Helper class to auto-assign global IPv6 unicast addresses. More...

#include <ipv6-address-helper.h>

Public Member Functions
	Ipv6AddressHelper ()
	Constructor. More...

	Ipv6AddressHelper (Ipv6Address network, Ipv6Prefix prefix, Ipv6Address base=Ipv6Address("::1"))
	Constructor. More...

Ipv6InterfaceContainer	Assign (const NetDeviceContainer &c)
	Allocate an Ipv6InterfaceContainer with auto-assigned addresses. More...

Ipv6InterfaceContainer	Assign (const NetDeviceContainer &c, std::vector< bool > withConfiguration)
	Allocate an Ipv6InterfaceContainer, and control whether the interfaces have addresses auto-assigned to them. More...

Ipv6InterfaceContainer	AssignWithoutAddress (const NetDeviceContainer &c)
	Allocate an Ipv6InterfaceContainer but do not assign any IPv6 addresses. More...

Ipv6Address	NewAddress (Address addr)
	Allocate a new Ipv6Address. More...

Ipv6Address	NewAddress (void)
	Allocate a new Ipv6Address with interface ID equal to the next one in the underlying generator. More...

void	NewNetwork (Ipv6Address network, Ipv6Prefix prefix) NS_DEPRECATED
	Allocate a new network. More...

void	NewNetwork (void)
	Allocate a new network. More...

void	SetBase (Ipv6Address network, Ipv6Prefix prefix, Ipv6Address base=Ipv6Address("::1"))
	Set the base network number, network prefix, and base interface ID. More...

Detailed Description

Helper class to auto-assign global IPv6 unicast addresses.

Assign global unicast IPv6 addresses based on RFC 4291 definition.

11111111111111111111111111000000000000 <—prefix of length n—>

This class handles the following quantities. 1) The "network" which covers the 64 bit union of the global routing prefix and the subnet ID 2) the "prefix" length "n" which demarcates the global routing prefix and the subnet ID 3) the "base" which is the initial 64-bit interface ID.

The names "network", "prefix" and "base" are chosen to be consistent with a similar address helper for IPv4.

This helper class allows users to set or reset the network and interface components, and call "NewAddress ()" to sequentially increment the interface ID, and call "NewNetwork ()" to allocate a new subnet (until the subnet ID quantity rolls over). A call to NewNetwork () that causes the subnet ID to roll over will trigger an assertion.

By default, the prefix is 32 bits and the network is '2001:db8::/32' (RFC 5156 section 2.6 Documentation prefix). The prefix may range from length 0 to 64, with the value 64 having a special meaning that no subnet ID boundary is enforced (equivalent to value 0).

There are two variants of interface ID supported (RFC 4291, Sec. 2.5.1) The default is a "local" scope, but a "universal" scoped ID may be formed by calling "NewAddress (Address addr)" with a 48-bit MAC address. If this method is called, the addressed returned will include a modified EUI-64-format identifier created from the MAC address as specified in RFC 4291.

BEWARE: the underlying implementation acts as a Singleton. In other terms, two different instances of Ipv6AddressHelper will pick IPv6 numbers from the same pool. Changing the network in one of them will also change the network in the other instances.

Definition at line 82 of file ipv6-address-helper.h.

Constructor & Destructor Documentation

ns3::Ipv6AddressHelper::Ipv6AddressHelper ( )

Constructor.

Definition at line 39 of file ipv6-address-helper.cc.

References ns3::Ipv6AddressGenerator::Init(), and NS_LOG_FUNCTION.

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ns3::Ipv6AddressHelper::Ipv6AddressHelper	(	Ipv6Address	network,
		Ipv6Prefix	prefix,
		Ipv6Address	base = `Ipv6Address ("::1")`
	)

Constructor.

Parameters

network	The IPv6 network
prefix	The prefix
base	The base interface ID

Definition at line 45 of file ipv6-address-helper.cc.

References ns3::Ipv6AddressGenerator::Init(), and NS_LOG_FUNCTION.

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Member Function Documentation

Ipv6InterfaceContainer ns3::Ipv6AddressHelper::Assign ( const NetDeviceContainer & c )

Allocate an Ipv6InterfaceContainer with auto-assigned addresses.

Parameters

c	netdevice container

Returns: newly created Ipv6InterfaceContainer

Definition at line 119 of file ipv6-address-helper.cc.

References ns3::Ipv6InterfaceContainer::Add(), ns3::NetDeviceContainer::Get(), ns3::NetDeviceContainer::GetN(), ns3::Object::GetObject(), NewAddress(), NS_ASSERT_MSG, and NS_LOG_FUNCTION.

Referenced by ns3::PointToPointStarHelper::AssignIpv6Addresses(), ns3::PointToPointGridHelper::AssignIpv6Addresses(), ns3::CsmaStarHelper::AssignIpv6Addresses(), ns3::PointToPointDumbbellHelper::AssignIpv6Addresses(), ns3::BriteTopologyHelper::AssignIpv6Addresses(), AssignWithoutAddress(), IpAddressHelperTestCasev6::DoRun(), Ipv6RipngTest::DoRun(), Ipv6RipngCountToInfinityTest::DoRun(), Ipv6RipngSplitHorizonStrategyTest::DoRun(), and main().

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Ipv6InterfaceContainer ns3::Ipv6AddressHelper::Assign	(	const NetDeviceContainer &	c,
		std::vector< bool >	withConfiguration
	)

Allocate an Ipv6InterfaceContainer, and control whether the interfaces have addresses auto-assigned to them.

Parameters

c	netdevice container
withConfiguration	a vector of values for which, for a given device, true : interface automatically addressed, false : no automatic address

Returns: newly created Ipv6InterfaceContainer

Definition at line 153 of file ipv6-address-helper.cc.

References ns3::Ipv6InterfaceContainer::Add(), ns3::NetDeviceContainer::Get(), ns3::NetDeviceContainer::GetN(), ns3::Object::GetObject(), NewAddress(), NS_ASSERT_MSG, and NS_LOG_FUNCTION.

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Ipv6InterfaceContainer ns3::Ipv6AddressHelper::AssignWithoutAddress ( const NetDeviceContainer & c )

Allocate an Ipv6InterfaceContainer but do not assign any IPv6 addresses.

This method is used when IPv6 address assignment may occur later (such as dynamic address assignment)

Equivalent to AssignWithoutAddress (c, std::vector<bool> of false);

Parameters

c	netdevice container

Returns: newly created Ipv6InterfaceContainer

Definition at line 190 of file ipv6-address-helper.cc.

References Assign(), ns3::NetDeviceContainer::GetN(), and NS_LOG_FUNCTION.

Referenced by Ipv6RipngTest::DoRun(), Ipv6RipngCountToInfinityTest::DoRun(), Ipv6RipngSplitHorizonStrategyTest::DoRun(), and main().

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Ipv6Address ns3::Ipv6AddressHelper::NewAddress ( Address addr )

Allocate a new Ipv6Address.

If a Mac48Address is passed in, an Ipv6 autoconfigured address according to the current subnet prefix is returned. If something other than Mac48 address is passed in, the program will terminate.

Parameters

addr	address used to generate the interface ID of the IPv6 address

Returns: newly created Ipv6Address

Definition at line 62 of file ipv6-address-helper.cc.

References ns3::Ipv6AddressGenerator::AddAllocated(), first::address, ns3::Mac16Address::ConvertFrom(), ns3::Mac64Address::ConvertFrom(), ns3::Mac48Address::ConvertFrom(), ns3::Ipv6AddressGenerator::GetNetwork(), ns3::Mac16Address::IsMatchingType(), ns3::Mac64Address::IsMatchingType(), ns3::Mac48Address::IsMatchingType(), ns3::Ipv6Address::MakeAutoconfiguredAddress(), NS_FATAL_ERROR, and NS_LOG_FUNCTION.

Referenced by IpAddressHelperTestCasev6::DoRun(), and main().

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Ipv6Address ns3::Ipv6AddressHelper::NewAddress ( void )

Allocate a new Ipv6Address with interface ID equal to the next one in the underlying generator.

Returns: newly created Ipv6Address

Definition at line 94 of file ipv6-address-helper.cc.

References ns3::Ipv6AddressGenerator::NextAddress(), and NS_LOG_FUNCTION.

Referenced by Assign().

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void ns3::Ipv6AddressHelper::NewNetwork	(	Ipv6Address	network,
		Ipv6Prefix	prefix
	)

Allocate a new network.

This method will reset the network for future network IDs, and resets the interface ID to the previously used base.

Parameters

network	The IPv6 network
prefix	The prefix

Deprecated:

Definition at line 107 of file ipv6-address-helper.cc.

References NS_LOG_FUNCTION, and SetBase().

Referenced by ns3::BriteTopologyHelper::AssignIpv6Addresses(), and IpAddressHelperTestCasev6::DoRun().

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void ns3::Ipv6AddressHelper::NewNetwork ( void )

Allocate a new network.

This method will cause the subnet prefix to increment, for future network IDs, and resets the interface ID to the previously used base.

Definition at line 113 of file ipv6-address-helper.cc.

References ns3::Ipv6AddressGenerator::NextNetwork(), and NS_LOG_FUNCTION.

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void ns3::Ipv6AddressHelper::SetBase	(	Ipv6Address	network,
		Ipv6Prefix	prefix,
		Ipv6Address	base = `Ipv6Address ("::1")`
	)

Set the base network number, network prefix, and base interface ID.

Parameters

network	The IPv6 network
prefix	The prefix
base	The base interface ID

Todo:: for now we do not enforce the prefix because the underlying Ipv6AddressGenerator does not handle prefixes well that are not 64 bits

Definition at line 52 of file ipv6-address-helper.cc.

References ns3::Ipv6AddressGenerator::Init(), and NS_LOG_FUNCTION.

Referenced by ns3::PointToPointStarHelper::AssignIpv6Addresses(), ns3::PointToPointGridHelper::AssignIpv6Addresses(), ns3::CsmaStarHelper::AssignIpv6Addresses(), ns3::PointToPointDumbbellHelper::AssignIpv6Addresses(), IpAddressHelperTestCasev6::DoRun(), Ipv6RipngTest::DoRun(), Ipv6RipngCountToInfinityTest::DoRun(), Ipv6RipngSplitHorizonStrategyTest::DoRun(), main(), and NewNetwork().

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The documentation for this class was generated from the following files:

src/internet/helper/ipv6-address-helper.h
src/internet/helper/ipv6-address-helper.cc

Public Member Functions

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation