/// <summary>
/// Initializes a new instance of the <see cref="ProxyStream" /> class.
/// </summary>
/// <param name="underlyingStream">The underlying stream.</param>
/// <param name="disposeUnderlyingStream">A value indicating whether to dispose the underlying stream.</param>
/// <param name="options">The proxy stream options.</param>
/// <param name="bufferSize">Size of the buffer.</param>
/// <exception cref="System.ArgumentOutOfRangeException">The buffer size is less than 1.</exception>
/// <exception cref="System.ArgumentNullException">The stream is null.</exception>
/// <exception cref="System.NotSupportedException">The stream does not support reading and writing.</exception>
public ProxyStream(Stream underlyingStream, Boolean disposeUnderlyingStream, ProxyStreamOptions options, Int32 bufferSize)
{
if (underlyingStream == null)
{
throw new ArgumentNullException("stream", "The stream is null.");
}
if (!underlyingStream.CanRead && !underlyingStream.CanWrite)
{
throw new NotSupportedException("The stream does not support reading and writing.");
}
if (bufferSize < 1)
{
throw new ArgumentOutOfRangeException("bufferSize", "The buffer size is less than 1.");
}
_baseStream = underlyingStream;
_isSingleAccess = options.HasFlag(ProxyStreamOptions.SingleAccess);
_isProxyModeForced = options.HasFlag(ProxyStreamOptions.ForceProxy);
_bufferSize = bufferSize;
if (_baseStream.CanWrite && !_baseStream.CanRead)
{
InitializeStream(StreamAccessType.Writable);
}
else if (!_baseStream.CanWrite && _baseStream.CanRead)
{
InitializeStream(StreamAccessType.Readable);
}
_disposed = false;
_disposeBaseStream = disposeUnderlyingStream;
EmptyBuffer = new Byte[_bufferSize];
}
/// <summary>
/// Initializes a new instance of the <see cref="ProxyStream" /> class.
/// </summary>
/// <param name="underlyingStream">The underlying stream.</param>
/// <param name="disposeUnderlyingStream">A value indicating whether to dispose the underlying stream.</param>
/// <param name="options">The proxy stream options.</param>
/// <exception cref="System.ArgumentNullException">The stream is null.</exception>
/// <exception cref="System.NotSupportedException">The stream does not support reading and writing.</exception>
public ProxyStream(Stream stream, Boolean disposeStream, ProxyStreamOptions options)
: this(stream, disposeStream, options, DefaultBufferSize)
{
}
/// <summary>
/// Initializes a new instance of the <see cref="ProxyStream" /> class.
/// </summary>
/// <param name="underlyingStream">The underlying stream.</param>
/// <param name="options">The proxy stream options.</param>
/// <exception cref="System.ArgumentNullException">The stream is null.</exception>
/// <exception cref="System.NotSupportedException">The stream does not support reading and writing.</exception>
public ProxyStream(Stream stream, ProxyStreamOptions options)
: this(stream, false, options, DefaultBufferSize)
{
}
