85 lines
2.1 KiB
C#
85 lines
2.1 KiB
C#
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using System;
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using System.IO;
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using System.Threading;
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using System.Threading.Tasks;
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using System.Windows.Forms;
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using DualScreenDemo.Shared;
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public class WatchDog
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{
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private Func<VideoStatus> getVideoStatus;
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private Func<bool> isApplicationResponsive;
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private Thread watchdogThread;
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private bool running = false;
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private double lastPosition = -1;
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private int freezeCounter = 0;
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public WatchDog(Func<VideoStatus> getVideoPositionFunc, Func<bool> isAppResponsiveFunc)
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{
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getVideoStatus = getVideoPositionFunc;
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isApplicationResponsive = isAppResponsiveFunc;
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}
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public void Start()
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{
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running = true;
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watchdogThread = new Thread(Run);
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watchdogThread.IsBackground = true;
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watchdogThread.Start();
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}
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public void Stop()
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{
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running = false;
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watchdogThread?.Join();
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}
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private void Run()
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{
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while (running)
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{
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var status = getVideoStatus(); // 改用 getVideoStatus 取得完整狀態
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bool responsive = isApplicationResponsive();
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if (!status.IsGraphOk)
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{
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Log($"影片圖表異常: {status.LastError}");
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}
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else if(status.PlayState != "Paused")
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{
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double currentPosition = status.PositionSeconds;
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if (Math.Abs(currentPosition - lastPosition) < 0.001)
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{
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freezeCounter++;
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if (freezeCounter >= 3)
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{
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Log($"影片疑似卡死（3次位置沒變）：位置={currentPosition:F2}秒，播放狀態={status.PlayState}");
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freezeCounter = 0; // 記得 reset
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}
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}
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else
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{
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freezeCounter = 0;
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}
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lastPosition = currentPosition;
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}
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if (!responsive)
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{
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Log("UI 疑似卡死（Invoke 失敗）");
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}
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Thread.Sleep(5000);
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}
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}
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private void Log(string message)
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{
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string logFilePath = Path.Combine("txt", "watchdog_log.txt");
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File.AppendAllText(logFilePath, $"{DateTime.Now}: {message}{Environment.NewLine}");
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}
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}
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