105 lines
3.7 KiB
C#
105 lines
3.7 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Globalization;
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using System.Linq;
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using System.Threading;
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using System.Threading.Tasks;
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using MediaBrowser.Common.Configuration;
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using MediaBrowser.Model.Globalization;
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using MediaBrowser.Model.IO;
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using MediaBrowser.Model.Tasks;
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namespace Emby.Server.Implementations.ScheduledTasks.Tasks
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{
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/// <summary>
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/// Deletes old log files.
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/// </summary>
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public class DeleteLogFileTask : IScheduledTask, IConfigurableScheduledTask
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{
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private readonly IConfigurationManager _configurationManager;
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private readonly IFileSystem _fileSystem;
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private readonly ILocalizationManager _localization;
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/// <summary>
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/// Initializes a new instance of the <see cref="DeleteLogFileTask" /> class.
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/// </summary>
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/// <param name="configurationManager">The configuration manager.</param>
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/// <param name="fileSystem">The file system.</param>
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/// <param name="localization">The localization manager.</param>
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public DeleteLogFileTask(IConfigurationManager configurationManager, IFileSystem fileSystem, ILocalizationManager localization)
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{
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_configurationManager = configurationManager;
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_fileSystem = fileSystem;
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_localization = localization;
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}
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/// <inheritdoc />
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public string Name => _localization.GetLocalizedString("TaskCleanLogs");
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/// <inheritdoc />
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public string Description => string.Format(
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CultureInfo.InvariantCulture,
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_localization.GetLocalizedString("TaskCleanLogsDescription"),
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_configurationManager.CommonConfiguration.LogFileRetentionDays);
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/// <inheritdoc />
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public string Category => _localization.GetLocalizedString("TasksMaintenanceCategory");
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/// <inheritdoc />
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public string Key => "CleanLogFiles";
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/// <inheritdoc />
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public bool IsHidden => false;
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/// <inheritdoc />
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public bool IsEnabled => true;
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/// <inheritdoc />
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public bool IsLogged => true;
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/// <summary>
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/// Creates the triggers that define when the task will run.
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/// </summary>
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/// <returns>IEnumerable{BaseTaskTrigger}.</returns>
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public IEnumerable<TaskTriggerInfo> GetDefaultTriggers()
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{
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return new[]
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{
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new TaskTriggerInfo { Type = TaskTriggerInfo.TriggerInterval, IntervalTicks = TimeSpan.FromHours(24).Ticks }
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};
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}
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/// <inheritdoc />
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public Task ExecuteAsync(IProgress<double> progress, CancellationToken cancellationToken)
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{
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// Delete log files more than n days old
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var minDateModified = DateTime.UtcNow.AddDays(-_configurationManager.CommonConfiguration.LogFileRetentionDays);
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// Only delete files that serilog doesn't manage (anything that doesn't start with 'log_'
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var filesToDelete = _fileSystem.GetFiles(_configurationManager.CommonApplicationPaths.LogDirectoryPath, true)
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.Where(f => !f.Name.StartsWith("log_", StringComparison.Ordinal)
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&& _fileSystem.GetLastWriteTimeUtc(f) < minDateModified)
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.ToList();
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var index = 0;
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foreach (var file in filesToDelete)
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{
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double percent = index / (double)filesToDelete.Count;
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progress.Report(100 * percent);
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cancellationToken.ThrowIfCancellationRequested();
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_fileSystem.DeleteFile(file.FullName);
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index++;
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}
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progress.Report(100);
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return Task.CompletedTask;
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}
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}
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}
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