Move download subcmd code into separate file
This commit is contained in:
Matt Joiner
parent
002de0ebe3
commit
bc5cce8dca
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@ -0,0 +1,318 @@
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package main
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import (
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"errors"
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"expvar"
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"fmt"
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"net"
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"net/http"
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"os"
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"os/signal"
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"strings"
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"sync"
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"syscall"
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"time"
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"github.com/anacrolix/log"
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"github.com/anacrolix/missinggo/v2"
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"github.com/anacrolix/tagflag"
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"github.com/anacrolix/torrent"
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"github.com/anacrolix/torrent/iplist"
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"github.com/anacrolix/torrent/metainfo"
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pp "github.com/anacrolix/torrent/peer_protocol"
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"github.com/anacrolix/torrent/storage"
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"github.com/davecgh/go-spew/spew"
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"github.com/dustin/go-humanize"
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"golang.org/x/time/rate"
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)
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func torrentBar(t *torrent.Torrent, pieceStates bool) {
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go func() {
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start := time.Now()
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if t.Info() == nil {
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fmt.Printf("%v: getting torrent info for %q\n", time.Since(start), t.Name())
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<-t.GotInfo()
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}
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lastStats := t.Stats()
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var lastLine string
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interval := 3 * time.Second
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for range time.Tick(interval) {
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var completedPieces, partialPieces int
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psrs := t.PieceStateRuns()
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for _, r := range psrs {
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if r.Complete {
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completedPieces += r.Length
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}
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if r.Partial {
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partialPieces += r.Length
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}
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}
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stats := t.Stats()
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byteRate := int64(time.Second)
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byteRate *= stats.BytesReadUsefulData.Int64() - lastStats.BytesReadUsefulData.Int64()
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byteRate /= int64(interval)
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line := fmt.Sprintf(
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"%v: downloading %q: %s/%s, %d/%d pieces completed (%d partial): %v/s\n",
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time.Since(start),
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t.Name(),
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humanize.Bytes(uint64(t.BytesCompleted())),
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humanize.Bytes(uint64(t.Length())),
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completedPieces,
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t.NumPieces(),
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partialPieces,
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humanize.Bytes(uint64(byteRate)),
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)
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if line != lastLine {
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lastLine = line
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os.Stdout.WriteString(line)
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}
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if pieceStates {
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fmt.Println(psrs)
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}
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lastStats = stats
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}
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}()
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}
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type stringAddr string
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func (stringAddr) Network() string { return "" }
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func (me stringAddr) String() string { return string(me) }
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func resolveTestPeers(addrs []string) (ret []torrent.PeerInfo) {
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for _, ta := range addrs {
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ret = append(ret, torrent.PeerInfo{
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Addr: stringAddr(ta),
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})
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}
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return
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}
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func addTorrents(client *torrent.Client, flags downloadFlags) error {
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testPeers := resolveTestPeers(flags.TestPeer)
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for _, arg := range flags.Torrent {
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t, err := func() (*torrent.Torrent, error) {
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if strings.HasPrefix(arg, "magnet:") {
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t, err := client.AddMagnet(arg)
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if err != nil {
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return nil, fmt.Errorf("error adding magnet: %w", err)
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}
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return t, nil
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} else if strings.HasPrefix(arg, "http://") || strings.HasPrefix(arg, "https://") {
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response, err := http.Get(arg)
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if err != nil {
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return nil, fmt.Errorf("Error downloading torrent file: %s", err)
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}
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metaInfo, err := metainfo.Load(response.Body)
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defer response.Body.Close()
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if err != nil {
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return nil, fmt.Errorf("error loading torrent file %q: %s\n", arg, err)
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}
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t, err := client.AddTorrent(metaInfo)
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if err != nil {
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return nil, fmt.Errorf("adding torrent: %w", err)
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}
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return t, nil
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} else if strings.HasPrefix(arg, "infohash:") {
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t, _ := client.AddTorrentInfoHash(metainfo.NewHashFromHex(strings.TrimPrefix(arg, "infohash:")))
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return t, nil
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} else {
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metaInfo, err := metainfo.LoadFromFile(arg)
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if err != nil {
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return nil, fmt.Errorf("error loading torrent file %q: %s\n", arg, err)
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}
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t, err := client.AddTorrent(metaInfo)
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if err != nil {
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return nil, fmt.Errorf("adding torrent: %w", err)
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}
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return t, nil
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}
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}()
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if err != nil {
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return fmt.Errorf("adding torrent for %q: %w", arg, err)
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}
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if flags.Progress {
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torrentBar(t, flags.PieceStates)
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}
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t.AddPeers(testPeers)
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go func() {
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<-t.GotInfo()
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if len(flags.File) == 0 {
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t.DownloadAll()
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} else {
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for _, f := range t.Files() {
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for _, fileArg := range flags.File {
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if f.DisplayPath() == fileArg {
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f.Download()
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}
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}
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}
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}
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}()
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}
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return nil
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}
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type downloadFlags struct {
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Debug bool
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DownloadCmd
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}
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type DownloadCmd struct {
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Mmap bool `help:"memory-map torrent data"`
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TestPeer []string `help:"addresses of some starting peers"`
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Seed bool `help:"seed after download is complete"`
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Addr string `help:"network listen addr"`
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MaxUnverifiedBytes tagflag.Bytes `help:"maximum number bytes to have pending verification"`
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UploadRate *tagflag.Bytes `help:"max piece bytes to send per second"`
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DownloadRate *tagflag.Bytes `help:"max bytes per second down from peers"`
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PackedBlocklist string
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PublicIP net.IP
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Progress bool `default:"true"`
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PieceStates bool
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Quiet bool `help:"discard client logging"`
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Stats bool `help:"print stats at termination"`
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Dht bool `default:"true"`
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TcpPeers bool `default:"true"`
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UtpPeers bool `default:"true"`
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Webtorrent bool `default:"true"`
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DisableWebseeds bool
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// Don't progress past handshake for peer connections where the peer doesn't offer the fast
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// extension.
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RequireFastExtension bool
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Ipv4 bool `default:"true"`
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Ipv6 bool `default:"true"`
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Pex bool `default:"true"`
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File []string
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Torrent []string `arity:"+" help:"torrent file path or magnet uri" arg:"positional"`
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}
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func statsEnabled(flags downloadFlags) bool {
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return flags.Stats
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}
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func exitSignalHandlers(notify *missinggo.SynchronizedEvent) {
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c := make(chan os.Signal, 1)
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signal.Notify(c, syscall.SIGINT, syscall.SIGTERM)
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for {
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log.Printf("close signal received: %+v", <-c)
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notify.Set()
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}
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}
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func downloadErr(flags downloadFlags) error {
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clientConfig := torrent.NewDefaultClientConfig()
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clientConfig.DisableWebseeds = flags.DisableWebseeds
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clientConfig.DisableTCP = !flags.TcpPeers
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clientConfig.DisableUTP = !flags.UtpPeers
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clientConfig.DisableIPv4 = !flags.Ipv4
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clientConfig.DisableIPv6 = !flags.Ipv6
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clientConfig.DisableAcceptRateLimiting = true
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clientConfig.NoDHT = !flags.Dht
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clientConfig.Debug = flags.Debug
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clientConfig.Seed = flags.Seed
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clientConfig.PublicIp4 = flags.PublicIP
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clientConfig.PublicIp6 = flags.PublicIP
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clientConfig.DisablePEX = !flags.Pex
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clientConfig.DisableWebtorrent = !flags.Webtorrent
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if flags.PackedBlocklist != "" {
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blocklist, err := iplist.MMapPackedFile(flags.PackedBlocklist)
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if err != nil {
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return fmt.Errorf("loading blocklist: %v", err)
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}
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defer blocklist.Close()
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clientConfig.IPBlocklist = blocklist
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}
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if flags.Mmap {
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clientConfig.DefaultStorage = storage.NewMMap("")
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}
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if flags.Addr != "" {
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clientConfig.SetListenAddr(flags.Addr)
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}
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if flags.UploadRate != nil {
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clientConfig.UploadRateLimiter = rate.NewLimiter(rate.Limit(*flags.UploadRate), 256<<10)
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}
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if flags.DownloadRate != nil {
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clientConfig.DownloadRateLimiter = rate.NewLimiter(rate.Limit(*flags.DownloadRate), 1<<20)
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}
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if flags.Quiet {
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clientConfig.Logger = log.Discard
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}
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if flags.RequireFastExtension {
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clientConfig.MinPeerExtensions.SetBit(pp.ExtensionBitFast, true)
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}
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clientConfig.MaxUnverifiedBytes = flags.MaxUnverifiedBytes.Int64()
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var stop missinggo.SynchronizedEvent
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defer func() {
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stop.Set()
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}()
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client, err := torrent.NewClient(clientConfig)
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if err != nil {
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return fmt.Errorf("creating client: %w", err)
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}
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var clientClose sync.Once //In certain situations, close was being called more than once.
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defer clientClose.Do(func() { client.Close() })
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go exitSignalHandlers(&stop)
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go func() {
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<-stop.C()
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clientClose.Do(func() { client.Close() })
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}()
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// Write status on the root path on the default HTTP muxer. This will be bound to localhost
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// somewhere if GOPPROF is set, thanks to the envpprof import.
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http.HandleFunc("/", func(w http.ResponseWriter, req *http.Request) {
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client.WriteStatus(w)
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})
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err = addTorrents(client, flags)
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started := time.Now()
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if err != nil {
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return fmt.Errorf("adding torrents: %w", err)
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}
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defer outputStats(client, flags)
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if client.WaitAll() {
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log.Print("downloaded ALL the torrents")
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} else {
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err = errors.New("y u no complete torrents?!")
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}
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clientConnStats := client.ConnStats()
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log.Printf("average download rate: %v",
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humanize.Bytes(uint64(
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time.Duration(
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clientConnStats.BytesReadUsefulData.Int64(),
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)*time.Second/time.Since(started),
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)))
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if flags.Seed {
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if len(client.Torrents()) == 0 {
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log.Print("no torrents to seed")
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} else {
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outputStats(client, flags)
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<-stop.C()
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}
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}
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spew.Dump(expvar.Get("torrent").(*expvar.Map).Get("chunks received"))
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spew.Dump(client.ConnStats())
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clStats := client.ConnStats()
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sentOverhead := clStats.BytesWritten.Int64() - clStats.BytesWrittenData.Int64()
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log.Printf(
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"client read %v, %.1f%% was useful data. sent %v non-data bytes",
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humanize.Bytes(uint64(clStats.BytesRead.Int64())),
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100*float64(clStats.BytesReadUsefulData.Int64())/float64(clStats.BytesRead.Int64()),
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humanize.Bytes(uint64(sentOverhead)))
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return err
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}
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func outputStats(cl *torrent.Client, args downloadFlags) {
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if !statsEnabled(args) {
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return
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}
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expvar.Do(func(kv expvar.KeyValue) {
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fmt.Printf("%s: %s\n", kv.Key, kv.Value)
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})
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cl.WriteStatus(os.Stdout)
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}
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@ -4,215 +4,19 @@ package main
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import (
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"encoding/json"
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"errors"
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"expvar"
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"fmt"
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"io"
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stdLog "log"
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"net"
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"net/http"
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"os"
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"os/signal"
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"strings"
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"sync"
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"syscall"
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"time"
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"github.com/anacrolix/args"
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"github.com/anacrolix/envpprof"
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"github.com/anacrolix/log"
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"github.com/anacrolix/missinggo/v2"
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"github.com/anacrolix/tagflag"
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"github.com/anacrolix/torrent/bencode"
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pp "github.com/anacrolix/torrent/peer_protocol"
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"github.com/anacrolix/torrent/version"
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"github.com/davecgh/go-spew/spew"
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"github.com/dustin/go-humanize"
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"golang.org/x/time/rate"
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"github.com/anacrolix/torrent"
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"github.com/anacrolix/torrent/iplist"
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"github.com/anacrolix/torrent/metainfo"
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"github.com/anacrolix/torrent/storage"
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)
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func torrentBar(t *torrent.Torrent, pieceStates bool) {
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go func() {
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start := time.Now()
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if t.Info() == nil {
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fmt.Printf("%v: getting torrent info for %q\n", time.Since(start), t.Name())
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<-t.GotInfo()
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}
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lastStats := t.Stats()
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var lastLine string
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interval := 3 * time.Second
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for range time.Tick(interval) {
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var completedPieces, partialPieces int
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psrs := t.PieceStateRuns()
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for _, r := range psrs {
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if r.Complete {
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completedPieces += r.Length
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}
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if r.Partial {
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partialPieces += r.Length
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}
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}
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stats := t.Stats()
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byteRate := int64(time.Second)
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byteRate *= stats.BytesReadUsefulData.Int64() - lastStats.BytesReadUsefulData.Int64()
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byteRate /= int64(interval)
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line := fmt.Sprintf(
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"%v: downloading %q: %s/%s, %d/%d pieces completed (%d partial): %v/s\n",
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time.Since(start),
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t.Name(),
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humanize.Bytes(uint64(t.BytesCompleted())),
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humanize.Bytes(uint64(t.Length())),
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completedPieces,
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t.NumPieces(),
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partialPieces,
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humanize.Bytes(uint64(byteRate)),
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)
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if line != lastLine {
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lastLine = line
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os.Stdout.WriteString(line)
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}
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if pieceStates {
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fmt.Println(psrs)
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}
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lastStats = stats
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}
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}()
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}
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type stringAddr string
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func (stringAddr) Network() string { return "" }
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func (me stringAddr) String() string { return string(me) }
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func resolveTestPeers(addrs []string) (ret []torrent.PeerInfo) {
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for _, ta := range addrs {
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ret = append(ret, torrent.PeerInfo{
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Addr: stringAddr(ta),
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})
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}
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return
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}
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func addTorrents(client *torrent.Client, flags downloadFlags) error {
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testPeers := resolveTestPeers(flags.TestPeer)
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for _, arg := range flags.Torrent {
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t, err := func() (*torrent.Torrent, error) {
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if strings.HasPrefix(arg, "magnet:") {
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t, err := client.AddMagnet(arg)
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if err != nil {
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return nil, fmt.Errorf("error adding magnet: %w", err)
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}
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return t, nil
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} else if strings.HasPrefix(arg, "http://") || strings.HasPrefix(arg, "https://") {
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response, err := http.Get(arg)
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if err != nil {
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return nil, fmt.Errorf("Error downloading torrent file: %s", err)
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}
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metaInfo, err := metainfo.Load(response.Body)
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defer response.Body.Close()
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if err != nil {
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return nil, fmt.Errorf("error loading torrent file %q: %s\n", arg, err)
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}
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t, err := client.AddTorrent(metaInfo)
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if err != nil {
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return nil, fmt.Errorf("adding torrent: %w", err)
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}
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return t, nil
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} else if strings.HasPrefix(arg, "infohash:") {
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t, _ := client.AddTorrentInfoHash(metainfo.NewHashFromHex(strings.TrimPrefix(arg, "infohash:")))
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return t, nil
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} else {
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metaInfo, err := metainfo.LoadFromFile(arg)
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if err != nil {
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return nil, fmt.Errorf("error loading torrent file %q: %s\n", arg, err)
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}
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t, err := client.AddTorrent(metaInfo)
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if err != nil {
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return nil, fmt.Errorf("adding torrent: %w", err)
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}
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return t, nil
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}
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}()
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if err != nil {
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return fmt.Errorf("adding torrent for %q: %w", arg, err)
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}
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if flags.Progress {
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torrentBar(t, flags.PieceStates)
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}
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t.AddPeers(testPeers)
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go func() {
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<-t.GotInfo()
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if len(flags.File) == 0 {
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t.DownloadAll()
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} else {
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for _, f := range t.Files() {
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for _, fileArg := range flags.File {
|
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if f.DisplayPath() == fileArg {
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f.Download()
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}
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}
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}
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}
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}()
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}
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return nil
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}
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type downloadFlags struct {
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Debug bool
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DownloadCmd
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}
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||||
|
||||
type DownloadCmd struct {
|
||||
Mmap bool `help:"memory-map torrent data"`
|
||||
TestPeer []string `help:"addresses of some starting peers"`
|
||||
Seed bool `help:"seed after download is complete"`
|
||||
Addr string `help:"network listen addr"`
|
||||
MaxUnverifiedBytes tagflag.Bytes `help:"maximum number bytes to have pending verification"`
|
||||
UploadRate *tagflag.Bytes `help:"max piece bytes to send per second"`
|
||||
DownloadRate *tagflag.Bytes `help:"max bytes per second down from peers"`
|
||||
PackedBlocklist string
|
||||
PublicIP net.IP
|
||||
Progress bool `default:"true"`
|
||||
PieceStates bool
|
||||
Quiet bool `help:"discard client logging"`
|
||||
Stats bool `help:"print stats at termination"`
|
||||
Dht bool `default:"true"`
|
||||
|
||||
TcpPeers bool `default:"true"`
|
||||
UtpPeers bool `default:"true"`
|
||||
Webtorrent bool `default:"true"`
|
||||
DisableWebseeds bool
|
||||
// Don't progress past handshake for peer connections where the peer doesn't offer the fast
|
||||
// extension.
|
||||
RequireFastExtension bool
|
||||
|
||||
Ipv4 bool `default:"true"`
|
||||
Ipv6 bool `default:"true"`
|
||||
Pex bool `default:"true"`
|
||||
|
||||
File []string
|
||||
Torrent []string `arity:"+" help:"torrent file path or magnet uri" arg:"positional"`
|
||||
}
|
||||
|
||||
func statsEnabled(flags downloadFlags) bool {
|
||||
return flags.Stats
|
||||
}
|
||||
|
||||
func exitSignalHandlers(notify *missinggo.SynchronizedEvent) {
|
||||
c := make(chan os.Signal, 1)
|
||||
signal.Notify(c, syscall.SIGINT, syscall.SIGTERM)
|
||||
for {
|
||||
log.Printf("close signal received: %+v", <-c)
|
||||
notify.Set()
|
||||
}
|
||||
}
|
||||
|
||||
func main() {
|
||||
if err := mainErr(); err != nil {
|
||||
log.Printf("error in main: %v", err)
|
||||
|
|
@ -308,116 +112,3 @@ func mainErr() error {
|
|||
)
|
||||
return nil
|
||||
}
|
||||
|
||||
func downloadErr(flags downloadFlags) error {
|
||||
clientConfig := torrent.NewDefaultClientConfig()
|
||||
clientConfig.DisableWebseeds = flags.DisableWebseeds
|
||||
clientConfig.DisableTCP = !flags.TcpPeers
|
||||
clientConfig.DisableUTP = !flags.UtpPeers
|
||||
clientConfig.DisableIPv4 = !flags.Ipv4
|
||||
clientConfig.DisableIPv6 = !flags.Ipv6
|
||||
clientConfig.DisableAcceptRateLimiting = true
|
||||
clientConfig.NoDHT = !flags.Dht
|
||||
clientConfig.Debug = flags.Debug
|
||||
clientConfig.Seed = flags.Seed
|
||||
clientConfig.PublicIp4 = flags.PublicIP
|
||||
clientConfig.PublicIp6 = flags.PublicIP
|
||||
clientConfig.DisablePEX = !flags.Pex
|
||||
clientConfig.DisableWebtorrent = !flags.Webtorrent
|
||||
if flags.PackedBlocklist != "" {
|
||||
blocklist, err := iplist.MMapPackedFile(flags.PackedBlocklist)
|
||||
if err != nil {
|
||||
return fmt.Errorf("loading blocklist: %v", err)
|
||||
}
|
||||
defer blocklist.Close()
|
||||
clientConfig.IPBlocklist = blocklist
|
||||
}
|
||||
if flags.Mmap {
|
||||
clientConfig.DefaultStorage = storage.NewMMap("")
|
||||
}
|
||||
if flags.Addr != "" {
|
||||
clientConfig.SetListenAddr(flags.Addr)
|
||||
}
|
||||
if flags.UploadRate != nil {
|
||||
clientConfig.UploadRateLimiter = rate.NewLimiter(rate.Limit(*flags.UploadRate), 256<<10)
|
||||
}
|
||||
if flags.DownloadRate != nil {
|
||||
clientConfig.DownloadRateLimiter = rate.NewLimiter(rate.Limit(*flags.DownloadRate), 1<<20)
|
||||
}
|
||||
if flags.Quiet {
|
||||
clientConfig.Logger = log.Discard
|
||||
}
|
||||
if flags.RequireFastExtension {
|
||||
clientConfig.MinPeerExtensions.SetBit(pp.ExtensionBitFast, true)
|
||||
}
|
||||
clientConfig.MaxUnverifiedBytes = flags.MaxUnverifiedBytes.Int64()
|
||||
|
||||
var stop missinggo.SynchronizedEvent
|
||||
defer func() {
|
||||
stop.Set()
|
||||
}()
|
||||
|
||||
client, err := torrent.NewClient(clientConfig)
|
||||
if err != nil {
|
||||
return fmt.Errorf("creating client: %w", err)
|
||||
}
|
||||
var clientClose sync.Once //In certain situations, close was being called more than once.
|
||||
defer clientClose.Do(func() { client.Close() })
|
||||
go exitSignalHandlers(&stop)
|
||||
go func() {
|
||||
<-stop.C()
|
||||
clientClose.Do(func() { client.Close() })
|
||||
}()
|
||||
|
||||
// Write status on the root path on the default HTTP muxer. This will be bound to localhost
|
||||
// somewhere if GOPPROF is set, thanks to the envpprof import.
|
||||
http.HandleFunc("/", func(w http.ResponseWriter, req *http.Request) {
|
||||
client.WriteStatus(w)
|
||||
})
|
||||
err = addTorrents(client, flags)
|
||||
started := time.Now()
|
||||
if err != nil {
|
||||
return fmt.Errorf("adding torrents: %w", err)
|
||||
}
|
||||
defer outputStats(client, flags)
|
||||
if client.WaitAll() {
|
||||
log.Print("downloaded ALL the torrents")
|
||||
} else {
|
||||
err = errors.New("y u no complete torrents?!")
|
||||
}
|
||||
clientConnStats := client.ConnStats()
|
||||
log.Printf("average download rate: %v",
|
||||
humanize.Bytes(uint64(
|
||||
time.Duration(
|
||||
clientConnStats.BytesReadUsefulData.Int64(),
|
||||
)*time.Second/time.Since(started),
|
||||
)))
|
||||
if flags.Seed {
|
||||
if len(client.Torrents()) == 0 {
|
||||
log.Print("no torrents to seed")
|
||||
} else {
|
||||
outputStats(client, flags)
|
||||
<-stop.C()
|
||||
}
|
||||
}
|
||||
spew.Dump(expvar.Get("torrent").(*expvar.Map).Get("chunks received"))
|
||||
spew.Dump(client.ConnStats())
|
||||
clStats := client.ConnStats()
|
||||
sentOverhead := clStats.BytesWritten.Int64() - clStats.BytesWrittenData.Int64()
|
||||
log.Printf(
|
||||
"client read %v, %.1f%% was useful data. sent %v non-data bytes",
|
||||
humanize.Bytes(uint64(clStats.BytesRead.Int64())),
|
||||
100*float64(clStats.BytesReadUsefulData.Int64())/float64(clStats.BytesRead.Int64()),
|
||||
humanize.Bytes(uint64(sentOverhead)))
|
||||
return err
|
||||
}
|
||||
|
||||
func outputStats(cl *torrent.Client, args downloadFlags) {
|
||||
if !statsEnabled(args) {
|
||||
return
|
||||
}
|
||||
expvar.Do(func(kv expvar.KeyValue) {
|
||||
fmt.Printf("%s: %s\n", kv.Key, kv.Value)
|
||||
})
|
||||
cl.WriteStatus(os.Stdout)
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in New Issue