Files
TorrServerJellyfin/src/server/torr/btserver.go
2020-11-11 12:48:02 +03:00

126 lines
3.0 KiB
Go

package torr
import (
"log"
"sync"
"server/settings"
"server/torr/storage/torrstor"
"server/torr/utils"
"github.com/anacrolix/torrent"
"github.com/anacrolix/torrent/metainfo"
)
type BTServer struct {
config *torrent.ClientConfig
client *torrent.Client
storage *torrstor.Storage
torrents map[metainfo.Hash]*Torrent
mu sync.Mutex
}
func NewBTS() *BTServer {
bts := new(BTServer)
bts.torrents = make(map[metainfo.Hash]*Torrent)
return bts
}
func (bt *BTServer) Connect() error {
bt.mu.Lock()
defer bt.mu.Unlock()
var err error
bt.configure()
bt.client, err = torrent.NewClient(bt.config)
bt.torrents = make(map[metainfo.Hash]*Torrent)
InitApiHelper(bt)
return err
}
func (bt *BTServer) Disconnect() {
bt.mu.Lock()
defer bt.mu.Unlock()
if bt.client != nil {
bt.client.Close()
bt.client = nil
utils.FreeOSMemGC()
}
}
func (bt *BTServer) Reconnect() error {
bt.Disconnect()
return bt.Connect()
}
func (bt *BTServer) configure() {
bt.storage = torrstor.NewStorage(settings.BTsets.CacheSize)
blocklist, _ := utils.ReadBlockedIP()
userAgent := "uTorrent/3.5.5"
peerID := "-UT3550-"
cliVers := "µTorrent 3.5.5"
bt.config = torrent.NewDefaultClientConfig()
bt.config.Debug = settings.BTsets.EnableDebug
bt.config.DisableIPv6 = settings.BTsets.EnableIPv6 == false
bt.config.DisableTCP = settings.BTsets.DisableTCP
bt.config.DisableUTP = settings.BTsets.DisableUTP
bt.config.NoDefaultPortForwarding = settings.BTsets.DisableUPNP
bt.config.NoDHT = settings.BTsets.DisableDHT
bt.config.NoUpload = settings.BTsets.DisableUpload
// bt.config.EncryptionPolicy = torrent.EncryptionPolicy{
// DisableEncryption: settings.BTsets.Encryption == 1,
// ForceEncryption: settings.BTsets.Encryption == 2,
// }
bt.config.IPBlocklist = blocklist
bt.config.DefaultStorage = bt.storage
bt.config.Bep20 = peerID
bt.config.PeerID = utils.PeerIDRandom(peerID)
bt.config.HTTPUserAgent = userAgent
bt.config.ExtendedHandshakeClientVersion = cliVers
bt.config.EstablishedConnsPerTorrent = settings.BTsets.ConnectionsLimit
bt.config.DefaultRequestStrategy = torrent.RequestStrategyFastest()
if settings.BTsets.DhtConnectionLimit > 0 {
bt.config.ConnTracker.SetMaxEntries(settings.BTsets.DhtConnectionLimit)
}
if settings.BTsets.DownloadRateLimit > 0 {
bt.config.DownloadRateLimiter = utils.Limit(settings.BTsets.DownloadRateLimit * 1024)
}
if settings.BTsets.UploadRateLimit > 0 {
bt.config.UploadRateLimiter = utils.Limit(settings.BTsets.UploadRateLimit * 1024)
}
if settings.BTsets.PeersListenPort > 0 {
bt.config.ListenPort = settings.BTsets.PeersListenPort
}
log.Println("Configure client:", settings.BTsets)
}
func (bt *BTServer) GetTorrent(hash torrent.InfoHash) *Torrent {
if torr, ok := bt.torrents[hash]; ok {
return torr
}
return nil
}
func (bt *BTServer) ListTorrents() map[metainfo.Hash]*Torrent {
list := make(map[metainfo.Hash]*Torrent)
for k, v := range bt.torrents {
list[k] = v
}
return list
}
func (bt *BTServer) RemoveTorrent(hash torrent.InfoHash) {
if torr, ok := bt.torrents[hash]; ok {
torr.Close()
}
}