1 /* Copyright (c) 2007, 2008, 2009, 2010. 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"
15 extern xbt_lib_t host_lib;
16 extern int NS3_HOST_LEVEL; //host node for ns3
17 extern xbt_dynar_t IPV4addr;
19 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(interface_ns3, surf,
20 "Logging specific to the SURF network NS3 module");
22 InternetStackHelper stack;
24 NodeContainer Cluster_nodes;
25 Ipv4InterfaceContainer interfaces;
29 int number_of_nodes = 0;
30 int number_of_clusters_nodes = 0;
31 int number_of_links = 1;
32 int number_of_networks = 1;
33 int port_number = 1025; //Port number is limited from 1025 to 65 000
35 static NS3Sim* ns3_sim = 0;
37 void ns3_simulator(double min){
38 ns3_sim->simulator_stop(min);
39 ns3_sim->simulator_start();
42 void* ns3_get_socket_action(void *socket){
43 return ns3_sim->get_action_from_socket(socket);
46 double ns3_get_socket_remains(void *socket){
47 return ns3_sim->get_remains_from_socket(socket);
50 double ns3_get_socket_sent(void *socket){
51 return ns3_sim->get_sent_from_socket(socket);
54 char ns3_get_socket_is_finished(void *socket){
55 return ns3_sim->get_finished(socket);
59 return Simulator::Now().GetSeconds();
62 int ns3_create_flow(const char* a,const char *b,double start,u_int32_t TotalBytes,void * action)
64 ns3_nodes_t node1 = (ns3_nodes_t) xbt_lib_get_or_null(host_lib,a,NS3_HOST_LEVEL);
65 ns3_nodes_t node2 = (ns3_nodes_t) xbt_lib_get_or_null(host_lib,b,NS3_HOST_LEVEL);
67 Ptr<Node> src_node = nodes.Get(node1->node_num);
68 Ptr<Node> dst_node = nodes.Get(node2->node_num);
70 char* addr = (char*)xbt_dynar_get_ptr(IPV4addr,node2->node_num);
72 XBT_DEBUG("ns3_create_flow %d Bytes from %d to %d with Interface %s",TotalBytes, node1->node_num, node2->node_num,addr);
73 ns3_sim->create_flow_NS3(src_node,
82 if(port_number >= 65001 ) xbt_die("Too many connections! Port number is saturated.");
87 int ns3_finalize(void){
88 if (!ns3_sim) return -1;
94 // initialize the NS3 interface and environment
95 int ns3_initialize(const char* TcpProtocol){
96 xbt_assert(!ns3_sim, "ns3 already initialized");
97 ns3_sim = new NS3Sim();
104 Config::SetDefault ("ns3::TcpSocket::SegmentSize", UintegerValue (1000)); // 1000-byte packet for easier reading
105 Config::SetDefault ("ns3::TcpSocket::DelAckCount", UintegerValue (1));
107 if(!strcmp(TcpProtocol,"default")){
110 if(!strcmp(TcpProtocol,"Reno")){
111 XBT_INFO("Switching Tcp protocol to '%s'",TcpProtocol);
112 Config::SetDefault ("ns3::TcpL4Protocol::SocketType", StringValue("ns3::TcpReno"));
115 if(!strcmp(TcpProtocol,"NewReno")){
116 XBT_INFO("Switching Tcp protocol to '%s'",TcpProtocol);
117 Config::SetDefault ("ns3::TcpL4Protocol::SocketType", StringValue("ns3::TcpNewReno"));
120 if(!strcmp(TcpProtocol,"Tahoe")){
121 XBT_INFO("Switching Tcp protocol to '%s'",TcpProtocol);
122 Config::SetDefault ("ns3::TcpL4Protocol::SocketType", StringValue("ns3::TcpTahoe"));
126 XBT_ERROR("The ns3/TcpModel must be : NewReno or Reno or Tahoe");
129 void * ns3_add_host(char * id)
131 ns3_nodes_t host = xbt_new0(s_ns3_nodes_t,1);
132 XBT_DEBUG("Interface ns3 add host[%d] '%s'",number_of_nodes,id);
133 Ptr<Node> node = CreateObject<Node> (0);
136 host->node_num = number_of_nodes;
137 host->type = NS3_NETWORK_ELEMENT_HOST;
138 host->data = GetPointer(node);
143 void * ns3_add_host_cluster(char * id)
145 ns3_nodes_t host = xbt_new0(s_ns3_nodes_t,1);
146 XBT_DEBUG("Interface ns3 add host[%d] '%s'",number_of_nodes,id);
147 Ptr<Node> node = CreateObject<Node> (0);
149 Cluster_nodes.Add(node);
151 host->node_num = number_of_nodes;
152 host->type = NS3_NETWORK_ELEMENT_HOST;
158 void * ns3_add_router(char * id)
160 ns3_nodes_t router = xbt_new0(s_ns3_nodes_t,1);
161 XBT_DEBUG("Interface ns3 add router[%d] '%s'",number_of_nodes,id);
162 Ptr<Node> node = CreateObject<Node> (0);
165 router->node_num = number_of_nodes;
166 router->type = NS3_NETWORK_ELEMENT_ROUTER;
172 void * ns3_add_cluster(char * bw,char * lat,char *id)
175 XBT_DEBUG("cluster_id: %s",id);
176 XBT_DEBUG("bw: %s lat: %s",bw,lat);
177 XBT_DEBUG("Number of %s nodes: %d",id,Cluster_nodes.GetN() - number_of_clusters_nodes);
182 for(i = number_of_clusters_nodes; i < Cluster_nodes.GetN() ; i++){
183 Nodes.Add(Cluster_nodes.Get(i));
184 XBT_DEBUG("Add node %d to cluster",i);
186 number_of_clusters_nodes = Cluster_nodes.GetN();
188 XBT_DEBUG("Add router %d to cluster",nodes.GetN()-Nodes.GetN()-1);
189 Nodes.Add(nodes.Get(nodes.GetN()-Nodes.GetN()-1));
191 if(Nodes.GetN() > 65000)
192 xbt_die("Cluster with NS3 is limited to 65000 nodes");
194 csma.SetChannelAttribute ("DataRate", StringValue (bw));
195 csma.SetChannelAttribute ("Delay", StringValue (lat));
196 NetDeviceContainer devices = csma.Install (Nodes);
197 XBT_DEBUG("Create CSMA");
199 char * adr = bprintf("%d.%d.0.0",number_of_networks,number_of_links);
200 XBT_DEBUG("Assign IP Addresses %s to CSMA.",adr);
201 Ipv4AddressHelper ipv4;
202 ipv4.SetBase (adr, "255.255.0.0");
203 interfaces.Add(ipv4.Assign (devices));
205 if(number_of_links == 255){
206 if(number_of_networks == 255)
207 xbt_die("Number of links and networks exceed 255*255");
209 number_of_networks++;
213 XBT_DEBUG("Number of nodes in Cluster_nodes: %d",Cluster_nodes.GetN());
216 void * ns3_add_AS(char * id)
218 XBT_DEBUG("Interface ns3 add AS '%s'",id);
222 static char* transformIpv4Address (Ipv4Address from){
223 std::stringstream sstream;
225 std::string s = sstream.str();
226 size_t size = s.size() + 1;
227 char* IPaddr = bprintf("%s",s.c_str());
231 void * ns3_add_link(int src,int dst,char * bw,char * lat)
233 if(number_of_links == 1 ) {
234 LogComponentEnable("UdpEchoClientApplication", LOG_LEVEL_INFO);
235 LogComponentEnable("UdpEchoServerApplication", LOG_LEVEL_INFO);
238 PointToPointHelper pointToPoint;
239 NetDeviceContainer netA;
240 Ipv4AddressHelper address;
242 Ptr<Node> a = nodes.Get(src);
243 Ptr<Node> b = nodes.Get(dst);
245 XBT_DEBUG("\tAdd PTP from %d to %d bw:'%s' lat:'%s'",src,dst,bw,lat);
246 pointToPoint.SetDeviceAttribute ("DataRate", StringValue (bw));
247 pointToPoint.SetChannelAttribute ("Delay", StringValue (lat));
248 //pointToPoint.EnablePcapAll("test_ns3_trace"); //DEBUG
250 netA.Add(pointToPoint.Install (a, b));
252 char * adr = bprintf("%d.%d.0.0",number_of_networks,number_of_links);
253 address.SetBase (adr, "255.255.0.0");
254 XBT_DEBUG("\tInterface stack '%s'",adr);
256 interfaces.Add(address.Assign (netA));
258 XBT_DEBUG("Have write '%s' for Node '%d'",transformIpv4Address(interfaces.GetAddress(interfaces.GetN()-2)),src);
259 xbt_dynar_set(IPV4addr,src,
260 transformIpv4Address(interfaces.GetAddress(interfaces.GetN()-2)));
262 XBT_DEBUG("Have write '%s' for Node '%d'",transformIpv4Address(interfaces.GetAddress(interfaces.GetN()-1)),dst);
263 xbt_dynar_set(IPV4addr,dst,
264 transformIpv4Address(interfaces.GetAddress(interfaces.GetN()-1)));
266 if(number_of_links == 255){
267 if(number_of_networks == 255)
268 xbt_die("Number of links and networks exceed 255*255");
270 number_of_networks++;
276 void * ns3_end_platform(void)
278 XBT_DEBUG("InitializeRoutes");
279 GlobalRouteManager::BuildGlobalRoutingDatabase();
280 GlobalRouteManager::InitializeRoutes();