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Implement ReadDirectoryEntry in winfsp.

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This commit is contained in:
Natalia Portillo
2020-09-03 17:39:23 +01:00
parent 59194499b6
commit 57bda701f2
1 changed files with 162 additions and 13 deletions
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175
RomRepoMgr.Core/Filesystem/Winfsp.cs
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@@ -1,6 +1,8 @@
using System;
using System.Collections.Concurrent;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Runtime.InteropServices;
using Fsp;
using Fsp.Interop;
@@ -184,7 +186,13 @@ namespace RomRepoMgr.Core.Filesystem
IsDirectory = true,
Info = fileInfo,
Path = fileName,
RomSetId = romSet.Id
RomSetId = romSet.Id,
ParentInfo = new FileInfo
{
CreationTime = (ulong)DateTime.UtcNow.ToFileTimeUtc(),
FileAttributes = (uint)(FileAttributes.Directory | FileAttributes.Compressed),
LastWriteTime = (ulong)DateTime.UtcNow.ToFileTimeUtc()
}
};
return STATUS_SUCCESS;
@@ -200,9 +208,9 @@ namespace RomRepoMgr.Core.Filesystem
{
fileInfo = new FileInfo
{
CreationTime = (ulong)romSet.CreatedOn.ToUniversalTime().ToFileTimeUtc(),
CreationTime = (ulong)machine.CreationDate.ToUniversalTime().ToFileTimeUtc(),
FileAttributes = (uint)(FileAttributes.Directory | FileAttributes.Compressed),
LastWriteTime = (ulong)romSet.UpdatedOn.ToUniversalTime().ToFileTimeUtc()
LastWriteTime = (ulong)machine.ModificationDate.ToUniversalTime().ToFileTimeUtc()
};
normalizedName = Path.GetFileName(fileName);
@@ -213,7 +221,13 @@ namespace RomRepoMgr.Core.Filesystem
IsDirectory = true,
Info = fileInfo,
Path = fileName,
MachineId = machine.Id
MachineId = machine.Id,
ParentInfo = new FileInfo
{
CreationTime = (ulong)romSet.CreatedOn.ToUniversalTime().ToFileTimeUtc(),
FileAttributes = (uint)(FileAttributes.Directory | FileAttributes.Compressed),
LastWriteTime = (ulong)romSet.UpdatedOn.ToUniversalTime().ToFileTimeUtc()
}
};
return STATUS_SUCCESS;
@@ -307,16 +321,151 @@ namespace RomRepoMgr.Core.Filesystem
return STATUS_SUCCESS;
}
class FileNode
public override bool ReadDirectoryEntry(object fileNode, object fileDesc, string pattern, string marker,
ref object context, out string fileName, out FileInfo fileInfo)
{
public FileInfo Info { get; set; }
public string FileName { get; set; }
public string Path { get; set; }
public long Handle { get; set; }
public List<string> Children { get; set; }
public bool IsDirectory { get; set; }
public long RomSetId { get; set; }
public ulong MachineId { get; set; }
fileName = default;
fileInfo = default;
if(!(fileNode is FileNode node) ||
!node.IsDirectory)
return false;
if(!(context is IEnumerator<FileEntry> enumerator))
{
if(node.MachineId > 0)
{
ConcurrentDictionary<string, CachedFile> cachedMachineFiles =
_vfs.GetFilesFromMachine(node.MachineId);
node.Children = new List<FileEntry>
{
new FileEntry
{
FileName = ".",
Info = node.Info
},
new FileEntry
{
FileName = "..",
Info = node.ParentInfo
}
};
node.Children.AddRange(cachedMachineFiles.Select(file => new FileEntry
{
FileName = file.Key,
Info = new FileInfo
{
ChangeTime = (ulong)file.Value.UpdatedOn.ToFileTimeUtc(),
AllocationSize = (file.Value.Size + 511) / 512,
FileSize = file.Value.Size,
CreationTime = (ulong)file.Value.CreatedOn.ToFileTimeUtc(),
FileAttributes =
(uint)(FileAttributes.Normal | FileAttributes.Compressed | FileAttributes.ReadOnly),
IndexNumber = file.Value.Id,
LastAccessTime = (ulong)DateTime.UtcNow.ToFileTimeUtc(),
LastWriteTime = (ulong)file.Value.UpdatedOn.ToFileTimeUtc()
}
}));
}
else if(node.RomSetId > 0)
{
ConcurrentDictionary<string, CachedMachine> machines = _vfs.GetMachinesFromRomSet(node.RomSetId);
node.Children = new List<FileEntry>
{
new FileEntry
{
FileName = ".",
Info = node.Info
},
new FileEntry
{
FileName = "..",
Info = node.ParentInfo
}
};
node.Children.AddRange(machines.Select(machine => new FileEntry
{
FileName = machine.Key,
Info = new FileInfo
{
CreationTime = (ulong)machine.Value.CreationDate.ToUniversalTime().ToFileTimeUtc(),
FileAttributes = (uint)(FileAttributes.Directory | FileAttributes.Compressed),
LastWriteTime = (ulong)machine.Value.ModificationDate.ToUniversalTime().ToFileTimeUtc()
}
}));
}
else
{
node.Children = new List<FileEntry>();
node.Children.AddRange(_vfs.GetRootEntries().Select(e => new FileEntry
{
FileName = e,
IsRomSet = true
}));
}
context = enumerator = node.Children.GetEnumerator();
}
while(enumerator.MoveNext())
{
FileEntry entry = enumerator.Current;
if(entry is null)
continue;
if(entry.IsRomSet)
{
long romSetId = _vfs.GetRomSetId(entry.FileName);
if(romSetId <= 0)
continue;
RomSet romSet = _vfs.GetRomSet(romSetId);
if(romSet is null)
continue;
entry.Info = new FileInfo
{
CreationTime = (ulong)romSet.CreatedOn.ToUniversalTime().ToFileTimeUtc(),
FileAttributes = (uint)(FileAttributes.Directory | FileAttributes.Compressed),
LastWriteTime = (ulong)romSet.UpdatedOn.ToUniversalTime().ToFileTimeUtc()
};
}
fileName = entry.FileName;
fileInfo = entry.Info;
return true;
}
return false;
}
sealed class FileEntry
{
public string FileName { get; set; }
public FileInfo Info { get; set; }
public bool IsRomSet { get; set; }
}
sealed class FileNode
{
public FileInfo Info { get; set; }
public FileInfo ParentInfo { get; set; }
public string FileName { get; set; }
public string Path { get; set; }
public long Handle { get; set; }
public List<FileEntry> Children { get; set; }
public bool IsDirectory { get; set; }
public long RomSetId { get; set; }
public ulong MachineId { get; set; }
}
}
}