torrent/client_test.go

910 lines
25 KiB
Go

package torrent
import (
"encoding/binary"
"fmt"
"io"
"net"
"net/netip"
"os"
"path/filepath"
"reflect"
"testing"
"testing/iotest"
"time"
"github.com/anacrolix/dht/v2"
"github.com/anacrolix/log"
"github.com/anacrolix/missinggo/v2"
"github.com/anacrolix/missinggo/v2/filecache"
"github.com/frankban/quicktest"
qt "github.com/frankban/quicktest"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
"github.com/anacrolix/torrent/bencode"
"github.com/anacrolix/torrent/internal/testutil"
"github.com/anacrolix/torrent/iplist"
"github.com/anacrolix/torrent/metainfo"
"github.com/anacrolix/torrent/storage"
)
func TestClientDefault(t *testing.T) {
cl, err := NewClient(TestingConfig(t))
require.NoError(t, err)
require.Empty(t, cl.Close())
}
func TestClientNilConfig(t *testing.T) {
// The default config will put crap in the working directory.
origDir, _ := os.Getwd()
defer os.Chdir(origDir)
os.Chdir(t.TempDir())
cl, err := NewClient(nil)
require.NoError(t, err)
require.Empty(t, cl.Close())
}
func TestAddDropTorrent(t *testing.T) {
cl, err := NewClient(TestingConfig(t))
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.SetMaxEstablishedConns(0)
tt.SetMaxEstablishedConns(1)
tt.Drop()
}
func TestAddTorrentNoSupportedTrackerSchemes(t *testing.T) {
// TODO?
t.SkipNow()
}
func TestAddTorrentNoUsableURLs(t *testing.T) {
// TODO?
t.SkipNow()
}
func TestAddPeersToUnknownTorrent(t *testing.T) {
// TODO?
t.SkipNow()
}
func TestPieceHashSize(t *testing.T) {
assert.Equal(t, 20, pieceHash.Size())
}
func TestTorrentInitialState(t *testing.T) {
dir, mi := testutil.GreetingTestTorrent()
defer os.RemoveAll(dir)
var cl Client
cl.init(TestingConfig(t))
cl.initLogger()
tor := cl.newTorrent(
mi.HashInfoBytes(),
storage.NewFileWithCompletion(t.TempDir(), storage.NewMapPieceCompletion()),
)
tor.setChunkSize(2)
tor.cl.lock()
err := tor.setInfoBytesLocked(mi.InfoBytes)
tor.cl.unlock()
require.NoError(t, err)
require.Len(t, tor.pieces, 3)
tor.pendAllChunkSpecs(0)
tor.cl.lock()
assert.EqualValues(t, 3, tor.pieceNumPendingChunks(0))
tor.cl.unlock()
assert.EqualValues(t, ChunkSpec{4, 1}, chunkIndexSpec(2, tor.pieceLength(0), tor.chunkSize))
}
func TestReducedDialTimeout(t *testing.T) {
cfg := NewDefaultClientConfig()
for _, _case := range []struct {
Max time.Duration
HalfOpenLimit int
PendingPeers int
ExpectedReduced time.Duration
}{
{cfg.NominalDialTimeout, 40, 0, cfg.NominalDialTimeout},
{cfg.NominalDialTimeout, 40, 1, cfg.NominalDialTimeout},
{cfg.NominalDialTimeout, 40, 39, cfg.NominalDialTimeout},
{cfg.NominalDialTimeout, 40, 40, cfg.NominalDialTimeout / 2},
{cfg.NominalDialTimeout, 40, 80, cfg.NominalDialTimeout / 3},
{cfg.NominalDialTimeout, 40, 4000, cfg.NominalDialTimeout / 101},
} {
reduced := reducedDialTimeout(cfg.MinDialTimeout, _case.Max, _case.HalfOpenLimit, _case.PendingPeers)
expected := _case.ExpectedReduced
if expected < cfg.MinDialTimeout {
expected = cfg.MinDialTimeout
}
if reduced != expected {
t.Fatalf("expected %s, got %s", _case.ExpectedReduced, reduced)
}
}
}
func TestAddDropManyTorrents(t *testing.T) {
cl, err := NewClient(TestingConfig(t))
require.NoError(t, err)
defer cl.Close()
for i := 0; i < 1000; i += 1 {
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 fileCachePieceResourceStorage(fc *filecache.Cache) storage.ClientImpl {
return storage.NewResourcePiecesOpts(
fc.AsResourceProvider(),
storage.ResourcePiecesOpts{
LeaveIncompleteChunks: true,
},
)
}
func TestMergingTrackersByAddingSpecs(t *testing.T) {
cl, err := NewClient(TestingConfig(t))
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)
assert.False(t, new)
assert.EqualValues(t, [][]string{{"http://a"}, {"udp://b"}}, T.metainfo.AnnounceList)
// Because trackers are disabled in TestingConfig.
assert.EqualValues(t, 0, len(T.trackerAnnouncers))
}
// We read from a piece which is marked completed, but is missing data.
func TestCompletedPieceWrongSize(t *testing.T) {
cfg := TestingConfig(t)
cfg.DefaultStorage = badStorage{}
cl, err := NewClient(cfg)
require.NoError(t, err)
defer cl.Close()
info := metainfo.Info{
PieceLength: 15,
Pieces: make([]byte, 20),
Files: []metainfo.FileInfo{
{Path: []string{"greeting"}, Length: 13},
},
}
b, err := bencode.Marshal(info)
require.NoError(t, err)
tt, new, err := cl.AddTorrentSpec(&TorrentSpec{
InfoBytes: b,
InfoHash: metainfo.HashBytes(b),
})
require.NoError(t, err)
defer tt.Drop()
assert.True(t, new)
r := tt.NewReader()
defer r.Close()
quicktest.Check(t, iotest.TestReader(r, []byte(testutil.GreetingFileContents)), quicktest.IsNil)
}
func BenchmarkAddLargeTorrent(b *testing.B) {
cfg := TestingConfig(b)
cfg.DisableTCP = true
cfg.DisableUTP = true
cl, err := NewClient(cfg)
require.NoError(b, err)
defer cl.Close()
b.ReportAllocs()
for i := 0; i < b.N; i += 1 {
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(t)
cfg.Seed = true
cfg.DataDir = seederDataDir
seeder, err := NewClient(cfg)
require.Nil(t, err)
defer seeder.Close()
seederTorrent, _, _ := seeder.AddTorrentSpec(TorrentSpecFromMetaInfo(mi))
seederTorrent.VerifyData()
leecherDataDir := t.TempDir()
cfg = TestingConfig(t)
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.AddClientPeer(seeder)
reader := leecherTorrent.NewReader()
defer reader.Close()
reader.SetReadahead(0)
reader.SetResponsive()
b := make([]byte, 2)
_, err = reader.Seek(3, io.SeekStart)
require.NoError(t, err)
_, err = io.ReadFull(reader, b)
assert.Nil(t, err)
assert.EqualValues(t, "lo", string(b))
_, err = reader.Seek(11, io.SeekStart)
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))
}
// TestResponsive was the first test to fail if uTP is disabled and TCP sockets dial from the
// listening port.
func TestResponsiveTcpOnly(t *testing.T) {
seederDataDir, mi := testutil.GreetingTestTorrent()
defer os.RemoveAll(seederDataDir)
cfg := TestingConfig(t)
cfg.DisableUTP = true
cfg.Seed = true
cfg.DataDir = seederDataDir
seeder, err := NewClient(cfg)
require.Nil(t, err)
defer seeder.Close()
seederTorrent, _, _ := seeder.AddTorrentSpec(TorrentSpecFromMetaInfo(mi))
seederTorrent.VerifyData()
leecherDataDir := t.TempDir()
cfg = TestingConfig(t)
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.AddClientPeer(seeder)
reader := leecherTorrent.NewReader()
defer reader.Close()
reader.SetReadahead(0)
reader.SetResponsive()
b := make([]byte, 2)
_, err = reader.Seek(3, io.SeekStart)
require.NoError(t, err)
_, err = io.ReadFull(reader, b)
assert.Nil(t, err)
assert.EqualValues(t, "lo", string(b))
_, err = reader.Seek(11, io.SeekStart)
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(t)
cfg.Seed = true
cfg.DataDir = seederDataDir
seeder, err := NewClient(cfg)
require.Nil(t, err)
defer seeder.Close()
seederTorrent, _, _ := seeder.AddTorrentSpec(TorrentSpecFromMetaInfo(mi))
seederTorrent.VerifyData()
leecherDataDir := t.TempDir()
cfg = TestingConfig(t)
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.AddClientPeer(seeder)
reader := leecherTorrent.NewReader()
defer reader.Close()
reader.SetReadahead(0)
reader.SetResponsive()
b := make([]byte, 2)
_, err = reader.Seek(3, io.SeekStart)
require.NoError(t, err)
_, err = io.ReadFull(reader, b)
assert.Nil(t, err)
assert.EqualValues(t, "lo", string(b))
_, err = reader.Seek(11, io.SeekStart)
require.NoError(t, err)
leecherTorrent.Drop()
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(t)
cfg.IPBlocklist = ipl
cfg.NoDHT = false
cl, err := NewClient(cfg)
require.NoError(t, err)
defer cl.Close()
numServers := 0
cl.eachDhtServer(func(s DhtServer) {
t.Log(s)
assert.Equal(t, ipl, s.(AnacrolixDhtServerWrapper).Server.IPBlocklist())
numServers++
})
assert.EqualValues(t, 2, numServers)
}
// Check that stuff is merged in subsequent AddTorrentSpec for the same
// infohash.
func TestAddTorrentSpecMerging(t *testing.T) {
cl, err := NewClient(TestingConfig(t))
require.NoError(t, err)
defer cl.Close()
dir, mi := testutil.GreetingTestTorrent()
defer os.RemoveAll(dir)
tt, new, err := cl.AddTorrentSpec(&TorrentSpec{
InfoHash: mi.HashInfoBytes(),
})
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())
}
func TestTorrentDroppedBeforeGotInfo(t *testing.T) {
dir, mi := testutil.GreetingTestTorrent()
os.RemoveAll(dir)
cl, _ := NewClient(TestingConfig(t))
defer cl.Close()
tt, _, _ := cl.AddTorrentSpec(&TorrentSpec{
InfoHash: mi.HashInfoBytes(),
})
tt.Drop()
assert.EqualValues(t, 0, len(cl.Torrents()))
select {
case <-tt.GotInfo():
t.FailNow()
default:
}
}
func writeTorrentData(ts *storage.Torrent, info metainfo.Info, b []byte) {
for i := 0; i < info.NumPieces(); i += 1 {
p := info.Piece(i)
ts.Piece(p).WriteAt(b[p.Offset():p.Offset()+p.Length()], 0)
}
}
func testAddTorrentPriorPieceCompletion(t *testing.T, alreadyCompleted bool, csf func(*filecache.Cache) storage.ClientImpl) {
fileCacheDir := t.TempDir()
fileCache, err := filecache.NewCache(fileCacheDir)
require.NoError(t, err)
greetingDataTempDir, greetingMetainfo := testutil.GreetingTestTorrent()
defer os.RemoveAll(greetingDataTempDir)
filePieceStore := csf(fileCache)
info, err := greetingMetainfo.UnmarshalInfo()
require.NoError(t, err)
ih := greetingMetainfo.HashInfoBytes()
greetingData, err := storage.NewClient(filePieceStore).OpenTorrent(&info, ih)
require.NoError(t, err)
writeTorrentData(greetingData, info, []byte(testutil.GreetingFileContents))
// require.Equal(t, len(testutil.GreetingFileContents), written)
// require.NoError(t, err)
for i := 0; i < info.NumPieces(); i++ {
p := info.Piece(i)
if alreadyCompleted {
require.NoError(t, greetingData.Piece(p).MarkComplete())
}
}
cfg := TestingConfig(t)
// 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()
quicktest.Check(t, iotest.TestReader(r, []byte(testutil.GreetingFileContents)), quicktest.IsNil)
}
}
func TestAddTorrentPiecesAlreadyCompleted(t *testing.T) {
testAddTorrentPriorPieceCompletion(t, true, fileCachePieceResourceStorage)
}
func TestAddTorrentPiecesNotAlreadyCompleted(t *testing.T) {
testAddTorrentPriorPieceCompletion(t, false, fileCachePieceResourceStorage)
}
func TestAddMetainfoWithNodes(t *testing.T) {
cfg := TestingConfig(t)
cfg.ListenHost = func(string) string { return "" }
cfg.NoDHT = false
cfg.DhtStartingNodes = func(string) dht.StartingNodesGetter { return func() ([]dht.Addr, error) { return nil, nil } }
// 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()
sum := func() (ret int64) {
cl.eachDhtServer(func(s DhtServer) {
ret += s.Stats().(dht.ServerStats).OutboundQueriesAttempted
})
return
}
assert.EqualValues(t, 0, sum())
tt, err := cl.AddTorrentFromFile("metainfo/testdata/issue_65a.torrent")
require.NoError(t, err)
// Nodes are not added or exposed in Torrent's metainfo. We just randomly
// check if the announce-list is here instead. TODO: Add nodes.
assert.Len(t, tt.metainfo.AnnounceList, 5)
// There are 6 nodes in the torrent file.
for sum() != int64(6*len(cl.dhtServers)) {
time.Sleep(time.Millisecond)
}
}
type testDownloadCancelParams struct {
SetLeecherStorageCapacity bool
LeecherStorageCapacity int64
Cancel bool
}
func testDownloadCancel(t *testing.T, ps testDownloadCancelParams) {
greetingTempDir, mi := testutil.GreetingTestTorrent()
defer os.RemoveAll(greetingTempDir)
cfg := TestingConfig(t)
cfg.Seed = true
cfg.DataDir = greetingTempDir
seeder, err := NewClient(cfg)
require.NoError(t, err)
defer seeder.Close()
defer testutil.ExportStatusWriter(seeder, "s", t)()
seederTorrent, _, _ := seeder.AddTorrentSpec(TorrentSpecFromMetaInfo(mi))
seederTorrent.VerifyData()
leecherDataDir := t.TempDir()
fc, err := filecache.NewCache(leecherDataDir)
require.NoError(t, err)
if ps.SetLeecherStorageCapacity {
fc.SetCapacity(ps.LeecherStorageCapacity)
}
cfg.DefaultStorage = storage.NewResourcePieces(fc.AsResourceProvider())
cfg.DataDir = leecherDataDir
leecher, err := NewClient(cfg)
require.NoError(t, err)
defer leecher.Close()
defer testutil.ExportStatusWriter(leecher, "l", t)()
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.cl.lock()
leecherGreeting.downloadPiecesLocked(0, leecherGreeting.numPieces())
if ps.Cancel {
leecherGreeting.cancelPiecesLocked(0, leecherGreeting.NumPieces(), "")
}
leecherGreeting.cl.unlock()
done := make(chan struct{})
defer close(done)
go leecherGreeting.AddClientPeer(seeder)
completes := make(map[int]bool, 3)
expected := func() map[int]bool {
if ps.Cancel {
return map[int]bool{0: false, 1: false, 2: false}
} else {
return map[int]bool{0: true, 1: true, 2: true}
}
}()
for !reflect.DeepEqual(completes, expected) {
v := <-psc.Values
completes[v.Index] = v.Complete
}
}
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) {
cfg := TestingConfig(t)
cfg.DropMutuallyCompletePeers = false
cl, err := NewClient(cfg)
require.NoError(t, err)
defer cl.Close()
info := metainfo.Info{
PieceLength: 1,
Pieces: make([]byte, 20),
Files: []metainfo.FileInfo{{Length: 1}},
}
infoBytes, err := bencode.Marshal(info)
require.NoError(t, err)
tt, _new, err := cl.AddTorrentSpec(&TorrentSpec{
InfoBytes: infoBytes,
InfoHash: metainfo.HashBytes(infoBytes),
Storage: badStorage{},
})
require.NoError(t, err)
assert.True(t, _new)
defer tt.Drop()
cn := &PeerConn{Peer: Peer{
t: tt,
callbacks: &cfg.Callbacks,
}}
tt.conns[cn] = struct{}{}
cn.peerImpl = cn
cl.lock()
defer cl.unlock()
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(t)
cfg.DataDir = greetingTempDir
seeder, err := NewClient(TestingConfig(t))
require.NoError(t, err)
defer seeder.Close()
seeder.AddTorrentSpec(&TorrentSpec{
InfoBytes: greetingMetainfo.InfoBytes,
})
}
// Check that when the listen port is 0, all the protocols listened on have
// the same port, and it isn't zero.
func TestClientDynamicListenPortAllProtocols(t *testing.T) {
cl, err := NewClient(TestingConfig(t))
require.NoError(t, err)
defer cl.Close()
port := cl.LocalPort()
assert.NotEqual(t, 0, port)
cl.eachListener(func(s Listener) bool {
assert.Equal(t, port, missinggo.AddrPort(s.Addr()))
return true
})
}
func TestClientDynamicListenTCPOnly(t *testing.T) {
cfg := TestingConfig(t)
cfg.DisableUTP = true
cfg.DisableTCP = false
cl, err := NewClient(cfg)
require.NoError(t, err)
defer cl.Close()
assert.NotEqual(t, 0, cl.LocalPort())
}
func TestClientDynamicListenUTPOnly(t *testing.T) {
cfg := TestingConfig(t)
cfg.DisableTCP = true
cfg.DisableUTP = false
cl, err := NewClient(cfg)
require.NoError(t, err)
defer cl.Close()
assert.NotEqual(t, 0, cl.LocalPort())
}
func totalConns(tts []*Torrent) (ret int) {
for _, tt := range tts {
tt.cl.lock()
ret += len(tt.conns)
tt.cl.unlock()
}
return
}
func TestSetMaxEstablishedConn(t *testing.T) {
var tts []*Torrent
ih := testutil.GreetingMetaInfo().HashInfoBytes()
cfg := TestingConfig(t)
cfg.DisableAcceptRateLimiting = true
cfg.DropDuplicatePeerIds = true
for i := 0; i < 3; i += 1 {
cl, err := NewClient(cfg)
require.NoError(t, err)
defer cl.Close()
tt, _ := cl.AddTorrentInfoHash(ih)
tt.SetMaxEstablishedConns(2)
defer testutil.ExportStatusWriter(cl, fmt.Sprintf("%d", i), t)()
tts = append(tts, tt)
}
addPeers := func() {
for _, tt := range tts {
for _, _tt := range tts {
// if tt != _tt {
tt.AddClientPeer(_tt.cl)
// }
}
}
}
waitTotalConns := func(num int) {
for totalConns(tts) != num {
addPeers()
time.Sleep(time.Millisecond)
}
}
addPeers()
waitTotalConns(6)
tts[0].SetMaxEstablishedConns(1)
waitTotalConns(4)
tts[0].SetMaxEstablishedConns(0)
waitTotalConns(2)
tts[0].SetMaxEstablishedConns(1)
addPeers()
waitTotalConns(4)
tts[0].SetMaxEstablishedConns(2)
addPeers()
waitTotalConns(6)
}
// Creates a file containing its own name as data. Make a metainfo from that, adds it to the given
// client, and returns a magnet link.
func makeMagnet(t *testing.T, cl *Client, dir, name string) string {
os.MkdirAll(dir, 0o770)
file, err := os.Create(filepath.Join(dir, name))
require.NoError(t, err)
file.Write([]byte(name))
file.Close()
mi := metainfo.MetaInfo{}
mi.SetDefaults()
info := metainfo.Info{PieceLength: 256 * 1024}
err = info.BuildFromFilePath(filepath.Join(dir, name))
require.NoError(t, err)
mi.InfoBytes, err = bencode.Marshal(info)
require.NoError(t, err)
magnet := mi.Magnet(nil, &info).String()
tr, err := cl.AddTorrent(&mi)
require.NoError(t, err)
require.True(t, tr.Seeding())
tr.VerifyData()
return magnet
}
// https://github.com/anacrolix/torrent/issues/114
func TestMultipleTorrentsWithEncryption(t *testing.T) {
testSeederLeecherPair(
t,
func(cfg *ClientConfig) {
cfg.HeaderObfuscationPolicy.Preferred = true
cfg.HeaderObfuscationPolicy.RequirePreferred = true
},
func(cfg *ClientConfig) {
cfg.HeaderObfuscationPolicy.RequirePreferred = false
},
)
}
// Test that the leecher can download a torrent in its entirety from the seeder. Note that the
// seeder config is done first.
func testSeederLeecherPair(t *testing.T, seeder, leecher func(*ClientConfig)) {
cfg := TestingConfig(t)
cfg.Seed = true
cfg.DataDir = filepath.Join(cfg.DataDir, "server")
os.Mkdir(cfg.DataDir, 0o755)
seeder(cfg)
server, err := NewClient(cfg)
require.NoError(t, err)
defer server.Close()
defer testutil.ExportStatusWriter(server, "s", t)()
magnet1 := makeMagnet(t, server, cfg.DataDir, "test1")
// Extra torrents are added to test the seeder having to match incoming obfuscated headers
// against more than one torrent. See issue #114
makeMagnet(t, server, cfg.DataDir, "test2")
for i := 0; i < 100; i++ {
makeMagnet(t, server, cfg.DataDir, fmt.Sprintf("test%d", i+2))
}
cfg = TestingConfig(t)
cfg.DataDir = filepath.Join(cfg.DataDir, "client")
leecher(cfg)
client, err := NewClient(cfg)
require.NoError(t, err)
defer client.Close()
defer testutil.ExportStatusWriter(client, "c", t)()
tr, err := client.AddMagnet(magnet1)
require.NoError(t, err)
tr.AddClientPeer(server)
<-tr.GotInfo()
tr.DownloadAll()
client.WaitAll()
}
// This appears to be the situation with the S3 BitTorrent client.
func TestObfuscatedHeaderFallbackSeederDisallowsLeecherPrefers(t *testing.T) {
// Leecher prefers obfuscation, but the seeder does not allow it.
testSeederLeecherPair(
t,
func(cfg *ClientConfig) {
cfg.HeaderObfuscationPolicy.Preferred = false
cfg.HeaderObfuscationPolicy.RequirePreferred = true
},
func(cfg *ClientConfig) {
cfg.HeaderObfuscationPolicy.Preferred = true
cfg.HeaderObfuscationPolicy.RequirePreferred = false
},
)
}
func TestObfuscatedHeaderFallbackSeederRequiresLeecherPrefersNot(t *testing.T) {
// Leecher prefers no obfuscation, but the seeder enforces it.
testSeederLeecherPair(
t,
func(cfg *ClientConfig) {
cfg.HeaderObfuscationPolicy.Preferred = true
cfg.HeaderObfuscationPolicy.RequirePreferred = true
},
func(cfg *ClientConfig) {
cfg.HeaderObfuscationPolicy.Preferred = false
cfg.HeaderObfuscationPolicy.RequirePreferred = false
},
)
}
func TestClientAddressInUse(t *testing.T) {
s, _ := NewUtpSocket("udp", "localhost:50007", nil, log.Default)
if s != nil {
defer s.Close()
}
cfg := TestingConfig(t).SetListenAddr("localhost:50007")
cfg.DisableUTP = false
cl, err := NewClient(cfg)
if err == nil {
assert.Nil(t, cl.Close())
}
require.Error(t, err)
require.Nil(t, cl)
}
func TestClientHasDhtServersWhenUtpDisabled(t *testing.T) {
cc := TestingConfig(t)
cc.DisableUTP = true
cc.NoDHT = false
cl, err := NewClient(cc)
require.NoError(t, err)
defer cl.Close()
assert.NotEmpty(t, cl.DhtServers())
}
func TestClientDisabledImplicitNetworksButDhtEnabled(t *testing.T) {
cfg := TestingConfig(t)
cfg.DisableTCP = true
cfg.DisableUTP = true
cfg.NoDHT = false
cl, err := NewClient(cfg)
require.NoError(t, err)
defer cl.Close()
assert.Empty(t, cl.listeners)
assert.NotEmpty(t, cl.DhtServers())
}
func TestBadPeerIpPort(t *testing.T) {
for _, tc := range []struct {
title string
ip net.IP
port int
expectedOk bool
setup func(*Client)
}{
{"empty both", nil, 0, true, func(*Client) {}},
{"empty/nil ip", nil, 6666, true, func(*Client) {}},
{
"empty port",
net.ParseIP("127.0.0.1/32"),
0, true,
func(*Client) {},
},
{
"in doppleganger addresses",
net.ParseIP("127.0.0.1/32"),
2322,
true,
func(cl *Client) {
cl.dopplegangerAddrs["10.0.0.1:2322"] = struct{}{}
},
},
{
"in IP block list",
net.ParseIP("10.0.0.1"),
2322,
true,
func(cl *Client) {
cl.ipBlockList = iplist.New([]iplist.Range{
{First: net.ParseIP("10.0.0.1"), Last: net.ParseIP("10.0.0.255")},
})
},
},
{
"in bad peer IPs",
net.ParseIP("10.0.0.1"),
2322,
true,
func(cl *Client) {
ipAddr, ok := netip.AddrFromSlice(net.ParseIP("10.0.0.1"))
require.True(t, ok)
cl.badPeerIPs = map[netip.Addr]struct{}{}
cl.badPeerIPs[ipAddr] = struct{}{}
},
},
{
"good",
net.ParseIP("10.0.0.1"),
2322,
false,
func(cl *Client) {},
},
} {
t.Run(tc.title, func(t *testing.T) {
cfg := TestingConfig(t)
cfg.DisableTCP = true
cfg.DisableUTP = true
cfg.NoDHT = false
cl, err := NewClient(cfg)
require.NoError(t, err)
defer cl.Close()
tc.setup(cl)
require.Equal(t, tc.expectedOk, cl.badPeerIPPort(tc.ip, tc.port))
})
}
}
// https://github.com/anacrolix/torrent/issues/837
func TestClientConfigSetHandlerNotIgnored(t *testing.T) {
cfg := TestingConfig(t)
cfg.Logger.SetHandlers(log.DiscardHandler)
c := qt.New(t)
cl, err := NewClient(cfg)
c.Assert(err, qt.IsNil)
defer cl.Close()
c.Assert(cl.logger.Handlers, qt.HasLen, 1)
h := cl.logger.Handlers[0].(log.StreamHandler)
c.Check(h.W, qt.Equals, io.Discard)
}