4 // Fraunhofer Institut fuer offene Kommunikationssysteme (FOKUS)
5 // Kompetenzzentrum fuer Satelitenkommunikation (SatCom)
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 */
27 #include "boost/date_time/posix_time/posix_time_types.hpp"
29 #define prefix_ inline
30 ///////////////////////////////cci.p///////////////////////////////////////
32 ///////////////////////////////////////////////////////////////////////////
35 prefix_ senf::ClockService::clock_type senf::ClockService::now()
37 // We must make sure to call instance() before fetching the current time since the first call to
38 // instance() will construct the singleton and initialize heartbeat_. If this happens *after*
39 // fetching the current time checkSkew() will detect clock skew since heartbeat_ will be <
41 return instance().now_i();
44 prefix_ senf::ClockService::abstime_type senf::ClockService::abstime(clock_type clock)
46 #ifdef BOOST_DATE_TIME_POSIX_TIME_STD_CONFIG
47 return instance().base_ + boost::posix_time::nanoseconds(clock);
49 return instance().base_ + boost::posix_time::microseconds((clock+500)/1000);
53 prefix_ senf::ClockService::clock_type senf::ClockService::clock(abstime_type time)
55 boost::posix_time::time_duration delta (time - instance().base_);
56 return clock_type( delta.ticks() )
57 * clock_type( 1000000000UL / boost::posix_time::time_duration::ticks_per_second() );
60 prefix_ senf::ClockService::clock_type senf::ClockService::nanoseconds(clock_type v)
65 prefix_ senf::ClockService::clock_type senf::ClockService::microseconds(clock_type v)
67 return nanoseconds(1000*v);
70 prefix_ senf::ClockService::clock_type senf::ClockService::milliseconds(clock_type v)
72 return microseconds(1000*v);
75 prefix_ senf::ClockService::clock_type senf::ClockService::seconds(clock_type v)
77 return milliseconds(1000*v);
80 prefix_ senf::ClockService::clock_type senf::ClockService::minutes(clock_type v)
85 prefix_ senf::ClockService::clock_type senf::ClockService::hours(clock_type v)
90 prefix_ senf::ClockService::clock_type senf::ClockService::days(clock_type v)
95 prefix_ void senf::ClockService::restart()
97 instance().restart_i();
100 ////////////////////////////////////////
103 prefix_ senf::ClockService & senf::ClockService::instance()
105 static ClockService instance;
109 prefix_ senf::ClockService::clock_type senf::ClockService::now_i()
111 boost::posix_time::ptime time (boost::posix_time::microsec_clock::universal_time());
117 prefix_ bool senf::ClockService::checkSkew(boost::posix_time::ptime time)
119 return time < heartbeat_ || (time - heartbeat_) > boost::posix_time::seconds(2*CheckInterval);
122 prefix_ void senf::ClockService::clockSkew(boost::posix_time::ptime time,
123 boost::posix_time::ptime expected)
125 base_ += (time - expected);
128 ///////////////////////////////cci.e///////////////////////////////////////
135 // comment-column: 40
136 // c-file-style: "senf"
137 // indent-tabs-mode: nil
138 // ispell-local-dictionary: "american"
139 // compile-command: "scons -u test"