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

 /*

  * Copyright (c) 2008 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 <string>

 #include "ns3/log.h"

 #include "ns3/simulator.h"

 #include "ns3/object-factory.h"

 #include "ns3/names.h"

 #include "ns3/queue.h"

 #include "ns3/emu-net-device.h"

 #include "ns3/pcap-writer.h"

 #include "ns3/config.h"

 #include "ns3/packet.h"

 #include "emu-helper.h"

 NS_LOG_COMPONENT_DEFINE ("EmuHelper");

 namespace ns3 {

 EmuHelper::EmuHelper ()

 {

   NS_LOG_FUNCTION_NOARGS ();

   m_queueFactory.SetTypeId ("ns3::DropTailQueue");

   m_deviceFactory.SetTypeId ("ns3::EmuNetDevice");

 }

 void 

 EmuHelper::SetQueue (

   std::string type,

   std::string n1, const AttributeValue &v1,

   std::string n2, const AttributeValue &v2,

   std::string n3, const AttributeValue &v3,

   std::string n4, const AttributeValue &v4)

 {

   NS_LOG_FUNCTION_NOARGS ();

   m_queueFactory.SetTypeId (type);

   m_queueFactory.Set (n1, v1);

   m_queueFactory.Set (n2, v2);

   m_queueFactory.Set (n3, v3);

   m_queueFactory.Set (n4, v4);

 }

 void 

 EmuHelper::SetAttribute (std::string n1, const AttributeValue &v1)

 {

   NS_LOG_FUNCTION_NOARGS ();

   m_deviceFactory.Set (n1, v1);

 }

 void 

 EmuHelper::EnablePcap (std::string filename, uint32_t nodeid, uint32_t deviceid, bool promiscuous)

 {

   NS_LOG_FUNCTION (filename << nodeid << deviceid << promiscuous);

   std::ostringstream oss;

   oss << filename << "-" << nodeid << "-" << deviceid << ".pcap";

   Ptr<PcapWriter> pcap = CreateObject<PcapWriter> ();

   pcap->Open (oss.str ());

   pcap->WriteEthernetHeader ();

   oss.str ("");

   oss << "/NodeList/" << nodeid << "/DeviceList/" << deviceid;

   if (promiscuous)

     {

       oss << "/$ns3::EmuNetDevice/PromiscSniffer";

     }

   else

     {

       oss << "/$ns3::EmuNetDevice/Sniffer";

     }

   Config::ConnectWithoutContext (oss.str (), MakeBoundCallback (&EmuHelper::SniffEvent, pcap));

 }

 void 

 EmuHelper::EnablePcap (std::string filename, Ptr<NetDevice> nd, bool promiscuous)

 {

   NS_LOG_FUNCTION (filename << &nd << promiscuous);

   EnablePcap (filename, nd->GetNode ()->GetId (), nd->GetIfIndex (), promiscuous);

 }

 void 

 EmuHelper::EnablePcap (std::string filename, std::string ndName, bool promiscuous)

 {

   NS_LOG_FUNCTION (filename << ndName << promiscuous);

   Ptr<NetDevice> nd = Names::Find<NetDevice> (ndName);

   EnablePcap (filename, nd->GetNode ()->GetId (), nd->GetIfIndex (), promiscuous);

 }

 void 

 EmuHelper::EnablePcap (std::string filename, NetDeviceContainer d, bool promiscuous)

 {

   NS_LOG_FUNCTION (filename << &d << promiscuous);

   for (NetDeviceContainer::Iterator i = d.Begin (); i != d.End (); ++i)

     {

       Ptr<NetDevice> dev = *i;

       EnablePcap (filename, dev->GetNode ()->GetId (), dev->GetIfIndex (), promiscuous);

     }

 }

 void

 EmuHelper::EnablePcap (std::string filename, NodeContainer n, bool promiscuous)

 {

   NS_LOG_FUNCTION (filename << &n << promiscuous);

   NetDeviceContainer devs;

   for (NodeContainer::Iterator i = n.Begin (); i != n.End (); ++i)

     {

       Ptr<Node> node = *i;

       for (uint32_t j = 0; j < node->GetNDevices (); ++j)

 	{

 	  devs.Add (node->GetDevice (j));

 	}

     }

   EnablePcap (filename, devs, promiscuous);

 }

 void

 EmuHelper::EnablePcapAll (std::string filename, bool promiscuous)

 {

   NS_LOG_FUNCTION (filename << promiscuous);

   EnablePcap (filename, NodeContainer::GetGlobal (), promiscuous);

 }

 void 

 EmuHelper::EnableAscii (std::ostream &os, uint32_t nodeid, uint32_t deviceid)

 {

   NS_LOG_FUNCTION (&os << nodeid << deviceid);

   Packet::EnablePrinting ();

   std::ostringstream oss;

   oss << "/NodeList/" << nodeid << "/DeviceList/" << deviceid << "/$ns3::EmuNetDevice/MacRx";

   Config::Connect (oss.str (), MakeBoundCallback (&EmuHelper::AsciiRxEvent, &os));

   oss.str ("");

   oss << "/NodeList/" << nodeid << "/DeviceList/" << deviceid << "/$ns3::EmuNetDevice/TxQueue/Enqueue";

   Config::Connect (oss.str (), MakeBoundCallback (&EmuHelper::AsciiEnqueueEvent, &os));

   oss.str ("");

   oss << "/NodeList/" << nodeid << "/DeviceList/" << deviceid << "/$ns3::EmuNetDevice/TxQueue/Dequeue";

   Config::Connect (oss.str (), MakeBoundCallback (&EmuHelper::AsciiDequeueEvent, &os));

   oss.str ("");

   oss << "/NodeList/" << nodeid << "/DeviceList/" << deviceid << "/$ns3::EmuNetDevice/TxQueue/Drop";

   Config::Connect (oss.str (), MakeBoundCallback (&EmuHelper::AsciiDropEvent, &os));

 }

 void 

 EmuHelper::EnableAscii (std::ostream &os, NetDeviceContainer d)

 {

   NS_LOG_FUNCTION (&os << &d);

   for (NetDeviceContainer::Iterator i = d.Begin (); i != d.End (); ++i)

     {

       Ptr<NetDevice> dev = *i;

       EnableAscii (os, dev->GetNode ()->GetId (), dev->GetIfIndex ());

     }

 }

 void

 EmuHelper::EnableAscii (std::ostream &os, NodeContainer n)

 {

   NS_LOG_FUNCTION (&os << &n);

   NetDeviceContainer devs;

   for (NodeContainer::Iterator i = n.Begin (); i != n.End (); ++i)

     {

       Ptr<Node> node = *i;

       for (uint32_t j = 0; j < node->GetNDevices (); ++j)

 	{

 	  devs.Add (node->GetDevice (j));

 	}

     }

   EnableAscii (os, devs);

 }

 void

 EmuHelper::EnableAsciiAll (std::ostream &os)

 {

   NS_LOG_FUNCTION (&os);

   EnableAscii (os, NodeContainer::GetGlobal ());

 }

 NetDeviceContainer

 EmuHelper::Install (Ptr<Node> node) const

 {

   return NetDeviceContainer (InstallPriv (node));

 }

 NetDeviceContainer

 EmuHelper::Install (std::string nodeName) const

 {

   Ptr<Node> node = Names::Find<Node> (nodeName);

   return NetDeviceContainer (InstallPriv (node));

 }

 NetDeviceContainer 

 EmuHelper::Install (const NodeContainer &c) const

 {

   NetDeviceContainer devs;

   for (NodeContainer::Iterator i = c.Begin (); i != c.End (); i++)

     {

       devs.Add (InstallPriv (*i));

     }

   return devs;

 }

 Ptr<NetDevice>

 EmuHelper::InstallPriv (Ptr<Node> node) const

 {

   Ptr<EmuNetDevice> device = m_deviceFactory.Create<EmuNetDevice> ();

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

   node->AddDevice (device);

   Ptr<Queue> queue = m_queueFactory.Create<Queue> ();

   device->SetQueue (queue);

   return device;

 }

 void 

 EmuHelper::SniffEvent (Ptr<PcapWriter> writer, Ptr<const Packet> packet)

 {

   NS_LOG_FUNCTION (writer << packet);

   writer->WritePacket (packet);

 }

 void 

 EmuHelper::AsciiEnqueueEvent (

   std::ostream *os, 

   std::string path, 

   Ptr<const Packet> packet)

 {

   NS_LOG_FUNCTION (&os << path << packet);

   *os << "+ " << Simulator::Now ().GetSeconds () << " ";

   *os << path << " " << *packet << std::endl;

 }

 void 

 EmuHelper::AsciiDequeueEvent (

   std::ostream *os, 

   std::string path, 

   Ptr<const Packet> packet)

 {

   NS_LOG_FUNCTION (&os << path << packet);

   *os << "- " << Simulator::Now ().GetSeconds () << " ";

   *os << path << " " << *packet << std::endl;

 }

 void 

 EmuHelper::AsciiDropEvent (

   std::ostream *os, 

   std::string path, 

   Ptr<const Packet> packet)

 {

   NS_LOG_FUNCTION (&os << path << packet);

   *os << "d " << Simulator::Now ().GetSeconds () << " ";

   *os << path << " " << *packet << std::endl;

 }

 void 

 EmuHelper::AsciiRxEvent (

   std::ostream *os, 

   std::string path, 

   Ptr<const Packet> packet)

 {

   NS_LOG_FUNCTION (&os << path << packet);

   *os << "r " << Simulator::Now ().GetSeconds () << " ";

   *os << path << " " << *packet << std::endl;

 }

 } // namespace ns3