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package weed_server
import ( "fmt" "net/http"
"github.com/chrislusf/seaweedfs/weed/glog" "github.com/chrislusf/seaweedfs/weed/storage" "github.com/chrislusf/seaweedfs/weed/storage/types" "github.com/chrislusf/seaweedfs/weed/util" )
func (vs *VolumeServer) getVolumeSyncStatusHandler(w http.ResponseWriter, r *http.Request) { v, err := vs.getVolume("volume", r) if v == nil { writeJsonError(w, r, http.StatusBadRequest, err) return } syncStat := v.GetVolumeSyncStatus() if syncStat.Error != "" { writeJsonError(w, r, http.StatusInternalServerError, fmt.Errorf("Get Volume %d status error: %s", v.Id, syncStat.Error)) glog.V(2).Infoln("getVolumeSyncStatusHandler volume =", r.FormValue("volume"), ", error =", err) } else { writeJsonQuiet(w, r, http.StatusOK, syncStat) } }
func (vs *VolumeServer) getVolumeIndexContentHandler(w http.ResponseWriter, r *http.Request) { v, err := vs.getVolume("volume", r) if v == nil { writeJsonError(w, r, http.StatusBadRequest, err) return } content, err := v.IndexFileContent() if err != nil { writeJsonError(w, r, http.StatusInternalServerError, err) return } w.Write(content) }
func (vs *VolumeServer) getVolumeDataContentHandler(w http.ResponseWriter, r *http.Request) { v, err := vs.getVolume("volume", r) if v == nil { writeJsonError(w, r, http.StatusBadRequest, fmt.Errorf("Not Found volume: %v", err)) return } if int(v.SuperBlock.CompactRevision) != util.ParseInt(r.FormValue("revision"), 0) { writeJsonError(w, r, http.StatusExpectationFailed, fmt.Errorf("Requested Volume Revision is %s, but current revision is %d", r.FormValue("revision"), v.SuperBlock.CompactRevision)) return } offset := uint32(util.ParseUint64(r.FormValue("offset"), 0)) size := uint32(util.ParseUint64(r.FormValue("size"), 0)) content, err := storage.ReadNeedleBlob(v.DataFile(), int64(offset)*types.NeedlePaddingSize, size) if err != nil { writeJsonError(w, r, http.StatusInternalServerError, err) return }
id, err := types.ParseNeedleId(r.FormValue("id")) if err != nil { writeJsonError(w, r, http.StatusBadRequest, err) return } n := new(storage.Needle) n.ParseNeedleHeader(content) if id != n.Id { writeJsonError(w, r, http.StatusNotFound, fmt.Errorf("Expected file entry id %d, but found %d", id, n.Id)) return }
w.Write(content) }
func (vs *VolumeServer) getVolumeId(volumeParameterName string, r *http.Request) (storage.VolumeId, error) { volumeIdString := r.FormValue(volumeParameterName)
if volumeIdString == "" { err := fmt.Errorf("Empty Volume Id: Need to pass in %s=the_volume_id.", volumeParameterName) return 0, err }
vid, err := storage.NewVolumeId(volumeIdString) if err != nil { err = fmt.Errorf("Volume Id %s is not a valid unsigned integer", volumeIdString) return 0, err }
return vid, err }
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