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 "simgrid/s4u/engine.hpp"
18 #include "src/kernel/EngineImpl.hpp"
19 #include "src/simix/smx_private.h"
21 #include "src/include/simgrid/sg_config.h"
22 #include "src/surf/xml/platf_private.hpp"
24 #include "src/surf/HostImpl.hpp"
25 #include "src/surf/cpu_interface.hpp"
26 #include "src/surf/network_interface.hpp"
28 #include "src/kernel/routing/AsCluster.hpp"
29 #include "src/kernel/routing/AsClusterDragonfly.hpp"
30 #include "src/kernel/routing/AsClusterFatTree.hpp"
31 #include "src/kernel/routing/AsClusterTorus.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/AsImpl.hpp"
36 #include "src/kernel/routing/AsNone.hpp"
37 #include "src/kernel/routing/AsVivaldi.hpp"
38 #include "src/kernel/routing/NetCard.hpp"
40 XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(surf_parse);
42 XBT_PRIVATE xbt_dynar_t mount_list = nullptr;
47 simgrid::xbt::signal<void(sg_platf_link_cbarg_t)> on_link;
48 simgrid::xbt::signal<void(sg_platf_cluster_cbarg_t)> on_cluster;
49 simgrid::xbt::signal<void(void)> on_postparse;
54 static int surf_parse_models_setup_already_called = 0;
56 /** The current AS in the parsing */
57 static simgrid::kernel::routing::AsImpl *current_routing = nullptr;
58 static simgrid::kernel::routing::AsImpl *routing_get_current()
60 return current_routing;
63 /** Module management function: creates all internal data structures */
64 void sg_platf_init() {
67 /** Module management function: frees all internal data structures */
68 void sg_platf_exit() {
69 simgrid::surf::on_link.disconnect_all_slots();
70 simgrid::surf::on_cluster.disconnect_all_slots();
71 simgrid::surf::on_postparse.disconnect_all_slots();
73 /* make sure that we will reinit the models while loading the platf once reinited */
74 surf_parse_models_setup_already_called = 0;
75 surf_parse_lex_destroy();
78 /** @brief Add an host to the current AS */
79 void sg_platf_new_host(sg_platf_host_cbarg_t args)
81 simgrid::s4u::Host* host = routing_get_current()->createHost(args->id, &args->speed_per_pstate, args->core_amount);
83 new simgrid::surf::HostImpl(host, mount_list);
84 xbt_lib_set(storage_lib, args->id, ROUTING_STORAGE_HOST_LEVEL, static_cast<void*>(mount_list));
87 if (args->properties) {
88 xbt_dict_cursor_t cursor=nullptr;
90 xbt_dict_foreach (args->properties, cursor, key, data)
91 host->setProperty(key, data);
92 xbt_dict_free(&args->properties);
95 /* Change from the defaults */
96 if (args->state_trace)
97 host->pimpl_cpu->setStateTrace(args->state_trace);
98 if (args->speed_trace)
99 host->pimpl_cpu->setSpeedTrace(args->speed_trace);
100 if (args->pstate != 0)
101 host->pimpl_cpu->setPState(args->pstate);
102 if (args->coord && strcmp(args->coord, ""))
103 new simgrid::kernel::routing::vivaldi::Coords(host, args->coord);
105 simgrid::s4u::Host::onCreation(*host);
107 if (TRACE_is_enabled() && TRACE_needs_platform())
108 sg_instr_new_host(*host);
111 /** @brief Add a "router" to the network element list */
112 void sg_platf_new_router(sg_platf_router_cbarg_t router)
114 using simgrid::kernel::routing::AsCluster;
115 simgrid::kernel::routing::AsImpl* current_routing = routing_get_current();
117 if (current_routing->hierarchy_ == simgrid::kernel::routing::AsImpl::RoutingMode::unset)
118 current_routing->hierarchy_ = simgrid::kernel::routing::AsImpl::RoutingMode::base;
119 xbt_assert(nullptr == xbt_lib_get_or_null(as_router_lib, router->id, ROUTING_ASR_LEVEL),
120 "Refusing to create a router named '%s': this name already describes a node.", router->id);
122 simgrid::kernel::routing::NetCard* netcard =
123 new simgrid::kernel::routing::NetCard(router->id, simgrid::kernel::routing::NetCard::Type::Router, current_routing);
124 xbt_lib_set(as_router_lib, router->id, ROUTING_ASR_LEVEL, netcard);
125 XBT_DEBUG("Router '%s' has the id %d", router->id, netcard->id());
127 if (router->coord && strcmp(router->coord, "")) {
131 xbt_assert(COORD_ASR_LEVEL, "To use host coordinates, please add --cfg=network/coordinates:yes to your command line");
132 /* Pre-parse the host coordinates */
133 xbt_dynar_t ctn_str = xbt_str_split_str(router->coord, " ");
134 xbt_assert(xbt_dynar_length(ctn_str)==3,"Coordinates of %s must have 3 dimensions", router->id);
135 xbt_dynar_t ctn = xbt_dynar_new(sizeof(double),nullptr);
136 xbt_dynar_foreach(ctn_str,cursor, str) {
137 double val = xbt_str_parse_double(str, "Invalid coordinate: %s");
138 xbt_dynar_push(ctn,&val);
140 xbt_dynar_free(&ctn_str);
141 xbt_dynar_shrink(ctn, 0);
142 xbt_lib_set(as_router_lib, router->id, COORD_ASR_LEVEL, (void *) ctn);
145 auto cluster = dynamic_cast<AsCluster*>(current_routing);
146 if(cluster != nullptr)
147 cluster->router_ = static_cast<simgrid::kernel::routing::NetCard*>(xbt_lib_get_or_null(as_router_lib, router->id, ROUTING_ASR_LEVEL));
149 if (TRACE_is_enabled() && TRACE_needs_platform())
150 sg_instr_new_router(router);
153 void sg_platf_new_link(sg_platf_link_cbarg_t link){
154 std::vector<char*> names;
156 if (link->policy == SURF_LINK_FULLDUPLEX) {
157 names.push_back(bprintf("%s_UP", link->id));
158 names.push_back(bprintf("%s_DOWN", link->id));
160 names.push_back(xbt_strdup(link->id));
162 for (auto link_name : names) {
163 Link* l = surf_network_model->createLink(link_name, link->bandwidth, link->latency, link->policy);
165 if (link->properties) {
166 xbt_dict_cursor_t cursor = nullptr;
168 xbt_dict_foreach (link->properties, cursor, key, data)
169 l->setProperty(key, data);
170 xbt_dict_free(&link->properties);
173 if (link->latency_trace)
174 l->setLatencyTrace(link->latency_trace);
175 if (link->bandwidth_trace)
176 l->setBandwidthTrace(link->bandwidth_trace);
177 if (link->state_trace)
178 l->setStateTrace(link->state_trace);
183 simgrid::surf::on_link(link);
186 void sg_platf_new_cluster(sg_platf_cluster_cbarg_t cluster)
188 using simgrid::kernel::routing::AsCluster;
189 using simgrid::kernel::routing::AsClusterDragonfly;
190 using simgrid::kernel::routing::AsClusterFatTree;
191 using simgrid::kernel::routing::AsClusterTorus;
195 s_sg_platf_link_cbarg_t link;
197 // What an inventive way of initializing the AS that I have as ancestor :-(
198 s_sg_platf_AS_cbarg_t AS;
200 switch (cluster->topology) {
201 case SURF_CLUSTER_TORUS:
202 AS.routing = A_surfxml_AS_routing_ClusterTorus;
204 case SURF_CLUSTER_DRAGONFLY:
205 AS.routing = A_surfxml_AS_routing_ClusterDragonfly;
207 case SURF_CLUSTER_FAT_TREE:
208 AS.routing = A_surfxml_AS_routing_ClusterFatTree;
211 AS.routing = A_surfxml_AS_routing_Cluster;
214 sg_platf_new_AS_begin(&AS);
215 simgrid::kernel::routing::AsCluster *current_as = static_cast<AsCluster*>(routing_get_current());
216 current_as->parse_specific_arguments(cluster);
218 if(cluster->loopback_bw!=0 || cluster->loopback_lat!=0){
219 current_as->linkCountPerNode_++;
220 current_as->hasLoopback_ = 1;
223 if(cluster->limiter_link!=0){
224 current_as->linkCountPerNode_++;
225 current_as->hasLimiter_ = 1;
228 for (int i : *cluster->radicals) {
229 char * host_id = bprintf("%s%d%s", cluster->prefix, i, cluster->suffix);
230 char * link_id = bprintf("%s_link_%d", cluster->id, i);
232 XBT_DEBUG("<host\tid=\"%s\"\tpower=\"%f\">", host_id, cluster->speed);
234 s_sg_platf_host_cbarg_t host;
235 memset(&host, 0, sizeof(host));
237 if ((cluster->properties != nullptr) && (!xbt_dict_is_empty(cluster->properties))) {
238 xbt_dict_cursor_t cursor=nullptr;
240 host.properties = xbt_dict_new_homogeneous(free);
242 xbt_dict_foreach(cluster->properties,cursor,key,data) {
243 xbt_dict_set(host.properties, key, xbt_strdup(data), nullptr);
247 host.speed_per_pstate.push_back(cluster->speed);
249 host.core_amount = cluster->core_amount;
251 sg_platf_new_host(&host);
252 XBT_DEBUG("</host>");
254 XBT_DEBUG("<link\tid=\"%s\"\tbw=\"%f\"\tlat=\"%f\"/>", link_id, cluster->bw, cluster->lat);
256 s_surf_parsing_link_up_down_t info_lim;
257 s_surf_parsing_link_up_down_t info_loop;
258 // All links are saved in a matrix;
259 // every row describes a single node; every node may have multiple links.
260 // the first column may store a link from x to x if p_has_loopback is set
261 // the second column may store a limiter link if p_has_limiter is set
262 // other columns are to store one or more link for the node
264 //add a loopback link
265 if(cluster->loopback_bw!=0 || cluster->loopback_lat!=0){
266 char *tmp_link = bprintf("%s_loopback", link_id);
267 XBT_DEBUG("<loopback\tid=\"%s\"\tbw=\"%f\"/>", tmp_link, cluster->loopback_bw);
269 memset(&link, 0, sizeof(link));
271 link.bandwidth = cluster->loopback_bw;
272 link.latency = cluster->loopback_lat;
273 link.policy = SURF_LINK_FATPIPE;
274 sg_platf_new_link(&link);
275 info_loop.linkUp = Link::byName(tmp_link);
276 info_loop.linkDown = Link::byName(tmp_link);
279 auto as_cluster = static_cast<AsCluster*>(current_as);
280 as_cluster->privateLinks_.insert({rankId*as_cluster->linkCountPerNode_, info_loop});
283 //add a limiter link (shared link to account for maximal bandwidth of the node)
284 if(cluster->limiter_link!=0){
285 char *tmp_link = bprintf("%s_limiter", link_id);
286 XBT_DEBUG("<limiter\tid=\"%s\"\tbw=\"%f\"/>", tmp_link, cluster->limiter_link);
288 memset(&link, 0, sizeof(link));
290 link.bandwidth = cluster->limiter_link;
292 link.policy = SURF_LINK_SHARED;
293 sg_platf_new_link(&link);
294 info_lim.linkUp = info_lim.linkDown = Link::byName(tmp_link);
296 current_as->privateLinks_.insert(
297 {rankId * current_as->linkCountPerNode_ + current_as->hasLoopback_ , info_lim});
300 //call the cluster function that adds the others links
301 if (cluster->topology == SURF_CLUSTER_FAT_TREE) {
302 static_cast<AsClusterFatTree*>(current_as)->addProcessingNode(i);
305 current_as->create_links_for_node(cluster, i, rankId,
306 rankId*current_as->linkCountPerNode_ + current_as->hasLoopback_ + current_as->hasLimiter_ );
313 // Add a router. It is magically used thanks to the way in which surf_routing_cluster is written,
314 // and it's very useful to connect clusters together
316 XBT_DEBUG("<router id=\"%s\"/>", cluster->router_id);
317 char *newid = nullptr;
318 s_sg_platf_router_cbarg_t router;
319 memset(&router, 0, sizeof(router));
320 router.id = cluster->router_id;
321 if (!router.id || !strcmp(router.id, ""))
322 router.id = newid = bprintf("%s%s_router%s", cluster->prefix, cluster->id, cluster->suffix);
323 sg_platf_new_router(&router);
324 current_as->router_ = (simgrid::kernel::routing::NetCard*) xbt_lib_get_or_null(as_router_lib, router.id, ROUTING_ASR_LEVEL);
328 if ((cluster->bb_bw != 0) || (cluster->bb_lat != 0)) {
330 memset(&link, 0, sizeof(link));
331 link.id = bprintf("%s_backbone", cluster->id);
332 link.bandwidth = cluster->bb_bw;
333 link.latency = cluster->bb_lat;
334 link.policy = cluster->bb_sharing_policy;
336 XBT_DEBUG("<link\tid=\"%s\" bw=\"%f\" lat=\"%f\"/>", link.id, cluster->bb_bw, cluster->bb_lat);
337 sg_platf_new_link(&link);
339 routing_cluster_add_backbone(Link::byName(link.id));
340 free((char*)link.id);
344 sg_platf_new_AS_seal();
346 simgrid::surf::on_cluster(cluster);
347 delete cluster->radicals;
349 void routing_cluster_add_backbone(simgrid::surf::Link* bb) {
350 simgrid::kernel::routing::AsCluster *cluster = dynamic_cast<simgrid::kernel::routing::AsCluster*>(current_routing);
352 xbt_assert(cluster, "Only hosts from Cluster can get a backbone.");
353 xbt_assert(nullptr == cluster->backbone_, "Cluster %s already has a backbone link!", cluster->name());
355 cluster->backbone_ = bb;
356 XBT_DEBUG("Add a backbone to AS '%s'", current_routing->name());
359 void sg_platf_new_cabinet(sg_platf_cabinet_cbarg_t cabinet)
361 for (int radical : *cabinet->radicals) {
362 char *hostname = bprintf("%s%d%s", cabinet->prefix, radical, cabinet->suffix);
363 s_sg_platf_host_cbarg_t host;
364 memset(&host, 0, sizeof(host));
366 host.core_amount = 1;
368 host.speed_per_pstate.push_back(cabinet->speed);
369 sg_platf_new_host(&host);
371 s_sg_platf_link_cbarg_t link;
372 memset(&link, 0, sizeof(link));
373 link.policy = SURF_LINK_FULLDUPLEX;
374 link.latency = cabinet->lat;
375 link.bandwidth = cabinet->bw;
376 link.id = bprintf("link_%s",hostname);
377 sg_platf_new_link(&link);
378 free((char*)link.id);
380 s_sg_platf_host_link_cbarg_t host_link;
381 memset(&host_link, 0, sizeof(host_link));
382 host_link.id = hostname;
383 host_link.link_up = bprintf("link_%s_UP",hostname);
384 host_link.link_down = bprintf("link_%s_DOWN",hostname);
385 sg_platf_new_hostlink(&host_link);
386 free((char*)host_link.link_up);
387 free((char*)host_link.link_down);
391 delete cabinet->radicals;
394 void sg_platf_new_storage(sg_platf_storage_cbarg_t storage)
396 xbt_assert(!xbt_lib_get_or_null(storage_lib, storage->id,ROUTING_STORAGE_LEVEL),
397 "Refusing to add a second storage named \"%s\"", storage->id);
399 void* stype = xbt_lib_get_or_null(storage_type_lib, storage->type_id,ROUTING_STORAGE_TYPE_LEVEL);
400 xbt_assert(stype,"No storage type '%s'", storage->type_id);
402 XBT_DEBUG("ROUTING Create a storage name '%s' with type_id '%s' and content '%s'",
407 xbt_lib_set(storage_lib, storage->id, ROUTING_STORAGE_LEVEL, (void *) xbt_strdup(storage->type_id));
409 // if storage content is not specified use the content of storage_type if any
410 if(!strcmp(storage->content,"") && strcmp(((storage_type_t) stype)->content,"")){
411 storage->content = ((storage_type_t) stype)->content;
412 storage->content_type = ((storage_type_t) stype)->content_type;
413 XBT_DEBUG("For disk '%s' content is empty, inherit the content (of type %s) from storage type '%s' ",
414 storage->id,((storage_type_t) stype)->content_type,
415 ((storage_type_t) stype)->type_id);
418 XBT_DEBUG("SURF storage create resource\n\t\tid '%s'\n\t\ttype '%s' "
419 "\n\t\tmodel '%s' \n\t\tcontent '%s'\n\t\tcontent_type '%s' "
420 "\n\t\tproperties '%p''\n",
422 ((storage_type_t) stype)->model,
423 ((storage_type_t) stype)->type_id,
425 storage->content_type,
426 storage->properties);
428 auto s = surf_storage_model->createStorage(storage->id, ((storage_type_t)stype)->type_id, storage->content,
429 storage->content_type, storage->attach);
431 if (storage->properties) {
432 xbt_dict_cursor_t cursor = nullptr;
434 xbt_dict_foreach (storage->properties, cursor, key, data)
435 s->setProperty(key, data);
436 xbt_dict_free(&storage->properties);
439 void sg_platf_new_storage_type(sg_platf_storage_type_cbarg_t storage_type){
441 xbt_assert(!xbt_lib_get_or_null(storage_type_lib, storage_type->id,ROUTING_STORAGE_TYPE_LEVEL),
442 "Reading a storage type, processing unit \"%s\" already exists", storage_type->id);
444 storage_type_t stype = xbt_new0(s_storage_type_t, 1);
445 stype->model = xbt_strdup(storage_type->model);
446 stype->properties = storage_type->properties;
447 stype->content = xbt_strdup(storage_type->content);
448 stype->content_type = xbt_strdup(storage_type->content_type);
449 stype->type_id = xbt_strdup(storage_type->id);
450 stype->size = storage_type->size;
451 stype->model_properties = storage_type->model_properties;
453 XBT_DEBUG("ROUTING Create a storage type id '%s' with model '%s', "
454 "content '%s', and content_type '%s'",
457 storage_type->content,
458 storage_type->content_type);
460 xbt_lib_set(storage_type_lib,
462 ROUTING_STORAGE_TYPE_LEVEL,
466 static void mount_free(void *p)
468 mount_t mnt = (mount_t) p;
472 void sg_platf_new_mount(sg_platf_mount_cbarg_t mount){
473 xbt_assert(xbt_lib_get_or_null(storage_lib, mount->storageId, ROUTING_STORAGE_LEVEL),
474 "Cannot mount non-existent disk \"%s\"", mount->storageId);
476 XBT_DEBUG("ROUTING Mount '%s' on '%s'",mount->storageId, mount->name);
479 mnt.storage = surf_storage_resource_priv(surf_storage_resource_by_name(mount->storageId));
480 mnt.name = xbt_strdup(mount->name);
483 XBT_DEBUG("Create a Mount list for %s",A_surfxml_host_id);
484 mount_list = xbt_dynar_new(sizeof(s_mount_t), mount_free);
486 xbt_dynar_push(mount_list, &mnt);
489 void sg_platf_new_route(sg_platf_route_cbarg_t route)
491 routing_get_current()->addRoute(route);
494 void sg_platf_new_bypassRoute(sg_platf_route_cbarg_t bypassRoute)
496 routing_get_current()->addBypassRoute(bypassRoute);
499 void sg_platf_new_process(sg_platf_process_cbarg_t process)
501 sg_host_t host = sg_host_by_name(process->host);
503 // The requested host does not exist. Do a nice message to the user
504 char *tmp = bprintf("Cannot create process '%s': host '%s' does not exist\nExisting hosts: '",process->function, process->host);
505 xbt_strbuff_t msg = xbt_strbuff_new_from(tmp);
507 xbt_dynar_t all_hosts = xbt_dynar_sort_strings(sg_hosts_as_dynar());
508 simgrid::s4u::Host* host;
510 xbt_dynar_foreach(all_hosts,cursor, host) {
511 xbt_strbuff_append(msg,host->name().c_str());
512 xbt_strbuff_append(msg,"', '");
513 if (msg->used > 1024) {
514 msg->data[msg->used-3]='\0';
517 xbt_strbuff_append(msg," ...(list truncated)......");// That will be shortened by 3 chars when existing the loop
521 msg->data[msg->used-3]='\0';
522 xbt_die("%s", msg->data);
524 simgrid::simix::ActorCodeFactory& factory = SIMIX_get_actor_code_factory(process->function);
525 xbt_assert(factory, "Function '%s' unknown", process->function);
527 double start_time = process->start_time;
528 double kill_time = process->kill_time;
529 int auto_restart = process->on_failure == SURF_PROCESS_ON_FAILURE_DIE ? 0 : 1;
531 std::vector<std::string> args(process->argv, process->argv + process->argc);
532 std::function<void()> code = factory(std::move(args));
534 smx_process_arg_t arg = nullptr;
535 smx_actor_t process_created = nullptr;
537 arg = new simgrid::simix::ProcessArg();
538 arg->name = std::string(process->argv[0]);
542 arg->kill_time = kill_time;
543 arg->properties = current_property_set;
545 sg_host_simix(host)->boot_processes.push_back(arg);
547 if (start_time > SIMIX_get_clock()) {
549 arg = new simgrid::simix::ProcessArg();
550 arg->name = std::string(process->argv[0]);
551 arg->code = std::move(code);
554 arg->kill_time = kill_time;
555 arg->properties = current_property_set;
557 XBT_DEBUG("Process %s@%s will be started at time %f",
558 arg->name.c_str(), arg->host->name().c_str(), start_time);
559 SIMIX_timer_set(start_time, [=]() {
560 simix_global->create_process_function(
562 std::move(arg->code),
571 } else { // start_time <= SIMIX_get_clock()
572 XBT_DEBUG("Starting Process %s(%s) right now", arg->name.c_str(), host->cname());
574 process_created = simix_global->create_process_function(
575 arg->name.c_str(), std::move(code), nullptr,
577 current_property_set, auto_restart, nullptr);
579 /* verify if process has been created (won't be the case if the host is currently dead, but that's fine) */
580 if (!process_created) {
584 current_property_set = nullptr;
587 void sg_platf_new_peer(sg_platf_peer_cbarg_t peer)
589 using simgrid::kernel::routing::NetCard;
590 using simgrid::kernel::routing::AsCluster;
592 char *host_id = bprintf("peer_%s", peer->id);
593 char *router_id = bprintf("router_%s", peer->id);
597 XBT_DEBUG("<AS id=\"%s\"\trouting=\"Cluster\">", peer->id);
598 s_sg_platf_AS_cbarg_t AS;
600 AS.routing = A_surfxml_AS_routing_Cluster;
601 sg_platf_new_AS_begin(&AS);
603 XBT_DEBUG("<host\tid=\"%s\"\tpower=\"%f\"/>", host_id, peer->speed);
604 s_sg_platf_host_cbarg_t host;
605 memset(&host, 0, sizeof(host));
608 host.speed_per_pstate.push_back(peer->speed);
610 host.speed_trace = peer->availability_trace;
611 host.state_trace = peer->state_trace;
612 host.core_amount = 1;
613 sg_platf_new_host(&host);
615 s_sg_platf_link_cbarg_t link;
616 memset(&link, 0, sizeof(link));
617 link.policy = SURF_LINK_SHARED;
618 link.latency = peer->lat;
620 char* link_up = bprintf("link_%s_UP",peer->id);
621 XBT_DEBUG("<link\tid=\"%s\"\tbw=\"%f\"\tlat=\"%f\"/>", link_up, peer->bw_out, peer->lat);
623 link.bandwidth = peer->bw_out;
624 sg_platf_new_link(&link);
626 char* link_down = bprintf("link_%s_DOWN",peer->id);
627 XBT_DEBUG("<link\tid=\"%s\"\tbw=\"%f\"\tlat=\"%f\"/>", link_down, peer->bw_in, peer->lat);
629 link.bandwidth = peer->bw_in;
630 sg_platf_new_link(&link);
632 XBT_DEBUG("<host_link\tid=\"%s\"\tup=\"%s\"\tdown=\"%s\" />", host_id,link_up,link_down);
633 s_sg_platf_host_link_cbarg_t host_link;
634 memset(&host_link, 0, sizeof(host_link));
635 host_link.id = host_id;
636 host_link.link_up = link_up;
637 host_link.link_down = link_down;
638 sg_platf_new_hostlink(&host_link);
642 XBT_DEBUG("<router id=\"%s\"/>", router_id);
643 s_sg_platf_router_cbarg_t router;
644 memset(&router, 0, sizeof(router));
645 router.id = router_id;
646 router.coord = peer->coord;
647 sg_platf_new_router(&router);
650 sg_platf_new_AS_seal();
657 void sg_platf_begin() { /* Do nothing: just for symmetry of user code */ }
659 void sg_platf_end() {
660 simgrid::surf::on_postparse();
663 /* Pick the right models for CPU, net and host, and call their model_init_preparse */
664 static void surf_config_models_setup()
666 const char* host_model_name = xbt_cfg_get_string("host/model");
667 const char* vm_model_name = xbt_cfg_get_string("vm/model");
668 const char* network_model_name = xbt_cfg_get_string("network/model");
669 const char* cpu_model_name = xbt_cfg_get_string("cpu/model");
670 const char* storage_model_name = xbt_cfg_get_string("storage/model");
672 /* The compound host model is needed when using non-default net/cpu models */
673 if ((!xbt_cfg_is_default_value("network/model") || !xbt_cfg_is_default_value("cpu/model")) &&
674 xbt_cfg_is_default_value("host/model")) {
675 host_model_name = "compound";
676 xbt_cfg_set_string("host/model", host_model_name);
679 XBT_DEBUG("host model: %s", host_model_name);
680 if (!strcmp(host_model_name, "compound")) {
681 xbt_assert(cpu_model_name, "Set a cpu model to use with the 'compound' host model");
682 xbt_assert(network_model_name, "Set a network model to use with the 'compound' host model");
684 int cpu_id = find_model_description(surf_cpu_model_description, cpu_model_name);
685 surf_cpu_model_description[cpu_id].model_init_preparse();
687 int network_id = find_model_description(surf_network_model_description, network_model_name);
688 surf_network_model_description[network_id].model_init_preparse();
691 XBT_DEBUG("Call host_model_init");
692 int host_id = find_model_description(surf_host_model_description, host_model_name);
693 surf_host_model_description[host_id].model_init_preparse();
695 XBT_DEBUG("Call vm_model_init");
696 int vm_id = find_model_description(surf_vm_model_description, vm_model_name);
697 surf_vm_model_description[vm_id].model_init_preparse();
699 XBT_DEBUG("Call storage_model_init");
700 int storage_id = find_model_description(surf_storage_model_description, storage_model_name);
701 surf_storage_model_description[storage_id].model_init_preparse();
705 * \brief Add an AS to the platform
707 * Add a new autonomous system to the platform. Any elements (such as host,
708 * router or sub-AS) added after this call and before the corresponding call
709 * to sg_platf_new_AS_seal() will be added to this AS.
711 * Once this function was called, the configuration concerning the used
712 * models cannot be changed anymore.
714 * @param AS the parameters defining the AS to build.
716 simgrid::s4u::As * sg_platf_new_AS_begin(sg_platf_AS_cbarg_t AS)
718 if (!surf_parse_models_setup_already_called) {
719 /* Initialize the surf models. That must be done after we got all config, and before we need the models.
720 * That is, after the last <config> tag, if any, and before the first of cluster|peer|AS|trace|trace_connect
722 * I'm not sure for <trace> and <trace_connect>, there may be a bug here
723 * (FIXME: check it out by creating a file beginning with one of these tags)
724 * but cluster and peer create ASes internally, so putting the code in there is ok.
726 surf_parse_models_setup_already_called = 1;
727 surf_config_models_setup();
730 _sg_cfg_init_status = 2; /* HACK: direct access to the global controlling the level of configuration to prevent
731 * any further config now that we created some real content */
734 /* search the routing model */
735 simgrid::kernel::routing::AsImpl *new_as = nullptr;
737 case A_surfxml_AS_routing_Cluster:
738 new_as = new simgrid::kernel::routing::AsCluster(current_routing, AS->id);
740 case A_surfxml_AS_routing_ClusterDragonfly:
741 new_as = new simgrid::kernel::routing::AsClusterDragonfly(current_routing, AS->id);
743 case A_surfxml_AS_routing_ClusterTorus:
744 new_as = new simgrid::kernel::routing::AsClusterTorus(current_routing, AS->id);
746 case A_surfxml_AS_routing_ClusterFatTree:
747 new_as = new simgrid::kernel::routing::AsClusterFatTree(current_routing, AS->id);
749 case A_surfxml_AS_routing_Dijkstra:
750 new_as = new simgrid::kernel::routing::AsDijkstra(current_routing, AS->id, 0);
752 case A_surfxml_AS_routing_DijkstraCache:
753 new_as = new simgrid::kernel::routing::AsDijkstra(current_routing, AS->id, 1);
755 case A_surfxml_AS_routing_Floyd:
756 new_as = new simgrid::kernel::routing::AsFloyd(current_routing, AS->id);
758 case A_surfxml_AS_routing_Full:
759 new_as = new simgrid::kernel::routing::AsFull(current_routing, AS->id);
761 case A_surfxml_AS_routing_None:
762 new_as = new simgrid::kernel::routing::AsNone(current_routing, AS->id);
764 case A_surfxml_AS_routing_Vivaldi:
765 new_as = new simgrid::kernel::routing::AsVivaldi(current_routing, AS->id);
768 xbt_die("Not a valid model!");
772 if (current_routing == nullptr) { /* it is the first one */
773 xbt_assert(simgrid::s4u::Engine::instance()->pimpl->rootAs_ == nullptr,
774 "All defined components must belong to a AS");
775 simgrid::s4u::Engine::instance()->pimpl->rootAs_ = new_as;
778 /* set the father behavior */
779 if (current_routing->hierarchy_ == simgrid::kernel::routing::AsImpl::RoutingMode::unset)
780 current_routing->hierarchy_ = simgrid::kernel::routing::AsImpl::RoutingMode::recursive;
781 /* add to the sons dictionary */
782 xbt_dict_set(current_routing->children(), AS->id, (void *) new_as, nullptr);
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});