public static List <NCIInfo> GetNCIInfoList()
{
if (s_nicInfoListCache.Count != 0)
{
//考虑到网卡不是一直变，用缓存提高速度
return(s_nicInfoListCache);
}
NetworkInterface[] adapters = NetworkInterface.GetAllNetworkInterfaces();
foreach (NetworkInterface adapter in adapters)
{
if (adapter.NetworkInterfaceType != NetworkInterfaceType.Ethernet)
{
continue;
}
if (!adapter.Supports(NetworkInterfaceComponent.IPv4))
{
continue;
}
IPInterfaceProperties ipIntProps = adapter.GetIPProperties();
IPAddress ipAddr = null;
IPAddress ipMaskAddr = null;
UnicastIPAddressInformationCollection ipAddrInfos = ipIntProps.UnicastAddresses;
foreach (UnicastIPAddressInformation ipAddrInfo in ipAddrInfos)
{
IPAddress ipAddrTmp = ipAddrInfo.Address;
if (ipAddrTmp.AddressFamily == AddressFamily.InterNetwork)
{
ipAddr = ipAddrTmp;
ipMaskAddr = ipAddrInfo.IPv4Mask;
break;
}
}
GatewayIPAddressInformationCollection gwIps = ipIntProps.GatewayAddresses;
IPAddress gwIp = null;
if (gwIps.Count != 0)
{
gwIp = gwIps[0].Address;
}
if (ipAddr != null)
{
NCIInfo addr = new NCIInfo
{
Address = ipAddr,
Mask = ipMaskAddr,
GateWay = gwIp,
MAC = adapter.GetPhysicalAddress().ToString(),
Type = GetNetworkInterfaceType(adapter),
Name = adapter.Name,
};
s_nicInfoListCache.Add(addr);
}
}
return(s_nicInfoListCache);
}
public static IPAddress GetBroadcastIP(string defaultMac)
{
NCIInfo ipv4 = NCIInfo.GetNICInfo(defaultMac);
if (ipv4 == null)
{
return(null);
}
return(ipv4.BroadcastAddress);
}
public static List <IPAddress> ConvertToIP(string text)
{
string[] strs = text.Split(new char[] { ';' }, StringSplitOptions.RemoveEmptyEntries);
List <IPAddress> ips = new List <IPAddress>();
for (int i = 0; i < strs.Length; i++)
{
IPAddress ip = NCIInfo.Parse(strs[i]);
if (ip != null)
{
ips.Add(ip);
}
}
return(ips);
}