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Add peer bootstrapping integration test
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Original file line number | Diff line number | Diff line change |
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package main | ||
|
||
import ( | ||
"crypto/rand" | ||
"fmt" | ||
_ "github.com/anacrolix/envpprof" | ||
"github.com/anacrolix/log" | ||
"github.com/anacrolix/sync" | ||
"github.com/anacrolix/torrent" | ||
"github.com/anacrolix/torrent/bencode" | ||
"github.com/anacrolix/torrent/metainfo" | ||
"github.com/dustin/go-humanize" | ||
"golang.org/x/exp/slog" | ||
"io" | ||
"net/http" | ||
"os" | ||
"path/filepath" | ||
"time" | ||
) | ||
|
||
func assertNil(x any) { | ||
if x != nil { | ||
panic(x) | ||
} | ||
} | ||
|
||
func newClientConfig() *torrent.ClientConfig { | ||
cfg := torrent.NewDefaultClientConfig() | ||
cfg.ListenPort = 0 | ||
cfg.NoDHT = true | ||
cfg.NoDefaultPortForwarding = true | ||
cfg.Seed = true | ||
cfg.Debug = false | ||
return cfg | ||
} | ||
|
||
func main() { | ||
tmpDir, err := os.MkdirTemp("", "peers-bootstrapping") | ||
assertNil(err) | ||
slog.Info("made temp dir", slog.String("tmpDir", tmpDir)) | ||
sourceDir := filepath.Join(tmpDir, "source") | ||
assertNil(os.Mkdir(sourceDir, 0o700)) | ||
f, err := os.Create(filepath.Join(sourceDir, "file")) | ||
assertNil(err) | ||
_, err = io.CopyN(f, rand.Reader, 1<<30) | ||
assertNil(err) | ||
assertNil(f.Close()) | ||
var info metainfo.Info | ||
err = info.BuildFromFilePath(f.Name()) | ||
assertNil(err) | ||
var mi metainfo.MetaInfo | ||
mi.InfoBytes, err = bencode.Marshal(info) | ||
assertNil(err) | ||
var clients []*torrent.Client | ||
var torrents []*torrent.Torrent | ||
clientConfig := newClientConfig() | ||
clientConfig.DataDir = sourceDir | ||
initialClient, err := torrent.NewClient(clientConfig) | ||
assertNil(err) | ||
clientIndex := 0 | ||
addClientAndTorrent := func(cl *torrent.Client, t *torrent.Torrent) int { | ||
clients = append(clients, cl) | ||
torrents = append(torrents, t) | ||
ret := clientIndex | ||
http.HandleFunc( | ||
fmt.Sprintf("/%v", ret), | ||
func(w http.ResponseWriter, r *http.Request) { | ||
cl.WriteStatus(w) | ||
}) | ||
clientIndex++ | ||
return ret | ||
} | ||
initialTorrent, err := initialClient.AddTorrent(&mi) | ||
assertNil(err) | ||
addClientAndTorrent(initialClient, initialTorrent) | ||
//initialTorrent.VerifyData() | ||
<-initialTorrent.Complete().On() | ||
var allDownloaded sync.WaitGroup | ||
var notCompleted sync.Map | ||
http.HandleFunc( | ||
"/notCompleted", | ||
func(w http.ResponseWriter, r *http.Request) { | ||
notCompleted.Range(func(key, value any) bool { | ||
fmt.Fprintln(w, key) | ||
return true | ||
}) | ||
}) | ||
for range 5 { | ||
clientIndex := clientIndex | ||
storageDir := filepath.Join(tmpDir, fmt.Sprintf("client%v", clientIndex)) | ||
clientConfig := newClientConfig() | ||
clientConfig.DataDir = storageDir | ||
clientConfig.Logger = log.Default.WithValues(slog.Int("clientIndex", clientIndex)) | ||
//clientConfig.Logger.Levelf(log.Critical, "test") | ||
client, err := torrent.NewClient(clientConfig) | ||
assertNil(err) | ||
t, _ := client.AddTorrentInfoHash(mi.HashInfoBytes()) | ||
addClientAndTorrent(client, t) | ||
allDownloaded.Add(1) | ||
notCompleted.Store(clientIndex, nil) | ||
go func() { | ||
<-t.GotInfo() | ||
t.DownloadAll() | ||
<-t.Complete().On() | ||
notCompleted.Delete(clientIndex) | ||
slog.Info("leecher completed", slog.Int("clientIndex", clientIndex)) | ||
allDownloaded.Done() | ||
}() | ||
t.AddClientPeer(initialClient) | ||
} | ||
go func() { | ||
for range time.Tick(time.Second) { | ||
for _, t := range torrents { | ||
for _, cl := range clients { | ||
t.AddClientPeer(cl) | ||
} | ||
} | ||
} | ||
}() | ||
allDownloaded.Wait() | ||
slog.Info("all leechers downloaded") | ||
for clientIndex, cl := range clients { | ||
stats := cl.Stats() | ||
written := stats.BytesWritten | ||
read := stats.BytesRead | ||
fmt.Printf( | ||
"client %v wrote %v read %v\n", | ||
clientIndex, | ||
humanize.Bytes(uint64(written.Int64())), | ||
humanize.Bytes(uint64(read.Int64())), | ||
) | ||
} | ||
} |
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