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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
using System.IO;
using System.Net.Sockets;
using System.Threading;
using System.Threading.Tasks;
namespace System.Net
{
internal class NetworkStreamWrapper : Stream
{
private NetworkStream _networkStream;
internal NetworkStreamWrapper(NetworkStream stream)
{
_networkStream = stream;
}
protected bool UsingSecureStream
{
get
{
return (_networkStream is TlsStream);
}
}
internal IPAddress ServerAddress
{
get
{
return ((IPEndPoint)Socket.RemoteEndPoint!).Address;
}
}
internal Socket Socket
{
get
{
return _networkStream.Socket;
}
}
internal NetworkStream NetworkStream
{
get
{
return _networkStream;
}
set
{
_networkStream = value;
}
}
public override bool CanRead
{
get
{
return _networkStream.CanRead;
}
}
public override bool CanSeek
{
get
{
return _networkStream.CanSeek;
}
}
public override bool CanWrite
{
get
{
return _networkStream.CanWrite;
}
}
public override bool CanTimeout
{
get
{
return _networkStream.CanTimeout;
}
}
public override int ReadTimeout
{
get
{
return _networkStream.ReadTimeout;
}
set
{
_networkStream.ReadTimeout = value;
}
}
public override int WriteTimeout
{
get
{
return _networkStream.WriteTimeout;
}
set
{
_networkStream.WriteTimeout = value;
}
}
public override long Length
{
get
{
return _networkStream.Length;
}
}
public override long Position
{
get
{
return _networkStream.Position;
}
set
{
_networkStream.Position = value;
}
}
public override long Seek(long offset, SeekOrigin origin)
{
return _networkStream.Seek(offset, origin);
}
public override int Read(byte[] buffer, int offset, int size)
{
return _networkStream.Read(buffer, offset, size);
}
public override void Write(byte[] buffer, int offset, int size)
{
_networkStream.Write(buffer, offset, size);
}
protected override void Dispose(bool disposing)
{
try
{
if (disposing)
{
// no timeout so that socket will close gracefully
CloseSocket();
}
}
finally
{
base.Dispose(disposing);
}
}
internal void CloseSocket()
{
_networkStream.Close();
}
public void Close(int timeout)
{
_networkStream.Close(timeout);
}
public override IAsyncResult BeginRead(byte[] buffer, int offset, int size, AsyncCallback? callback, object? state)
{
return _networkStream.BeginRead(buffer, offset, size, callback, state);
}
public override int EndRead(IAsyncResult asyncResult)
{
return _networkStream.EndRead(asyncResult);
}
public override Task<int> ReadAsync(byte[] buffer, int offset, int count, CancellationToken cancellationToken)
{
return _networkStream.ReadAsync(buffer, offset, count, cancellationToken);
}
public override ValueTask<int> ReadAsync(Memory<byte> buffer, CancellationToken cancellationToken = default)
{
return _networkStream.ReadAsync(buffer, cancellationToken);
}
public override IAsyncResult BeginWrite(byte[] buffer, int offset, int size, AsyncCallback? callback, object? state)
{
return _networkStream.BeginWrite(buffer, offset, size, callback, state);
}
public override void EndWrite(IAsyncResult asyncResult)
{
_networkStream.EndWrite(asyncResult);
}
public override Task WriteAsync(byte[] buffer, int offset, int count, CancellationToken cancellationToken)
{
return _networkStream.WriteAsync(buffer, offset, count, cancellationToken);
}
public override ValueTask WriteAsync(ReadOnlyMemory<byte> buffer, CancellationToken cancellationToken = default)
{
return _networkStream.WriteAsync(buffer, cancellationToken);
}
public override void Flush()
{
_networkStream.Flush();
}
public override Task FlushAsync(CancellationToken cancellationToken)
{
return _networkStream.FlushAsync(cancellationToken);
}
public override void SetLength(long value)
{
_networkStream.SetLength(value);
}
internal void SetSocketTimeoutOption(int timeout)
{
_networkStream.ReadTimeout = timeout;
_networkStream.WriteTimeout = timeout;
}
}
} // System.Net
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