91 lines
2.6 KiB
C#
91 lines
2.6 KiB
C#
using OrpaonVision.Core.Abstractions;
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using System.Windows;
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using System.Windows.Threading;
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namespace OrpaonVision.ConfigApp.Infrastructure.Diagnostics;
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/// <summary>
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/// 全局未处理异常捕获器。
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/// </summary>
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public sealed class GlobalExceptionHandler : IDisposable
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{
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private readonly IAppLogger _logger;
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private bool _registered;
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/// <summary>
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/// 构造全局异常处理器。
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/// </summary>
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/// <param name="logger">日志记录器。</param>
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public GlobalExceptionHandler(IAppLogger logger)
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{
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_logger = logger;
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}
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/// <summary>
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/// 注册全局异常事件。
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/// </summary>
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public void Register()
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{
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if (_registered)
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{
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return;
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}
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Application.Current.DispatcherUnhandledException += OnDispatcherUnhandledException;
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AppDomain.CurrentDomain.UnhandledException += OnUnhandledException;
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TaskScheduler.UnobservedTaskException += OnUnobservedTaskException;
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_registered = true;
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}
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/// <summary>
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/// 注销全局异常事件。
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/// </summary>
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public void Dispose()
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{
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if (!_registered)
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{
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return;
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}
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Application.Current.DispatcherUnhandledException -= OnDispatcherUnhandledException;
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AppDomain.CurrentDomain.UnhandledException -= OnUnhandledException;
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TaskScheduler.UnobservedTaskException -= OnUnobservedTaskException;
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_registered = false;
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}
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private void OnDispatcherUnhandledException(object sender, DispatcherUnhandledExceptionEventArgs e)
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{
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var traceId = CreateTraceId();
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_logger.LogError("捕获到 UI 线程未处理异常。", e.Exception, traceId);
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MessageBox.Show(
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$"程序发生未处理异常，操作已中断。{Environment.NewLine}TraceId: {traceId}",
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"OrpaonVision.ConfigApp",
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MessageBoxButton.OK,
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MessageBoxImage.Error);
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e.Handled = true;
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}
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private void OnUnhandledException(object? sender, UnhandledExceptionEventArgs e)
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{
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var traceId = CreateTraceId();
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var exception = e.ExceptionObject as Exception;
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_logger.LogError("捕获到应用域未处理异常。", exception, traceId);
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}
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private void OnUnobservedTaskException(object? sender, UnobservedTaskExceptionEventArgs e)
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{
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var traceId = CreateTraceId();
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_logger.LogError("捕获到未观察的任务异常。", e.Exception, traceId);
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e.SetObserved();
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}
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private static string CreateTraceId()
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{
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return Guid.NewGuid().ToString("N");
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}
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}
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