/// <summary>
/// init client connect
/// </summary>
/// <param name="o"></param>
private void Acceptor(IAsyncResult o)
{
TcpListener server = o.AsyncState as TcpListener;
try
{
TCPIPClient newClient = new TCPIPClient();
newClient.NetWork = server.EndAcceptTcpClient(o);
if (lstClient.Count > 0) //Server need to update the listClient(not to add new) when the connection was created from the same Client
{
int endIndex = newClient.Name.IndexOf(":");
string s = newClient.Name.Substring(0, endIndex - 1);
for (int i = 0; i < lstClient.Count; i++)
{
if (lstClient[i].Name.Contains(s) && lstClient[i].Name != newClient.Name)
{
LogerHelper2.ToLog("old client : " + lstClient[i].Name + " has been killed!", 2);
lstClient[i].Disconnect();
lstClient.Remove(lstClient[i]);
}
}
}
lstClient.Add(newClient);
newClient.isClientOnline = true;
LogerHelper2.ToLog("client : " + newClient.Name + " is connect to server", 2);
newClient.NetWork.GetStream().BeginRead(newClient.buffer, 0, newClient.buffer.Length, new AsyncCallback(TCPCallBack), newClient);
server.BeginAcceptTcpClient(new AsyncCallback(Acceptor), server);//continue moniter client
}
catch (ObjectDisposedException ex)
{
LogerHelper2.ToLog(ex.Message, 3);
}
}
public void ConnectToServer(string ip, int port)
{
//client.NetWork.
try
{
LogerHelper2.ToLog(string.Format("Connecting to Server: {0}:{1}", ip, port), 3);
client = new TCPIPClient();
client.NetWork = new TcpClient();
client.NetWork.Connect(ip.Trim(), port);//connect to server
client.SetName();
client.NetWork.GetStream().BeginRead(client.buffer, 0, client.buffer.Length, new AsyncCallback(TCPCallBack), client);
IsConnected = true;
//if (client.NetWork.Connected)
//{
// ServerConnected(client, true);
//}
// lstClient.Add(client);
// BindLstClient();
TxCount = 0;
}
catch (Exception ex)
{
IsConnected = false;
client.Disconnect();
//ServerConnected(client, false);
MessageBox.Show("不能连接到库房App，请检查库房App是否打开.", "程序启动");
LogerHelper2.ToLog("connecting Exception:" + ex.Message, 3);
}
}
/// <summary>
/// callback method
/// </summary>
/// <param name="ar"></param>
private void TCPCallBack(IAsyncResult ar)
{
TCPIPClient client = (TCPIPClient)ar.AsyncState;
if (client.NetWork.Connected)
{
try
{
NetworkStream ns = client.NetWork.GetStream();
byte[] recdata = new byte[ns.EndRead(ar)];
string receivedstring = (new ASCIIEncoding().GetString(client.buffer));
receivedstring = receivedstring.Substring(0, recdata.Length);
if (recdata.Length > 0)
{
if (receivedstring.Contains("\r\n"))
{
string[] recdataArray = receivedstring.Split("\r\n".ToCharArray(), StringSplitOptions.RemoveEmptyEntries);
for (int i = 0; i < recdataArray.Length; i++)
{
if (MessageReceived != null)
{
MessageReceived.BeginInvoke(client.Name, Message.ConvertStringToMessage(recdataArray[i]), null, null);//async output data
}
}
ns.BeginRead(client.buffer, 0, client.buffer.Length, new AsyncCallback(TCPCallBack), client);
}
else
{
Array.Copy(client.buffer, recdata, recdata.Length);
if (MessageReceived != null)
{
MessageReceived.BeginInvoke(client.Name, Message.ConvertByteToMessage(recdata), null, null);//async output data
}
ns.BeginRead(client.buffer, 0, client.buffer.Length, new AsyncCallback(TCPCallBack), client);
}
}
else
{
client.Disconnect();
LogerHelper2.ToLog("client :" + client.Name + " is disconnect from server", 2);
client.isClientOnline = false;
CommonMethod.ShowClientOffLine(client.Name);
lstClient.Remove(client);
}
}
catch (Exception ex)
{
client.Disconnect();
LogerHelper2.ToLog(ex.Message + "client :" + client.Name + " is disconnect from server", 3);
client.isClientOnline = false;
CommonMethod.ShowClientOffLine(client.Name);
lstClient.Remove(client);
}
}
}
private bool Send(byte[] data, TCPIPClient client)
{
try
{
client.NetWork.GetStream().Write(data, 0, data.Length);
}
catch (Exception ex)
{
LogerHelper2.ToLog("methond TcpServer.Send catch exception :" + client.Name + ex.Message, 3);
client.Disconnect();
return(false);
}
return(true);
}
/// <summary>
/// Callback
/// </summary>
/// <param name="ar"></param>
private void TCPCallBack(IAsyncResult ar)
{
try
{
TCPIPClient client = (TCPIPClient)ar.AsyncState;
if (client.NetWork.Connected)
{
NetworkStream ns = client.NetWork.GetStream();
byte[] recdata = new byte[ns.EndRead(ar)];
Array.Copy(client.buffer, recdata, recdata.Length);
if (recdata.Length > 0)
{
if (MessageReceived != null)
{
string[] temp = Encoding.ASCII.GetString(recdata).Split('\n');
foreach (string item in temp)
{
if (item != "")
{
MessageReceived.BeginInvoke(client.Name, Message.ConvertStringToMessage(item), null, null);//Async call back
}
}
}
ns.BeginRead(client.buffer, 0, client.buffer.Length, new AsyncCallback(TCPCallBack), client);
}
else
{
IsConnected = false;
client.Disconnect();
//ServerConnected(client, false);
// lstClient.Remove(client);
// BindLstClient();
}
}
}
catch (Exception e)
{
LogerHelper2.ToLog("Exception in Connection TCPCallBack:\r\n" + e.Message, 3);
}
}