Sorry for posting twice. Wrong sender address was not accepted by the list first.
regards Martin > -----Ursprüngliche Nachricht----- > Von: "Martin Runge" <[EMAIL PROTECTED]> > Gesendet: 07.01.08 10:36:16 > An: [email protected] > Betreff: [Ccrtp-devel] Wrong value in NTP_EPOCH_OFFSET > > Hi everybody on the list, > > I think the NTP_EPOCH_OFFSET in private.h has 3600 seconds too much. 3600 s > == > 1 hour, so it looks like a timezone problem, but it isn't. > > I verified it in two ways: > > 1) > from the leap seconds file from http://www.cis.udel.edu/~mills/leap.html > 2272060800 10 # 1 Jan 1972 > says Jan, 1st 1972 had 2272060800 seconds passed since 1.1.1900 00:00:00h > > 1972 was a leap year, so 1970 and 1971 both had 365 days and therefore > > 2* 365 * 24 *3600 seconds = 6307200 seconds > > 2208992400 + 6307200 = 2272064400 > that is 3600 s (==1 hour) more than in the leap seconds file. > > 2) > boost_date_time: > long h = now.tv_sec / 3600; > long s = now.tv_sec % 3600; > long m = s / 60; > s = s % 60; > unsigned us = now.tv_usec; > > boost::posix_time::time_duration td(hours(h) > + minutes(m) > + seconds(s) > + microsec(us)); > > boost::posix_time::ptime boost_time; > boost_time = ptime(boost::gregorian::date(1970, Jan, 1), td); > > cerr << "Boost Time: " << boost_time << endl; > > => shows exactly the result I would expect from the NTP offset in the leap > seconds file. > > best regards > Martin > > > _______________________________________________ > Ccrtp-devel mailing list > [email protected] > http://lists.gnu.org/mailman/listinfo/ccrtp-devel > _______________________________________________________________________ Jetzt neu! Schützen Sie Ihren PC mit McAfee und WEB.DE. 30 Tage kostenlos testen. http://www.pc-sicherheit.web.de/startseite/?mc=022220 _______________________________________________ Ccrtp-devel mailing list [email protected] http://lists.gnu.org/mailman/listinfo/ccrtp-devel
