20#ifndef DSR_PASSIVEBUFF_H
21#define DSR_PASSIVEBUFF_H
23#include "ns3/ipv4-routing-protocol.h"
24#include "ns3/simulator.h"
Ipv4 addresses are stored in host order in this class.
A base class which provides memory management and object aggregation.
Smart pointer class similar to boost::intrusive_ptr.
Control the scheduling of simulation events.
static Time Now()
Return the current simulation virtual time.
Simulation virtual time values and global simulation resolution.
a unique identifier for an interface.
DSR Passive Buffer Entry.
bool operator==(const DsrPassiveBuffEntry &o) const
Compare send buffer entries.
uint8_t m_protocol
The protocol number.
void SetExpireTime(Time exp)
Set expire time.
uint16_t m_fragmentOffset
Fragment offset.
Ipv4Address GetDestination() const
Get destination address function.
void SetIdentification(uint16_t i)
Set identification function.
void SetDestination(Ipv4Address d)
Set destination address function.
uint8_t m_segsLeft
Segments left.
uint8_t GetProtocol() const
Get protocol.
Ipv4Address m_dst
Destination address.
void SetNextHop(Ipv4Address n)
Set next hop address function.
Ptr< const Packet > GetPacket() const
Get packet function.
Ipv4Address GetNextHop() const
Get next hop address function.
void SetSegsLeft(uint8_t seg)
Set segments left.
uint16_t m_identification
Identification.
Ipv4Address GetSource() const
Get source address function.
void SetSource(Ipv4Address s)
Set surce address function.
Ipv4Address m_nextHop
Nexthop address.
Ptr< const Packet > m_packet
Data packet.
void SetProtocol(uint8_t p)
Set protocol function.
Time GetExpireTime() const
Get expire time.
DsrPassiveBuffEntry(Ptr< const Packet > pa=nullptr, Ipv4Address d=Ipv4Address(), Ipv4Address s=Ipv4Address(), Ipv4Address n=Ipv4Address(), uint16_t i=0, uint16_t f=0, uint8_t seg=0, Time exp=Simulator::Now(), uint8_t p=0)
Construct a DsrPassiveBuffEntry with the given parameters.
uint8_t GetSegsLeft() const
Get segments left function.
void SetPacket(Ptr< const Packet > p)
Set packet function.
uint16_t GetIdentification() const
Get identification function.
uint16_t GetFragmentOffset() const
Get fragment offset function.
Ipv4Address m_source
Source address.
Time m_expire
Expire time for queue entry.
void SetFragmentOffset(uint16_t f)
Set fragment offset function.
Time GetPassiveBufferTimeout() const
Get passive buffer timeout.
bool Enqueue(DsrPassiveBuffEntry &entry)
Push entry in queue, if there is no entry with the same packet and destination address in queue.
void SetPassiveBufferTimeout(Time t)
Set passive buffer timeout.
uint32_t GetSize()
Number of entries.
bool Find(Ipv4Address dst)
Finds whether a packet with destination dst exists in the queue.
void SetMaxQueueLen(uint32_t len)
Set maximum queue length.
bool Dequeue(Ipv4Address dst, DsrPassiveBuffEntry &entry)
Return first found (the earliest) entry for given destination.
void DropLink(DsrPassiveBuffEntry en, std::string reason)
Notify that packet is dropped from queue by timeout.
~DsrPassiveBuffer() override
uint32_t m_maxLen
The maximum number of packets that we allow a routing protocol to buffer.
Time m_passiveBufferTimeout
The maximum period of time that a routing protocol is allowed to buffer a packet for,...
void Purge()
Remove all expired entries.
uint32_t GetMaxQueueLen() const
Get maximum queue length.
static bool LinkEqual(DsrPassiveBuffEntry en, const std::vector< Ipv4Address > link)
Check if the send buffer entry is the same or not.
std::vector< DsrPassiveBuffEntry > m_passiveBuffer
The send buffer to cache unsent packet.
void Drop(DsrPassiveBuffEntry en, std::string reason)
Notify that packet is dropped from queue by timeout.
static TypeId GetTypeId()
Get the type ID.
bool AllEqual(DsrPassiveBuffEntry &entry)
Check if all the entries in passive buffer entry is all equal or not.
Time Now()
create an ns3::Time instance which contains the current simulation time.
Every class exported by the ns3 library is enclosed in the ns3 namespace.