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reduce scanning overhead a bit

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Luke Pulverenti
2013-04-15 14:45:58 -04:00
parent 3d9b862430
commit 2b8b98b590
16 changed files with 198 additions and 96 deletions
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80
MediaBrowser.ServerApplication/EntryPoints/WebSocketEvents.cs
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@@ -1,4 +1,6 @@
using MediaBrowser.Common.Events;
using System.Linq;
using System.Threading;
using MediaBrowser.Common.Events;
using MediaBrowser.Common.Net;
using MediaBrowser.Common.Plugins;
using MediaBrowser.Common.ScheduledTasks;
@@ -8,6 +10,7 @@ using MediaBrowser.Controller.Entities;
using MediaBrowser.Controller.Library;
using MediaBrowser.Controller.Plugins;
using MediaBrowser.Controller.Updates;
using MediaBrowser.Model.Entities;
using MediaBrowser.Model.Logging;
using MediaBrowser.Model.Tasks;
using MediaBrowser.Model.Updates;
@@ -49,8 +52,33 @@ namespace MediaBrowser.ServerApplication.EntryPoints
/// </summary>
private readonly IServerApplicationHost _appHost;
/// <summary>
/// The _task manager
/// </summary>
private readonly ITaskManager _taskManager;
/// <summary>
/// The _library changed sync lock
/// </summary>
private readonly object _libraryChangedSyncLock = new object();
/// <summary>
/// Gets or sets the library update info.
/// </summary>
/// <value>The library update info.</value>
private LibraryUpdateInfo LibraryUpdateInfo { get; set; }
/// <summary>
/// Gets or sets the library update timer.
/// </summary>
/// <value>The library update timer.</value>
private Timer LibraryUpdateTimer { get; set; }
/// <summary>
/// The library update duration
/// </summary>
private const int LibraryUpdateDuration = 60000;
/// <summary>
/// Initializes a new instance of the <see cref="WebSocketEvents" /> class.
/// </summary>
@@ -145,7 +173,47 @@ namespace MediaBrowser.ServerApplication.EntryPoints
/// <param name="e">The <see cref="ChildrenChangedEventArgs" /> instance containing the event data.</param>
void libraryManager_LibraryChanged(object sender, ChildrenChangedEventArgs e)
{
_serverManager.SendWebSocketMessage("LibraryChanged", () => DtoBuilder.GetLibraryUpdateInfo(e));
lock (_libraryChangedSyncLock)
{
if (LibraryUpdateInfo == null)
{
LibraryUpdateInfo = new LibraryUpdateInfo();
}
if (LibraryUpdateTimer == null)
{
LibraryUpdateTimer = new Timer(LibraryUpdateTimerCallback, null, LibraryUpdateDuration,
Timeout.Infinite);
}
else
{
LibraryUpdateTimer.Change(LibraryUpdateDuration, Timeout.Infinite);
}
LibraryUpdateInfo.Folders.Add(e.Folder.Id);
LibraryUpdateInfo.ItemsAdded.AddRange(e.ItemsAdded.Select(i => i.Id));
LibraryUpdateInfo.ItemsUpdated.AddRange(e.ItemsUpdated.Select(i => i.Id));
LibraryUpdateInfo.ItemsRemoved.AddRange(e.ItemsRemoved.Select(i => i.Id));
}
}
/// <summary>
/// Libraries the update timer callback.
/// </summary>
/// <param name="state">The state.</param>
private void LibraryUpdateTimerCallback(object state)
{
lock (_libraryChangedSyncLock)
{
_serverManager.SendWebSocketMessage("LibraryChanged", LibraryUpdateInfo);
if (LibraryUpdateTimer != null)
{
LibraryUpdateTimer.Dispose();
LibraryUpdateTimer = null;
}
}
}
/// <summary>
@@ -206,6 +274,12 @@ namespace MediaBrowser.ServerApplication.EntryPoints
{
if (dispose)
{
if (LibraryUpdateTimer != null)
{
LibraryUpdateTimer.Dispose();
LibraryUpdateTimer = null;
}
_userManager.UserDeleted -= userManager_UserDeleted;
_userManager.UserUpdated -= userManager_UserUpdated;