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fix: Fixes serializing strings and uses memory mapped files for loading (#1133)

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Kamron Batman 2022-08-16 08:59:00 -07:00 • committed by GitHub
parent bc746dbf14
commit 2ae762904f
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5 changed files with 363 additions and 324 deletions
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86
Projects/Server/Serialization/GenericPersistence.cs
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@ -16,69 +16,37 @@
using System;
using System.IO;
namespace Server
namespace Server;
public static class GenericPersistence
{
public static class GenericPersistence
public static void Register(
string name,
Action<IGenericWriter> serializer,
Action<IGenericReader> deserializer,
int priority = Persistence.DefaultPriority
)
{
public static void Register(
string name,
Action<IGenericWriter> serializer,
Action<IGenericReader> deserializer,
int priority = Persistence.DefaultPriority
)
BufferWriter saveBuffer = null;
void Serialize()
{
BufferWriter saveBuffer = null;
saveBuffer ??= new BufferWriter(true);
saveBuffer.Seek(0, SeekOrigin.Begin);
void Serialize()
{
saveBuffer ??= new BufferWriter(true);
saveBuffer.Seek(0, SeekOrigin.Begin);
serializer(saveBuffer);
}
void WriterSnapshot(string savePath)
{
var path = Path.Combine(savePath, name);
PathUtility.EnsureDirectory(path);
string binPath = Path.Combine(path, $"{name}.bin");
using var bin = new BinaryFileWriter(binPath, true);
saveBuffer!.Resize((int)saveBuffer.Position);
bin.Write(saveBuffer.Buffer);
}
void Deserialize(string savePath)
{
var path = Path.Combine(savePath, name);
PathUtility.EnsureDirectory(path);
string binPath = Path.Combine(path, $"{name}.bin");
if (!File.Exists(binPath))
{
return;
}
try
{
using FileStream fs = new FileStream(binPath, FileMode.Open, FileAccess.Read, FileShare.Read);
using var br = new BinaryFileReader(fs);
deserializer(br);
}
catch (Exception e)
{
Utility.PushColor(ConsoleColor.Red);
Console.WriteLine($"***** Bad deserialize of {name} *****");
Console.WriteLine(e.ToString());
Utility.PopColor();
}
}
Persistence.Register(name, Serialize, WriterSnapshot, Deserialize, priority);
serializer(saveBuffer);
}
void WriterSnapshot(string savePath)
{
string binPath = Path.Combine(savePath, name, $"{name}.bin");
var buffer = saveBuffer!.Buffer.AsSpan(0, (int)saveBuffer.Position);
AdhocPersistence.WriteSnapshot(binPath, buffer);
}
void Deserialize(string savePath) =>
AdhocPersistence.Deserialize(Path.Combine(savePath, name, $"{name}.bin"), deserializer);
Persistence.Register(name, Serialize, WriterSnapshot, Deserialize, priority);
}
}