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_start(min);
41 void* ns3_get_socket_action(void *socket){
42 return ns3_sim->get_action_from_socket(socket);
45 double ns3_get_socket_remains(void *socket){
46 return ns3_sim->get_remains_from_socket(socket);
49 double ns3_get_socket_sent(void *socket){
50 return ns3_sim->get_sent_from_socket(socket);
53 char ns3_get_socket_is_finished(void *socket){
54 return ns3_sim->get_finished(socket);
58 return Simulator::Now().GetSeconds();
61 int ns3_create_flow(const char* a,const char *b,double start,u_int32_t TotalBytes,void * action)
63 ns3_nodes_t node1 = (ns3_nodes_t) xbt_lib_get_or_null(host_lib,a,NS3_HOST_LEVEL);
64 ns3_nodes_t node2 = (ns3_nodes_t) xbt_lib_get_or_null(host_lib,b,NS3_HOST_LEVEL);
66 Ptr<Node> src_node = nodes.Get(node1->node_num);
67 Ptr<Node> dst_node = nodes.Get(node2->node_num);
69 char* addr = (char*)xbt_dynar_get_ptr(IPV4addr,node2->node_num);
71 XBT_DEBUG("ns3_create_flow %d Bytes from %d to %d with Interface %s",TotalBytes, node1->node_num, node2->node_num,addr);
72 ns3_sim->create_flow_NS3(src_node,
81 if(port_number >= 65001 ) xbt_die("Too many connections! Port number is saturated.");
86 int ns3_finalize(void){
87 if (!ns3_sim) return -1;
93 // initialize the NS3 interface and environment
94 int ns3_initialize(const char* TcpProtocol){
95 xbt_assert(!ns3_sim, "ns3 already initialized");
96 ns3_sim = new NS3Sim();
103 Config::SetDefault ("ns3::TcpSocket::SegmentSize", UintegerValue (1000)); // 1000-byte packet for easier reading
104 Config::SetDefault ("ns3::TcpSocket::DelAckCount", UintegerValue (1));
106 if(!strcmp(TcpProtocol,"default")){
109 if(!strcmp(TcpProtocol,"Reno")){
110 XBT_INFO("Switching Tcp protocol to '%s'",TcpProtocol);
111 Config::SetDefault ("ns3::TcpL4Protocol::SocketType", StringValue("ns3::TcpReno"));
114 if(!strcmp(TcpProtocol,"NewReno")){
115 XBT_INFO("Switching Tcp protocol to '%s'",TcpProtocol);
116 Config::SetDefault ("ns3::TcpL4Protocol::SocketType", StringValue("ns3::TcpNewReno"));
119 if(!strcmp(TcpProtocol,"Tahoe")){
120 XBT_INFO("Switching Tcp protocol to '%s'",TcpProtocol);
121 Config::SetDefault ("ns3::TcpL4Protocol::SocketType", StringValue("ns3::TcpTahoe"));
125 XBT_ERROR("The ns3/TcpModel must be : NewReno or Reno or Tahoe");
128 void * ns3_add_host(char * id)
130 ns3_nodes_t host = xbt_new0(s_ns3_nodes_t,1);
131 XBT_DEBUG("Interface ns3 add host[%d] '%s'",number_of_nodes,id);
132 Ptr<Node> node = CreateObject<Node> (0);
135 host->node_num = number_of_nodes;
136 host->type = NS3_NETWORK_ELEMENT_HOST;
137 host->data = GetPointer(node);
142 void * ns3_add_host_cluster(char * id)
144 ns3_nodes_t host = xbt_new0(s_ns3_nodes_t,1);
145 XBT_DEBUG("Interface ns3 add host[%d] '%s'",number_of_nodes,id);
146 Ptr<Node> node = CreateObject<Node> (0);
148 Cluster_nodes.Add(node);
150 host->node_num = number_of_nodes;
151 host->type = NS3_NETWORK_ELEMENT_HOST;
157 void * ns3_add_router(char * id)
159 ns3_nodes_t router = xbt_new0(s_ns3_nodes_t,1);
160 XBT_DEBUG("Interface ns3 add router[%d] '%s'",number_of_nodes,id);
161 Ptr<Node> node = CreateObject<Node> (0);
164 router->node_num = number_of_nodes;
165 router->type = NS3_NETWORK_ELEMENT_ROUTER;
171 void * ns3_add_cluster(char * bw,char * lat,char *id)
174 XBT_DEBUG("cluster_id: %s",id);
175 XBT_DEBUG("bw: %s lat: %s",bw,lat);
176 XBT_DEBUG("Number of %s nodes: %d",id,Cluster_nodes.GetN() - number_of_clusters_nodes);
181 for(i = number_of_clusters_nodes; i < Cluster_nodes.GetN() ; i++){
182 Nodes.Add(Cluster_nodes.Get(i));
183 XBT_DEBUG("Add node %d to cluster",i);
185 number_of_clusters_nodes = Cluster_nodes.GetN();
187 XBT_DEBUG("Add router %d to cluster",nodes.GetN()-Nodes.GetN()-1);
188 Nodes.Add(nodes.Get(nodes.GetN()-Nodes.GetN()-1));
190 if(Nodes.GetN() > 65000)
191 xbt_die("Cluster with NS3 is limited to 65000 nodes");
193 csma.SetChannelAttribute ("DataRate", StringValue (bw));
194 csma.SetChannelAttribute ("Delay", StringValue (lat));
195 NetDeviceContainer devices = csma.Install (Nodes);
196 XBT_DEBUG("Create CSMA");
198 char * adr = bprintf("%d.%d.0.0",number_of_networks,number_of_links);
199 XBT_DEBUG("Assign IP Addresses %s to CSMA.",adr);
200 Ipv4AddressHelper ipv4;
201 ipv4.SetBase (adr, "255.255.0.0");
202 interfaces.Add(ipv4.Assign (devices));
204 if(number_of_links == 255){
205 if(number_of_networks == 255)
206 xbt_die("Number of links and networks exceed 255*255");
208 number_of_networks++;
212 XBT_DEBUG("Number of nodes in Cluster_nodes: %d",Cluster_nodes.GetN());
215 void * ns3_add_AS(char * id)
217 XBT_DEBUG("Interface ns3 add AS '%s'",id);
221 static char* transformIpv4Address (Ipv4Address from){
222 std::stringstream sstream;
224 std::string s = sstream.str();
225 size_t size = s.size() + 1;
226 char* IPaddr = bprintf("%s",s.c_str());
230 void * ns3_add_link(int src,int dst,char * bw,char * lat)
232 if(number_of_links == 1 ) {
233 LogComponentEnable("UdpEchoClientApplication", LOG_LEVEL_INFO);
234 LogComponentEnable("UdpEchoServerApplication", LOG_LEVEL_INFO);
237 PointToPointHelper pointToPoint;
238 NetDeviceContainer netA;
239 Ipv4AddressHelper address;
241 Ptr<Node> a = nodes.Get(src);
242 Ptr<Node> b = nodes.Get(dst);
244 XBT_DEBUG("\tAdd PTP from %d to %d bw:'%s' lat:'%s'",src,dst,bw,lat);
245 pointToPoint.SetDeviceAttribute ("DataRate", StringValue (bw));
246 pointToPoint.SetChannelAttribute ("Delay", StringValue (lat));
247 //pointToPoint.EnablePcapAll("test_ns3_trace"); //DEBUG
249 netA.Add(pointToPoint.Install (a, b));
251 char * adr = bprintf("%d.%d.0.0",number_of_networks,number_of_links);
252 address.SetBase (adr, "255.255.0.0");
253 XBT_DEBUG("\tInterface stack '%s'",adr);
255 interfaces.Add(address.Assign (netA));
257 char *tmp = transformIpv4Address(interfaces.GetAddress(interfaces.GetN()-2));
258 XBT_DEBUG("Have write '%s' for Node '%d'",tmp,src);
259 xbt_dynar_set(IPV4addr,src,tmp);
261 tmp = transformIpv4Address(interfaces.GetAddress(interfaces.GetN()-1));
262 XBT_DEBUG("Have write '%s' for Node '%d'",tmp,dst);
263 xbt_dynar_set(IPV4addr,dst,tmp);
265 if(number_of_links == 255){
266 if(number_of_networks == 255)
267 xbt_die("Number of links and networks exceed 255*255");
269 number_of_networks++;
275 void * ns3_end_platform(void)
277 XBT_DEBUG("InitializeRoutes");
278 GlobalRouteManager::BuildGlobalRoutingDatabase();
279 GlobalRouteManager::InitializeRoutes();