func Slice(nameTag *data.NameTag, printer *data.Printer, config *config.Config) error {
if nameTag.Name == "" {
return errors.New("Name tag has no name set")
}
var configFile string
if printer.ConfigFile == "" {
configFile = config.DefaultConfig
} else {
configFile = printer.ConfigFile
}
slic3rArgs := fmt.Sprintf(" %s/%s.stl --output %s/%s.gcode --load %s", config.StlDirectory,
nameTag.Name, config.GcodeDirectory, nameTag.Name, configFile)
fmt.Println("Slicing STL...")
wg := new(sync.WaitGroup)
wg.Add(1)
go exe_cmd("slic3r"+slic3rArgs, wg)
wg.Wait()
gcode := config.GcodeDirectory + "/" + nameTag.Name + ".gcode"
if _, err := os.Stat(gcode); os.IsNotExist(err) {
return errors.New("An Error occured while slicing STL")
}
nameTag.Gcode = nameTag.Name + ".gcode"
fmt.Println("Done slicing STL")
return nil
}
func addNameTag(writer http.ResponseWriter, request *http.Request) {
request.ParseForm()
nameTag := new(data.NameTag)
decoder := schema.NewDecoder()
err := decoder.Decode(nameTag, request.Form)
fmt.Println(request.Form)
if check(err, 400, &writer) {
return
}
if nameTag.Name == "" {
log.Println(errors.New("No Name Provided"))
http.Error(writer, http.StatusText(400), 400)
return
}
nameTag.Id = uuid.NewV1()
nameTag.State = "Waiting"
nameTagQueue.Add(*nameTag, &configImpl)
json, err := json.MarshalIndent(nameTagQueue.Queue, "", " ")
if check(err, 500, &writer) {
return
}
writer.Write(json)
}
func Export(nameTag *data.NameTag, config *config.Config) error {
if nameTag.Name == "" {
return errors.New("Name tag has no name set")
}
stlArgs := fmt.Sprintf(" -o %s/%s.stl -D name=\"%s\" -D chars=%d %s/name.scad", config.StlDirectory,
nameTag.Name, nameTag.Name, len(nameTag.Name), config.ScadDirectory)
fmt.Println("Exporting STL...")
wg := new(sync.WaitGroup)
wg.Add(1)
go exe_cmd("openscad"+stlArgs, wg)
wg.Wait()
stl := config.StlDirectory + "/" + nameTag.Name + ".stl"
if _, err := os.Stat(stl); os.IsNotExist(err) {
return errors.New("An Error occured while exporting STL")
}
nameTag.Stl = nameTag.Name + ".stl"
fmt.Println("Done exporting STL")
return nil
}
func run(interval time.Duration, nameTagQueue *data.NameTagQueue,
printerQueue *data.PrinterQueue, config *config.Config) {
fmt.Println("Print Server Started")
Timer = time.NewTicker(interval * time.Second)
for {
select {
case <-Timer.C:
printer := printerQueue.GetNext()
if printer == nil {
continue
}
var nameTag *data.NameTag
getNew:
if printer.NameTag != nil && printer.NameTag.Error == false {
fmt.Printf("%v\n", printer.NameTag)
tag, err := nameTagQueue.Find(printer.NameTag.Id, config)
if err != nil {
printer.NameTag.Error = true
goto getNew
}
nameTag = tag
} else {
nameTag = nameTagQueue.GetNext()
if nameTag == nil {
continue
}
printer.NameTag = nameTag
}
nameTag.State = "Assigned to printer"
if nameTag.Stl == "" {
nameTag.State = "Rendering STL"
err := service.Export(nameTag, config)
if err != nil {
fmt.Println(err)
nameTag.Error = true
nameTag.State = "Has Error"
goto save
}
}
if nameTag.Gcode == "" {
nameTag.State = "Slicing"
err := service.Slice(nameTag, printer, config)
if err != nil {
fmt.Println(err)
nameTag.Error = true
nameTag.State = "Has Error"
goto save
}
}
if nameTag.Printing == false && printer.Printing == false {
nameTag.State = "Uploading"
err := service.Upload(nameTag, printer, config)
if err != nil {
log.Println(err)
printer.Active = false
goto save
}
printer.Printing = true
nameTag.Printing = true
nameTag.State = "Printing"
}
save:
printerQueue.Save(config)
nameTagQueue.Save(config)
config.DebugLog("Finnished Loop")
case <-Quit:
Timer.Stop()
return
}
}
}
