/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */

/*

 * Copyright (c) 2009 IITP RAS

 *

 * 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

 *

 * Authors: Kirill Andreev <andreev@iitp.ru>

 */

#include "ns3/mesh-helper.h"

#include "ns3/simulator.h"

#include "ns3/random-variable-stream.h"

#include "ns3/rng-seed-manager.h"

#include "ns3/mobility-helper.h"

#include "ns3/double.h"

#include "ns3/uinteger.h"

#include "ns3/string.h"

#include "ns3/yans-wifi-helper.h"

#include "ns3/internet-stack-helper.h"

#include "ns3/ipv4-address-helper.h"

#include "ns3/abort.h"

#include "ns3/pcap-test.h"

#include "ns3/mobility-model.h"

#include <sstream>

#include "flame-regression.h"

using namespace ns3;

/// Unique PCAP file name prefix

const char * const PREFIX = "flame-regression-test";

FlameRegressionTest::FlameRegressionTest () : TestCase ("FLAME regression test"),

                                              m_nodes (0),

{

}

FlameRegressionTest::~FlameRegressionTest ()

{

  delete m_nodes;

}

void

FlameRegressionTest::DoRun ()

{

  RngSeedManager::SetSeed (12345);

  RngSeedManager::SetRun (7);

  CreateNodes ();

  CreateDevices ();

  InstallApplications ();

  Simulator::Stop (m_time);

  Simulator::Run ();

  Simulator::Destroy ();

  CheckResults ();

  delete m_nodes, m_nodes = 0;

}

void

FlameRegressionTest::CreateNodes ()

{

  m_nodes = new NodeContainer;

  m_nodes->Create (3);

  MobilityHelper mobility;

  mobility.SetPositionAllocator ("ns3::GridPositionAllocator",

                                 "MinX", DoubleValue (0.0),

                                 "MinY", DoubleValue (0.0),

                                 "DeltaX", DoubleValue (150),

                                 "DeltaY", DoubleValue (0),

                                 "GridWidth", UintegerValue (3),

                                 "LayoutType", StringValue ("RowFirst"));

  mobility.SetMobilityModel ("ns3::ConstantPositionMobilityModel");

  mobility.Install (*m_nodes);

}

void

FlameRegressionTest::CreateDevices ()

{

  int64_t streamsUsed = 0;

  // 1. setup WiFi

  YansWifiPhyHelper wifiPhy = YansWifiPhyHelper::Default ();

  // This test suite output was originally based on YansErrorRateModel

  wifiPhy.SetErrorRateModel ("ns3::YansErrorRateModel"); 

  YansWifiChannelHelper wifiChannel = YansWifiChannelHelper::Default ();

  Ptr<YansWifiChannel> chan = wifiChannel.Create ();

  wifiPhy.SetChannel (chan);

  // 2. setup mesh

  MeshHelper mesh = MeshHelper::Default ();

  mesh.SetStackInstaller ("ns3::FlameStack");

  mesh.SetMacType ("RandomStart", TimeValue (Seconds (0.1)));

  mesh.SetNumberOfInterfaces (1);

  NetDeviceContainer meshDevices = mesh.Install (wifiPhy, *m_nodes);

  // Three devices, seven streams per device

  streamsUsed += mesh.AssignStreams (meshDevices, streamsUsed);

  NS_TEST_ASSERT_MSG_EQ (streamsUsed, (meshDevices.GetN () * 7), "Stream assignment unexpected value");

  // No further streams used in the default wifi channel configuration

  streamsUsed += wifiChannel.AssignStreams (chan, streamsUsed);

  NS_TEST_ASSERT_MSG_EQ (streamsUsed, (meshDevices.GetN () * 7), "Stream assignment unexpected value");

  // 3. setup TCP/IP

  InternetStackHelper internetStack;

  internetStack.Install (*m_nodes);

  streamsUsed += internetStack.AssignStreams (*m_nodes, streamsUsed);

  Ipv4AddressHelper address;

  address.SetBase ("10.1.1.0", "255.255.255.0");

  m_interfaces = address.Assign (meshDevices);

  // 4. write PCAP if needed

  wifiPhy.EnablePcapAll (CreateTempDirFilename (PREFIX));

}

void

FlameRegressionTest::InstallApplications ()

{

}

void

FlameRegressionTest::CheckResults ()

{

  for (int i = 0; i < 3; ++i)

    {

      NS_PCAP_TEST_EXPECT_EQ (PREFIX << "-" << i << "-1.pcap");

    }

}