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_link_cbarg_t)> on_link;
37 simgrid::xbt::signal<void(sg_platf_cluster_cbarg_t)> on_cluster;
38 simgrid::xbt::signal<void(void)> on_postparse;
43 static int surf_parse_models_setup_already_called = 0;
45 /** The current AS in the parsing */
46 static simgrid::kernel::routing::NetZoneImpl* current_routing = nullptr;
47 static simgrid::kernel::routing::NetZoneImpl* routing_get_current()
49 return current_routing;
52 /** Module management function: creates all internal data structures */
53 void sg_platf_init() {
56 /** Module management function: frees all internal data structures */
57 void sg_platf_exit() {
58 simgrid::surf::on_link.disconnect_all_slots();
59 simgrid::surf::on_cluster.disconnect_all_slots();
60 simgrid::surf::on_postparse.disconnect_all_slots();
62 /* make sure that we will reinit the models while loading the platf once reinited */
63 surf_parse_models_setup_already_called = 0;
64 surf_parse_lex_destroy();
67 /** @brief Add an host to the current AS */
68 void sg_platf_new_host(sg_platf_host_cbarg_t args)
70 simgrid::s4u::Host* host = routing_get_current()->createHost(args->id, &args->speed_per_pstate, args->core_amount);
72 new simgrid::surf::HostImpl(host, mount_list);
73 xbt_lib_set(storage_lib, args->id, ROUTING_STORAGE_HOST_LEVEL, static_cast<void*>(mount_list));
76 if (args->properties) {
77 xbt_dict_cursor_t cursor=nullptr;
79 xbt_dict_foreach (args->properties, cursor, key, data)
80 host->setProperty(key, data);
81 xbt_dict_free(&args->properties);
84 /* Change from the defaults */
85 if (args->state_trace)
86 host->pimpl_cpu->setStateTrace(args->state_trace);
87 if (args->speed_trace)
88 host->pimpl_cpu->setSpeedTrace(args->speed_trace);
89 if (args->pstate != 0)
90 host->pimpl_cpu->setPState(args->pstate);
91 if (args->coord && strcmp(args->coord, ""))
92 new simgrid::kernel::routing::vivaldi::Coords(host->pimpl_netcard, args->coord);
94 simgrid::s4u::Host::onCreation(*host);
96 if (TRACE_is_enabled() && TRACE_needs_platform())
97 sg_instr_new_host(*host);
100 /** @brief Add a "router" to the network element list */
101 void sg_platf_new_router(sg_platf_router_cbarg_t router)
103 simgrid::kernel::routing::NetZoneImpl* current_routing = routing_get_current();
105 if (current_routing->hierarchy_ == simgrid::kernel::routing::NetZoneImpl::RoutingMode::unset)
106 current_routing->hierarchy_ = simgrid::kernel::routing::NetZoneImpl::RoutingMode::base;
107 xbt_assert(nullptr == simgrid::s4u::Engine::instance()->netcardByNameOrNull(router->id),
108 "Refusing to create a router named '%s': this name already describes a node.", router->id);
110 simgrid::kernel::routing::NetCard* netcard =
111 new simgrid::kernel::routing::NetCard(router->id, simgrid::kernel::routing::NetCard::Type::Router, current_routing);
112 XBT_DEBUG("Router '%s' has the id %d", router->id, netcard->id());
114 if (router->coord && strcmp(router->coord, ""))
115 new simgrid::kernel::routing::vivaldi::Coords(netcard, router->coord);
117 auto cluster = dynamic_cast<simgrid::kernel::routing::ClusterZone*>(current_routing);
118 if(cluster != nullptr)
119 cluster->router_ = simgrid::s4u::Engine::instance()->netcardByNameOrNull(router->id);
121 if (TRACE_is_enabled() && TRACE_needs_platform())
122 sg_instr_new_router(router);
125 void sg_platf_new_link(sg_platf_link_cbarg_t link){
126 std::vector<char*> names;
128 if (link->policy == SURF_LINK_FULLDUPLEX) {
129 names.push_back(bprintf("%s_UP", link->id));
130 names.push_back(bprintf("%s_DOWN", link->id));
132 names.push_back(xbt_strdup(link->id));
134 for (auto link_name : names) {
135 Link* l = surf_network_model->createLink(link_name, link->bandwidth, link->latency, link->policy);
137 if (link->properties) {
138 xbt_dict_cursor_t cursor = nullptr;
140 xbt_dict_foreach (link->properties, cursor, key, data)
141 l->setProperty(key, data);
142 xbt_dict_free(&link->properties);
145 if (link->latency_trace)
146 l->setLatencyTrace(link->latency_trace);
147 if (link->bandwidth_trace)
148 l->setBandwidthTrace(link->bandwidth_trace);
149 if (link->state_trace)
150 l->setStateTrace(link->state_trace);
155 simgrid::surf::on_link(link);
158 void sg_platf_new_cluster(sg_platf_cluster_cbarg_t cluster)
160 using simgrid::kernel::routing::ClusterZone;
161 using simgrid::kernel::routing::DragonflyZone;
162 using simgrid::kernel::routing::FatTreeZone;
163 using simgrid::kernel::routing::TorusZone;
167 s_sg_platf_link_cbarg_t link;
169 // What an inventive way of initializing the AS that I have as ancestor :-(
170 s_sg_platf_AS_cbarg_t AS;
172 switch (cluster->topology) {
173 case SURF_CLUSTER_TORUS:
174 AS.routing = A_surfxml_AS_routing_ClusterTorus;
176 case SURF_CLUSTER_DRAGONFLY:
177 AS.routing = A_surfxml_AS_routing_ClusterDragonfly;
179 case SURF_CLUSTER_FAT_TREE:
180 AS.routing = A_surfxml_AS_routing_ClusterFatTree;
183 AS.routing = A_surfxml_AS_routing_Cluster;
186 sg_platf_new_AS_begin(&AS);
187 simgrid::kernel::routing::ClusterZone* current_as = static_cast<ClusterZone*>(routing_get_current());
188 current_as->parse_specific_arguments(cluster);
190 if(cluster->loopback_bw!=0 || cluster->loopback_lat!=0){
191 current_as->linkCountPerNode_++;
192 current_as->hasLoopback_ = 1;
195 if(cluster->limiter_link!=0){
196 current_as->linkCountPerNode_++;
197 current_as->hasLimiter_ = 1;
200 for (int i : *cluster->radicals) {
201 char * host_id = bprintf("%s%d%s", cluster->prefix, i, cluster->suffix);
202 char * link_id = bprintf("%s_link_%d", cluster->id, i);
204 XBT_DEBUG("<host\tid=\"%s\"\tpower=\"%f\">", host_id, cluster->speed);
206 s_sg_platf_host_cbarg_t host;
207 memset(&host, 0, sizeof(host));
209 if ((cluster->properties != nullptr) && (!xbt_dict_is_empty(cluster->properties))) {
210 xbt_dict_cursor_t cursor=nullptr;
212 host.properties = xbt_dict_new_homogeneous(free);
214 xbt_dict_foreach(cluster->properties,cursor,key,data) {
215 xbt_dict_set(host.properties, key, xbt_strdup(data), nullptr);
219 host.speed_per_pstate.push_back(cluster->speed);
221 host.core_amount = cluster->core_amount;
223 sg_platf_new_host(&host);
224 XBT_DEBUG("</host>");
226 XBT_DEBUG("<link\tid=\"%s\"\tbw=\"%f\"\tlat=\"%f\"/>", link_id, cluster->bw, cluster->lat);
228 // All links are saved in a matrix;
229 // every row describes a single node; every node may have multiple links.
230 // the first column may store a link from x to x if p_has_loopback is set
231 // the second column may store a limiter link if p_has_limiter is set
232 // other columns are to store one or more link for the node
234 //add a loopback link
235 Link* linkUp = nullptr;
236 Link* linkDown = nullptr;
237 if(cluster->loopback_bw!=0 || cluster->loopback_lat!=0){
238 char *tmp_link = bprintf("%s_loopback", link_id);
239 XBT_DEBUG("<loopback\tid=\"%s\"\tbw=\"%f\"/>", tmp_link, cluster->loopback_bw);
241 memset(&link, 0, sizeof(link));
243 link.bandwidth = cluster->loopback_bw;
244 link.latency = cluster->loopback_lat;
245 link.policy = SURF_LINK_FATPIPE;
246 sg_platf_new_link(&link);
247 linkUp = Link::byName(tmp_link);
248 linkDown = Link::byName(tmp_link);
251 auto as_cluster = static_cast<ClusterZone*>(current_as);
252 as_cluster->privateLinks_.insert({rankId * as_cluster->linkCountPerNode_, {linkUp, linkDown}});
255 //add a limiter link (shared link to account for maximal bandwidth of the node)
258 if(cluster->limiter_link!=0){
259 char *tmp_link = bprintf("%s_limiter", link_id);
260 XBT_DEBUG("<limiter\tid=\"%s\"\tbw=\"%f\"/>", tmp_link, cluster->limiter_link);
262 memset(&link, 0, sizeof(link));
264 link.bandwidth = cluster->limiter_link;
266 link.policy = SURF_LINK_SHARED;
267 sg_platf_new_link(&link);
268 linkUp = linkDown = Link::byName(tmp_link);
270 current_as->privateLinks_.insert(
271 {rankId * current_as->linkCountPerNode_ + current_as->hasLoopback_, {linkUp, linkDown}});
274 //call the cluster function that adds the others links
275 if (cluster->topology == SURF_CLUSTER_FAT_TREE) {
276 static_cast<FatTreeZone*>(current_as)->addProcessingNode(i);
279 current_as->create_links_for_node(cluster, i, rankId,
280 rankId*current_as->linkCountPerNode_ + current_as->hasLoopback_ + current_as->hasLimiter_ );
287 // Add a router. It is magically used thanks to the way in which surf_routing_cluster is written,
288 // and it's very useful to connect clusters together
290 XBT_DEBUG("<router id=\"%s\"/>", cluster->router_id);
291 char *newid = nullptr;
292 s_sg_platf_router_cbarg_t router;
293 memset(&router, 0, sizeof(router));
294 router.id = cluster->router_id;
295 if (!router.id || !strcmp(router.id, ""))
296 router.id = newid = bprintf("%s%s_router%s", cluster->prefix, cluster->id, cluster->suffix);
297 sg_platf_new_router(&router);
298 current_as->router_ = simgrid::s4u::Engine::instance()->netcardByNameOrNull(router.id);
302 if ((cluster->bb_bw != 0) || (cluster->bb_lat != 0)) {
304 memset(&link, 0, sizeof(link));
305 link.id = bprintf("%s_backbone", cluster->id);
306 link.bandwidth = cluster->bb_bw;
307 link.latency = cluster->bb_lat;
308 link.policy = cluster->bb_sharing_policy;
310 XBT_DEBUG("<link\tid=\"%s\" bw=\"%f\" lat=\"%f\"/>", link.id, cluster->bb_bw, cluster->bb_lat);
311 sg_platf_new_link(&link);
313 routing_cluster_add_backbone(Link::byName(link.id));
314 free((char*)link.id);
318 sg_platf_new_AS_seal();
320 simgrid::surf::on_cluster(cluster);
321 delete cluster->radicals;
323 void routing_cluster_add_backbone(simgrid::surf::Link* bb) {
324 simgrid::kernel::routing::ClusterZone* cluster =
325 dynamic_cast<simgrid::kernel::routing::ClusterZone*>(current_routing);
327 xbt_assert(cluster, "Only hosts from Cluster can get a backbone.");
328 xbt_assert(nullptr == cluster->backbone_, "Cluster %s already has a backbone link!", cluster->name());
330 cluster->backbone_ = bb;
331 XBT_DEBUG("Add a backbone to AS '%s'", current_routing->name());
334 void sg_platf_new_cabinet(sg_platf_cabinet_cbarg_t cabinet)
336 for (int radical : *cabinet->radicals) {
337 char *hostname = bprintf("%s%d%s", cabinet->prefix, radical, cabinet->suffix);
338 s_sg_platf_host_cbarg_t host;
339 memset(&host, 0, sizeof(host));
341 host.core_amount = 1;
343 host.speed_per_pstate.push_back(cabinet->speed);
344 sg_platf_new_host(&host);
346 s_sg_platf_link_cbarg_t link;
347 memset(&link, 0, sizeof(link));
348 link.policy = SURF_LINK_FULLDUPLEX;
349 link.latency = cabinet->lat;
350 link.bandwidth = cabinet->bw;
351 link.id = bprintf("link_%s",hostname);
352 sg_platf_new_link(&link);
353 free((char*)link.id);
355 s_sg_platf_host_link_cbarg_t host_link;
356 memset(&host_link, 0, sizeof(host_link));
357 host_link.id = hostname;
358 host_link.link_up = bprintf("link_%s_UP",hostname);
359 host_link.link_down = bprintf("link_%s_DOWN",hostname);
360 sg_platf_new_hostlink(&host_link);
361 free((char*)host_link.link_up);
362 free((char*)host_link.link_down);
366 delete cabinet->radicals;
369 void sg_platf_new_storage(sg_platf_storage_cbarg_t storage)
371 xbt_assert(!xbt_lib_get_or_null(storage_lib, storage->id,ROUTING_STORAGE_LEVEL),
372 "Refusing to add a second storage named \"%s\"", storage->id);
374 void* stype = xbt_lib_get_or_null(storage_type_lib, storage->type_id,ROUTING_STORAGE_TYPE_LEVEL);
375 xbt_assert(stype,"No storage type '%s'", storage->type_id);
377 XBT_DEBUG("ROUTING Create a storage name '%s' with type_id '%s' and content '%s'",
382 xbt_lib_set(storage_lib, storage->id, ROUTING_STORAGE_LEVEL, (void *) xbt_strdup(storage->type_id));
384 // if storage content is not specified use the content of storage_type if any
385 if(!strcmp(storage->content,"") && strcmp(((storage_type_t) stype)->content,"")){
386 storage->content = ((storage_type_t) stype)->content;
387 storage->content_type = ((storage_type_t) stype)->content_type;
388 XBT_DEBUG("For disk '%s' content is empty, inherit the content (of type %s) from storage type '%s' ",
389 storage->id,((storage_type_t) stype)->content_type,
390 ((storage_type_t) stype)->type_id);
393 XBT_DEBUG("SURF storage create resource\n\t\tid '%s'\n\t\ttype '%s' "
394 "\n\t\tmodel '%s' \n\t\tcontent '%s'\n\t\tcontent_type '%s' "
395 "\n\t\tproperties '%p''\n",
397 ((storage_type_t) stype)->model,
398 ((storage_type_t) stype)->type_id,
400 storage->content_type,
401 storage->properties);
403 auto s = surf_storage_model->createStorage(storage->id, ((storage_type_t)stype)->type_id, storage->content,
404 storage->content_type, storage->attach);
406 if (storage->properties) {
407 xbt_dict_cursor_t cursor = nullptr;
409 xbt_dict_foreach (storage->properties, cursor, key, data)
410 s->setProperty(key, data);
411 xbt_dict_free(&storage->properties);
414 void sg_platf_new_storage_type(sg_platf_storage_type_cbarg_t storage_type){
416 xbt_assert(!xbt_lib_get_or_null(storage_type_lib, storage_type->id,ROUTING_STORAGE_TYPE_LEVEL),
417 "Reading a storage type, processing unit \"%s\" already exists", storage_type->id);
419 storage_type_t stype = xbt_new0(s_storage_type_t, 1);
420 stype->model = xbt_strdup(storage_type->model);
421 stype->properties = storage_type->properties;
422 stype->content = xbt_strdup(storage_type->content);
423 stype->content_type = xbt_strdup(storage_type->content_type);
424 stype->type_id = xbt_strdup(storage_type->id);
425 stype->size = storage_type->size;
426 stype->model_properties = storage_type->model_properties;
428 XBT_DEBUG("ROUTING Create a storage type id '%s' with model '%s', "
429 "content '%s', and content_type '%s'",
432 storage_type->content,
433 storage_type->content_type);
435 xbt_lib_set(storage_type_lib,
437 ROUTING_STORAGE_TYPE_LEVEL,
441 static void mount_free(void *p)
443 mount_t mnt = (mount_t) p;
447 void sg_platf_new_mount(sg_platf_mount_cbarg_t mount){
448 xbt_assert(xbt_lib_get_or_null(storage_lib, mount->storageId, ROUTING_STORAGE_LEVEL),
449 "Cannot mount non-existent disk \"%s\"", mount->storageId);
451 XBT_DEBUG("ROUTING Mount '%s' on '%s'",mount->storageId, mount->name);
454 mnt.storage = surf_storage_resource_priv(surf_storage_resource_by_name(mount->storageId));
455 mnt.name = xbt_strdup(mount->name);
458 XBT_DEBUG("Create a Mount list for %s",A_surfxml_host_id);
459 mount_list = xbt_dynar_new(sizeof(s_mount_t), mount_free);
461 xbt_dynar_push(mount_list, &mnt);
464 void sg_platf_new_route(sg_platf_route_cbarg_t route)
466 routing_get_current()->addRoute(route);
469 void sg_platf_new_bypassRoute(sg_platf_route_cbarg_t bypassRoute)
471 routing_get_current()->addBypassRoute(bypassRoute);
474 void sg_platf_new_process(sg_platf_process_cbarg_t process)
476 sg_host_t host = sg_host_by_name(process->host);
478 // The requested host does not exist. Do a nice message to the user
479 char *tmp = bprintf("Cannot create process '%s': host '%s' does not exist\nExisting hosts: '",process->function, process->host);
480 xbt_strbuff_t msg = xbt_strbuff_new_from(tmp);
482 xbt_dynar_t all_hosts = xbt_dynar_sort_strings(sg_hosts_as_dynar());
483 simgrid::s4u::Host* host;
485 xbt_dynar_foreach(all_hosts,cursor, host) {
486 xbt_strbuff_append(msg, host->cname());
487 xbt_strbuff_append(msg,"', '");
488 if (msg->used > 1024) {
489 msg->data[msg->used-3]='\0';
492 xbt_strbuff_append(msg," ...(list truncated)......");// That will be shortened by 3 chars when existing the loop
496 msg->data[msg->used-3]='\0';
497 xbt_die("%s", msg->data);
499 simgrid::simix::ActorCodeFactory& factory = SIMIX_get_actor_code_factory(process->function);
500 xbt_assert(factory, "Function '%s' unknown", process->function);
502 double start_time = process->start_time;
503 double kill_time = process->kill_time;
504 int auto_restart = process->on_failure == SURF_PROCESS_ON_FAILURE_DIE ? 0 : 1;
506 std::vector<std::string> args(process->argv, process->argv + process->argc);
507 std::function<void()> code = factory(std::move(args));
509 smx_process_arg_t arg = nullptr;
510 smx_actor_t process_created = nullptr;
512 arg = new simgrid::simix::ProcessArg();
513 arg->name = std::string(process->argv[0]);
517 arg->kill_time = kill_time;
518 arg->properties = current_property_set;
520 sg_host_simix(host)->boot_processes.push_back(arg);
522 if (start_time > SIMIX_get_clock()) {
524 arg = new simgrid::simix::ProcessArg();
525 arg->name = std::string(process->argv[0]);
526 arg->code = std::move(code);
529 arg->kill_time = kill_time;
530 arg->properties = current_property_set;
532 XBT_DEBUG("Process %s@%s will be started at time %f", arg->name.c_str(), arg->host->cname(), start_time);
533 SIMIX_timer_set(start_time, [=]() {
534 simix_global->create_process_function(
536 std::move(arg->code),
545 } else { // start_time <= SIMIX_get_clock()
546 XBT_DEBUG("Starting Process %s(%s) right now", arg->name.c_str(), host->cname());
548 process_created = simix_global->create_process_function(
549 arg->name.c_str(), std::move(code), nullptr,
551 current_property_set, auto_restart, nullptr);
553 /* verify if process has been created (won't be the case if the host is currently dead, but that's fine) */
554 if (!process_created) {
558 current_property_set = nullptr;
561 void sg_platf_new_peer(sg_platf_peer_cbarg_t peer)
563 simgrid::kernel::routing::VivaldiZone* as = dynamic_cast<simgrid::kernel::routing::VivaldiZone*>(current_routing);
564 xbt_assert(as, "<peer> tag can only be used in Vivaldi ASes");
566 std::vector<double> speedPerPstate;
567 speedPerPstate.push_back(peer->speed);
568 simgrid::s4u::Host* host = as->createHost(peer->id, &speedPerPstate, 1);
570 as->setPeerLink(host->pimpl_netcard, peer->bw_in, peer->bw_out, peer->lat, peer->coord);
571 simgrid::s4u::Host::onCreation(*host);
573 /* Change from the defaults */
574 if (peer->state_trace)
575 host->pimpl_cpu->setStateTrace(peer->state_trace);
576 if (peer->speed_trace)
577 host->pimpl_cpu->setSpeedTrace(peer->speed_trace);
580 void sg_platf_begin() { /* Do nothing: just for symmetry of user code */ }
582 void sg_platf_end() {
583 simgrid::surf::on_postparse();
586 /* Pick the right models for CPU, net and host, and call their model_init_preparse */
587 static void surf_config_models_setup()
589 const char* host_model_name = xbt_cfg_get_string("host/model");
590 const char* network_model_name = xbt_cfg_get_string("network/model");
591 const char* cpu_model_name = xbt_cfg_get_string("cpu/model");
592 const char* storage_model_name = xbt_cfg_get_string("storage/model");
594 /* The compound host model is needed when using non-default net/cpu models */
595 if ((!xbt_cfg_is_default_value("network/model") || !xbt_cfg_is_default_value("cpu/model")) &&
596 xbt_cfg_is_default_value("host/model")) {
597 host_model_name = "compound";
598 xbt_cfg_set_string("host/model", host_model_name);
601 XBT_DEBUG("host model: %s", host_model_name);
602 if (!strcmp(host_model_name, "compound")) {
603 xbt_assert(cpu_model_name, "Set a cpu model to use with the 'compound' host model");
604 xbt_assert(network_model_name, "Set a network model to use with the 'compound' host model");
606 int cpu_id = find_model_description(surf_cpu_model_description, cpu_model_name);
607 surf_cpu_model_description[cpu_id].model_init_preparse();
609 int network_id = find_model_description(surf_network_model_description, network_model_name);
610 surf_network_model_description[network_id].model_init_preparse();
613 XBT_DEBUG("Call host_model_init");
614 int host_id = find_model_description(surf_host_model_description, host_model_name);
615 surf_host_model_description[host_id].model_init_preparse();
617 XBT_DEBUG("Call vm_model_init");
618 surf_vm_model_init_HL13();
620 XBT_DEBUG("Call storage_model_init");
621 int storage_id = find_model_description(surf_storage_model_description, storage_model_name);
622 surf_storage_model_description[storage_id].model_init_preparse();
626 * \brief Add an AS to the platform
628 * Add a new autonomous system to the platform. Any elements (such as host,
629 * router or sub-AS) added after this call and before the corresponding call
630 * to sg_platf_new_AS_seal() will be added to this AS.
632 * Once this function was called, the configuration concerning the used
633 * models cannot be changed anymore.
635 * @param AS the parameters defining the AS to build.
637 simgrid::s4u::NetZone* sg_platf_new_AS_begin(sg_platf_AS_cbarg_t AS)
639 if (!surf_parse_models_setup_already_called) {
640 /* Initialize the surf models. That must be done after we got all config, and before we need the models.
641 * That is, after the last <config> tag, if any, and before the first of cluster|peer|AS|trace|trace_connect
643 * I'm not sure for <trace> and <trace_connect>, there may be a bug here
644 * (FIXME: check it out by creating a file beginning with one of these tags)
645 * but cluster and peer create ASes internally, so putting the code in there is ok.
647 surf_parse_models_setup_already_called = 1;
648 surf_config_models_setup();
651 _sg_cfg_init_status = 2; /* HACK: direct access to the global controlling the level of configuration to prevent
652 * any further config now that we created some real content */
655 /* search the routing model */
656 simgrid::kernel::routing::NetZoneImpl* new_as = nullptr;
658 case A_surfxml_AS_routing_Cluster:
659 new_as = new simgrid::kernel::routing::ClusterZone(current_routing, AS->id);
661 case A_surfxml_AS_routing_ClusterDragonfly:
662 new_as = new simgrid::kernel::routing::DragonflyZone(current_routing, AS->id);
664 case A_surfxml_AS_routing_ClusterTorus:
665 new_as = new simgrid::kernel::routing::TorusZone(current_routing, AS->id);
667 case A_surfxml_AS_routing_ClusterFatTree:
668 new_as = new simgrid::kernel::routing::FatTreeZone(current_routing, AS->id);
670 case A_surfxml_AS_routing_Dijkstra:
671 new_as = new simgrid::kernel::routing::DijkstraZone(current_routing, AS->id, 0);
673 case A_surfxml_AS_routing_DijkstraCache:
674 new_as = new simgrid::kernel::routing::DijkstraZone(current_routing, AS->id, 1);
676 case A_surfxml_AS_routing_Floyd:
677 new_as = new simgrid::kernel::routing::FloydZone(current_routing, AS->id);
679 case A_surfxml_AS_routing_Full:
680 new_as = new simgrid::kernel::routing::FullZone(current_routing, AS->id);
682 case A_surfxml_AS_routing_None:
683 new_as = new simgrid::kernel::routing::EmptyZone(current_routing, AS->id);
685 case A_surfxml_AS_routing_Vivaldi:
686 new_as = new simgrid::kernel::routing::VivaldiZone(current_routing, AS->id);
689 xbt_die("Not a valid model!");
693 if (current_routing == nullptr) { /* it is the first one */
694 xbt_assert(simgrid::s4u::Engine::instance()->pimpl->netRoot_ == nullptr,
695 "All defined components must belong to a AS");
696 simgrid::s4u::Engine::instance()->pimpl->netRoot_ = new_as;
699 /* set the father behavior */
700 if (current_routing->hierarchy_ == simgrid::kernel::routing::NetZoneImpl::RoutingMode::unset)
701 current_routing->hierarchy_ = simgrid::kernel::routing::NetZoneImpl::RoutingMode::recursive;
702 /* add to the sons dictionary */
703 xbt_dict_set(current_routing->children(), AS->id, (void *) new_as, nullptr);
706 /* set the new current component of the tree */
707 current_routing = new_as;
709 if (TRACE_is_enabled())
710 sg_instr_AS_begin(AS);
716 * \brief Specify that the description of the current AS is finished
718 * Once you've declared all the content of your AS, you have to seal
719 * it with this call. Your AS is not usable until you call this function.
721 void sg_platf_new_AS_seal()
723 xbt_assert(current_routing, "Cannot seal the current AS: none under construction");
724 current_routing->seal();
725 current_routing = static_cast<simgrid::kernel::routing::NetZoneImpl*>(current_routing->father());
727 if (TRACE_is_enabled())
731 /** @brief Add a link connecting an host to the rest of its AS (which must be cluster or vivaldi) */
732 void sg_platf_new_hostlink(sg_platf_host_link_cbarg_t hostlink)
734 simgrid::kernel::routing::NetCard *netcard = sg_host_by_name(hostlink->id)->pimpl_netcard;
735 xbt_assert(netcard, "Host '%s' not found!", hostlink->id);
736 xbt_assert(dynamic_cast<simgrid::kernel::routing::ClusterZone*>(current_routing),
737 "Only hosts from Cluster and Vivaldi ASes can get an host_link.");
739 simgrid::surf::Link* linkUp = Link::byName(hostlink->link_up);
740 simgrid::surf::Link* linkDown = Link::byName(hostlink->link_down);
742 xbt_assert(linkUp, "Link '%s' not found!", hostlink->link_up);
743 xbt_assert(linkDown, "Link '%s' not found!", hostlink->link_down);
745 auto as_cluster = static_cast<simgrid::kernel::routing::ClusterZone*>(current_routing);
747 if (as_cluster->privateLinks_.find(netcard->id()) != as_cluster->privateLinks_.end())
748 surf_parse_error("Host_link for '%s' is already defined!",hostlink->id);
750 XBT_DEBUG("Push Host_link for host '%s' to position %d", netcard->cname(), netcard->id());
751 as_cluster->privateLinks_.insert({netcard->id(), {linkUp, linkDown}});
754 void sg_platf_new_trace(sg_platf_trace_cbarg_t trace)
756 tmgr_trace_t tmgr_trace;
757 if (trace->file && strcmp(trace->file, "") != 0) {
758 tmgr_trace = tmgr_trace_new_from_file(trace->file);
760 xbt_assert(strcmp(trace->pc_data, ""),
761 "Trace '%s' must have either a content, or point to a file on disk.",trace->id);
762 tmgr_trace = tmgr_trace_new_from_string(trace->id, trace->pc_data, trace->periodicity);
764 xbt_dict_set(traces_set_list, trace->id, static_cast<void*>(tmgr_trace), nullptr);