private static IpV6MobilityOption CreateOption(IpV6MobilityOptionType optionType, DataSegment data)
{
IpV6MobilityOption prototype;
if (!_prototypes.TryGetValue(optionType, out prototype))
{
return(new IpV6MobilityOptionUnknown(optionType, data));
}
return(prototype.CreateInstance(data));
}
private static Tuple <IList <IpV6MobilityOption>, bool> Read(DataSegment data)
{
int offset = 0;
List <IpV6MobilityOption> options = new List <IpV6MobilityOption>();
bool isValid = true;
while (offset < data.Length)
{
IpV6MobilityOptionType optionType = (IpV6MobilityOptionType)data[offset++];
if (optionType == IpV6MobilityOptionType.Pad1)
{
options.Add(new IpV6MobilityOptionPad1());
continue;
}
if (offset >= data.Length)
{
isValid = false;
break;
}
byte optionDataLength = data[offset++];
if (offset + optionDataLength > data.Length)
{
isValid = false;
break;
}
IpV6MobilityOption option = CreateOption(optionType, data.Subsegment(ref offset, optionDataLength));
if (option == null)
{
isValid = false;
break;
}
if (!option.IsValid)
{
isValid = false;
}
options.Add(option);
}
return(new Tuple <IList <IpV6MobilityOption>, bool>(options, isValid));
}
internal IpV6MobilityOptionNetworkPrefix(IpV6MobilityOptionType type, byte prefixLength, IpV6Address networkPrefix)
: base(type)
{
PrefixLength = prefixLength;
NetworkPrefix = networkPrefix;
}
internal IpV6MobilityOptionIpV4Address(IpV6MobilityOptionType type, IpV4Address address)
: base(type)
{
Address = address;
}
protected IpV6MobilityOptionComplex(IpV6MobilityOptionType type)
: base(type)
{
}
internal IpV6MobilityOptionULong(IpV6MobilityOptionType type, ulong value)
: base(type)
{
Value = value;
}
internal IpV6MobilityOptionNetworkPrefix(IpV6MobilityOptionType type, byte prefixLength, IpV6Address networkPrefix)
: base(type)
{
PrefixLength = prefixLength;
NetworkPrefix = networkPrefix;
}
internal IpV6MobilityOptionIpV4Address(IpV6MobilityOptionType type, IpV4Address address)
: base(type)
{
Address = address;
}
/// <summary>
/// Creates an instance from type and data.
/// </summary>
/// <param name="type">The type of the option.</param>
/// <param name="data">The data of the option.</param>
public IpV6MobilityOptionUnknown(IpV6MobilityOptionType type, DataSegment data)
: base(type, data)
{
}
internal IpV6MobilityOption(IpV6MobilityOptionType type)
{
OptionType = type;
}
internal IpV6MobilityOptionSingleDataSegmentField(IpV6MobilityOptionType type, DataSegment value)
: base(type)
{
Value = value;
}
internal IpV6MobilityOptionComplex(IpV6MobilityOptionType type)
: base(type)
{
}
internal IpV6MobilityOptionComplex(IpV6MobilityOptionType type)
: base(type)
{
}
protected IpV6MobilityOption(IpV6MobilityOptionType type)
{
OptionType = type;
}
/// <summary>
/// Creates an instance from type and data.
/// </summary>
/// <param name="type">The type of the option.</param>
/// <param name="data">The data of the option.</param>
public IpV6MobilityOptionUnknown(IpV6MobilityOptionType type, DataSegment data)
: base(type, data)
{
}
protected IpV6MobilityOption(IpV6MobilityOptionType type)
{
OptionType = type;
}
internal IpV6MobilityOptionReservedByteValueByte(IpV6MobilityOptionType type, byte value)
: base(type)
{
Value = value;
}
internal IpV6MobilityOptionSingleDataSegmentField(IpV6MobilityOptionType type, DataSegment value)
: base(type)
{
Value = value;
}
internal IpV6MobilityOptionULong(IpV6MobilityOptionType type, ulong value)
: base(type)
{
Value = value;
}
internal IpV6MobilityOptionReservedByteValueByte(IpV6MobilityOptionType type, byte value)
: base(type)
{
Value = value;
}
public IpV6MobilityOptionTypeRegistrationAttribute(IpV6MobilityOptionType optionType)
{
OptionType = optionType;
}
public static IpV6MobilityOption NextIpV6MobilityOption(this Random random)
{
IpV6MobilityOptionType optionType = random.NextEnum <IpV6MobilityOptionType>();
switch (optionType)
{
case IpV6MobilityOptionType.Pad1:
return(new IpV6MobilityOptionPad1());
case IpV6MobilityOptionType.PadN:
return(new IpV6MobilityOptionPadN(random.NextInt(0, 10)));
case IpV6MobilityOptionType.BindingRefreshAdvice:
return(new IpV6MobilityOptionBindingRefreshAdvice(random.NextUShort()));
case IpV6MobilityOptionType.AlternateCareOfAddress:
return(new IpV6MobilityOptionAlternateCareOfAddress(random.NextIpV6Address()));
case IpV6MobilityOptionType.NonceIndexes:
return(new IpV6MobilityOptionNonceIndexes(random.NextUShort(), random.NextUShort()));
case IpV6MobilityOptionType.BindingAuthorizationData:
return(new IpV6MobilityOptionBindingAuthorizationData(random.NextDataSegment(random.NextInt(0, 100))));
case IpV6MobilityOptionType.MobileNetworkPrefix:
return(new IpV6MobilityOptionMobileNetworkPrefix(random.NextByte(), random.NextIpV6Address()));
case IpV6MobilityOptionType.LinkLayerAddress:
return(new IpV6MobilityOptionLinkLayerAddress(random.NextEnum <IpV6MobilityLinkLayerAddressCode>(),
random.NextDataSegment(random.NextInt(0, 100))));
case IpV6MobilityOptionType.MobileNodeIdentifier:
IpV6MobileNodeIdentifierSubtype mobileNodeIdentifierSubtype = random.NextEnum <IpV6MobileNodeIdentifierSubtype>();
return(new IpV6MobilityOptionMobileNodeIdentifier(
mobileNodeIdentifierSubtype,
random.NextDataSegment(random.NextInt(mobileNodeIdentifierSubtype == IpV6MobileNodeIdentifierSubtype.NetworkAccessIdentifier ? 1 : 0,
100))));
case IpV6MobilityOptionType.Authentication:
return(new IpV6MobilityOptionAuthentication(random.NextEnum <IpV6AuthenticationSubtype>(), random.NextUInt(),
random.NextDataSegment(random.NextInt(0, 100))));
case IpV6MobilityOptionType.ReplayProtection:
return(new IpV6MobilityOptionReplayProtection(random.NextULong()));
case IpV6MobilityOptionType.CryptographicallyGeneratedAddressParametersRequest:
return(new IpV6MobilityOptionCryptographicallyGeneratedAddressParametersRequest());
case IpV6MobilityOptionType.CryptographicallyGeneratedAddressParameters:
return(new IpV6MobilityOptionCryptographicallyGeneratedAddressParameters(random.NextDataSegment(random.NextInt(0, 100))));
case IpV6MobilityOptionType.Signature:
return(new IpV6MobilityOptionSignature(random.NextDataSegment(random.NextInt(0, 100))));
case IpV6MobilityOptionType.PermanentHomeKeygenToken:
return(new IpV6MobilityOptionPermanentHomeKeygenToken(random.NextDataSegment(random.NextInt(0, 100))));
case IpV6MobilityOptionType.CareOfTestInit:
return(new IpV6MobilityOptionCareOfTestInit());
case IpV6MobilityOptionType.CareOfTest:
return(new IpV6MobilityOptionCareOfTest(random.NextULong()));
case IpV6MobilityOptionType.DnsUpdate:
return(new IpV6MobilityOptionDnsUpdate(random.NextEnum <IpV6DnsUpdateStatus>(), random.NextBool(),
random.NextDataSegment(random.NextInt(0, 100))));
case IpV6MobilityOptionType.Experimental:
return(new IpV6MobilityOptionExperimental(random.NextDataSegment(random.NextInt(0, 100))));
case IpV6MobilityOptionType.VendorSpecific:
return(new IpV6MobilityOptionVendorSpecific(random.NextUInt(), random.NextByte(), random.NextDataSegment(random.NextInt(0, 100))));
case IpV6MobilityOptionType.ServiceSelection:
return(new IpV6MobilityOptionServiceSelection(random.NextDataSegment(random.NextInt(1, 100))));
case IpV6MobilityOptionType.BindingAuthorizationDataForFmIpV6:
return(new IpV6MobilityOptionBindingAuthorizationDataForFmIpV6(random.NextUInt(), random.NextDataSegment(random.NextInt(0, 100))));
case IpV6MobilityOptionType.HomeNetworkPrefix:
return(new IpV6MobilityOptionHomeNetworkPrefix(random.NextByte(), random.NextIpV6Address()));
case IpV6MobilityOptionType.HandoffIndicator:
return(new IpV6MobilityOptionHandoffIndicator(random.NextEnum <IpV6HandoffIndicator>()));
case IpV6MobilityOptionType.AccessTechnologyType:
return(new IpV6MobilityOptionAccessTechnologyType(random.NextEnum <IpV6AccessTechnologyType>()));
case IpV6MobilityOptionType.MobileNodeLinkLayerIdentifier:
return(new IpV6MobilityOptionMobileNodeLinkLayerIdentifier(random.NextDataSegment(random.NextInt(0, 100))));
case IpV6MobilityOptionType.LinkLocalAddress:
return(new IpV6MobilityOptionLinkLocalAddress(random.NextIpV6Address()));
case IpV6MobilityOptionType.Timestamp:
return(new IpV6MobilityOptionTimestamp(random.NextULong() % (500000000000L << 16)));
case IpV6MobilityOptionType.RestartCounter:
return(new IpV6MobilityOptionRestartCounter(random.NextUInt()));
case IpV6MobilityOptionType.IpV4HomeAddress:
return(new IpV6MobilityOptionIpV4HomeAddress(random.NextByte(IpV6MobilityOptionIpV4HomeAddress.MaxPrefixLength + 1), random.NextBool(),
random.NextIpV4Address()));
case IpV6MobilityOptionType.IpV4AddressAcknowledgement:
return(new IpV6MobilityOptionIpV4AddressAcknowledgement(random.NextEnum <IpV6AddressAcknowledgementStatus>(),
random.NextByte(IpV6MobilityOptionIpV4AddressAcknowledgement.MaxPrefixLength + 1),
random.NextIpV4Address()));
case IpV6MobilityOptionType.NatDetection:
return(new IpV6MobilityOptionNatDetection(random.NextBool(), random.NextUInt()));
case IpV6MobilityOptionType.IpV4CareOfAddress:
return(new IpV6MobilityOptionIpV4CareOfAddress(random.NextIpV4Address()));
case IpV6MobilityOptionType.GreKey:
return(new IpV6MobilityOptionGreKey(random.NextUInt()));
case IpV6MobilityOptionType.IpV6AddressPrefix:
return(new IpV6MobilityOptionIpV6AddressPrefix(random.NextEnum <IpV6MobilityIpV6AddressPrefixCode>(),
random.NextByte(IpV6MobilityOptionIpV6AddressPrefix.MaxPrefixLength + 1),
random.NextIpV6Address()));
case IpV6MobilityOptionType.BindingIdentifier:
ushort bindingId = random.NextUShort();
IpV6BindingAcknowledgementStatus status = random.NextEnum <IpV6BindingAcknowledgementStatus>();
bool simultaneousHomeAndForeignBinding = random.NextBool();
byte priority = random.NextByte(IpV6MobilityOptionBindingIdentifier.MaxPriority + 1);
if (random.NextBool(3))
{
return(new IpV6MobilityOptionBindingIdentifier(bindingId, status, simultaneousHomeAndForeignBinding, priority));
}
if (random.NextBool())
{
return(new IpV6MobilityOptionBindingIdentifier(bindingId, status, simultaneousHomeAndForeignBinding, priority, random.NextIpV4Address()));
}
return(new IpV6MobilityOptionBindingIdentifier(bindingId, status, simultaneousHomeAndForeignBinding, priority, random.NextIpV6Address()));
case IpV6MobilityOptionType.IpV4HomeAddressRequest:
return(new IpV6MobilityOptionIpV4HomeAddressRequest(random.NextByte(IpV6MobilityOptionIpV4HomeAddressRequest.MaxPrefixLength + 1),
random.NextIpV4Address()));
case IpV6MobilityOptionType.IpV4HomeAddressReply:
return(new IpV6MobilityOptionIpV4HomeAddressReply(random.NextEnum <IpV6IpV4HomeAddressReplyStatus>(),
random.NextByte(IpV6MobilityOptionIpV4HomeAddressReply.MaxPrefixLength + 1),
random.NextIpV4Address()));
case IpV6MobilityOptionType.IpV4DefaultRouterAddress:
return(new IpV6MobilityOptionIpV4DefaultRouterAddress(random.NextIpV4Address()));
case IpV6MobilityOptionType.IpV4DhcpSupportMode:
return(new IpV6MobilityOptionIpV4DhcpSupportMode(random.NextBool()));
case IpV6MobilityOptionType.ContextRequest:
return
(new IpV6MobilityOptionContextRequest(
((Func <IpV6MobilityOptionContextRequestEntry>)(() => new IpV6MobilityOptionContextRequestEntry(
random.NextByte(), random.NextDataSegment(random.NextInt(0, 25))))).
GenerateArray(random.NextInt(0, 10))));
case IpV6MobilityOptionType.LocalMobilityAnchorAddress:
if (random.NextBool())
{
return(new IpV6MobilityOptionLocalMobilityAnchorAddress(random.NextIpV4Address()));
}
return(new IpV6MobilityOptionLocalMobilityAnchorAddress(random.NextIpV6Address()));
case IpV6MobilityOptionType.MobileNodeLinkLocalAddressInterfaceIdentifier:
return(new IpV6MobilityOptionMobileNodeLinkLocalAddressInterfaceIdentifier(random.NextULong()));
case IpV6MobilityOptionType.TransientBinding:
return(new IpV6MobilityOptionTransientBinding(random.NextBool(), random.NextByte()));
case IpV6MobilityOptionType.FlowSummary:
return(new IpV6MobilityOptionFlowSummary(((Func <ushort>)(random.NextUShort)).GenerateArray(random.NextInt(1, 10))));
case IpV6MobilityOptionType.FlowIdentification:
return(new IpV6MobilityOptionFlowIdentification(random.NextUShort(), random.NextUShort(), random.NextEnum <IpV6FlowIdentificationStatus>(),
random.NextIpV6FlowIdentificationSubOptions()));
case IpV6MobilityOptionType.RedirectCapability:
return(new IpV6MobilityOptionRedirectCapability());
case IpV6MobilityOptionType.Redirect:
if (random.NextBool())
{
return(new IpV6MobilityOptionRedirect(random.NextIpV4Address()));
}
return(new IpV6MobilityOptionRedirect(random.NextIpV6Address()));
case IpV6MobilityOptionType.LoadInformation:
return(new IpV6MobilityOptionLoadInformation(random.NextUShort(), random.NextUInt(), random.NextUInt(), random.NextUInt(), random.NextUInt()));
case IpV6MobilityOptionType.AlternateIpV4CareOfAddress:
return(new IpV6MobilityOptionAlternateIpV4CareOfAddress(random.NextIpV4Address()));
case IpV6MobilityOptionType.MobileNodeGroupIdentifier:
return(new IpV6MobilityOptionMobileNodeGroupIdentifier(random.NextEnum <IpV6MobileNodeGroupIdentifierSubtype>(), random.NextUInt()));
case IpV6MobilityOptionType.MobileAccessGatewayIpV6Address:
return(new IpV6MobilityOptionMobileAccessGatewayIpV6Address(random.NextIpV6Address()));
case IpV6MobilityOptionType.AccessNetworkIdentifier:
return(new IpV6MobilityOptionAccessNetworkIdentifier(random.NextIpV6AccessNetworkIdentifierSubOptions()));
default:
throw new InvalidOperationException(string.Format("Invalid optionType value {0}", optionType));
}
}
protected IpV6MobilityOptionComplex(IpV6MobilityOptionType type)
: base(type)
{
}
public IpV6MobilityOptionTypeRegistrationAttribute(IpV6MobilityOptionType optionType)
{
OptionType = optionType;
}
internal IpV6MobilityOptionEmpty(IpV6MobilityOptionType type)
: base(type)
{
}
internal IpV6MobilityOptionEmpty(IpV6MobilityOptionType type)
: base(type)
{
}
