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Diffstat (limited to 'lib/VNLib.Plugins.Extensions.VNCache/src/BucketLocalManagerFactory.cs')
-rw-r--r--lib/VNLib.Plugins.Extensions.VNCache/src/BucketLocalManagerFactory.cs154
1 files changed, 0 insertions, 154 deletions
diff --git a/lib/VNLib.Plugins.Extensions.VNCache/src/BucketLocalManagerFactory.cs b/lib/VNLib.Plugins.Extensions.VNCache/src/BucketLocalManagerFactory.cs
deleted file mode 100644
index cea06a3..0000000
--- a/lib/VNLib.Plugins.Extensions.VNCache/src/BucketLocalManagerFactory.cs
+++ /dev/null
@@ -1,154 +0,0 @@
-/*
-* Copyright (c) 2023 Vaughn Nugent
-*
-* Library: VNLib
-* Package: ObjectCacheServer
-* File: BucketLocalManagerFactory.cs
-*
-* BucketLocalManagerFactory.cs is part of ObjectCacheServer which is part of the larger
-* VNLib collection of libraries and utilities.
-*
-* ObjectCacheServer is free software: you can redistribute it and/or modify
-* it under the terms of the GNU Affero General Public License as
-* published by the Free Software Foundation, either version 3 of the
-* License, or (at your option) any later version.
-*
-* ObjectCacheServer is distributed in the hope that it will be useful,
-* but WITHOUT ANY WARRANTY; without even the implied warranty of
-* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-* GNU Affero General Public License for more details.
-*
-* You should have received a copy of the GNU Affero General Public License
-* along with this program. If not, see https://www.gnu.org/licenses/.
-*/
-
-using System;
-using System.Buffers;
-using System.Text.Json;
-using System.Collections.Generic;
-using System.Runtime.CompilerServices;
-
-using VNLib.Plugins;
-using VNLib.Utils;
-using VNLib.Utils.Memory;
-using VNLib.Utils.Extensions;
-using VNLib.Plugins.Extensions.Loading;
-
-namespace VNLib.Data.Caching.ObjectCache.Server
-{
- [ConfigurationName("memory_manager", Required = false)]
- internal sealed class BucketLocalManagerFactory : VnDisposeable, ICacheMemoryManagerFactory
- {
- private readonly LinkedList<BucketLocalManager> _managers = new ();
- private readonly bool _zeroAll;
-
- ///<inheritdoc/>
- public ICacheEntryMemoryManager CreateForBucket(uint bucketId)
- {
- //Init a new heap for a individual bucket
- IUnmangedHeap localHeap = MemoryUtil.InitializeNewHeapForProcess();
-
- BucketLocalManager manager = new (localHeap, bucketId, _zeroAll);
- _managers.AddLast(manager);
-
- return manager;
- }
-
- /// <summary>
- /// Creates a new <see cref="BucketLocalManagerFactory"/> with the specified zero all flag
- /// that is not managed by a plugin instance
- /// </summary>
- /// <param name="zeroAll">Forces all allocations to be zeroed before being returned to callers</param>
- /// <returns></returns>
- public static BucketLocalManagerFactory Create(bool zeroAll) => new (zeroAll);
-
- private BucketLocalManagerFactory(bool zeroAll)
- {
- _zeroAll = zeroAll;
- }
-
- public BucketLocalManagerFactory(PluginBase plugin) : this(plugin, null)
- { }
-
- public BucketLocalManagerFactory(PluginBase plugin, IConfigScope? config)
- {
- if (config != null)
- {
- //Try to get the zero all flag
- if (config.TryGetValue("zero_all", out JsonElement zeroEl))
- {
- _zeroAll = zeroEl.GetBoolean();
- }
- }
- }
-
- protected override void Free()
- {
- //Free heaps on exit
- foreach (BucketLocalManager manager in _managers)
- {
- manager.Heap.Dispose();
- }
- }
-
- /*
- * Buckets are mutually exclusive, so we can use a single heap for each bucket
- * to get a little more performance on memory operations
- */
-
- private sealed record class BucketLocalManager(IUnmangedHeap Heap, uint BucketId, bool Zero) : ICacheEntryMemoryManager
- {
-
- ///<inheritdoc/>
- public object AllocHandle(uint size) => Heap.Alloc<byte>(size, Zero);
-
- ///<inheritdoc/>
- public void FreeHandle(object handle)
- {
- _ = handle ?? throw new ArgumentNullException(nameof(handle));
- MemoryHandle<byte> _handle = Unsafe.As<object, MemoryHandle<byte>>(ref handle);
-
- //Free the handle
- _handle.Dispose();
- }
-
- ///<inheritdoc/>
- public uint GetHandleSize(object handle)
- {
- _ = handle ?? throw new ArgumentNullException(nameof(handle));
- MemoryHandle<byte> _handle = Unsafe.As<object, MemoryHandle<byte>>(ref handle);
-
- return (uint)_handle.Length;
- }
-
- ///<inheritdoc/>
- public Span<byte> GetSpan(object handle, uint offset, uint length)
- {
- _ = handle ?? throw new ArgumentNullException(nameof(handle));
- MemoryHandle<byte> _handle = Unsafe.As<object, MemoryHandle<byte>>(ref handle);
-
- return _handle.GetOffsetSpan(offset, checked((int)length));
- }
-
- ///<inheritdoc/>
- public MemoryHandle PinHandle(object handle, int offset)
- {
- _ = handle ?? throw new ArgumentNullException(nameof(handle));
- MemoryHandle<byte> _handle = Unsafe.As<object, MemoryHandle<byte>>(ref handle);
-
- //Pin the handle
- return _handle.Pin(offset);
- }
-
- ///<inheritdoc/>
- public void ResizeHandle(object handle, uint newSize)
- {
- _ = handle ?? throw new ArgumentNullException(nameof(handle));
- MemoryHandle<byte> _handle = Unsafe.As<object, MemoryHandle<byte>>(ref handle);
-
- //Resize the handle
- _handle.ResizeIfSmaller(newSize);
- }
- }
- }
-}