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 "surf/surf.h"
15 #include "src/simix/smx_private.h"
17 #include "src/include/simgrid/sg_config.h"
18 #include "src/surf/xml/platf_private.hpp"
20 #include "src/surf/cpu_interface.hpp"
21 #include "src/surf/host_interface.hpp"
22 #include "src/surf/network_interface.hpp"
23 #include "surf/surf_routing.h" // FIXME: brain dead public header
24 #include "src/surf/surf_routing_cluster.hpp"
25 #include "src/surf/surf_routing_cluster_torus.hpp"
26 #include "src/surf/surf_routing_cluster_fat_tree.hpp"
28 XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(surf_parse);
30 XBT_PRIVATE xbt_dynar_t mount_list = NULL;
35 simgrid::xbt::signal<void(sg_platf_link_cbarg_t)> on_link;
36 simgrid::xbt::signal<void(sg_platf_cluster_cbarg_t)> on_cluster;
37 simgrid::xbt::signal<void(void)> on_postparse;
42 static int surf_parse_models_setup_already_called = 0;
44 /** Module management function: creates all internal data structures */
45 void sg_platf_init(void) {
48 /** Module management function: frees all internal data structures */
49 void sg_platf_exit(void) {
50 simgrid::surf::on_link.disconnect_all_slots();
51 simgrid::surf::on_cluster.disconnect_all_slots();
52 simgrid::surf::on_postparse.disconnect_all_slots();
54 /* make sure that we will reinit the models while loading the platf once reinited */
55 surf_parse_models_setup_already_called = 0;
56 surf_parse_lex_destroy();
59 /** @brief Add an "host" to the current AS */
60 void sg_platf_new_host(sg_platf_host_cbarg_t host)
62 xbt_assert(! sg_host_by_name(host->id),
63 "Refusing to create a second host named '%s'.", host->id);
65 simgrid::surf::As* current_routing = routing_get_current();
66 if (current_routing->hierarchy_ == SURF_ROUTING_NULL)
67 current_routing->hierarchy_ = SURF_ROUTING_BASE;
69 simgrid::surf::NetCard *netcard =
70 new simgrid::surf::NetCardImpl(host->id, SURF_NETWORK_ELEMENT_HOST, current_routing);
72 netcard->setId(current_routing->addComponent(netcard));
73 sg_host_t h = simgrid::s4u::Host::by_name_or_create(host->id);
74 h->pimpl_netcard = netcard;
75 simgrid::surf::netcardCreatedCallbacks(netcard);
78 xbt_lib_set(storage_lib, host->id, ROUTING_STORAGE_HOST_LEVEL, (void *) mount_list);
82 if (host->coord && strcmp(host->coord, "")) {
86 if (!COORD_HOST_LEVEL)
87 xbt_die ("To use host coordinates, please add --cfg=network/coordinates:yes to your command line");
88 /* Pre-parse the host coordinates -- FIXME factorize with routers by overloading the routing->parse_PU function*/
89 xbt_dynar_t ctn_str = xbt_str_split_str(host->coord, " ");
90 xbt_dynar_t ctn = xbt_dynar_new(sizeof(double),NULL);
91 xbt_dynar_foreach(ctn_str,cursor, str) {
92 double val = xbt_str_parse_double(str, "Invalid coordinate: %s");
93 xbt_dynar_push(ctn,&val);
95 xbt_dynar_shrink(ctn, 0);
96 xbt_dynar_free(&ctn_str);
97 h->extension_set(COORD_HOST_LEVEL, (void *) ctn);
98 XBT_DEBUG("Having set host coordinates for '%s'",host->id);
102 simgrid::surf::Cpu *cpu = surf_cpu_model_pm->createCpu( h,
105 host->speed_scale, host->speed_trace,
107 host->initiallyOn, host->state_trace);
108 surf_host_model->createHost(host->id, netcard, cpu, host->properties)->attach(h);
109 simgrid::s4u::Host::onCreation(*h);
111 if (TRACE_is_enabled() && TRACE_needs_platform())
112 sg_instr_new_host(host);
116 * \brief Add a "router" to the network element list
118 void sg_platf_new_router(sg_platf_router_cbarg_t router)
120 simgrid::surf::As* current_routing = routing_get_current();
122 if (current_routing->hierarchy_ == SURF_ROUTING_NULL)
123 current_routing->hierarchy_ = SURF_ROUTING_BASE;
124 xbt_assert(nullptr == xbt_lib_get_or_null(as_router_lib, router->id, ROUTING_ASR_LEVEL),
125 "Refusing to create a router named '%s': this name already describes a node.", router->id);
127 simgrid::surf::NetCard *netcard = new simgrid::surf::NetCardImpl(router->id, SURF_NETWORK_ELEMENT_ROUTER, current_routing);
128 netcard->setId(current_routing->addComponent(netcard));
129 xbt_lib_set(as_router_lib, router->id, ROUTING_ASR_LEVEL, (void *) netcard);
130 XBT_DEBUG("Having set name '%s' id '%d'", router->id, netcard->id());
131 simgrid::surf::netcardCreatedCallbacks(netcard);
133 if (router->coord && strcmp(router->coord, "")) {
137 if (!COORD_ASR_LEVEL)
138 xbt_die ("To use host coordinates, please add --cfg=network/coordinates:yes to your command line");
139 /* Pre-parse the host coordinates */
140 xbt_dynar_t ctn_str = xbt_str_split_str(router->coord, " ");
141 xbt_dynar_t ctn = xbt_dynar_new(sizeof(double),NULL);
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_shrink(ctn, 0);
147 xbt_dynar_free(&ctn_str);
148 xbt_lib_set(as_router_lib, router->id, COORD_ASR_LEVEL, (void *) ctn);
149 XBT_DEBUG("Having set router coordinates for '%s'",router->id);
152 if (TRACE_is_enabled() && TRACE_needs_platform())
153 sg_instr_new_router(router);
156 void sg_platf_new_link(sg_platf_link_cbarg_t link){
157 simgrid::surf::on_link(link);
160 void sg_platf_new_cluster(sg_platf_cluster_cbarg_t cluster)
162 using simgrid::surf::AsCluster;
163 using simgrid::surf::AsClusterTorus;
164 using simgrid::surf::AsClusterFatTree;
166 char *host_id, *groups, *link_id = NULL;
167 xbt_dict_t patterns = NULL;
170 s_sg_platf_host_cbarg_t host = SG_PLATF_HOST_INITIALIZER;
171 s_sg_platf_link_cbarg_t link = SG_PLATF_LINK_INITIALIZER;
175 if ((cluster->availability_trace && strcmp(cluster->availability_trace, ""))
176 || (cluster->state_trace && strcmp(cluster->state_trace, ""))) {
177 patterns = xbt_dict_new_homogeneous(xbt_free_f);
178 xbt_dict_set(patterns, "id", xbt_strdup(cluster->id), NULL);
179 xbt_dict_set(patterns, "prefix", xbt_strdup(cluster->prefix), NULL);
180 xbt_dict_set(patterns, "suffix", xbt_strdup(cluster->suffix), NULL);
183 /* Parse the topology attributes.
184 * Nothing to do in a vanilla cluster, but that's another story for torus and flat_trees */
185 s_sg_platf_AS_cbarg_t AS = SG_PLATF_AS_INITIALIZER;
188 switch (cluster->topology) {
189 case SURF_CLUSTER_TORUS:
190 AS.routing = A_surfxml_AS_routing_ClusterTorus;
192 case SURF_CLUSTER_FAT_TREE:
193 AS.routing = A_surfxml_AS_routing_ClusterFatTree;
196 AS.routing = A_surfxml_AS_routing_Cluster;
200 // What an inventive way of initializing the AS that I have as ancestor :-(
201 sg_platf_new_AS_begin(&AS);
202 simgrid::surf::As *current_routing = routing_get_current();
203 static_cast<AsCluster*>(current_routing)->parse_specific_arguments(cluster);
205 if(cluster->loopback_bw!=0 || cluster->loopback_lat!=0){
206 ((AsCluster*)current_routing)->nb_links_per_node_++;
207 ((AsCluster*)current_routing)->has_loopback_=1;
210 if(cluster->limiter_link!=0){
211 ((AsCluster*)current_routing)->nb_links_per_node_++;
212 ((AsCluster*)current_routing)->has_limiter_=1;
217 xbt_dynar_t radical_elements = xbt_str_split(cluster->radical, ",");
218 xbt_dynar_foreach(radical_elements, iter, groups) {
220 xbt_dynar_t radical_ends = xbt_str_split(groups, "-");
221 int start = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 0, char *));
224 switch (xbt_dynar_length(radical_ends)) {
229 end = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 1, char *));
232 surf_parse_error("Malformed radical");
235 for (int i = start; i <= end; i++) {
236 host_id = bprintf("%s%d%s", cluster->prefix, i, cluster->suffix);
237 link_id = bprintf("%s_link_%d", cluster->id, i);
239 XBT_DEBUG("<host\tid=\"%s\"\tpower=\"%f\">", host_id, cluster->speed);
241 memset(&host, 0, sizeof(host));
243 if ((cluster->properties != NULL) && (!xbt_dict_is_empty(cluster->properties))) {
244 xbt_dict_cursor_t cursor=NULL;
246 host.properties = xbt_dict_new();
248 xbt_dict_foreach(cluster->properties,cursor,key,data) {
249 xbt_dict_set(host.properties, key, xbt_strdup(data),free);
252 if (cluster->availability_trace && strcmp(cluster->availability_trace, "")) {
253 xbt_dict_set(patterns, "radical", bprintf("%d", i), NULL);
254 char *avail_file = xbt_str_varsubst(cluster->availability_trace, patterns);
255 XBT_DEBUG("\tavailability_file=\"%s\"", avail_file);
256 host.speed_trace = tmgr_trace_new_from_file(avail_file);
257 xbt_free(avail_file);
259 XBT_DEBUG("\tavailability_file=\"\"");
262 if (cluster->state_trace && strcmp(cluster->state_trace, "")) {
263 char *avail_file = xbt_str_varsubst(cluster->state_trace, patterns);
264 XBT_DEBUG("\tstate_file=\"%s\"", avail_file);
265 host.state_trace = tmgr_trace_new_from_file(avail_file);
266 xbt_free(avail_file);
268 XBT_DEBUG("\tstate_file=\"\"");
271 host.speed_peak = xbt_dynar_new(sizeof(double), NULL);
272 xbt_dynar_push(host.speed_peak,&cluster->speed);
275 //host.power_peak = cluster->power;
276 host.speed_scale = 1.0;
277 host.core_amount = cluster->core_amount;
278 host.initiallyOn = 1;
280 sg_platf_new_host(&host);
281 xbt_dynar_free(&host.speed_peak);
282 XBT_DEBUG("</host>");
284 XBT_DEBUG("<link\tid=\"%s\"\tbw=\"%f\"\tlat=\"%f\"/>", link_id,
285 cluster->bw, cluster->lat);
288 s_surf_parsing_link_up_down_t info_lim, info_loop;
289 // All links are saved in a matrix;
290 // every row describes a single node; every node
291 // may have multiple links.
292 // the first column may store a link from x to x if p_has_loopback is set
293 // the second column may store a limiter link if p_has_limiter is set
294 // other columns are to store one or more link for the node
296 //add a loopback link
297 if(cluster->loopback_bw!=0 || cluster->loopback_lat!=0){
298 char *tmp_link = bprintf("%s_loopback", link_id);
299 XBT_DEBUG("<loopback\tid=\"%s\"\tbw=\"%f\"/>", tmp_link,
300 cluster->limiter_link);
303 memset(&link, 0, sizeof(link));
305 link.bandwidth = cluster->loopback_bw;
306 link.latency = cluster->loopback_lat;
307 link.initiallyOn = 1;
308 link.policy = SURF_LINK_FATPIPE;
309 sg_platf_new_link(&link);
310 info_loop.link_up = Link::byName(tmp_link);
311 info_loop.link_down = info_loop.link_up;
313 xbt_dynar_set(current_routing->upDownLinks,
314 rankId*(static_cast<AsCluster*>(current_routing))->nb_links_per_node_, &info_loop);
317 //add a limiter link (shared link to account for maximal bandwidth of the node)
318 if(cluster->limiter_link!=0){
319 char *tmp_link = bprintf("%s_limiter", link_id);
320 XBT_DEBUG("<limiter\tid=\"%s\"\tbw=\"%f\"/>", tmp_link,
321 cluster->limiter_link);
324 memset(&link, 0, sizeof(link));
326 link.bandwidth = cluster->limiter_link;
328 link.initiallyOn = 1;
329 link.policy = SURF_LINK_SHARED;
330 sg_platf_new_link(&link);
331 info_lim.link_up = Link::byName(tmp_link);
332 info_lim.link_down = info_lim.link_up;
334 auto as_cluster = static_cast<AsCluster*>(current_routing);
335 xbt_dynar_set(current_routing->upDownLinks,
336 rankId*(as_cluster)->nb_links_per_node_ + as_cluster->has_loopback_ ,
342 //call the cluster function that adds the others links
343 if (cluster->topology == SURF_CLUSTER_FAT_TREE) {
344 ((AsClusterFatTree*) current_routing)->addProcessingNode(i);
347 static_cast<AsCluster*>(current_routing)->create_links_for_node(cluster, i, rankId, rankId*
348 static_cast<AsCluster*>(current_routing)->nb_links_per_node_
349 + static_cast<AsCluster*>(current_routing)->has_loopback_
350 + static_cast<AsCluster*>(current_routing)->has_limiter_ );
357 xbt_dynar_free(&radical_ends);
359 xbt_dynar_free(&radical_elements);
361 // For fat trees, the links must be created once all nodes have been added
362 if(cluster->topology == SURF_CLUSTER_FAT_TREE) {
363 static_cast<simgrid::surf::AsClusterFatTree*>(current_routing)->create_links();
365 // Add a router. It is magically used thanks to the way in which surf_routing_cluster is written,
366 // and it's very useful to connect clusters together
368 XBT_DEBUG("<router id=\"%s\"/>", cluster->router_id);
370 s_sg_platf_router_cbarg_t router = SG_PLATF_ROUTER_INITIALIZER;
371 memset(&router, 0, sizeof(router));
372 router.id = cluster->router_id;
374 if (!router.id || !strcmp(router.id, ""))
376 bprintf("%s%s_router%s", cluster->prefix, cluster->id,
378 sg_platf_new_router(&router);
379 ((AsCluster*)current_routing)->router_ = (simgrid::surf::NetCard*) xbt_lib_get_or_null(as_router_lib, router.id, ROUTING_ASR_LEVEL);
383 if ((cluster->bb_bw != 0) || (cluster->bb_lat != 0)) {
384 char *link_backbone = bprintf("%s_backbone", cluster->id);
385 XBT_DEBUG("<link\tid=\"%s\" bw=\"%f\" lat=\"%f\"/>", link_backbone,
386 cluster->bb_bw, cluster->bb_lat);
388 memset(&link, 0, sizeof(link));
389 link.id = link_backbone;
390 link.bandwidth = cluster->bb_bw;
391 link.latency = cluster->bb_lat;
392 link.initiallyOn = 1;
393 link.policy = cluster->bb_sharing_policy;
395 sg_platf_new_link(&link);
397 routing_cluster_add_backbone(Link::byName(link_backbone));
403 sg_platf_new_AS_end();
405 xbt_dict_free(&patterns); // no op if it were never set
407 simgrid::surf::on_cluster(cluster);
410 void sg_platf_new_storage(sg_platf_storage_cbarg_t storage)
412 xbt_assert(!xbt_lib_get_or_null(storage_lib, storage->id,ROUTING_STORAGE_LEVEL),
413 "Refusing to add a second storage named \"%s\"", storage->id);
415 void* stype = xbt_lib_get_or_null(storage_type_lib, storage->type_id,ROUTING_STORAGE_TYPE_LEVEL);
416 xbt_assert(stype,"No storage type '%s'", storage->type_id);
418 XBT_DEBUG("ROUTING Create a storage name '%s' with type_id '%s' and content '%s'",
423 xbt_lib_set(storage_lib,
425 ROUTING_STORAGE_LEVEL,
426 (void *) xbt_strdup(storage->type_id));
428 // if storage content is not specified use the content of storage_type if any
429 if(!strcmp(storage->content,"") && strcmp(((storage_type_t) stype)->content,"")){
430 storage->content = ((storage_type_t) stype)->content;
431 storage->content_type = ((storage_type_t) stype)->content_type;
432 XBT_DEBUG("For disk '%s' content is empty, inherit the content (of type %s) from storage type '%s' ",
433 storage->id,((storage_type_t) stype)->content_type,
434 ((storage_type_t) stype)->type_id);
437 XBT_DEBUG("SURF storage create resource\n\t\tid '%s'\n\t\ttype '%s' "
438 "\n\t\tmodel '%s' \n\t\tcontent '%s'\n\t\tcontent_type '%s' "
439 "\n\t\tproperties '%p''\n",
441 ((storage_type_t) stype)->model,
442 ((storage_type_t) stype)->type_id,
444 storage->content_type,
445 storage->properties);
447 surf_storage_model->createStorage(storage->id,
448 ((storage_type_t) stype)->type_id,
450 storage->content_type,
454 void sg_platf_new_storage_type(sg_platf_storage_type_cbarg_t storage_type){
456 xbt_assert(!xbt_lib_get_or_null(storage_type_lib, storage_type->id,ROUTING_STORAGE_TYPE_LEVEL),
457 "Reading a storage type, processing unit \"%s\" already exists", storage_type->id);
459 storage_type_t stype = xbt_new0(s_storage_type_t, 1);
460 stype->model = xbt_strdup(storage_type->model);
461 stype->properties = storage_type->properties;
462 stype->content = xbt_strdup(storage_type->content);
463 stype->content_type = xbt_strdup(storage_type->content_type);
464 stype->type_id = xbt_strdup(storage_type->id);
465 stype->size = storage_type->size;
466 stype->model_properties = storage_type->model_properties;
468 XBT_DEBUG("ROUTING Create a storage type id '%s' with model '%s', "
469 "content '%s', and content_type '%s'",
472 storage_type->content,
473 storage_type->content_type);
475 xbt_lib_set(storage_type_lib,
477 ROUTING_STORAGE_TYPE_LEVEL,
480 void sg_platf_new_mstorage(sg_platf_mstorage_cbarg_t mstorage)
485 static void mount_free(void *p)
487 mount_t mnt = (mount_t) p;
491 void sg_platf_new_mount(sg_platf_mount_cbarg_t mount){
492 // Verification of an existing storage
493 xbt_assert(xbt_lib_get_or_null(storage_lib, mount->storageId, ROUTING_STORAGE_LEVEL),
494 "Cannot mount non-existent disk \"%s\"", mount->storageId);
496 XBT_DEBUG("ROUTING Mount '%s' on '%s'",mount->storageId, mount->name);
499 mnt.storage = surf_storage_resource_priv(surf_storage_resource_by_name(mount->storageId));
500 mnt.name = xbt_strdup(mount->name);
503 XBT_DEBUG("Create a Mount list for %s",A_surfxml_host_id);
504 mount_list = xbt_dynar_new(sizeof(s_mount_t), mount_free);
506 xbt_dynar_push(mount_list, &mnt);
509 void sg_platf_new_route(sg_platf_route_cbarg_t route)
511 routing_get_current()->addRoute(route);
514 void sg_platf_new_bypassRoute(sg_platf_route_cbarg_t bypassRoute)
516 routing_get_current()->addBypassRoute(bypassRoute);
519 void sg_platf_new_process(sg_platf_process_cbarg_t process)
521 xbt_assert(simix_global,"Cannot create process without SIMIX.");
523 sg_host_t host = sg_host_by_name(process->host);
525 // The requested host does not exist. Do a nice message to the user
526 char *tmp = bprintf("Cannot create process '%s': host '%s' does not exist\nExisting hosts: '",process->function, process->host);
527 xbt_strbuff_t msg = xbt_strbuff_new_from(tmp);
529 xbt_dynar_t all_hosts = xbt_dynar_sort_strings(sg_hosts_as_dynar());
530 simgrid::s4u::Host* host;
532 xbt_dynar_foreach(all_hosts,cursor, host) {
533 xbt_strbuff_append(msg,host->name().c_str());
534 xbt_strbuff_append(msg,"', '");
535 if (msg->used > 1024) {
536 msg->data[msg->used-3]='\0';
539 xbt_strbuff_append(msg," ...(list truncated)......");// That will be shortened by 3 chars when existing the loop
542 msg->data[msg->used-3]='\0';
543 xbt_die("%s", msg->data);
545 xbt_main_func_t parse_code = SIMIX_get_registered_function(process->function);
546 xbt_assert(parse_code, "Function '%s' unknown", process->function);
548 double start_time = process->start_time;
549 double kill_time = process->kill_time;
550 int auto_restart = process->on_failure == SURF_PROCESS_ON_FAILURE_DIE ? 0 : 1;
552 smx_process_arg_t arg = NULL;
553 smx_process_t process_created = NULL;
555 arg = xbt_new0(s_smx_process_arg_t, 1);
556 arg->code = parse_code;
558 arg->hostname = sg_host_get_name(host);
559 arg->argc = process->argc;
560 arg->argv = xbt_new(char *,process->argc);
562 for (i=0; i<process->argc; i++)
563 arg->argv[i] = xbt_strdup(process->argv[i]);
564 arg->name = xbt_strdup(arg->argv[0]);
565 arg->kill_time = kill_time;
566 arg->properties = current_property_set;
567 if (!sg_host_simix(host)->boot_processes) {
568 sg_host_simix(host)->boot_processes = xbt_dynar_new(sizeof(smx_process_arg_t), _SIMIX_host_free_process_arg);
570 xbt_dynar_push_as(sg_host_simix(host)->boot_processes,smx_process_arg_t,arg);
572 if (start_time > SIMIX_get_clock()) {
573 arg = xbt_new0(s_smx_process_arg_t, 1);
574 arg->name = (char*)(process->argv)[0];
575 arg->code = parse_code;
577 arg->hostname = sg_host_get_name(host);
578 arg->argc = process->argc;
579 arg->argv = (char**)(process->argv);
580 arg->kill_time = kill_time;
581 arg->properties = current_property_set;
583 XBT_DEBUG("Process %s(%s) will be started at time %f", arg->name,
584 arg->hostname, start_time);
585 SIMIX_timer_set(start_time, [](void* arg) {
586 SIMIX_process_create_from_wrapper((smx_process_arg_t) arg);
588 } else { // start_time <= SIMIX_get_clock()
589 XBT_DEBUG("Starting Process %s(%s) right now", arg->name, sg_host_get_name(host));
591 if (simix_global->create_process_function)
592 process_created = simix_global->create_process_function(
596 sg_host_get_name(host),
599 (char**)(process->argv),
600 current_property_set,
603 process_created = simcall_process_create(arg->name, parse_code, NULL, sg_host_get_name(host), kill_time, process->argc,
604 (char**)process->argv, current_property_set,auto_restart);
606 /* verify if process has been created (won't be the case if the host is currently dead, but that's fine) */
607 if (!process_created) {
611 current_property_set = NULL;
614 void sg_platf_begin() { /* Do nothing: just for symmetry of user code */ }
616 void sg_platf_end() {
617 simgrid::surf::on_postparse();
620 /* Pick the right models for CPU, net and host, and call their model_init_preparse */
621 static void surf_config_models_setup()
623 const char *host_model_name;
624 const char *vm_model_name;
627 char *network_model_name = NULL;
628 char *cpu_model_name = NULL;
630 char *storage_model_name = NULL;
632 host_model_name = xbt_cfg_get_string(_sg_cfg_set, "host/model");
633 vm_model_name = xbt_cfg_get_string(_sg_cfg_set, "vm/model");
634 network_model_name = xbt_cfg_get_string(_sg_cfg_set, "network/model");
635 cpu_model_name = xbt_cfg_get_string(_sg_cfg_set, "cpu/model");
636 storage_model_name = xbt_cfg_get_string(_sg_cfg_set, "storage/model");
638 /* Check whether we use a net/cpu model differing from the default ones, in which case
639 * we should switch to the "compound" host model to correctly dispatch stuff to
640 * the right net/cpu models.
643 if ((!xbt_cfg_is_default_value(_sg_cfg_set, "network/model") ||
644 !xbt_cfg_is_default_value(_sg_cfg_set, "cpu/model")) &&
645 xbt_cfg_is_default_value(_sg_cfg_set, "host/model")) {
646 host_model_name = "compound";
647 xbt_cfg_set_string(_sg_cfg_set, "host/model", host_model_name);
650 XBT_DEBUG("host model: %s", host_model_name);
651 host_id = find_model_description(surf_host_model_description, host_model_name);
652 if (!strcmp(host_model_name, "compound")) {
656 xbt_assert(cpu_model_name,
657 "Set a cpu model to use with the 'compound' host model");
659 xbt_assert(network_model_name,
660 "Set a network model to use with the 'compound' host model");
662 if(surf_cpu_model_init_preparse){
663 surf_cpu_model_init_preparse();
666 find_model_description(surf_cpu_model_description, cpu_model_name);
667 surf_cpu_model_description[cpu_id].model_init_preparse();
671 find_model_description(surf_network_model_description,
673 surf_network_model_description[network_id].model_init_preparse();
676 XBT_DEBUG("Call host_model_init");
677 surf_host_model_description[host_id].model_init_preparse();
679 XBT_DEBUG("Call vm_model_init");
680 vm_id = find_model_description(surf_vm_model_description, vm_model_name);
681 surf_vm_model_description[vm_id].model_init_preparse();
683 XBT_DEBUG("Call storage_model_init");
684 storage_id = find_model_description(surf_storage_model_description, storage_model_name);
685 surf_storage_model_description[storage_id].model_init_preparse();
689 void sg_platf_new_AS_begin(sg_platf_AS_cbarg_t AS)
691 if (!surf_parse_models_setup_already_called) {
692 /* Initialize the surf models. That must be done after we got all config, and before we need the models.
693 * That is, after the last <config> tag, if any, and before the first of cluster|peer|AS|trace|trace_connect
695 * I'm not sure for <trace> and <trace_connect>, there may be a bug here
696 * (FIXME: check it out by creating a file beginning with one of these tags)
697 * but cluster and peer create ASes internally, so putting the code in there is ok.
699 * TODO, There used to be a guard protecting here against
700 * xbt_dynar_length(sg_platf_AS_begin_cb_list) because we don't want to
701 * initialize the models if we are parsing the file to get the deployment.
702 * That could happen if the same file would be used for platf and deploy:
703 * it'd contain AS tags even during the deploy parsing. Removing that guard
704 * would result of the models to get re-inited when parsing for deploy.
705 * Currently using the same file for platform and deployment is broken
706 * however. This guard will have to ba adapted in order to make this feature
709 surf_parse_models_setup_already_called = 1;
710 surf_config_models_setup();
713 routing_AS_begin(AS);
714 if (TRACE_is_enabled())
715 sg_instr_AS_begin(AS);
718 void sg_platf_new_AS_end()
721 if (TRACE_is_enabled())