17 "github.com/anacrolix/dht"
18 _ "github.com/anacrolix/envpprof"
19 "github.com/anacrolix/missinggo"
20 "github.com/anacrolix/missinggo/filecache"
21 "github.com/bradfitz/iter"
22 "github.com/stretchr/testify/assert"
23 "github.com/stretchr/testify/require"
24 "golang.org/x/time/rate"
26 "github.com/anacrolix/torrent/bencode"
27 "github.com/anacrolix/torrent/internal/testutil"
28 "github.com/anacrolix/torrent/iplist"
29 "github.com/anacrolix/torrent/metainfo"
30 "github.com/anacrolix/torrent/storage"
33 func TestingConfig() *Config {
35 ListenHost: LoopbackListenHost,
38 DisableTrackers: true,
39 NoDefaultPortForwarding: true,
44 func TestClientDefault(t *testing.T) {
45 cl, err := NewClient(TestingConfig())
46 require.NoError(t, err)
50 func TestClientNilConfig(t *testing.T) {
51 cl, err := NewClient(nil)
52 require.NoError(t, err)
56 func TestBoltPieceCompletionClosedWhenClientClosed(t *testing.T) {
57 cfg := TestingConfig()
58 pc, err := storage.NewBoltPieceCompletion(cfg.DataDir)
59 require.NoError(t, err)
60 ci := storage.NewFileWithCompletion(cfg.DataDir, pc)
62 cfg.DefaultStorage = ci
63 cl, err := NewClient(cfg)
64 require.NoError(t, err)
66 // And again, https://github.com/anacrolix/torrent/issues/158
67 cl, err = NewClient(cfg)
68 require.NoError(t, err)
72 func TestAddDropTorrent(t *testing.T) {
73 cl, err := NewClient(TestingConfig())
74 require.NoError(t, err)
76 dir, mi := testutil.GreetingTestTorrent()
77 defer os.RemoveAll(dir)
78 tt, new, err := cl.AddTorrentSpec(TorrentSpecFromMetaInfo(mi))
79 require.NoError(t, err)
81 tt.SetMaxEstablishedConns(0)
82 tt.SetMaxEstablishedConns(1)
86 func TestAddTorrentNoSupportedTrackerSchemes(t *testing.T) {
91 func TestAddTorrentNoUsableURLs(t *testing.T) {
96 func TestAddPeersToUnknownTorrent(t *testing.T) {
101 func TestPieceHashSize(t *testing.T) {
102 assert.Equal(t, 20, pieceHash.Size())
105 func TestTorrentInitialState(t *testing.T) {
106 dir, mi := testutil.GreetingTestTorrent()
107 defer os.RemoveAll(dir)
110 tor := cl.newTorrent(
112 storage.NewFileWithCompletion(tempDir(), storage.NewMapPieceCompletion()),
116 err := tor.setInfoBytes(mi.InfoBytes)
118 require.NoError(t, err)
119 require.Len(t, tor.pieces, 3)
120 tor.pendAllChunkSpecs(0)
122 assert.EqualValues(t, 3, tor.pieceNumPendingChunks(0))
124 assert.EqualValues(t, chunkSpec{4, 1}, chunkIndexSpec(2, tor.pieceLength(0), tor.chunkSize))
127 func TestUnmarshalPEXMsg(t *testing.T) {
128 var m peerExchangeMessage
129 if err := bencode.Unmarshal([]byte("d5:added12:\x01\x02\x03\x04\x05\x06\x07\x08\x09\x0a\x0b\x0ce"), &m); err != nil {
132 if len(m.Added) != 2 {
135 if m.Added[0].Port != 0x506 {
140 func TestReducedDialTimeout(t *testing.T) {
143 for _, _case := range []struct {
147 ExpectedReduced time.Duration
149 {cfg.NominalDialTimeout, 40, 0, cfg.NominalDialTimeout},
150 {cfg.NominalDialTimeout, 40, 1, cfg.NominalDialTimeout},
151 {cfg.NominalDialTimeout, 40, 39, cfg.NominalDialTimeout},
152 {cfg.NominalDialTimeout, 40, 40, cfg.NominalDialTimeout / 2},
153 {cfg.NominalDialTimeout, 40, 80, cfg.NominalDialTimeout / 3},
154 {cfg.NominalDialTimeout, 40, 4000, cfg.NominalDialTimeout / 101},
156 reduced := reducedDialTimeout(cfg.MinDialTimeout, _case.Max, _case.HalfOpenLimit, _case.PendingPeers)
157 expected := _case.ExpectedReduced
158 if expected < cfg.MinDialTimeout {
159 expected = cfg.MinDialTimeout
161 if reduced != expected {
162 t.Fatalf("expected %s, got %s", _case.ExpectedReduced, reduced)
167 func TestUTPRawConn(t *testing.T) {
168 l, err := NewUtpSocket("udp", "")
169 require.NoError(t, err)
179 // Connect a UTP peer to see if the RawConn will still work.
180 s, err := NewUtpSocket("udp", "")
181 require.NoError(t, err)
183 utpPeer, err := s.DialContext(context.Background(), "", fmt.Sprintf("localhost:%d", missinggo.AddrPort(l.Addr())))
184 require.NoError(t, err)
185 defer utpPeer.Close()
186 peer, err := net.ListenPacket("udp", ":0")
187 require.NoError(t, err)
191 // How many messages to send. I've set this to double the channel buffer
192 // size in the raw packetConn.
194 readerStopped := make(chan struct{})
195 // The reader goroutine.
197 defer close(readerStopped)
198 b := make([]byte, 500)
199 for i := 0; i < N; i++ {
200 n, _, err := l.ReadFrom(b)
201 require.NoError(t, err)
204 fmt.Sscan(string(b[:n]), &d)
205 assert.Equal(t, i, d)
208 udpAddr, err := net.ResolveUDPAddr("udp", fmt.Sprintf("localhost:%d", missinggo.AddrPort(l.Addr())))
209 require.NoError(t, err)
210 for i := 0; i < N; i++ {
211 _, err := peer.WriteTo([]byte(fmt.Sprintf("%d", i)), udpAddr)
212 require.NoError(t, err)
213 time.Sleep(time.Millisecond)
216 case <-readerStopped:
217 case <-time.After(time.Second):
218 t.Fatal("reader timed out")
220 if msgsReceived != N {
221 t.Fatalf("messages received: %d", msgsReceived)
225 func TestAddDropManyTorrents(t *testing.T) {
226 cl, err := NewClient(TestingConfig())
227 require.NoError(t, err)
229 for i := range iter.N(1000) {
231 binary.PutVarint(spec.InfoHash[:], int64(i))
232 tt, new, err := cl.AddTorrentSpec(&spec)
233 assert.NoError(t, err)
239 type FileCacheClientStorageFactoryParams struct {
242 Wrapper func(*filecache.Cache) storage.ClientImpl
245 func NewFileCacheClientStorageFactory(ps FileCacheClientStorageFactoryParams) storageFactory {
246 return func(dataDir string) storage.ClientImpl {
247 fc, err := filecache.NewCache(dataDir)
252 fc.SetCapacity(ps.Capacity)
254 return ps.Wrapper(fc)
258 type storageFactory func(string) storage.ClientImpl
260 func TestClientTransferDefault(t *testing.T) {
261 testClientTransfer(t, testClientTransferParams{
262 ExportClientStatus: true,
263 LeecherStorage: NewFileCacheClientStorageFactory(FileCacheClientStorageFactoryParams{
264 Wrapper: fileCachePieceResourceStorage,
269 func TestClientTransferRateLimitedUpload(t *testing.T) {
270 started := time.Now()
271 testClientTransfer(t, testClientTransferParams{
272 // We are uploading 13 bytes (the length of the greeting torrent). The
273 // chunks are 2 bytes in length. Then the smallest burst we can run
274 // with is 2. Time taken is (13-burst)/rate.
275 SeederUploadRateLimiter: rate.NewLimiter(11, 2),
276 ExportClientStatus: true,
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 leecherTorrent.AddClientPeer(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)
419 seederStats := seederTorrent.Stats()
420 assert.True(t, 13 <= seederStats.BytesWrittenData.Int64())
421 assert.True(t, 8 <= seederStats.ChunksWritten.Int64())
423 leecherStats := leecherTorrent.Stats()
424 assert.True(t, 13 <= leecherStats.BytesReadData.Int64())
425 assert.True(t, 8 <= leecherStats.ChunksRead.Int64())
427 // Try reading through again for the cases where the torrent data size
428 // exceeds the size of the cache.
429 assertReadAllGreeting(t, r)
432 func assertReadAllGreeting(t *testing.T, r io.ReadSeeker) {
433 pos, err := r.Seek(0, io.SeekStart)
434 assert.NoError(t, err)
435 assert.EqualValues(t, 0, pos)
436 _greeting, err := ioutil.ReadAll(r)
437 assert.NoError(t, err)
438 assert.EqualValues(t, testutil.GreetingFileContents, _greeting)
441 // Check that after completing leeching, a leecher transitions to a seeding
442 // correctly. Connected in a chain like so: Seeder <-> Leecher <-> LeecherLeecher.
443 func TestSeedAfterDownloading(t *testing.T) {
444 greetingTempDir, mi := testutil.GreetingTestTorrent()
445 defer os.RemoveAll(greetingTempDir)
446 cfg := TestingConfig()
448 cfg.DataDir = greetingTempDir
449 seeder, err := NewClient(cfg)
450 require.NoError(t, err)
452 testutil.ExportStatusWriter(seeder, "s")
453 seederTorrent, ok, err := seeder.AddTorrentSpec(TorrentSpecFromMetaInfo(mi))
454 require.NoError(t, err)
456 seederTorrent.VerifyData()
457 cfg.DataDir, err = ioutil.TempDir("", "")
458 require.NoError(t, err)
459 defer os.RemoveAll(cfg.DataDir)
460 leecher, err := NewClient(cfg)
461 require.NoError(t, err)
462 defer leecher.Close()
463 testutil.ExportStatusWriter(leecher, "l")
465 cfg.DataDir, err = ioutil.TempDir("", "")
466 require.NoError(t, err)
467 defer os.RemoveAll(cfg.DataDir)
468 leecherLeecher, _ := NewClient(cfg)
469 require.NoError(t, err)
470 defer leecherLeecher.Close()
471 testutil.ExportStatusWriter(leecherLeecher, "ll")
472 leecherGreeting, ok, err := leecher.AddTorrentSpec(func() (ret *TorrentSpec) {
473 ret = TorrentSpecFromMetaInfo(mi)
477 require.NoError(t, err)
479 llg, ok, err := leecherLeecher.AddTorrentSpec(func() (ret *TorrentSpec) {
480 ret = TorrentSpecFromMetaInfo(mi)
484 require.NoError(t, err)
486 // Simultaneously DownloadAll in Leecher, and read the contents
487 // consecutively in LeecherLeecher. This non-deterministically triggered a
488 // case where the leecher wouldn't unchoke the LeecherLeecher.
489 var wg sync.WaitGroup
495 b, err := ioutil.ReadAll(r)
496 require.NoError(t, err)
497 assert.EqualValues(t, testutil.GreetingFileContents, b)
499 done := make(chan struct{})
503 go leecherGreeting.AddClientPeer(seeder)
504 go leecherGreeting.AddClientPeer(leecherLeecher)
508 case <-time.After(time.Second):
515 leecherGreeting.DownloadAll()
521 func TestMergingTrackersByAddingSpecs(t *testing.T) {
522 cl, err := NewClient(TestingConfig())
523 require.NoError(t, err)
525 spec := TorrentSpec{}
526 T, new, _ := cl.AddTorrentSpec(&spec)
530 spec.Trackers = [][]string{{"http://a"}, {"udp://b"}}
531 _, new, _ = cl.AddTorrentSpec(&spec)
533 assert.EqualValues(t, [][]string{{"http://a"}, {"udp://b"}}, T.metainfo.AnnounceList)
534 // Because trackers are disabled in TestingConfig.
535 assert.EqualValues(t, 0, len(T.trackerAnnouncers))
538 // We read from a piece which is marked completed, but is missing data.
539 func TestCompletedPieceWrongSize(t *testing.T) {
540 cfg := TestingConfig()
541 cfg.DefaultStorage = badStorage{}
542 cl, err := NewClient(cfg)
543 require.NoError(t, err)
545 info := metainfo.Info{
547 Pieces: make([]byte, 20),
548 Files: []metainfo.FileInfo{
549 {Path: []string{"greeting"}, Length: 13},
552 b, err := bencode.Marshal(info)
553 require.NoError(t, err)
554 tt, new, err := cl.AddTorrentSpec(&TorrentSpec{
556 InfoHash: metainfo.HashBytes(b),
558 require.NoError(t, err)
563 b, err = ioutil.ReadAll(r)
565 assert.NoError(t, err)
568 func BenchmarkAddLargeTorrent(b *testing.B) {
569 cfg := TestingConfig()
570 cfg.DisableTCP = true
571 cfg.DisableUTP = true
572 cfg.ListenHost = func(string) string { return "redonk" }
573 cl, err := NewClient(cfg)
574 require.NoError(b, err)
576 for range iter.N(b.N) {
577 t, err := cl.AddTorrentFromFile("testdata/bootstrap.dat.torrent")
585 func TestResponsive(t *testing.T) {
586 seederDataDir, mi := testutil.GreetingTestTorrent()
587 defer os.RemoveAll(seederDataDir)
588 cfg := TestingConfig()
590 cfg.DataDir = seederDataDir
591 seeder, err := NewClient(cfg)
594 seederTorrent, _, _ := seeder.AddTorrentSpec(TorrentSpecFromMetaInfo(mi))
595 seederTorrent.VerifyData()
596 leecherDataDir, err := ioutil.TempDir("", "")
598 defer os.RemoveAll(leecherDataDir)
599 cfg = TestingConfig()
600 cfg.DataDir = leecherDataDir
601 leecher, err := NewClient(cfg)
603 defer leecher.Close()
604 leecherTorrent, _, _ := leecher.AddTorrentSpec(func() (ret *TorrentSpec) {
605 ret = TorrentSpecFromMetaInfo(mi)
609 leecherTorrent.AddClientPeer(seeder)
610 reader := leecherTorrent.NewReader()
612 reader.SetReadahead(0)
613 reader.SetResponsive()
615 _, err = reader.Seek(3, io.SeekStart)
616 require.NoError(t, err)
617 _, err = io.ReadFull(reader, b)
619 assert.EqualValues(t, "lo", string(b))
620 _, err = reader.Seek(11, io.SeekStart)
621 require.NoError(t, err)
622 n, err := io.ReadFull(reader, b)
624 assert.EqualValues(t, 2, n)
625 assert.EqualValues(t, "d\n", string(b))
628 func TestTorrentDroppedDuringResponsiveRead(t *testing.T) {
629 seederDataDir, mi := testutil.GreetingTestTorrent()
630 defer os.RemoveAll(seederDataDir)
631 cfg := TestingConfig()
633 cfg.DataDir = seederDataDir
634 seeder, err := NewClient(cfg)
637 seederTorrent, _, _ := seeder.AddTorrentSpec(TorrentSpecFromMetaInfo(mi))
638 seederTorrent.VerifyData()
639 leecherDataDir, err := ioutil.TempDir("", "")
641 defer os.RemoveAll(leecherDataDir)
642 cfg = TestingConfig()
643 cfg.DataDir = leecherDataDir
644 leecher, err := NewClient(cfg)
646 defer leecher.Close()
647 leecherTorrent, _, _ := leecher.AddTorrentSpec(func() (ret *TorrentSpec) {
648 ret = TorrentSpecFromMetaInfo(mi)
652 leecherTorrent.AddClientPeer(seeder)
653 reader := leecherTorrent.NewReader()
655 reader.SetReadahead(0)
656 reader.SetResponsive()
658 _, err = reader.Seek(3, io.SeekStart)
659 require.NoError(t, err)
660 _, err = io.ReadFull(reader, b)
662 assert.EqualValues(t, "lo", string(b))
663 go leecherTorrent.Drop()
664 _, err = reader.Seek(11, io.SeekStart)
665 require.NoError(t, err)
666 n, err := reader.Read(b)
667 assert.EqualError(t, err, "torrent closed")
668 assert.EqualValues(t, 0, n)
671 func TestDHTInheritBlocklist(t *testing.T) {
672 ipl := iplist.New(nil)
673 require.NotNil(t, ipl)
674 cfg := TestingConfig()
675 cfg.IPBlocklist = ipl
677 cl, err := NewClient(cfg)
678 require.NoError(t, err)
681 cl.eachDhtServer(func(s *dht.Server) {
682 assert.Equal(t, ipl, s.IPBlocklist())
685 assert.EqualValues(t, 2, numServers)
688 // Check that stuff is merged in subsequent AddTorrentSpec for the same
690 func TestAddTorrentSpecMerging(t *testing.T) {
691 cl, err := NewClient(TestingConfig())
692 require.NoError(t, err)
694 dir, mi := testutil.GreetingTestTorrent()
695 defer os.RemoveAll(dir)
696 tt, new, err := cl.AddTorrentSpec(&TorrentSpec{
697 InfoHash: mi.HashInfoBytes(),
699 require.NoError(t, err)
701 require.Nil(t, tt.Info())
702 _, new, err = cl.AddTorrentSpec(TorrentSpecFromMetaInfo(mi))
703 require.NoError(t, err)
704 require.False(t, new)
705 require.NotNil(t, tt.Info())
708 func TestTorrentDroppedBeforeGotInfo(t *testing.T) {
709 dir, mi := testutil.GreetingTestTorrent()
711 cl, _ := NewClient(TestingConfig())
713 tt, _, _ := cl.AddTorrentSpec(&TorrentSpec{
714 InfoHash: mi.HashInfoBytes(),
717 assert.EqualValues(t, 0, len(cl.Torrents()))
725 func writeTorrentData(ts *storage.Torrent, info metainfo.Info, b []byte) {
726 for i := range iter.N(info.NumPieces()) {
728 ts.Piece(p).WriteAt(b[p.Offset():p.Offset()+p.Length()], 0)
732 func testAddTorrentPriorPieceCompletion(t *testing.T, alreadyCompleted bool, csf func(*filecache.Cache) storage.ClientImpl) {
733 fileCacheDir, err := ioutil.TempDir("", "")
734 require.NoError(t, err)
735 defer os.RemoveAll(fileCacheDir)
736 fileCache, err := filecache.NewCache(fileCacheDir)
737 require.NoError(t, err)
738 greetingDataTempDir, greetingMetainfo := testutil.GreetingTestTorrent()
739 defer os.RemoveAll(greetingDataTempDir)
740 filePieceStore := csf(fileCache)
741 defer filePieceStore.Close()
742 info, err := greetingMetainfo.UnmarshalInfo()
743 require.NoError(t, err)
744 ih := greetingMetainfo.HashInfoBytes()
745 greetingData, err := storage.NewClient(filePieceStore).OpenTorrent(&info, ih)
746 require.NoError(t, err)
747 writeTorrentData(greetingData, info, []byte(testutil.GreetingFileContents))
748 // require.Equal(t, len(testutil.GreetingFileContents), written)
749 // require.NoError(t, err)
750 for i := 0; i < info.NumPieces(); i++ {
752 if alreadyCompleted {
753 require.NoError(t, greetingData.Piece(p).MarkComplete())
756 cfg := TestingConfig()
757 // TODO: Disable network option?
758 cfg.DisableTCP = true
759 cfg.DisableUTP = true
760 cfg.DefaultStorage = filePieceStore
761 cl, err := NewClient(cfg)
762 require.NoError(t, err)
764 tt, err := cl.AddTorrent(greetingMetainfo)
765 require.NoError(t, err)
766 psrs := tt.PieceStateRuns()
767 assert.Len(t, psrs, 1)
768 assert.EqualValues(t, 3, psrs[0].Length)
769 assert.Equal(t, alreadyCompleted, psrs[0].Complete)
770 if alreadyCompleted {
772 b, err := ioutil.ReadAll(r)
773 assert.NoError(t, err)
774 assert.EqualValues(t, testutil.GreetingFileContents, b)
778 func TestAddTorrentPiecesAlreadyCompleted(t *testing.T) {
779 testAddTorrentPriorPieceCompletion(t, true, fileCachePieceResourceStorage)
782 func TestAddTorrentPiecesNotAlreadyCompleted(t *testing.T) {
783 testAddTorrentPriorPieceCompletion(t, false, fileCachePieceResourceStorage)
786 func TestAddMetainfoWithNodes(t *testing.T) {
787 cfg := TestingConfig()
788 cfg.ListenHost = func(string) string { return "" }
790 cfg.DhtStartingNodes = func() ([]dht.Addr, error) { return nil, nil }
791 // For now, we want to just jam the nodes into the table, without
792 // verifying them first. Also the DHT code doesn't support mixing secure
793 // and insecure nodes if security is enabled (yet).
794 // cfg.DHTConfig.NoSecurity = true
795 cl, err := NewClient(cfg)
796 require.NoError(t, err)
798 sum := func() (ret int64) {
799 cl.eachDhtServer(func(s *dht.Server) {
800 ret += s.Stats().OutboundQueriesAttempted
804 assert.EqualValues(t, 0, sum())
805 tt, err := cl.AddTorrentFromFile("metainfo/testdata/issue_65a.torrent")
806 require.NoError(t, err)
807 // Nodes are not added or exposed in Torrent's metainfo. We just randomly
808 // check if the announce-list is here instead. TODO: Add nodes.
809 assert.Len(t, tt.metainfo.AnnounceList, 5)
810 // There are 6 nodes in the torrent file.
811 assert.EqualValues(t, 6*len(cl.dhtServers), sum())
814 type testDownloadCancelParams struct {
815 SetLeecherStorageCapacity bool
816 LeecherStorageCapacity int64
820 func testDownloadCancel(t *testing.T, ps testDownloadCancelParams) {
821 greetingTempDir, mi := testutil.GreetingTestTorrent()
822 defer os.RemoveAll(greetingTempDir)
823 cfg := TestingConfig()
825 cfg.DataDir = greetingTempDir
826 seeder, err := NewClient(cfg)
827 require.NoError(t, err)
829 testutil.ExportStatusWriter(seeder, "s")
830 seederTorrent, _, _ := seeder.AddTorrentSpec(TorrentSpecFromMetaInfo(mi))
831 seederTorrent.VerifyData()
832 leecherDataDir, err := ioutil.TempDir("", "")
833 require.NoError(t, err)
834 defer os.RemoveAll(leecherDataDir)
835 fc, err := filecache.NewCache(leecherDataDir)
836 require.NoError(t, err)
837 if ps.SetLeecherStorageCapacity {
838 fc.SetCapacity(ps.LeecherStorageCapacity)
840 cfg.DefaultStorage = storage.NewResourcePieces(fc.AsResourceProvider())
841 cfg.DataDir = leecherDataDir
842 leecher, _ := NewClient(cfg)
843 defer leecher.Close()
844 testutil.ExportStatusWriter(leecher, "l")
845 leecherGreeting, new, err := leecher.AddTorrentSpec(func() (ret *TorrentSpec) {
846 ret = TorrentSpecFromMetaInfo(mi)
850 require.NoError(t, err)
852 psc := leecherGreeting.SubscribePieceStateChanges()
855 leecherGreeting.cl.mu.Lock()
856 leecherGreeting.downloadPiecesLocked(0, leecherGreeting.numPieces())
858 leecherGreeting.cancelPiecesLocked(0, leecherGreeting.NumPieces())
860 leecherGreeting.cl.mu.Unlock()
861 done := make(chan struct{})
865 leecherGreeting.AddClientPeer(seeder)
869 case <-time.After(time.Second):
873 completes := make(map[int]bool, 3)
874 expected := func() map[int]bool {
876 return map[int]bool{0: false, 1: false, 2: false}
878 return map[int]bool{0: true, 1: true, 2: true}
881 for !reflect.DeepEqual(completes, expected) {
883 case _v := <-psc.Values:
884 v := _v.(PieceStateChange)
885 completes[v.Index] = v.Complete
890 func TestTorrentDownloadAll(t *testing.T) {
891 testDownloadCancel(t, testDownloadCancelParams{})
894 func TestTorrentDownloadAllThenCancel(t *testing.T) {
895 testDownloadCancel(t, testDownloadCancelParams{
900 // Ensure that it's an error for a peer to send an invalid have message.
901 func TestPeerInvalidHave(t *testing.T) {
902 cl, err := NewClient(TestingConfig())
903 require.NoError(t, err)
905 info := metainfo.Info{
907 Pieces: make([]byte, 20),
908 Files: []metainfo.FileInfo{{Length: 1}},
910 infoBytes, err := bencode.Marshal(info)
911 require.NoError(t, err)
912 tt, _new, err := cl.AddTorrentSpec(&TorrentSpec{
913 InfoBytes: infoBytes,
914 InfoHash: metainfo.HashBytes(infoBytes),
915 Storage: badStorage{},
917 require.NoError(t, err)
923 assert.NoError(t, cn.peerSentHave(0))
924 assert.Error(t, cn.peerSentHave(1))
927 func TestPieceCompletedInStorageButNotClient(t *testing.T) {
928 greetingTempDir, greetingMetainfo := testutil.GreetingTestTorrent()
929 defer os.RemoveAll(greetingTempDir)
930 cfg := TestingConfig()
931 cfg.DataDir = greetingTempDir
932 seeder, err := NewClient(TestingConfig())
933 require.NoError(t, err)
934 seeder.AddTorrentSpec(&TorrentSpec{
935 InfoBytes: greetingMetainfo.InfoBytes,
939 // Check that when the listen port is 0, all the protocols listened on have
940 // the same port, and it isn't zero.
941 func TestClientDynamicListenPortAllProtocols(t *testing.T) {
942 cl, err := NewClient(TestingConfig())
943 require.NoError(t, err)
945 port := cl.LocalPort()
946 assert.NotEqual(t, 0, port)
947 cl.eachListener(func(s socket) bool {
948 assert.Equal(t, port, missinggo.AddrPort(s.Addr()))
953 func TestClientDynamicListenTCPOnly(t *testing.T) {
954 cfg := TestingConfig()
955 cfg.DisableUTP = true
956 cl, err := NewClient(cfg)
957 require.NoError(t, err)
959 assert.NotEqual(t, 0, cl.LocalPort())
960 cl.eachListener(func(s socket) bool {
961 assert.True(t, isTcpNetwork(s.Addr().Network()))
966 func TestClientDynamicListenUTPOnly(t *testing.T) {
967 cfg := TestingConfig()
968 cfg.DisableTCP = true
969 cl, err := NewClient(cfg)
970 require.NoError(t, err)
972 assert.NotEqual(t, 0, cl.LocalPort())
973 cl.eachListener(func(s socket) bool {
974 assert.True(t, isUtpNetwork(s.Addr().Network()))
979 func TestClientDynamicListenPortNoProtocols(t *testing.T) {
980 cfg := TestingConfig()
981 cfg.DisableTCP = true
982 cfg.DisableUTP = true
983 cl, err := NewClient(cfg)
984 require.NoError(t, err)
986 assert.Equal(t, 0, cl.LocalPort())
989 func totalConns(tts []*Torrent) (ret int) {
990 for _, tt := range tts {
998 func TestSetMaxEstablishedConn(t *testing.T) {
999 ss := testutil.NewStatusServer(t)
1002 ih := testutil.GreetingMetaInfo().HashInfoBytes()
1003 for i := range iter.N(3) {
1004 cl, err := NewClient(TestingConfig())
1005 require.NoError(t, err)
1007 tt, _ := cl.AddTorrentInfoHash(ih)
1008 tt.SetMaxEstablishedConns(2)
1009 ss.HandleStatusWriter(cl, fmt.Sprintf("/%d", i))
1010 tts = append(tts, tt)
1012 addPeers := func() {
1013 for _, tt := range tts {
1014 for _, _tt := range tts {
1016 tt.AddClientPeer(_tt.cl)
1021 waitTotalConns := func(num int) {
1022 for totalConns(tts) != num {
1024 time.Sleep(time.Millisecond)
1029 tts[0].SetMaxEstablishedConns(1)
1031 tts[0].SetMaxEstablishedConns(0)
1033 tts[0].SetMaxEstablishedConns(1)
1036 tts[0].SetMaxEstablishedConns(2)
1041 func makeMagnet(t *testing.T, cl *Client, dir string, name string) string {
1042 os.MkdirAll(dir, 0770)
1043 file, err := os.Create(filepath.Join(dir, name))
1044 require.NoError(t, err)
1045 file.Write([]byte(name))
1047 mi := metainfo.MetaInfo{}
1049 info := metainfo.Info{PieceLength: 256 * 1024}
1050 err = info.BuildFromFilePath(filepath.Join(dir, name))
1051 require.NoError(t, err)
1052 mi.InfoBytes, err = bencode.Marshal(info)
1053 require.NoError(t, err)
1054 magnet := mi.Magnet(name, mi.HashInfoBytes()).String()
1055 tr, err := cl.AddTorrent(&mi)
1056 require.NoError(t, err)
1057 require.True(t, tr.Seeding())
1062 // https://github.com/anacrolix/torrent/issues/114
1063 func TestMultipleTorrentsWithEncryption(t *testing.T) {
1064 cfg := TestingConfig()
1065 cfg.DisableUTP = true
1067 cfg.DataDir = filepath.Join(cfg.DataDir, "server")
1068 cfg.ForceEncryption = true
1069 os.Mkdir(cfg.DataDir, 0755)
1070 server, err := NewClient(cfg)
1071 require.NoError(t, err)
1072 defer server.Close()
1073 testutil.ExportStatusWriter(server, "s")
1074 magnet1 := makeMagnet(t, server, cfg.DataDir, "test1")
1075 makeMagnet(t, server, cfg.DataDir, "test2")
1076 cfg = TestingConfig()
1077 cfg.DisableUTP = true
1078 cfg.DataDir = filepath.Join(cfg.DataDir, "client")
1079 cfg.ForceEncryption = true
1080 client, err := NewClient(cfg)
1081 require.NoError(t, err)
1082 defer client.Close()
1083 testutil.ExportStatusWriter(client, "c")
1084 tr, err := client.AddMagnet(magnet1)
1085 require.NoError(t, err)
1086 tr.AddClientPeer(server)
1092 func TestClientAddressInUse(t *testing.T) {
1093 s, _ := NewUtpSocket("udp", ":50007")
1097 cfg := TestingConfig().SetListenAddr(":50007")
1098 cl, err := NewClient(cfg)
1099 require.Error(t, err)