public override void Receive()
{
try
{
var state = new ControlState
{
CurrentSocket = ClientSocket,
Buffer = new byte[MaxBufferSize],
BufferSize = MaxBufferSize,
StreamBuffer = new MemoryStream()
};
var ep = new IPEndPoint(IPAddress.Any, 0) as EndPoint;
ClientSocket.BeginReceiveFrom(state.Buffer, 0, MaxBufferSize, 0, ref ep, OnReceiveFromCallback, state);
OnReportingStatus(StatusCode.Info, "Started receiving bytes via UDP socket");
}
catch (ObjectDisposedException)
{
}
catch (SocketException socketException)
{
OnCaughtException(socketException, EventCode.Receive);
}
catch (Exception e)
{
OnCaughtException(e, EventCode.Other);
}
}
/// <summary>
/// Делегат вызова принятия данных (калбэк)
/// </summary>
/// <param name="result"></param>
private void ReceiveCallback(IAsyncResult result)
{
try
{
if (ClientSocket != null && ClientSocket.Connected)
{
int read_size = ClientSocket.EndReceiveFrom(result, ref ServerEndPoint);
if (read_size > 0)
{
BufferBuilder.Append(Buffer, read_size);
if (ClientSocket.Available <= 0)
{
//Вызываем событие по окнчанию чтения данных от сокета
CallReceive(BufferBuilder.Data);
BufferBuilder.Clear();
}
ClientSocket.BeginReceiveFrom(
Buffer, 0,
Buffer.Length, SocketFlags.None, ref ServerEndPoint,
new AsyncCallback(ReceiveCallback),
null);
}
else
{
Disconnect();
}
}
else
{
Disconnect();
}
}
catch (SocketException ex)
{
CallErrorClient(ClientErrorType.ReceiveDataError, ex.Message);
Disconnect();
}
catch (Exception ex)
{
CallErrorClient(ClientErrorType.ReceiveDataError, ex.Message);
Disconnect();
}
}