warrentyexpired/ModernUO
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feat: Updates serialization to use MMF (considerable memory savings) (#1841)

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### Summary
Updates the serialization strategy to use `MemoryMappedFile` instead of thick buffers. This has the benefit of being on-par with the current implementation (based on hardware/OS), however won't incur the double-memory issue.

> [!Important]
> **Developer Note**
> The `BinaryFileWriter` and `BinaryFileReader` has been removed in favor of `MemoryMapFileWriter` and `UnmanagedDataReader`
This commit is contained in:
Kamron Batman 2024-06-23 10:51:20 -07:00 • committed by GitHub
parent 3b84c8052c
commit 8ec203f387
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GPG key ID: B5690EEEBB952194
27 changed files with 1271 additions and 941 deletions
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13
Projects/Server/Main.cs
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@ -1,6 +1,6 @@
/*************************************************************************
* ModernUO *
* Copyright 2019-2023 - ModernUO Development Team *
* Copyright 2019-2024 - ModernUO Development Team *
* Email: hi@modernuo.com *
* File: Main.cs *
* *
@ -40,6 +40,7 @@ public static class Core
private static bool _performProcessKill;
private static bool _restartOnKill;
private static bool _performSnapshot;
private static string _snapshotPath;
private static bool _crashed;
private static string _baseDirectory;
@ -411,7 +412,6 @@ public static class Core
logger.Information("Shutting down");
World.WaitForWriteCompletion();
World.ExitSerializationThreads();
if (!_crashed)
@ -553,12 +553,13 @@ public static class Core
if (_performSnapshot)
{
// Return value is the offset that can be used to fix timers that should drift
World.Snapshot();
World.Snapshot(_snapshotPath);
_performSnapshot = false;
}
if (_performProcessKill)
{
World.WaitForWriteCompletion();
break;
}
@ -594,7 +595,11 @@ public static class Core
DoKill(_restartOnKill);
}
internal static void RequestSnapshot() => _performSnapshot = true;
internal static void RequestSnapshot(string snapshotPath)
{
_performSnapshot = true;
_snapshotPath = snapshotPath;
}
public static void VerifySerialization()
{