void StatFile::flushOneExpBucket()
{
// flush the bucket being shifted out, but nothing else
Bucket &eb0(expBucket[0]);
Log(LL_Debug, "istat") << "StatFile::flushOneExpBucket()" << eb0.time();
if (eb0.time() > 0)
{
int64_t ix = mapTimeToBucketIndex(eb0.time());
int64_t oix = mapTimeToBucketIndex(eb0.time() - fileHeader_->season);
Bucket *wb = writableBucket(ix);
Bucket const &o = bucket(oix);
if (o.time() > 0)
{
*wb = o;
wb->expUpdate(eb0, fileHeader_->lambda);
}
else
{
*wb = eb0;
}
}
// must move one over
memmove(expBucket, &expBucket[1], sizeof(expBucket)-sizeof(expBucket[0]));
expBucket[sizeof(expBucket)/sizeof(expBucket[0])-1] = Bucket(true);
}
