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,
107 surf_host_model->createHost(host->id, netcard, cpu, host->properties)->attach(h);
109 if (host->pstate != 0)
110 cpu->setPState(host->pstate);
112 simgrid::s4u::Host::onCreation(*h);
114 if (TRACE_is_enabled() && TRACE_needs_platform())
115 sg_instr_new_host(host);
119 * \brief Add a "router" to the network element list
121 void sg_platf_new_router(sg_platf_router_cbarg_t router)
123 simgrid::surf::As* current_routing = routing_get_current();
125 if (current_routing->hierarchy_ == SURF_ROUTING_NULL)
126 current_routing->hierarchy_ = SURF_ROUTING_BASE;
127 xbt_assert(nullptr == xbt_lib_get_or_null(as_router_lib, router->id, ROUTING_ASR_LEVEL),
128 "Refusing to create a router named '%s': this name already describes a node.", router->id);
130 simgrid::surf::NetCard *netcard = new simgrid::surf::NetCardImpl(router->id, SURF_NETWORK_ELEMENT_ROUTER, current_routing);
131 netcard->setId(current_routing->addComponent(netcard));
132 xbt_lib_set(as_router_lib, router->id, ROUTING_ASR_LEVEL, (void *) netcard);
133 XBT_DEBUG("Having set name '%s' id '%d'", router->id, netcard->id());
134 simgrid::surf::netcardCreatedCallbacks(netcard);
136 if (router->coord && strcmp(router->coord, "")) {
140 if (!COORD_ASR_LEVEL)
141 xbt_die ("To use host coordinates, please add --cfg=network/coordinates:yes to your command line");
142 /* Pre-parse the host coordinates */
143 xbt_dynar_t ctn_str = xbt_str_split_str(router->coord, " ");
144 xbt_dynar_t ctn = xbt_dynar_new(sizeof(double),NULL);
145 xbt_dynar_foreach(ctn_str,cursor, str) {
146 double val = xbt_str_parse_double(str, "Invalid coordinate: %s");
147 xbt_dynar_push(ctn,&val);
149 xbt_dynar_shrink(ctn, 0);
150 xbt_dynar_free(&ctn_str);
151 xbt_lib_set(as_router_lib, router->id, COORD_ASR_LEVEL, (void *) ctn);
152 XBT_DEBUG("Having set router coordinates for '%s'",router->id);
155 if (TRACE_is_enabled() && TRACE_needs_platform())
156 sg_instr_new_router(router);
159 void sg_platf_new_link(sg_platf_link_cbarg_t link){
160 simgrid::surf::on_link(link);
163 void sg_platf_new_cluster(sg_platf_cluster_cbarg_t cluster)
165 using simgrid::surf::AsCluster;
166 using simgrid::surf::AsClusterTorus;
167 using simgrid::surf::AsClusterFatTree;
169 char *host_id, *groups, *link_id = NULL;
170 xbt_dict_t patterns = NULL;
173 s_sg_platf_host_cbarg_t host = SG_PLATF_HOST_INITIALIZER;
174 s_sg_platf_link_cbarg_t link = SG_PLATF_LINK_INITIALIZER;
178 if ((cluster->availability_trace && strcmp(cluster->availability_trace, ""))
179 || (cluster->state_trace && strcmp(cluster->state_trace, ""))) {
180 patterns = xbt_dict_new_homogeneous(xbt_free_f);
181 xbt_dict_set(patterns, "id", xbt_strdup(cluster->id), NULL);
182 xbt_dict_set(patterns, "prefix", xbt_strdup(cluster->prefix), NULL);
183 xbt_dict_set(patterns, "suffix", xbt_strdup(cluster->suffix), NULL);
186 /* Parse the topology attributes.
187 * Nothing to do in a vanilla cluster, but that's another story for torus and flat_trees */
188 s_sg_platf_AS_cbarg_t AS = SG_PLATF_AS_INITIALIZER;
191 switch (cluster->topology) {
192 case SURF_CLUSTER_TORUS:
193 AS.routing = A_surfxml_AS_routing_ClusterTorus;
195 case SURF_CLUSTER_FAT_TREE:
196 AS.routing = A_surfxml_AS_routing_ClusterFatTree;
199 AS.routing = A_surfxml_AS_routing_Cluster;
203 // What an inventive way of initializing the AS that I have as ancestor :-(
204 sg_platf_new_AS_begin(&AS);
205 simgrid::surf::As *current_routing = routing_get_current();
206 static_cast<AsCluster*>(current_routing)->parse_specific_arguments(cluster);
208 if(cluster->loopback_bw!=0 || cluster->loopback_lat!=0){
209 ((AsCluster*)current_routing)->nb_links_per_node_++;
210 ((AsCluster*)current_routing)->has_loopback_=1;
213 if(cluster->limiter_link!=0){
214 ((AsCluster*)current_routing)->nb_links_per_node_++;
215 ((AsCluster*)current_routing)->has_limiter_=1;
220 xbt_dynar_t radical_elements = xbt_str_split(cluster->radical, ",");
221 xbt_dynar_foreach(radical_elements, iter, groups) {
223 xbt_dynar_t radical_ends = xbt_str_split(groups, "-");
224 int start = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 0, char *));
227 switch (xbt_dynar_length(radical_ends)) {
232 end = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 1, char *));
235 surf_parse_error("Malformed radical");
238 for (int i = start; i <= end; i++) {
239 host_id = bprintf("%s%d%s", cluster->prefix, i, cluster->suffix);
240 link_id = bprintf("%s_link_%d", cluster->id, i);
242 XBT_DEBUG("<host\tid=\"%s\"\tpower=\"%f\">", host_id, cluster->speed);
244 memset(&host, 0, sizeof(host));
246 if ((cluster->properties != NULL) && (!xbt_dict_is_empty(cluster->properties))) {
247 xbt_dict_cursor_t cursor=NULL;
249 host.properties = xbt_dict_new();
251 xbt_dict_foreach(cluster->properties,cursor,key,data) {
252 xbt_dict_set(host.properties, key, xbt_strdup(data),free);
255 if (cluster->availability_trace && strcmp(cluster->availability_trace, "")) {
256 xbt_dict_set(patterns, "radical", bprintf("%d", i), NULL);
257 char *avail_file = xbt_str_varsubst(cluster->availability_trace, patterns);
258 XBT_DEBUG("\tavailability_file=\"%s\"", avail_file);
259 host.speed_trace = tmgr_trace_new_from_file(avail_file);
260 xbt_free(avail_file);
262 XBT_DEBUG("\tavailability_file=\"\"");
265 if (cluster->state_trace && strcmp(cluster->state_trace, "")) {
266 char *avail_file = xbt_str_varsubst(cluster->state_trace, patterns);
267 XBT_DEBUG("\tstate_file=\"%s\"", avail_file);
268 host.state_trace = tmgr_trace_new_from_file(avail_file);
269 xbt_free(avail_file);
271 XBT_DEBUG("\tstate_file=\"\"");
274 host.speed_peak = xbt_dynar_new(sizeof(double), NULL);
275 xbt_dynar_push(host.speed_peak,&cluster->speed);
278 //host.power_peak = cluster->power;
279 host.core_amount = cluster->core_amount;
281 sg_platf_new_host(&host);
282 xbt_dynar_free(&host.speed_peak);
283 XBT_DEBUG("</host>");
285 XBT_DEBUG("<link\tid=\"%s\"\tbw=\"%f\"\tlat=\"%f\"/>", link_id,
286 cluster->bw, cluster->lat);
289 s_surf_parsing_link_up_down_t info_lim, info_loop;
290 // All links are saved in a matrix;
291 // every row describes a single node; every node
292 // may have multiple links.
293 // the first column may store a link from x to x if p_has_loopback is set
294 // the second column may store a limiter link if p_has_limiter is set
295 // other columns are to store one or more link for the node
297 //add a loopback link
298 if(cluster->loopback_bw!=0 || cluster->loopback_lat!=0){
299 char *tmp_link = bprintf("%s_loopback", link_id);
300 XBT_DEBUG("<loopback\tid=\"%s\"\tbw=\"%f\"/>", tmp_link,
301 cluster->limiter_link);
304 memset(&link, 0, sizeof(link));
306 link.bandwidth = cluster->loopback_bw;
307 link.latency = cluster->loopback_lat;
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.policy = SURF_LINK_SHARED;
329 sg_platf_new_link(&link);
330 info_lim.link_up = Link::byName(tmp_link);
331 info_lim.link_down = info_lim.link_up;
333 auto as_cluster = static_cast<AsCluster*>(current_routing);
334 xbt_dynar_set(current_routing->upDownLinks,
335 rankId*(as_cluster)->nb_links_per_node_ + as_cluster->has_loopback_ ,
341 //call the cluster function that adds the others links
342 if (cluster->topology == SURF_CLUSTER_FAT_TREE) {
343 ((AsClusterFatTree*) current_routing)->addProcessingNode(i);
346 static_cast<AsCluster*>(current_routing)->create_links_for_node(cluster, i, rankId, rankId*
347 static_cast<AsCluster*>(current_routing)->nb_links_per_node_
348 + static_cast<AsCluster*>(current_routing)->has_loopback_
349 + static_cast<AsCluster*>(current_routing)->has_limiter_ );
356 xbt_dynar_free(&radical_ends);
358 xbt_dynar_free(&radical_elements);
360 // For fat trees, the links must be created once all nodes have been added
361 if(cluster->topology == SURF_CLUSTER_FAT_TREE) {
362 static_cast<simgrid::surf::AsClusterFatTree*>(current_routing)->create_links();
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);
369 s_sg_platf_router_cbarg_t router = SG_PLATF_ROUTER_INITIALIZER;
370 memset(&router, 0, sizeof(router));
371 router.id = cluster->router_id;
373 if (!router.id || !strcmp(router.id, ""))
375 bprintf("%s%s_router%s", cluster->prefix, cluster->id,
377 sg_platf_new_router(&router);
378 ((AsCluster*)current_routing)->router_ = (simgrid::surf::NetCard*) xbt_lib_get_or_null(as_router_lib, router.id, ROUTING_ASR_LEVEL);
382 if ((cluster->bb_bw != 0) || (cluster->bb_lat != 0)) {
383 char *link_backbone = bprintf("%s_backbone", cluster->id);
384 XBT_DEBUG("<link\tid=\"%s\" bw=\"%f\" lat=\"%f\"/>", link_backbone,
385 cluster->bb_bw, cluster->bb_lat);
387 memset(&link, 0, sizeof(link));
388 link.id = link_backbone;
389 link.bandwidth = cluster->bb_bw;
390 link.latency = cluster->bb_lat;
391 link.policy = cluster->bb_sharing_policy;
393 sg_platf_new_link(&link);
395 routing_cluster_add_backbone(Link::byName(link_backbone));
401 sg_platf_new_AS_end();
403 xbt_dict_free(&patterns); // no op if it were never set
405 simgrid::surf::on_cluster(cluster);
408 void sg_platf_new_storage(sg_platf_storage_cbarg_t storage)
410 xbt_assert(!xbt_lib_get_or_null(storage_lib, storage->id,ROUTING_STORAGE_LEVEL),
411 "Refusing to add a second storage named \"%s\"", storage->id);
413 void* stype = xbt_lib_get_or_null(storage_type_lib, storage->type_id,ROUTING_STORAGE_TYPE_LEVEL);
414 xbt_assert(stype,"No storage type '%s'", storage->type_id);
416 XBT_DEBUG("ROUTING Create a storage name '%s' with type_id '%s' and content '%s'",
421 xbt_lib_set(storage_lib,
423 ROUTING_STORAGE_LEVEL,
424 (void *) xbt_strdup(storage->type_id));
426 // if storage content is not specified use the content of storage_type if any
427 if(!strcmp(storage->content,"") && strcmp(((storage_type_t) stype)->content,"")){
428 storage->content = ((storage_type_t) stype)->content;
429 storage->content_type = ((storage_type_t) stype)->content_type;
430 XBT_DEBUG("For disk '%s' content is empty, inherit the content (of type %s) from storage type '%s' ",
431 storage->id,((storage_type_t) stype)->content_type,
432 ((storage_type_t) stype)->type_id);
435 XBT_DEBUG("SURF storage create resource\n\t\tid '%s'\n\t\ttype '%s' "
436 "\n\t\tmodel '%s' \n\t\tcontent '%s'\n\t\tcontent_type '%s' "
437 "\n\t\tproperties '%p''\n",
439 ((storage_type_t) stype)->model,
440 ((storage_type_t) stype)->type_id,
442 storage->content_type,
443 storage->properties);
445 surf_storage_model->createStorage(storage->id,
446 ((storage_type_t) stype)->type_id,
448 storage->content_type,
452 void sg_platf_new_storage_type(sg_platf_storage_type_cbarg_t storage_type){
454 xbt_assert(!xbt_lib_get_or_null(storage_type_lib, storage_type->id,ROUTING_STORAGE_TYPE_LEVEL),
455 "Reading a storage type, processing unit \"%s\" already exists", storage_type->id);
457 storage_type_t stype = xbt_new0(s_storage_type_t, 1);
458 stype->model = xbt_strdup(storage_type->model);
459 stype->properties = storage_type->properties;
460 stype->content = xbt_strdup(storage_type->content);
461 stype->content_type = xbt_strdup(storage_type->content_type);
462 stype->type_id = xbt_strdup(storage_type->id);
463 stype->size = storage_type->size;
464 stype->model_properties = storage_type->model_properties;
466 XBT_DEBUG("ROUTING Create a storage type id '%s' with model '%s', "
467 "content '%s', and content_type '%s'",
470 storage_type->content,
471 storage_type->content_type);
473 xbt_lib_set(storage_type_lib,
475 ROUTING_STORAGE_TYPE_LEVEL,
478 void sg_platf_new_mstorage(sg_platf_mstorage_cbarg_t mstorage)
483 static void mount_free(void *p)
485 mount_t mnt = (mount_t) p;
489 void sg_platf_new_mount(sg_platf_mount_cbarg_t mount){
490 // Verification of an existing storage
491 xbt_assert(xbt_lib_get_or_null(storage_lib, mount->storageId, ROUTING_STORAGE_LEVEL),
492 "Cannot mount non-existent disk \"%s\"", mount->storageId);
494 XBT_DEBUG("ROUTING Mount '%s' on '%s'",mount->storageId, mount->name);
497 mnt.storage = surf_storage_resource_priv(surf_storage_resource_by_name(mount->storageId));
498 mnt.name = xbt_strdup(mount->name);
501 XBT_DEBUG("Create a Mount list for %s",A_surfxml_host_id);
502 mount_list = xbt_dynar_new(sizeof(s_mount_t), mount_free);
504 xbt_dynar_push(mount_list, &mnt);
507 void sg_platf_new_route(sg_platf_route_cbarg_t route)
509 routing_get_current()->addRoute(route);
512 void sg_platf_new_bypassRoute(sg_platf_route_cbarg_t bypassRoute)
514 routing_get_current()->addBypassRoute(bypassRoute);
517 void sg_platf_new_process(sg_platf_process_cbarg_t process)
519 xbt_assert(simix_global,"Cannot create process without SIMIX.");
521 sg_host_t host = sg_host_by_name(process->host);
523 // The requested host does not exist. Do a nice message to the user
524 char *tmp = bprintf("Cannot create process '%s': host '%s' does not exist\nExisting hosts: '",process->function, process->host);
525 xbt_strbuff_t msg = xbt_strbuff_new_from(tmp);
527 xbt_dynar_t all_hosts = xbt_dynar_sort_strings(sg_hosts_as_dynar());
528 simgrid::s4u::Host* host;
530 xbt_dynar_foreach(all_hosts,cursor, host) {
531 xbt_strbuff_append(msg,host->name().c_str());
532 xbt_strbuff_append(msg,"', '");
533 if (msg->used > 1024) {
534 msg->data[msg->used-3]='\0';
537 xbt_strbuff_append(msg," ...(list truncated)......");// That will be shortened by 3 chars when existing the loop
540 msg->data[msg->used-3]='\0';
541 xbt_die("%s", msg->data);
543 xbt_main_func_t parse_code = SIMIX_get_registered_function(process->function);
544 xbt_assert(parse_code, "Function '%s' unknown", process->function);
546 double start_time = process->start_time;
547 double kill_time = process->kill_time;
548 int auto_restart = process->on_failure == SURF_PROCESS_ON_FAILURE_DIE ? 0 : 1;
550 smx_process_arg_t arg = NULL;
551 smx_process_t process_created = NULL;
553 arg = xbt_new0(s_smx_process_arg_t, 1);
554 arg->code = parse_code;
556 arg->hostname = sg_host_get_name(host);
557 arg->argc = process->argc;
558 arg->argv = xbt_new(char *,process->argc);
560 for (i=0; i<process->argc; i++)
561 arg->argv[i] = xbt_strdup(process->argv[i]);
562 arg->name = xbt_strdup(arg->argv[0]);
563 arg->kill_time = kill_time;
564 arg->properties = current_property_set;
565 if (!sg_host_simix(host)->boot_processes) {
566 sg_host_simix(host)->boot_processes = xbt_dynar_new(sizeof(smx_process_arg_t), _SIMIX_host_free_process_arg);
568 xbt_dynar_push_as(sg_host_simix(host)->boot_processes,smx_process_arg_t,arg);
570 if (start_time > SIMIX_get_clock()) {
571 arg = xbt_new0(s_smx_process_arg_t, 1);
572 arg->name = (char*)(process->argv)[0];
573 arg->code = parse_code;
575 arg->hostname = sg_host_get_name(host);
576 arg->argc = process->argc;
577 arg->argv = (char**)(process->argv);
578 arg->kill_time = kill_time;
579 arg->properties = current_property_set;
581 XBT_DEBUG("Process %s(%s) will be started at time %f", arg->name,
582 arg->hostname, start_time);
583 SIMIX_timer_set(start_time, [](void* arg) {
584 SIMIX_process_create_from_wrapper((smx_process_arg_t) arg);
586 } else { // start_time <= SIMIX_get_clock()
587 XBT_DEBUG("Starting Process %s(%s) right now", arg->name, sg_host_get_name(host));
589 if (simix_global->create_process_function)
590 process_created = simix_global->create_process_function(
594 sg_host_get_name(host),
597 (char**)(process->argv),
598 current_property_set,
601 process_created = simcall_process_create(arg->name, parse_code, NULL, sg_host_get_name(host), kill_time, process->argc,
602 (char**)process->argv, current_property_set,auto_restart);
604 /* verify if process has been created (won't be the case if the host is currently dead, but that's fine) */
605 if (!process_created) {
609 current_property_set = NULL;
612 void sg_platf_begin() { /* Do nothing: just for symmetry of user code */ }
614 void sg_platf_end() {
615 simgrid::surf::on_postparse();
618 /* Pick the right models for CPU, net and host, and call their model_init_preparse */
619 static void surf_config_models_setup()
621 const char *host_model_name;
622 const char *vm_model_name;
625 char *network_model_name = NULL;
626 char *cpu_model_name = NULL;
628 char *storage_model_name = NULL;
630 host_model_name = xbt_cfg_get_string(_sg_cfg_set, "host/model");
631 vm_model_name = xbt_cfg_get_string(_sg_cfg_set, "vm/model");
632 network_model_name = xbt_cfg_get_string(_sg_cfg_set, "network/model");
633 cpu_model_name = xbt_cfg_get_string(_sg_cfg_set, "cpu/model");
634 storage_model_name = xbt_cfg_get_string(_sg_cfg_set, "storage/model");
636 /* Check whether we use a net/cpu model differing from the default ones, in which case
637 * we should switch to the "compound" host model to correctly dispatch stuff to
638 * the right net/cpu models.
641 if ((!xbt_cfg_is_default_value(_sg_cfg_set, "network/model") ||
642 !xbt_cfg_is_default_value(_sg_cfg_set, "cpu/model")) &&
643 xbt_cfg_is_default_value(_sg_cfg_set, "host/model")) {
644 host_model_name = "compound";
645 xbt_cfg_set_string(_sg_cfg_set, "host/model", host_model_name);
648 XBT_DEBUG("host model: %s", host_model_name);
649 host_id = find_model_description(surf_host_model_description, host_model_name);
650 if (!strcmp(host_model_name, "compound")) {
654 xbt_assert(cpu_model_name,
655 "Set a cpu model to use with the 'compound' host model");
657 xbt_assert(network_model_name,
658 "Set a network model to use with the 'compound' host model");
660 if(surf_cpu_model_init_preparse){
661 surf_cpu_model_init_preparse();
664 find_model_description(surf_cpu_model_description, cpu_model_name);
665 surf_cpu_model_description[cpu_id].model_init_preparse();
669 find_model_description(surf_network_model_description,
671 surf_network_model_description[network_id].model_init_preparse();
674 XBT_DEBUG("Call host_model_init");
675 surf_host_model_description[host_id].model_init_preparse();
677 XBT_DEBUG("Call vm_model_init");
678 vm_id = find_model_description(surf_vm_model_description, vm_model_name);
679 surf_vm_model_description[vm_id].model_init_preparse();
681 XBT_DEBUG("Call storage_model_init");
682 storage_id = find_model_description(surf_storage_model_description, storage_model_name);
683 surf_storage_model_description[storage_id].model_init_preparse();
687 void sg_platf_new_AS_begin(sg_platf_AS_cbarg_t AS)
689 if (!surf_parse_models_setup_already_called) {
690 /* Initialize the surf models. That must be done after we got all config, and before we need the models.
691 * That is, after the last <config> tag, if any, and before the first of cluster|peer|AS|trace|trace_connect
693 * I'm not sure for <trace> and <trace_connect>, there may be a bug here
694 * (FIXME: check it out by creating a file beginning with one of these tags)
695 * but cluster and peer create ASes internally, so putting the code in there is ok.
697 * TODO, There used to be a guard protecting here against
698 * xbt_dynar_length(sg_platf_AS_begin_cb_list) because we don't want to
699 * initialize the models if we are parsing the file to get the deployment.
700 * That could happen if the same file would be used for platf and deploy:
701 * it'd contain AS tags even during the deploy parsing. Removing that guard
702 * would result of the models to get re-inited when parsing for deploy.
703 * Currently using the same file for platform and deployment is broken
704 * however. This guard will have to ba adapted in order to make this feature
707 surf_parse_models_setup_already_called = 1;
708 surf_config_models_setup();
711 routing_AS_begin(AS);
712 if (TRACE_is_enabled())
713 sg_instr_AS_begin(AS);
716 void sg_platf_new_AS_end()
719 if (TRACE_is_enabled())