// DoRPC handles the 'generate' command.
func (d *Data) DoRPC(request datastore.Request, reply *datastore.Response) error {
if request.TypeCommand() != "generate" {
return fmt.Errorf("Unknown command. Data instance '%s' [%s] does not support '%s' command.",
d.DataName(), d.TypeName(), request.TypeCommand())
}
var uuidStr, dataName, cmdStr string
request.CommandArgs(1, &uuidStr, &dataName, &cmdStr)
// Get the imagetile generation configuration from a file or stdin.
var err error
var tileSpec TileSpec
if request.Input != nil {
tileSpec, err = LoadTileSpec(request.Input)
if err != nil {
return err
}
} else {
config := request.Settings()
filename, found, err := config.GetString("filename")
if err != nil {
return err
}
if found {
configData, err := storage.DataFromFile(filename)
if err != nil {
return err
}
tileSpec, err = LoadTileSpec(configData)
if err != nil {
return err
}
dvid.Infof("Using tile spec file: %s\n", filename)
} else {
dvid.Infof("Using default tile generation method since no tile spec file was given...\n")
tileSpec, err = d.DefaultTileSpec(uuidStr)
if err != nil {
return err
}
}
}
reply.Text = fmt.Sprintf("Tiling data instance %q @ node %s...\n", dataName, uuidStr)
go func() {
err := d.ConstructTiles(uuidStr, tileSpec, request)
if err != nil {
dvid.Errorf("Cannot construct tiles for data instance %q @ node %s: %v\n", dataName, uuidStr, err)
}
}()
return nil
}
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
}
// Do acts as a switchboard for remote command execution
func (c *RPCConnection) Do(cmd datastore.Request, reply *datastore.Response) error {
if reply == nil {
dvid.Debugf("reply is nil coming in!\n")
return nil
}
if cmd.Name() == "" {
return fmt.Errorf("Server error: got empty command!")
}
switch cmd.Name() {
case "help":
reply.Text = fmt.Sprintf(RPCHelpMessage, config.RPCAddress(), config.HTTPAddress())
case "shutdown":
Shutdown()
// Make this process shutdown in a second to allow time for RPC to finish.
// TODO -- Better way to do this?
log.Printf("DVID server halted due to 'shutdown' command.")
reply.Text = fmt.Sprintf("DVID server at %s has been halted.\n", config.RPCAddress())
go func() {
time.Sleep(1 * time.Second)
os.Exit(0)
}()
case "types":
if len(cmd.Command) == 1 {
text := "\nData Types within this DVID Server\n"
text += "----------------------------------\n"
mapTypes, err := datastore.Types()
if err != nil {
return fmt.Errorf("Error trying to retrieve data types within this DVID server!")
}
for url, typeservice := range mapTypes {
text += fmt.Sprintf("%-20s %s\n", typeservice.GetTypeName(), url)
}
reply.Text = text
} else {
if len(cmd.Command) != 3 || cmd.Command[2] != "help" {
return fmt.Errorf("Unknown types command: %q", cmd.Command)
}
var typename string
cmd.CommandArgs(1, &typename)
typeservice, err := datastore.TypeServiceByName(dvid.TypeString(typename))
if err != nil {
return err
}
reply.Text = typeservice.Help()
}
case "repos":
var subcommand, alias, description, uuidStr string
cmd.CommandArgs(1, &subcommand, &alias, &description, &uuidStr)
switch subcommand {
case "new":
var assign *dvid.UUID
if uuidStr == "" {
assign = nil
} else {
u := dvid.UUID(uuidStr)
assign = &u
}
root, err := datastore.NewRepo(alias, description, assign)
if err != nil {
return err
}
if err := datastore.SetRepoAlias(root, alias); err != nil {
return err
}
if err := datastore.SetRepoDescription(root, description); err != nil {
return err
}
reply.Text = fmt.Sprintf("New repo %q created with head node %s\n", alias, root)
default:
return fmt.Errorf("Unknown repos command: %q", subcommand)
}
case "repo":
var uuidStr, subcommand string
cmd.CommandArgs(1, &uuidStr, &subcommand)
uuid, _, err := datastore.MatchingUUID(uuidStr)
if err != nil {
return err
}
switch subcommand {
case "new":
var typename, dataname string
cmd.CommandArgs(3, &typename, &dataname)
// Get TypeService
typeservice, err := datastore.TypeServiceByName(dvid.TypeString(typename))
if err != nil {
return err
}
// Create new data
config := cmd.Settings()
_, err = datastore.NewData(uuid, typeservice, dvid.InstanceName(dataname), config)
if err != nil {
return err
}
reply.Text = fmt.Sprintf("Data %q [%s] added to node %s\n", dataname, typename, uuid)
datastore.AddToRepoLog(uuid, []string{cmd.String()})
case "branch":
cmd.CommandArgs(3, &uuidStr)
var assign *dvid.UUID
if uuidStr == "" {
assign = nil
} else {
u := dvid.UUID(uuidStr)
assign = &u
}
child, err := datastore.NewVersion(uuid, fmt.Sprintf("branch of %s", uuid), assign)
if err != nil {
return err
}
reply.Text = fmt.Sprintf("Branch %s added to node %s\n", child, uuid)
datastore.AddToRepoLog(uuid, []string{cmd.String()})
case "merge":
uuids := cmd.CommandArgs(2)
parents := make([]dvid.UUID, len(uuids)+1)
parents[0] = dvid.UUID(uuid)
i := 1
for uuid := range uuids {
parents[i] = dvid.UUID(uuid)
i++
}
child, err := datastore.Merge(parents, fmt.Sprintf("merge of parents %v", parents), datastore.MergeConflictFree)
if err != nil {
return err
}
reply.Text = fmt.Sprintf("Parents %v merged into node %s\n", parents, child)
datastore.AddToRepoLog(uuid, []string{cmd.String()})
case "push":
/*
var target string
cmd.CommandArgs(3, &target)
config := cmd.Settings()
if err = datastore.Push(repo, target, config); err != nil {
return err
}
reply.Text = fmt.Sprintf("Repo %q pushed to %q\n", repo.RootUUID(), target)
*/
return fmt.Errorf("push command has been temporarily suspended")
default:
return fmt.Errorf("Unknown command: %q", cmd)
}
case "node":
var uuidStr, descriptor string
cmd.CommandArgs(1, &uuidStr, &descriptor)
uuid, _, err := datastore.MatchingUUID(uuidStr)
if err != nil {
return err
}
// Get the DataService
dataname := dvid.InstanceName(descriptor)
var subcommand string
cmd.CommandArgs(3, &subcommand)
dataservice, err := datastore.GetDataByUUID(uuid, dataname)
if err != nil {
return err
}
if subcommand == "help" {
reply.Text = dataservice.Help()
return nil
}
return dataservice.DoRPC(cmd, reply)
default:
return fmt.Errorf("Unknown command: '%s'", cmd)
}
return nil
}
// switchboard for remote command execution
func handleCommand(cmd *datastore.Request) (reply *datastore.Response, err error) {
if cmd.Name() == "" {
err = fmt.Errorf("Server error: got empty command!")
return
}
reply = new(datastore.Response)
switch cmd.Name() {
case "help":
reply.Text = fmt.Sprintf(RPCHelpMessage, config.RPCAddress(), config.HTTPAddress())
case "shutdown":
dvid.Infof("DVID server halting due to 'shutdown' command.")
reply.Text = fmt.Sprintf("DVID server at %s is being shutdown...\n", config.RPCAddress())
// launch goroutine shutdown so we can concurrently return shutdown message to client.
go Shutdown()
case "types":
if len(cmd.Command) == 1 {
text := "\nData Types within this DVID Server\n"
text += "----------------------------------\n"
var mapTypes map[dvid.URLString]datastore.TypeService
if mapTypes, err = datastore.Types(); err != nil {
err = fmt.Errorf("Error trying to retrieve data types within this DVID server!")
return
}
for url, typeservice := range mapTypes {
text += fmt.Sprintf("%-20s %s\n", typeservice.GetTypeName(), url)
}
reply.Text = text
} else {
if len(cmd.Command) != 3 || cmd.Command[2] != "help" {
err = fmt.Errorf("Unknown types command: %q", cmd.Command)
return
}
var typename string
var typeservice datastore.TypeService
cmd.CommandArgs(1, &typename)
if typeservice, err = datastore.TypeServiceByName(dvid.TypeString(typename)); err != nil {
return
}
reply.Text = typeservice.Help()
}
case "repos":
var subcommand string
cmd.CommandArgs(1, &subcommand)
switch subcommand {
case "new":
var alias, description string
cmd.CommandArgs(2, &alias, &description)
config := cmd.Settings()
var uuidStr, passcode string
var found bool
if uuidStr, found, err = config.GetString("uuid"); err != nil {
return
}
var assign *dvid.UUID
if !found {
assign = nil
} else {
uuid := dvid.UUID(uuidStr)
assign = &uuid
}
if passcode, found, err = config.GetString("passcode"); err != nil {
return
}
var root dvid.UUID
root, err = datastore.NewRepo(alias, description, assign, passcode)
if err != nil {
return
}
if err = datastore.SetRepoAlias(root, alias); err != nil {
return
}
if err = datastore.SetRepoDescription(root, description); err != nil {
return
}
reply.Text = fmt.Sprintf("New repo %q created with head node %s\n", alias, root)
case "delete":
var uuidStr, passcode string
cmd.CommandArgs(2, &uuidStr, &passcode)
var uuid dvid.UUID
if uuid, _, err = datastore.MatchingUUID(uuidStr); err != nil {
return
}
if err = datastore.DeleteRepo(uuid, passcode); err != nil {
return
}
reply.Text = fmt.Sprintf("Started deletion of repo %s.\n", uuid)
default:
err = fmt.Errorf("Unknown repos command: %q", subcommand)
return
}
case "repo":
var uuidStr, subcommand string
cmd.CommandArgs(1, &uuidStr, &subcommand)
var uuid dvid.UUID
if uuid, _, err = datastore.MatchingUUID(uuidStr); err != nil {
return
}
switch subcommand {
case "new":
var typename, dataname string
cmd.CommandArgs(3, &typename, &dataname)
// Get TypeService
var typeservice datastore.TypeService
if typeservice, err = datastore.TypeServiceByName(dvid.TypeString(typename)); err != nil {
return
}
// Create new data
config := cmd.Settings()
if _, err = datastore.NewData(uuid, typeservice, dvid.InstanceName(dataname), config); err != nil {
return
}
reply.Text = fmt.Sprintf("Data %q [%s] added to node %s\n", dataname, typename, uuid)
datastore.AddToRepoLog(uuid, []string{cmd.String()})
case "rename":
var name1, name2, passcode string
cmd.CommandArgs(3, &name1, &name2, &passcode)
oldname := dvid.InstanceName(name1)
newname := dvid.InstanceName(name2)
// Make sure this instance exists.
if _, err = datastore.GetDataByUUIDName(uuid, oldname); err != nil {
err = fmt.Errorf("Error trying to rename %q for UUID %s: %v", oldname, uuid, err)
return
}
// Do the rename.
if err = datastore.RenameData(uuid, oldname, newname, passcode); err != nil {
err = fmt.Errorf("Error renaming data instance %q to %q: %v", oldname, newname, err)
return
}
reply.Text = fmt.Sprintf("Renamed data instance %q to %q from DAG subgraph @ root %s\n", oldname, newname, uuid)
case "branch":
cmd.CommandArgs(3, &uuidStr)
var assign *dvid.UUID
if uuidStr == "" {
assign = nil
} else {
u := dvid.UUID(uuidStr)
assign = &u
}
var child dvid.UUID
if child, err = datastore.NewVersion(uuid, fmt.Sprintf("branch of %s", uuid), assign); err != nil {
return
}
reply.Text = fmt.Sprintf("Branch %s added to node %s\n", child, uuid)
datastore.AddToRepoLog(uuid, []string{cmd.String()})
case "merge":
uuids := cmd.CommandArgs(2)
parents := make([]dvid.UUID, len(uuids)+1)
parents[0] = dvid.UUID(uuid)
i := 1
for uuid := range uuids {
parents[i] = dvid.UUID(uuid)
i++
}
var child dvid.UUID
child, err = datastore.Merge(parents, fmt.Sprintf("merge of parents %v", parents), datastore.MergeConflictFree)
if err != nil {
return
}
reply.Text = fmt.Sprintf("Parents %v merged into node %s\n", parents, child)
datastore.AddToRepoLog(uuid, []string{cmd.String()})
case "migrate":
var source, oldStoreName string
cmd.CommandArgs(3, &source, &oldStoreName)
var store dvid.Store
store, err = storage.GetStoreByAlias(storage.Alias(oldStoreName))
if err != nil {
return
}
config := cmd.Settings()
go func() {
if err = datastore.MigrateInstance(uuid, dvid.InstanceName(source), store, config); err != nil {
dvid.Errorf("migrate error: %v\n", err)
}
}()
reply.Text = fmt.Sprintf("Started migration of uuid %s data instance %q from old store %q...\n", uuid, source, oldStoreName)
case "copy":
var source, target string
cmd.CommandArgs(3, &source, &target)
config := cmd.Settings()
go func() {
if err = datastore.CopyInstance(uuid, dvid.InstanceName(source), dvid.InstanceName(target), config); err != nil {
dvid.Errorf("copy error: %v\n", err)
}
}()
reply.Text = fmt.Sprintf("Started copy of uuid %s data instance %q to %q...\n", uuid, source, target)
case "push":
var target string
cmd.CommandArgs(3, &target)
config := cmd.Settings()
go func() {
if err = datastore.PushRepo(uuid, target, config); err != nil {
dvid.Errorf("push error: %v\n", err)
}
}()
reply.Text = fmt.Sprintf("Started push of repo %s to %q...\n", uuid, target)
/*
case "pull":
var target string
cmd.CommandArgs(3, &target)
config := cmd.Settings()
if err = datastore.Pull(uuid, target, config); err != nil {
return
}
reply.Text = fmt.Sprintf("Repo %s pulled from %q\n", uuid, target)
*/
case "delete":
var dataname, passcode string
cmd.CommandArgs(3, &dataname, &passcode)
// Make sure this instance exists.
if _, err = datastore.GetDataByUUIDName(uuid, dvid.InstanceName(dataname)); err != nil {
err = fmt.Errorf("Error trying to delete %q for UUID %s: %v", dataname, uuid, err)
return
}
// Do the deletion. Under hood, modifies metadata immediately and launches async k/v deletion.
if err = datastore.DeleteDataByName(uuid, dvid.InstanceName(dataname), passcode); err != nil {
err = fmt.Errorf("Error deleting data instance %q: %v", dataname, err)
return
}
reply.Text = fmt.Sprintf("Started deletion of data instance %q from repo with root %s\n", dataname, uuid)
default:
err = fmt.Errorf("Unknown command: %q", cmd)
return
}
case "node":
var uuidStr, descriptor string
cmd.CommandArgs(1, &uuidStr, &descriptor)
var uuid dvid.UUID
if uuid, _, err = datastore.MatchingUUID(uuidStr); err != nil {
return
}
// Get the DataService
dataname := dvid.InstanceName(descriptor)
var subcommand string
cmd.CommandArgs(3, &subcommand)
var dataservice datastore.DataService
if dataservice, err = datastore.GetDataByUUIDName(uuid, dataname); err != nil {
return
}
if subcommand == "help" {
reply.Text = dataservice.Help()
return
}
err = dataservice.DoRPC(*cmd, reply)
return
default:
// Check to see if it's a name of a compiled data type, in which case we refer it to the data type.
types := datastore.CompiledTypes()
for name, typeservice := range types {
if name == dvid.TypeString(cmd.Argument(0)) {
err = typeservice.Do(*cmd, reply)
return
}
}
err = fmt.Errorf("Unknown command: '%s'", *cmd)
}
return
}