// New creates a new Peer.
func New(uuid config.UUID, address string, port int, incoming *connection.Incoming, cfg *config.Config) (p *Peer, err error) {
p = &Peer{
m: &sync.Mutex{},
uuid: uuid,
cfg: cfg,
incoming: incoming,
msgIn: incoming.MessagesFromSender(uuid),
connected: NewPeerCompleter(),
removed: NewPeerCompleter(),
logger: log.New(cfg.Logger(), fmt.Sprintf("%s PEER %s ", cfg.UUID(), uuid), 0),
}
p.msgOut, err = connection.NewOutgoing(cfg.UUID(), address, port)
if err != nil {
return
}
p.msgIn.Where(messages.Is(messages.HELLOOK)).Listen(p.onHelloOk)
p.msgIn.Where(messages.Is(messages.END)).Listen(p.onEnd)
if cfg.Exporting() {
p.msgIn.Where(messages.Is(messages.DOHAVE)).Listen(p.onDoHave)
p.msgIn.Where(messages.Is(messages.CONNECT)).Listen(p.onConnected)
}
p.msgIn.CloseOnFuture(p.removed.Future().Future)
p.removed.Future().Then(p.closeOutgoing)
p.initialized = eventual2go.NewTimeoutCompleter(5 * time.Second)
p.initialized.Future().Err(p.onError)
return
}
// NewMeta creates new meta information for publishing with Memberlist.
func NewMeta(adport int, cfg *config.Config, limit int) (m *Meta) {
m = &Meta{
Adport: adport,
Exporting: cfg.Exporting(),
}
for k, v := range cfg.Tags() {
m.Tag = fmt.Sprintf("%s:%s", k, v)
if len(m.Tag)+4 <= limit {
break
} else {
m.Tag = ""
}
}
return
}