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Remove explicit conversion to std::string when it's not required.
[simgrid.git] / src / surf / sg_platf.cpp
index 48b2c01..d78115a 100644 (file)
@@ -1,29 +1,29 @@
-/* Copyright (c) 2006-2021. The SimGrid Team. All rights reserved.          */
+/* Copyright (c) 2006-2022. 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/Exception.hpp"
-#include "simgrid/kernel/routing/DijkstraZone.hpp"
-#include "simgrid/kernel/routing/DragonflyZone.hpp"
-#include "simgrid/kernel/routing/EmptyZone.hpp"
-#include "simgrid/kernel/routing/FatTreeZone.hpp"
-#include "simgrid/kernel/routing/FloydZone.hpp"
-#include "simgrid/kernel/routing/FullZone.hpp"
-#include "simgrid/kernel/routing/NetPoint.hpp"
-#include "simgrid/kernel/routing/NetZoneImpl.hpp"
-#include "simgrid/kernel/routing/TorusZone.hpp"
-#include "simgrid/kernel/routing/VivaldiZone.hpp"
-#include "simgrid/kernel/routing/WifiZone.hpp"
-#include "simgrid/s4u/Engine.hpp"
-#include "simgrid/s4u/NetZone.hpp"
-#include "src/include/simgrid/sg_config.hpp"
-#include "src/include/surf/surf.hpp"
+#include <simgrid/Exception.hpp>
+#include <simgrid/kernel/routing/DijkstraZone.hpp>
+#include <simgrid/kernel/routing/DragonflyZone.hpp>
+#include <simgrid/kernel/routing/EmptyZone.hpp>
+#include <simgrid/kernel/routing/FatTreeZone.hpp>
+#include <simgrid/kernel/routing/FloydZone.hpp>
+#include <simgrid/kernel/routing/FullZone.hpp>
+#include <simgrid/kernel/routing/NetPoint.hpp>
+#include <simgrid/kernel/routing/NetZoneImpl.hpp>
+#include <simgrid/kernel/routing/TorusZone.hpp>
+#include <simgrid/kernel/routing/VivaldiZone.hpp>
+#include <simgrid/kernel/routing/WifiZone.hpp>
+#include <simgrid/s4u/Engine.hpp>
+#include <simgrid/s4u/NetZone.hpp>
+
+#include "simgrid/sg_config.hpp"
 #include "src/kernel/EngineImpl.hpp"
 #include "src/kernel/resource/DiskImpl.hpp"
 #include "src/kernel/resource/profile/Profile.hpp"
-#include "src/simix/smx_private.hpp"
 #include "src/surf/HostImpl.hpp"
+#include "src/surf/xml/platf.hpp"
 #include "src/surf/xml/platf_private.hpp"
 
 #include <algorithm>
 
 XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(surf_parse);
 
-namespace simgrid {
-namespace kernel {
-namespace routing {
+namespace simgrid::kernel::routing {
 xbt::signal<void(ClusterCreationArgs const&)> on_cluster_creation;
-} // namespace routing
-} // namespace kernel
-} // namespace simgrid
+} // namespace simgrid::kernel::routing
 
 static simgrid::kernel::routing::ClusterZoneCreationArgs
     zone_cluster; /* temporary store data for irregular clusters, created with <zone routing="Cluster"> */
@@ -56,7 +52,6 @@ void sg_platf_init()
 void sg_platf_exit()
 {
   simgrid::kernel::routing::on_cluster_creation.disconnect_slots();
-  simgrid::s4u::Engine::on_platform_created.disconnect_slots();
 
   surf_parse_lex_destroy();
 }
@@ -114,16 +109,6 @@ simgrid::kernel::routing::NetPoint* sg_platf_new_router(const std::string& name,
   return netpoint;
 }
 
-static void sg_platf_set_link_properties(simgrid::s4u::Link* link,
-                                         const simgrid::kernel::routing::LinkCreationArgs* args)
-{
-  link->set_properties(args->properties)
-      ->set_state_profile(args->state_trace)
-      ->set_latency_profile(args->latency_trace)
-      ->set_bandwidth_profile(args->bandwidth_trace)
-      ->set_latency(args->latency);
-}
-
 void sg_platf_new_link(const simgrid::kernel::routing::LinkCreationArgs* args)
 {
   simgrid::s4u::Link* link;
@@ -133,7 +118,13 @@ void sg_platf_new_link(const simgrid::kernel::routing::LinkCreationArgs* args)
     link = current_routing->create_link(args->id, args->bandwidths);
     link->get_impl()->set_sharing_policy(args->policy, {});
   }
-  sg_platf_set_link_properties(link, args);
+
+  link->set_properties(args->properties)
+      ->set_state_profile(args->state_trace)
+      ->set_latency_profile(args->latency_trace)
+      ->set_bandwidth_profile(args->bandwidth_trace)
+      ->set_latency(args->latency);
+
   link->seal();
 }
 
@@ -158,7 +149,7 @@ sg_platf_cluster_create_host(const simgrid::kernel::routing::ClusterCreationArgs
              "(total = %zu). Check the 'radical' parameter in XML",
              cluster->id.c_str(), id, cluster->radicals.size());
 
-  std::string host_id = std::string(cluster->prefix) + std::to_string(cluster->radicals[id]) + cluster->suffix;
+  std::string host_id = cluster->prefix + std::to_string(cluster->radicals[id]) + cluster->suffix;
   XBT_DEBUG("Cluster: creating host=%s speed=%f", host_id.c_str(), cluster->speeds.front());
   const simgrid::s4u::Host* host = zone->create_host(host_id, cluster->speeds)
                                        ->set_core_count(cluster->core_amount)
@@ -179,7 +170,7 @@ sg_platf_cluster_create_loopback(const simgrid::kernel::routing::ClusterCreation
              "(total = %zu). Check the 'radical' parameter in XML",
              cluster->id.c_str(), id, cluster->radicals.size());
 
-  std::string link_id = std::string(cluster->id) + "_link_" + std::to_string(cluster->radicals[id]) + "_loopback";
+  std::string link_id = cluster->id + "_link_" + std::to_string(cluster->radicals[id]) + "_loopback";
   XBT_DEBUG("Cluster: creating loopback link=%s bw=%f", link_id.c_str(), cluster->loopback_bw);
 
   simgrid::s4u::Link* loopback = zone->create_link(link_id, cluster->loopback_bw)
@@ -195,7 +186,7 @@ static simgrid::s4u::Link* sg_platf_cluster_create_limiter(const simgrid::kernel
                                                            const std::vector<unsigned long>& /*coord*/,
                                                            unsigned long id)
 {
-  std::string link_id = std::string(cluster->id) + "_link_" + std::to_string(id) + "_limiter";
+  std::string link_id = cluster->id + "_link_" + std::to_string(id) + "_limiter";
   XBT_DEBUG("Cluster: creating limiter link=%s bw=%f", link_id.c_str(), cluster->limiter_link);
 
   simgrid::s4u::Link* limiter = zone->create_link(link_id, cluster->limiter_link)->seal();
@@ -223,27 +214,25 @@ static void sg_platf_new_cluster_hierarchical(const simgrid::kernel::routing::Cl
   }
 
   simgrid::s4u::NetZone const* parent = current_routing ? current_routing->get_iface() : nullptr;
-  simgrid::s4u::NetZone* zone;
   switch (cluster->topology) {
     case simgrid::kernel::routing::ClusterTopology::TORUS:
-      zone = simgrid::s4u::create_torus_zone(
-          cluster->id, parent, TorusZone::parse_topo_parameters(cluster->topo_parameters),
-          {set_host, set_loopback, set_limiter}, cluster->bw, cluster->lat, cluster->sharing_policy);
+      simgrid::s4u::create_torus_zone(cluster->id, parent, TorusZone::parse_topo_parameters(cluster->topo_parameters),
+                                      {set_host, set_loopback, set_limiter}, cluster->bw, cluster->lat,
+                                      cluster->sharing_policy);
       break;
     case simgrid::kernel::routing::ClusterTopology::DRAGONFLY:
-      zone = simgrid::s4u::create_dragonfly_zone(
+      simgrid::s4u::create_dragonfly_zone(
           cluster->id, parent, DragonflyZone::parse_topo_parameters(cluster->topo_parameters),
           {set_host, set_loopback, set_limiter}, cluster->bw, cluster->lat, cluster->sharing_policy);
       break;
     case simgrid::kernel::routing::ClusterTopology::FAT_TREE:
-      zone = simgrid::s4u::create_fatTree_zone(
+      simgrid::s4u::create_fatTree_zone(
           cluster->id, parent, FatTreeZone::parse_topo_parameters(cluster->topo_parameters),
           {set_host, set_loopback, set_limiter}, cluster->bw, cluster->lat, cluster->sharing_policy);
       break;
     default:
       THROW_IMPOSSIBLE;
   }
-  zone->seal();
 }
 
 /*************************************************************************************************/
@@ -251,18 +240,17 @@ static void sg_platf_new_cluster_hierarchical(const simgrid::kernel::routing::Cl
 static void sg_platf_new_cluster_flat(simgrid::kernel::routing::ClusterCreationArgs* cluster)
 {
   auto* zone                          = simgrid::s4u::create_star_zone(cluster->id);
-  simgrid::s4u::NetZone const* parent = current_routing ? current_routing->get_iface() : nullptr;
-  if (parent)
+  if (const auto* parent = current_routing ? current_routing->get_iface() : nullptr)
     zone->set_parent(parent);
 
   /* set properties */
-  for (auto const& elm : cluster->properties)
-    zone->set_property(elm.first, elm.second);
+  for (auto const& [key, value] : cluster->properties)
+    zone->set_property(key, value);
 
   /* Make the backbone */
   const simgrid::s4u::Link* backbone = nullptr;
   if ((cluster->bb_bw > 0) || (cluster->bb_lat > 0)) {
-    std::string bb_name = std::string(cluster->id) + "_backbone";
+    std::string bb_name = cluster->id + "_backbone";
     XBT_DEBUG("<link\tid=\"%s\" bw=\"%f\" lat=\"%f\"/> <!--backbone -->", bb_name.c_str(), cluster->bb_bw,
               cluster->bb_lat);
 
@@ -273,7 +261,7 @@ static void sg_platf_new_cluster_flat(simgrid::kernel::routing::ClusterCreationA
   }
 
   for (int const& i : cluster->radicals) {
-    std::string host_id = std::string(cluster->prefix) + std::to_string(i) + cluster->suffix;
+    std::string host_id = cluster->prefix + std::to_string(i) + cluster->suffix;
 
     XBT_DEBUG("<host\tid=\"%s\"\tspeed=\"%f\">", host_id.c_str(), cluster->speeds.front());
     const auto* host = zone->create_host(host_id, cluster->speeds)
@@ -283,7 +271,7 @@ static void sg_platf_new_cluster_flat(simgrid::kernel::routing::ClusterCreationA
 
     XBT_DEBUG("</host>");
 
-    std::string link_id = std::string(cluster->id) + "_link_" + std::to_string(i);
+    std::string link_id = cluster->id + "_link_" + std::to_string(i);
     XBT_DEBUG("<link\tid=\"%s\"\tbw=\"%f\"\tlat=\"%f\"/>", link_id.c_str(), cluster->bw, cluster->lat);
 
     // add a loopback link
@@ -303,7 +291,7 @@ static void sg_platf_new_cluster_flat(simgrid::kernel::routing::ClusterCreationA
     // add a limiter link (shared link to account for maximal bandwidth of the node)
     const simgrid::s4u::Link* limiter = nullptr;
     if (cluster->limiter_link > 0) {
-      std::string limiter_name = std::string(link_id) + "_limiter";
+      std::string limiter_name = link_id + "_limiter";
       XBT_DEBUG("<limiter\tid=\"%s\"\tbw=\"%f\"/>", limiter_name.c_str(), cluster->limiter_link);
 
       limiter = zone->create_link(limiter_name, cluster->limiter_link)->seal();
@@ -332,11 +320,10 @@ static void sg_platf_new_cluster_flat(simgrid::kernel::routing::ClusterCreationA
   XBT_DEBUG(" ");
   XBT_DEBUG("<router id=\"%s\"/>", cluster->router_id.c_str());
   if (cluster->router_id.empty())
-    cluster->router_id = std::string(cluster->prefix) + cluster->id + "_router" + cluster->suffix;
+    cluster->router_id = cluster->prefix + cluster->id + "_router" + cluster->suffix;
   auto* router = zone->create_router(cluster->router_id);
   zone->add_route(router, nullptr, nullptr, nullptr, {});
 
-  zone->seal();
   simgrid::kernel::routing::on_cluster_creation(*cluster);
 }
 
@@ -378,11 +365,12 @@ static void sg_platf_build_hostlink(simgrid::kernel::routing::StarZone* zone,
                                     const simgrid::kernel::routing::HostLinkCreationArgs* hostlink,
                                     const simgrid::s4u::Link* backbone)
 {
-  simgrid::kernel::routing::NetPoint* netpoint = simgrid::s4u::Host::by_name(hostlink->id)->get_netpoint();
+  const auto engine = simgrid::s4u::Engine::get_instance();
+  auto netpoint     = engine->host_by_name(hostlink->id)->get_netpoint();
   xbt_assert(netpoint, "Host '%s' not found!", hostlink->id.c_str());
 
-  const simgrid::s4u::Link* linkUp   = simgrid::s4u::Link::by_name_or_null(hostlink->link_up);
-  const simgrid::s4u::Link* linkDown = simgrid::s4u::Link::by_name_or_null(hostlink->link_down);
+  const auto linkUp   = engine->link_by_name_or_null(hostlink->link_up);
+  const auto linkDown = engine->link_by_name_or_null(hostlink->link_down);
 
   xbt_assert(linkUp, "Link '%s' not found!", hostlink->link_up.c_str());
   xbt_assert(linkDown, "Link '%s' not found!", hostlink->link_down.c_str());
@@ -453,13 +441,14 @@ void sg_platf_new_bypass_route(simgrid::kernel::routing::RouteCreationArgs* rout
 
 void sg_platf_new_actor(simgrid::kernel::routing::ActorCreationArgs* actor)
 {
+  const auto* engine = simgrid::s4u::Engine::get_instance();
   sg_host_t host = sg_host_by_name(actor->host);
   if (not host) {
     // The requested host does not exist. Do a nice message to the user
     std::string msg = std::string("Cannot create actor '") + actor->function + "': host '" + actor->host +
                       "' does not exist\nExisting hosts: '";
 
-    std::vector<simgrid::s4u::Host*> list = simgrid::s4u::Engine::get_instance()->get_all_hosts();
+    std::vector<simgrid::s4u::Host*> list = engine->get_all_hosts();
 
     for (auto const& some_host : list) {
       msg += some_host->get_name();
@@ -472,8 +461,7 @@ void sg_platf_new_actor(simgrid::kernel::routing::ActorCreationArgs* actor)
     }
     xbt_die("%s", msg.c_str());
   }
-  const simgrid::kernel::actor::ActorCodeFactory& factory =
-      simgrid::kernel::EngineImpl::get_instance()->get_function(actor->function);
+  const simgrid::kernel::actor::ActorCodeFactory& factory = engine->get_impl()->get_function(actor->function);
   xbt_assert(factory, "Error while creating an actor from the XML file: Function '%s' not registered", actor->function);
 
   double start_time = actor->start_time;
@@ -484,39 +472,26 @@ void sg_platf_new_actor(simgrid::kernel::routing::ActorCreationArgs* actor)
   simgrid::kernel::actor::ActorCode code = factory(std::move(actor->args));
 
   auto* arg = new simgrid::kernel::actor::ProcessArg(actor_name, code, nullptr, host, kill_time, actor->properties,
-                                                     auto_restart);
+                                                     auto_restart, /*daemon=*/false, /*restart_count=*/0);
 
   host->get_impl()->add_actor_at_boot(arg);
 
   if (start_time > simgrid::s4u::Engine::get_clock()) {
     arg = new simgrid::kernel::actor::ProcessArg(actor_name, code, nullptr, host, kill_time, actor->properties,
-                                                 auto_restart);
-
-    XBT_DEBUG("Process %s@%s will be started at time %f", arg->name.c_str(), arg->host->get_cname(), start_time);
-    simgrid::kernel::timer::Timer::set(start_time, [arg, auto_restart]() {
-      simgrid::kernel::actor::ActorImplPtr new_actor =
-          simgrid::kernel::actor::ActorImpl::create(arg->name.c_str(), arg->code, arg->data, arg->host, nullptr);
-      new_actor->set_properties(arg->properties);
-      if (arg->kill_time >= 0)
-        new_actor->set_kill_time(arg->kill_time);
-      if (auto_restart)
-        new_actor->set_auto_restart(auto_restart);
+                                                 auto_restart, /*daemon=*/false, /*restart_count=*/0);
+
+    XBT_DEBUG("Actor %s@%s will be started at time %f", arg->name.c_str(), arg->host->get_cname(), start_time);
+    simgrid::kernel::timer::Timer::set(start_time, [arg]() {
+      simgrid::kernel::actor::ActorImplPtr new_actor = simgrid::kernel::actor::ActorImpl::create(arg);
       delete arg;
     });
   } else { // start_time <= simgrid::s4u::Engine::get_clock()
-    XBT_DEBUG("Starting Process %s(%s) right now", arg->name.c_str(), host->get_cname());
+    XBT_DEBUG("Starting actor %s(%s) right now", arg->name.c_str(), host->get_cname());
 
     try {
-      simgrid::kernel::actor::ActorImplPtr new_actor = nullptr;
-      new_actor = simgrid::kernel::actor::ActorImpl::create(arg->name.c_str(), code, nullptr, host, nullptr);
-      new_actor->set_properties(arg->properties);
-      /* The actor creation will fail if the host is currently dead, but that's fine */
-      if (arg->kill_time >= 0)
-        new_actor->set_kill_time(arg->kill_time);
-      if (auto_restart)
-        new_actor->set_auto_restart(auto_restart);
+      simgrid::kernel::actor::ActorImplPtr new_actor = simgrid::kernel::actor::ActorImpl::create(arg);
     } catch (simgrid::HostFailureException const&) {
-      XBT_WARN("Deployment includes some initially turned off Hosts ... nevermind.");
+      XBT_WARN("Starting actor %s(%s) failed because its host is turned off.", arg->name.c_str(), host->get_cname());
     }
   }
 }
@@ -601,7 +576,6 @@ void sg_platf_new_zone_seal()
     zone_cluster.cabinets.clear();
     zone_cluster.backbone.reset();
   }
-  current_routing->seal();
   current_routing = current_routing->get_parent();
 }
 
@@ -612,15 +586,15 @@ void sg_platf_new_hostlink(const simgrid::kernel::routing::HostLinkCreationArgs*
   zone_cluster.host_links.emplace_back(*hostlink);
 }
 
-void sg_platf_new_trace(simgrid::kernel::routing::ProfileCreationArgs* args)
+void sg_platf_new_trace(const simgrid::kernel::routing::ProfileCreationArgs* args)
 {
   simgrid::kernel::profile::Profile* profile;
   if (not args->file.empty()) {
-    profile = simgrid::kernel::profile::Profile::from_file(args->file);
+    profile = simgrid::kernel::profile::ProfileBuilder::from_file(args->file);
   } else {
     xbt_assert(not args->pc_data.empty(), "Trace '%s' must have either a content, or point to a file on disk.",
                args->id.c_str());
-    profile = simgrid::kernel::profile::Profile::from_string(args->id, args->pc_data, args->periodicity);
+    profile = simgrid::kernel::profile::ProfileBuilder::from_string(args->id, args->pc_data, args->periodicity);
   }
-  traces_set_list.insert({args->id, profile});
+  traces_set_list.try_emplace(args->id, profile);
 }