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, err := NewClient(&cfg)
567 require.NoError(b, err)
569 for range iter.N(b.N) {
570 t, err := cl.AddTorrentFromFile("testdata/bootstrap.dat.torrent")
578 func TestResponsive(t *testing.T) {
579 seederDataDir, mi := testutil.GreetingTestTorrent()
580 defer os.RemoveAll(seederDataDir)
583 cfg.DataDir = seederDataDir
584 seeder, err := NewClient(&cfg)
587 seeder.AddTorrentSpec(TorrentSpecFromMetaInfo(mi))
588 leecherDataDir, err := ioutil.TempDir("", "")
590 defer os.RemoveAll(leecherDataDir)
592 cfg.DataDir = leecherDataDir
593 leecher, err := NewClient(&cfg)
595 defer leecher.Close()
596 leecherTorrent, _, _ := leecher.AddTorrentSpec(func() (ret *TorrentSpec) {
597 ret = TorrentSpecFromMetaInfo(mi)
601 addClientPeer(leecherTorrent, seeder)
602 reader := leecherTorrent.NewReader()
604 reader.SetReadahead(0)
605 reader.SetResponsive()
607 _, err = reader.Seek(3, os.SEEK_SET)
608 require.NoError(t, err)
609 _, err = io.ReadFull(reader, b)
611 assert.EqualValues(t, "lo", string(b))
612 _, err = reader.Seek(11, os.SEEK_SET)
613 require.NoError(t, err)
614 n, err := io.ReadFull(reader, b)
616 assert.EqualValues(t, 2, n)
617 assert.EqualValues(t, "d\n", string(b))
620 func TestTorrentDroppedDuringResponsiveRead(t *testing.T) {
621 seederDataDir, mi := testutil.GreetingTestTorrent()
622 defer os.RemoveAll(seederDataDir)
625 cfg.DataDir = seederDataDir
626 seeder, err := NewClient(&cfg)
629 seeder.AddTorrentSpec(TorrentSpecFromMetaInfo(mi))
630 leecherDataDir, err := ioutil.TempDir("", "")
632 defer os.RemoveAll(leecherDataDir)
634 cfg.DataDir = leecherDataDir
635 leecher, err := NewClient(&cfg)
637 defer leecher.Close()
638 leecherTorrent, _, _ := leecher.AddTorrentSpec(func() (ret *TorrentSpec) {
639 ret = TorrentSpecFromMetaInfo(mi)
643 addClientPeer(leecherTorrent, seeder)
644 reader := leecherTorrent.NewReader()
646 reader.SetReadahead(0)
647 reader.SetResponsive()
649 _, err = reader.Seek(3, os.SEEK_SET)
650 require.NoError(t, err)
651 _, err = io.ReadFull(reader, b)
653 assert.EqualValues(t, "lo", string(b))
654 go leecherTorrent.Drop()
655 _, err = reader.Seek(11, os.SEEK_SET)
656 require.NoError(t, err)
657 n, err := reader.Read(b)
658 assert.EqualError(t, err, "torrent closed")
659 assert.EqualValues(t, 0, n)
662 func TestDHTInheritBlocklist(t *testing.T) {
663 ipl := iplist.New(nil)
664 require.NotNil(t, ipl)
666 cfg.IPBlocklist = ipl
668 cl, err := NewClient(&cfg)
669 require.NoError(t, err)
671 require.Equal(t, ipl, cl.DHT().IPBlocklist())
674 // Check that stuff is merged in subsequent AddTorrentSpec for the same
676 func TestAddTorrentSpecMerging(t *testing.T) {
677 cl, err := NewClient(&TestingConfig)
678 require.NoError(t, err)
680 dir, mi := testutil.GreetingTestTorrent()
681 defer os.RemoveAll(dir)
682 tt, new, err := cl.AddTorrentSpec(&TorrentSpec{
683 InfoHash: mi.HashInfoBytes(),
685 require.NoError(t, err)
687 require.Nil(t, tt.Info())
688 _, new, err = cl.AddTorrentSpec(TorrentSpecFromMetaInfo(mi))
689 require.NoError(t, err)
690 require.False(t, new)
691 require.NotNil(t, tt.Info())
694 func TestTorrentDroppedBeforeGotInfo(t *testing.T) {
695 dir, mi := testutil.GreetingTestTorrent()
697 cl, _ := NewClient(&TestingConfig)
699 tt, _, _ := cl.AddTorrentSpec(&TorrentSpec{
700 InfoHash: mi.HashInfoBytes(),
703 assert.EqualValues(t, 0, len(cl.Torrents()))
711 func writeTorrentData(ts storage.Torrent, info metainfo.Info, b []byte) {
712 for i := range iter.N(info.NumPieces()) {
713 n, _ := ts.Piece(info.Piece(i)).WriteAt(b, 0)
718 func testAddTorrentPriorPieceCompletion(t *testing.T, alreadyCompleted bool, csf func(*filecache.Cache) storage.Client) {
719 fileCacheDir, err := ioutil.TempDir("", "")
720 require.NoError(t, err)
721 defer os.RemoveAll(fileCacheDir)
722 fileCache, err := filecache.NewCache(fileCacheDir)
723 require.NoError(t, err)
724 greetingDataTempDir, greetingMetainfo := testutil.GreetingTestTorrent()
725 defer os.RemoveAll(greetingDataTempDir)
726 filePieceStore := csf(fileCache)
727 info := greetingMetainfo.UnmarshalInfo()
728 ih := greetingMetainfo.HashInfoBytes()
729 greetingData, err := filePieceStore.OpenTorrent(&info, ih)
730 require.NoError(t, err)
731 writeTorrentData(greetingData, info, []byte(testutil.GreetingFileContents))
732 // require.Equal(t, len(testutil.GreetingFileContents), written)
733 // require.NoError(t, err)
734 for i := 0; i < info.NumPieces(); i++ {
736 if alreadyCompleted {
737 err := greetingData.Piece(p).MarkComplete()
738 assert.NoError(t, err)
742 // TODO: Disable network option?
743 cfg.DisableTCP = true
744 cfg.DisableUTP = true
745 cfg.DefaultStorage = filePieceStore
746 cl, err := NewClient(&cfg)
747 require.NoError(t, err)
749 tt, err := cl.AddTorrent(greetingMetainfo)
750 require.NoError(t, err)
751 psrs := tt.PieceStateRuns()
752 assert.Len(t, psrs, 1)
753 assert.EqualValues(t, 3, psrs[0].Length)
754 assert.Equal(t, alreadyCompleted, psrs[0].Complete)
755 if alreadyCompleted {
757 b, err := ioutil.ReadAll(r)
758 assert.NoError(t, err)
759 assert.EqualValues(t, testutil.GreetingFileContents, b)
763 func TestAddTorrentPiecesAlreadyCompleted(t *testing.T) {
764 testAddTorrentPriorPieceCompletion(t, true, fileCachePieceFileStorage)
765 testAddTorrentPriorPieceCompletion(t, true, fileCachePieceResourceStorage)
768 func TestAddTorrentPiecesNotAlreadyCompleted(t *testing.T) {
769 testAddTorrentPriorPieceCompletion(t, false, fileCachePieceFileStorage)
770 testAddTorrentPriorPieceCompletion(t, false, fileCachePieceResourceStorage)
773 func TestAddMetainfoWithNodes(t *testing.T) {
776 // For now, we want to just jam the nodes into the table, without
777 // verifying them first. Also the DHT code doesn't support mixing secure
778 // and insecure nodes if security is enabled (yet).
779 cfg.DHTConfig.NoSecurity = true
780 cl, err := NewClient(&cfg)
781 require.NoError(t, err)
783 assert.EqualValues(t, cl.DHT().NumNodes(), 0)
784 tt, err := cl.AddTorrentFromFile("metainfo/testdata/issue_65a.torrent")
785 require.NoError(t, err)
786 assert.Len(t, tt.metainfo.AnnounceList, 5)
787 assert.EqualValues(t, 6, cl.DHT().NumNodes())
790 type testDownloadCancelParams struct {
791 ExportClientStatus bool
792 SetLeecherStorageCapacity bool
793 LeecherStorageCapacity int64
797 func testDownloadCancel(t *testing.T, ps testDownloadCancelParams) {
798 greetingTempDir, mi := testutil.GreetingTestTorrent()
799 defer os.RemoveAll(greetingTempDir)
802 cfg.DataDir = greetingTempDir
803 seeder, err := NewClient(&cfg)
804 require.NoError(t, err)
806 if ps.ExportClientStatus {
807 testutil.ExportStatusWriter(seeder, "s")
809 seeder.AddTorrentSpec(TorrentSpecFromMetaInfo(mi))
810 leecherDataDir, err := ioutil.TempDir("", "")
811 require.NoError(t, err)
812 defer os.RemoveAll(leecherDataDir)
813 fc, err := filecache.NewCache(leecherDataDir)
814 require.NoError(t, err)
815 if ps.SetLeecherStorageCapacity {
816 fc.SetCapacity(ps.LeecherStorageCapacity)
818 cfg.DefaultStorage = storage.NewFileStorePieces(fc.AsFileStore())
819 cfg.DataDir = leecherDataDir
820 leecher, _ := NewClient(&cfg)
821 defer leecher.Close()
822 if ps.ExportClientStatus {
823 testutil.ExportStatusWriter(leecher, "l")
825 leecherGreeting, new, err := leecher.AddTorrentSpec(func() (ret *TorrentSpec) {
826 ret = TorrentSpecFromMetaInfo(mi)
830 require.NoError(t, err)
832 psc := leecherGreeting.SubscribePieceStateChanges()
834 leecherGreeting.DownloadAll()
836 leecherGreeting.CancelPieces(0, leecherGreeting.NumPieces())
838 addClientPeer(leecherGreeting, seeder)
839 completes := make(map[int]bool, 3)
842 // started := time.Now()
844 case _v := <-psc.Values:
845 // log.Print(time.Since(started))
846 v := _v.(PieceStateChange)
847 completes[v.Index] = v.Complete
848 case <-time.After(100 * time.Millisecond):
853 assert.EqualValues(t, map[int]bool{0: false, 1: false, 2: false}, completes)
855 assert.EqualValues(t, map[int]bool{0: true, 1: true, 2: true}, completes)
860 func TestTorrentDownloadAll(t *testing.T) {
861 testDownloadCancel(t, testDownloadCancelParams{})
864 func TestTorrentDownloadAllThenCancel(t *testing.T) {
865 testDownloadCancel(t, testDownloadCancelParams{
870 // Ensure that it's an error for a peer to send an invalid have message.
871 func TestPeerInvalidHave(t *testing.T) {
872 cl, err := NewClient(&TestingConfig)
873 require.NoError(t, err)
875 info := metainfo.Info{
877 Pieces: make([]byte, 20),
878 Files: []metainfo.FileInfo{{Length: 1}},
880 infoBytes, err := bencode.Marshal(info)
881 require.NoError(t, err)
882 tt, _new, err := cl.AddTorrentSpec(&TorrentSpec{
883 InfoBytes: infoBytes,
884 InfoHash: metainfo.HashBytes(infoBytes),
886 require.NoError(t, err)
892 assert.NoError(t, cn.peerSentHave(0))
893 assert.Error(t, cn.peerSentHave(1))
896 func TestPieceCompletedInStorageButNotClient(t *testing.T) {
897 greetingTempDir, greetingMetainfo := testutil.GreetingTestTorrent()
898 defer os.RemoveAll(greetingTempDir)
900 cfg.DataDir = greetingTempDir
901 seeder, err := NewClient(&TestingConfig)
902 require.NoError(t, err)
903 seeder.AddTorrentSpec(&TorrentSpec{
904 InfoBytes: greetingMetainfo.InfoBytes,
908 func TestPrepareTrackerAnnounce(t *testing.T) {
910 blocked, urlToUse, host, err := cl.prepareTrackerAnnounceUnlocked("http://localhost:1234/announce?herp")
911 require.NoError(t, err)
912 assert.False(t, blocked)
913 assert.EqualValues(t, "localhost:1234", host)
914 assert.EqualValues(t, "http://127.0.0.1:1234/announce?herp", urlToUse)
917 // Check that when the listen port is 0, all the protocols listened on have
918 // the same port, and it isn't zero.
919 func TestClientDynamicListenPortAllProtocols(t *testing.T) {
920 cl, err := NewClient(&TestingConfig)
921 require.NoError(t, err)
923 assert.NotEqual(t, 0, missinggo.AddrPort(cl.ListenAddr()))
924 assert.Equal(t, missinggo.AddrPort(cl.utpSock.Addr()), missinggo.AddrPort(cl.tcpListener.Addr()))
927 func TestClientDynamicListenTCPOnly(t *testing.T) {
929 cfg.DisableUTP = true
930 cl, err := NewClient(&cfg)
931 require.NoError(t, err)
933 assert.NotEqual(t, 0, missinggo.AddrPort(cl.ListenAddr()))
934 assert.Nil(t, cl.utpSock)
937 func TestClientDynamicListenUTPOnly(t *testing.T) {
939 cfg.DisableTCP = true
940 cl, err := NewClient(&cfg)
941 require.NoError(t, err)
943 assert.NotEqual(t, 0, missinggo.AddrPort(cl.ListenAddr()))
944 assert.Nil(t, cl.tcpListener)
947 func TestClientDynamicListenPortNoProtocols(t *testing.T) {
949 cfg.DisableTCP = true
950 cfg.DisableUTP = true
951 cl, err := NewClient(&cfg)
952 require.NoError(t, err)
954 assert.Nil(t, cl.ListenAddr())
957 func addClientPeer(t *Torrent, cl *Client) {
960 IP: missinggo.AddrIP(cl.ListenAddr()),
961 Port: missinggo.AddrPort(cl.ListenAddr()),
966 func printConnPeerCounts(t *Torrent) {
968 log.Println(len(t.conns), len(t.peers))
972 func totalConns(tts []*Torrent) (ret int) {
973 for _, tt := range tts {
981 func TestSetMaxEstablishedConn(t *testing.T) {
983 ih := testutil.GreetingMetaInfo().HashInfoBytes()
985 for i := range iter.N(3) {
986 cl, err := NewClient(&cfg)
987 require.NoError(t, err)
989 tt, _ := cl.AddTorrentInfoHash(ih)
990 tt.SetMaxEstablishedConns(2)
991 testutil.ExportStatusWriter(cl, fmt.Sprintf("%d", i))
992 tts = append(tts, tt)
995 for i, tt := range tts {
996 for _, _tt := range tts[:i] {
997 addClientPeer(tt, _tt.cl)
1001 waitTotalConns := func(num int) {
1002 for totalConns(tts) != num {
1003 time.Sleep(time.Millisecond)
1008 tts[0].SetMaxEstablishedConns(1)
1010 tts[0].SetMaxEstablishedConns(0)
1012 tts[0].SetMaxEstablishedConns(1)
1015 tts[0].SetMaxEstablishedConns(2)