1 /* Copyright (c) 2006-2017. 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/s4u/Engine.hpp"
7 #include "simgrid/s4u/Storage.hpp"
9 #include "src/kernel/EngineImpl.hpp"
10 #include "src/simix/smx_private.hpp"
12 #include "src/include/simgrid/sg_config.h"
14 #include "src/surf/HostImpl.hpp"
15 #include "src/surf/cpu_interface.hpp"
16 #include "src/surf/network_interface.hpp"
18 #include "src/kernel/routing/ClusterZone.hpp"
19 #include "src/kernel/routing/DijkstraZone.hpp"
20 #include "src/kernel/routing/DragonflyZone.hpp"
21 #include "src/kernel/routing/EmptyZone.hpp"
22 #include "src/kernel/routing/FatTreeZone.hpp"
23 #include "src/kernel/routing/FloydZone.hpp"
24 #include "src/kernel/routing/FullZone.hpp"
25 #include "src/kernel/routing/NetPoint.hpp"
26 #include "src/kernel/routing/NetZoneImpl.hpp"
27 #include "src/kernel/routing/TorusZone.hpp"
28 #include "src/kernel/routing/VivaldiZone.hpp"
30 XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(surf_parse);
32 XBT_PRIVATE std::map<std::string, simgrid::surf::StorageImpl*> mount_list;
33 XBT_PRIVATE std::vector<std::string> known_storages;
38 simgrid::xbt::signal<void(ClusterCreationArgs*)> on_cluster;
42 // FIXME: The following duplicates the content of s4u::Host
45 extern std::map<std::string, simgrid::s4u::Host*> host_list;
49 static int surf_parse_models_setup_already_called = 0;
50 std::map<std::string, simgrid::surf::StorageType*> storage_types;
52 /** The current AS in the parsing */
53 static simgrid::kernel::routing::NetZoneImpl* current_routing = nullptr;
54 static simgrid::kernel::routing::NetZoneImpl* routing_get_current()
56 return current_routing;
59 /** Module management function: creates all internal data structures */
61 { /* Do nothing: just for symmetry of user code */
64 /** Module management function: frees all internal data structures */
65 void sg_platf_exit() {
66 simgrid::surf::on_cluster.disconnect_all_slots();
67 simgrid::s4u::onPlatformCreated.disconnect_all_slots();
69 /* make sure that we will reinit the models while loading the platf once reinited */
70 surf_parse_models_setup_already_called = 0;
71 surf_parse_lex_destroy();
74 /** @brief Add an host to the current AS */
75 void sg_platf_new_host(sg_platf_host_cbarg_t args)
77 std::map<std::string, std::string> props;
78 if (args->properties) {
79 for (auto const& elm : *args->properties)
80 props.insert({elm.first, elm.second});
81 delete args->properties;
84 simgrid::s4u::Host* host =
85 routing_get_current()->createHost(args->id, &args->speed_per_pstate, args->core_amount, &props);
87 host->pimpl_->storage_ = mount_list;
90 /* Change from the defaults */
91 if (args->state_trace)
92 host->pimpl_cpu->setStateTrace(args->state_trace);
93 if (args->speed_trace)
94 host->pimpl_cpu->setSpeedTrace(args->speed_trace);
95 if (args->pstate != 0)
96 host->pimpl_cpu->setPState(args->pstate);
97 if (args->coord && strcmp(args->coord, ""))
98 new simgrid::kernel::routing::vivaldi::Coords(host->pimpl_netpoint, args->coord);
101 /** @brief Add a "router" to the network element list */
102 simgrid::kernel::routing::NetPoint* sg_platf_new_router(std::string name, const char* coords)
104 simgrid::kernel::routing::NetZoneImpl* current_routing = routing_get_current();
106 if (current_routing->hierarchy_ == simgrid::kernel::routing::NetZoneImpl::RoutingMode::unset)
107 current_routing->hierarchy_ = simgrid::kernel::routing::NetZoneImpl::RoutingMode::base;
108 xbt_assert(nullptr == simgrid::s4u::Engine::getInstance()->getNetpointByNameOrNull(name),
109 "Refusing to create a router named '%s': this name already describes a node.", name.c_str());
111 simgrid::kernel::routing::NetPoint* netpoint =
112 new simgrid::kernel::routing::NetPoint(name, simgrid::kernel::routing::NetPoint::Type::Router, current_routing);
113 XBT_DEBUG("Router '%s' has the id %u", name.c_str(), netpoint->id());
115 if (coords && strcmp(coords, ""))
116 new simgrid::kernel::routing::vivaldi::Coords(netpoint, coords);
122 void sg_platf_new_link(LinkCreationArgs* link)
124 std::vector<std::string> names;
126 if (link->policy == SURF_LINK_FULLDUPLEX) {
127 names.push_back(link->id+ "_UP");
128 names.push_back(link->id+ "_DOWN");
130 names.push_back(link->id);
132 for (auto const& link_name : names) {
133 simgrid::surf::LinkImpl* l =
134 surf_network_model->createLink(link_name, link->bandwidth, link->latency, link->policy);
136 if (link->properties) {
137 for (auto const& elm : *link->properties)
138 l->setProperty(elm.first, elm.second);
141 if (link->latency_trace)
142 l->setLatencyTrace(link->latency_trace);
143 if (link->bandwidth_trace)
144 l->setBandwidthTrace(link->bandwidth_trace);
145 if (link->state_trace)
146 l->setStateTrace(link->state_trace);
148 delete link->properties;
151 void sg_platf_new_cluster(ClusterCreationArgs* cluster)
153 using simgrid::kernel::routing::ClusterZone;
154 using simgrid::kernel::routing::DragonflyZone;
155 using simgrid::kernel::routing::FatTreeZone;
156 using simgrid::kernel::routing::TorusZone;
160 // What an inventive way of initializing the AS that I have as ancestor :-(
161 ZoneCreationArgs zone;
162 zone.id = cluster->id;
163 switch (cluster->topology) {
164 case SURF_CLUSTER_TORUS:
165 zone.routing = A_surfxml_AS_routing_ClusterTorus;
167 case SURF_CLUSTER_DRAGONFLY:
168 zone.routing = A_surfxml_AS_routing_ClusterDragonfly;
170 case SURF_CLUSTER_FAT_TREE:
171 zone.routing = A_surfxml_AS_routing_ClusterFatTree;
174 zone.routing = A_surfxml_AS_routing_Cluster;
177 sg_platf_new_Zone_begin(&zone);
178 simgrid::kernel::routing::ClusterZone* current_as = static_cast<ClusterZone*>(routing_get_current());
179 current_as->parse_specific_arguments(cluster);
181 if(cluster->loopback_bw > 0 || cluster->loopback_lat > 0){
182 current_as->linkCountPerNode_++;
183 current_as->hasLoopback_ = true;
186 if(cluster->limiter_link > 0){
187 current_as->linkCountPerNode_++;
188 current_as->hasLimiter_ = true;
191 for (int const& i : *cluster->radicals) {
192 std::string host_id = std::string(cluster->prefix) + std::to_string(i) + cluster->suffix;
193 std::string link_id = std::string(cluster->id) + "_link_" + std::to_string(i);
195 XBT_DEBUG("<host\tid=\"%s\"\tpower=\"%f\">", host_id.c_str(), cluster->speeds.front());
197 s_sg_platf_host_cbarg_t host;
198 memset(&host, 0, sizeof(host));
199 host.id = host_id.c_str();
200 if ((cluster->properties != nullptr) && (not cluster->properties->empty())) {
201 host.properties = new std::map<std::string, std::string>;
203 for (auto const& elm : *cluster->properties)
204 host.properties->insert({elm.first, elm.second});
207 host.speed_per_pstate = cluster->speeds;
209 host.core_amount = cluster->core_amount;
211 sg_platf_new_host(&host);
212 XBT_DEBUG("</host>");
214 XBT_DEBUG("<link\tid=\"%s\"\tbw=\"%f\"\tlat=\"%f\"/>", link_id.c_str(), cluster->bw, cluster->lat);
216 // All links are saved in a matrix;
217 // every row describes a single node; every node may have multiple links.
218 // the first column may store a link from x to x if p_has_loopback is set
219 // the second column may store a limiter link if p_has_limiter is set
220 // other columns are to store one or more link for the node
222 //add a loopback link
223 simgrid::surf::LinkImpl* linkUp = nullptr;
224 simgrid::surf::LinkImpl* linkDown = nullptr;
225 if(cluster->loopback_bw > 0 || cluster->loopback_lat > 0){
226 std::string tmp_link = link_id + "_loopback";
227 XBT_DEBUG("<loopback\tid=\"%s\"\tbw=\"%f\"/>", tmp_link.c_str(), cluster->loopback_bw);
229 LinkCreationArgs link;
231 link.bandwidth = cluster->loopback_bw;
232 link.latency = cluster->loopback_lat;
233 link.policy = SURF_LINK_FATPIPE;
234 sg_platf_new_link(&link);
235 linkUp = simgrid::surf::LinkImpl::byName(tmp_link);
236 linkDown = simgrid::surf::LinkImpl::byName(tmp_link);
238 auto as_cluster = static_cast<ClusterZone*>(current_as);
239 as_cluster->privateLinks_.insert({as_cluster->nodePosition(rankId), {linkUp, linkDown}});
242 //add a limiter link (shared link to account for maximal bandwidth of the node)
245 if(cluster->limiter_link > 0){
246 std::string tmp_link = std::string(link_id) + "_limiter";
247 XBT_DEBUG("<limiter\tid=\"%s\"\tbw=\"%f\"/>", tmp_link.c_str(), cluster->limiter_link);
249 LinkCreationArgs link;
251 link.bandwidth = cluster->limiter_link;
253 link.policy = SURF_LINK_SHARED;
254 sg_platf_new_link(&link);
255 linkDown = simgrid::surf::LinkImpl::byName(tmp_link);
257 current_as->privateLinks_.insert({current_as->nodePositionWithLoopback(rankId), {linkUp, linkDown}});
260 //call the cluster function that adds the others links
261 if (cluster->topology == SURF_CLUSTER_FAT_TREE) {
262 static_cast<FatTreeZone*>(current_as)->addProcessingNode(i);
264 current_as->create_links_for_node(cluster, i, rankId, current_as->nodePositionWithLimiter(rankId));
268 delete cluster->properties;
272 XBT_DEBUG("<router id=\"%s\"/>", cluster->router_id.c_str());
273 if (cluster->router_id.empty()) {
274 std::string newid = std::string(cluster->prefix) + cluster->id + "_router" + cluster->suffix;
275 current_as->router_ = sg_platf_new_router(newid, NULL);
277 current_as->router_ = sg_platf_new_router(cluster->router_id, NULL);
281 if ((cluster->bb_bw > 0) || (cluster->bb_lat > 0)) {
283 LinkCreationArgs link;
284 link.id = std::string(cluster->id)+ "_backbone";
285 link.bandwidth = cluster->bb_bw;
286 link.latency = cluster->bb_lat;
287 link.policy = cluster->bb_sharing_policy;
289 XBT_DEBUG("<link\tid=\"%s\" bw=\"%f\" lat=\"%f\"/>", link.id.c_str(), cluster->bb_bw, cluster->bb_lat);
290 sg_platf_new_link(&link);
292 routing_cluster_add_backbone(simgrid::surf::LinkImpl::byName(link.id));
296 sg_platf_new_Zone_seal();
298 simgrid::surf::on_cluster(cluster);
299 delete cluster->radicals;
302 void routing_cluster_add_backbone(simgrid::surf::LinkImpl* bb)
304 simgrid::kernel::routing::ClusterZone* cluster =
305 dynamic_cast<simgrid::kernel::routing::ClusterZone*>(current_routing);
307 xbt_assert(cluster, "Only hosts from Cluster can get a backbone.");
308 xbt_assert(nullptr == cluster->backbone_, "Cluster %s already has a backbone link!", cluster->getCname());
310 cluster->backbone_ = bb;
311 XBT_DEBUG("Add a backbone to AS '%s'", current_routing->getCname());
314 void sg_platf_new_cabinet(CabinetCreationArgs* cabinet)
316 for (int const& radical : *cabinet->radicals) {
317 std::string hostname = cabinet->prefix + std::to_string(radical) + cabinet->suffix;
318 s_sg_platf_host_cbarg_t host;
319 memset(&host, 0, sizeof(host));
321 host.core_amount = 1;
322 host.id = hostname.c_str();
323 host.speed_per_pstate.push_back(cabinet->speed);
324 sg_platf_new_host(&host);
326 LinkCreationArgs link;
327 link.policy = SURF_LINK_FULLDUPLEX;
328 link.latency = cabinet->lat;
329 link.bandwidth = cabinet->bw;
330 link.id = "link_" + hostname;
331 sg_platf_new_link(&link);
333 HostLinkCreationArgs host_link;
334 host_link.id = hostname;
335 host_link.link_up = std::string("link_") + hostname + "_UP";
336 host_link.link_down = std::string("link_") + hostname + "_DOWN";
337 sg_platf_new_hostlink(&host_link);
339 delete cabinet->radicals;
342 void sg_platf_new_storage(StorageCreationArgs* storage)
344 xbt_assert(std::find(known_storages.begin(), known_storages.end(), storage->id) == known_storages.end(),
345 "Refusing to add a second storage named \"%s\"", storage->id.c_str());
347 simgrid::surf::StorageType* stype;
348 auto st = storage_types.find(storage->type_id);
349 if (st != storage_types.end()) {
352 xbt_die("No storage type '%s'", storage->type_id.c_str());
355 XBT_DEBUG("ROUTING Create a storage name '%s' with type_id '%s' and content '%s'", storage->id.c_str(),
356 storage->type_id.c_str(), storage->content.c_str());
358 known_storages.push_back(storage->id);
360 // if storage content is not specified use the content of storage_type if any
361 if (storage->content.empty() && not stype->content.empty()) {
362 storage->content = stype->content;
363 XBT_DEBUG("For disk '%s' content is empty, inherit the content (of type %s)", storage->id.c_str(),
367 XBT_DEBUG("SURF storage create resource\n\t\tid '%s'\n\t\ttype '%s' "
368 "\n\t\tmodel '%s' \n\t\tcontent '%s' "
369 "\n\t\tproperties '%p''\n",
370 storage->id.c_str(), stype->model.c_str(), stype->id.c_str(), storage->content.c_str(),
371 storage->properties);
373 auto s = surf_storage_model->createStorage(storage->id, stype->id, storage->content, storage->attach);
375 if (storage->properties) {
376 for (auto const& elm : *storage->properties)
377 s->setProperty(elm.first, elm.second);
378 delete storage->properties;
382 void sg_platf_new_storage_type(StorageTypeCreationArgs* storage_type)
384 xbt_assert(storage_types.find(storage_type->id) == storage_types.end(),
385 "Reading a storage type, processing unit \"%s\" already exists", storage_type->id.c_str());
387 simgrid::surf::StorageType* stype =
388 new simgrid::surf::StorageType(storage_type->id, storage_type->model, storage_type->content,
389 storage_type->properties, storage_type->model_properties, storage_type->size);
391 XBT_DEBUG("Create a storage type id '%s' with model '%s', content '%s'", storage_type->id.c_str(),
392 storage_type->model.c_str(), storage_type->content.c_str());
394 storage_types[storage_type->id] = stype;
397 void sg_platf_new_mount(MountCreationArgs* mount)
399 xbt_assert(std::find(known_storages.begin(), known_storages.end(), mount->storageId) != known_storages.end(),
400 "Cannot mount non-existent disk \"%s\"", mount->storageId.c_str());
402 XBT_DEBUG("Mount '%s' on '%s'", mount->storageId.c_str(), mount->name.c_str());
404 if (mount_list.empty())
405 XBT_DEBUG("Create a Mount list for %s", A_surfxml_host_id);
406 mount_list.insert({mount->name, simgrid::surf::StorageImpl::byName(mount->storageId.c_str())});
409 void sg_platf_new_route(sg_platf_route_cbarg_t route)
411 routing_get_current()->addRoute(route);
414 void sg_platf_new_bypassRoute(sg_platf_route_cbarg_t bypassRoute)
416 routing_get_current()->addBypassRoute(bypassRoute);
419 void sg_platf_new_process(sg_platf_process_cbarg_t process)
421 sg_host_t host = sg_host_by_name(process->host);
423 // The requested host does not exist. Do a nice message to the user
424 std::string msg = std::string("Cannot create process '") + process->function + "': host '" + process->host +
425 "' does not exist\nExisting hosts: '";
426 for (auto const& kv : simgrid::s4u::host_list) {
427 simgrid::s4u::Host* host = kv.second;
428 msg += host->getName();
430 if (msg.length() > 1024) {
431 msg.pop_back(); // remove trailing quote
432 msg += "...(list truncated)......";
436 xbt_die("%s", msg.c_str());
438 simgrid::simix::ActorCodeFactory& factory = SIMIX_get_actor_code_factory(process->function);
439 xbt_assert(factory, "Function '%s' unknown", process->function);
441 double start_time = process->start_time;
442 double kill_time = process->kill_time;
443 int auto_restart = process->on_failure == SURF_ACTOR_ON_FAILURE_DIE ? 0 : 1;
445 std::vector<std::string> args(process->argv, process->argv + process->argc);
446 std::function<void()> code = factory(std::move(args));
447 std::shared_ptr<std::map<std::string, std::string>> properties(process->properties);
449 smx_process_arg_t arg = nullptr;
451 arg = new simgrid::simix::ProcessArg();
452 arg->name = std::string(process->argv[0]);
456 arg->kill_time = kill_time;
457 arg->properties = properties;
459 host->extension<simgrid::simix::Host>()->boot_processes.push_back(arg);
461 if (start_time > SIMIX_get_clock()) {
463 arg = new simgrid::simix::ProcessArg();
464 arg->name = std::string(process->argv[0]);
465 arg->code = std::move(code);
468 arg->kill_time = kill_time;
469 arg->properties = properties;
471 XBT_DEBUG("Process %s@%s will be started at time %f", arg->name.c_str(), arg->host->getCname(), start_time);
472 SIMIX_timer_set(start_time, [arg, auto_restart]() {
473 smx_actor_t actor = simix_global->create_process_function(arg->name.c_str(), std::move(arg->code), arg->data,
474 arg->host, arg->properties.get(), nullptr);
475 if (arg->kill_time >= 0)
476 simcall_process_set_kill_time(actor, arg->kill_time);
478 SIMIX_process_auto_restart_set(actor, auto_restart);
481 } else { // start_time <= SIMIX_get_clock()
482 XBT_DEBUG("Starting Process %s(%s) right now", arg->name.c_str(), host->getCname());
484 smx_actor_t actor = simix_global->create_process_function(arg->name.c_str(), std::move(code), nullptr, host,
485 arg->properties.get(), nullptr);
487 /* The actor creation will fail if the host is currently dead, but that's fine */
488 if (actor != nullptr) {
489 if (arg->kill_time >= 0)
490 simcall_process_set_kill_time(actor, arg->kill_time);
492 SIMIX_process_auto_restart_set(actor, auto_restart);
497 void sg_platf_new_peer(PeerCreationArgs* peer)
499 simgrid::kernel::routing::VivaldiZone* as = dynamic_cast<simgrid::kernel::routing::VivaldiZone*>(current_routing);
500 xbt_assert(as, "<peer> tag can only be used in Vivaldi netzones.");
502 std::vector<double> speedPerPstate;
503 speedPerPstate.push_back(peer->speed);
504 simgrid::s4u::Host* host = as->createHost(peer->id.c_str(), &speedPerPstate, 1, nullptr);
506 as->setPeerLink(host->pimpl_netpoint, peer->bw_in, peer->bw_out, peer->coord);
508 /* Change from the defaults */
509 if (peer->state_trace)
510 host->pimpl_cpu->setStateTrace(peer->state_trace);
511 if (peer->speed_trace)
512 host->pimpl_cpu->setSpeedTrace(peer->speed_trace);
515 void sg_platf_begin() { /* Do nothing: just for symmetry of user code */ }
517 void sg_platf_end() {
518 simgrid::s4u::onPlatformCreated();
521 /* Pick the right models for CPU, net and host, and call their model_init_preparse */
522 static void surf_config_models_setup()
524 const char* host_model_name = xbt_cfg_get_string("host/model");
525 const char* network_model_name = xbt_cfg_get_string("network/model");
526 const char* cpu_model_name = xbt_cfg_get_string("cpu/model");
527 const char* storage_model_name = xbt_cfg_get_string("storage/model");
529 /* The compound host model is needed when using non-default net/cpu models */
530 if ((not xbt_cfg_is_default_value("network/model") || not xbt_cfg_is_default_value("cpu/model")) &&
531 xbt_cfg_is_default_value("host/model")) {
532 host_model_name = "compound";
533 xbt_cfg_set_string("host/model", host_model_name);
536 XBT_DEBUG("host model: %s", host_model_name);
537 if (not strcmp(host_model_name, "compound")) {
538 xbt_assert(cpu_model_name, "Set a cpu model to use with the 'compound' host model");
539 xbt_assert(network_model_name, "Set a network model to use with the 'compound' host model");
541 int cpu_id = find_model_description(surf_cpu_model_description, cpu_model_name);
542 surf_cpu_model_description[cpu_id].model_init_preparse();
544 int network_id = find_model_description(surf_network_model_description, network_model_name);
545 surf_network_model_description[network_id].model_init_preparse();
548 XBT_DEBUG("Call host_model_init");
549 int host_id = find_model_description(surf_host_model_description, host_model_name);
550 surf_host_model_description[host_id].model_init_preparse();
552 XBT_DEBUG("Call vm_model_init");
553 surf_vm_model_init_HL13();
555 XBT_DEBUG("Call storage_model_init");
556 int storage_id = find_model_description(surf_storage_model_description, storage_model_name);
557 surf_storage_model_description[storage_id].model_init_preparse();
561 * \brief Add a Zone to the platform
563 * Add a new autonomous system to the platform. Any elements (such as host, router or sub-Zone) added after this call
564 * and before the corresponding call to sg_platf_new_Zone_seal() will be added to this Zone.
566 * Once this function was called, the configuration concerning the used models cannot be changed anymore.
568 * @param zone the parameters defining the Zone to build.
570 simgrid::s4u::NetZone* sg_platf_new_Zone_begin(ZoneCreationArgs* zone)
572 if (not surf_parse_models_setup_already_called) {
573 /* Initialize the surf models. That must be done after we got all config, and before we need the models.
574 * That is, after the last <config> tag, if any, and before the first of cluster|peer|AS|trace|trace_connect
576 * I'm not sure for <trace> and <trace_connect>, there may be a bug here
577 * (FIXME: check it out by creating a file beginning with one of these tags)
578 * but cluster and peer create ASes internally, so putting the code in there is ok.
580 surf_parse_models_setup_already_called = 1;
581 surf_config_models_setup();
584 _sg_cfg_init_status = 2; /* HACK: direct access to the global controlling the level of configuration to prevent
585 * any further config now that we created some real content */
587 /* search the routing model */
588 simgrid::kernel::routing::NetZoneImpl* new_zone = nullptr;
589 switch (zone->routing) {
590 case A_surfxml_AS_routing_Cluster:
591 new_zone = new simgrid::kernel::routing::ClusterZone(current_routing, zone->id);
593 case A_surfxml_AS_routing_ClusterDragonfly:
594 new_zone = new simgrid::kernel::routing::DragonflyZone(current_routing, zone->id);
596 case A_surfxml_AS_routing_ClusterTorus:
597 new_zone = new simgrid::kernel::routing::TorusZone(current_routing, zone->id);
599 case A_surfxml_AS_routing_ClusterFatTree:
600 new_zone = new simgrid::kernel::routing::FatTreeZone(current_routing, zone->id);
602 case A_surfxml_AS_routing_Dijkstra:
603 new_zone = new simgrid::kernel::routing::DijkstraZone(current_routing, zone->id, false);
605 case A_surfxml_AS_routing_DijkstraCache:
606 new_zone = new simgrid::kernel::routing::DijkstraZone(current_routing, zone->id, true);
608 case A_surfxml_AS_routing_Floyd:
609 new_zone = new simgrid::kernel::routing::FloydZone(current_routing, zone->id);
611 case A_surfxml_AS_routing_Full:
612 new_zone = new simgrid::kernel::routing::FullZone(current_routing, zone->id);
614 case A_surfxml_AS_routing_None:
615 new_zone = new simgrid::kernel::routing::EmptyZone(current_routing, zone->id);
617 case A_surfxml_AS_routing_Vivaldi:
618 new_zone = new simgrid::kernel::routing::VivaldiZone(current_routing, zone->id);
621 xbt_die("Not a valid model!");
625 if (current_routing == nullptr) { /* it is the first one */
626 xbt_assert(simgrid::s4u::Engine::getInstance()->pimpl->netRoot_ == nullptr,
627 "All defined components must belong to a networking zone.");
628 simgrid::s4u::Engine::getInstance()->pimpl->netRoot_ = new_zone;
631 /* set the father behavior */
632 if (current_routing->hierarchy_ == simgrid::kernel::routing::NetZoneImpl::RoutingMode::unset)
633 current_routing->hierarchy_ = simgrid::kernel::routing::NetZoneImpl::RoutingMode::recursive;
634 /* add to the sons dictionary */
635 current_routing->getChildren()->push_back(static_cast<simgrid::s4u::NetZone*>(new_zone));
638 /* set the new current component of the tree */
639 current_routing = new_zone;
641 simgrid::s4u::NetZone::onCreation(*new_zone); // notify the signal
647 * \brief Specify that the description of the current AS is finished
649 * Once you've declared all the content of your AS, you have to seal
650 * it with this call. Your AS is not usable until you call this function.
652 void sg_platf_new_Zone_seal()
654 xbt_assert(current_routing, "Cannot seal the current AS: none under construction");
655 current_routing->seal();
656 simgrid::s4u::NetZone::onSeal(*current_routing);
657 current_routing = static_cast<simgrid::kernel::routing::NetZoneImpl*>(current_routing->getFather());
660 /** @brief Add a link connecting an host to the rest of its AS (which must be cluster or vivaldi) */
661 void sg_platf_new_hostlink(HostLinkCreationArgs* hostlink)
663 simgrid::kernel::routing::NetPoint* netpoint = sg_host_by_name(hostlink->id.c_str())->pimpl_netpoint;
664 xbt_assert(netpoint, "Host '%s' not found!", hostlink->id.c_str());
665 xbt_assert(dynamic_cast<simgrid::kernel::routing::ClusterZone*>(current_routing),
666 "Only hosts from Cluster and Vivaldi ASes can get an host_link.");
668 simgrid::surf::LinkImpl* linkUp = simgrid::surf::LinkImpl::byName(hostlink->link_up);
669 simgrid::surf::LinkImpl* linkDown = simgrid::surf::LinkImpl::byName(hostlink->link_down);
671 xbt_assert(linkUp, "Link '%s' not found!", hostlink->link_up.c_str());
672 xbt_assert(linkDown, "Link '%s' not found!", hostlink->link_down.c_str());
674 auto as_cluster = static_cast<simgrid::kernel::routing::ClusterZone*>(current_routing);
676 if (as_cluster->privateLinks_.find(netpoint->id()) != as_cluster->privateLinks_.end())
677 surf_parse_error(std::string("Host_link for '") + hostlink->id.c_str() + "' is already defined!");
679 XBT_DEBUG("Push Host_link for host '%s' to position %u", netpoint->getCname(), netpoint->id());
680 as_cluster->privateLinks_.insert({netpoint->id(), {linkUp, linkDown}});
683 void sg_platf_new_trace(TraceCreationArgs* trace)
685 tmgr_trace_t tmgr_trace;
686 if (not trace->file.empty()) {
687 tmgr_trace = tmgr_trace_new_from_file(trace->file);
689 xbt_assert(not trace->pc_data.empty(), "Trace '%s' must have either a content, or point to a file on disk.",
691 tmgr_trace = tmgr_trace_new_from_string(trace->id, trace->pc_data, trace->periodicity);
693 traces_set_list.insert({trace->id, tmgr_trace});