24 #include "ns3/packet.h"
25 #include "ns3/simulator.h"
26 #include "ns3/ipv6-route.h"
27 #include "ns3/net-device.h"
28 #include "ns3/names.h"
42 .AddConstructor<Ipv6StaticRouting> ()
65 for (i = 0; i <
m_ipv6->GetNInterfaces (); i++)
85 *os <<
"Node: " <<
m_ipv6->GetObject<
Node> ()->GetId ()
87 <<
"Ipv6StaticRouting table" << std::endl;
91 *os <<
"Destination Next Hop Flag Met Ref Use If" << std::endl;
94 std::ostringstream dest, gw, mask, flags;
97 *os << std::setiosflags (std::ios::left) << std::setw (31) << dest.str ();
99 *os << std::setiosflags (std::ios::left) << std::setw (27) << gw.str ();
109 *os << std::setiosflags (std::ios::left) << std::setw (5) << flags.str ();
110 *os << std::setiosflags (std::ios::left) << std::setw (4) <<
GetMetric (j);
130 NS_LOG_FUNCTION (
this << dst << nextHop << interface << prefixToUse << metric);
133 NS_LOG_WARN (
"Ipv6StaticRouting::AddHostRouteTo - Next hop should be link-local");
147 NS_LOG_FUNCTION (
this << network << networkPrefix << nextHop << interface << metric);
155 NS_LOG_FUNCTION (
this << network << networkPrefix << nextHop << interface << prefixToUse << metric);
158 NS_LOG_WARN (
"Ipv6StaticRouting::AddNetworkRouteTo - Next hop should be link-local");
284 uint16_t longestMask = 0;
285 uint32_t shortestMetric = 0xffffffff;
290 NS_ASSERT_MSG (interface,
"Try to send on link-local multicast address, and no interface index is given!");
291 rtentry = Create<Ipv6Route> ();
292 rtentry->SetSource (
m_ipv6->SourceAddressSelection (
m_ipv6->GetInterfaceForDevice (interface), dst));
293 rtentry->SetDestination (dst);
295 rtentry->SetOutputDevice (interface);
302 uint32_t metric = it->second;
307 NS_LOG_LOGIC (
"Searching for route to " << dst <<
", mask length " << maskLen <<
", metric " << metric);
311 NS_LOG_LOGIC (
"Found global network route " << *j <<
", mask length " << maskLen <<
", metric " << metric);
316 if (maskLen < longestMask)
322 if (maskLen > longestMask)
324 shortestMetric = 0xffffffff;
327 longestMask = maskLen;
328 if (metric > shortestMetric)
330 NS_LOG_LOGIC (
"Equal mask length, but previous metric shorter, skipping");
334 shortestMetric = metric;
337 rtentry = Create<Ipv6Route> ();
341 rtentry->SetSource (
m_ipv6->SourceAddressSelection (interfaceIdx, route->
GetDest ()));
349 rtentry->SetSource (
m_ipv6->SourceAddressSelection (interfaceIdx, route->
GetGateway ()));
352 rtentry->SetDestination (route->
GetDest ());
354 rtentry->SetOutputDevice (
m_ipv6->GetNetDevice (interfaceIdx));
361 NS_LOG_LOGIC (
"Matching route via " << rtentry->GetDestination () <<
" (Through " << rtentry->GetGateway () <<
") at the end");
408 NS_LOG_LOGIC (
"Find source specific multicast route" << *i);
416 mrtentry = Create<Ipv6MulticastRoute> ();
417 mrtentry->SetGroup (route->
GetGroup ());
418 mrtentry->SetOrigin (route->
GetOrigin ());
444 uint32_t shortestMetric = 0xffffffff;
450 uint32_t metric = it->second;
460 if (metric > shortestMetric)
464 shortestMetric = metric;
586 uint32_t iif =
m_ipv6->GetInterfaceForDevice (idev);
598 mcb (idev, mrtentry, p, header);
614 for (uint32_t j = 0; j <
m_ipv6->GetNInterfaces (); j++)
616 for (uint32_t i = 0; i <
m_ipv6->GetNAddresses (j); i++)
624 NS_LOG_LOGIC (
"For me (destination " << addr <<
" match)");
630 lcb (p, header, iif);
637 if (
m_ipv6->IsForwarding (iif) ==
false)
639 NS_LOG_LOGIC (
"Forwarding disabled for this interface");
649 NS_LOG_LOGIC (
"Found unicast destination- calling unicast callback");
650 ucb (idev, rtentry, p, header);
655 NS_LOG_LOGIC (
"Did not find unicast destination- returning false");
662 for (uint32_t j = 0; j <
m_ipv6->GetNAddresses (i); j++)
675 m_ipv6->GetAddress (i, j).GetPrefix (), i);
688 if (it->first->GetInterface () == i)
702 if (!
m_ipv6->IsUp (interface))
718 if (!
m_ipv6->IsUp (interface))
730 if (it->first->GetInterface () == interface
731 && it->first->IsNetwork ()
732 && it->first->GetDestNetwork () == networkAddress
733 && it->first->GetDestNetworkPrefix () == networkMask)
747 NS_LOG_INFO (
this << dst << mask << nextHop << interface << prefixToUse);
777 if (dst == entry && prefix == mask && rtentry->
GetInterface () == interface)
bool IsMatch(Ipv6Address a, Ipv6Address b) const
If the Address match the type.
bool IsAny() const
If the IPv6 address is the "Any" address.
static const uint32_t MAX_TTL
Maximum Time-To-Live (TTL).
smart pointer class similar to boost::intrusive_ptr
#define NS_LOG_FUNCTION(parameters)
If log level LOG_FUNCTION is enabled, this macro will output all input parameters separated by "...
Ipv6Address GetPrefixToUse() const
Get the prefix to use (for multihomed link).
virtual ~Ipv6StaticRouting()
NetworkRoutes m_networkRoutes
the forwarding table for network.
bool RemoveMulticastRoute(Ipv6Address origin, Ipv6Address group, uint32_t inputInterface)
Remove a static multicast route.
bool IsLinkLocalMulticast() const
If the IPv6 address is link-local multicast (ff02::/16).
Ipv6Prefix GetDestNetworkPrefix() const
Get the destination prefix.
#define NS_OBJECT_ENSURE_REGISTERED(type)
Register the class in the ns-3 factory.
static Ipv6RoutingTableEntry CreateNetworkRouteTo(Ipv6Address network, Ipv6Prefix networkPrefix, Ipv6Address nextHop, uint32_t interface)
Create a route to a network.
virtual void NotifyRemoveRoute(Ipv6Address dst, Ipv6Prefix mask, Ipv6Address nextHop, uint32_t interface, Ipv6Address prefixToUse=Ipv6Address::GetZero())
Notify route removing.
virtual void NotifyAddRoute(Ipv6Address dst, Ipv6Prefix mask, Ipv6Address nextHop, uint32_t interface, Ipv6Address prefixToUse=Ipv6Address::GetZero())
Notify a new route.
A record of an IPv6 multicast route.
virtual void SetIpv6(Ptr< Ipv6 > ipv6)
Typically, invoked directly or indirectly from ns3::Ipv6::SetRoutingProtocol.
virtual Ptr< Ipv6Route > RouteOutput(Ptr< Packet > p, const Ipv6Header &header, Ptr< NetDevice > oif, Socket::SocketErrno &sockerr)
Query routing cache for an existing route, for an outbound packet.
uint32_t GetInputInterface() const
Get the input interface address.
bool IsLinkLocal() const
If the IPv6 address is a link-local address (fe80::/64).
std::list< Ipv6MulticastRoutingTableEntry * >::const_iterator MulticastRoutesCI
Const Iterator for container for the multicast routes.
#define NS_ASSERT(condition)
At runtime, in debugging builds, if this condition is not true, the program prints the source file...
#define NS_LOG_COMPONENT_DEFINE(name)
Define a Log component with a specific name.
IPv6 address associated with an interface.
bool IsEqual(const Ipv6Address &other) const
Comparison operation between two Ipv6Addresses.
virtual void DoDispose(void)
This method is called by Object::Dispose or by the object's destructor, whichever comes first...
#define NS_LOG_INFO(msg)
Use NS_LOG to output a message of level LOG_INFO.
#define NS_LOG_FUNCTION_NOARGS()
Output the name of the function.
std::list< std::pair< Ipv6RoutingTableEntry *, uint32_t > >::iterator NetworkRoutesI
Iterator for container for the network routes.
uint32_t GetNOutputInterfaces() const
Get the number of output interfaces of this route.
static Ipv6MulticastRoutingTableEntry CreateMulticastRoute(Ipv6Address origin, Ipv6Address group, uint32_t inputInterface, std::vector< uint32_t > outputInterfaces)
Create a multicast route.
static Ipv6Prefix GetZero()
Get the zero prefix ( /0).
SocketErrno
Enumeration of the possible errors returned by a socket.
virtual void PrintRoutingTable(Ptr< OutputStreamWrapper > stream) const
Print the Routing Table entries.
uint32_t GetNMulticastRoutes() const
Get the number of entries in the multicast routing table.
void AddHostRouteTo(Ipv6Address dest, Ipv6Address nextHop, uint32_t interface, Ipv6Address prefixToUse=Ipv6Address("::"), uint32_t metric=0)
Add route to host.
static TypeId GetTypeId()
The interface Id associated with this class.
double GetSeconds(void) const
Get an approximation of the time stored in this instance in the indicated unit.
Ipv6Address GetDestNetwork() const
Get the destination network.
Ipv6Address GetAddress() const
Get the IPv6 address.
A record of an IPv6 route.
Ptr< Ipv6 > m_ipv6
Ipv6 reference.
uint32_t GetMetric(uint32_t index) const
Get a metric for route from the static unicast routing table.
virtual void NotifyInterfaceDown(uint32_t interface)
Notify when specified interface goes DOWN.
Ptr< Ipv6Route > LookupStatic(Ipv6Address dest, Ptr< NetDevice >=0)
Lookup in the forwarding table for destination.
static Ipv6Address GetZero()
Get the 0 (::) Ipv6Address.
void AddMulticastRoute(Ipv6Address origin, Ipv6Address group, uint32_t inputInterface, std::vector< uint32_t > outputInterfaces)
Add a multicast route for a given multicast source and group.
virtual void NotifyRemoveAddress(uint32_t interface, Ipv6InterfaceAddress address)
Notify when specified interface add an address.
Ipv6Address GetOrigin() const
Get the source of this route.
bool IsHost() const
Is the route entry correspond to a host ?
void AddNetworkRouteTo(Ipv6Address network, Ipv6Prefix networkPrefix, Ipv6Address nextHop, uint32_t interface, uint32_t metric=0)
Add route to network.
Ipv6Prefix GetPrefix() const
Get the IPv6 prefix.
virtual bool RouteInput(Ptr< const Packet > p, const Ipv6Header &header, Ptr< const NetDevice > idev, UnicastForwardCallback ucb, MulticastForwardCallback mcb, LocalDeliverCallback lcb, ErrorCallback ecb)
Route an input packet (to be forwarded or locally delivered)
virtual void NotifyInterfaceUp(uint32_t interface)
Notify when specified interface goes UP.
#define NS_LOG_LOGIC(msg)
Use NS_LOG to output a message of level LOG_LOGIC.
uint32_t GetOutputInterface(uint32_t n) const
Get a specified output interface.
static const uint32_t IF_ANY
Any interface magic number.
Ipv6RoutingTableEntry GetDefaultRoute()
Get the default route.
bool IsMulticast() const
If the IPv6 address is multicast (ff00::/8).
Ipv6Address GetGateway() const
Get the gateway.
static Time Now(void)
Return the "current simulation time".
uint32_t GetInterface() const
Get the interface index.
Ipv6RoutingTableEntry GetRoute(uint32_t i) const
Get a specified route.
#define NS_ASSERT_MSG(condition, message)
At runtime, in debugging builds, if this condition is not true, the program prints the message to out...
Describes an IPv6 address.
void RemoveRoute(uint32_t i)
Remove a route from the routing table.
void SetDefaultRoute(Ipv6Address nextHop, uint32_t interface, Ipv6Address prefixToUse=Ipv6Address("::"), uint32_t metric=0)
Set the default route.
Ipv6Address GetGroup() const
Get the group.
static Ipv6Prefix GetOnes()
Get the "all-1" IPv6 mask (ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff).
#define NS_LOG_WARN(msg)
Use NS_LOG to output a message of level LOG_WARN.
Ipv6Address GetDest() const
Get the destination.
virtual void DoDispose()
Dispose this object.
void SetDefaultMulticastRoute(uint32_t outputInterface)
Set the default multicast route.
static std::string FindName(Ptr< Object > object)
Given a pointer to an object, look to see if that object has a name associated with it and...
virtual void NotifyAddAddress(uint32_t interface, Ipv6InterfaceAddress address)
Notify when specified interface add an address.
std::list< std::pair< Ipv6RoutingTableEntry *, uint32_t > >::const_iterator NetworkRoutesCI
Const Iterator for container for the network routes.
Describes an IPv6 prefix.
bool IsGateway() const
Is it the gateway ?
uint8_t GetPrefixLength() const
Get prefix length.
MulticastRoutes m_multicastRoutes
the forwarding table for multicast.
uint32_t GetNRoutes() const
Get the number or entries in the routing table.
Ipv6MulticastRoutingTableEntry GetMulticastRoute(uint32_t i) const
Get the specified multicast route.
Ipv6Address CombinePrefix(Ipv6Prefix const &prefix)
Combine this address with a prefix.
Abstract base class for Ipv6 routing protocols.
a unique identifier for an interface.
TypeId SetParent(TypeId tid)
std::ostream * GetStream(void)
Return a pointer to an ostream previously set in the wrapper.
bool HasNetworkDest(Ipv6Address dest, uint32_t interfaceIndex)
If the destination is already present in network destination list.
std::list< Ipv6MulticastRoutingTableEntry * >::iterator MulticastRoutesI
Iterator for container for the multicast routes.