package torrent import ( "encoding/binary" "errors" "fmt" "io" "io/ioutil" "log" "math/rand" "net" "os" "path/filepath" "strings" "sync" "testing" "time" _ "github.com/anacrolix/envpprof" "github.com/anacrolix/missinggo" "github.com/anacrolix/missinggo/filecache" "github.com/anacrolix/utp" "github.com/bradfitz/iter" "github.com/stretchr/testify/assert" "github.com/stretchr/testify/require" "github.com/anacrolix/torrent/bencode" "github.com/anacrolix/torrent/dht" "github.com/anacrolix/torrent/internal/testutil" "github.com/anacrolix/torrent/iplist" "github.com/anacrolix/torrent/metainfo" "github.com/anacrolix/torrent/storage" ) func init() { log.SetFlags(log.LstdFlags | log.Llongfile) } var TestingConfig = Config{ ListenAddr: "localhost:0", NoDHT: true, DisableTrackers: true, NoDefaultBlocklist: true, DisableMetainfoCache: true, DataDir: "/dev/null", DHTConfig: dht.ServerConfig{ NoDefaultBootstrap: true, }, } func TestClientDefault(t *testing.T) { cl, err := NewClient(&TestingConfig) require.NoError(t, err) cl.Close() } func TestAddDropTorrent(t *testing.T) { cl, err := NewClient(&TestingConfig) require.NoError(t, err) defer cl.Close() dir, mi := testutil.GreetingTestTorrent() defer os.RemoveAll(dir) tt, new, err := cl.AddTorrentSpec(TorrentSpecFromMetaInfo(mi)) require.NoError(t, err) assert.True(t, new) tt.Drop() } func TestAddTorrentNoSupportedTrackerSchemes(t *testing.T) { t.SkipNow() } func TestAddTorrentNoUsableURLs(t *testing.T) { t.SkipNow() } func TestAddPeersToUnknownTorrent(t *testing.T) { t.SkipNow() } func TestPieceHashSize(t *testing.T) { if pieceHash.Size() != 20 { t.FailNow() } } func TestTorrentInitialState(t *testing.T) { dir, mi := testutil.GreetingTestTorrent() defer os.RemoveAll(dir) tor := newTorrent(func() (ih metainfo.InfoHash) { missinggo.CopyExact(ih[:], mi.Info.Hash) return }()) tor.chunkSize = 2 tor.storageOpener = storage.NewFile(dir) // Needed to lock for asynchronous piece verification. tor.cl = new(Client) err := tor.setMetadata(&mi.Info.Info, mi.Info.Bytes) require.NoError(t, err) require.Len(t, tor.Pieces, 3) tor.pendAllChunkSpecs(0) assert.EqualValues(t, 3, tor.pieceNumPendingChunks(0)) assert.EqualValues(t, chunkSpec{4, 1}, chunkIndexSpec(2, tor.pieceLength(0), tor.chunkSize)) } func TestUnmarshalPEXMsg(t *testing.T) { var m peerExchangeMessage if err := bencode.Unmarshal([]byte("d5:added12:\x01\x02\x03\x04\x05\x06\x07\x08\x09\x0a\x0b\x0ce"), &m); err != nil { t.Fatal(err) } if len(m.Added) != 2 { t.FailNow() } if m.Added[0].Port != 0x506 { t.FailNow() } } func TestReducedDialTimeout(t *testing.T) { for _, _case := range []struct { Max time.Duration HalfOpenLimit int PendingPeers int ExpectedReduced time.Duration }{ {nominalDialTimeout, 40, 0, nominalDialTimeout}, {nominalDialTimeout, 40, 1, nominalDialTimeout}, {nominalDialTimeout, 40, 39, nominalDialTimeout}, {nominalDialTimeout, 40, 40, nominalDialTimeout / 2}, {nominalDialTimeout, 40, 80, nominalDialTimeout / 3}, {nominalDialTimeout, 40, 4000, nominalDialTimeout / 101}, } { reduced := reducedDialTimeout(_case.Max, _case.HalfOpenLimit, _case.PendingPeers) expected := _case.ExpectedReduced if expected < minDialTimeout { expected = minDialTimeout } if reduced != expected { t.Fatalf("expected %s, got %s", _case.ExpectedReduced, reduced) } } } func TestUTPRawConn(t *testing.T) { l, err := utp.NewSocket("udp", "") if err != nil { t.Fatal(err) } defer l.Close() go func() { for { _, err := l.Accept() if err != nil { break } } }() // Connect a UTP peer to see if the RawConn will still work. s, _ := utp.NewSocket("udp", "") defer s.Close() utpPeer, err := s.Dial(fmt.Sprintf("localhost:%d", missinggo.AddrPort(l.Addr()))) if err != nil { t.Fatalf("error dialing utp listener: %s", err) } defer utpPeer.Close() peer, err := net.ListenPacket("udp", ":0") if err != nil { t.Fatal(err) } defer peer.Close() msgsReceived := 0 // How many messages to send. I've set this to double the channel buffer // size in the raw packetConn. const N = 200 readerStopped := make(chan struct{}) // The reader goroutine. go func() { defer close(readerStopped) b := make([]byte, 500) for i := 0; i < N; i++ { n, _, err := l.ReadFrom(b) if err != nil { t.Fatalf("error reading from raw conn: %s", err) } msgsReceived++ var d int fmt.Sscan(string(b[:n]), &d) if d != i { log.Printf("got wrong number: expected %d, got %d", i, d) } } }() udpAddr, err := net.ResolveUDPAddr("udp", fmt.Sprintf("localhost:%d", missinggo.AddrPort(l.Addr()))) if err != nil { t.Fatal(err) } for i := 0; i < N; i++ { _, err := peer.WriteTo([]byte(fmt.Sprintf("%d", i)), udpAddr) if err != nil { t.Fatal(err) } time.Sleep(time.Microsecond) } select { case <-readerStopped: case <-time.After(time.Second): t.Fatal("reader timed out") } if msgsReceived != N { t.Fatalf("messages received: %d", msgsReceived) } } func TestTwoClientsArbitraryPorts(t *testing.T) { for i := 0; i < 2; i++ { cl, err := NewClient(&TestingConfig) if err != nil { t.Fatal(err) } defer cl.Close() } } func TestAddDropManyTorrents(t *testing.T) { cl, err := NewClient(&TestingConfig) require.NoError(t, err) defer cl.Close() for i := range iter.N(1000) { var spec TorrentSpec binary.PutVarint(spec.InfoHash[:], int64(i)) tt, new, err := cl.AddTorrentSpec(&spec) assert.NoError(t, err) assert.True(t, new) defer tt.Drop() } } func TestClientTransferDefault(t *testing.T) { testClientTransfer(t, testClientTransferParams{ ExportClientStatus: true, }) } func TestClientTransferSmallCache(t *testing.T) { testClientTransfer(t, testClientTransferParams{ SetLeecherStorageCapacity: true, // Going below the piece length means it can't complete a piece so // that it can be hashed. LeecherStorageCapacity: 5, SetReadahead: true, // Can't readahead too far or the cache will thrash and drop data we // thought we had. Readahead: 0, ExportClientStatus: true, }) } func TestClientTransferVarious(t *testing.T) { for _, ss := range []func(string) storage.I{ storage.NewFile, storage.NewMMap, } { for _, responsive := range []bool{false, true} { testClientTransfer(t, testClientTransferParams{ Responsive: responsive, SeederStorage: ss, }) for _, readahead := range []int64{-1, 0, 1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 13, 14, 15, 20} { testClientTransfer(t, testClientTransferParams{ SeederStorage: ss, Responsive: responsive, SetReadahead: true, Readahead: readahead, }) } } } } type testClientTransferParams struct { Responsive bool Readahead int64 SetReadahead bool ExportClientStatus bool SetLeecherStorageCapacity bool LeecherStorageCapacity int64 SeederStorage func(string) storage.I } func testClientTransfer(t *testing.T, ps testClientTransferParams) { greetingTempDir, mi := testutil.GreetingTestTorrent() defer os.RemoveAll(greetingTempDir) cfg := TestingConfig cfg.Seed = true if ps.SeederStorage != nil { cfg.DefaultStorage = ps.SeederStorage(greetingTempDir) } else { cfg.DataDir = greetingTempDir } seeder, err := NewClient(&cfg) require.NoError(t, err) defer seeder.Close() if ps.ExportClientStatus { testutil.ExportStatusWriter(seeder, "s") } _, new, err := seeder.AddTorrentSpec(TorrentSpecFromMetaInfo(mi)) require.NoError(t, err) assert.True(t, new) leecherDataDir, err := ioutil.TempDir("", "") require.NoError(t, err) defer os.RemoveAll(leecherDataDir) fc, err := filecache.NewCache(leecherDataDir) require.NoError(t, err) if ps.SetLeecherStorageCapacity { fc.SetCapacity(ps.LeecherStorageCapacity) } cfg.DefaultStorage = storage.NewPieceFileStorage(storage.FileCacheFileStore{fc}) leecher, err := NewClient(&cfg) require.NoError(t, err) defer leecher.Close() if ps.ExportClientStatus { testutil.ExportStatusWriter(leecher, "l") } leecherGreeting, new, err := leecher.AddTorrentSpec(func() (ret *TorrentSpec) { ret = TorrentSpecFromMetaInfo(mi) ret.ChunkSize = 2 ret.Storage = storage.NewFile(leecherDataDir) return }()) require.NoError(t, err) assert.True(t, new) leecherGreeting.AddPeers([]Peer{ Peer{ IP: missinggo.AddrIP(seeder.ListenAddr()), Port: missinggo.AddrPort(seeder.ListenAddr()), }, }) r := leecherGreeting.NewReader() defer r.Close() if ps.Responsive { r.SetResponsive() } if ps.SetReadahead { r.SetReadahead(ps.Readahead) } for range iter.N(2) { pos, err := r.Seek(0, os.SEEK_SET) assert.NoError(t, err) assert.EqualValues(t, 0, pos) _greeting, err := ioutil.ReadAll(r) assert.NoError(t, err) assert.EqualValues(t, testutil.GreetingFileContents, _greeting) } } // Check that after completing leeching, a leecher transitions to a seeding // correctly. Connected in a chain like so: Seeder <-> Leecher <-> LeecherLeecher. func TestSeedAfterDownloading(t *testing.T) { greetingTempDir, mi := testutil.GreetingTestTorrent() defer os.RemoveAll(greetingTempDir) cfg := TestingConfig cfg.Seed = true cfg.DataDir = greetingTempDir seeder, err := NewClient(&cfg) defer seeder.Close() testutil.ExportStatusWriter(seeder, "s") seeder.AddTorrentSpec(TorrentSpecFromMetaInfo(mi)) cfg.DataDir, err = ioutil.TempDir("", "") require.NoError(t, err) defer os.RemoveAll(cfg.DataDir) leecher, _ := NewClient(&cfg) defer leecher.Close() testutil.ExportStatusWriter(leecher, "l") cfg.Seed = false // cfg.TorrentDataOpener = nil cfg.DataDir, err = ioutil.TempDir("", "") require.NoError(t, err) defer os.RemoveAll(cfg.DataDir) leecherLeecher, _ := NewClient(&cfg) defer leecherLeecher.Close() testutil.ExportStatusWriter(leecherLeecher, "ll") leecherGreeting, _, _ := leecher.AddTorrentSpec(func() (ret *TorrentSpec) { ret = TorrentSpecFromMetaInfo(mi) ret.ChunkSize = 2 return }()) llg, _, _ := leecherLeecher.AddTorrentSpec(func() (ret *TorrentSpec) { ret = TorrentSpecFromMetaInfo(mi) ret.ChunkSize = 3 return }()) // Simultaneously DownloadAll in Leecher, and read the contents // consecutively in LeecherLeecher. This non-deterministically triggered a // case where the leecher wouldn't unchoke the LeecherLeecher. var wg sync.WaitGroup wg.Add(1) go func() { defer wg.Done() r := llg.NewReader() defer r.Close() b, err := ioutil.ReadAll(r) require.NoError(t, err) assert.EqualValues(t, testutil.GreetingFileContents, b) }() leecherGreeting.AddPeers([]Peer{ Peer{ IP: missinggo.AddrIP(seeder.ListenAddr()), Port: missinggo.AddrPort(seeder.ListenAddr()), }, Peer{ IP: missinggo.AddrIP(leecherLeecher.ListenAddr()), Port: missinggo.AddrPort(leecherLeecher.ListenAddr()), }, }) wg.Add(1) go func() { defer wg.Done() leecherGreeting.DownloadAll() leecher.WaitAll() }() wg.Wait() } func TestReadaheadPieces(t *testing.T) { for _, case_ := range []struct { readaheadBytes, pieceLength int64 readaheadPieces int }{ {5 * 1024 * 1024, 256 * 1024, 19}, {5 * 1024 * 1024, 5 * 1024 * 1024, 1}, {5*1024*1024 - 1, 5 * 1024 * 1024, 1}, {5 * 1024 * 1024, 5*1024*1024 - 1, 2}, {0, 5 * 1024 * 1024, 0}, {5 * 1024 * 1024, 1048576, 4}, } { pieces := readaheadPieces(case_.readaheadBytes, case_.pieceLength) assert.Equal(t, case_.readaheadPieces, pieces, "%v", case_) } } func TestMergingTrackersByAddingSpecs(t *testing.T) { cl, err := NewClient(&TestingConfig) require.NoError(t, err) defer cl.Close() spec := TorrentSpec{} T, new, _ := cl.AddTorrentSpec(&spec) if !new { t.FailNow() } spec.Trackers = [][]string{{"http://a"}, {"udp://b"}} _, new, _ = cl.AddTorrentSpec(&spec) if new { t.FailNow() } assert.EqualValues(t, T.torrent.Trackers[0][0], "http://a") assert.EqualValues(t, T.torrent.Trackers[1][0], "udp://b") } type badStorage struct{} func (me badStorage) OpenTorrent(*metainfo.InfoEx) (storage.Torrent, error) { return me, nil } func (me badStorage) Close() error { return nil } func (me badStorage) Piece(p metainfo.Piece) storage.Piece { return badStoragePiece{p} } type badStoragePiece struct { p metainfo.Piece } func (me badStoragePiece) WriteAt(b []byte, off int64) (int, error) { return 0, nil } func (me badStoragePiece) GetIsComplete() bool { return true } func (me badStoragePiece) MarkComplete() error { return errors.New("psyyyyyyyche") } func (me badStoragePiece) randomlyTruncatedDataString() string { return "hello, world\n"[:rand.Intn(14)] } func (me badStoragePiece) ReadAt(b []byte, off int64) (n int, err error) { r := strings.NewReader(me.randomlyTruncatedDataString()) return r.ReadAt(b, off+me.p.Offset()) } // We read from a piece which is marked completed, but is missing data. func TestCompletedPieceWrongSize(t *testing.T) { cfg := TestingConfig cfg.DefaultStorage = badStorage{} cl, _ := NewClient(&cfg) defer cl.Close() tt, new, err := cl.AddTorrentSpec(&TorrentSpec{ Info: &metainfo.InfoEx{ Info: metainfo.Info{ PieceLength: 15, Pieces: make([]byte, 20), Files: []metainfo.FileInfo{ metainfo.FileInfo{Path: []string{"greeting"}, Length: 13}, }, }, }, }) require.NoError(t, err) defer tt.Drop() assert.True(t, new) r := tt.NewReader() defer r.Close() b, err := ioutil.ReadAll(r) assert.Len(t, b, 13) assert.NoError(t, err) } func BenchmarkAddLargeTorrent(b *testing.B) { cfg := TestingConfig cfg.DisableTCP = true cfg.DisableUTP = true cfg.ListenAddr = "redonk" cl, _ := NewClient(&cfg) defer cl.Close() for range iter.N(b.N) { t, err := cl.AddTorrentFromFile("testdata/bootstrap.dat.torrent") if err != nil { b.Fatal(err) } t.Drop() } } func TestResponsive(t *testing.T) { seederDataDir, mi := testutil.GreetingTestTorrent() defer os.RemoveAll(seederDataDir) cfg := TestingConfig cfg.Seed = true cfg.DataDir = seederDataDir seeder, err := NewClient(&cfg) require.Nil(t, err) defer seeder.Close() seeder.AddTorrentSpec(TorrentSpecFromMetaInfo(mi)) leecherDataDir, err := ioutil.TempDir("", "") require.Nil(t, err) defer os.RemoveAll(leecherDataDir) cfg = TestingConfig cfg.DataDir = leecherDataDir leecher, err := NewClient(&cfg) require.Nil(t, err) defer leecher.Close() leecherTorrent, _, _ := leecher.AddTorrentSpec(func() (ret *TorrentSpec) { ret = TorrentSpecFromMetaInfo(mi) ret.ChunkSize = 2 return }()) leecherTorrent.AddPeers([]Peer{ Peer{ IP: missinggo.AddrIP(seeder.ListenAddr()), Port: missinggo.AddrPort(seeder.ListenAddr()), }, }) reader := leecherTorrent.NewReader() defer reader.Close() reader.SetReadahead(0) reader.SetResponsive() b := make([]byte, 2) _, err = reader.Seek(3, os.SEEK_SET) require.NoError(t, err) _, err = io.ReadFull(reader, b) assert.Nil(t, err) assert.EqualValues(t, "lo", string(b)) _, err = reader.Seek(11, os.SEEK_SET) require.NoError(t, err) n, err := io.ReadFull(reader, b) assert.Nil(t, err) assert.EqualValues(t, 2, n) assert.EqualValues(t, "d\n", string(b)) } func TestTorrentDroppedDuringResponsiveRead(t *testing.T) { seederDataDir, mi := testutil.GreetingTestTorrent() defer os.RemoveAll(seederDataDir) cfg := TestingConfig cfg.Seed = true cfg.DataDir = seederDataDir seeder, err := NewClient(&cfg) require.Nil(t, err) defer seeder.Close() seeder.AddTorrentSpec(TorrentSpecFromMetaInfo(mi)) leecherDataDir, err := ioutil.TempDir("", "") require.Nil(t, err) defer os.RemoveAll(leecherDataDir) cfg = TestingConfig cfg.DataDir = leecherDataDir leecher, err := NewClient(&cfg) require.Nil(t, err) defer leecher.Close() leecherTorrent, _, _ := leecher.AddTorrentSpec(func() (ret *TorrentSpec) { ret = TorrentSpecFromMetaInfo(mi) ret.ChunkSize = 2 return }()) leecherTorrent.AddPeers([]Peer{ Peer{ IP: missinggo.AddrIP(seeder.ListenAddr()), Port: missinggo.AddrPort(seeder.ListenAddr()), }, }) reader := leecherTorrent.NewReader() defer reader.Close() reader.SetReadahead(0) reader.SetResponsive() b := make([]byte, 2) _, err = reader.Seek(3, os.SEEK_SET) require.NoError(t, err) _, err = io.ReadFull(reader, b) assert.Nil(t, err) assert.EqualValues(t, "lo", string(b)) go leecherTorrent.Drop() _, err = reader.Seek(11, os.SEEK_SET) require.NoError(t, err) n, err := reader.Read(b) assert.EqualError(t, err, "torrent closed") assert.EqualValues(t, 0, n) } func TestDHTInheritBlocklist(t *testing.T) { ipl := iplist.New(nil) require.NotNil(t, ipl) cfg := TestingConfig cfg.IPBlocklist = ipl cfg.NoDHT = false cl, err := NewClient(&cfg) require.NoError(t, err) defer cl.Close() require.Equal(t, ipl, cl.DHT().IPBlocklist()) } // Check that stuff is merged in subsequent AddTorrentSpec for the same // infohash. func TestAddTorrentSpecMerging(t *testing.T) { cl, err := NewClient(&TestingConfig) require.NoError(t, err) defer cl.Close() dir, mi := testutil.GreetingTestTorrent() defer os.RemoveAll(dir) var ts TorrentSpec missinggo.CopyExact(&ts.InfoHash, mi.Info.Hash) tt, new, err := cl.AddTorrentSpec(&ts) require.NoError(t, err) require.True(t, new) require.Nil(t, tt.Info()) _, new, err = cl.AddTorrentSpec(TorrentSpecFromMetaInfo(mi)) require.NoError(t, err) require.False(t, new) require.NotNil(t, tt.Info()) } // Check that torrent Info is obtained from the metainfo file cache. func TestAddTorrentMetainfoInCache(t *testing.T) { cfg := TestingConfig cfg.DisableMetainfoCache = false cfg.ConfigDir, _ = ioutil.TempDir(os.TempDir(), "") defer os.RemoveAll(cfg.ConfigDir) cl, err := NewClient(&cfg) require.NoError(t, err) defer cl.Close() dir, mi := testutil.GreetingTestTorrent() defer os.RemoveAll(dir) tt, new, err := cl.AddTorrentSpec(TorrentSpecFromMetaInfo(mi)) require.NoError(t, err) require.True(t, new) require.NotNil(t, tt.Info()) _, err = os.Stat(filepath.Join(cfg.ConfigDir, "torrents", fmt.Sprintf("%x.torrent", mi.Info.Hash.Bytes()))) require.NoError(t, err) // Contains only the infohash. var ts TorrentSpec missinggo.CopyExact(&ts.InfoHash, mi.Info.Hash) _, ok := cl.Torrent(ts.InfoHash) require.True(t, ok) tt.Drop() _, ok = cl.Torrent(ts.InfoHash) require.False(t, ok) tt, new, err = cl.AddTorrentSpec(&ts) require.NoError(t, err) require.True(t, new) // Obtained from the metainfo cache. require.NotNil(t, tt.Info()) } func TestTorrentDroppedBeforeGotInfo(t *testing.T) { dir, mi := testutil.GreetingTestTorrent() os.RemoveAll(dir) cl, _ := NewClient(&TestingConfig) defer cl.Close() var ts TorrentSpec missinggo.CopyExact(&ts.InfoHash, mi.Info.Hash) tt, _, _ := cl.AddTorrentSpec(&ts) tt.Drop() assert.EqualValues(t, 0, len(cl.Torrents())) select { case <-tt.GotInfo(): t.FailNow() default: } } func writeTorrentData(ts storage.Torrent, info *metainfo.InfoEx, b []byte) { for i := range iter.N(info.NumPieces()) { n, err := ts.Piece(info.Piece(i)).WriteAt(b, 0) b = b[n:] log.Print(err) } } func testAddTorrentPriorPieceCompletion(t *testing.T, alreadyCompleted bool) { fileCacheDir, err := ioutil.TempDir("", "") require.NoError(t, err) defer os.RemoveAll(fileCacheDir) fileCache, err := filecache.NewCache(fileCacheDir) require.NoError(t, err) greetingDataTempDir, greetingMetainfo := testutil.GreetingTestTorrent() defer os.RemoveAll(greetingDataTempDir) filePieceStore := storage.NewPieceFileStorage(storage.FileCacheFileStore{fileCache}) greetingData, err := filePieceStore.OpenTorrent(&greetingMetainfo.Info) require.NoError(t, err) writeTorrentData(greetingData, &greetingMetainfo.Info, []byte(testutil.GreetingFileContents)) // require.Equal(t, len(testutil.GreetingFileContents), written) // require.NoError(t, err) for i := 0; i < greetingMetainfo.Info.NumPieces(); i++ { p := greetingMetainfo.Info.Piece(i) if alreadyCompleted { err := greetingData.Piece(p).MarkComplete() assert.NoError(t, err) } } cfg := TestingConfig // TODO: Disable network option? cfg.DisableTCP = true cfg.DisableUTP = true cfg.DefaultStorage = filePieceStore cl, err := NewClient(&cfg) require.NoError(t, err) defer cl.Close() tt, err := cl.AddTorrent(greetingMetainfo) require.NoError(t, err) psrs := tt.PieceStateRuns() assert.Len(t, psrs, 1) assert.EqualValues(t, 3, psrs[0].Length) assert.Equal(t, alreadyCompleted, psrs[0].Complete) if alreadyCompleted { r := tt.NewReader() b, err := ioutil.ReadAll(r) assert.NoError(t, err) assert.EqualValues(t, testutil.GreetingFileContents, b) } } func TestAddTorrentPiecesAlreadyCompleted(t *testing.T) { testAddTorrentPriorPieceCompletion(t, true) } func TestAddTorrentPiecesNotAlreadyCompleted(t *testing.T) { testAddTorrentPriorPieceCompletion(t, false) } func TestAddMetainfoWithNodes(t *testing.T) { cfg := TestingConfig cfg.NoDHT = false // For now, we want to just jam the nodes into the table, without // verifying them first. Also the DHT code doesn't support mixing secure // and insecure nodes if security is enabled (yet). cfg.DHTConfig.NoSecurity = true cl, err := NewClient(&cfg) require.NoError(t, err) defer cl.Close() assert.EqualValues(t, cl.DHT().NumNodes(), 0) tt, err := cl.AddTorrentFromFile("metainfo/testdata/issue_65a.torrent") require.NoError(t, err) assert.Len(t, tt.torrent.Trackers, 5) assert.EqualValues(t, 6, cl.DHT().NumNodes()) } type testDownloadCancelParams struct { Responsive bool Readahead int64 SetReadahead bool ExportClientStatus bool SetLeecherStorageCapacity bool LeecherStorageCapacity int64 Cancel bool } func testDownloadCancel(t *testing.T, ps testDownloadCancelParams) { greetingTempDir, mi := testutil.GreetingTestTorrent() defer os.RemoveAll(greetingTempDir) cfg := TestingConfig cfg.Seed = true cfg.DataDir = greetingTempDir seeder, err := NewClient(&cfg) require.NoError(t, err) defer seeder.Close() if ps.ExportClientStatus { testutil.ExportStatusWriter(seeder, "s") } seeder.AddTorrentSpec(TorrentSpecFromMetaInfo(mi)) leecherDataDir, err := ioutil.TempDir("", "") require.NoError(t, err) defer os.RemoveAll(leecherDataDir) fc, err := filecache.NewCache(leecherDataDir) require.NoError(t, err) if ps.SetLeecherStorageCapacity { fc.SetCapacity(ps.LeecherStorageCapacity) } cfg.DefaultStorage = storage.NewPieceFileStorage(storage.FileCacheFileStore{fc}) cfg.DataDir = leecherDataDir leecher, _ := NewClient(&cfg) defer leecher.Close() if ps.ExportClientStatus { testutil.ExportStatusWriter(leecher, "l") } leecherGreeting, new, err := leecher.AddTorrentSpec(func() (ret *TorrentSpec) { ret = TorrentSpecFromMetaInfo(mi) ret.ChunkSize = 2 return }()) require.NoError(t, err) assert.True(t, new) psc := leecherGreeting.SubscribePieceStateChanges() defer psc.Close() leecherGreeting.DownloadAll() if ps.Cancel { leecherGreeting.CancelPieces(0, leecherGreeting.NumPieces()) } leecherGreeting.AddPeers([]Peer{ Peer{ IP: missinggo.AddrIP(seeder.ListenAddr()), Port: missinggo.AddrPort(seeder.ListenAddr()), }, }) completes := make(map[int]bool, 3) values: for { // started := time.Now() select { case _v := <-psc.Values: // log.Print(time.Since(started)) v := _v.(PieceStateChange) completes[v.Index] = v.Complete case <-time.After(100 * time.Millisecond): break values } } if ps.Cancel { assert.EqualValues(t, map[int]bool{0: false, 1: false, 2: false}, completes) } else { assert.EqualValues(t, map[int]bool{0: true, 1: true, 2: true}, completes) } } func TestTorrentDownloadAll(t *testing.T) { testDownloadCancel(t, testDownloadCancelParams{}) } func TestTorrentDownloadAllThenCancel(t *testing.T) { testDownloadCancel(t, testDownloadCancelParams{ Cancel: true, }) } // Ensure that it's an error for a peer to send an invalid have message. func TestPeerInvalidHave(t *testing.T) { cl, err := NewClient(&TestingConfig) require.NoError(t, err) defer cl.Close() tt, _new, err := cl.AddTorrentSpec(&TorrentSpec{ Info: &metainfo.InfoEx{ Info: metainfo.Info{ PieceLength: 1, Pieces: make([]byte, 20), Files: []metainfo.FileInfo{{Length: 1}}, }, }, }) require.NoError(t, err) assert.True(t, _new) defer tt.Drop() cn := &connection{ t: tt.torrent, } assert.NoError(t, cn.peerSentHave(0)) assert.Error(t, cn.peerSentHave(1)) } func TestPieceCompletedInStorageButNotClient(t *testing.T) { greetingTempDir, greetingMetainfo := testutil.GreetingTestTorrent() defer os.RemoveAll(greetingTempDir) cfg := TestingConfig cfg.DataDir = greetingTempDir seeder, err := NewClient(&TestingConfig) require.NoError(t, err) seeder.AddTorrentSpec(&TorrentSpec{ Info: &greetingMetainfo.Info, }) }