public class NtpClient extends Object
Modifier and Type | Field and Description |
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(package private) static double |
SECONDS_1900_TO_EPOCH
difference between the unix epoch and jan 1 1900 (NTP uses that)
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Constructor and Description |
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NtpClient() |
Modifier and Type | Method and Description |
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(package private) static long[] |
currentTimeAndStratum(String[] serverNames,
int perServerTimeout,
boolean preferIPv6,
Log log)
Query the ntp servers, returning the current time from first one we find
Hack to return time and stratum
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static void |
main(String[] args)
Usage: NtpClient [-6] [servers...]
default pool.ntp.org
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static final double SECONDS_1900_TO_EPOCH
static long[] currentTimeAndStratum(String[] serverNames, int perServerTimeout, boolean preferIPv6, Log log)
log
- may be nullIllegalArgumentException
- if none of the servers are reachablepublic static void main(String[] args) throws IOException
IOException