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Remove BSON code, switch to custon writer

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This commit is contained in:
Timothy Baldridge 2019-08-25 14:22:23 -06:00
parent bf181cdc2d
commit 84b46bc442
1 changed files with 61 additions and 4 deletions
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65
VirtualFileSystem/VirtualFileSystem.cs
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@ -45,11 +45,30 @@ namespace VFS
try
{
Utils.Log("Loading VFS Cache");
if (!File.Exists("vfs_cache.bson")) return;
_files = "vfs_cache.bson".FromBSON<IEnumerable<VirtualFile>>(root_is_array: true).ToDictionary(f => f.FullPath);
if (!File.Exists("vfs_cache.bin")) return;
_files = new Dictionary<string, VirtualFile>();
try
{
using (var fs = File.OpenRead("vfs_cache.bin"))
using (var br = new BinaryReader(fs))
{
while (true)
{
var fr = VirtualFile.Read(br);
_files.Add(fr.FullPath, fr);
}
}
}
catch (EndOfStreamException ex)
{
}
CleanDB();
}
catch(Exception ex)
catch (Exception ex)
{
Utils.Log($"Purging cache due to {ex}");
File.Delete("vfs_cache.bson");
@ -67,7 +86,23 @@ namespace VFS
try
{
_isSyncing = true;
_files.Values.OfType<VirtualFile>().ToBSON("vfs_cache.bson");
if (File.Exists("vfs_cache.bin_new"))
File.Delete("vfs_cache.bin_new");
using (var fs = File.OpenWrite("vfs_cache.bin_new"))
using (var bw = new BinaryWriter(fs))
{
foreach (var f in _files.Values)
{
f.Write(bw);
}
}
if (File.Exists("vfs_cache.bin"))
File.Delete("vfs_cache.bin");
File.Move("vfs_cache.bin_new", "vfs_cache.bin");
}
finally
{
@ -597,6 +632,28 @@ namespace VFS
}
}
public void Write(BinaryWriter bw)
{
bw.Write(FullPath);
bw.Write(Hash ?? "");
bw.Write(Size);
bw.Write(LastModified);
}
public static VirtualFile Read(BinaryReader rdr)
{
var vf = new VirtualFile();
var full_path = rdr.ReadString();
vf.Paths = full_path.Split('|');
vf._fullPath = full_path;
vf.Hash = rdr.ReadString();
if (vf.Hash == "") vf.Hash = null;
vf.Size = rdr.ReadInt64();
vf.LastModified = rdr.ReadUInt64();
return vf;
}
}