func set(c *conn, _ uint, data interface{}) interface{} {
r := data.(*proto.ReqSet)
_, cas, err := paxos.Set(c.s.Mg, r.Path, r.Body, r.Cas)
if err != nil {
return err
}
return cas
}
func checkin(c *conn, _ uint, data interface{}) interface{} {
r := data.(*proto.ReqCheckin)
t := time.Nanoseconds() + lease
_, cas, err := paxos.Set(c.s.Mg, "/session/"+r.Sid, strconv.Itoa64(t), r.Cas)
if err != nil {
return err
}
return proto.ResCheckin{t, cas}
}
func sett(c *conn, _ uint, data interface{}) interface{} {
r := data.(*proto.ReqSett)
t := time.Nanoseconds() + r.Interval
_, cas, err := paxos.Set(c.s.Mg, r.Path, strconv.Itoa64(t), r.Cas)
if err != nil {
return err
}
return proto.ResSett{t, cas}
}
func clearSlot(p paxos.Proposer, g store.Getter, name string) {
ch, err := store.Walk(g, "/doozer/slot/*")
if err != nil {
panic(err)
}
for ev := range ch {
if ev.Body == name {
paxos.Set(p, ev.Path, "", ev.Cas)
}
}
}
func join(c *conn, _ uint, data interface{}) interface{} {
r := data.(*proto.ReqJoin)
key := "/doozer/members/" + r.Who
seqn, _, err := paxos.Set(c.s.Mg, key, r.Addr, store.Missing)
if err != nil {
return err
}
done := make(chan int)
go c.s.AdvanceUntil(done)
c.s.St.Sync(seqn + uint64(c.s.Mg.Alpha()))
close(done)
seqn, snap := c.s.St.Snapshot()
return proto.ResJoin{seqn, snap}
}