bittorrent-tracker/lib/client/tracker.js

const EventEmitter = require('events')

class Tracker extends EventEmitter {
  constructor (client, announceUrl) {
    super()

    this.client = client
    this.announceUrl = announceUrl

    this.interval = null
    this.destroyed = false
  }

  setInterval (intervalMs) {
    if (intervalMs == null) intervalMs = this.DEFAULT_ANNOUNCE_INTERVAL

    clearInterval(this.interval)

    if (intervalMs) {
      this.interval = setInterval(() => {
        this.announce(this.client._defaultAnnounceOpts())
      }, intervalMs)
      if (this.interval.unref) this.interval.unref()
    }
  }
}

module.exports = Tracker