-/* Copyright (c) 2006-2017. The SimGrid Team. All rights reserved. */
+/* Copyright (c) 2006-2020. 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. */
-#include "src/kernel/routing/NetZoneImpl.hpp"
+#include "simgrid/kernel/routing/NetZoneImpl.hpp"
+#include "simgrid/kernel/routing/NetPoint.hpp"
#include "simgrid/s4u/Engine.hpp"
#include "simgrid/s4u/Host.hpp"
-#include "src/kernel/routing/NetPoint.hpp"
#include "src/surf/cpu_interface.hpp"
#include "src/surf/network_interface.hpp"
-
-#include "xbt/log.h"
+#include "src/surf/xml/platf_private.hpp"
+#include "surf/surf.hpp"
XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(surf_route);
namespace kernel {
namespace routing {
-class BypassRoute {
-public:
- explicit BypassRoute(NetPoint* gwSrc, NetPoint* gwDst) : gw_src(gwSrc), gw_dst(gwDst) {}
- NetPoint* gw_src;
- NetPoint* gw_dst;
- std::vector<surf::LinkImpl*> links;
-};
-
-NetZoneImpl::NetZoneImpl(NetZone* father, std::string name) : NetZone(father, name)
+NetZoneImpl::NetZoneImpl(NetZoneImpl* father, const std::string& name, resource::NetworkModel* network_model)
+ : piface_(this), father_(father), name_(name), network_model_(network_model)
{
- xbt_assert(nullptr == simgrid::s4u::Engine::getInstance()->getNetpointByNameOrNull(name.c_str()),
- "Refusing to create a second NetZone called '%s'.", name.c_str());
+ xbt_assert(nullptr == s4u::Engine::get_instance()->netpoint_by_name_or_null(get_name()),
+ "Refusing to create a second NetZone called '%s'.", get_cname());
- netpoint_ = new NetPoint(name, NetPoint::Type::NetZone, static_cast<NetZoneImpl*>(father));
- XBT_DEBUG("NetZone '%s' created with the id '%u'", name.c_str(), netpoint_->id());
+ netpoint_ = new NetPoint(name_, NetPoint::Type::NetZone, father_);
+ XBT_DEBUG("NetZone '%s' created with the id '%u'", get_cname(), netpoint_->id());
}
NetZoneImpl::~NetZoneImpl()
{
- for (auto const& kv : bypassRoutes_)
+ for (auto const& nz : children_)
+ delete nz;
+
+ for (auto const& kv : bypass_routes_)
delete kv.second;
- simgrid::s4u::Engine::getInstance()->netpointUnregister(netpoint_);
+ s4u::Engine::get_instance()->netpoint_unregister(netpoint_);
}
-simgrid::s4u::Host* NetZoneImpl::createHost(const char* name, std::vector<double>* speedPerPstate, int coreAmount,
- std::map<std::string, std::string>* props)
+/** @brief Returns the list of the hosts found in this NetZone (not recursively)
+ *
+ * Only the hosts that are directly contained in this NetZone are retrieved,
+ * not the ones contained in sub-netzones.
+ */
+std::vector<s4u::Host*> NetZoneImpl::get_all_hosts() const
+{
+ std::vector<s4u::Host*> res;
+ for (auto const& card : get_vertices()) {
+ s4u::Host* host = s4u::Host::by_name_or_null(card->get_name());
+ if (host != nullptr)
+ res.push_back(host);
+ }
+ return res;
+}
+int NetZoneImpl::get_host_count() const
+{
+ int count = 0;
+ for (auto const& card : get_vertices()) {
+ const s4u::Host* host = s4u::Host::by_name_or_null(card->get_name());
+ if (host != nullptr)
+ count++;
+ }
+ return count;
+}
+
+s4u::Link* NetZoneImpl::create_link(const std::string& name, const std::vector<double>& bandwidths, double latency,
+ s4u::Link::SharingPolicy policy,
+ const std::unordered_map<std::string, std::string>* props)
+{
+ static double last_warned_latency = sg_surf_precision;
+ if (latency != 0.0 && latency < last_warned_latency) {
+ XBT_WARN("Latency for link %s is smaller than surf/precision (%g < %g)."
+ " For more accuracy, consider setting \"--cfg=surf/precision:%g\".",
+ name.c_str(), latency, sg_surf_precision, latency);
+ last_warned_latency = latency;
+ }
+
+ auto* l = surf_network_model->create_link(name, bandwidths, latency, policy);
+
+ if (props)
+ l->set_properties(*props);
+
+ return l->get_iface();
+}
+s4u::Host* NetZoneImpl::create_host(const std::string& name, const std::vector<double>& speed_per_pstate,
+ int coreAmount, const std::unordered_map<std::string, std::string>* props)
{
- simgrid::s4u::Host* res = new simgrid::s4u::Host(name);
+ auto* res = new s4u::Host(name);
if (hierarchy_ == RoutingMode::unset)
hierarchy_ = RoutingMode::base;
- res->pimpl_netpoint = new NetPoint(name, NetPoint::Type::Host, this);
+ res->set_netpoint(new NetPoint(name, NetPoint::Type::Host, this));
- surf_cpu_model_pm->createCpu(res, speedPerPstate, coreAmount);
+ surf_cpu_model_pm->create_cpu(res, speed_per_pstate, coreAmount);
if (props != nullptr)
- for (auto const& kv : *props)
- res->setProperty(kv.first, kv.second);
+ res->set_properties(*props);
- simgrid::s4u::Host::onCreation(*res); // notify the signal
+ s4u::Host::on_creation(*res); // notify the signal
return res;
}
-void NetZoneImpl::addBypassRoute(sg_platf_route_cbarg_t e_route)
+int NetZoneImpl::add_component(NetPoint* elm)
+{
+ vertices_.push_back(elm);
+ return vertices_.size() - 1; // The rank of the newly created object
+}
+
+void NetZoneImpl::add_route(NetPoint* /*src*/, NetPoint* /*dst*/, NetPoint* /*gw_src*/, NetPoint* /*gw_dst*/,
+ std::vector<resource::LinkImpl*>& /*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 */)
{
/* Argument validity checks */
- if (e_route->gw_dst) {
- XBT_DEBUG("Load bypassNetzoneRoute from %s@%s to %s@%s", e_route->src->cname(), e_route->gw_src->cname(),
- e_route->dst->cname(), e_route->gw_dst->cname());
- xbt_assert(not e_route->link_list->empty(), "Bypass route between %s@%s and %s@%s cannot be empty.",
- e_route->src->cname(), e_route->gw_src->cname(), e_route->dst->cname(), e_route->gw_dst->cname());
- xbt_assert(bypassRoutes_.find({e_route->src, e_route->dst}) == bypassRoutes_.end(),
- "The bypass route between %s@%s and %s@%s already exists.", e_route->src->cname(),
- e_route->gw_src->cname(), e_route->dst->cname(), e_route->gw_dst->cname());
+ 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(),
+ 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", e_route->src->cname(), e_route->dst->cname());
- xbt_assert(not e_route->link_list->empty(), "Bypass route between %s and %s cannot be empty.",
- e_route->src->cname(), e_route->dst->cname());
- xbt_assert(bypassRoutes_.find({e_route->src, e_route->dst}) == bypassRoutes_.end(),
- "The bypass route between %s and %s already exists.", e_route->src->cname(), e_route->dst->cname());
+ 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(),
+ 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 */
- kernel::routing::BypassRoute* newRoute = new kernel::routing::BypassRoute(e_route->gw_src, e_route->gw_dst);
- for (auto const& link : *e_route->link_list)
+ auto* newRoute = new BypassRoute(gw_src, gw_dst);
+ for (auto const& link : link_list)
newRoute->links.push_back(link);
/* Store it */
- bypassRoutes_.insert({{e_route->src, e_route->dst}, newRoute});
+ bypass_routes_.insert({{src, dst}, newRoute});
}
/** @brief Get the common ancestor and its first children in each line leading to src and dst
NetZoneImpl** dst_ancestor)
{
/* Deal with the easy base case */
- if (src->netzone() == dst->netzone()) {
- *common_ancestor = src->netzone();
+ if (src->get_englobing_zone() == dst->get_englobing_zone()) {
+ *common_ancestor = src->get_englobing_zone();
*src_ancestor = *common_ancestor;
*dst_ancestor = *common_ancestor;
return;
/* engage the full recursive search */
/* (1) find the path to root of src and dst*/
- NetZoneImpl* src_as = src->netzone();
- NetZoneImpl* dst_as = dst->netzone();
+ const NetZoneImpl* src_as = src->get_englobing_zone();
+ const NetZoneImpl* dst_as = dst->get_englobing_zone();
- xbt_assert(src_as, "Host %s must be in a netzone", src->cname());
- xbt_assert(dst_as, "Host %s must be in a netzone", dst->cname());
+ xbt_assert(src_as, "Host %s must be in a netzone", src->get_cname());
+ xbt_assert(dst_as, "Host %s must be in a netzone", dst->get_cname());
/* (2) find the path to the root routing component */
std::vector<NetZoneImpl*> path_src;
- NetZoneImpl* current = src->netzone();
+ NetZoneImpl* current = src->get_englobing_zone();
while (current != nullptr) {
path_src.push_back(current);
- current = static_cast<NetZoneImpl*>(current->getFather());
+ current = current->get_father();
}
std::vector<NetZoneImpl*> path_dst;
- current = dst->netzone();
+ current = dst->get_englobing_zone();
while (current != nullptr) {
path_dst.push_back(current);
- current = static_cast<NetZoneImpl*>(current->getFather());
+ current = current->get_father();
}
/* (3) find the common father.
}
/* PRECONDITION: this is the common ancestor of src and dst */
-bool NetZoneImpl::getBypassRoute(routing::NetPoint* src, routing::NetPoint* dst,
- /* OUT */ std::vector<surf::LinkImpl*>* links, double* latency)
+bool NetZoneImpl::get_bypass_route(NetPoint* src, NetPoint* dst,
+ /* OUT */ std::vector<resource::LinkImpl*>& links, double* latency)
{
// If never set a bypass route return nullptr without any further computations
- if (bypassRoutes_.empty())
+ if (bypass_routes_.empty())
return false;
/* Base case, no recursion is needed */
- if (dst->netzone() == this && src->netzone() == this) {
- if (bypassRoutes_.find({src, dst}) != bypassRoutes_.end()) {
- BypassRoute* bypassedRoute = bypassRoutes_.at({src, dst});
- for (surf::LinkImpl* const& link : bypassedRoute->links) {
- links->push_back(link);
+ 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->latency();
+ *latency += link->get_latency();
}
- XBT_DEBUG("Found a bypass route from '%s' to '%s' with %zu links", src->cname(), dst->cname(),
+ XBT_DEBUG("Found a bypass route from '%s' to '%s' with %zu links", src->get_cname(), dst->get_cname(),
bypassedRoute->links.size());
return true;
}
/* (1) find the path to the root routing component */
std::vector<NetZoneImpl*> path_src;
- NetZone* current = src->netzone();
+ NetZoneImpl* current = src->get_englobing_zone();
while (current != nullptr) {
- path_src.push_back(static_cast<NetZoneImpl*>(current));
+ path_src.push_back(current);
current = current->father_;
}
std::vector<NetZoneImpl*> path_dst;
- current = dst->netzone();
+ current = dst->get_englobing_zone();
while (current != nullptr) {
- path_dst.push_back(static_cast<NetZoneImpl*>(current));
+ path_dst.push_back(current);
current = current->father_;
}
int max_index = std::max(max_index_src, max_index_dst);
/* (3) Search for a bypass making the path up to the ancestor useless */
- BypassRoute* bypassedRoute = nullptr;
+ const BypassRoute* bypassedRoute = nullptr;
std::pair<kernel::routing::NetPoint*, kernel::routing::NetPoint*> key;
for (int max = 0; max <= max_index; max++) {
for (int i = 0; i < max; i++) {
if (i <= max_index_src && max <= max_index_dst) {
key = {path_src.at(i)->netpoint_, path_dst.at(max)->netpoint_};
- auto bpr = bypassRoutes_.find(key);
- if (bpr != bypassRoutes_.end()) {
+ auto bpr = bypass_routes_.find(key);
+ if (bpr != bypass_routes_.end()) {
bypassedRoute = bpr->second;
break;
}
}
if (max <= max_index_src && i <= max_index_dst) {
key = {path_src.at(max)->netpoint_, path_dst.at(i)->netpoint_};
- auto bpr = bypassRoutes_.find(key);
- if (bpr != bypassRoutes_.end()) {
+ auto bpr = bypass_routes_.find(key);
+ if (bpr != bypass_routes_.end()) {
bypassedRoute = bpr->second;
break;
}
if (max <= max_index_src && max <= max_index_dst) {
key = {path_src.at(max)->netpoint_, path_dst.at(max)->netpoint_};
- auto bpr = bypassRoutes_.find(key);
- if (bpr != bypassRoutes_.end()) {
+ auto bpr = bypass_routes_.find(key);
+ if (bpr != bypass_routes_.end()) {
bypassedRoute = bpr->second;
break;
}
if (bypassedRoute) {
XBT_DEBUG("Found a bypass route from '%s' to '%s' with %zu links. We may have to complete it with recursive "
"calls to getRoute",
- src->cname(), dst->cname(), bypassedRoute->links.size());
+ src->get_cname(), dst->get_cname(), bypassedRoute->links.size());
if (src != key.first)
- getGlobalRoute(src, bypassedRoute->gw_src, links, latency);
- for (surf::LinkImpl* const& link : bypassedRoute->links) {
- links->push_back(link);
+ get_global_route(src, bypassedRoute->gw_src, links, latency);
+ for (resource::LinkImpl* const& link : bypassedRoute->links) {
+ links.push_back(link);
if (latency)
- *latency += link->latency();
+ *latency += link->get_latency();
}
if (dst != key.second)
- getGlobalRoute(bypassedRoute->gw_dst, dst, links, latency);
+ get_global_route(bypassedRoute->gw_dst, dst, links, latency);
return true;
}
- XBT_DEBUG("No bypass route from '%s' to '%s'.", src->cname(), dst->cname());
+ XBT_DEBUG("No bypass route from '%s' to '%s'.", src->get_cname(), dst->get_cname());
return false;
}
-void NetZoneImpl::getGlobalRoute(routing::NetPoint* src, routing::NetPoint* dst,
- /* OUT */ std::vector<surf::LinkImpl*>* links, double* latency)
+void NetZoneImpl::get_global_route(NetPoint* src, NetPoint* dst,
+ /* OUT */ std::vector<resource::LinkImpl*>& links, double* latency)
{
- s_sg_platf_route_cbarg_t route;
- memset(&route, 0, sizeof(route));
+ RouteCreationArgs route;
- XBT_DEBUG("Resolve route from '%s' to '%s'", src->cname(), dst->cname());
+ XBT_DEBUG("Resolve route from '%s' to '%s'", src->get_cname(), dst->get_cname());
/* Find how src and dst are interconnected */
NetZoneImpl *common_ancestor;
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->getCname(),
- src_ancestor->getCname(), dst_ancestor->getCname());
+ 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());
/* Check whether a direct bypass is defined. If so, use it and bail out */
- if (common_ancestor->getBypassRoute(src, dst, links, latency))
+ if (common_ancestor->get_bypass_route(src, dst, links, latency))
return;
/* If src and dst are in the same netzone, life is good */
if (src_ancestor == dst_ancestor) { /* SURF_ROUTING_BASE */
- route.link_list = links;
- common_ancestor->getLocalRoute(src, dst, &route, latency);
+ route.link_list = std::move(links);
+ common_ancestor->get_local_route(src, dst, &route, latency);
+ links = std::move(route.link_list);
return;
}
/* Not in the same netzone, no bypass. We'll have to find our path between the netzones recursively */
- route.link_list = new std::vector<surf::LinkImpl*>();
-
- common_ancestor->getLocalRoute(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->cname(), dst->cname());
+ 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)
- getGlobalRoute(src, route.gw_src, links, latency);
- for (auto const& link : *route.link_list)
- links->push_back(link);
- delete route.link_list;
+ get_global_route(src, route.gw_src, links, latency);
+ for (auto const& link : route.link_list)
+ links.push_back(link);
/* If dest gateway is not our destination, we have to recursively find our way from this point */
if (route.gw_dst != dst)
- getGlobalRoute(route.gw_dst, dst, links, latency);
-}
-}
+ get_global_route(route.gw_dst, dst, links, latency);
}
-} // namespace
+} // namespace routing
+} // namespace kernel
+} // namespace simgrid