private void TcpServerReceiveCallback(IAsyncResult ar)
{
StateObject user = new StateObject();
user = (StateObject)ar.AsyncState;
Socket tmpSocket = user.workSocket;
// 從客戶端讀取資料
int bytesRead = user.workSocket.EndReceive(ar);
if (bytesRead > 0) // 有資料
{
// 客戶端資料
String MSG = Encoding.ASCII.GetString(user.buffer).Trim("\0".ToCharArray());
txtTcpRece.Invoke(updateTxt, MSG, txtTcpRece);
if (Islog)
{
NLogHelp.WriteLog("--" + MSG, tmpSocket.LocalEndPoint.ToString());
}
}
// 清除舊資料
user.buffer = new byte[user.BufferSize];
// 等待客戶端再次傳送資料
user.workSocket.BeginReceive(user.buffer, 0, user.BufferSize, 0, new AsyncCallback(ReceiveCallback), user);
}
private void ReceiveCallback(IAsyncResult ar)
{
try
{
StateObject state = null;
state = (StateObject)ar.AsyncState;
Socket server = state.workSocket;
//!tmpSocket.Poll(10, SelectMode.SelectRead)
if (state.workSocket.Connected)
{
// 從主機端讀取資料
int bytesRead = server.EndReceive(ar);
// 有資料
if (bytesRead > 0)
{
String MSG = Encoding.ASCII.GetString(state.buffer).Trim("\0".ToCharArray());
if (txtTcpRece.InvokeRequired)
{
txtTcpRece.BeginInvoke(updateTxt, MSG, txtTcpRece);
}
else
{
txtTcpRece.AppendText(MSG + Environment.NewLine);
}
if (Islog)
{
NLogHelp.WriteLog("--" + MSG, server.LocalEndPoint.ToString());
}
}
// 繼續等待主機回傳的資料
state.buffer = new byte[state.BufferSize];
state.workSocket.BeginReceive(state.buffer, 0, state.BufferSize, 0, new AsyncCallback(ReceiveCallback), state);
}
else
{
txtTcpRece.BeginInvoke(updateTxt, Environment.NewLine + state.workSocket.LocalEndPoint.ToString() + "连接断开", txtTcpRece);
ClientLists.Remove(state);
listBoxClient.Invoke(updateListBox, state.workSocket, listBoxClient);
}
}
catch (Exception e)
{
MessageBox.Show(e.ToString());
}
}