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snltty
2024-08-19 17:11:27 +08:00
parent 360bd70679
commit 7c89853e41
9 changed files with 38 additions and 93 deletions
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35
linker.libs/NetworkHelper.cs
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@@ -133,7 +133,7 @@ namespace linker.libs
try
{
return Dns.GetHostAddresses(Dns.GetHostName())
.Where(c => c.AddressFamily == System.Net.Sockets.AddressFamily.InterNetworkV6)
.Where(c => c.AddressFamily == AddressFamily.InterNetworkV6)
.Where(c => c.GetAddressBytes().AsSpan(0, 8).SequenceEqual(ipv6LocalBytes) == false).Distinct().ToArray();
}
catch (Exception)
@@ -157,7 +157,7 @@ namespace linker.libs
return Array.Empty<IPAddress>();
}
public static byte MaskLength(uint ip)
public static byte GetPrefixLength(uint ip)
{
byte maskLength = 32;
for (int i = 0; i < sizeof(uint); i++)
@@ -171,42 +171,37 @@ namespace linker.libs
return maskLength;
}
public static uint MaskValue(byte maskLength)
public static uint GetPrefixIP(byte prefixLength)
{
//最多<<31 所以0需要单独计算
if (maskLength < 1) return 0;
return 0xffffffff << (32 - maskLength);
if (prefixLength < 1) return 0;
return 0xffffffff << (32 - prefixLength);
}
public static IPAddress GetMaskIp(uint maskValue)
public static IPAddress GetPrefixIp(uint prefixIP)
{
return new IPAddress(BitConverter.GetBytes(BinaryPrimitives.ReverseEndianness(maskValue)));
return new IPAddress(BitConverter.GetBytes(BinaryPrimitives.ReverseEndianness(prefixIP)));
}
public static IPAddress ToNetworkIp(IPAddress ip, uint maskvalue)
public static IPAddress ToNetworkIp(IPAddress ip, uint prefixIP)
{
return ToNetworkIp(BinaryPrimitives.ReadUInt32BigEndian(ip.GetAddressBytes()), maskvalue);
return ToNetworkIp(BinaryPrimitives.ReadUInt32BigEndian(ip.GetAddressBytes()), prefixIP);
}
public static IPAddress ToNetworkIp(uint ip, uint maskvalue)
public static IPAddress ToNetworkIp(uint ip, uint prefixIP)
{
return new IPAddress(BinaryPrimitives.ReverseEndianness(ip & maskvalue).ToBytes());
return new IPAddress(BinaryPrimitives.ReverseEndianness(ip & prefixIP).ToBytes());
}
public static IPAddress ToGatewayIP(IPAddress ip, byte maskLength)
public static IPAddress ToGatewayIP(IPAddress ip, byte prefixLength)
{
uint network = BinaryPrimitives.ReadUInt32BigEndian(ToNetworkIp(ip, NetworkHelper.MaskValue(maskLength)).GetAddressBytes());
uint network = BinaryPrimitives.ReadUInt32BigEndian(ToNetworkIp(ip, NetworkHelper.GetPrefixIP(prefixLength)).GetAddressBytes());
IPAddress gateway = new IPAddress(BitConverter.GetBytes(BinaryPrimitives.ReverseEndianness(network + 1)));
return gateway;
}
public static IPAddress ToGatewayIP(uint ip, uint maskValue)
public static IPAddress ToGatewayIP(uint ip, uint prefixIP)
{
uint network = BinaryPrimitives.ReadUInt32BigEndian(ToNetworkIp(ip, maskValue).GetAddressBytes());
uint network = BinaryPrimitives.ReadUInt32BigEndian(ToNetworkIp(ip, prefixIP).GetAddressBytes());
IPAddress gateway = new IPAddress(BitConverter.GetBytes(BinaryPrimitives.ReverseEndianness(network + 1)));
return gateway;
}
public static bool NotIPv6Support(IPAddress ip)
{
return ip.AddressFamily == AddressFamily.InterNetworkV6 && (IPv6Support == false);
}
#if DISABLE_IPV6 || (!UNITY_EDITOR && ENABLE_IL2CPP && !UNITY_2018_3_OR_NEWER)
public static bool IPv6Support = false;