public static void Disconnect(ref TCP_STRUCT CRT)
{
try
{
CRT.sck.Disconnect(true);
CRT.sck.Close();
CRT.IsConnected = false;
}
catch
{ }
}
public static void Connect(ref TCP_STRUCT CRT)
{
CRT.timeoutMSec = 1000;
CRT.sck = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
try
{
IPAddress address = IPAddress.Parse(ConfigurationManager.AppSettings["LocalIP2"]);
CRT.sck.Bind(new IPEndPoint(address, 0));
}
catch (Exception ex)
{
// MessageBox.Show("无法建立连接");
Trace.WriteLine(ex.Message);
return;
}
CRT.rep = new IPEndPoint(IPAddress.Parse(CRT.ServerIP), int.Parse(CRT.ServerPORT));
var result = CRT.sck.BeginConnect(CRT.rep, null, null);
bool success = result.AsyncWaitHandle.WaitOne(CRT.timeoutMSec, true);
if (success)
{
try
{
CRT.sck.EndConnect(result);//建立连接
CRT.IsConnected = true;
Trace.WriteLine("成功建立连接！");
}
catch
{
CRT.IsConnected = false;
Trace.WriteLine("建立连接失败！");
}
}
else
{
CRT.sck.Close();
CRT.IsConnected = false;
Trace.WriteLine("连接超时！");
}
}