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"
16 extern xbt_lib_t host_lib;
17 extern int NS3_HOST_LEVEL; //host node for ns3
18 extern xbt_dynar_t IPV4addr;
20 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(interface_ns3, surf,
21 "Logging specific to the SURF network NS3 module");
23 InternetStackHelper stack;
25 NodeContainer Cluster_nodes;
26 Ipv4InterfaceContainer interfaces;
28 int number_of_nodes = 0;
29 int number_of_clusters_nodes = 0;
30 int number_of_links = 1;
31 int number_of_networks = 1;
32 int port_number = 1025; //Port number is limited from 1025 to 65 000
34 static NS3Sim* ns3_sim = 0;
36 void ns3_simulator(double min){
37 ns3_sim->simulator_start(min);
40 void* ns3_get_socket_action(void *socket){
41 return ns3_sim->get_action_from_socket(socket);
44 double ns3_get_socket_remains(void *socket){
45 return ns3_sim->get_remains_from_socket(socket);
48 double ns3_get_socket_sent(void *socket){
49 return ns3_sim->get_sent_from_socket(socket);
52 char ns3_get_socket_is_finished(void *socket){
53 return ns3_sim->get_finished(socket);
57 return Simulator::Now().GetSeconds();
60 int ns3_create_flow(const char* a,const char *b,double start,u_int32_t TotalBytes,void * action)
62 ns3_nodes_t node1 = (ns3_nodes_t) xbt_lib_get_or_null(host_lib,a,NS3_HOST_LEVEL);
63 ns3_nodes_t node2 = (ns3_nodes_t) xbt_lib_get_or_null(host_lib,b,NS3_HOST_LEVEL);
65 Ptr<Node> src_node = nodes.Get(node1->node_num);
66 Ptr<Node> dst_node = nodes.Get(node2->node_num);
68 char* addr = (char*)xbt_dynar_get_as(IPV4addr,node2->node_num,char*);
70 XBT_DEBUG("ns3_create_flow %d Bytes from %d to %d with Interface %s",TotalBytes, node1->node_num, node2->node_num,addr);
71 ns3_sim->create_flow_NS3(src_node,
80 if(port_number >= 65001 ) xbt_die("Too many connections! Port number is saturated.");
85 int ns3_finalize(void){
86 if (!ns3_sim) return -1;
92 // initialize the NS3 interface and environment
93 int ns3_initialize(const char* TcpProtocol){
94 xbt_assert(!ns3_sim, "ns3 already initialized");
95 ns3_sim = new NS3Sim();
102 Config::SetDefault ("ns3::TcpSocket::SegmentSize", UintegerValue (1024)); // 1024-byte packet for easier reading
103 Config::SetDefault ("ns3::TcpSocket::DelAckCount", UintegerValue (1));
106 XBT_DEBUG("Using RED version of ns3");
108 if(!strcmp(TcpProtocol,"default")){
111 if(!strcmp(TcpProtocol,"Reno")){
112 XBT_INFO("Switching Tcp protocol to '%s'",TcpProtocol);
113 Config::SetDefault ("ns3::TcpL4Protocol::SocketType", StringValue("ns3::TcpReno"));
116 if(!strcmp(TcpProtocol,"NewReno")){
117 XBT_INFO("Switching Tcp protocol to '%s'",TcpProtocol);
118 Config::SetDefault ("ns3::TcpL4Protocol::SocketType", StringValue("ns3::TcpNewReno"));
121 if(!strcmp(TcpProtocol,"Tahoe")){
122 XBT_INFO("Switching Tcp protocol to '%s'",TcpProtocol);
123 Config::SetDefault ("ns3::TcpL4Protocol::SocketType", StringValue("ns3::TcpTahoe"));
127 XBT_ERROR("The ns3/TcpModel must be : NewReno or Reno or Tahoe");
130 void * ns3_add_host(char * id)
132 ns3_nodes_t host = xbt_new0(s_ns3_nodes_t,1);
133 XBT_DEBUG("Interface ns3 add host[%d] '%s'",number_of_nodes,id);
134 Ptr<Node> node = CreateObject<Node> (0);
137 host->node_num = number_of_nodes;
138 host->type = NS3_NETWORK_ELEMENT_HOST;
139 host->data = GetPointer(node);
144 void * ns3_add_host_cluster(char * id)
146 ns3_nodes_t host = xbt_new0(s_ns3_nodes_t,1);
147 XBT_DEBUG("Interface ns3 add host[%d] '%s'",number_of_nodes,id);
148 Ptr<Node> node = CreateObject<Node> (0);
150 Cluster_nodes.Add(node);
152 host->node_num = number_of_nodes;
153 host->type = NS3_NETWORK_ELEMENT_HOST;
159 void * ns3_add_router(char * id)
161 ns3_nodes_t router = xbt_new0(s_ns3_nodes_t,1);
162 XBT_DEBUG("Interface ns3 add router[%d] '%s'",number_of_nodes,id);
163 Ptr<Node> node = CreateObject<Node> (0);
166 router->node_num = number_of_nodes;
167 router->type = NS3_NETWORK_ELEMENT_ROUTER;
173 void * ns3_add_cluster(char * bw,char * lat,char *id)
176 XBT_DEBUG("cluster_id: %s",id);
177 XBT_DEBUG("bw: %s lat: %s",bw,lat);
178 XBT_DEBUG("Number of %s nodes: %d",id,Cluster_nodes.GetN() - number_of_clusters_nodes);
183 for(i = number_of_clusters_nodes; i < Cluster_nodes.GetN() ; i++){
184 Nodes.Add(Cluster_nodes.Get(i));
185 XBT_DEBUG("Add node %d to cluster",i);
187 number_of_clusters_nodes = Cluster_nodes.GetN();
189 XBT_DEBUG("Add router %d to cluster",nodes.GetN()-Nodes.GetN()-1);
190 Nodes.Add(nodes.Get(nodes.GetN()-Nodes.GetN()-1));
192 if(Nodes.GetN() > 65000)
193 xbt_die("Cluster with NS3 is limited to 65000 nodes");
195 csma.SetChannelAttribute ("DataRate", StringValue (bw));
196 csma.SetChannelAttribute ("Delay", StringValue (lat));
197 NetDeviceContainer devices = csma.Install (Nodes);
198 XBT_DEBUG("Create CSMA");
200 char * adr = bprintf("%d.%d.0.0",number_of_networks,number_of_links);
201 XBT_DEBUG("Assign IP Addresses %s to CSMA.",adr);
202 Ipv4AddressHelper ipv4;
203 ipv4.SetBase (adr, "255.255.0.0");
205 interfaces.Add(ipv4.Assign (devices));
207 if(number_of_links == 255){
208 if(number_of_networks == 255)
209 xbt_die("Number of links and networks exceed 255*255");
211 number_of_networks++;
215 XBT_DEBUG("Number of nodes in Cluster_nodes: %d",Cluster_nodes.GetN());
218 void * ns3_add_AS(char * id)
220 XBT_DEBUG("Interface ns3 add AS '%s'",id);
224 static char* transformIpv4Address (Ipv4Address from){
225 std::stringstream sstream;
227 std::string s = sstream.str();
228 return bprintf("%s",s.c_str());
231 void * ns3_add_link(int src, e_ns3_network_element_type_t type_src,
232 int dst, e_ns3_network_element_type_t type_dst,
233 char * bw,char * lat)
235 if(number_of_links == 1 ) {
236 LogComponentEnable("UdpEchoClientApplication", LOG_LEVEL_INFO);
237 LogComponentEnable("UdpEchoServerApplication", LOG_LEVEL_INFO);
241 MyPointToPointHelper pointToPoint;
243 PointToPointHelper pointToPoint;
245 NetDeviceContainer netA;
246 Ipv4AddressHelper address;
248 Ptr<Node> a = nodes.Get(src);
249 Ptr<Node> b = nodes.Get(dst);
251 XBT_DEBUG("\tAdd PTP from %d to %d bw:'%s' lat:'%s'",src,dst,bw,lat);
252 pointToPoint.SetDeviceAttribute ("DataRate", StringValue (bw));
253 pointToPoint.SetChannelAttribute ("Delay", StringValue (lat));
254 //pointToPoint.EnablePcapAll("test_ns3_trace"); //DEBUG
257 netA.Add(pointToPoint.Install (a, type_src, b, type_dst));
259 netA.Add(pointToPoint.Install (a, b));
262 char * adr = bprintf("%d.%d.0.0",number_of_networks,number_of_links);
263 address.SetBase (adr, "255.255.0.0");
264 XBT_DEBUG("\tInterface stack '%s'",adr);
266 interfaces.Add(address.Assign (netA));
268 char *tmp = transformIpv4Address(interfaces.GetAddress(interfaces.GetN()-2));
269 xbt_dynar_set_as(IPV4addr,src,char*,tmp);
270 XBT_DEBUG("Have write '%s' for Node '%d'",(char*)xbt_dynar_get_as(IPV4addr,src,char*),src);
272 tmp = transformIpv4Address(interfaces.GetAddress(interfaces.GetN()-1));
273 xbt_dynar_set_as(IPV4addr,dst,char*,tmp);
274 XBT_DEBUG("Have write '%s' for Node '%d'",(char*)xbt_dynar_get_as(IPV4addr,dst,char*),dst);
276 if(number_of_links == 255){
277 if(number_of_networks == 255)
278 xbt_die("Number of links and networks exceed 255*255");
280 number_of_networks++;
286 void * ns3_end_platform(void)
288 XBT_DEBUG("InitializeRoutes");
289 GlobalRouteManager::BuildGlobalRoutingDatabase();
290 GlobalRouteManager::InitializeRoutes();