1 /* Copyright (c) 2006-2014. The SimGrid Team.
2 * All rights reserved. */
4 /* This program is free software; you can redistribute it and/or modify it
5 * under the terms of the license (GNU LGPL) which comes with this package. */
11 #include "xbt/RngStream.h"
12 #include <xbt/functional.hpp>
13 #include <xbt/signal.hpp>
14 #include "src/surf/HostImpl.hpp"
15 #include "surf/surf.h"
17 #include "src/simix/smx_private.h"
19 #include "src/include/simgrid/sg_config.h"
20 #include "src/surf/xml/platf_private.hpp"
22 #include "src/surf/cpu_interface.hpp"
23 #include "src/surf/network_interface.hpp"
24 #include "surf/surf_routing.h" // FIXME: brain dead public header
26 #include "src/kernel/routing/AsImpl.hpp"
27 #include "src/kernel/routing/AsCluster.hpp"
28 #include "src/kernel/routing/AsClusterTorus.hpp"
29 #include "src/kernel/routing/AsClusterFatTree.hpp"
30 #include "src/kernel/routing/AsClusterDragonfly.hpp"
31 #include "src/kernel/routing/AsDijkstra.hpp"
32 #include "src/kernel/routing/AsFloyd.hpp"
33 #include "src/kernel/routing/AsFull.hpp"
34 #include "src/kernel/routing/AsNone.hpp"
35 #include "src/kernel/routing/AsVivaldi.hpp"
37 XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(surf_parse);
39 XBT_PRIVATE xbt_dynar_t mount_list = nullptr;
44 simgrid::xbt::signal<void(sg_platf_link_cbarg_t)> on_link;
45 simgrid::xbt::signal<void(sg_platf_cluster_cbarg_t)> on_cluster;
46 simgrid::xbt::signal<void(void)> on_postparse;
51 static int surf_parse_models_setup_already_called = 0;
53 /* Turn something like "1-4,6,9-11" into the vector {1,2,3,4,6,9,10,11} */
54 static std::vector<int> *explodesRadical(const char*radicals){
55 std::vector<int> *exploded = new std::vector<int>();
60 xbt_dynar_t radical_elements = xbt_str_split(radicals, ",");
61 xbt_dynar_foreach(radical_elements, iter, groups) {
63 xbt_dynar_t radical_ends = xbt_str_split(groups, "-");
64 int start = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 0, char *));
67 switch (xbt_dynar_length(radical_ends)) {
72 end = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 1, char *));
75 surf_parse_error("Malformed radical: %s", groups);
79 for (int i = start; i <= end; i++)
80 exploded->push_back( i );
82 xbt_dynar_free(&radical_ends);
84 xbt_dynar_free(&radical_elements);
90 /** The current AS in the parsing */
91 static simgrid::kernel::routing::AsImpl *current_routing = nullptr;
92 static simgrid::kernel::routing::AsImpl* routing_get_current()
94 return current_routing;
97 /** Module management function: creates all internal data structures */
98 void sg_platf_init() {
101 /** Module management function: frees all internal data structures */
102 void sg_platf_exit() {
103 simgrid::surf::on_link.disconnect_all_slots();
104 simgrid::surf::on_cluster.disconnect_all_slots();
105 simgrid::surf::on_postparse.disconnect_all_slots();
107 /* make sure that we will reinit the models while loading the platf once reinited */
108 surf_parse_models_setup_already_called = 0;
109 surf_parse_lex_destroy();
112 /** @brief Add an "host" to the current AS */
113 void sg_platf_new_host(sg_platf_host_cbarg_t host)
115 xbt_assert(sg_host_by_name(host->id) == nullptr, "Refusing to create a second host named '%s'.", host->id);
117 simgrid::kernel::routing::AsImpl* current_routing = routing_get_current();
118 if (current_routing->hierarchy_ == simgrid::kernel::routing::AsImpl::RoutingMode::unset)
119 current_routing->hierarchy_ = simgrid::kernel::routing::AsImpl::RoutingMode::base;
121 simgrid::kernel::routing::NetCard *netcard =
122 new simgrid::kernel::routing::NetCardImpl(host->id, simgrid::kernel::routing::NetCard::Type::Host, current_routing);
124 sg_host_t h = simgrid::s4u::Host::by_name_or_create(host->id);
125 h->pimpl_netcard = netcard;
128 xbt_lib_set(storage_lib, host->id, ROUTING_STORAGE_HOST_LEVEL, (void *) mount_list);
129 mount_list = nullptr;
132 if (host->coord && strcmp(host->coord, "")) {
136 xbt_assert(COORD_HOST_LEVEL, "To use host coordinates, please add --cfg=network/coordinates:yes to your command line");
137 /* Pre-parse the host coordinates -- FIXME factorize with routers by overloading the routing->parse_PU function*/
138 xbt_dynar_t ctn_str = xbt_str_split_str(host->coord, " ");
139 xbt_assert(xbt_dynar_length(ctn_str)==3,"Coordinates of %s must have 3 dimensions", host->id);
141 xbt_dynar_t ctn = xbt_dynar_new(sizeof(double),nullptr);
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_free(&ctn_str);
147 xbt_dynar_shrink(ctn, 0);
148 h->extension_set(COORD_HOST_LEVEL, (void *) ctn);
151 simgrid::surf::Cpu *cpu = surf_cpu_model_pm->createCpu( h, host->speed_per_pstate, host->core_amount);
152 if (host->state_trace)
153 cpu->setStateTrace(host->state_trace);
154 if (host->speed_trace)
155 cpu->setSpeedTrace(host->speed_trace);
156 surf_host_model->createHost(host->id, netcard, cpu)->attach(h);
158 if (host->properties) {
159 xbt_dict_cursor_t cursor=nullptr;
161 xbt_dict_foreach(host->properties,cursor,key,data)
162 h->setProperty(key,data);
163 xbt_dict_free(&host->properties);
166 if (host->pstate != 0)
167 cpu->setPState(host->pstate);
169 simgrid::s4u::Host::onCreation(*h);
171 if (TRACE_is_enabled() && TRACE_needs_platform())
172 sg_instr_new_host(host);
175 /** @brief Add a "router" to the network element list */
176 void sg_platf_new_router(sg_platf_router_cbarg_t router)
178 using simgrid::kernel::routing::AsCluster;
179 simgrid::kernel::routing::AsImpl* current_routing = routing_get_current();
181 if (current_routing->hierarchy_ == simgrid::kernel::routing::AsImpl::RoutingMode::unset)
182 current_routing->hierarchy_ = simgrid::kernel::routing::AsImpl::RoutingMode::base;
183 xbt_assert(nullptr == xbt_lib_get_or_null(as_router_lib, router->id, ROUTING_ASR_LEVEL),
184 "Refusing to create a router named '%s': this name already describes a node.", router->id);
186 simgrid::kernel::routing::NetCard* netcard =
187 new simgrid::kernel::routing::NetCardImpl(router->id, simgrid::kernel::routing::NetCard::Type::Router, current_routing);
188 xbt_lib_set(as_router_lib, router->id, ROUTING_ASR_LEVEL, netcard);
189 XBT_DEBUG("Router '%s' has the id %d", router->id, netcard->id());
191 if (router->coord && strcmp(router->coord, "")) {
195 xbt_assert(COORD_ASR_LEVEL, "To use host coordinates, please add --cfg=network/coordinates:yes to your command line");
196 /* Pre-parse the host coordinates */
197 xbt_dynar_t ctn_str = xbt_str_split_str(router->coord, " ");
198 xbt_assert(xbt_dynar_length(ctn_str)==3,"Coordinates of %s must have 3 dimensions", router->id);
199 xbt_dynar_t ctn = xbt_dynar_new(sizeof(double),nullptr);
200 xbt_dynar_foreach(ctn_str,cursor, str) {
201 double val = xbt_str_parse_double(str, "Invalid coordinate: %s");
202 xbt_dynar_push(ctn,&val);
204 xbt_dynar_free(&ctn_str);
205 xbt_dynar_shrink(ctn, 0);
206 xbt_lib_set(as_router_lib, router->id, COORD_ASR_LEVEL, (void *) ctn);
209 auto cluster = dynamic_cast<AsCluster*>(current_routing);
210 if(cluster != nullptr)
211 cluster->router_ = static_cast<simgrid::kernel::routing::NetCard*>(xbt_lib_get_or_null(as_router_lib, router->id, ROUTING_ASR_LEVEL));
213 if (TRACE_is_enabled() && TRACE_needs_platform())
214 sg_instr_new_router(router);
217 void sg_platf_new_link(sg_platf_link_cbarg_t link){
218 std::vector<char*> names;
220 if (link->policy == SURF_LINK_FULLDUPLEX) {
221 names.push_back(bprintf("%s_UP", link->id));
222 names.push_back(bprintf("%s_DOWN", link->id));
224 names.push_back(xbt_strdup(link->id));
226 for (auto link_name : names) {
227 Link *l = surf_network_model->createLink(link_name, link->bandwidth, link->latency, link->policy, link->properties);
229 if (link->latency_trace)
230 l->setLatencyTrace(link->latency_trace);
231 if (link->bandwidth_trace)
232 l->setBandwidthTrace(link->bandwidth_trace);
233 if (link->state_trace)
234 l->setStateTrace(link->state_trace);
239 simgrid::surf::on_link(link);
242 void sg_platf_new_cluster(sg_platf_cluster_cbarg_t cluster)
244 using simgrid::kernel::routing::AsCluster;
245 using simgrid::kernel::routing::AsClusterDragonfly;
246 using simgrid::kernel::routing::AsClusterFatTree;
247 using simgrid::kernel::routing::AsClusterTorus;
251 s_sg_platf_link_cbarg_t link;
253 // What an inventive way of initializing the AS that I have as ancestor :-(
254 s_sg_platf_AS_cbarg_t AS;
256 switch (cluster->topology) {
257 case SURF_CLUSTER_TORUS:
258 AS.routing = A_surfxml_AS_routing_ClusterTorus;
260 case SURF_CLUSTER_DRAGONFLY:
261 AS.routing = A_surfxml_AS_routing_ClusterDragonfly;
263 case SURF_CLUSTER_FAT_TREE:
264 AS.routing = A_surfxml_AS_routing_ClusterFatTree;
267 AS.routing = A_surfxml_AS_routing_Cluster;
270 sg_platf_new_AS_begin(&AS);
271 simgrid::kernel::routing::AsCluster *current_as = static_cast<AsCluster*>(routing_get_current());
272 current_as->parse_specific_arguments(cluster);
274 if(cluster->loopback_bw!=0 || cluster->loopback_lat!=0){
275 current_as->linkCountPerNode_++;
276 current_as->hasLoopback_ = 1;
279 if(cluster->limiter_link!=0){
280 current_as->linkCountPerNode_++;
281 current_as->hasLimiter_ = 1;
284 std::vector<int> *radicals = explodesRadical(cluster->radical);
285 for (int i : *radicals) {
286 char * host_id = bprintf("%s%d%s", cluster->prefix, i, cluster->suffix);
287 char * link_id = bprintf("%s_link_%d", cluster->id, i);
289 XBT_DEBUG("<host\tid=\"%s\"\tpower=\"%f\">", host_id, cluster->speed);
291 s_sg_platf_host_cbarg_t host;
292 memset(&host, 0, sizeof(host));
294 if ((cluster->properties != nullptr) && (!xbt_dict_is_empty(cluster->properties))) {
295 xbt_dict_cursor_t cursor=nullptr;
297 host.properties = xbt_dict_new();
299 xbt_dict_foreach(cluster->properties,cursor,key,data) {
300 xbt_dict_set(host.properties, key, xbt_strdup(data),free);
304 host.speed_per_pstate = new std::vector<double>();
305 host.speed_per_pstate->push_back(cluster->speed);
307 host.core_amount = cluster->core_amount;
309 sg_platf_new_host(&host);
310 // delete host.speed_per_pstate;
311 XBT_DEBUG("</host>");
313 XBT_DEBUG("<link\tid=\"%s\"\tbw=\"%f\"\tlat=\"%f\"/>", link_id, cluster->bw, cluster->lat);
315 s_surf_parsing_link_up_down_t info_lim, info_loop;
316 // All links are saved in a matrix;
317 // every row describes a single node; every node may have multiple links.
318 // the first column may store a link from x to x if p_has_loopback is set
319 // the second column may store a limiter link if p_has_limiter is set
320 // other columns are to store one or more link for the node
322 //add a loopback link
323 if(cluster->loopback_bw!=0 || cluster->loopback_lat!=0){
324 char *tmp_link = bprintf("%s_loopback", link_id);
325 XBT_DEBUG("<loopback\tid=\"%s\"\tbw=\"%f\"/>", tmp_link, cluster->loopback_bw);
327 memset(&link, 0, sizeof(link));
329 link.bandwidth = cluster->loopback_bw;
330 link.latency = cluster->loopback_lat;
331 link.policy = SURF_LINK_FATPIPE;
332 sg_platf_new_link(&link);
333 info_loop.linkUp = info_loop.linkDown = Link::byName(tmp_link);
335 auto as_cluster = static_cast<AsCluster*>(current_as);
336 xbt_dynar_set(as_cluster->privateLinks_, rankId*as_cluster->linkCountPerNode_, &info_loop);
339 //add a limiter link (shared link to account for maximal bandwidth of the node)
340 if(cluster->limiter_link!=0){
341 char *tmp_link = bprintf("%s_limiter", link_id);
342 XBT_DEBUG("<limiter\tid=\"%s\"\tbw=\"%f\"/>", tmp_link, cluster->limiter_link);
344 memset(&link, 0, sizeof(link));
346 link.bandwidth = cluster->limiter_link;
348 link.policy = SURF_LINK_SHARED;
349 sg_platf_new_link(&link);
350 info_lim.linkUp = info_lim.linkDown = Link::byName(tmp_link);
352 xbt_dynar_set(current_as->privateLinks_, rankId * current_as->linkCountPerNode_ + current_as->hasLoopback_ , &info_lim);
355 //call the cluster function that adds the others links
356 if (cluster->topology == SURF_CLUSTER_FAT_TREE) {
357 ((AsClusterFatTree*) current_as)->addProcessingNode(i);
360 current_as->create_links_for_node(cluster, i, rankId,
361 rankId*current_as->linkCountPerNode_ + current_as->hasLoopback_ + current_as->hasLimiter_ );
369 // Add a router. It is magically used thanks to the way in which surf_routing_cluster is written,
370 // and it's very useful to connect clusters together
372 XBT_DEBUG("<router id=\"%s\"/>", cluster->router_id);
373 char *newid = nullptr;
374 s_sg_platf_router_cbarg_t router;
375 memset(&router, 0, sizeof(router));
376 router.id = cluster->router_id;
377 if (!router.id || !strcmp(router.id, ""))
378 router.id = newid = bprintf("%s%s_router%s", cluster->prefix, cluster->id, cluster->suffix);
379 sg_platf_new_router(&router);
380 current_as->router_ = (simgrid::kernel::routing::NetCard*) xbt_lib_get_or_null(as_router_lib, router.id, ROUTING_ASR_LEVEL);
384 if ((cluster->bb_bw != 0) || (cluster->bb_lat != 0)) {
386 memset(&link, 0, sizeof(link));
387 link.id = bprintf("%s_backbone", cluster->id);
388 link.bandwidth = cluster->bb_bw;
389 link.latency = cluster->bb_lat;
390 link.policy = cluster->bb_sharing_policy;
392 XBT_DEBUG("<link\tid=\"%s\" bw=\"%f\" lat=\"%f\"/>", link.id, cluster->bb_bw, cluster->bb_lat);
393 sg_platf_new_link(&link);
395 routing_cluster_add_backbone(Link::byName(link.id));
396 free((char*)link.id);
400 sg_platf_new_AS_seal();
402 simgrid::surf::on_cluster(cluster);
404 void routing_cluster_add_backbone(simgrid::surf::Link* bb) {
405 simgrid::kernel::routing::AsCluster *cluster = dynamic_cast<simgrid::kernel::routing::AsCluster*>(current_routing);
407 xbt_assert(cluster, "Only hosts from Cluster can get a backbone.");
408 xbt_assert(nullptr == cluster->backbone_, "Cluster %s already has a backbone link!", cluster->name());
410 cluster->backbone_ = bb;
411 XBT_DEBUG("Add a backbone to AS '%s'", current_routing->name());
414 void sg_platf_new_cabinet(sg_platf_cabinet_cbarg_t cabinet)
416 std::vector<int> *radicals = explodesRadical(cabinet->radical);
418 for (int radical : *radicals) {
419 char *hostname = bprintf("%s%d%s", cabinet->prefix, radical, cabinet->suffix);
420 s_sg_platf_host_cbarg_t host;
421 memset(&host, 0, sizeof(host));
423 host.core_amount = 1;
425 host.speed_per_pstate = new std::vector<double>();
426 host.speed_per_pstate->push_back(cabinet->speed);
427 sg_platf_new_host(&host);
428 delete host.speed_per_pstate;
430 s_sg_platf_link_cbarg_t link;
431 memset(&link, 0, sizeof(link));
432 link.policy = SURF_LINK_FULLDUPLEX;
433 link.latency = cabinet->lat;
434 link.bandwidth = cabinet->bw;
435 link.id = bprintf("link_%s",hostname);
436 sg_platf_new_link(&link);
437 free((char*)link.id);
439 s_sg_platf_host_link_cbarg_t host_link;
440 memset(&host_link, 0, sizeof(host_link));
441 host_link.id = hostname;
442 host_link.link_up = bprintf("link_%s_UP",hostname);
443 host_link.link_down = bprintf("link_%s_DOWN",hostname);
444 sg_platf_new_hostlink(&host_link);
445 free((char*)host_link.link_up);
446 free((char*)host_link.link_down);
453 void sg_platf_new_storage(sg_platf_storage_cbarg_t storage)
455 xbt_assert(!xbt_lib_get_or_null(storage_lib, storage->id,ROUTING_STORAGE_LEVEL),
456 "Refusing to add a second storage named \"%s\"", storage->id);
458 void* stype = xbt_lib_get_or_null(storage_type_lib, storage->type_id,ROUTING_STORAGE_TYPE_LEVEL);
459 xbt_assert(stype,"No storage type '%s'", storage->type_id);
461 XBT_DEBUG("ROUTING Create a storage name '%s' with type_id '%s' and content '%s'",
466 xbt_lib_set(storage_lib, storage->id, ROUTING_STORAGE_LEVEL, (void *) xbt_strdup(storage->type_id));
468 // if storage content is not specified use the content of storage_type if any
469 if(!strcmp(storage->content,"") && strcmp(((storage_type_t) stype)->content,"")){
470 storage->content = ((storage_type_t) stype)->content;
471 storage->content_type = ((storage_type_t) stype)->content_type;
472 XBT_DEBUG("For disk '%s' content is empty, inherit the content (of type %s) from storage type '%s' ",
473 storage->id,((storage_type_t) stype)->content_type,
474 ((storage_type_t) stype)->type_id);
477 XBT_DEBUG("SURF storage create resource\n\t\tid '%s'\n\t\ttype '%s' "
478 "\n\t\tmodel '%s' \n\t\tcontent '%s'\n\t\tcontent_type '%s' "
479 "\n\t\tproperties '%p''\n",
481 ((storage_type_t) stype)->model,
482 ((storage_type_t) stype)->type_id,
484 storage->content_type,
485 storage->properties);
487 surf_storage_model->createStorage(storage->id,
488 ((storage_type_t) stype)->type_id,
490 storage->content_type,
494 void sg_platf_new_storage_type(sg_platf_storage_type_cbarg_t storage_type){
496 xbt_assert(!xbt_lib_get_or_null(storage_type_lib, storage_type->id,ROUTING_STORAGE_TYPE_LEVEL),
497 "Reading a storage type, processing unit \"%s\" already exists", storage_type->id);
499 storage_type_t stype = xbt_new0(s_storage_type_t, 1);
500 stype->model = xbt_strdup(storage_type->model);
501 stype->properties = storage_type->properties;
502 stype->content = xbt_strdup(storage_type->content);
503 stype->content_type = xbt_strdup(storage_type->content_type);
504 stype->type_id = xbt_strdup(storage_type->id);
505 stype->size = storage_type->size;
506 stype->model_properties = storage_type->model_properties;
508 XBT_DEBUG("ROUTING Create a storage type id '%s' with model '%s', "
509 "content '%s', and content_type '%s'",
512 storage_type->content,
513 storage_type->content_type);
515 xbt_lib_set(storage_type_lib,
517 ROUTING_STORAGE_TYPE_LEVEL,
521 static void mount_free(void *p)
523 mount_t mnt = (mount_t) p;
527 void sg_platf_new_mount(sg_platf_mount_cbarg_t mount){
528 xbt_assert(xbt_lib_get_or_null(storage_lib, mount->storageId, ROUTING_STORAGE_LEVEL),
529 "Cannot mount non-existent disk \"%s\"", mount->storageId);
531 XBT_DEBUG("ROUTING Mount '%s' on '%s'",mount->storageId, mount->name);
534 mnt.storage = surf_storage_resource_priv(surf_storage_resource_by_name(mount->storageId));
535 mnt.name = xbt_strdup(mount->name);
538 XBT_DEBUG("Create a Mount list for %s",A_surfxml_host_id);
539 mount_list = xbt_dynar_new(sizeof(s_mount_t), mount_free);
541 xbt_dynar_push(mount_list, &mnt);
544 void sg_platf_new_route(sg_platf_route_cbarg_t route)
546 routing_get_current()->addRoute(route);
549 void sg_platf_new_bypassRoute(sg_platf_route_cbarg_t bypassRoute)
551 routing_get_current()->addBypassRoute(bypassRoute);
554 void sg_platf_new_process(sg_platf_process_cbarg_t process)
556 sg_host_t host = sg_host_by_name(process->host);
558 // The requested host does not exist. Do a nice message to the user
559 char *tmp = bprintf("Cannot create process '%s': host '%s' does not exist\nExisting hosts: '",process->function, process->host);
560 xbt_strbuff_t msg = xbt_strbuff_new_from(tmp);
562 xbt_dynar_t all_hosts = xbt_dynar_sort_strings(sg_hosts_as_dynar());
563 simgrid::s4u::Host* host;
565 xbt_dynar_foreach(all_hosts,cursor, host) {
566 xbt_strbuff_append(msg,host->name().c_str());
567 xbt_strbuff_append(msg,"', '");
568 if (msg->used > 1024) {
569 msg->data[msg->used-3]='\0';
572 xbt_strbuff_append(msg," ...(list truncated)......");// That will be shortened by 3 chars when existing the loop
575 msg->data[msg->used-3]='\0';
576 xbt_die("%s", msg->data);
578 simgrid::simix::ActorCodeFactory& factory = SIMIX_get_actor_code_factory(process->function);
579 xbt_assert(factory, "Function '%s' unknown", process->function);
581 double start_time = process->start_time;
582 double kill_time = process->kill_time;
583 int auto_restart = process->on_failure == SURF_PROCESS_ON_FAILURE_DIE ? 0 : 1;
585 std::vector<std::string> args(process->argv, process->argv + process->argc);
586 std::function<void()> code = factory(std::move(args));
588 smx_process_arg_t arg = nullptr;
589 smx_process_t process_created = nullptr;
591 arg = new simgrid::simix::ProcessArg();
592 arg->name = std::string(process->argv[0]);
595 arg->hostname = sg_host_get_name(host);
596 arg->kill_time = kill_time;
597 arg->properties = current_property_set;
598 if (!sg_host_simix(host)->boot_processes)
599 sg_host_simix(host)->boot_processes = xbt_dynar_new(sizeof(smx_process_arg_t), _SIMIX_host_free_process_arg);
601 xbt_dynar_push_as(sg_host_simix(host)->boot_processes,smx_process_arg_t,arg);
603 if (start_time > SIMIX_get_clock()) {
605 arg = new simgrid::simix::ProcessArg();
606 arg->name = std::string(process->argv[0]);
607 arg->code = std::move(code);
609 arg->hostname = sg_host_get_name(host);
610 arg->kill_time = kill_time;
611 arg->properties = current_property_set;
613 XBT_DEBUG("Process %s(%s) will be started at time %f",
614 arg->name.c_str(), arg->hostname, start_time);
615 SIMIX_timer_set(start_time, [=]() {
616 simix_global->create_process_function(
618 std::move(arg->code),
627 } else { // start_time <= SIMIX_get_clock()
628 XBT_DEBUG("Starting Process %s(%s) right now",
629 arg->name.c_str(), sg_host_get_name(host));
631 if (simix_global->create_process_function)
632 process_created = simix_global->create_process_function(
633 arg->name.c_str(), std::move(code), nullptr,
634 sg_host_get_name(host), kill_time,
635 current_property_set, auto_restart, nullptr);
637 process_created = simcall_process_create(
638 arg->name.c_str(), std::move(code), nullptr, sg_host_get_name(host), kill_time,
639 current_property_set,auto_restart);
641 /* verify if process has been created (won't be the case if the host is currently dead, but that's fine) */
642 if (!process_created) {
646 current_property_set = nullptr;
649 void sg_platf_new_peer(sg_platf_peer_cbarg_t peer)
651 using simgrid::kernel::routing::NetCard;
652 using simgrid::kernel::routing::AsCluster;
654 char *host_id = bprintf("peer_%s", peer->id);
655 char *router_id = bprintf("router_%s", peer->id);
659 XBT_DEBUG("<AS id=\"%s\"\trouting=\"Cluster\">", peer->id);
660 s_sg_platf_AS_cbarg_t AS;
662 AS.routing = A_surfxml_AS_routing_Cluster;
663 sg_platf_new_AS_begin(&AS);
665 XBT_DEBUG("<host\tid=\"%s\"\tpower=\"%f\"/>", host_id, peer->speed);
666 s_sg_platf_host_cbarg_t host;
667 memset(&host, 0, sizeof(host));
670 host.speed_per_pstate = new std::vector<double>();
671 host.speed_per_pstate->push_back(peer->speed);
673 host.speed_trace = peer->availability_trace;
674 host.state_trace = peer->state_trace;
675 host.core_amount = 1;
676 sg_platf_new_host(&host);
677 delete host.speed_per_pstate;
679 s_sg_platf_link_cbarg_t link;
680 memset(&link, 0, sizeof(link));
681 link.policy = SURF_LINK_SHARED;
682 link.latency = peer->lat;
684 char* link_up = bprintf("link_%s_UP",peer->id);
685 XBT_DEBUG("<link\tid=\"%s\"\tbw=\"%f\"\tlat=\"%f\"/>", link_up, peer->bw_out, peer->lat);
687 link.bandwidth = peer->bw_out;
688 sg_platf_new_link(&link);
690 char* link_down = bprintf("link_%s_DOWN",peer->id);
691 XBT_DEBUG("<link\tid=\"%s\"\tbw=\"%f\"\tlat=\"%f\"/>", link_down, peer->bw_in, peer->lat);
693 link.bandwidth = peer->bw_in;
694 sg_platf_new_link(&link);
696 XBT_DEBUG("<host_link\tid=\"%s\"\tup=\"%s\"\tdown=\"%s\" />", host_id,link_up,link_down);
697 s_sg_platf_host_link_cbarg_t host_link;
698 memset(&host_link, 0, sizeof(host_link));
699 host_link.id = host_id;
700 host_link.link_up = link_up;
701 host_link.link_down = link_down;
702 sg_platf_new_hostlink(&host_link);
706 XBT_DEBUG("<router id=\"%s\"/>", router_id);
707 s_sg_platf_router_cbarg_t router;
708 memset(&router, 0, sizeof(router));
709 router.id = router_id;
710 router.coord = peer->coord;
711 sg_platf_new_router(&router);
714 sg_platf_new_AS_seal();
721 void sg_platf_begin() { /* Do nothing: just for symmetry of user code */ }
723 void sg_platf_end() {
724 simgrid::surf::on_postparse();
727 /* Pick the right models for CPU, net and host, and call their model_init_preparse */
728 static void surf_config_models_setup()
730 const char *host_model_name;
731 const char *vm_model_name;
734 char *network_model_name = nullptr;
735 char *cpu_model_name = nullptr;
737 char *storage_model_name = nullptr;
739 host_model_name = xbt_cfg_get_string("host/model");
740 vm_model_name = xbt_cfg_get_string("vm/model");
741 network_model_name = xbt_cfg_get_string("network/model");
742 cpu_model_name = xbt_cfg_get_string("cpu/model");
743 storage_model_name = xbt_cfg_get_string("storage/model");
745 /* Check whether we use a net/cpu model differing from the default ones, in which case
746 * we should switch to the "compound" host model to correctly dispatch stuff to
747 * the right net/cpu models.
750 if ((!xbt_cfg_is_default_value("network/model") ||
751 !xbt_cfg_is_default_value("cpu/model")) &&
752 xbt_cfg_is_default_value("host/model")) {
753 host_model_name = "compound";
754 xbt_cfg_set_string("host/model", host_model_name);
757 XBT_DEBUG("host model: %s", host_model_name);
758 host_id = find_model_description(surf_host_model_description, host_model_name);
759 if (!strcmp(host_model_name, "compound")) {
763 xbt_assert(cpu_model_name,
764 "Set a cpu model to use with the 'compound' host model");
766 xbt_assert(network_model_name,
767 "Set a network model to use with the 'compound' host model");
769 if(surf_cpu_model_init_preparse){
770 surf_cpu_model_init_preparse();
773 find_model_description(surf_cpu_model_description, cpu_model_name);
774 surf_cpu_model_description[cpu_id].model_init_preparse();
778 find_model_description(surf_network_model_description,
780 surf_network_model_description[network_id].model_init_preparse();
783 XBT_DEBUG("Call host_model_init");
784 surf_host_model_description[host_id].model_init_preparse();
786 XBT_DEBUG("Call vm_model_init");
787 vm_id = find_model_description(surf_vm_model_description, vm_model_name);
788 surf_vm_model_description[vm_id].model_init_preparse();
790 XBT_DEBUG("Call storage_model_init");
791 storage_id = find_model_description(surf_storage_model_description, storage_model_name);
792 surf_storage_model_description[storage_id].model_init_preparse();
797 * \brief Make a new routing component to the platform
799 * Add a new autonomous system to the platform. Any elements (such as host,
800 * router or sub-AS) added after this call and before the corresponding call
801 * to sg_platf_new_AS_seal() will be added to this AS.
803 * Once this function was called, the configuration concerning the used
804 * models cannot be changed anymore.
806 * @param AS the parameters defining the AS to build.
808 simgrid::s4u::As * sg_platf_new_AS_begin(sg_platf_AS_cbarg_t AS)
810 if (!surf_parse_models_setup_already_called) {
811 /* Initialize the surf models. That must be done after we got all config, and before we need the models.
812 * That is, after the last <config> tag, if any, and before the first of cluster|peer|AS|trace|trace_connect
814 * I'm not sure for <trace> and <trace_connect>, there may be a bug here
815 * (FIXME: check it out by creating a file beginning with one of these tags)
816 * but cluster and peer create ASes internally, so putting the code in there is ok.
818 surf_parse_models_setup_already_called = 1;
819 surf_config_models_setup();
822 xbt_assert(nullptr == xbt_lib_get_or_null(as_router_lib, AS->id, ROUTING_ASR_LEVEL),
823 "Refusing to create a second AS called \"%s\".", AS->id);
825 _sg_cfg_init_status = 2; /* HACK: direct access to the global controlling the level of configuration to prevent
826 * any further config now that we created some real content */
829 /* search the routing model */
830 simgrid::kernel::routing::AsImpl *new_as = nullptr;
832 case A_surfxml_AS_routing_Cluster: new_as = new simgrid::kernel::routing::AsCluster(AS->id); break;
833 case A_surfxml_AS_routing_ClusterDragonfly: new_as = new simgrid::kernel::routing::AsClusterDragonfly(AS->id); break;
834 case A_surfxml_AS_routing_ClusterTorus: new_as = new simgrid::kernel::routing::AsClusterTorus(AS->id); break;
835 case A_surfxml_AS_routing_ClusterFatTree: new_as = new simgrid::kernel::routing::AsClusterFatTree(AS->id); break;
836 case A_surfxml_AS_routing_Dijkstra: new_as = new simgrid::kernel::routing::AsDijkstra(AS->id, 0); break;
837 case A_surfxml_AS_routing_DijkstraCache: new_as = new simgrid::kernel::routing::AsDijkstra(AS->id, 1); break;
838 case A_surfxml_AS_routing_Floyd: new_as = new simgrid::kernel::routing::AsFloyd(AS->id); break;
839 case A_surfxml_AS_routing_Full: new_as = new simgrid::kernel::routing::AsFull(AS->id); break;
840 case A_surfxml_AS_routing_None: new_as = new simgrid::kernel::routing::AsNone(AS->id); break;
841 case A_surfxml_AS_routing_Vivaldi: new_as = new simgrid::kernel::routing::AsVivaldi(AS->id); break;
842 default: xbt_die("Not a valid model!"); break;
845 /* make a new routing component */
846 simgrid::kernel::routing::NetCard *netcard = new simgrid::kernel::routing::NetCardImpl(new_as->name(), simgrid::kernel::routing::NetCard::Type::As, current_routing);
848 if (current_routing == nullptr && routing_platf->root_ == nullptr) { /* it is the first one */
849 routing_platf->root_ = new_as;
850 } else if (current_routing != nullptr && routing_platf->root_ != nullptr) {
852 xbt_assert(!xbt_dict_get_or_null(current_routing->children(), AS->id),
853 "The AS \"%s\" already exists", AS->id);
854 /* it is a part of the tree */
855 new_as->father_ = current_routing;
856 /* set the father behavior */
857 if (current_routing->hierarchy_ == simgrid::kernel::routing::AsImpl::RoutingMode::unset)
858 current_routing->hierarchy_ = simgrid::kernel::routing::AsImpl::RoutingMode::recursive;
859 /* add to the sons dictionary */
860 xbt_dict_set(current_routing->children(), AS->id, (void *) new_as, nullptr);
862 THROWF(arg_error, 0, "All defined components must belong to a AS");
865 xbt_lib_set(as_router_lib, netcard->name(), ROUTING_ASR_LEVEL, (void *) netcard);
866 XBT_DEBUG("Having set name '%s' id '%d'", new_as->name(), netcard->id());
868 /* set the new current component of the tree */
869 current_routing = new_as;
870 current_routing->netcard_ = netcard;
872 simgrid::kernel::routing::asCreatedCallbacks(new_as);
873 if (TRACE_is_enabled())
874 sg_instr_AS_begin(AS);
880 * \brief Specify that the description of the current AS is finished
882 * Once you've declared all the content of your AS, you have to seal
883 * it with this call. Your AS is not usable until you call this function.
885 void sg_platf_new_AS_seal()
887 xbt_assert(current_routing, "Cannot seal the current AS: none under construction");
888 current_routing->seal();
889 current_routing = static_cast<simgrid::kernel::routing::AsImpl*>(current_routing->father());
891 if (TRACE_is_enabled())
895 /** @brief Add a link connecting an host to the rest of its AS (which must be cluster or vivaldi) */
896 void sg_platf_new_hostlink(sg_platf_host_link_cbarg_t hostlink)
898 simgrid::kernel::routing::NetCard *netcard = sg_host_by_name(hostlink->id)->pimpl_netcard;
899 xbt_assert(netcard, "Host '%s' not found!", hostlink->id);
900 xbt_assert(dynamic_cast<simgrid::kernel::routing::AsCluster*>(current_routing),
901 "Only hosts from Cluster and Vivaldi ASes can get an host_link.");
903 s_surf_parsing_link_up_down_t link_up_down;
904 link_up_down.linkUp = Link::byName(hostlink->link_up);
905 link_up_down.linkDown = Link::byName(hostlink->link_down);
907 xbt_assert(link_up_down.linkUp, "Link '%s' not found!",hostlink->link_up);
908 xbt_assert(link_up_down.linkDown, "Link '%s' not found!",hostlink->link_down);
910 // If dynar is is greater than netcard id and if the host_link is already defined
911 auto as_cluster = static_cast<simgrid::kernel::routing::AsCluster*>(current_routing);
912 if((int)xbt_dynar_length(as_cluster->privateLinks_) > netcard->id() &&
913 xbt_dynar_get_as(as_cluster->privateLinks_, netcard->id(), void*))
914 surf_parse_error("Host_link for '%s' is already defined!",hostlink->id);
916 XBT_DEBUG("Push Host_link for host '%s' to position %d", netcard->name(), netcard->id());
917 xbt_dynar_set_as(as_cluster->privateLinks_, netcard->id(), s_surf_parsing_link_up_down_t, link_up_down);