/// <summary>
/// Creates an instance from status, Prefix Length and Home Address.
/// </summary>
/// <param name="status">
/// Indicates success or failure for the IPv4 home address binding.
/// Values from 0 to 127 indicate success.
/// Higher values indicate failure.
/// </param>
/// <param name="prefixLength">
/// The prefix length of the address allocated.
/// This field is only valid in case of success and must be set to zero and ignored in case of failure.
/// This field overrides what the mobile node requested (if not equal to the requested length).
/// </param>
/// <param name="homeAddress">
/// The IPv4 home address that the home agent will use in the binding cache entry.
/// This could be a public or private address.
/// This field must contain the mobile node's IPv4 home address.
/// If the address were dynamically allocated, the home agent will add the address to inform the mobile node.
/// Otherwise, if the address is statically allocated to the mobile node, the home agent will copy it from the binding update message.
/// </param>
public IpV6MobilityOptionIpV4AddressAcknowledgement(IpV6AddressAcknowledgementStatus status, byte prefixLength, IpV4Address homeAddress)
: base(IpV6MobilityOptionType.IpV4AddressAcknowledgement)
{
if (prefixLength > MaxPrefixLength)
throw new ArgumentOutOfRangeException("prefixLength", prefixLength,
string.Format(CultureInfo.InvariantCulture, "Exceeded maximum value {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 binding.
/// Values from 0 to 127 indicate success.
/// Higher values indicate failure.
/// </param>
/// <param name="prefixLength">
/// The prefix length of the address allocated.
/// This field is only valid in case of success and must be set to zero and ignored in case of failure.
/// This field overrides what the mobile node requested (if not equal to the requested length).
/// </param>
/// <param name="homeAddress">
/// The IPv4 home address that the home agent will use in the binding cache entry.
/// This could be a public or private address.
/// This field must contain the mobile node's IPv4 home address.
/// If the address were dynamically allocated, the home agent will add the address to inform the mobile node.
/// Otherwise, if the address is statically allocated to the mobile node, the home agent will copy it from the binding update message.
/// </param>
public IpV6MobilityOptionIpV4AddressAcknowledgement(IpV6AddressAcknowledgementStatus status, byte prefixLength, IpV4Address homeAddress)
: base(IpV6MobilityOptionType.IpV4AddressAcknowledgement)
{
if (prefixLength > MaxPrefixLength)
{
throw new ArgumentOutOfRangeException("prefixLength", prefixLength,
string.Format(CultureInfo.InvariantCulture, "Exceeded maximum value {0}", MaxPrefixLength));
}
Status = status;
PrefixLength = prefixLength;
HomeAddress = homeAddress;
}
internal override IpV6MobilityOption CreateInstance(DataSegment data)
{
if (data.Length != OptionDataLength)
{
return(null);
}
IpV6AddressAcknowledgementStatus status = (IpV6AddressAcknowledgementStatus)data[Offset.Status];
byte prefixLength = (byte)((data[Offset.PrefixLength] & Mask.PrefixLength) >> Shift.PrefixLength);
IpV4Address homeAddress = data.ReadIpV4Address(Offset.HomeAddress, Endianity.Big);
return(new IpV6MobilityOptionIpV4AddressAcknowledgement(status, prefixLength, homeAddress));
}
