func subscribe(emitter *emission.Emitter) {
conn, _ := redis.Dial("tcp", ":6379")
channel := redis.PubSubConn{conn}
channel.Subscribe(CHANNEL_NAME)
for {
reply := channel.Receive()
switch parsed := reply.(type) {
case redis.Message:
message := string(parsed.Data)
emitter.Emit("message", message)
}
}
}
func socketHandler(emitter *emission.Emitter) http.HandlerFunc {
return func(response http.ResponseWriter, request *http.Request) {
socket, err := upgrader.Upgrade(response, request, nil)
fmt.Println("access")
if err != nil {
log.Println(err)
return
}
channel := make(chan string)
handler := func(message string) {
channel <- message
}
emitter.AddListener("message", handler)
for message := range channel {
err := socket.WriteMessage(websocket.TextMessage, []byte(message))
if err != nil {
break
}
}
emitter.RemoveListener("message", handler)
socket.Close()
}
}
// Trigger events on an external event emitter
func (u *Peer) NotifyChannel(e *event.E, emitter *emission.Emitter) {
emitter.Emit(e.Action, e)
}
// Binds Peer to an event, using some external event emitter
func (p *Peer) BindChannel(e string, emitter *emission.Emitter) {
emitter.On(e, p.receiveNotification)
}