package weed_server import ( "errors" "net/http" "github.com/chrislusf/seaweedfs/go/glog" "github.com/chrislusf/seaweedfs/go/operation" "github.com/chrislusf/seaweedfs/go/storage" "github.com/chrislusf/seaweedfs/go/topology" ) func (vs *VolumeServer) PostHandler(w http.ResponseWriter, r *http.Request) { if e := r.ParseForm(); e != nil { glog.V(0).Infoln("form parse error:", e) writeJsonError(w, r, http.StatusBadRequest, e) return } vid, _, _, _, _ := parseURLPath(r.URL.Path) volumeId, ve := storage.NewVolumeId(vid) if ve != nil { glog.V(0).Infoln("NewVolumeId error:", ve) writeJsonError(w, r, http.StatusBadRequest, ve) return } needle, ne := storage.NewNeedle(r, vs.FixJpgOrientation) if ne != nil { writeJsonError(w, r, http.StatusBadRequest, ne) return } ret := operation.UploadResult{} size, errorStatus := topology.ReplicatedWrite(vs.GetMasterNode(), vs.store, volumeId, needle, r) httpStatus := http.StatusCreated if errorStatus != "" { httpStatus = http.StatusInternalServerError ret.Error = errorStatus } if needle.HasName() { ret.Name = string(needle.Name) } ret.Size = size writeJsonQuiet(w, r, httpStatus, ret) } func (vs *VolumeServer) DeleteHandler(w http.ResponseWriter, r *http.Request) { n := new(storage.Needle) vid, fid, _, _, _ := parseURLPath(r.URL.Path) volumeId, _ := storage.NewVolumeId(vid) n.ParsePath(fid) glog.V(2).Infoln("deleting", n) cookie := n.Cookie count, ok := vs.store.Read(volumeId, n) if ok != nil { m := make(map[string]uint32) m["size"] = 0 writeJsonQuiet(w, r, http.StatusNotFound, m) return } if n.Cookie != cookie { glog.V(0).Infoln("delete", r.URL.Path, "with unmaching cookie from ", r.RemoteAddr, "agent", r.UserAgent()) return } ret := topology.ReplicatedDelete(vs.GetMasterNode(), vs.store, volumeId, n, r) if ret != 0 { m := make(map[string]uint32) m["size"] = uint32(count) writeJsonQuiet(w, r, http.StatusAccepted, m) } else { writeJsonError(w, r, http.StatusInternalServerError, errors.New("Deletion Failed.")) } } //Experts only: takes multiple fid parameters. This function does not propagate deletes to replicas. func (vs *VolumeServer) batchDeleteHandler(w http.ResponseWriter, r *http.Request) { r.ParseForm() var ret []operation.DeleteResult for _, fid := range r.Form["fid"] { vid, id_cookie, err := operation.ParseFileId(fid) if err != nil { ret = append(ret, operation.DeleteResult{Fid: fid, Error: err.Error()}) continue } n := new(storage.Needle) volumeId, _ := storage.NewVolumeId(vid) n.ParsePath(id_cookie) glog.V(4).Infoln("batch deleting", n) cookie := n.Cookie if _, err := vs.store.Read(volumeId, n); err != nil { ret = append(ret, operation.DeleteResult{Fid: fid, Error: err.Error()}) continue } if n.Cookie != cookie { ret = append(ret, operation.DeleteResult{Fid: fid, Error: "File Random Cookie does not match."}) glog.V(0).Infoln("deleting", fid, "with unmaching cookie from ", r.RemoteAddr, "agent", r.UserAgent()) return } if size, err := vs.store.Delete(volumeId, n); err != nil { ret = append(ret, operation.DeleteResult{Fid: fid, Error: err.Error()}) } else { ret = append(ret, operation.DeleteResult{Fid: fid, Size: int(size)}) } } writeJsonQuiet(w, r, http.StatusAccepted, ret) }