public Form1()
{
InitializeComponent();
timer.Tick += new System.EventHandler(this.sendTimer);
timer.Interval = 2000;
UIController.Instance.SubscribeRouteChangedMsg(AddText);
netHelper = new SocketHelper("127.0.0.1", 2112);
XConnection concreator = new PushMsgConnection();
netHelper.SetConnection(concreator);
netHelper.AsyncReceive();
}
void ReceiveCallback(IAsyncResult ar)
{
try
{
SocketHelper session = (SocketHelper)ar.AsyncState;
int bytesread = m_Socket.EndReceive(ar);
if (0 < bytesread)
{
//取最后四个字节判断是否为包尾，如果是则说明已经收到一个完整的数据包了
if (session.IsIntegrity())
{
m_Connection.Parse(Encoding.ASCII.GetString(Buffer, 0, bytesread));
this.AsyncReceive();
}
else
{
m_Socket.BeginReceive(Buffer, 0, BufferSize, 0, new AsyncCallback(ReceiveCallback), session);
}
}
else
{
if (session.IsIntegrity())
{
this.AsyncReceive();
m_Connection.Parse(Buffer);
session = null;
}
else
{
this.Close();
}
}
}
catch (Exception e)
{
//出现异常，关闭连接
this.Close();
}
}