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Free-Software-for-Android / NTPSync

NTPSync is a simple NTP time synchronization app for Android.
https://www.sufficientlysecure.org/android/
GNU General Public License v3.0
90 stars 40 forks source link

Keep track of the clock jitter and drift #6

Open dschuermann opened 11 years ago

dschuermann commented 11 years ago

Original author: edoca...@gmail.com (May 21, 2012 09:19:14)

It would be useful if ntpsync could automatically sync date after a given interval of time (i.e. sync every 6 hours, every 12 hours, every 24 hours, every week, et cetera).

The "Set on boot" is fine, but I don't reboot my phone very often and my clock lags so I have to sync date manually.

Original issue: http://code.google.com/p/ntp-sync/issues/detail?id=5

dschuermann commented 11 years ago

From chr...@fsfe.org on June 03, 2012 10:46:23 as for the interval, ntp-sync could keep track of the clock jitter and drift, and recommend an interval for fixing drift (without network sync) and an interval for fixingjitter (network sync) based on a given accuracy request.

dschuermann commented 11 years ago

From domschuermann@gmail.com on June 03, 2012 12:31:09 Puhh, that would really be a complicated implementation. I am sorry but I will not implement that due to my current time constraints. The current implementation now allows daily sync. I have changed the summary to reflect your new thoughts.

If anybody is interested in implementing this, please contribute!

dschuermann commented 11 years ago

From chr...@fsfe.org on June 03, 2012 23:22:21 fair enough; regular intervals will work reasonably and just lack the last ounce of efficiency.

if i some day decide to get started with android programming, this might be a good point to start.

dschuermann commented 11 years ago

From burcheri...@gmail.com on June 14, 2013 07:40:49 Hi. The implementation to set the time once per day is very important, thanks for that. Without using ntp-sync would not be an option for me as replacement for networks without NITZ data. As the first report already says I don't reboot often. The automatic drifting measuring I don't need, but a custom interval would be fine like interval in hours.