10 "github.com/frankban/quicktest"
11 "github.com/stretchr/testify/require"
13 "github.com/anacrolix/torrent/metainfo"
14 pp "github.com/anacrolix/torrent/peer_protocol"
15 "github.com/anacrolix/torrent/storage"
18 // Ensure that no race exists between sending a bitfield, and a subsequent
19 // Have that would potentially alter it.
20 func TestSendBitfieldThenHave(t *testing.T) {
22 cl.init(TestingConfig(t))
24 c := cl.newConnection(nil, false, nil, "io.Pipe", "")
25 c.setTorrent(cl.newTorrent(metainfo.Hash{}, nil))
26 if err := c.t.setInfo(&metainfo.Info{Pieces: make([]byte, metainfo.HashSize*3)}); err != nil {
34 c.t._completedPieces.Add(1)
35 c.postBitfield( /*[]bool{false, true, false}*/ )
41 n, err := io.ReadFull(r, b)
43 // This will cause connection.writer to terminate.
46 require.NoError(t, err)
47 require.EqualValues(t, 15, n)
48 // Here we see that the bitfield doesn't have piece 2 set, as that should
49 // arrive in the following Have message.
50 require.EqualValues(t, "\x00\x00\x00\x02\x05@\x00\x00\x00\x05\x04\x00\x00\x00\x02", string(b))
53 type torrentStorage struct {
57 func (me *torrentStorage) Close() error { return nil }
59 func (me *torrentStorage) Piece(mp metainfo.Piece) storage.PieceImpl {
63 func (me *torrentStorage) Completion() storage.Completion {
64 return storage.Completion{}
67 func (me *torrentStorage) MarkComplete() error {
71 func (me *torrentStorage) MarkNotComplete() error {
75 func (me *torrentStorage) ReadAt([]byte, int64) (int, error) {
76 panic("shouldn't be called")
79 func (me *torrentStorage) WriteAt(b []byte, _ int64) (int, error) {
80 if len(b) != defaultChunkSize {
87 func BenchmarkConnectionMainReadLoop(b *testing.B) {
90 cl.init(&ClientConfig{
91 DownloadRateLimiter: unlimited,
94 ts := &torrentStorage{}
95 t := cl.newTorrent(metainfo.Hash{}, nil)
96 t.initialPieceCheckDisabled = true
97 require.NoError(b, t.setInfo(&metainfo.Info{
98 Pieces: make([]byte, 20),
100 PieceLength: 1 << 20,
102 t.storage = &storage.Torrent{TorrentImpl: storage.TorrentImpl{Piece: ts.Piece, Close: ts.Close}}
104 t._pendingPieces.Add(0)
106 cn := cl.newConnection(r, true, r.RemoteAddr(), r.RemoteAddr().Network(), regularNetConnPeerConnConnString(r))
108 mrlErrChan := make(chan error)
111 Piece: make([]byte, defaultChunkSize),
115 err := cn.mainReadLoop()
121 wb := msg.MustMarshalBinary()
122 b.SetBytes(int64(len(msg.Piece)))
125 for i := 0; i < b.N; i += 1 {
127 // The chunk must be written to storage everytime, to ensure the
128 // writeSem is unlocked.
129 t.pendAllChunkSpecs(0)
130 cn.validReceiveChunks = map[RequestIndex]int{
131 t.requestIndexFromRequest(newRequestFromMessage(&msg)): 1,
134 n, err := w.Write(wb)
135 require.NoError(b, err)
136 require.EqualValues(b, len(wb), n)
139 if err := w.Close(); err != nil {
143 mrlErr := <-mrlErrChan
144 if mrlErr != nil && !errors.Is(mrlErr, io.EOF) {
147 c.Assert(cn._stats.ChunksReadUseful.Int64(), quicktest.Equals, int64(b.N))
150 func TestConnPexPeerFlags(t *testing.T) {
152 tcpAddr = &net.TCPAddr{IP: net.IPv6loopback, Port: 4848}
153 udpAddr = &net.UDPAddr{IP: net.IPv6loopback, Port: 4848}
155 testcases := []struct {
159 {&PeerConn{Peer: Peer{outgoing: false, PeerPrefersEncryption: false}}, 0},
160 {&PeerConn{Peer: Peer{outgoing: false, PeerPrefersEncryption: true}}, pp.PexPrefersEncryption},
161 {&PeerConn{Peer: Peer{outgoing: true, PeerPrefersEncryption: false}}, pp.PexOutgoingConn},
162 {&PeerConn{Peer: Peer{outgoing: true, PeerPrefersEncryption: true}}, pp.PexOutgoingConn | pp.PexPrefersEncryption},
163 {&PeerConn{Peer: Peer{RemoteAddr: udpAddr, Network: udpAddr.Network()}}, pp.PexSupportsUtp},
164 {&PeerConn{Peer: Peer{RemoteAddr: udpAddr, Network: udpAddr.Network(), outgoing: true}}, pp.PexOutgoingConn | pp.PexSupportsUtp},
165 {&PeerConn{Peer: Peer{RemoteAddr: tcpAddr, Network: tcpAddr.Network(), outgoing: true}}, pp.PexOutgoingConn},
166 {&PeerConn{Peer: Peer{RemoteAddr: tcpAddr, Network: tcpAddr.Network()}}, 0},
168 for i, tc := range testcases {
169 f := tc.conn.pexPeerFlags()
170 require.EqualValues(t, tc.f, f, i)
174 func TestConnPexEvent(t *testing.T) {
176 udpAddr = &net.UDPAddr{IP: net.IPv6loopback, Port: 4848}
177 tcpAddr = &net.TCPAddr{IP: net.IPv6loopback, Port: 4848}
178 dialTcpAddr = &net.TCPAddr{IP: net.IPv6loopback, Port: 4747}
179 dialUdpAddr = &net.UDPAddr{IP: net.IPv6loopback, Port: 4747}
181 testcases := []struct {
188 &PeerConn{Peer: Peer{RemoteAddr: udpAddr, Network: udpAddr.Network()}},
189 pexEvent{pexAdd, udpAddr, pp.PexSupportsUtp, nil},
193 &PeerConn{Peer: Peer{RemoteAddr: tcpAddr, Network: tcpAddr.Network(), outgoing: true, PeerListenPort: dialTcpAddr.Port}},
194 pexEvent{pexDrop, tcpAddr, pp.PexOutgoingConn, nil},
198 &PeerConn{Peer: Peer{RemoteAddr: tcpAddr, Network: tcpAddr.Network(), PeerListenPort: dialTcpAddr.Port}},
199 pexEvent{pexAdd, dialTcpAddr, 0, nil},
203 &PeerConn{Peer: Peer{RemoteAddr: udpAddr, Network: udpAddr.Network(), PeerListenPort: dialUdpAddr.Port}},
204 pexEvent{pexDrop, dialUdpAddr, pp.PexSupportsUtp, nil},
207 for i, tc := range testcases {
208 e := tc.c.pexEvent(tc.t)
209 require.EqualValues(t, tc.e, e, i)