-/* Copyright (c) 2006-2018. The SimGrid Team. All rights reserved. */
+/* Copyright (c) 2006-2021. 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 "simgrid/kernel/routing/NetPoint.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/DiskImpl.hpp"
+#include "src/surf/HostImpl.hpp"
#include "src/surf/cpu_interface.hpp"
#include "src/surf/network_interface.hpp"
#include "src/surf/xml/platf_private.hpp"
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<resource::LinkImpl*> links;
-};
+/* Pick the right models for CPU, net and host, and call their model_init_preparse */
+static void surf_config_models_setup()
+{
+ std::string host_model_name = simgrid::config::get_value<std::string>("host/model");
+ std::string network_model_name = simgrid::config::get_value<std::string>("network/model");
+ std::string cpu_model_name = simgrid::config::get_value<std::string>("cpu/model");
+ std::string disk_model_name = simgrid::config::get_value<std::string>("disk/model");
+
+ /* The compound host model is needed when using non-default net/cpu models */
+ if ((not simgrid::config::is_default("network/model") || not simgrid::config::is_default("cpu/model")) &&
+ simgrid::config::is_default("host/model")) {
+ host_model_name = "compound";
+ simgrid::config::set_value("host/model", host_model_name);
+ }
+
+ XBT_DEBUG("host model: %s", host_model_name.c_str());
+ if (host_model_name == "compound") {
+ xbt_assert(not cpu_model_name.empty(), "Set a cpu model to use with the 'compound' host model");
+ xbt_assert(not network_model_name.empty(), "Set a network model to use with the 'compound' host model");
-NetZoneImpl::NetZoneImpl(NetZone* father, std::string name) : NetZone(father, name)
+ int cpu_id = find_model_description(surf_cpu_model_description, cpu_model_name);
+ surf_cpu_model_description[cpu_id].model_init_preparse();
+
+ int network_id = find_model_description(surf_network_model_description, network_model_name);
+ surf_network_model_description[network_id].model_init_preparse();
+ }
+
+ XBT_DEBUG("Call host_model_init");
+ int host_id = find_model_description(surf_host_model_description, host_model_name);
+ surf_host_model_description[host_id].model_init_preparse();
+
+ XBT_DEBUG("Call vm_model_init");
+ /* ideally we should get back the pointer to CpuModel from model_init_preparse(), but this
+ * requires changing the declaration of surf_cpu_model_description.
+ * To be reviewed in the future */
+ surf_vm_model_init_HL13(
+ simgrid::s4u::Engine::get_instance()->get_netzone_root()->get_impl()->get_cpu_pm_model().get());
+
+ XBT_DEBUG("Call disk_model_init");
+ int disk_id = find_model_description(surf_disk_model_description, disk_model_name);
+ surf_disk_model_description[disk_id].model_init_preparse();
+}
+
+NetZoneImpl::NetZoneImpl(const std::string& name) : piface_(this), name_(name)
{
- xbt_assert(nullptr == simgrid::s4u::Engine::get_instance()->netpoint_by_name_or_null(name.c_str()),
- "Refusing to create a second NetZone called '%s'.", name.c_str());
+ /* 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_);
+
+ static bool surf_parse_models_setup_already_called = false;
+ if (not surf_parse_models_setup_already_called) {
+ simgrid::s4u::Engine::on_platform_creation();
+
+ /* Initialize the surf models. That must be done after we got all config, and before we need the models.
+ * That is, after the last <config> tag, if any, and before the first of cluster|peer|zone|trace|trace_connect
+ *
+ * I'm not sure for <trace> and <trace_connect>, there may be a bug here
+ * (FIXME: check it out by creating a file beginning with one of these tags)
+ * but cluster and peer come down to zone creations, so putting this verification here is correct.
+ */
+ surf_parse_models_setup_already_called = true;
+ surf_config_models_setup();
+ }
- 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());
+ 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);
+ XBT_DEBUG("NetZone '%s' created with the id '%u'", get_cname(), netpoint_->id());
}
NetZoneImpl::~NetZoneImpl()
{
+ for (auto const& nz : children_)
+ delete nz;
+
for (auto const& kv : bypass_routes_)
delete kv.second;
- simgrid::s4u::Engine::get_instance()->netpoint_unregister(netpoint_);
+ s4u::Engine::get_instance()->netpoint_unregister(netpoint_);
+}
+
+void NetZoneImpl::add_child(NetZoneImpl* new_zone)
+{
+ xbt_assert(not sealed_, "Cannot add a new child to the sealed zone %s", get_cname());
+ children_.push_back(new_zone);
+}
+
+/** @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;
}
-simgrid::s4u::Host* NetZoneImpl::create_host(const char* name, std::vector<double>* speedPerPstate, int coreAmount,
- std::map<std::string, std::string>* props)
+s4u::Disk* NetZoneImpl::create_disk(const std::string& name, double read_bandwidth, double write_bandwidth)
{
- simgrid::s4u::Host* res = new simgrid::s4u::Host(name);
+ auto* l = disk_model_->create_disk(name, read_bandwidth, write_bandwidth);
+ return l->get_iface();
+}
+
+s4u::Link* NetZoneImpl::create_link(const std::string& name, const std::vector<double>& bandwidths)
+{
+ return network_model_->create_link(name, bandwidths)->get_iface();
+}
+
+s4u::Link* NetZoneImpl::create_wifi_link(const std::string& name, const std::vector<double>& bandwidths)
+{
+ return network_model_->create_wifi_link(name, bandwidths)->get_iface();
+}
+
+s4u::Host* NetZoneImpl::create_host(const std::string& name, const std::vector<double>& speed_per_pstate)
+{
if (hierarchy_ == RoutingMode::unset)
hierarchy_ = RoutingMode::base;
- res->pimpl_netpoint = new NetPoint(name, NetPoint::Type::Host, this);
+ auto* res = (new surf::HostImpl(name))->get_iface();
+ res->set_netpoint((new NetPoint(name, NetPoint::Type::Host))->set_englobing_zone(this));
- surf_cpu_model_pm->createCpu(res, speedPerPstate, coreAmount);
+ cpu_model_pm_->create_cpu(res, speed_per_pstate);
- if (props != nullptr)
- for (auto const& kv : *props)
- res->set_property(kv.first, kv.second);
+ return res;
+}
- simgrid::s4u::Host::on_creation(*res); // notify the signal
+int NetZoneImpl::add_component(NetPoint* elm)
+{
+ vertices_.push_back(elm);
+ return vertices_.size() - 1; // The rank of the newly created object
+}
- return res;
+void NetZoneImpl::add_route(NetPoint* /*src*/, NetPoint* /*dst*/, NetPoint* /*gw_src*/, NetPoint* /*gw_dst*/,
+ const 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)
+ std::vector<resource::LinkImpl*>& link_list, bool /* symmetrical */)
{
/* Argument validity checks */
if (gw_dst) {
}
/* Build a copy that will be stored in the dict */
- kernel::routing::BypassRoute* newRoute = new kernel::routing::BypassRoute(gw_src, gw_dst);
+ auto* newRoute = new BypassRoute(gw_src, gw_dst);
for (auto const& link : link_list)
newRoute->links.push_back(link);
/* engage the full recursive search */
/* (1) find the path to root of src and dst*/
- NetZoneImpl* src_as = src->get_englobing_zone();
- NetZoneImpl* dst_as = dst->get_englobing_zone();
+ 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->get_cname());
xbt_assert(dst_as, "Host %s must be in a netzone", dst->get_cname());
NetZoneImpl* current = src->get_englobing_zone();
while (current != nullptr) {
path_src.push_back(current);
- current = static_cast<NetZoneImpl*>(current->getFather());
+ current = current->get_parent();
}
std::vector<NetZoneImpl*> path_dst;
current = dst->get_englobing_zone();
while (current != nullptr) {
path_dst.push_back(current);
- current = static_cast<NetZoneImpl*>(current->getFather());
+ current = current->get_parent();
}
/* (3) find the common father.
}
/* PRECONDITION: this is the common ancestor of src and dst */
-bool NetZoneImpl::get_bypass_route(routing::NetPoint* src, routing::NetPoint* dst,
+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
/* Base case, no recursion is needed */
if (dst->get_englobing_zone() == this && src->get_englobing_zone() == this) {
if (bypass_routes_.find({src, dst}) != bypass_routes_.end()) {
- BypassRoute* bypassedRoute = bypass_routes_.at({src, dst});
+ 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->get_cname(), dst->get_cname(),
bypassedRoute->links.size());
/* (1) find the path to the root routing component */
std::vector<NetZoneImpl*> path_src;
- NetZone* current = src->get_englobing_zone();
+ NetZoneImpl* current = src->get_englobing_zone();
while (current != nullptr) {
- path_src.push_back(static_cast<NetZoneImpl*>(current));
- current = current->father_;
+ path_src.push_back(current);
+ current = current->parent_;
}
std::vector<NetZoneImpl*> path_dst;
current = dst->get_englobing_zone();
while (current != nullptr) {
- path_dst.push_back(static_cast<NetZoneImpl*>(current));
- current = current->father_;
+ path_dst.push_back(current);
+ current = current->parent_;
}
/* (2) find the common 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++) {
+ for (int max = 0; max <= max_index && not bypassedRoute; max++) {
+ for (int i = 0; i < max && not bypassedRoute; i++) {
if (i <= max_index_src && max <= max_index_dst) {
- key = {path_src.at(i)->netpoint_, path_dst.at(max)->netpoint_};
+ key = {path_src.at(i)->netpoint_, path_dst.at(max)->netpoint_};
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_};
+ if (not bypassedRoute && max <= max_index_src && i <= max_index_dst) {
+ key = {path_src.at(max)->netpoint_, path_dst.at(i)->netpoint_};
auto bpr = bypass_routes_.find(key);
if (bpr != bypass_routes_.end()) {
bypassedRoute = bpr->second;
- break;
}
}
}
- if (bypassedRoute)
- break;
-
- if (max <= max_index_src && max <= max_index_dst) {
- key = {path_src.at(max)->netpoint_, path_dst.at(max)->netpoint_};
+ if (not bypassedRoute && max <= max_index_src && max <= max_index_dst) {
+ key = {path_src.at(max)->netpoint_, path_dst.at(max)->netpoint_};
auto bpr = bypass_routes_.find(key);
if (bpr != bypass_routes_.end()) {
bypassedRoute = bpr->second;
- break;
}
}
}
for (resource::LinkImpl* const& link : bypassedRoute->links) {
links.push_back(link);
if (latency)
- *latency += link->latency();
+ *latency += link->get_latency();
}
if (dst != key.second)
get_global_route(bypassedRoute->gw_dst, dst, links, latency);
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;
+ 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->get_cname(),
src_ancestor->get_cname(), dst_ancestor->get_cname());
/* 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\"",
+ 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 (route.gw_dst != dst)
get_global_route(route.gw_dst, dst, links, latency);
}
+
+void NetZoneImpl::seal()
+{
+ /* already sealed netzone */
+ if (sealed_)
+ return;
+ do_seal(); // derived class' specific sealing procedure
+
+ /* seals sub-netzones and hosts */
+ for (auto* host : get_all_hosts()) {
+ host->seal();
+ }
+ for (auto* sub_net : *get_children()) {
+ sub_net->seal();
+ }
+ sealed_ = true;
+}
+
+void NetZoneImpl::set_parent(NetZoneImpl* parent)
+{
+ xbt_assert(not sealed_, "Impossible to set parent to an already sealed NetZone(%s)", this->get_cname());
+ parent_ = parent;
+ netpoint_->set_englobing_zone(parent_);
}
+
+void NetZoneImpl::set_network_model(std::shared_ptr<resource::NetworkModel> netmodel)
+{
+ xbt_assert(not sealed_, "Impossible to set network model to an already sealed NetZone(%s)", this->get_cname());
+ network_model_ = std::move(netmodel);
}
-} // namespace
+
+void NetZoneImpl::set_cpu_vm_model(std::shared_ptr<resource::CpuModel> cpu_model)
+{
+ xbt_assert(not sealed_, "Impossible to set CPU model to an already sealed NetZone(%s)", this->get_cname());
+ cpu_model_vm_ = std::move(cpu_model);
+}
+
+void NetZoneImpl::set_cpu_pm_model(std::shared_ptr<resource::CpuModel> cpu_model)
+{
+ xbt_assert(not sealed_, "Impossible to set CPU model to an already sealed NetZone(%s)", this->get_cname());
+ cpu_model_pm_ = std::move(cpu_model);
+}
+
+void NetZoneImpl::set_disk_model(std::shared_ptr<resource::DiskModel> disk_model)
+{
+ xbt_assert(not sealed_, "Impossible to set disk model to an already sealed NetZone(%s)", this->get_cname());
+ disk_model_ = std::move(disk_model);
+}
+
+void NetZoneImpl::set_host_model(std::shared_ptr<surf::HostModel> host_model)
+{
+ xbt_assert(not sealed_, "Impossible to set host model to an already sealed NetZone(%s)", this->get_cname());
+ host_model_ = std::move(host_model);
+}
+
+} // namespace routing
+} // namespace kernel
+} // namespace simgrid
