F5/unison
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

add NSC version of TCP loss test suite

Browse Source
This commit is contained in:
Tom Henderson
2010-04-12 21:42:53 -07:00
parent 49de2720d7
commit 4e4c85d640
3 changed files with 299 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

283
src/test/nsctcp/nsctcp-loss-test-suite.cc Normal file
View File

@@ -0,0 +1,283 @@
/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
/*
* Copyright (c) 2010 University of Washington
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation;
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "ns3/log.h"
#include "ns3/abort.h"
#include "ns3/test.h"
#include "ns3/pcap-file.h"
#include "ns3/config.h"
#include "ns3/string.h"
#include "ns3/uinteger.h"
#include "ns3/data-rate.h"
#include "ns3/inet-socket-address.h"
#include "ns3/point-to-point-helper.h"
#include "ns3/internet-stack-helper.h"
#include "ns3/ipv4-global-routing-helper.h"
#include "ns3/ipv4-address-helper.h"
#include "ns3/packet-sink-helper.h"
#include "ns3/tcp-socket-factory.h"
#include "ns3/node-container.h"
#include "ns3/simulator.h"
#include "ns3/error-model.h"
#include "ns3/pointer.h"
#include "../ns3tcp/ns3tcp-socket-writer.h"
#include "../ns3tcp/receive-list-error-model.h"
using namespace ns3;
NS_LOG_COMPONENT_DEFINE ("NscTcpLossTest");
// ===========================================================================
// Tests of TCP implementation loss behavior
// ===========================================================================
//
class NscTcpLossTestCase1 : public TestCase
{
public:
NscTcpLossTestCase1 ();
virtual ~NscTcpLossTestCase1 () {}
private:
virtual bool DoRun (void);
bool m_writeResults;
void SinkRx (std::string path, Ptr<const Packet> p, const Address &address);
TestVectors<uint32_t> m_inputs;
TestVectors<uint32_t> m_responses;
};
NscTcpLossTestCase1::NscTcpLossTestCase1 ()
: TestCase ("Check that nsc TCP survives loss of first two SYNs"),
m_writeResults (false)
{
}
void
NscTcpLossTestCase1::SinkRx (std::string path, Ptr<const Packet> p, const Address &address)
{
m_responses.Add (p->GetSize ());
}
bool
NscTcpLossTestCase1::DoRun (void)
{
uint16_t sinkPort = 50000;
double sinkStopTime = 40; // sec; will trigger Socket::Close
double writerStopTime = 30; // sec; will trigger Socket::Close
double simStopTime = 60; // sec
Time sinkStopTimeObj = Seconds (sinkStopTime);
Time writerStopTimeObj = Seconds (writerStopTime);
Time simStopTimeObj= Seconds (simStopTime);
Ptr<Node> n0 = CreateObject<Node> ();
Ptr<Node> n1 = CreateObject<Node> ();
PointToPointHelper pointToPoint;
pointToPoint.SetDeviceAttribute ("DataRate", StringValue ("5Mbps"));
pointToPoint.SetChannelAttribute ("Delay", StringValue ("200ms"));
NetDeviceContainer devices;
devices = pointToPoint.Install (n0, n1);
InternetStackHelper internet;
internet.SetTcp ("ns3::NscTcpL4Protocol", "Library", StringValue("liblinux2.6.26.so"));
internet.InstallAll ();
Ipv4AddressHelper address;
address.SetBase ("10.1.1.0", "255.255.255.252");
Ipv4InterfaceContainer ifContainer = address.Assign (devices);
Ptr<SocketWriter> socketWriter = CreateObject<SocketWriter> ();
Address sinkAddress (InetSocketAddress (ifContainer.GetAddress (1), sinkPort));
socketWriter->Setup (n0, sinkAddress);
n0->AddApplication (socketWriter);
socketWriter->SetStartTime (Seconds (0.));
socketWriter->SetStopTime (writerStopTimeObj);
PacketSinkHelper sink ("ns3::TcpSocketFactory",
InetSocketAddress (Ipv4Address::GetAny (), sinkPort));
ApplicationContainer apps = sink.Install (n1);
// Start the sink application at time zero, and stop it at sinkStopTime
apps.Start (Seconds (0.0));
apps.Stop (sinkStopTimeObj);
Config::Connect ("/NodeList/*/ApplicationList/*/$ns3::PacketSink/Rx",
MakeCallback (&NscTcpLossTestCase1::SinkRx, this));
Simulator::Schedule(Seconds (2), &SocketWriter::Connect, socketWriter);
Simulator::Schedule(Seconds (10), &SocketWriter::Write, socketWriter, 500);
m_inputs.Add (500);
Simulator::Schedule(writerStopTimeObj, &SocketWriter::Close, socketWriter);
std::list<uint32_t> sampleList;
// Lose first two SYNs
sampleList.push_back (0);
sampleList.push_back (1);
// This time, we'll explicitly create the error model we want
Ptr<ReceiveListErrorModel> pem = CreateObject<ReceiveListErrorModel> ();
pem->SetList (sampleList);
devices.Get (1)->SetAttribute ("ReceiveErrorModel", PointerValue (pem));
if (m_writeResults)
{
pointToPoint.EnablePcapAll ("nsc-tcp-loss-test-case-1");
pointToPoint.EnableAsciiAll ("nsc-tcp-loss-test-case-1");
}
Simulator::Stop (simStopTimeObj);
Simulator::Run ();
Simulator::Destroy ();
// Compare inputs and outputs
NS_TEST_ASSERT_MSG_EQ (m_inputs.GetN (), m_responses.GetN (), "Incorrect number of expected receive events");
for (uint32_t i = 0; i < m_responses.GetN (); i++)
{
uint32_t in = m_inputs.Get (i);
uint32_t out = m_responses.Get (i);
NS_TEST_ASSERT_MSG_EQ (in, out, "Mismatch: expected " << in << " bytes, got " << out << " bytes");
}
return GetErrorStatus ();
}
class NscTcpLossTestCase2 : public TestCase
{
public:
NscTcpLossTestCase2 ();
virtual ~NscTcpLossTestCase2 () {}
private:
virtual bool DoRun (void);
bool m_writeResults;
void SinkRx (std::string path, Ptr<const Packet> p, const Address &address);
TestVectors<uint32_t> m_inputs;
TestVectors<uint32_t> m_responses;
};
NscTcpLossTestCase2::NscTcpLossTestCase2 ()
: TestCase ("Check that nsc TCP survives loss of first data packet"),
m_writeResults (false)
{
}
void
NscTcpLossTestCase2::SinkRx (std::string path, Ptr<const Packet> p, const Address &address)
{
m_responses.Add (p->GetSize ());
}
bool
NscTcpLossTestCase2::DoRun (void)
{
uint16_t sinkPort = 50000;
double sinkStopTime = 40; // sec; will trigger Socket::Close
double writerStopTime = 12; // sec; will trigger Socket::Close
double simStopTime = 60; // sec
Time sinkStopTimeObj = Seconds (sinkStopTime);
Time writerStopTimeObj = Seconds (writerStopTime);
Time simStopTimeObj= Seconds (simStopTime);
Ptr<Node> n0 = CreateObject<Node> ();
Ptr<Node> n1 = CreateObject<Node> ();
PointToPointHelper pointToPoint;
pointToPoint.SetDeviceAttribute ("DataRate", StringValue ("5Mbps"));
pointToPoint.SetChannelAttribute ("Delay", StringValue ("200ms"));
NetDeviceContainer devices;
devices = pointToPoint.Install (n0, n1);
InternetStackHelper internet;
internet.SetTcp ("ns3::NscTcpL4Protocol", "Library", StringValue("liblinux2.6.26.so"));
internet.InstallAll ();
Ipv4AddressHelper address;
address.SetBase ("10.1.1.0", "255.255.255.252");
Ipv4InterfaceContainer ifContainer = address.Assign (devices);
Ptr<SocketWriter> socketWriter = CreateObject<SocketWriter> ();
Address sinkAddress (InetSocketAddress (ifContainer.GetAddress (1), sinkPort));
socketWriter->Setup (n0, sinkAddress);
n0->AddApplication (socketWriter);
socketWriter->SetStartTime (Seconds (0.));
socketWriter->SetStopTime (writerStopTimeObj);
PacketSinkHelper sink ("ns3::TcpSocketFactory",
InetSocketAddress (Ipv4Address::GetAny (), sinkPort));
ApplicationContainer apps = sink.Install (n1);
// Start the sink application at time zero, and stop it at sinkStopTime
apps.Start (Seconds (0.0));
apps.Stop (sinkStopTimeObj);
Config::Connect ("/NodeList/*/ApplicationList/*/$ns3::PacketSink/Rx",
MakeCallback (&NscTcpLossTestCase2::SinkRx, this));
Simulator::Schedule(Seconds (2), &SocketWriter::Connect, socketWriter);
Simulator::Schedule(Seconds (10), &SocketWriter::Write, socketWriter, 500);
m_inputs.Add (500);
Simulator::Schedule(writerStopTimeObj, &SocketWriter::Close, socketWriter);
std::list<uint32_t> sampleList;
// Lose first data segment
sampleList.push_back (2);
// This time, we'll explicitly create the error model we want
Ptr<ReceiveListErrorModel> pem = CreateObject<ReceiveListErrorModel> ();
pem->SetList (sampleList);
devices.Get (1)->SetAttribute ("ReceiveErrorModel", PointerValue (pem));
if (m_writeResults)
{
pointToPoint.EnablePcapAll ("nsc-tcp-loss-test-case-2");
pointToPoint.EnableAsciiAll ("nsc-tcp-loss-test-case-2");
}
Simulator::Stop (simStopTimeObj);
Simulator::Run ();
Simulator::Destroy ();
// Compare inputs and outputs
NS_TEST_ASSERT_MSG_EQ (m_inputs.GetN (), m_responses.GetN (), "Incorrect number of expected receive events");
for (uint32_t i = 0; i < m_responses.GetN (); i++)
{
uint32_t in = m_inputs.Get (i);
uint32_t out = m_responses.Get (i);
NS_TEST_ASSERT_MSG_EQ (in, out, "Mismatch: expected " << in << " bytes, got " << out << " bytes");
}
return GetErrorStatus ();
}
class NscTcpLossTestSuite : public TestSuite
{
public:
NscTcpLossTestSuite ();
};
NscTcpLossTestSuite::NscTcpLossTestSuite ()
: TestSuite ("nsc-tcp-loss", SYSTEM)
{
AddTestCase (new NscTcpLossTestCase1);
AddTestCase (new NscTcpLossTestCase2);
}
NscTcpLossTestSuite nscTcpLossTestSuite;

15
src/test/nsctcp/wscript Normal file
View File

@@ -0,0 +1,15 @@
## -*- Mode: python; py-indent-offset: 4; indent-tabs-mode: nil; coding: utf-8; -*-
def configure(conf):
pass
def build(bld):
nsctcp = bld.create_ns3_module('nsctcp')
headers = bld.new_task_gen('ns3header')
headers.module = 'nsctcp'
headers.source = [
]
if bld.env['NSC_ENABLED']:
nsctcp.source = [
'nsctcp-loss-test-suite.cc',
]

1
src/wscript
View File

@@ -51,6 +51,7 @@ all_modules = (
'test',
'test/perf',
'test/ns3tcp',
'test/nsctcp',
'test/ns3wifi',
'contrib/flow-monitor',
'applications/udp-client-server',