func getAddrs(g store.Getter, cals []string) (a []*net.UDPAddr) {
a = make([]*net.UDPAddr, len(cals))
var i int
var err error
for _, id := range cals {
s := store.GetString(g, "/ctl/node/"+id+"/addr")
a[i], err = net.ResolveUDPAddr("udp", s)
if err != nil {
log.Println(err)
} else {
i++
}
}
return a[:i]
}
func getCals(g store.Getter) []string {
ents := store.Getdir(g, "/ctl/cal")
cals := make([]string, len(ents))
i := 0
for _, cal := range ents {
id := store.GetString(g, "/ctl/cal/"+cal)
if id != "" {
cals[i] = id
i++
}
}
cals = cals[0:i]
sort.Strings(cals)
return cals
}