// 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
}
// New Creates a new Discoverer.
func New(join *tracker.NodeStream, incoming *connection.Incoming, cfg *config.Config) (d *Discoverer) {
d = &Discoverer{
cfg: cfg,
incoming: incoming,
connectedPeers: peer.NewPeerStreamController(),
seenNodes: map[config.UUID]*peer.Peer{},
m: &sync.Mutex{},
logger: log.New(cfg.Logger(), fmt.Sprintf("%s DISCOVERER ", cfg.UUID()), 0),
}
//TODO replace with listenwhere
join.Where(d.isNodeInteresting).Listen(d.onInterestingNode)
incoming.Messages().Where(messages.Is(messages.HELLO)).Listen(d.onHello)
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
}
func New(iface string, adport int, cfg *config.Config) (t *Tracker, err error) {
t = &Tracker{
logger: log.New(cfg.Logger(), fmt.Sprintf("%s TRACKER ", cfg.UUID()), 0),
cfg: cfg,
iface: iface,
adport: adport,
evtHandler: newEventHandler(),
}
t.port, err = getRandomPort(t.iface)
if err != nil {
return
}
err = t.setupMemberlist()
return
}
// NewInputFromConfig creates a new Input instance for a given configuration.
func NewInputFromConfig(cfg *config.Config) (i *Input, err error) {
m, err := manager.New(cfg)
if err != nil {
return
}
i = &Input{
m: m,
cfg: cfg,
r: eventual2go.NewReactor(),
listen: map[string]interface{}{},
logger: log.New(cfg.Logger(), fmt.Sprintf("%s INPUT ", cfg.UUID()), 0),
results: &messages.ResultStream{m.MessagesOfType(messages.RESULT).Transform(connection.ToMessage)},
}
i.logger.Println("Launching with tagset", cfg.Tags())
i.r.React(connectionEvent{}, i.onConnection)
i.r.AddStream(connectionEvent{}, m.Connected().Stream)
i.r.React(arriveEvent{}, i.sendListenFunctions)
i.r.AddStream(arriveEvent{}, m.PeerArrive().Stream)
i.r.React(startListenEvent{}, i.startListen)
i.r.React(stopListenEvent{}, i.stopListen)
return
}
func New(cfg *config.Config) (m *Manager, err error) {
m = &Manager{
r: eventual2go.NewReactor(),
connected: typed_events.NewBoolStreamController(),
peers: map[config.UUID]*peer.Peer{},
arrive: config.NewUUIDStreamController(),
leave: config.NewUUIDStreamController(),
guaranteedMessages: map[messages.Message]*peer.Peer{},
messageIn: connection.NewMessageStreamController(),
logger: log.New(cfg.Logger(), fmt.Sprintf("%s MANAGER ", cfg.UUID()), 0),
shutdown: eventual2go.NewShutdown(),
shutdownComplete: eventual2go.NewCompleter(),
}
m.r.React(peerLeave{}, m.peerLeave)
m.r.React(peerConnected{}, m.peerConnected)
m.r.OnShutdown(m.onShutdown)
for _, iface := range cfg.Interfaces() {
var i *connection.Incoming
i, err = connection.NewIncoming(iface)
if err != nil {
m.logger.Println("ERROR setting up incoming:", err)
m.Shutdown()
return
}
m.shutdown.Register(i)
m.messageIn.Join(i.In().Where(filterMessages))
var t *tracker.Tracker
t, err = tracker.New(iface, i.Port(), cfg)
if err != nil {
m.logger.Println("ERROR setting up tracker:", err)
m.Shutdown()
return
}
m.tracker = append(m.tracker, t)
m.shutdown.Register(t)
m.r.AddStream(peerLeave{}, t.Leave().Stream)
var d *discoverer.Discoverer
d = discoverer.New(t.Join(), i, cfg)
m.r.AddStream(peerConnected{}, d.ConnectedPeers().Stream)
}
return
}
// NewOutputFromConfig creates a new Output instance for a given configuration.
func NewOutputFromConfig(cfg *config.Config) (o *Output, err error) {
m, err := manager.New(cfg)
o = &Output{
cfg: cfg,
m: m,
requests: &messages.RequestStream{m.MessagesOfType(messages.REQUEST).Transform(connection.ToMessage)},
listeners: map[string]map[config.UUID]interface{}{},
logger: log.New(cfg.Logger(), fmt.Sprintf("%s OUTPUT ", cfg.UUID()), 0),
r: eventual2go.NewReactor(),
}
o.logger.Println("Launching with tagset", cfg.Tags())
o.r.React(startListenEvent{}, o.onListen)
o.r.AddStream(startListenEvent{}, m.MessagesOfType(messages.LISTEN).Stream)
o.r.React(stopListenEvent{}, o.onStopListen)
o.r.AddStream(stopListenEvent{}, m.MessagesOfType(messages.STOPLISTEN).Stream)
o.r.React(leaveEvent{}, o.onPeerGone)
o.r.React(replyEvent{}, o.deliverResult)
return
}