func (c *conn) writeLoop() {
ticker := time.NewTicker(pingTime)
subscriber, err := broker.Subscribe(c.topic, func(msg *broker.Message) {
b, err := json.Marshal(msg)
if err != nil {
return
}
c.write(websocket.TextMessage, b)
})
defer func() {
subscriber.Unsubscribe()
ticker.Stop()
c.ws.Close()
}()
if err != nil {
log.Error(err.Error())
return
}
for _ = range ticker.C {
if err := c.write(websocket.PingMessage, []byte{}); err != nil {
return
}
}
}
func sub() {
_, err := broker.Subscribe(topic, func(msg *broker.Message) {
fmt.Println("[sub] received message:", string(msg.Body), "header", msg.Header)
})
if err != nil {
fmt.Println(err)
}
}