1 /* Copyright (c) 2006-2020. The SimGrid Team. All rights reserved. */
3 /* This program is free software; you can redistribute it and/or modify it
4 * under the terms of the license (GNU LGPL) which comes with this package. */
6 #include "simgrid/Exception.hpp"
7 #include "simgrid/kernel/routing/ClusterZone.hpp"
8 #include "simgrid/kernel/routing/DijkstraZone.hpp"
9 #include "simgrid/kernel/routing/DragonflyZone.hpp"
10 #include "simgrid/kernel/routing/EmptyZone.hpp"
11 #include "simgrid/kernel/routing/FatTreeZone.hpp"
12 #include "simgrid/kernel/routing/FloydZone.hpp"
13 #include "simgrid/kernel/routing/FullZone.hpp"
14 #include "simgrid/kernel/routing/NetPoint.hpp"
15 #include "simgrid/kernel/routing/NetZoneImpl.hpp"
16 #include "simgrid/kernel/routing/TorusZone.hpp"
17 #include "simgrid/kernel/routing/VivaldiZone.hpp"
18 #include "simgrid/s4u/Engine.hpp"
19 #include "src/include/simgrid/sg_config.hpp"
20 #include "src/include/surf/surf.hpp"
21 #include "src/kernel/EngineImpl.hpp"
22 #include "src/kernel/resource/DiskImpl.hpp"
23 #include "src/kernel/resource/profile/Profile.hpp"
24 #include "src/simix/smx_private.hpp"
25 #include "src/surf/HostImpl.hpp"
26 #include "src/surf/xml/platf_private.hpp"
30 XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(surf_parse);
32 XBT_PRIVATE std::map<std::string, simgrid::kernel::resource::StorageImpl*> mount_list;
33 XBT_PRIVATE std::vector<std::string> known_storages;
38 xbt::signal<void(ClusterCreationArgs const&)> on_cluster_creation;
39 } // namespace routing
41 } // namespace simgrid
43 static int surf_parse_models_setup_already_called = 0;
44 std::map<std::string, simgrid::kernel::resource::StorageType*> storage_types;
46 /** The current AS in the parsing */
47 static simgrid::kernel::routing::NetZoneImpl* current_routing = nullptr;
48 static simgrid::kernel::routing::NetZoneImpl* routing_get_current()
50 return current_routing;
53 /** Module management function: creates all internal data structures */
56 simgrid::s4u::Engine::on_platform_created.connect(check_disk_attachment);
59 /** Module management function: frees all internal data structures */
60 void sg_platf_exit() {
61 simgrid::kernel::routing::on_cluster_creation.disconnect_slots();
62 simgrid::s4u::Engine::on_platform_created.disconnect_slots();
64 /* make sure that we will reinit the models while loading the platf once reinited */
65 surf_parse_models_setup_already_called = 0;
66 surf_parse_lex_destroy();
69 /** @brief Add a host to the current AS */
70 void sg_platf_new_host(const simgrid::kernel::routing::HostCreationArgs* args)
72 std::map<std::string, std::string> props;
73 if (args->properties) {
74 for (auto const& elm : *args->properties)
75 props.insert({elm.first, elm.second});
76 delete args->properties;
79 simgrid::s4u::Host* host =
80 routing_get_current()->create_host(args->id, args->speed_per_pstate, args->core_amount, &props);
82 host->pimpl_->set_storages(mount_list);
85 host->pimpl_->set_disks(args->disks, host);
87 /* Change from the defaults */
88 if (args->state_trace)
89 host->set_state_profile(args->state_trace);
90 if (args->speed_trace)
91 host->set_speed_profile(args->speed_trace);
92 if (args->pstate != 0)
93 host->set_pstate(args->pstate);
94 if (not args->coord.empty())
95 new simgrid::kernel::routing::vivaldi::Coords(host->get_netpoint(), args->coord);
98 /** @brief Add a "router" to the network element list */
99 simgrid::kernel::routing::NetPoint* sg_platf_new_router(const std::string& name, const char* coords)
101 if (current_routing->hierarchy_ == simgrid::kernel::routing::NetZoneImpl::RoutingMode::unset)
102 current_routing->hierarchy_ = simgrid::kernel::routing::NetZoneImpl::RoutingMode::base;
103 xbt_assert(nullptr == simgrid::s4u::Engine::get_instance()->netpoint_by_name_or_null(name),
104 "Refusing to create a router named '%s': this name already describes a node.", name.c_str());
106 simgrid::kernel::routing::NetPoint* netpoint =
107 new simgrid::kernel::routing::NetPoint(name, simgrid::kernel::routing::NetPoint::Type::Router, current_routing);
108 XBT_DEBUG("Router '%s' has the id %u", netpoint->get_cname(), netpoint->id());
110 if (coords && strcmp(coords, ""))
111 new simgrid::kernel::routing::vivaldi::Coords(netpoint, coords);
117 static void sg_platf_new_link(const simgrid::kernel::routing::LinkCreationArgs* link, const std::string& link_name)
119 static double last_warned_latency = sg_surf_precision;
120 if (link->latency != 0.0 && link->latency < last_warned_latency) {
121 XBT_WARN("Latency for link %s is smaller than surf/precision (%g < %g)."
122 " For more accuracy, consider setting \"--cfg=surf/precision:%g\".",
123 link_name.c_str(), link->latency, sg_surf_precision, link->latency);
124 last_warned_latency = link->latency;
126 simgrid::kernel::resource::LinkImpl* l =
127 surf_network_model->create_link(link_name, link->bandwidths, link->latency, link->policy);
129 if (link->properties) {
130 l->set_properties(*link->properties);
133 if (link->latency_trace)
134 l->set_latency_profile(link->latency_trace);
135 if (link->bandwidth_trace)
136 l->set_bandwidth_profile(link->bandwidth_trace);
137 if (link->state_trace)
138 l->set_state_profile(link->state_trace);
141 void sg_platf_new_link(const simgrid::kernel::routing::LinkCreationArgs* link)
143 if (link->policy == simgrid::s4u::Link::SharingPolicy::SPLITDUPLEX) {
144 sg_platf_new_link(link, link->id + "_UP");
145 sg_platf_new_link(link, link->id + "_DOWN");
147 sg_platf_new_link(link, link->id);
149 delete link->properties;
152 void sg_platf_new_cluster(simgrid::kernel::routing::ClusterCreationArgs* cluster)
154 using simgrid::kernel::routing::ClusterZone;
155 using simgrid::kernel::routing::DragonflyZone;
156 using simgrid::kernel::routing::FatTreeZone;
157 using simgrid::kernel::routing::TorusZone;
161 // What an inventive way of initializing the AS that I have as ancestor :-(
162 simgrid::kernel::routing::ZoneCreationArgs zone;
163 zone.id = cluster->id;
164 switch (cluster->topology) {
165 case simgrid::kernel::routing::ClusterTopology::TORUS:
166 zone.routing = A_surfxml_AS_routing_ClusterTorus;
168 case simgrid::kernel::routing::ClusterTopology::DRAGONFLY:
169 zone.routing = A_surfxml_AS_routing_ClusterDragonfly;
171 case simgrid::kernel::routing::ClusterTopology::FAT_TREE:
172 zone.routing = A_surfxml_AS_routing_ClusterFatTree;
175 zone.routing = A_surfxml_AS_routing_Cluster;
178 sg_platf_new_Zone_begin(&zone);
179 simgrid::kernel::routing::ClusterZone* current_as = static_cast<ClusterZone*>(routing_get_current());
180 current_as->parse_specific_arguments(cluster);
181 if (cluster->properties != nullptr)
182 for (auto const& elm : *cluster->properties)
183 current_as->get_iface()->set_property(elm.first, elm.second);
185 if(cluster->loopback_bw > 0 || cluster->loopback_lat > 0){
186 current_as->num_links_per_node_++;
187 current_as->has_loopback_ = true;
190 if(cluster->limiter_link > 0){
191 current_as->num_links_per_node_++;
192 current_as->has_limiter_ = true;
195 for (int const& i : *cluster->radicals) {
196 std::string host_id = std::string(cluster->prefix) + std::to_string(i) + cluster->suffix;
197 std::string link_id = std::string(cluster->id) + "_link_" + std::to_string(i);
199 XBT_DEBUG("<host\tid=\"%s\"\tpower=\"%f\">", host_id.c_str(), cluster->speeds.front());
201 simgrid::kernel::routing::HostCreationArgs host;
203 if ((cluster->properties != nullptr) && (not cluster->properties->empty())) {
204 host.properties = new std::unordered_map<std::string, std::string>();
206 for (auto const& elm : *cluster->properties)
207 host.properties->insert({elm.first, elm.second});
210 host.speed_per_pstate = cluster->speeds;
212 host.core_amount = cluster->core_amount;
214 sg_platf_new_host(&host);
215 XBT_DEBUG("</host>");
217 XBT_DEBUG("<link\tid=\"%s\"\tbw=\"%f\"\tlat=\"%f\"/>", link_id.c_str(), cluster->bw, cluster->lat);
219 // All links are saved in a matrix;
220 // every row describes a single node; every node may have multiple links.
221 // the first column may store a link from x to x if p_has_loopback is set
222 // the second column may store a limiter link if p_has_limiter is set
223 // other columns are to store one or more link for the node
225 //add a loopback link
226 const simgrid::s4u::Link* linkUp = nullptr;
227 const simgrid::s4u::Link* linkDown = nullptr;
228 if(cluster->loopback_bw > 0 || cluster->loopback_lat > 0){
229 std::string tmp_link = link_id + "_loopback";
230 XBT_DEBUG("<loopback\tid=\"%s\"\tbw=\"%f\"/>", tmp_link.c_str(), cluster->loopback_bw);
232 simgrid::kernel::routing::LinkCreationArgs link;
234 link.bandwidths.push_back(cluster->loopback_bw);
235 link.latency = cluster->loopback_lat;
236 link.policy = simgrid::s4u::Link::SharingPolicy::FATPIPE;
237 sg_platf_new_link(&link);
238 linkUp = simgrid::s4u::Link::by_name_or_null(tmp_link);
239 linkDown = simgrid::s4u::Link::by_name_or_null(tmp_link);
241 ClusterZone* as_cluster = current_as;
242 as_cluster->private_links_.insert({as_cluster->node_pos(rankId), {linkUp->get_impl(), linkDown->get_impl()}});
245 //add a limiter link (shared link to account for maximal bandwidth of the node)
248 if(cluster->limiter_link > 0){
249 std::string tmp_link = std::string(link_id) + "_limiter";
250 XBT_DEBUG("<limiter\tid=\"%s\"\tbw=\"%f\"/>", tmp_link.c_str(), cluster->limiter_link);
252 simgrid::kernel::routing::LinkCreationArgs link;
254 link.bandwidths.push_back(cluster->limiter_link);
256 link.policy = simgrid::s4u::Link::SharingPolicy::SHARED;
257 sg_platf_new_link(&link);
258 linkDown = simgrid::s4u::Link::by_name_or_null(tmp_link);
260 current_as->private_links_.insert(
261 {current_as->node_pos_with_loopback(rankId), {linkUp->get_impl(), linkDown->get_impl()}});
264 //call the cluster function that adds the others links
265 if (cluster->topology == simgrid::kernel::routing::ClusterTopology::FAT_TREE) {
266 static_cast<FatTreeZone*>(current_as)->add_processing_node(i);
268 current_as->create_links_for_node(cluster, i, rankId, current_as->node_pos_with_loopback_limiter(rankId));
272 delete cluster->properties;
276 XBT_DEBUG("<router id=\"%s\"/>", cluster->router_id.c_str());
277 if (cluster->router_id.empty()) {
278 std::string newid = std::string(cluster->prefix) + cluster->id + "_router" + cluster->suffix;
279 current_as->router_ = sg_platf_new_router(newid, NULL);
281 current_as->router_ = sg_platf_new_router(cluster->router_id, NULL);
285 if ((cluster->bb_bw > 0) || (cluster->bb_lat > 0)) {
286 simgrid::kernel::routing::LinkCreationArgs link;
287 link.id = std::string(cluster->id)+ "_backbone";
288 link.bandwidths.push_back(cluster->bb_bw);
289 link.latency = cluster->bb_lat;
290 link.policy = cluster->bb_sharing_policy;
292 XBT_DEBUG("<link\tid=\"%s\" bw=\"%f\" lat=\"%f\"/>", link.id.c_str(), cluster->bb_bw, cluster->bb_lat);
293 sg_platf_new_link(&link);
295 routing_cluster_add_backbone(simgrid::s4u::Link::by_name(link.id)->get_impl());
299 sg_platf_new_Zone_seal();
301 simgrid::kernel::routing::on_cluster_creation(*cluster);
302 delete cluster->radicals;
305 void routing_cluster_add_backbone(simgrid::kernel::resource::LinkImpl* bb)
307 simgrid::kernel::routing::ClusterZone* cluster =
308 dynamic_cast<simgrid::kernel::routing::ClusterZone*>(current_routing);
310 xbt_assert(cluster, "Only hosts from Cluster can get a backbone.");
311 xbt_assert(nullptr == cluster->backbone_, "Cluster %s already has a backbone link!", cluster->get_cname());
313 cluster->backbone_ = bb;
314 XBT_DEBUG("Add a backbone to AS '%s'", current_routing->get_cname());
317 void sg_platf_new_cabinet(const simgrid::kernel::routing::CabinetCreationArgs* cabinet)
319 for (int const& radical : *cabinet->radicals) {
320 std::string hostname = cabinet->prefix + std::to_string(radical) + cabinet->suffix;
321 simgrid::kernel::routing::HostCreationArgs host;
323 host.core_amount = 1;
325 host.speed_per_pstate.push_back(cabinet->speed);
326 sg_platf_new_host(&host);
328 simgrid::kernel::routing::LinkCreationArgs link;
329 link.policy = simgrid::s4u::Link::SharingPolicy::SPLITDUPLEX;
330 link.latency = cabinet->lat;
331 link.bandwidths.push_back(cabinet->bw);
332 link.id = "link_" + hostname;
333 sg_platf_new_link(&link);
335 simgrid::kernel::routing::HostLinkCreationArgs host_link;
336 host_link.id = hostname;
337 host_link.link_up = std::string("link_") + hostname + "_UP";
338 host_link.link_down = std::string("link_") + hostname + "_DOWN";
339 sg_platf_new_hostlink(&host_link);
341 delete cabinet->radicals;
344 simgrid::kernel::resource::DiskImpl* sg_platf_new_disk(const simgrid::kernel::routing::DiskCreationArgs* disk)
346 simgrid::kernel::resource::DiskImpl* d = surf_disk_model->createDisk(disk->id, disk->read_bw, disk->write_bw);
347 if (disk->properties) {
348 d->set_properties(*disk->properties);
349 delete disk->properties;
351 simgrid::s4u::Disk::on_creation(*d->get_iface());
355 void sg_platf_new_storage(simgrid::kernel::routing::StorageCreationArgs* storage)
357 xbt_assert(std::find(known_storages.begin(), known_storages.end(), storage->id) == known_storages.end(),
358 "Refusing to add a second storage named \"%s\"", storage->id.c_str());
360 const simgrid::kernel::resource::StorageType* stype;
361 auto st = storage_types.find(storage->type_id);
362 if (st != storage_types.end()) {
365 xbt_die("No storage type '%s'", storage->type_id.c_str());
368 XBT_DEBUG("ROUTING Create a storage name '%s' with type_id '%s' and content '%s'", storage->id.c_str(),
369 storage->type_id.c_str(), storage->content.c_str());
371 known_storages.push_back(storage->id);
373 // if storage content is not specified use the content of storage_type if any
374 if (storage->content.empty() && not stype->content.empty()) {
375 storage->content = stype->content;
376 XBT_DEBUG("For disk '%s' content is empty, inherit the content (of type %s)", storage->id.c_str(),
380 XBT_DEBUG("SURF storage create resource\n\t\tid '%s'\n\t\ttype '%s' "
381 "\n\t\tmodel '%s' \n\t\tcontent '%s' "
382 "\n\t\tproperties '%p''\n",
383 storage->id.c_str(), stype->model.c_str(), stype->id.c_str(), storage->content.c_str(),
384 storage->properties);
386 auto s = surf_storage_model->createStorage(storage->filename, storage->lineno, storage->id, stype->id,
387 storage->content, storage->attach);
389 if (storage->properties) {
390 s->set_properties(*storage->properties);
391 delete storage->properties;
395 void sg_platf_new_storage_type(const simgrid::kernel::routing::StorageTypeCreationArgs* storage_type)
397 xbt_assert(storage_types.find(storage_type->id) == storage_types.end(),
398 "Reading a storage type, processing unit \"%s\" already exists", storage_type->id.c_str());
400 simgrid::kernel::resource::StorageType* stype = new simgrid::kernel::resource::StorageType(
401 storage_type->id, storage_type->model, storage_type->content, storage_type->properties,
402 storage_type->model_properties, storage_type->size);
404 XBT_DEBUG("Create a storage type id '%s' with model '%s', content '%s'", storage_type->id.c_str(),
405 storage_type->model.c_str(), storage_type->content.c_str());
407 storage_types[storage_type->id] = stype;
410 void sg_platf_new_mount(simgrid::kernel::routing::MountCreationArgs* mount)
412 xbt_assert(std::find(known_storages.begin(), known_storages.end(), mount->storageId) != known_storages.end(),
413 "Cannot mount non-existent disk \"%s\"", mount->storageId.c_str());
415 XBT_DEBUG("Mount '%s' on '%s'", mount->storageId.c_str(), mount->name.c_str());
417 if (mount_list.empty())
418 XBT_DEBUG("Create a Mount list for %s", A_surfxml_host_id);
419 mount_list.insert({mount->name, simgrid::s4u::Engine::get_instance()->storage_by_name(mount->storageId)->get_impl()});
422 void sg_platf_new_route(simgrid::kernel::routing::RouteCreationArgs* route)
424 routing_get_current()->add_route(route->src, route->dst, route->gw_src, route->gw_dst, route->link_list,
428 void sg_platf_new_bypassRoute(simgrid::kernel::routing::RouteCreationArgs* bypassRoute)
430 routing_get_current()->add_bypass_route(bypassRoute->src, bypassRoute->dst, bypassRoute->gw_src, bypassRoute->gw_dst,
431 bypassRoute->link_list, bypassRoute->symmetrical);
434 void sg_platf_new_actor(simgrid::kernel::routing::ActorCreationArgs* actor)
436 sg_host_t host = sg_host_by_name(actor->host);
438 // The requested host does not exist. Do a nice message to the user
439 std::string msg = std::string("Cannot create actor '") + actor->function + "': host '" + actor->host +
440 "' does not exist\nExisting hosts: '";
442 std::vector<simgrid::s4u::Host*> list = simgrid::s4u::Engine::get_instance()->get_all_hosts();
444 for (auto const& some_host : list) {
445 msg += some_host->get_name();
447 if (msg.length() > 1024) {
448 msg.pop_back(); // remove trailing quote
449 msg += "...(list truncated)......";
453 xbt_die("%s", msg.c_str());
455 const simgrid::kernel::actor::ActorCodeFactory& factory =
456 simgrid::kernel::EngineImpl::get_instance()->get_function(actor->function);
457 xbt_assert(factory, "Error while creating an actor from the XML file: Function '%s' not registered", actor->function);
459 double start_time = actor->start_time;
460 double kill_time = actor->kill_time;
461 bool auto_restart = actor->restart_on_failure;
463 std::string actor_name = actor->args[0];
464 simgrid::kernel::actor::ActorCode code = factory(std::move(actor->args));
465 std::shared_ptr<std::unordered_map<std::string, std::string>> properties(actor->properties);
467 simgrid::kernel::actor::ProcessArg* arg =
468 new simgrid::kernel::actor::ProcessArg(actor_name, code, nullptr, host, kill_time, properties, auto_restart);
470 host->pimpl_->add_actor_at_boot(arg);
472 if (start_time > SIMIX_get_clock()) {
473 arg = new simgrid::kernel::actor::ProcessArg(actor_name, code, nullptr, host, kill_time, properties, auto_restart);
475 XBT_DEBUG("Process %s@%s will be started at time %f", arg->name.c_str(), arg->host->get_cname(), start_time);
476 simgrid::simix::Timer::set(start_time, [arg, auto_restart]() {
477 simgrid::kernel::actor::ActorImplPtr new_actor = simgrid::kernel::actor::ActorImpl::create(
478 arg->name.c_str(), std::move(arg->code), arg->data, arg->host, arg->properties.get(), nullptr);
479 if (arg->kill_time >= 0)
480 new_actor->set_kill_time(arg->kill_time);
482 new_actor->set_auto_restart(auto_restart);
485 } else { // start_time <= SIMIX_get_clock()
486 XBT_DEBUG("Starting Process %s(%s) right now", arg->name.c_str(), host->get_cname());
489 simgrid::kernel::actor::ActorImplPtr new_actor = nullptr;
490 new_actor = simgrid::kernel::actor::ActorImpl::create(arg->name.c_str(), std::move(code), nullptr, host,
491 arg->properties.get(), nullptr);
492 /* The actor creation will fail if the host is currently dead, but that's fine */
493 if (arg->kill_time >= 0)
494 new_actor->set_kill_time(arg->kill_time);
496 new_actor->set_auto_restart(auto_restart);
497 } catch (simgrid::HostFailureException const&) {
498 XBT_WARN("Deployment includes some initially turned off Hosts ... nevermind.");
503 void sg_platf_new_peer(const simgrid::kernel::routing::PeerCreationArgs* peer)
505 simgrid::kernel::routing::VivaldiZone* as = dynamic_cast<simgrid::kernel::routing::VivaldiZone*>(current_routing);
506 xbt_assert(as, "<peer> tag can only be used in Vivaldi netzones.");
508 std::vector<double> speed_per_pstate;
509 speed_per_pstate.push_back(peer->speed);
510 simgrid::s4u::Host* host = as->create_host(peer->id, speed_per_pstate, 1, nullptr);
512 as->set_peer_link(host->get_netpoint(), peer->bw_in, peer->bw_out, peer->coord);
514 /* Change from the defaults */
515 if (peer->state_trace)
516 host->set_state_profile(peer->state_trace);
517 if (peer->speed_trace)
518 host->set_speed_profile(peer->speed_trace);
521 /* Pick the right models for CPU, net and host, and call their model_init_preparse */
522 static void surf_config_models_setup()
524 std::string host_model_name = simgrid::config::get_value<std::string>("host/model");
525 std::string network_model_name = simgrid::config::get_value<std::string>("network/model");
526 std::string cpu_model_name = simgrid::config::get_value<std::string>("cpu/model");
527 std::string disk_model_name = simgrid::config::get_value<std::string>("disk/model");
528 std::string storage_model_name = simgrid::config::get_value<std::string>("storage/model");
530 /* The compound host model is needed when using non-default net/cpu models */
531 if ((not simgrid::config::is_default("network/model") || not simgrid::config::is_default("cpu/model")) &&
532 simgrid::config::is_default("host/model")) {
533 host_model_name = "compound";
534 simgrid::config::set_value("host/model", host_model_name);
537 XBT_DEBUG("host model: %s", host_model_name.c_str());
538 if (host_model_name == "compound") {
539 xbt_assert(not cpu_model_name.empty(), "Set a cpu model to use with the 'compound' host model");
540 xbt_assert(not network_model_name.empty(), "Set a network model to use with the 'compound' host model");
542 int cpu_id = find_model_description(surf_cpu_model_description, cpu_model_name);
543 surf_cpu_model_description[cpu_id].model_init_preparse();
545 int network_id = find_model_description(surf_network_model_description, network_model_name);
546 surf_network_model_description[network_id].model_init_preparse();
549 XBT_DEBUG("Call host_model_init");
550 int host_id = find_model_description(surf_host_model_description, host_model_name);
551 surf_host_model_description[host_id].model_init_preparse();
553 XBT_DEBUG("Call vm_model_init");
554 surf_vm_model_init_HL13();
556 XBT_DEBUG("Call disk_model_init");
557 int disk_id = find_model_description(surf_disk_model_description, disk_model_name);
558 surf_disk_model_description[disk_id].model_init_preparse();
560 XBT_DEBUG("Call storage_model_init");
561 int storage_id = find_model_description(surf_storage_model_description, storage_model_name);
562 surf_storage_model_description[storage_id].model_init_preparse();
566 * @brief Add a Zone to the platform
568 * Add a new autonomous system to the platform. Any elements (such as host, router or sub-Zone) added after this call
569 * and before the corresponding call to sg_platf_new_Zone_seal() will be added to this Zone.
571 * Once this function was called, the configuration concerning the used models cannot be changed anymore.
573 * @param zone the parameters defining the Zone to build.
575 simgrid::kernel::routing::NetZoneImpl* sg_platf_new_Zone_begin(const simgrid::kernel::routing::ZoneCreationArgs* zone)
577 if (not surf_parse_models_setup_already_called) {
578 simgrid::s4u::Engine::on_platform_creation();
580 /* Initialize the surf models. That must be done after we got all config, and before we need the models.
581 * That is, after the last <config> tag, if any, and before the first of cluster|peer|zone|trace|trace_connect
583 * I'm not sure for <trace> and <trace_connect>, there may be a bug here
584 * (FIXME: check it out by creating a file beginning with one of these tags)
585 * but cluster and peer come down to zone creations, so putting this verification here is correct.
587 surf_parse_models_setup_already_called = 1;
588 surf_config_models_setup();
591 _sg_cfg_init_status = 2; /* HACK: direct access to the global controlling the level of configuration to prevent
592 * any further config now that we created some real content */
594 /* search the routing model */
595 simgrid::kernel::routing::NetZoneImpl* new_zone = nullptr;
596 simgrid::kernel::resource::NetworkModel* netmodel =
597 current_routing == nullptr ? surf_network_model : current_routing->network_model_;
598 switch (zone->routing) {
599 case A_surfxml_AS_routing_Cluster:
600 new_zone = new simgrid::kernel::routing::ClusterZone(current_routing, zone->id, netmodel);
602 case A_surfxml_AS_routing_ClusterDragonfly:
603 new_zone = new simgrid::kernel::routing::DragonflyZone(current_routing, zone->id, netmodel);
605 case A_surfxml_AS_routing_ClusterTorus:
606 new_zone = new simgrid::kernel::routing::TorusZone(current_routing, zone->id, netmodel);
608 case A_surfxml_AS_routing_ClusterFatTree:
609 new_zone = new simgrid::kernel::routing::FatTreeZone(current_routing, zone->id, netmodel);
611 case A_surfxml_AS_routing_Dijkstra:
612 new_zone = new simgrid::kernel::routing::DijkstraZone(current_routing, zone->id, netmodel, false);
614 case A_surfxml_AS_routing_DijkstraCache:
615 new_zone = new simgrid::kernel::routing::DijkstraZone(current_routing, zone->id, netmodel, true);
617 case A_surfxml_AS_routing_Floyd:
618 new_zone = new simgrid::kernel::routing::FloydZone(current_routing, zone->id, netmodel);
620 case A_surfxml_AS_routing_Full:
621 new_zone = new simgrid::kernel::routing::FullZone(current_routing, zone->id, netmodel);
623 case A_surfxml_AS_routing_None:
624 new_zone = new simgrid::kernel::routing::EmptyZone(current_routing, zone->id, netmodel);
626 case A_surfxml_AS_routing_Vivaldi:
627 new_zone = new simgrid::kernel::routing::VivaldiZone(current_routing, zone->id, netmodel);
630 xbt_die("Not a valid model!");
634 if (current_routing == nullptr) { /* it is the first one */
635 simgrid::s4u::Engine::get_instance()->set_netzone_root(new_zone->get_iface());
637 /* set the father behavior */
638 if (current_routing->hierarchy_ == simgrid::kernel::routing::NetZoneImpl::RoutingMode::unset)
639 current_routing->hierarchy_ = simgrid::kernel::routing::NetZoneImpl::RoutingMode::recursive;
640 /* add to the sons dictionary */
641 current_routing->get_children()->push_back(new_zone);
644 /* set the new current component of the tree */
645 current_routing = new_zone;
646 simgrid::s4u::NetZone::on_creation(*new_zone->get_iface()); // notify the signal
651 void sg_platf_new_Zone_set_properties(const std::unordered_map<std::string, std::string>* props)
653 xbt_assert(current_routing, "Cannot set properties of the current Zone: none under construction");
656 current_routing->set_properties(*props);
660 * @brief Specify that the description of the current AS is finished
662 * Once you've declared all the content of your AS, you have to seal
663 * it with this call. Your AS is not usable until you call this function.
665 void sg_platf_new_Zone_seal()
667 xbt_assert(current_routing, "Cannot seal the current AS: none under construction");
668 current_routing->seal();
669 simgrid::s4u::NetZone::on_seal(*current_routing->get_iface());
670 current_routing = current_routing->get_father();
673 /** @brief Add a link connecting a host to the rest of its AS (which must be cluster or vivaldi) */
674 void sg_platf_new_hostlink(const simgrid::kernel::routing::HostLinkCreationArgs* hostlink)
676 const simgrid::kernel::routing::NetPoint* netpoint = simgrid::s4u::Host::by_name(hostlink->id)->get_netpoint();
677 xbt_assert(netpoint, "Host '%s' not found!", hostlink->id.c_str());
678 xbt_assert(dynamic_cast<simgrid::kernel::routing::ClusterZone*>(current_routing),
679 "Only hosts from Cluster and Vivaldi ASes can get a host_link.");
681 const simgrid::s4u::Link* linkUp = simgrid::s4u::Link::by_name_or_null(hostlink->link_up);
682 const simgrid::s4u::Link* linkDown = simgrid::s4u::Link::by_name_or_null(hostlink->link_down);
684 xbt_assert(linkUp, "Link '%s' not found!", hostlink->link_up.c_str());
685 xbt_assert(linkDown, "Link '%s' not found!", hostlink->link_down.c_str());
687 auto* as_cluster = static_cast<simgrid::kernel::routing::ClusterZone*>(current_routing);
689 if (as_cluster->private_links_.find(netpoint->id()) != as_cluster->private_links_.end())
690 surf_parse_error(std::string("Host_link for '") + hostlink->id.c_str() + "' is already defined!");
692 XBT_DEBUG("Push Host_link for host '%s' to position %u", netpoint->get_cname(), netpoint->id());
693 as_cluster->private_links_.insert({netpoint->id(), {linkUp->get_impl(), linkDown->get_impl()}});
696 void sg_platf_new_trace(simgrid::kernel::routing::ProfileCreationArgs* profile)
698 simgrid::kernel::profile::Profile* mgr_profile;
699 if (not profile->file.empty()) {
700 mgr_profile = simgrid::kernel::profile::Profile::from_file(profile->file);
702 xbt_assert(not profile->pc_data.empty(), "Trace '%s' must have either a content, or point to a file on disk.",
703 profile->id.c_str());
704 mgr_profile = simgrid::kernel::profile::Profile::from_string(profile->id, profile->pc_data, profile->periodicity);
706 traces_set_list.insert({profile->id, mgr_profile});