22 #include "ns3/uinteger.h"
41 .AddAttribute (
"UnresolvedQueueSize",
42 "Size of the queue for packets pending an NA reply.",
45 MakeUintegerChecker<uint32_t> ())
107 entry->SetIpv6Address (to);
118 if ((*i).second == entry)
156 m_reachableTimer (
Timer::CANCEL_ON_DESTROY),
157 m_retransTimer (
Timer::CANCEL_ON_DESTROY),
158 m_probeTimer (
Timer::CANCEL_ON_DESTROY),
159 m_delayTimer (
Timer::CANCEL_ON_DESTROY),
160 m_lastReachabilityConfirmation (
Seconds (0.0)),
182 if (m_waiting.size () >=
m_ndCache->GetUnresQlen ())
186 m_waiting.remove (0);
188 m_waiting.push_back (p);
211 if (m_ipv6Address.IsLinkLocal ())
213 addr =
m_ndCache->GetInterface ()->GetLinkLocalAddress ().GetAddress ();;
215 else if (!m_ipv6Address.IsAny ())
217 addr =
m_ndCache->GetInterface ()->GetAddressMatchingDestination (m_ipv6Address).GetAddress ();
227 if (GetNSRetransmit () < icmpv6->MAX_MULTICAST_SOLICIT)
233 StartRetransmitTimer ();
238 if (malformedPacket == 0)
240 malformedPacket = Create<Packet> ();
259 if (m_ipv6Address.IsLinkLocal ())
261 addr =
m_ndCache->GetInterface ()->GetLinkLocalAddress ().GetAddress ();
263 else if (!m_ipv6Address.IsAny ())
265 addr =
m_ndCache->GetInterface ()->GetAddressMatchingDestination (m_ipv6Address).GetAddress ();
279 Ptr<Packet> p = icmpv6->ForgeNS (addr, m_ipv6Address, m_ipv6Address,
m_ndCache->GetDevice ()->GetAddress ());
282 ResetNSRetransmit ();
293 if (GetNSRetransmit () < icmpv6->MAX_UNICAST_SOLICIT)
297 if (m_ipv6Address.IsLinkLocal ())
299 addr =
m_ndCache->GetInterface ()->GetLinkLocalAddress ().GetAddress ();
301 else if (!m_ipv6Address.IsAny ())
303 addr =
m_ndCache->GetInterface ()->GetAddressMatchingDestination (m_ipv6Address).GetAddress ();
319 Ptr<Packet> p = icmpv6->ForgeNS (addr, m_ipv6Address, m_ipv6Address,
m_ndCache->GetDevice ()->GetAddress ());
335 m_ipv6Address = ipv6Address;
341 return m_nsRetransmit;
359 return m_lastReachabilityConfirmation;
370 if (m_reachableTimer.IsRunning ())
372 m_reachableTimer.Cancel ();
376 m_reachableTimer.Schedule ();
382 m_reachableTimer.Cancel ();
388 if (m_probeTimer.IsRunning ())
390 m_probeTimer.Cancel ();
394 m_probeTimer.Schedule ();
400 m_probeTimer.Cancel ();
401 ResetNSRetransmit ();
408 if (m_delayTimer.IsRunning ())
410 m_delayTimer.Cancel ();
414 m_delayTimer.Schedule ();
420 m_delayTimer.Cancel ();
421 ResetNSRetransmit ();
427 if (m_retransTimer.IsRunning ())
429 m_retransTimer.Cancel ();
433 m_retransTimer.Schedule ();
439 m_retransTimer.Cancel ();
440 ResetNSRetransmit ();
446 m_state = INCOMPLETE;
450 m_waiting.push_back (p);
497 return (m_state == STALE);
503 return (m_state == REACHABLE);
509 return (m_state ==
DELAY);
515 return (m_state == INCOMPLETE);
521 return (m_state == PROBE);
bool IsAny() const
If the IPv6 address is the "Any" address.
void FunctionDelayTimeout()
Function called when delay timer timeout.
static TypeId GetTypeId()
Get the type ID.
Simulation virtual time values and global simulation resolution.
Time GetLastReachabilityConfirmation() const
Get the time of last reachability confirmation.
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 "...
void MarkIncomplete(Ptr< Packet > p)
Changes the state to this entry to INCOMPLETE.
#define NS_OBJECT_ENSURE_REGISTERED(type)
Register the class in the ns-3 factory.
Address GetMacAddress() const
Get the MAC address of this entry.
NdiscCache::Entry * Add(Ipv6Address to)
Add an entry.
void SetUnresQlen(uint32_t unresQlen)
Set the max number of waiting packet.
IPv6 layer implementation.
#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.
Time MilliSeconds(uint64_t value)
Construct a Time in the indicated unit.
void StopReachableTimer()
Stop the reachable timer.
virtual void DoDispose(void)
This method is called by Object::Dispose or by the object's destructor, whichever comes first...
#define NS_LOG_FUNCTION_NOARGS()
Output the name of the function.
a polymophic address class
uint32_t GetUnresQlen()
Get the max number of waiting packet.
Ptr< Ipv6Interface > GetInterface() const
Get the Ipv6Interface associated with this cache.
bool IsDelay() const
Is the entry DELAY.
Ptr< Ipv6Interface > m_interface
the interface.
void FunctionRetransmitTimeout()
Function called when retransmit timer timeout.
void MarkReachable()
Changes the state to this entry to REACHABLE.
void Flush()
Flush the cache.
Hold an unsigned integer type.
#define DELAY(time)
Gets the delay between a given time and the current time.
Doxygen introspection did not find any typical Config paths.
static const uint32_t REACHABLE_TIME
Neighbor Discovery node constants : reachable time.
void StopProbeTimer()
Stop probe timer.
void StartRetransmitTimer()
Start retransmit timer.
void ClearWaitingPacket()
Clear the waiting packet list.
Entry(NdiscCache *nd)
Constructor.
bool IsProbe() const
Is the entry PROBE.
void AddWaitingPacket(Ptr< Packet > p)
Add a packet (or replace old value) in the queue.
void StartDelayTimer()
Start delay timer.
void StartReachableTimer()
Start the reachable timer.
bool IsIncomplete() const
Is the entry INCOMPLETE.
void FunctionReachableTimeout()
Function called when reachable timer timeout.
void StartProbeTimer()
Start probe timer.
static const uint32_t DEFAULT_UNRES_QLEN
Default value for unres qlen.
void Remove(NdiscCache::Entry *entry)
Delete an entry.
void FunctionProbeTimeout()
Function called when probe timer timeout.
uint32_t m_unresQlen
Max number of packet stored in m_waiting.
void SetMacAddress(Address mac)
Set the MAC address of this entry.
Describes an IPv6 address.
NdiscCache::Entry * Lookup(Ipv6Address dst)
Lookup in the cache.
void MarkStale()
Changes the state to this entry to STALE.
void IncNSRetransmit()
Increment NS retransmit.
void DoDispose()
Dispose this object.
void SetIpv6Address(Ipv6Address ipv6Address)
Set the IPv6 address.
void MarkDelay()
Change the state to this entry to DELAY.
static const uint32_t RETRANS_TIMER
Neighbor Discovery node constants : retransmission timer.
void StopRetransmitTimer()
Stop retransmit timer.
Time Seconds(double value)
Construct a Time in the indicated unit.
void UpdateLastReachabilityconfirmation()
Update the time of last reachability confirmation.
void StopDelayTimer()
Stop delay timer.
bool IsRouter() const
If the entry is a host or a router.
void SetDevice(Ptr< NetDevice > device, Ptr< Ipv6Interface > interface)
Set the device and interface.
Cache m_ndCache
A list of Entry.
A record that holds information about an NdiscCache entry.
void SetRouter(bool router)
Set the node type.
static const uint8_t DELAY_FIRST_PROBE_TIME
Neighbor Discovery node constants : delay for the first probe.
a base class which provides memory management and object aggregation
sgi::hash_map< Ipv6Address, NdiscCache::Entry *, Ipv6AddressHash >::iterator CacheI
Neighbor Discovery Cache container iterator.
bool IsReachable() const
Is the entry REACHABLE.
a unique identifier for an interface.
void ResetNSRetransmit()
Reset NS retransmit (=0).
Ptr< NetDevice > GetDevice() const
Get the NetDevice associated with this cache.
TypeId SetParent(TypeId tid)
void MarkProbe()
Changes the state to this entry to PROBE.
static const uint16_t PROT_NUMBER
The protocol number for IPv6 (0x86DD).
bool IsStale() const
Is the entry STALE.
static Ipv6Address MakeSolicitedAddress(Ipv6Address addr)
Make the solicited IPv6 address.
Ptr< NetDevice > m_device
The NetDevice.
uint8_t GetNSRetransmit() const
Get the number of NS retransmit.