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
50 func (me *websocketTrackers) Get(url string, infoHash [20]byte) (*webtorrent.TrackerClient, func()) {
53 value, ok := me.clients[url]
55 dialer := &websocket.Dialer{Proxy: me.Proxy, NetDialContext: me.DialContext, HandshakeTimeout: websocket.DefaultDialer.HandshakeTimeout}
56 value = &refCountedWebtorrentTrackerClient{
57 TrackerClient: webtorrent.TrackerClient{
60 GetAnnounceRequest: me.GetAnnounceRequest,
63 Logger: me.Logger.WithText(func(m log.Msg) string {
64 return fmt.Sprintf("tracker client for %q: %v", url, m)
66 WebsocketTrackerHttpHeader: me.WebsocketTrackerHttpHeader,
69 value.TrackerClient.Start(func(err error) {
71 me.Logger.Printf("error running tracker client for %q: %v", url, err)
74 if me.clients == nil {
75 me.clients = make(map[string]*refCountedWebtorrentTrackerClient)
77 me.clients[url] = value
80 return &value.TrackerClient, func() {
83 value.TrackerClient.CloseOffersForInfohash(infoHash)
85 if value.refCount == 0 {
86 value.TrackerClient.Close()
87 delete(me.clients, url)