/// <summary>
///
/// </summary>
/// <param name="buffer"></param>
/// <param name="cancellationToken"></param>
/// <returns>-1 if error.</returns>
public override async ValueTask <int> WriteAsync(ReadOnlyMemory <byte> buffer, CancellationToken cancellationToken = default)
{
if (_closed)
{
return(-1);
}
UpdateLastActive();
int written = -1;
try
{
using (var arr = RecyclableByteArray.Rent(buffer.Length))
{
buffer.CopyTo(arr.Array);
written = await _sock.SendToAsync(new ArraySegment <byte>(arr.Array), SocketFlags.None, _locker.Number);//TODO waiting for a overload.
}
}
catch (SocketException ex)
{
_logger?.LogError($"UdpClient2 SendToAsync error {ex.SocketErrorCode}, {ex.Message}.");
return(-1);
}
catch (Exception ex)
{
_logger?.LogError($"UdpClient2 SendToAsync error {ex.Message}.");
return(-1);
}
return(written);
}
public void TestArrayPool()
{
byte[] arr1 = new byte[16];
System.Security.Cryptography.RandomNumberGenerator.Fill(arr1);
Trace.TraceInformation(BitConverter.ToString(arr1).Replace("-", ""));
var ra1 = RecyclableByteArray.Rent(16);
arr1.AsSpan().CopyTo(ra1.Array.AsSpan());
Trace.TraceInformation(BitConverter.ToString(ra1.Array).Replace("-", ""));
ra1.Dispose();
var ra2 = RecyclableByteArray.Rent(10);
Trace.TraceInformation(BitConverter.ToString(ra2.Array).Replace("-", ""));
Assert.IsTrue(ra2.Array.Length == 16);
Assert.IsTrue(ra2.Array.AsSpan().SequenceEqual(arr1.AsSpan()));
}
