public MBMessage DealRequest(MBConnect c, MBMessage req)
{
MBMessage resp;
if (req.FC == 0x01)
{
resp = AckReadCoil(req);
}
else if (
req.FC == 0x05)
{
resp = AckWriteCoil(req);
}
else
{
resp = new MBMessage(req);
resp.FC = (byte)(0x80 | req.FC);
resp.SetBody(new byte[] { MBException.E01_ILLEGAL_FUNCTION });
}
return resp;
}
void CloseClient(MBConnect c)
{
string ip = c.IP;
if (OnClientDisconnect != null)
{
OnClientDisconnect.Invoke(c);
}
MBConnect _removed;
_connections.TryRemove(ip, out _removed);
Log.InfoFormat("客户端断开: {0}", ip);
try
{
c.Socket.Shutdown(SocketShutdown.Both);
c.Socket.Close();
}
catch (Exception e)
{
Log.ErrorFormat("Closing error:{0}", e.Message);
}
}
public ReceiveThread(MBServer server, MBConnect client)
{
this._client = client;
this._server = server;
}
private MBMessage _OnMsgDealed(MBConnect c, MBMessage req)
{
MBMessage resp = null;
if (OnMsgDealed != null)
{
resp = OnMsgDealed.Invoke(c, req);
}
return resp;
}
private void ListenClientConnect()
{
while (true)
{
if (_serverReady && _serverSocket != null)
{
Socket clientSocket = _serverSocket.Accept();
clientSocket.IOControl(IOControlCode.KeepAliveValues, GetKeepOption(), null);
string ip = clientSocket.RemoteEndPoint.ToString();
MBConnect c = new MBConnect(clientSocket, ip);
_connections[ip] = c;
Log.InfoFormat("客户端已连接: {0} ", ip);
if (OnClientConnect != null)
{
OnClientConnect.Invoke(c);
}
ReceiveThread _client = new ReceiveThread(this, c);
_client.OnMsgDealed = _OnMsgDealed;
Thread t = new Thread(_client.DoWork);
t.Start();
}
else
{
break;// 停止.
}
Thread.Sleep(10);
}
}
private void UpdateMBClient(MBConnect c, ClientAction t)
{
if (lv_client.InvokeRequired)
{
UpdateMBClientCallback cb = new UpdateMBClientCallback(UpdateMBClient);
this.Invoke(cb, new object[] { c, t });
}
else
{
ListViewItem item = null;
if (t == ClientAction.ADD)
{
item = new ListViewItem(new string[10]); //#,ip,recv, send, elapse, recv_bytes, send_bytes
_clientRows[c.IP] = item;
lv_client.Items.Add(item);
}
else
{
item = _clientRows[c.IP];
}
if (t == ClientAction.ADD || t == ClientAction.UPDATE)
{
item.SubItems[ClientColumns.IP].Text = c.IP;
item.SubItems[ClientColumns.REQ].Text = Convert.ToString(c.Req);
item.SubItems[ClientColumns.ACK].Text = Convert.ToString(c.Ack);
item.SubItems[ClientColumns.ELAPSE].Text = Convert.ToString(c.Elapsed);
item.SubItems[ClientColumns.RECV].Text = Convert.ToString(c.Recv);
item.SubItems[ClientColumns.SENT].Text = Convert.ToString(c.Sent);
item.ImageKey = "green";
}
else
{
lv_client.Items.Remove(item);
}
}
}
private MBMessage OnMBClientRequest(MBConnect c, MBMessage req)
{
UpdateMBClient(c, ClientAction.UPDATE);
if (_handler != null)
{
return _handler.DealRequest(c, req);
}
return null;
}
private void OnMBClientDisconnected(MBConnect c)
{
UpdateMBClient(c, ClientAction.REMOVE);
}
private void OnMBClientConnected(MBConnect c)
{
UpdateMBClient(c, ClientAction.ADD);
}