/// <summary>
/// Begins an asynchronous read operation. (Consider using AsyncStream.ReadAsync(System.Byte[],System.Int32,System.Int32,System.Threading.CancellationToken)
/// instead.)
/// </summary>
/// <param name="buffer">The buffer to read data into.</param>
/// <param name="offset">The byte offset in array at which to begin reading.</param>
/// <param name="count">The maximum number of bytes to read.</param>
/// <param name="callback">The method to be called when the asynchronous read operation is completed.</param>
/// <param name="state">A user-provided object that distinguishes this particular asynchronous read request
/// from other requests.</param>
/// <returns>An object that references the asynchronous read.</returns>
/// <exception cref="System.ArgumentNullException">
/// buffer is null.
/// </exception>
/// <exception cref="System.ArgumentException">
/// offset and count describe an invalid range in array.
/// </exception>
/// <exception cref="System.NotSupportedException">
/// FollowingFileStream.CanRead for this stream is false.
/// </exception>
/// <exception cref="System.InvalidOperationException">
/// The stream is currently in use by a previous read operation.
/// </exception>
/// <exception cref="System.ArgumentOutOfRangeException">
/// offset or count is negative.
/// </exception>
/// <exception cref="System.IO.IOException">
/// An asynchronous read was attempted past the end of the file.
/// </exception>
public sealed override IAsyncResult BeginRead(byte[] buffer, int offset, int count, AsyncCallback callback, object state)
{
return(ApmAsyncFactory.ToBegin(
this.ReadAsync(buffer, offset, count, CancellationToken.None),
callback,
state));
}
public override bool EndInvokeAction(IAsyncResult asyncResult)
{
return(ApmAsyncFactory.ToEnd <bool>(asyncResult));
}
public override IAsyncResult BeginInvokeAction(ControllerContext controllerContext, string actionName, AsyncCallback callback, object state)
{
var task = InvokeActionAsync(controllerContext, actionName);
return(ApmAsyncFactory.ToBegin(task, callback, state));
}
/// <summary>
/// Waits for the pending asynchronous write operation to complete. (Consider using
/// AsyncStream.WriteAsync(System.Byte[],System.Int32,System.Int32,System.Threading.CancellationToken)
/// instead.)
/// </summary>
/// <param name="asyncResult">The reference to the pending asynchronous request to wait for.</param>
/// <exception cref="System.ArgumentNullException">
/// asyncResult is null.
/// </exception>
/// <exception cref="System.ArgumentException">
/// This System.IAsyncResult object was not created by calling AsyncStream.BeginWrite(System.Byte[],System.Int32,System.Int32,System.AsyncCallback,System.Object)
/// on this class.
/// </exception>
/// <exception cref="System.InvalidOperationException">
/// AsyncStream.EndWrite(System.IAsyncResult) is called multiple times.
/// </exception>
/// <exception cref="System.IO.IOException">
/// The stream is closed or an internal error has occurred.
/// </exception>
public sealed override void EndWrite(IAsyncResult asyncResult)
{
ApmAsyncFactory.ToEnd(asyncResult);
}
/// <summary>
/// Waits for the pending asynchronous read operation to complete. (Consider using
/// AsyncStream.ReadAsync(System.Byte[],System.Int32,System.Int32,System.Threading.CancellationToken)
/// instead.)
/// </summary>
/// <param name="asyncResult">The reference to the pending asynchronous request to wait for.</param>
/// <returns>
/// The number of bytes read from the stream, between 0 and the number of bytes you
/// requested. Streams only return 0 at the end of the stream, otherwise, they should
/// block until at least 1 byte is available.
/// </returns>
/// <exception cref="System.ArgumentNullException">
/// asyncResult is null.
/// </exception>
/// <exception cref="System.ArgumentException">
/// This System.IAsyncResult object was not created by calling AsyncStream.BeginRead(System.Byte[],System.Int32,System.Int32,System.AsyncCallback,System.Object)
/// on this class.
/// </exception>
/// <exception cref="System.InvalidOperationException">
/// AsyncStream.EndRead(System.IAsyncResult) is called multiple times.
/// </exception>
/// <exception cref="System.IO.IOException">
/// The stream is closed or an internal error has occurred.
/// </exception>
public sealed override int EndRead(IAsyncResult asyncResult)
{
return(ApmAsyncFactory.ToEnd <int>(asyncResult));
}