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Some directory-watcher rework - still not working properly

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This commit is contained in:
ebr11 Eric Reed spam 2012-09-20 11:25:16 -04:00
parent 6edc836ce5
commit 4e3ce41880
5 changed files with 73 additions and 169 deletions
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10
MediaBrowser.Controller/Entities/BaseItem.cs
View File

@ -2,6 +2,7 @@
using MediaBrowser.Controller.Library;
using MediaBrowser.Controller.IO;
using System;
using System.Threading.Tasks;
using System.Collections.Generic;
using System.Linq;
@ -179,5 +180,14 @@ namespace MediaBrowser.Controller.Entities
data.PlaybackPositionTicks = 0;
}
}
/// <summary>
/// Do whatever refreshing is necessary when the filesystem pertaining to this item has changed.
/// </summary>
/// <returns></returns>
public virtual Task ChangedExternally()
{
return Task.Run(() => RefreshMetadata());
}
}
}

59
MediaBrowser.Controller/Entities/Folder.cs
View File

@ -272,7 +272,7 @@ namespace MediaBrowser.Controller.Entities
}
/// <summary>
/// Finds child BaseItems for a given Folder
/// Finds child BaseItems for us
/// </summary>
protected Task<BaseItem>[] GetChildren(WIN32_FIND_DATA[] fileSystemChildren)
{
@ -328,6 +328,26 @@ namespace MediaBrowser.Controller.Entities
}
}
/// <summary>
/// Folders need to validate and refresh
/// </summary>
/// <returns></returns>
public override Task ChangedExternally()
{
return Task.Run(() =>
{
if (this.IsRoot)
{
Kernel.Instance.ReloadRoot().ConfigureAwait(false);
}
else
{
RefreshMetadata();
ValidateChildren();
}
});
}
/// <summary>
/// Since it can be slow to make all of these calculations at once, this method will provide a way to get them all back together
/// </summary>
@ -578,17 +598,8 @@ namespace MediaBrowser.Controller.Entities
return result;
}
foreach (BaseItem item in ActualChildren)
{
result = item.FindItemById(id);
if (result != null)
{
return result;
}
}
return null;
//this should be functionally equivilent to what was here since it is IEnum and works on a thread-safe copy
return RecursiveChildren.FirstOrDefault(i => i.Id == id);
}
/// <summary>
@ -596,31 +607,13 @@ namespace MediaBrowser.Controller.Entities
/// </summary>
public BaseItem FindByPath(string path)
{
if (Path.Equals(path, StringComparison.OrdinalIgnoreCase))
if (PhysicalLocations.Contains(path, StringComparer.OrdinalIgnoreCase))
{
return this;
}
foreach (BaseItem item in ActualChildren)
{
var folder = item as Folder;
if (folder != null)
{
var foundItem = folder.FindByPath(path);
if (foundItem != null)
{
return foundItem;
}
}
else if (item.Path.Equals(path, StringComparison.OrdinalIgnoreCase))
{
return item;
}
}
return null;
//this should be functionally equivilent to what was here since it is IEnum and works on a thread-safe copy
return RecursiveChildren.FirstOrDefault(i => i.Path.Equals(path, StringComparison.OrdinalIgnoreCase));
}
}
}

44
MediaBrowser.Controller/IO/DirectoryWatchers.cs
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@ -16,7 +16,7 @@ namespace MediaBrowser.Controller.IO
private Timer updateTimer;
private List<string> affectedPaths = new List<string>();
private const int TimerDelayInSeconds = 5;
private const int TimerDelayInSeconds = 30;
public void Start()
{
@ -44,12 +44,13 @@ namespace MediaBrowser.Controller.IO
var watcher = new FileSystemWatcher(path, "*") { };
watcher.IncludeSubdirectories = true;
watcher.Changed += watcher_Changed;
//watcher.Changed += watcher_Changed;
// All the others seem to trigger change events on the parent, so let's keep it simple for now.
//watcher.Created += watcher_Changed;
//watcher.Deleted += watcher_Changed;
//watcher.Renamed += watcher_Changed;
// Actually, we really need to only watch created, deleted and renamed as changed fires too much -ebr
watcher.Created += watcher_Changed;
watcher.Deleted += watcher_Changed;
watcher.Renamed += watcher_Changed;
watcher.EnableRaisingEvents = true;
FileSystemWatchers.Add(watcher);
@ -58,9 +59,23 @@ namespace MediaBrowser.Controller.IO
void watcher_Changed(object sender, FileSystemEventArgs e)
{
if (!affectedPaths.Contains(e.FullPath))
Logger.LogDebugInfo("****** Watcher sees change of type " + e.ChangeType.ToString() + " to " + e.FullPath);
lock (affectedPaths)
{
affectedPaths.Add(e.FullPath);
if (!affectedPaths.Contains(e.FullPath))
{
Logger.LogDebugInfo("****** Adding " + e.FullPath + " to affected paths.");
affectedPaths.Add(e.FullPath);
}
if (e.ChangeType == WatcherChangeTypes.Renamed)
{
var renamedArgs = e as RenamedEventArgs;
if (affectedPaths.Contains(renamedArgs.OldFullPath))
{
Logger.LogDebugInfo("****** Removing " + renamedArgs.OldFullPath + " from affected paths.");
affectedPaths.Remove(renamedArgs.OldFullPath);
}
}
}
if (updateTimer == null)
@ -77,9 +92,12 @@ namespace MediaBrowser.Controller.IO
{
updateTimer.Dispose();
updateTimer = null;
List<string> paths = affectedPaths;
affectedPaths = new List<string>();
List<string> paths;
lock (affectedPaths)
{
paths = affectedPaths;
affectedPaths = new List<string>();
}
await ProcessPathChanges(paths).ConfigureAwait(false);
}
@ -106,14 +124,16 @@ namespace MediaBrowser.Controller.IO
return Kernel.Instance.ReloadRoot();
}
return Task.WhenAll(itemsToRefresh.Select(i => Kernel.Instance.ReloadItem(i)));
foreach (var p in paths) Logger.LogDebugInfo("********* "+ p + " reports change.");
foreach (var i in itemsToRefresh) Logger.LogDebugInfo("********* "+i.Name + " will be refreshed.");
return Task.WhenAll(itemsToRefresh.Select(i => i.ChangedExternally()));
}
private BaseItem GetAffectedBaseItem(string path)
{
BaseItem item = null;
while (item == null)
while (item == null && !string.IsNullOrEmpty(path))
{
item = Kernel.Instance.RootFolder.FindByPath(path);

38
MediaBrowser.Controller/Kernel.cs
View File

@ -201,10 +201,10 @@ namespace MediaBrowser.Controller
//Task.Delay(30000); //let's wait and see if more data gets filled in...
var allChildren = RootFolder.RecursiveChildren;
Logger.LogDebugInfo(string.Format("Loading complete. Movies: {0} Episodes: {1} Folders: {2}", allChildren.OfType<Entities.Movies.Movie>().Count(), allChildren.OfType<Entities.TV.Episode>().Count(), allChildren.Where(i => i is Folder && !(i is Series || i is Season)).Count()));
foreach (var child in allChildren)
{
Logger.LogDebugInfo("(" + child.GetType().Name + ") " + child.Name + " (" + child.Path + ")");
}
//foreach (var child in allChildren)
//{
// Logger.LogDebugInfo("(" + child.GetType().Name + ") " + child.Name + " (" + child.Path + ")");
//}
}
/// <summary>
@ -257,36 +257,6 @@ namespace MediaBrowser.Controller
return result;
}
public async Task ReloadItem(BaseItem item)
{
var folder = item as Folder;
if (folder != null && folder.IsRoot)
{
await ReloadRoot().ConfigureAwait(false);
}
else
{
if (!Directory.Exists(item.Path) && !File.Exists(item.Path))
{
await ReloadItem(item.Parent).ConfigureAwait(false);
return;
}
BaseItem newItem = await ItemController.GetItem(item.Path, item.Parent).ConfigureAwait(false);
List<BaseItem> children = item.Parent.Children.ToList();
int index = children.IndexOf(item);
children.RemoveAt(index);
children.Insert(index, newItem);
//item.Parent.ActualChildren = children.ToArray();
}
}
/// <summary>
/// Finds a library item by Id
/// </summary>

91
MediaBrowser.Controller/Library/ItemController.cs
View File

@ -13,21 +13,6 @@ namespace MediaBrowser.Controller.Library
{
public class ItemController
{
//private BaseItem ResolveItem(ItemResolveEventArgs args)
//{
// // Try first priority resolvers
// for (int i = 0; i < Kernel.Instance.EntityResolvers.Length; i++)
// {
// var item = Kernel.Instance.EntityResolvers[i].ResolvePath(args);
// if (item != null)
// {
// return item;
// }
// }
// return null;
//}
/// <summary>
/// Resolves a path into a BaseItem
@ -56,7 +41,7 @@ namespace MediaBrowser.Controller.Library
}
// Fire BeginResolvePath to see if anyone wants to cancel this operation
// Check to see if we should resolve based on our contents
if (!EntityResolutionHelper.ShouldResolvePathContents(args))
{
return null;
@ -67,80 +52,6 @@ namespace MediaBrowser.Controller.Library
return item;
}
///// <summary>
///// Finds child BaseItems for a given Folder
///// </summary>
//private Task<BaseItem>[] GetChildren(Folder folder, WIN32_FIND_DATA[] fileSystemChildren, bool allowInternetProviders)
//{
// Task<BaseItem>[] tasks = new Task<BaseItem>[fileSystemChildren.Length];
// for (int i = 0; i < fileSystemChildren.Length; i++)
// {
// var child = fileSystemChildren[i];
// tasks[i] = GetItem(child.Path, folder, child, allowInternetProviders: allowInternetProviders);
// }
// return tasks;
//}
///// <summary>
///// Transforms shortcuts into their actual paths
///// </summary>
//private WIN32_FIND_DATA[] FilterChildFileSystemEntries(WIN32_FIND_DATA[] fileSystemChildren, bool flattenShortcuts)
//{
// WIN32_FIND_DATA[] returnArray = new WIN32_FIND_DATA[fileSystemChildren.Length];
// List<WIN32_FIND_DATA> resolvedShortcuts = new List<WIN32_FIND_DATA>();
// for (int i = 0; i < fileSystemChildren.Length; i++)
// {
// WIN32_FIND_DATA file = fileSystemChildren[i];
// // If it's a shortcut, resolve it
// if (Shortcut.IsShortcut(file.Path))
// {
// string newPath = Shortcut.ResolveShortcut(file.Path);
// WIN32_FIND_DATA newPathData = FileData.GetFileData(newPath);
// // Find out if the shortcut is pointing to a directory or file
// if (newPathData.IsDirectory)
// {
// // If we're flattening then get the shortcut's children
// if (flattenShortcuts)
// {
// returnArray[i] = file;
// WIN32_FIND_DATA[] newChildren = FileData.GetFileSystemEntries(newPath, "*").ToArray();
// resolvedShortcuts.AddRange(FilterChildFileSystemEntries(newChildren, false));
// }
// else
// {
// returnArray[i] = newPathData;
// }
// }
// else
// {
// returnArray[i] = newPathData;
// }
// }
// else
// {
// returnArray[i] = file;
// }
// }
// if (resolvedShortcuts.Count > 0)
// {
// resolvedShortcuts.InsertRange(0, returnArray);
// return resolvedShortcuts.ToArray();
// }
// else
// {
// return returnArray;
// }
//}
/// <summary>
/// Gets a Person
/// </summary>