAbstime_ + boost::posix_time::nanoseconds(
78 SENF_CLOCKTYPEVAL( clock-baseClock_));
80 return baseAbstime_ + boost::posix_time::microseconds(
81 SENF_CLOCKTYPEVAL( (clock-baseClock_+clock_type(500))/1000));
85 prefix_ senf::ClockService::ClockService()
90 prefix_ void senf::ClockService::restart_m()
92 baseAbstime_ = boost::posix_time::microsec_clock::universal_time();
98 prefix_ senf::ClockService::abstime_type senf::ClockService::abstime(clock_type clock)
100 return instance().abstime_m(clock);
103 prefix_ senf::ClockService::reltime_type senf::ClockService::reltime(clock_type clock)
105 #ifdef BOOST_DATE_TIME_POSIX_TIME_STD_CONFIG
106 return boost::posix_time::nanoseconds(
107 SENF_CLOCKTYPEVAL( clock));
109 return boost::posix_time::microseconds(
110 SENF_CLOCKTYPEVAL( (clock + clock_type(500))/1000));
114 prefix_ senf::ClockService::clock_type senf::ClockService::clock(abstime_type time)
116 return instance().clock_m(time);
119 prefix_ senf::ClockService::clock_type senf::ClockService::from_time_t(time_t const & time)
121 return clock( boost::posix_time::from_time_t(time) );
124 prefix_ senf::ClockService::clock_type senf::ClockService::nanoseconds(int64_type v)
126 return clock_type(v);
129 prefix_ senf::ClockService::clock_type senf::ClockService::microseconds(int64_type v)
131 return v * nanoseconds(1000);
134 prefix_ senf::ClockService::clock_type senf::ClockService::milliseconds(int64_type v)
136 return v * microseconds(1000);
139 prefix_ senf::ClockService::clock_type senf::ClockService::seconds(int64_type v)
141 return v * milliseconds(1000);
144 prefix_ senf::ClockService::clock_type senf::ClockService::minutes(int64_type v)
146 return v * seconds(60);
149 prefix_ senf::ClockService::clock_type senf::ClockService::hours(int64_type v)
151 return v * minutes(60);
154 prefix_ senf::ClockService::clock_type senf::ClockService::days(int64_type v)
156 return v * hours(24);
159 prefix_ senf::ClockService::int64_type senf::ClockService::in_nanoseconds(clock_type v)
161 return SENF_CLOCKTYPEVAL( v);
164 prefix_ senf::ClockService::int64_type senf::ClockService::in_microseconds(clock_type v)
166 return SENF_CLOCKTYPEVAL( v / nanoseconds(1000));
169 prefix_ senf::ClockService::int64_type senf::ClockService::in_milliseconds(clock_type v)
171 return SENF_CLOCKTYPEVAL( v / microseconds(1000));
174 prefix_ senf::ClockService::int64_type senf::ClockService::in_seconds(clock_type v)
176 return SENF_CLOCKTYPEVAL( v / milliseconds(1000));
179 prefix_ senf::ClockService::int64_type senf::ClockService::in_minutes(clock_type v)
181 return SENF_CLOCKTYPEVAL( v / seconds(60));
184 prefix_ senf::ClockService::int64_type senf::ClockService::in_hours(clock_type v)
186 return SENF_CLOCKTYPEVAL( v / minutes(60));
189 prefix_ senf::ClockService::int64_type senf::ClockService::in_days(clock_type v)
191 return SENF_CLOCKTYPEVAL( v / hours(24));
194 prefix_ senf::ClockService::clock_type senf::ClockService::from_timeval(timeval const & time)
196 return from_time_t(time.tv_sec) + microseconds(time.tv_usec);
199 prefix_ void senf::ClockService::restart()
201 instance().restart_m();
204 #undef SENF_CLOCKTYPEVAL
206 //-/////////////////////////////////////////////////////////////////////////////////////////////////
213 // comment-column: 40
214 // c-file-style: "senf"
215 // indent-tabs-mode: nil
216 // ispell-local-dictionary: "american"
217 // compile-command: "scons -u test"