Optimize calls into StreamSocketOuput to WriteFast further (#1538)
* Optimize calls into StreamSocketOuput to WriteFast further - Added overloads to array, offset, length to avoid implicit conversions to ReadOnlySpan. - Use similar optimizations for multi buffer writes for strings and ints - Use ref locals in multi write instead of pointers and pinning
This commit is contained in:
David Fowler
GitHub
parent
751a0e2e7e
commit
c65734667a
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@ -118,8 +118,7 @@ namespace Microsoft.AspNetCore.Server.Kestrel.Adapter.Internal
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{
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await _outputStream.FlushAsync();
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}
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if (buffer.IsSingleSpan)
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else if (buffer.IsSingleSpan)
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{
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var array = buffer.First.GetArray();
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await _outputStream.WriteAsync(array.Array, array.Offset, array.Count);
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@ -135,7 +134,7 @@ namespace Microsoft.AspNetCore.Server.Kestrel.Adapter.Internal
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}
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finally
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{
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_pipe.Reader.Advance(readResult.Buffer.End);
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_pipe.Reader.Advance(buffer.End);
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}
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}
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}
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@ -7771,7 +7771,7 @@ namespace Microsoft.AspNetCore.Server.Kestrel.Internal.Http
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var value = _headers._Connection[i];
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if (value != null)
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{
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output.WriteFast(new Span<byte>(_headerBytes, 17, 14));
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output.WriteFast(_headerBytes, 17, 14);
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output.WriteAscii(value);
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}
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}
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@ -7797,7 +7797,7 @@ namespace Microsoft.AspNetCore.Server.Kestrel.Internal.Http
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var value = _headers._Date[i];
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if (value != null)
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{
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output.WriteFast(new Span<byte>(_headerBytes, 31, 8));
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output.WriteFast(_headerBytes, 31, 8);
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output.WriteAscii(value);
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}
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}
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@ -7818,7 +7818,7 @@ namespace Microsoft.AspNetCore.Server.Kestrel.Internal.Http
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var value = _headers._ContentType[i];
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if (value != null)
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{
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output.WriteFast(new Span<byte>(_headerBytes, 133, 16));
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output.WriteFast(_headerBytes, 133, 16);
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output.WriteAscii(value);
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}
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}
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@ -7844,7 +7844,7 @@ namespace Microsoft.AspNetCore.Server.Kestrel.Internal.Http
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var value = _headers._Server[i];
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if (value != null)
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{
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output.WriteFast(new Span<byte>(_headerBytes, 350, 10));
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output.WriteFast(_headerBytes, 350, 10);
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output.WriteAscii(value);
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}
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}
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@ -7858,7 +7858,7 @@ namespace Microsoft.AspNetCore.Server.Kestrel.Internal.Http
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}
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if ((tempBits & -9223372036854775808L) != 0)
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{
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output.WriteFast(new Span<byte>(_headerBytes, 592, 18));
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output.WriteFast(_headerBytes, 592, 18);
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output.WriteNumeric((ulong)ContentLength.Value);
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if((tempBits & ~-9223372036854775808L) == 0)
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@ -7876,7 +7876,7 @@ namespace Microsoft.AspNetCore.Server.Kestrel.Internal.Http
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var value = _headers._CacheControl[i];
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if (value != null)
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{
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output.WriteFast(new Span<byte>(_headerBytes, 0, 17));
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output.WriteFast(_headerBytes, 0, 17);
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output.WriteAscii(value);
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}
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}
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@ -7897,7 +7897,7 @@ namespace Microsoft.AspNetCore.Server.Kestrel.Internal.Http
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var value = _headers._KeepAlive[i];
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if (value != null)
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{
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output.WriteFast(new Span<byte>(_headerBytes, 39, 14));
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output.WriteFast(_headerBytes, 39, 14);
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output.WriteAscii(value);
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}
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}
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@ -7918,7 +7918,7 @@ namespace Microsoft.AspNetCore.Server.Kestrel.Internal.Http
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var value = _headers._Pragma[i];
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if (value != null)
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{
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output.WriteFast(new Span<byte>(_headerBytes, 53, 10));
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output.WriteFast(_headerBytes, 53, 10);
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output.WriteAscii(value);
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}
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}
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@ -7939,7 +7939,7 @@ namespace Microsoft.AspNetCore.Server.Kestrel.Internal.Http
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var value = _headers._Trailer[i];
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if (value != null)
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{
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output.WriteFast(new Span<byte>(_headerBytes, 63, 11));
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output.WriteFast(_headerBytes, 63, 11);
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output.WriteAscii(value);
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}
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}
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@ -7965,7 +7965,7 @@ namespace Microsoft.AspNetCore.Server.Kestrel.Internal.Http
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var value = _headers._TransferEncoding[i];
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if (value != null)
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{
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output.WriteFast(new Span<byte>(_headerBytes, 74, 21));
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output.WriteFast(_headerBytes, 74, 21);
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output.WriteAscii(value);
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}
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}
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@ -7986,7 +7986,7 @@ namespace Microsoft.AspNetCore.Server.Kestrel.Internal.Http
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var value = _headers._Upgrade[i];
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if (value != null)
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{
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output.WriteFast(new Span<byte>(_headerBytes, 95, 11));
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output.WriteFast(_headerBytes, 95, 11);
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output.WriteAscii(value);
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}
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}
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@ -8007,7 +8007,7 @@ namespace Microsoft.AspNetCore.Server.Kestrel.Internal.Http
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var value = _headers._Via[i];
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if (value != null)
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{
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output.WriteFast(new Span<byte>(_headerBytes, 106, 7));
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output.WriteFast(_headerBytes, 106, 7);
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output.WriteAscii(value);
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}
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}
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@ -8028,7 +8028,7 @@ namespace Microsoft.AspNetCore.Server.Kestrel.Internal.Http
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var value = _headers._Warning[i];
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if (value != null)
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{
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output.WriteFast(new Span<byte>(_headerBytes, 113, 11));
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output.WriteFast(_headerBytes, 113, 11);
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output.WriteAscii(value);
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}
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}
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@ -8049,7 +8049,7 @@ namespace Microsoft.AspNetCore.Server.Kestrel.Internal.Http
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var value = _headers._Allow[i];
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if (value != null)
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{
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output.WriteFast(new Span<byte>(_headerBytes, 124, 9));
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output.WriteFast(_headerBytes, 124, 9);
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output.WriteAscii(value);
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}
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}
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@ -8070,7 +8070,7 @@ namespace Microsoft.AspNetCore.Server.Kestrel.Internal.Http
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var value = _headers._ContentEncoding[i];
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if (value != null)
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{
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output.WriteFast(new Span<byte>(_headerBytes, 149, 20));
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output.WriteFast(_headerBytes, 149, 20);
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output.WriteAscii(value);
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}
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}
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@ -8091,7 +8091,7 @@ namespace Microsoft.AspNetCore.Server.Kestrel.Internal.Http
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var value = _headers._ContentLanguage[i];
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if (value != null)
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{
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output.WriteFast(new Span<byte>(_headerBytes, 169, 20));
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output.WriteFast(_headerBytes, 169, 20);
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output.WriteAscii(value);
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}
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}
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@ -8112,7 +8112,7 @@ namespace Microsoft.AspNetCore.Server.Kestrel.Internal.Http
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var value = _headers._ContentLocation[i];
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if (value != null)
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{
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output.WriteFast(new Span<byte>(_headerBytes, 189, 20));
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output.WriteFast(_headerBytes, 189, 20);
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output.WriteAscii(value);
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}
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}
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@ -8133,7 +8133,7 @@ namespace Microsoft.AspNetCore.Server.Kestrel.Internal.Http
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var value = _headers._ContentMD5[i];
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if (value != null)
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{
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output.WriteFast(new Span<byte>(_headerBytes, 209, 15));
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output.WriteFast(_headerBytes, 209, 15);
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output.WriteAscii(value);
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}
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}
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@ -8154,7 +8154,7 @@ namespace Microsoft.AspNetCore.Server.Kestrel.Internal.Http
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var value = _headers._ContentRange[i];
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if (value != null)
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{
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output.WriteFast(new Span<byte>(_headerBytes, 224, 17));
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output.WriteFast(_headerBytes, 224, 17);
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output.WriteAscii(value);
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}
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}
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@ -8175,7 +8175,7 @@ namespace Microsoft.AspNetCore.Server.Kestrel.Internal.Http
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var value = _headers._Expires[i];
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if (value != null)
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{
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output.WriteFast(new Span<byte>(_headerBytes, 241, 11));
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output.WriteFast(_headerBytes, 241, 11);
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output.WriteAscii(value);
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}
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}
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@ -8196,7 +8196,7 @@ namespace Microsoft.AspNetCore.Server.Kestrel.Internal.Http
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var value = _headers._LastModified[i];
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if (value != null)
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{
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output.WriteFast(new Span<byte>(_headerBytes, 252, 17));
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output.WriteFast(_headerBytes, 252, 17);
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output.WriteAscii(value);
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}
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}
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@ -8217,7 +8217,7 @@ namespace Microsoft.AspNetCore.Server.Kestrel.Internal.Http
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var value = _headers._AcceptRanges[i];
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if (value != null)
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{
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output.WriteFast(new Span<byte>(_headerBytes, 269, 17));
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output.WriteFast(_headerBytes, 269, 17);
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output.WriteAscii(value);
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}
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}
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@ -8238,7 +8238,7 @@ namespace Microsoft.AspNetCore.Server.Kestrel.Internal.Http
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var value = _headers._Age[i];
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if (value != null)
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{
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output.WriteFast(new Span<byte>(_headerBytes, 286, 7));
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output.WriteFast(_headerBytes, 286, 7);
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output.WriteAscii(value);
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}
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}
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@ -8259,7 +8259,7 @@ namespace Microsoft.AspNetCore.Server.Kestrel.Internal.Http
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var value = _headers._ETag[i];
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if (value != null)
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{
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output.WriteFast(new Span<byte>(_headerBytes, 293, 8));
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output.WriteFast(_headerBytes, 293, 8);
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output.WriteAscii(value);
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}
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}
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@ -8280,7 +8280,7 @@ namespace Microsoft.AspNetCore.Server.Kestrel.Internal.Http
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var value = _headers._Location[i];
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if (value != null)
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{
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output.WriteFast(new Span<byte>(_headerBytes, 301, 12));
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output.WriteFast(_headerBytes, 301, 12);
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output.WriteAscii(value);
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}
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}
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@ -8301,7 +8301,7 @@ namespace Microsoft.AspNetCore.Server.Kestrel.Internal.Http
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var value = _headers._ProxyAuthenticate[i];
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if (value != null)
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{
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output.WriteFast(new Span<byte>(_headerBytes, 313, 22));
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output.WriteFast(_headerBytes, 313, 22);
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output.WriteAscii(value);
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}
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}
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@ -8322,7 +8322,7 @@ namespace Microsoft.AspNetCore.Server.Kestrel.Internal.Http
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var value = _headers._RetryAfter[i];
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if (value != null)
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{
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output.WriteFast(new Span<byte>(_headerBytes, 335, 15));
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output.WriteFast(_headerBytes, 335, 15);
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output.WriteAscii(value);
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}
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}
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@ -8343,7 +8343,7 @@ namespace Microsoft.AspNetCore.Server.Kestrel.Internal.Http
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var value = _headers._SetCookie[i];
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if (value != null)
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{
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output.WriteFast(new Span<byte>(_headerBytes, 360, 14));
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output.WriteFast(_headerBytes, 360, 14);
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output.WriteAscii(value);
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}
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}
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@ -8364,7 +8364,7 @@ namespace Microsoft.AspNetCore.Server.Kestrel.Internal.Http
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var value = _headers._Vary[i];
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if (value != null)
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{
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output.WriteFast(new Span<byte>(_headerBytes, 374, 8));
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output.WriteFast(_headerBytes, 374, 8);
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output.WriteAscii(value);
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}
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}
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@ -8385,7 +8385,7 @@ namespace Microsoft.AspNetCore.Server.Kestrel.Internal.Http
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var value = _headers._WWWAuthenticate[i];
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if (value != null)
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{
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output.WriteFast(new Span<byte>(_headerBytes, 382, 20));
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output.WriteFast(_headerBytes, 382, 20);
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output.WriteAscii(value);
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}
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}
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@ -8406,7 +8406,7 @@ namespace Microsoft.AspNetCore.Server.Kestrel.Internal.Http
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var value = _headers._AccessControlAllowCredentials[i];
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if (value != null)
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{
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output.WriteFast(new Span<byte>(_headerBytes, 402, 36));
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output.WriteFast(_headerBytes, 402, 36);
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output.WriteAscii(value);
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}
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}
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@ -8427,7 +8427,7 @@ namespace Microsoft.AspNetCore.Server.Kestrel.Internal.Http
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var value = _headers._AccessControlAllowHeaders[i];
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if (value != null)
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{
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output.WriteFast(new Span<byte>(_headerBytes, 438, 32));
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output.WriteFast(_headerBytes, 438, 32);
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output.WriteAscii(value);
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}
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}
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@ -8448,7 +8448,7 @@ namespace Microsoft.AspNetCore.Server.Kestrel.Internal.Http
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var value = _headers._AccessControlAllowMethods[i];
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if (value != null)
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{
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output.WriteFast(new Span<byte>(_headerBytes, 470, 32));
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output.WriteFast(_headerBytes, 470, 32);
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output.WriteAscii(value);
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}
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}
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@ -8469,7 +8469,7 @@ namespace Microsoft.AspNetCore.Server.Kestrel.Internal.Http
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var value = _headers._AccessControlAllowOrigin[i];
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if (value != null)
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{
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output.WriteFast(new Span<byte>(_headerBytes, 502, 31));
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output.WriteFast(_headerBytes, 502, 31);
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output.WriteAscii(value);
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}
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}
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@ -8490,7 +8490,7 @@ namespace Microsoft.AspNetCore.Server.Kestrel.Internal.Http
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var value = _headers._AccessControlExposeHeaders[i];
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if (value != null)
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{
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output.WriteFast(new Span<byte>(_headerBytes, 533, 33));
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output.WriteFast(_headerBytes, 533, 33);
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output.WriteAscii(value);
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}
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}
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@ -8511,7 +8511,7 @@ namespace Microsoft.AspNetCore.Server.Kestrel.Internal.Http
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var value = _headers._AccessControlMaxAge[i];
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if (value != null)
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{
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output.WriteFast(new Span<byte>(_headerBytes, 566, 26));
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output.WriteFast(_headerBytes, 566, 26);
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output.WriteAscii(value);
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}
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}
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@ -94,7 +94,17 @@ namespace Microsoft.AspNetCore.Server.Kestrel.Internal.Http
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}
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// Temporary until the fast write implementation propagates from corefx
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public unsafe static void WriteFast(this WritableBuffer buffer, ReadOnlySpan<byte> source)
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public unsafe static void WriteFast(this WritableBuffer buffer, byte[] source)
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{
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buffer.WriteFast(source, 0, source.Length);
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}
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public unsafe static void WriteFast(this WritableBuffer buffer, ArraySegment<byte> source)
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{
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buffer.WriteFast(source.Array, source.Offset, source.Count);
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}
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public unsafe static void WriteFast(this WritableBuffer buffer, byte[] source, int offset, int length)
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{
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var dest = buffer.Buffer.Span;
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var destLength = dest.Length;
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@ -108,74 +118,79 @@ namespace Microsoft.AspNetCore.Server.Kestrel.Internal.Http
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destLength = dest.Length;
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}
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var sourceLength = source.Length;
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var sourceLength = length;
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if (sourceLength <= destLength)
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{
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ref byte pSource = ref source.DangerousGetPinnableReference();
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ref byte pSource = ref source[offset];
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ref byte pDest = ref dest.DangerousGetPinnableReference();
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Unsafe.CopyBlockUnaligned(ref pDest, ref pSource, (uint)sourceLength);
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buffer.Advance(sourceLength);
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return;
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}
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buffer.WriteMultiBuffer(source);
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buffer.WriteMultiBuffer(source, offset, length);
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}
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private static unsafe void WriteMultiBuffer(this WritableBuffer buffer, ReadOnlySpan<byte> source)
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private static unsafe void WriteMultiBuffer(this WritableBuffer buffer, byte[] source, int offset, int length)
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{
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var remaining = source.Length;
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var offset = 0;
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var remaining = length;
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fixed (byte* pSource = &source.DangerousGetPinnableReference())
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while (remaining > 0)
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{
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while (remaining > 0)
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var writable = Math.Min(remaining, buffer.Buffer.Length);
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buffer.Ensure(writable);
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if (writable == 0)
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{
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var writable = Math.Min(remaining, buffer.Buffer.Length);
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buffer.Ensure(writable);
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if (writable == 0)
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{
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continue;
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}
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fixed (byte* pDest = &buffer.Buffer.Span.DangerousGetPinnableReference())
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{
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Unsafe.CopyBlockUnaligned(pDest, pSource + offset, (uint)writable);
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}
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remaining -= writable;
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offset += writable;
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buffer.Advance(writable);
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continue;
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}
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ref byte pSource = ref source[offset];
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ref byte pDest = ref buffer.Buffer.Span.DangerousGetPinnableReference();
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Unsafe.CopyBlockUnaligned(ref pDest, ref pSource, (uint)writable);
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remaining -= writable;
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offset += writable;
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buffer.Advance(writable);
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}
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||||
}
|
||||
|
||||
public unsafe static void WriteAscii(this WritableBuffer buffer, string data)
|
||||
{
|
||||
if (!string.IsNullOrEmpty(data))
|
||||
if (string.IsNullOrEmpty(data))
|
||||
{
|
||||
if (buffer.Buffer.IsEmpty)
|
||||
return;
|
||||
}
|
||||
|
||||
var dest = buffer.Buffer.Span;
|
||||
var destLength = dest.Length;
|
||||
var sourceLength = data.Length;
|
||||
|
||||
if (destLength == 0)
|
||||
{
|
||||
buffer.Ensure();
|
||||
|
||||
dest = buffer.Buffer.Span;
|
||||
destLength = dest.Length;
|
||||
}
|
||||
|
||||
// Fast path, try copying to the available memory directly
|
||||
if (sourceLength <= destLength)
|
||||
{
|
||||
fixed (char* input = data)
|
||||
fixed (byte* output = &dest.DangerousGetPinnableReference())
|
||||
{
|
||||
buffer.Ensure();
|
||||
EncodeAsciiCharsToBytes(input, output, sourceLength);
|
||||
}
|
||||
|
||||
// Fast path, try copying to the available memory directly
|
||||
if (data.Length <= buffer.Buffer.Length)
|
||||
{
|
||||
fixed (char* input = data)
|
||||
fixed (byte* output = &buffer.Buffer.Span.DangerousGetPinnableReference())
|
||||
{
|
||||
EncodeAsciiCharsToBytes(input, output, data.Length);
|
||||
}
|
||||
|
||||
buffer.Advance(data.Length);
|
||||
}
|
||||
else
|
||||
{
|
||||
buffer.WriteAsciiMultiWrite(data);
|
||||
}
|
||||
buffer.Advance(sourceLength);
|
||||
}
|
||||
else
|
||||
{
|
||||
buffer.WriteAsciiMultiWrite(data);
|
||||
}
|
||||
}
|
||||
|
||||
|
|
@ -184,15 +199,20 @@ namespace Microsoft.AspNetCore.Server.Kestrel.Internal.Http
|
|||
{
|
||||
const byte AsciiDigitStart = (byte)'0';
|
||||
|
||||
if (buffer.Buffer.IsEmpty)
|
||||
var span = buffer.Buffer.Span;
|
||||
var bytesLeftInBlock = span.Length;
|
||||
|
||||
if (bytesLeftInBlock == 0)
|
||||
{
|
||||
buffer.Ensure();
|
||||
|
||||
span = buffer.Buffer.Span;
|
||||
bytesLeftInBlock = span.Length;
|
||||
}
|
||||
|
||||
// Fast path, try copying to the available memory directly
|
||||
var bytesLeftInBlock = buffer.Buffer.Length;
|
||||
var simpleWrite = true;
|
||||
fixed (byte* output = &buffer.Buffer.Span.DangerousGetPinnableReference())
|
||||
fixed (byte* output = &span.DangerousGetPinnableReference())
|
||||
{
|
||||
var start = output;
|
||||
if (number < 10 && bytesLeftInBlock >= 1)
|
||||
|
|
@ -250,7 +270,7 @@ namespace Microsoft.AspNetCore.Server.Kestrel.Internal.Http
|
|||
while (value != 0);
|
||||
|
||||
var length = _maxULongByteLength - position;
|
||||
buffer.WriteFast(new ReadOnlySpan<byte>(byteBuffer, position, length));
|
||||
buffer.WriteFast(new ArraySegment<byte>(byteBuffer, position, length));
|
||||
}
|
||||
|
||||
[MethodImpl(MethodImplOptions.NoInlining)]
|
||||
|
|
|
|||
|
|
@ -540,7 +540,7 @@ namespace Microsoft.AspNetCore.Server.Kestrel.Internal.Http
|
|||
var value = _headers._{header.Identifier}[i];
|
||||
if (value != null)
|
||||
{{
|
||||
output.WriteFast(new Span<byte>(_headerBytes, {header.BytesOffset}, {header.BytesCount}));
|
||||
output.WriteFast(_headerBytes, {header.BytesOffset}, {header.BytesCount});
|
||||
output.WriteAscii(value);
|
||||
}}
|
||||
}}
|
||||
|
|
@ -554,7 +554,7 @@ namespace Microsoft.AspNetCore.Server.Kestrel.Internal.Http
|
|||
}}{(header.Identifier == "Server" ? $@"
|
||||
if ((tempBits & {1L << 63}L) != 0)
|
||||
{{
|
||||
output.WriteFast(new Span<byte>(_headerBytes, {loop.Headers.First(x => x.Identifier == "ContentLength").BytesOffset}, {loop.Headers.First(x => x.Identifier == "ContentLength").BytesCount}));
|
||||
output.WriteFast(_headerBytes, {loop.Headers.First(x => x.Identifier == "ContentLength").BytesOffset}, {loop.Headers.First(x => x.Identifier == "ContentLength").BytesCount});
|
||||
output.WriteNumeric((ulong)ContentLength.Value);
|
||||
|
||||
if((tempBits & ~{1L << 63}L) == 0)
|
||||
|
|
|
|||
Loading…
Reference in New Issue