120 lines
3.8 KiB
C#
120 lines
3.8 KiB
C#
using MediaBrowser.Common.Configuration;
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using MediaBrowser.Common.IO;
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using MediaBrowser.Common.ScheduledTasks;
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using System;
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using System.Collections.Generic;
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using System.IO;
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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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namespace MediaBrowser.Common.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
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{
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/// <summary>
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/// Gets or sets the configuration manager.
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/// </summary>
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/// <value>The configuration manager.</value>
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private IConfigurationManager ConfigurationManager { get; set; }
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private readonly IFileSystem _fileSystem;
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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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public DeleteLogFileTask(IConfigurationManager configurationManager, IFileSystem fileSystem)
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{
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ConfigurationManager = configurationManager;
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_fileSystem = fileSystem;
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}
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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<ITaskTrigger> GetDefaultTriggers()
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{
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// Until we can vary these default triggers per server and MBT, we need something that makes sense for both
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return new ITaskTrigger[] {
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// At startup
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new StartupTrigger (),
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// Every so often
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new IntervalTrigger { Interval = TimeSpan.FromHours(24)}
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};
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}
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/// <summary>
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/// Returns the task to be executed
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/// </summary>
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/// <param name="cancellationToken">The cancellation token.</param>
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/// <param name="progress">The progress.</param>
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/// <returns>Task.</returns>
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public Task Execute(CancellationToken cancellationToken, IProgress<double> progress)
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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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var filesToDelete = new DirectoryInfo(ConfigurationManager.CommonApplicationPaths.LogDirectoryPath).EnumerateFileSystemInfos("*", SearchOption.AllDirectories)
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.Where(f => _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;
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percent /= filesToDelete.Count;
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progress.Report(100 * percent);
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cancellationToken.ThrowIfCancellationRequested();
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File.Delete(file.FullName);
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index++;
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}
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progress.Report(100);
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return Task.FromResult(true);
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}
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/// <summary>
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/// Gets the name of the task
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/// </summary>
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/// <value>The name.</value>
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public string Name
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{
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get { return "Log file cleanup"; }
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}
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/// <summary>
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/// Gets the description.
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/// </summary>
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/// <value>The description.</value>
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public string Description
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{
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get { return string.Format("Deletes log files that are more than {0} days old.", ConfigurationManager.CommonConfiguration.LogFileRetentionDays); }
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}
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/// <summary>
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/// Gets the category.
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/// </summary>
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/// <value>The category.</value>
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public string Category
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{
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get
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{
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return "Maintenance";
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}
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}
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}
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}
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