X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/fa159d28bf7eb7b7876fbd85ea11a8d74cf489fc..a6ceacf3b05651e2ae5a40d47c96bdd9fc4d1416:/src/kernel/routing/NetZoneImpl.cpp diff --git a/src/kernel/routing/NetZoneImpl.cpp b/src/kernel/routing/NetZoneImpl.cpp index 3597560dab..11c3363828 100644 --- a/src/kernel/routing/NetZoneImpl.cpp +++ b/src/kernel/routing/NetZoneImpl.cpp @@ -1,4 +1,4 @@ -/* 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. */ @@ -7,10 +7,14 @@ #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" -#include "xbt/log.h" +#include "surf/surf.hpp" XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(surf_route); @@ -18,79 +22,191 @@ namespace simgrid { 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 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("host/model"); + std::string network_model_name = simgrid::config::get_value("network/model"); + std::string cpu_model_name = simgrid::config::get_value("cpu/model"); + std::string disk_model_name = simgrid::config::get_value("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::getInstance()->getNetpointByNameOrNull(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 tag, if any, and before the first of cluster|peer|zone|trace|trace_connect + * + * I'm not sure for and , 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(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& 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_); +} + +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 NetZoneImpl::get_all_hosts() const +{ + std::vector 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::createHost(const char* name, std::vector* speedPerPstate, int coreAmount, - std::map* 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& bandwidths) +{ + return network_model_->create_link(name, bandwidths)->get_iface(); +} + +s4u::Link* NetZoneImpl::create_wifi_link(const std::string& name, const std::vector& bandwidths) +{ + return network_model_->create_wifi_link(name, bandwidths)->get_iface(); +} + +s4u::Host* NetZoneImpl::create_host(const std::string& name, const std::vector& 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->setProperty(kv.first, kv.second); + return res; +} - simgrid::s4u::Host::onCreation(*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& /*link_list*/, bool /*symmetrical*/) +{ + xbt_die("NetZone '%s' does not accept new routes (wrong class).", get_cname()); } -void NetZoneImpl::addBypassRoute(NetPoint* src, NetPoint* dst, NetPoint* gw_src, NetPoint* gw_dst, - std::vector& link_list, bool symmetrical) +void NetZoneImpl::add_bypass_route(NetPoint* src, NetPoint* dst, NetPoint* gw_src, NetPoint* gw_dst, + std::vector& link_list, bool /* symmetrical */) { /* Argument validity checks */ if (gw_dst) { - XBT_DEBUG("Load bypassNetzoneRoute from %s@%s to %s@%s", src->getCname(), gw_src->getCname(), dst->getCname(), - gw_dst->getCname()); - xbt_assert(not link_list.empty(), "Bypass route between %s@%s and %s@%s cannot be empty.", src->getCname(), - gw_src->getCname(), dst->getCname(), gw_dst->getCname()); - xbt_assert(bypassRoutes_.find({src, dst}) == bypassRoutes_.end(), - "The bypass route between %s@%s and %s@%s already exists.", src->getCname(), gw_src->getCname(), - dst->getCname(), gw_dst->getCname()); + 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", src->getCname(), dst->getCname()); - xbt_assert(not link_list.empty(), "Bypass route between %s and %s cannot be empty.", src->getCname(), - dst->getCname()); - xbt_assert(bypassRoutes_.find({src, dst}) == bypassRoutes_.end(), - "The bypass route between %s and %s already exists.", src->getCname(), dst->getCname()); + 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(gw_src, gw_dst); + auto* newRoute = new BypassRoute(gw_src, gw_dst); for (auto const& link : link_list) newRoute->links.push_back(link); /* Store it */ - bypassRoutes_.insert({{src, 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 @@ -148,8 +264,8 @@ static void find_common_ancestors(NetPoint* src, NetPoint* 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; @@ -158,24 +274,24 @@ static void find_common_ancestors(NetPoint* src, NetPoint* dst, /* 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->getCname()); - xbt_assert(dst_as, "Host %s must be in a netzone", dst->getCname()); + 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 path_src; - NetZoneImpl* current = src->netzone(); + NetZoneImpl* current = src->get_englobing_zone(); while (current != nullptr) { path_src.push_back(current); - current = static_cast(current->getFather()); + current = current->get_parent(); } std::vector path_dst; - current = dst->netzone(); + current = dst->get_englobing_zone(); while (current != nullptr) { path_dst.push_back(current); - current = static_cast(current->getFather()); + current = current->get_parent(); } /* (3) find the common father. @@ -203,23 +319,23 @@ static void find_common_ancestors(NetPoint* src, NetPoint* dst, } /* PRECONDITION: this is the common ancestor of src and dst */ -bool NetZoneImpl::getBypassRoute(routing::NetPoint* src, routing::NetPoint* dst, - /* OUT */ std::vector& links, double* latency) +bool NetZoneImpl::get_bypass_route(NetPoint* src, NetPoint* dst, + /* OUT */ std::vector& 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) { + 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->getCname(), dst->getCname(), + XBT_DEBUG("Found a bypass route from '%s' to '%s' with %zu links", src->get_cname(), dst->get_cname(), bypassedRoute->links.size()); return true; } @@ -230,17 +346,17 @@ bool NetZoneImpl::getBypassRoute(routing::NetPoint* src, routing::NetPoint* dst, /* (1) find the path to the root routing component */ std::vector path_src; - NetZone* current = src->netzone(); + NetZoneImpl* current = src->get_englobing_zone(); while (current != nullptr) { - path_src.push_back(static_cast(current)); - current = current->father_; + path_src.push_back(current); + current = current->parent_; } std::vector path_dst; - current = dst->netzone(); + current = dst->get_englobing_zone(); while (current != nullptr) { - path_dst.push_back(static_cast(current)); - current = current->father_; + path_dst.push_back(current); + current = current->parent_; } /* (2) find the common father */ @@ -256,37 +372,31 @@ bool NetZoneImpl::getBypassRoute(routing::NetPoint* src, routing::NetPoint* dst, 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 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_}; - auto bpr = bypassRoutes_.find(key); - if (bpr != bypassRoutes_.end()) { + 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_}; - auto bpr = bypassRoutes_.find(key); - if (bpr != bypassRoutes_.end()) { + 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_}; - auto bpr = bypassRoutes_.find(key); - if (bpr != bypassRoutes_.end()) { + 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; } } } @@ -295,65 +405,120 @@ bool NetZoneImpl::getBypassRoute(routing::NetPoint* src, routing::NetPoint* dst, 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->getCname(), dst->getCname(), 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) { + 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->getCname(), dst->getCname()); + 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& links, double* latency) +void NetZoneImpl::get_global_route(NetPoint* src, NetPoint* dst, + /* OUT */ std::vector& links, double* latency) { RouteCreationArgs route; - XBT_DEBUG("Resolve route from '%s' to '%s'", src->getCname(), dst->getCname()); + 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->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 = std::move(links); - common_ancestor->getLocalRoute(src, dst, &route, latency); + 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 */ - 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->getCname(), dst->getCname()); + 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); + 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); } + +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(sealed_ == false, "Impossible to set parent to an already sealed NetZone(%s)", this->get_cname()); + parent_ = parent; + netpoint_->set_englobing_zone(parent_); } -} // namespace + +void NetZoneImpl::set_network_model(std::shared_ptr netmodel) +{ + xbt_assert(sealed_ == false, "Impossible to set network model to an already sealed NetZone(%s)", this->get_cname()); + network_model_ = std::move(netmodel); +} + +void NetZoneImpl::set_cpu_vm_model(std::shared_ptr cpu_model) +{ + xbt_assert(sealed_ == false, "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 cpu_model) +{ + xbt_assert(sealed_ == false, "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 disk_model) +{ + xbt_assert(sealed_ == false, "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 host_model) +{ + xbt_assert(sealed_ == false, "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