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/*
* Copyright (c) 2009 INRIA
*
* SPDX-License-Identifier: GPL-2.0-only
*
* Author: Mohamed Amine Ismail <amine.ismail@sophia.inria.fr>
*/
// Network topology
//
// n0 n1
// | |
// =======
// LAN (CSMA)
//
// - UDP flow from n0 to n1 of packets drawn from a trace file
// -- option to use IPv4 or IPv6 addressing
// -- option to disable logging statements
#include "ns3/applications-module.h"
#include "ns3/core-module.h"
#include "ns3/csma-module.h"
#include "ns3/internet-module.h"
#include <fstream>
using namespace ns3;
NS_LOG_COMPONENT_DEFINE("UdpTraceClientServerExample");
int
main(int argc, char* argv[])
{
// Declare variables used in command-line arguments
bool useV6 = false;
bool logging = true;
uint16_t port = 4000;
Address serverAddress;
CommandLine cmd(__FILE__);
cmd.AddValue("useIpv6", "Use Ipv6", useV6);
cmd.AddValue("logging", "Enable logging", logging);
cmd.Parse(argc, argv);
if (logging)
{
LogComponentEnable("UdpClient", LOG_LEVEL_INFO);
LogComponentEnable("UdpServer", LOG_LEVEL_INFO);
}
NS_LOG_INFO("Create nodes in above topology.");
NodeContainer n;
n.Create(2);
InternetStackHelper internet;
internet.Install(n);
NS_LOG_INFO("Create channel between the two nodes.");
CsmaHelper csma;
csma.SetChannelAttribute("DataRate", DataRateValue(DataRate(5000000)));
csma.SetChannelAttribute("Delay", TimeValue(MilliSeconds(2)));
csma.SetDeviceAttribute("Mtu", UintegerValue(1500));
NetDeviceContainer d = csma.Install(n);
NS_LOG_INFO("Assign IP Addresses.");
if (!useV6)
{
Ipv4AddressHelper ipv4;
ipv4.SetBase("10.1.1.0", "255.255.255.0");
Ipv4InterfaceContainer i = ipv4.Assign(d);
serverAddress = InetSocketAddress(i.GetAddress(1), port);
}
else
{
Ipv6AddressHelper ipv6;
ipv6.SetBase("2001:0000:f00d:cafe::", Ipv6Prefix(64));
Ipv6InterfaceContainer i6 = ipv6.Assign(d);
serverAddress = Inet6SocketAddress(i6.GetAddress(1, 1), port);
}
NS_LOG_INFO("Create UdpServer application on node 1.");
UdpServerHelper server(port);
ApplicationContainer apps = server.Install(n.Get(1));
apps.Start(Seconds(1));
apps.Stop(Seconds(10));
NS_LOG_INFO("Create UdpClient application on node 0 to send to node 1.");
uint32_t MaxPacketSize = 1472; // Back off 20 (IP) + 8 (UDP) bytes from MTU
UdpTraceClientHelper client(serverAddress);
client.SetAttribute("MaxPacketSize", UintegerValue(MaxPacketSize));
apps = client.Install(n.Get(0));
apps.Start(Seconds(2));
apps.Stop(Seconds(10));
NS_LOG_INFO("Run Simulation.");
Simulator::Run();
Simulator::Destroy();
NS_LOG_INFO("Done.");
return 0;
}
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