private void AddDevice(DeviceRow device)
{
if (deviceGrid.InvokeRequired)
{
BeginInvoke(new addDevice(AddDevice), device);
}
else
{
_devices.Add(device);
}
}
private void UpdateCache(string client, string uid)
{
DeviceRow device = _devices.Where(q => q.ClientCode.Equals(client)).FirstOrDefault();
//_online.TryGetValue(client, out _uid);
if (device != null && !string.IsNullOrEmpty(device.UID) && device.UID.Equals(uid))
{
return;
}
if (device == null)
{
//_online.TryAdd(client, uid);
//新增设备列表记录
AsyncUserTokenInfo info = _listener.OnlineUserToken.Where(q => q.UID.Equals(uid)).FirstOrDefault();
if (info != null)
{
AddDevice(new DeviceRow()
{
ClientCode = client,
UID = uid,
ClientIP = info.Remote.Address.ToString(),
InTime = info.ConnectTime.ToString(),
ModifyTime = info.FreshTime.ToString()
});
}
//数据库更新上线时间
ConnectionHelper.OnLine(client);
}
else
{
string _uid = device.UID;
//_online.TryUpdate(client, uid, _uid);
device.UID = uid;
//如果IP地址变化，则关闭之前的连接
_listener.CloseClientSocket(_uid);
}
}