private void ReciveCallback(IAsyncResult ar)
{
AsyncClientToken token = (AsyncClientToken)ar.AsyncState;
try
{
EndPoint ipe = new IPEndPoint(IPAddress.Parse(token.IP), token.Port);
int recivecount = token.Socket.EndReceiveFrom(ar, ref ipe);
if (recivecount > 0)
{
string sendData = token.HandlerReturnData(Encoding.UTF8.GetString(token.Buffer, 0, recivecount), false);
if (!string.IsNullOrEmpty(sendData))
{
token.Datasize = Encoding.UTF8.GetBytes(sendData, 0, sendData.Length, token.Buffer, 0);
token.Socket.BeginSendTo(token.Buffer, 0, token.Datasize, SocketFlags.None, ipe, new AsyncCallback(SendCallback), token);
}
else
{
CloseOneInstance(token);
}
return;
}
token.HandlerReturnData(token.MessageID, true);
CloseOneInstance(token);
}
catch (Exception ex)
{
token.HandlerReturnData(token.MessageID, true);
CloseOneInstance(token);
if (LogTool != null)
{
LogTool.Log(ex.Message + ex.StackTrace);
}
}
}
private void SendCallback(IAsyncResult ar)
{
AsyncClientToken token = (AsyncClientToken)ar.AsyncState;
try
{
token.Socket.EndSendTo(ar);
if (token.HandlerReturnData != null)
{
EndPoint ipe = new IPEndPoint(IPAddress.Parse(token.IP), token.Port);
token.Socket.BeginReceiveFrom(token.Buffer, 0, m_maxSize, SocketFlags.None, ref ipe, new AsyncCallback(ReciveCallback), token);
}
else
{
CloseOneInstance(token);
}
}
catch (Exception ex)
{
token.HandlerReturnData(token.MessageID, true);
CloseOneInstance(token);
if (LogTool != null)
{
LogTool.Log(ex.Message + ex.StackTrace);
}
}
}
private void ConnectCallback(IAsyncResult ar)
{
AsyncClientToken token = (AsyncClientToken)ar.AsyncState;
try
{
token.Socket.EndConnect(ar);
token.Socket.BeginSend(token.Buffer, 0, token.Datasize, SocketFlags.None, new AsyncCallback(SendCallback), token);
}
catch (Exception ex)
{
token.HandlerReturnData(token.MessageID, true);
CloseOneInstance(token);
if (LogTool != null)
{
LogTool.Log(ex.Message + ex.StackTrace);
}
}
}
