42 lines
1.3 KiB
C#
42 lines
1.3 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;
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using System.IO.Pipelines;
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using System.Net.Sockets;
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namespace Microsoft.AspNetCore.Server.Kestrel.Transport.Sockets.Internal
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{
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public class SocketReceiver
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{
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private readonly Socket _socket;
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private readonly SocketAsyncEventArgs _eventArgs = new SocketAsyncEventArgs();
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private readonly SocketAwaitable _awaitable;
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public SocketReceiver(Socket socket, PipeScheduler scheduler)
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{
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_socket = socket;
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_awaitable = new SocketAwaitable(scheduler);
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_eventArgs.UserToken = _awaitable;
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_eventArgs.Completed += (_, e) => ((SocketAwaitable)e.UserToken).Complete(e.BytesTransferred, e.SocketError);
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}
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public SocketAwaitable ReceiveAsync(Memory<byte> buffer)
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{
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#if NETCOREAPP2_1
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_eventArgs.SetBuffer(buffer);
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#else
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var segment = buffer.GetArray();
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_eventArgs.SetBuffer(segment.Array, segment.Offset, segment.Count);
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#endif
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if (!_socket.ReceiveAsync(_eventArgs))
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{
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_awaitable.Complete(_eventArgs.BytesTransferred, _eventArgs.SocketError);
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}
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return _awaitable;
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}
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}
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}
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