private void ReceiveCallBack(IAsyncResult asyncResult)
{
UdpStateObject asyncState = asyncResult.AsyncState as UdpStateObject;
try
{
int count = asyncState._socket.EndReceiveFrom(asyncResult, ref asyncState._endPoint);
if (count > 0)
{
byte[] dst = new byte[count];
Buffer.BlockCopy(base._buffer, 0, dst, 0, count);
this.HandleReceived(dst, asyncState._endPoint);
this.ReceiveNext();
}
else
{
Logger.LogWarn("Read from network result in {0}", new object[] { count });
this.OnNetworkError(new NetworkException("cannot read from network."));
}
}
catch (SocketException exception)
{
this.OnReceiveFailed(exception);
}
}
private void SendCallBack(IAsyncResult asyncResult)
{
UdpStateObject asyncState = asyncResult.AsyncState as UdpStateObject;
try
{
asyncState._socket.EndSendTo(asyncResult);
}
catch (SocketException exception)
{
base.DelayError(exception);
}
}
protected void SendTo(ByteArray byteArray, System.Net.EndPoint endPoint)
{
UdpStateObject state = new UdpStateObject(base._socket, endPoint, null);
try
{
if (base._sync)
{
IAsyncResult asyncResult = base._socket.BeginSendTo(byteArray.Buffer, 0, byteArray.Length, SocketFlags.None, endPoint, null, state);
base.AddAsyncBlock(asyncResult, base._socket, 4);
}
else
{
base._socket.BeginSendTo(byteArray.Buffer, 0, byteArray.Length, SocketFlags.None, endPoint, new AsyncCallback(this.SendCallBack), state);
}
}
catch (SocketException exception)
{
Logger.LogError("Error in send : {0}", new object[] { exception.Message });
}
}
protected void ReceiveNext()
{
System.Net.EndPoint endPoint = new IPEndPoint(IPAddress.Any, 0);
UdpStateObject state = new UdpStateObject(base._socket, endPoint);
try
{
if (base._sync)
{
IAsyncResult asyncResult = base._socket.BeginReceiveFrom(base._buffer, 0, base._buffer.Length, SocketFlags.None, ref endPoint, null, state);
base.AddAsyncBlock(asyncResult, base._socket, 3);
}
else
{
base._socket.BeginReceiveFrom(base._buffer, 0, base._buffer.Length, SocketFlags.None, ref endPoint, new AsyncCallback(this.ReceiveCallBack), state);
}
}
catch (SocketException exception)
{
this.OnReceiveFailed(exception);
}
}
