func consume(queue *lang.Queue) {
e := ewma.NewMovingAverage()
for {
old_len := queue.Len()
time.Sleep(1000 * time.Millisecond)
new_len := queue.Len()
msg_cnt := float64(new_len - old_len)
e.Add(msg_cnt)
str := fmt.Sprintf("Msg cnt: %v | Msg send: %v | ewma: %v", new_len, msg_cnt, e.Value())
fmt.Println(str)
}
}
func handle(conn net.Conn, queue *lang.Queue) {
fmt.Println("Connection: %s -> %s\n", conn.RemoteAddr(), conn.LocalAddr())
defer func() {
fmt.Println("Closing connection: %s\n", conn.RemoteAddr())
conn.Close()
}()
scanner := bufio.NewScanner(conn)
for scanner.Scan() {
if m := strings.Split(scanner.Text(), " "); len(m) > 2 {
ts, _ := strconv.ParseInt(m[2], 10, 0)
val, _ := strconv.Atoi(m[1])
m := &Metric{m[0], val, int(ts)}
//fmt.Println("Metric ", ts, m)
queue.Push(m)
}
}
if err := scanner.Err(); err != nil {
// handling error
}
}