/// <summary>
/// Creates an instance from status, Prefix Length and Home Address.
/// </summary>
/// <param name="status">
/// Indicates success or failure for the IPv4 home address assignment.
/// Values from 0 to 127 indicate success.
/// Higher values (128 to 255) indicate failure.
/// </param>
/// <param name="prefixLength">
/// Used to carry the prefix length of the mobile node's IPv4 home network corresponding to the IPv4 home address contained in the option.
/// </param>
/// <param name="homeAddress">
/// Used to carry the IPv4 home address assigned to the mobile node.
/// </param>
public IpV6MobilityOptionIpV4HomeAddressReply(IpV6IpV4HomeAddressReplyStatus status, byte prefixLength, IpV4Address homeAddress)
: base(IpV6MobilityOptionType.IpV4HomeAddressReply)
{
if (prefixLength > MaxPrefixLength)
throw new ArgumentOutOfRangeException("prefixLength", prefixLength,
string.Format(CultureInfo.InvariantCulture, "Max prefix length is {0}", MaxPrefixLength));
Status = status;
PrefixLength = prefixLength;
HomeAddress = homeAddress;
}
/// <summary>
/// Creates an instance from status, Prefix Length and Home Address.
/// </summary>
/// <param name="status">
/// Indicates success or failure for the IPv4 home address assignment.
/// Values from 0 to 127 indicate success.
/// Higher values (128 to 255) indicate failure.
/// </param>
/// <param name="prefixLength">
/// Used to carry the prefix length of the mobile node's IPv4 home network corresponding to the IPv4 home address contained in the option.
/// </param>
/// <param name="homeAddress">
/// Used to carry the IPv4 home address assigned to the mobile node.
/// </param>
public IpV6MobilityOptionIpV4HomeAddressReply(IpV6IpV4HomeAddressReplyStatus status, byte prefixLength, IpV4Address homeAddress)
: base(IpV6MobilityOptionType.IpV4HomeAddressReply)
{
if (prefixLength > MaxPrefixLength)
{
throw new ArgumentOutOfRangeException("prefixLength", prefixLength,
string.Format(CultureInfo.InvariantCulture, "Max prefix length is {0}", MaxPrefixLength));
}
Status = status;
PrefixLength = prefixLength;
HomeAddress = homeAddress;
}
internal override IpV6MobilityOption CreateInstance(DataSegment data)
{
if (data.Length != OptionDataLength)
{
return(null);
}
IpV6IpV4HomeAddressReplyStatus status = (IpV6IpV4HomeAddressReplyStatus)data[Offset.Status];
byte prefixLength = (byte)((data[Offset.PrefixLength] & Mask.PrefixLength) >> Shift.PrefixLength);
IpV4Address homeAddress = data.ReadIpV4Address(Offset.HomeAddress, Endianity.Big);
return(new IpV6MobilityOptionIpV4HomeAddressReply(status, prefixLength, homeAddress));
}
