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

/*

 * Copyright (c) 2005,2006 INRIA

 *               2010      NICTA

 *

 * 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

 *

 * Author: Mathieu Lacage <[email protected]>

 *         Quincy Tse <[email protected]> (Case for Bug 991)

 */

#include "wifi-net-device.h"

#include "yans-wifi-channel.h"

#include "adhoc-wifi-mac.h"

#include "yans-wifi-phy.h"

#include "arf-wifi-manager.h"

#include "ns3/propagation-delay-model.h"

#include "ns3/propagation-loss-model.h"

#include "error-rate-model.h"

#include "yans-error-rate-model.h"

#include "ns3/constant-position-mobility-model.h"

#include "ns3/node.h"

#include "ns3/simulator.h"

#include "ns3/test.h"

#include "ns3/object-factory.h"

#include "dca-txop.h"

#include "mac-rx-middle.h"

#include "ns3/pointer.h"

namespace ns3 {

class WifiTest : public TestCase

{

public:

  WifiTest ();

  virtual bool DoRun (void);

private:

  void RunOne (void);

  void CreateOne (Vector pos, Ptr<YansWifiChannel> channel);

  void SendOnePacket (Ptr<WifiNetDevice> dev);

  ObjectFactory m_manager;

  ObjectFactory m_mac;

  ObjectFactory m_propDelay;

};

WifiTest::WifiTest ()

  : TestCase ("Wifi")

{

}

void

WifiTest::SendOnePacket (Ptr<WifiNetDevice> dev)

{

  Ptr<Packet> p = Create<Packet> ();

  dev->Send (p, dev->GetBroadcast (), 1);

}

void

WifiTest::CreateOne (Vector pos, Ptr<YansWifiChannel> channel)

{

  Ptr<Node> node = CreateObject<Node> ();

  Ptr<WifiNetDevice> dev = CreateObject<WifiNetDevice> ();

  Ptr<WifiMac> mac = m_mac.Create<WifiMac> ();

  mac->ConfigureStandard (WIFI_PHY_STANDARD_80211a);

  Ptr<ConstantPositionMobilityModel> mobility = CreateObject<ConstantPositionMobilityModel> ();

  Ptr<YansWifiPhy> phy = CreateObject<YansWifiPhy> ();

  Ptr<ErrorRateModel> error = CreateObject<YansErrorRateModel> ();

  phy->SetErrorRateModel (error);

  phy->SetChannel (channel);

  phy->SetDevice (dev);

  phy->SetMobility (node);

  phy->ConfigureStandard (WIFI_PHY_STANDARD_80211a);

  Ptr<WifiRemoteStationManager> manager = m_manager.Create<WifiRemoteStationManager> ();

  mobility->SetPosition (pos);

  node->AggregateObject (mobility);

  mac->SetAddress (Mac48Address::Allocate ());

  dev->SetMac (mac);

  dev->SetPhy (phy);

  dev->SetRemoteStationManager (manager);

  node->AddDevice (dev);

  Simulator::Schedule (Seconds (1.0), &WifiTest::SendOnePacket, this, dev);

}

void

WifiTest::RunOne (void)

{

  Ptr<YansWifiChannel> channel = CreateObject<YansWifiChannel> ();

  Ptr<PropagationDelayModel> propDelay = m_propDelay.Create<PropagationDelayModel> ();

  Ptr<PropagationLossModel> propLoss = CreateObject<RandomPropagationLossModel> ();

  channel->SetPropagationDelayModel (propDelay);

  channel->SetPropagationLossModel (propLoss);

  CreateOne (Vector (0.0, 0.0, 0.0), channel);

  CreateOne (Vector (5.0, 0.0, 0.0), channel);

  CreateOne (Vector (5.0, 0.0, 0.0), channel);

  Simulator::Run ();

  Simulator::Destroy ();

  Simulator::Stop (Seconds (10.0));

}

bool

WifiTest::DoRun (void)

{

  m_mac.SetTypeId ("ns3::AdhocWifiMac");

  m_propDelay.SetTypeId ("ns3::ConstantSpeedPropagationDelayModel");

  m_manager.SetTypeId ("ns3::ArfWifiManager");

  RunOne ();

  m_manager.SetTypeId ("ns3::AarfWifiManager");

  RunOne ();

  m_manager.SetTypeId ("ns3::ConstantRateWifiManager");

  RunOne ();

  m_manager.SetTypeId ("ns3::OnoeWifiManager");

  RunOne ();

  m_manager.SetTypeId ("ns3::AmrrWifiManager");

  RunOne ();

  m_manager.SetTypeId ("ns3::IdealWifiManager");

  RunOne ();

  m_mac.SetTypeId ("ns3::AdhocWifiMac");

  RunOne ();

  m_mac.SetTypeId ("ns3::ApWifiMac");

  RunOne ();

  m_mac.SetTypeId ("ns3::StaWifiMac");

  RunOne ();

  m_propDelay.SetTypeId ("ns3::RandomPropagationDelayModel");

  m_mac.SetTypeId ("ns3::AdhocWifiMac");

  RunOne ();

  Simulator::Destroy ();

  return false;

}

//-----------------------------------------------------------------------------

class QosUtilsIsOldPacketTest : public TestCase

{

public:

  QosUtilsIsOldPacketTest () : TestCase ("QosUtilsIsOldPacket") {}

  virtual bool DoRun (void)

  {

    // startingSeq=0, seqNum=2047

    NS_TEST_EXPECT_MSG_EQ (QosUtilsIsOldPacket (0, 2047), false, "2047 is new in comparison to 0");

    // startingSeq=0, seqNum=2048

    NS_TEST_EXPECT_MSG_EQ (QosUtilsIsOldPacket (0, 2048), true, "2048 is old in comparison to 0");

    // startingSeq=2048, seqNum=0

    NS_TEST_EXPECT_MSG_EQ (QosUtilsIsOldPacket (2048, 0), true, "0 is old in comparison to 2048");

    // startingSeq=4095, seqNum=0

    NS_TEST_EXPECT_MSG_EQ (QosUtilsIsOldPacket (4095, 0), false, "0 is new in comparison to 4095");

    // startingSeq=0, seqNum=4095

    NS_TEST_EXPECT_MSG_EQ (QosUtilsIsOldPacket (0, 4095), true, "4095 is old in comparison to 0");

    // startingSeq=4095 seqNum=2047

    NS_TEST_EXPECT_MSG_EQ (QosUtilsIsOldPacket (4095, 2047), true, "2047 is old in comparison to 4095");

    // startingSeq=2048 seqNum=4095

    NS_TEST_EXPECT_MSG_EQ (QosUtilsIsOldPacket (2048, 4095), false, "4095 is new in comparison to 2048");

    // startingSeq=2049 seqNum=0

    NS_TEST_EXPECT_MSG_EQ (QosUtilsIsOldPacket (2049, 0), false, "0 is new in comparison to 2049");

    return GetErrorStatus ();

  }

};

//-----------------------------------------------------------------------------

class InterferenceHelperSequenceTest : public TestCase

{

public:

  InterferenceHelperSequenceTest ();

  virtual bool DoRun (void);

private:

  Ptr<Node> CreateOne (Vector pos, Ptr<YansWifiChannel> channel);

  void SendOnePacket (Ptr<WifiNetDevice> dev);

  void SwitchCh (Ptr<WifiNetDevice> dev);

  ObjectFactory m_manager;

  ObjectFactory m_mac;

  ObjectFactory m_propDelay;

};

InterferenceHelperSequenceTest::InterferenceHelperSequenceTest ()

  : TestCase ("InterferenceHelperSequence")

{

}

void

InterferenceHelperSequenceTest::SendOnePacket (Ptr<WifiNetDevice> dev)

{

  Ptr<Packet> p = Create<Packet> (9999);

  dev->Send (p, dev->GetBroadcast (), 1);

}

void

InterferenceHelperSequenceTest::SwitchCh (Ptr<WifiNetDevice> dev)

{

  Time now = Simulator::Now();

  Ptr<WifiPhy> p = dev->GetPhy ();

  p->SetChannelNumber (1);

}

Ptr<Node>

InterferenceHelperSequenceTest::CreateOne (Vector pos, Ptr<YansWifiChannel> channel)

{

  Ptr<Node> node = CreateObject<Node> ();

  Ptr<WifiNetDevice> dev = CreateObject<WifiNetDevice> ();

  Ptr<WifiMac> mac = m_mac.Create<WifiMac> ();

  mac->ConfigureStandard (WIFI_PHY_STANDARD_80211a);

  Ptr<ConstantPositionMobilityModel> mobility = CreateObject<ConstantPositionMobilityModel> ();

  Ptr<YansWifiPhy> phy = CreateObject<YansWifiPhy> ();

  Ptr<ErrorRateModel> error = CreateObject<YansErrorRateModel> ();

  phy->SetErrorRateModel (error);

  phy->SetChannel (channel);

  phy->SetDevice (dev);

  phy->SetMobility (node);

  phy->ConfigureStandard (WIFI_PHY_STANDARD_80211a);

  Ptr<WifiRemoteStationManager> manager = m_manager.Create<WifiRemoteStationManager> ();

  mobility->SetPosition (pos);

  node->AggregateObject (mobility);

  mac->SetAddress (Mac48Address::Allocate ());

  dev->SetMac (mac);

  dev->SetPhy (phy);

  dev->SetRemoteStationManager (manager);

  node->AddDevice (dev);

  return node;

}

bool

InterferenceHelperSequenceTest::DoRun (void)

{

  m_mac.SetTypeId ("ns3::AdhocWifiMac");

  m_propDelay.SetTypeId ("ns3::ConstantSpeedPropagationDelayModel");

  m_manager.SetTypeId ("ns3::ConstantRateWifiManager");

  Ptr<YansWifiChannel> channel = CreateObject<YansWifiChannel> ();

  Ptr<PropagationDelayModel> propDelay = m_propDelay.Create<PropagationDelayModel> ();

  Ptr<MatrixPropagationLossModel> propLoss = CreateObject<MatrixPropagationLossModel> ();

  channel->SetPropagationDelayModel (propDelay);

  channel->SetPropagationLossModel (propLoss);

  Ptr<Node> rxOnly = CreateOne (Vector (0.0, 0.0, 0.0), channel);

  Ptr<Node> senderA = CreateOne (Vector (5.0, 0.0, 0.0), channel);

  Ptr<Node> senderB = CreateOne (Vector (-5.0, 0.0, 0.0), channel);

  propLoss->SetLoss (senderB, rxOnly, 0, true);

  propLoss->SetDefaultLoss (999);

  Simulator::Schedule (Seconds (1.0),

                       &InterferenceHelperSequenceTest::SendOnePacket, this,

                       DynamicCast<WifiNetDevice> (senderB->GetDevice (0)));

  Simulator::Schedule (Seconds (1.0000001),

                       &InterferenceHelperSequenceTest::SwitchCh, this,

                       DynamicCast<WifiNetDevice> (rxOnly->GetDevice (0)));

  Simulator::Schedule (Seconds (5.0),

                       &InterferenceHelperSequenceTest::SendOnePacket, this,

                       DynamicCast<WifiNetDevice> (senderA->GetDevice (0)));

  Simulator::Schedule (Seconds (7.0),

                       &InterferenceHelperSequenceTest::SendOnePacket, this,

                       DynamicCast<WifiNetDevice> (senderB->GetDevice (0)));

  Simulator::Stop (Seconds (100.0));

  Simulator::Run ();

  Simulator::Destroy ();

  return false;

}

//-----------------------------------------------------------------------------

class WifiTestSuite : public TestSuite

{

public:

  WifiTestSuite ();

};

WifiTestSuite::WifiTestSuite ()

  : TestSuite ("devices-wifi", UNIT)

{

  AddTestCase (new WifiTest);

  AddTestCase (new QosUtilsIsOldPacketTest);

  AddTestCase (new InterferenceHelperSequenceTest); // Bug 991

}

} // namespace ns3