18 _ "github.com/anacrolix/envpprof"
19 "github.com/anacrolix/missinggo"
20 "github.com/anacrolix/missinggo/filecache"
21 "github.com/anacrolix/missinggo/pubsub"
22 "github.com/anacrolix/utp"
23 "github.com/bradfitz/iter"
24 "github.com/stretchr/testify/assert"
25 "github.com/stretchr/testify/require"
27 "github.com/anacrolix/torrent/bencode"
28 "github.com/anacrolix/torrent/dht"
29 "github.com/anacrolix/torrent/internal/testutil"
30 "github.com/anacrolix/torrent/iplist"
31 "github.com/anacrolix/torrent/metainfo"
32 "github.com/anacrolix/torrent/storage"
36 log.SetFlags(log.LstdFlags | log.Llongfile)
39 var TestingConfig = Config{
40 ListenAddr: "localhost:0",
42 DisableTrackers: true,
44 DHTConfig: dht.ServerConfig{
45 NoDefaultBootstrap: true,
49 func TestClientDefault(t *testing.T) {
50 cl, err := NewClient(&TestingConfig)
51 require.NoError(t, err)
55 func TestAddDropTorrent(t *testing.T) {
56 cl, err := NewClient(&TestingConfig)
57 require.NoError(t, err)
59 dir, mi := testutil.GreetingTestTorrent()
60 defer os.RemoveAll(dir)
61 tt, new, err := cl.AddTorrentSpec(TorrentSpecFromMetaInfo(mi))
62 require.NoError(t, err)
64 tt.SetMaxEstablishedConns(0)
65 tt.SetMaxEstablishedConns(1)
69 func TestAddTorrentNoSupportedTrackerSchemes(t *testing.T) {
73 func TestAddTorrentNoUsableURLs(t *testing.T) {
77 func TestAddPeersToUnknownTorrent(t *testing.T) {
81 func TestPieceHashSize(t *testing.T) {
82 if pieceHash.Size() != 20 {
87 func TestTorrentInitialState(t *testing.T) {
88 dir, mi := testutil.GreetingTestTorrent()
89 defer os.RemoveAll(dir)
91 infoHash: mi.HashInfoBytes(),
92 pieceStateChanges: pubsub.NewPubSub(),
95 tor.storageOpener = storage.NewFile("/dev/null")
96 // Needed to lock for asynchronous piece verification.
98 err := tor.setInfoBytes(mi.InfoBytes)
99 require.NoError(t, err)
100 require.Len(t, tor.pieces, 3)
101 tor.pendAllChunkSpecs(0)
103 assert.EqualValues(t, 3, tor.pieceNumPendingChunks(0))
105 assert.EqualValues(t, chunkSpec{4, 1}, chunkIndexSpec(2, tor.pieceLength(0), tor.chunkSize))
108 func TestUnmarshalPEXMsg(t *testing.T) {
109 var m peerExchangeMessage
110 if err := bencode.Unmarshal([]byte("d5:added12:\x01\x02\x03\x04\x05\x06\x07\x08\x09\x0a\x0b\x0ce"), &m); err != nil {
113 if len(m.Added) != 2 {
116 if m.Added[0].Port != 0x506 {
121 func TestReducedDialTimeout(t *testing.T) {
122 for _, _case := range []struct {
126 ExpectedReduced time.Duration
128 {nominalDialTimeout, 40, 0, nominalDialTimeout},
129 {nominalDialTimeout, 40, 1, nominalDialTimeout},
130 {nominalDialTimeout, 40, 39, nominalDialTimeout},
131 {nominalDialTimeout, 40, 40, nominalDialTimeout / 2},
132 {nominalDialTimeout, 40, 80, nominalDialTimeout / 3},
133 {nominalDialTimeout, 40, 4000, nominalDialTimeout / 101},
135 reduced := reducedDialTimeout(_case.Max, _case.HalfOpenLimit, _case.PendingPeers)
136 expected := _case.ExpectedReduced
137 if expected < minDialTimeout {
138 expected = minDialTimeout
140 if reduced != expected {
141 t.Fatalf("expected %s, got %s", _case.ExpectedReduced, reduced)
146 func TestUTPRawConn(t *testing.T) {
147 l, err := utp.NewSocket("udp", "")
160 // Connect a UTP peer to see if the RawConn will still work.
161 s, _ := utp.NewSocket("udp", "")
163 utpPeer, err := s.Dial(fmt.Sprintf("localhost:%d", missinggo.AddrPort(l.Addr())))
165 t.Fatalf("error dialing utp listener: %s", err)
167 defer utpPeer.Close()
168 peer, err := net.ListenPacket("udp", ":0")
175 // How many messages to send. I've set this to double the channel buffer
176 // size in the raw packetConn.
178 readerStopped := make(chan struct{})
179 // The reader goroutine.
181 defer close(readerStopped)
182 b := make([]byte, 500)
183 for i := 0; i < N; i++ {
184 n, _, err := l.ReadFrom(b)
186 t.Fatalf("error reading from raw conn: %s", err)
190 fmt.Sscan(string(b[:n]), &d)
192 log.Printf("got wrong number: expected %d, got %d", i, d)
196 udpAddr, err := net.ResolveUDPAddr("udp", fmt.Sprintf("localhost:%d", missinggo.AddrPort(l.Addr())))
200 for i := 0; i < N; i++ {
201 _, err := peer.WriteTo([]byte(fmt.Sprintf("%d", i)), udpAddr)
205 time.Sleep(time.Microsecond)
208 case <-readerStopped:
209 case <-time.After(time.Second):
210 t.Fatal("reader timed out")
212 if msgsReceived != N {
213 t.Fatalf("messages received: %d", msgsReceived)
217 func TestTwoClientsArbitraryPorts(t *testing.T) {
218 for i := 0; i < 2; i++ {
219 cl, err := NewClient(&TestingConfig)
227 func TestAddDropManyTorrents(t *testing.T) {
228 cl, err := NewClient(&TestingConfig)
229 require.NoError(t, err)
231 for i := range iter.N(1000) {
233 binary.PutVarint(spec.InfoHash[:], int64(i))
234 tt, new, err := cl.AddTorrentSpec(&spec)
235 assert.NoError(t, err)
241 type FileCacheClientStorageFactoryParams struct {
244 Wrapper func(*filecache.Cache) storage.Client
247 func NewFileCacheClientStorageFactory(ps FileCacheClientStorageFactoryParams) storageFactory {
248 return func(dataDir string) storage.Client {
249 fc, err := filecache.NewCache(dataDir)
254 fc.SetCapacity(ps.Capacity)
256 return ps.Wrapper(fc)
260 type storageFactory func(string) storage.Client
262 func TestClientTransferDefault(t *testing.T) {
263 testClientTransfer(t, testClientTransferParams{
264 ExportClientStatus: true,
265 LeecherStorage: NewFileCacheClientStorageFactory(FileCacheClientStorageFactoryParams{
266 Wrapper: fileCachePieceResourceStorage,
271 func fileCachePieceResourceStorage(fc *filecache.Cache) storage.Client {
272 return storage.NewResourcePieces(fc.AsResourceProvider())
275 func fileCachePieceFileStorage(fc *filecache.Cache) storage.Client {
276 return storage.NewFileStorePieces(fc.AsFileStore())
279 func TestClientTransferSmallCache(t *testing.T) {
280 testClientTransfer(t, testClientTransferParams{
281 LeecherStorage: NewFileCacheClientStorageFactory(FileCacheClientStorageFactoryParams{
283 // Going below the piece length means it can't complete a piece so
284 // that it can be hashed.
286 Wrapper: fileCachePieceResourceStorage,
289 // Can't readahead too far or the cache will thrash and drop data we
292 ExportClientStatus: true,
296 func TestClientTransferVarious(t *testing.T) {
297 for _, lsf := range []func(*filecache.Cache) storage.Client{
298 fileCachePieceFileStorage,
299 fileCachePieceResourceStorage,
301 for _, ss := range []func(string) storage.Client{
305 for _, responsive := range []bool{false, true} {
306 testClientTransfer(t, testClientTransferParams{
307 Responsive: responsive,
309 LeecherStorage: NewFileCacheClientStorageFactory(FileCacheClientStorageFactoryParams{
313 for _, readahead := range []int64{-1, 0, 1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 13, 14, 15, 20} {
314 testClientTransfer(t, testClientTransferParams{
316 Responsive: responsive,
318 Readahead: readahead,
319 LeecherStorage: NewFileCacheClientStorageFactory(FileCacheClientStorageFactoryParams{
329 type testClientTransferParams struct {
333 ExportClientStatus bool
334 LeecherStorage func(string) storage.Client
335 SeederStorage func(string) storage.Client
338 // Creates a seeder and a leecher, and ensures the data transfers when a read
339 // is attempted on the leecher.
340 func testClientTransfer(t *testing.T, ps testClientTransferParams) {
341 greetingTempDir, mi := testutil.GreetingTestTorrent()
342 defer os.RemoveAll(greetingTempDir)
343 // Create seeder and a Torrent.
346 cfg.ListenAddr = "localhost:4000"
347 if ps.SeederStorage != nil {
348 cfg.DefaultStorage = ps.SeederStorage(greetingTempDir)
350 cfg.DataDir = greetingTempDir
352 seeder, err := NewClient(&cfg)
353 require.NoError(t, err)
355 if ps.ExportClientStatus {
356 testutil.ExportStatusWriter(seeder, "s")
358 seederTorrent, new, err := seeder.AddTorrentSpec(TorrentSpecFromMetaInfo(mi))
359 require.NoError(t, err)
361 // Create leecher and a Torrent.
362 leecherDataDir, err := ioutil.TempDir("", "")
363 require.NoError(t, err)
364 defer os.RemoveAll(leecherDataDir)
365 cfg.DefaultStorage = ps.LeecherStorage(leecherDataDir)
366 cfg.ListenAddr = "localhost:4001"
367 leecher, err := NewClient(&cfg)
368 require.NoError(t, err)
369 defer leecher.Close()
370 if ps.ExportClientStatus {
371 testutil.ExportStatusWriter(leecher, "l")
373 leecherGreeting, new, err := leecher.AddTorrentSpec(func() (ret *TorrentSpec) {
374 ret = TorrentSpecFromMetaInfo(mi)
376 ret.Storage = storage.NewFile(leecherDataDir)
379 require.NoError(t, err)
381 // Now do some things with leecher and seeder.
382 addClientPeer(leecherGreeting, seeder)
383 r := leecherGreeting.NewReader()
389 r.SetReadahead(ps.Readahead)
391 assertReadAllGreeting(t, r)
392 // After one read through, we can assume certain torrent statistics.
393 // These are not a strict requirement. It is however interesting to
395 t.Logf("%#v", seederTorrent.Stats())
396 assert.EqualValues(t, 13, seederTorrent.Stats().DataBytesWritten)
397 assert.EqualValues(t, 8, seederTorrent.Stats().ChunksWritten)
398 assert.EqualValues(t, 13, leecherGreeting.Stats().DataBytesRead)
399 assert.EqualValues(t, 8, leecherGreeting.Stats().ChunksRead)
400 // Read through again for the cases where the torrent data size exceeds
401 // the size of the cache.
402 assertReadAllGreeting(t, r)
405 func assertReadAllGreeting(t *testing.T, r io.ReadSeeker) {
406 pos, err := r.Seek(0, os.SEEK_SET)
407 assert.NoError(t, err)
408 assert.EqualValues(t, 0, pos)
409 _greeting, err := ioutil.ReadAll(r)
410 assert.NoError(t, err)
411 assert.EqualValues(t, testutil.GreetingFileContents, _greeting)
414 // Check that after completing leeching, a leecher transitions to a seeding
415 // correctly. Connected in a chain like so: Seeder <-> Leecher <-> LeecherLeecher.
416 func TestSeedAfterDownloading(t *testing.T) {
417 greetingTempDir, mi := testutil.GreetingTestTorrent()
418 defer os.RemoveAll(greetingTempDir)
421 cfg.DataDir = greetingTempDir
422 seeder, err := NewClient(&cfg)
423 require.NoError(t, err)
425 testutil.ExportStatusWriter(seeder, "s")
426 seeder.AddTorrentSpec(TorrentSpecFromMetaInfo(mi))
427 cfg.DataDir, err = ioutil.TempDir("", "")
428 require.NoError(t, err)
429 defer os.RemoveAll(cfg.DataDir)
430 leecher, err := NewClient(&cfg)
431 require.NoError(t, err)
432 defer leecher.Close()
433 testutil.ExportStatusWriter(leecher, "l")
435 // cfg.TorrentDataOpener = nil
436 cfg.DataDir, err = ioutil.TempDir("", "")
437 require.NoError(t, err)
438 defer os.RemoveAll(cfg.DataDir)
439 leecherLeecher, _ := NewClient(&cfg)
440 defer leecherLeecher.Close()
441 testutil.ExportStatusWriter(leecherLeecher, "ll")
442 leecherGreeting, _, _ := leecher.AddTorrentSpec(func() (ret *TorrentSpec) {
443 ret = TorrentSpecFromMetaInfo(mi)
447 llg, _, _ := leecherLeecher.AddTorrentSpec(func() (ret *TorrentSpec) {
448 ret = TorrentSpecFromMetaInfo(mi)
452 // Simultaneously DownloadAll in Leecher, and read the contents
453 // consecutively in LeecherLeecher. This non-deterministically triggered a
454 // case where the leecher wouldn't unchoke the LeecherLeecher.
455 var wg sync.WaitGroup
461 b, err := ioutil.ReadAll(r)
462 require.NoError(t, err)
463 assert.EqualValues(t, testutil.GreetingFileContents, b)
465 addClientPeer(leecherGreeting, seeder)
466 addClientPeer(leecherGreeting, leecherLeecher)
470 leecherGreeting.DownloadAll()
476 func TestMergingTrackersByAddingSpecs(t *testing.T) {
477 cl, err := NewClient(&TestingConfig)
478 require.NoError(t, err)
480 spec := TorrentSpec{}
481 T, new, _ := cl.AddTorrentSpec(&spec)
485 spec.Trackers = [][]string{{"http://a"}, {"udp://b"}}
486 _, new, _ = cl.AddTorrentSpec(&spec)
488 assert.EqualValues(t, [][]string{{"http://a"}, {"udp://b"}}, T.metainfo.AnnounceList)
489 // Because trackers are disabled in TestingConfig.
490 assert.EqualValues(t, 0, len(T.trackerAnnouncers))
493 type badStorage struct{}
495 func (bs badStorage) OpenTorrent(*metainfo.Info, metainfo.Hash) (storage.Torrent, error) {
499 func (bs badStorage) Close() error {
503 func (bs badStorage) Piece(p metainfo.Piece) storage.Piece {
504 return badStoragePiece{p}
507 type badStoragePiece struct {
511 func (p badStoragePiece) WriteAt(b []byte, off int64) (int, error) {
515 func (p badStoragePiece) GetIsComplete() bool {
519 func (p badStoragePiece) MarkComplete() error {
520 return errors.New("psyyyyyyyche")
523 func (p badStoragePiece) randomlyTruncatedDataString() string {
524 return "hello, world\n"[:rand.Intn(14)]
527 func (p badStoragePiece) ReadAt(b []byte, off int64) (n int, err error) {
528 r := strings.NewReader(p.randomlyTruncatedDataString())
529 return r.ReadAt(b, off+p.p.Offset())
532 // We read from a piece which is marked completed, but is missing data.
533 func TestCompletedPieceWrongSize(t *testing.T) {
535 cfg.DefaultStorage = badStorage{}
536 cl, err := NewClient(&cfg)
537 require.NoError(t, err)
539 info := metainfo.Info{
541 Pieces: make([]byte, 20),
542 Files: []metainfo.FileInfo{
543 metainfo.FileInfo{Path: []string{"greeting"}, Length: 13},
546 b, err := bencode.Marshal(info)
547 tt, new, err := cl.AddTorrentSpec(&TorrentSpec{
549 InfoHash: metainfo.HashBytes(b),
551 require.NoError(t, err)
556 b, err = ioutil.ReadAll(r)
558 assert.NoError(t, err)
561 func BenchmarkAddLargeTorrent(b *testing.B) {
563 cfg.DisableTCP = true
564 cfg.DisableUTP = true
565 cfg.ListenAddr = "redonk"
566 cl, _ := NewClient(&cfg)
568 for range iter.N(b.N) {
569 t, err := cl.AddTorrentFromFile("testdata/bootstrap.dat.torrent")
577 func TestResponsive(t *testing.T) {
578 seederDataDir, mi := testutil.GreetingTestTorrent()
579 defer os.RemoveAll(seederDataDir)
582 cfg.DataDir = seederDataDir
583 seeder, err := NewClient(&cfg)
586 seeder.AddTorrentSpec(TorrentSpecFromMetaInfo(mi))
587 leecherDataDir, err := ioutil.TempDir("", "")
589 defer os.RemoveAll(leecherDataDir)
591 cfg.DataDir = leecherDataDir
592 leecher, err := NewClient(&cfg)
594 defer leecher.Close()
595 leecherTorrent, _, _ := leecher.AddTorrentSpec(func() (ret *TorrentSpec) {
596 ret = TorrentSpecFromMetaInfo(mi)
600 addClientPeer(leecherTorrent, seeder)
601 reader := leecherTorrent.NewReader()
603 reader.SetReadahead(0)
604 reader.SetResponsive()
606 _, err = reader.Seek(3, os.SEEK_SET)
607 require.NoError(t, err)
608 _, err = io.ReadFull(reader, b)
610 assert.EqualValues(t, "lo", string(b))
611 _, err = reader.Seek(11, os.SEEK_SET)
612 require.NoError(t, err)
613 n, err := io.ReadFull(reader, b)
615 assert.EqualValues(t, 2, n)
616 assert.EqualValues(t, "d\n", string(b))
619 func TestTorrentDroppedDuringResponsiveRead(t *testing.T) {
620 seederDataDir, mi := testutil.GreetingTestTorrent()
621 defer os.RemoveAll(seederDataDir)
624 cfg.DataDir = seederDataDir
625 seeder, err := NewClient(&cfg)
628 seeder.AddTorrentSpec(TorrentSpecFromMetaInfo(mi))
629 leecherDataDir, err := ioutil.TempDir("", "")
631 defer os.RemoveAll(leecherDataDir)
633 cfg.DataDir = leecherDataDir
634 leecher, err := NewClient(&cfg)
636 defer leecher.Close()
637 leecherTorrent, _, _ := leecher.AddTorrentSpec(func() (ret *TorrentSpec) {
638 ret = TorrentSpecFromMetaInfo(mi)
642 addClientPeer(leecherTorrent, seeder)
643 reader := leecherTorrent.NewReader()
645 reader.SetReadahead(0)
646 reader.SetResponsive()
648 _, err = reader.Seek(3, os.SEEK_SET)
649 require.NoError(t, err)
650 _, err = io.ReadFull(reader, b)
652 assert.EqualValues(t, "lo", string(b))
653 go leecherTorrent.Drop()
654 _, err = reader.Seek(11, os.SEEK_SET)
655 require.NoError(t, err)
656 n, err := reader.Read(b)
657 assert.EqualError(t, err, "torrent closed")
658 assert.EqualValues(t, 0, n)
661 func TestDHTInheritBlocklist(t *testing.T) {
662 ipl := iplist.New(nil)
663 require.NotNil(t, ipl)
665 cfg.IPBlocklist = ipl
667 cl, err := NewClient(&cfg)
668 require.NoError(t, err)
670 require.Equal(t, ipl, cl.DHT().IPBlocklist())
673 // Check that stuff is merged in subsequent AddTorrentSpec for the same
675 func TestAddTorrentSpecMerging(t *testing.T) {
676 cl, err := NewClient(&TestingConfig)
677 require.NoError(t, err)
679 dir, mi := testutil.GreetingTestTorrent()
680 defer os.RemoveAll(dir)
681 tt, new, err := cl.AddTorrentSpec(&TorrentSpec{
682 InfoHash: mi.HashInfoBytes(),
684 require.NoError(t, err)
686 require.Nil(t, tt.Info())
687 _, new, err = cl.AddTorrentSpec(TorrentSpecFromMetaInfo(mi))
688 require.NoError(t, err)
689 require.False(t, new)
690 require.NotNil(t, tt.Info())
693 func TestTorrentDroppedBeforeGotInfo(t *testing.T) {
694 dir, mi := testutil.GreetingTestTorrent()
696 cl, _ := NewClient(&TestingConfig)
698 tt, _, _ := cl.AddTorrentSpec(&TorrentSpec{
699 InfoHash: mi.HashInfoBytes(),
702 assert.EqualValues(t, 0, len(cl.Torrents()))
710 func writeTorrentData(ts storage.Torrent, info metainfo.Info, b []byte) {
711 for i := range iter.N(info.NumPieces()) {
712 n, _ := ts.Piece(info.Piece(i)).WriteAt(b, 0)
717 func testAddTorrentPriorPieceCompletion(t *testing.T, alreadyCompleted bool, csf func(*filecache.Cache) storage.Client) {
718 fileCacheDir, err := ioutil.TempDir("", "")
719 require.NoError(t, err)
720 defer os.RemoveAll(fileCacheDir)
721 fileCache, err := filecache.NewCache(fileCacheDir)
722 require.NoError(t, err)
723 greetingDataTempDir, greetingMetainfo := testutil.GreetingTestTorrent()
724 defer os.RemoveAll(greetingDataTempDir)
725 filePieceStore := csf(fileCache)
726 info := greetingMetainfo.UnmarshalInfo()
727 ih := greetingMetainfo.HashInfoBytes()
728 greetingData, err := filePieceStore.OpenTorrent(&info, ih)
729 require.NoError(t, err)
730 writeTorrentData(greetingData, info, []byte(testutil.GreetingFileContents))
731 // require.Equal(t, len(testutil.GreetingFileContents), written)
732 // require.NoError(t, err)
733 for i := 0; i < info.NumPieces(); i++ {
735 if alreadyCompleted {
736 err := greetingData.Piece(p).MarkComplete()
737 assert.NoError(t, err)
741 // TODO: Disable network option?
742 cfg.DisableTCP = true
743 cfg.DisableUTP = true
744 cfg.DefaultStorage = filePieceStore
745 cl, err := NewClient(&cfg)
746 require.NoError(t, err)
748 tt, err := cl.AddTorrent(greetingMetainfo)
749 require.NoError(t, err)
750 psrs := tt.PieceStateRuns()
751 assert.Len(t, psrs, 1)
752 assert.EqualValues(t, 3, psrs[0].Length)
753 assert.Equal(t, alreadyCompleted, psrs[0].Complete)
754 if alreadyCompleted {
756 b, err := ioutil.ReadAll(r)
757 assert.NoError(t, err)
758 assert.EqualValues(t, testutil.GreetingFileContents, b)
762 func TestAddTorrentPiecesAlreadyCompleted(t *testing.T) {
763 testAddTorrentPriorPieceCompletion(t, true, fileCachePieceFileStorage)
764 testAddTorrentPriorPieceCompletion(t, true, fileCachePieceResourceStorage)
767 func TestAddTorrentPiecesNotAlreadyCompleted(t *testing.T) {
768 testAddTorrentPriorPieceCompletion(t, false, fileCachePieceFileStorage)
769 testAddTorrentPriorPieceCompletion(t, false, fileCachePieceResourceStorage)
772 func TestAddMetainfoWithNodes(t *testing.T) {
775 // For now, we want to just jam the nodes into the table, without
776 // verifying them first. Also the DHT code doesn't support mixing secure
777 // and insecure nodes if security is enabled (yet).
778 cfg.DHTConfig.NoSecurity = true
779 cl, err := NewClient(&cfg)
780 require.NoError(t, err)
782 assert.EqualValues(t, cl.DHT().NumNodes(), 0)
783 tt, err := cl.AddTorrentFromFile("metainfo/testdata/issue_65a.torrent")
784 require.NoError(t, err)
785 assert.Len(t, tt.metainfo.AnnounceList, 5)
786 assert.EqualValues(t, 6, cl.DHT().NumNodes())
789 type testDownloadCancelParams struct {
790 ExportClientStatus bool
791 SetLeecherStorageCapacity bool
792 LeecherStorageCapacity int64
796 func testDownloadCancel(t *testing.T, ps testDownloadCancelParams) {
797 greetingTempDir, mi := testutil.GreetingTestTorrent()
798 defer os.RemoveAll(greetingTempDir)
801 cfg.DataDir = greetingTempDir
802 seeder, err := NewClient(&cfg)
803 require.NoError(t, err)
805 if ps.ExportClientStatus {
806 testutil.ExportStatusWriter(seeder, "s")
808 seeder.AddTorrentSpec(TorrentSpecFromMetaInfo(mi))
809 leecherDataDir, err := ioutil.TempDir("", "")
810 require.NoError(t, err)
811 defer os.RemoveAll(leecherDataDir)
812 fc, err := filecache.NewCache(leecherDataDir)
813 require.NoError(t, err)
814 if ps.SetLeecherStorageCapacity {
815 fc.SetCapacity(ps.LeecherStorageCapacity)
817 cfg.DefaultStorage = storage.NewFileStorePieces(fc.AsFileStore())
818 cfg.DataDir = leecherDataDir
819 leecher, _ := NewClient(&cfg)
820 defer leecher.Close()
821 if ps.ExportClientStatus {
822 testutil.ExportStatusWriter(leecher, "l")
824 leecherGreeting, new, err := leecher.AddTorrentSpec(func() (ret *TorrentSpec) {
825 ret = TorrentSpecFromMetaInfo(mi)
829 require.NoError(t, err)
831 psc := leecherGreeting.SubscribePieceStateChanges()
833 leecherGreeting.DownloadAll()
835 leecherGreeting.CancelPieces(0, leecherGreeting.NumPieces())
837 addClientPeer(leecherGreeting, seeder)
838 completes := make(map[int]bool, 3)
841 // started := time.Now()
843 case _v := <-psc.Values:
844 // log.Print(time.Since(started))
845 v := _v.(PieceStateChange)
846 completes[v.Index] = v.Complete
847 case <-time.After(100 * time.Millisecond):
852 assert.EqualValues(t, map[int]bool{0: false, 1: false, 2: false}, completes)
854 assert.EqualValues(t, map[int]bool{0: true, 1: true, 2: true}, completes)
859 func TestTorrentDownloadAll(t *testing.T) {
860 testDownloadCancel(t, testDownloadCancelParams{})
863 func TestTorrentDownloadAllThenCancel(t *testing.T) {
864 testDownloadCancel(t, testDownloadCancelParams{
869 // Ensure that it's an error for a peer to send an invalid have message.
870 func TestPeerInvalidHave(t *testing.T) {
871 cl, err := NewClient(&TestingConfig)
872 require.NoError(t, err)
874 info := metainfo.Info{
876 Pieces: make([]byte, 20),
877 Files: []metainfo.FileInfo{{Length: 1}},
879 infoBytes, err := bencode.Marshal(info)
880 require.NoError(t, err)
881 tt, _new, err := cl.AddTorrentSpec(&TorrentSpec{
882 InfoBytes: infoBytes,
883 InfoHash: metainfo.HashBytes(infoBytes),
885 require.NoError(t, err)
891 assert.NoError(t, cn.peerSentHave(0))
892 assert.Error(t, cn.peerSentHave(1))
895 func TestPieceCompletedInStorageButNotClient(t *testing.T) {
896 greetingTempDir, greetingMetainfo := testutil.GreetingTestTorrent()
897 defer os.RemoveAll(greetingTempDir)
899 cfg.DataDir = greetingTempDir
900 seeder, err := NewClient(&TestingConfig)
901 require.NoError(t, err)
902 seeder.AddTorrentSpec(&TorrentSpec{
903 InfoBytes: greetingMetainfo.InfoBytes,
907 func TestPrepareTrackerAnnounce(t *testing.T) {
909 blocked, urlToUse, host, err := cl.prepareTrackerAnnounceUnlocked("http://localhost:1234/announce?herp")
910 require.NoError(t, err)
911 assert.False(t, blocked)
912 assert.EqualValues(t, "localhost:1234", host)
913 assert.EqualValues(t, "http://127.0.0.1:1234/announce?herp", urlToUse)
916 // Check that when the listen port is 0, all the protocols listened on have
917 // the same port, and it isn't zero.
918 func TestClientDynamicListenPortAllProtocols(t *testing.T) {
919 cl, err := NewClient(&TestingConfig)
920 require.NoError(t, err)
922 assert.NotEqual(t, 0, missinggo.AddrPort(cl.ListenAddr()))
923 assert.Equal(t, missinggo.AddrPort(cl.utpSock.Addr()), missinggo.AddrPort(cl.tcpListener.Addr()))
926 func TestClientDynamicListenTCPOnly(t *testing.T) {
928 cfg.DisableUTP = true
929 cl, err := NewClient(&cfg)
930 require.NoError(t, err)
932 assert.NotEqual(t, 0, missinggo.AddrPort(cl.ListenAddr()))
933 assert.Nil(t, cl.utpSock)
936 func TestClientDynamicListenUTPOnly(t *testing.T) {
938 cfg.DisableTCP = true
939 cl, err := NewClient(&cfg)
940 require.NoError(t, err)
942 assert.NotEqual(t, 0, missinggo.AddrPort(cl.ListenAddr()))
943 assert.Nil(t, cl.tcpListener)
946 func TestClientDynamicListenPortNoProtocols(t *testing.T) {
948 cfg.DisableTCP = true
949 cfg.DisableUTP = true
950 cl, err := NewClient(&cfg)
951 require.NoError(t, err)
953 assert.Nil(t, cl.ListenAddr())
956 func addClientPeer(t *Torrent, cl *Client) {
959 IP: missinggo.AddrIP(cl.ListenAddr()),
960 Port: missinggo.AddrPort(cl.ListenAddr()),
965 func printConnPeerCounts(t *Torrent) {
967 log.Println(len(t.conns), len(t.peers))
971 func totalConns(tts []*Torrent) (ret int) {
972 for _, tt := range tts {
980 func TestSetMaxEstablishedConn(t *testing.T) {
982 ih := testutil.GreetingMetaInfo().HashInfoBytes()
984 for i := range iter.N(3) {
985 cl, err := NewClient(&cfg)
986 require.NoError(t, err)
988 tt, _ := cl.AddTorrentInfoHash(ih)
989 tt.SetMaxEstablishedConns(2)
990 testutil.ExportStatusWriter(cl, fmt.Sprintf("%d", i))
991 tts = append(tts, tt)
994 for i, tt := range tts {
995 for _, _tt := range tts[:i] {
996 addClientPeer(tt, _tt.cl)
1000 waitTotalConns := func(num int) {
1001 for totalConns(tts) != num {
1002 time.Sleep(time.Millisecond)
1007 tts[0].SetMaxEstablishedConns(1)
1009 tts[0].SetMaxEstablishedConns(0)
1011 tts[0].SetMaxEstablishedConns(1)
1014 tts[0].SetMaxEstablishedConns(2)