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/signal.hpp>
13 #include "src/surf/HostImpl.hpp"
14 #include "surf/surf.h"
16 #include "src/simix/smx_private.h"
18 #include "src/include/simgrid/sg_config.h"
19 #include "src/surf/xml/platf_private.hpp"
21 #include "src/surf/cpu_interface.hpp"
22 #include "src/surf/network_interface.hpp"
23 #include "surf/surf_routing.h" // FIXME: brain dead public header
25 #include "src/surf/AsImpl.hpp"
26 #include "src/surf/AsCluster.hpp"
27 #include "src/surf/AsClusterTorus.hpp"
28 #include "src/surf/AsClusterFatTree.hpp"
29 #include "src/surf/AsDijkstra.hpp"
30 #include "src/surf/AsFloyd.hpp"
31 #include "src/surf/AsFull.hpp"
32 #include "src/surf/AsNone.hpp"
33 #include "src/surf/AsVivaldi.hpp"
35 XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(surf_parse);
37 XBT_PRIVATE xbt_dynar_t mount_list = NULL;
42 simgrid::xbt::signal<void(sg_platf_link_cbarg_t)> on_link;
43 simgrid::xbt::signal<void(sg_platf_cluster_cbarg_t)> on_cluster;
44 simgrid::xbt::signal<void(void)> on_postparse;
49 static int surf_parse_models_setup_already_called = 0;
51 /* Build the list of hostnames in a cluster or in a cabinet */
52 static std::vector<char*> *makeHostnames(const char*prefix, const char*radicals, const char *suffix){
53 std::vector<char*> *hostnames = new std::vector<char*>();
58 xbt_dynar_t radical_elements = xbt_str_split(radicals, ",");
59 xbt_dynar_foreach(radical_elements, iter, groups) {
61 xbt_dynar_t radical_ends = xbt_str_split(groups, "-");
62 int start = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 0, char *));
65 switch (xbt_dynar_length(radical_ends)) {
70 end = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 1, char *));
73 surf_parse_error("Malformed radical: %s", groups);
77 for (int i = start; i <= end; i++)
78 hostnames->push_back( bprintf("%s%d%s",prefix,i,suffix) );
80 xbt_dynar_free(&radical_ends);
82 xbt_dynar_free(&radical_elements);
88 /** The current AS in the parsing */
89 static simgrid::surf::AsImpl *current_routing = NULL;
90 static simgrid::surf::AsImpl* routing_get_current()
92 return current_routing;
95 /** Module management function: creates all internal data structures */
96 void sg_platf_init(void) {
99 /** Module management function: frees all internal data structures */
100 void sg_platf_exit(void) {
101 simgrid::surf::on_link.disconnect_all_slots();
102 simgrid::surf::on_cluster.disconnect_all_slots();
103 simgrid::surf::on_postparse.disconnect_all_slots();
105 /* make sure that we will reinit the models while loading the platf once reinited */
106 surf_parse_models_setup_already_called = 0;
107 surf_parse_lex_destroy();
110 /** @brief Add an "host" to the current AS */
111 void sg_platf_new_host(sg_platf_host_cbarg_t host)
113 xbt_assert(! sg_host_by_name(host->id), "Refusing to create a second host named '%s'.", host->id);
115 simgrid::surf::AsImpl* current_routing = routing_get_current();
116 if (current_routing->hierarchy_ == simgrid::surf::AsImpl::RoutingMode::unset)
117 current_routing->hierarchy_ = simgrid::surf::AsImpl::RoutingMode::base;
119 simgrid::surf::NetCard *netcard =
120 new simgrid::surf::NetCardImpl(host->id, simgrid::surf::NetCard::Type::Host, current_routing);
122 sg_host_t h = simgrid::s4u::Host::by_name_or_create(host->id);
123 h->pimpl_netcard = netcard;
126 xbt_lib_set(storage_lib, host->id, ROUTING_STORAGE_HOST_LEVEL, (void *) mount_list);
130 if (host->coord && strcmp(host->coord, "")) {
134 xbt_assert(COORD_HOST_LEVEL, "To use host coordinates, please add --cfg=network/coordinates:yes to your command line");
135 /* Pre-parse the host coordinates -- FIXME factorize with routers by overloading the routing->parse_PU function*/
136 xbt_dynar_t ctn_str = xbt_str_split_str(host->coord, " ");
137 xbt_assert(xbt_dynar_length(ctn_str)==3,"Coordinates of %s must have 3 dimensions", host->id);
139 xbt_dynar_t ctn = xbt_dynar_new(sizeof(double),NULL);
140 xbt_dynar_foreach(ctn_str,cursor, str) {
141 double val = xbt_str_parse_double(str, "Invalid coordinate: %s");
142 xbt_dynar_push(ctn,&val);
144 xbt_dynar_free(&ctn_str);
145 xbt_dynar_shrink(ctn, 0);
146 h->extension_set(COORD_HOST_LEVEL, (void *) ctn);
149 simgrid::surf::Cpu *cpu = surf_cpu_model_pm->createCpu( h, host->speed_per_pstate, host->core_amount);
150 if (host->state_trace)
151 cpu->setStateTrace(host->state_trace);
152 if (host->speed_trace)
153 cpu->setSpeedTrace(host->speed_trace);
154 surf_host_model->createHost(host->id, netcard, cpu, host->properties)->attach(h);
156 if (host->pstate != 0)
157 cpu->setPState(host->pstate);
159 simgrid::s4u::Host::onCreation(*h);
161 if (TRACE_is_enabled() && TRACE_needs_platform())
162 sg_instr_new_host(host);
165 /** @brief Add a "router" to the network element list */
166 void sg_platf_new_router(sg_platf_router_cbarg_t router)
168 simgrid::surf::AsImpl* current_routing = routing_get_current();
170 if (current_routing->hierarchy_ == simgrid::surf::AsImpl::RoutingMode::unset)
171 current_routing->hierarchy_ = simgrid::surf::AsImpl::RoutingMode::base;
172 xbt_assert(nullptr == xbt_lib_get_or_null(as_router_lib, router->id, ROUTING_ASR_LEVEL),
173 "Refusing to create a router named '%s': this name already describes a node.", router->id);
175 simgrid::surf::NetCard *netcard =
176 new simgrid::surf::NetCardImpl(router->id, simgrid::surf::NetCard::Type::Router, current_routing);
177 xbt_lib_set(as_router_lib, router->id, ROUTING_ASR_LEVEL, (void *) netcard);
178 XBT_DEBUG("Having set name '%s' id '%d'", router->id, netcard->id());
180 if (router->coord && strcmp(router->coord, "")) {
184 xbt_assert(COORD_ASR_LEVEL, "To use host coordinates, please add --cfg=network/coordinates:yes to your command line");
185 /* Pre-parse the host coordinates */
186 xbt_dynar_t ctn_str = xbt_str_split_str(router->coord, " ");
187 xbt_assert(xbt_dynar_length(ctn_str)==3,"Coordinates of %s must have 3 dimensions", router->id);
188 xbt_dynar_t ctn = xbt_dynar_new(sizeof(double),NULL);
189 xbt_dynar_foreach(ctn_str,cursor, str) {
190 double val = xbt_str_parse_double(str, "Invalid coordinate: %s");
191 xbt_dynar_push(ctn,&val);
193 xbt_dynar_free(&ctn_str);
194 xbt_dynar_shrink(ctn, 0);
195 xbt_lib_set(as_router_lib, router->id, COORD_ASR_LEVEL, (void *) ctn);
198 if (TRACE_is_enabled() && TRACE_needs_platform())
199 sg_instr_new_router(router);
202 void sg_platf_new_link(sg_platf_link_cbarg_t link){
203 std::vector<char*> names;
205 if (link->policy == SURF_LINK_FULLDUPLEX) {
206 names.push_back(bprintf("%s_UP", link->id));
207 names.push_back(bprintf("%s_DOWN", link->id));
209 names.push_back(xbt_strdup(link->id));
211 for (auto link_name : names) {
212 Link *l = surf_network_model->createLink(link_name, link->bandwidth, link->latency, link->policy, link->properties);
214 if (link->latency_trace)
215 l->setLatencyTrace(link->latency_trace);
216 if (link->bandwidth_trace)
217 l->setBandwidthTrace(link->bandwidth_trace);
218 if (link->state_trace)
219 l->setStateTrace(link->state_trace);
224 simgrid::surf::on_link(link);
227 void sg_platf_new_cluster(sg_platf_cluster_cbarg_t cluster)
229 using simgrid::surf::AsCluster;
230 using simgrid::surf::AsClusterTorus;
231 using simgrid::surf::AsClusterFatTree;
233 char *host_id, *groups, *link_id = NULL;
234 xbt_dict_t patterns = NULL;
237 s_sg_platf_link_cbarg_t link;
241 /* Parse the topology attributes.
242 * Nothing to do in a vanilla cluster, but that's another story for torus and flat_trees */
243 s_sg_platf_AS_cbarg_t AS;
246 switch (cluster->topology) {
247 case SURF_CLUSTER_TORUS:
248 AS.routing = A_surfxml_AS_routing_ClusterTorus;
250 case SURF_CLUSTER_FAT_TREE:
251 AS.routing = A_surfxml_AS_routing_ClusterFatTree;
254 AS.routing = A_surfxml_AS_routing_Cluster;
258 // What an inventive way of initializing the AS that I have as ancestor :-(
259 sg_platf_new_AS_begin(&AS);
260 simgrid::surf::AsCluster *current_as = static_cast<AsCluster*>(routing_get_current());
261 current_as->parse_specific_arguments(cluster);
263 if(cluster->loopback_bw!=0 || cluster->loopback_lat!=0){
264 current_as->nb_links_per_node_++;
265 current_as->has_loopback_ = 1;
268 if(cluster->limiter_link!=0){
269 current_as->nb_links_per_node_++;
270 current_as->has_limiter_ = 1;
274 xbt_dynar_t radical_elements = xbt_str_split(cluster->radical, ",");
275 xbt_dynar_foreach(radical_elements, iter, groups) {
277 xbt_dynar_t radical_ends = xbt_str_split(groups, "-");
278 int start = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 0, char *));
281 switch (xbt_dynar_length(radical_ends)) {
286 end = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 1, char *));
289 surf_parse_error("Malformed radical");
292 for (int i = start; i <= end; i++) {
293 host_id = bprintf("%s%d%s", cluster->prefix, i, cluster->suffix);
294 link_id = bprintf("%s_link_%d", cluster->id, i);
296 XBT_DEBUG("<host\tid=\"%s\"\tpower=\"%f\">", host_id, cluster->speed);
298 s_sg_platf_host_cbarg_t host;
299 memset(&host, 0, sizeof(host));
301 if ((cluster->properties != NULL) && (!xbt_dict_is_empty(cluster->properties))) {
302 xbt_dict_cursor_t cursor=NULL;
304 host.properties = xbt_dict_new();
306 xbt_dict_foreach(cluster->properties,cursor,key,data) {
307 xbt_dict_set(host.properties, key, xbt_strdup(data),free);
311 host.speed_per_pstate = xbt_dynar_new(sizeof(double), NULL);
312 xbt_dynar_push(host.speed_per_pstate,&cluster->speed);
315 //host.power_peak = cluster->power;
316 host.core_amount = cluster->core_amount;
318 sg_platf_new_host(&host);
319 xbt_dynar_free(&host.speed_per_pstate);
320 XBT_DEBUG("</host>");
322 XBT_DEBUG("<link\tid=\"%s\"\tbw=\"%f\"\tlat=\"%f\"/>", link_id, cluster->bw, cluster->lat);
324 s_surf_parsing_link_up_down_t info_lim, info_loop;
325 // All links are saved in a matrix;
326 // every row describes a single node; every node
327 // may have multiple links.
328 // the first column may store a link from x to x if p_has_loopback is set
329 // the second column may store a limiter link if p_has_limiter is set
330 // other columns are to store one or more link for the node
332 //add a loopback link
333 if(cluster->loopback_bw!=0 || cluster->loopback_lat!=0){
334 char *tmp_link = bprintf("%s_loopback", link_id);
335 XBT_DEBUG("<loopback\tid=\"%s\"\tbw=\"%f\"/>", tmp_link, cluster->limiter_link);
337 memset(&link, 0, sizeof(link));
339 link.bandwidth = cluster->loopback_bw;
340 link.latency = cluster->loopback_lat;
341 link.policy = SURF_LINK_FATPIPE;
342 sg_platf_new_link(&link);
343 info_loop.link_up = info_loop.link_down = Link::byName(tmp_link);
345 auto as_cluster = static_cast<AsCluster*>(current_as);
346 xbt_dynar_set(as_cluster->privateLinks_, rankId*as_cluster->nb_links_per_node_, &info_loop);
349 //add a limiter link (shared link to account for maximal bandwidth of the node)
350 if(cluster->limiter_link!=0){
351 char *tmp_link = bprintf("%s_limiter", link_id);
352 XBT_DEBUG("<limiter\tid=\"%s\"\tbw=\"%f\"/>", tmp_link, cluster->limiter_link);
354 memset(&link, 0, sizeof(link));
356 link.bandwidth = cluster->limiter_link;
358 link.policy = SURF_LINK_SHARED;
359 sg_platf_new_link(&link);
360 info_lim.link_up = info_lim.link_down = Link::byName(tmp_link);
362 xbt_dynar_set(current_as->privateLinks_, rankId * current_as->nb_links_per_node_ + current_as->has_loopback_ , &info_lim);
365 //call the cluster function that adds the others links
366 if (cluster->topology == SURF_CLUSTER_FAT_TREE) {
367 ((AsClusterFatTree*) current_as)->addProcessingNode(i);
370 current_as->create_links_for_node(cluster, i, rankId,
371 rankId*current_as->nb_links_per_node_ + current_as->has_loopback_ + current_as->has_limiter_ );
378 xbt_dynar_free(&radical_ends);
380 xbt_dynar_free(&radical_elements);
382 // For fat trees, the links must be created once all nodes have been added
383 if(cluster->topology == SURF_CLUSTER_FAT_TREE) {
384 static_cast<simgrid::surf::AsClusterFatTree*>(current_as)->create_links();
386 // Add a router. It is magically used thanks to the way in which surf_routing_cluster is written,
387 // and it's very useful to connect clusters together
389 XBT_DEBUG("<router id=\"%s\"/>", cluster->router_id);
391 s_sg_platf_router_cbarg_t router;
392 memset(&router, 0, sizeof(router));
393 router.id = cluster->router_id;
395 if (!router.id || !strcmp(router.id, ""))
396 router.id = newid = bprintf("%s%s_router%s", cluster->prefix, cluster->id, cluster->suffix);
397 sg_platf_new_router(&router);
398 current_as->router_ = (simgrid::surf::NetCard*) xbt_lib_get_or_null(as_router_lib, router.id, ROUTING_ASR_LEVEL);
402 if ((cluster->bb_bw != 0) || (cluster->bb_lat != 0)) {
403 char *link_backbone = bprintf("%s_backbone", cluster->id);
404 XBT_DEBUG("<link\tid=\"%s\" bw=\"%f\" lat=\"%f\"/>", link_backbone, cluster->bb_bw, cluster->bb_lat);
406 memset(&link, 0, sizeof(link));
407 link.id = link_backbone;
408 link.bandwidth = cluster->bb_bw;
409 link.latency = cluster->bb_lat;
410 link.policy = cluster->bb_sharing_policy;
412 sg_platf_new_link(&link);
414 routing_cluster_add_backbone(Link::byName(link_backbone));
420 sg_platf_new_AS_end();
422 xbt_dict_free(&patterns); // no op if it were never set
424 simgrid::surf::on_cluster(cluster);
426 void routing_cluster_add_backbone(simgrid::surf::Link* bb) {
427 simgrid::surf::AsCluster *cluster = dynamic_cast<simgrid::surf::AsCluster*>(current_routing);
429 xbt_assert(cluster, "Only hosts from Cluster can get a backbone.");
430 xbt_assert(nullptr == cluster->backbone_, "Cluster %s already has a backbone link!", cluster->name());
432 cluster->backbone_ = bb;
433 XBT_DEBUG("Add a backbone to AS '%s'", current_routing->name());
436 void sg_platf_new_cabinet(sg_platf_cabinet_cbarg_t cabinet)
438 std::vector<char*> *hostnames = makeHostnames(cabinet->prefix, cabinet->radical, cabinet->suffix);
440 for (char* hostname : *hostnames) {
441 s_sg_platf_host_cbarg_t host;
442 memset(&host, 0, sizeof(host));
444 host.core_amount = 1;
446 host.speed_per_pstate = xbt_dynar_new(sizeof(double), NULL);
447 xbt_dynar_push(host.speed_per_pstate,&cabinet->speed);
448 sg_platf_new_host(&host);
449 xbt_dynar_free(&host.speed_per_pstate);
451 s_sg_platf_link_cbarg_t link;
452 memset(&link, 0, sizeof(link));
453 link.policy = SURF_LINK_FULLDUPLEX;
454 link.latency = cabinet->lat;
455 link.bandwidth = cabinet->bw;
456 link.id = bprintf("link_%s",hostname);
457 sg_platf_new_link(&link);
458 free((char*)link.id);
460 s_sg_platf_host_link_cbarg_t host_link;
461 memset(&host_link, 0, sizeof(host_link));
462 host_link.id = hostname;
463 host_link.link_up = bprintf("link_%s_UP",hostname);
464 host_link.link_down = bprintf("link_%s_DOWN",hostname);
465 sg_platf_new_hostlink(&host_link);
466 free((char*)host_link.link_up);
467 free((char*)host_link.link_down);
474 void sg_platf_new_storage(sg_platf_storage_cbarg_t storage)
476 xbt_assert(!xbt_lib_get_or_null(storage_lib, storage->id,ROUTING_STORAGE_LEVEL),
477 "Refusing to add a second storage named \"%s\"", storage->id);
479 void* stype = xbt_lib_get_or_null(storage_type_lib, storage->type_id,ROUTING_STORAGE_TYPE_LEVEL);
480 xbt_assert(stype,"No storage type '%s'", storage->type_id);
482 XBT_DEBUG("ROUTING Create a storage name '%s' with type_id '%s' and content '%s'",
487 xbt_lib_set(storage_lib, storage->id, ROUTING_STORAGE_LEVEL, (void *) xbt_strdup(storage->type_id));
489 // if storage content is not specified use the content of storage_type if any
490 if(!strcmp(storage->content,"") && strcmp(((storage_type_t) stype)->content,"")){
491 storage->content = ((storage_type_t) stype)->content;
492 storage->content_type = ((storage_type_t) stype)->content_type;
493 XBT_DEBUG("For disk '%s' content is empty, inherit the content (of type %s) from storage type '%s' ",
494 storage->id,((storage_type_t) stype)->content_type,
495 ((storage_type_t) stype)->type_id);
498 XBT_DEBUG("SURF storage create resource\n\t\tid '%s'\n\t\ttype '%s' "
499 "\n\t\tmodel '%s' \n\t\tcontent '%s'\n\t\tcontent_type '%s' "
500 "\n\t\tproperties '%p''\n",
502 ((storage_type_t) stype)->model,
503 ((storage_type_t) stype)->type_id,
505 storage->content_type,
506 storage->properties);
508 surf_storage_model->createStorage(storage->id,
509 ((storage_type_t) stype)->type_id,
511 storage->content_type,
515 void sg_platf_new_storage_type(sg_platf_storage_type_cbarg_t storage_type){
517 xbt_assert(!xbt_lib_get_or_null(storage_type_lib, storage_type->id,ROUTING_STORAGE_TYPE_LEVEL),
518 "Reading a storage type, processing unit \"%s\" already exists", storage_type->id);
520 storage_type_t stype = xbt_new0(s_storage_type_t, 1);
521 stype->model = xbt_strdup(storage_type->model);
522 stype->properties = storage_type->properties;
523 stype->content = xbt_strdup(storage_type->content);
524 stype->content_type = xbt_strdup(storage_type->content_type);
525 stype->type_id = xbt_strdup(storage_type->id);
526 stype->size = storage_type->size;
527 stype->model_properties = storage_type->model_properties;
529 XBT_DEBUG("ROUTING Create a storage type id '%s' with model '%s', "
530 "content '%s', and content_type '%s'",
533 storage_type->content,
534 storage_type->content_type);
536 xbt_lib_set(storage_type_lib,
538 ROUTING_STORAGE_TYPE_LEVEL,
542 static void mount_free(void *p)
544 mount_t mnt = (mount_t) p;
548 void sg_platf_new_mount(sg_platf_mount_cbarg_t mount){
549 xbt_assert(xbt_lib_get_or_null(storage_lib, mount->storageId, ROUTING_STORAGE_LEVEL),
550 "Cannot mount non-existent disk \"%s\"", mount->storageId);
552 XBT_DEBUG("ROUTING Mount '%s' on '%s'",mount->storageId, mount->name);
555 mnt.storage = surf_storage_resource_priv(surf_storage_resource_by_name(mount->storageId));
556 mnt.name = xbt_strdup(mount->name);
559 XBT_DEBUG("Create a Mount list for %s",A_surfxml_host_id);
560 mount_list = xbt_dynar_new(sizeof(s_mount_t), mount_free);
562 xbt_dynar_push(mount_list, &mnt);
565 void sg_platf_new_route(sg_platf_route_cbarg_t route)
567 routing_get_current()->addRoute(route);
570 void sg_platf_new_bypassRoute(sg_platf_route_cbarg_t bypassRoute)
572 routing_get_current()->addBypassRoute(bypassRoute);
575 void sg_platf_new_process(sg_platf_process_cbarg_t process)
577 xbt_assert(simix_global,"Cannot create process without SIMIX.");
579 sg_host_t host = sg_host_by_name(process->host);
581 // The requested host does not exist. Do a nice message to the user
582 char *tmp = bprintf("Cannot create process '%s': host '%s' does not exist\nExisting hosts: '",process->function, process->host);
583 xbt_strbuff_t msg = xbt_strbuff_new_from(tmp);
585 xbt_dynar_t all_hosts = xbt_dynar_sort_strings(sg_hosts_as_dynar());
586 simgrid::s4u::Host* host;
588 xbt_dynar_foreach(all_hosts,cursor, host) {
589 xbt_strbuff_append(msg,host->name().c_str());
590 xbt_strbuff_append(msg,"', '");
591 if (msg->used > 1024) {
592 msg->data[msg->used-3]='\0';
595 xbt_strbuff_append(msg," ...(list truncated)......");// That will be shortened by 3 chars when existing the loop
598 msg->data[msg->used-3]='\0';
599 xbt_die("%s", msg->data);
601 xbt_main_func_t parse_code = SIMIX_get_registered_function(process->function);
602 xbt_assert(parse_code, "Function '%s' unknown", process->function);
604 double start_time = process->start_time;
605 double kill_time = process->kill_time;
606 int auto_restart = process->on_failure == SURF_PROCESS_ON_FAILURE_DIE ? 0 : 1;
608 smx_process_arg_t arg = NULL;
609 smx_process_t process_created = NULL;
611 arg = xbt_new0(s_smx_process_arg_t, 1);
612 arg->code = parse_code;
614 arg->hostname = sg_host_get_name(host);
615 arg->argc = process->argc;
616 arg->argv = xbt_new(char *,process->argc);
618 for (i=0; i<process->argc; i++)
619 arg->argv[i] = xbt_strdup(process->argv[i]);
620 arg->name = xbt_strdup(arg->argv[0]);
621 arg->kill_time = kill_time;
622 arg->properties = current_property_set;
623 if (!sg_host_simix(host)->boot_processes) {
624 sg_host_simix(host)->boot_processes = xbt_dynar_new(sizeof(smx_process_arg_t), _SIMIX_host_free_process_arg);
626 xbt_dynar_push_as(sg_host_simix(host)->boot_processes,smx_process_arg_t,arg);
628 if (start_time > SIMIX_get_clock()) {
629 arg = xbt_new0(s_smx_process_arg_t, 1);
630 arg->name = (char*)(process->argv)[0];
631 arg->code = parse_code;
633 arg->hostname = sg_host_get_name(host);
634 arg->argc = process->argc;
635 arg->argv = (char**)(process->argv);
636 arg->kill_time = kill_time;
637 arg->properties = current_property_set;
639 XBT_DEBUG("Process %s(%s) will be started at time %f", arg->name,
640 arg->hostname, start_time);
641 SIMIX_timer_set(start_time, [](void* arg) {
642 SIMIX_process_create_from_wrapper((smx_process_arg_t) arg);
644 } else { // start_time <= SIMIX_get_clock()
645 XBT_DEBUG("Starting Process %s(%s) right now", arg->name, sg_host_get_name(host));
647 if (simix_global->create_process_function)
648 process_created = simix_global->create_process_function(
652 sg_host_get_name(host),
655 (char**)(process->argv),
656 current_property_set,
659 process_created = simcall_process_create(arg->name, parse_code, NULL, sg_host_get_name(host), kill_time, process->argc,
660 (char**)process->argv, current_property_set,auto_restart);
662 /* verify if process has been created (won't be the case if the host is currently dead, but that's fine) */
663 if (!process_created) {
667 current_property_set = NULL;
670 void sg_platf_new_peer(sg_platf_peer_cbarg_t peer)
672 using simgrid::surf::NetCard;
673 using simgrid::surf::AsCluster;
675 char *host_id = bprintf("peer_%s", peer->id);
676 char *router_id = bprintf("router_%s", peer->id);
680 XBT_DEBUG("<AS id=\"%s\"\trouting=\"Cluster\">", peer->id);
681 s_sg_platf_AS_cbarg_t AS;
683 AS.routing = A_surfxml_AS_routing_Cluster;
684 sg_platf_new_AS_begin(&AS);
686 XBT_DEBUG("<host\tid=\"%s\"\tpower=\"%f\"/>", host_id, peer->speed);
687 s_sg_platf_host_cbarg_t host;
688 memset(&host, 0, sizeof(host));
691 host.speed_per_pstate = xbt_dynar_new(sizeof(double), NULL);
692 xbt_dynar_push(host.speed_per_pstate,&peer->speed);
694 host.speed_trace = peer->availability_trace;
695 host.state_trace = peer->state_trace;
696 host.core_amount = 1;
697 sg_platf_new_host(&host);
698 xbt_dynar_free(&host.speed_per_pstate);
700 s_sg_platf_link_cbarg_t link;
701 memset(&link, 0, sizeof(link));
702 link.policy = SURF_LINK_SHARED;
703 link.latency = peer->lat;
705 char* link_up = bprintf("link_%s_UP",peer->id);
706 XBT_DEBUG("<link\tid=\"%s\"\tbw=\"%f\"\tlat=\"%f\"/>", link_up, peer->bw_out, peer->lat);
708 link.bandwidth = peer->bw_out;
709 sg_platf_new_link(&link);
711 char* link_down = bprintf("link_%s_DOWN",peer->id);
712 XBT_DEBUG("<link\tid=\"%s\"\tbw=\"%f\"\tlat=\"%f\"/>", link_down, peer->bw_in, peer->lat);
714 link.bandwidth = peer->bw_in;
715 sg_platf_new_link(&link);
717 XBT_DEBUG("<host_link\tid=\"%s\"\tup=\"%s\"\tdown=\"%s\" />", host_id,link_up,link_down);
718 s_sg_platf_host_link_cbarg_t host_link;
719 memset(&host_link, 0, sizeof(host_link));
720 host_link.id = host_id;
721 host_link.link_up = link_up;
722 host_link.link_down = link_down;
723 sg_platf_new_hostlink(&host_link);
727 XBT_DEBUG("<router id=\"%s\"/>", router_id);
728 s_sg_platf_router_cbarg_t router;
729 memset(&router, 0, sizeof(router));
730 router.id = router_id;
731 router.coord = peer->coord;
732 sg_platf_new_router(&router);
733 static_cast<AsCluster*>(current_routing)->router_ = static_cast<NetCard*>(xbt_lib_get_or_null(as_router_lib, router.id, ROUTING_ASR_LEVEL));
736 sg_platf_new_AS_end();
743 void sg_platf_begin() { /* Do nothing: just for symmetry of user code */ }
745 void sg_platf_end() {
746 simgrid::surf::on_postparse();
749 /* Pick the right models for CPU, net and host, and call their model_init_preparse */
750 static void surf_config_models_setup()
752 const char *host_model_name;
753 const char *vm_model_name;
756 char *network_model_name = NULL;
757 char *cpu_model_name = NULL;
759 char *storage_model_name = NULL;
761 host_model_name = xbt_cfg_get_string(_sg_cfg_set, "host/model");
762 vm_model_name = xbt_cfg_get_string(_sg_cfg_set, "vm/model");
763 network_model_name = xbt_cfg_get_string(_sg_cfg_set, "network/model");
764 cpu_model_name = xbt_cfg_get_string(_sg_cfg_set, "cpu/model");
765 storage_model_name = xbt_cfg_get_string(_sg_cfg_set, "storage/model");
767 /* Check whether we use a net/cpu model differing from the default ones, in which case
768 * we should switch to the "compound" host model to correctly dispatch stuff to
769 * the right net/cpu models.
772 if ((!xbt_cfg_is_default_value(_sg_cfg_set, "network/model") ||
773 !xbt_cfg_is_default_value(_sg_cfg_set, "cpu/model")) &&
774 xbt_cfg_is_default_value(_sg_cfg_set, "host/model")) {
775 host_model_name = "compound";
776 xbt_cfg_set_string(_sg_cfg_set, "host/model", host_model_name);
779 XBT_DEBUG("host model: %s", host_model_name);
780 host_id = find_model_description(surf_host_model_description, host_model_name);
781 if (!strcmp(host_model_name, "compound")) {
785 xbt_assert(cpu_model_name,
786 "Set a cpu model to use with the 'compound' host model");
788 xbt_assert(network_model_name,
789 "Set a network model to use with the 'compound' host model");
791 if(surf_cpu_model_init_preparse){
792 surf_cpu_model_init_preparse();
795 find_model_description(surf_cpu_model_description, cpu_model_name);
796 surf_cpu_model_description[cpu_id].model_init_preparse();
800 find_model_description(surf_network_model_description,
802 surf_network_model_description[network_id].model_init_preparse();
805 XBT_DEBUG("Call host_model_init");
806 surf_host_model_description[host_id].model_init_preparse();
808 XBT_DEBUG("Call vm_model_init");
809 vm_id = find_model_description(surf_vm_model_description, vm_model_name);
810 surf_vm_model_description[vm_id].model_init_preparse();
812 XBT_DEBUG("Call storage_model_init");
813 storage_id = find_model_description(surf_storage_model_description, storage_model_name);
814 surf_storage_model_description[storage_id].model_init_preparse();
819 * \brief Make a new routing component to the platform
821 * Add a new autonomous system to the platform. Any elements (such as host,
822 * router or sub-AS) added after this call and before the corresponding call
823 * to sg_platf_new_AS_close() will be added to this AS.
825 * Once this function was called, the configuration concerning the used
826 * models cannot be changed anymore.
828 * @param AS_id name of this autonomous system. Must be unique in the platform
829 * @param wanted_routing_type one of Full, Floyd, Dijkstra or similar. Full list in the variable routing_models, in src/surf/surf_routing.c
831 void sg_platf_new_AS_begin(sg_platf_AS_cbarg_t AS)
833 if (!surf_parse_models_setup_already_called) {
834 /* Initialize the surf models. That must be done after we got all config, and before we need the models.
835 * That is, after the last <config> tag, if any, and before the first of cluster|peer|AS|trace|trace_connect
837 * I'm not sure for <trace> and <trace_connect>, there may be a bug here
838 * (FIXME: check it out by creating a file beginning with one of these tags)
839 * but cluster and peer create ASes internally, so putting the code in there is ok.
841 surf_parse_models_setup_already_called = 1;
842 surf_config_models_setup();
845 xbt_assert(nullptr == xbt_lib_get_or_null(as_router_lib, AS->id, ROUTING_ASR_LEVEL),
846 "Refusing to create a second AS called \"%s\".", AS->id);
848 _sg_cfg_init_status = 2; /* HACK: direct access to the global controlling the level of configuration to prevent
849 * any further config now that we created some real content */
852 /* search the routing model */
853 simgrid::surf::AsImpl *new_as = NULL;
855 case A_surfxml_AS_routing_Cluster: new_as = new simgrid::surf::AsCluster(AS->id); break;
856 case A_surfxml_AS_routing_ClusterTorus: new_as = new simgrid::surf::AsClusterTorus(AS->id); break;
857 case A_surfxml_AS_routing_ClusterFatTree: new_as = new simgrid::surf::AsClusterFatTree(AS->id); break;
858 case A_surfxml_AS_routing_Dijkstra: new_as = new simgrid::surf::AsDijkstra(AS->id, 0); break;
859 case A_surfxml_AS_routing_DijkstraCache: new_as = new simgrid::surf::AsDijkstra(AS->id, 1); break;
860 case A_surfxml_AS_routing_Floyd: new_as = new simgrid::surf::AsFloyd(AS->id); break;
861 case A_surfxml_AS_routing_Full: new_as = new simgrid::surf::AsFull(AS->id); break;
862 case A_surfxml_AS_routing_None: new_as = new simgrid::surf::AsNone(AS->id); break;
863 case A_surfxml_AS_routing_Vivaldi: new_as = new simgrid::surf::AsVivaldi(AS->id); break;
864 default: xbt_die("Not a valid model!"); break;
867 /* make a new routing component */
868 simgrid::surf::NetCard *netcard = new simgrid::surf::NetCardImpl(new_as->name(), simgrid::surf::NetCard::Type::As, current_routing);
870 if (current_routing == NULL && routing_platf->root_ == NULL) { /* it is the first one */
871 routing_platf->root_ = new_as;
872 } else if (current_routing != NULL && routing_platf->root_ != NULL) {
874 xbt_assert(!xbt_dict_get_or_null(current_routing->children(), AS->id),
875 "The AS \"%s\" already exists", AS->id);
876 /* it is a part of the tree */
877 new_as->father_ = current_routing;
878 /* set the father behavior */
879 if (current_routing->hierarchy_ == simgrid::surf::AsImpl::RoutingMode::unset)
880 current_routing->hierarchy_ = simgrid::surf::AsImpl::RoutingMode::recursive;
881 /* add to the sons dictionary */
882 xbt_dict_set(current_routing->children(), AS->id, (void *) new_as, NULL);
884 THROWF(arg_error, 0, "All defined components must belong to a AS");
887 xbt_lib_set(as_router_lib, netcard->name(), ROUTING_ASR_LEVEL, (void *) netcard);
888 XBT_DEBUG("Having set name '%s' id '%d'", new_as->name(), netcard->id());
890 /* set the new current component of the tree */
891 current_routing = new_as;
892 current_routing->netcard_ = netcard;
894 simgrid::surf::asCreatedCallbacks(new_as);
895 if (TRACE_is_enabled())
896 sg_instr_AS_begin(AS);
900 * \brief Specify that the current description of AS is finished
902 * Once you've declared all the content of your AS, you have to close
903 * it with this call. Your AS is not usable until you call this function.
905 void sg_platf_new_AS_end()
907 xbt_assert(current_routing, "Cannot seal the current AS: none under construction");
908 current_routing->seal();
909 current_routing = static_cast<simgrid::surf::AsImpl*>(current_routing->father());
911 if (TRACE_is_enabled())
915 /** @brief Add a link connecting an host to the rest of its AS (which must be cluster or vivaldi) */
916 void sg_platf_new_hostlink(sg_platf_host_link_cbarg_t hostlink)
918 simgrid::surf::NetCard *netcard = sg_host_by_name(hostlink->id)->pimpl_netcard;
919 xbt_assert(netcard, "Host '%s' not found!", hostlink->id);
920 xbt_assert(dynamic_cast<simgrid::surf::AsCluster*>(current_routing),
921 "Only hosts from Cluster and Vivaldi ASes can get an host_link.");
923 s_surf_parsing_link_up_down_t link_up_down;
924 link_up_down.link_up = Link::byName(hostlink->link_up);
925 link_up_down.link_down = Link::byName(hostlink->link_down);
927 xbt_assert(link_up_down.link_up, "Link '%s' not found!",hostlink->link_up);
928 xbt_assert(link_up_down.link_down, "Link '%s' not found!",hostlink->link_down);
930 // If dynar is is greater than netcard id and if the host_link is already defined
931 auto as_cluster = static_cast<simgrid::surf::AsCluster*>(current_routing);
932 if((int)xbt_dynar_length(as_cluster->privateLinks_) > netcard->id() &&
933 xbt_dynar_get_as(as_cluster->privateLinks_, netcard->id(), void*))
934 surf_parse_error("Host_link for '%s' is already defined!",hostlink->id);
936 XBT_DEBUG("Push Host_link for host '%s' to position %d", netcard->name(), netcard->id());
937 xbt_dynar_set_as(as_cluster->privateLinks_, netcard->id(), s_surf_parsing_link_up_down_t, link_up_down);