1 /* Copyright (c) 2007-2014. The SimGrid Team.
2 * All rights reserved. */
4 /* This program is free software; you can redistribute it and/or modify it
5 * under the terms of the license (GNU LGPL) which comes with this package. */
7 #include "ns3_interface.h"
8 #include "ns3_simulator.h"
11 #include "xbt/dynar.h"
12 #include "xbt/Extendable.hpp"
17 extern xbt_dynar_t IPV4addr;
19 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(ns3, surf,
20 "Logging specific to the SURF network NS3 module");
22 InternetStackHelper stack;
24 NodeContainer Cluster_nodes;
25 Ipv4InterfaceContainer interfaces;
27 int number_of_nodes = 0;
28 int number_of_clusters_nodes = 0;
29 int number_of_links = 1;
30 int number_of_networks = 1;
31 int port_number = 1025; //Port number is limited from 1025 to 65 000
33 static NS3Sim* ns3_sim = 0;
35 void ns3_simulator(double min){
36 ns3_sim->simulator_start(min);
39 simgrid::surf::NetworkNS3Action* ns3_get_socket_action(void *socket){
40 return ((MySocket *)socket)->action;
43 double ns3_get_socket_remains(void *socket){
44 return ((MySocket *)socket)->remaining;
47 double ns3_get_socket_sent(void *socket){
48 return ((MySocket *)socket)->sentBytes;
51 char ns3_get_socket_is_finished(void *socket){
52 return ((MySocket *)socket)->finished;
55 int ns3_create_flow(const char* a,const char *b,double start,u_int32_t TotalBytes,simgrid::surf::NetworkNS3Action * action)
57 ns3_node_t node1 = ns3_find_host(a);
58 ns3_node_t node2 = ns3_find_host(b);
60 Ptr<Node> src_node = nodes.Get(node1->node_num);
61 Ptr<Node> dst_node = nodes.Get(node2->node_num);
63 char* addr = (char*)xbt_dynar_get_as(IPV4addr,node2->node_num,char*);
65 XBT_DEBUG("ns3_create_flow %d Bytes from %d to %d with Interface %s",TotalBytes, node1->node_num, node2->node_num,addr);
66 ns3_sim->create_flow_NS3(src_node,
75 if(port_number >= 65001 ) xbt_die("Too many connections! Port number is saturated.");
80 int ns3_finalize(void){
81 if (!ns3_sim) return -1;
87 // initialize the NS3 interface and environment
88 int ns3_initialize(const char* TcpProtocol){
89 xbt_assert(!ns3_sim, "ns3 already initialized");
90 ns3_sim = new NS3Sim();
97 Config::SetDefault ("ns3::TcpSocket::SegmentSize", UintegerValue (1024)); // 1024-byte packet for easier reading
98 Config::SetDefault ("ns3::TcpSocket::DelAckCount", UintegerValue (1));
100 if(!strcmp(TcpProtocol,"default")){
103 if(!strcmp(TcpProtocol,"Reno")){
104 XBT_INFO("Switching Tcp protocol to '%s'",TcpProtocol);
105 Config::SetDefault ("ns3::TcpL4Protocol::SocketType", StringValue("ns3::TcpReno"));
108 if(!strcmp(TcpProtocol,"NewReno")){
109 XBT_INFO("Switching Tcp protocol to '%s'",TcpProtocol);
110 Config::SetDefault ("ns3::TcpL4Protocol::SocketType", StringValue("ns3::TcpNewReno"));
113 if(!strcmp(TcpProtocol,"Tahoe")){
114 XBT_INFO("Switching Tcp protocol to '%s'",TcpProtocol);
115 Config::SetDefault ("ns3::TcpL4Protocol::SocketType", StringValue("ns3::TcpTahoe"));
119 XBT_ERROR("The ns3/TcpModel must be : NewReno or Reno or Tahoe");
123 void * ns3_add_host(const char * id)
125 ns3_node_t host = xbt_new0(s_ns3_node_t,1);
126 XBT_DEBUG("Interface ns3 add host[%d] '%s'",number_of_nodes,id);
127 Ptr<Node> node = CreateObject<Node> (0);
130 host->node_num = number_of_nodes;
131 host->type = NS3_NETWORK_ELEMENT_HOST;
136 void * ns3_add_host_cluster(const char * id)
138 ns3_node_t host = xbt_new0(s_ns3_node_t,1);
139 XBT_DEBUG("Interface ns3 add host[%d] '%s'",number_of_nodes,id);
140 Ptr<Node> node = CreateObject<Node> (0);
142 Cluster_nodes.Add(node);
144 host->node_num = number_of_nodes;
145 host->type = NS3_NETWORK_ELEMENT_HOST;
150 void * ns3_add_router(const char * id)
152 ns3_node_t router = xbt_new0(s_ns3_node_t,1);
153 XBT_DEBUG("Interface ns3 add router[%d] '%s'",number_of_nodes,id);
154 Ptr<Node> node = CreateObject<Node> (0);
157 router->node_num = number_of_nodes;
158 router->type = NS3_NETWORK_ELEMENT_ROUTER;
163 void ns3_add_cluster(char * bw,char * lat,const char *id)
166 XBT_DEBUG("cluster_id: %s",id);
167 XBT_DEBUG("bw: %s lat: %s",bw,lat);
168 XBT_DEBUG("Number of %s nodes: %d",id,Cluster_nodes.GetN() - number_of_clusters_nodes);
173 for(i = number_of_clusters_nodes; i < Cluster_nodes.GetN() ; i++){
174 Nodes.Add(Cluster_nodes.Get(i));
175 XBT_DEBUG("Add node %d to cluster",i);
177 number_of_clusters_nodes = Cluster_nodes.GetN();
179 XBT_DEBUG("Add router %d to cluster",nodes.GetN()-Nodes.GetN()-1);
180 Nodes.Add(nodes.Get(nodes.GetN()-Nodes.GetN()-1));
182 if(Nodes.GetN() > 65000)
183 xbt_die("Cluster with NS3 is limited to 65000 nodes");
185 csma.SetChannelAttribute ("DataRate", StringValue (bw));
186 csma.SetChannelAttribute ("Delay", StringValue (lat));
187 NetDeviceContainer devices = csma.Install (Nodes);
188 XBT_DEBUG("Create CSMA");
190 char * adr = bprintf("%d.%d.0.0",number_of_networks,number_of_links);
191 XBT_DEBUG("Assign IP Addresses %s to CSMA.",adr);
192 Ipv4AddressHelper ipv4;
193 ipv4.SetBase (adr, "255.255.0.0");
195 interfaces.Add(ipv4.Assign (devices));
197 if(number_of_links == 255){
198 if(number_of_networks == 255)
199 xbt_die("Number of links and networks exceed 255*255");
201 number_of_networks++;
205 XBT_DEBUG("Number of nodes in Cluster_nodes: %d",Cluster_nodes.GetN());
208 void * ns3_add_AS(const char * id)
210 XBT_DEBUG("Interface ns3 add AS '%s'",id);
214 static char* transformIpv4Address (Ipv4Address from){
215 std::stringstream sstream;
217 std::string s = sstream.str();
218 return bprintf("%s",s.c_str());
221 void ns3_add_link(int src, e_ns3_network_element_type_t type_src,
222 int dst, e_ns3_network_element_type_t type_dst,
225 if(number_of_links == 1 ) {
226 LogComponentEnable("UdpEchoClientApplication", LOG_LEVEL_INFO);
227 LogComponentEnable("UdpEchoServerApplication", LOG_LEVEL_INFO);
230 MyPointToPointHelper pointToPoint;
232 NetDeviceContainer netA;
233 Ipv4AddressHelper address;
235 Ptr<Node> a = nodes.Get(src);
236 Ptr<Node> b = nodes.Get(dst);
238 XBT_DEBUG("\tAdd PTP from %d to %d bw:'%s' lat:'%s'",src,dst,bw,lat);
239 pointToPoint.SetDeviceAttribute ("DataRate", StringValue (bw));
240 pointToPoint.SetChannelAttribute ("Delay", StringValue (lat));
241 //pointToPoint.EnablePcapAll("test_ns3_trace"); //DEBUG
243 netA.Add(pointToPoint.Install (a, type_src, b, type_dst));
245 char * adr = bprintf("%d.%d.0.0",number_of_networks,number_of_links);
246 address.SetBase (adr, "255.255.0.0");
247 XBT_DEBUG("\tInterface stack '%s'",adr);
249 interfaces.Add(address.Assign (netA));
251 char *tmp = transformIpv4Address(interfaces.GetAddress(interfaces.GetN()-2));
252 xbt_dynar_set_as(IPV4addr,src,char*,tmp);
253 XBT_DEBUG("Have write '%s' for Node '%d'",(char*)xbt_dynar_get_as(IPV4addr,src,char*),src);
255 tmp = transformIpv4Address(interfaces.GetAddress(interfaces.GetN()-1));
256 xbt_dynar_set_as(IPV4addr,dst,char*,tmp);
257 XBT_DEBUG("Have write '%s' for Node '%d'",(char*)xbt_dynar_get_as(IPV4addr,dst,char*),dst);
259 if(number_of_links == 255){
260 if(number_of_networks == 255)
261 xbt_die("Number of links and networks exceed 255*255");
263 number_of_networks++;
269 void ns3_end_platform(void)
271 XBT_DEBUG("InitializeRoutes");
272 GlobalRouteManager::BuildGlobalRoutingDatabase();
273 GlobalRouteManager::InitializeRoutes();