開關台自動刷新QRCODE亂碼

HttpServer.cs

@@ -35,8 +35,14 @@ namespace DualScreenDemo
         private static readonly ConcurrentDictionary<string, byte[]> _fileCache = new ConcurrentDictionary<string, byte[]>();
         private static readonly SemaphoreSlim _requestThrottle = new SemaphoreSlim(20); // 限制并发请求数
         private static readonly CancellationTokenSource _serverCts = new CancellationTokenSource();
+        private static HttpListener _listener;
+        private static CancellationTokenSource _cts;
+        private static Task _serverTask;
+        private static string _baseDirectory = @"themes\superstar\_www"; // 根據實際情況設定
+        private static SongListManager _songListManager;
+        private static TaskCompletionSource<string> _qrReadyTcs;
          
-
+        /*
         public static async Task StartServer(string baseDirectory, int port, SongListManager manager)
         {
             songListManager = manager; // 保存传递的SongListManager实例
@@ -130,6 +136,101 @@ namespace DualScreenDemo
                 await ProcessRequestAsync(context, baseDirectory, randomFolderName);
             }
         }
+        */
+        public static async Task StartServer(string baseDirectory, int port, SongListManager manager, CancellationToken token)
+        {
+            _songListManager = manager;
+            string randomFolderName = CreateRandomFolderAndRedirectHTML(baseDirectory);
+            randomFolderPath = randomFolderName;
+            Console.WriteLine("測試" + randomFolderPath);
+            string localAddress = GetLocalIPAddress();
+            string externalAddress = File.Exists(@"\\SVR01\superstarb\txt\ip.txt")
+                ? File.ReadAllText(@"\\SVR01\superstarb\txt\ip.txt").Trim()
+                : "";
+
+            _listener = new HttpListener();
+            _listener.Prefixes.Add($"http://{localAddress}:{port}/");
+            string hostName = System.Net.Dns.GetHostName();
+            string externalPort = '1' + hostName.Substring(Math.Max(2, hostName.Length - 20));
+            if (!string.IsNullOrEmpty(externalAddress))
+            {
+                string host = externalAddress.Split(':')[0];
+                externalPort = '1' + System.Net.Dns.GetHostName().Substring(Math.Max(2, System.Net.Dns.GetHostName().Length - 20));
+                _listener.Prefixes.Add($"http://{host}:{externalPort}/");
+            }
+            string localQrContent = String.Format("http://{0}:{1}/{2}/windows.html", localAddress, port, randomFolderName);
+
+
+            // 修改外网二维码内容生成
+
+            string externalQrContent = !string.IsNullOrEmpty(externalAddress) ?
+                String.Format("http://{0}:{1}/{2}/windows.html", externalAddress, externalPort, randomFolderName) :
+                localQrContent;
+
+            /*string qrContent = !string.IsNullOrEmpty(externalAddress)
+                ? $"http://{externalAddress}:{port}/{randomFolderName}/windows.html"
+                : $"http://{localAddress}:{port}/{randomFolderName}/windows.html";*/
+            Console.WriteLine("qrcode 測試內容 " + externalQrContent);
+            GenerateQRCode(externalQrContent, Path.Combine(baseDirectory, randomFolderName, "qrcode.png"));
+
+            _qrReadyTcs?.TrySetResult(randomFolderName);  // safe call，null-safe
+            try
+            {
+                _listener.Start();
+                Console.WriteLine("Server started.");
+            }
+            catch (HttpListenerException ex)
+            {
+                Console.WriteLine("Error starting server: " + ex.Message);
+                return;
+            }
+
+            while (!token.IsCancellationRequested)
+            {
+                try
+                {
+                    HttpListenerContext context = await _listener.GetContextAsync();
+                    await ProcessRequestAsync(context, baseDirectory, randomFolderName);
+                }
+                catch (HttpListenerException)
+                {
+                    // 可能是 Stop() 引起，不處理
+                    break;
+                }
+            }
+
+            _listener.Close();
+            Console.WriteLine("Server stopped.");
+        }
+        
+        public static async Task RestartServer()
+        {
+            Console.WriteLine("Restarting server...");
+
+            _cts?.Cancel();
+            _listener?.Stop();
+
+            if (_serverTask != null)
+            {
+                try { await _serverTask; }
+                catch (OperationCanceledException) { }
+            }
+
+            DeleteRandomFolder(_baseDirectory);
+
+            _cts = new CancellationTokenSource();
+
+            
+            // ✅ 等 QR code 跑完
+            _qrReadyTcs = new TaskCompletionSource<string>();
+            _serverTask = StartServer(_baseDirectory, _port, _songListManager, _cts.Token);
+            string readyFolder = await _qrReadyTcs.Task;
+
+            // ✅ 等 QR Code 圖片準備好之後再處理 UI 更新
+            Console.WriteLine("restart : " + readyFolder);
+            PrimaryForm.Instance.OverlayQRCodeOnImage(readyFolder);
+            OverlayForm.Instance.DisplayQRCodeOnOverlay(readyFolder);
+        }
 
         private static async Task ProcessRequestWithTimeout(HttpListenerContext context, string baseDirectory, string randomFolderName)
         {

HttpServerManager.cs

@@ -1,18 +1,21 @@
 using System.IO;
 using System.Linq;
 using System.Windows.Forms;
-
+using System.Threading;
 namespace DualScreenDemo
 {
     public static class HttpServerManager
     {
+        private static CancellationTokenSource _cts;
         public static async void StartServer()
         {
             int httpPort = 9090; // 你可以修改此端口
             string baseDirectory = Path.Combine(Application.StartupPath, @"themes\superstar\_www");
 
             CleanUpDirectory(baseDirectory);
-            await HttpServer.StartServer(baseDirectory, httpPort, Program.songListManager);
+            // await HttpServer.StartServer(baseDirectory, httpPort, Program.songListManager);
+            _cts = new CancellationTokenSource();
+            await HttpServer.StartServer(baseDirectory, httpPort, Program.songListManager, _cts.Token);
         }
         
 

OverlayFormObj/OverlayForm.cs

@@ -74,11 +74,12 @@ namespace OverlayFormObj
             get { return _mainForm; }
             private set { _mainForm = value; }
         }
-
+        public static OverlayForm Instance { get; private set; }
         public OverlayForm()
         {
             SetStyle(ControlStyles.SupportsTransparentBackColor, true);
-            MainForm = this;  
+            MainForm = this;
+            Instance = this;   
             InitializeFormSettings();
             ConfigureTimers();
             

PrimaryFormParts/PrimaryForm.QRCode.cs

@@ -7,10 +7,10 @@ namespace DualScreenDemo
 {
     public partial class PrimaryForm : Form
     {
-        private PictureBox pictureBoxQRCode;
+        public PictureBox pictureBoxQRCode;
-        private Button closeQRCodeButton;
+        public Button closeQRCodeButton;
 
-        private void OverlayQRCodeOnImage(string randomFolderPath)
+        public void OverlayQRCodeOnImage(string randomFolderPath)
         {
             try
             {
@@ -48,13 +48,15 @@ namespace DualScreenDemo
                         return;
                     }
 
-                    
+                    string tempPath = Path.GetTempFileName();
+                    File.Copy(qrImagePath, tempPath, true); // 複製一份再讀，避開快取
+
                     Image qrCodeImage = null;
                     for (int i = 0; i < 3; i++)
                     {
                         try
                         {
-                            using (var fs = new FileStream(qrImagePath, FileMode.Open, FileAccess.Read))
+                            using (var fs = new FileStream(tempPath, FileMode.Open, FileAccess.Read, FileShare.ReadWrite))
                             {
                                 qrCodeImage = Image.FromStream(fs);
                             }
@@ -66,7 +68,7 @@ namespace DualScreenDemo
                             System.Threading.Thread.Sleep(100); 
                         }
                     }
-
+                    File.Delete(tempPath); // 用完記得刪除
                     if (qrCodeImage == null)
                     {
                         Console.WriteLine("Failed to load QR code image after multiple attempts.");

TCPServer.cs

@@ -149,11 +149,13 @@ namespace DualScreenDemo
                                 // 指令為 "X"：播放 CLOSE.MPG，並顯示送客畫面
                                 if (command.Trim().Equals("X", StringComparison.OrdinalIgnoreCase))
                                 {
+                                    PrimaryForm.Instance.pictureBoxQRCode.Visible = false;
+                                    PrimaryForm.Instance.closeQRCodeButton.Visible = false;
                                     _ = SafeInvoke(VideoPlayerForm.Instance, async () =>
                                     {
                                         if (IsFormReady(PrimaryForm.Instance))
                                         {
-                                            await SafeInvoke(PrimaryForm.Instance, () =>
+                                            await SafeInvoke(PrimaryForm.Instance, async () =>
                                             {
                                                 PrimaryForm.Instance.ShowSendOffScreen();
                                                 PrimaryForm.Instance.HideFireScreen();
@@ -167,13 +169,13 @@ namespace DualScreenDemo
                                                 {
                                                     // 建立結束播放用的 SongData 實例
                                                     SongData closeSong = new SongData(
-                                                        "", "", "結束播放", 0, "", "", "", "", 
+                                                        "", "", "結束播放", 0, "", "", "", "",
-                                                        DateTime.Now, closePath, "", "", "", "", 
+                                                        DateTime.Now, closePath, "", "", "", "",
                                                         "", "", "", "", "", "", "", 1
                                                     );
 
                                                     // 建立新的播放清單
-                                                    
+
                                                     VideoPlayerForm.publicPlaylist = new List<SongData>();
                                                     VideoPlayerForm.playingSongList = new List<SongData>();
                                                     PrimaryForm.playedSongsHistory = new List<SongData>();
@@ -182,8 +184,8 @@ namespace DualScreenDemo
                                                     {
                                                         VideoPlayerForm.playingSongList.Add(VideoPlayerForm.Instance.currentPlayingSong);
                                                     }
-                                                    
+
-                                                    VideoPlayerForm.publicPlaylist.Add(closeSong);        
+                                                    VideoPlayerForm.publicPlaylist.Add(closeSong);
                                                     // 將 CLOSE.MPG 加入播放清單
                                                     VideoPlayerForm.playingSongList.Add(closeSong);
 
@@ -195,8 +197,16 @@ namespace DualScreenDemo
                                                     {
                                                         OverlayForm.MainForm.nextSongLabel.Visible = false;
                                                     }
-                                                    VideoPlayerForm.Instance.PlayNextSong(); 
+                                                    VideoPlayerForm.Instance.PlayNextSong();
                                                     Console.WriteLine("已設置新的播放列表，包含當前歌曲和 CLOSE.MPG");
+                                                    try
+                                                    {
+                                                        await HttpServer.RestartServer();
+                                                    }
+                                                    catch (Exception ex)
+                                                    {
+                                                        Console.WriteLine("RestartServer 發生錯誤: " + ex.Message);
+                                                    }
                                                 }
                                                 else
                                                 {

bin/secondary_graph.grf

@@ -14,5 +14,5 @@ Filter: LAV Splitter
   Pin: Input
   Pin: Video
   Pin: Audio
-Filter: C:\video\BGM01.mpg
+Filter: C:\video\welcome.mpg
   Pin: Output