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/AsDijkstra.hpp"
31 #include "src/surf/AsFloyd.hpp"
32 #include "src/surf/AsFull.hpp"
33 #include "src/surf/AsNone.hpp"
34 #include "src/surf/AsVivaldi.hpp"
36 XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(surf_parse);
38 XBT_PRIVATE xbt_dynar_t mount_list = NULL;
43 simgrid::xbt::signal<void(sg_platf_link_cbarg_t)> on_link;
44 simgrid::xbt::signal<void(sg_platf_cluster_cbarg_t)> on_cluster;
45 simgrid::xbt::signal<void(void)> on_postparse;
50 static int surf_parse_models_setup_already_called = 0;
52 /* Turn something like "1-4,6,9-11" into the vector {1,2,3,4,6,9,10,11} */
53 static std::vector<int> *explodesRadical(const char*radicals){
54 std::vector<int> *exploded = new std::vector<int>();
59 xbt_dynar_t radical_elements = xbt_str_split(radicals, ",");
60 xbt_dynar_foreach(radical_elements, iter, groups) {
62 xbt_dynar_t radical_ends = xbt_str_split(groups, "-");
63 int start = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 0, char *));
66 switch (xbt_dynar_length(radical_ends)) {
71 end = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 1, char *));
74 surf_parse_error("Malformed radical: %s", groups);
78 for (int i = start; i <= end; i++)
79 exploded->push_back( i );
81 xbt_dynar_free(&radical_ends);
83 xbt_dynar_free(&radical_elements);
89 /** The current AS in the parsing */
90 static simgrid::surf::AsImpl *current_routing = NULL;
91 static simgrid::surf::AsImpl* routing_get_current()
93 return current_routing;
96 /** Module management function: creates all internal data structures */
97 void sg_platf_init(void) {
100 /** Module management function: frees all internal data structures */
101 void sg_platf_exit(void) {
102 simgrid::surf::on_link.disconnect_all_slots();
103 simgrid::surf::on_cluster.disconnect_all_slots();
104 simgrid::surf::on_postparse.disconnect_all_slots();
106 /* make sure that we will reinit the models while loading the platf once reinited */
107 surf_parse_models_setup_already_called = 0;
108 surf_parse_lex_destroy();
111 /** @brief Add an "host" to the current AS */
112 void sg_platf_new_host(sg_platf_host_cbarg_t host)
114 xbt_assert(! sg_host_by_name(host->id), "Refusing to create a second host named '%s'.", host->id);
116 simgrid::surf::AsImpl* current_routing = routing_get_current();
117 if (current_routing->hierarchy_ == simgrid::surf::AsImpl::RoutingMode::unset)
118 current_routing->hierarchy_ = simgrid::surf::AsImpl::RoutingMode::base;
120 simgrid::surf::NetCard *netcard =
121 new simgrid::surf::NetCardImpl(host->id, simgrid::surf::NetCard::Type::Host, current_routing);
123 sg_host_t h = simgrid::s4u::Host::by_name_or_create(host->id);
124 h->pimpl_netcard = netcard;
127 xbt_lib_set(storage_lib, host->id, ROUTING_STORAGE_HOST_LEVEL, (void *) mount_list);
131 if (host->coord && strcmp(host->coord, "")) {
135 xbt_assert(COORD_HOST_LEVEL, "To use host coordinates, please add --cfg=network/coordinates:yes to your command line");
136 /* Pre-parse the host coordinates -- FIXME factorize with routers by overloading the routing->parse_PU function*/
137 xbt_dynar_t ctn_str = xbt_str_split_str(host->coord, " ");
138 xbt_assert(xbt_dynar_length(ctn_str)==3,"Coordinates of %s must have 3 dimensions", host->id);
140 xbt_dynar_t ctn = xbt_dynar_new(sizeof(double),NULL);
141 xbt_dynar_foreach(ctn_str,cursor, str) {
142 double val = xbt_str_parse_double(str, "Invalid coordinate: %s");
143 xbt_dynar_push(ctn,&val);
145 xbt_dynar_free(&ctn_str);
146 xbt_dynar_shrink(ctn, 0);
147 h->extension_set(COORD_HOST_LEVEL, (void *) ctn);
150 simgrid::surf::Cpu *cpu = surf_cpu_model_pm->createCpu( h, host->speed_per_pstate, host->core_amount);
151 if (host->state_trace)
152 cpu->setStateTrace(host->state_trace);
153 if (host->speed_trace)
154 cpu->setSpeedTrace(host->speed_trace);
155 surf_host_model->createHost(host->id, netcard, cpu)->attach(h);
157 if (host->properties) {
158 xbt_dict_cursor_t cursor=NULL;
160 xbt_dict_foreach(host->properties,cursor,key,data)
161 h->setProperty(key,data);
162 xbt_dict_free(&host->properties);
165 if (host->pstate != 0)
166 cpu->setPState(host->pstate);
168 simgrid::s4u::Host::onCreation(*h);
170 if (TRACE_is_enabled() && TRACE_needs_platform())
171 sg_instr_new_host(host);
174 /** @brief Add a "router" to the network element list */
175 void sg_platf_new_router(sg_platf_router_cbarg_t router)
177 simgrid::surf::AsImpl* current_routing = routing_get_current();
179 if (current_routing->hierarchy_ == simgrid::surf::AsImpl::RoutingMode::unset)
180 current_routing->hierarchy_ = simgrid::surf::AsImpl::RoutingMode::base;
181 xbt_assert(nullptr == xbt_lib_get_or_null(as_router_lib, router->id, ROUTING_ASR_LEVEL),
182 "Refusing to create a router named '%s': this name already describes a node.", router->id);
184 simgrid::surf::NetCard* netcard =
185 new simgrid::surf::NetCardImpl(router->id, simgrid::surf::NetCard::Type::Router, current_routing);
186 xbt_lib_set(as_router_lib, router->id, ROUTING_ASR_LEVEL, netcard);
187 XBT_DEBUG("Having set name '%s' id '%d'", router->id, netcard->id());
189 if (router->coord && strcmp(router->coord, "")) {
193 xbt_assert(COORD_ASR_LEVEL, "To use host coordinates, please add --cfg=network/coordinates:yes to your command line");
194 /* Pre-parse the host coordinates */
195 xbt_dynar_t ctn_str = xbt_str_split_str(router->coord, " ");
196 xbt_assert(xbt_dynar_length(ctn_str)==3,"Coordinates of %s must have 3 dimensions", router->id);
197 xbt_dynar_t ctn = xbt_dynar_new(sizeof(double),NULL);
198 xbt_dynar_foreach(ctn_str,cursor, str) {
199 double val = xbt_str_parse_double(str, "Invalid coordinate: %s");
200 xbt_dynar_push(ctn,&val);
202 xbt_dynar_free(&ctn_str);
203 xbt_dynar_shrink(ctn, 0);
204 xbt_lib_set(as_router_lib, router->id, COORD_ASR_LEVEL, (void *) ctn);
207 if (TRACE_is_enabled() && TRACE_needs_platform())
208 sg_instr_new_router(router);
211 void sg_platf_new_link(sg_platf_link_cbarg_t link){
212 std::vector<char*> names;
214 if (link->policy == SURF_LINK_FULLDUPLEX) {
215 names.push_back(bprintf("%s_UP", link->id));
216 names.push_back(bprintf("%s_DOWN", link->id));
218 names.push_back(xbt_strdup(link->id));
220 for (auto link_name : names) {
221 Link *l = surf_network_model->createLink(link_name, link->bandwidth, link->latency, link->policy, link->properties);
223 if (link->latency_trace)
224 l->setLatencyTrace(link->latency_trace);
225 if (link->bandwidth_trace)
226 l->setBandwidthTrace(link->bandwidth_trace);
227 if (link->state_trace)
228 l->setStateTrace(link->state_trace);
233 simgrid::surf::on_link(link);
236 void sg_platf_new_cluster(sg_platf_cluster_cbarg_t cluster)
238 using simgrid::surf::AsCluster;
239 using simgrid::surf::AsClusterTorus;
240 using simgrid::surf::AsClusterFatTree;
244 s_sg_platf_link_cbarg_t link;
246 // What an inventive way of initializing the AS that I have as ancestor :-(
247 s_sg_platf_AS_cbarg_t AS;
249 switch (cluster->topology) {
250 case SURF_CLUSTER_TORUS:
251 AS.routing = A_surfxml_AS_routing_ClusterTorus;
253 case SURF_CLUSTER_FAT_TREE:
254 AS.routing = A_surfxml_AS_routing_ClusterFatTree;
257 AS.routing = A_surfxml_AS_routing_Cluster;
260 sg_platf_new_AS_begin(&AS);
261 simgrid::surf::AsCluster *current_as = static_cast<AsCluster*>(routing_get_current());
262 current_as->parse_specific_arguments(cluster);
264 if(cluster->loopback_bw!=0 || cluster->loopback_lat!=0){
265 current_as->nb_links_per_node_++;
266 current_as->has_loopback_ = 1;
269 if(cluster->limiter_link!=0){
270 current_as->nb_links_per_node_++;
271 current_as->has_limiter_ = 1;
274 std::vector<int> *radicals = explodesRadical(cluster->radical);
275 for (int i : *radicals) {
276 char * host_id = bprintf("%s%d%s", cluster->prefix, i, cluster->suffix);
277 char * link_id = bprintf("%s_link_%d", cluster->id, i);
279 XBT_DEBUG("<host\tid=\"%s\"\tpower=\"%f\">", host_id, cluster->speed);
281 s_sg_platf_host_cbarg_t host;
282 memset(&host, 0, sizeof(host));
284 if ((cluster->properties != NULL) && (!xbt_dict_is_empty(cluster->properties))) {
285 xbt_dict_cursor_t cursor=NULL;
287 host.properties = xbt_dict_new();
289 xbt_dict_foreach(cluster->properties,cursor,key,data) {
290 xbt_dict_set(host.properties, key, xbt_strdup(data),free);
294 host.speed_per_pstate = xbt_dynar_new(sizeof(double), NULL);
295 xbt_dynar_push(host.speed_per_pstate,&cluster->speed);
297 host.core_amount = cluster->core_amount;
299 sg_platf_new_host(&host);
300 xbt_dynar_free(&host.speed_per_pstate);
301 XBT_DEBUG("</host>");
303 XBT_DEBUG("<link\tid=\"%s\"\tbw=\"%f\"\tlat=\"%f\"/>", link_id, cluster->bw, cluster->lat);
305 s_surf_parsing_link_up_down_t info_lim, info_loop;
306 // All links are saved in a matrix;
307 // every row describes a single node; every node
308 // may have multiple links.
309 // the first column may store a link from x to x if p_has_loopback is set
310 // the second column may store a limiter link if p_has_limiter is set
311 // other columns are to store one or more link for the node
313 //add a loopback link
314 if(cluster->loopback_bw!=0 || cluster->loopback_lat!=0){
315 char *tmp_link = bprintf("%s_loopback", link_id);
316 XBT_DEBUG("<loopback\tid=\"%s\"\tbw=\"%f\"/>", tmp_link, cluster->limiter_link);
318 memset(&link, 0, sizeof(link));
320 link.bandwidth = cluster->loopback_bw;
321 link.latency = cluster->loopback_lat;
322 link.policy = SURF_LINK_FATPIPE;
323 sg_platf_new_link(&link);
324 info_loop.link_up = info_loop.link_down = Link::byName(tmp_link);
326 auto as_cluster = static_cast<AsCluster*>(current_as);
327 xbt_dynar_set(as_cluster->privateLinks_, rankId*as_cluster->nb_links_per_node_, &info_loop);
330 //add a limiter link (shared link to account for maximal bandwidth of the node)
331 if(cluster->limiter_link!=0){
332 char *tmp_link = bprintf("%s_limiter", link_id);
333 XBT_DEBUG("<limiter\tid=\"%s\"\tbw=\"%f\"/>", tmp_link, cluster->limiter_link);
335 memset(&link, 0, sizeof(link));
337 link.bandwidth = cluster->limiter_link;
339 link.policy = SURF_LINK_SHARED;
340 sg_platf_new_link(&link);
341 info_lim.link_up = info_lim.link_down = Link::byName(tmp_link);
343 xbt_dynar_set(current_as->privateLinks_, rankId * current_as->nb_links_per_node_ + current_as->has_loopback_ , &info_lim);
346 //call the cluster function that adds the others links
347 if (cluster->topology == SURF_CLUSTER_FAT_TREE) {
348 ((AsClusterFatTree*) current_as)->addProcessingNode(i);
351 current_as->create_links_for_node(cluster, i, rankId,
352 rankId*current_as->nb_links_per_node_ + current_as->has_loopback_ + current_as->has_limiter_ );
360 // Add a router. It is magically used thanks to the way in which surf_routing_cluster is written,
361 // and it's very useful to connect clusters together
363 XBT_DEBUG("<router id=\"%s\"/>", cluster->router_id);
365 s_sg_platf_router_cbarg_t router;
366 memset(&router, 0, sizeof(router));
367 router.id = cluster->router_id;
368 if (!router.id || !strcmp(router.id, ""))
369 router.id = newid = bprintf("%s%s_router%s", cluster->prefix, cluster->id, cluster->suffix);
370 sg_platf_new_router(&router);
371 current_as->router_ = (simgrid::surf::NetCard*) xbt_lib_get_or_null(as_router_lib, router.id, ROUTING_ASR_LEVEL);
375 if ((cluster->bb_bw != 0) || (cluster->bb_lat != 0)) {
377 memset(&link, 0, sizeof(link));
378 link.id = bprintf("%s_backbone", cluster->id);
379 link.bandwidth = cluster->bb_bw;
380 link.latency = cluster->bb_lat;
381 link.policy = cluster->bb_sharing_policy;
383 XBT_DEBUG("<link\tid=\"%s\" bw=\"%f\" lat=\"%f\"/>", link.id, cluster->bb_bw, cluster->bb_lat);
384 sg_platf_new_link(&link);
386 routing_cluster_add_backbone(Link::byName(link.id));
387 free((char*)link.id);
391 sg_platf_new_AS_seal();
393 simgrid::surf::on_cluster(cluster);
395 void routing_cluster_add_backbone(simgrid::surf::Link* bb) {
396 simgrid::surf::AsCluster *cluster = dynamic_cast<simgrid::surf::AsCluster*>(current_routing);
398 xbt_assert(cluster, "Only hosts from Cluster can get a backbone.");
399 xbt_assert(nullptr == cluster->backbone_, "Cluster %s already has a backbone link!", cluster->name());
401 cluster->backbone_ = bb;
402 XBT_DEBUG("Add a backbone to AS '%s'", current_routing->name());
405 void sg_platf_new_cabinet(sg_platf_cabinet_cbarg_t cabinet)
407 std::vector<int> *radicals = explodesRadical(cabinet->radical);
409 for (int radical : *radicals) {
410 char *hostname = bprintf("%s%d%s", cabinet->prefix, radical, cabinet->suffix);
411 s_sg_platf_host_cbarg_t host;
412 memset(&host, 0, sizeof(host));
414 host.core_amount = 1;
416 host.speed_per_pstate = xbt_dynar_new(sizeof(double), NULL);
417 xbt_dynar_push(host.speed_per_pstate,&cabinet->speed);
418 sg_platf_new_host(&host);
419 xbt_dynar_free(&host.speed_per_pstate);
421 s_sg_platf_link_cbarg_t link;
422 memset(&link, 0, sizeof(link));
423 link.policy = SURF_LINK_FULLDUPLEX;
424 link.latency = cabinet->lat;
425 link.bandwidth = cabinet->bw;
426 link.id = bprintf("link_%s",hostname);
427 sg_platf_new_link(&link);
428 free((char*)link.id);
430 s_sg_platf_host_link_cbarg_t host_link;
431 memset(&host_link, 0, sizeof(host_link));
432 host_link.id = hostname;
433 host_link.link_up = bprintf("link_%s_UP",hostname);
434 host_link.link_down = bprintf("link_%s_DOWN",hostname);
435 sg_platf_new_hostlink(&host_link);
436 free((char*)host_link.link_up);
437 free((char*)host_link.link_down);
444 void sg_platf_new_storage(sg_platf_storage_cbarg_t storage)
446 xbt_assert(!xbt_lib_get_or_null(storage_lib, storage->id,ROUTING_STORAGE_LEVEL),
447 "Refusing to add a second storage named \"%s\"", storage->id);
449 void* stype = xbt_lib_get_or_null(storage_type_lib, storage->type_id,ROUTING_STORAGE_TYPE_LEVEL);
450 xbt_assert(stype,"No storage type '%s'", storage->type_id);
452 XBT_DEBUG("ROUTING Create a storage name '%s' with type_id '%s' and content '%s'",
457 xbt_lib_set(storage_lib, storage->id, ROUTING_STORAGE_LEVEL, (void *) xbt_strdup(storage->type_id));
459 // if storage content is not specified use the content of storage_type if any
460 if(!strcmp(storage->content,"") && strcmp(((storage_type_t) stype)->content,"")){
461 storage->content = ((storage_type_t) stype)->content;
462 storage->content_type = ((storage_type_t) stype)->content_type;
463 XBT_DEBUG("For disk '%s' content is empty, inherit the content (of type %s) from storage type '%s' ",
464 storage->id,((storage_type_t) stype)->content_type,
465 ((storage_type_t) stype)->type_id);
468 XBT_DEBUG("SURF storage create resource\n\t\tid '%s'\n\t\ttype '%s' "
469 "\n\t\tmodel '%s' \n\t\tcontent '%s'\n\t\tcontent_type '%s' "
470 "\n\t\tproperties '%p''\n",
472 ((storage_type_t) stype)->model,
473 ((storage_type_t) stype)->type_id,
475 storage->content_type,
476 storage->properties);
478 surf_storage_model->createStorage(storage->id,
479 ((storage_type_t) stype)->type_id,
481 storage->content_type,
485 void sg_platf_new_storage_type(sg_platf_storage_type_cbarg_t storage_type){
487 xbt_assert(!xbt_lib_get_or_null(storage_type_lib, storage_type->id,ROUTING_STORAGE_TYPE_LEVEL),
488 "Reading a storage type, processing unit \"%s\" already exists", storage_type->id);
490 storage_type_t stype = xbt_new0(s_storage_type_t, 1);
491 stype->model = xbt_strdup(storage_type->model);
492 stype->properties = storage_type->properties;
493 stype->content = xbt_strdup(storage_type->content);
494 stype->content_type = xbt_strdup(storage_type->content_type);
495 stype->type_id = xbt_strdup(storage_type->id);
496 stype->size = storage_type->size;
497 stype->model_properties = storage_type->model_properties;
499 XBT_DEBUG("ROUTING Create a storage type id '%s' with model '%s', "
500 "content '%s', and content_type '%s'",
503 storage_type->content,
504 storage_type->content_type);
506 xbt_lib_set(storage_type_lib,
508 ROUTING_STORAGE_TYPE_LEVEL,
512 static void mount_free(void *p)
514 mount_t mnt = (mount_t) p;
518 void sg_platf_new_mount(sg_platf_mount_cbarg_t mount){
519 xbt_assert(xbt_lib_get_or_null(storage_lib, mount->storageId, ROUTING_STORAGE_LEVEL),
520 "Cannot mount non-existent disk \"%s\"", mount->storageId);
522 XBT_DEBUG("ROUTING Mount '%s' on '%s'",mount->storageId, mount->name);
525 mnt.storage = surf_storage_resource_priv(surf_storage_resource_by_name(mount->storageId));
526 mnt.name = xbt_strdup(mount->name);
529 XBT_DEBUG("Create a Mount list for %s",A_surfxml_host_id);
530 mount_list = xbt_dynar_new(sizeof(s_mount_t), mount_free);
532 xbt_dynar_push(mount_list, &mnt);
535 void sg_platf_new_route(sg_platf_route_cbarg_t route)
537 routing_get_current()->addRoute(route);
540 void sg_platf_new_bypassRoute(sg_platf_route_cbarg_t bypassRoute)
542 routing_get_current()->addBypassRoute(bypassRoute);
545 void sg_platf_new_process(sg_platf_process_cbarg_t process)
547 sg_host_t host = sg_host_by_name(process->host);
549 // The requested host does not exist. Do a nice message to the user
550 char *tmp = bprintf("Cannot create process '%s': host '%s' does not exist\nExisting hosts: '",process->function, process->host);
551 xbt_strbuff_t msg = xbt_strbuff_new_from(tmp);
553 xbt_dynar_t all_hosts = xbt_dynar_sort_strings(sg_hosts_as_dynar());
554 simgrid::s4u::Host* host;
556 xbt_dynar_foreach(all_hosts,cursor, host) {
557 xbt_strbuff_append(msg,host->name().c_str());
558 xbt_strbuff_append(msg,"', '");
559 if (msg->used > 1024) {
560 msg->data[msg->used-3]='\0';
563 xbt_strbuff_append(msg," ...(list truncated)......");// That will be shortened by 3 chars when existing the loop
566 msg->data[msg->used-3]='\0';
567 xbt_die("%s", msg->data);
569 xbt_main_func_t parse_code = SIMIX_get_registered_function(process->function);
570 xbt_assert(parse_code, "Function '%s' unknown", process->function);
572 double start_time = process->start_time;
573 double kill_time = process->kill_time;
574 int auto_restart = process->on_failure == SURF_PROCESS_ON_FAILURE_DIE ? 0 : 1;
576 std::function<void()> code = simgrid::xbt::wrapMain(parse_code, process->argc, process->argv);
578 smx_process_arg_t arg = NULL;
579 smx_process_t process_created = NULL;
581 arg = new simgrid::simix::ProcessArg();
582 arg->name = std::string(process->argv[0]);
585 arg->hostname = sg_host_get_name(host);
586 arg->kill_time = kill_time;
587 arg->properties = current_property_set;
588 if (!sg_host_simix(host)->boot_processes)
589 sg_host_simix(host)->boot_processes = xbt_dynar_new(sizeof(smx_process_arg_t), _SIMIX_host_free_process_arg);
591 xbt_dynar_push_as(sg_host_simix(host)->boot_processes,smx_process_arg_t,arg);
593 if (start_time > SIMIX_get_clock()) {
595 arg = new simgrid::simix::ProcessArg();
596 arg->name = std::string(process->argv[0]);
597 arg->code = std::move(code);
599 arg->hostname = sg_host_get_name(host);
600 arg->kill_time = kill_time;
601 arg->properties = current_property_set;
603 XBT_DEBUG("Process %s(%s) will be started at time %f",
604 arg->name.c_str(), arg->hostname, start_time);
605 SIMIX_timer_set(start_time, [=]() {
606 simix_global->create_process_function(
608 std::move(arg->code),
617 } else { // start_time <= SIMIX_get_clock()
618 XBT_DEBUG("Starting Process %s(%s) right now",
619 arg->name.c_str(), sg_host_get_name(host));
621 if (simix_global->create_process_function)
622 process_created = simix_global->create_process_function(
623 arg->name.c_str(), std::move(code), NULL,
624 sg_host_get_name(host), kill_time,
625 current_property_set, auto_restart, NULL);
627 process_created = simcall_process_create(
628 arg->name.c_str(), std::move(code), NULL, sg_host_get_name(host), kill_time,
629 current_property_set,auto_restart);
631 /* verify if process has been created (won't be the case if the host is currently dead, but that's fine) */
632 if (!process_created) {
636 current_property_set = NULL;
639 void sg_platf_new_peer(sg_platf_peer_cbarg_t peer)
641 using simgrid::surf::NetCard;
642 using simgrid::surf::AsCluster;
644 char *host_id = bprintf("peer_%s", peer->id);
645 char *router_id = bprintf("router_%s", peer->id);
649 XBT_DEBUG("<AS id=\"%s\"\trouting=\"Cluster\">", peer->id);
650 s_sg_platf_AS_cbarg_t AS;
652 AS.routing = A_surfxml_AS_routing_Cluster;
653 sg_platf_new_AS_begin(&AS);
655 XBT_DEBUG("<host\tid=\"%s\"\tpower=\"%f\"/>", host_id, peer->speed);
656 s_sg_platf_host_cbarg_t host;
657 memset(&host, 0, sizeof(host));
660 host.speed_per_pstate = xbt_dynar_new(sizeof(double), NULL);
661 xbt_dynar_push(host.speed_per_pstate,&peer->speed);
663 host.speed_trace = peer->availability_trace;
664 host.state_trace = peer->state_trace;
665 host.core_amount = 1;
666 sg_platf_new_host(&host);
667 xbt_dynar_free(&host.speed_per_pstate);
669 s_sg_platf_link_cbarg_t link;
670 memset(&link, 0, sizeof(link));
671 link.policy = SURF_LINK_SHARED;
672 link.latency = peer->lat;
674 char* link_up = bprintf("link_%s_UP",peer->id);
675 XBT_DEBUG("<link\tid=\"%s\"\tbw=\"%f\"\tlat=\"%f\"/>", link_up, peer->bw_out, peer->lat);
677 link.bandwidth = peer->bw_out;
678 sg_platf_new_link(&link);
680 char* link_down = bprintf("link_%s_DOWN",peer->id);
681 XBT_DEBUG("<link\tid=\"%s\"\tbw=\"%f\"\tlat=\"%f\"/>", link_down, peer->bw_in, peer->lat);
683 link.bandwidth = peer->bw_in;
684 sg_platf_new_link(&link);
686 XBT_DEBUG("<host_link\tid=\"%s\"\tup=\"%s\"\tdown=\"%s\" />", host_id,link_up,link_down);
687 s_sg_platf_host_link_cbarg_t host_link;
688 memset(&host_link, 0, sizeof(host_link));
689 host_link.id = host_id;
690 host_link.link_up = link_up;
691 host_link.link_down = link_down;
692 sg_platf_new_hostlink(&host_link);
696 XBT_DEBUG("<router id=\"%s\"/>", router_id);
697 s_sg_platf_router_cbarg_t router;
698 memset(&router, 0, sizeof(router));
699 router.id = router_id;
700 router.coord = peer->coord;
701 sg_platf_new_router(&router);
702 static_cast<AsCluster*>(current_routing)->router_ = static_cast<NetCard*>(xbt_lib_get_or_null(as_router_lib, router.id, ROUTING_ASR_LEVEL));
705 sg_platf_new_AS_seal();
712 void sg_platf_begin() { /* Do nothing: just for symmetry of user code */ }
714 void sg_platf_end() {
715 simgrid::surf::on_postparse();
718 /* Pick the right models for CPU, net and host, and call their model_init_preparse */
719 static void surf_config_models_setup()
721 const char *host_model_name;
722 const char *vm_model_name;
725 char *network_model_name = NULL;
726 char *cpu_model_name = NULL;
728 char *storage_model_name = NULL;
730 host_model_name = xbt_cfg_get_string("host/model");
731 vm_model_name = xbt_cfg_get_string("vm/model");
732 network_model_name = xbt_cfg_get_string("network/model");
733 cpu_model_name = xbt_cfg_get_string("cpu/model");
734 storage_model_name = xbt_cfg_get_string("storage/model");
736 /* Check whether we use a net/cpu model differing from the default ones, in which case
737 * we should switch to the "compound" host model to correctly dispatch stuff to
738 * the right net/cpu models.
741 if ((!xbt_cfg_is_default_value("network/model") ||
742 !xbt_cfg_is_default_value("cpu/model")) &&
743 xbt_cfg_is_default_value("host/model")) {
744 host_model_name = "compound";
745 xbt_cfg_set_string("host/model", host_model_name);
748 XBT_DEBUG("host model: %s", host_model_name);
749 host_id = find_model_description(surf_host_model_description, host_model_name);
750 if (!strcmp(host_model_name, "compound")) {
754 xbt_assert(cpu_model_name,
755 "Set a cpu model to use with the 'compound' host model");
757 xbt_assert(network_model_name,
758 "Set a network model to use with the 'compound' host model");
760 if(surf_cpu_model_init_preparse){
761 surf_cpu_model_init_preparse();
764 find_model_description(surf_cpu_model_description, cpu_model_name);
765 surf_cpu_model_description[cpu_id].model_init_preparse();
769 find_model_description(surf_network_model_description,
771 surf_network_model_description[network_id].model_init_preparse();
774 XBT_DEBUG("Call host_model_init");
775 surf_host_model_description[host_id].model_init_preparse();
777 XBT_DEBUG("Call vm_model_init");
778 vm_id = find_model_description(surf_vm_model_description, vm_model_name);
779 surf_vm_model_description[vm_id].model_init_preparse();
781 XBT_DEBUG("Call storage_model_init");
782 storage_id = find_model_description(surf_storage_model_description, storage_model_name);
783 surf_storage_model_description[storage_id].model_init_preparse();
788 * \brief Make a new routing component to the platform
790 * Add a new autonomous system to the platform. Any elements (such as host,
791 * router or sub-AS) added after this call and before the corresponding call
792 * to sg_platf_new_AS_seal() will be added to this AS.
794 * Once this function was called, the configuration concerning the used
795 * models cannot be changed anymore.
797 * @param AS the parameters defining the AS to build.
799 simgrid::s4u::As * sg_platf_new_AS_begin(sg_platf_AS_cbarg_t AS)
801 if (!surf_parse_models_setup_already_called) {
802 /* Initialize the surf models. That must be done after we got all config, and before we need the models.
803 * That is, after the last <config> tag, if any, and before the first of cluster|peer|AS|trace|trace_connect
805 * I'm not sure for <trace> and <trace_connect>, there may be a bug here
806 * (FIXME: check it out by creating a file beginning with one of these tags)
807 * but cluster and peer create ASes internally, so putting the code in there is ok.
809 surf_parse_models_setup_already_called = 1;
810 surf_config_models_setup();
813 xbt_assert(nullptr == xbt_lib_get_or_null(as_router_lib, AS->id, ROUTING_ASR_LEVEL),
814 "Refusing to create a second AS called \"%s\".", AS->id);
816 _sg_cfg_init_status = 2; /* HACK: direct access to the global controlling the level of configuration to prevent
817 * any further config now that we created some real content */
820 /* search the routing model */
821 simgrid::surf::AsImpl *new_as = NULL;
823 case A_surfxml_AS_routing_Cluster: new_as = new simgrid::surf::AsCluster(AS->id); break;
824 case A_surfxml_AS_routing_ClusterTorus: new_as = new simgrid::surf::AsClusterTorus(AS->id); break;
825 case A_surfxml_AS_routing_ClusterFatTree: new_as = new simgrid::surf::AsClusterFatTree(AS->id); break;
826 case A_surfxml_AS_routing_Dijkstra: new_as = new simgrid::surf::AsDijkstra(AS->id, 0); break;
827 case A_surfxml_AS_routing_DijkstraCache: new_as = new simgrid::surf::AsDijkstra(AS->id, 1); break;
828 case A_surfxml_AS_routing_Floyd: new_as = new simgrid::surf::AsFloyd(AS->id); break;
829 case A_surfxml_AS_routing_Full: new_as = new simgrid::surf::AsFull(AS->id); break;
830 case A_surfxml_AS_routing_None: new_as = new simgrid::surf::AsNone(AS->id); break;
831 case A_surfxml_AS_routing_Vivaldi: new_as = new simgrid::surf::AsVivaldi(AS->id); break;
832 default: xbt_die("Not a valid model!"); break;
835 /* make a new routing component */
836 simgrid::surf::NetCard *netcard = new simgrid::surf::NetCardImpl(new_as->name(), simgrid::surf::NetCard::Type::As, current_routing);
838 if (current_routing == NULL && routing_platf->root_ == NULL) { /* it is the first one */
839 routing_platf->root_ = new_as;
840 } else if (current_routing != NULL && routing_platf->root_ != NULL) {
842 xbt_assert(!xbt_dict_get_or_null(current_routing->children(), AS->id),
843 "The AS \"%s\" already exists", AS->id);
844 /* it is a part of the tree */
845 new_as->father_ = current_routing;
846 /* set the father behavior */
847 if (current_routing->hierarchy_ == simgrid::surf::AsImpl::RoutingMode::unset)
848 current_routing->hierarchy_ = simgrid::surf::AsImpl::RoutingMode::recursive;
849 /* add to the sons dictionary */
850 xbt_dict_set(current_routing->children(), AS->id, (void *) new_as, NULL);
852 THROWF(arg_error, 0, "All defined components must belong to a AS");
855 xbt_lib_set(as_router_lib, netcard->name(), ROUTING_ASR_LEVEL, (void *) netcard);
856 XBT_DEBUG("Having set name '%s' id '%d'", new_as->name(), netcard->id());
858 /* set the new current component of the tree */
859 current_routing = new_as;
860 current_routing->netcard_ = netcard;
862 simgrid::surf::asCreatedCallbacks(new_as);
863 if (TRACE_is_enabled())
864 sg_instr_AS_begin(AS);
870 * \brief Specify that the description of the current AS is finished
872 * Once you've declared all the content of your AS, you have to seal
873 * it with this call. Your AS is not usable until you call this function.
875 void sg_platf_new_AS_seal()
877 xbt_assert(current_routing, "Cannot seal the current AS: none under construction");
878 current_routing->seal();
879 current_routing = static_cast<simgrid::surf::AsImpl*>(current_routing->father());
881 if (TRACE_is_enabled())
885 /** @brief Add a link connecting an host to the rest of its AS (which must be cluster or vivaldi) */
886 void sg_platf_new_hostlink(sg_platf_host_link_cbarg_t hostlink)
888 simgrid::surf::NetCard *netcard = sg_host_by_name(hostlink->id)->pimpl_netcard;
889 xbt_assert(netcard, "Host '%s' not found!", hostlink->id);
890 xbt_assert(dynamic_cast<simgrid::surf::AsCluster*>(current_routing),
891 "Only hosts from Cluster and Vivaldi ASes can get an host_link.");
893 s_surf_parsing_link_up_down_t link_up_down;
894 link_up_down.link_up = Link::byName(hostlink->link_up);
895 link_up_down.link_down = Link::byName(hostlink->link_down);
897 xbt_assert(link_up_down.link_up, "Link '%s' not found!",hostlink->link_up);
898 xbt_assert(link_up_down.link_down, "Link '%s' not found!",hostlink->link_down);
900 // If dynar is is greater than netcard id and if the host_link is already defined
901 auto as_cluster = static_cast<simgrid::surf::AsCluster*>(current_routing);
902 if((int)xbt_dynar_length(as_cluster->privateLinks_) > netcard->id() &&
903 xbt_dynar_get_as(as_cluster->privateLinks_, netcard->id(), void*))
904 surf_parse_error("Host_link for '%s' is already defined!",hostlink->id);
906 XBT_DEBUG("Push Host_link for host '%s' to position %d", netcard->name(), netcard->id());
907 xbt_dynar_set_as(as_cluster->privateLinks_, netcard->id(), s_surf_parsing_link_up_down_t, link_up_down);