public static bool IsSubnet(IpAddress _ip, int _maskBitsNum)
{
if (_ip.GetSubnetAddress(IpAddress.BuildMaskFromBits(_maskBitsNum)).CompareTo(_ip) != 0)
{
return(false);
}
return(true);
}
public static bool IsSubnet(IpAddress _ip, IpAddress _mask)
{
if (_ip.GetSubnetAddress(_mask).CompareTo(_ip) != 0)
{
return(false);
}
return(true);
}
/// <summary>
/// 根据子网地址和掩码位数初始化子网类
/// </summary>
/// <param name="_ip">子网地址</param>
/// <param name="_maskBitsNum">掩码位数</param>
public Subnet(IpAddress _ip, int _maskBitsNum)
{
mask = IpAddress.BuildMaskFromBits(_maskBitsNum);
if (_ip.GetSubnetAddress(mask).CompareTo(_ip) != 0)
{
throw new SubnetErrorException("子网地址和掩码不搭配");
}
ip = _ip;
}
/// <summary>
/// 根据子网地址和掩码地址初始化子网类
/// </summary>
/// <param name="_ip">子网地址</param>
/// <param name="_mask">掩码地址</param>
public Subnet(IpAddress _ip, IpAddress _mask)
{
if (!_mask.IsValidMask())
{
throw new SubnetErrorException("不是正确的掩码格式");
}
if (_ip.GetSubnetAddress(_mask).CompareTo(_ip) != 0)
{
throw new SubnetErrorException("子网地址和掩码不搭配");
}
ip = _ip;
mask = _mask;
maskBitsNum = _mask.GetMaskBits();
}
private void btnAddSubnet_Click(object sender, RoutedEventArgs e)
{
if (tbIP.IP == null && tbMask.IP == null)
{
MessageBox.Show("子网地址或掩码不是正确的IP格式");
return;
}
IpAddress ip = new IpAddress(tbIP.IP);
IpAddress mask = new IpAddress(tbMask.IP);
if (!mask.IsValidMask())
{
MessageBox.Show("掩码的格式不正确");
return;
}
IpAddress subnet = ip.GetSubnetAddress(mask);
subnetList.Add(new Subnet(subnet, mask));
tbIP.Clear();
tbMask.Clear();
}
//Dictionary
private void DrawLine(Equipment equip, Equipment lastEquip)
{
Line l = null;
#region 废弃，拓扑发现时不获取设备连接相关信息，trap来的时候获取
LineInfo lInfo = new LineInfo();
lInfo.UCEquipA = equip.UCEquipIcon;
lInfo.UCEquipB = lastEquip.UCEquipIcon;
try
{
if (equip.IpFirstGet.ToString() == "3.245.1.1" && lastEquip.IpFirstGet.ToString() == "3.247.1.1")
{
}
//随便获取一个对方设备一个地址所属的子网，这样才可以从路由表中得到路由信息和其中的ifIndex
IpAddress subnetA = equip.IpFirstGet.GetSubnetAddress(equip.IPAndInfoList[equip.IpFirstGet].IpMask);
if (lastEquip.IpDstAndRouteInfoLIst.ContainsKey(subnetA))
{
lInfo.IfIDB = lastEquip.IpDstAndRouteInfoLIst[subnetA].IfIndex;
}
else
{
//考虑默认路由聚合路由等情况，比如到3.11.1.0/24的路由，它用3.0.0.0/8囊括了
//还需要考虑一种情况，使用IpFirstGet所在子网作为目的地址获取路由，万一这个是一个互联子网或者不重要的
//且路由协议不是动态的，它不把此子网加入到路由表怎么办？
bool isContainSubnet = false;
foreach (KeyValuePair <IpAddress, RouteInfomation> pair in lastEquip.IpDstAndRouteInfoLIst)
{
if (pair.Value.RouteType != 4)
{
continue; //既然是默认路由，肯定是indirect(4)
}
//寻找是否有路由包含目的子网
if (pair.Key.CompareTo(subnetA.GetSubnetAddress(pair.Value.DstMask)) == 0)
{
isContainSubnet = true;
lInfo.IfIDB = pair.Value.IfIndex;
break;
}
}
if (!isContainSubnet)
{
lInfo.IfIDB = -1; //标注为-1 代表未获取到合适的端口id，在后面的链路判断中，需要进行区分
}
}
IpAddress subnetB = lastEquip.IpFirstGet.GetSubnetAddress(lastEquip.IPAndInfoList[lastEquip.IpFirstGet].IpMask);
if (equip.IpDstAndRouteInfoLIst.ContainsKey(subnetB))
{
lInfo.IfIDA = equip.IpDstAndRouteInfoLIst[subnetB].IfIndex;
}
else
{
bool isContainSubnet = false;
foreach (KeyValuePair <IpAddress, RouteInfomation> pair in equip.IpDstAndRouteInfoLIst)
{
if (pair.Value.RouteType != 4)
{
continue; //既然是默认路由，肯定是indirect(4)
}
//寻找是否有路由包含目的子网
if (pair.Key.CompareTo(subnetB.GetSubnetAddress(pair.Value.DstMask)) == 0)
{
isContainSubnet = true;
lInfo.IfIDA = pair.Value.IfIndex;
break;
}
}
if (!isContainSubnet)
{
lInfo.IfIDA = -1;
}
}
//将接口ID和连接线的信息加入到两边设备
equip.IfIDandLineInfoList.Add(lInfo.IfIDA, lInfo);
lastEquip.IfIDandLineInfoList.Add(lInfo.IfIDB, lInfo);
}
catch (System.Exception ex)
{
//lInfo = null;
AddMessage("为连接线设置附加信息出现问题 " + ex.Message);
}
#endregion
this.Dispatcher.Invoke(new Action(() =>
{
l = new Line();
l.SetBinding(Line.X1Property, new Binding()
{
Path = new PropertyPath("CenterPointX"), Source = equip.UCEquipIcon
});
l.SetBinding(Line.Y1Property, new Binding()
{
Path = new PropertyPath("CenterPointY"), Source = equip.UCEquipIcon
});
l.SetBinding(Line.X2Property, new Binding()
{
Path = new PropertyPath("CenterPointX"), Source = lastEquip.UCEquipIcon
});
l.SetBinding(Line.Y2Property, new Binding()
{
Path = new PropertyPath("CenterPointY"), Source = lastEquip.UCEquipIcon
});
l.Tag = lInfo;
l.ContextMenu = this.FindResource("lineContextMenu") as ContextMenu;
canvas.Children.Add(l);
}));
if (lInfo == null)
{
//出现null引用错误，调试用
}
lInfo.L = l;
l.MouseLeftButtonDown += new MouseButtonEventHandler(l_MouseLeftButtonDown);
}
/// <summary>
/// 判断指定ip地址是否在此子网范围内
/// </summary>
/// <param name="_ip">指定ip地址</param>
public bool Contains(IpAddress _ip)
{
return(ip.CompareTo(_ip.GetSubnetAddress(mask)) == 0 ? true : false);
}
