#include <unordered_set>
+#include <xbt/config.hpp>
+
#include "ns3/core-module.h"
#include "ns3/node.h"
#include "ns3/ns3_interface.h"
#include "ns3/ns3_simulator.h"
-#include "src/surf/network_ns3.hpp"
+#include "network_ns3.hpp"
#include "src/surf/HostImpl.hpp"
#include "src/surf/surf_private.h"
int NS3_EXTENSION_ID;
xbt_dynar_t IPV4addr = xbt_dynar_new(sizeof(char*),free);
-static double time_to_next_flow_completion = -1;
/*****************
* Crude globals *
static int number_of_networks = 1;
static int port_number = 1025; //Port number is limited from 1025 to 65 000
-static NS3Sim* ns3_sim = 0;
-
-
/*************
* Callbacks *
*************/
-static void simgrid_ns3_add_host(simgrid::s4u::Host& host)
+static void ns3_add_host(simgrid::s4u::Host& host)
{
const char* id = host.name().c_str();
XBT_DEBUG("NS3_ADD_HOST '%s'", id);
host.extension_set(NS3_EXTENSION_ID, ns3host);
}
-static void simgrid_ns3_add_netcard(simgrid::surf::NetCard* netcard)
+static void ns3_add_netcard(simgrid::kernel::routing::NetCard* netcard)
{
const char* id = netcard->name();
nodes.Add(node);
ns3netcard->node_num = number_of_nodes++;
-
xbt_lib_set(as_router_lib, id, NS3_ASR_LEVEL, ns3netcard );
}
#include "src/surf/xml/platf.hpp" // FIXME: move that back to the parsing area
static void parse_ns3_add_cluster(sg_platf_cluster_cbarg_t cluster)
{
- const char *groups = NULL;
-
- int start, end, i;
- unsigned int iter;
-
- xbt_dynar_t tab_elements_num = xbt_dynar_new(sizeof(int), NULL);
-
- char *router_id,*host_id;
+ xbt_dynar_t tab_elements_num = xbt_dynar_new(sizeof(int), nullptr);
xbt_dynar_t radical_elements = xbt_str_split(cluster->radical, ",");
+ unsigned int iter;
+ const char* groups = nullptr;
xbt_dynar_foreach(radical_elements, iter, groups) {
- xbt_dynar_t radical_ends = xbt_str_split(groups, "-");
+ xbt_dynar_t radical_ends = xbt_str_split(groups, "-");
- switch (xbt_dynar_length(radical_ends)) {
- case 1:
- start = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 0, char *));
+ if (xbt_dynar_length(radical_ends) == 1) {
+ int start = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 0, char*));
xbt_dynar_push_as(tab_elements_num, int, start);
- router_id = bprintf("ns3_%s%d%s", cluster->prefix, start, cluster->suffix);
- simgrid::s4u::Host::by_name_or_create(router_id)
- ->extension_set(NS3_EXTENSION_ID, ns3_add_host_cluster(router_id));
+ char* router_id = bprintf("ns3_%s%d%s", cluster->prefix, start, cluster->suffix);
+ simgrid::s4u::Host::by_name_or_create(router_id)->extension_set(NS3_EXTENSION_ID, ns3_add_host_cluster(router_id));
XBT_DEBUG("NS3_ADD_ROUTER '%s'",router_id);
free(router_id);
- break;
- case 2:
- start = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 0, char *));
- end = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 1, char *));
- for (i = start; i <= end; i++){
+ } else if (xbt_dynar_length(radical_ends) == 2) {
+ int start = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 0, char*));
+ int end = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 1, char*));
+ for (int i = start; i <= end; i++) {
xbt_dynar_push_as(tab_elements_num, int, i);
- router_id = bprintf("ns3_%s%d%s", cluster->prefix, i, cluster->suffix);
- simgrid::s4u::Host::by_name_or_create(router_id)
- ->extension_set(NS3_EXTENSION_ID, ns3_add_host_cluster(router_id));
+ char* router_id = bprintf("ns3_%s%d%s", cluster->prefix, i, cluster->suffix);
+ simgrid::s4u::Host::by_name_or_create(router_id)->extension_set(NS3_EXTENSION_ID, ns3_add_host_cluster(router_id));
XBT_DEBUG("NS3_ADD_ROUTER '%s'",router_id);
free(router_id);
}
- break;
- default:
+ } else {
XBT_DEBUG("Malformed radical");
}
}
char * bw = bprintf("%fBps", cluster->bw);
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);
+ char* host_id = bprintf("%s%d%s", cluster->prefix, elmts, cluster->suffix);
+ char* 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);
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,NS3_NETWORK_ELEMENT_HOST,
- host_dst->node_num,NS3_NETWORK_ELEMENT_HOST,
- bw,lat);
+ ns3_add_link(host_src->node_num, host_dst->node_num, bw,lat);
free(router_id);
free(host_id);
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);
- simgrid::surf::Onelink *onelink;
+ simgrid::kernel::routing::Onelink *onelink;
unsigned int iter;
xbt_dynar_foreach(onelink_routes, iter, onelink) {
char *src = onelink->src_->name();
if (!host_src || !host_dst)
xbt_die("\tns3_add_link from %d to %d",host_src->node_num,host_dst->node_num);
- ns3_add_link(host_src->node_num,NS3_NETWORK_ELEMENT_HOST,host_dst->node_num,NS3_NETWORK_ELEMENT_HOST,link_bdw,link_lat);
+ ns3_add_link(host_src->node_num, host_dst->node_num, link_bdw, link_lat);
xbt_free(link_bdw);
xbt_free(link_lat);
}
}
+
+ ns3::GlobalRouteManager::BuildGlobalRoutingDatabase();
+ ns3::GlobalRouteManager::InitializeRoutes();
}
/*********
return;
surf_network_model = new simgrid::surf::NetworkNS3Model();
- xbt_dynar_push(all_existing_models, &surf_network_model);
+ all_existing_models->push_back(surf_network_model);
}
+static simgrid::config::Flag<std::string> ns3_tcp_model("ns3/TcpModel",
+ "The ns3 tcp model can be : NewReno or Reno or Tahoe",
+ "default");
+
namespace simgrid {
namespace surf {
NetworkNS3Model::NetworkNS3Model() : NetworkModel() {
- ns3_initialize(xbt_cfg_get_string(_sg_cfg_set, "ns3/TcpModel"));
+ ns3_initialize(ns3_tcp_model.get().c_str());
- routing_model_create(NULL);
- simgrid::s4u::Host::onCreation.connect(simgrid_ns3_add_host);
- simgrid::surf::netcardCreatedCallbacks.connect(simgrid_ns3_add_netcard);
- simgrid::surf::on_link.connect(netlink_parse_init);
+ routing_model_create(nullptr);
+ simgrid::s4u::Host::onCreation.connect(ns3_add_host);
+ simgrid::kernel::routing::netcardCreatedCallbacks.connect(ns3_add_netcard);
simgrid::surf::on_cluster.connect (&parse_ns3_add_cluster);
- simgrid::surf::on_postparse.connect(&create_ns3_topology); //get_one_link_routes
- simgrid::surf::on_postparse.connect(&ns3_end_platform); //InitializeRoutes
+ simgrid::surf::on_postparse.connect(&create_ns3_topology);
NS3_EXTENSION_ID = simgrid::s4u::Host::extension_create(xbt_free_f);
NS3_ASR_LEVEL = xbt_lib_add_level(as_router_lib, xbt_free_f);
+
+ LogComponentEnable("UdpEchoClientApplication", ns3::LOG_LEVEL_INFO);
+ LogComponentEnable("UdpEchoServerApplication", ns3::LOG_LEVEL_INFO);
}
NetworkNS3Model::~NetworkNS3Model() {
- delete ns3_sim;
xbt_dynar_free_container(&IPV4addr);
xbt_dict_free(&flowFromSock);
}
return new LinkNS3(this, name, properties, bandwidth, latency);
}
-Action *NetworkNS3Model::communicate(NetCard *src, NetCard *dst, double size, double rate)
+Action* NetworkNS3Model::communicate(s4u::Host* src, s4u::Host* dst, double size, double rate)
{
- XBT_DEBUG("Communicate from %s to %s", src->name(), dst->name());
- NetworkNS3Action *action = new NetworkNS3Action(this, size, 0);
-
- ns3_create_flow(src->name(), dst->name(), surf_get_clock(), size, action);
-
- action->m_lastSent = 0;
- action->p_srcElm = src;
- action->p_dstElm = dst;
- networkCommunicateCallbacks(action, src, dst, size, rate);
-
- return action;
+ return new NetworkNS3Action(this, size, src, dst);
}
-double NetworkNS3Model::next_occuring_event(double now)
+double NetworkNS3Model::nextOccuringEvent(double now)
{
+ double time_to_next_flow_completion;
XBT_DEBUG("ns3_next_occuring_event");
//get the first relevant value from the running_actions list
else
do {
ns3_simulator(now);
- time_to_next_flow_completion = ns3::Simulator::Now().GetSeconds() - surf_get_clock();//FIXME: use now instead ?
+ time_to_next_flow_completion = ns3::Simulator::Now().GetSeconds() - surf_get_clock();
} while(double_equals(time_to_next_flow_completion, 0, sg_surf_precision));
XBT_DEBUG("min : %f", now);
void NetworkNS3Model::updateActionsState(double now, double delta)
{
- static xbt_dynar_t socket_to_destroy = xbt_dynar_new(sizeof(char*),NULL);
+ static xbt_dynar_t socket_to_destroy = xbt_dynar_new(sizeof(char*),nullptr);
/* If there are no running flows, advance the NS3 simulator and return */
if (getRunningActionSet()->empty()) {
return;
}
- xbt_dict_cursor_t cursor = NULL;
+ xbt_dict_cursor_t cursor = nullptr;
char *ns3Socket;
SgFlow *sgFlow;
xbt_dict_foreach(flowFromSock,cursor,ns3Socket,sgFlow){
if (TRACE_is_enabled() &&
action->getState() == Action::State::running){
- double data_delta_sent = sgFlow->sentBytes_ - action->m_lastSent;
+ double data_delta_sent = sgFlow->sentBytes_ - action->lastSent_;
- std::vector<Link*> *route = new std::vector<Link*>();
+ std::vector<Link*> route = std::vector<Link*>();
- routing_platf->getRouteAndLatency (action->p_srcElm, action->p_dstElm, route, NULL);
- for (auto link : *route)
+ routing_platf->getRouteAndLatency(action->src_->pimpl_netcard, action->dst_->pimpl_netcard, &route, nullptr);
+ for (auto link : route)
TRACE_surf_link_set_utilization (link->getName(), action->getCategory(), (data_delta_sent)/delta, now-delta, delta);
- delete route;
- action->m_lastSent = sgFlow->sentBytes_;
+ action->lastSent_ = sgFlow->sentBytes_;
}
if(sgFlow->finished_){
}
xbt_dict_remove(flowFromSock, ns3Socket);
}
- return;
}
/************
THROW_UNIMPLEMENTED;
}
void LinkNS3::setBandwidthTrace(tmgr_trace_t trace) {
- xbt_die("The NS3 network model doesn't support latency state traces");
+ xbt_die("The NS3 network model doesn't support bandwidth traces");
}
void LinkNS3::setLatencyTrace(tmgr_trace_t trace) {
- xbt_die("The NS3 network model doesn't support latency state traces");
+ xbt_die("The NS3 network model doesn't support latency traces");
}
/**********
* Action *
**********/
-NetworkNS3Action::NetworkNS3Action(Model *model, double cost, bool failed)
-: NetworkAction(model, cost, failed)
-{}
-
-void NetworkNS3Action::suspend()
+NetworkNS3Action::NetworkNS3Action(Model* model, double size, s4u::Host* src, s4u::Host* dst)
+ : NetworkAction(model, size, false)
{
+ XBT_DEBUG("Communicate from %s to %s", src->name().c_str(), dst->name().c_str());
+
+ src_ = src;
+ dst_ = dst;
+ ns3_create_flow(src->name().c_str(), dst->name().c_str(), surf_get_clock(), size, this);
+
+ Link::onCommunicate(this, src, dst);
+}
+
+void NetworkNS3Action::suspend() {
THROW_UNIMPLEMENTED;
}
-void NetworkNS3Action::resume()
-{
+void NetworkNS3Action::resume() {
THROW_UNIMPLEMENTED;
}
/* Test whether a flow is suspended */
bool NetworkNS3Action::isSuspended()
{
- return 0;
+ return false;
}
int NetworkNS3Action::unref()
{
- m_refcount--;
- if (!m_refcount) {
- if (action_hook.is_linked())
- p_stateSet->erase(p_stateSet->iterator_to(*this));
+ refcount_--;
+ if (!refcount_) {
+ if (action_hook.is_linked())
+ stateSet_->erase(stateSet_->iterator_to(*this));
XBT_DEBUG ("Removing action %p", this);
delete this;
return 1;
}
+void ns3_simulator(double maxSeconds){
+ if (maxSeconds > 0.0) // If there is a maximum amount of time to run
+ ns3::Simulator::Stop(ns3::Seconds(maxSeconds));
+ XBT_DEBUG("Start simulator for at most %fs",maxSeconds);
+ ns3::Simulator::Run ();
+}
+
+void ns3_create_flow(const char* a,const char *b,double startTime,u_int32_t TotalBytes,simgrid::surf::NetworkNS3Action * action)
+{
+ int node1 = ns3_find_host(a)->node_num;
+ int node2 = ns3_find_host(b)->node_num;
+ ns3::Ptr<ns3::Node> src_node = nodes.Get(node1);
+ ns3::Ptr<ns3::Node> dst_node = nodes.Get(node2);
+ char* addr = (char*)xbt_dynar_get_as(IPV4addr,node2,char*);
-void ns3_simulator(double min){
- ns3_sim->simulator_start(min);
-}
+ XBT_DEBUG("ns3_create_flow %d Bytes from %d to %d with Interface %s",TotalBytes, node1, node2,addr);
+ ns3::PacketSinkHelper sink("ns3::TcpSocketFactory", ns3::InetSocketAddress (ns3::Ipv4Address::GetAny(), port_number));
+ sink.Install (dst_node);
-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);
+ ns3::Ptr<ns3::Socket> sock = ns3::Socket::CreateSocket (src_node, ns3::TcpSocketFactory::GetTypeId());
- ns3::Ptr<ns3::Node> src_node = nodes.Get(node1->node_num);
- ns3::Ptr<ns3::Node> dst_node = nodes.Get(node2->node_num);
+ xbt_dict_set(flowFromSock, transformSocketPtr(sock), new SgFlow(TotalBytes, action), nullptr);
- char* addr = (char*)xbt_dynar_get_as(IPV4addr,node2->node_num,char*);
+ sock->Bind(ns3::InetSocketAddress(port_number));
+ XBT_DEBUG("Create flow starting to %fs + %fs = %fs",
+ startTime-ns3::Simulator::Now().GetSeconds(), ns3::Simulator::Now().GetSeconds(), startTime);
- 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::Simulator::Schedule (ns3::Seconds(startTime-ns3::Simulator::Now().GetSeconds()),
+ &StartFlow, sock, addr, port_number);
port_number++;
xbt_assert(port_number <= 65000, "Too many connections! Port number is saturated.");
// initialize the NS3 interface and environment
void ns3_initialize(const char* TcpProtocol){
- xbt_assert(!ns3_sim, "ns3 already initialized");
- ns3_sim = new NS3Sim();
-
// tcpModel are:
// "ns3::TcpNewReno"
// "ns3::TcpReno"
void ns3_add_cluster(char * bw,char * lat,const char *id)
{
-
XBT_DEBUG("cluster_id: %s",id);
XBT_DEBUG("bw: %s lat: %s",bw,lat);
XBT_DEBUG("Number of %s nodes: %d",id,Cluster_nodes.GetN() - number_of_clusters_nodes);
XBT_DEBUG("Add router %d to cluster",nodes.GetN()-Nodes.GetN()-1);
Nodes.Add(nodes.Get(nodes.GetN()-Nodes.GetN()-1));
- if(Nodes.GetN() > 65000)
- xbt_die("Cluster with NS3 is limited to 65000 nodes");
+ xbt_assert(Nodes.GetN() <= 65000, "Cluster with NS3 is limited to 65000 nodes");
ns3::CsmaHelper csma;
csma.SetChannelAttribute ("DataRate", ns3::StringValue (bw));
csma.SetChannelAttribute ("Delay", ns3::StringValue (lat));
interfaces.Add(ipv4.Assign (devices));
if(number_of_links == 255){
- if(number_of_networks == 255)
- xbt_die("Number of links and networks exceed 255*255");
+ xbt_assert(number_of_networks < 255, "Number of links and networks exceed 255*255");
number_of_links = 1;
number_of_networks++;
}else{
return bprintf("%s",s.c_str());
}
-void ns3_add_link(int src, e_ns3_network_element_type_t type_src,
- int dst, e_ns3_network_element_type_t type_dst,
- char *bw, char *lat)
+void ns3_add_link(int src, int dst, char *bw, char *lat)
{
- if(number_of_links == 1 ) {
- LogComponentEnable("UdpEchoClientApplication", ns3::LOG_LEVEL_INFO);
- LogComponentEnable("UdpEchoServerApplication", ns3::LOG_LEVEL_INFO);
- }
-
- ns3::MyPointToPointHelper pointToPoint;
+ ns3::PointToPointHelper pointToPoint;
ns3::NetDeviceContainer netA;
ns3::Ipv4AddressHelper address;
XBT_DEBUG("\tAdd PTP from %d to %d bw:'%s' lat:'%s'",src,dst,bw,lat);
pointToPoint.SetDeviceAttribute ("DataRate", ns3::StringValue (bw));
pointToPoint.SetChannelAttribute ("Delay", ns3::StringValue (lat));
- //pointToPoint.EnablePcapAll("test_ns3_trace"); //DEBUG
- netA.Add(pointToPoint.Install (a, type_src, b, type_dst));
+ netA.Add(pointToPoint.Install (a, b));
char * adr = bprintf("%d.%d.0.0",number_of_networks,number_of_links);
address.SetBase (adr, "255.255.0.0");
xbt_dynar_set_as(IPV4addr,dst,char*,tmp);
XBT_DEBUG("Have write '%s' for Node '%d'",(char*)xbt_dynar_get_as(IPV4addr,dst,char*),dst);
- if(number_of_links == 255){
- if(number_of_networks == 255)
- xbt_die("Number of links and networks exceed 255*255");
+ if (number_of_links == 255){
+ xbt_assert(number_of_networks < 255, "Number of links and networks exceed 255*255");
number_of_links = 1;
number_of_networks++;
- }else{
+ } else {
number_of_links++;
}
}
-
-void ns3_end_platform(void)
-{
- XBT_DEBUG("InitializeRoutes");
- ns3::GlobalRouteManager::BuildGlobalRoutingDatabase();
- ns3::GlobalRouteManager::InitializeRoutes();
-}
