1 /* Copyright (c) 2007-2014. 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));
105 if(!strcmp(TcpProtocol,"default")){
108 if(!strcmp(TcpProtocol,"Reno")){
109 XBT_INFO("Switching Tcp protocol to '%s'",TcpProtocol);
110 Config::SetDefault ("ns3::TcpL4Protocol::SocketType", StringValue("ns3::TcpReno"));
113 if(!strcmp(TcpProtocol,"NewReno")){
114 XBT_INFO("Switching Tcp protocol to '%s'",TcpProtocol);
115 Config::SetDefault ("ns3::TcpL4Protocol::SocketType", StringValue("ns3::TcpNewReno"));
118 if(!strcmp(TcpProtocol,"Tahoe")){
119 XBT_INFO("Switching Tcp protocol to '%s'",TcpProtocol);
120 Config::SetDefault ("ns3::TcpL4Protocol::SocketType", StringValue("ns3::TcpTahoe"));
124 XBT_ERROR("The ns3/TcpModel must be : NewReno or Reno or Tahoe");
128 void * ns3_add_host(const 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(const 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(const 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,const 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");
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(const 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 return bprintf("%s",s.c_str());
229 void ns3_add_link(int src, e_ns3_network_element_type_t type_src,
230 int dst, e_ns3_network_element_type_t type_dst,
231 char * bw,char * lat)
233 if(number_of_links == 1 ) {
234 LogComponentEnable("UdpEchoClientApplication", LOG_LEVEL_INFO);
235 LogComponentEnable("UdpEchoServerApplication", LOG_LEVEL_INFO);
238 MyPointToPointHelper pointToPoint;
240 NetDeviceContainer netA;
241 Ipv4AddressHelper address;
243 Ptr<Node> a = nodes.Get(src);
244 Ptr<Node> b = nodes.Get(dst);
246 XBT_DEBUG("\tAdd PTP from %d to %d bw:'%s' lat:'%s'",src,dst,bw,lat);
247 pointToPoint.SetDeviceAttribute ("DataRate", StringValue (bw));
248 pointToPoint.SetChannelAttribute ("Delay", StringValue (lat));
249 //pointToPoint.EnablePcapAll("test_ns3_trace"); //DEBUG
251 netA.Add(pointToPoint.Install (a, type_src, b, type_dst));
253 char * adr = bprintf("%d.%d.0.0",number_of_networks,number_of_links);
254 address.SetBase (adr, "255.255.0.0");
255 XBT_DEBUG("\tInterface stack '%s'",adr);
257 interfaces.Add(address.Assign (netA));
259 char *tmp = transformIpv4Address(interfaces.GetAddress(interfaces.GetN()-2));
260 xbt_dynar_set_as(IPV4addr,src,char*,tmp);
261 XBT_DEBUG("Have write '%s' for Node '%d'",(char*)xbt_dynar_get_as(IPV4addr,src,char*),src);
263 tmp = transformIpv4Address(interfaces.GetAddress(interfaces.GetN()-1));
264 xbt_dynar_set_as(IPV4addr,dst,char*,tmp);
265 XBT_DEBUG("Have write '%s' for Node '%d'",(char*)xbt_dynar_get_as(IPV4addr,dst,char*),dst);
267 if(number_of_links == 255){
268 if(number_of_networks == 255)
269 xbt_die("Number of links and networks exceed 255*255");
271 number_of_networks++;
277 void ns3_end_platform(void)
279 XBT_DEBUG("InitializeRoutes");
280 GlobalRouteManager::BuildGlobalRoutingDatabase();
281 GlobalRouteManager::InitializeRoutes();