func (r *updateRollup) FlushBuffer() {
r.buffer.Lock()
if len(r.buffer.updates) == 0 {
r.logger.Debug("no updates flushed")
r.buffer.Unlock()
return
}
now := time.Now()
r.timings.Lock()
sinceFirstUpdate := time.Duration(0)
if !r.timings.lastUpdate.IsZero() {
sinceFirstUpdate = r.timings.lastUpdate.Sub(r.timings.firstUpdate)
}
sinceLastFlush := time.Duration(0)
if !r.timings.lastFlush.IsZero() {
sinceLastFlush = now.Sub(r.timings.lastFlush)
}
r.logger.WithFields(log.Fields{
"checksum": r.node.memberlist.Checksum(),
"sinceFirstUpdate": sinceFirstUpdate,
"sinceLastFlush": sinceLastFlush,
"numUpdates": r.numUpdates(),
"updates": r.buffer,
}).Debug("rollup flushed update buffer")
r.buffer.updates = make(map[string][]Change)
r.timings.lastFlush = now
r.timings.firstUpdate = util.TimeZero()
r.timings.lastUpdate = util.TimeZero()
r.buffer.Unlock()
r.timings.Unlock()
}
func (s *RollupTestSuite) TestTrackUpdatesFlushes() {
s.r.buffer.Lock()
s.r.buffer.updates["one"] = []Change{}
s.r.buffer.updates["two"] = []Change{}
s.r.buffer.Unlock()
s.Len(s.r.Buffer(), 2, "expected two updates to be in buffer")
s.r.timings.lastUpdate = util.TimeZero() // simulate time passing
s.r.TrackUpdates([]Change{Change{Address: "new"}})
s.Len(s.r.Buffer(), 1, "expected one change")
}