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)
418 assert.True(t, 13 <= seederTorrent.Stats().BytesWrittenData)
419 assert.True(t, 8 <= seederTorrent.Stats().ChunksWritten)
420 assert.True(t, 13 <= leecherTorrent.Stats().BytesReadData)
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, ok, err := seeder.AddTorrentSpec(TorrentSpecFromMetaInfo(mi))
449 require.NoError(t, err)
451 seederTorrent.VerifyData()
452 cfg.DataDir, err = ioutil.TempDir("", "")
453 require.NoError(t, err)
454 defer os.RemoveAll(cfg.DataDir)
455 leecher, err := NewClient(cfg)
456 require.NoError(t, err)
457 defer leecher.Close()
458 testutil.ExportStatusWriter(leecher, "l")
460 cfg.DataDir, err = ioutil.TempDir("", "")
461 require.NoError(t, err)
462 defer os.RemoveAll(cfg.DataDir)
463 leecherLeecher, _ := NewClient(cfg)
464 require.NoError(t, err)
465 defer leecherLeecher.Close()
466 testutil.ExportStatusWriter(leecherLeecher, "ll")
467 leecherGreeting, ok, err := leecher.AddTorrentSpec(func() (ret *TorrentSpec) {
468 ret = TorrentSpecFromMetaInfo(mi)
472 require.NoError(t, err)
474 llg, ok, err := leecherLeecher.AddTorrentSpec(func() (ret *TorrentSpec) {
475 ret = TorrentSpecFromMetaInfo(mi)
479 require.NoError(t, err)
481 // Simultaneously DownloadAll in Leecher, and read the contents
482 // consecutively in LeecherLeecher. This non-deterministically triggered a
483 // case where the leecher wouldn't unchoke the LeecherLeecher.
484 var wg sync.WaitGroup
490 b, err := ioutil.ReadAll(r)
491 require.NoError(t, err)
492 assert.EqualValues(t, testutil.GreetingFileContents, b)
494 done := make(chan struct{})
498 go leecherGreeting.AddClientPeer(seeder)
499 go leecherGreeting.AddClientPeer(leecherLeecher)
503 case <-time.After(time.Second):
510 leecherGreeting.DownloadAll()
516 func TestMergingTrackersByAddingSpecs(t *testing.T) {
517 cl, err := NewClient(TestingConfig())
518 require.NoError(t, err)
520 spec := TorrentSpec{}
521 T, new, _ := cl.AddTorrentSpec(&spec)
525 spec.Trackers = [][]string{{"http://a"}, {"udp://b"}}
526 _, new, _ = cl.AddTorrentSpec(&spec)
528 assert.EqualValues(t, [][]string{{"http://a"}, {"udp://b"}}, T.metainfo.AnnounceList)
529 // Because trackers are disabled in TestingConfig.
530 assert.EqualValues(t, 0, len(T.trackerAnnouncers))
533 // We read from a piece which is marked completed, but is missing data.
534 func TestCompletedPieceWrongSize(t *testing.T) {
535 cfg := TestingConfig()
536 cfg.DefaultStorage = badStorage{}
537 cl, err := NewClient(cfg)
538 require.NoError(t, err)
540 info := metainfo.Info{
542 Pieces: make([]byte, 20),
543 Files: []metainfo.FileInfo{
544 {Path: []string{"greeting"}, Length: 13},
547 b, err := bencode.Marshal(info)
548 require.NoError(t, err)
549 tt, new, err := cl.AddTorrentSpec(&TorrentSpec{
551 InfoHash: metainfo.HashBytes(b),
553 require.NoError(t, err)
558 b, err = ioutil.ReadAll(r)
560 assert.NoError(t, err)
563 func BenchmarkAddLargeTorrent(b *testing.B) {
564 cfg := TestingConfig()
565 cfg.DisableTCP = true
566 cfg.DisableUTP = true
567 cfg.ListenHost = func(string) string { return "redonk" }
568 cl, err := NewClient(cfg)
569 require.NoError(b, err)
571 for range iter.N(b.N) {
572 t, err := cl.AddTorrentFromFile("testdata/bootstrap.dat.torrent")
580 func TestResponsive(t *testing.T) {
581 seederDataDir, mi := testutil.GreetingTestTorrent()
582 defer os.RemoveAll(seederDataDir)
583 cfg := TestingConfig()
585 cfg.DataDir = seederDataDir
586 seeder, err := NewClient(cfg)
589 seederTorrent, _, _ := seeder.AddTorrentSpec(TorrentSpecFromMetaInfo(mi))
590 seederTorrent.VerifyData()
591 leecherDataDir, err := ioutil.TempDir("", "")
593 defer os.RemoveAll(leecherDataDir)
594 cfg = TestingConfig()
595 cfg.DataDir = leecherDataDir
596 leecher, err := NewClient(cfg)
598 defer leecher.Close()
599 leecherTorrent, _, _ := leecher.AddTorrentSpec(func() (ret *TorrentSpec) {
600 ret = TorrentSpecFromMetaInfo(mi)
604 leecherTorrent.AddClientPeer(seeder)
605 reader := leecherTorrent.NewReader()
607 reader.SetReadahead(0)
608 reader.SetResponsive()
610 _, err = reader.Seek(3, io.SeekStart)
611 require.NoError(t, err)
612 _, err = io.ReadFull(reader, b)
614 assert.EqualValues(t, "lo", string(b))
615 _, err = reader.Seek(11, io.SeekStart)
616 require.NoError(t, err)
617 n, err := io.ReadFull(reader, b)
619 assert.EqualValues(t, 2, n)
620 assert.EqualValues(t, "d\n", string(b))
623 func TestTorrentDroppedDuringResponsiveRead(t *testing.T) {
624 seederDataDir, mi := testutil.GreetingTestTorrent()
625 defer os.RemoveAll(seederDataDir)
626 cfg := TestingConfig()
628 cfg.DataDir = seederDataDir
629 seeder, err := NewClient(cfg)
632 seederTorrent, _, _ := seeder.AddTorrentSpec(TorrentSpecFromMetaInfo(mi))
633 seederTorrent.VerifyData()
634 leecherDataDir, err := ioutil.TempDir("", "")
636 defer os.RemoveAll(leecherDataDir)
637 cfg = TestingConfig()
638 cfg.DataDir = leecherDataDir
639 leecher, err := NewClient(cfg)
641 defer leecher.Close()
642 leecherTorrent, _, _ := leecher.AddTorrentSpec(func() (ret *TorrentSpec) {
643 ret = TorrentSpecFromMetaInfo(mi)
647 leecherTorrent.AddClientPeer(seeder)
648 reader := leecherTorrent.NewReader()
650 reader.SetReadahead(0)
651 reader.SetResponsive()
653 _, err = reader.Seek(3, io.SeekStart)
654 require.NoError(t, err)
655 _, err = io.ReadFull(reader, b)
657 assert.EqualValues(t, "lo", string(b))
658 go leecherTorrent.Drop()
659 _, err = reader.Seek(11, io.SeekStart)
660 require.NoError(t, err)
661 n, err := reader.Read(b)
662 assert.EqualError(t, err, "torrent closed")
663 assert.EqualValues(t, 0, n)
666 func TestDHTInheritBlocklist(t *testing.T) {
667 ipl := iplist.New(nil)
668 require.NotNil(t, ipl)
669 cfg := TestingConfig()
670 cfg.IPBlocklist = ipl
672 cl, err := NewClient(cfg)
673 require.NoError(t, err)
676 cl.eachDhtServer(func(s *dht.Server) {
677 assert.Equal(t, ipl, s.IPBlocklist())
680 assert.EqualValues(t, 2, numServers)
683 // Check that stuff is merged in subsequent AddTorrentSpec for the same
685 func TestAddTorrentSpecMerging(t *testing.T) {
686 cl, err := NewClient(TestingConfig())
687 require.NoError(t, err)
689 dir, mi := testutil.GreetingTestTorrent()
690 defer os.RemoveAll(dir)
691 tt, new, err := cl.AddTorrentSpec(&TorrentSpec{
692 InfoHash: mi.HashInfoBytes(),
694 require.NoError(t, err)
696 require.Nil(t, tt.Info())
697 _, new, err = cl.AddTorrentSpec(TorrentSpecFromMetaInfo(mi))
698 require.NoError(t, err)
699 require.False(t, new)
700 require.NotNil(t, tt.Info())
703 func TestTorrentDroppedBeforeGotInfo(t *testing.T) {
704 dir, mi := testutil.GreetingTestTorrent()
706 cl, _ := NewClient(TestingConfig())
708 tt, _, _ := cl.AddTorrentSpec(&TorrentSpec{
709 InfoHash: mi.HashInfoBytes(),
712 assert.EqualValues(t, 0, len(cl.Torrents()))
720 func writeTorrentData(ts *storage.Torrent, info metainfo.Info, b []byte) {
721 for i := range iter.N(info.NumPieces()) {
723 ts.Piece(p).WriteAt(b[p.Offset():p.Offset()+p.Length()], 0)
727 func testAddTorrentPriorPieceCompletion(t *testing.T, alreadyCompleted bool, csf func(*filecache.Cache) storage.ClientImpl) {
728 fileCacheDir, err := ioutil.TempDir("", "")
729 require.NoError(t, err)
730 defer os.RemoveAll(fileCacheDir)
731 fileCache, err := filecache.NewCache(fileCacheDir)
732 require.NoError(t, err)
733 greetingDataTempDir, greetingMetainfo := testutil.GreetingTestTorrent()
734 defer os.RemoveAll(greetingDataTempDir)
735 filePieceStore := csf(fileCache)
736 defer filePieceStore.Close()
737 info, err := greetingMetainfo.UnmarshalInfo()
738 require.NoError(t, err)
739 ih := greetingMetainfo.HashInfoBytes()
740 greetingData, err := storage.NewClient(filePieceStore).OpenTorrent(&info, ih)
741 require.NoError(t, err)
742 writeTorrentData(greetingData, info, []byte(testutil.GreetingFileContents))
743 // require.Equal(t, len(testutil.GreetingFileContents), written)
744 // require.NoError(t, err)
745 for i := 0; i < info.NumPieces(); i++ {
747 if alreadyCompleted {
748 require.NoError(t, greetingData.Piece(p).MarkComplete())
751 cfg := TestingConfig()
752 // TODO: Disable network option?
753 cfg.DisableTCP = true
754 cfg.DisableUTP = true
755 cfg.DefaultStorage = filePieceStore
756 cl, err := NewClient(cfg)
757 require.NoError(t, err)
759 tt, err := cl.AddTorrent(greetingMetainfo)
760 require.NoError(t, err)
761 psrs := tt.PieceStateRuns()
762 assert.Len(t, psrs, 1)
763 assert.EqualValues(t, 3, psrs[0].Length)
764 assert.Equal(t, alreadyCompleted, psrs[0].Complete)
765 if alreadyCompleted {
767 b, err := ioutil.ReadAll(r)
768 assert.NoError(t, err)
769 assert.EqualValues(t, testutil.GreetingFileContents, b)
773 func TestAddTorrentPiecesAlreadyCompleted(t *testing.T) {
774 testAddTorrentPriorPieceCompletion(t, true, fileCachePieceResourceStorage)
777 func TestAddTorrentPiecesNotAlreadyCompleted(t *testing.T) {
778 testAddTorrentPriorPieceCompletion(t, false, fileCachePieceResourceStorage)
781 func TestAddMetainfoWithNodes(t *testing.T) {
782 cfg := TestingConfig()
783 cfg.ListenHost = func(string) string { return "" }
785 cfg.DhtStartingNodes = func() ([]dht.Addr, error) { return nil, nil }
786 // For now, we want to just jam the nodes into the table, without
787 // verifying them first. Also the DHT code doesn't support mixing secure
788 // and insecure nodes if security is enabled (yet).
789 // cfg.DHTConfig.NoSecurity = true
790 cl, err := NewClient(cfg)
791 require.NoError(t, err)
793 sum := func() (ret int64) {
794 cl.eachDhtServer(func(s *dht.Server) {
795 ret += s.Stats().OutboundQueriesAttempted
799 assert.EqualValues(t, 0, sum())
800 tt, err := cl.AddTorrentFromFile("metainfo/testdata/issue_65a.torrent")
801 require.NoError(t, err)
802 // Nodes are not added or exposed in Torrent's metainfo. We just randomly
803 // check if the announce-list is here instead. TODO: Add nodes.
804 assert.Len(t, tt.metainfo.AnnounceList, 5)
805 // There are 6 nodes in the torrent file.
806 assert.EqualValues(t, 6*len(cl.dhtServers), sum())
809 type testDownloadCancelParams struct {
810 SetLeecherStorageCapacity bool
811 LeecherStorageCapacity int64
815 func testDownloadCancel(t *testing.T, ps testDownloadCancelParams) {
816 greetingTempDir, mi := testutil.GreetingTestTorrent()
817 defer os.RemoveAll(greetingTempDir)
818 cfg := TestingConfig()
820 cfg.DataDir = greetingTempDir
821 seeder, err := NewClient(cfg)
822 require.NoError(t, err)
824 testutil.ExportStatusWriter(seeder, "s")
825 seederTorrent, _, _ := seeder.AddTorrentSpec(TorrentSpecFromMetaInfo(mi))
826 seederTorrent.VerifyData()
827 leecherDataDir, err := ioutil.TempDir("", "")
828 require.NoError(t, err)
829 defer os.RemoveAll(leecherDataDir)
830 fc, err := filecache.NewCache(leecherDataDir)
831 require.NoError(t, err)
832 if ps.SetLeecherStorageCapacity {
833 fc.SetCapacity(ps.LeecherStorageCapacity)
835 cfg.DefaultStorage = storage.NewResourcePieces(fc.AsResourceProvider())
836 cfg.DataDir = leecherDataDir
837 leecher, _ := NewClient(cfg)
838 defer leecher.Close()
839 testutil.ExportStatusWriter(leecher, "l")
840 leecherGreeting, new, err := leecher.AddTorrentSpec(func() (ret *TorrentSpec) {
841 ret = TorrentSpecFromMetaInfo(mi)
845 require.NoError(t, err)
847 psc := leecherGreeting.SubscribePieceStateChanges()
850 leecherGreeting.cl.mu.Lock()
851 leecherGreeting.downloadPiecesLocked(0, leecherGreeting.numPieces())
853 leecherGreeting.cancelPiecesLocked(0, leecherGreeting.NumPieces())
855 leecherGreeting.cl.mu.Unlock()
856 done := make(chan struct{})
860 leecherGreeting.AddClientPeer(seeder)
864 case <-time.After(time.Second):
868 completes := make(map[int]bool, 3)
869 expected := func() map[int]bool {
871 return map[int]bool{0: false, 1: false, 2: false}
873 return map[int]bool{0: true, 1: true, 2: true}
876 for !reflect.DeepEqual(completes, expected) {
878 case _v := <-psc.Values:
879 v := _v.(PieceStateChange)
880 completes[v.Index] = v.Complete
885 func TestTorrentDownloadAll(t *testing.T) {
886 testDownloadCancel(t, testDownloadCancelParams{})
889 func TestTorrentDownloadAllThenCancel(t *testing.T) {
890 testDownloadCancel(t, testDownloadCancelParams{
895 // Ensure that it's an error for a peer to send an invalid have message.
896 func TestPeerInvalidHave(t *testing.T) {
897 cl, err := NewClient(TestingConfig())
898 require.NoError(t, err)
900 info := metainfo.Info{
902 Pieces: make([]byte, 20),
903 Files: []metainfo.FileInfo{{Length: 1}},
905 infoBytes, err := bencode.Marshal(info)
906 require.NoError(t, err)
907 tt, _new, err := cl.AddTorrentSpec(&TorrentSpec{
908 InfoBytes: infoBytes,
909 InfoHash: metainfo.HashBytes(infoBytes),
910 Storage: badStorage{},
912 require.NoError(t, err)
918 assert.NoError(t, cn.peerSentHave(0))
919 assert.Error(t, cn.peerSentHave(1))
922 func TestPieceCompletedInStorageButNotClient(t *testing.T) {
923 greetingTempDir, greetingMetainfo := testutil.GreetingTestTorrent()
924 defer os.RemoveAll(greetingTempDir)
925 cfg := TestingConfig()
926 cfg.DataDir = greetingTempDir
927 seeder, err := NewClient(TestingConfig())
928 require.NoError(t, err)
929 seeder.AddTorrentSpec(&TorrentSpec{
930 InfoBytes: greetingMetainfo.InfoBytes,
934 // Check that when the listen port is 0, all the protocols listened on have
935 // the same port, and it isn't zero.
936 func TestClientDynamicListenPortAllProtocols(t *testing.T) {
937 cl, err := NewClient(TestingConfig())
938 require.NoError(t, err)
940 port := cl.LocalPort()
941 assert.NotEqual(t, 0, port)
942 cl.eachListener(func(s socket) bool {
943 assert.Equal(t, port, missinggo.AddrPort(s.Addr()))
948 func TestClientDynamicListenTCPOnly(t *testing.T) {
949 cfg := TestingConfig()
950 cfg.DisableUTP = true
951 cl, err := NewClient(cfg)
952 require.NoError(t, err)
954 assert.NotEqual(t, 0, cl.LocalPort())
955 cl.eachListener(func(s socket) bool {
956 assert.True(t, isTcpNetwork(s.Addr().Network()))
961 func TestClientDynamicListenUTPOnly(t *testing.T) {
962 cfg := TestingConfig()
963 cfg.DisableTCP = true
964 cl, err := NewClient(cfg)
965 require.NoError(t, err)
967 assert.NotEqual(t, 0, cl.LocalPort())
968 cl.eachListener(func(s socket) bool {
969 assert.True(t, isUtpNetwork(s.Addr().Network()))
974 func TestClientDynamicListenPortNoProtocols(t *testing.T) {
975 cfg := TestingConfig()
976 cfg.DisableTCP = true
977 cfg.DisableUTP = true
978 cl, err := NewClient(cfg)
979 require.NoError(t, err)
981 assert.Equal(t, 0, cl.LocalPort())
984 func totalConns(tts []*Torrent) (ret int) {
985 for _, tt := range tts {
993 func TestSetMaxEstablishedConn(t *testing.T) {
994 ss := testutil.NewStatusServer(t)
997 ih := testutil.GreetingMetaInfo().HashInfoBytes()
998 for i := range iter.N(3) {
999 cl, err := NewClient(TestingConfig())
1000 require.NoError(t, err)
1002 tt, _ := cl.AddTorrentInfoHash(ih)
1003 tt.SetMaxEstablishedConns(2)
1004 ss.HandleStatusWriter(cl, fmt.Sprintf("/%d", i))
1005 tts = append(tts, tt)
1007 addPeers := func() {
1008 for _, tt := range tts {
1009 for _, _tt := range tts {
1011 tt.AddClientPeer(_tt.cl)
1016 waitTotalConns := func(num int) {
1017 for totalConns(tts) != num {
1019 time.Sleep(time.Millisecond)
1024 tts[0].SetMaxEstablishedConns(1)
1026 tts[0].SetMaxEstablishedConns(0)
1028 tts[0].SetMaxEstablishedConns(1)
1031 tts[0].SetMaxEstablishedConns(2)
1036 func makeMagnet(t *testing.T, cl *Client, dir string, name string) string {
1037 os.MkdirAll(dir, 0770)
1038 file, err := os.Create(filepath.Join(dir, name))
1039 require.NoError(t, err)
1040 file.Write([]byte(name))
1042 mi := metainfo.MetaInfo{}
1044 info := metainfo.Info{PieceLength: 256 * 1024}
1045 err = info.BuildFromFilePath(filepath.Join(dir, name))
1046 require.NoError(t, err)
1047 mi.InfoBytes, err = bencode.Marshal(info)
1048 require.NoError(t, err)
1049 magnet := mi.Magnet(name, mi.HashInfoBytes()).String()
1050 tr, err := cl.AddTorrent(&mi)
1051 require.NoError(t, err)
1052 require.True(t, tr.Seeding())
1057 // https://github.com/anacrolix/torrent/issues/114
1058 func TestMultipleTorrentsWithEncryption(t *testing.T) {
1059 cfg := TestingConfig()
1060 cfg.DisableUTP = true
1062 cfg.DataDir = filepath.Join(cfg.DataDir, "server")
1063 cfg.ForceEncryption = true
1064 os.Mkdir(cfg.DataDir, 0755)
1065 server, err := NewClient(cfg)
1066 require.NoError(t, err)
1067 defer server.Close()
1068 testutil.ExportStatusWriter(server, "s")
1069 magnet1 := makeMagnet(t, server, cfg.DataDir, "test1")
1070 makeMagnet(t, server, cfg.DataDir, "test2")
1071 cfg = TestingConfig()
1072 cfg.DisableUTP = true
1073 cfg.DataDir = filepath.Join(cfg.DataDir, "client")
1074 cfg.ForceEncryption = true
1075 client, err := NewClient(cfg)
1076 require.NoError(t, err)
1077 defer client.Close()
1078 testutil.ExportStatusWriter(client, "c")
1079 tr, err := client.AddMagnet(magnet1)
1080 require.NoError(t, err)
1081 tr.AddClientPeer(server)
1087 func TestClientAddressInUse(t *testing.T) {
1088 s, _ := NewUtpSocket("udp", ":50007")
1092 cfg := TestingConfig().SetListenAddr(":50007")
1093 cl, err := NewClient(cfg)
1094 require.Error(t, err)