func protobuf2Vbmap(vbmap *protobuf.VbConnectionMap) *c.VbConnectionMap {
return &c.VbConnectionMap{
Bucket: vbmap.GetBucket(),
Vbuckets: c.Vbno32to16(vbmap.GetVbuckets()),
Vbuuids: vbmap.GetVbuuids(),
}
}
// StartVbStreams implements Feeder{} interface.
func (bdcp *bucketDcp) StartVbStreams(
opaque uint16, reqTs *protobuf.TsVbuuid) error {
var err error
if bdcp.bucket != nil {
bdcp.bucket.Refresh()
}
vbnos := c.Vbno32to16(reqTs.GetVbnos())
vbuuids, seqnos := reqTs.GetVbuuids(), reqTs.GetSeqnos()
for i, vbno := range vbnos {
snapshots := reqTs.GetSnapshots()
flags, vbuuid := uint32(0), vbuuids[i]
start, end := seqnos[i], uint64(0xFFFFFFFFFFFFFFFF)
snapStart, snapEnd := snapshots[i].GetStart(), snapshots[i].GetEnd()
e := bdcp.dcpFeed.DcpRequestStream(
vbno, opaque, flags, vbuuid, start, end, snapStart, snapEnd)
if e != nil {
err = e
}
// FIXME/TODO: the below sleep avoid back-to-back dispatch of
// StreamRequest to DCP, which seem to cause some problems.
time.Sleep(time.Millisecond)
}
return err
}
// AllVbuckets16 return all vbuckets hosted by all kvnodes
// in sort order. vbuckets are returned as 16-bit values.
func (resp *VbmapResponse) AllVbuckets16() []uint16 {
vbs := make([]uint16, 0)
for _, vs := range resp.GetKvvbnos() {
vbs = append(vbs, c.Vbno32to16(vs.GetVbnos())...)
}
vbuckets := c.Vbuckets(vbs)
sort.Sort(vbuckets)
return []uint16(vbuckets)
}
// AllVbuckets32 return all vbuckets hosted by all kvnodes
// in sort order. vbuckets are returned as 32-bit values.
func (resp *VbmapResponse) AllVbuckets32() []uint32 {
vbs := make([]uint32, 0)
for _, vs := range resp.GetKvvbnos() {
vbs = append(vbs, vs.GetVbnos()...)
}
vbuckets := c.Vbuckets(c.Vbno32to16(vbs))
sort.Sort(vbuckets)
return vbuckets.To32()
}
// - return couchbase SDK error if any.
func (p *Projector) doFailoverLog(
request *protobuf.FailoverLogRequest, opaque uint16) ap.MessageMarshaller {
response := &protobuf.FailoverLogResponse{}
pooln := request.GetPool()
bucketn := request.GetBucket()
vbuckets := request.GetVbnos()
// log this request.
prefix := p.logPrefix
fmsg := "%v ##%x doFailoverLog() {%q, %q, %v}\n"
logging.Infof(fmsg, prefix, opaque, pooln, bucketn, vbuckets)
defer logging.Infof("%v ##%x doFailoverLog() returns ...\n", prefix, opaque)
bucket, err := c.ConnectBucket(p.clusterAddr, pooln, bucketn)
if err != nil {
logging.Errorf("%v ##%x ConnectBucket(): %v\n", prefix, opaque, err)
response.Err = protobuf.NewError(err)
return response
}
defer bucket.Close()
protoFlogs := make([]*protobuf.FailoverLog, 0, len(vbuckets))
vbnos := c.Vbno32to16(vbuckets)
dcpConfig := map[string]interface{}{
"genChanSize": p.config["projector.dcp.genChanSize"].Int(),
"dataChanSize": p.config["projector.dcp.dataChanSize"].Int(),
}
flogs, err := bucket.GetFailoverLogs(opaque, vbnos, dcpConfig)
if err == nil {
for vbno, flog := range flogs {
vbuuids := make([]uint64, 0, len(flog))
seqnos := make([]uint64, 0, len(flog))
for _, x := range flog {
vbuuids = append(vbuuids, x[0])
seqnos = append(seqnos, x[1])
}
protoFlog := &protobuf.FailoverLog{
Vbno: proto.Uint32(uint32(vbno)),
Vbuuids: vbuuids,
Seqnos: seqnos,
}
protoFlogs = append(protoFlogs, protoFlog)
}
} else {
logging.Errorf("%v ##%x GetFailoverLogs(): %v\n", prefix, opaque, err)
response.Err = protobuf.NewError(err)
return response
}
response.Logs = protoFlogs
return response
}
// EndVbStreams implements Feeder{} interface.
func (bdcp *bucketDcp) EndVbStreams(
opaque uint16, ts *protobuf.TsVbuuid) (err error) {
if bdcp.bucket != nil {
bdcp.bucket.Refresh()
}
vbnos := c.Vbno32to16(ts.GetVbnos())
for _, vbno := range vbnos {
if e := bdcp.dcpFeed.DcpCloseStream(vbno, opaque); e != nil {
err = e
}
}
return err
}
// GetVbmaps return a map of kvaddr -> list-of-vbuckets in node.
func (resp *VbmapResponse) GetVbmaps() (map[string][]uint16, error) {
vbm := make(map[string][]uint16)
kvaddrs := resp.GetKvaddrs()
kvvbnos := resp.GetKvvbnos()
if len(kvaddrs) != len(kvvbnos) {
return nil, ErrorInvalidVbmap
}
for i, kvaddr := range kvaddrs {
vbm[kvaddr] = c.Vbno32to16(kvvbnos[i].GetVbnos())
}
return vbm, nil
}
func (k *kvSender) makeRestartTsFromKV(bucket string,
vbnos []uint32) (*protobuf.TsVbuuid, error) {
flogs, err := k.getFailoverLogs(bucket, vbnos)
if err != nil {
logging.Fatalf("KVSender::makeRestartTS Unexpected Error During Failover "+
"Log Request for Bucket %v. Err %v", bucket, err)
return nil, err
}
ts := protobuf.NewTsVbuuid(DEFAULT_POOL, bucket, len(vbnos))
ts = ts.ComputeRestartTs(flogs.ToFailoverLog(c.Vbno32to16(vbnos)))
return ts, nil
}
// AddRollbackTimestamp will add a subset of vbucket's
// rollback-timestamp for a `bucket`.
func (resp *TopicResponse) AddRollbackTimestamp(
pool, bucket string, rollbTs *c.TsVbuuid) *TopicResponse {
// add rollback timestamp
ts := TsVbuuid{
Pool: proto.String(pool),
Bucket: proto.String(bucket),
}
resp.RollbackTimestamps = append(
resp.RollbackTimestamps, ts.FromTsVbuuid(rollbTs))
// prune active timestamp, that received rollback.
actTss := make([]*TsVbuuid, len(resp.GetActiveTimestamps()))
for i, actTs := range resp.GetActiveTimestamps() {
if actTs.GetBucket() == bucket {
vbnos := c.Vbno32to16(ts.GetVbnos())
actTss[i] = actTs.FilterByVbuckets(vbnos)
} else {
actTss[i] = actTs
}
}
resp.ActiveTimestamps = actTss
return resp
}
