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Fix race condition in ContentManager (#884)

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* Fix race condition in ContentManager

This fix a race condition happening since #791 when trying to load a
game via command line.

* Address gdk's comments

* Ensure to dispose the FileStream and not the IStorage
This commit is contained in:
Thog 2020-01-13 01:17:44 +01:00 committed by Ac_K
parent b8e3909d80
commit f0055482fd
1 changed files with 153 additions and 124 deletions
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35
Ryujinx.HLE/FileSystem/Content/ContentManager.cs
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@ -28,6 +28,8 @@ namespace Ryujinx.HLE.FileSystem.Content
private Switch _device;
private readonly object _lock = new object();
public ContentManager(Switch device)
{
_contentDictionary = new SortedDictionary<(ulong, NcaContentType), string>();
@ -57,6 +59,8 @@ namespace Ryujinx.HLE.FileSystem.Content
}
public void LoadEntries(bool ignoreMissingFonts = false)
{
lock (_lock)
{
_contentDictionary = new SortedDictionary<(ulong, NcaContentType), string>();
_locationEntries = new Dictionary<StorageId, LinkedList<LocationEntry>>();
@ -93,7 +97,7 @@ namespace Ryujinx.HLE.FileSystem.Content
{
string ncaName = new DirectoryInfo(directoryPath).Name.Replace(".nca", string.Empty);
using (FileStream ncaFile = new FileStream(Directory.GetFiles(directoryPath)[0], FileMode.Open, FileAccess.Read))
using (FileStream ncaFile = File.OpenRead(Directory.GetFiles(directoryPath)[0]))
{
Nca nca = new Nca(_device.System.KeySet, ncaFile.AsStorage());
@ -156,13 +160,19 @@ namespace Ryujinx.HLE.FileSystem.Content
_device.System.Font.Initialize(this, ignoreMissingFonts);
}
}
public void ClearEntry(long titleId, NcaContentType contentType, StorageId storageId)
{
lock (_lock)
{
RemoveLocationEntry(titleId, contentType, storageId);
}
}
public void RefreshEntries(StorageId storageId, int flag)
{
lock (_lock)
{
LinkedList<LocationEntry> locationList = _locationEntries[storageId];
LinkedListNode<LocationEntry> locationEntry = locationList.First;
@ -179,8 +189,11 @@ namespace Ryujinx.HLE.FileSystem.Content
locationEntry = nextLocationEntry;
}
}
}
public bool HasNca(string ncaId, StorageId storageId)
{
lock (_lock)
{
if (_contentDictionary.ContainsValue(ncaId))
{
@ -192,29 +205,38 @@ namespace Ryujinx.HLE.FileSystem.Content
return storage == storageId;
}
}
return false;
}
public UInt128 GetInstalledNcaId(long titleId, NcaContentType contentType)
{
lock (_lock)
{
if (_contentDictionary.ContainsKey(((ulong)titleId, contentType)))
{
return new UInt128(_contentDictionary[((ulong)titleId, contentType)]);
}
}
return new UInt128();
}
public StorageId GetInstalledStorage(long titleId, NcaContentType contentType, StorageId storageId)
{
lock (_lock)
{
LocationEntry locationEntry = GetLocation(titleId, contentType, storageId);
return locationEntry.ContentPath != null ?
LocationHelper.GetStorageId(locationEntry.ContentPath) : StorageId.None;
}
}
public string GetInstalledContentPath(long titleId, StorageId storageId, NcaContentType contentType)
{
lock (_lock)
{
LocationEntry locationEntry = GetLocation(titleId, contentType, storageId);
@ -222,11 +244,14 @@ namespace Ryujinx.HLE.FileSystem.Content
{
return locationEntry.ContentPath;
}
}
return string.Empty;
}
public void RedirectLocation(LocationEntry newEntry, StorageId storageId)
{
lock (_lock)
{
LocationEntry locationEntry = GetLocation(newEntry.TitleId, newEntry.ContentType, storageId);
@ -237,6 +262,7 @@ namespace Ryujinx.HLE.FileSystem.Content
AddLocationEntry(newEntry, storageId);
}
}
private bool VerifyContentType(LocationEntry locationEntry, NcaContentType contentType)
{
@ -827,6 +853,8 @@ namespace Ryujinx.HLE.FileSystem.Content
{
LoadEntries(true);
lock (_lock)
{
var locationEnties = _locationEntries[StorageId.NandSystem];
foreach (var entry in locationEnties)
@ -835,9 +863,9 @@ namespace Ryujinx.HLE.FileSystem.Content
{
var path = _device.FileSystem.SwitchPathToSystemPath(entry.ContentPath);
using (IStorage ncaStorage = File.Open(path, FileMode.Open).AsStorage())
using (FileStream fileStream = File.OpenRead(path))
{
Nca nca = new Nca(_device.System.KeySet, ncaStorage);
Nca nca = new Nca(_device.System.KeySet, fileStream.AsStorage());
if (nca.Header.TitleId == SystemVersionTitleId && nca.Header.ContentType == NcaContentType.Data)
{
@ -852,6 +880,7 @@ namespace Ryujinx.HLE.FileSystem.Content
}
}
}
}
return null;
}