forked from cenkalti/rain
/
torrent_close.go
74 lines (64 loc) 路 1.82 KB
/
torrent_close.go
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package torrent
import (
"errors"
"github.com/ganqierwu/rain/internal/infodownloader"
"github.com/ganqierwu/rain/internal/peer"
"github.com/ganqierwu/rain/internal/piecedownloader"
"github.com/ganqierwu/rain/internal/webseedsource"
)
var errClosed = errors.New("torrent is closed")
func (t *torrent) close() {
// Stop if running.
t.stop(errClosed)
// Maybe we are in "Stopping" state. Close "stopped" event announcer.
if t.stoppedEventAnnouncer != nil {
t.stoppedEventAnnouncer.Close()
}
t.downloadSpeed.Stop()
t.uploadSpeed.Stop()
}
func (t *torrent) closePeer(pe *peer.Peer) {
pe.Close()
if pd, ok := t.pieceDownloaders[pe]; ok {
t.closePieceDownloader(pd)
}
if id, ok := t.infoDownloaders[pe]; ok {
t.closeInfoDownloader(id)
}
delete(t.peers, pe)
delete(t.incomingPeers, pe)
delete(t.outgoingPeers, pe)
delete(t.peerIDs, pe.ID)
delete(t.connectedPeerIPs, pe.Conn.IP())
if t.piecePicker != nil {
t.piecePicker.HandleDisconnect(pe)
}
t.unchoker.HandleDisconnect(pe)
t.pexDropPeer(pe.Addr())
t.dialAddresses()
t.session.metrics.Peers.Dec(1)
}
func (t *torrent) closeWebseedDownloader(src *webseedsource.WebseedSource) {
t.piecePicker.CloseWebseedDownloader(src)
}
func (t *torrent) closePieceDownloader(pd *piecedownloader.PieceDownloader) {
pe := pd.Peer.(*peer.Peer)
_, open := t.pieceDownloaders[pe]
if !open {
return
}
delete(t.pieceDownloaders, pe)
delete(t.pieceDownloadersSnubbed, pe)
delete(t.pieceDownloadersChoked, pe)
if t.piecePicker != nil {
t.piecePicker.HandleCancelDownload(pe, pd.Piece.Index)
}
pe.Downloading = false
if t.session.ram != nil {
t.session.ram.Release(int64(t.info.PieceLength))
}
}
func (t *torrent) closeInfoDownloader(id *infodownloader.InfoDownloader) {
delete(t.infoDownloaders, id.Peer.(*peer.Peer))
delete(t.infoDownloadersSnubbed, id.Peer.(*peer.Peer))
}