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, link->properties);
163 if (link->latency_trace)
164 l->setLatencyTrace(link->latency_trace);
165 if (link->bandwidth_trace)
166 l->setBandwidthTrace(link->bandwidth_trace);
167 if (link->state_trace)
168 l->setStateTrace(link->state_trace);
173 simgrid::surf::on_link(link);
176 void sg_platf_new_cluster(sg_platf_cluster_cbarg_t cluster)
178 using simgrid::kernel::routing::AsCluster;
179 using simgrid::kernel::routing::AsClusterDragonfly;
180 using simgrid::kernel::routing::AsClusterFatTree;
181 using simgrid::kernel::routing::AsClusterTorus;
185 s_sg_platf_link_cbarg_t link;
187 // What an inventive way of initializing the AS that I have as ancestor :-(
188 s_sg_platf_AS_cbarg_t AS;
190 switch (cluster->topology) {
191 case SURF_CLUSTER_TORUS:
192 AS.routing = A_surfxml_AS_routing_ClusterTorus;
194 case SURF_CLUSTER_DRAGONFLY:
195 AS.routing = A_surfxml_AS_routing_ClusterDragonfly;
197 case SURF_CLUSTER_FAT_TREE:
198 AS.routing = A_surfxml_AS_routing_ClusterFatTree;
201 AS.routing = A_surfxml_AS_routing_Cluster;
204 sg_platf_new_AS_begin(&AS);
205 simgrid::kernel::routing::AsCluster *current_as = static_cast<AsCluster*>(routing_get_current());
206 current_as->parse_specific_arguments(cluster);
208 if(cluster->loopback_bw!=0 || cluster->loopback_lat!=0){
209 current_as->linkCountPerNode_++;
210 current_as->hasLoopback_ = 1;
213 if(cluster->limiter_link!=0){
214 current_as->linkCountPerNode_++;
215 current_as->hasLimiter_ = 1;
218 for (int i : *cluster->radicals) {
219 char * host_id = bprintf("%s%d%s", cluster->prefix, i, cluster->suffix);
220 char * link_id = bprintf("%s_link_%d", cluster->id, i);
222 XBT_DEBUG("<host\tid=\"%s\"\tpower=\"%f\">", host_id, cluster->speed);
224 s_sg_platf_host_cbarg_t host;
225 memset(&host, 0, sizeof(host));
227 if ((cluster->properties != nullptr) && (!xbt_dict_is_empty(cluster->properties))) {
228 xbt_dict_cursor_t cursor=nullptr;
230 host.properties = xbt_dict_new();
232 xbt_dict_foreach(cluster->properties,cursor,key,data) {
233 xbt_dict_set(host.properties, key, xbt_strdup(data),free);
237 host.speed_per_pstate.push_back(cluster->speed);
239 host.core_amount = cluster->core_amount;
241 sg_platf_new_host(&host);
242 XBT_DEBUG("</host>");
244 XBT_DEBUG("<link\tid=\"%s\"\tbw=\"%f\"\tlat=\"%f\"/>", link_id, cluster->bw, cluster->lat);
246 s_surf_parsing_link_up_down_t info_lim;
247 s_surf_parsing_link_up_down_t info_loop;
248 // All links are saved in a matrix;
249 // every row describes a single node; every node may have multiple links.
250 // the first column may store a link from x to x if p_has_loopback is set
251 // the second column may store a limiter link if p_has_limiter is set
252 // other columns are to store one or more link for the node
254 //add a loopback link
255 if(cluster->loopback_bw!=0 || cluster->loopback_lat!=0){
256 char *tmp_link = bprintf("%s_loopback", link_id);
257 XBT_DEBUG("<loopback\tid=\"%s\"\tbw=\"%f\"/>", tmp_link, cluster->loopback_bw);
259 memset(&link, 0, sizeof(link));
261 link.bandwidth = cluster->loopback_bw;
262 link.latency = cluster->loopback_lat;
263 link.policy = SURF_LINK_FATPIPE;
264 sg_platf_new_link(&link);
265 info_loop.linkUp = Link::byName(tmp_link);
266 info_loop.linkDown = Link::byName(tmp_link);
269 auto as_cluster = static_cast<AsCluster*>(current_as);
270 as_cluster->privateLinks_.insert({rankId*as_cluster->linkCountPerNode_, info_loop});
273 //add a limiter link (shared link to account for maximal bandwidth of the node)
274 if(cluster->limiter_link!=0){
275 char *tmp_link = bprintf("%s_limiter", link_id);
276 XBT_DEBUG("<limiter\tid=\"%s\"\tbw=\"%f\"/>", tmp_link, cluster->limiter_link);
278 memset(&link, 0, sizeof(link));
280 link.bandwidth = cluster->limiter_link;
282 link.policy = SURF_LINK_SHARED;
283 sg_platf_new_link(&link);
284 info_lim.linkUp = info_lim.linkDown = Link::byName(tmp_link);
286 current_as->privateLinks_.insert(
287 {rankId * current_as->linkCountPerNode_ + current_as->hasLoopback_ , info_lim});
290 //call the cluster function that adds the others links
291 if (cluster->topology == SURF_CLUSTER_FAT_TREE) {
292 static_cast<AsClusterFatTree*>(current_as)->addProcessingNode(i);
295 current_as->create_links_for_node(cluster, i, rankId,
296 rankId*current_as->linkCountPerNode_ + current_as->hasLoopback_ + current_as->hasLimiter_ );
303 // Add a router. It is magically used thanks to the way in which surf_routing_cluster is written,
304 // and it's very useful to connect clusters together
306 XBT_DEBUG("<router id=\"%s\"/>", cluster->router_id);
307 char *newid = nullptr;
308 s_sg_platf_router_cbarg_t router;
309 memset(&router, 0, sizeof(router));
310 router.id = cluster->router_id;
311 if (!router.id || !strcmp(router.id, ""))
312 router.id = newid = bprintf("%s%s_router%s", cluster->prefix, cluster->id, cluster->suffix);
313 sg_platf_new_router(&router);
314 current_as->router_ = (simgrid::kernel::routing::NetCard*) xbt_lib_get_or_null(as_router_lib, router.id, ROUTING_ASR_LEVEL);
318 if ((cluster->bb_bw != 0) || (cluster->bb_lat != 0)) {
320 memset(&link, 0, sizeof(link));
321 link.id = bprintf("%s_backbone", cluster->id);
322 link.bandwidth = cluster->bb_bw;
323 link.latency = cluster->bb_lat;
324 link.policy = cluster->bb_sharing_policy;
326 XBT_DEBUG("<link\tid=\"%s\" bw=\"%f\" lat=\"%f\"/>", link.id, cluster->bb_bw, cluster->bb_lat);
327 sg_platf_new_link(&link);
329 routing_cluster_add_backbone(Link::byName(link.id));
330 free((char*)link.id);
334 sg_platf_new_AS_seal();
336 simgrid::surf::on_cluster(cluster);
337 delete cluster->radicals;
339 void routing_cluster_add_backbone(simgrid::surf::Link* bb) {
340 simgrid::kernel::routing::AsCluster *cluster = dynamic_cast<simgrid::kernel::routing::AsCluster*>(current_routing);
342 xbt_assert(cluster, "Only hosts from Cluster can get a backbone.");
343 xbt_assert(nullptr == cluster->backbone_, "Cluster %s already has a backbone link!", cluster->name());
345 cluster->backbone_ = bb;
346 XBT_DEBUG("Add a backbone to AS '%s'", current_routing->name());
349 void sg_platf_new_cabinet(sg_platf_cabinet_cbarg_t cabinet)
351 for (int radical : *cabinet->radicals) {
352 char *hostname = bprintf("%s%d%s", cabinet->prefix, radical, cabinet->suffix);
353 s_sg_platf_host_cbarg_t host;
354 memset(&host, 0, sizeof(host));
356 host.core_amount = 1;
358 host.speed_per_pstate.push_back(cabinet->speed);
359 sg_platf_new_host(&host);
361 s_sg_platf_link_cbarg_t link;
362 memset(&link, 0, sizeof(link));
363 link.policy = SURF_LINK_FULLDUPLEX;
364 link.latency = cabinet->lat;
365 link.bandwidth = cabinet->bw;
366 link.id = bprintf("link_%s",hostname);
367 sg_platf_new_link(&link);
368 free((char*)link.id);
370 s_sg_platf_host_link_cbarg_t host_link;
371 memset(&host_link, 0, sizeof(host_link));
372 host_link.id = hostname;
373 host_link.link_up = bprintf("link_%s_UP",hostname);
374 host_link.link_down = bprintf("link_%s_DOWN",hostname);
375 sg_platf_new_hostlink(&host_link);
376 free((char*)host_link.link_up);
377 free((char*)host_link.link_down);
381 delete cabinet->radicals;
384 void sg_platf_new_storage(sg_platf_storage_cbarg_t storage)
386 xbt_assert(!xbt_lib_get_or_null(storage_lib, storage->id,ROUTING_STORAGE_LEVEL),
387 "Refusing to add a second storage named \"%s\"", storage->id);
389 void* stype = xbt_lib_get_or_null(storage_type_lib, storage->type_id,ROUTING_STORAGE_TYPE_LEVEL);
390 xbt_assert(stype,"No storage type '%s'", storage->type_id);
392 XBT_DEBUG("ROUTING Create a storage name '%s' with type_id '%s' and content '%s'",
397 xbt_lib_set(storage_lib, storage->id, ROUTING_STORAGE_LEVEL, (void *) xbt_strdup(storage->type_id));
399 // if storage content is not specified use the content of storage_type if any
400 if(!strcmp(storage->content,"") && strcmp(((storage_type_t) stype)->content,"")){
401 storage->content = ((storage_type_t) stype)->content;
402 storage->content_type = ((storage_type_t) stype)->content_type;
403 XBT_DEBUG("For disk '%s' content is empty, inherit the content (of type %s) from storage type '%s' ",
404 storage->id,((storage_type_t) stype)->content_type,
405 ((storage_type_t) stype)->type_id);
408 XBT_DEBUG("SURF storage create resource\n\t\tid '%s'\n\t\ttype '%s' "
409 "\n\t\tmodel '%s' \n\t\tcontent '%s'\n\t\tcontent_type '%s' "
410 "\n\t\tproperties '%p''\n",
412 ((storage_type_t) stype)->model,
413 ((storage_type_t) stype)->type_id,
415 storage->content_type,
416 storage->properties);
418 surf_storage_model->createStorage(storage->id,
419 ((storage_type_t) stype)->type_id,
421 storage->content_type,
425 void sg_platf_new_storage_type(sg_platf_storage_type_cbarg_t storage_type){
427 xbt_assert(!xbt_lib_get_or_null(storage_type_lib, storage_type->id,ROUTING_STORAGE_TYPE_LEVEL),
428 "Reading a storage type, processing unit \"%s\" already exists", storage_type->id);
430 storage_type_t stype = xbt_new0(s_storage_type_t, 1);
431 stype->model = xbt_strdup(storage_type->model);
432 stype->properties = storage_type->properties;
433 stype->content = xbt_strdup(storage_type->content);
434 stype->content_type = xbt_strdup(storage_type->content_type);
435 stype->type_id = xbt_strdup(storage_type->id);
436 stype->size = storage_type->size;
437 stype->model_properties = storage_type->model_properties;
439 XBT_DEBUG("ROUTING Create a storage type id '%s' with model '%s', "
440 "content '%s', and content_type '%s'",
443 storage_type->content,
444 storage_type->content_type);
446 xbt_lib_set(storage_type_lib,
448 ROUTING_STORAGE_TYPE_LEVEL,
452 static void mount_free(void *p)
454 mount_t mnt = (mount_t) p;
458 void sg_platf_new_mount(sg_platf_mount_cbarg_t mount){
459 xbt_assert(xbt_lib_get_or_null(storage_lib, mount->storageId, ROUTING_STORAGE_LEVEL),
460 "Cannot mount non-existent disk \"%s\"", mount->storageId);
462 XBT_DEBUG("ROUTING Mount '%s' on '%s'",mount->storageId, mount->name);
465 mnt.storage = surf_storage_resource_priv(surf_storage_resource_by_name(mount->storageId));
466 mnt.name = xbt_strdup(mount->name);
469 XBT_DEBUG("Create a Mount list for %s",A_surfxml_host_id);
470 mount_list = xbt_dynar_new(sizeof(s_mount_t), mount_free);
472 xbt_dynar_push(mount_list, &mnt);
475 void sg_platf_new_route(sg_platf_route_cbarg_t route)
477 routing_get_current()->addRoute(route);
480 void sg_platf_new_bypassRoute(sg_platf_route_cbarg_t bypassRoute)
482 routing_get_current()->addBypassRoute(bypassRoute);
485 void sg_platf_new_process(sg_platf_process_cbarg_t process)
487 sg_host_t host = sg_host_by_name(process->host);
489 // The requested host does not exist. Do a nice message to the user
490 char *tmp = bprintf("Cannot create process '%s': host '%s' does not exist\nExisting hosts: '",process->function, process->host);
491 xbt_strbuff_t msg = xbt_strbuff_new_from(tmp);
493 xbt_dynar_t all_hosts = xbt_dynar_sort_strings(sg_hosts_as_dynar());
494 simgrid::s4u::Host* host;
496 xbt_dynar_foreach(all_hosts,cursor, host) {
497 xbt_strbuff_append(msg,host->name().c_str());
498 xbt_strbuff_append(msg,"', '");
499 if (msg->used > 1024) {
500 msg->data[msg->used-3]='\0';
503 xbt_strbuff_append(msg," ...(list truncated)......");// That will be shortened by 3 chars when existing the loop
507 msg->data[msg->used-3]='\0';
508 xbt_die("%s", msg->data);
510 simgrid::simix::ActorCodeFactory& factory = SIMIX_get_actor_code_factory(process->function);
511 xbt_assert(factory, "Function '%s' unknown", process->function);
513 double start_time = process->start_time;
514 double kill_time = process->kill_time;
515 int auto_restart = process->on_failure == SURF_PROCESS_ON_FAILURE_DIE ? 0 : 1;
517 std::vector<std::string> args(process->argv, process->argv + process->argc);
518 std::function<void()> code = factory(std::move(args));
520 smx_process_arg_t arg = nullptr;
521 smx_actor_t process_created = nullptr;
523 arg = new simgrid::simix::ProcessArg();
524 arg->name = std::string(process->argv[0]);
528 arg->kill_time = kill_time;
529 arg->properties = current_property_set;
531 sg_host_simix(host)->boot_processes.push_back(arg);
533 if (start_time > SIMIX_get_clock()) {
535 arg = new simgrid::simix::ProcessArg();
536 arg->name = std::string(process->argv[0]);
537 arg->code = std::move(code);
540 arg->kill_time = kill_time;
541 arg->properties = current_property_set;
543 XBT_DEBUG("Process %s@%s will be started at time %f",
544 arg->name.c_str(), arg->host->name().c_str(), start_time);
545 SIMIX_timer_set(start_time, [=]() {
546 simix_global->create_process_function(
548 std::move(arg->code),
557 } else { // start_time <= SIMIX_get_clock()
558 XBT_DEBUG("Starting Process %s(%s) right now",
559 arg->name.c_str(), sg_host_get_name(host));
561 process_created = simix_global->create_process_function(
562 arg->name.c_str(), std::move(code), nullptr,
564 current_property_set, auto_restart, nullptr);
566 /* verify if process has been created (won't be the case if the host is currently dead, but that's fine) */
567 if (!process_created) {
571 current_property_set = nullptr;
574 void sg_platf_new_peer(sg_platf_peer_cbarg_t peer)
576 using simgrid::kernel::routing::NetCard;
577 using simgrid::kernel::routing::AsCluster;
579 char *host_id = bprintf("peer_%s", peer->id);
580 char *router_id = bprintf("router_%s", peer->id);
584 XBT_DEBUG("<AS id=\"%s\"\trouting=\"Cluster\">", peer->id);
585 s_sg_platf_AS_cbarg_t AS;
587 AS.routing = A_surfxml_AS_routing_Cluster;
588 sg_platf_new_AS_begin(&AS);
590 XBT_DEBUG("<host\tid=\"%s\"\tpower=\"%f\"/>", host_id, peer->speed);
591 s_sg_platf_host_cbarg_t host;
592 memset(&host, 0, sizeof(host));
595 host.speed_per_pstate.push_back(peer->speed);
597 host.speed_trace = peer->availability_trace;
598 host.state_trace = peer->state_trace;
599 host.core_amount = 1;
600 sg_platf_new_host(&host);
602 s_sg_platf_link_cbarg_t link;
603 memset(&link, 0, sizeof(link));
604 link.policy = SURF_LINK_SHARED;
605 link.latency = peer->lat;
607 char* link_up = bprintf("link_%s_UP",peer->id);
608 XBT_DEBUG("<link\tid=\"%s\"\tbw=\"%f\"\tlat=\"%f\"/>", link_up, peer->bw_out, peer->lat);
610 link.bandwidth = peer->bw_out;
611 sg_platf_new_link(&link);
613 char* link_down = bprintf("link_%s_DOWN",peer->id);
614 XBT_DEBUG("<link\tid=\"%s\"\tbw=\"%f\"\tlat=\"%f\"/>", link_down, peer->bw_in, peer->lat);
616 link.bandwidth = peer->bw_in;
617 sg_platf_new_link(&link);
619 XBT_DEBUG("<host_link\tid=\"%s\"\tup=\"%s\"\tdown=\"%s\" />", host_id,link_up,link_down);
620 s_sg_platf_host_link_cbarg_t host_link;
621 memset(&host_link, 0, sizeof(host_link));
622 host_link.id = host_id;
623 host_link.link_up = link_up;
624 host_link.link_down = link_down;
625 sg_platf_new_hostlink(&host_link);
629 XBT_DEBUG("<router id=\"%s\"/>", router_id);
630 s_sg_platf_router_cbarg_t router;
631 memset(&router, 0, sizeof(router));
632 router.id = router_id;
633 router.coord = peer->coord;
634 sg_platf_new_router(&router);
637 sg_platf_new_AS_seal();
644 void sg_platf_begin() { /* Do nothing: just for symmetry of user code */ }
646 void sg_platf_end() {
647 simgrid::surf::on_postparse();
650 /* Pick the right models for CPU, net and host, and call their model_init_preparse */
651 static void surf_config_models_setup()
653 const char* host_model_name = xbt_cfg_get_string("host/model");
654 const char* vm_model_name = xbt_cfg_get_string("vm/model");
655 const char* network_model_name = xbt_cfg_get_string("network/model");
656 const char* cpu_model_name = xbt_cfg_get_string("cpu/model");
657 const char* storage_model_name = xbt_cfg_get_string("storage/model");
659 /* The compound host model is needed when using non-default net/cpu models */
660 if ((!xbt_cfg_is_default_value("network/model") || !xbt_cfg_is_default_value("cpu/model")) &&
661 xbt_cfg_is_default_value("host/model")) {
662 host_model_name = "compound";
663 xbt_cfg_set_string("host/model", host_model_name);
666 XBT_DEBUG("host model: %s", host_model_name);
667 if (!strcmp(host_model_name, "compound")) {
668 xbt_assert(cpu_model_name, "Set a cpu model to use with the 'compound' host model");
669 xbt_assert(network_model_name, "Set a network model to use with the 'compound' host model");
671 int cpu_id = find_model_description(surf_cpu_model_description, cpu_model_name);
672 surf_cpu_model_description[cpu_id].model_init_preparse();
674 int network_id = find_model_description(surf_network_model_description, network_model_name);
675 surf_network_model_description[network_id].model_init_preparse();
678 XBT_DEBUG("Call host_model_init");
679 int host_id = find_model_description(surf_host_model_description, host_model_name);
680 surf_host_model_description[host_id].model_init_preparse();
682 XBT_DEBUG("Call vm_model_init");
683 int vm_id = find_model_description(surf_vm_model_description, vm_model_name);
684 surf_vm_model_description[vm_id].model_init_preparse();
686 XBT_DEBUG("Call storage_model_init");
687 int storage_id = find_model_description(surf_storage_model_description, storage_model_name);
688 surf_storage_model_description[storage_id].model_init_preparse();
692 * \brief Add an AS to the platform
694 * Add a new autonomous system to the platform. Any elements (such as host,
695 * router or sub-AS) added after this call and before the corresponding call
696 * to sg_platf_new_AS_seal() will be added to this AS.
698 * Once this function was called, the configuration concerning the used
699 * models cannot be changed anymore.
701 * @param AS the parameters defining the AS to build.
703 simgrid::s4u::As * sg_platf_new_AS_begin(sg_platf_AS_cbarg_t AS)
705 if (!surf_parse_models_setup_already_called) {
706 /* Initialize the surf models. That must be done after we got all config, and before we need the models.
707 * That is, after the last <config> tag, if any, and before the first of cluster|peer|AS|trace|trace_connect
709 * I'm not sure for <trace> and <trace_connect>, there may be a bug here
710 * (FIXME: check it out by creating a file beginning with one of these tags)
711 * but cluster and peer create ASes internally, so putting the code in there is ok.
713 surf_parse_models_setup_already_called = 1;
714 surf_config_models_setup();
717 _sg_cfg_init_status = 2; /* HACK: direct access to the global controlling the level of configuration to prevent
718 * any further config now that we created some real content */
721 /* search the routing model */
722 simgrid::kernel::routing::AsImpl *new_as = nullptr;
724 case A_surfxml_AS_routing_Cluster:
725 new_as = new simgrid::kernel::routing::AsCluster(current_routing, AS->id);
727 case A_surfxml_AS_routing_ClusterDragonfly:
728 new_as = new simgrid::kernel::routing::AsClusterDragonfly(current_routing, AS->id);
730 case A_surfxml_AS_routing_ClusterTorus:
731 new_as = new simgrid::kernel::routing::AsClusterTorus(current_routing, AS->id);
733 case A_surfxml_AS_routing_ClusterFatTree:
734 new_as = new simgrid::kernel::routing::AsClusterFatTree(current_routing, AS->id);
736 case A_surfxml_AS_routing_Dijkstra:
737 new_as = new simgrid::kernel::routing::AsDijkstra(current_routing, AS->id, 0);
739 case A_surfxml_AS_routing_DijkstraCache:
740 new_as = new simgrid::kernel::routing::AsDijkstra(current_routing, AS->id, 1);
742 case A_surfxml_AS_routing_Floyd:
743 new_as = new simgrid::kernel::routing::AsFloyd(current_routing, AS->id);
745 case A_surfxml_AS_routing_Full:
746 new_as = new simgrid::kernel::routing::AsFull(current_routing, AS->id);
748 case A_surfxml_AS_routing_None:
749 new_as = new simgrid::kernel::routing::AsNone(current_routing, AS->id);
751 case A_surfxml_AS_routing_Vivaldi:
752 new_as = new simgrid::kernel::routing::AsVivaldi(current_routing, AS->id);
755 xbt_die("Not a valid model!");
760 if (current_routing == nullptr && routing_platf->root_ == nullptr) { /* it is the first one */
761 routing_platf->root_ = new_as;
763 } else if (current_routing != nullptr && routing_platf->root_ != nullptr) {
764 /* set the father behavior */
765 if (current_routing->hierarchy_ == simgrid::kernel::routing::AsImpl::RoutingMode::unset)
766 current_routing->hierarchy_ = simgrid::kernel::routing::AsImpl::RoutingMode::recursive;
767 /* add to the sons dictionary */
768 xbt_dict_set(current_routing->children(), AS->id, (void *) new_as, nullptr);
771 THROWF(arg_error, 0, "All defined components must belong to a AS");
774 /* set the new current component of the tree */
775 current_routing = new_as;
777 simgrid::kernel::routing::asCreatedCallbacks(new_as);
778 if (TRACE_is_enabled())
779 sg_instr_AS_begin(AS);
785 * \brief Specify that the description of the current AS is finished
787 * Once you've declared all the content of your AS, you have to seal
788 * it with this call. Your AS is not usable until you call this function.
790 void sg_platf_new_AS_seal()
792 xbt_assert(current_routing, "Cannot seal the current AS: none under construction");
793 current_routing->seal();
794 current_routing = static_cast<simgrid::kernel::routing::AsImpl*>(current_routing->father());
796 if (TRACE_is_enabled())
800 /** @brief Add a link connecting an host to the rest of its AS (which must be cluster or vivaldi) */
801 void sg_platf_new_hostlink(sg_platf_host_link_cbarg_t hostlink)
803 simgrid::kernel::routing::NetCard *netcard = sg_host_by_name(hostlink->id)->pimpl_netcard;
804 xbt_assert(netcard, "Host '%s' not found!", hostlink->id);
805 xbt_assert(dynamic_cast<simgrid::kernel::routing::AsCluster*>(current_routing),
806 "Only hosts from Cluster and Vivaldi ASes can get an host_link.");
808 s_surf_parsing_link_up_down_t link_up_down;
809 link_up_down.linkUp = Link::byName(hostlink->link_up);
810 link_up_down.linkDown = Link::byName(hostlink->link_down);
812 xbt_assert(link_up_down.linkUp, "Link '%s' not found!",hostlink->link_up);
813 xbt_assert(link_up_down.linkDown, "Link '%s' not found!",hostlink->link_down);
815 auto as_cluster = static_cast<simgrid::kernel::routing::AsCluster*>(current_routing);
817 if (as_cluster->privateLinks_.find(netcard->id()) != as_cluster->privateLinks_.end())
818 surf_parse_error("Host_link for '%s' is already defined!",hostlink->id);
820 XBT_DEBUG("Push Host_link for host '%s' to position %d", netcard->name().c_str(), netcard->id());
821 as_cluster->privateLinks_.insert({netcard->id(), link_up_down});