195 lines
5 KiB
Go
195 lines
5 KiB
Go
package main
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import (
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"bufio"
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"fmt"
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"os"
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"os/signal"
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"path/filepath"
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"runtime"
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"syscall"
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"time"
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"github.com/anacrolix/missinggo/v2/filecache"
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"github.com/anacrolix/torrent/storage"
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"github.com/distribyted/distribyted/config"
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"github.com/distribyted/distribyted/fs"
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"github.com/rs/zerolog/log"
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"github.com/urfave/cli/v2"
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"github.com/distribyted/distribyted/fuse"
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"github.com/distribyted/distribyted/http"
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dlog "github.com/distribyted/distribyted/log"
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"github.com/distribyted/distribyted/torrent"
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"github.com/distribyted/distribyted/torrent/loader"
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"github.com/distribyted/distribyted/webdav"
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)
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const (
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configFlag = "config"
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fuseAllowOther = "fuse-allow-other"
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portFlag = "http-port"
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webDAVPortFlag = "webdav-port"
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)
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func main() {
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app := &cli.App{
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Name: "distribyted",
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Usage: "Torrent client with on-demand file downloading as a filesystem.",
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Flags: []cli.Flag{
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&cli.StringFlag{
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Name: configFlag,
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Value: "./distribyted-data/config/config.yaml",
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EnvVars: []string{"DISTRIBYTED_CONFIG"},
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Usage: "YAML file containing distribyted configuration.",
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},
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&cli.IntFlag{
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Name: portFlag,
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Value: 4444,
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EnvVars: []string{"DISTRIBYTED_HTTP_PORT"},
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Usage: "HTTP port for web interface.",
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},
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&cli.IntFlag{
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Name: webDAVPortFlag,
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Value: 36911,
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EnvVars: []string{"DISTRIBYTED_WEBDAV_PORT"},
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Usage: "Port used for WebDAV interface.",
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},
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&cli.BoolFlag{
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Name: fuseAllowOther,
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Value: false,
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EnvVars: []string{"DISTRIBYTED_FUSE_ALLOW_OTHER"},
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Usage: "Allow other users to access all fuse mountpoints. You need to add user_allow_other flag to /etc/fuse.conf file.",
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},
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},
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Action: func(c *cli.Context) error {
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err := load(c.String(configFlag), c.Int(portFlag), c.Int(webDAVPortFlag), c.Bool(fuseAllowOther))
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// stop program execution on errors to avoid flashing consoles
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if err != nil && runtime.GOOS == "windows" {
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log.Error().Err(err).Msg("problem starting application")
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fmt.Print("Press 'Enter' to continue...")
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bufio.NewReader(os.Stdin).ReadBytes('\n')
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}
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return err
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},
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HideHelpCommand: true,
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}
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if err := app.Run(os.Args); err != nil {
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log.Fatal().Err(err).Msg("problem starting application")
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}
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}
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func load(configPath string, port, webDAVPort int, fuseAllowOther bool) error {
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ch := config.NewHandler(configPath)
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conf, err := ch.Get()
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if err != nil {
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return fmt.Errorf("error loading configuration: %w", err)
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}
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dlog.Load(conf.Log)
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if err := os.MkdirAll(conf.Torrent.MetadataFolder, 0744); err != nil {
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return fmt.Errorf("error creating metadata folder: %w", err)
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}
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cf := filepath.Join(conf.Torrent.MetadataFolder, "cache")
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fc, err := filecache.NewCache(cf)
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if err != nil {
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return fmt.Errorf("error creating cache: %w", err)
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}
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st := storage.NewResourcePieces(fc.AsResourceProvider())
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// cache is not working with windows
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if runtime.GOOS == "windows" {
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st = storage.NewFile(cf)
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}
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fis, err := torrent.NewFileItemStore(filepath.Join(conf.Torrent.MetadataFolder, "items"), 2*time.Hour)
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if err != nil {
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return fmt.Errorf("error starting item store: %w", err)
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}
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c, err := torrent.NewClient(st, fis, conf.Torrent)
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if err != nil {
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return fmt.Errorf("error starting torrent client: %w", err)
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}
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cl := loader.NewConfig(conf.Routes)
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ss := torrent.NewStats()
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dbl, err := loader.NewDB(filepath.Join(conf.Torrent.MetadataFolder, "magnetdb"))
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if err != nil {
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return fmt.Errorf("error starting magnet database: %w", err)
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}
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ts := torrent.NewService(cl, dbl, ss, c, conf.Torrent.AddTimeout)
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mh := fuse.NewHandler(fuseAllowOther || conf.Fuse.AllowOther, conf.Fuse.Path)
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sigChan := make(chan os.Signal)
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signal.Notify(sigChan, os.Interrupt, syscall.SIGINT, syscall.SIGTERM)
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go func() {
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<-sigChan
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log.Info().Msg("closing items database...")
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fis.Close()
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log.Info().Msg("closing magnet database...")
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dbl.Close()
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log.Info().Msg("closing torrent client...")
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c.Close()
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log.Info().Msg("unmounting fuse filesystem...")
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mh.Unmount()
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log.Info().Msg("exiting")
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os.Exit(1)
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}()
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log.Info().Msg(fmt.Sprintf("setting cache size to %d MB", conf.Torrent.GlobalCacheSize))
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fc.SetCapacity(conf.Torrent.GlobalCacheSize * 1024 * 1024)
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fss, err := ts.Load()
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if err != nil {
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return fmt.Errorf("error when loading torrents: %w", err)
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}
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go func() {
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if err := mh.Mount(fss); err != nil {
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log.Info().Err(err).Msg("error mounting filesystems")
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}
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}()
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go func() {
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if conf.WebDAV != nil {
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port = webDAVPort
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if port == 0 {
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port = conf.WebDAV.Port
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}
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cfs, err := fs.NewContainerFs(fss)
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if err != nil {
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log.Error().Err(err).Msg("error adding files to webDAV")
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return
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}
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if err := webdav.NewWebDAVServer(cfs, port, conf.WebDAV.User, conf.WebDAV.Pass); err != nil {
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log.Error().Err(err).Msg("error starting webDAV")
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}
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}
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log.Warn().Msg("webDAV configuration not found!")
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}()
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logFilename := filepath.Join(conf.Log.Path, dlog.FileName)
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err = http.New(fc, ss, ts, ch, port, logFilename)
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log.Error().Err(err).Msg("error initializing HTTP server")
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return err
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}
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