36 lines
1.2 KiB
C#
36 lines
1.2 KiB
C#
// Copyright (c) .NET Foundation. All rights reserved.
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// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
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using System.Buffers;
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using System.Collections;
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namespace Microsoft.AspNetCore.Server.Kestrel.Core.Internal.Http2
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{
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public static class Http2FrameReader
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{
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public static bool ReadFrame(ReadOnlyBuffer<byte> readableBuffer, Http2Frame frame, out SequencePosition consumed, out SequencePosition examined)
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{
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consumed = readableBuffer.Start;
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examined = readableBuffer.End;
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if (readableBuffer.Length < Http2Frame.HeaderLength)
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{
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return false;
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}
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var headerSlice = readableBuffer.Slice(0, Http2Frame.HeaderLength);
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headerSlice.CopyTo(frame.Raw);
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if (readableBuffer.Length < Http2Frame.HeaderLength + frame.Length)
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{
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return false;
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}
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readableBuffer.Slice(Http2Frame.HeaderLength, frame.Length).CopyTo(frame.Payload);
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consumed = examined = readableBuffer.GetPosition(readableBuffer.Start, Http2Frame.HeaderLength + frame.Length);
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return true;
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}
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}
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}
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