20#ifndef DSR_RREQ_TABLE_H
21#define DSR_RREQ_TABLE_H
23#include "ns3/callback.h"
24#include "ns3/ipv4-address.h"
25#include "ns3/simulator.h"
Ipv4 addresses are stored in host order in this class.
A base class which provides memory management and object aggregation.
static Time Now()
Return the current simulation virtual time.
Simulation virtual time values and global simulation resolution.
a unique identifier for an interface.
The request entry for intermediate nodes to check if they have received this request or not This is u...
void SetExpireTime(Time exp)
Set expire time for the RREQ entry.
Ipv4Address GetDestination() const
Return IPv4 address of the destination.
void SetIdentification(uint16_t i)
Set identification.
Ipv4Address m_source
IPv4 address of the source.
void SetSource(Ipv4Address s)
Set IPv4 address of the source.
Time GetExpireTime() const
Return the remaining time before the RREQ entry expires.
void SetDestination(Ipv4Address d)
Set IPv4 address of the destination.
Time m_expire
Route request expire time.
DsrReceivedRreqEntry(Ipv4Address d=Ipv4Address(), uint16_t i=0)
Construct a DsrReceivedRreqEntry with the given parameters.
uint16_t m_identification
Route request identification.
bool operator==(const DsrReceivedRreqEntry &o) const
Compare send buffer entries (destination address and identification)
Ipv4Address GetSource() const
Return IPv4 address of the source.
Ipv4Address m_destination
IPv4 address of the destination.
uint16_t GetIdentification() const
Return identification.
maintain list of DsrRreqTable entry
Time NonpropRequestTimeout
The non-propagation request timeout.
void FindAndUpdate(Ipv4Address dst)
Find the entry in the route request queue to see if already exists.
void RemoveLeastExpire()
Remove the least used entry.
std::map< Ipv4Address, std::list< DsrReceivedRreqEntry > > m_sourceRreqMap
The cache to ensure all the route request from unique source.
uint32_t CheckUniqueRreqId(Ipv4Address dst)
The following code generates new request id for each destination.
std::map< Ipv4Address, uint32_t > m_rreqIdCache
The id cache to ensure all the ids are unique, it is used when sending out route request.
void SetUniqueRreqIdSize(uint32_t uid)
Set the maximum number of request Ids in the request table for a single destination.
Time MaxRequestPeriod
The max request period among requests.
LinkStates m_linkStates
The state of the unidirectional link.
uint32_t m_initHopLimit
The initial hop limit.
void Invalidate()
set the unidirectional entry as QUESTIONABLE state
void SetInitHopLimit(uint32_t hl)
Set the initial discovert hop limit.
Time m_rreqEntryExpire
The source route entry expire time.
std::map< Ipv4Address, RreqTableEntry > m_rreqDstMap
The cache to save route request table entries indexed with destination address.
void RemoveRreqEntry(Ipv4Address dst)
Remove route request entry for dst.
uint32_t GetRreqIdSize() const
Return the maximum number of request source Ids in the request table.
std::vector< BlackList > m_blackList
The Black list.
uint32_t GetUniqueRreqIdSize() const
Return the maximum number of request Ids in the request table for a single destination.
uint32_t m_maxRreqId
The unique request id for any destination.
std::list< DsrReceivedRreqEntry > m_sourceRequests
Map of entries.
Time RequestPeriod
The original request period.
bool MarkLinkAsUnidirectional(Ipv4Address neighbor, Time blacklistTimeout)
Mark entry as unidirectional (e.g.
uint32_t m_requestTableSize
The request table size.
uint32_t GetRreqCnt(Ipv4Address dst)
Get the request count number for one destination address.
void SetRreqTableSize(uint32_t rt)
Set the maximum number of request entries in the request table.
static TypeId GetTypeId()
Get the type ID.
uint32_t GetRreqTableSize() const
Return the maximum number of request entries in the request table.
uint32_t m_requestIdSize
The request source id size.
void PurgeNeighbor()
Remove all expired black list entries.
bool FindSourceEntry(Ipv4Address src, Ipv4Address dst, uint16_t id)
Find the source request entry in the route request queue, return false if not found.
BlackList * FindUnidirectional(Ipv4Address neighbor)
Verify if entry is unidirectional or not(e.g.
uint32_t GetInitHopLimit() const
Return the initial discovert hop limit.
void SetRreqIdSize(uint32_t id)
Set the maximum number of request source Ids in the request table.
uint32_t GetRreqSize()
Get the request id size.
@ QUESTIONABLE
QUESTIONABLE.
Every class exported by the ns3 library is enclosed in the ns3 namespace.
Time m_expireTime
Expire time in the black list.
LinkStates m_linkStates
State of the link.
BlackList(Ipv4Address ip, Time t)
Construct a BlackList with the given parameters.
Ipv4Address m_neighborAddress
IPv4 address of the black-listed neighbor.
Check if the entry is expired or not.
bool operator()(const BlackList &b) const
Check if the entry is expired.
The route request table entries.
Time m_expire
Expire time.
uint32_t m_reqNo
Route request number.