tracker/server/serve_scrape.go
2014-06-23 22:47:43 -04:00

71 lines
1.5 KiB
Go

// Copyright 2013 The Chihaya Authors. All rights reserved.
// Use of this source code is governed by the BSD 2-Clause license,
// which can be found in the LICENSE file.
package server
import (
"io"
"net/http"
log "github.com/golang/glog"
"github.com/chihaya/chihaya/bencode"
"github.com/chihaya/chihaya/models"
)
func (s *Server) serveScrape(w http.ResponseWriter, r *http.Request) {
scrape, err := models.NewScrape(r, s.conf)
if err != nil {
fail(err, w, r)
return
}
conn, err := s.trackerPool.Get()
if err != nil {
fail(err, w, r)
}
if s.conf.Private {
_, err = conn.FindUser(scrape.Passkey)
if err != nil {
fail(err, w, r)
return
}
}
var torrents []*models.Torrent
for _, infohash := range scrape.Infohashes {
torrent, err := conn.FindTorrent(infohash)
if err != nil {
fail(err, w, r)
return
}
torrents = append(torrents, torrent)
}
bencoder := bencode.NewEncoder(w)
bencoder.Encode("d")
bencoder.Encode("files")
for _, torrent := range torrents {
writeTorrentStatus(w, torrent)
}
bencoder.Encode("e")
log.V(3).Infof("chihaya: handled scrape from %s", r.RemoteAddr)
w.(http.Flusher).Flush()
}
func writeTorrentStatus(w io.Writer, t *models.Torrent) {
bencoder := bencode.NewEncoder(w)
bencoder.Encode("t.Infohash")
bencoder.Encode("d")
bencoder.Encode("complete")
bencoder.Encode(len(t.Seeders))
bencoder.Encode("downloaded")
bencoder.Encode(t.Snatches)
bencoder.Encode("incomplete")
bencoder.Encode(len(t.Leechers))
bencoder.Encode("e")
}