// poll periodically fetches a peer list from the master and connects to any
// new peers.
func poll(self string) {
for {
addrs, err := util.ListPeers()
if err != nil {
log.Println(err)
continue
}
for _, addr := range addrs {
// Don't connect to self.
if addr == self {
continue
}
// Don't connect if we're already connected.
Peers.RLock()
_, ok := Peers.m[addr]
Peers.RUnlock()
if ok {
continue
}
go connect(addr)
}
time.Sleep(refreshInterval)
}
}
func main() {
go listen()
peers, err := util.ListPeers()
if err != nil {
log.Fatal(err)
}
for _, peer := range peers {
go connect(peer)
}
r := bufio.NewReader(os.Stdin)
for {
s, err := r.ReadString('\n')
if err != nil {
log.Fatal(err)
}
m := Message{Body: s}
for _, peerc := range Peers {
peerc <- m
}
}
}