C# 用C语言实现局域网唤醒#
使用C#实现局域网唤醒的最佳方式是什么C# 用C语言实现局域网唤醒#,c#,wake-on-lan,C#,Wake On Lan,使用C#实现局域网唤醒的最佳方式是什么 LAN环境(而不是internet)中的机器需要此功能。该方法需要足够健壮,以处理防火墙和其他此类问题。此外,对于不支持此功能或已禁用此功能的系统,是否有替代方案 主要目标是通过LAN唤醒机器(从关机/休眠状态),这将使用C#进行编程 请导游 附言:我遇到了以下几点: 然而,我对这一点还不熟悉,因此无法判断解决方案是否足够全面。如果有人能推荐以下文章,那将很有帮助。对于WOL问题,您必须澄清三个问题才能使其正常工作: 通过以太网电缆发送WOL 配置您
LAN环境(而不是internet)中的机器需要此功能。该方法需要足够健壮,以处理防火墙和其他此类问题。此外,对于不支持此功能或已禁用此功能的系统,是否有替代方案 主要目标是通过LAN唤醒机器(从关机/休眠状态),这将使用C#进行编程 请导游 附言:我遇到了以下几点:
然而,我对这一点还不熟悉,因此无法判断解决方案是否足够全面。如果有人能推荐以下文章,那将很有帮助。对于WOL问题,您必须澄清三个问题才能使其正常工作:
最后但并非最不重要的一点是,我只想提醒您,第一个问题可以分为一些较小的数据包,但据我所知,这些问题都受到您提供的链接的限制。我知道,这是一个非常老的问题,但仍然有效。因为我在被接受的答案中没有看到任何C#,所以我编写了自己的“局域网唤醒”代码 我的目标是打造一个通用且简单的局域网唤醒课程:
- 适用于ipv4、ipv6和双栈李>
- 使用连接到不同网络(两台计算机)的一个或多个网卡(NIC)李>
- 使用任何标准十六进制格式的macaddress李>
- 使用多播工作(使用多个NIC时,Windows中的广播有问题,使用ipv6时不支持广播)
using System;
using System.IO;
using System.Linq;
using System.Net;
using System.Net.NetworkInformation;
using System.Net.Sockets;
using System.Text.RegularExpressions;
using System.Threading.Tasks;
public static class WOL
{
public static async Task WakeOnLan(string macAddress)
{
byte[] magicPacket = BuildMagicPacket(macAddress);
foreach (NetworkInterface networkInterface in NetworkInterface.GetAllNetworkInterfaces().Where((n) =>
n.NetworkInterfaceType != NetworkInterfaceType.Loopback && n.OperationalStatus == OperationalStatus.Up))
{
IPInterfaceProperties iPInterfaceProperties = networkInterface.GetIPProperties();
foreach (MulticastIPAddressInformation multicastIPAddressInformation in iPInterfaceProperties.MulticastAddresses)
{
IPAddress multicastIpAddress = multicastIPAddressInformation.Address;
if (multicastIpAddress.ToString().StartsWith("ff02::1%", StringComparison.OrdinalIgnoreCase)) // Ipv6: All hosts on LAN (with zone index)
{
UnicastIPAddressInformation unicastIPAddressInformation = iPInterfaceProperties.UnicastAddresses.Where((u) =>
u.Address.AddressFamily == AddressFamily.InterNetworkV6 && !u.Address.IsIPv6LinkLocal).FirstOrDefault();
if (unicastIPAddressInformation != null)
{
await SendWakeOnLan(unicastIPAddressInformation.Address, multicastIpAddress, magicPacket);
break;
}
}
else if (multicastIpAddress.ToString().Equals("224.0.0.1")) // Ipv4: All hosts on LAN
{
UnicastIPAddressInformation unicastIPAddressInformation = iPInterfaceProperties.UnicastAddresses.Where((u) =>
u.Address.AddressFamily == AddressFamily.InterNetwork && !iPInterfaceProperties.GetIPv4Properties().IsAutomaticPrivateAddressingActive).FirstOrDefault();
if (unicastIPAddressInformation != null)
{
await SendWakeOnLan(unicastIPAddressInformation.Address, multicastIpAddress, magicPacket);
break;
}
}
}
}
}
static byte[] BuildMagicPacket(string macAddress) // MacAddress in any standard HEX format
{
macAddress = Regex.Replace(macAddress, "[: -]", "");
byte[] macBytes = new byte[6];
for (int i = 0; i < 6; i++)
{
macBytes[i] = Convert.ToByte(macAddress.Substring(i * 2, 2), 16);
}
using (MemoryStream ms = new MemoryStream())
{
using (BinaryWriter bw = new BinaryWriter(ms))
{
for (int i = 0; i < 6; i++) //First 6 times 0xff
{
bw.Write((byte)0xff);
}
for (int i = 0; i < 16; i++) // then 16 times MacAddress
{
bw.Write(macBytes);
}
}
return ms.ToArray(); // 102 bytes magic packet
}
}
static async Task SendWakeOnLan(IPAddress localIpAddress, IPAddress multicastIpAddress, byte[] magicPacket)
{
using (UdpClient client = new UdpClient(new IPEndPoint(localIpAddress, 0)))
{
await client.SendAsync(magicPacket, magicPacket.Length, multicastIpAddress.ToString(), 9);
}
}
}
您所需要的只是希望唤醒的计算机上的有线网卡的MAC地址。任何标准的十六进制表示都可以。然后按如下方式调用代码:
string mac = "01-02-03-04-05-06";
await WOL.WakeOnLan(mac);
这是课程:
using System;
using System.IO;
using System.Linq;
using System.Net;
using System.Net.NetworkInformation;
using System.Net.Sockets;
using System.Text.RegularExpressions;
using System.Threading.Tasks;
public static class WOL
{
public static async Task WakeOnLan(string macAddress)
{
byte[] magicPacket = BuildMagicPacket(macAddress);
foreach (NetworkInterface networkInterface in NetworkInterface.GetAllNetworkInterfaces().Where((n) =>
n.NetworkInterfaceType != NetworkInterfaceType.Loopback && n.OperationalStatus == OperationalStatus.Up))
{
IPInterfaceProperties iPInterfaceProperties = networkInterface.GetIPProperties();
foreach (MulticastIPAddressInformation multicastIPAddressInformation in iPInterfaceProperties.MulticastAddresses)
{
IPAddress multicastIpAddress = multicastIPAddressInformation.Address;
if (multicastIpAddress.ToString().StartsWith("ff02::1%", StringComparison.OrdinalIgnoreCase)) // Ipv6: All hosts on LAN (with zone index)
{
UnicastIPAddressInformation unicastIPAddressInformation = iPInterfaceProperties.UnicastAddresses.Where((u) =>
u.Address.AddressFamily == AddressFamily.InterNetworkV6 && !u.Address.IsIPv6LinkLocal).FirstOrDefault();
if (unicastIPAddressInformation != null)
{
await SendWakeOnLan(unicastIPAddressInformation.Address, multicastIpAddress, magicPacket);
break;
}
}
else if (multicastIpAddress.ToString().Equals("224.0.0.1")) // Ipv4: All hosts on LAN
{
UnicastIPAddressInformation unicastIPAddressInformation = iPInterfaceProperties.UnicastAddresses.Where((u) =>
u.Address.AddressFamily == AddressFamily.InterNetwork && !iPInterfaceProperties.GetIPv4Properties().IsAutomaticPrivateAddressingActive).FirstOrDefault();
if (unicastIPAddressInformation != null)
{
await SendWakeOnLan(unicastIPAddressInformation.Address, multicastIpAddress, magicPacket);
break;
}
}
}
}
}
static byte[] BuildMagicPacket(string macAddress) // MacAddress in any standard HEX format
{
macAddress = Regex.Replace(macAddress, "[: -]", "");
byte[] macBytes = new byte[6];
for (int i = 0; i < 6; i++)
{
macBytes[i] = Convert.ToByte(macAddress.Substring(i * 2, 2), 16);
}
using (MemoryStream ms = new MemoryStream())
{
using (BinaryWriter bw = new BinaryWriter(ms))
{
for (int i = 0; i < 6; i++) //First 6 times 0xff
{
bw.Write((byte)0xff);
}
for (int i = 0; i < 16; i++) // then 16 times MacAddress
{
bw.Write(macBytes);
}
}
return ms.ToArray(); // 102 bytes magic packet
}
}
static async Task SendWakeOnLan(IPAddress localIpAddress, IPAddress multicastIpAddress, byte[] magicPacket)
{
using (UdpClient client = new UdpClient(new IPEndPoint(localIpAddress, 0)))
{
await client.SendAsync(magicPacket, magicPacket.Length, multicastIpAddress.ToString(), 9);
}
}
}
使用系统;
使用System.IO;
使用System.Linq;
Net系统;
使用System.Net.NetworkInformation;
使用System.Net.Sockets;
使用System.Text.RegularExpressions;
使用System.Threading.Tasks;
公共静态类WOL
{
公共静态异步任务WakeOnLan(字符串macAddress)
{
字节[]magicPacket=BuildMagicPacket(macAddress);
foreach(NetworkInterface.GetAllNetworkInterfaces()中的NetworkInterface NetworkInterface)。其中((n)=>
n、 NetworkInterfaceType!=NetworkInterfaceType.Loopback&&n.OperationalStatus==OperationalStatus.Up))
{
IPInterfaceProperties IPInterfaceProperties=networkInterface.GetIPProperties();
foreach(iPInterfaceProperties.MulticastAddresss中的MulticastIPAddressInformation MulticastIPAddressInformation)
{
IPAddress multicastIpAddress=multicastIPAddressInformation.Address;
if(multicastIpAddress.ToString().StartsWith(“ff02::1%”,StringComparison.OrdinalIgnoreCase))//Ipv6:LAN上的所有主机(带区域索引)
{
UnicastIPAddressInformation UnicastIPAddressInformation=iPInterfaceProperties.UnicastAddresses.Where((u)=>
u、 Address.AddressFamily==AddressFamily.InterNetworkV6&!u.Address.IsIPv6LinkLocal).FirstOrDefault();
if(unicastIPAddressInformation!=null)
{
等待SendWakeOnLan(UnicastipAddress.Address,multicastIpAddress,MagicPackage);
打破
}
}
else if(multicastIpAddress.ToString().Equals(“224.0.0.1”)//Ipv4:局域网上的所有主机
{
UnicastIPAddressInformation UnicastIPAddressInformation=iPInterfaceProperties.UnicastAddresses.Where((u)=>
u、 Address.AddressFamily==AddressFamily.InterNetwork&&!iPInterfaceProperties.GetIPv4Properties().IsAutomaticPrivateAddressingActive).FirstOrDefault();
if(unicastIPAddressInformation!=null)
{
等待SendWakeOnLan(UnicastipAddress.Address,multicastIpAddress,MagicPackage);
打破
}
}
}
}
}
静态字节[]BuildMagicPacket(字符串macAddress)//任何标准十六进制格式的macAddress
{
macAddress=Regex.Replace(macAddress,[:-],“”);
字节[]macBytes=新字节[6];
对于(int i=0;i<6;i++)
{
macBytes[i]=Convert.ToByte(macAddress.Substring(i*2,2),16);
}
使用(MemoryStream ms=new MemoryStream())
{
使用(BinaryWriter bw=新的BinaryWriter(ms))
{
对于(int i=0;i<6;i++)//第一个
SendWakeOnLan(PhysicalAddress.Parse("0A-0B-0C-0D-0E-0F"));