diff options
| author | Luke Pulverenti <luke.pulverenti@gmail.com> | 2016-11-04 14:56:47 -0400 |
|---|---|---|
| committer | Luke Pulverenti <luke.pulverenti@gmail.com> | 2016-11-04 14:56:47 -0400 |
| commit | 72aaecb27930e04aa356febf35db2372bc417166 (patch) | |
| tree | c72bb0ed40bd257b93d4b11f315bbbe24e23920d /MediaBrowser.Server.Implementations/IO | |
| parent | a7b11c8ee952ca43fe949ab4f1b6577e94ce6bba (diff) | |
move classes to new server project
Diffstat (limited to 'MediaBrowser.Server.Implementations/IO')
| -rw-r--r-- | MediaBrowser.Server.Implementations/IO/FileRefresher.cs | 323 | ||||
| -rw-r--r-- | MediaBrowser.Server.Implementations/IO/LibraryMonitor.cs | 14 |
2 files changed, 5 insertions, 332 deletions
diff --git a/MediaBrowser.Server.Implementations/IO/FileRefresher.cs b/MediaBrowser.Server.Implementations/IO/FileRefresher.cs deleted file mode 100644 index 2742e1a26..000000000 --- a/MediaBrowser.Server.Implementations/IO/FileRefresher.cs +++ /dev/null @@ -1,323 +0,0 @@ -using System; -using System.Collections.Generic; -using System.IO; -using System.Linq; -using System.Threading; -using System.Threading.Tasks; -using MediaBrowser.Model.IO; -using MediaBrowser.Common.Events; -using MediaBrowser.Common.IO; -using MediaBrowser.Controller.Configuration; -using MediaBrowser.Controller.Entities; -using MediaBrowser.Controller.IO; -using MediaBrowser.Controller.Library; -using MediaBrowser.Model.Extensions; -using MediaBrowser.Model.Logging; -using MediaBrowser.Model.Tasks; -using MediaBrowser.Model.Threading; - -namespace MediaBrowser.Server.Implementations.IO -{ - public class FileRefresher : IDisposable - { - private ILogger Logger { get; set; } - private ITaskManager TaskManager { get; set; } - private ILibraryManager LibraryManager { get; set; } - private IServerConfigurationManager ConfigurationManager { get; set; } - private readonly IFileSystem _fileSystem; - private readonly List<string> _affectedPaths = new List<string>(); - private ITimer _timer; - private readonly ITimerFactory _timerFactory; - private readonly object _timerLock = new object(); - public string Path { get; private set; } - - public event EventHandler<EventArgs> Completed; - - public FileRefresher(string path, IFileSystem fileSystem, IServerConfigurationManager configurationManager, ILibraryManager libraryManager, ITaskManager taskManager, ILogger logger, ITimerFactory timerFactory) - { - logger.Debug("New file refresher created for {0}", path); - Path = path; - - _fileSystem = fileSystem; - ConfigurationManager = configurationManager; - LibraryManager = libraryManager; - TaskManager = taskManager; - Logger = logger; - _timerFactory = timerFactory; - AddPath(path); - } - - private void AddAffectedPath(string path) - { - if (string.IsNullOrWhiteSpace(path)) - { - throw new ArgumentNullException("path"); - } - - if (!_affectedPaths.Contains(path, StringComparer.Ordinal)) - { - _affectedPaths.Add(path); - } - } - - public void AddPath(string path) - { - if (string.IsNullOrWhiteSpace(path)) - { - throw new ArgumentNullException("path"); - } - - lock (_timerLock) - { - AddAffectedPath(path); - } - RestartTimer(); - } - - public void RestartTimer() - { - if (_disposed) - { - return; - } - - lock (_timerLock) - { - if (_disposed) - { - return; - } - - if (_timer == null) - { - _timer = _timerFactory.Create(OnTimerCallback, null, TimeSpan.FromSeconds(ConfigurationManager.Configuration.LibraryMonitorDelay), TimeSpan.FromMilliseconds(-1)); - } - else - { - _timer.Change(TimeSpan.FromSeconds(ConfigurationManager.Configuration.LibraryMonitorDelay), TimeSpan.FromMilliseconds(-1)); - } - } - } - - public void ResetPath(string path, string affectedFile) - { - lock (_timerLock) - { - Logger.Debug("Resetting file refresher from {0} to {1}", Path, path); - - Path = path; - AddAffectedPath(path); - - if (!string.IsNullOrWhiteSpace(affectedFile)) - { - AddAffectedPath(affectedFile); - } - } - RestartTimer(); - } - - private async void OnTimerCallback(object state) - { - List<string> paths; - - lock (_timerLock) - { - paths = _affectedPaths.ToList(); - } - - // Extend the timer as long as any of the paths are still being written to. - if (paths.Any(IsFileLocked)) - { - Logger.Info("Timer extended."); - RestartTimer(); - return; - } - - Logger.Debug("Timer stopped."); - - DisposeTimer(); - EventHelper.FireEventIfNotNull(Completed, this, EventArgs.Empty, Logger); - - try - { - await ProcessPathChanges(paths.ToList()).ConfigureAwait(false); - } - catch (Exception ex) - { - Logger.ErrorException("Error processing directory changes", ex); - } - } - - private async Task ProcessPathChanges(List<string> paths) - { - var itemsToRefresh = paths - .Distinct(StringComparer.OrdinalIgnoreCase) - .Select(GetAffectedBaseItem) - .Where(item => item != null) - .DistinctBy(i => i.Id) - .ToList(); - - foreach (var p in paths) - { - Logger.Info(p + " reports change."); - } - - // If the root folder changed, run the library task so the user can see it - if (itemsToRefresh.Any(i => i is AggregateFolder)) - { - LibraryManager.ValidateMediaLibrary(new Progress<double>(), CancellationToken.None); - return; - } - - foreach (var item in itemsToRefresh) - { - Logger.Info(item.Name + " (" + item.Path + ") will be refreshed."); - - try - { - await item.ChangedExternally().ConfigureAwait(false); - } - catch (IOException ex) - { - // For now swallow and log. - // Research item: If an IOException occurs, the item may be in a disconnected state (media unavailable) - // Should we remove it from it's parent? - Logger.ErrorException("Error refreshing {0}", ex, item.Name); - } - catch (Exception ex) - { - Logger.ErrorException("Error refreshing {0}", ex, item.Name); - } - } - } - - /// <summary> - /// Gets the affected base item. - /// </summary> - /// <param name="path">The path.</param> - /// <returns>BaseItem.</returns> - private BaseItem GetAffectedBaseItem(string path) - { - BaseItem item = null; - - while (item == null && !string.IsNullOrEmpty(path)) - { - item = LibraryManager.FindByPath(path, null); - - path = System.IO.Path.GetDirectoryName(path); - } - - if (item != null) - { - // If the item has been deleted find the first valid parent that still exists - while (!_fileSystem.DirectoryExists(item.Path) && !_fileSystem.FileExists(item.Path)) - { - item = item.GetParent(); - - if (item == null) - { - break; - } - } - } - - return item; - } - - private bool IsFileLocked(string path) - { - if (Environment.OSVersion.Platform != PlatformID.Win32NT) - { - // Causing lockups on linux - return false; - } - - try - { - var data = _fileSystem.GetFileSystemInfo(path); - - if (!data.Exists - || data.IsDirectory - - // Opening a writable stream will fail with readonly files - || data.IsReadOnly) - { - return false; - } - } - catch (IOException) - { - return false; - } - catch (Exception ex) - { - Logger.ErrorException("Error getting file system info for: {0}", ex, path); - return false; - } - - // In order to determine if the file is being written to, we have to request write access - // But if the server only has readonly access, this is going to cause this entire algorithm to fail - // So we'll take a best guess about our access level - var requestedFileAccess = ConfigurationManager.Configuration.SaveLocalMeta - ? FileAccessMode.ReadWrite - : FileAccessMode.Read; - - try - { - using (_fileSystem.GetFileStream(path, FileOpenMode.Open, requestedFileAccess, FileShareMode.ReadWrite)) - { - //file is not locked - return false; - } - } - //catch (DirectoryNotFoundException) - //{ - // // File may have been deleted - // return false; - //} - catch (FileNotFoundException) - { - // File may have been deleted - return false; - } - catch (UnauthorizedAccessException) - { - Logger.Debug("No write permission for: {0}.", path); - return false; - } - catch (IOException) - { - //the file is unavailable because it is: - //still being written to - //or being processed by another thread - //or does not exist (has already been processed) - Logger.Debug("{0} is locked.", path); - return true; - } - catch (Exception ex) - { - Logger.ErrorException("Error determining if file is locked: {0}", ex, path); - return false; - } - } - - private void DisposeTimer() - { - lock (_timerLock) - { - if (_timer != null) - { - _timer.Dispose(); - _timer = null; - } - } - } - - private bool _disposed; - public void Dispose() - { - _disposed = true; - DisposeTimer(); - } - } -} diff --git a/MediaBrowser.Server.Implementations/IO/LibraryMonitor.cs b/MediaBrowser.Server.Implementations/IO/LibraryMonitor.cs index 49cb1e75f..34fc85e7b 100644 --- a/MediaBrowser.Server.Implementations/IO/LibraryMonitor.cs +++ b/MediaBrowser.Server.Implementations/IO/LibraryMonitor.cs @@ -10,13 +10,14 @@ using System.Collections.Generic; using System.IO; using System.Linq; using System.Threading.Tasks; +using Emby.Server.Implementations.IO; using MediaBrowser.Common.IO; using MediaBrowser.Model.IO; using MediaBrowser.Controller; using MediaBrowser.Controller.IO; +using MediaBrowser.Model.System; using MediaBrowser.Model.Tasks; using MediaBrowser.Model.Threading; -using Microsoft.Win32; namespace MediaBrowser.Server.Implementations.IO { @@ -142,7 +143,7 @@ namespace MediaBrowser.Server.Implementations.IO /// <summary> /// Initializes a new instance of the <see cref="LibraryMonitor" /> class. /// </summary> - public LibraryMonitor(ILogManager logManager, ITaskManager taskManager, ILibraryManager libraryManager, IServerConfigurationManager configurationManager, IFileSystem fileSystem, ITimerFactory timerFactory) + public LibraryMonitor(ILogManager logManager, ITaskManager taskManager, ILibraryManager libraryManager, IServerConfigurationManager configurationManager, IFileSystem fileSystem, ITimerFactory timerFactory, ISystemEvents systemEvents) { if (taskManager == null) { @@ -156,15 +157,10 @@ namespace MediaBrowser.Server.Implementations.IO _fileSystem = fileSystem; _timerFactory = timerFactory; - SystemEvents.PowerModeChanged += SystemEvents_PowerModeChanged; + systemEvents.Resume += _systemEvents_Resume; } - /// <summary> - /// Handles the PowerModeChanged event of the SystemEvents control. - /// </summary> - /// <param name="sender">The source of the event.</param> - /// <param name="e">The <see cref="PowerModeChangedEventArgs"/> instance containing the event data.</param> - void SystemEvents_PowerModeChanged(object sender, PowerModeChangedEventArgs e) + private void _systemEvents_Resume(object sender, EventArgs e) { Restart(); } |
