24 #include "ns3/abort.h"
25 #include "ns3/assert.h"
26 #include "ns3/unused.h"
27 #include "ns3/random-variable-stream.h"
28 #include "ns3/ipv6-route.h"
30 #include "ns3/names.h"
31 #include "ns3/ripng-header.h"
32 #include "ns3/udp-header.h"
34 #include "ns3/ipv6-packet-info-tag.h"
36 #define RIPNG_ALL_NODE "ff02::9"
37 #define RIPNG_PORT 521
48 : m_ipv6 (0), m_splitHorizonStrategy (
RipNg::POISON_REVERSE), m_initialized (false)
50 m_rng = CreateObject<UniformRandomVariable> ();
62 .AddConstructor<RipNg> ()
63 .AddAttribute (
"UnsolicitedRoutingUpdate",
"The time between two Unsolicited Routing Updates.",
67 .AddAttribute (
"StartupDelay",
"Maximum random delay for protocol startup (send route requests).",
71 .AddAttribute (
"TimeoutDelay",
"The delay to invalidate a route.",
75 .AddAttribute (
"GarbageCollectionDelay",
"The delay to delete an expired route.",
79 .AddAttribute (
"MinTriggeredCooldown",
"Min cooldown delay after a Triggered Update.",
83 .AddAttribute (
"MaxTriggeredCooldown",
"Max cooldown delay after a Triggered Update.",
87 .AddAttribute (
"SplitHorizon",
"Split Horizon strategy.",
109 bool addedGlobal =
false;
117 for (uint32_t i = 0 ; i <
m_ipv6->GetNInterfaces (); i++)
119 bool activeInterface =
false;
122 activeInterface =
true;
125 for (uint32_t j = 0; j <
m_ipv6->GetNAddresses (i); j++)
135 int ret = socket->Bind (local);
137 socket->BindToNetDevice (
m_ipv6->GetNetDevice (i));
138 socket->ShutdownRecv ();
139 socket->SetIpv6RecvHopLimit (
true);
156 m_recvSocket->Bind (local);
158 m_recvSocket->SetIpv6RecvHopLimit (
true);
159 m_recvSocket->SetRecvPktInfo (
true);
193 rtentry =
Lookup (destination, oif);
214 uint32_t iif =
m_ipv6->GetInterfaceForDevice (idev);
219 NS_LOG_LOGIC (
"Multicast route not supported by RIPng");
229 for (uint32_t j = 0; j <
m_ipv6->GetNInterfaces (); j++)
231 for (uint32_t i = 0; i <
m_ipv6->GetNAddresses (j); i++)
239 NS_LOG_LOGIC (
"For me (destination " << addr <<
" match)");
245 lcb (p, header, iif);
252 if (
m_ipv6->IsForwarding (iif) ==
false)
254 NS_LOG_LOGIC (
"Forwarding disabled for this interface");
264 NS_LOG_LOGIC (
"Found unicast destination- calling unicast callback");
265 ucb (idev, rtentry, p, header);
270 NS_LOG_LOGIC (
"Did not find unicast destination- returning false");
279 for (uint32_t j = 0; j <
m_ipv6->GetNAddresses (i); j++)
305 bool sendSocketFound =
false;
308 if (iter->second == i)
310 sendSocketFound =
true;
315 bool activeInterface =
false;
318 activeInterface =
true;
321 for (uint32_t j = 0; j <
m_ipv6->GetNAddresses (i); j++)
336 socket->Bind (local);
337 socket->BindToNetDevice (
m_ipv6->GetNetDevice (i));
338 socket->ShutdownRecv ();
339 socket->SetIpv6RecvHopLimit (
true);
355 m_recvSocket->Bind (local);
357 m_recvSocket->SetIpv6RecvHopLimit (
true);
358 m_recvSocket->SetRecvPktInfo (
true);
369 if (it->first->GetInterface () == interface)
377 NS_LOG_INFO (
"Checking socket for interface " << interface);
378 if (iter->second == interface)
380 NS_LOG_INFO (
"Removed socket for interface " << interface);
381 iter->first->Close ();
397 if (!
m_ipv6->IsUp (interface))
422 if (!
m_ipv6->IsUp (interface))
439 if (it->first->GetInterface () == interface
440 && it->first->IsNetwork ()
441 && it->first->GetDestNetwork () == networkAddress
442 && it->first->GetDestNetworkPrefix () == networkMask)
457 NS_LOG_INFO (
this << dst << mask << nextHop << interface << prefixToUse);
475 for (i = 0; i <
m_ipv6->GetNInterfaces (); i++)
494 *os <<
"Node: " <<
m_ipv6->GetObject<
Node> ()->GetId ()
496 <<
"Ipv6 RIPng table" << std::endl;
500 *os <<
"Destination Next Hop Flag Met Ref Use If" << std::endl;
508 std::ostringstream dest, gw, mask, flags;
511 *os << std::setiosflags (std::ios::left) << std::setw (31) << dest.str ();
513 *os << std::setiosflags (std::ios::left) << std::setw (27) << gw.str ();
523 *os << std::setiosflags (std::ios::left) << std::setw (5) << flags.str ();
524 *os << std::setiosflags (std::ios::left) << std::setw (4) << int(route->
GetRouteMetric ());
560 iter->first->Close ();
578 uint16_t longestMask = 0;
583 NS_ASSERT_MSG (interface,
"Try to send on link-local multicast address, and no interface index is given!");
584 rtentry = Create<Ipv6Route> ();
585 rtentry->SetSource (
m_ipv6->SourceAddressSelection (
m_ipv6->GetInterfaceForDevice (interface), dst));
586 rtentry->SetDestination (dst);
588 rtentry->SetOutputDevice (interface);
602 NS_LOG_LOGIC (
"Searching for route to " << dst <<
", mask length " << maskLen);
606 NS_LOG_LOGIC (
"Found global network route " << j <<
", mask length " << maskLen);
611 if (maskLen < longestMask)
617 longestMask = maskLen;
621 rtentry = Create<Ipv6Route> ();
625 rtentry->SetSource (
m_ipv6->SourceAddressSelection (interfaceIdx, route->
GetDest ()));
633 rtentry->SetSource (
m_ipv6->SourceAddressSelection (interfaceIdx, route->
GetDest ()));
636 rtentry->SetDestination (route->
GetDest ());
638 rtentry->SetOutputDevice (
m_ipv6->GetNetDevice (interfaceIdx));
646 NS_LOG_LOGIC (
"Matching route via " << rtentry->GetDestination () <<
" (through " << rtentry->GetGateway () <<
") at the end");
653 NS_LOG_FUNCTION (
this << network << networkPrefix << nextHop << interface << prefixToUse);
657 NS_LOG_WARN (
"Ripng::AddNetworkRouteTo - Next hop should be link-local");
686 if (it->first == route)
691 if (it->second.IsRunning ())
693 it->second.Cancel ();
699 NS_ABORT_MSG (
"Ripng::InvalidateRoute - cannot find the route to update");
708 if (it->first == route)
715 NS_ABORT_MSG (
"Ripng::DeleteRoute - cannot find the route to delete");
729 NS_ABORT_MSG (
"No incoming interface on RIPng message, aborting.");
731 uint32_t incomingIf = interfaceInfo.
GetRecvIf ();
732 Ptr<Node> node = this->GetObject<Node> ();
734 uint32_t ipInterfaceIndex =
m_ipv6->GetInterfaceForDevice (dev);
739 NS_ABORT_MSG (
"No incoming Hop Count on RIPng message, aborting.");
746 NS_ABORT_MSG (
"No incoming sender address on RIPng message, aborting.");
751 int32_t interfaceForAddress =
m_ipv6->GetInterfaceForAddress (senderAddress);
752 if (interfaceForAddress != -1)
767 HandleRequests (hdr, senderAddress, senderPort, ipInterfaceIndex, hopLimit);
778 NS_LOG_FUNCTION (
this << senderAddress <<
int (senderPort) << incomingInterface <<
int (hopLimit) << requestHdr);
780 std::list<RipNgRte> rtes = requestHdr.
GetRteList ();
788 if (rtes.size () == 1 && senderAddress.
IsLinkLocal ())
791 rtes.begin ()->GetPrefixLen () == 0 &&
792 rtes.begin ()->GetRouteMetric () == 16)
802 if (iter->second == incomingInterface)
804 sendingSoket = iter->first;
807 NS_ASSERT_MSG (sendingSoket,
"HandleRequest - Impossible to find a socket to send the reply");
809 uint16_t mtu =
m_ipv6->GetMtu (incomingInterface);
815 tag.SetHopLimit (255);
823 bool splitHorizoning = (rtIter->first->GetInterface () == incomingInterface);
830 (rtIter->first->GetInterface () != incomingInterface));
832 if ((isGlobal || isDefaultRoute) &&
836 rte.
SetPrefix (rtIter->first->GetDestNetwork ());
837 rte.
SetPrefixLen (rtIter->first->GetDestNetworkPrefix ().GetPrefixLength ());
882 if (iter->second == incomingInterface)
884 sendingSoket = iter->first;
896 tag.SetHopLimit (255);
902 for (std::list<RipNgRte>::iterator iter = rtes.begin ();
903 iter != rtes.end (); iter++)
914 Ipv6Address rtAddress = rtIter->first->GetDestNetwork ();
915 rtAddress.
CombinePrefix (rtIter->first->GetDestNetworkPrefix ());
917 if (requestedAddress == rtAddress)
919 iter->SetRouteMetric (rtIter->first->GetRouteMetric ());
920 iter->SetRouteTag (rtIter->first->GetRouteTag ());
929 iter->SetRouteMetric (16);
930 iter->SetRouteTag (0);
943 NS_LOG_FUNCTION (
this << senderAddress << incomingInterface <<
int (hopLimit) << hdr);
947 NS_LOG_LOGIC (
"Ignoring an update message from an excluded interface: " << incomingInterface);
953 NS_LOG_LOGIC (
"Ignoring an update message from a non-link-local source: " << senderAddress);
959 NS_LOG_LOGIC (
"Ignoring an update message with suspicious hop count: " <<
int (hopLimit));
966 for (std::list<RipNgRte>::iterator iter = rtes.begin ();
967 iter != rtes.end (); iter++)
969 if (iter->GetRouteMetric () == 0 || iter->GetRouteMetric () > 16)
971 NS_LOG_LOGIC (
"Ignoring an update message with malformed metric: " <<
int (iter->GetRouteMetric ()));
974 if (iter->GetPrefixLen () > 128)
976 NS_LOG_LOGIC (
"Ignoring an update message with malformed prefix length: " <<
int (iter->GetPrefixLen ()));
979 if (iter->GetPrefix ().IsLocalhost () ||
980 iter->GetPrefix ().IsLinkLocal () ||
981 iter->GetPrefix ().IsMulticast ())
983 NS_LOG_LOGIC (
"Ignoring an update message with wrong prefixes: " << iter->GetPrefix ());
988 bool changed =
false;
990 for (std::list<RipNgRte>::iterator iter = rtes.begin ();
991 iter != rtes.end (); iter++)
998 uint8_t interfaceMetric = 1;
1003 uint8_t rteMetric = std::min (iter->GetRouteMetric () + interfaceMetric, 16);
1008 if (it->first->GetDestNetwork () == rteAddr &&
1009 it->first->GetDestNetworkPrefix () == rtePrefix)
1012 if (rteMetric < it->first->GetRouteMetric ())
1014 if (senderAddress != it->first->GetGateway ())
1022 it->first->SetRouteTag (iter->GetRouteTag ());
1023 it->first->SetRouteChanged (
true);
1024 it->second.Cancel ();
1028 else if (rteMetric == it->first->GetRouteMetric ())
1030 if (senderAddress == it->first->GetGateway ())
1032 it->second.Cancel ();
1046 it->second.Cancel ();
1052 else if (rteMetric > it->first->GetRouteMetric () && senderAddress == it->first->GetGateway ())
1054 it->second.Cancel ();
1057 it->first->SetRouteMetric (rteMetric);
1059 it->first->SetRouteTag (iter->GetRouteTag ());
1060 it->first->SetRouteChanged (
true);
1061 it->second.Cancel ();
1072 if (!found && rteMetric != 16)
1074 NS_LOG_LOGIC (
"Received a RTE with new route, adding.");
1082 (
m_routes.begin ())->second = invalidateEvent;
1099 uint32_t
interface = iter->second;
1103 uint16_t mtu =
m_ipv6->GetMtu (interface);
1116 bool splitHorizoning = (rtIter->first->GetInterface () == interface);
1119 NS_LOG_DEBUG (
"Processing RT " << rtDestAddr <<
" " <<
int(rtIter->first->IsRouteChanged ()));
1124 (rtIter->first->GetInterface () != interface));
1126 if ((isGlobal || isDefaultRoute) &&
1127 (periodic || rtIter->first->IsRouteChanged ()))
1130 rte.
SetPrefix (rtIter->first->GetDestNetwork ());
1131 rte.
SetPrefixLen (rtIter->first->GetDestNetworkPrefix ().GetPrefixLength ());
1169 rtIter->first->SetRouteChanged (
false);
1179 NS_LOG_LOGIC (
"Skipping Triggered Update due to cooldown");
1234 std::map<uint32_t, uint8_t>::const_iterator iter =
m_interfaceMetrics.find (interface);
1237 return iter->second;
1259 tag.SetHopLimit (255);
1275 uint32_t
interface = iter->second;
1298 : m_tag (0), m_metric (16), m_status (RIPNG_INVALID), m_changed (false)
1304 m_tag (0), m_metric (16), m_status (RIPNG_INVALID), m_changed (false)
1310 m_tag (0), m_metric (16), m_status (RIPNG_INVALID), m_changed (false)
1321 if (
m_tag != routeTag)
1374 os << static_cast<const Ipv6RoutingTableEntry &>(rte);
bool IsMatch(Ipv6Address a, Ipv6Address b) const
If the Address match the type.
static Time GetDelayLeft(const EventId &id)
bool IsAny() const
If the IPv6 address is the "Any" address.
uint32_t RemoveHeader(Header &header)
Deserialize and remove the header from the internal buffer.
SplitHorizonType_e m_splitHorizonStrategy
Split Horizon strategy.
std::map< Ptr< Socket >, uint32_t >::iterator SocketListI
Socket list type iterator.
Simulation virtual time values and global simulation resolution.
virtual void NotifyInterfaceDown(uint32_t interface)
Notify when specified interface goes DOWN.
#define NS_LOG_FUNCTION(parameters)
If log level LOG_FUNCTION is enabled, this macro will output all input parameters separated by "...
void SetStream(int64_t stream)
Specifies the stream number for this RNG stream.
Ptr< const AttributeChecker > MakeEnumChecker(int v1, std::string n1, int v2, std::string n2, int v3, std::string n3, int v4, std::string n4, int v5, std::string n5, int v6, std::string n6, int v7, std::string n7, int v8, std::string n8, int v9, std::string n9, int v10, std::string n10, int v11, std::string n11, int v12, std::string n12, int v13, std::string n13, int v14, std::string n14, int v15, std::string n15, int v16, std::string n16, int v17, std::string n17, int v18, std::string n18, int v19, std::string n19, int v20, std::string n20, int v21, std::string n21, int v22, std::string n22)
Ipv6Address GetPrefixToUse() const
Get the prefix to use (for multihomed link).
bool IsLinkLocalMulticast() const
If the IPv6 address is link-local multicast (ff02::/16).
#define NS_ABORT_MSG(msg)
Abnormal program termination.
Ipv6Prefix GetDestNetworkPrefix() const
Get the destination prefix.
void SetRouteTag(uint16_t routeTag)
Set the route tag.
void AddNetworkRouteTo(Ipv6Address network, Ipv6Prefix networkPrefix, Ipv6Address nextHop, uint32_t interface, Ipv6Address prefixToUse)
Add route to network.
This class implements a tag that carries the socket-specific HOPLIMIT of a packet to the IPv6 layer...
#define NS_OBJECT_ENSURE_REGISTERED(type)
Register the class in the ns-3 factory.
void SetInterfaceExclusions(std::set< uint32_t > exceptions)
Set the set of interface excluded from the protocol.
void AddPacketTag(const Tag &tag) const
Add a packet tag.
void SetPrefix(Ipv6Address prefix)
Set the prefix.
bool IsLinkLocal() const
If the IPv6 address is a link-local address (fe80::/64).
EventId m_nextTriggeredUpdate
Next Triggered Update event.
#define NS_ASSERT(condition)
At runtime, in debugging builds, if this condition is not true, the program prints the source file...
static Ipv6Address GetAny()
Get the "any" (::) Ipv6Address.
#define NS_LOG_COMPONENT_DEFINE(name)
Define a Log component with a specific name.
IPv6 address associated with an interface.
uint8_t m_metric
route metric
Link-local address (fe80::/64)
bool IsEqual(const Ipv6Address &other) const
Comparison operation between two Ipv6Addresses.
void SetInterfaceMetric(uint32_t interface, uint8_t metric)
Set the metric for an interface.
void SendUnsolicitedRouteUpdate(void)
Send Unsolicited Routing Updates on all interfaces.
EventId m_nextUnsolicitedUpdate
Next Unsolicited Update event.
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.
void Receive(Ptr< Socket > socket)
Receive RIPng packets.
bool IsRunning(void) const
This method is syntactic sugar for the ns3::Simulator::isExpired method.
virtual void DoDispose()
Dispose this object.
static EventId Schedule(Time const &time, MEM mem_ptr, OBJ obj)
Schedule an event to expire at the relative time "time" is reached.
static Ipv6Prefix GetZero()
Get the zero prefix ( /0).
SocketErrno
Enumeration of the possible errors returned by a socket.
void AddDefaultRouteTo(Ipv6Address nextHop, uint32_t interface)
Add a default route to the router through the nextHop located on interface.
SocketList m_sendSocketList
list of sockets for sending (socket, interface index)
void InvalidateRoute(RipNgRoutingTableEntry *route)
Invalidate a route.
Ptr< const AttributeChecker > MakeTimeChecker(const Time min, const Time max)
Helper to make a Time checker with bounded range.
RIPng Routing Protocol, defined in RFC 2080.
void SendTriggeredRouteUpdate()
Send Triggered Routing Updates on all interfaces.
std::set< uint32_t > m_interfaceExclusions
Set of excluded interfaces.
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.
void DoInitialize()
Start protocol operation.
Ipv6Address GetAddress() const
Get the IPv6 address.
A record of an IPv6 route.
virtual void NotifyAddRoute(Ipv6Address dst, Ipv6Prefix mask, Ipv6Address nextHop, uint32_t interface, Ipv6Address prefixToUse=Ipv6Address::GetZero())
Notify a new route.
void SetRouteMetric(uint8_t routeMetric)
Set the route metric.
hold variables of type 'enum'
uint8_t GetInterfaceMetric(uint32_t interface) const
Get the metric for an interface.
int64_t AssignStreams(int64_t stream)
Assign a fixed random variable stream number to the random variables used by this model...
Attribute for objects of type ns3::Time.
Ptr< Ipv6 > m_ipv6
IPv6 reference.
Poison Reverse Split Horizon.
static Ipv6Address GetZero()
Get the 0 (::) Ipv6Address.
Time m_timeoutDelay
Delay before invalidating a route.
Ptr< NetDevice > GetDevice(uint32_t index) const
Retrieve the index-th NetDevice associated to this node.
This class implements a tag that carries an address of a packet across the socket interface...
void DoSendRouteUpdate(bool periodic)
Send Routing Updates on all interfaces.
void SetRouteTag(uint16_t routeTag)
Set the route tag.
Callback< R > MakeCallback(R(T::*memPtr)(void), OBJ objPtr)
bool IsHost() const
Is the route entry correspond to a host ?
static Ptr< Socket > CreateSocket(Ptr< Node > node, TypeId tid)
This method wraps the creation of sockets that is performed on a given node by a SocketFactory specif...
void SetRouteChanged(bool changed)
Set the route as changed.
Ipv6Prefix GetPrefix() const
Get the IPv6 prefix.
#define NS_LOG_LOGIC(msg)
Use NS_LOG to output a message of level LOG_LOGIC.
void SetHopLimit(uint8_t hopLimit)
Set the tag's Hop Limit.
Ptr< Socket > m_recvSocket
receive socket
virtual void NotifyRemoveAddress(uint32_t interface, Ipv6InterfaceAddress address)
Notify when specified interface add an address.
void DeleteRoute(RipNgRoutingTableEntry *route)
Delete a route.
std::ostream & operator<<(std::ostream &os, const Angles &a)
print a struct Angles to output
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.
void SetRouteMetric(uint8_t routeMetric)
Set the route metric.
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)
Status_e GetRouteStatus(void) const
Get the route status.
Time m_unsolicitedUpdate
time between two Unsolicited Routing Updates
Global address (2000::/3)
virtual ~RipNgRoutingTableEntry()
virtual Ptr< Packet > Recv(uint32_t maxSize, uint32_t flags)=0
Read data from the socket.
uint8_t GetRouteMetric(void) const
Get the route metric.
virtual void NotifyAddAddress(uint32_t interface, Ipv6InterfaceAddress address)
Notify when specified interface add an address.
void HandleResponses(RipNgHeader hdr, Ipv6Address senderAddress, uint32_t incomingInterface, uint8_t hopLimit)
Handle RIPng responses.
bool IsMulticast() const
If the IPv6 address is multicast (ff00::/8).
void HandleRequests(RipNgHeader hdr, Ipv6Address senderAddress, uint16_t senderPort, uint32_t incomingInterface, uint8_t hopLimit)
Handle RIPng requests.
virtual void SetIpv6(Ptr< Ipv6 > ipv6)
Typically, invoked directly or indirectly from ns3::Ipv6::SetRoutingProtocol.
Ipv6Address GetGateway() const
Get the gateway.
static Time Now(void)
Return the "current simulation time".
uint32_t GetInterface() const
Get the interface index.
Ptr< UniformRandomVariable > m_rng
Rng stream.
std::set< uint32_t > GetInterfaceExclusions() const
Get the set of interface excluded from the protocol.
void SetRouteStatus(Status_e status)
Set the route status.
Ptr< const AttributeAccessor > MakeEnumAccessor(T1 a1)
virtual void NotifyInterfaceUp(uint32_t interface)
Notify when specified interface goes UP.
uint16_t GetRouteTag(void) const
Get the route tag.
#define NS_ASSERT_MSG(condition, message)
At runtime, in debugging builds, if this condition is not true, the program prints the message to out...
virtual uint32_t GetSerializedSize(void) const
Get the serialized size of the packet.
uint8_t GetHopLimit(void) const
Get the tag's Hop Limit.
Describes an IPv6 address.
void SendRouteRequest()
Send Routing Request on all interfaces.
Ipv6InterfaceAddress::Scope_e GetScope() const
Get address scope.
static Ipv6Prefix GetOnes()
Get the "all-1" IPv6 mask (ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff).
static TypeId GetTypeId(void)
Get the type ID.
an identifier for simulation events.
#define NS_LOG_WARN(msg)
Use NS_LOG to output a message of level LOG_WARN.
std::map< uint32_t, uint8_t > m_interfaceMetrics
Map of interface metrics.
virtual void PrintRoutingTable(Ptr< OutputStreamWrapper > stream) const
Print the Routing Table entries.
Address GetAddress(void) const
Get the tag's address.
std::list< std::pair< RipNgRoutingTableEntry *, EventId > >::const_iterator RoutesCI
Const Iterator for container for the network routes.
RipNg Routing Table Entry.
Ipv6Address GetDest() const
Get the destination.
bool RemovePacketTag(Tag &tag)
Remove a packet tag.
#define NS_LOG_DEBUG(msg)
Use NS_LOG to output a message of level LOG_DEBUG.
Time Seconds(double value)
Construct a Time in the indicated unit.
static Inet6SocketAddress ConvertFrom(const Address &addr)
Convert the address to a InetSocketAddress.
Routes m_routes
the forwarding table for network.
std::list< std::pair< RipNgRoutingTableEntry *, EventId > >::iterator RoutesI
Iterator for container for the network routes.
uint32_t GetRecvIf(void) const
Get the tag's receiving interface.
void Cancel(void)
This method is syntactic sugar for the ns3::Simulator::cancel method.
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...
Ptr< Ipv6Route > Lookup(Ipv6Address dest, Ptr< NetDevice >=0)
Lookup in the forwarding table for destination.
Describes an IPv6 prefix.
bool m_changed
route has been updated
virtual int SendTo(Ptr< Packet > p, uint32_t flags, const Address &toAddress)=0
Send data to a specified peer.
bool IsGateway() const
Is it the gateway ?
uint8_t GetPrefixLength() const
Get prefix length.
This class implements a tag that carries socket ancillary data to the socket interface.
bool m_initialized
flag to allow socket's late-creation.
RipNgRoutingTableEntry(void)
Time m_maxTriggeredUpdateDelay
Max cooldown delay after a Triggered Update.
Time m_garbageCollectionDelay
Delay before deleting an INVALID route.
virtual int Close(void)=0
Close a socket.
RipNg Routing Table Entry (RTE) - see RFC 2080
Ipv6Address CombinePrefix(Ipv6Prefix const &prefix)
Combine this address with a prefix.
Abstract base class for Ipv6 routing protocols.
virtual void NotifyRemoveRoute(Ipv6Address dst, Ipv6Prefix mask, Ipv6Address nextHop, uint32_t interface, Ipv6Address prefixToUse=Ipv6Address::GetZero())
Notify route removing.
Status_e m_status
route status
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.
Time m_startupDelay
Random delay before protocol startup.
void AddHeader(const Header &header)
Add header to this packet.
virtual void DoInitialize(void)
This method is called only once by Object::Initialize.
Time m_minTriggeredUpdateDelay
Min cooldown delay after a Triggered Update.
static TypeId LookupByName(std::string name)
bool IsRouteChanged(void) const
Get the route changed status.
void SetPrefixLen(uint8_t prefixLen)
Set the prefix length.