/* This program is free software; you can redistribute it and/or modify it
* under the terms of the license (GNU LGPL) which comes with this package. */
+#include <unordered_set>
+
#include "ns3/core-module.h"
#include "ns3/node.h"
{
const char* router_id = router->name();
XBT_DEBUG("NS3_ADD_ROUTER '%s'",router_id);
- xbt_lib_set(as_router_lib,
- router_id,
- NS3_ASR_LEVEL,
- ns3_add_router(router_id)
+ xbt_lib_set(as_router_lib, router_id, NS3_ASR_LEVEL, ns3_add_router(router_id)
);
}
int start, end, i;
unsigned int iter;
- xbt_dynar_t radical_elements;
- xbt_dynar_t radical_ends;
xbt_dynar_t tab_elements_num = xbt_dynar_new(sizeof(int), NULL);
char *router_id,*host_id;
- radical_elements = xbt_str_split(cluster->radical, ",");
+ xbt_dynar_t radical_elements = xbt_str_split(cluster->radical, ",");
xbt_dynar_foreach(radical_elements, iter, groups) {
- radical_ends = xbt_str_split(groups, "-");
+ xbt_dynar_t radical_ends = xbt_str_split(groups, "-");
switch (xbt_dynar_length(radical_ends)) {
case 1:
char * lat = bprintf("%fs", cluster->lat);
char * bw = bprintf("%fBps", cluster->bw);
- xbt_dynar_foreach(tab_elements_num,cpt,elmts)
- {
+ xbt_dynar_foreach(tab_elements_num,cpt,elmts) {
host_id = bprintf("%s%d%s", cluster->prefix, elmts, cluster->suffix);
router_id = bprintf("ns3_%s%d%s", cluster->prefix, elmts, cluster->suffix);
XBT_DEBUG("Create link from '%s' to '%s'",host_id,router_id);
ns3_node_t host_src = ns3_find_host(host_id);
ns3_node_t host_dst = ns3_find_host(router_id);
- if(host_src && host_dst){}
- else xbt_die("\tns3_add_link from %d to %d",host_src->node_num,host_dst->node_num);
+ xbt_assert(host_src && host_dst, "\tns3_add_link from %d to %d",host_src->node_num,host_dst->node_num);
ns3_add_link(host_src->node_num,host_src->type,
host_dst->node_num,host_dst->type,
//get the onelinks from the parsed platform
xbt_dynar_t onelink_routes = routing_platf->getOneLinkRoutes();
+ std::unordered_set<simgrid::surf::LinkNS3*> already_seen = std::unordered_set<simgrid::surf::LinkNS3*>();
+
XBT_DEBUG("There is %ld one-link routes",onelink_routes->used);
- //save them in trace file
simgrid::surf::Onelink *onelink;
unsigned int iter;
xbt_dynar_foreach(onelink_routes, iter, onelink) {
char *dst = onelink->dst_->name();
simgrid::surf::LinkNS3 *link = static_cast<simgrid::surf::LinkNS3 *>(onelink->link_);
- if (strcmp(src,dst) && link->m_created){
+ if (strcmp(src,dst) && (already_seen.find(link) == already_seen.end())) {
+ already_seen.insert(link);
XBT_DEBUG("Route from '%s' to '%s' with link '%s'", src, dst, link->getName());
char * link_bdw = bprintf("%fBps", link->getBandwidth());
char * link_lat = bprintf("%fs", link->getLatency());
- link->m_created = 0;
// XBT_DEBUG("src (%s), dst (%s), src_id = %d, dst_id = %d",src,dst, src_id, dst_id);
XBT_DEBUG("\tLink (%s) bdw:%s lat:%s", link->getName(), link_bdw, link_lat);
namespace surf {
NetworkNS3Model::NetworkNS3Model() : NetworkModel() {
- if (ns3_initialize(xbt_cfg_get_string(_sg_cfg_set, "ns3/TcpModel"))) {
- xbt_die("Impossible to initialize NS3 interface");
- }
+ ns3_initialize(xbt_cfg_get_string(_sg_cfg_set, "ns3/TcpModel"));
+
routing_model_create(NULL);
simgrid::s4u::Host::onCreation.connect(simgrid_ns3_add_host);
simgrid::surf::netcardCreatedCallbacks.connect(simgrid_ns3_add_router);
action->p_dstElm = dst;
networkCommunicateCallbacks(action, src, dst, size, rate);
- return (surf_action_t) action;
+ return action;
}
double NetworkNS3Model::next_occuring_event(double now)
LinkNS3::LinkNS3(NetworkNS3Model *model, const char *name, xbt_dict_t props, double bandwidth, double latency)
: Link(model, name, props)
- , m_created(1)
{
m_bandwidth.peak = bandwidth;
m_latency.peak = latency;
ns3_sim->simulator_start(min);
}
-int ns3_create_flow(const char* a,const char *b,double start,u_int32_t TotalBytes,simgrid::surf::NetworkNS3Action * action)
+void ns3_create_flow(const char* a,const char *b,double start,u_int32_t TotalBytes,simgrid::surf::NetworkNS3Action * action)
{
ns3_node_t node1 = ns3_find_host(a);
ns3_node_t node2 = ns3_find_host(b);
char* addr = (char*)xbt_dynar_get_as(IPV4addr,node2->node_num,char*);
XBT_DEBUG("ns3_create_flow %d Bytes from %d to %d with Interface %s",TotalBytes, node1->node_num, node2->node_num,addr);
- ns3_sim->create_flow_NS3(src_node, dst_node, port_number,
- start,
- addr,
- TotalBytes,
- action);
+ ns3_sim->create_flow_NS3(src_node, dst_node, port_number, start, addr, TotalBytes, action);
port_number++;
- if(port_number >= 65001 ) xbt_die("Too many connections! Port number is saturated.");
- return 0;
+ xbt_assert(port_number <= 65000, "Too many connections! Port number is saturated.");
}
// initialize the NS3 interface and environment
-int ns3_initialize(const char* TcpProtocol){
+void ns3_initialize(const char* TcpProtocol){
xbt_assert(!ns3_sim, "ns3 already initialized");
ns3_sim = new NS3Sim();
ns3::Config::SetDefault ("ns3::TcpSocket::SegmentSize", ns3::UintegerValue (1024)); // 1024-byte packet for easier reading
ns3::Config::SetDefault ("ns3::TcpSocket::DelAckCount", ns3::UintegerValue (1));
- if(!strcmp(TcpProtocol,"default")){
- return 0;
- }
- if(!strcmp(TcpProtocol,"Reno")){
+ if (!strcmp(TcpProtocol,"default"))
+ return;
+
+ if (!strcmp(TcpProtocol,"Reno")) {
XBT_INFO("Switching Tcp protocol to '%s'",TcpProtocol);
ns3::Config::SetDefault ("ns3::TcpL4Protocol::SocketType", ns3::StringValue("ns3::TcpReno"));
- return 0;
+ return;
}
- if(!strcmp(TcpProtocol,"NewReno")){
+ if (!strcmp(TcpProtocol,"NewReno")) {
XBT_INFO("Switching Tcp protocol to '%s'",TcpProtocol);
ns3::Config::SetDefault ("ns3::TcpL4Protocol::SocketType", ns3::StringValue("ns3::TcpNewReno"));
- return 0;
+ return;
}
if(!strcmp(TcpProtocol,"Tahoe")){
XBT_INFO("Switching Tcp protocol to '%s'",TcpProtocol);
ns3::Config::SetDefault ("ns3::TcpL4Protocol::SocketType", ns3::StringValue("ns3::TcpTahoe"));
- return 0;
+ return;
}
- XBT_ERROR("The ns3/TcpModel must be : NewReno or Reno or Tahoe");
- return 0;
+ xbt_die("The ns3/TcpModel must be : NewReno or Reno or Tahoe");
}
void * ns3_add_host_cluster(const char * id)
static char* transformIpv4Address (ns3::Ipv4Address from){
std::stringstream sstream;
- sstream << from ;
- std::string s = sstream.str();
- return bprintf("%s",s.c_str());
+ sstream << from ;
+ std::string s = sstream.str();
+ return bprintf("%s",s.c_str());
}
void ns3_add_link(int src, e_ns3_network_element_type_t type_src,
