System.Net.Sockets.Socket.DoBeginReceiveFrom C# (CSharp) Method

        private void DoBeginReceiveFrom(byte[] buffer, int offset, int size, SocketFlags socketFlags, EndPoint endPointSnapshot, Internals.SocketAddress socketAddress, OriginalAddressOverlappedAsyncResult asyncResult)
        {
            EndPoint oldEndPoint = _rightEndPoint;

            if (NetEventSource.IsEnabled) NetEventSource.Info(this, $"size:{size}");

            // Guarantee to call CheckAsyncCallOverlappedResult if we call SetUnamangedStructures with a cache in order to
            // avoid a Socket leak in case of error.
            SocketError errorCode = SocketError.SocketError;
            try
            {
                // Save a copy of the original EndPoint in the asyncResult.
                asyncResult.SocketAddressOriginal = IPEndPointExtensions.Serialize(endPointSnapshot);

                if (_rightEndPoint == null)
                {
                    _rightEndPoint = endPointSnapshot;
                }

                errorCode = SocketPal.ReceiveFromAsync(_handle, buffer, offset, size, socketFlags, socketAddress, asyncResult);

                if (NetEventSource.IsEnabled) NetEventSource.Info(this, $"Interop.Winsock.WSARecvFrom returns:{errorCode} size:{size} returning AsyncResult:{asyncResult}");
            }
            catch (ObjectDisposedException)
            {
                _rightEndPoint = oldEndPoint;
                throw;
            }
            finally
            {
                errorCode = asyncResult.CheckAsyncCallOverlappedResult(errorCode);
            }

            // Throw an appropriate SocketException if the native call fails synchronously.
            if (errorCode != SocketError.Success)
            {
                // Update the internal state of this socket according to the error before throwing.
                _rightEndPoint = oldEndPoint;
                SocketException socketException = new SocketException((int)errorCode);
                UpdateStatusAfterSocketError(socketException);
                if (NetEventSource.IsEnabled) NetEventSource.Error(this, socketException);
                throw socketException;
            }

            if (NetEventSource.IsEnabled) NetEventSource.Info(this, $"size:{size} return AsyncResult:{asyncResult}");
        }