A Discrete-Event Network Simulator
API
point-to-point-epc-helper.cc
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1/* -*- Mode: C++; c-file-style: "gnu"; indent-tabs-mode:nil; -*- */
2/*
3 * Copyright (c) 2011-2019 Centre Tecnologic de Telecomunicacions de Catalunya (CTTC)
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License version 2 as
7 * published by the Free Software Foundation;
8 *
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
13 *
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17 *
18 * Author: Jaume Nin <jnin@cttc.es>
19 * Nicola Baldo <nbaldo@cttc.es>
20 * Manuel Requena <manuel.requena@cttc.es>
21 * (most of the code refactored to no-backhaul-epc-helper.cc)
22 */
23
24#include "ns3/boolean.h"
25#include "ns3/string.h"
26#include "ns3/log.h"
27#include "ns3/point-to-point-helper.h"
28
29#include "ns3/point-to-point-epc-helper.h"
30
31namespace ns3 {
32
33NS_LOG_COMPONENT_DEFINE ("PointToPointEpcHelper");
34
35NS_OBJECT_ENSURE_REGISTERED (PointToPointEpcHelper);
36
37
40{
41 NS_LOG_FUNCTION (this);
42 // To access the attribute value within the constructor
44
45 // since we use point-to-point links for the backhaul links,
46 // we use a /30 subnet which can hold exactly two addresses
47 // (remember that net broadcast and null address are not valid)
48 m_s1uIpv4AddressHelper.SetBase ("10.0.0.0", "255.255.255.252");
49 m_s1apIpv4AddressHelper.SetBase ("11.0.0.0", "255.255.255.252");
50}
51
53{
54 NS_LOG_FUNCTION (this);
55}
56
59{
61 static TypeId tid = TypeId ("ns3::PointToPointEpcHelper")
63 .SetGroupName ("Lte")
64 .AddConstructor<PointToPointEpcHelper> ()
65 .AddAttribute ("S1uLinkDataRate",
66 "The data rate to be used for the next S1-U link to be created",
67 DataRateValue (DataRate ("10Gb/s")),
68 MakeDataRateAccessor (&PointToPointEpcHelper::m_s1uLinkDataRate),
69 MakeDataRateChecker ())
70 .AddAttribute ("S1uLinkDelay",
71 "The delay to be used for the next S1-U link to be created",
72 TimeValue (Seconds (0)),
75 .AddAttribute ("S1uLinkMtu",
76 "The MTU of the next S1-U link to be created. Note that, because of the additional GTP/UDP/IP tunneling overhead, you need a MTU larger than the end-to-end MTU that you want to support.",
77 UintegerValue (2000),
79 MakeUintegerChecker<uint16_t> ())
80 .AddAttribute ("S1uLinkPcapPrefix",
81 "Prefix for Pcap generated by S1-U link",
82 StringValue ("s1u"),
85 .AddAttribute ("S1uLinkEnablePcap",
86 "Enable Pcap for X2 link",
87 BooleanValue (false),
90 ;
91 return tid;
92}
93
96{
97 return GetTypeId ();
98}
99
100void
102{
103 NS_LOG_FUNCTION (this);
105}
106
107
108void
109PointToPointEpcHelper::AddEnb (Ptr<Node> enb, Ptr<NetDevice> lteEnbNetDevice, std::vector<uint16_t> cellIds)
110{
111 NS_LOG_FUNCTION (this << enb << lteEnbNetDevice << cellIds.size ());
112
113 NoBackhaulEpcHelper::AddEnb (enb, lteEnbNetDevice, cellIds);
114
115 // create a point to point link between the eNB and the SGW with
116 // the corresponding new NetDevices on each side
117 Ptr<Node> sgw = GetSgwNode ();
118
123 NetDeviceContainer enbSgwDevices = p2ph.Install (enb, sgw);
124 NS_LOG_LOGIC ("Ipv4 ifaces of the eNB after installing p2p dev: " << enb->GetObject<Ipv4> ()->GetNInterfaces ());
125
127 {
129 }
130
132 Ipv4InterfaceContainer enbSgwIpIfaces = m_s1uIpv4AddressHelper.Assign (enbSgwDevices);
133 NS_LOG_LOGIC ("number of Ipv4 ifaces of the eNB after assigning Ipv4 addr to S1 dev: " << enb->GetObject<Ipv4> ()->GetNInterfaces ());
134
135 Ipv4Address enbS1uAddress = enbSgwIpIfaces.GetAddress (0);
136 Ipv4Address sgwS1uAddress = enbSgwIpIfaces.GetAddress (1);
137
138 NoBackhaulEpcHelper::AddS1Interface (enb, enbS1uAddress, sgwS1uAddress, cellIds);
139}
140
141} // namespace ns3
List of Attribute name, value and checker triples used to construct Objects.
AttributeValue implementation for Boolean.
Definition: boolean.h:37
Class for representing data rates.
Definition: data-rate.h:89
AttributeValue implementation for DataRate.
Ipv4Address NewNetwork(void)
Increment the network number and reset the IP address counter to the base value provided in the SetBa...
void SetBase(Ipv4Address network, Ipv4Mask mask, Ipv4Address base="0.0.0.1")
Set the base network number, network mask and base address.
Ipv4InterfaceContainer Assign(const NetDeviceContainer &c)
Assign IP addresses to the net devices specified in the container based on the current network prefix...
Ipv4 addresses are stored in host order in this class.
Definition: ipv4-address.h:41
Access to the IPv4 forwarding table, interfaces, and configuration.
Definition: ipv4.h:77
virtual uint32_t GetNInterfaces(void) const =0
holds a vector of std::pair of Ptr<Ipv4> and interface index.
Ipv4Address GetAddress(uint32_t i, uint32_t j=0) const
holds a vector of ns3::NetDevice pointers
Create an EPC network with PointToPoint links between the core network nodes.
virtual Ptr< Node > GetSgwNode() const
Get the SGW node.
virtual void AddEnb(Ptr< Node > enbNode, Ptr< NetDevice > lteEnbNetDevice, std::vector< uint16_t > cellIds)
Add an eNB to the EPC.
virtual void DoDispose()
Destructor implementation.
virtual void AddS1Interface(Ptr< Node > enb, Ipv4Address enbAddress, Ipv4Address sgwAddress, std::vector< uint16_t > cellIds)
Add an S1 interface between an eNB and a SGW.
void ConstructSelf(const AttributeConstructionList &attributes)
Complete construction of ObjectBase; invoked by derived classes.
Definition: object-base.cc:159
Ptr< T > GetObject(void) const
Get a pointer to the requested aggregated Object.
Definition: object.h:470
void EnablePcapAll(std::string prefix, bool promiscuous=false)
Enable pcap output on each device (which is of the appropriate type) in the set of all nodes created ...
Create an EPC network with PointToPoint links in the backhaul network.
Ipv4AddressHelper m_s1uIpv4AddressHelper
S1-U interfaces.
Ipv4AddressHelper m_s1apIpv4AddressHelper
Helper to assign addresses to S1-MME NetDevices.
bool m_s1uLinkEnablePcap
Enable PCAP generation for S1 link.
DataRate m_s1uLinkDataRate
The data rate to be used for the next S1-U link to be created.
TypeId GetInstanceTypeId() const
Get the most derived TypeId for this Object.
uint16_t m_s1uLinkMtu
The MTU of the next S1-U link to be created.
static TypeId GetTypeId(void)
Register this type.
virtual ~PointToPointEpcHelper()
Destructor.
virtual void AddEnb(Ptr< Node > enbNode, Ptr< NetDevice > lteEnbNetDevice, std::vector< uint16_t > cellIds)
Add an eNB to the EPC.
std::string m_s1uLinkPcapPrefix
Prefix for the PCAP file for the S1 link.
virtual void DoDispose()
Destructor implementation.
Time m_s1uLinkDelay
The delay to be used for the next S1-U link to be created.
Build a set of PointToPointNetDevice objects.
void SetDeviceAttribute(std::string name, const AttributeValue &value)
Set an attribute value to be propagated to each NetDevice created by the helper.
void SetChannelAttribute(std::string name, const AttributeValue &value)
Set an attribute value to be propagated to each Channel created by the helper.
NetDeviceContainer Install(NodeContainer c)
Hold variables of type string.
Definition: string.h:41
AttributeValue implementation for Time.
Definition: nstime.h:1309
a unique identifier for an interface.
Definition: type-id.h:59
TypeId SetParent(TypeId tid)
Set the parent TypeId.
Definition: type-id.cc:922
Hold an unsigned integer type.
Definition: uinteger.h:44
Ptr< const AttributeChecker > MakeBooleanChecker(void)
Definition: boolean.cc:121
Ptr< const AttributeAccessor > MakeBooleanAccessor(T1 a1)
Definition: boolean.h:85
Ptr< const AttributeAccessor > MakeStringAccessor(T1 a1)
Definition: string.h:42
Ptr< const AttributeChecker > MakeStringChecker(void)
Definition: string.cc:30
Ptr< const AttributeAccessor > MakeTimeAccessor(T1 a1)
Definition: nstime.h:1310
Ptr< const AttributeAccessor > MakeUintegerAccessor(T1 a1)
Definition: uinteger.h:45
#define NS_LOG_COMPONENT_DEFINE(name)
Define a Log component with a specific name.
Definition: log.h:205
#define NS_LOG_LOGIC(msg)
Use NS_LOG to output a message of level LOG_LOGIC.
Definition: log.h:289
#define NS_LOG_FUNCTION_NOARGS()
Output the name of the function.
#define NS_LOG_FUNCTION(parameters)
If log level LOG_FUNCTION is enabled, this macro will output all input parameters separated by ",...
#define NS_OBJECT_ENSURE_REGISTERED(type)
Register an Object subclass with the TypeId system.
Definition: object-base.h:45
Time Seconds(double value)
Construct a Time in the indicated unit.
Definition: nstime.h:1245
Every class exported by the ns3 library is enclosed in the ns3 namespace.
Ptr< const AttributeChecker > MakeTimeChecker(const Time min, const Time max)
Helper to make a Time checker with bounded range.
Definition: time.cc:522