A Discrete-Event Network Simulator
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dsr-network-queue.h
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/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
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/*
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* Copyright (c) 2011 Yufei Cheng
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation;
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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* Author: Yufei Cheng <yfcheng@ittc.ku.edu>
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*
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* James P.G. Sterbenz <jpgs@ittc.ku.edu>, director
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* ResiliNets Research Group http://wiki.ittc.ku.edu/resilinets
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* Information and Telecommunication Technology Center (ITTC)
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* and Department of Electrical Engineering and Computer Science
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* The University of Kansas Lawrence, KS USA.
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*
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* Work supported in part by NSF FIND (Future Internet Design) Program
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* under grant CNS-0626918 (Postmodern Internet Architecture),
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* NSF grant CNS-1050226 (Multilayer Network Resilience Analysis and Experimentation on GENI),
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* US Department of Defense (DoD), and ITTC at The University of Kansas.
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*/
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#ifndef DSR_NETWORK_QUEUE_H
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#define DSR_NETWORK_QUEUE_H
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#include <vector>
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#include "ns3/ipv4-routing-protocol.h"
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#include "ns3/simulator.h"
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#include "ns3/ipv4-header.h"
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#include "dsr-option-header.h"
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namespace
ns3 {
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namespace
dsr {
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enum
DsrMessageType
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{
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DSR_CONTROL_PACKET = 1,
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DSR_DATA_PACKET = 2
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};
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class
DsrNetworkQueueEntry
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{
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public
:
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DsrNetworkQueueEntry
(
Ptr<const Packet>
pa = 0,
Ipv4Address
s =
Ipv4Address
(),
Ipv4Address
n =
Ipv4Address
(),
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Time
exp =
Simulator::Now
(),
Ptr<Ipv4Route>
r = 0)
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:
m_packet
(pa),
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m_srcAddr (s),
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m_nextHopAddr (n),
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tstamp (exp),
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m_ipv4Route
(r)
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{
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}
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bool
operator==
(
DsrNetworkQueueEntry
const
& o)
const
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{
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return
((
m_packet
== o.
m_packet
) && (m_srcAddr == o.m_srcAddr) && (m_nextHopAddr == o.m_nextHopAddr)
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&& (tstamp == o.tstamp) && (
m_ipv4Route
== o.
m_ipv4Route
));
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}
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//\{
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Ptr<const Packet>
GetPacket ()
const
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{
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return
m_packet
;
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}
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void
SetPacket (
Ptr<const Packet>
p)
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{
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m_packet
= p;
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}
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Ptr<Ipv4Route> GetIpv4Route ()
const
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{
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return
m_ipv4Route
;
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}
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void
SetIpv4Route (Ptr<Ipv4Route> route)
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{
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m_ipv4Route
= route;
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}
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Ipv4Address GetSourceAddress ()
const
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{
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return
m_srcAddr;
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}
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void
SetSourceAddress (Ipv4Address addr)
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{
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m_srcAddr = addr;
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}
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Ipv4Address GetNextHopAddress ()
const
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{
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return
m_nextHopAddr;
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}
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void
SetNextHopAddress (Ipv4Address addr)
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{
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m_nextHopAddr = addr;
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}
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Time GetInsertedTimeStamp (
void
)
const
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{
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return
tstamp;
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}
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void
SetInsertedTimeStamp (Time time)
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{
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tstamp = time;
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}
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//\}
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private
:
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Ptr<const Packet>
m_packet
;
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Ipv4Address
m_srcAddr;
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Ipv4Address
m_nextHopAddr;
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Time
tstamp;
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Ptr<Ipv4Route>
m_ipv4Route
;
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};
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class
DsrNetworkQueue
:
public
Object
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{
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public
:
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static
TypeId
GetTypeID (
void
);
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DsrNetworkQueue
();
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DsrNetworkQueue
(uint32_t maxLen,
Time
maxDelay);
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~
DsrNetworkQueue
();
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bool
Enqueue
(
DsrNetworkQueueEntry
& entry);
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bool
Dequeue
(
DsrNetworkQueueEntry
& entry);
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uint32_t
GetSize
();
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void
SetMaxNetworkSize (uint32_t maxSize);
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void
SetMaxNetworkDelay (
Time
delay);
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uint32_t GetMaxNetworkSize (
void
)
const
;
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Time
GetMaxNetworkDelay (
void
)
const
;
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void
Flush (
void
);
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std::vector<DsrNetworkQueueEntry> & GetQueue ()
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{
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return
m_dsrNetworkQueue;
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}
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private
:
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void
Cleanup (
void
);
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std::vector<DsrNetworkQueueEntry> m_dsrNetworkQueue;
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uint32_t m_size;
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uint32_t m_maxSize;
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Time
m_maxDelay;
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};
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}
// namespace dsr
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}
// namespace ns3
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#endif
/* DSR_NETWORK_QUEUE_H */
ns3::Time
keep track of time unit.
Definition:
nstime.h:149
ns3::dsr::DsrNetworkQueueEntry::DsrNetworkQueueEntry
DsrNetworkQueueEntry(Ptr< const Packet > pa=0, Ipv4Address s=Ipv4Address(), Ipv4Address n=Ipv4Address(), Time exp=Simulator::Now(), Ptr< Ipv4Route > r=0)
c-tor
Definition:
dsr-network-queue.h:57
ns3::Ptr< const Packet >
ns3::dsr::DsrNetworkQueue::GetSize
uint32_t GetSize()
Number of entries.
Definition:
dsr-network-queue.cc:163
ns3::dsr::DsrNetworkQueueEntry::operator==
bool operator==(DsrNetworkQueueEntry const &o) const
Definition:
dsr-network-queue.h:70
ns3::dsr::DsrNetworkQueue::Enqueue
bool Enqueue(DsrNetworkQueueEntry &entry)
Push entry in queue, if there is no entry with the same packet and destination address in queue...
Definition:
dsr-network-queue.cc:102
ns3::dsr::DsrNetworkQueue
Definition:
dsr-network-queue.h:129
ns3::dsr::DsrNetworkQueue::Dequeue
bool Dequeue(DsrNetworkQueueEntry &entry)
Return first found (the earliest) entry for given destination.
Definition:
dsr-network-queue.cc:118
ns3::dsr::DsrNetworkQueueEntry::m_packet
Ptr< const Packet > m_packet
Data packet.
Definition:
dsr-network-queue.h:121
ns3::dsr::DsrNetworkQueueEntry
DSR Network Queue Entry.
Definition:
dsr-network-queue.h:53
ns3::dsr::DsrNetworkQueueEntry::m_ipv4Route
Ptr< Ipv4Route > m_ipv4Route
Ipv4Route.
Definition:
dsr-network-queue.h:126
ns3::Simulator::Now
static Time Now(void)
Definition:
simulator.cc:179
ns3::dsr::DsrNetworkQueue::DsrNetworkQueue
DsrNetworkQueue()
Default c-tor.
Definition:
dsr-network-queue.cc:66
ns3::Ipv4Address
Ipv4 addresses are stored in host order in this class.
Definition:
ipv4-address.h:38
ns3::Object
a base class which provides memory management and object aggregation
Definition:
object.h:63
ns3::TypeId
a unique identifier for an interface.
Definition:
type-id.h:44
src
dsr
model
dsr-network-queue.h
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