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/cpu_interface.hpp"
23 #include "src/surf/network_interface.hpp"
24 #include "surf/surf_routing.h" // FIXME: brain dead public header
26 #include "src/surf/AsImpl.hpp"
27 #include "src/surf/AsCluster.hpp"
28 #include "src/surf/AsClusterTorus.hpp"
29 #include "src/surf/AsClusterFatTree.hpp"
30 #include "src/surf/AsClusterDragonfly.hpp"
31 #include "src/surf/AsDijkstra.hpp"
32 #include "src/surf/AsFloyd.hpp"
33 #include "src/surf/AsFull.hpp"
34 #include "src/surf/AsNone.hpp"
35 #include "src/surf/AsVivaldi.hpp"
37 XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(surf_parse);
39 XBT_PRIVATE xbt_dynar_t mount_list = nullptr;
44 simgrid::xbt::signal<void(sg_platf_link_cbarg_t)> on_link;
45 simgrid::xbt::signal<void(sg_platf_cluster_cbarg_t)> on_cluster;
46 simgrid::xbt::signal<void(void)> on_postparse;
51 static int surf_parse_models_setup_already_called = 0;
53 /* Turn something like "1-4,6,9-11" into the vector {1,2,3,4,6,9,10,11} */
54 static std::vector<int> *explodesRadical(const char*radicals){
55 std::vector<int> *exploded = new std::vector<int>();
60 xbt_dynar_t radical_elements = xbt_str_split(radicals, ",");
61 xbt_dynar_foreach(radical_elements, iter, groups) {
63 xbt_dynar_t radical_ends = xbt_str_split(groups, "-");
64 int start = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 0, char *));
67 switch (xbt_dynar_length(radical_ends)) {
72 end = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 1, char *));
75 surf_parse_error("Malformed radical: %s", groups);
79 for (int i = start; i <= end; i++)
80 exploded->push_back( i );
82 xbt_dynar_free(&radical_ends);
84 xbt_dynar_free(&radical_elements);
90 /** The current AS in the parsing */
91 static simgrid::routing::AsImpl *current_routing = nullptr;
92 static simgrid::routing::AsImpl* routing_get_current()
94 return current_routing;
97 /** Module management function: creates all internal data structures */
98 void sg_platf_init(void) {
101 /** Module management function: frees all internal data structures */
102 void sg_platf_exit(void) {
103 simgrid::surf::on_link.disconnect_all_slots();
104 simgrid::surf::on_cluster.disconnect_all_slots();
105 simgrid::surf::on_postparse.disconnect_all_slots();
107 /* make sure that we will reinit the models while loading the platf once reinited */
108 surf_parse_models_setup_already_called = 0;
109 surf_parse_lex_destroy();
112 /** @brief Add an "host" to the current AS */
113 void sg_platf_new_host(sg_platf_host_cbarg_t host)
115 xbt_assert(sg_host_by_name(host->id) == nullptr, "Refusing to create a second host named '%s'.", host->id);
117 simgrid::routing::AsImpl* current_routing = routing_get_current();
118 if (current_routing->hierarchy_ == simgrid::routing::AsImpl::RoutingMode::unset)
119 current_routing->hierarchy_ = simgrid::routing::AsImpl::RoutingMode::base;
121 simgrid::routing::NetCard *netcard =
122 new simgrid::routing::NetCardImpl(host->id, simgrid::routing::NetCard::Type::Host, current_routing);
124 sg_host_t h = simgrid::s4u::Host::by_name_or_create(host->id);
125 h->pimpl_netcard = netcard;
128 xbt_lib_set(storage_lib, host->id, ROUTING_STORAGE_HOST_LEVEL, (void *) mount_list);
129 mount_list = nullptr;
132 if (host->coord && strcmp(host->coord, "")) {
136 xbt_assert(COORD_HOST_LEVEL, "To use host coordinates, please add --cfg=network/coordinates:yes to your command line");
137 /* Pre-parse the host coordinates -- FIXME factorize with routers by overloading the routing->parse_PU function*/
138 xbt_dynar_t ctn_str = xbt_str_split_str(host->coord, " ");
139 xbt_assert(xbt_dynar_length(ctn_str)==3,"Coordinates of %s must have 3 dimensions", host->id);
141 xbt_dynar_t ctn = xbt_dynar_new(sizeof(double),nullptr);
142 xbt_dynar_foreach(ctn_str,cursor, str) {
143 double val = xbt_str_parse_double(str, "Invalid coordinate: %s");
144 xbt_dynar_push(ctn,&val);
146 xbt_dynar_free(&ctn_str);
147 xbt_dynar_shrink(ctn, 0);
148 h->extension_set(COORD_HOST_LEVEL, (void *) ctn);
151 simgrid::surf::Cpu *cpu = surf_cpu_model_pm->createCpu( h, host->speed_per_pstate, host->core_amount);
152 if (host->state_trace)
153 cpu->setStateTrace(host->state_trace);
154 if (host->speed_trace)
155 cpu->setSpeedTrace(host->speed_trace);
156 surf_host_model->createHost(host->id, netcard, cpu)->attach(h);
158 if (host->properties) {
159 xbt_dict_cursor_t cursor=nullptr;
161 xbt_dict_foreach(host->properties,cursor,key,data)
162 h->setProperty(key,data);
163 xbt_dict_free(&host->properties);
166 if (host->pstate != 0)
167 cpu->setPState(host->pstate);
169 simgrid::s4u::Host::onCreation(*h);
171 if (TRACE_is_enabled() && TRACE_needs_platform())
172 sg_instr_new_host(host);
175 /** @brief Add a "router" to the network element list */
176 void sg_platf_new_router(sg_platf_router_cbarg_t router)
178 simgrid::routing::AsImpl* current_routing = routing_get_current();
180 if (current_routing->hierarchy_ == simgrid::routing::AsImpl::RoutingMode::unset)
181 current_routing->hierarchy_ = simgrid::routing::AsImpl::RoutingMode::base;
182 xbt_assert(nullptr == xbt_lib_get_or_null(as_router_lib, router->id, ROUTING_ASR_LEVEL),
183 "Refusing to create a router named '%s': this name already describes a node.", router->id);
185 simgrid::routing::NetCard* netcard =
186 new simgrid::routing::NetCardImpl(router->id, simgrid::routing::NetCard::Type::Router, current_routing);
187 xbt_lib_set(as_router_lib, router->id, ROUTING_ASR_LEVEL, netcard);
188 XBT_DEBUG("Router '%s' has the id %d", router->id, netcard->id());
190 if (router->coord && strcmp(router->coord, "")) {
194 xbt_assert(COORD_ASR_LEVEL, "To use host coordinates, please add --cfg=network/coordinates:yes to your command line");
195 /* Pre-parse the host coordinates */
196 xbt_dynar_t ctn_str = xbt_str_split_str(router->coord, " ");
197 xbt_assert(xbt_dynar_length(ctn_str)==3,"Coordinates of %s must have 3 dimensions", router->id);
198 xbt_dynar_t ctn = xbt_dynar_new(sizeof(double),nullptr);
199 xbt_dynar_foreach(ctn_str,cursor, str) {
200 double val = xbt_str_parse_double(str, "Invalid coordinate: %s");
201 xbt_dynar_push(ctn,&val);
203 xbt_dynar_free(&ctn_str);
204 xbt_dynar_shrink(ctn, 0);
205 xbt_lib_set(as_router_lib, router->id, COORD_ASR_LEVEL, (void *) ctn);
208 if (TRACE_is_enabled() && TRACE_needs_platform())
209 sg_instr_new_router(router);
212 void sg_platf_new_link(sg_platf_link_cbarg_t link){
213 std::vector<char*> names;
215 if (link->policy == SURF_LINK_FULLDUPLEX) {
216 names.push_back(bprintf("%s_UP", link->id));
217 names.push_back(bprintf("%s_DOWN", link->id));
219 names.push_back(xbt_strdup(link->id));
221 for (auto link_name : names) {
222 Link *l = surf_network_model->createLink(link_name, link->bandwidth, link->latency, link->policy, link->properties);
224 if (link->latency_trace)
225 l->setLatencyTrace(link->latency_trace);
226 if (link->bandwidth_trace)
227 l->setBandwidthTrace(link->bandwidth_trace);
228 if (link->state_trace)
229 l->setStateTrace(link->state_trace);
234 simgrid::surf::on_link(link);
237 void sg_platf_new_cluster(sg_platf_cluster_cbarg_t cluster)
239 using simgrid::routing::AsCluster;
240 using simgrid::routing::AsClusterDragonfly;
241 using simgrid::routing::AsClusterFatTree;
242 using simgrid::routing::AsClusterTorus;
246 s_sg_platf_link_cbarg_t link;
248 // What an inventive way of initializing the AS that I have as ancestor :-(
249 s_sg_platf_AS_cbarg_t AS;
251 switch (cluster->topology) {
252 case SURF_CLUSTER_TORUS:
253 AS.routing = A_surfxml_AS_routing_ClusterTorus;
255 case SURF_CLUSTER_DRAGONFLY:
256 AS.routing = A_surfxml_AS_routing_ClusterDragonfly;
258 case SURF_CLUSTER_FAT_TREE:
259 AS.routing = A_surfxml_AS_routing_ClusterFatTree;
262 AS.routing = A_surfxml_AS_routing_Cluster;
265 sg_platf_new_AS_begin(&AS);
266 simgrid::routing::AsCluster *current_as = static_cast<AsCluster*>(routing_get_current());
267 current_as->parse_specific_arguments(cluster);
269 if(cluster->loopback_bw!=0 || cluster->loopback_lat!=0){
270 current_as->linkCountPerNode_++;
271 current_as->hasLoopback_ = 1;
274 if(cluster->limiter_link!=0){
275 current_as->linkCountPerNode_++;
276 current_as->hasLimiter_ = 1;
279 std::vector<int> *radicals = explodesRadical(cluster->radical);
280 for (int i : *radicals) {
281 char * host_id = bprintf("%s%d%s", cluster->prefix, i, cluster->suffix);
282 char * link_id = bprintf("%s_link_%d", cluster->id, i);
284 XBT_DEBUG("<host\tid=\"%s\"\tpower=\"%f\">", host_id, cluster->speed);
286 s_sg_platf_host_cbarg_t host;
287 memset(&host, 0, sizeof(host));
289 if ((cluster->properties != nullptr) && (!xbt_dict_is_empty(cluster->properties))) {
290 xbt_dict_cursor_t cursor=nullptr;
292 host.properties = xbt_dict_new();
294 xbt_dict_foreach(cluster->properties,cursor,key,data) {
295 xbt_dict_set(host.properties, key, xbt_strdup(data),free);
299 host.speed_per_pstate = xbt_dynar_new(sizeof(double), nullptr);
300 xbt_dynar_push(host.speed_per_pstate,&cluster->speed);
302 host.core_amount = cluster->core_amount;
304 sg_platf_new_host(&host);
305 xbt_dynar_free(&host.speed_per_pstate);
306 XBT_DEBUG("</host>");
308 XBT_DEBUG("<link\tid=\"%s\"\tbw=\"%f\"\tlat=\"%f\"/>", link_id, cluster->bw, cluster->lat);
310 s_surf_parsing_link_up_down_t info_lim, info_loop;
311 // All links are saved in a matrix;
312 // every row describes a single node; every node may have multiple links.
313 // the first column may store a link from x to x if p_has_loopback is set
314 // the second column may store a limiter link if p_has_limiter is set
315 // other columns are to store one or more link for the node
317 //add a loopback link
318 if(cluster->loopback_bw!=0 || cluster->loopback_lat!=0){
319 char *tmp_link = bprintf("%s_loopback", link_id);
320 XBT_DEBUG("<loopback\tid=\"%s\"\tbw=\"%f\"/>", tmp_link, cluster->loopback_bw);
322 memset(&link, 0, sizeof(link));
324 link.bandwidth = cluster->loopback_bw;
325 link.latency = cluster->loopback_lat;
326 link.policy = SURF_LINK_FATPIPE;
327 sg_platf_new_link(&link);
328 info_loop.linkUp = info_loop.linkDown = Link::byName(tmp_link);
330 auto as_cluster = static_cast<AsCluster*>(current_as);
331 xbt_dynar_set(as_cluster->privateLinks_, rankId*as_cluster->linkCountPerNode_, &info_loop);
334 //add a limiter link (shared link to account for maximal bandwidth of the node)
335 if(cluster->limiter_link!=0){
336 char *tmp_link = bprintf("%s_limiter", link_id);
337 XBT_DEBUG("<limiter\tid=\"%s\"\tbw=\"%f\"/>", tmp_link, cluster->limiter_link);
339 memset(&link, 0, sizeof(link));
341 link.bandwidth = cluster->limiter_link;
343 link.policy = SURF_LINK_SHARED;
344 sg_platf_new_link(&link);
345 info_lim.linkUp = info_lim.linkDown = Link::byName(tmp_link);
347 xbt_dynar_set(current_as->privateLinks_, rankId * current_as->linkCountPerNode_ + current_as->hasLoopback_ , &info_lim);
350 //call the cluster function that adds the others links
351 if (cluster->topology == SURF_CLUSTER_FAT_TREE) {
352 ((AsClusterFatTree*) current_as)->addProcessingNode(i);
355 current_as->create_links_for_node(cluster, i, rankId,
356 rankId*current_as->linkCountPerNode_ + current_as->hasLoopback_ + current_as->hasLimiter_ );
364 // Add a router. It is magically used thanks to the way in which surf_routing_cluster is written,
365 // and it's very useful to connect clusters together
367 XBT_DEBUG("<router id=\"%s\"/>", cluster->router_id);
368 char *newid = nullptr;
369 s_sg_platf_router_cbarg_t router;
370 memset(&router, 0, sizeof(router));
371 router.id = cluster->router_id;
372 if (!router.id || !strcmp(router.id, ""))
373 router.id = newid = bprintf("%s%s_router%s", cluster->prefix, cluster->id, cluster->suffix);
374 sg_platf_new_router(&router);
375 current_as->router_ = (simgrid::routing::NetCard*) xbt_lib_get_or_null(as_router_lib, router.id, ROUTING_ASR_LEVEL);
379 if ((cluster->bb_bw != 0) || (cluster->bb_lat != 0)) {
381 memset(&link, 0, sizeof(link));
382 link.id = bprintf("%s_backbone", cluster->id);
383 link.bandwidth = cluster->bb_bw;
384 link.latency = cluster->bb_lat;
385 link.policy = cluster->bb_sharing_policy;
387 XBT_DEBUG("<link\tid=\"%s\" bw=\"%f\" lat=\"%f\"/>", link.id, cluster->bb_bw, cluster->bb_lat);
388 sg_platf_new_link(&link);
390 routing_cluster_add_backbone(Link::byName(link.id));
391 free((char*)link.id);
395 sg_platf_new_AS_seal();
397 simgrid::surf::on_cluster(cluster);
399 void routing_cluster_add_backbone(simgrid::surf::Link* bb) {
400 simgrid::routing::AsCluster *cluster = dynamic_cast<simgrid::routing::AsCluster*>(current_routing);
402 xbt_assert(cluster, "Only hosts from Cluster can get a backbone.");
403 xbt_assert(nullptr == cluster->backbone_, "Cluster %s already has a backbone link!", cluster->name());
405 cluster->backbone_ = bb;
406 XBT_DEBUG("Add a backbone to AS '%s'", current_routing->name());
409 void sg_platf_new_cabinet(sg_platf_cabinet_cbarg_t cabinet)
411 std::vector<int> *radicals = explodesRadical(cabinet->radical);
413 for (int radical : *radicals) {
414 char *hostname = bprintf("%s%d%s", cabinet->prefix, radical, cabinet->suffix);
415 s_sg_platf_host_cbarg_t host;
416 memset(&host, 0, sizeof(host));
418 host.core_amount = 1;
420 host.speed_per_pstate = xbt_dynar_new(sizeof(double), nullptr);
421 xbt_dynar_push(host.speed_per_pstate,&cabinet->speed);
422 sg_platf_new_host(&host);
423 xbt_dynar_free(&host.speed_per_pstate);
425 s_sg_platf_link_cbarg_t link;
426 memset(&link, 0, sizeof(link));
427 link.policy = SURF_LINK_FULLDUPLEX;
428 link.latency = cabinet->lat;
429 link.bandwidth = cabinet->bw;
430 link.id = bprintf("link_%s",hostname);
431 sg_platf_new_link(&link);
432 free((char*)link.id);
434 s_sg_platf_host_link_cbarg_t host_link;
435 memset(&host_link, 0, sizeof(host_link));
436 host_link.id = hostname;
437 host_link.link_up = bprintf("link_%s_UP",hostname);
438 host_link.link_down = bprintf("link_%s_DOWN",hostname);
439 sg_platf_new_hostlink(&host_link);
440 free((char*)host_link.link_up);
441 free((char*)host_link.link_down);
448 void sg_platf_new_storage(sg_platf_storage_cbarg_t storage)
450 xbt_assert(!xbt_lib_get_or_null(storage_lib, storage->id,ROUTING_STORAGE_LEVEL),
451 "Refusing to add a second storage named \"%s\"", storage->id);
453 void* stype = xbt_lib_get_or_null(storage_type_lib, storage->type_id,ROUTING_STORAGE_TYPE_LEVEL);
454 xbt_assert(stype,"No storage type '%s'", storage->type_id);
456 XBT_DEBUG("ROUTING Create a storage name '%s' with type_id '%s' and content '%s'",
461 xbt_lib_set(storage_lib, storage->id, ROUTING_STORAGE_LEVEL, (void *) xbt_strdup(storage->type_id));
463 // if storage content is not specified use the content of storage_type if any
464 if(!strcmp(storage->content,"") && strcmp(((storage_type_t) stype)->content,"")){
465 storage->content = ((storage_type_t) stype)->content;
466 storage->content_type = ((storage_type_t) stype)->content_type;
467 XBT_DEBUG("For disk '%s' content is empty, inherit the content (of type %s) from storage type '%s' ",
468 storage->id,((storage_type_t) stype)->content_type,
469 ((storage_type_t) stype)->type_id);
472 XBT_DEBUG("SURF storage create resource\n\t\tid '%s'\n\t\ttype '%s' "
473 "\n\t\tmodel '%s' \n\t\tcontent '%s'\n\t\tcontent_type '%s' "
474 "\n\t\tproperties '%p''\n",
476 ((storage_type_t) stype)->model,
477 ((storage_type_t) stype)->type_id,
479 storage->content_type,
480 storage->properties);
482 surf_storage_model->createStorage(storage->id,
483 ((storage_type_t) stype)->type_id,
485 storage->content_type,
489 void sg_platf_new_storage_type(sg_platf_storage_type_cbarg_t storage_type){
491 xbt_assert(!xbt_lib_get_or_null(storage_type_lib, storage_type->id,ROUTING_STORAGE_TYPE_LEVEL),
492 "Reading a storage type, processing unit \"%s\" already exists", storage_type->id);
494 storage_type_t stype = xbt_new0(s_storage_type_t, 1);
495 stype->model = xbt_strdup(storage_type->model);
496 stype->properties = storage_type->properties;
497 stype->content = xbt_strdup(storage_type->content);
498 stype->content_type = xbt_strdup(storage_type->content_type);
499 stype->type_id = xbt_strdup(storage_type->id);
500 stype->size = storage_type->size;
501 stype->model_properties = storage_type->model_properties;
503 XBT_DEBUG("ROUTING Create a storage type id '%s' with model '%s', "
504 "content '%s', and content_type '%s'",
507 storage_type->content,
508 storage_type->content_type);
510 xbt_lib_set(storage_type_lib,
512 ROUTING_STORAGE_TYPE_LEVEL,
516 static void mount_free(void *p)
518 mount_t mnt = (mount_t) p;
522 void sg_platf_new_mount(sg_platf_mount_cbarg_t mount){
523 xbt_assert(xbt_lib_get_or_null(storage_lib, mount->storageId, ROUTING_STORAGE_LEVEL),
524 "Cannot mount non-existent disk \"%s\"", mount->storageId);
526 XBT_DEBUG("ROUTING Mount '%s' on '%s'",mount->storageId, mount->name);
529 mnt.storage = surf_storage_resource_priv(surf_storage_resource_by_name(mount->storageId));
530 mnt.name = xbt_strdup(mount->name);
533 XBT_DEBUG("Create a Mount list for %s",A_surfxml_host_id);
534 mount_list = xbt_dynar_new(sizeof(s_mount_t), mount_free);
536 xbt_dynar_push(mount_list, &mnt);
539 void sg_platf_new_route(sg_platf_route_cbarg_t route)
541 routing_get_current()->addRoute(route);
544 void sg_platf_new_bypassRoute(sg_platf_route_cbarg_t bypassRoute)
546 routing_get_current()->addBypassRoute(bypassRoute);
549 void sg_platf_new_process(sg_platf_process_cbarg_t process)
551 sg_host_t host = sg_host_by_name(process->host);
553 // The requested host does not exist. Do a nice message to the user
554 char *tmp = bprintf("Cannot create process '%s': host '%s' does not exist\nExisting hosts: '",process->function, process->host);
555 xbt_strbuff_t msg = xbt_strbuff_new_from(tmp);
557 xbt_dynar_t all_hosts = xbt_dynar_sort_strings(sg_hosts_as_dynar());
558 simgrid::s4u::Host* host;
560 xbt_dynar_foreach(all_hosts,cursor, host) {
561 xbt_strbuff_append(msg,host->name().c_str());
562 xbt_strbuff_append(msg,"', '");
563 if (msg->used > 1024) {
564 msg->data[msg->used-3]='\0';
567 xbt_strbuff_append(msg," ...(list truncated)......");// That will be shortened by 3 chars when existing the loop
570 msg->data[msg->used-3]='\0';
571 xbt_die("%s", msg->data);
573 simgrid::simix::ActorCodeFactory& factory = SIMIX_get_actor_code_factory(process->function);
574 xbt_assert(factory, "Function '%s' unknown", process->function);
576 double start_time = process->start_time;
577 double kill_time = process->kill_time;
578 int auto_restart = process->on_failure == SURF_PROCESS_ON_FAILURE_DIE ? 0 : 1;
580 std::function<void()> code = factory(simgrid::xbt::args(process->argc, process->argv));
582 smx_process_arg_t arg = nullptr;
583 smx_process_t process_created = nullptr;
585 arg = new simgrid::simix::ProcessArg();
586 arg->name = std::string(process->argv[0]);
589 arg->hostname = sg_host_get_name(host);
590 arg->kill_time = kill_time;
591 arg->properties = current_property_set;
592 if (!sg_host_simix(host)->boot_processes)
593 sg_host_simix(host)->boot_processes = xbt_dynar_new(sizeof(smx_process_arg_t), _SIMIX_host_free_process_arg);
595 xbt_dynar_push_as(sg_host_simix(host)->boot_processes,smx_process_arg_t,arg);
597 if (start_time > SIMIX_get_clock()) {
599 arg = new simgrid::simix::ProcessArg();
600 arg->name = std::string(process->argv[0]);
601 arg->code = std::move(code);
603 arg->hostname = sg_host_get_name(host);
604 arg->kill_time = kill_time;
605 arg->properties = current_property_set;
607 XBT_DEBUG("Process %s(%s) will be started at time %f",
608 arg->name.c_str(), arg->hostname, start_time);
609 SIMIX_timer_set(start_time, [=]() {
610 simix_global->create_process_function(
612 std::move(arg->code),
621 } else { // start_time <= SIMIX_get_clock()
622 XBT_DEBUG("Starting Process %s(%s) right now",
623 arg->name.c_str(), sg_host_get_name(host));
625 if (simix_global->create_process_function)
626 process_created = simix_global->create_process_function(
627 arg->name.c_str(), std::move(code), nullptr,
628 sg_host_get_name(host), kill_time,
629 current_property_set, auto_restart, nullptr);
631 process_created = simcall_process_create(
632 arg->name.c_str(), std::move(code), nullptr, sg_host_get_name(host), kill_time,
633 current_property_set,auto_restart);
635 /* verify if process has been created (won't be the case if the host is currently dead, but that's fine) */
636 if (!process_created) {
640 current_property_set = nullptr;
643 void sg_platf_new_peer(sg_platf_peer_cbarg_t peer)
645 using simgrid::routing::NetCard;
646 using simgrid::routing::AsCluster;
648 char *host_id = bprintf("peer_%s", peer->id);
649 char *router_id = bprintf("router_%s", peer->id);
653 XBT_DEBUG("<AS id=\"%s\"\trouting=\"Cluster\">", peer->id);
654 s_sg_platf_AS_cbarg_t AS;
656 AS.routing = A_surfxml_AS_routing_Cluster;
657 sg_platf_new_AS_begin(&AS);
659 XBT_DEBUG("<host\tid=\"%s\"\tpower=\"%f\"/>", host_id, peer->speed);
660 s_sg_platf_host_cbarg_t host;
661 memset(&host, 0, sizeof(host));
664 host.speed_per_pstate = xbt_dynar_new(sizeof(double), nullptr);
665 xbt_dynar_push(host.speed_per_pstate,&peer->speed);
667 host.speed_trace = peer->availability_trace;
668 host.state_trace = peer->state_trace;
669 host.core_amount = 1;
670 sg_platf_new_host(&host);
671 xbt_dynar_free(&host.speed_per_pstate);
673 s_sg_platf_link_cbarg_t link;
674 memset(&link, 0, sizeof(link));
675 link.policy = SURF_LINK_SHARED;
676 link.latency = peer->lat;
678 char* link_up = bprintf("link_%s_UP",peer->id);
679 XBT_DEBUG("<link\tid=\"%s\"\tbw=\"%f\"\tlat=\"%f\"/>", link_up, peer->bw_out, peer->lat);
681 link.bandwidth = peer->bw_out;
682 sg_platf_new_link(&link);
684 char* link_down = bprintf("link_%s_DOWN",peer->id);
685 XBT_DEBUG("<link\tid=\"%s\"\tbw=\"%f\"\tlat=\"%f\"/>", link_down, peer->bw_in, peer->lat);
687 link.bandwidth = peer->bw_in;
688 sg_platf_new_link(&link);
690 XBT_DEBUG("<host_link\tid=\"%s\"\tup=\"%s\"\tdown=\"%s\" />", host_id,link_up,link_down);
691 s_sg_platf_host_link_cbarg_t host_link;
692 memset(&host_link, 0, sizeof(host_link));
693 host_link.id = host_id;
694 host_link.link_up = link_up;
695 host_link.link_down = link_down;
696 sg_platf_new_hostlink(&host_link);
700 XBT_DEBUG("<router id=\"%s\"/>", router_id);
701 s_sg_platf_router_cbarg_t router;
702 memset(&router, 0, sizeof(router));
703 router.id = router_id;
704 router.coord = peer->coord;
705 sg_platf_new_router(&router);
706 static_cast<AsCluster*>(current_routing)->router_ = static_cast<NetCard*>(xbt_lib_get_or_null(as_router_lib, router.id, ROUTING_ASR_LEVEL));
709 sg_platf_new_AS_seal();
716 void sg_platf_begin() { /* Do nothing: just for symmetry of user code */ }
718 void sg_platf_end() {
719 simgrid::surf::on_postparse();
722 /* Pick the right models for CPU, net and host, and call their model_init_preparse */
723 static void surf_config_models_setup()
725 const char *host_model_name;
726 const char *vm_model_name;
729 char *network_model_name = nullptr;
730 char *cpu_model_name = nullptr;
732 char *storage_model_name = nullptr;
734 host_model_name = xbt_cfg_get_string("host/model");
735 vm_model_name = xbt_cfg_get_string("vm/model");
736 network_model_name = xbt_cfg_get_string("network/model");
737 cpu_model_name = xbt_cfg_get_string("cpu/model");
738 storage_model_name = xbt_cfg_get_string("storage/model");
740 /* Check whether we use a net/cpu model differing from the default ones, in which case
741 * we should switch to the "compound" host model to correctly dispatch stuff to
742 * the right net/cpu models.
745 if ((!xbt_cfg_is_default_value("network/model") ||
746 !xbt_cfg_is_default_value("cpu/model")) &&
747 xbt_cfg_is_default_value("host/model")) {
748 host_model_name = "compound";
749 xbt_cfg_set_string("host/model", host_model_name);
752 XBT_DEBUG("host model: %s", host_model_name);
753 host_id = find_model_description(surf_host_model_description, host_model_name);
754 if (!strcmp(host_model_name, "compound")) {
758 xbt_assert(cpu_model_name,
759 "Set a cpu model to use with the 'compound' host model");
761 xbt_assert(network_model_name,
762 "Set a network model to use with the 'compound' host model");
764 if(surf_cpu_model_init_preparse){
765 surf_cpu_model_init_preparse();
768 find_model_description(surf_cpu_model_description, cpu_model_name);
769 surf_cpu_model_description[cpu_id].model_init_preparse();
773 find_model_description(surf_network_model_description,
775 surf_network_model_description[network_id].model_init_preparse();
778 XBT_DEBUG("Call host_model_init");
779 surf_host_model_description[host_id].model_init_preparse();
781 XBT_DEBUG("Call vm_model_init");
782 vm_id = find_model_description(surf_vm_model_description, vm_model_name);
783 surf_vm_model_description[vm_id].model_init_preparse();
785 XBT_DEBUG("Call storage_model_init");
786 storage_id = find_model_description(surf_storage_model_description, storage_model_name);
787 surf_storage_model_description[storage_id].model_init_preparse();
792 * \brief Make a new routing component to the platform
794 * Add a new autonomous system to the platform. Any elements (such as host,
795 * router or sub-AS) added after this call and before the corresponding call
796 * to sg_platf_new_AS_seal() will be added to this AS.
798 * Once this function was called, the configuration concerning the used
799 * models cannot be changed anymore.
801 * @param AS the parameters defining the AS to build.
803 simgrid::s4u::As * sg_platf_new_AS_begin(sg_platf_AS_cbarg_t AS)
805 if (!surf_parse_models_setup_already_called) {
806 /* Initialize the surf models. That must be done after we got all config, and before we need the models.
807 * That is, after the last <config> tag, if any, and before the first of cluster|peer|AS|trace|trace_connect
809 * I'm not sure for <trace> and <trace_connect>, there may be a bug here
810 * (FIXME: check it out by creating a file beginning with one of these tags)
811 * but cluster and peer create ASes internally, so putting the code in there is ok.
813 surf_parse_models_setup_already_called = 1;
814 surf_config_models_setup();
817 xbt_assert(nullptr == xbt_lib_get_or_null(as_router_lib, AS->id, ROUTING_ASR_LEVEL),
818 "Refusing to create a second AS called \"%s\".", AS->id);
820 _sg_cfg_init_status = 2; /* HACK: direct access to the global controlling the level of configuration to prevent
821 * any further config now that we created some real content */
824 /* search the routing model */
825 simgrid::routing::AsImpl *new_as = nullptr;
827 case A_surfxml_AS_routing_Cluster: new_as = new simgrid::routing::AsCluster(AS->id); break;
828 case A_surfxml_AS_routing_ClusterDragonfly: new_as = new simgrid::routing::AsClusterDragonfly(AS->id); break;
829 case A_surfxml_AS_routing_ClusterTorus: new_as = new simgrid::routing::AsClusterTorus(AS->id); break;
830 case A_surfxml_AS_routing_ClusterFatTree: new_as = new simgrid::routing::AsClusterFatTree(AS->id); break;
831 case A_surfxml_AS_routing_Dijkstra: new_as = new simgrid::routing::AsDijkstra(AS->id, 0); break;
832 case A_surfxml_AS_routing_DijkstraCache: new_as = new simgrid::routing::AsDijkstra(AS->id, 1); break;
833 case A_surfxml_AS_routing_Floyd: new_as = new simgrid::routing::AsFloyd(AS->id); break;
834 case A_surfxml_AS_routing_Full: new_as = new simgrid::routing::AsFull(AS->id); break;
835 case A_surfxml_AS_routing_None: new_as = new simgrid::routing::AsNone(AS->id); break;
836 case A_surfxml_AS_routing_Vivaldi: new_as = new simgrid::routing::AsVivaldi(AS->id); break;
837 default: xbt_die("Not a valid model!"); break;
840 /* make a new routing component */
841 simgrid::routing::NetCard *netcard = new simgrid::routing::NetCardImpl(new_as->name(), simgrid::routing::NetCard::Type::As, current_routing);
843 if (current_routing == nullptr && routing_platf->root_ == nullptr) { /* it is the first one */
844 routing_platf->root_ = new_as;
845 } else if (current_routing != nullptr && routing_platf->root_ != nullptr) {
847 xbt_assert(!xbt_dict_get_or_null(current_routing->children(), AS->id),
848 "The AS \"%s\" already exists", AS->id);
849 /* it is a part of the tree */
850 new_as->father_ = current_routing;
851 /* set the father behavior */
852 if (current_routing->hierarchy_ == simgrid::routing::AsImpl::RoutingMode::unset)
853 current_routing->hierarchy_ = simgrid::routing::AsImpl::RoutingMode::recursive;
854 /* add to the sons dictionary */
855 xbt_dict_set(current_routing->children(), AS->id, (void *) new_as, nullptr);
857 THROWF(arg_error, 0, "All defined components must belong to a AS");
860 xbt_lib_set(as_router_lib, netcard->name(), ROUTING_ASR_LEVEL, (void *) netcard);
861 XBT_DEBUG("Having set name '%s' id '%d'", new_as->name(), netcard->id());
863 /* set the new current component of the tree */
864 current_routing = new_as;
865 current_routing->netcard_ = netcard;
867 simgrid::routing::asCreatedCallbacks(new_as);
868 if (TRACE_is_enabled())
869 sg_instr_AS_begin(AS);
875 * \brief Specify that the description of the current AS is finished
877 * Once you've declared all the content of your AS, you have to seal
878 * it with this call. Your AS is not usable until you call this function.
880 void sg_platf_new_AS_seal()
882 xbt_assert(current_routing, "Cannot seal the current AS: none under construction");
883 current_routing->seal();
884 current_routing = static_cast<simgrid::routing::AsImpl*>(current_routing->father());
886 if (TRACE_is_enabled())
890 /** @brief Add a link connecting an host to the rest of its AS (which must be cluster or vivaldi) */
891 void sg_platf_new_hostlink(sg_platf_host_link_cbarg_t hostlink)
893 simgrid::routing::NetCard *netcard = sg_host_by_name(hostlink->id)->pimpl_netcard;
894 xbt_assert(netcard, "Host '%s' not found!", hostlink->id);
895 xbt_assert(dynamic_cast<simgrid::routing::AsCluster*>(current_routing),
896 "Only hosts from Cluster and Vivaldi ASes can get an host_link.");
898 s_surf_parsing_link_up_down_t link_up_down;
899 link_up_down.linkUp = Link::byName(hostlink->link_up);
900 link_up_down.linkDown = Link::byName(hostlink->link_down);
902 xbt_assert(link_up_down.linkUp, "Link '%s' not found!",hostlink->link_up);
903 xbt_assert(link_up_down.linkDown, "Link '%s' not found!",hostlink->link_down);
905 // If dynar is is greater than netcard id and if the host_link is already defined
906 auto as_cluster = static_cast<simgrid::routing::AsCluster*>(current_routing);
907 if((int)xbt_dynar_length(as_cluster->privateLinks_) > netcard->id() &&
908 xbt_dynar_get_as(as_cluster->privateLinks_, netcard->id(), void*))
909 surf_parse_error("Host_link for '%s' is already defined!",hostlink->id);
911 XBT_DEBUG("Push Host_link for host '%s' to position %d", netcard->name(), netcard->id());
912 xbt_dynar_set_as(as_cluster->privateLinks_, netcard->id(), s_surf_parsing_link_up_down_t, link_up_down);