-/* Copyright (c) 2007-2019. The SimGrid Team. All rights reserved. */
+/* Copyright (c) 2007-2020. The SimGrid Team. All rights reserved. */
/* 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. */
extern std::map<std::string, ns3::ApplicationContainer> sink_from_sock;
static ns3::InternetStackHelper stack;
-static ns3::NodeContainer nodes;
-static ns3::NodeContainer Cluster_nodes;
static ns3::Ipv4InterfaceContainer interfaces;
static int number_of_nodes = 0;
-static int number_of_clusters_nodes = 0;
static int number_of_links = 1;
static int number_of_networks = 1;
NetPointNs3::NetPointNs3() : ns3_node_(ns3::CreateObject<ns3::Node>(0))
{
stack.Install(ns3_node_);
- nodes.Add(ns3_node_);
node_num = number_of_nodes++;
}
static void clusterCreation_cb(simgrid::kernel::routing::ClusterCreationArgs const& cluster)
{
+ ns3::NodeContainer Nodes;
+
for (int const& i : *cluster.radicals) {
// Routers don't create a router on the other end of the private link by themselves.
// We just need this router to be given an ID so we create a temporary NetPointNS3 so that it gets one
xbt_assert(host_src, "Cannot find a ns-3 host of name %s", host_id.c_str());
// Any ns-3 route is symmetrical
- ns3_add_link(host_src, host_dst, cluster.bw, cluster.lat);
+ ns3_add_direct_route(host_src, host_dst, cluster.bw, cluster.lat, cluster.sharing_policy);
delete host_dst;
+
+ // Also add the host to the list of hosts that will be connected to the backbone
+ Nodes.Add(host_src->ns3_node_);
}
- //Create link backbone
- ns3_add_cluster(cluster.id.c_str(), cluster.bb_bw, cluster.bb_lat);
+ // Create link backbone
+
+ xbt_assert(Nodes.GetN() <= 65000, "Cluster with ns-3 is limited to 65000 nodes");
+ ns3::CsmaHelper csma;
+ csma.SetChannelAttribute("DataRate",
+ ns3::DataRateValue(ns3::DataRate(cluster.bb_bw * 8))); // ns-3 takes bps, but we provide Bps
+ csma.SetChannelAttribute("Delay", ns3::TimeValue(ns3::Seconds(cluster.bb_lat)));
+ ns3::NetDeviceContainer devices = csma.Install(Nodes);
+ XBT_DEBUG("Create CSMA");
+
+ std::string addr = simgrid::xbt::string_printf("%d.%d.0.0", number_of_networks, number_of_links);
+ XBT_DEBUG("Assign IP Addresses %s to CSMA.", addr.c_str());
+ ns3::Ipv4AddressHelper ipv4;
+ ipv4.SetBase(addr.c_str(), "255.255.0.0");
+ interfaces.Add(ipv4.Assign(devices));
+
+ 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 {
+ number_of_links++;
+ }
}
static void routeCreation_cb(bool symmetrical, simgrid::kernel::routing::NetPoint* src,
- simgrid::kernel::routing::NetPoint* dst, simgrid::kernel::routing::NetPoint* gw_src,
- simgrid::kernel::routing::NetPoint* gw_dst,
+ simgrid::kernel::routing::NetPoint* dst, simgrid::kernel::routing::NetPoint* /*gw_src*/,
+ simgrid::kernel::routing::NetPoint* /*gw_dst*/,
std::vector<simgrid::kernel::resource::LinkImpl*> const& link_list)
{
if (link_list.size() == 1) {
auto* link = static_cast<simgrid::kernel::resource::LinkNS3*>(link_list[0]);
- XBT_DEBUG("Route from '%s' to '%s' with link '%s' %s", src->get_cname(), dst->get_cname(), link->get_cname(),
+ XBT_DEBUG("Route from '%s' to '%s' with link '%s' %s %s", src->get_cname(), dst->get_cname(), link->get_cname(),
+ (link->get_sharing_policy() == simgrid::s4u::Link::SharingPolicy::WIFI ? "(wifi)" : "(wired)"),
(symmetrical ? "(symmetrical)" : "(not symmetrical)"));
// XBT_DEBUG("src (%s), dst (%s), src_id = %d, dst_id = %d",src,dst, src_id, dst_id);
xbt_assert(host_src != nullptr, "Network element %s does not seem to be ns-3-ready", src->get_cname());
xbt_assert(host_dst != nullptr, "Network element %s does not seem to be ns-3-ready", dst->get_cname());
- ns3_add_link(host_src, host_dst, link->get_bandwidth(), link->get_latency());
+ ns3_add_direct_route(host_src, host_dst, link->get_bandwidth(), link->get_latency(), link->get_sharing_policy());
} else {
static bool warned_about_long_routes = false;
pt.extension_set<NetPointNs3>(new NetPointNs3());
XBT_VERB("SimGrid's %s is known as node %d within ns-3", pt.get_cname(), pt.extension<NetPointNs3>()->node_num);
});
- surf::on_cluster.connect(&clusterCreation_cb);
+ routing::on_cluster_creation.connect(&clusterCreation_cb);
s4u::Engine::on_platform_created.connect(&postparse_cb);
s4u::NetZone::on_route_creation.connect(&routeCreation_cb);
}
LinkImpl* NetworkNS3Model::create_link(const std::string& name, const std::vector<double>& bandwidths, double latency,
- s4u::Link::SharingPolicy)
+ s4u::Link::SharingPolicy policy)
{
xbt_assert(bandwidths.size() == 1, "ns-3 links must use only 1 bandwidth.");
- return new LinkNS3(this, name, bandwidths[0], latency);
+ return new LinkNS3(this, name, bandwidths[0], latency, policy);
}
Action* NetworkNS3Model::communicate(s4u::Host* src, s4u::Host* dst, double size, double rate)
std::vector<LinkImpl*> route = std::vector<LinkImpl*>();
- action->src_->route_to(action->dst_, route, nullptr);
+ action->get_src().route_to(&action->get_dst(), route, nullptr);
for (auto const& link : route)
- TRACE_surf_resource_set_utilization("LINK", "bandwidth_used", link->get_cname(), action->get_category(),
- (data_delta_sent) / delta, now - delta, delta);
+ instr::resource_set_utilization("LINK", "bandwidth_used", link->get_cname(), action->get_category(),
+ (data_delta_sent) / delta, now - delta, delta);
action->last_sent_ = sgFlow->sent_bytes_;
}
socket_to_destroy.push_back(ns3_socket);
XBT_DEBUG("Destroy socket %p of action %p", ns3_socket.c_str(), action);
action->set_remains(0);
- action->finish(kernel::resource::Action::State::FINISHED);
+ action->finish(Action::State::FINISHED);
} else {
XBT_DEBUG("Socket %p sent %u bytes out of %u (%u remaining)", ns3_socket.c_str(), sgFlow->sent_bytes_,
sgFlow->total_bytes_, sgFlow->remaining_);
* Resource *
************/
-LinkNS3::LinkNS3(NetworkNS3Model* model, const std::string& name, double bandwidth, double latency)
- : LinkImpl(model, name, nullptr)
+LinkNS3::LinkNS3(NetworkNS3Model* model, const std::string& name, double bandwidth, double latency,
+ s4u::Link::SharingPolicy policy)
+ : LinkImpl(model, name, nullptr), sharing_policy_(policy)
{
bandwidth_.peak = bandwidth;
latency_.peak = latency;
- s4u::Link::on_creation(this->piface_);
+ /* If wifi, create the wifizone now. If not, don't do anything: the links will be created in routeCreate_cb */
+
+ s4u::Link::on_creation(*this->get_iface());
}
LinkNS3::~LinkNS3() = default;
**********/
NetworkNS3Action::NetworkNS3Action(Model* model, double totalBytes, s4u::Host* src, s4u::Host* dst)
- : NetworkAction(model, totalBytes, false), src_(src), dst_(dst)
+ : NetworkAction(model, *src, *dst, totalBytes, false)
{
-
// If there is no other started actions, we need to move NS-3 forward to be sync with SimGrid
if (model->get_started_action_set()->size()==1){
while(double_positive(surf_get_clock() - ns3::Simulator::Now().GetSeconds(), sg_surf_precision)){
port_number = 1025;
XBT_WARN("Too many connections! Port number is saturated. Trying to use the oldest ports.");
}
- xbt_assert(port_number <= 65000, "Too many connections! Port number is saturated.");
- s4u::Link::on_communicate(*this, src, dst);
+ s4u::Link::on_communicate(*this);
}
void NetworkNS3Action::suspend() {
THROW_UNIMPLEMENTED;
}
-std::list<LinkImpl*> NetworkNS3Action::links() const
+std::list<LinkImpl*> NetworkNS3Action::get_links() const
{
THROW_UNIMPLEMENTED;
}
}
}
-void ns3_add_cluster(const char* id, double bw, double lat) {
- ns3::NodeContainer Nodes;
-
- for (unsigned int i = number_of_clusters_nodes; i < Cluster_nodes.GetN(); i++) {
- Nodes.Add(Cluster_nodes.Get(i));
- XBT_DEBUG("Add node %u to cluster", i);
- }
- number_of_clusters_nodes = Cluster_nodes.GetN();
-
- XBT_DEBUG("Add router %u to cluster", nodes.GetN() - Nodes.GetN() - 1);
- Nodes.Add(nodes.Get(nodes.GetN()-Nodes.GetN()-1));
-
- xbt_assert(Nodes.GetN() <= 65000, "Cluster with ns-3 is limited to 65000 nodes");
- ns3::CsmaHelper csma;
- csma.SetChannelAttribute("DataRate", ns3::DataRateValue(ns3::DataRate(bw * 8))); // ns-3 takes bps, but we provide Bps
- csma.SetChannelAttribute("Delay", ns3::TimeValue(ns3::Seconds(lat)));
- ns3::NetDeviceContainer devices = csma.Install(Nodes);
- XBT_DEBUG("Create CSMA");
-
- std::string addr = simgrid::xbt::string_printf("%d.%d.0.0", number_of_networks, number_of_links);
- XBT_DEBUG("Assign IP Addresses %s to CSMA.", addr.c_str());
- ns3::Ipv4AddressHelper ipv4;
- ipv4.SetBase(addr.c_str(), "255.255.0.0");
- interfaces.Add(ipv4.Assign (devices));
-
- 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{
- number_of_links++;
- }
- XBT_DEBUG("Number of nodes in Cluster_nodes: %u", Cluster_nodes.GetN());
-}
-
static std::string transformIpv4Address(ns3::Ipv4Address from)
{
std::stringstream sstream;
return sstream.str();
}
-void ns3_add_link(NetPointNs3* src, NetPointNs3* dst, double bw, double lat) {
- ns3::PointToPointHelper pointToPoint;
-
+void ns3_add_direct_route(NetPointNs3* src, NetPointNs3* dst, double bw, double lat,
+ simgrid::s4u::Link::SharingPolicy policy)
+{
ns3::Ipv4AddressHelper address;
+ ns3::NetDeviceContainer netA;
int srcNum = src->node_num;
int dstNum = dst->node_num;
ns3::Ptr<ns3::Node> a = src->ns3_node_;
ns3::Ptr<ns3::Node> b = dst->ns3_node_;
- XBT_DEBUG("\tAdd PTP from %d to %d bw:'%f Bps' lat:'%fs'", srcNum, dstNum, bw, lat);
- pointToPoint.SetDeviceAttribute("DataRate",
- ns3::DataRateValue(ns3::DataRate(bw * 8))); // ns-3 takes bps, but we provide Bps
- pointToPoint.SetChannelAttribute("Delay", ns3::TimeValue(ns3::Seconds(lat)));
+ if (policy == simgrid::s4u::Link::SharingPolicy::WIFI) {
+ /* Install a ns3::WifiHelper */
+ } else {
+ ns3::PointToPointHelper pointToPoint;
+
+ XBT_DEBUG("\tAdd PTP from %d to %d bw:'%f Bps' lat:'%fs'", srcNum, dstNum, bw, lat);
+ pointToPoint.SetDeviceAttribute("DataRate",
+ ns3::DataRateValue(ns3::DataRate(bw * 8))); // ns-3 takes bps, but we provide Bps
+ pointToPoint.SetChannelAttribute("Delay", ns3::TimeValue(ns3::Seconds(lat)));
- ns3::NetDeviceContainer netA;
- netA.Add(pointToPoint.Install (a, b));
+ netA.Add(pointToPoint.Install(a, b));
+ }
std::string addr = simgrid::xbt::string_printf("%d.%d.0.0", number_of_networks, number_of_links);
address.SetBase(addr.c_str(), "255.255.0.0");