Exemplo n.º 1
0
// DoRPC acts as a switchboard for RPC commands.
func (d *Data) DoRPC(req datastore.Request, reply *datastore.Response) error {
	switch req.TypeCommand() {
	case "load":
		if len(req.Command) < 5 {
			return fmt.Errorf("Poorly formatted load command.  See command-line help.")
		}
		// Parse the request
		var uuidStr, dataName, cmdStr, offsetStr string
		filenames, err := req.FilenameArgs(1, &uuidStr, &dataName, &cmdStr, &offsetStr)
		if err != nil {
			return err
		}
		if len(filenames) == 0 {
			return fmt.Errorf("Need to include at least one file to add: %s", req)
		}

		// Get offset
		offset, err := dvid.StringToPoint(offsetStr, ",")
		if err != nil {
			return fmt.Errorf("Illegal offset specification: %s: %v", offsetStr, err)
		}

		// Get list of files to add
		var addedFiles string
		if len(filenames) == 1 {
			addedFiles = filenames[0]
		} else {
			addedFiles = fmt.Sprintf("filenames: %s [%d more]", filenames[0], len(filenames)-1)
		}
		dvid.Debugf(addedFiles + "\n")

		uuid, versionID, err := datastore.MatchingUUID(uuidStr)
		if err != nil {
			return err
		}
		if err = datastore.AddToNodeLog(uuid, []string{req.Command.String()}); err != nil {
			return err
		}
		if err = d.LoadImages(versionID, offset, filenames); err != nil {
			return err
		}
		if err := datastore.SaveDataByUUID(uuid, d); err != nil {
			return err
		}
		return nil

	case "composite":
		if len(req.Command) < 6 {
			return fmt.Errorf("Poorly formatted composite command.  See command-line help.")
		}
		return d.CreateComposite(req, reply)

	default:
		return fmt.Errorf("Unknown command.  Data type '%s' [%s] does not support '%s' command.",
			d.DataName(), d.TypeName(), req.TypeCommand())
	}
	return nil
}
Exemplo n.º 2
0
// ForegroundROI creates a new ROI by determining all non-background blocks.
func (d *Data) ForegroundROI(req datastore.Request, reply *datastore.Response) error {
	if d.Values.BytesPerElement() != 1 {
		return fmt.Errorf("Foreground ROI command only implemented for 1 byte/voxel data!")
	}

	// Parse the request
	var uuidStr, dataName, cmdStr, destName, backgroundStr string
	req.CommandArgs(1, &uuidStr, &dataName, &cmdStr, &destName, &backgroundStr)

	// Get the version and repo
	uuid, versionID, err := datastore.MatchingUUID(uuidStr)
	if err != nil {
		return err
	}
	if err = datastore.AddToNodeLog(uuid, []string{req.Command.String()}); err != nil {
		return err
	}

	// Use existing destination data or a new ROI data.
	var dest *roi.Data
	dest, err = roi.GetByUUID(uuid, dvid.InstanceName(destName))
	if err != nil {
		config := dvid.NewConfig()
		typeservice, err := datastore.TypeServiceByName("roi")
		if err != nil {
			return err
		}
		dataservice, err := datastore.NewData(uuid, typeservice, dvid.InstanceName(destName), config)
		if err != nil {
			return err
		}
		var ok bool
		dest, ok = dataservice.(*roi.Data)
		if !ok {
			return fmt.Errorf("Could not create ROI data instance")
		}
	}

	// Asynchronously process the voxels.
	background, err := dvid.StringToPointNd(backgroundStr, ",")
	if err != nil {
		return err
	}
	go d.foregroundROI(versionID, dest, background)

	return nil
}
Exemplo n.º 3
0
func postNodeLogHandler(c web.C, w http.ResponseWriter, r *http.Request) {
	uuid := c.Env["uuid"].(dvid.UUID)
	jsonData := make(map[string][]string)
	decoder := json.NewDecoder(r.Body)
	if err := decoder.Decode(&jsonData); err != nil && err != io.EOF {
		BadRequest(w, r, fmt.Sprintf("Malformed JSON request in body: %s", err))
		return
	}
	logdata, ok := jsonData["log"]
	if !ok {
		BadRequest(w, r, "Could not find 'log' value in POSTed JSON.")
	}
	if err := datastore.AddToNodeLog(uuid, logdata); err != nil {
		BadRequest(w, r, err)
		return
	}
}
Exemplo n.º 4
0
func (d *Data) ConstructTiles(uuidStr string, tileSpec TileSpec, request datastore.Request) error {
	config := request.Settings()
	uuid, versionID, err := datastore.MatchingUUID(uuidStr)
	if err != nil {
		return err
	}
	if err = datastore.AddToNodeLog(uuid, []string{request.Command.String()}); err != nil {
		return err
	}

	source, err := datastore.GetDataByUUID(uuid, d.Source)
	if err != nil {
		return err
	}
	src, ok := source.(*imageblk.Data)
	if !ok {
		return fmt.Errorf("Cannot construct imagetile for non-voxels data: %s", d.Source)
	}

	// Save the current tile specification
	d.Levels = tileSpec
	if err := datastore.SaveDataByUUID(uuid, d); err != nil {
		return err
	}

	// Get size of tile at lowest resolution.
	lastLevel := Scaling(len(tileSpec) - 1)
	loresSpec, found := tileSpec[lastLevel]
	if !found {
		return fmt.Errorf("Illegal tile spec.  Should have levels 0 to absent %d.", lastLevel)
	}
	var loresSize [3]float64
	for i := 0; i < 3; i++ {
		loresSize[i] = float64(loresSpec.Resolution[i]) * float64(DefaultTileSize[i])
	}
	loresMag := dvid.Point3d{1, 1, 1}
	for i := Scaling(0); i < lastLevel; i++ {
		levelMag := tileSpec[i].levelMag
		loresMag[0] *= levelMag[0]
		loresMag[1] *= levelMag[1]
		loresMag[2] *= levelMag[2]
	}

	// Get min and max points in terms of distance.
	var minPtDist, maxPtDist [3]float64
	for i := uint8(0); i < 3; i++ {
		minPtDist[i] = float64(src.MinPoint.Value(i)) * float64(src.VoxelSize[i])
		maxPtDist[i] = float64(src.MaxPoint.Value(i)) * float64(src.VoxelSize[i])
	}

	// Adjust min and max points for the tileable surface at lowest resolution.
	var minTiledPt, maxTiledPt dvid.Point3d
	for i := 0; i < 3; i++ {
		minInt, _ := math.Modf(minPtDist[i] / loresSize[i])
		maxInt, _ := math.Modf(maxPtDist[i] / loresSize[i])
		minTileCoord := int32(minInt)
		maxTileCoord := int32(maxInt)
		minTiledPt[i] = minTileCoord * DefaultTileSize[i] * loresMag[i]
		maxTiledPt[i] = (maxTileCoord+1)*DefaultTileSize[i]*loresMag[i] - 1
	}
	sizeVolume := maxTiledPt.Sub(minTiledPt).AddScalar(1)

	// Setup swappable ExtData buffers (the stitched slices) so we can be generating tiles
	// at same time we are reading and stitching them.
	var bufferLock [2]sync.Mutex
	var sliceBuffers [2]*imageblk.Voxels
	var bufferNum int

	// Get the planes we should tile.
	planes, err := config.GetShapes("planes", ";")
	if planes == nil {
		// If no planes are specified, construct imagetile for 3 orthogonal planes.
		planes = []dvid.DataShape{dvid.XY, dvid.XZ, dvid.YZ}
	}

	outF, err := d.putTileFunc(versionID)

	// sort the tile spec keys to iterate from highest to lowest resolution
	var sortedKeys []int
	for scaling, _ := range tileSpec {
		sortedKeys = append(sortedKeys, int(scaling))
	}
	sort.Ints(sortedKeys)

	for _, plane := range planes {
		timedLog := dvid.NewTimeLog()
		offset := minTiledPt.Duplicate()

		switch {

		case plane.Equals(dvid.XY):
			width, height, err := plane.GetSize2D(sizeVolume)
			if err != nil {
				return err
			}
			dvid.Debugf("Tiling XY image %d x %d pixels\n", width, height)
			for z := src.MinPoint.Value(2); z <= src.MaxPoint.Value(2); z++ {
				server.BlockOnInteractiveRequests("imagetile.ConstructTiles [xy]")

				sliceLog := dvid.NewTimeLog()
				offset = offset.Modify(map[uint8]int32{2: z})
				slice, err := dvid.NewOrthogSlice(dvid.XY, offset, dvid.Point2d{width, height})
				if err != nil {
					return err
				}
				bufferLock[bufferNum].Lock()
				sliceBuffers[bufferNum], err = src.NewVoxels(slice, nil)
				if err != nil {
					return err
				}
				if err = src.GetVoxels(versionID, sliceBuffers[bufferNum], nil); err != nil {
					return err
				}
				// Iterate through the different scales, extracting tiles at each resolution.
				go func(bufferNum int, offset dvid.Point) {
					defer bufferLock[bufferNum].Unlock()
					timedLog := dvid.NewTimeLog()
					for _, key := range sortedKeys {
						scaling := Scaling(key)
						levelSpec := tileSpec[scaling]
						if err != nil {
							dvid.Errorf("Error in tiling: %v\n", err)
							return
						}
						if err := d.extractTiles(sliceBuffers[bufferNum], offset, scaling, outF); err != nil {
							dvid.Errorf("Error in tiling: %v\n", err)
							return
						}
						if int(scaling) < len(tileSpec)-1 {
							if err := sliceBuffers[bufferNum].DownRes(levelSpec.levelMag); err != nil {
								dvid.Errorf("Error in tiling: %v\n", err)
								return
							}
						}
					}
					timedLog.Debugf("Tiled XY Tile using buffer %d", bufferNum)
				}(bufferNum, offset)

				sliceLog.Infof("Read XY Tile @ Z = %d, now tiling...", z)
				bufferNum = (bufferNum + 1) % 2
			}
			timedLog.Infof("Total time to generate XY Tiles")

		case plane.Equals(dvid.XZ):
			width, height, err := plane.GetSize2D(sizeVolume)
			if err != nil {
				return err
			}
			dvid.Debugf("Tiling XZ image %d x %d pixels\n", width, height)
			for y := src.MinPoint.Value(1); y <= src.MaxPoint.Value(1); y++ {
				server.BlockOnInteractiveRequests("imagetile.ConstructTiles [xz]")

				sliceLog := dvid.NewTimeLog()
				offset = offset.Modify(map[uint8]int32{1: y})
				slice, err := dvid.NewOrthogSlice(dvid.XZ, offset, dvid.Point2d{width, height})
				if err != nil {
					return err
				}
				bufferLock[bufferNum].Lock()
				sliceBuffers[bufferNum], err = src.NewVoxels(slice, nil)
				if err != nil {
					return err
				}
				if err = src.GetVoxels(versionID, sliceBuffers[bufferNum], nil); err != nil {
					return err
				}
				// Iterate through the different scales, extracting tiles at each resolution.
				go func(bufferNum int, offset dvid.Point) {
					defer bufferLock[bufferNum].Unlock()
					timedLog := dvid.NewTimeLog()
					for _, key := range sortedKeys {
						scaling := Scaling(key)
						levelSpec := tileSpec[scaling]
						if err != nil {
							dvid.Errorf("Error in tiling: %v\n", err)
							return
						}
						if err := d.extractTiles(sliceBuffers[bufferNum], offset, scaling, outF); err != nil {
							dvid.Errorf("Error in tiling: %v\n", err)
							return
						}
						if int(scaling) < len(tileSpec)-1 {
							if err := sliceBuffers[bufferNum].DownRes(levelSpec.levelMag); err != nil {
								dvid.Errorf("Error in tiling: %v\n", err)
								return
							}
						}
					}
					timedLog.Debugf("Tiled XZ Tile using buffer %d", bufferNum)
				}(bufferNum, offset)

				sliceLog.Infof("Read XZ Tile @ Y = %d, now tiling...", y)
				bufferNum = (bufferNum + 1) % 2
			}
			timedLog.Infof("Total time to generate XZ Tiles")

		case plane.Equals(dvid.YZ):
			width, height, err := plane.GetSize2D(sizeVolume)
			if err != nil {
				return err
			}
			dvid.Debugf("Tiling YZ image %d x %d pixels\n", width, height)
			for x := src.MinPoint.Value(0); x <= src.MaxPoint.Value(0); x++ {
				server.BlockOnInteractiveRequests("imagetile.ConstructTiles [yz]")

				sliceLog := dvid.NewTimeLog()
				offset = offset.Modify(map[uint8]int32{0: x})
				slice, err := dvid.NewOrthogSlice(dvid.YZ, offset, dvid.Point2d{width, height})
				if err != nil {
					return err
				}
				bufferLock[bufferNum].Lock()
				sliceBuffers[bufferNum], err = src.NewVoxels(slice, nil)
				if err != nil {
					return err
				}
				if err = src.GetVoxels(versionID, sliceBuffers[bufferNum], nil); err != nil {
					return err
				}
				// Iterate through the different scales, extracting tiles at each resolution.
				go func(bufferNum int, offset dvid.Point) {
					defer bufferLock[bufferNum].Unlock()
					timedLog := dvid.NewTimeLog()
					for _, key := range sortedKeys {
						scaling := Scaling(key)
						levelSpec := tileSpec[scaling]
						outF, err := d.putTileFunc(versionID)
						if err != nil {
							dvid.Errorf("Error in tiling: %v\n", err)
							return
						}
						if err := d.extractTiles(sliceBuffers[bufferNum], offset, scaling, outF); err != nil {
							dvid.Errorf("Error in tiling: %v\n", err)
							return
						}
						if int(scaling) < len(tileSpec)-1 {
							if err := sliceBuffers[bufferNum].DownRes(levelSpec.levelMag); err != nil {
								dvid.Errorf("Error in tiling: %v\n", err)
								return
							}
						}
					}
					timedLog.Debugf("Tiled YZ Tile using buffer %d", bufferNum)
				}(bufferNum, offset)

				sliceLog.Debugf("Read YZ Tile @ X = %d, now tiling...", x)
				bufferNum = (bufferNum + 1) % 2
			}
			timedLog.Infof("Total time to generate YZ Tiles")

		default:
			dvid.Infof("Skipping request to tile '%s'.  Unsupported.", plane)
		}
	}
	return nil
}
Exemplo n.º 5
0
// PutLocal adds image data to a version node, altering underlying blocks if the image
// intersects the block.
//
// The image filename glob MUST BE absolute file paths that are visible to the server.
// This function is meant for mass ingestion of large data files, and it is inappropriate
// to read gigabytes of data just to send it over the network to a local DVID.
func (d *Data) PutLocal(request datastore.Request, reply *datastore.Response) error {
	timedLog := dvid.NewTimeLog()

	// Parse the request
	var uuidStr, dataName, cmdStr, sourceStr, planeStr, offsetStr string
	filenames := request.CommandArgs(1, &uuidStr, &dataName, &cmdStr, &sourceStr,
		&planeStr, &offsetStr)
	if len(filenames) == 0 {
		return fmt.Errorf("Need to include at least one file to add: %s", request)
	}

	// Get offset
	offset, err := dvid.StringToPoint(offsetStr, ",")
	if err != nil {
		return fmt.Errorf("Illegal offset specification: %s: %v", offsetStr, err)
	}

	// Get list of files to add
	var addedFiles string
	if len(filenames) == 1 {
		addedFiles = filenames[0]
	} else {
		addedFiles = fmt.Sprintf("filenames: %s [%d more]", filenames[0], len(filenames)-1)
	}
	dvid.Debugf(addedFiles + "\n")

	// Get plane
	plane, err := dvid.DataShapeString(planeStr).DataShape()
	if err != nil {
		return err
	}

	// Get Repo and IDs
	uuid, versionID, err := datastore.MatchingUUID(uuidStr)
	if err != nil {
		return err
	}

	// Load and PUT each image.
	numSuccessful := 0
	for _, filename := range filenames {
		sliceLog := dvid.NewTimeLog()
		img, _, err := dvid.GoImageFromFile(filename)
		if err != nil {
			return fmt.Errorf("Error after %d images successfully added: %v", numSuccessful, err)
		}
		slice, err := dvid.NewOrthogSlice(plane, offset, dvid.RectSize(img.Bounds()))
		if err != nil {
			return fmt.Errorf("Unable to determine slice: %v", err)
		}

		vox, err := d.NewVoxels(slice, img)
		if err != nil {
			return err
		}
		storage.FileBytesRead <- len(vox.Data())
		if err = d.PutVoxels(versionID, vox, nil); err != nil {
			return err
		}
		sliceLog.Debugf("%s put local %s", d.DataName(), slice)
		numSuccessful++
		offset = offset.Add(dvid.Point3d{0, 0, 1})
	}

	if err := datastore.AddToNodeLog(uuid, []string{request.Command.String()}); err != nil {
		return err
	}
	timedLog.Infof("RPC put local (%s) completed", addedFiles)
	return nil
}
Exemplo n.º 6
0
// DoRPC acts as a switchboard for RPC commands.
func (d *Data) DoRPC(req datastore.Request, reply *datastore.Response) error {
	switch req.TypeCommand() {
	case "load":
		if len(req.Command) < 5 {
			return fmt.Errorf("Poorly formatted load command.  See command-line help.")
		}
		// Parse the request
		var uuidStr, dataName, cmdStr, offsetStr string
		filenames, err := req.FilenameArgs(1, &uuidStr, &dataName, &cmdStr, &offsetStr)
		if err != nil {
			return err
		}
		if len(filenames) == 0 {
			hostname, _ := os.Hostname()
			return fmt.Errorf("Couldn't find any files to add.  Are they visible to DVID server on %s?",
				hostname)
		}

		// Get offset
		offset, err := dvid.StringToPoint(offsetStr, ",")
		if err != nil {
			return fmt.Errorf("Illegal offset specification: %s: %v", offsetStr, err)
		}

		// Get list of files to add
		var addedFiles string
		if len(filenames) == 1 {
			addedFiles = filenames[0]
		} else {
			addedFiles = fmt.Sprintf("filenames: %s [%d more]", filenames[0], len(filenames)-1)
		}
		dvid.Debugf(addedFiles + "\n")

		uuid, versionID, err := datastore.MatchingUUID(uuidStr)
		if err != nil {
			return err
		}
		if err = datastore.AddToNodeLog(uuid, []string{req.Command.String()}); err != nil {
			return err
		}
		return d.LoadImages(versionID, offset, filenames)

	case "put":
		if len(req.Command) < 7 {
			return fmt.Errorf("Poorly formatted put command.  See command-line help.")
		}
		source := req.Command[4]
		switch source {
		case "local":
			return d.PutLocal(req, reply)
		case "remote":
			return fmt.Errorf("put remote not yet implemented")
		default:
			return fmt.Errorf("Unknown command.  Data instance '%s' [%s] does not support '%s' command.",
				d.DataName(), d.TypeName(), req.TypeCommand())
		}

	case "roi":
		if len(req.Command) < 6 {
			return fmt.Errorf("Poorly formatted roi command. See command-line help.")
		}
		return d.ForegroundROI(req, reply)

	default:
		return fmt.Errorf("Unknown command.  Data instance '%s' [%s] does not support '%s' command.",
			d.DataName(), d.TypeName(), req.TypeCommand())
	}
	return nil
}
Exemplo n.º 7
0
// CreateComposite creates a new rgba8 image by combining hash of labels + the grayscale
func (d *Data) CreateComposite(request datastore.Request, reply *datastore.Response) error {
	timedLog := dvid.NewTimeLog()

	// Parse the request
	var uuidStr, dataName, cmdStr, grayscaleName, destName string
	request.CommandArgs(1, &uuidStr, &dataName, &cmdStr, &grayscaleName, &destName)

	// Get the version
	uuid, v, err := datastore.MatchingUUID(uuidStr)
	if err != nil {
		return err
	}

	// Log request
	if err = datastore.AddToNodeLog(uuid, []string{request.Command.String()}); err != nil {
		return err
	}

	// Get the grayscale data.
	dataservice, err := datastore.GetDataByUUIDName(uuid, dvid.InstanceName(grayscaleName))
	if err != nil {
		return err
	}
	grayscale, ok := dataservice.(*imageblk.Data)
	if !ok {
		return fmt.Errorf("%s is not the name of uint8 data", grayscaleName)
	}

	// Create a new rgba8blk data.
	var compservice datastore.DataService
	compservice, err = datastore.GetDataByUUIDName(uuid, dvid.InstanceName(destName))
	if err == nil {
		return fmt.Errorf("Data instance with name %q already exists", destName)
	}
	typeService, err := datastore.TypeServiceByName("rgba8blk")
	if err != nil {
		return fmt.Errorf("Could not get rgba8 type service from DVID")
	}
	config := dvid.NewConfig()
	compservice, err = datastore.NewData(uuid, typeService, dvid.InstanceName(destName), config)
	if err != nil {
		return err
	}
	composite, ok := compservice.(*imageblk.Data)
	if !ok {
		return fmt.Errorf("Error: %s was unable to be set to rgba8 data", destName)
	}

	// Iterate through all labels and grayscale chunks incrementally in Z, a layer at a time.
	wg := new(sync.WaitGroup)
	op := &compositeOp{grayscale, composite, v}
	chunkOp := &storage.ChunkOp{op, wg}

	store, err := d.GetOrderedKeyValueDB()
	if err != nil {
		return err
	}
	ctx := datastore.NewVersionedCtx(d, v)
	extents := d.Extents()
	blockBeg := imageblk.NewTKey(extents.MinIndex)
	blockEnd := imageblk.NewTKey(extents.MaxIndex)
	err = store.ProcessRange(ctx, blockBeg, blockEnd, chunkOp, storage.ChunkFunc(d.CreateCompositeChunk))
	wg.Wait()

	// Set new mapped data to same extents.
	composite.Properties.Extents = grayscale.Properties.Extents
	if err := datastore.SaveDataByUUID(uuid, composite); err != nil {
		dvid.Infof("Could not save new data '%s': %v\n", destName, err)
	}

	timedLog.Infof("Created composite of %s and %s", grayscaleName, destName)
	return nil
}