cmd/btrtrc/main.go

   1 package main
   2
   3 import (
   4         "flag"
   5         "log"
   6         "net"
   7         "os"
   8         "os/signal"
   9         "strings"
  10         "sync"
  11         "syscall"
  12
  13         "github.com/anacrolix/dht/v2"
  14         analog "github.com/anacrolix/log"
  15
  16         "github.com/anacrolix/torrent"
  17         "github.com/anacrolix/torrent/storage"
  18 )
  19
  20 const TorrentExt = ".torrent"
  21
  22 var (
  23         Cancel = make(chan struct{})
  24         Jobs   sync.WaitGroup
  25 )
  26
  27 func main() {
  28         log.SetFlags(log.Ldate | log.Ltime)
  29         dhtBoot := flag.String("dht", "dht.cypherpunks.ru:8991", "Comma-separated list of DHT bootstrap nodes")
  30         addr := flag.String("bind", "[::]:6881", "Address to bind to")
  31         pub4 := flag.String("4", "", "External IPv4 address")
  32         pub6 := flag.String("6", "", "External IPv6 address")
  33         debug := flag.Bool("debug", false, "Enable debug messages")
  34         noDHT := flag.Bool("nodht", false, "Disable DHT")
  35         verify := flag.Bool("verify", false, "Force verification of provided torrents")
  36         flag.Parse()
  37
  38         dht.DefaultGlobalBootstrapHostPorts = strings.Split(*dhtBoot, ",")
  39         cc := torrent.NewDefaultClientConfig()
  40         cc.Debug = *debug
  41         cc.DisableAcceptRateLimiting = true
  42         cc.NoDefaultPortForwarding = true
  43         cc.DisableWebtorrent = true
  44         cc.Logger = analog.Default.WithNames("main", "client")
  45         cc.HTTPUserAgent = "btrtrc/0.1.0"
  46         cc.ExtendedHandshakeClientVersion = "btrtrc/0.1.0"
  47         cc.DefaultStorage = storage.NewFileWithCompletion(".", NewBFPieceCompletion())
  48         if *verify {
  49                 doVerify(cc, flag.Args())
  50                 return
  51         }
  52         cc.Seed = true
  53         if *pub4 == "" {
  54                 cc.DisableIPv4 = true
  55         } else {
  56                 cc.PublicIp4 = net.ParseIP(*pub4).To4()
  57         }
  58         if *pub6 == "" {
  59                 cc.DisableIPv6 = true
  60         } else {
  61                 cc.PublicIp6 = net.ParseIP(*pub6).To16()
  62         }
  63         cc.NoDHT = *noDHT
  64         cc.SetListenAddr(*addr)
  65         client, err := torrent.NewClient(cc)
  66         if err != nil {
  67                 log.Fatalln("torrent.NewClient:", err)
  68         }
  69         defer client.Close()
  70
  71         needsShutdown := make(chan os.Signal)
  72         signal.Notify(needsShutdown, syscall.SIGTERM, syscall.SIGINT)
  73         go func() {
  74                 <-needsShutdown
  75                 close(Cancel)
  76                 client.Close()
  77         }()
  78
  79         fifosPrepare()
  80         log.Println("started", client.PublicIPs())
  81         Jobs.Add(1)
  82         go overallStatus(client)
  83         go fifoList(client)
  84         go fifoDHTList(client)
  85         go fifoAdd(client)
  86         go fifoDel(client)
  87         Jobs.Add(1)
  88         go txStatsDumper(client)
  89         <-client.Closed()
  90         Jobs.Wait()
  91         fifosCleanup()
  92         log.Println("finished")
  93 }