package tracker import ( "context" "net" "net/url" "github.com/anacrolix/log" trHttp "github.com/anacrolix/torrent/tracker/http" "github.com/anacrolix/torrent/tracker/udp" ) type Client interface { Announce(context.Context, AnnounceRequest, AnnounceOpt) (AnnounceResponse, error) Close() error } type AnnounceOpt = trHttp.AnnounceOpt type NewClientOpts struct { Http trHttp.NewClientOpts // Overrides the network in the scheme. Probably a legacy thing. UdpNetwork string Logger log.Logger ListenPacket func(network, addr string) (net.PacketConn, error) } func NewClient(urlStr string, opts NewClientOpts) (Client, error) { _url, err := url.Parse(urlStr) if err != nil { return nil, err } switch _url.Scheme { case "http", "https": return trHttp.NewClient(_url, opts.Http), nil case "udp", "udp4", "udp6": network := _url.Scheme if opts.UdpNetwork != "" { network = opts.UdpNetwork } cc, err := udp.NewConnClient(udp.NewConnClientOpts{ Network: network, Host: _url.Host, Logger: opts.Logger, ListenPacket: opts.ListenPacket, }) if err != nil { return nil, err } return &udpClient{ cl: cc, requestUri: _url.RequestURI(), }, nil default: return nil, ErrBadScheme } }