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"
13 #include "ns3/core-module.h"
14 #include "ns3/simulator-module.h"
15 #include "ns3/node-module.h"
16 #include "ns3/helper-module.h"
17 #include "ns3/global-route-manager.h"
18 #include "ns3/global-route-manager.h"
19 #include "ns3/ipv4-global-routing-helper.h"
23 extern xbt_lib_t host_lib;
24 extern int NS3_HOST_LEVEL; //host node for ns3
25 extern xbt_dynar_t IPV4addr;
27 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(interface_ns3, surf,
28 "Logging specific to the SURF network NS3 module");
30 InternetStackHelper stack;
32 NodeContainer Cluster_nodes;
33 Ipv4InterfaceContainer interfaces;
37 int number_of_nodes = 0;
38 int number_of_clusters_nodes = 0;
39 int number_of_links = 1;
40 int number_of_networks = 1;
41 int port_number = 1025; //Port number is limited from 1025 to 65 000
43 static NS3Sim* ns3_sim = 0;
45 void ns3_simulator(double min){
46 ns3_sim->simulator_stop(min);
47 ns3_sim->simulator_start();
50 void* ns3_get_socket_action(void *socket){
51 return ns3_sim->get_action_from_socket(socket);
54 double ns3_get_socket_remains(void *socket){
55 return ns3_sim->get_remains_from_socket(socket);
58 double ns3_get_socket_last_amount_sent(void *socket){
59 return ns3_sim->get_last_amount_sent_from_socket(socket);
62 void ns3_reset_socket_last_amount_sent(void *socket){
63 ns3_sim->reset_last_amount_sent_from_socket(socket);
66 char ns3_get_socket_is_finished(void *socket){
67 return ns3_sim->get_finished(socket);
71 return Simulator::Now().GetSeconds();
74 int ns3_create_flow(const char* a,const char *b,double start,u_int32_t TotalBytes,void * action)
76 ns3_nodes_t node1 = (ns3_nodes_t) xbt_lib_get_or_null(host_lib,a,NS3_HOST_LEVEL);
77 ns3_nodes_t node2 = (ns3_nodes_t) xbt_lib_get_or_null(host_lib,b,NS3_HOST_LEVEL);
79 Ptr<Node> src_node = nodes.Get(node1->node_num);
80 Ptr<Node> dst_node = nodes.Get(node2->node_num);
82 char* addr = (char*)xbt_dynar_get_ptr(IPV4addr,node2->node_num);
84 XBT_DEBUG("ns3_create_flow %d Bytes from %d to %d with Interface %s",TotalBytes, node1->node_num, node2->node_num,addr);
85 ns3_sim->create_flow_NS3(src_node,
94 if(port_number >= 65001 ) xbt_die("Too many connections! Port number is saturated.");
99 int ns3_finalize(void){
100 if (!ns3_sim) return -1;
106 // initialize the NS3 interface and environment
107 int ns3_initialize(void){
108 xbt_assert(!ns3_sim, "ns3 already initialized");
109 ns3_sim = new NS3Sim();
113 void * ns3_add_host(char * id)
115 ns3_nodes_t host = xbt_new0(s_ns3_nodes_t,1);
116 XBT_DEBUG("Interface ns3 add host[%d] '%s'",number_of_nodes,id);
117 Ptr<Node> node = CreateObject<Node> (0);
120 host->node_num = number_of_nodes;
121 host->type = NS3_NETWORK_ELEMENT_HOST;
122 host->data = GetPointer(node);
127 void * ns3_add_host_cluster(char * id)
129 ns3_nodes_t host = xbt_new0(s_ns3_nodes_t,1);
130 XBT_DEBUG("Interface ns3 add host[%d] '%s'",number_of_nodes,id);
131 Ptr<Node> node = CreateObject<Node> (0);
133 Cluster_nodes.Add(node);
135 host->node_num = number_of_nodes;
136 host->type = NS3_NETWORK_ELEMENT_HOST;
142 void * ns3_add_router(char * id)
144 ns3_nodes_t router = xbt_new0(s_ns3_nodes_t,1);
145 XBT_DEBUG("Interface ns3 add router[%d] '%s'",number_of_nodes,id);
146 Ptr<Node> node = CreateObject<Node> (0);
149 router->node_num = number_of_nodes;
150 router->type = NS3_NETWORK_ELEMENT_ROUTER;
156 void * ns3_add_cluster(char * bw,char * lat,char *id)
159 XBT_DEBUG("cluster_id: %s",id);
160 XBT_DEBUG("bw: %s lat: %s",bw,lat);
161 XBT_DEBUG("Number of %s nodes: %d",id,Cluster_nodes.GetN() - number_of_clusters_nodes);
166 for(i = number_of_clusters_nodes; i < Cluster_nodes.GetN() ; i++){
167 Nodes.Add(Cluster_nodes.Get(i));
168 XBT_DEBUG("Add node %d to cluster",i);
170 number_of_clusters_nodes = Cluster_nodes.GetN();
172 XBT_DEBUG("Add router %d to cluster",nodes.GetN()-Nodes.GetN()-1);
173 Nodes.Add(nodes.Get(nodes.GetN()-Nodes.GetN()-1));
175 if(Nodes.GetN() > 65000)
176 xbt_die("Cluster with NS3 is limited to 65000 nodes");
178 csma.SetChannelAttribute ("DataRate", StringValue (bw));
179 csma.SetChannelAttribute ("Delay", StringValue (lat));
180 NetDeviceContainer devices = csma.Install (Nodes);
181 XBT_DEBUG("Create CSMA");
183 char * adr = bprintf("%d.%d.0.0",number_of_networks,number_of_links);
184 XBT_DEBUG("Assign IP Addresses %s to CSMA.",adr);
185 Ipv4AddressHelper ipv4;
186 ipv4.SetBase (adr, "255.255.0.0");
187 interfaces.Add(ipv4.Assign (devices));
189 if(number_of_links == 255){
190 if(number_of_networks == 255)
191 xbt_die("Number of links and networks exceed 255*255");
193 number_of_networks++;
197 XBT_DEBUG("Number of nodes in Cluster_nodes: %d",Cluster_nodes.GetN());
200 void * ns3_add_AS(char * id)
202 XBT_DEBUG("Interface ns3 add AS '%s'",id);
206 static char* transformIpv4Address (Ipv4Address from){
207 std::stringstream sstream;
209 std::string s = sstream.str();
210 size_t size = s.size() + 1;
211 char* IPaddr = bprintf("%s",s.c_str());
215 void * ns3_add_link(int src,int dst,char * bw,char * lat)
217 if(number_of_links == 1 ) {
218 LogComponentEnable("UdpEchoClientApplication", LOG_LEVEL_INFO);
219 LogComponentEnable("UdpEchoServerApplication", LOG_LEVEL_INFO);
222 PointToPointHelper pointToPoint;
223 NetDeviceContainer netA;
224 Ipv4AddressHelper address;
226 Ptr<Node> a = nodes.Get(src);
227 Ptr<Node> b = nodes.Get(dst);
229 XBT_DEBUG("\tAdd PTP from %d to %d bw:'%s' lat:'%s'",src,dst,bw,lat);
230 pointToPoint.SetDeviceAttribute ("DataRate", StringValue (bw));
231 pointToPoint.SetChannelAttribute ("Delay", StringValue (lat));
232 //pointToPoint.EnablePcapAll("test_ns3_trace"); //DEBUG
234 netA.Add(pointToPoint.Install (a, b));
236 char * adr = bprintf("%d.%d.0.0",number_of_networks,number_of_links);
237 address.SetBase (adr, "255.255.0.0");
238 XBT_DEBUG("\tInterface stack '%s'",adr);
240 interfaces.Add(address.Assign (netA));
242 XBT_DEBUG("Have write '%s' for Node '%d'",transformIpv4Address(interfaces.GetAddress(interfaces.GetN()-2)),src);
243 xbt_dynar_set(IPV4addr,src,
244 transformIpv4Address(interfaces.GetAddress(interfaces.GetN()-2)));
246 XBT_DEBUG("Have write '%s' for Node '%d'",transformIpv4Address(interfaces.GetAddress(interfaces.GetN()-1)),dst);
247 xbt_dynar_set(IPV4addr,dst,
248 transformIpv4Address(interfaces.GetAddress(interfaces.GetN()-1)));
250 if(number_of_links == 255){
251 if(number_of_networks == 255)
252 xbt_die("Number of links and networks exceed 255*255");
254 number_of_networks++;
260 void * ns3_end_platform(void)
262 XBT_DEBUG("InitializeRoutes");
263 GlobalRouteManager::BuildGlobalRoutingDatabase();
264 GlobalRouteManager::InitializeRoutes();