RSE/Models/Experimental/MessageConstant.cs

59 lines
1.6 KiB
C#

using System.Net.NetworkInformation;
namespace Models.Experimental;
public struct MessageConstant
{
public static IPStatus MapV4TypeToIpStatus(int type, int code)
{
IPStatus ipStatus1;
switch ((IcmpV4MessageType) type)
{
case IcmpV4MessageType.EchoReply:
ipStatus1 = IPStatus.Success;
break;
case IcmpV4MessageType.DestinationUnreachable:
IPStatus ipStatus2;
switch ((byte) code)
{
case 0:
ipStatus2 = IPStatus.DestinationNetworkUnreachable;
break;
case 1:
ipStatus2 = IPStatus.DestinationHostUnreachable;
break;
case 2:
ipStatus2 = IPStatus.DestinationProtocolUnreachable;
break;
case 3:
ipStatus2 = IPStatus.DestinationPortUnreachable;
break;
default:
ipStatus2 = IPStatus.DestinationUnreachable;
break;
}
ipStatus1 = ipStatus2;
break;
case IcmpV4MessageType.SourceQuench:
ipStatus1 = IPStatus.SourceQuench;
break;
case IcmpV4MessageType.TimeExceeded:
ipStatus1 = IPStatus.TtlExpired;
break;
case IcmpV4MessageType.ParameterProblemBadIpHeader:
ipStatus1 = IPStatus.BadHeader;
break;
default:
ipStatus1 = IPStatus.Unknown;
break;
}
return ipStatus1;
}
}
internal enum IcmpV4MessageType : byte
{
EchoReply = 0,
DestinationUnreachable = 3,
SourceQuench = 4,
TimeExceeded = 11, // 0x0B
ParameterProblemBadIpHeader = 12, // 0x0C
}