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main.go
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main.go
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package main
import (
"flag"
"log"
"os"
"os/signal"
"path/filepath"
"syscall"
"time"
"github.com/manifoldco/promptui"
)
var (
Host string
KnownHosts string
DiscoverTimeout time.Duration
OctoPrintListenAddr string
NoFix bool
Debug bool
_Payloads []*Payload
SmFixExtensions = map[string]bool{
".gcode": true,
".nc": false,
".cnc": false,
".bin": false,
}
)
func main() {
defer func() {
if r := recover(); r != nil {
os.Exit(2)
}
}()
Debug = os.Getenv("DEBUG") != ""
// 获取程序所在目录
ex, _ := os.Executable()
dir, err := filepath.Abs(filepath.Dir(ex))
if err != nil {
log.Panicln(err)
}
defaultKnownHosts := filepath.Join(dir, "hosts.yaml")
flag.StringVar(&Host, "host", "", "upload to host(id/ip/hostname), not required.")
flag.StringVar(&KnownHosts, "knownhosts", defaultKnownHosts, "known hosts")
flag.DurationVar(&DiscoverTimeout, "timeout", time.Second*4, "printer discovery timeout")
flag.StringVar(&OctoPrintListenAddr, "octoprint", "", "octoprint listen address, e.g. '-octoprint :8844' then you can upload files to printer by http://localhost:8844")
flag.BoolVar(&NoFix, "nofix", false, "disable SMFix(built-in)")
flag.BoolVar(&Debug, "debug", false, "debug mode")
flag.Usage = flag_usage
flag.Parse()
if Debug {
log.Println("-- Debug mode")
}
if NoFix {
log.Println("smfix disabled")
}
var printer *Printer
ls := NewLocalStorage(KnownHosts)
defer func() {
if printer != nil {
// update printer's token
ls.Add(printer)
if Debug {
log.Printf("-- Updated printer: %s", printer.String())
}
}
if err := ls.Save(); err == nil && Debug {
log.Printf("-- Saved known hosts: %s", KnownHosts)
}
}()
// Check if host is specified
printer = ls.Find(Host)
if printer != nil {
log.Println("Found printer in " + KnownHosts)
}
// Discover printers
if printer == nil {
log.Println("Discovering ...")
if printers, err := Discover(DiscoverTimeout); err == nil {
if Debug {
log.Printf("-- Discovered %d printers", len(printers))
}
ls.Add(printers...)
} else if Debug {
log.Printf("-- Discover error: %s", err.Error())
}
printer = ls.Find(Host)
if printer != nil {
log.Printf("Found printer: %s", printer.String())
}
}
if printer == nil {
if Host == "" {
// Prompt user to select a printer
printers := ls.Printers
if len(printers) == 0 {
log.Panicln("No printers found")
}
if len(printers) > 1 {
prompt := promptui.Select{
Label: "Select a printer",
Items: printers,
}
idx, _, err := prompt.Run()
if err != nil {
log.Panicln(err)
}
printer = printers[idx]
} else {
printer = printers[0]
}
} else {
// directly to printer using ip/hostname
printer = &Printer{IP: Host}
}
}
log.Println("Printer IP:", printer.IP)
if printer.Model != "" {
log.Println("Printer Model:", printer.Model)
}
// Create a channel to listen for signals
sc := make(chan os.Signal, 1)
signal.Notify(sc, syscall.SIGINT, syscall.SIGTERM, syscall.SIGQUIT)
go func() {
sig := <-sc
log.Printf("Received signal: %s", sig)
// update printer's token
if printer != nil {
ls.Add(printer)
if Debug {
log.Printf("-- Updated printer: %s", printer.String())
}
}
if err := ls.Save(); err == nil && Debug {
log.Printf("-- Saved known hosts: %s", KnownHosts)
}
os.Exit(0)
}()
if OctoPrintListenAddr != "" {
// listen for octoprint uploads
if err := startOctoPrintServer(OctoPrintListenAddr, printer); err != nil {
log.Panic(err)
}
return
}
// 检查文件参数是否存在
for _, file := range flag.Args() {
if st, err := os.Stat(file); os.IsNotExist(err) {
log.Panicf("File %s does not exist\n", file)
} else {
f, _ := os.Open(file)
_Payloads = append(_Payloads, NewPayload(f, st.Name(), st.Size()))
}
}
// 检查是否有传入的文件
if len(_Payloads) == 0 {
log.Panicln("No input files")
}
// 从 slic3r 环境变量中获取文件名
envFilename := os.Getenv("SLIC3R_PP_OUTPUT_NAME")
// Upload files to host
for _, p := range _Payloads {
if envFilename != "" {
p.SetName(filepath.Base(envFilename))
}
log.Printf("Uploading file '%s' [%s]...", p.Name, p.ReadableSize())
if err := Connector.Upload(printer, p); err != nil {
log.Panicln(err)
} else {
log.Println("Upload finished.")
<-time.After(time.Second * 1) // HMI needs some time to refresh
}
}
}