private void OnReceive(IAsyncResult ar)
{
try
{
clientSocket.EndReceive(ar);
bool wexit = false;
int tmpcp = 0;//数组位置指针
int tmpsize = 0;
while (!wexit)
{
tmpsize = BitConverter.ToInt32(byteData, tmpcp);
if ((tmpsize == 0) || (tmpsize > 100))
{
wexit = true;
}
else
{
byte[] tmpdata = new byte[tmpsize];
Array.Copy(byteData, tmpcp, tmpdata, 0, tmpsize);
tmpcp = tmpcp + tmpsize;
CNetData msgReceived = new CNetData(tmpdata);
if (_event_devnetdata != null)
{
_event_devnetdata(msgReceived);
}
}
}
//CNetData msgReceived = new CNetData(byteData);
//if (_event_devnetdata != null)
//{
// _event_devnetdata(msgReceived);
//}
byteData = new byte[1024];
clientSocket.BeginReceive(byteData,
0,
byteData.Length,
SocketFlags.None,
new AsyncCallback(OnReceive),
null);
}
catch (ObjectDisposedException)
{ }
catch (Exception ex)
{
System.Windows.Forms.MessageBox.Show(ex.Message, "CNetClient_OnReceive", System.Windows.Forms.MessageBoxButtons.OK, System.Windows.Forms.MessageBoxIcon.Error);
}
}
public void SendData(CNetData datasend)
{
byte[] b = datasend.ToByte();
try
{
clientSocket.Send(b, 0, b.Length, SocketFlags.None);
}
catch
{
}
}
private void OnConnect(IAsyncResult ar)
{
try
{
clientSocket.EndConnect(ar);
//We are connected so we login into the server
CNetData msgToSend = new CNetData();
msgToSend.cmdCommand = Command.Login;
msgToSend.intDevnum = intDevnum;
msgToSend.strZjbh = null;
byte[] b = msgToSend.ToByte();
//Send the message to the server
clientSocket.BeginSend(b, 0, b.Length, SocketFlags.None, new AsyncCallback(OnSend), null);
}
catch (Exception ex)
{
System.Windows.Forms.MessageBox.Show(ex.Message, "CNetClient_OnConnect", System.Windows.Forms.MessageBoxButtons.OK, System.Windows.Forms.MessageBoxIcon.Error);
}
}