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The OctoPrint server is simulated. See
-octoprint
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,70 @@ | ||
| package main | ||
|
|
||
| import ( | ||
| "io" | ||
| "log" | ||
| "net" | ||
| "net/http" | ||
| "time" | ||
| ) | ||
|
|
||
| func LoggingMiddleware(next http.Handler) http.Handler { | ||
| return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) { | ||
| start := time.Now() | ||
| next.ServeHTTP(w, r) | ||
| // Log the request | ||
| log.Printf("Request %s %s completed in %v", r.Method, r.URL.Path, time.Since(start)) | ||
| }) | ||
| } | ||
|
|
||
| func startOctoPrintServer(listenAddr string, printer *Printer) error { | ||
| mux := http.NewServeMux() | ||
| mux.HandleFunc("/api/version", func(w http.ResponseWriter, r *http.Request) { | ||
| w.WriteHeader(http.StatusOK) | ||
| w.Write([]byte(`{"api": "0.1", "server": "1.2.3", "text": "OctoPrint 1.2.3/Dummy"}`)) | ||
| }) | ||
|
|
||
| mux.HandleFunc("/api/files/local", func(w http.ResponseWriter, r *http.Request) { | ||
| // Check if request is a POST request | ||
| if r.Method != http.MethodPost { | ||
| http.Error(w, "Method not allowed", http.StatusMethodNotAllowed) | ||
| return | ||
| } | ||
|
|
||
| // Retrieve the uploaded file | ||
| file, fd, err := r.FormFile("file") | ||
| if err != nil { | ||
| http.Error(w, err.Error(), http.StatusBadRequest) | ||
| return | ||
| } | ||
| defer file.Close() | ||
| fd.Filename = normalizedFilename(fd.Filename) | ||
|
|
||
| // Send the stream to the printer | ||
| content, _ := io.ReadAll(file) | ||
| if err := Connector.Upload(printer, fd.Filename, content); err != nil { | ||
| http.Error(w, err.Error(), http.StatusInternalServerError) | ||
| return | ||
| } | ||
|
|
||
| log.Printf("Upload finished: %s [%s]", fd.Filename, humanReadableSize(int64(len(content)))) | ||
|
|
||
| // Return success response | ||
| w.WriteHeader(http.StatusOK) | ||
| }) | ||
|
|
||
| handler := LoggingMiddleware(mux) | ||
|
|
||
| log.Printf("Starting OctoPrint server on %s ...", listenAddr) | ||
|
|
||
| // Create a listener | ||
| listener, err := net.Listen("tcp", listenAddr) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
||
| log.Printf("Server started, now you can upload files to http://localhost:%s", listenAddr) | ||
|
|
||
| // Start the server | ||
| return http.Serve(listener, handler) | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,25 @@ | ||
| package main | ||
|
|
||
| import ( | ||
| "fmt" | ||
| "regexp" | ||
| ) | ||
|
|
||
| func humanReadableSize(size int64) string { | ||
| const unit = 1024 | ||
| if size < unit { | ||
| return fmt.Sprintf("%d B", size) | ||
| } | ||
| div, exp := int64(unit), 0 | ||
| for n := size / unit; n >= unit; n /= unit { | ||
| div *= unit | ||
| exp++ | ||
| } | ||
| return fmt.Sprintf("%.1f %cB", float64(size)/float64(div), "KMGTPE"[exp]) | ||
| } | ||
|
|
||
| var reFilename = regexp.MustCompile(`^[\.\/\\~]+`) | ||
|
|
||
| func normalizedFilename(filename string) string { | ||
| return reFilename.ReplaceAllString(filename, "") | ||
| } |