/* 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 "simgrid/kernel/routing/NetZoneImpl.hpp"
-#include "simgrid/kernel/routing/NetPoint.hpp"
-#include "simgrid/s4u/Engine.hpp"
-#include "simgrid/s4u/Host.hpp"
+#include <simgrid/kernel/routing/NetPoint.hpp>
+#include <simgrid/kernel/routing/NetZoneImpl.hpp>
+#include <simgrid/s4u/Engine.hpp>
+#include <simgrid/s4u/Host.hpp>
+
#include "src/include/simgrid/sg_config.hpp"
#include "src/kernel/EngineImpl.hpp"
+#include "src/kernel/resource/CpuImpl.hpp"
#include "src/kernel/resource/DiskImpl.hpp"
#include "src/surf/HostImpl.hpp"
-#include "src/surf/cpu_interface.hpp"
+#include "src/surf/SplitDuplexLinkImpl.hpp"
#include "src/surf/network_interface.hpp"
-#include "surf/surf.hpp"
XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(surf_route);
disk_model->model_init_preparse();
}
+xbt::signal<void(bool symmetrical, kernel::routing::NetPoint* src, kernel::routing::NetPoint* dst,
+ kernel::routing::NetPoint* gw_src, kernel::routing::NetPoint* gw_dst,
+ std::vector<kernel::resource::LinkImpl*> const& link_list)>
+ NetZoneImpl::on_route_creation;
+
NetZoneImpl::NetZoneImpl(const std::string& name) : piface_(this), name_(name)
{
+ auto* engine = s4u::Engine::get_instance();
/* workaroud: first netzoneImpl will be the root netzone.
* Without globals and with current surf_*_model_description init functions, we need
* the root netzone to exist when creating the models.
* This was usually done at sg_platf.cpp, during XML parsing */
- if (not s4u::Engine::get_instance()->get_netzone_root()) {
- s4u::Engine::get_instance()->set_netzone_root(&piface_);
+ if (not engine->get_netzone_root()) {
+ engine->set_netzone_root(&piface_);
/* root netzone set, initialize models */
simgrid::s4u::Engine::on_platform_creation();
surf_config_models_setup();
}
- xbt_assert(nullptr == s4u::Engine::get_instance()->netpoint_by_name_or_null(get_name()),
+ xbt_assert(nullptr == engine->netpoint_by_name_or_null(get_name()),
"Refusing to create a second NetZone called '%s'.", get_cname());
netpoint_ = new NetPoint(name_, NetPoint::Type::NetZone);
- XBT_DEBUG("NetZone '%s' created with the id '%u'", get_cname(), netpoint_->id());
+ XBT_DEBUG("NetZone '%s' created with the id '%lu'", get_cname(), netpoint_->id());
_sg_cfg_init_status = 2; /* HACK: direct access to the global controlling the level of configuration to prevent
* any further config now that we created some real content */
simgrid::s4u::NetZone::on_creation(piface_); // notify the signal
void NetZoneImpl::add_child(NetZoneImpl* new_zone)
{
xbt_assert(not sealed_, "Cannot add a new child to the sealed zone %s", get_cname());
- /* set the father behavior */
+ /* set the parent behavior */
hierarchy_ = RoutingMode::recursive;
children_.push_back(new_zone);
}
s4u::Host* NetZoneImpl::create_host(const std::string& name, const std::vector<double>& speed_per_pstate)
{
+ xbt_assert(cpu_model_pm_,
+ "Impossible to create host: %s. Invalid CPU model: nullptr. Have you set the parent of this NetZone: %s?",
+ name.c_str(), get_cname());
auto* res = (new surf::HostImpl(name))->get_iface();
res->set_netpoint((new NetPoint(name, NetPoint::Type::Host))->set_englobing_zone(this));
s4u::Link* NetZoneImpl::create_link(const std::string& name, const std::vector<double>& bandwidths)
{
+ xbt_assert(
+ network_model_,
+ "Impossible to create link: %s. Invalid network model: nullptr. Have you set the parent of this NetZone: %s?",
+ name.c_str(), get_cname());
return network_model_->create_link(name, bandwidths)->get_iface();
}
+s4u::SplitDuplexLink* NetZoneImpl::create_split_duplex_link(const std::string& name,
+ const std::vector<double>& bandwidths)
+{
+ auto* link_up = network_model_->create_link(name + "_UP", bandwidths);
+ auto* link_down = network_model_->create_link(name + "_DOWN", bandwidths);
+ auto link = std::make_unique<resource::SplitDuplexLinkImpl>(name, link_up, link_down);
+ auto* link_iface = link->get_iface();
+ EngineImpl::get_instance()->add_split_duplex_link(name, std::move(link));
+ return link_iface;
+}
+
s4u::Disk* NetZoneImpl::create_disk(const std::string& name, double read_bandwidth, double write_bandwidth)
{
+ xbt_assert(disk_model_,
+ "Impossible to create disk: %s. Invalid disk model: nullptr. Have you set the parent of this NetZone: %s?",
+ name.c_str(), get_cname());
auto* l = disk_model_->create_disk(name, read_bandwidth, write_bandwidth);
return l->get_iface();
return (new NetPoint(name, NetPoint::Type::Router))->set_englobing_zone(this);
}
-int NetZoneImpl::add_component(NetPoint* elm)
+
+unsigned long NetZoneImpl::add_component(NetPoint* elm)
{
vertices_.push_back(elm);
return vertices_.size() - 1; // The rank of the newly created object
}
+std::vector<resource::LinkImpl*> NetZoneImpl::get_link_list_impl(const std::vector<s4u::LinkInRoute>& link_list,
+ bool backroute) const
+{
+ std::vector<resource::LinkImpl*> links;
+
+ for (const auto& link : link_list) {
+ if (link.get_link()->get_sharing_policy() != s4u::Link::SharingPolicy::SPLITDUPLEX) {
+ links.push_back(link.get_link()->get_impl());
+ continue;
+ }
+ // split-duplex links
+ const auto* sd_link = dynamic_cast<const s4u::SplitDuplexLink*>(link.get_link());
+ xbt_assert(sd_link,
+ "Add_route: cast to SpliDuplexLink impossible. This should not happen, please contact SimGrid team");
+ resource::LinkImpl* link_impl;
+ switch (link.get_direction()) {
+ case s4u::LinkInRoute::Direction::UP:
+ if (backroute)
+ link_impl = sd_link->get_link_down()->get_impl();
+ else
+ link_impl = sd_link->get_link_up()->get_impl();
+ break;
+ case s4u::LinkInRoute::Direction::DOWN:
+ if (backroute)
+ link_impl = sd_link->get_link_up()->get_impl();
+ else
+ link_impl = sd_link->get_link_down()->get_impl();
+ break;
+ default:
+ throw std::invalid_argument("Invalid add_route. Split-Duplex link without a direction: " +
+ link.get_link()->get_name());
+ }
+ links.push_back(link_impl);
+ }
+ return links;
+}
+
void NetZoneImpl::add_route(NetPoint* /*src*/, NetPoint* /*dst*/, NetPoint* /*gw_src*/, NetPoint* /*gw_dst*/,
- const std::vector<resource::LinkImpl*>& /*link_list_*/, bool /*symmetrical*/)
+ const std::vector<s4u::LinkInRoute>& /*link_list_*/, bool /*symmetrical*/)
{
xbt_die("NetZone '%s' does not accept new routes (wrong class).", get_cname());
}
void NetZoneImpl::add_bypass_route(NetPoint* src, NetPoint* dst, NetPoint* gw_src, NetPoint* gw_dst,
- std::vector<resource::LinkImpl*>& link_list_, bool /* symmetrical */)
+ const std::vector<s4u::LinkInRoute>& link_list)
{
/* Argument validity checks */
if (gw_dst) {
XBT_DEBUG("Load bypassNetzoneRoute from %s@%s to %s@%s", src->get_cname(), gw_src->get_cname(), dst->get_cname(),
gw_dst->get_cname());
- xbt_assert(not link_list_.empty(), "Bypass route between %s@%s and %s@%s cannot be empty.", src->get_cname(),
+ xbt_assert(not link_list.empty(), "Bypass route between %s@%s and %s@%s cannot be empty.", src->get_cname(),
gw_src->get_cname(), dst->get_cname(), gw_dst->get_cname());
xbt_assert(bypass_routes_.find({src, dst}) == bypass_routes_.end(),
"The bypass route between %s@%s and %s@%s already exists.", src->get_cname(), gw_src->get_cname(),
dst->get_cname(), gw_dst->get_cname());
} else {
XBT_DEBUG("Load bypassRoute from %s to %s", src->get_cname(), dst->get_cname());
- xbt_assert(not link_list_.empty(), "Bypass route between %s and %s cannot be empty.", src->get_cname(),
+ xbt_assert(not link_list.empty(), "Bypass route between %s and %s cannot be empty.", src->get_cname(),
dst->get_cname());
xbt_assert(bypass_routes_.find({src, dst}) == bypass_routes_.end(),
"The bypass route between %s and %s already exists.", src->get_cname(), dst->get_cname());
/* Build a copy that will be stored in the dict */
auto* newRoute = new BypassRoute(gw_src, gw_dst);
- for (auto const& link : link_list_)
- newRoute->links.push_back(link);
+ auto converted_list = get_link_list_impl(link_list, false);
+ newRoute->links.insert(newRoute->links.end(), begin(converted_list), end(converted_list));
/* Store it */
bypass_routes_.insert({{src, dst}, newRoute});
* dst
* @endverbatim
*/
-static void find_common_ancestors(NetPoint* src, NetPoint* dst,
+static void find_common_ancestors(const NetPoint* src, const NetPoint* dst,
/* OUT */ NetZoneImpl** common_ancestor, NetZoneImpl** src_ancestor,
NetZoneImpl** dst_ancestor)
{
current = current->get_parent();
}
- /* (3) find the common father.
+ /* (3) find the common parent.
* Before that, index_src and index_dst may be different, they both point to nullptr in path_src/path_dst
* So we move them down simultaneously as long as they point to the same content.
*
* This works because all SimGrid platform have a unique root element (that is the last element of both paths).
*/
- NetZoneImpl* father = nullptr; // the netzone we dropped on the previous loop iteration
- while (path_src.size() > 1 && path_dst.size() > 1 &&
- path_src.at(path_src.size() - 1) == path_dst.at(path_dst.size() - 1)) {
- father = path_src.at(path_src.size() - 1);
+ NetZoneImpl* parent = nullptr; // the netzone we dropped on the previous loop iteration
+ while (path_src.size() > 1 && path_dst.size() > 1 && path_src.back() == path_dst.back()) {
+ parent = path_src.back();
path_src.pop_back();
path_dst.pop_back();
}
/* (4) we found the difference at least. Finalize the returned values */
- *src_ancestor = path_src.at(path_src.size() - 1); /* the first different father of src */
- *dst_ancestor = path_dst.at(path_dst.size() - 1); /* the first different father of dst */
+ *src_ancestor = path_src.back(); /* the first different parent of src */
+ *dst_ancestor = path_dst.back(); /* the first different parent of dst */
if (*src_ancestor == *dst_ancestor) { // src is the ancestor of dst, or the contrary
*common_ancestor = *src_ancestor;
} else {
- *common_ancestor = father;
+ xbt_assert(parent != nullptr);
+ *common_ancestor = parent;
}
}
/* PRECONDITION: this is the common ancestor of src and dst */
-bool NetZoneImpl::get_bypass_route(NetPoint* src, NetPoint* dst,
- /* OUT */ std::vector<resource::LinkImpl*>& links, double* latency)
+bool NetZoneImpl::get_bypass_route(const NetPoint* src, const NetPoint* dst,
+ /* OUT */ std::vector<resource::LinkImpl*>& links, double* latency,
+ std::unordered_set<NetZoneImpl*>& netzones)
{
// If never set a bypass route return nullptr without any further computations
if (bypass_routes_.empty())
if (dst->get_englobing_zone() == this && src->get_englobing_zone() == this) {
if (bypass_routes_.find({src, dst}) != bypass_routes_.end()) {
const BypassRoute* bypassedRoute = bypass_routes_.at({src, dst});
- for (resource::LinkImpl* const& link : bypassedRoute->links) {
- links.push_back(link);
- if (latency)
- *latency += link->get_latency();
- }
+ add_link_latency(links, bypassedRoute->links, latency);
XBT_DEBUG("Found a bypass route from '%s' to '%s' with %zu links", src->get_cname(), dst->get_cname(),
bypassedRoute->links.size());
return true;
current = current->parent_;
}
- /* (2) find the common father */
- while (path_src.size() > 1 && path_dst.size() > 1 &&
- path_src.at(path_src.size() - 1) == path_dst.at(path_dst.size() - 1)) {
+ /* (2) find the common parent */
+ while (path_src.size() > 1 && path_dst.size() > 1 && path_src.back() == path_dst.back()) {
path_src.pop_back();
path_dst.pop_back();
}
"calls to getRoute",
src->get_cname(), dst->get_cname(), bypassedRoute->links.size());
if (src != key.first)
- get_global_route(src, bypassedRoute->gw_src, links, latency);
- for (resource::LinkImpl* const& link : bypassedRoute->links) {
- links.push_back(link);
- if (latency)
- *latency += link->get_latency();
- }
+ get_global_route_with_netzones(src, bypassedRoute->gw_src, links, latency, netzones);
+ add_link_latency(links, bypassedRoute->links, latency);
if (dst != key.second)
- get_global_route(bypassedRoute->gw_dst, dst, links, latency);
+ get_global_route_with_netzones(bypassedRoute->gw_dst, dst, links, latency, netzones);
return true;
}
XBT_DEBUG("No bypass route from '%s' to '%s'.", src->get_cname(), dst->get_cname());
return false;
}
-void NetZoneImpl::get_global_route(NetPoint* src, NetPoint* dst,
+void NetZoneImpl::get_global_route(const NetPoint* src, const NetPoint* dst,
/* OUT */ std::vector<resource::LinkImpl*>& links, double* latency)
+{
+ std::unordered_set<NetZoneImpl*> netzones;
+ get_global_route_with_netzones(src, dst, links, latency, netzones);
+}
+
+void NetZoneImpl::get_global_route_with_netzones(const NetPoint* src, const NetPoint* dst,
+ /* OUT */ std::vector<resource::LinkImpl*>& links, double* latency,
+ std::unordered_set<NetZoneImpl*>& netzones)
{
Route route;
NetZoneImpl* src_ancestor;
NetZoneImpl* dst_ancestor;
find_common_ancestors(src, dst, &common_ancestor, &src_ancestor, &dst_ancestor);
- XBT_DEBUG("elements_father: common ancestor '%s' src ancestor '%s' dst ancestor '%s'", common_ancestor->get_cname(),
- src_ancestor->get_cname(), dst_ancestor->get_cname());
+ XBT_DEBUG("find_common_ancestors: common ancestor '%s' src ancestor '%s' dst ancestor '%s'",
+ common_ancestor->get_cname(), src_ancestor->get_cname(), dst_ancestor->get_cname());
+ netzones.insert(src->get_englobing_zone());
+ netzones.insert(dst->get_englobing_zone());
+ netzones.insert(common_ancestor);
/* Check whether a direct bypass is defined. If so, use it and bail out */
- if (common_ancestor->get_bypass_route(src, dst, links, latency))
+ if (common_ancestor->get_bypass_route(src, dst, links, latency, netzones))
return;
/* If src and dst are in the same netzone, life is good */
}
/* Not in the same netzone, no bypass. We'll have to find our path between the netzones recursively */
-
common_ancestor->get_local_route(src_ancestor->netpoint_, dst_ancestor->netpoint_, &route, latency);
xbt_assert((route.gw_src_ != nullptr) && (route.gw_dst_ != nullptr), "Bad gateways for route from '%s' to '%s'.",
src->get_cname(), dst->get_cname());
/* If source gateway is not our source, we have to recursively find our way up to this point */
if (src != route.gw_src_)
- get_global_route(src, route.gw_src_, links, latency);
+ get_global_route_with_netzones(src, route.gw_src_, links, latency, netzones);
links.insert(links.end(), begin(route.link_list_), end(route.link_list_));
/* If dest gateway is not our destination, we have to recursively find our way from this point */
if (route.gw_dst_ != dst)
- get_global_route(route.gw_dst_, dst, links, latency);
+ get_global_route_with_netzones(route.gw_dst_, dst, links, latency, netzones);
}
void NetZoneImpl::seal()
host_model_ = std::move(host_model);
}
+const NetZoneImpl* NetZoneImpl::get_netzone_recursive(const NetPoint* netpoint) const
+{
+ xbt_assert(netpoint && netpoint->is_netzone(), "Netpoint %s must be of the type NetZone",
+ netpoint ? netpoint->get_cname() : "nullptr");
+
+ if (netpoint == netpoint_)
+ return this;
+
+ for (const auto* children : children_) {
+ const NetZoneImpl* netzone = children->get_netzone_recursive(netpoint);
+ if (netzone)
+ return netzone;
+ }
+ return nullptr;
+}
+
+bool NetZoneImpl::is_component_recursive(const NetPoint* netpoint) const
+{
+ /* check direct components */
+ if (std::any_of(begin(vertices_), end(vertices_), [netpoint](const auto* elem) { return elem == netpoint; }))
+ return true;
+
+ /* check childrens */
+ return std::any_of(begin(children_), end(children_),
+ [netpoint](const auto* child) { return child->is_component_recursive(netpoint); });
+}
} // namespace routing
} // namespace kernel
} // namespace simgrid