16 "github.com/anacrolix/dht/v2/krpc"
17 _ "github.com/anacrolix/envpprof"
18 "github.com/anacrolix/torrent/tracker/udp"
19 "github.com/stretchr/testify/assert"
20 "github.com/stretchr/testify/require"
23 var trackers = []string{
24 "udp://tracker.opentrackr.org:1337/announce",
25 "udp://tracker.openbittorrent.com:6969/announce",
28 func TestAnnounceLocalhost(t *testing.T) {
31 t: map[[20]byte]torrent{
32 {0xa3, 0x56, 0x41, 0x43, 0x74, 0x23, 0xe6, 0x26, 0xd9, 0x38, 0x25, 0x4a, 0x6b, 0x80, 0x49, 0x10, 0xa6, 0x67, 0xa, 0xc1}: {
35 Peers: krpc.CompactIPv4NodeAddrs{
36 {[]byte{1, 2, 3, 4}, 5},
37 {[]byte{6, 7, 8, 9}, 10},
43 srv.pc, err = net.ListenPacket("udp", ":0")
44 require.NoError(t, err)
47 require.NoError(t, srv.serveOne())
49 req := AnnounceRequest{
53 rand.Read(req.PeerId[:])
54 copy(req.InfoHash[:], []uint8{0xa3, 0x56, 0x41, 0x43, 0x74, 0x23, 0xe6, 0x26, 0xd9, 0x38, 0x25, 0x4a, 0x6b, 0x80, 0x49, 0x10, 0xa6, 0x67, 0xa, 0xc1})
56 require.NoError(t, srv.serveOne())
59 TrackerUrl: fmt.Sprintf("udp://%s/announce", srv.pc.LocalAddr().String()),
62 require.NoError(t, err)
63 assert.EqualValues(t, 1, ar.Seeders)
64 assert.EqualValues(t, 2, len(ar.Peers))
67 func TestUDPTracker(t *testing.T) {
72 req := AnnounceRequest{
75 rand.Read(req.PeerId[:])
76 copy(req.InfoHash[:], []uint8{0xa3, 0x56, 0x41, 0x43, 0x74, 0x23, 0xe6, 0x26, 0xd9, 0x38, 0x25, 0x4a, 0x6b, 0x80, 0x49, 0x10, 0xa6, 0x67, 0xa, 0xc1})
77 ctx, cancel := context.WithTimeout(context.Background(), DefaultTrackerAnnounceTimeout)
79 if dl, ok := t.Deadline(); ok {
81 ctx, cancel = context.WithDeadline(context.Background(), dl.Add(-time.Second))
85 TrackerUrl: trackers[0],
89 // Skip any net errors as we don't control the server.
91 if errors.As(err, &ne) {
94 require.NoError(t, err)
98 func TestAnnounceRandomInfoHashThirdParty(t *testing.T) {
101 // This test involves contacting third party servers that may have
102 // unpredictable results.
105 req := AnnounceRequest{
108 rand.Read(req.PeerId[:])
109 rand.Read(req.InfoHash[:])
110 wg := sync.WaitGroup{}
111 ctx, cancel := context.WithTimeout(context.Background(), DefaultTrackerAnnounceTimeout)
113 if dl, ok := t.Deadline(); ok {
115 ctx, cancel = context.WithDeadline(ctx, dl.Add(-time.Second))
118 for _, url := range trackers {
120 go func(url string) {
122 resp, err := Announce{
128 t.Logf("error announcing to %s: %s", url, err)
131 if resp.Leechers != 0 || resp.Seeders != 0 || len(resp.Peers) != 0 {
132 // The info hash we generated was random in 2^160 space. If we
133 // get a hit, something is weird.
136 t.Logf("announced to %s", url)
144 // Check that URLPath option is done correctly.
145 func TestURLPathOption(t *testing.T) {
146 conn, err := net.ListenUDP("udp", nil)
151 announceErr := make(chan error)
154 TrackerUrl: (&url.URL{
156 Host: conn.LocalAddr().String(),
164 _, addr, _ := conn.ReadFrom(b[:])
165 r := bytes.NewReader(b[:])
166 var h udp.RequestHeader
169 udp.Write(w, udp.ResponseHeader{
170 Action: udp.ActionConnect,
171 TransactionId: h.TransactionId,
173 udp.Write(w, udp.ConnectionResponse{42})
174 conn.WriteTo(w.Bytes(), addr)
175 n, _, _ := conn.ReadFrom(b[:])
176 r = bytes.NewReader(b[:n])
178 udp.Read(r, &AnnounceRequest{})
179 all, _ := ioutil.ReadAll(r)
180 if string(all) != "\x02\x09/announce" {
184 udp.Write(w, udp.ResponseHeader{
185 Action: udp.ActionAnnounce,
186 TransactionId: h.TransactionId,
188 udp.Write(w, udp.AnnounceResponseHeader{})
189 conn.WriteTo(w.Bytes(), addr)
190 require.NoError(t, <-announceErr)