// NewTube…
func NewTube(kin *kinfolk.Kin, topic string) *Tube {
t := &Tube{view: NewView()}
t.xid = kinfolk.FolkXID{
X: circuit.PermRef(XTube{t}),
ID: lang.ComputeReceiverID(t),
}
t.folk = kin.Attach(topic, t.xid)
go func() {
for {
// Consume identities of new downstream nodes
t.superscribe(t.folk.Replenish())
}
}()
return t
}
// NewLocus creates a new locus device.
func NewLocus(kin *kinfolk.Kin, rip <-chan kinfolk.KinXID) XLocus {
locus := &Locus{
tube: tube.NewTube(kin, "locus"),
}
term, xterm := anchor.NewTerm(kin.XID().ID.String(), locus)
term.Attach(anchor.Server, srv.New(kin.XID().X.Addr().String()))
locus.Peer = &Peer{
// It is crucial to use permanent cross-references, and not
// "plain" ones within values stored inside the tube table. If
// cross-references are used, they are managed by the cross-
// garbage collection system and therefore connections to ALL
// underlying workers are maintained superfluously.
Kin: kin.XID(),
Term: xterm,
}
go locus.loopRIP(rip)
go locus.loopAnnounceAndExpire()
return XLocus{locus}
}