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网络的相关设置在项目开发中有较多的应用，有时候需要在项目中对网络信息进行相关设置。主要包含IP设置，网关设置，DHCP设置，DNS设置等相关网络的设置。
现在提供提供几种相关的辅助方法类。
/// <summary>
/// 网络适配器标识符，如：{274F9DD5-3650-4D59-B61E-710B6AF5AB36}
/// </summary>
public string NetworkInterfaceId { get; set; }
/// <summary>
/// IP地址
/// </summary>
public string IpAddress
{
get
{
string ipAddress;
var address = GetAddress();
if (address == null)
{
ipAddress = string.Empty;
}
else
{
ipAddress = address.Address.ToString();
}
return ipAddress;
}
set { if (value == null) throw new ArgumentNullException(nameof(value)); }
}
/// <summary>
/// 网关地址
/// </summary>
public string Getway
{
get
{
string getway;
if (Getwaryes != null && Getwaryes.Count > 0)
{
getway = Getwaryes[0].Address.ToString() == "0.0.0.0" ? "" : Getwaryes[0].Address.ToString();
}
else
{
getway =string.Empty;
}
return getway;
}
set { if (value == null) throw new ArgumentNullException(nameof(value)); }
}
/// <summary>
/// DHCP服务器地址
/// </summary>
public string DhcpServer
{
get
{
string dhcpServer;
if (DhcpServerAddresses != null && DhcpServerAddresses.Count > 0)
{
dhcpServer = DhcpServerAddresses[0].ToString();
}
else
{
dhcpServer = string.Empty;
}
return dhcpServer;
}
set { if (value == null) throw new ArgumentNullException(nameof(value)); }
}
/// <summary>
/// MAC地址
/// </summary>
public string MacAddres
{
get
{
string macAddress;
if (MacAddress == null)
macAddress = string.Empty;
else if (MacAddress.ToString().Length == 12)
{
macAddress = MacAddress.ToString().Insert(4, "-").Insert(9, "-");
}
else
{
macAddress = MacAddress.ToString();
}
return macAddress;
}
set { if (value == null) throw new ArgumentNullException(nameof(value)); }
}
/// <summary>
/// 主DNS地址
/// </summary>
public string DnsMain
{
get
{
var dnsMain =string.Empty;
if (DnsAddresses.Count > 0)
{
if (IsIPAddress(DnsAddresses[0].ToString()))
{
dnsMain = DnsAddresses[0].ToString();
}
}
else
{
dnsMain =string.Empty;
}
return dnsMain;
}
set { if (value == null) throw new ArgumentNullException(nameof(value)); }
}
/// <summary>
/// 备用DNS地址
/// </summary>
public string DnsBackup
{
get
{
var dnsBackup = string.Empty;
if (DnsAddresses.Count > 1)
{
if (IsIPAddress(DnsAddresses[1].ToString()))
{
dnsBackup = DnsAddresses[1].ToString();
}
}
else
{
dnsBackup = string.Empty;
}
return dnsBackup;
}
set { if (value == null) throw new ArgumentNullException(nameof(value)); }
}
/// <summary>
/// 子网掩码
/// </summary>
public string Mask
{
get
{
string mask;
var address = GetAddress();
if (address == null)
{
mask = "";
}
else
{
if (address.IPv4Mask != null)
{
mask = address.IPv4Mask.ToString();
}
else
{
mask = "255.255.255.0";
}
}
return mask;
}
set { if (value == null) throw new ArgumentNullException(nameof(value)); }
}
/// <summary>
/// DNS集合
/// </summary>
public IPAddressCollection DnsAddresses { get; set; }
/// <summary>
/// 网关地址集合
/// </summary>
public GatewayIPAddressInformationCollection Getwaryes { get; set; }
/// <summary>
/// IP地址集合
/// </summary>
public UnicastIPAddressInformationCollection IpAddresses { get; set; }
/// <summary>
/// DHCP地址集合
/// </summary>
public IPAddressCollection DhcpServerAddresses { get; set; }
/// <summary>
/// 网卡MAC地址
/// </summary>
public PhysicalAddress MacAddress { get; set; }
/// <summary>
/// 是否启用DHCP服务
/// </summary>
public bool IsDhcpEnabled { get; set; }
/// <summary>
/// 描述信息
/// </summary>
public string Description { get; set; }
/// <summary>
/// 网络接口类型
/// </summary>
/// <returns></returns>
public string NetworkInterfaceType { get; set; }
/// <summary>
/// 速度
/// </summary>
public string Speed { get; set; }
/// <summary>
/// 是否是IP地址
/// </summary>
/// <param name="ipAddress"></param>
/// <returns></returns>
public bool IsIPAddress(string ipAddress)
{
const string regexStr = @"^(25[0-5]|2[0-4][0-9]|[0-1]{1}[0-9]{2}|[1-9]{1}[0-9]{1}|[1-9])\.(25[0-5]|2[0-4][0-9]|[0-1]{1}[0-9]{2}|[1-9]{1}[0-9]{1}|[1-9]|0)\.(25[0-5]|2[0-4][0-9]|[0-1]{1}[0-9]{2}|[1-9]{1}[0-9]{1}|[1-9]|0)\.(25[0-5]|2[0-4][0-9]|[0-1]{1}[0-9]{2}|[1-9]{1}[0-9]{1}|[0-9])$";
var regex = System.Text.RegularExpressions.Regex.Match(ipAddress, regexStr);
return regex.Success;
}
/// <summary>
/// 启用DHCP服务
/// </summary>
public bool EnableDhcp()
{
var wmi = new ManagementClass("Win32_NetworkAdapterConfiguration");
var moc = wmi.GetInstances();
foreach (var o in moc)
{
var mo = (ManagementObject) o;
if (!(bool)mo["IPEnabled"])
continue;
if (mo["SettingID"].ToString() != NetworkInterfaceId) continue;
mo.InvokeMethod("SetDNSServerSearchOrder", null);
mo.InvokeMethod("EnableDHCP", null);
}
//查询现适配器接口信息
var networkAdapter = new NetworkAdapterUtil().GetNeworkAdapterByNetworkInterfaceId(NetworkInterfaceId);
return networkAdapter != null && networkAdapter.IsDhcpEnabled;
}
/// <summary>
/// 设置IP地址,子网掩码，网关,DNS,
/// </summary>
public bool SetIpAddressSubMaskDnsGetway(string ipAddress, string subMask, string getWay, string dnsMain, string dnsBackup)
{
string[] dnsArray;
if (string.IsNullOrEmpty(dnsBackup))
{
dnsArray = new[] { dnsMain };
}
else
{
dnsArray = new[] { dnsMain, dnsBackup };
}
return SetIpAddress(new[] { ipAddress }, new[] { subMask }, new[] { getWay }, dnsArray);
}
/// <summary>
/// 设置IP地址和子网掩码
/// </summary>
public bool SetIpAddressAndSubMask(string ipAddress, string subMask)
{
return SetIpAddress(new[] { ipAddress }, new[] { subMask }, null, null);
}
/// <summary>
/// 设置IP网关
/// </summary>
public bool SetGetWayAddress(string getWay)
{
return SetIpAddress(null, null, new[] { getWay }, null);
}
/// <summary>
/// 设置主,备份DNS地址
/// </summary>
public bool SetDnsAddress(string dnsMain, string dnsBackup)
{
string[] dnsArray;
if (string.IsNullOrEmpty(dnsBackup))
{
dnsArray = new[] { dnsMain };
}
else
{
dnsArray = new[] { dnsMain, dnsBackup };
}
return SetIpAddress(null, null, null, dnsArray);
}
/// <summary>
/// 得到IPV4地址
/// </summary>
/// <returns></returns>
private UnicastIPAddressInformation GetAddress()
{
if (IpAddresses == null || IpAddresses.Count <= 0) return null;
switch (IpAddresses.Count)
{
case 3:
return IpAddresses[2];
case 2:
return IpAddresses[1];
}
return IpAddresses[0];
}
/// <summary>
/// 检查设置IP地址,如果返回空，表示检查通过，为了方便返回就字符串了，没用枚举了
/// </summary>
/// <param name="ipAddress"></param>
/// <param name="subMask"></param>
/// <param name="getWay"></param>
/// <param name="dnsMain"></param>
/// <param name="dnsBackup"></param>
/// <returns></returns>
public string IsIPAddress(string ipAddress, string subMask, string getWay, string dnsMain, string dnsBackup)
{
if (!string.IsNullOrEmpty(ipAddress))
{
if (!IsIPAddress(ipAddress)) return "IP地址格式不对";
}
if (!string.IsNullOrEmpty(subMask))
{
if (!IsIPAddress(subMask)) return "子网掩码格式不对";
}
if (!string.IsNullOrEmpty(getWay))
{
if (!IsIPAddress(getWay)) return "网关地址格式不对";
}
if (!string.IsNullOrEmpty(dnsMain))
{
if (!IsIPAddress(dnsMain)) return "主DNS地址格式不对";
}
if (string.IsNullOrEmpty(dnsBackup)) return "";
return !IsIPAddress(dnsBackup) ? "备用DNS地址格式不对" : "";
}
/// <summary>
/// 设置IP地址
/// </summary>
/// <param name="ip"></param>
/// <param name="submask"></param>
/// <param name="getway"></param>
/// <param name="dns"></param>
private bool SetIpAddress(IEnumerable ip, IEnumerable submask, IEnumerable getway, IEnumerable dns)
{
var wmi = new ManagementClass("Win32_NetworkAdapterConfiguration");
var moc = wmi.GetInstances();
foreach (var o in moc)
{
var mo = (ManagementObject) o;
if (!(bool)mo["IPEnabled"])
continue;
if (NetworkInterfaceId != mo["SettingID"].ToString()) continue;
ManagementBaseObject inPar;
ManagementBaseObject outPar;
string str = null;
if (ip != null && submask != null)
{
inPar = mo.GetMethodParameters("EnableStatic");
inPar["IPAddress"] = ip;
inPar["SubnetMask"] = submask;
outPar = mo.InvokeMethod("EnableStatic", inPar, null);
if (outPar != null) str = outPar["returnvalue"].ToString();
return (str=="0"||str=="1");
//获取操作设置IP的返回值， 可根据返回值去确认IP是否设置成功。 0或1表示成功
}
if(getway!=null)
{
inPar = mo.GetMethodParameters("SetGateways");
inPar["DefaultIPGateway"] = getway;
outPar = mo.InvokeMethod("SetGateways", inPar, null);
if (outPar != null) str = outPar["returnvalue"].ToString();
return (str == "0" || str == "1");
}
if (dns == null) continue;
inPar = mo.GetMethodParameters("SetDNSServerSearchOrder");
inPar["DNSServerSearchOrder"] = dns;
outPar = mo.InvokeMethod("SetDNSServerSearchOrder", inPar, null);
if (outPar != null) str = outPar["returnvalue"].ToString();
return (str == "0" || str == "1");
}
return false;
}
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