97 lines
3.2 KiB
C#
97 lines
3.2 KiB
C#
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using System.IO;
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using System.Text.Json;
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using Microsoft.Extensions.Options;
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using SSPCTester.Devices.Config;
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namespace SSPCTester.UI.Services;
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/// <summary>将机器本地硬件配置保存到 LocalAppData，不修改发布目录。</summary>
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public sealed class UserSettingsStore : IDisposable
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{
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private static readonly JsonSerializerOptions JsonOptions = new()
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{
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WriteIndented = true,
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Encoder = System.Text.Encodings.Web.JavaScriptEncoder.UnsafeRelaxedJsonEscaping
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};
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private readonly DeviceOptions _devices;
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private readonly StorageOptions _storage;
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private readonly ReportOptions _report;
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private readonly SemaphoreSlim _writeLock = new(1, 1);
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private readonly object _timerLock = new();
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private Timer? _timer;
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public UserSettingsStore(
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IOptions<DeviceOptions> devices,
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IOptions<StorageOptions> storage,
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IOptions<ReportOptions> report)
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{
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_devices = devices.Value;
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_storage = storage.Value;
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_report = report.Value;
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}
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public static string SettingsPath => Path.Combine(
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Environment.GetFolderPath(Environment.SpecialFolder.LocalApplicationData),
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"SSPCTester", "settings.json");
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public void ScheduleSave()
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{
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lock (_timerLock)
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{
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_timer?.Dispose();
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_timer = new Timer(async _ =>
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{
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try { await SaveAsync().ConfigureAwait(false); }
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catch { /* 后续显式保存或退出时会再次尝试 */ }
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}, null, 600, Timeout.Infinite);
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}
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}
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public async Task SaveAsync()
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{
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await _writeLock.WaitAsync().ConfigureAwait(false);
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try
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{
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string path = SettingsPath;
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Directory.CreateDirectory(Path.GetDirectoryName(path)!);
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string temp = path + ".tmp";
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_devices.Daq.Channels = DaqChannelOptionsNormalizer.Normalize(_devices.Daq.Channels);
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var model = new
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{
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Devices = _devices,
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Storage = _storage,
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Report = _report
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};
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await File.WriteAllTextAsync(temp, JsonSerializer.Serialize(model, JsonOptions)).ConfigureAwait(false);
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File.Move(temp, path, true);
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WriteDaqSaveTrace(path);
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}
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finally { _writeLock.Release(); }
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}
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private void WriteDaqSaveTrace(string settingsPath)
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{
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try
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{
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string logDir = Path.Combine(
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Environment.GetFolderPath(Environment.SpecialFolder.LocalApplicationData),
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"SSPCTester", "Logs");
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Directory.CreateDirectory(logDir);
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string channels = string.Join(", ", _devices.Daq.Channels
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.OrderBy(x => x.PhysicalChannel)
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.Select(x => $"CH{x.PhysicalChannel}:{x.Role}/{x.IsCalibrated}"));
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File.AppendAllText(
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Path.Combine(logDir, "settings-save.log"),
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$"{DateTime.Now:yyyy-MM-dd HH:mm:ss.fff} {settingsPath} Pre={_devices.Daq.PreTriggerMs:R} Post={_devices.Daq.PostTriggerMs:R} Channels=[{channels}]{Environment.NewLine}");
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}
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catch { }
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}
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public void Dispose()
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{
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lock (_timerLock) { _timer?.Dispose(); }
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_writeLock.Dispose();
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}
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}
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