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Suppress small offsets. They are likely just due to rounding.

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This commit is contained in:
JoelKatz
2012-08-05 03:47:15 -07:00
parent ed8635c98d
commit ad0650b7fa
1 changed files with 4 additions and 2 deletions
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6
src/SNTPClient.cpp
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@@ -134,14 +134,16 @@ void SNTPClient::processReply()
time_t now = time(NULL);
timev -= now;
timev -= NTP_UNIX_OFFSET;
Log(lsTRACE) << "SNTP: Offset is " << timev;
if ((timev == -1) || (timev == 1)) // small corrections likely do more harm than good
timev = 0;
if ((mLastOffsetUpdate == (time_t) -1) || (mLastOffsetUpdate < (now - 180)))
mOffset = timev;
else
mOffset = ((mOffset * 7) + timev) / 8;
mLastOffsetUpdate = now;
Log(lsTRACE) << "SNTP: Offset is " << timev << ", new system offset is " << timev;
Log(lsTRACE) << "SNTP: Offset is " << timev << ", new system offset is " << mOffset;
}
void SNTPClient::timerEntry(const boost::system::error_code& error)