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. */
11 #include "xbt/RngStream.h"
12 #include <xbt/functional.hpp>
13 #include <xbt/signal.hpp>
14 #include "src/surf/HostImpl.hpp"
15 #include "surf/surf.h"
17 #include "src/simix/smx_private.h"
19 #include "src/include/simgrid/sg_config.h"
20 #include "src/surf/xml/platf_private.hpp"
22 #include "src/surf/HostImpl.hpp"
23 #include "src/surf/cpu_interface.hpp"
24 #include "src/surf/network_interface.hpp"
25 #include "surf/surf_routing.h" // FIXME: brain dead public header
27 #include "src/kernel/routing/AsImpl.hpp"
28 #include "src/kernel/routing/AsCluster.hpp"
29 #include "src/kernel/routing/AsClusterTorus.hpp"
30 #include "src/kernel/routing/AsClusterFatTree.hpp"
31 #include "src/kernel/routing/AsClusterDragonfly.hpp"
32 #include "src/kernel/routing/AsDijkstra.hpp"
33 #include "src/kernel/routing/AsFloyd.hpp"
34 #include "src/kernel/routing/AsFull.hpp"
35 #include "src/kernel/routing/AsNone.hpp"
36 #include "src/kernel/routing/AsVivaldi.hpp"
38 XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(surf_parse);
40 XBT_PRIVATE xbt_dynar_t mount_list = nullptr;
45 simgrid::xbt::signal<void(sg_platf_link_cbarg_t)> on_link;
46 simgrid::xbt::signal<void(sg_platf_cluster_cbarg_t)> on_cluster;
47 simgrid::xbt::signal<void(void)> on_postparse;
52 static int surf_parse_models_setup_already_called = 0;
54 /** The current AS in the parsing */
55 static simgrid::kernel::routing::AsImpl *current_routing = nullptr;
56 static simgrid::kernel::routing::AsImpl *routing_get_current()
58 return current_routing;
61 /** Module management function: creates all internal data structures */
62 void sg_platf_init() {
65 /** Module management function: frees all internal data structures */
66 void sg_platf_exit() {
67 simgrid::surf::on_link.disconnect_all_slots();
68 simgrid::surf::on_cluster.disconnect_all_slots();
69 simgrid::surf::on_postparse.disconnect_all_slots();
71 /* make sure that we will reinit the models while loading the platf once reinited */
72 surf_parse_models_setup_already_called = 0;
73 surf_parse_lex_destroy();
76 /** @brief Add an host to the current AS */
77 void sg_platf_new_host(sg_platf_host_cbarg_t args)
79 simgrid::s4u::Host* host = routing_get_current()->createHost(args->id, &args->speed_per_pstate, args->core_amount);
81 new simgrid::surf::HostImpl(host, mount_list);
82 xbt_lib_set(storage_lib, args->id, ROUTING_STORAGE_HOST_LEVEL, static_cast<void*>(mount_list));
85 if (args->properties) {
86 xbt_dict_cursor_t cursor=nullptr;
88 xbt_dict_foreach (args->properties, cursor, key, data)
89 host->setProperty(key, data);
90 xbt_dict_free(&args->properties);
93 /* Change from the defaults */
94 if (args->state_trace)
95 host->pimpl_cpu->setStateTrace(args->state_trace);
96 if (args->speed_trace)
97 host->pimpl_cpu->setSpeedTrace(args->speed_trace);
98 if (args->pstate != 0)
99 host->pimpl_cpu->setPState(args->pstate);
100 if (args->coord && strcmp(args->coord, ""))
101 new simgrid::kernel::routing::vivaldi::Coords(host, args->coord);
103 simgrid::s4u::Host::onCreation(*host);
105 if (TRACE_is_enabled() && TRACE_needs_platform())
106 sg_instr_new_host(*host);
109 /** @brief Add a "router" to the network element list */
110 void sg_platf_new_router(sg_platf_router_cbarg_t router)
112 using simgrid::kernel::routing::AsCluster;
113 simgrid::kernel::routing::AsImpl* current_routing = routing_get_current();
115 if (current_routing->hierarchy_ == simgrid::kernel::routing::AsImpl::RoutingMode::unset)
116 current_routing->hierarchy_ = simgrid::kernel::routing::AsImpl::RoutingMode::base;
117 xbt_assert(nullptr == xbt_lib_get_or_null(as_router_lib, router->id, ROUTING_ASR_LEVEL),
118 "Refusing to create a router named '%s': this name already describes a node.", router->id);
120 simgrid::kernel::routing::NetCard* netcard =
121 new simgrid::kernel::routing::NetCardImpl(router->id, simgrid::kernel::routing::NetCard::Type::Router, current_routing);
122 xbt_lib_set(as_router_lib, router->id, ROUTING_ASR_LEVEL, netcard);
123 XBT_DEBUG("Router '%s' has the id %d", router->id, netcard->id());
125 if (router->coord && strcmp(router->coord, "")) {
129 xbt_assert(COORD_ASR_LEVEL, "To use host coordinates, please add --cfg=network/coordinates:yes to your command line");
130 /* Pre-parse the host coordinates */
131 xbt_dynar_t ctn_str = xbt_str_split_str(router->coord, " ");
132 xbt_assert(xbt_dynar_length(ctn_str)==3,"Coordinates of %s must have 3 dimensions", router->id);
133 xbt_dynar_t ctn = xbt_dynar_new(sizeof(double),nullptr);
134 xbt_dynar_foreach(ctn_str,cursor, str) {
135 double val = xbt_str_parse_double(str, "Invalid coordinate: %s");
136 xbt_dynar_push(ctn,&val);
138 xbt_dynar_free(&ctn_str);
139 xbt_dynar_shrink(ctn, 0);
140 xbt_lib_set(as_router_lib, router->id, COORD_ASR_LEVEL, (void *) ctn);
143 auto cluster = dynamic_cast<AsCluster*>(current_routing);
144 if(cluster != nullptr)
145 cluster->router_ = static_cast<simgrid::kernel::routing::NetCard*>(xbt_lib_get_or_null(as_router_lib, router->id, ROUTING_ASR_LEVEL));
147 if (TRACE_is_enabled() && TRACE_needs_platform())
148 sg_instr_new_router(router);
151 void sg_platf_new_link(sg_platf_link_cbarg_t link){
152 std::vector<char*> names;
154 if (link->policy == SURF_LINK_FULLDUPLEX) {
155 names.push_back(bprintf("%s_UP", link->id));
156 names.push_back(bprintf("%s_DOWN", link->id));
158 names.push_back(xbt_strdup(link->id));
160 for (auto link_name : names) {
161 Link* l = surf_network_model->createLink(link_name, link->bandwidth, link->latency, link->policy);
163 if (link->properties) {
164 xbt_dict_cursor_t cursor = nullptr;
166 xbt_dict_foreach (link->properties, cursor, key, data)
167 l->setProperty(key, data);
168 xbt_dict_free(&link->properties);
171 if (link->latency_trace)
172 l->setLatencyTrace(link->latency_trace);
173 if (link->bandwidth_trace)
174 l->setBandwidthTrace(link->bandwidth_trace);
175 if (link->state_trace)
176 l->setStateTrace(link->state_trace);
181 simgrid::surf::on_link(link);
184 void sg_platf_new_cluster(sg_platf_cluster_cbarg_t cluster)
186 using simgrid::kernel::routing::AsCluster;
187 using simgrid::kernel::routing::AsClusterDragonfly;
188 using simgrid::kernel::routing::AsClusterFatTree;
189 using simgrid::kernel::routing::AsClusterTorus;
193 s_sg_platf_link_cbarg_t link;
195 // What an inventive way of initializing the AS that I have as ancestor :-(
196 s_sg_platf_AS_cbarg_t AS;
198 switch (cluster->topology) {
199 case SURF_CLUSTER_TORUS:
200 AS.routing = A_surfxml_AS_routing_ClusterTorus;
202 case SURF_CLUSTER_DRAGONFLY:
203 AS.routing = A_surfxml_AS_routing_ClusterDragonfly;
205 case SURF_CLUSTER_FAT_TREE:
206 AS.routing = A_surfxml_AS_routing_ClusterFatTree;
209 AS.routing = A_surfxml_AS_routing_Cluster;
212 sg_platf_new_AS_begin(&AS);
213 simgrid::kernel::routing::AsCluster *current_as = static_cast<AsCluster*>(routing_get_current());
214 current_as->parse_specific_arguments(cluster);
216 if(cluster->loopback_bw!=0 || cluster->loopback_lat!=0){
217 current_as->linkCountPerNode_++;
218 current_as->hasLoopback_ = 1;
221 if(cluster->limiter_link!=0){
222 current_as->linkCountPerNode_++;
223 current_as->hasLimiter_ = 1;
226 for (int i : *cluster->radicals) {
227 char * host_id = bprintf("%s%d%s", cluster->prefix, i, cluster->suffix);
228 char * link_id = bprintf("%s_link_%d", cluster->id, i);
230 XBT_DEBUG("<host\tid=\"%s\"\tpower=\"%f\">", host_id, cluster->speed);
232 s_sg_platf_host_cbarg_t host;
233 memset(&host, 0, sizeof(host));
235 if ((cluster->properties != nullptr) && (!xbt_dict_is_empty(cluster->properties))) {
236 xbt_dict_cursor_t cursor=nullptr;
238 host.properties = xbt_dict_new();
240 xbt_dict_foreach(cluster->properties,cursor,key,data) {
241 xbt_dict_set(host.properties, key, xbt_strdup(data),free);
245 host.speed_per_pstate.push_back(cluster->speed);
247 host.core_amount = cluster->core_amount;
249 sg_platf_new_host(&host);
250 XBT_DEBUG("</host>");
252 XBT_DEBUG("<link\tid=\"%s\"\tbw=\"%f\"\tlat=\"%f\"/>", link_id, cluster->bw, cluster->lat);
254 s_surf_parsing_link_up_down_t info_lim;
255 s_surf_parsing_link_up_down_t info_loop;
256 // All links are saved in a matrix;
257 // every row describes a single node; every node may have multiple links.
258 // the first column may store a link from x to x if p_has_loopback is set
259 // the second column may store a limiter link if p_has_limiter is set
260 // other columns are to store one or more link for the node
262 //add a loopback link
263 if(cluster->loopback_bw!=0 || cluster->loopback_lat!=0){
264 char *tmp_link = bprintf("%s_loopback", link_id);
265 XBT_DEBUG("<loopback\tid=\"%s\"\tbw=\"%f\"/>", tmp_link, cluster->loopback_bw);
267 memset(&link, 0, sizeof(link));
269 link.bandwidth = cluster->loopback_bw;
270 link.latency = cluster->loopback_lat;
271 link.policy = SURF_LINK_FATPIPE;
272 sg_platf_new_link(&link);
273 info_loop.linkUp = Link::byName(tmp_link);
274 info_loop.linkDown = Link::byName(tmp_link);
277 auto as_cluster = static_cast<AsCluster*>(current_as);
278 as_cluster->privateLinks_.insert({rankId*as_cluster->linkCountPerNode_, info_loop});
281 //add a limiter link (shared link to account for maximal bandwidth of the node)
282 if(cluster->limiter_link!=0){
283 char *tmp_link = bprintf("%s_limiter", link_id);
284 XBT_DEBUG("<limiter\tid=\"%s\"\tbw=\"%f\"/>", tmp_link, cluster->limiter_link);
286 memset(&link, 0, sizeof(link));
288 link.bandwidth = cluster->limiter_link;
290 link.policy = SURF_LINK_SHARED;
291 sg_platf_new_link(&link);
292 info_lim.linkUp = info_lim.linkDown = Link::byName(tmp_link);
294 current_as->privateLinks_.insert(
295 {rankId * current_as->linkCountPerNode_ + current_as->hasLoopback_ , info_lim});
298 //call the cluster function that adds the others links
299 if (cluster->topology == SURF_CLUSTER_FAT_TREE) {
300 static_cast<AsClusterFatTree*>(current_as)->addProcessingNode(i);
303 current_as->create_links_for_node(cluster, i, rankId,
304 rankId*current_as->linkCountPerNode_ + current_as->hasLoopback_ + current_as->hasLimiter_ );
311 // Add a router. It is magically used thanks to the way in which surf_routing_cluster is written,
312 // and it's very useful to connect clusters together
314 XBT_DEBUG("<router id=\"%s\"/>", cluster->router_id);
315 char *newid = nullptr;
316 s_sg_platf_router_cbarg_t router;
317 memset(&router, 0, sizeof(router));
318 router.id = cluster->router_id;
319 if (!router.id || !strcmp(router.id, ""))
320 router.id = newid = bprintf("%s%s_router%s", cluster->prefix, cluster->id, cluster->suffix);
321 sg_platf_new_router(&router);
322 current_as->router_ = (simgrid::kernel::routing::NetCard*) xbt_lib_get_or_null(as_router_lib, router.id, ROUTING_ASR_LEVEL);
326 if ((cluster->bb_bw != 0) || (cluster->bb_lat != 0)) {
328 memset(&link, 0, sizeof(link));
329 link.id = bprintf("%s_backbone", cluster->id);
330 link.bandwidth = cluster->bb_bw;
331 link.latency = cluster->bb_lat;
332 link.policy = cluster->bb_sharing_policy;
334 XBT_DEBUG("<link\tid=\"%s\" bw=\"%f\" lat=\"%f\"/>", link.id, cluster->bb_bw, cluster->bb_lat);
335 sg_platf_new_link(&link);
337 routing_cluster_add_backbone(Link::byName(link.id));
338 free((char*)link.id);
342 sg_platf_new_AS_seal();
344 simgrid::surf::on_cluster(cluster);
345 delete cluster->radicals;
347 void routing_cluster_add_backbone(simgrid::surf::Link* bb) {
348 simgrid::kernel::routing::AsCluster *cluster = dynamic_cast<simgrid::kernel::routing::AsCluster*>(current_routing);
350 xbt_assert(cluster, "Only hosts from Cluster can get a backbone.");
351 xbt_assert(nullptr == cluster->backbone_, "Cluster %s already has a backbone link!", cluster->name());
353 cluster->backbone_ = bb;
354 XBT_DEBUG("Add a backbone to AS '%s'", current_routing->name());
357 void sg_platf_new_cabinet(sg_platf_cabinet_cbarg_t cabinet)
359 for (int radical : *cabinet->radicals) {
360 char *hostname = bprintf("%s%d%s", cabinet->prefix, radical, cabinet->suffix);
361 s_sg_platf_host_cbarg_t host;
362 memset(&host, 0, sizeof(host));
364 host.core_amount = 1;
366 host.speed_per_pstate.push_back(cabinet->speed);
367 sg_platf_new_host(&host);
369 s_sg_platf_link_cbarg_t link;
370 memset(&link, 0, sizeof(link));
371 link.policy = SURF_LINK_FULLDUPLEX;
372 link.latency = cabinet->lat;
373 link.bandwidth = cabinet->bw;
374 link.id = bprintf("link_%s",hostname);
375 sg_platf_new_link(&link);
376 free((char*)link.id);
378 s_sg_platf_host_link_cbarg_t host_link;
379 memset(&host_link, 0, sizeof(host_link));
380 host_link.id = hostname;
381 host_link.link_up = bprintf("link_%s_UP",hostname);
382 host_link.link_down = bprintf("link_%s_DOWN",hostname);
383 sg_platf_new_hostlink(&host_link);
384 free((char*)host_link.link_up);
385 free((char*)host_link.link_down);
389 delete cabinet->radicals;
392 void sg_platf_new_storage(sg_platf_storage_cbarg_t storage)
394 xbt_assert(!xbt_lib_get_or_null(storage_lib, storage->id,ROUTING_STORAGE_LEVEL),
395 "Refusing to add a second storage named \"%s\"", storage->id);
397 void* stype = xbt_lib_get_or_null(storage_type_lib, storage->type_id,ROUTING_STORAGE_TYPE_LEVEL);
398 xbt_assert(stype,"No storage type '%s'", storage->type_id);
400 XBT_DEBUG("ROUTING Create a storage name '%s' with type_id '%s' and content '%s'",
405 xbt_lib_set(storage_lib, storage->id, ROUTING_STORAGE_LEVEL, (void *) xbt_strdup(storage->type_id));
407 // if storage content is not specified use the content of storage_type if any
408 if(!strcmp(storage->content,"") && strcmp(((storage_type_t) stype)->content,"")){
409 storage->content = ((storage_type_t) stype)->content;
410 storage->content_type = ((storage_type_t) stype)->content_type;
411 XBT_DEBUG("For disk '%s' content is empty, inherit the content (of type %s) from storage type '%s' ",
412 storage->id,((storage_type_t) stype)->content_type,
413 ((storage_type_t) stype)->type_id);
416 XBT_DEBUG("SURF storage create resource\n\t\tid '%s'\n\t\ttype '%s' "
417 "\n\t\tmodel '%s' \n\t\tcontent '%s'\n\t\tcontent_type '%s' "
418 "\n\t\tproperties '%p''\n",
420 ((storage_type_t) stype)->model,
421 ((storage_type_t) stype)->type_id,
423 storage->content_type,
424 storage->properties);
426 auto s = surf_storage_model->createStorage(storage->id, ((storage_type_t)stype)->type_id, storage->content,
427 storage->content_type, storage->attach);
429 if (storage->properties) {
430 xbt_dict_cursor_t cursor = nullptr;
432 xbt_dict_foreach (storage->properties, cursor, key, data)
433 s->setProperty(key, data);
434 xbt_dict_free(&storage->properties);
437 void sg_platf_new_storage_type(sg_platf_storage_type_cbarg_t storage_type){
439 xbt_assert(!xbt_lib_get_or_null(storage_type_lib, storage_type->id,ROUTING_STORAGE_TYPE_LEVEL),
440 "Reading a storage type, processing unit \"%s\" already exists", storage_type->id);
442 storage_type_t stype = xbt_new0(s_storage_type_t, 1);
443 stype->model = xbt_strdup(storage_type->model);
444 stype->properties = storage_type->properties;
445 stype->content = xbt_strdup(storage_type->content);
446 stype->content_type = xbt_strdup(storage_type->content_type);
447 stype->type_id = xbt_strdup(storage_type->id);
448 stype->size = storage_type->size;
449 stype->model_properties = storage_type->model_properties;
451 XBT_DEBUG("ROUTING Create a storage type id '%s' with model '%s', "
452 "content '%s', and content_type '%s'",
455 storage_type->content,
456 storage_type->content_type);
458 xbt_lib_set(storage_type_lib,
460 ROUTING_STORAGE_TYPE_LEVEL,
464 static void mount_free(void *p)
466 mount_t mnt = (mount_t) p;
470 void sg_platf_new_mount(sg_platf_mount_cbarg_t mount){
471 xbt_assert(xbt_lib_get_or_null(storage_lib, mount->storageId, ROUTING_STORAGE_LEVEL),
472 "Cannot mount non-existent disk \"%s\"", mount->storageId);
474 XBT_DEBUG("ROUTING Mount '%s' on '%s'",mount->storageId, mount->name);
477 mnt.storage = surf_storage_resource_priv(surf_storage_resource_by_name(mount->storageId));
478 mnt.name = xbt_strdup(mount->name);
481 XBT_DEBUG("Create a Mount list for %s",A_surfxml_host_id);
482 mount_list = xbt_dynar_new(sizeof(s_mount_t), mount_free);
484 xbt_dynar_push(mount_list, &mnt);
487 void sg_platf_new_route(sg_platf_route_cbarg_t route)
489 routing_get_current()->addRoute(route);
492 void sg_platf_new_bypassRoute(sg_platf_route_cbarg_t bypassRoute)
494 routing_get_current()->addBypassRoute(bypassRoute);
497 void sg_platf_new_process(sg_platf_process_cbarg_t process)
499 sg_host_t host = sg_host_by_name(process->host);
501 // The requested host does not exist. Do a nice message to the user
502 char *tmp = bprintf("Cannot create process '%s': host '%s' does not exist\nExisting hosts: '",process->function, process->host);
503 xbt_strbuff_t msg = xbt_strbuff_new_from(tmp);
505 xbt_dynar_t all_hosts = xbt_dynar_sort_strings(sg_hosts_as_dynar());
506 simgrid::s4u::Host* host;
508 xbt_dynar_foreach(all_hosts,cursor, host) {
509 xbt_strbuff_append(msg,host->name().c_str());
510 xbt_strbuff_append(msg,"', '");
511 if (msg->used > 1024) {
512 msg->data[msg->used-3]='\0';
515 xbt_strbuff_append(msg," ...(list truncated)......");// That will be shortened by 3 chars when existing the loop
519 msg->data[msg->used-3]='\0';
520 xbt_die("%s", msg->data);
522 simgrid::simix::ActorCodeFactory& factory = SIMIX_get_actor_code_factory(process->function);
523 xbt_assert(factory, "Function '%s' unknown", process->function);
525 double start_time = process->start_time;
526 double kill_time = process->kill_time;
527 int auto_restart = process->on_failure == SURF_PROCESS_ON_FAILURE_DIE ? 0 : 1;
529 std::vector<std::string> args(process->argv, process->argv + process->argc);
530 std::function<void()> code = factory(std::move(args));
532 smx_process_arg_t arg = nullptr;
533 smx_actor_t process_created = nullptr;
535 arg = new simgrid::simix::ProcessArg();
536 arg->name = std::string(process->argv[0]);
540 arg->kill_time = kill_time;
541 arg->properties = current_property_set;
543 sg_host_simix(host)->boot_processes.push_back(arg);
545 if (start_time > SIMIX_get_clock()) {
547 arg = new simgrid::simix::ProcessArg();
548 arg->name = std::string(process->argv[0]);
549 arg->code = std::move(code);
552 arg->kill_time = kill_time;
553 arg->properties = current_property_set;
555 XBT_DEBUG("Process %s@%s will be started at time %f",
556 arg->name.c_str(), arg->host->name().c_str(), start_time);
557 SIMIX_timer_set(start_time, [=]() {
558 simix_global->create_process_function(
560 std::move(arg->code),
569 } else { // start_time <= SIMIX_get_clock()
570 XBT_DEBUG("Starting Process %s(%s) right now", arg->name.c_str(), host->cname());
572 process_created = simix_global->create_process_function(
573 arg->name.c_str(), std::move(code), nullptr,
575 current_property_set, auto_restart, nullptr);
577 /* verify if process has been created (won't be the case if the host is currently dead, but that's fine) */
578 if (!process_created) {
582 current_property_set = nullptr;
585 void sg_platf_new_peer(sg_platf_peer_cbarg_t peer)
587 using simgrid::kernel::routing::NetCard;
588 using simgrid::kernel::routing::AsCluster;
590 char *host_id = bprintf("peer_%s", peer->id);
591 char *router_id = bprintf("router_%s", peer->id);
595 XBT_DEBUG("<AS id=\"%s\"\trouting=\"Cluster\">", peer->id);
596 s_sg_platf_AS_cbarg_t AS;
598 AS.routing = A_surfxml_AS_routing_Cluster;
599 sg_platf_new_AS_begin(&AS);
601 XBT_DEBUG("<host\tid=\"%s\"\tpower=\"%f\"/>", host_id, peer->speed);
602 s_sg_platf_host_cbarg_t host;
603 memset(&host, 0, sizeof(host));
606 host.speed_per_pstate.push_back(peer->speed);
608 host.speed_trace = peer->availability_trace;
609 host.state_trace = peer->state_trace;
610 host.core_amount = 1;
611 sg_platf_new_host(&host);
613 s_sg_platf_link_cbarg_t link;
614 memset(&link, 0, sizeof(link));
615 link.policy = SURF_LINK_SHARED;
616 link.latency = peer->lat;
618 char* link_up = bprintf("link_%s_UP",peer->id);
619 XBT_DEBUG("<link\tid=\"%s\"\tbw=\"%f\"\tlat=\"%f\"/>", link_up, peer->bw_out, peer->lat);
621 link.bandwidth = peer->bw_out;
622 sg_platf_new_link(&link);
624 char* link_down = bprintf("link_%s_DOWN",peer->id);
625 XBT_DEBUG("<link\tid=\"%s\"\tbw=\"%f\"\tlat=\"%f\"/>", link_down, peer->bw_in, peer->lat);
627 link.bandwidth = peer->bw_in;
628 sg_platf_new_link(&link);
630 XBT_DEBUG("<host_link\tid=\"%s\"\tup=\"%s\"\tdown=\"%s\" />", host_id,link_up,link_down);
631 s_sg_platf_host_link_cbarg_t host_link;
632 memset(&host_link, 0, sizeof(host_link));
633 host_link.id = host_id;
634 host_link.link_up = link_up;
635 host_link.link_down = link_down;
636 sg_platf_new_hostlink(&host_link);
640 XBT_DEBUG("<router id=\"%s\"/>", router_id);
641 s_sg_platf_router_cbarg_t router;
642 memset(&router, 0, sizeof(router));
643 router.id = router_id;
644 router.coord = peer->coord;
645 sg_platf_new_router(&router);
648 sg_platf_new_AS_seal();
655 void sg_platf_begin() { /* Do nothing: just for symmetry of user code */ }
657 void sg_platf_end() {
658 simgrid::surf::on_postparse();
661 /* Pick the right models for CPU, net and host, and call their model_init_preparse */
662 static void surf_config_models_setup()
664 const char* host_model_name = xbt_cfg_get_string("host/model");
665 const char* vm_model_name = xbt_cfg_get_string("vm/model");
666 const char* network_model_name = xbt_cfg_get_string("network/model");
667 const char* cpu_model_name = xbt_cfg_get_string("cpu/model");
668 const char* storage_model_name = xbt_cfg_get_string("storage/model");
670 /* The compound host model is needed when using non-default net/cpu models */
671 if ((!xbt_cfg_is_default_value("network/model") || !xbt_cfg_is_default_value("cpu/model")) &&
672 xbt_cfg_is_default_value("host/model")) {
673 host_model_name = "compound";
674 xbt_cfg_set_string("host/model", host_model_name);
677 XBT_DEBUG("host model: %s", host_model_name);
678 if (!strcmp(host_model_name, "compound")) {
679 xbt_assert(cpu_model_name, "Set a cpu model to use with the 'compound' host model");
680 xbt_assert(network_model_name, "Set a network model to use with the 'compound' host model");
682 int cpu_id = find_model_description(surf_cpu_model_description, cpu_model_name);
683 surf_cpu_model_description[cpu_id].model_init_preparse();
685 int network_id = find_model_description(surf_network_model_description, network_model_name);
686 surf_network_model_description[network_id].model_init_preparse();
689 XBT_DEBUG("Call host_model_init");
690 int host_id = find_model_description(surf_host_model_description, host_model_name);
691 surf_host_model_description[host_id].model_init_preparse();
693 XBT_DEBUG("Call vm_model_init");
694 int vm_id = find_model_description(surf_vm_model_description, vm_model_name);
695 surf_vm_model_description[vm_id].model_init_preparse();
697 XBT_DEBUG("Call storage_model_init");
698 int storage_id = find_model_description(surf_storage_model_description, storage_model_name);
699 surf_storage_model_description[storage_id].model_init_preparse();
703 * \brief Add an AS to the platform
705 * Add a new autonomous system to the platform. Any elements (such as host,
706 * router or sub-AS) added after this call and before the corresponding call
707 * to sg_platf_new_AS_seal() will be added to this AS.
709 * Once this function was called, the configuration concerning the used
710 * models cannot be changed anymore.
712 * @param AS the parameters defining the AS to build.
714 simgrid::s4u::As * sg_platf_new_AS_begin(sg_platf_AS_cbarg_t AS)
716 if (!surf_parse_models_setup_already_called) {
717 /* Initialize the surf models. That must be done after we got all config, and before we need the models.
718 * That is, after the last <config> tag, if any, and before the first of cluster|peer|AS|trace|trace_connect
720 * I'm not sure for <trace> and <trace_connect>, there may be a bug here
721 * (FIXME: check it out by creating a file beginning with one of these tags)
722 * but cluster and peer create ASes internally, so putting the code in there is ok.
724 surf_parse_models_setup_already_called = 1;
725 surf_config_models_setup();
728 _sg_cfg_init_status = 2; /* HACK: direct access to the global controlling the level of configuration to prevent
729 * any further config now that we created some real content */
732 /* search the routing model */
733 simgrid::kernel::routing::AsImpl *new_as = nullptr;
735 case A_surfxml_AS_routing_Cluster:
736 new_as = new simgrid::kernel::routing::AsCluster(current_routing, AS->id);
738 case A_surfxml_AS_routing_ClusterDragonfly:
739 new_as = new simgrid::kernel::routing::AsClusterDragonfly(current_routing, AS->id);
741 case A_surfxml_AS_routing_ClusterTorus:
742 new_as = new simgrid::kernel::routing::AsClusterTorus(current_routing, AS->id);
744 case A_surfxml_AS_routing_ClusterFatTree:
745 new_as = new simgrid::kernel::routing::AsClusterFatTree(current_routing, AS->id);
747 case A_surfxml_AS_routing_Dijkstra:
748 new_as = new simgrid::kernel::routing::AsDijkstra(current_routing, AS->id, 0);
750 case A_surfxml_AS_routing_DijkstraCache:
751 new_as = new simgrid::kernel::routing::AsDijkstra(current_routing, AS->id, 1);
753 case A_surfxml_AS_routing_Floyd:
754 new_as = new simgrid::kernel::routing::AsFloyd(current_routing, AS->id);
756 case A_surfxml_AS_routing_Full:
757 new_as = new simgrid::kernel::routing::AsFull(current_routing, AS->id);
759 case A_surfxml_AS_routing_None:
760 new_as = new simgrid::kernel::routing::AsNone(current_routing, AS->id);
762 case A_surfxml_AS_routing_Vivaldi:
763 new_as = new simgrid::kernel::routing::AsVivaldi(current_routing, AS->id);
766 xbt_die("Not a valid model!");
771 if (current_routing == nullptr && routing_platf->root_ == nullptr) { /* it is the first one */
772 routing_platf->root_ = new_as;
774 } else if (current_routing != nullptr && routing_platf->root_ != nullptr) {
775 /* set the father behavior */
776 if (current_routing->hierarchy_ == simgrid::kernel::routing::AsImpl::RoutingMode::unset)
777 current_routing->hierarchy_ = simgrid::kernel::routing::AsImpl::RoutingMode::recursive;
778 /* add to the sons dictionary */
779 xbt_dict_set(current_routing->children(), AS->id, (void *) new_as, nullptr);
782 THROWF(arg_error, 0, "All defined components must belong to a AS");
785 /* set the new current component of the tree */
786 current_routing = new_as;
788 simgrid::kernel::routing::asCreatedCallbacks(new_as);
789 if (TRACE_is_enabled())
790 sg_instr_AS_begin(AS);
796 * \brief Specify that the description of the current AS is finished
798 * Once you've declared all the content of your AS, you have to seal
799 * it with this call. Your AS is not usable until you call this function.
801 void sg_platf_new_AS_seal()
803 xbt_assert(current_routing, "Cannot seal the current AS: none under construction");
804 current_routing->seal();
805 current_routing = static_cast<simgrid::kernel::routing::AsImpl*>(current_routing->father());
807 if (TRACE_is_enabled())
811 /** @brief Add a link connecting an host to the rest of its AS (which must be cluster or vivaldi) */
812 void sg_platf_new_hostlink(sg_platf_host_link_cbarg_t hostlink)
814 simgrid::kernel::routing::NetCard *netcard = sg_host_by_name(hostlink->id)->pimpl_netcard;
815 xbt_assert(netcard, "Host '%s' not found!", hostlink->id);
816 xbt_assert(dynamic_cast<simgrid::kernel::routing::AsCluster*>(current_routing),
817 "Only hosts from Cluster and Vivaldi ASes can get an host_link.");
819 s_surf_parsing_link_up_down_t link_up_down;
820 link_up_down.linkUp = Link::byName(hostlink->link_up);
821 link_up_down.linkDown = Link::byName(hostlink->link_down);
823 xbt_assert(link_up_down.linkUp, "Link '%s' not found!",hostlink->link_up);
824 xbt_assert(link_up_down.linkDown, "Link '%s' not found!",hostlink->link_down);
826 auto as_cluster = static_cast<simgrid::kernel::routing::AsCluster*>(current_routing);
828 if (as_cluster->privateLinks_.find(netcard->id()) != as_cluster->privateLinks_.end())
829 surf_parse_error("Host_link for '%s' is already defined!",hostlink->id);
831 XBT_DEBUG("Push Host_link for host '%s' to position %d", netcard->name().c_str(), netcard->id());
832 as_cluster->privateLinks_.insert({netcard->id(), link_up_down});