// WaitBlpPosition will wait for the filtered replication to reach at least
// the provided position.
func WaitBlpPosition(mysqld MysqlDaemon, bp *blproto.BlpPosition, waitTimeout time.Duration) error {
timeOut := time.Now().Add(waitTimeout)
for {
if time.Now().After(timeOut) {
break
}
cmd := binlogplayer.QueryBlpCheckpoint(bp.Uid)
qr, err := mysqld.FetchSuperQuery(cmd)
if err != nil {
return err
}
if len(qr.Rows) != 1 {
return fmt.Errorf("QueryBlpCheckpoint(%v) returned unexpected row count: %v", bp.Uid, len(qr.Rows))
}
var pos proto.ReplicationPosition
if !qr.Rows[0][0].IsNull() {
pos, err = proto.DecodeReplicationPosition(qr.Rows[0][0].String())
if err != nil {
return err
}
}
if pos.AtLeast(bp.Position) {
return nil
}
log.Infof("Sleeping 1 second waiting for binlog replication(%v) to catch up: %v != %v", bp.Uid, pos, bp.Position)
time.Sleep(1 * time.Second)
}
return fmt.Errorf("WaitBlpPosition(%v) timed out", bp.Uid)
}
// WaitBlpPos will wait for the filtered replication to reach at least
// the provided position.
func (mysqld *Mysqld) WaitBlpPos(bp *blproto.BlpPosition, waitTimeout time.Duration) error {
timeOut := time.Now().Add(waitTimeout)
for {
if time.Now().After(timeOut) {
break
}
cmd := binlogplayer.QueryBlpCheckpoint(bp.Uid)
qr, err := mysqld.fetchSuperQuery(cmd)
if err != nil {
return err
}
if len(qr.Rows) != 1 {
return fmt.Errorf("WaitBlpPos(%v) returned unexpected row count: %v", bp.Uid, len(qr.Rows))
}
var gtid proto.GTID
if !qr.Rows[0][0].IsNull() {
gtid, err = proto.DecodeGTID(qr.Rows[0][0].String())
if err != nil {
return err
}
}
if gtid == bp.GTIDField.Value {
return nil
}
log.Infof("Sleeping 1 second waiting for binlog replication(%v) to catch up: %v != %v", bp.Uid, gtid, bp.GTIDField)
time.Sleep(1 * time.Second)
}
return fmt.Errorf("WaitBlpPos(%v) timed out", bp.Uid)
}
// WaitBlpPosition waits until a specific filtered replication position is
// reached.
func (agent *ActionAgent) WaitBlpPosition(ctx context.Context, blpPosition *tabletmanagerdatapb.BlpPosition, waitTime time.Duration) error {
if err := agent.lock(ctx); err != nil {
return err
}
defer agent.unlock()
waitCtx, cancel := context.WithTimeout(ctx, waitTime)
defer cancel()
return mysqlctl.WaitBlpPosition(waitCtx, agent.MysqlDaemon, binlogplayer.QueryBlpCheckpoint(blpPosition.Uid), blpPosition.Position)
}
// WaitBlpPosition waits until a specific filtered replication position is
// reached.
// Should be called under RPCWrapLock.
func (agent *ActionAgent) WaitBlpPosition(ctx context.Context, blpPosition *tabletmanagerdatapb.BlpPosition, waitTime time.Duration) error {
return mysqlctl.WaitBlpPosition(agent.MysqlDaemon, binlogplayer.QueryBlpCheckpoint(blpPosition.Uid), blpPosition.Position, waitTime)
}