| | | 1 | | // Licensed to the .NET Foundation under one or more agreements. |
| | | 2 | | // The .NET Foundation licenses this file to you under the MIT license. |
| | | 3 | | |
| | | 4 | | using System; |
| | | 5 | | using CoreWCF.Runtime; |
| | | 6 | | |
| | | 7 | | namespace CoreWCF.Channels |
| | | 8 | | { |
| | | 9 | | public abstract class BufferManager |
| | | 10 | | { |
| | | 11 | | public abstract void ReturnBuffer(byte[] buffer); |
| | | 12 | | public abstract byte[] TakeBuffer(int bufferSize); |
| | | 13 | | public abstract void Clear(); |
| | | 14 | | |
| | | 15 | | public static BufferManager CreateBufferManager(long maxBufferPoolSize, int maxBufferSize) |
| | | 16 | | { |
| | 3710 | 17 | | if (maxBufferPoolSize < 0) |
| | | 18 | | { |
| | 0 | 19 | | throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ArgumentOutOfRangeException(nameof(maxBuff |
| | 0 | 20 | | maxBufferPoolSize, SRCommon.ValueMustBeNonNegative)); |
| | | 21 | | } |
| | | 22 | | |
| | 3710 | 23 | | if (maxBufferSize < 0) |
| | | 24 | | { |
| | 0 | 25 | | throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ArgumentOutOfRangeException(nameof(maxBuff |
| | 0 | 26 | | maxBufferSize, SRCommon.ValueMustBeNonNegative)); |
| | | 27 | | } |
| | | 28 | | |
| | 3710 | 29 | | return new WrappingBufferManager(InternalBufferManager.Create(maxBufferPoolSize, maxBufferSize)); |
| | | 30 | | } |
| | | 31 | | |
| | | 32 | | internal static InternalBufferManager GetInternalBufferManager(BufferManager bufferManager) |
| | | 33 | | { |
| | 3927 | 34 | | if (bufferManager is WrappingBufferManager) |
| | | 35 | | { |
| | 3749 | 36 | | return ((WrappingBufferManager)bufferManager).InternalBufferManager; |
| | | 37 | | } |
| | | 38 | | else |
| | | 39 | | { |
| | 178 | 40 | | return new WrappingInternalBufferManager(bufferManager); |
| | | 41 | | } |
| | | 42 | | } |
| | | 43 | | |
| | | 44 | | private class WrappingBufferManager : BufferManager |
| | | 45 | | { |
| | 3710 | 46 | | public WrappingBufferManager(InternalBufferManager innerBufferManager) |
| | | 47 | | { |
| | 3710 | 48 | | InternalBufferManager = innerBufferManager; |
| | 3710 | 49 | | } |
| | | 50 | | |
| | 6616 | 51 | | public InternalBufferManager InternalBufferManager { get; } |
| | | 52 | | |
| | | 53 | | public override byte[] TakeBuffer(int bufferSize) |
| | | 54 | | { |
| | 1169 | 55 | | if (bufferSize < 0) |
| | | 56 | | { |
| | 0 | 57 | | throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ArgumentOutOfRangeException(nameof(buf |
| | 0 | 58 | | SRCommon.ValueMustBeNonNegative)); |
| | | 59 | | } |
| | | 60 | | |
| | 1169 | 61 | | return InternalBufferManager.TakeBuffer(bufferSize); |
| | | 62 | | } |
| | | 63 | | |
| | | 64 | | public override void ReturnBuffer(byte[] buffer) |
| | | 65 | | { |
| | 1695 | 66 | | if (buffer == null) |
| | | 67 | | { |
| | 0 | 68 | | throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull(nameof(buffer)); |
| | | 69 | | } |
| | | 70 | | |
| | 1695 | 71 | | InternalBufferManager.ReturnBuffer(buffer); |
| | 1695 | 72 | | } |
| | | 73 | | |
| | | 74 | | public override void Clear() |
| | | 75 | | { |
| | 0 | 76 | | InternalBufferManager.Clear(); |
| | 0 | 77 | | } |
| | | 78 | | } |
| | | 79 | | |
| | | 80 | | private class WrappingInternalBufferManager : InternalBufferManager |
| | | 81 | | { |
| | | 82 | | private readonly BufferManager _innerBufferManager; |
| | | 83 | | |
| | 178 | 84 | | public WrappingInternalBufferManager(BufferManager innerBufferManager) |
| | | 85 | | { |
| | 178 | 86 | | _innerBufferManager = innerBufferManager; |
| | 178 | 87 | | } |
| | | 88 | | |
| | | 89 | | public override void Clear() |
| | | 90 | | { |
| | 0 | 91 | | _innerBufferManager.Clear(); |
| | 0 | 92 | | } |
| | | 93 | | |
| | | 94 | | public override void ReturnBuffer(byte[] buffer) |
| | | 95 | | { |
| | 396 | 96 | | _innerBufferManager.ReturnBuffer(buffer); |
| | 396 | 97 | | } |
| | | 98 | | |
| | | 99 | | public override byte[] TakeBuffer(int bufferSize) |
| | | 100 | | { |
| | 574 | 101 | | return _innerBufferManager.TakeBuffer(bufferSize); |
| | | 102 | | } |
| | | 103 | | } |
| | | 104 | | } |
| | | 105 | | } |