public void RemoveElement(T elem)
{
System.Diagnostics.Debug.WriteLine("remove elem:" + elem);
int idx = this.IndexOf(elem);
this.RemoveAt(idx);
ListRemove.Raise(this, new ListChangedEventArg(idx, elem));
}
private void ReceiveMsg()
{
while (receiveFlag)
{
try
{
IPEndPoint RemoteIpEndPoint = new IPEndPoint(IPAddress.Any, 0);
Byte[] receiveBytes = udpClient.Receive(ref RemoteIpEndPoint);
//ReceiveData:0000；
if (receiveFlag)
{
if (receiveBytes.Length > 4)
{
if (RemoteIpEndPoint.Address.ToString() != IPAddress.Any.ToString())
{
using MemoryStream memoryStream = new MemoryStream(receiveBytes);
using BinaryReader binaryReader = new BinaryReader(memoryStream);
string IPAddr = RemoteIpEndPoint.Address.ToString();
MKInfo mkInfo = new MKInfo()
{
IPAddr = IPAddr
};
//TLV格式的数据指针偏移4
binaryReader.BaseStream.Position = 4;
//开始读取TLV格式的数据
//递归方法读取二进制流的数据。
ReadBytes(binaryReader, ref mkInfo);
foreach (MKInfo t in mkInfos)
{
if (t.IPAddr == mkInfo.IPAddr && t.MacAddr == mkInfo.MacAddr)
{
int i = mkInfos.IndexOf(t);
ListRemove lr = new ListRemove(MKInfoRemove);
lr(i);
break;
}
}
ListAdd la = new ListAdd(MKInfoAdd);
la(mkInfo);
}
}
}
}
catch (ObjectDisposedException) { }
catch (SocketException) { }
}
udpClient.Dispose();
}
public IActionResult DeleteFromCart(int id)
{
List <Product> listProducts = new List <Product>();
Product product = _db.Products.FirstOrDefault(i => i.Id == id);
if (string.IsNullOrEmpty(HttpContext.Session.GetString("cart")))
{
HttpContext.Session.SetString("cart", JsonSerializer.Serialize(listProducts));
}
var fromSession = HttpContext.Session.GetString("cart");
listProducts = JsonSerializer.Deserialize <List <Product> >(fromSession);
ListRemove.Remove(ref listProducts, id);
HttpContext.Session.SetString("cart", JsonSerializer.Serialize(listProducts));
return(RedirectToAction("Basket"));
}
private void OnListRemove(EventArgs e)
{
ListRemove?.Invoke(this, e);
}
private void ReceiveMsg()
{
while (receiveFlag)
{
try
{
IPEndPoint RemoteIpEndPoint = new IPEndPoint(IPAddress.Any, 0);
Byte[] receiveBytes = udpClient.Receive(ref RemoteIpEndPoint);
//ReceiveData:0000；
if (receiveFlag)
{
if (receiveBytes.Length > 4)
{
//可能返回0.0.0.0未配置的设备。过滤掉。
if (IPAddress.Any.ToString() != RemoteIpEndPoint.Address.ToString())
{
using MemoryStream memoryStream = new MemoryStream(receiveBytes);
using BinaryReader binaryReader = new BinaryReader(memoryStream);
string IPAddr = RemoteIpEndPoint.Address.ToString();
MKInfo mikroTikInfo = new MKInfo()
{
IPAddr = IPAddr
};
//TLV格式的数据指针偏移4
binaryReader.BaseStream.Position = 4;
//开始读取TLV格式的数据
//递归方法读取二进制流的数据。
ReadBytes(binaryReader, ref mikroTikInfo);
//注释掉
//逐一读取二进制流的数据
//ReadBytes_v2(binaryReader,ref mikroTikInfo);
//更新List集合里面的数据
//主要更新Uptime的数据
int i = int.MinValue;
foreach (MKInfo t in mikroTikInfos)
{
if (t.MacAddr == mikroTikInfo.MacAddr)
{
//删除集合List的数据。
i = mikroTikInfos.IndexOf(t);
break;
}
}
if (i >= 0)
{
//删除集合中存在元素
ListRemove lr = new ListRemove(MikroTikInfoRemove);
lr(i);
//插入到删除元素得位置
ListInsert li = new ListInsert(MikroTikInfoInsert);
li(i, mikroTikInfo);
}
else
{
//追加集合List的数据
ListAdd la = new ListAdd(MikroTikInfoAdd);
la(mikroTikInfo);
}
}
}
}
}
catch (ObjectDisposedException) { }
catch (SocketException) { }
catch (Exception) { }
}
udpClient.Dispose();
}
