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snltty
2024-10-17 17:30:30 +08:00
parent c5a12185e7
commit 078d61d5b0
36 changed files with 769 additions and 150 deletions
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45
linker.libs/NetworkHelper.cs
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@@ -157,7 +157,8 @@ namespace linker.libs
return Array.Empty<IPAddress>();
}
public static byte GetPrefixLength(uint ip)
public static byte PrefixValue2Length(uint ip)
{
byte maskLength = 32;
for (int i = 0; i < sizeof(uint); i++)
@@ -170,34 +171,60 @@ namespace linker.libs
}
return maskLength;
}
public static uint GetPrefixIP(byte prefixLength)
public static uint PrefixLength2Value(byte prefixLength)
{
//最多<<31 所以0需要单独计算
if (prefixLength < 1) return 0;
return 0xffffffff << (32 - prefixLength);
}
public static IPAddress GetPrefixIp(uint prefixIP)
public static IPAddress PrefixValue2IP(uint prefixIP)
{
return new IPAddress(BitConverter.GetBytes(BinaryPrimitives.ReverseEndianness(prefixIP)));
}
public static IPAddress ToNetworkIp(IPAddress ip, uint prefixIP)
public static uint IP2Value(IPAddress ip)
{
return ToNetworkIp(BinaryPrimitives.ReadUInt32BigEndian(ip.GetAddressBytes()), prefixIP);
return BinaryPrimitives.ReadUInt32BigEndian(ip.GetAddressBytes());
}
public static IPAddress ToNetworkIp(uint ip, uint prefixIP)
public static IPAddress Value2IP(uint value)
{
return new IPAddress(BitConverter.GetBytes(BinaryPrimitives.ReverseEndianness(value)));
}
public static IPAddress NetworkIP2IP(IPAddress ip, uint prefixIP)
{
return NetworkValue2Ip(BinaryPrimitives.ReadUInt32BigEndian(ip.GetAddressBytes()), prefixIP);
}
public static uint NetworkIP2Value(IPAddress ip, uint prefixIP)
{
return NetworkValue2Value(BinaryPrimitives.ReadUInt32BigEndian(ip.GetAddressBytes()), prefixIP);
}
public static IPAddress NetworkValue2Ip(uint ip, uint prefixIP)
{
return new IPAddress(BinaryPrimitives.ReverseEndianness(ip & prefixIP).ToBytes());
}
public static uint NetworkValue2Value(uint ip, uint prefixIP)
{
return ip & prefixIP;
}
public static uint BroadcastValue2Value(uint ip, uint prefixIP)
{
return ip | ~prefixIP;
}
public static IPAddress ToGatewayIP(IPAddress ip, byte prefixLength)
{
uint network = BinaryPrimitives.ReadUInt32BigEndian(ToNetworkIp(ip, NetworkHelper.GetPrefixIP(prefixLength)).GetAddressBytes());
uint network = BinaryPrimitives.ReadUInt32BigEndian(NetworkIP2IP(ip, NetworkHelper.PrefixLength2Value(prefixLength)).GetAddressBytes());
IPAddress gateway = new IPAddress(BitConverter.GetBytes(BinaryPrimitives.ReverseEndianness(network + 1)));
return gateway;
}
public static IPAddress ToGatewayIP(uint ip, uint prefixIP)
{
uint network = BinaryPrimitives.ReadUInt32BigEndian(ToNetworkIp(ip, prefixIP).GetAddressBytes());
uint network = BinaryPrimitives.ReadUInt32BigEndian(NetworkValue2Ip(ip, prefixIP).GetAddressBytes());
IPAddress gateway = new IPAddress(BitConverter.GetBytes(BinaryPrimitives.ReverseEndianness(network + 1)));
return gateway;
}