[hafqa] [hafqa] [Bug 2750] New: Set clock from GPS or NTP

[From: bugzilla-daemon at lists.maemo.org]

https://bugs.maemo.org/show_bug.cgi?id=2750

           Summary: Set clock from GPS or NTP
           Product: System software
           Version: 4.0
          Platform: All
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: enhancement
          Priority: Low
         Component: general
        AssignedTo: carlos at maemo.org
        ReportedBy: david.hagood at gmail.com
         QAContact: hafqa at maemo.org


Use case: the user wants the device to have the correct time.

It would be nice if, when a GPS connection is active, the device would check
it's clock against the GPS reported time and set the device clock as needed.

This needn't be a full implementation of NTPD, for example (although that would
be nice) - just a simple cross-check when the fix is aquired.

It would also be nice if, when a network connection is established, the device
could do a check against a network NTP server and set the clock. Again, this
needn't bee a full NTPD implementation, but rather just a quick ntpdate.

Ideally, the device would, upon getting a network connection:
1) IF a NTP server were given via DHCP (option 42, per  RFC 1533, RFC 2132),
use that.
2) Failing that, use mDNS/DNS-SD (Zeroconf) and look for a NTP server.
3) Failing that, see if the default gateway is running an NTP server.
4) Failing that, try pool.ntp.org.


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