A Discrete-Event Network Simulator
API
ipv6-forwarding-test.cc
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1/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
2/*
3 * Copyright (c) 2013 Universita' di Firenze
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: Tommaso Pecorella <tommaso.pecorella@unifi.it>
19 */
20
21#include "ns3/test.h"
22#include "ns3/socket-factory.h"
23#include "ns3/udp-socket-factory.h"
24#include "ns3/simulator.h"
25#include "ns3/simple-channel.h"
26#include "ns3/simple-net-device.h"
27#include "ns3/simple-net-device-helper.h"
28#include "ns3/socket.h"
29#include "ns3/boolean.h"
30
31#include "ns3/log.h"
32#include "ns3/node.h"
33#include "ns3/inet6-socket-address.h"
34
35#include "ns3/ipv6-l3-protocol.h"
36#include "ns3/icmpv6-l4-protocol.h"
37#include "ns3/udp-l4-protocol.h"
38#include "ns3/ipv6-static-routing.h"
39#include "ns3/internet-stack-helper.h"
40#include "ns3/ipv6-address-helper.h"
41#include "ns3/ipv6-routing-helper.h"
42
43#include <string>
44#include <limits>
45
46using namespace ns3;
47
55{
57
63 void DoSendData (Ptr<Socket> socket, std::string to);
69 void SendData (Ptr<Socket> socket, std::string to);
70
71public:
72 virtual void DoRun (void);
74
79 void ReceivePkt (Ptr<Socket> socket);
80};
81
83 : TestCase ("IPv6 forwarding")
84{
85}
86
88{
89 uint32_t availableData;
90 availableData = socket->GetRxAvailable ();
92 NS_TEST_ASSERT_MSG_EQ (availableData, m_receivedPacket->GetSize (), "Received packet size is not equal to Rx buffer size");
93 //cast availableData to void, to suppress 'availableData' set but not used
94 //compiler warning
95 (void) availableData;
96}
97
98void
100{
101 Address realTo = Inet6SocketAddress (Ipv6Address (to.c_str ()), 1234);
102 NS_TEST_EXPECT_MSG_EQ (socket->SendTo (Create<Packet> (123), 0, realTo),
103 123, "100");
104}
105
106void
108{
109 m_receivedPacket = Create<Packet> ();
110 Simulator::ScheduleWithContext (socket->GetNode ()->GetId (), Seconds (0),
111 &Ipv6ForwardingTest::DoSendData, this, socket, to);
113}
114
115void
117{
118 // Create topology
119
120 // Receiver Node
121 Ptr<Node> rxNode = CreateObject<Node> ();
122 // Forwarding Node
123 Ptr<Node> fwNode = CreateObject<Node> ();
124 // Sender Node
125 Ptr<Node> txNode = CreateObject<Node> ();
126
127 NodeContainer net1nodes (rxNode, fwNode);
128 NodeContainer net2nodes (fwNode, txNode);
129 NodeContainer nodes (rxNode, fwNode, txNode);
130
131 SimpleNetDeviceHelper helperChannel1;
132 helperChannel1.SetNetDevicePointToPointMode (true);
133 NetDeviceContainer net1 = helperChannel1.Install (net1nodes);
134
135 SimpleNetDeviceHelper helperChannel2;
136 helperChannel2.SetNetDevicePointToPointMode (true);
137 NetDeviceContainer net2 = helperChannel2.Install (net2nodes);
138
139 InternetStackHelper internetv6;
140 internetv6.Install (nodes);
141
142 txNode->GetObject<Icmpv6L4Protocol> ()->SetAttribute ("DAD", BooleanValue (false));
143 fwNode->GetObject<Icmpv6L4Protocol> ()->SetAttribute ("DAD", BooleanValue (false));
144 rxNode->GetObject<Icmpv6L4Protocol> ()->SetAttribute ("DAD", BooleanValue (false));
145
146 Ipv6AddressHelper ipv6helper;
147 Ipv6InterfaceContainer iic1 = ipv6helper.AssignWithoutAddress (net1);
148 Ipv6InterfaceContainer iic2 = ipv6helper.AssignWithoutAddress (net2);
149
150 Ptr<NetDevice> device;
151 Ptr<Ipv6> ipv6;
152 int32_t ifIndex;
153 Ipv6InterfaceAddress ipv6Addr;
154
155 ipv6 = rxNode->GetObject<Ipv6> ();
156 device = net1.Get (0);
157 ifIndex = ipv6->GetInterfaceForDevice (device);
158 ipv6Addr = Ipv6InterfaceAddress (Ipv6Address ("2001:1::2"), Ipv6Prefix (64));
159 ipv6->AddAddress (ifIndex, ipv6Addr);
160
161 ipv6 = fwNode->GetObject<Ipv6> ();
162 device = net1.Get (1);
163 ifIndex = ipv6->GetInterfaceForDevice (device);
164 ipv6Addr = Ipv6InterfaceAddress (Ipv6Address ("2001:1::1"), Ipv6Prefix (64));
165 ipv6->AddAddress (ifIndex, ipv6Addr);
166
167 device = net2.Get (0);
168 ifIndex = ipv6->GetInterfaceForDevice (device);
169 ipv6Addr = Ipv6InterfaceAddress (Ipv6Address ("2001:2::1"), Ipv6Prefix (64));
170 ipv6->AddAddress (ifIndex, ipv6Addr);
171
172 ipv6 = txNode->GetObject<Ipv6> ();
173 device = net2.Get (1);
174 ifIndex = ipv6->GetInterfaceForDevice (device);
175 ipv6Addr = Ipv6InterfaceAddress (Ipv6Address ("2001:2::2"), Ipv6Prefix (64));
176 ipv6->AddAddress (ifIndex, ipv6Addr);
177
178 // Setup at least a route from the sender.
179 Ptr<Ipv6StaticRouting> ipv6StaticRouting = Ipv6RoutingHelper::GetRouting <Ipv6StaticRouting> (txNode->GetObject<Ipv6> ()->GetRoutingProtocol ());
180 ipv6StaticRouting->SetDefaultRoute (Ipv6Address ("2001:2::1"), ifIndex);
181
182 // Create the UDP sockets
183 Ptr<SocketFactory> rxSocketFactory = rxNode->GetObject<UdpSocketFactory> ();
184 Ptr<Socket> rxSocket = rxSocketFactory->CreateSocket ();
185 NS_TEST_EXPECT_MSG_EQ (rxSocket->Bind (Inet6SocketAddress (Ipv6Address ("2001:1::2"), 1234)), 0, "trivial");
186 rxSocket->SetRecvCallback (MakeCallback (&Ipv6ForwardingTest::ReceivePkt, this));
187
188 Ptr<SocketFactory> txSocketFactory = txNode->GetObject<UdpSocketFactory> ();
189 Ptr<Socket> txSocket = txSocketFactory->CreateSocket ();
190 txSocket->SetAllowBroadcast (true);
191
192 // ------ Now the tests ------------
193
194 // Unicast test
195 SendData (txSocket, "2001:1::2");
196 NS_TEST_EXPECT_MSG_EQ (m_receivedPacket->GetSize (), 0, "IPv6 Forwarding off");
197
200
201 ipv6 = fwNode->GetObject<Ipv6> ();
202 ipv6->SetAttribute("IpForward", BooleanValue (true));
203 SendData (txSocket, "2001:1::2");
204 NS_TEST_EXPECT_MSG_EQ (m_receivedPacket->GetSize (), 123, "IPv6 Forwarding on");
205
207
208 Simulator::Destroy ();
209
210}
211
212
220{
221public:
222 Ipv6ForwardingTestSuite () : TestSuite ("ipv6-forwarding", UNIT)
223 {
224 AddTestCase (new Ipv6ForwardingTest, TestCase::QUICK);
225 }
226};
227
#define max(a, b)
Definition: 80211b.c:43
void Run(ObjectFactory &factory, uint32_t pop, uint32_t total, uint32_t runs, Ptr< RandomVariableStream > eventStream, bool calRev)
Perform the runs for a single scheduler type.
IPv6 Forwarding Test.
Ptr< Packet > m_receivedPacket
Received packet.
void DoSendData(Ptr< Socket > socket, std::string to)
Send data.
virtual void DoRun(void)
Implementation to actually run this TestCase.
void SendData(Ptr< Socket > socket, std::string to)
Send data.
void ReceivePkt(Ptr< Socket > socket)
Receive data.
IPv6 Forwarding TestSuite.
a polymophic address class
Definition: address.h:91
AttributeValue implementation for Boolean.
Definition: boolean.h:37
An implementation of the ICMPv6 protocol.
An Inet6 address class.
aggregate IP/TCP/UDP functionality to existing Nodes.
void Install(std::string nodeName) const
Aggregate implementations of the ns3::Ipv4, ns3::Ipv6, ns3::Udp, and ns3::Tcp classes onto the provid...
Helper class to auto-assign global IPv6 unicast addresses.
Describes an IPv6 address.
Definition: ipv6-address.h:50
Access to the IPv6 forwarding table, interfaces, and configuration.
Definition: ipv6.h:82
virtual Ptr< Ipv6RoutingProtocol > GetRoutingProtocol(void) const =0
Get the routing protocol to be used by this IPv6 stack.
IPv6 address associated with an interface.
Keep track of a set of IPv6 interfaces.
Describes an IPv6 prefix.
Definition: ipv6-address.h:456
holds a vector of ns3::NetDevice pointers
Ptr< NetDevice > Get(uint32_t i) const
Get the Ptr<NetDevice> stored in this container at a given index.
keep track of a set of node pointers.
uint32_t GetId(void) const
Definition: node.cc:109
Ptr< T > GetObject(void) const
Get a pointer to the requested aggregated Object.
Definition: object.h:470
void RemoveAllByteTags(void)
Remove all byte tags stored in this packet.
Definition: packet.cc:371
uint32_t GetSize(void) const
Returns the the size in bytes of the packet (including the zero-filled initial payload).
Definition: packet.h:856
build a set of SimpleNetDevice objects
void SetNetDevicePointToPointMode(bool pointToPointMode)
SimpleNetDevice is Broadcast capable and ARP needing.
NetDeviceContainer Install(Ptr< Node > node) const
This method creates an ns3::SimpleChannel with the attributes configured by SimpleNetDeviceHelper::Se...
virtual Ptr< Node > GetNode(void) const =0
Return the node this socket is associated with.
virtual uint32_t GetRxAvailable(void) const =0
Return number of bytes which can be returned from one or multiple calls to Recv.
virtual Ptr< Packet > Recv(uint32_t maxSize, uint32_t flags)=0
Read data from the socket.
virtual int SendTo(Ptr< Packet > p, uint32_t flags, const Address &toAddress)=0
Send data to a specified peer.
encapsulates test code
Definition: test.h:994
void AddTestCase(TestCase *testCase, TestDuration duration=QUICK)
Add an individual child TestCase to this test suite.
Definition: test.cc:299
A suite of tests to run.
Definition: test.h:1188
@ UNIT
This test suite implements a Unit Test.
Definition: test.h:1197
API to create UDP socket instances.
#define NS_TEST_ASSERT_MSG_EQ(actual, limit, msg)
Test that an actual and expected (limit) value are equal and report and abort if not.
Definition: test.h:141
#define NS_TEST_EXPECT_MSG_EQ(actual, limit, msg)
Test that an actual and expected (limit) value are equal and report if not.
Definition: test.h:240
Time Seconds(double value)
Construct a Time in the indicated unit.
Definition: nstime.h:1245
static Ipv6ForwardingTestSuite g_ipv6forwardingTestSuite
Static variable for test initialization.
nodes
Definition: first.py:28
Every class exported by the ns3 library is enclosed in the ns3 namespace.
Callback< R, Args... > MakeCallback(R(T::*memPtr)(Args...), OBJ objPtr)
Build Callbacks for class method members which take varying numbers of arguments and potentially retu...
Definition: callback.h:661