// Serve as a single backend.
// Listen on addr, using s as underlying storage.
func ServeBackSingle(addr string, s Storage, ready chan<- bool) error {
back := &BackConfig{
Addr: addr,
Store: s,
Ready: ready,
}
return triblab.ServeBack(back)
}
func main() {
flag.Parse()
store.Logging = *verbose
rc, e := trib.LoadRC(*frc)
noError(e)
run := func(i int) {
if i > len(rc.Backs) {
noError(fmt.Errorf("back-end index out of range: %d", i))
}
backConfig := rc.BackConfig(i, store.NewStorage())
if *readyAddr != "" {
backConfig.Ready = ready.Chan(*readyAddr, backConfig.Addr)
}
log.Printf("bin storage back-end serving on %s", backConfig.Addr)
noError(triblab.ServeBack(backConfig))
}
args := flag.Args()
n := 0
if len(args) == 0 {
// scan for addresses on this machine
for i, b := range rc.Backs {
if local.Check(b) {
go run(i)
n++
}
}
if n == 0 {
log.Fatal("no back-end found for this host")
}
} else {
// scan for indices for the addresses
for _, a := range args {
i, e := strconv.Atoi(a)
noError(e)
go run(i)
n++
}
}
if n > 0 {
select {}
}
}