20#ifndef DSDV_PACKETQUEUE_H
21#define DSDV_PACKETQUEUE_H
23#include "ns3/ipv4-routing-protocol.h"
24#include "ns3/simulator.h"
Ipv4 addresses are stored in host order in this class.
Smart pointer class similar to boost::intrusive_ptr.
static Time Now()
Return the current simulation virtual time.
Simulation virtual time values and global simulation resolution.
std::vector< QueueEntry > m_queue
the queue
bool Find(Ipv4Address dst)
Finds whether a packet with destination dst exists in the queue.
bool Enqueue(QueueEntry &entry)
Push entry in queue, if there is no entry with the same packet and destination address in queue.
uint32_t GetMaxPacketsPerDst() const
Get maximum packets per destination.
void SetQueueTimeout(Time t)
Set queue timeout.
bool Dequeue(Ipv4Address dst, QueueEntry &entry)
Return first found (the earliest) entry for given destination.
void SetMaxPacketsPerDst(uint32_t len)
Set maximum packets per destination.
void DropPacketWithDst(Ipv4Address dst)
Remove all packets with destination IP address dst.
uint32_t GetSize()
Get the number of entries.
void Drop(QueueEntry en, std::string reason)
Notify that the packet is dropped from queue due to timeout.
Time GetQueueTimeout() const
Get queue timeout.
uint32_t GetCountForPacketsWithDst(Ipv4Address dst)
Get count of packets with destination dst in the queue.
PacketQueue()
Default c-tor.
uint32_t m_maxLenPerDst
The maximum number of packets that we allow per destination to buffer.
uint32_t GetMaxQueueLen() const
Get maximum queue length.
void SetMaxQueueLen(uint32_t len)
Set maximum queue length.
uint32_t m_maxLen
The maximum number of packets that we allow a routing protocol to buffer.
void Purge()
Remove all expired entries.
Time m_queueTimeout
The maximum period of time that a routing protocol is allowed to buffer a packet for,...
Ptr< const Packet > GetPacket() const
Get packet.
void SetErrorCallback(ErrorCallback ecb)
Set error callback function.
void SetUnicastForwardCallback(UnicastForwardCallback ucb)
Set unicast forward callback function.
void SetExpireTime(Time exp)
Set expire time.
QueueEntry(Ptr< const Packet > pa=nullptr, const Ipv4Header &h=Ipv4Header(), UnicastForwardCallback ucb=UnicastForwardCallback(), ErrorCallback ecb=ErrorCallback())
c-tor
Time GetExpireTime() const
Get expire time.
void SetPacket(Ptr< const Packet > p)
Set packet.
Ipv4RoutingProtocol::UnicastForwardCallback UnicastForwardCallback
Unicast forward call back function typedef.
Ptr< const Packet > m_packet
Data packet.
UnicastForwardCallback m_ucb
Unicast forward callback.
ErrorCallback GetErrorCallback() const
Get error callback function.
bool operator==(const QueueEntry &o) const
Compare queue entries.
ErrorCallback m_ecb
Error callback.
Ipv4Header GetIpv4Header() const
Get IP header.
Ipv4Header m_header
IP header.
Time m_expire
Expire time for queue entry.
Ipv4RoutingProtocol::ErrorCallback ErrorCallback
Error callback function typedef.
void SetIpv4Header(Ipv4Header h)
Set IP header.
UnicastForwardCallback GetUnicastForwardCallback() const
Get unicast forward callback function.
Every class exported by the ns3 library is enclosed in the ns3 namespace.