Exemplo n.º 1
0
func writeFiles(idChan chan int, fileIdLineChan chan string, s *stat) {
	defer wait.Done()
	delayedDeleteChan := make(chan *delayedFile, 100)
	var waitForDeletions sync.WaitGroup
	secret := security.Secret(*b.secretKey)

	for i := 0; i < 7; i++ {
		waitForDeletions.Add(1)
		go func() {
			defer waitForDeletions.Done()
			for df := range delayedDeleteChan {
				if df.enterTime.After(time.Now()) {
					time.Sleep(df.enterTime.Sub(time.Now()))
				}
				if e := util.Delete("http://"+df.fp.Server+"/"+df.fp.Fid,
					security.GenJwt(secret, df.fp.Fid)); e == nil {
					s.completed++
				} else {
					s.failed++
				}
			}
		}()
	}

	for id := range idChan {
		start := time.Now()
		fileSize := int64(*b.fileSize + rand.Intn(64))
		fp := &operation.FilePart{Reader: &FakeReader{id: uint64(id), size: fileSize}, FileSize: fileSize}
		ar := &operation.VolumeAssignRequest{
			Count:      1,
			Collection: *b.collection,
		}
		if assignResult, err := operation.Assign(*b.server, ar); err == nil {
			fp.Server, fp.Fid, fp.Collection = assignResult.Url, assignResult.Fid, *b.collection
			if _, err := fp.Upload(0, *b.server, secret); err == nil {
				if rand.Intn(100) < *b.deletePercentage {
					s.total++
					delayedDeleteChan <- &delayedFile{time.Now().Add(time.Second), fp}
				} else {
					fileIdLineChan <- fp.Fid
				}
				s.completed++
				s.transferred += fileSize
			} else {
				s.failed++
				fmt.Printf("Failed to write with error:%v\n", err)
			}
			writeStats.addSample(time.Now().Sub(start))
			if *cmdBenchmark.IsDebug {
				fmt.Printf("writing %d file %s\n", id, fp.Fid)
			}
		} else {
			s.failed++
			println("writing file error:", err.Error())
		}
	}
	close(delayedDeleteChan)
	waitForDeletions.Wait()
}
Exemplo n.º 2
0
func submitForClientHandler(w http.ResponseWriter, r *http.Request, masterUrl string) {
	jwt := security.GetJwt(r)
	m := make(map[string]interface{})
	if r.Method != "POST" {
		writeJsonError(w, r, http.StatusMethodNotAllowed, errors.New("Only submit via POST!"))
		return
	}

	debug("parsing upload file...")
	fname, data, mimeType, isGzipped, lastModified, _, _, pe := storage.ParseUpload(r)
	if pe != nil {
		writeJsonError(w, r, http.StatusBadRequest, pe)
		return
	}

	debug("assigning file id for", fname)
	r.ParseForm()
	ar := &operation.VolumeAssignRequest{
		Count:       1,
		Replication: r.FormValue("replication"),
		Collection:  r.FormValue("collection"),
		Ttl:         r.FormValue("ttl"),
	}
	assignResult, ae := operation.Assign(masterUrl, ar)
	if ae != nil {
		writeJsonError(w, r, http.StatusInternalServerError, ae)
		return
	}

	url := "http://" + assignResult.Url + "/" + assignResult.Fid
	if lastModified != 0 {
		url = url + "?ts=" + strconv.FormatUint(lastModified, 10)
	}

	debug("upload file to store", url)
	uploadResult, err := operation.Upload(url, fname, bytes.NewReader(data), isGzipped, mimeType, jwt)
	if err != nil {
		writeJsonError(w, r, http.StatusInternalServerError, err)
		return
	}

	m["fileName"] = fname
	m["fid"] = assignResult.Fid
	m["fileUrl"] = assignResult.PublicUrl + "/" + assignResult.Fid
	m["size"] = uploadResult.Size
	writeJsonQuiet(w, r, http.StatusCreated, m)
	return
}
Exemplo n.º 3
0
func (fs *FilerServer) PostHandler(w http.ResponseWriter, r *http.Request) {
	query := r.URL.Query()
	replication := query.Get("replication")
	if replication == "" {
		replication = fs.defaultReplication
	}
	collection := query.Get("collection")
	if collection == "" {
		collection = fs.collection
	}

	var fileId string
	var err error
	var urlLocation string
	if r.Method == "PUT" {
		buf, _ := ioutil.ReadAll(r.Body)
		r.Body = analogueReader{bytes.NewBuffer(buf)}
		fileName, _, _, _, _, _, _, pe := storage.ParseUpload(r)
		if pe != nil {
			glog.V(0).Infoln("failing to parse post body", pe.Error())
			writeJsonError(w, r, http.StatusInternalServerError, pe)
			return
		}
		//reconstruct http request body for following new request to volume server
		r.Body = analogueReader{bytes.NewBuffer(buf)}

		path := r.URL.Path
		if strings.HasSuffix(path, "/") {
			if fileName != "" {
				path += fileName
			}
		}

		if fileId, err = fs.filer.FindFile(path); err != nil && err != leveldb.ErrNotFound {
			glog.V(0).Infoln("failing to find path in filer store", path, err.Error())
			writeJsonError(w, r, http.StatusInternalServerError, err)
			return
		} else if fileId != "" && err == nil {
			var le error
			urlLocation, le = operation.LookupFileId(fs.master, fileId, collection, false)
			if le != nil {
				glog.V(1).Infoln("operation LookupFileId %s failed, err is %s", fileId, le.Error())
				w.WriteHeader(http.StatusNotFound)
				return
			}
		}
	} else {
		assignResult, ae := operation.Assign(fs.master, 1, replication, collection, query.Get("ttl"))
		if ae != nil {
			glog.V(0).Infoln("failing to assign a file id", ae.Error())
			writeJsonError(w, r, http.StatusInternalServerError, ae)
			return
		}
		fileId = assignResult.Fid
		urlLocation = "http://" + assignResult.Url + "/" + assignResult.Fid
	}

	u, _ := url.Parse(urlLocation)
	glog.V(4).Infoln("post to", u)
	request := &http.Request{
		Method:        r.Method,
		URL:           u,
		Proto:         r.Proto,
		ProtoMajor:    r.ProtoMajor,
		ProtoMinor:    r.ProtoMinor,
		Header:        r.Header,
		Body:          r.Body,
		Host:          r.Host,
		ContentLength: r.ContentLength,
	}
	resp, do_err := util.HttpDo(request)
	if do_err != nil {
		glog.V(0).Infoln("failing to connect to volume server", r.RequestURI, do_err.Error())
		writeJsonError(w, r, http.StatusInternalServerError, do_err)
		return
	}
	defer resp.Body.Close()
	resp_body, ra_err := ioutil.ReadAll(resp.Body)
	if ra_err != nil {
		glog.V(0).Infoln("failing to upload to volume server", r.RequestURI, ra_err.Error())
		writeJsonError(w, r, http.StatusInternalServerError, ra_err)
		return
	}
	glog.V(4).Infoln("post result", string(resp_body))
	var ret operation.UploadResult
	unmarshal_err := json.Unmarshal(resp_body, &ret)
	if unmarshal_err != nil {
		glog.V(0).Infoln("failing to read upload resonse", r.RequestURI, string(resp_body))
		writeJsonError(w, r, http.StatusInternalServerError, unmarshal_err)
		return
	}
	if ret.Error != "" {
		glog.V(0).Infoln("failing to post to volume server", r.RequestURI, ret.Error)
		writeJsonError(w, r, http.StatusInternalServerError, errors.New(ret.Error))
		return
	}
	path := r.URL.Path
	if strings.HasSuffix(path, "/") {
		if ret.Name != "" {
			path += ret.Name
		} else {
			operation.DeleteFile(fs.master, fileId, collection, fs.jwt(fileId)) //clean up
			glog.V(0).Infoln("Can not to write to folder", path, "without a file name!")
			writeJsonError(w, r, http.StatusInternalServerError,
				errors.New("Can not to write to folder "+path+" without a file name"))
			return
		}
	}
	glog.V(4).Infoln("saving", path, "=>", fileId)
	if db_err := fs.filer.CreateFile(path, fileId); db_err != nil {
		operation.DeleteFile(fs.master, fileId, collection, fs.jwt(fileId)) //clean up
		glog.V(0).Infof("failing to write %s to filer server : %v", path, db_err)
		writeJsonError(w, r, http.StatusInternalServerError, db_err)
		return
	}
	w.WriteHeader(http.StatusCreated)
	w.Write(resp_body)
}