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 /** The current AS in the parsing */
52 static simgrid::surf::AsImpl *current_routing = NULL;
53 static simgrid::surf::AsImpl* routing_get_current()
55 return current_routing;
58 /** Module management function: creates all internal data structures */
59 void sg_platf_init(void) {
62 /** Module management function: frees all internal data structures */
63 void sg_platf_exit(void) {
64 simgrid::surf::on_link.disconnect_all_slots();
65 simgrid::surf::on_cluster.disconnect_all_slots();
66 simgrid::surf::on_postparse.disconnect_all_slots();
68 /* make sure that we will reinit the models while loading the platf once reinited */
69 surf_parse_models_setup_already_called = 0;
70 surf_parse_lex_destroy();
73 /** @brief Add an "host" to the current AS */
74 void sg_platf_new_host(sg_platf_host_cbarg_t host)
76 xbt_assert(! sg_host_by_name(host->id),
77 "Refusing to create a second host named '%s'.", host->id);
79 simgrid::surf::AsImpl* current_routing = routing_get_current();
80 if (current_routing->hierarchy_ == simgrid::surf::AsImpl::RoutingMode::unset)
81 current_routing->hierarchy_ = simgrid::surf::AsImpl::RoutingMode::base;
83 simgrid::surf::NetCard *netcard =
84 new simgrid::surf::NetCardImpl(host->id, SURF_NETWORK_ELEMENT_HOST, current_routing);
86 netcard->setId(current_routing->addComponent(netcard));
87 sg_host_t h = simgrid::s4u::Host::by_name_or_create(host->id);
88 h->pimpl_netcard = netcard;
89 simgrid::surf::netcardCreatedCallbacks(netcard);
92 xbt_lib_set(storage_lib, host->id, ROUTING_STORAGE_HOST_LEVEL, (void *) mount_list);
96 if (host->coord && strcmp(host->coord, "")) {
100 if (!COORD_HOST_LEVEL)
101 xbt_die ("To use host coordinates, please add --cfg=network/coordinates:yes to your command line");
102 /* Pre-parse the host coordinates -- FIXME factorize with routers by overloading the routing->parse_PU function*/
103 xbt_dynar_t ctn_str = xbt_str_split_str(host->coord, " ");
104 xbt_dynar_t ctn = xbt_dynar_new(sizeof(double),NULL);
105 xbt_dynar_foreach(ctn_str,cursor, str) {
106 double val = xbt_str_parse_double(str, "Invalid coordinate: %s");
107 xbt_dynar_push(ctn,&val);
109 xbt_dynar_shrink(ctn, 0);
110 xbt_dynar_free(&ctn_str);
111 h->extension_set(COORD_HOST_LEVEL, (void *) ctn);
112 XBT_DEBUG("Having set host coordinates for '%s'",host->id);
116 simgrid::surf::Cpu *cpu = surf_cpu_model_pm->createCpu( h,
121 surf_host_model->createHost(host->id, netcard, cpu, host->properties)->attach(h);
123 if (host->pstate != 0)
124 cpu->setPState(host->pstate);
126 simgrid::s4u::Host::onCreation(*h);
128 if (TRACE_is_enabled() && TRACE_needs_platform())
129 sg_instr_new_host(host);
133 * \brief Add a "router" to the network element list
135 void sg_platf_new_router(sg_platf_router_cbarg_t router)
137 simgrid::surf::AsImpl* current_routing = routing_get_current();
139 if (current_routing->hierarchy_ == simgrid::surf::AsImpl::RoutingMode::unset)
140 current_routing->hierarchy_ = simgrid::surf::AsImpl::RoutingMode::base;
141 xbt_assert(nullptr == xbt_lib_get_or_null(as_router_lib, router->id, ROUTING_ASR_LEVEL),
142 "Refusing to create a router named '%s': this name already describes a node.", router->id);
144 simgrid::surf::NetCard *netcard = new simgrid::surf::NetCardImpl(router->id, SURF_NETWORK_ELEMENT_ROUTER, current_routing);
145 netcard->setId(current_routing->addComponent(netcard));
146 xbt_lib_set(as_router_lib, router->id, ROUTING_ASR_LEVEL, (void *) netcard);
147 XBT_DEBUG("Having set name '%s' id '%d'", router->id, netcard->id());
148 simgrid::surf::netcardCreatedCallbacks(netcard);
150 if (router->coord && strcmp(router->coord, "")) {
154 if (!COORD_ASR_LEVEL)
155 xbt_die ("To use host coordinates, please add --cfg=network/coordinates:yes to your command line");
156 /* Pre-parse the host coordinates */
157 xbt_dynar_t ctn_str = xbt_str_split_str(router->coord, " ");
158 xbt_dynar_t ctn = xbt_dynar_new(sizeof(double),NULL);
159 xbt_dynar_foreach(ctn_str,cursor, str) {
160 double val = xbt_str_parse_double(str, "Invalid coordinate: %s");
161 xbt_dynar_push(ctn,&val);
163 xbt_dynar_shrink(ctn, 0);
164 xbt_dynar_free(&ctn_str);
165 xbt_lib_set(as_router_lib, router->id, COORD_ASR_LEVEL, (void *) ctn);
166 XBT_DEBUG("Having set router coordinates for '%s'",router->id);
169 if (TRACE_is_enabled() && TRACE_needs_platform())
170 sg_instr_new_router(router);
173 void sg_platf_new_link(sg_platf_link_cbarg_t link){
174 simgrid::surf::on_link(link);
177 void sg_platf_new_cluster(sg_platf_cluster_cbarg_t cluster)
179 using simgrid::surf::AsCluster;
180 using simgrid::surf::AsClusterTorus;
181 using simgrid::surf::AsClusterFatTree;
183 char *host_id, *groups, *link_id = NULL;
184 xbt_dict_t patterns = NULL;
187 s_sg_platf_host_cbarg_t host = SG_PLATF_HOST_INITIALIZER;
188 s_sg_platf_link_cbarg_t link = SG_PLATF_LINK_INITIALIZER;
192 if ((cluster->availability_trace && strcmp(cluster->availability_trace, ""))
193 || (cluster->state_trace && strcmp(cluster->state_trace, ""))) {
194 patterns = xbt_dict_new_homogeneous(xbt_free_f);
195 xbt_dict_set(patterns, "id", xbt_strdup(cluster->id), NULL);
196 xbt_dict_set(patterns, "prefix", xbt_strdup(cluster->prefix), NULL);
197 xbt_dict_set(patterns, "suffix", xbt_strdup(cluster->suffix), NULL);
200 /* Parse the topology attributes.
201 * Nothing to do in a vanilla cluster, but that's another story for torus and flat_trees */
202 s_sg_platf_AS_cbarg_t AS = SG_PLATF_AS_INITIALIZER;
205 switch (cluster->topology) {
206 case SURF_CLUSTER_TORUS:
207 AS.routing = A_surfxml_AS_routing_ClusterTorus;
209 case SURF_CLUSTER_FAT_TREE:
210 AS.routing = A_surfxml_AS_routing_ClusterFatTree;
213 AS.routing = A_surfxml_AS_routing_Cluster;
217 // What an inventive way of initializing the AS that I have as ancestor :-(
218 sg_platf_new_AS_begin(&AS);
219 simgrid::surf::AsImpl *current_routing = routing_get_current();
220 static_cast<AsCluster*>(current_routing)->parse_specific_arguments(cluster);
222 if(cluster->loopback_bw!=0 || cluster->loopback_lat!=0){
223 ((AsCluster*)current_routing)->nb_links_per_node_++;
224 ((AsCluster*)current_routing)->has_loopback_=1;
227 if(cluster->limiter_link!=0){
228 ((AsCluster*)current_routing)->nb_links_per_node_++;
229 ((AsCluster*)current_routing)->has_limiter_=1;
234 xbt_dynar_t radical_elements = xbt_str_split(cluster->radical, ",");
235 xbt_dynar_foreach(radical_elements, iter, groups) {
237 xbt_dynar_t radical_ends = xbt_str_split(groups, "-");
238 int start = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 0, char *));
241 switch (xbt_dynar_length(radical_ends)) {
246 end = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 1, char *));
249 surf_parse_error("Malformed radical");
252 for (int i = start; i <= end; i++) {
253 host_id = bprintf("%s%d%s", cluster->prefix, i, cluster->suffix);
254 link_id = bprintf("%s_link_%d", cluster->id, i);
256 XBT_DEBUG("<host\tid=\"%s\"\tpower=\"%f\">", host_id, cluster->speed);
258 memset(&host, 0, sizeof(host));
260 if ((cluster->properties != NULL) && (!xbt_dict_is_empty(cluster->properties))) {
261 xbt_dict_cursor_t cursor=NULL;
263 host.properties = xbt_dict_new();
265 xbt_dict_foreach(cluster->properties,cursor,key,data) {
266 xbt_dict_set(host.properties, key, xbt_strdup(data),free);
269 if (cluster->availability_trace && strcmp(cluster->availability_trace, "")) {
270 xbt_dict_set(patterns, "radical", bprintf("%d", i), NULL);
271 char *avail_file = xbt_str_varsubst(cluster->availability_trace, patterns);
272 XBT_DEBUG("\tavailability_file=\"%s\"", avail_file);
273 host.speed_trace = tmgr_trace_new_from_file(avail_file);
274 xbt_free(avail_file);
276 XBT_DEBUG("\tavailability_file=\"\"");
279 if (cluster->state_trace && strcmp(cluster->state_trace, "")) {
280 char *avail_file = xbt_str_varsubst(cluster->state_trace, patterns);
281 XBT_DEBUG("\tstate_file=\"%s\"", avail_file);
282 host.state_trace = tmgr_trace_new_from_file(avail_file);
283 xbt_free(avail_file);
285 XBT_DEBUG("\tstate_file=\"\"");
288 host.speed_peak = xbt_dynar_new(sizeof(double), NULL);
289 xbt_dynar_push(host.speed_peak,&cluster->speed);
292 //host.power_peak = cluster->power;
293 host.core_amount = cluster->core_amount;
295 sg_platf_new_host(&host);
296 xbt_dynar_free(&host.speed_peak);
297 XBT_DEBUG("</host>");
299 XBT_DEBUG("<link\tid=\"%s\"\tbw=\"%f\"\tlat=\"%f\"/>", link_id,
300 cluster->bw, cluster->lat);
303 s_surf_parsing_link_up_down_t info_lim, info_loop;
304 // All links are saved in a matrix;
305 // every row describes a single node; every node
306 // may have multiple links.
307 // the first column may store a link from x to x if p_has_loopback is set
308 // the second column may store a limiter link if p_has_limiter is set
309 // other columns are to store one or more link for the node
311 //add a loopback link
312 if(cluster->loopback_bw!=0 || cluster->loopback_lat!=0){
313 char *tmp_link = bprintf("%s_loopback", link_id);
314 XBT_DEBUG("<loopback\tid=\"%s\"\tbw=\"%f\"/>", tmp_link,
315 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 = Link::byName(tmp_link);
325 info_loop.link_down = info_loop.link_up;
327 xbt_dynar_set(current_routing->upDownLinks, rankId*(static_cast<AsCluster*>(current_routing))->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,
334 cluster->limiter_link);
337 memset(&link, 0, sizeof(link));
339 link.bandwidth = cluster->limiter_link;
341 link.policy = SURF_LINK_SHARED;
342 sg_platf_new_link(&link);
343 info_lim.link_up = Link::byName(tmp_link);
344 info_lim.link_down = info_lim.link_up;
346 auto as_cluster = static_cast<AsCluster*>(current_routing);
347 xbt_dynar_set(current_routing->upDownLinks, rankId*(as_cluster)->nb_links_per_node_ + as_cluster->has_loopback_ , &info_lim);
352 //call the cluster function that adds the others links
353 if (cluster->topology == SURF_CLUSTER_FAT_TREE) {
354 ((AsClusterFatTree*) current_routing)->addProcessingNode(i);
357 static_cast<AsCluster*>(current_routing)->create_links_for_node(cluster, i, rankId, rankId*
358 static_cast<AsCluster*>(current_routing)->nb_links_per_node_
359 + static_cast<AsCluster*>(current_routing)->has_loopback_
360 + static_cast<AsCluster*>(current_routing)->has_limiter_ );
367 xbt_dynar_free(&radical_ends);
369 xbt_dynar_free(&radical_elements);
371 // For fat trees, the links must be created once all nodes have been added
372 if(cluster->topology == SURF_CLUSTER_FAT_TREE) {
373 static_cast<simgrid::surf::AsClusterFatTree*>(current_routing)->create_links();
375 // Add a router. It is magically used thanks to the way in which surf_routing_cluster is written,
376 // and it's very useful to connect clusters together
378 XBT_DEBUG("<router id=\"%s\"/>", cluster->router_id);
380 s_sg_platf_router_cbarg_t router = SG_PLATF_ROUTER_INITIALIZER;
381 memset(&router, 0, sizeof(router));
382 router.id = cluster->router_id;
384 if (!router.id || !strcmp(router.id, ""))
386 bprintf("%s%s_router%s", cluster->prefix, cluster->id,
388 sg_platf_new_router(&router);
389 ((AsCluster*)current_routing)->router_ = (simgrid::surf::NetCard*) xbt_lib_get_or_null(as_router_lib, router.id, ROUTING_ASR_LEVEL);
393 if ((cluster->bb_bw != 0) || (cluster->bb_lat != 0)) {
394 char *link_backbone = bprintf("%s_backbone", cluster->id);
395 XBT_DEBUG("<link\tid=\"%s\" bw=\"%f\" lat=\"%f\"/>", link_backbone,
396 cluster->bb_bw, cluster->bb_lat);
398 memset(&link, 0, sizeof(link));
399 link.id = link_backbone;
400 link.bandwidth = cluster->bb_bw;
401 link.latency = cluster->bb_lat;
402 link.policy = cluster->bb_sharing_policy;
404 sg_platf_new_link(&link);
406 routing_cluster_add_backbone(Link::byName(link_backbone));
412 sg_platf_new_AS_end();
414 xbt_dict_free(&patterns); // no op if it were never set
416 simgrid::surf::on_cluster(cluster);
418 void routing_cluster_add_backbone(simgrid::surf::Link* bb) {
419 simgrid::surf::AsCluster *cluster = dynamic_cast<simgrid::surf::AsCluster*>(current_routing);
421 xbt_assert(cluster, "Only hosts from Cluster can get a backbone.");
422 xbt_assert(nullptr == cluster->backbone_, "Cluster %s already has a backbone link!", cluster->name());
424 cluster->backbone_ = bb;
425 XBT_DEBUG("Add a backbone to AS '%s'", current_routing->name());
428 void sg_platf_new_storage(sg_platf_storage_cbarg_t storage)
430 xbt_assert(!xbt_lib_get_or_null(storage_lib, storage->id,ROUTING_STORAGE_LEVEL),
431 "Refusing to add a second storage named \"%s\"", storage->id);
433 void* stype = xbt_lib_get_or_null(storage_type_lib, storage->type_id,ROUTING_STORAGE_TYPE_LEVEL);
434 xbt_assert(stype,"No storage type '%s'", storage->type_id);
436 XBT_DEBUG("ROUTING Create a storage name '%s' with type_id '%s' and content '%s'",
441 xbt_lib_set(storage_lib, storage->id, ROUTING_STORAGE_LEVEL, (void *) xbt_strdup(storage->type_id));
443 // if storage content is not specified use the content of storage_type if any
444 if(!strcmp(storage->content,"") && strcmp(((storage_type_t) stype)->content,"")){
445 storage->content = ((storage_type_t) stype)->content;
446 storage->content_type = ((storage_type_t) stype)->content_type;
447 XBT_DEBUG("For disk '%s' content is empty, inherit the content (of type %s) from storage type '%s' ",
448 storage->id,((storage_type_t) stype)->content_type,
449 ((storage_type_t) stype)->type_id);
452 XBT_DEBUG("SURF storage create resource\n\t\tid '%s'\n\t\ttype '%s' "
453 "\n\t\tmodel '%s' \n\t\tcontent '%s'\n\t\tcontent_type '%s' "
454 "\n\t\tproperties '%p''\n",
456 ((storage_type_t) stype)->model,
457 ((storage_type_t) stype)->type_id,
459 storage->content_type,
460 storage->properties);
462 surf_storage_model->createStorage(storage->id,
463 ((storage_type_t) stype)->type_id,
465 storage->content_type,
469 void sg_platf_new_storage_type(sg_platf_storage_type_cbarg_t storage_type){
471 xbt_assert(!xbt_lib_get_or_null(storage_type_lib, storage_type->id,ROUTING_STORAGE_TYPE_LEVEL),
472 "Reading a storage type, processing unit \"%s\" already exists", storage_type->id);
474 storage_type_t stype = xbt_new0(s_storage_type_t, 1);
475 stype->model = xbt_strdup(storage_type->model);
476 stype->properties = storage_type->properties;
477 stype->content = xbt_strdup(storage_type->content);
478 stype->content_type = xbt_strdup(storage_type->content_type);
479 stype->type_id = xbt_strdup(storage_type->id);
480 stype->size = storage_type->size;
481 stype->model_properties = storage_type->model_properties;
483 XBT_DEBUG("ROUTING Create a storage type id '%s' with model '%s', "
484 "content '%s', and content_type '%s'",
487 storage_type->content,
488 storage_type->content_type);
490 xbt_lib_set(storage_type_lib,
492 ROUTING_STORAGE_TYPE_LEVEL,
495 void sg_platf_new_mstorage(sg_platf_mstorage_cbarg_t mstorage)
500 static void mount_free(void *p)
502 mount_t mnt = (mount_t) p;
506 void sg_platf_new_mount(sg_platf_mount_cbarg_t mount){
507 // Verification of an existing storage
508 xbt_assert(xbt_lib_get_or_null(storage_lib, mount->storageId, ROUTING_STORAGE_LEVEL),
509 "Cannot mount non-existent disk \"%s\"", mount->storageId);
511 XBT_DEBUG("ROUTING Mount '%s' on '%s'",mount->storageId, mount->name);
514 mnt.storage = surf_storage_resource_priv(surf_storage_resource_by_name(mount->storageId));
515 mnt.name = xbt_strdup(mount->name);
518 XBT_DEBUG("Create a Mount list for %s",A_surfxml_host_id);
519 mount_list = xbt_dynar_new(sizeof(s_mount_t), mount_free);
521 xbt_dynar_push(mount_list, &mnt);
524 void sg_platf_new_route(sg_platf_route_cbarg_t route)
526 routing_get_current()->addRoute(route);
529 void sg_platf_new_bypassRoute(sg_platf_route_cbarg_t bypassRoute)
531 routing_get_current()->addBypassRoute(bypassRoute);
534 void sg_platf_new_process(sg_platf_process_cbarg_t process)
536 xbt_assert(simix_global,"Cannot create process without SIMIX.");
538 sg_host_t host = sg_host_by_name(process->host);
540 // The requested host does not exist. Do a nice message to the user
541 char *tmp = bprintf("Cannot create process '%s': host '%s' does not exist\nExisting hosts: '",process->function, process->host);
542 xbt_strbuff_t msg = xbt_strbuff_new_from(tmp);
544 xbt_dynar_t all_hosts = xbt_dynar_sort_strings(sg_hosts_as_dynar());
545 simgrid::s4u::Host* host;
547 xbt_dynar_foreach(all_hosts,cursor, host) {
548 xbt_strbuff_append(msg,host->name().c_str());
549 xbt_strbuff_append(msg,"', '");
550 if (msg->used > 1024) {
551 msg->data[msg->used-3]='\0';
554 xbt_strbuff_append(msg," ...(list truncated)......");// That will be shortened by 3 chars when existing the loop
557 msg->data[msg->used-3]='\0';
558 xbt_die("%s", msg->data);
560 xbt_main_func_t parse_code = SIMIX_get_registered_function(process->function);
561 xbt_assert(parse_code, "Function '%s' unknown", process->function);
563 double start_time = process->start_time;
564 double kill_time = process->kill_time;
565 int auto_restart = process->on_failure == SURF_PROCESS_ON_FAILURE_DIE ? 0 : 1;
567 smx_process_arg_t arg = NULL;
568 smx_process_t process_created = NULL;
570 arg = xbt_new0(s_smx_process_arg_t, 1);
571 arg->code = parse_code;
573 arg->hostname = sg_host_get_name(host);
574 arg->argc = process->argc;
575 arg->argv = xbt_new(char *,process->argc);
577 for (i=0; i<process->argc; i++)
578 arg->argv[i] = xbt_strdup(process->argv[i]);
579 arg->name = xbt_strdup(arg->argv[0]);
580 arg->kill_time = kill_time;
581 arg->properties = current_property_set;
582 if (!sg_host_simix(host)->boot_processes) {
583 sg_host_simix(host)->boot_processes = xbt_dynar_new(sizeof(smx_process_arg_t), _SIMIX_host_free_process_arg);
585 xbt_dynar_push_as(sg_host_simix(host)->boot_processes,smx_process_arg_t,arg);
587 if (start_time > SIMIX_get_clock()) {
588 arg = xbt_new0(s_smx_process_arg_t, 1);
589 arg->name = (char*)(process->argv)[0];
590 arg->code = parse_code;
592 arg->hostname = sg_host_get_name(host);
593 arg->argc = process->argc;
594 arg->argv = (char**)(process->argv);
595 arg->kill_time = kill_time;
596 arg->properties = current_property_set;
598 XBT_DEBUG("Process %s(%s) will be started at time %f", arg->name,
599 arg->hostname, start_time);
600 SIMIX_timer_set(start_time, [](void* arg) {
601 SIMIX_process_create_from_wrapper((smx_process_arg_t) arg);
603 } else { // start_time <= SIMIX_get_clock()
604 XBT_DEBUG("Starting Process %s(%s) right now", arg->name, sg_host_get_name(host));
606 if (simix_global->create_process_function)
607 process_created = simix_global->create_process_function(
611 sg_host_get_name(host),
614 (char**)(process->argv),
615 current_property_set,
618 process_created = simcall_process_create(arg->name, parse_code, NULL, sg_host_get_name(host), kill_time, process->argc,
619 (char**)process->argv, current_property_set,auto_restart);
621 /* verify if process has been created (won't be the case if the host is currently dead, but that's fine) */
622 if (!process_created) {
626 current_property_set = NULL;
629 void sg_platf_new_peer(sg_platf_peer_cbarg_t peer)
631 using simgrid::surf::NetCard;
632 using simgrid::surf::AsCluster;
634 char *host_id = NULL;
635 char *link_id = NULL;
636 char *router_id = NULL;
639 host_id = bprintf("peer_%s", peer->id);
640 link_id = bprintf("link_%s", peer->id);
641 router_id = bprintf("router_%s", peer->id);
643 XBT_DEBUG("<AS id=\"%s\"\trouting=\"Cluster\">", peer->id);
644 s_sg_platf_AS_cbarg_t AS = SG_PLATF_AS_INITIALIZER;
646 AS.routing = A_surfxml_AS_routing_Cluster;
647 sg_platf_new_AS_begin(&AS);
649 XBT_DEBUG("<host\tid=\"%s\"\tpower=\"%f\"/>", host_id, peer->speed);
650 s_sg_platf_host_cbarg_t host = SG_PLATF_HOST_INITIALIZER;
651 memset(&host, 0, sizeof(host));
654 host.speed_peak = xbt_dynar_new(sizeof(double), NULL);
655 xbt_dynar_push(host.speed_peak,&peer->speed);
657 //host.power_peak = peer->power;
658 host.speed_trace = peer->availability_trace;
659 host.state_trace = peer->state_trace;
660 host.core_amount = 1;
661 sg_platf_new_host(&host);
662 xbt_dynar_free(&host.speed_peak);
664 s_sg_platf_link_cbarg_t link = SG_PLATF_LINK_INITIALIZER;
665 memset(&link, 0, sizeof(link));
666 link.policy = SURF_LINK_SHARED;
667 link.latency = peer->lat;
669 char* link_up = bprintf("%s_UP",link_id);
670 XBT_DEBUG("<link\tid=\"%s\"\tbw=\"%f\"\tlat=\"%f\"/>", link_up,
671 peer->bw_out, peer->lat);
673 link.bandwidth = peer->bw_out;
674 sg_platf_new_link(&link);
676 char* link_down = bprintf("%s_DOWN",link_id);
677 XBT_DEBUG("<link\tid=\"%s\"\tbw=\"%f\"\tlat=\"%f\"/>", link_down,
678 peer->bw_in, peer->lat);
680 link.bandwidth = peer->bw_in;
681 sg_platf_new_link(&link);
683 XBT_DEBUG("<host_link\tid=\"%s\"\tup=\"%s\"\tdown=\"%s\" />", host_id,link_up,link_down);
684 s_sg_platf_host_link_cbarg_t host_link = SG_PLATF_HOST_LINK_INITIALIZER;
685 memset(&host_link, 0, sizeof(host_link));
686 host_link.id = host_id;
687 host_link.link_up = link_up;
688 host_link.link_down = link_down;
689 sg_platf_new_hostlink(&host_link);
691 XBT_DEBUG("<router id=\"%s\"/>", router_id);
692 s_sg_platf_router_cbarg_t router = SG_PLATF_ROUTER_INITIALIZER;
693 memset(&router, 0, sizeof(router));
694 router.id = router_id;
695 router.coord = peer->coord;
696 sg_platf_new_router(&router);
697 static_cast<AsCluster*>(current_routing)->router_ = static_cast<NetCard*>(xbt_lib_get_or_null(as_router_lib, router.id, ROUTING_ASR_LEVEL));
700 sg_platf_new_AS_end();
703 //xbt_dynar_free(&tab_elements_num);
711 void sg_platf_begin() { /* Do nothing: just for symmetry of user code */ }
713 void sg_platf_end() {
714 simgrid::surf::on_postparse();
717 /* Pick the right models for CPU, net and host, and call their model_init_preparse */
718 static void surf_config_models_setup()
720 const char *host_model_name;
721 const char *vm_model_name;
724 char *network_model_name = NULL;
725 char *cpu_model_name = NULL;
727 char *storage_model_name = NULL;
729 host_model_name = xbt_cfg_get_string(_sg_cfg_set, "host/model");
730 vm_model_name = xbt_cfg_get_string(_sg_cfg_set, "vm/model");
731 network_model_name = xbt_cfg_get_string(_sg_cfg_set, "network/model");
732 cpu_model_name = xbt_cfg_get_string(_sg_cfg_set, "cpu/model");
733 storage_model_name = xbt_cfg_get_string(_sg_cfg_set, "storage/model");
735 /* Check whether we use a net/cpu model differing from the default ones, in which case
736 * we should switch to the "compound" host model to correctly dispatch stuff to
737 * the right net/cpu models.
740 if ((!xbt_cfg_is_default_value(_sg_cfg_set, "network/model") ||
741 !xbt_cfg_is_default_value(_sg_cfg_set, "cpu/model")) &&
742 xbt_cfg_is_default_value(_sg_cfg_set, "host/model")) {
743 host_model_name = "compound";
744 xbt_cfg_set_string(_sg_cfg_set, "host/model", host_model_name);
747 XBT_DEBUG("host model: %s", host_model_name);
748 host_id = find_model_description(surf_host_model_description, host_model_name);
749 if (!strcmp(host_model_name, "compound")) {
753 xbt_assert(cpu_model_name,
754 "Set a cpu model to use with the 'compound' host model");
756 xbt_assert(network_model_name,
757 "Set a network model to use with the 'compound' host model");
759 if(surf_cpu_model_init_preparse){
760 surf_cpu_model_init_preparse();
763 find_model_description(surf_cpu_model_description, cpu_model_name);
764 surf_cpu_model_description[cpu_id].model_init_preparse();
768 find_model_description(surf_network_model_description,
770 surf_network_model_description[network_id].model_init_preparse();
773 XBT_DEBUG("Call host_model_init");
774 surf_host_model_description[host_id].model_init_preparse();
776 XBT_DEBUG("Call vm_model_init");
777 vm_id = find_model_description(surf_vm_model_description, vm_model_name);
778 surf_vm_model_description[vm_id].model_init_preparse();
780 XBT_DEBUG("Call storage_model_init");
781 storage_id = find_model_description(surf_storage_model_description, storage_model_name);
782 surf_storage_model_description[storage_id].model_init_preparse();
787 * \brief Make a new routing component to the platform
789 * Add a new autonomous system to the platform. Any elements (such as host,
790 * router or sub-AS) added after this call and before the corresponding call
791 * to sg_platf_new_AS_close() will be added to this AS.
793 * Once this function was called, the configuration concerning the used
794 * models cannot be changed anymore.
796 * @param AS_id name of this autonomous system. Must be unique in the platform
797 * @param wanted_routing_type one of Full, Floyd, Dijkstra or similar. Full list in the variable routing_models, in src/surf/surf_routing.c
799 void 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(), SURF_NETWORK_ELEMENT_AS, current_routing);
838 if (current_routing == NULL && routing_platf->root_ == NULL) {
839 /* it is the first one */
840 routing_platf->root_ = new_as;
842 } else if (current_routing != NULL && routing_platf->root_ != NULL) {
844 xbt_assert(!xbt_dict_get_or_null(current_routing->children(), AS->id),
845 "The AS \"%s\" already exists", AS->id);
846 /* it is a part of the tree */
847 new_as->father_ = current_routing;
848 /* set the father behavior */
849 if (current_routing->hierarchy_ == simgrid::surf::AsImpl::RoutingMode::unset)
850 current_routing->hierarchy_ = simgrid::surf::AsImpl::RoutingMode::recursive;
851 /* add to the sons dictionary */
852 xbt_dict_set(current_routing->children(), AS->id, (void *) new_as, NULL);
853 /* add to the father element list */
854 netcard->setId(current_routing->addComponent(netcard));
856 THROWF(arg_error, 0, "All defined components must belong to a AS");
859 xbt_lib_set(as_router_lib, netcard->name(), ROUTING_ASR_LEVEL, (void *) netcard);
860 XBT_DEBUG("Having set name '%s' id '%d'", new_as->name(), netcard->id());
862 /* set the new current component of the tree */
863 current_routing = new_as;
864 current_routing->netcard_ = netcard;
866 simgrid::surf::netcardCreatedCallbacks(netcard);
867 simgrid::surf::asCreatedCallbacks(new_as);
868 if (TRACE_is_enabled())
869 sg_instr_AS_begin(AS);
873 * \brief Specify that the current description of AS is finished
875 * Once you've declared all the content of your AS, you have to close
876 * it with this call. Your AS is not usable until you call this function.
878 void sg_platf_new_AS_end()
880 xbt_assert(current_routing, "Cannot seal the current AS: none under construction");
881 current_routing->Seal();
882 current_routing = static_cast<simgrid::surf::AsImpl*>(current_routing->father());
884 if (TRACE_is_enabled())
888 /** @brief Add a link connecting an host to the rest of its AS (which must be cluster or vivaldi) */
889 void sg_platf_new_hostlink(sg_platf_host_link_cbarg_t netcard_arg)
891 simgrid::surf::NetCard *netcard = sg_host_by_name(netcard_arg->id)->pimpl_netcard;
892 xbt_assert(netcard, "Host '%s' not found!", netcard_arg->id);
893 xbt_assert(dynamic_cast<simgrid::surf::AsCluster*>(current_routing) ||
894 dynamic_cast<simgrid::surf::AsVivaldi*>(current_routing),
895 "Only hosts from Cluster and Vivaldi ASes can get a host_link.");
897 s_surf_parsing_link_up_down_t link_up_down;
898 link_up_down.link_up = Link::byName(netcard_arg->link_up);
899 link_up_down.link_down = Link::byName(netcard_arg->link_down);
901 xbt_assert(link_up_down.link_up, "Link '%s' not found!",netcard_arg->link_up);
902 xbt_assert(link_up_down.link_down, "Link '%s' not found!",netcard_arg->link_down);
904 // If dynar is is greater than netcard id and if the host_link is already defined
905 if((int)xbt_dynar_length(current_routing->upDownLinks) > netcard->id() &&
906 xbt_dynar_get_as(current_routing->upDownLinks, netcard->id(), void*))
907 surf_parse_error("Host_link for '%s' is already defined!",netcard_arg->id);
909 XBT_DEBUG("Push Host_link for host '%s' to position %d", netcard->name(), netcard->id());
910 xbt_dynar_set_as(current_routing->upDownLinks, netcard->id(), s_surf_parsing_link_up_down_t, link_up_down);