15 _ "github.com/anacrolix/envpprof"
16 "github.com/anacrolix/missinggo"
17 "github.com/anacrolix/missinggo/filecache"
18 "github.com/bradfitz/iter"
19 "github.com/stretchr/testify/assert"
20 "github.com/stretchr/testify/require"
21 "golang.org/x/time/rate"
23 "github.com/anacrolix/torrent/bencode"
24 "github.com/anacrolix/torrent/internal/testutil"
25 "github.com/anacrolix/torrent/iplist"
26 "github.com/anacrolix/torrent/metainfo"
27 "github.com/anacrolix/torrent/storage"
30 func TestingConfig() *Config {
32 ListenAddr: "localhost:0",
35 DisableTrackers: true,
36 NoDefaultPortForwarding: true,
41 func TestClientDefault(t *testing.T) {
42 cl, err := NewClient(TestingConfig())
43 require.NoError(t, err)
47 func TestBoltPieceCompletionClosedWhenClientClosed(t *testing.T) {
48 cfg := TestingConfig()
49 pc, err := storage.NewBoltPieceCompletion(cfg.DataDir)
50 require.NoError(t, err)
51 ci := storage.NewFileWithCompletion(cfg.DataDir, pc)
53 cfg.DefaultStorage = ci
54 cl, err := NewClient(cfg)
55 require.NoError(t, err)
57 // And again, https://github.com/anacrolix/torrent/issues/158
58 cl, err = NewClient(cfg)
59 require.NoError(t, err)
63 func TestAddDropTorrent(t *testing.T) {
64 cl, err := NewClient(TestingConfig())
65 require.NoError(t, err)
67 dir, mi := testutil.GreetingTestTorrent()
68 defer os.RemoveAll(dir)
69 tt, new, err := cl.AddTorrentSpec(TorrentSpecFromMetaInfo(mi))
70 require.NoError(t, err)
72 tt.SetMaxEstablishedConns(0)
73 tt.SetMaxEstablishedConns(1)
77 func TestAddTorrentNoSupportedTrackerSchemes(t *testing.T) {
82 func TestAddTorrentNoUsableURLs(t *testing.T) {
87 func TestAddPeersToUnknownTorrent(t *testing.T) {
92 func TestPieceHashSize(t *testing.T) {
93 assert.Equal(t, 20, pieceHash.Size())
96 func TestTorrentInitialState(t *testing.T) {
97 dir, mi := testutil.GreetingTestTorrent()
98 defer os.RemoveAll(dir)
101 tor := cl.newTorrent(
103 storage.NewFileWithCompletion(tempDir(), storage.NewMapPieceCompletion()),
107 err := tor.setInfoBytes(mi.InfoBytes)
109 require.NoError(t, err)
110 require.Len(t, tor.pieces, 3)
111 tor.pendAllChunkSpecs(0)
113 assert.EqualValues(t, 3, tor.pieceNumPendingChunks(0))
115 assert.EqualValues(t, chunkSpec{4, 1}, chunkIndexSpec(2, tor.pieceLength(0), tor.chunkSize))
118 func TestUnmarshalPEXMsg(t *testing.T) {
119 var m peerExchangeMessage
120 if err := bencode.Unmarshal([]byte("d5:added12:\x01\x02\x03\x04\x05\x06\x07\x08\x09\x0a\x0b\x0ce"), &m); err != nil {
123 if len(m.Added) != 2 {
126 if m.Added[0].Port != 0x506 {
131 func TestReducedDialTimeout(t *testing.T) {
134 for _, _case := range []struct {
138 ExpectedReduced time.Duration
140 {cfg.NominalDialTimeout, 40, 0, cfg.NominalDialTimeout},
141 {cfg.NominalDialTimeout, 40, 1, cfg.NominalDialTimeout},
142 {cfg.NominalDialTimeout, 40, 39, cfg.NominalDialTimeout},
143 {cfg.NominalDialTimeout, 40, 40, cfg.NominalDialTimeout / 2},
144 {cfg.NominalDialTimeout, 40, 80, cfg.NominalDialTimeout / 3},
145 {cfg.NominalDialTimeout, 40, 4000, cfg.NominalDialTimeout / 101},
147 reduced := reducedDialTimeout(cfg.MinDialTimeout, _case.Max, _case.HalfOpenLimit, _case.PendingPeers)
148 expected := _case.ExpectedReduced
149 if expected < cfg.MinDialTimeout {
150 expected = cfg.MinDialTimeout
152 if reduced != expected {
153 t.Fatalf("expected %s, got %s", _case.ExpectedReduced, reduced)
158 func TestUTPRawConn(t *testing.T) {
159 l, err := NewUtpSocket("udp", "")
160 require.NoError(t, err)
170 // Connect a UTP peer to see if the RawConn will still work.
171 s, err := NewUtpSocket("udp", "")
172 require.NoError(t, err)
174 utpPeer, err := s.Dial(fmt.Sprintf("localhost:%d", missinggo.AddrPort(l.Addr())))
175 require.NoError(t, err)
176 defer utpPeer.Close()
177 peer, err := net.ListenPacket("udp", ":0")
178 require.NoError(t, err)
182 // How many messages to send. I've set this to double the channel buffer
183 // size in the raw packetConn.
185 readerStopped := make(chan struct{})
186 // The reader goroutine.
188 defer close(readerStopped)
189 b := make([]byte, 500)
190 for i := 0; i < N; i++ {
191 n, _, err := l.ReadFrom(b)
192 require.NoError(t, err)
195 fmt.Sscan(string(b[:n]), &d)
196 assert.Equal(t, i, d)
199 udpAddr, err := net.ResolveUDPAddr("udp", fmt.Sprintf("localhost:%d", missinggo.AddrPort(l.Addr())))
200 require.NoError(t, err)
201 for i := 0; i < N; i++ {
202 _, err := peer.WriteTo([]byte(fmt.Sprintf("%d", i)), udpAddr)
203 require.NoError(t, err)
204 time.Sleep(time.Millisecond)
207 case <-readerStopped:
208 case <-time.After(time.Second):
209 t.Fatal("reader timed out")
211 if msgsReceived != N {
212 t.Fatalf("messages received: %d", msgsReceived)
216 func TestTwoClientsArbitraryPorts(t *testing.T) {
217 for i := 0; i < 2; i++ {
218 cl, err := NewClient(TestingConfig())
226 func TestAddDropManyTorrents(t *testing.T) {
227 cl, err := NewClient(TestingConfig())
228 require.NoError(t, err)
230 for i := range iter.N(1000) {
232 binary.PutVarint(spec.InfoHash[:], int64(i))
233 tt, new, err := cl.AddTorrentSpec(&spec)
234 assert.NoError(t, err)
240 type FileCacheClientStorageFactoryParams struct {
243 Wrapper func(*filecache.Cache) storage.ClientImpl
246 func NewFileCacheClientStorageFactory(ps FileCacheClientStorageFactoryParams) storageFactory {
247 return func(dataDir string) storage.ClientImpl {
248 fc, err := filecache.NewCache(dataDir)
253 fc.SetCapacity(ps.Capacity)
255 return ps.Wrapper(fc)
259 type storageFactory func(string) storage.ClientImpl
261 func TestClientTransferDefault(t *testing.T) {
262 testClientTransfer(t, testClientTransferParams{
263 ExportClientStatus: true,
264 LeecherStorage: NewFileCacheClientStorageFactory(FileCacheClientStorageFactoryParams{
265 Wrapper: fileCachePieceResourceStorage,
270 func TestClientTransferRateLimitedUpload(t *testing.T) {
271 started := time.Now()
272 testClientTransfer(t, testClientTransferParams{
273 // We are uploading 13 bytes (the length of the greeting torrent). The
274 // chunks are 2 bytes in length. Then the smallest burst we can run
275 // with is 2. Time taken is (13-burst)/rate.
276 SeederUploadRateLimiter: rate.NewLimiter(11, 2),
278 require.True(t, time.Since(started) > time.Second)
281 func TestClientTransferRateLimitedDownload(t *testing.T) {
282 testClientTransfer(t, testClientTransferParams{
283 LeecherDownloadRateLimiter: rate.NewLimiter(512, 512),
287 func fileCachePieceResourceStorage(fc *filecache.Cache) storage.ClientImpl {
288 return storage.NewResourcePieces(fc.AsResourceProvider())
291 func TestClientTransferSmallCache(t *testing.T) {
292 testClientTransfer(t, testClientTransferParams{
293 LeecherStorage: NewFileCacheClientStorageFactory(FileCacheClientStorageFactoryParams{
295 // Going below the piece length means it can't complete a piece so
296 // that it can be hashed.
298 Wrapper: fileCachePieceResourceStorage,
301 // Can't readahead too far or the cache will thrash and drop data we
304 ExportClientStatus: true,
308 func TestClientTransferVarious(t *testing.T) {
310 for _, ls := range []storageFactory{
311 NewFileCacheClientStorageFactory(FileCacheClientStorageFactoryParams{
312 Wrapper: fileCachePieceResourceStorage,
317 for _, ss := range []func(string) storage.ClientImpl{
321 for _, responsive := range []bool{false, true} {
322 testClientTransfer(t, testClientTransferParams{
323 Responsive: responsive,
327 for _, readahead := range []int64{-1, 0, 1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 13, 14, 15, 20} {
328 testClientTransfer(t, testClientTransferParams{
330 Responsive: responsive,
332 Readahead: readahead,
341 type testClientTransferParams struct {
345 ExportClientStatus bool
346 LeecherStorage func(string) storage.ClientImpl
347 SeederStorage func(string) storage.ClientImpl
348 SeederUploadRateLimiter *rate.Limiter
349 LeecherDownloadRateLimiter *rate.Limiter
352 // Creates a seeder and a leecher, and ensures the data transfers when a read
353 // is attempted on the leecher.
354 func testClientTransfer(t *testing.T, ps testClientTransferParams) {
355 greetingTempDir, mi := testutil.GreetingTestTorrent()
356 defer os.RemoveAll(greetingTempDir)
357 // Create seeder and a Torrent.
358 cfg := TestingConfig()
360 cfg.UploadRateLimiter = ps.SeederUploadRateLimiter
361 // cfg.ListenAddr = "localhost:4000"
362 if ps.SeederStorage != nil {
363 cfg.DefaultStorage = ps.SeederStorage(greetingTempDir)
364 defer cfg.DefaultStorage.Close()
366 cfg.DataDir = greetingTempDir
368 seeder, err := NewClient(cfg)
369 require.NoError(t, err)
370 if ps.ExportClientStatus {
371 testutil.ExportStatusWriter(seeder, "s")
373 seederTorrent, _, _ := seeder.AddTorrentSpec(TorrentSpecFromMetaInfo(mi))
374 // Run a Stats right after Closing the Client. This will trigger the Stats
375 // panic in #214 caused by RemoteAddr on Closed uTP sockets.
376 defer seederTorrent.Stats()
378 seederTorrent.VerifyData()
379 // Create leecher and a Torrent.
380 leecherDataDir, err := ioutil.TempDir("", "")
381 require.NoError(t, err)
382 defer os.RemoveAll(leecherDataDir)
383 if ps.LeecherStorage == nil {
384 cfg.DataDir = leecherDataDir
386 cfg.DefaultStorage = ps.LeecherStorage(leecherDataDir)
388 cfg.DownloadRateLimiter = ps.LeecherDownloadRateLimiter
390 leecher, err := NewClient(cfg)
391 require.NoError(t, err)
392 defer leecher.Close()
393 if ps.ExportClientStatus {
394 testutil.ExportStatusWriter(leecher, "l")
396 leecherTorrent, new, err := leecher.AddTorrentSpec(func() (ret *TorrentSpec) {
397 ret = TorrentSpecFromMetaInfo(mi)
401 require.NoError(t, err)
403 // Now do some things with leecher and seeder.
404 addClientPeer(leecherTorrent, seeder)
405 // The Torrent should not be interested in obtaining peers, so the one we
406 // just added should be the only one.
407 assert.False(t, leecherTorrent.Seeding())
408 assert.EqualValues(t, 1, leecherTorrent.Stats().PendingPeers)
409 r := leecherTorrent.NewReader()
415 r.SetReadahead(ps.Readahead)
417 assertReadAllGreeting(t, r)
418 assert.True(t, 13 <= seederTorrent.Stats().DataBytesWritten)
419 assert.True(t, 8 <= seederTorrent.Stats().ChunksWritten)
420 assert.True(t, 13 <= leecherTorrent.Stats().DataBytesRead)
421 assert.True(t, 8 <= leecherTorrent.Stats().ChunksRead)
422 // Try reading through again for the cases where the torrent data size
423 // exceeds the size of the cache.
424 assertReadAllGreeting(t, r)
427 func assertReadAllGreeting(t *testing.T, r io.ReadSeeker) {
428 pos, err := r.Seek(0, io.SeekStart)
429 assert.NoError(t, err)
430 assert.EqualValues(t, 0, pos)
431 _greeting, err := ioutil.ReadAll(r)
432 assert.NoError(t, err)
433 assert.EqualValues(t, testutil.GreetingFileContents, _greeting)
436 // Check that after completing leeching, a leecher transitions to a seeding
437 // correctly. Connected in a chain like so: Seeder <-> Leecher <-> LeecherLeecher.
438 func TestSeedAfterDownloading(t *testing.T) {
439 greetingTempDir, mi := testutil.GreetingTestTorrent()
440 defer os.RemoveAll(greetingTempDir)
441 cfg := TestingConfig()
443 cfg.DataDir = greetingTempDir
444 seeder, err := NewClient(cfg)
445 require.NoError(t, err)
447 testutil.ExportStatusWriter(seeder, "s")
448 seederTorrent, _, _ := seeder.AddTorrentSpec(TorrentSpecFromMetaInfo(mi))
449 seederTorrent.VerifyData()
450 cfg.DataDir, err = ioutil.TempDir("", "")
451 require.NoError(t, err)
452 defer os.RemoveAll(cfg.DataDir)
453 leecher, err := NewClient(cfg)
454 require.NoError(t, err)
455 defer leecher.Close()
456 testutil.ExportStatusWriter(leecher, "l")
458 cfg.DataDir, err = ioutil.TempDir("", "")
459 require.NoError(t, err)
460 defer os.RemoveAll(cfg.DataDir)
461 leecherLeecher, _ := NewClient(cfg)
462 defer leecherLeecher.Close()
463 testutil.ExportStatusWriter(leecherLeecher, "ll")
464 leecherGreeting, _, _ := leecher.AddTorrentSpec(func() (ret *TorrentSpec) {
465 ret = TorrentSpecFromMetaInfo(mi)
469 llg, _, _ := leecherLeecher.AddTorrentSpec(func() (ret *TorrentSpec) {
470 ret = TorrentSpecFromMetaInfo(mi)
474 // Simultaneously DownloadAll in Leecher, and read the contents
475 // consecutively in LeecherLeecher. This non-deterministically triggered a
476 // case where the leecher wouldn't unchoke the LeecherLeecher.
477 var wg sync.WaitGroup
483 b, err := ioutil.ReadAll(r)
484 require.NoError(t, err)
485 assert.EqualValues(t, testutil.GreetingFileContents, b)
487 addClientPeer(leecherGreeting, seeder)
488 addClientPeer(leecherGreeting, leecherLeecher)
492 leecherGreeting.DownloadAll()
498 func TestMergingTrackersByAddingSpecs(t *testing.T) {
499 cl, err := NewClient(TestingConfig())
500 require.NoError(t, err)
502 spec := TorrentSpec{}
503 T, new, _ := cl.AddTorrentSpec(&spec)
507 spec.Trackers = [][]string{{"http://a"}, {"udp://b"}}
508 _, new, _ = cl.AddTorrentSpec(&spec)
510 assert.EqualValues(t, [][]string{{"http://a"}, {"udp://b"}}, T.metainfo.AnnounceList)
511 // Because trackers are disabled in TestingConfig.
512 assert.EqualValues(t, 0, len(T.trackerAnnouncers))
515 // We read from a piece which is marked completed, but is missing data.
516 func TestCompletedPieceWrongSize(t *testing.T) {
517 cfg := TestingConfig()
518 cfg.DefaultStorage = badStorage{}
519 cl, err := NewClient(cfg)
520 require.NoError(t, err)
522 info := metainfo.Info{
524 Pieces: make([]byte, 20),
525 Files: []metainfo.FileInfo{
526 {Path: []string{"greeting"}, Length: 13},
529 b, err := bencode.Marshal(info)
530 require.NoError(t, err)
531 tt, new, err := cl.AddTorrentSpec(&TorrentSpec{
533 InfoHash: metainfo.HashBytes(b),
535 require.NoError(t, err)
540 b, err = ioutil.ReadAll(r)
542 assert.NoError(t, err)
545 func BenchmarkAddLargeTorrent(b *testing.B) {
546 cfg := TestingConfig()
547 cfg.DisableTCP = true
548 cfg.DisableUTP = true
549 cfg.ListenAddr = "redonk"
550 cl, err := NewClient(cfg)
551 require.NoError(b, err)
553 for range iter.N(b.N) {
554 t, err := cl.AddTorrentFromFile("testdata/bootstrap.dat.torrent")
562 func TestResponsive(t *testing.T) {
563 seederDataDir, mi := testutil.GreetingTestTorrent()
564 defer os.RemoveAll(seederDataDir)
565 cfg := TestingConfig()
567 cfg.DataDir = seederDataDir
568 seeder, err := NewClient(cfg)
571 seederTorrent, _, _ := seeder.AddTorrentSpec(TorrentSpecFromMetaInfo(mi))
572 seederTorrent.VerifyData()
573 leecherDataDir, err := ioutil.TempDir("", "")
575 defer os.RemoveAll(leecherDataDir)
576 cfg = TestingConfig()
577 cfg.DataDir = leecherDataDir
578 leecher, err := NewClient(cfg)
580 defer leecher.Close()
581 leecherTorrent, _, _ := leecher.AddTorrentSpec(func() (ret *TorrentSpec) {
582 ret = TorrentSpecFromMetaInfo(mi)
586 addClientPeer(leecherTorrent, seeder)
587 reader := leecherTorrent.NewReader()
589 reader.SetReadahead(0)
590 reader.SetResponsive()
592 _, err = reader.Seek(3, io.SeekStart)
593 require.NoError(t, err)
594 _, err = io.ReadFull(reader, b)
596 assert.EqualValues(t, "lo", string(b))
597 _, err = reader.Seek(11, io.SeekStart)
598 require.NoError(t, err)
599 n, err := io.ReadFull(reader, b)
601 assert.EqualValues(t, 2, n)
602 assert.EqualValues(t, "d\n", string(b))
605 func TestTorrentDroppedDuringResponsiveRead(t *testing.T) {
606 seederDataDir, mi := testutil.GreetingTestTorrent()
607 defer os.RemoveAll(seederDataDir)
608 cfg := TestingConfig()
610 cfg.DataDir = seederDataDir
611 seeder, err := NewClient(cfg)
614 seederTorrent, _, _ := seeder.AddTorrentSpec(TorrentSpecFromMetaInfo(mi))
615 seederTorrent.VerifyData()
616 leecherDataDir, err := ioutil.TempDir("", "")
618 defer os.RemoveAll(leecherDataDir)
619 cfg = TestingConfig()
620 cfg.DataDir = leecherDataDir
621 leecher, err := NewClient(cfg)
623 defer leecher.Close()
624 leecherTorrent, _, _ := leecher.AddTorrentSpec(func() (ret *TorrentSpec) {
625 ret = TorrentSpecFromMetaInfo(mi)
629 addClientPeer(leecherTorrent, seeder)
630 reader := leecherTorrent.NewReader()
632 reader.SetReadahead(0)
633 reader.SetResponsive()
635 _, err = reader.Seek(3, io.SeekStart)
636 require.NoError(t, err)
637 _, err = io.ReadFull(reader, b)
639 assert.EqualValues(t, "lo", string(b))
640 go leecherTorrent.Drop()
641 _, err = reader.Seek(11, io.SeekStart)
642 require.NoError(t, err)
643 n, err := reader.Read(b)
644 assert.EqualError(t, err, "torrent closed")
645 assert.EqualValues(t, 0, n)
648 func TestDHTInheritBlocklist(t *testing.T) {
649 ipl := iplist.New(nil)
650 require.NotNil(t, ipl)
651 cfg := TestingConfig()
652 cfg.IPBlocklist = ipl
654 cl, err := NewClient(cfg)
655 require.NoError(t, err)
657 require.Equal(t, ipl, cl.DHT().IPBlocklist())
660 // Check that stuff is merged in subsequent AddTorrentSpec for the same
662 func TestAddTorrentSpecMerging(t *testing.T) {
663 cl, err := NewClient(TestingConfig())
664 require.NoError(t, err)
666 dir, mi := testutil.GreetingTestTorrent()
667 defer os.RemoveAll(dir)
668 tt, new, err := cl.AddTorrentSpec(&TorrentSpec{
669 InfoHash: mi.HashInfoBytes(),
671 require.NoError(t, err)
673 require.Nil(t, tt.Info())
674 _, new, err = cl.AddTorrentSpec(TorrentSpecFromMetaInfo(mi))
675 require.NoError(t, err)
676 require.False(t, new)
677 require.NotNil(t, tt.Info())
680 func TestTorrentDroppedBeforeGotInfo(t *testing.T) {
681 dir, mi := testutil.GreetingTestTorrent()
683 cl, _ := NewClient(TestingConfig())
685 tt, _, _ := cl.AddTorrentSpec(&TorrentSpec{
686 InfoHash: mi.HashInfoBytes(),
689 assert.EqualValues(t, 0, len(cl.Torrents()))
697 func writeTorrentData(ts *storage.Torrent, info metainfo.Info, b []byte) {
698 for i := range iter.N(info.NumPieces()) {
700 ts.Piece(p).WriteAt(b[p.Offset():p.Offset()+p.Length()], 0)
704 func testAddTorrentPriorPieceCompletion(t *testing.T, alreadyCompleted bool, csf func(*filecache.Cache) storage.ClientImpl) {
705 fileCacheDir, err := ioutil.TempDir("", "")
706 require.NoError(t, err)
707 defer os.RemoveAll(fileCacheDir)
708 fileCache, err := filecache.NewCache(fileCacheDir)
709 require.NoError(t, err)
710 greetingDataTempDir, greetingMetainfo := testutil.GreetingTestTorrent()
711 defer os.RemoveAll(greetingDataTempDir)
712 filePieceStore := csf(fileCache)
713 defer filePieceStore.Close()
714 info, err := greetingMetainfo.UnmarshalInfo()
715 require.NoError(t, err)
716 ih := greetingMetainfo.HashInfoBytes()
717 greetingData, err := storage.NewClient(filePieceStore).OpenTorrent(&info, ih)
718 require.NoError(t, err)
719 writeTorrentData(greetingData, info, []byte(testutil.GreetingFileContents))
720 // require.Equal(t, len(testutil.GreetingFileContents), written)
721 // require.NoError(t, err)
722 for i := 0; i < info.NumPieces(); i++ {
724 if alreadyCompleted {
725 require.NoError(t, greetingData.Piece(p).MarkComplete())
728 cfg := TestingConfig()
729 // TODO: Disable network option?
730 cfg.DisableTCP = true
731 cfg.DisableUTP = true
732 cfg.DefaultStorage = filePieceStore
733 cl, err := NewClient(cfg)
734 require.NoError(t, err)
736 tt, err := cl.AddTorrent(greetingMetainfo)
737 require.NoError(t, err)
738 psrs := tt.PieceStateRuns()
739 assert.Len(t, psrs, 1)
740 assert.EqualValues(t, 3, psrs[0].Length)
741 assert.Equal(t, alreadyCompleted, psrs[0].Complete)
742 if alreadyCompleted {
744 b, err := ioutil.ReadAll(r)
745 assert.NoError(t, err)
746 assert.EqualValues(t, testutil.GreetingFileContents, b)
750 func TestAddTorrentPiecesAlreadyCompleted(t *testing.T) {
751 testAddTorrentPriorPieceCompletion(t, true, fileCachePieceResourceStorage)
754 func TestAddTorrentPiecesNotAlreadyCompleted(t *testing.T) {
755 testAddTorrentPriorPieceCompletion(t, false, fileCachePieceResourceStorage)
758 func TestAddMetainfoWithNodes(t *testing.T) {
759 cfg := TestingConfig()
760 cfg.ListenAddr = ":0"
762 // For now, we want to just jam the nodes into the table, without
763 // verifying them first. Also the DHT code doesn't support mixing secure
764 // and insecure nodes if security is enabled (yet).
765 cfg.DHTConfig.NoSecurity = true
766 cl, err := NewClient(cfg)
767 require.NoError(t, err)
769 assert.EqualValues(t, 0, cl.DHT().NumNodes()+cl.DHT().Stats().OutstandingTransactions)
770 tt, err := cl.AddTorrentFromFile("metainfo/testdata/issue_65a.torrent")
771 require.NoError(t, err)
772 // Nodes are not added or exposed in Torrent's metainfo. We just randomly
773 // check if the announce-list is here instead. TODO: Add nodes.
774 assert.Len(t, tt.metainfo.AnnounceList, 5)
775 // There are 6 nodes in the torrent file.
776 assert.EqualValues(t, 6, cl.DHT().NumNodes()+cl.DHT().Stats().OutstandingTransactions)
779 type testDownloadCancelParams struct {
780 ExportClientStatus bool
781 SetLeecherStorageCapacity bool
782 LeecherStorageCapacity int64
786 func testDownloadCancel(t *testing.T, ps testDownloadCancelParams) {
787 greetingTempDir, mi := testutil.GreetingTestTorrent()
788 defer os.RemoveAll(greetingTempDir)
789 cfg := TestingConfig()
791 cfg.DataDir = greetingTempDir
792 seeder, err := NewClient(cfg)
793 require.NoError(t, err)
795 if ps.ExportClientStatus {
796 testutil.ExportStatusWriter(seeder, "s")
798 seederTorrent, _, _ := seeder.AddTorrentSpec(TorrentSpecFromMetaInfo(mi))
799 seederTorrent.VerifyData()
800 leecherDataDir, err := ioutil.TempDir("", "")
801 require.NoError(t, err)
802 defer os.RemoveAll(leecherDataDir)
803 fc, err := filecache.NewCache(leecherDataDir)
804 require.NoError(t, err)
805 if ps.SetLeecherStorageCapacity {
806 fc.SetCapacity(ps.LeecherStorageCapacity)
808 cfg.DefaultStorage = storage.NewResourcePieces(fc.AsResourceProvider())
809 cfg.DataDir = leecherDataDir
810 leecher, _ := NewClient(cfg)
811 defer leecher.Close()
812 if ps.ExportClientStatus {
813 testutil.ExportStatusWriter(leecher, "l")
815 leecherGreeting, new, err := leecher.AddTorrentSpec(func() (ret *TorrentSpec) {
816 ret = TorrentSpecFromMetaInfo(mi)
820 require.NoError(t, err)
822 psc := leecherGreeting.SubscribePieceStateChanges()
825 leecherGreeting.cl.mu.Lock()
826 leecherGreeting.downloadPiecesLocked(0, leecherGreeting.numPieces())
828 leecherGreeting.cancelPiecesLocked(0, leecherGreeting.NumPieces())
830 leecherGreeting.cl.mu.Unlock()
832 addClientPeer(leecherGreeting, seeder)
833 completes := make(map[int]bool, 3)
836 // started := time.Now()
838 case _v := <-psc.Values:
839 // log.Print(time.Since(started))
840 v := _v.(PieceStateChange)
841 completes[v.Index] = v.Complete
842 case <-time.After(100 * time.Millisecond):
847 assert.EqualValues(t, map[int]bool{0: false, 1: false, 2: false}, completes)
849 assert.EqualValues(t, map[int]bool{0: true, 1: true, 2: true}, completes)
854 func TestTorrentDownloadAll(t *testing.T) {
855 testDownloadCancel(t, testDownloadCancelParams{})
858 func TestTorrentDownloadAllThenCancel(t *testing.T) {
859 testDownloadCancel(t, testDownloadCancelParams{
864 // Ensure that it's an error for a peer to send an invalid have message.
865 func TestPeerInvalidHave(t *testing.T) {
866 cl, err := NewClient(TestingConfig())
867 require.NoError(t, err)
869 info := metainfo.Info{
871 Pieces: make([]byte, 20),
872 Files: []metainfo.FileInfo{{Length: 1}},
874 infoBytes, err := bencode.Marshal(info)
875 require.NoError(t, err)
876 tt, _new, err := cl.AddTorrentSpec(&TorrentSpec{
877 InfoBytes: infoBytes,
878 InfoHash: metainfo.HashBytes(infoBytes),
879 Storage: badStorage{},
881 require.NoError(t, err)
887 assert.NoError(t, cn.peerSentHave(0))
888 assert.Error(t, cn.peerSentHave(1))
891 func TestPieceCompletedInStorageButNotClient(t *testing.T) {
892 greetingTempDir, greetingMetainfo := testutil.GreetingTestTorrent()
893 defer os.RemoveAll(greetingTempDir)
894 cfg := TestingConfig()
895 cfg.DataDir = greetingTempDir
896 seeder, err := NewClient(TestingConfig())
897 require.NoError(t, err)
898 seeder.AddTorrentSpec(&TorrentSpec{
899 InfoBytes: greetingMetainfo.InfoBytes,
903 func TestPrepareTrackerAnnounce(t *testing.T) {
905 blocked, urlToUse, host, err := cl.prepareTrackerAnnounceUnlocked("http://localhost:1234/announce?herp")
906 require.NoError(t, err)
907 assert.False(t, blocked)
908 assert.EqualValues(t, "localhost:1234", host)
909 assert.EqualValues(t, "http://127.0.0.1:1234/announce?herp", urlToUse)
912 // Check that when the listen port is 0, all the protocols listened on have
913 // the same port, and it isn't zero.
914 func TestClientDynamicListenPortAllProtocols(t *testing.T) {
915 cl, err := NewClient(TestingConfig())
916 require.NoError(t, err)
918 assert.NotEqual(t, 0, missinggo.AddrPort(cl.ListenAddr()))
919 assert.Equal(t, missinggo.AddrPort(cl.utpSock.Addr()), missinggo.AddrPort(cl.tcpListener.Addr()))
922 func TestClientDynamicListenTCPOnly(t *testing.T) {
923 cfg := TestingConfig()
924 cfg.DisableUTP = true
925 cl, err := NewClient(cfg)
926 require.NoError(t, err)
928 assert.NotEqual(t, 0, missinggo.AddrPort(cl.ListenAddr()))
929 assert.Nil(t, cl.utpSock)
932 func TestClientDynamicListenUTPOnly(t *testing.T) {
933 cfg := TestingConfig()
934 cfg.DisableTCP = true
935 cl, err := NewClient(cfg)
936 require.NoError(t, err)
938 assert.NotEqual(t, 0, missinggo.AddrPort(cl.ListenAddr()))
939 assert.Nil(t, cl.tcpListener)
942 func TestClientDynamicListenPortNoProtocols(t *testing.T) {
943 cfg := TestingConfig()
944 cfg.DisableTCP = true
945 cfg.DisableUTP = true
946 cl, err := NewClient(cfg)
947 require.NoError(t, err)
949 assert.Nil(t, cl.ListenAddr())
952 func addClientPeer(t *Torrent, cl *Client) {
955 IP: missinggo.AddrIP(cl.ListenAddr()),
956 Port: missinggo.AddrPort(cl.ListenAddr()),
961 func totalConns(tts []*Torrent) (ret int) {
962 for _, tt := range tts {
970 func TestSetMaxEstablishedConn(t *testing.T) {
972 ih := testutil.GreetingMetaInfo().HashInfoBytes()
973 for i := range iter.N(3) {
974 cl, err := NewClient(TestingConfig())
975 require.NoError(t, err)
977 tt, _ := cl.AddTorrentInfoHash(ih)
978 tt.SetMaxEstablishedConns(2)
979 testutil.ExportStatusWriter(cl, fmt.Sprintf("%d", i))
980 tts = append(tts, tt)
983 for i, tt := range tts {
984 for _, _tt := range tts[:i] {
985 addClientPeer(tt, _tt.cl)
989 waitTotalConns := func(num int) {
990 for totalConns(tts) != num {
991 time.Sleep(time.Millisecond)
996 tts[0].SetMaxEstablishedConns(1)
998 tts[0].SetMaxEstablishedConns(0)
1000 tts[0].SetMaxEstablishedConns(1)
1003 tts[0].SetMaxEstablishedConns(2)
1008 func makeMagnet(t *testing.T, cl *Client, dir string, name string) string {
1009 os.MkdirAll(dir, 0770)
1010 file, err := os.Create(filepath.Join(dir, name))
1011 require.NoError(t, err)
1012 file.Write([]byte(name))
1014 mi := metainfo.MetaInfo{}
1016 info := metainfo.Info{PieceLength: 256 * 1024}
1017 err = info.BuildFromFilePath(filepath.Join(dir, name))
1018 require.NoError(t, err)
1019 mi.InfoBytes, err = bencode.Marshal(info)
1020 require.NoError(t, err)
1021 magnet := mi.Magnet(name, mi.HashInfoBytes()).String()
1022 tr, err := cl.AddTorrent(&mi)
1023 require.NoError(t, err)
1024 require.True(t, tr.Seeding())
1029 // https://github.com/anacrolix/torrent/issues/114
1030 func TestMultipleTorrentsWithEncryption(t *testing.T) {
1031 cfg := TestingConfig()
1032 cfg.DisableUTP = true
1034 cfg.DataDir = filepath.Join(cfg.DataDir, "server")
1035 cfg.ForceEncryption = true
1036 os.Mkdir(cfg.DataDir, 0755)
1037 server, err := NewClient(cfg)
1038 require.NoError(t, err)
1039 defer server.Close()
1040 testutil.ExportStatusWriter(server, "s")
1041 magnet1 := makeMagnet(t, server, cfg.DataDir, "test1")
1042 makeMagnet(t, server, cfg.DataDir, "test2")
1043 cfg = TestingConfig()
1044 cfg.DisableUTP = true
1045 cfg.DataDir = filepath.Join(cfg.DataDir, "client")
1046 cfg.ForceEncryption = true
1047 client, err := NewClient(cfg)
1048 require.NoError(t, err)
1049 defer client.Close()
1050 testutil.ExportStatusWriter(client, "c")
1051 tr, err := client.AddMagnet(magnet1)
1052 require.NoError(t, err)
1053 tr.AddPeers([]Peer{{
1054 IP: missinggo.AddrIP(server.ListenAddr()),
1055 Port: missinggo.AddrPort(server.ListenAddr()),
1062 func TestClientAddressInUse(t *testing.T) {
1063 s, _ := NewUtpSocket("udp", ":50007")
1067 cfg := TestingConfig()
1068 cfg.ListenAddr = ":50007"
1069 cl, err := NewClient(cfg)
1070 require.Error(t, err)