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_sent(void *socket){
59 return ns3_sim->get_sent_from_socket(socket);
62 char ns3_get_socket_is_finished(void *socket){
63 return ns3_sim->get_finished(socket);
67 return Simulator::Now().GetSeconds();
70 int ns3_create_flow(const char* a,const char *b,double start,u_int32_t TotalBytes,void * action)
72 ns3_nodes_t node1 = (ns3_nodes_t) xbt_lib_get_or_null(host_lib,a,NS3_HOST_LEVEL);
73 ns3_nodes_t node2 = (ns3_nodes_t) xbt_lib_get_or_null(host_lib,b,NS3_HOST_LEVEL);
75 Ptr<Node> src_node = nodes.Get(node1->node_num);
76 Ptr<Node> dst_node = nodes.Get(node2->node_num);
78 char* addr = (char*)xbt_dynar_get_ptr(IPV4addr,node2->node_num);
80 XBT_DEBUG("ns3_create_flow %d Bytes from %d to %d with Interface %s",TotalBytes, node1->node_num, node2->node_num,addr);
81 ns3_sim->create_flow_NS3(src_node,
90 if(port_number >= 65001 ) xbt_die("Too many connections! Port number is saturated.");
95 int ns3_finalize(void){
96 if (!ns3_sim) return -1;
102 // initialize the NS3 interface and environment
103 int ns3_initialize(void){
104 xbt_assert(!ns3_sim, "ns3 already initialized");
105 ns3_sim = new NS3Sim();
109 void * ns3_add_host(char * id)
111 ns3_nodes_t host = xbt_new0(s_ns3_nodes_t,1);
112 XBT_DEBUG("Interface ns3 add host[%d] '%s'",number_of_nodes,id);
113 Ptr<Node> node = CreateObject<Node> (0);
116 host->node_num = number_of_nodes;
117 host->type = NS3_NETWORK_ELEMENT_HOST;
118 host->data = GetPointer(node);
123 void * ns3_add_host_cluster(char * id)
125 ns3_nodes_t host = xbt_new0(s_ns3_nodes_t,1);
126 XBT_DEBUG("Interface ns3 add host[%d] '%s'",number_of_nodes,id);
127 Ptr<Node> node = CreateObject<Node> (0);
129 Cluster_nodes.Add(node);
131 host->node_num = number_of_nodes;
132 host->type = NS3_NETWORK_ELEMENT_HOST;
138 void * ns3_add_router(char * id)
140 ns3_nodes_t router = xbt_new0(s_ns3_nodes_t,1);
141 XBT_DEBUG("Interface ns3 add router[%d] '%s'",number_of_nodes,id);
142 Ptr<Node> node = CreateObject<Node> (0);
145 router->node_num = number_of_nodes;
146 router->type = NS3_NETWORK_ELEMENT_ROUTER;
152 void * ns3_add_cluster(char * bw,char * lat,char *id)
155 XBT_DEBUG("cluster_id: %s",id);
156 XBT_DEBUG("bw: %s lat: %s",bw,lat);
157 XBT_DEBUG("Number of %s nodes: %d",id,Cluster_nodes.GetN() - number_of_clusters_nodes);
162 for(i = number_of_clusters_nodes; i < Cluster_nodes.GetN() ; i++){
163 Nodes.Add(Cluster_nodes.Get(i));
164 XBT_DEBUG("Add node %d to cluster",i);
166 number_of_clusters_nodes = Cluster_nodes.GetN();
168 XBT_DEBUG("Add router %d to cluster",nodes.GetN()-Nodes.GetN()-1);
169 Nodes.Add(nodes.Get(nodes.GetN()-Nodes.GetN()-1));
171 if(Nodes.GetN() > 65000)
172 xbt_die("Cluster with NS3 is limited to 65000 nodes");
174 csma.SetChannelAttribute ("DataRate", StringValue (bw));
175 csma.SetChannelAttribute ("Delay", StringValue (lat));
176 NetDeviceContainer devices = csma.Install (Nodes);
177 XBT_DEBUG("Create CSMA");
179 char * adr = bprintf("%d.%d.0.0",number_of_networks,number_of_links);
180 XBT_DEBUG("Assign IP Addresses %s to CSMA.",adr);
181 Ipv4AddressHelper ipv4;
182 ipv4.SetBase (adr, "255.255.0.0");
183 interfaces.Add(ipv4.Assign (devices));
185 if(number_of_links == 255){
186 if(number_of_networks == 255)
187 xbt_die("Number of links and networks exceed 255*255");
189 number_of_networks++;
193 XBT_DEBUG("Number of nodes in Cluster_nodes: %d",Cluster_nodes.GetN());
196 void * ns3_add_AS(char * id)
198 XBT_DEBUG("Interface ns3 add AS '%s'",id);
202 static char* transformIpv4Address (Ipv4Address from){
203 std::stringstream sstream;
205 std::string s = sstream.str();
206 size_t size = s.size() + 1;
207 char* IPaddr = bprintf("%s",s.c_str());
211 void * ns3_add_link(int src,int dst,char * bw,char * lat)
213 if(number_of_links == 1 ) {
214 LogComponentEnable("UdpEchoClientApplication", LOG_LEVEL_INFO);
215 LogComponentEnable("UdpEchoServerApplication", LOG_LEVEL_INFO);
218 PointToPointHelper pointToPoint;
219 NetDeviceContainer netA;
220 Ipv4AddressHelper address;
222 Ptr<Node> a = nodes.Get(src);
223 Ptr<Node> b = nodes.Get(dst);
225 XBT_DEBUG("\tAdd PTP from %d to %d bw:'%s' lat:'%s'",src,dst,bw,lat);
226 pointToPoint.SetDeviceAttribute ("DataRate", StringValue (bw));
227 pointToPoint.SetChannelAttribute ("Delay", StringValue (lat));
228 //pointToPoint.EnablePcapAll("test_ns3_trace"); //DEBUG
230 netA.Add(pointToPoint.Install (a, b));
232 char * adr = bprintf("%d.%d.0.0",number_of_networks,number_of_links);
233 address.SetBase (adr, "255.255.0.0");
234 XBT_DEBUG("\tInterface stack '%s'",adr);
236 interfaces.Add(address.Assign (netA));
238 XBT_DEBUG("Have write '%s' for Node '%d'",transformIpv4Address(interfaces.GetAddress(interfaces.GetN()-2)),src);
239 xbt_dynar_set(IPV4addr,src,
240 transformIpv4Address(interfaces.GetAddress(interfaces.GetN()-2)));
242 XBT_DEBUG("Have write '%s' for Node '%d'",transformIpv4Address(interfaces.GetAddress(interfaces.GetN()-1)),dst);
243 xbt_dynar_set(IPV4addr,dst,
244 transformIpv4Address(interfaces.GetAddress(interfaces.GetN()-1)));
246 if(number_of_links == 255){
247 if(number_of_networks == 255)
248 xbt_die("Number of links and networks exceed 255*255");
250 number_of_networks++;
256 void * ns3_end_platform(void)
258 XBT_DEBUG("InitializeRoutes");
259 GlobalRouteManager::BuildGlobalRoutingDatabase();
260 GlobalRouteManager::InitializeRoutes();