func ReplicatedDelete(masterNode string, store *storage.Store,
volumeId storage.VolumeId, n *storage.Needle,
r *http.Request) (ret uint32) {
//check JWT
jwt := security.GetJwt(r)
ret, err := store.Delete(volumeId, n)
if err != nil {
glog.V(0).Infoln("delete error:", err)
return
}
needToReplicate := !store.HasVolume(volumeId)
if !needToReplicate && ret > 0 {
needToReplicate = store.GetVolume(volumeId).NeedToReplicate()
}
if needToReplicate { //send to other replica locations
if r.FormValue("type") != "replicate" {
if !distributedOperation(masterNode, store, volumeId, func(location operation.Location) bool {
return nil == util.Delete("http://"+location.Url+r.URL.Path+"?type=replicate", jwt)
}) {
ret = 0
}
}
}
return
}
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()
assignResult, ae := operation.Assign(masterUrl, 1, r.FormValue("replication"), r.FormValue("collection"), r.FormValue("ttl"))
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
}
func ReplicatedWrite(masterNode string, s *storage.Store,
volumeId storage.VolumeId, needle *storage.Needle,
r *http.Request) (size uint32, errorStatus string) {
//check JWT
jwt := security.GetJwt(r)
ret, err := s.Write(volumeId, needle)
needToReplicate := !s.HasVolume(volumeId)
if err != nil {
errorStatus = "Failed to write to local disk (" + err.Error() + ")"
} else if ret > 0 {
needToReplicate = needToReplicate || s.GetVolume(volumeId).NeedToReplicate()
} else {
errorStatus = "Failed to write to local disk"
}
if !needToReplicate && ret > 0 {
needToReplicate = s.GetVolume(volumeId).NeedToReplicate()
}
if needToReplicate { //send to other replica locations
if r.FormValue("type") != "replicate" {
if !distributedOperation(masterNode, s, volumeId, func(location operation.Location) bool {
_, err := operation.Upload(
"http://"+location.Url+r.URL.Path+"?type=replicate&ts="+strconv.FormatUint(needle.LastModified, 10),
string(needle.Name), bytes.NewReader(needle.Data), needle.IsGzipped(), string(needle.Mime),
jwt)
return err == nil
}) {
ret = 0
errorStatus = "Failed to write to replicas for volume " + volumeId.String()
}
}
}
size = ret
return
}