/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
/*
 * 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 <iostream>
#include <fstream>
#include <cassert>
#include <string>
#include <string.h>

#include "ns3/core-module.h"
#include "ns3/network-module.h"
#include "ns3/csma-module.h"
#include "ns3/internet-module.h"
#include "ns3/point-to-point-module.h"
#include "ns3/applications-module.h"
#include "ns3/ipv4-global-routing-helper.h"
#include "ns3/tap-bridge-helper.h"
#include "ns3/ipv4-routing-table-entry.h"

// Default Network Topology
//
//			 10.0.0.0
// ca ============== cb
//			 LAN
//			 100Mbps
//			 5ms
//

using namespace std;
using namespace ns3;

void socketRecv (Ptr<Socket>);

void SendStuff (Ptr<Socket>, Ipv4Address, uint16_t);

NS_LOG_COMPONENT_DEFINE ("foo");

int i = 0;

int main (int argc, char *argv[])
{
	CommandLine cmd;
	cmd.Parse (argc, argv);

	GlobalValue::Bind ("SimulatorImplementationType", StringValue ("ns3::RealtimeSimulatorImpl"));
	GlobalValue::Bind ("ChecksumEnabled", BooleanValue (true));

	LogComponentEnable ("UdpEchoClientApplication", LOG_LEVEL_INFO);
	LogComponentEnable ("UdpEchoServerApplication", LOG_LEVEL_INFO);

	Ptr<Node> ca = CreateObject<Node> ();
	Ptr<Node> cb = CreateObject<Node> ();

	NodeContainer csmaNodes1 = NodeContainer (ca, cb);

	CsmaHelper csma;
	csma.SetChannelAttribute ("DataRate", StringValue ("1Gbps"));
	csma.SetChannelAttribute ("Delay", StringValue ("0ms"));
	NetDeviceContainer csmaDevices1 = csma.Install (csmaNodes1);

	InternetStackHelper stack;
	stack.Install (csmaNodes1);

	Ipv4AddressHelper addresses;
	addresses.SetBase ("10.0.0.0", "255.255.255.0");
	Ipv4InterfaceContainer csmaInterfaces1 = addresses.Assign (csmaDevices1);

	Ipv4GlobalRoutingHelper::PopulateRoutingTables ();

	TapBridgeHelper tapBridge;
	tapBridge.SetAttribute ("Mode", StringValue ("ConfigureLocal"));
	tapBridge.SetAttribute ("DeviceName", StringValue ("tapOut"));
	tapBridge.Install (cb, csmaDevices1.Get (1));

	UdpEchoClientHelper clientHelper (Ipv4Address ("10.0.0.3"), 9);
	clientHelper.SetAttribute ("MaxPackets", UintegerValue (2));
	clientHelper.SetAttribute ("Interval", TimeValue (Seconds (1)));
	ApplicationContainer clientApp = clientHelper.Install (ca);
	clientApp.Start (Seconds (1.));


	csma.EnablePcapAll ("udp-echo");
	
	Simulator::Stop (Seconds (10.));
	Simulator::Run ();
	Simulator::Destroy ();
	return 0;
}