/// <summary>
/// Creates an instance from next header, checksum, sequence number, code and options.
/// </summary>
/// <param name="nextHeader">Identifies the type of header immediately following this extension header.</param>
/// <param name="checksum">
/// Contains the checksum of the Mobility Header.
/// The checksum is calculated from the octet string consisting of a "pseudo-header"
/// followed by the entire Mobility Header starting with the Payload Proto field.
/// The checksum is the 16-bit one's complement of the one's complement sum of this string.
/// </param>
/// <param name="sequenceNumber">
/// Copied from the corresponding field in the Handover Initiate message to which this message is a response,
/// to enable the receiver to match this Handover Acknowledge message with an outstanding Handover Initiate message.
/// </param>
/// <param name="code">Describes whether the handover was accepted or not and more details.</param>
/// <param name="options">Zero or more TLV-encoded mobility options.</param>
public IpV6ExtensionHeaderMobilityHandoverAcknowledgeMessage(IpV4Protocol?nextHeader, ushort checksum, ushort sequenceNumber,
IpV6MobilityHandoverAcknowledgeCode code, IpV6MobilityOptions options)
: base(nextHeader, checksum, options, MessageDataOffset.Options)
{
SequenceNumber = sequenceNumber;
Code = code;
}
/// <summary>
/// Creates an instance from next header, checksum, sequence number, code and options.
/// </summary>
/// <param name="nextHeader">Identifies the type of header immediately following this extension header.</param>
/// <param name="checksum">
/// Contains the checksum of the Mobility Header.
/// The checksum is calculated from the octet string consisting of a "pseudo-header"
/// followed by the entire Mobility Header starting with the Payload Proto field.
/// The checksum is the 16-bit one's complement of the one's complement sum of this string.
/// </param>
/// <param name="sequenceNumber">
/// Copied from the corresponding field in the Handover Initiate message to which this message is a response,
/// to enable the receiver to match this Handover Acknowledge message with an outstanding Handover Initiate message.
/// </param>
/// <param name="code">Describes whether the handover was accepted or not and more details.</param>
/// <param name="options">Zero or more TLV-encoded mobility options.</param>
public IpV6ExtensionHeaderMobilityHandoverAcknowledgeMessage(IpV4Protocol? nextHeader, ushort checksum, ushort sequenceNumber,
IpV6MobilityHandoverAcknowledgeCode code, IpV6MobilityOptions options)
: base(nextHeader, checksum, options, MessageDataOffset.Options)
{
SequenceNumber = sequenceNumber;
Code = code;
}
internal static IpV6ExtensionHeaderMobilityHandoverAcknowledgeMessage ParseMessageData(IpV4Protocol nextHeader, ushort checksum, DataSegment messageData)
{
if (messageData.Length < MinimumMessageDataLength)
{
return(null);
}
ushort sequenceNumber = messageData.ReadUShort(MessageDataOffset.SequenceNumber, Endianity.Big);
IpV6MobilityHandoverAcknowledgeCode code = (IpV6MobilityHandoverAcknowledgeCode)messageData[MessageDataOffset.Code];
IpV6MobilityOptions options = new IpV6MobilityOptions(messageData.Subsegment(MessageDataOffset.Options, messageData.Length - MessageDataOffset.Options));
return(new IpV6ExtensionHeaderMobilityHandoverAcknowledgeMessage(nextHeader, checksum, sequenceNumber, code, options));
}
