11 "github.com/anacrolix/log"
12 "github.com/gorilla/websocket"
13 "github.com/pion/datachannel"
15 "github.com/anacrolix/torrent/tracker"
16 httpTracker "github.com/anacrolix/torrent/tracker/http"
17 "github.com/anacrolix/torrent/webtorrent"
20 type websocketTrackerStatus struct {
22 tc *webtorrent.TrackerClient
25 func (me websocketTrackerStatus) statusLine() string {
26 return fmt.Sprintf("%+v", me.tc.Stats())
29 func (me websocketTrackerStatus) URL() *url.URL {
33 type refCountedWebtorrentTrackerClient struct {
34 webtorrent.TrackerClient
38 type websocketTrackers struct {
41 GetAnnounceRequest func(event tracker.AnnounceEvent, infoHash [20]byte) (tracker.AnnounceRequest, error)
42 OnConn func(datachannel.ReadWriteCloser, webtorrent.DataChannelContext)
44 clients map[string]*refCountedWebtorrentTrackerClient
45 Proxy httpTracker.ProxyFunc
46 DialContext func(ctx context.Context, network, addr string) (net.Conn, error)
47 WebsocketTrackerHttpHeader func() netHttp.Header
51 func (me *websocketTrackers) Get(url string, infoHash [20]byte) (*webtorrent.TrackerClient, func()) {
54 value, ok := me.clients[url]
56 dialer := &websocket.Dialer{Proxy: me.Proxy, NetDialContext: me.DialContext, HandshakeTimeout: websocket.DefaultDialer.HandshakeTimeout}
57 value = &refCountedWebtorrentTrackerClient{
58 TrackerClient: webtorrent.TrackerClient{
61 GetAnnounceRequest: me.GetAnnounceRequest,
64 Logger: me.Logger.WithText(func(m log.Msg) string {
65 return fmt.Sprintf("tracker client for %q: %v", url, m)
67 WebsocketTrackerHttpHeader: me.WebsocketTrackerHttpHeader,
68 ICEServers: me.ICEServers,
71 value.TrackerClient.Start(func(err error) {
73 me.Logger.Printf("error running tracker client for %q: %v", url, err)
76 if me.clients == nil {
77 me.clients = make(map[string]*refCountedWebtorrentTrackerClient)
79 me.clients[url] = value
82 return &value.TrackerClient, func() {
85 value.TrackerClient.CloseOffersForInfohash(infoHash)
87 if value.refCount == 0 {
88 value.TrackerClient.Close()
89 delete(me.clients, url)