import (
"bytes"
+ "context"
"crypto/rand"
- "encoding/binary"
+ "errors"
"fmt"
- "io"
"io/ioutil"
"net"
"net/url"
"sync"
"testing"
+ "time"
+ "github.com/anacrolix/dht/v2/krpc"
_ "github.com/anacrolix/envpprof"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
- "github.com/anacrolix/torrent/util"
+ "github.com/anacrolix/torrent/tracker/udp"
)
-// Ensure net.IPs are stored big-endian, to match the way they're read from
-// the wire.
-func TestNetIPv4Bytes(t *testing.T) {
- ip := net.IP([]byte{127, 0, 0, 1})
- if ip.String() != "127.0.0.1" {
- t.FailNow()
- }
- if string(ip) != "\x7f\x00\x00\x01" {
- t.Fatal([]byte(ip))
- }
-}
-
-func TestMarshalAnnounceResponse(t *testing.T) {
- peers := util.CompactIPv4Peers{
- {[]byte{127, 0, 0, 1}, 2},
- {[]byte{255, 0, 0, 3}, 4},
- }
- b, err := peers.MarshalBinary()
- require.NoError(t, err)
- require.EqualValues(t,
- "\x7f\x00\x00\x01\x00\x02\xff\x00\x00\x03\x00\x04",
- b)
- require.EqualValues(t, 12, binary.Size(AnnounceResponseHeader{}))
-}
-
-// Failure to write an entire packet to UDP is expected to given an error.
-func TestLongWriteUDP(t *testing.T) {
- t.Parallel()
- l, err := net.ListenUDP("udp", nil)
- defer l.Close()
- if err != nil {
- t.Fatal(err)
- }
- c, err := net.DialUDP("udp", nil, l.LocalAddr().(*net.UDPAddr))
- if err != nil {
- t.Fatal(err)
- }
- defer c.Close()
- for msgLen := 1; ; msgLen *= 2 {
- n, err := c.Write(make([]byte, msgLen))
- if err != nil {
- require.Contains(t, err.Error(), "message too long")
- return
- }
- if n < msgLen {
- t.FailNow()
- }
- }
-}
-
-func TestShortBinaryRead(t *testing.T) {
- var data ResponseHeader
- err := binary.Read(bytes.NewBufferString("\x00\x00\x00\x01"), binary.BigEndian, &data)
- if err != io.ErrUnexpectedEOF {
- t.FailNow()
- }
-}
-
-func TestConvertInt16ToInt(t *testing.T) {
- i := 50000
- if int(uint16(int16(i))) != 50000 {
- t.FailNow()
- }
+var trackers = []string{
+ "udp://tracker.opentrackr.org:1337/announce",
+ "udp://tracker.openbittorrent.com:6969/announce",
+ "udp://localhost:42069",
}
func TestAnnounceLocalhost(t *testing.T) {
{0xa3, 0x56, 0x41, 0x43, 0x74, 0x23, 0xe6, 0x26, 0xd9, 0x38, 0x25, 0x4a, 0x6b, 0x80, 0x49, 0x10, 0xa6, 0x67, 0xa, 0xc1}: {
Seeders: 1,
Leechers: 2,
- Peers: []util.CompactPeer{
+ Peers: krpc.CompactIPv4NodeAddrs{
{[]byte{1, 2, 3, 4}, 5},
{[]byte{6, 7, 8, 9}, 10},
},
},
}
var err error
- srv.pc, err = net.ListenPacket("udp", ":0")
+ srv.pc, err = net.ListenPacket("udp", "localhost:0")
require.NoError(t, err)
defer srv.pc.Close()
go func() {
go func() {
require.NoError(t, srv.serveOne())
}()
- ar, err := Announce(fmt.Sprintf("udp://%s/announce", srv.pc.LocalAddr().String()), &req)
+ ar, err := Announce{
+ TrackerUrl: fmt.Sprintf("udp://%s/announce", srv.pc.LocalAddr().String()),
+ Request: req,
+ }.Do()
require.NoError(t, err)
assert.EqualValues(t, 1, ar.Seeders)
assert.EqualValues(t, 2, len(ar.Peers))
}
rand.Read(req.PeerId[:])
copy(req.InfoHash[:], []uint8{0xa3, 0x56, 0x41, 0x43, 0x74, 0x23, 0xe6, 0x26, 0xd9, 0x38, 0x25, 0x4a, 0x6b, 0x80, 0x49, 0x10, 0xa6, 0x67, 0xa, 0xc1})
- ar, err := Announce("udp://tracker.openbittorrent.com:80/announce", &req)
+ ctx, cancel := context.WithTimeout(context.Background(), DefaultTrackerAnnounceTimeout)
+ defer cancel()
+ if dl, ok := t.Deadline(); ok {
+ var cancel func()
+ ctx, cancel = context.WithDeadline(context.Background(), dl.Add(-time.Second))
+ defer cancel()
+ }
+ ar, err := Announce{
+ TrackerUrl: trackers[0],
+ Request: req,
+ Context: ctx,
+ }.Do()
// Skip any net errors as we don't control the server.
- if _, ok := err.(net.Error); ok {
+ var ne net.Error
+ if errors.As(err, &ne) {
t.Skip(err)
}
require.NoError(t, err)
- t.Log(ar)
+ t.Logf("%+v", ar)
}
func TestAnnounceRandomInfoHashThirdParty(t *testing.T) {
t.Parallel()
if testing.Short() {
// This test involves contacting third party servers that may have
- // unpreditable results.
+ // unpredictable results.
t.SkipNow()
}
req := AnnounceRequest{
rand.Read(req.PeerId[:])
rand.Read(req.InfoHash[:])
wg := sync.WaitGroup{}
- success := make(chan bool)
- fail := make(chan struct{})
- for _, url := range []string{
- "udp://tracker.openbittorrent.com:80/announce",
- "udp://tracker.publicbt.com:80",
- "udp://tracker.istole.it:6969",
- "udp://tracker.ccc.de:80",
- "udp://tracker.open.demonii.com:1337",
- "udp://open.demonii.com:1337",
- "udp://exodus.desync.com:6969",
- } {
+ ctx, cancel := context.WithTimeout(context.Background(), DefaultTrackerAnnounceTimeout)
+ defer cancel()
+ if dl, ok := t.Deadline(); ok {
+ var cancel func()
+ ctx, cancel = context.WithDeadline(ctx, dl.Add(-time.Second))
+ defer cancel()
+ }
+ for _, url := range trackers {
wg.Add(1)
go func(url string) {
defer wg.Done()
- resp, err := Announce(url, &req)
+ resp, err := Announce{
+ TrackerUrl: url,
+ Request: req,
+ Context: ctx,
+ }.Do()
if err != nil {
t.Logf("error announcing to %s: %s", url, err)
return
t.Fatal(resp)
}
t.Logf("announced to %s", url)
- // TODO: Can probably get stuck here, but it's just a throwaway
- // test.
- success <- true
+ cancel()
}(url)
}
- go func() {
- wg.Wait()
- close(fail)
- }()
- select {
- case <-fail:
- // It doesn't matter if they all fail, the servers could just be down.
- case <-success:
- // Bail as quickly as we can. One success is enough.
- }
+ wg.Wait()
+ cancel()
}
// Check that URLPath option is done correctly.
func TestURLPathOption(t *testing.T) {
- conn, err := net.ListenUDP("udp", nil)
+ conn, err := net.ListenPacket("udp", "localhost:0")
if err != nil {
panic(err)
}
defer conn.Close()
+ announceErr := make(chan error)
go func() {
- _, err := Announce((&url.URL{
- Scheme: "udp",
- Host: conn.LocalAddr().String(),
- Path: "/announce",
- }).String(), &AnnounceRequest{})
- if err != nil {
- defer conn.Close()
- }
- require.NoError(t, err)
+ _, err := Announce{
+ TrackerUrl: (&url.URL{
+ Scheme: "udp",
+ Host: conn.LocalAddr().String(),
+ Path: "/announce",
+ }).String(),
+ }.Do()
+ defer conn.Close()
+ announceErr <- err
}()
var b [512]byte
+ // conn.SetReadDeadline(time.Now().Add(time.Second))
_, addr, _ := conn.ReadFrom(b[:])
r := bytes.NewReader(b[:])
- var h RequestHeader
- read(r, &h)
+ var h udp.RequestHeader
+ udp.Read(r, &h)
w := &bytes.Buffer{}
- write(w, ResponseHeader{
+ udp.Write(w, udp.ResponseHeader{
+ Action: udp.ActionConnect,
TransactionId: h.TransactionId,
})
- write(w, ConnectionResponse{42})
+ udp.Write(w, udp.ConnectionResponse{42})
conn.WriteTo(w.Bytes(), addr)
n, _, _ := conn.ReadFrom(b[:])
r = bytes.NewReader(b[:n])
- read(r, &h)
- read(r, &AnnounceRequest{})
+ udp.Read(r, &h)
+ udp.Read(r, &AnnounceRequest{})
all, _ := ioutil.ReadAll(r)
if string(all) != "\x02\x09/announce" {
t.FailNow()
}
w = &bytes.Buffer{}
- write(w, ResponseHeader{
+ udp.Write(w, udp.ResponseHeader{
+ Action: udp.ActionAnnounce,
TransactionId: h.TransactionId,
})
- write(w, AnnounceResponseHeader{})
+ udp.Write(w, udp.AnnounceResponseHeader{})
conn.WriteTo(w.Bytes(), addr)
+ require.NoError(t, <-announceErr)
}