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routes.go
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routes.go
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// Copyright 2015 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 api
import (
"encoding/json"
"net/http"
"net/url"
"runtime"
"github.com/julienschmidt/httprouter"
"github.com/chihaya/chihaya/stats"
"github.com/chihaya/chihaya/tracker/models"
)
const jsonContentType = "application/json; charset=UTF-8"
func handleError(err error) (int, error) {
if err == nil {
return http.StatusOK, nil
} else if _, ok := err.(models.NotFoundError); ok {
stats.RecordEvent(stats.ClientError)
return http.StatusNotFound, nil
} else if _, ok := err.(models.ClientError); ok {
stats.RecordEvent(stats.ClientError)
return http.StatusBadRequest, nil
}
return http.StatusInternalServerError, err
}
func (s *Server) check(w http.ResponseWriter, r *http.Request, p httprouter.Params) (int, error) {
_, err := w.Write([]byte("STILL-ALIVE"))
return handleError(err)
}
func (s *Server) stats(w http.ResponseWriter, r *http.Request, p httprouter.Params) (int, error) {
w.Header().Set("Content-Type", jsonContentType)
var err error
var val interface{}
query := r.URL.Query()
stats.DefaultStats.GoRoutines = runtime.NumGoroutine()
if _, flatten := query["flatten"]; flatten {
val = stats.DefaultStats.Flattened()
} else {
val = stats.DefaultStats
}
if _, pretty := query["pretty"]; pretty {
var buf []byte
buf, err = json.MarshalIndent(val, "", " ")
if err == nil {
_, err = w.Write(buf)
}
} else {
err = json.NewEncoder(w).Encode(val)
}
return handleError(err)
}
func (s *Server) getTorrent(w http.ResponseWriter, r *http.Request, p httprouter.Params) (int, error) {
infohash, err := url.QueryUnescape(p.ByName("infohash"))
if err != nil {
return http.StatusNotFound, err
}
torrent, err := s.tracker.FindTorrent(infohash)
if err != nil {
return handleError(err)
}
w.Header().Set("Content-Type", jsonContentType)
e := json.NewEncoder(w)
return handleError(e.Encode(torrent))
}
func (s *Server) putTorrent(w http.ResponseWriter, r *http.Request, p httprouter.Params) (int, error) {
var torrent models.Torrent
err := json.NewDecoder(r.Body).Decode(&torrent)
if err != nil {
return http.StatusBadRequest, err
}
s.tracker.PutTorrent(&torrent)
return http.StatusOK, nil
}
func (s *Server) delTorrent(w http.ResponseWriter, r *http.Request, p httprouter.Params) (int, error) {
infohash, err := url.QueryUnescape(p.ByName("infohash"))
if err != nil {
return http.StatusNotFound, err
}
s.tracker.DeleteTorrent(infohash)
return http.StatusOK, nil
}
func (s *Server) getClient(w http.ResponseWriter, r *http.Request, p httprouter.Params) (int, error) {
if err := s.tracker.ClientApproved(p.ByName("clientID")); err != nil {
return http.StatusNotFound, err
}
return http.StatusOK, nil
}
func (s *Server) putClient(w http.ResponseWriter, r *http.Request, p httprouter.Params) (int, error) {
s.tracker.PutClient(p.ByName("clientID"))
return http.StatusOK, nil
}
func (s *Server) delClient(w http.ResponseWriter, r *http.Request, p httprouter.Params) (int, error) {
s.tracker.DeleteClient(p.ByName("clientID"))
return http.StatusOK, nil
}