Пример #1
0
func (t *Transport) SendSnapshot(m snap.Message) {
	p := t.peers[types.ID(m.To)]
	if p == nil {
		m.CloseWithError(errMemberNotFound)
		return
	}
	p.sendSnap(m)
}
Пример #2
0
func (s *snapshotSender) send(merged snap.Message) {
	m := merged.Message

	start := time.Now()

	body := createSnapBody(merged)
	defer body.Close()

	u := s.picker.pick()
	req := createPostRequest(u, RaftSnapshotPrefix, body, "application/octet-stream", s.tr.URLs, s.from, s.cid)

	plog.Infof("start to send database snapshot [index: %d, to %s]...", m.Snapshot.Metadata.Index, types.ID(m.To))

	err := s.post(req)
	defer merged.CloseWithError(err)
	if err != nil {
		plog.Warningf("database snapshot [index: %d, to: %s] failed to be sent out (%v)", m.Snapshot.Metadata.Index, types.ID(m.To), err)

		// errMemberRemoved is a critical error since a removed member should
		// always be stopped. So we use reportCriticalError to report it to errorc.
		if err == errMemberRemoved {
			reportCriticalError(err, s.errorc)
		}

		s.picker.unreachable(u)
		reportSentFailure(sendSnap, m)
		s.status.deactivate(failureType{source: sendSnap, action: "post"}, err.Error())
		s.r.ReportUnreachable(m.To)
		// report SnapshotFailure to raft state machine. After raft state
		// machine knows about it, it would pause a while and retry sending
		// new snapshot message.
		s.r.ReportSnapshot(m.To, raft.SnapshotFailure)
		return
	}
	reportSentDuration(sendSnap, m, time.Since(start))
	s.status.activate()
	s.r.ReportSnapshot(m.To, raft.SnapshotFinish)
	plog.Infof("database snapshot [index: %d, to: %s] sent out successfully", m.Snapshot.Metadata.Index, types.ID(m.To))
}
Пример #3
0
func (s *snapTransporter) SendSnapshot(m snap.Message) {
	ss := snap.New(s.snapDir)
	ss.SaveDBFrom(m.ReadCloser, m.Snapshot.Metadata.Index+1)
	m.CloseWithError(nil)
	s.snapDoneC <- m
}