tracker/http/http.go

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// Copyright 2014 The Chihaya Authors. All rights reserved.
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// Use of this source code is governed by the BSD 2-Clause license,
// which can be found in the LICENSE file.
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// Package http implements an http-serving BitTorrent tracker.
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package http
import (
"net/http"
"time"
"github.com/golang/glog"
"github.com/julienschmidt/httprouter"
"github.com/stretchr/graceful"
"github.com/chihaya/chihaya/config"
"github.com/chihaya/chihaya/tracker"
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)
type ResponseHandler func(http.ResponseWriter, *http.Request, httprouter.Params) (int, error)
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type Server struct {
config *config.Config
tracker *tracker.Tracker
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}
func makeHandler(handler ResponseHandler) httprouter.Handle {
return func(w http.ResponseWriter, r *http.Request, p httprouter.Params) {
start := time.Now()
httpCode, err := handler(w, r, p)
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if err != nil {
http.Error(w, err.Error(), httpCode)
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}
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if glog.V(2) {
glog.Infof(
"Completed %v %s %s in %v",
httpCode,
http.StatusText(httpCode),
r.URL.Path,
time.Since(start),
)
}
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}
}
func newRouter(s *Server) *httprouter.Router {
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r := httprouter.New()
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if s.config.Private {
r.GET("/users/:passkey/announce", makeHandler(s.serveAnnounce))
r.GET("/users/:passkey/scrape", makeHandler(s.serveScrape))
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r.PUT("/users/:passkey", makeHandler(s.putUser))
r.DELETE("/users/:passkey", makeHandler(s.delUser))
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} else {
r.GET("/announce", makeHandler(s.serveAnnounce))
r.GET("/scrape", makeHandler(s.serveScrape))
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}
if s.config.Whitelist {
r.PUT("/clients/:clientID", makeHandler(s.putClient))
r.DELETE("/clients/:clientID", makeHandler(s.delClient))
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}
r.GET("/torrents/:infohash", makeHandler(s.getTorrent))
r.PUT("/torrents/:infohash", makeHandler(s.putTorrent))
r.DELETE("/torrents/:infohash", makeHandler(s.delTorrent))
r.GET("/check", makeHandler(s.check))
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return r
}
func Serve(cfg *config.Config, tkr *tracker.Tracker) {
srv := &Server{
config: cfg,
tracker: tkr,
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}
glog.V(0).Info("Starting on ", cfg.Addr)
graceful.Run(cfg.Addr, cfg.RequestTimeout.Duration, newRouter(srv))
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err := srv.tracker.Close()
if err != nil {
glog.Errorf("Failed to shutdown tracker cleanly: %s", err.Error())
}
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}