1 /* Copyright (c) 2006-2014. The SimGrid Team.
2 * All rights reserved. */
4 /* This program is free software; you can redistribute it and/or modify it
5 * under the terms of the license (GNU LGPL) which comes with this package. */
7 #include "simgrid/s4u/engine.hpp"
8 #include "src/kernel/EngineImpl.hpp"
9 #include "src/simix/smx_private.h"
11 #include "src/include/simgrid/sg_config.h"
13 #include "src/surf/HostImpl.hpp"
14 #include "src/surf/cpu_interface.hpp"
15 #include "src/surf/network_interface.hpp"
17 #include "src/kernel/routing/ClusterZone.hpp"
18 #include "src/kernel/routing/DijkstraZone.hpp"
19 #include "src/kernel/routing/DragonflyZone.hpp"
20 #include "src/kernel/routing/EmptyZone.hpp"
21 #include "src/kernel/routing/FatTreeZone.hpp"
22 #include "src/kernel/routing/FloydZone.hpp"
23 #include "src/kernel/routing/FullZone.hpp"
24 #include "src/kernel/routing/NetCard.hpp"
25 #include "src/kernel/routing/NetZoneImpl.hpp"
26 #include "src/kernel/routing/TorusZone.hpp"
27 #include "src/kernel/routing/VivaldiZone.hpp"
29 XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(surf_parse);
31 XBT_PRIVATE xbt_dynar_t mount_list = nullptr;
36 simgrid::xbt::signal<void(sg_platf_cluster_cbarg_t)> on_cluster;
37 simgrid::xbt::signal<void(void)> on_postparse;
42 static int surf_parse_models_setup_already_called = 0;
44 /** The current AS in the parsing */
45 static simgrid::kernel::routing::NetZoneImpl* current_routing = nullptr;
46 static simgrid::kernel::routing::NetZoneImpl* routing_get_current()
48 return current_routing;
51 /** Module management function: creates all internal data structures */
52 void sg_platf_init() {
55 /** Module management function: frees all internal data structures */
56 void sg_platf_exit() {
57 simgrid::surf::on_cluster.disconnect_all_slots();
58 simgrid::surf::on_postparse.disconnect_all_slots();
60 /* make sure that we will reinit the models while loading the platf once reinited */
61 surf_parse_models_setup_already_called = 0;
62 surf_parse_lex_destroy();
65 /** @brief Add an host to the current AS */
66 void sg_platf_new_host(sg_platf_host_cbarg_t args)
68 simgrid::s4u::Host* host = routing_get_current()->createHost(args->id, &args->speed_per_pstate, args->core_amount);
70 new simgrid::surf::HostImpl(host, mount_list);
71 xbt_lib_set(storage_lib, args->id, ROUTING_STORAGE_HOST_LEVEL, static_cast<void*>(mount_list));
74 if (args->properties) {
75 xbt_dict_cursor_t cursor=nullptr;
77 xbt_dict_foreach (args->properties, cursor, key, data)
78 host->setProperty(key, data);
79 xbt_dict_free(&args->properties);
82 /* Change from the defaults */
83 if (args->state_trace)
84 host->pimpl_cpu->setStateTrace(args->state_trace);
85 if (args->speed_trace)
86 host->pimpl_cpu->setSpeedTrace(args->speed_trace);
87 if (args->pstate != 0)
88 host->pimpl_cpu->setPState(args->pstate);
89 if (args->coord && strcmp(args->coord, ""))
90 new simgrid::kernel::routing::vivaldi::Coords(host->pimpl_netcard, args->coord);
92 simgrid::s4u::Host::onCreation(*host);
94 if (TRACE_is_enabled() && TRACE_needs_platform())
95 sg_instr_new_host(*host);
98 /** @brief Add a "router" to the network element list */
99 void sg_platf_new_router(sg_platf_router_cbarg_t router)
101 simgrid::kernel::routing::NetZoneImpl* current_routing = routing_get_current();
103 if (current_routing->hierarchy_ == simgrid::kernel::routing::NetZoneImpl::RoutingMode::unset)
104 current_routing->hierarchy_ = simgrid::kernel::routing::NetZoneImpl::RoutingMode::base;
105 xbt_assert(nullptr == simgrid::s4u::Engine::instance()->netcardByNameOrNull(router->id),
106 "Refusing to create a router named '%s': this name already describes a node.", router->id);
108 simgrid::kernel::routing::NetCard* netcard =
109 new simgrid::kernel::routing::NetCard(router->id, simgrid::kernel::routing::NetCard::Type::Router, current_routing);
110 XBT_DEBUG("Router '%s' has the id %d", router->id, netcard->id());
112 if (router->coord && strcmp(router->coord, ""))
113 new simgrid::kernel::routing::vivaldi::Coords(netcard, router->coord);
115 auto cluster = dynamic_cast<simgrid::kernel::routing::ClusterZone*>(current_routing);
116 if(cluster != nullptr)
117 cluster->router_ = simgrid::s4u::Engine::instance()->netcardByNameOrNull(router->id);
119 if (TRACE_is_enabled() && TRACE_needs_platform())
120 sg_instr_new_router(router);
123 void sg_platf_new_link(sg_platf_link_cbarg_t link){
124 std::vector<char*> names;
126 if (link->policy == SURF_LINK_FULLDUPLEX) {
127 names.push_back(bprintf("%s_UP", link->id));
128 names.push_back(bprintf("%s_DOWN", link->id));
130 names.push_back(xbt_strdup(link->id));
132 for (auto link_name : names) {
133 Link* l = surf_network_model->createLink(link_name, link->bandwidth, link->latency, link->policy);
135 if (link->properties) {
136 xbt_dict_cursor_t cursor = nullptr;
138 xbt_dict_foreach (link->properties, cursor, key, data)
139 l->setProperty(key, data);
140 xbt_dict_free(&link->properties);
143 if (link->latency_trace)
144 l->setLatencyTrace(link->latency_trace);
145 if (link->bandwidth_trace)
146 l->setBandwidthTrace(link->bandwidth_trace);
147 if (link->state_trace)
148 l->setStateTrace(link->state_trace);
154 void sg_platf_new_cluster(sg_platf_cluster_cbarg_t cluster)
156 using simgrid::kernel::routing::ClusterZone;
157 using simgrid::kernel::routing::DragonflyZone;
158 using simgrid::kernel::routing::FatTreeZone;
159 using simgrid::kernel::routing::TorusZone;
163 s_sg_platf_link_cbarg_t link;
165 // What an inventive way of initializing the AS that I have as ancestor :-(
166 s_sg_platf_AS_cbarg_t AS;
168 switch (cluster->topology) {
169 case SURF_CLUSTER_TORUS:
170 AS.routing = A_surfxml_AS_routing_ClusterTorus;
172 case SURF_CLUSTER_DRAGONFLY:
173 AS.routing = A_surfxml_AS_routing_ClusterDragonfly;
175 case SURF_CLUSTER_FAT_TREE:
176 AS.routing = A_surfxml_AS_routing_ClusterFatTree;
179 AS.routing = A_surfxml_AS_routing_Cluster;
182 sg_platf_new_AS_begin(&AS);
183 simgrid::kernel::routing::ClusterZone* current_as = static_cast<ClusterZone*>(routing_get_current());
184 current_as->parse_specific_arguments(cluster);
186 if(cluster->loopback_bw!=0 || cluster->loopback_lat!=0){
187 current_as->linkCountPerNode_++;
188 current_as->hasLoopback_ = 1;
191 if(cluster->limiter_link!=0){
192 current_as->linkCountPerNode_++;
193 current_as->hasLimiter_ = 1;
196 for (int i : *cluster->radicals) {
197 char * host_id = bprintf("%s%d%s", cluster->prefix, i, cluster->suffix);
198 char * link_id = bprintf("%s_link_%d", cluster->id, i);
200 XBT_DEBUG("<host\tid=\"%s\"\tpower=\"%f\">", host_id, cluster->speed);
202 s_sg_platf_host_cbarg_t host;
203 memset(&host, 0, sizeof(host));
205 if ((cluster->properties != nullptr) && (!xbt_dict_is_empty(cluster->properties))) {
206 xbt_dict_cursor_t cursor=nullptr;
208 host.properties = xbt_dict_new_homogeneous(free);
210 xbt_dict_foreach(cluster->properties,cursor,key,data) {
211 xbt_dict_set(host.properties, key, xbt_strdup(data), nullptr);
215 host.speed_per_pstate.push_back(cluster->speed);
217 host.core_amount = cluster->core_amount;
219 sg_platf_new_host(&host);
220 XBT_DEBUG("</host>");
222 XBT_DEBUG("<link\tid=\"%s\"\tbw=\"%f\"\tlat=\"%f\"/>", link_id, cluster->bw, cluster->lat);
224 // All links are saved in a matrix;
225 // every row describes a single node; every node may have multiple links.
226 // the first column may store a link from x to x if p_has_loopback is set
227 // the second column may store a limiter link if p_has_limiter is set
228 // other columns are to store one or more link for the node
230 //add a loopback link
231 Link* linkUp = nullptr;
232 Link* linkDown = nullptr;
233 if(cluster->loopback_bw!=0 || cluster->loopback_lat!=0){
234 char *tmp_link = bprintf("%s_loopback", link_id);
235 XBT_DEBUG("<loopback\tid=\"%s\"\tbw=\"%f\"/>", tmp_link, cluster->loopback_bw);
237 memset(&link, 0, sizeof(link));
239 link.bandwidth = cluster->loopback_bw;
240 link.latency = cluster->loopback_lat;
241 link.policy = SURF_LINK_FATPIPE;
242 sg_platf_new_link(&link);
243 linkUp = Link::byName(tmp_link);
244 linkDown = Link::byName(tmp_link);
247 auto as_cluster = static_cast<ClusterZone*>(current_as);
248 as_cluster->privateLinks_.insert({rankId * as_cluster->linkCountPerNode_, {linkUp, linkDown}});
251 //add a limiter link (shared link to account for maximal bandwidth of the node)
254 if(cluster->limiter_link!=0){
255 char *tmp_link = bprintf("%s_limiter", link_id);
256 XBT_DEBUG("<limiter\tid=\"%s\"\tbw=\"%f\"/>", tmp_link, cluster->limiter_link);
258 memset(&link, 0, sizeof(link));
260 link.bandwidth = cluster->limiter_link;
262 link.policy = SURF_LINK_SHARED;
263 sg_platf_new_link(&link);
264 linkUp = linkDown = Link::byName(tmp_link);
266 current_as->privateLinks_.insert(
267 {rankId * current_as->linkCountPerNode_ + current_as->hasLoopback_, {linkUp, linkDown}});
270 //call the cluster function that adds the others links
271 if (cluster->topology == SURF_CLUSTER_FAT_TREE) {
272 static_cast<FatTreeZone*>(current_as)->addProcessingNode(i);
275 current_as->create_links_for_node(cluster, i, rankId,
276 rankId*current_as->linkCountPerNode_ + current_as->hasLoopback_ + current_as->hasLimiter_ );
283 // Add a router. It is magically used thanks to the way in which surf_routing_cluster is written,
284 // and it's very useful to connect clusters together
286 XBT_DEBUG("<router id=\"%s\"/>", cluster->router_id);
287 char *newid = nullptr;
288 s_sg_platf_router_cbarg_t router;
289 memset(&router, 0, sizeof(router));
290 router.id = cluster->router_id;
291 if (!router.id || !strcmp(router.id, ""))
292 router.id = newid = bprintf("%s%s_router%s", cluster->prefix, cluster->id, cluster->suffix);
293 sg_platf_new_router(&router);
294 current_as->router_ = simgrid::s4u::Engine::instance()->netcardByNameOrNull(router.id);
298 if ((cluster->bb_bw != 0) || (cluster->bb_lat != 0)) {
300 memset(&link, 0, sizeof(link));
301 link.id = bprintf("%s_backbone", cluster->id);
302 link.bandwidth = cluster->bb_bw;
303 link.latency = cluster->bb_lat;
304 link.policy = cluster->bb_sharing_policy;
306 XBT_DEBUG("<link\tid=\"%s\" bw=\"%f\" lat=\"%f\"/>", link.id, cluster->bb_bw, cluster->bb_lat);
307 sg_platf_new_link(&link);
309 routing_cluster_add_backbone(Link::byName(link.id));
310 free((char*)link.id);
314 sg_platf_new_AS_seal();
316 simgrid::surf::on_cluster(cluster);
317 delete cluster->radicals;
319 void routing_cluster_add_backbone(simgrid::surf::Link* bb) {
320 simgrid::kernel::routing::ClusterZone* cluster =
321 dynamic_cast<simgrid::kernel::routing::ClusterZone*>(current_routing);
323 xbt_assert(cluster, "Only hosts from Cluster can get a backbone.");
324 xbt_assert(nullptr == cluster->backbone_, "Cluster %s already has a backbone link!", cluster->name());
326 cluster->backbone_ = bb;
327 XBT_DEBUG("Add a backbone to AS '%s'", current_routing->name());
330 void sg_platf_new_cabinet(sg_platf_cabinet_cbarg_t cabinet)
332 for (int radical : *cabinet->radicals) {
333 char *hostname = bprintf("%s%d%s", cabinet->prefix, radical, cabinet->suffix);
334 s_sg_platf_host_cbarg_t host;
335 memset(&host, 0, sizeof(host));
337 host.core_amount = 1;
339 host.speed_per_pstate.push_back(cabinet->speed);
340 sg_platf_new_host(&host);
342 s_sg_platf_link_cbarg_t link;
343 memset(&link, 0, sizeof(link));
344 link.policy = SURF_LINK_FULLDUPLEX;
345 link.latency = cabinet->lat;
346 link.bandwidth = cabinet->bw;
347 link.id = bprintf("link_%s",hostname);
348 sg_platf_new_link(&link);
349 free((char*)link.id);
351 s_sg_platf_host_link_cbarg_t host_link;
352 memset(&host_link, 0, sizeof(host_link));
353 host_link.id = hostname;
354 host_link.link_up = bprintf("link_%s_UP",hostname);
355 host_link.link_down = bprintf("link_%s_DOWN",hostname);
356 sg_platf_new_hostlink(&host_link);
357 free((char*)host_link.link_up);
358 free((char*)host_link.link_down);
362 delete cabinet->radicals;
365 void sg_platf_new_storage(sg_platf_storage_cbarg_t storage)
367 xbt_assert(!xbt_lib_get_or_null(storage_lib, storage->id,ROUTING_STORAGE_LEVEL),
368 "Refusing to add a second storage named \"%s\"", storage->id);
370 void* stype = xbt_lib_get_or_null(storage_type_lib, storage->type_id,ROUTING_STORAGE_TYPE_LEVEL);
371 xbt_assert(stype,"No storage type '%s'", storage->type_id);
373 XBT_DEBUG("ROUTING Create a storage name '%s' with type_id '%s' and content '%s'",
378 xbt_lib_set(storage_lib, storage->id, ROUTING_STORAGE_LEVEL, (void *) xbt_strdup(storage->type_id));
380 // if storage content is not specified use the content of storage_type if any
381 if(!strcmp(storage->content,"") && strcmp(((storage_type_t) stype)->content,"")){
382 storage->content = ((storage_type_t) stype)->content;
383 storage->content_type = ((storage_type_t) stype)->content_type;
384 XBT_DEBUG("For disk '%s' content is empty, inherit the content (of type %s) from storage type '%s' ",
385 storage->id,((storage_type_t) stype)->content_type,
386 ((storage_type_t) stype)->type_id);
389 XBT_DEBUG("SURF storage create resource\n\t\tid '%s'\n\t\ttype '%s' "
390 "\n\t\tmodel '%s' \n\t\tcontent '%s'\n\t\tcontent_type '%s' "
391 "\n\t\tproperties '%p''\n",
393 ((storage_type_t) stype)->model,
394 ((storage_type_t) stype)->type_id,
396 storage->content_type,
397 storage->properties);
399 auto s = surf_storage_model->createStorage(storage->id, ((storage_type_t)stype)->type_id, storage->content,
400 storage->content_type, storage->attach);
402 if (storage->properties) {
403 xbt_dict_cursor_t cursor = nullptr;
405 xbt_dict_foreach (storage->properties, cursor, key, data)
406 s->setProperty(key, data);
407 xbt_dict_free(&storage->properties);
410 void sg_platf_new_storage_type(sg_platf_storage_type_cbarg_t storage_type){
412 xbt_assert(!xbt_lib_get_or_null(storage_type_lib, storage_type->id,ROUTING_STORAGE_TYPE_LEVEL),
413 "Reading a storage type, processing unit \"%s\" already exists", storage_type->id);
415 storage_type_t stype = xbt_new0(s_storage_type_t, 1);
416 stype->model = xbt_strdup(storage_type->model);
417 stype->properties = storage_type->properties;
418 stype->content = xbt_strdup(storage_type->content);
419 stype->content_type = xbt_strdup(storage_type->content_type);
420 stype->type_id = xbt_strdup(storage_type->id);
421 stype->size = storage_type->size;
422 stype->model_properties = storage_type->model_properties;
424 XBT_DEBUG("ROUTING Create a storage type id '%s' with model '%s', "
425 "content '%s', and content_type '%s'",
428 storage_type->content,
429 storage_type->content_type);
431 xbt_lib_set(storage_type_lib,
433 ROUTING_STORAGE_TYPE_LEVEL,
437 static void mount_free(void *p)
439 mount_t mnt = (mount_t) p;
443 void sg_platf_new_mount(sg_platf_mount_cbarg_t mount){
444 xbt_assert(xbt_lib_get_or_null(storage_lib, mount->storageId, ROUTING_STORAGE_LEVEL),
445 "Cannot mount non-existent disk \"%s\"", mount->storageId);
447 XBT_DEBUG("ROUTING Mount '%s' on '%s'",mount->storageId, mount->name);
450 mnt.storage = surf_storage_resource_priv(surf_storage_resource_by_name(mount->storageId));
451 mnt.name = xbt_strdup(mount->name);
454 XBT_DEBUG("Create a Mount list for %s",A_surfxml_host_id);
455 mount_list = xbt_dynar_new(sizeof(s_mount_t), mount_free);
457 xbt_dynar_push(mount_list, &mnt);
460 void sg_platf_new_route(sg_platf_route_cbarg_t route)
462 routing_get_current()->addRoute(route);
465 void sg_platf_new_bypassRoute(sg_platf_route_cbarg_t bypassRoute)
467 routing_get_current()->addBypassRoute(bypassRoute);
470 void sg_platf_new_process(sg_platf_process_cbarg_t process)
472 sg_host_t host = sg_host_by_name(process->host);
474 // The requested host does not exist. Do a nice message to the user
475 char *tmp = bprintf("Cannot create process '%s': host '%s' does not exist\nExisting hosts: '",process->function, process->host);
476 xbt_strbuff_t msg = xbt_strbuff_new_from(tmp);
478 xbt_dynar_t all_hosts = xbt_dynar_sort_strings(sg_hosts_as_dynar());
479 simgrid::s4u::Host* host;
481 xbt_dynar_foreach(all_hosts,cursor, host) {
482 xbt_strbuff_append(msg, host->cname());
483 xbt_strbuff_append(msg,"', '");
484 if (msg->used > 1024) {
485 msg->data[msg->used-3]='\0';
488 xbt_strbuff_append(msg," ...(list truncated)......");// That will be shortened by 3 chars when existing the loop
492 msg->data[msg->used-3]='\0';
493 xbt_die("%s", msg->data);
495 simgrid::simix::ActorCodeFactory& factory = SIMIX_get_actor_code_factory(process->function);
496 xbt_assert(factory, "Function '%s' unknown", process->function);
498 double start_time = process->start_time;
499 double kill_time = process->kill_time;
500 int auto_restart = process->on_failure == SURF_PROCESS_ON_FAILURE_DIE ? 0 : 1;
502 std::vector<std::string> args(process->argv, process->argv + process->argc);
503 std::function<void()> code = factory(std::move(args));
505 smx_process_arg_t arg = nullptr;
506 smx_actor_t process_created = nullptr;
508 arg = new simgrid::simix::ProcessArg();
509 arg->name = std::string(process->argv[0]);
513 arg->kill_time = kill_time;
514 arg->properties = current_property_set;
516 sg_host_simix(host)->boot_processes.push_back(arg);
518 if (start_time > SIMIX_get_clock()) {
520 arg = new simgrid::simix::ProcessArg();
521 arg->name = std::string(process->argv[0]);
522 arg->code = std::move(code);
525 arg->kill_time = kill_time;
526 arg->properties = current_property_set;
528 XBT_DEBUG("Process %s@%s will be started at time %f", arg->name.c_str(), arg->host->cname(), start_time);
529 SIMIX_timer_set(start_time, [=]() {
530 simix_global->create_process_function(
532 std::move(arg->code),
541 } else { // start_time <= SIMIX_get_clock()
542 XBT_DEBUG("Starting Process %s(%s) right now", arg->name.c_str(), host->cname());
544 process_created = simix_global->create_process_function(
545 arg->name.c_str(), std::move(code), nullptr,
547 current_property_set, auto_restart, nullptr);
549 /* verify if process has been created (won't be the case if the host is currently dead, but that's fine) */
550 if (!process_created) {
554 current_property_set = nullptr;
557 void sg_platf_new_peer(sg_platf_peer_cbarg_t peer)
559 simgrid::kernel::routing::VivaldiZone* as = dynamic_cast<simgrid::kernel::routing::VivaldiZone*>(current_routing);
560 xbt_assert(as, "<peer> tag can only be used in Vivaldi ASes");
562 std::vector<double> speedPerPstate;
563 speedPerPstate.push_back(peer->speed);
564 simgrid::s4u::Host* host = as->createHost(peer->id, &speedPerPstate, 1);
566 as->setPeerLink(host->pimpl_netcard, peer->bw_in, peer->bw_out, peer->lat, peer->coord);
567 simgrid::s4u::Host::onCreation(*host);
569 /* Change from the defaults */
570 if (peer->state_trace)
571 host->pimpl_cpu->setStateTrace(peer->state_trace);
572 if (peer->speed_trace)
573 host->pimpl_cpu->setSpeedTrace(peer->speed_trace);
576 void sg_platf_begin() { /* Do nothing: just for symmetry of user code */ }
578 void sg_platf_end() {
579 simgrid::surf::on_postparse();
582 /* Pick the right models for CPU, net and host, and call their model_init_preparse */
583 static void surf_config_models_setup()
585 const char* host_model_name = xbt_cfg_get_string("host/model");
586 const char* network_model_name = xbt_cfg_get_string("network/model");
587 const char* cpu_model_name = xbt_cfg_get_string("cpu/model");
588 const char* storage_model_name = xbt_cfg_get_string("storage/model");
590 /* The compound host model is needed when using non-default net/cpu models */
591 if ((!xbt_cfg_is_default_value("network/model") || !xbt_cfg_is_default_value("cpu/model")) &&
592 xbt_cfg_is_default_value("host/model")) {
593 host_model_name = "compound";
594 xbt_cfg_set_string("host/model", host_model_name);
597 XBT_DEBUG("host model: %s", host_model_name);
598 if (!strcmp(host_model_name, "compound")) {
599 xbt_assert(cpu_model_name, "Set a cpu model to use with the 'compound' host model");
600 xbt_assert(network_model_name, "Set a network model to use with the 'compound' host model");
602 int cpu_id = find_model_description(surf_cpu_model_description, cpu_model_name);
603 surf_cpu_model_description[cpu_id].model_init_preparse();
605 int network_id = find_model_description(surf_network_model_description, network_model_name);
606 surf_network_model_description[network_id].model_init_preparse();
609 XBT_DEBUG("Call host_model_init");
610 int host_id = find_model_description(surf_host_model_description, host_model_name);
611 surf_host_model_description[host_id].model_init_preparse();
613 XBT_DEBUG("Call vm_model_init");
614 surf_vm_model_init_HL13();
616 XBT_DEBUG("Call storage_model_init");
617 int storage_id = find_model_description(surf_storage_model_description, storage_model_name);
618 surf_storage_model_description[storage_id].model_init_preparse();
622 * \brief Add an AS to the platform
624 * Add a new autonomous system to the platform. Any elements (such as host,
625 * router or sub-AS) added after this call and before the corresponding call
626 * to sg_platf_new_AS_seal() will be added to this AS.
628 * Once this function was called, the configuration concerning the used
629 * models cannot be changed anymore.
631 * @param AS the parameters defining the AS to build.
633 simgrid::s4u::NetZone* sg_platf_new_AS_begin(sg_platf_AS_cbarg_t AS)
635 if (!surf_parse_models_setup_already_called) {
636 /* Initialize the surf models. That must be done after we got all config, and before we need the models.
637 * That is, after the last <config> tag, if any, and before the first of cluster|peer|AS|trace|trace_connect
639 * I'm not sure for <trace> and <trace_connect>, there may be a bug here
640 * (FIXME: check it out by creating a file beginning with one of these tags)
641 * but cluster and peer create ASes internally, so putting the code in there is ok.
643 surf_parse_models_setup_already_called = 1;
644 surf_config_models_setup();
647 _sg_cfg_init_status = 2; /* HACK: direct access to the global controlling the level of configuration to prevent
648 * any further config now that we created some real content */
651 /* search the routing model */
652 simgrid::kernel::routing::NetZoneImpl* new_as = nullptr;
654 case A_surfxml_AS_routing_Cluster:
655 new_as = new simgrid::kernel::routing::ClusterZone(current_routing, AS->id);
657 case A_surfxml_AS_routing_ClusterDragonfly:
658 new_as = new simgrid::kernel::routing::DragonflyZone(current_routing, AS->id);
660 case A_surfxml_AS_routing_ClusterTorus:
661 new_as = new simgrid::kernel::routing::TorusZone(current_routing, AS->id);
663 case A_surfxml_AS_routing_ClusterFatTree:
664 new_as = new simgrid::kernel::routing::FatTreeZone(current_routing, AS->id);
666 case A_surfxml_AS_routing_Dijkstra:
667 new_as = new simgrid::kernel::routing::DijkstraZone(current_routing, AS->id, 0);
669 case A_surfxml_AS_routing_DijkstraCache:
670 new_as = new simgrid::kernel::routing::DijkstraZone(current_routing, AS->id, 1);
672 case A_surfxml_AS_routing_Floyd:
673 new_as = new simgrid::kernel::routing::FloydZone(current_routing, AS->id);
675 case A_surfxml_AS_routing_Full:
676 new_as = new simgrid::kernel::routing::FullZone(current_routing, AS->id);
678 case A_surfxml_AS_routing_None:
679 new_as = new simgrid::kernel::routing::EmptyZone(current_routing, AS->id);
681 case A_surfxml_AS_routing_Vivaldi:
682 new_as = new simgrid::kernel::routing::VivaldiZone(current_routing, AS->id);
685 xbt_die("Not a valid model!");
689 if (current_routing == nullptr) { /* it is the first one */
690 xbt_assert(simgrid::s4u::Engine::instance()->pimpl->netRoot_ == nullptr,
691 "All defined components must belong to a AS");
692 simgrid::s4u::Engine::instance()->pimpl->netRoot_ = new_as;
695 /* set the father behavior */
696 if (current_routing->hierarchy_ == simgrid::kernel::routing::NetZoneImpl::RoutingMode::unset)
697 current_routing->hierarchy_ = simgrid::kernel::routing::NetZoneImpl::RoutingMode::recursive;
698 /* add to the sons dictionary */
699 xbt_dict_set(current_routing->children(), AS->id, (void *) new_as, nullptr);
702 /* set the new current component of the tree */
703 current_routing = new_as;
705 if (TRACE_is_enabled())
706 sg_instr_AS_begin(AS);
712 * \brief Specify that the description of the current AS is finished
714 * Once you've declared all the content of your AS, you have to seal
715 * it with this call. Your AS is not usable until you call this function.
717 void sg_platf_new_AS_seal()
719 xbt_assert(current_routing, "Cannot seal the current AS: none under construction");
720 current_routing->seal();
721 current_routing = static_cast<simgrid::kernel::routing::NetZoneImpl*>(current_routing->father());
723 if (TRACE_is_enabled())
727 /** @brief Add a link connecting an host to the rest of its AS (which must be cluster or vivaldi) */
728 void sg_platf_new_hostlink(sg_platf_host_link_cbarg_t hostlink)
730 simgrid::kernel::routing::NetCard *netcard = sg_host_by_name(hostlink->id)->pimpl_netcard;
731 xbt_assert(netcard, "Host '%s' not found!", hostlink->id);
732 xbt_assert(dynamic_cast<simgrid::kernel::routing::ClusterZone*>(current_routing),
733 "Only hosts from Cluster and Vivaldi ASes can get an host_link.");
735 simgrid::surf::Link* linkUp = Link::byName(hostlink->link_up);
736 simgrid::surf::Link* linkDown = Link::byName(hostlink->link_down);
738 xbt_assert(linkUp, "Link '%s' not found!", hostlink->link_up);
739 xbt_assert(linkDown, "Link '%s' not found!", hostlink->link_down);
741 auto as_cluster = static_cast<simgrid::kernel::routing::ClusterZone*>(current_routing);
743 if (as_cluster->privateLinks_.find(netcard->id()) != as_cluster->privateLinks_.end())
744 surf_parse_error("Host_link for '%s' is already defined!",hostlink->id);
746 XBT_DEBUG("Push Host_link for host '%s' to position %d", netcard->cname(), netcard->id());
747 as_cluster->privateLinks_.insert({netcard->id(), {linkUp, linkDown}});
750 void sg_platf_new_trace(sg_platf_trace_cbarg_t trace)
752 tmgr_trace_t tmgr_trace;
753 if (trace->file && strcmp(trace->file, "") != 0) {
754 tmgr_trace = tmgr_trace_new_from_file(trace->file);
756 xbt_assert(strcmp(trace->pc_data, ""),
757 "Trace '%s' must have either a content, or point to a file on disk.",trace->id);
758 tmgr_trace = tmgr_trace_new_from_string(trace->id, trace->pc_data, trace->periodicity);
760 xbt_dict_set(traces_set_list, trace->id, static_cast<void*>(tmgr_trace), nullptr);