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.push_back(cluster->speed);
306 host.core_amount = cluster->core_amount;
308 sg_platf_new_host(&host);
309 XBT_DEBUG("</host>");
311 XBT_DEBUG("<link\tid=\"%s\"\tbw=\"%f\"\tlat=\"%f\"/>", link_id, cluster->bw, cluster->lat);
313 s_surf_parsing_link_up_down_t info_lim;
314 s_surf_parsing_link_up_down_t info_loop;
315 // All links are saved in a matrix;
316 // every row describes a single node; every node may have multiple links.
317 // the first column may store a link from x to x if p_has_loopback is set
318 // the second column may store a limiter link if p_has_limiter is set
319 // other columns are to store one or more link for the node
321 //add a loopback link
322 if(cluster->loopback_bw!=0 || cluster->loopback_lat!=0){
323 char *tmp_link = bprintf("%s_loopback", link_id);
324 XBT_DEBUG("<loopback\tid=\"%s\"\tbw=\"%f\"/>", tmp_link, cluster->loopback_bw);
326 memset(&link, 0, sizeof(link));
328 link.bandwidth = cluster->loopback_bw;
329 link.latency = cluster->loopback_lat;
330 link.policy = SURF_LINK_FATPIPE;
331 sg_platf_new_link(&link);
332 info_loop.linkUp = Link::byName(tmp_link);
333 info_loop.linkDown = Link::byName(tmp_link);
336 auto as_cluster = static_cast<AsCluster*>(current_as);
337 if (rankId*as_cluster->linkCountPerNode_ >= as_cluster->privateLinks_.size())
338 as_cluster->privateLinks_.resize(rankId*as_cluster->linkCountPerNode_,{nullptr, nullptr});
339 as_cluster->privateLinks_.insert(as_cluster->privateLinks_.begin() + rankId*as_cluster->linkCountPerNode_,
343 //add a limiter link (shared link to account for maximal bandwidth of the node)
344 if(cluster->limiter_link!=0){
345 char *tmp_link = bprintf("%s_limiter", link_id);
346 XBT_DEBUG("<limiter\tid=\"%s\"\tbw=\"%f\"/>", tmp_link, cluster->limiter_link);
348 memset(&link, 0, sizeof(link));
350 link.bandwidth = cluster->limiter_link;
352 link.policy = SURF_LINK_SHARED;
353 sg_platf_new_link(&link);
354 info_lim.linkUp = info_lim.linkDown = Link::byName(tmp_link);
356 current_as->privateLinks_.insert(current_as->privateLinks_.begin() + rankId * current_as->linkCountPerNode_ +
357 current_as->hasLoopback_ , info_lim);
360 //call the cluster function that adds the others links
361 if (cluster->topology == SURF_CLUSTER_FAT_TREE) {
362 ((AsClusterFatTree*) current_as)->addProcessingNode(i);
365 current_as->create_links_for_node(cluster, i, rankId,
366 rankId*current_as->linkCountPerNode_ + current_as->hasLoopback_ + current_as->hasLimiter_ );
374 // Add a router. It is magically used thanks to the way in which surf_routing_cluster is written,
375 // and it's very useful to connect clusters together
377 XBT_DEBUG("<router id=\"%s\"/>", cluster->router_id);
378 char *newid = nullptr;
379 s_sg_platf_router_cbarg_t router;
380 memset(&router, 0, sizeof(router));
381 router.id = cluster->router_id;
382 if (!router.id || !strcmp(router.id, ""))
383 router.id = newid = bprintf("%s%s_router%s", cluster->prefix, cluster->id, cluster->suffix);
384 sg_platf_new_router(&router);
385 current_as->router_ = (simgrid::kernel::routing::NetCard*) xbt_lib_get_or_null(as_router_lib, router.id, ROUTING_ASR_LEVEL);
389 if ((cluster->bb_bw != 0) || (cluster->bb_lat != 0)) {
391 memset(&link, 0, sizeof(link));
392 link.id = bprintf("%s_backbone", cluster->id);
393 link.bandwidth = cluster->bb_bw;
394 link.latency = cluster->bb_lat;
395 link.policy = cluster->bb_sharing_policy;
397 XBT_DEBUG("<link\tid=\"%s\" bw=\"%f\" lat=\"%f\"/>", link.id, cluster->bb_bw, cluster->bb_lat);
398 sg_platf_new_link(&link);
400 routing_cluster_add_backbone(Link::byName(link.id));
401 free((char*)link.id);
405 sg_platf_new_AS_seal();
407 simgrid::surf::on_cluster(cluster);
409 void routing_cluster_add_backbone(simgrid::surf::Link* bb) {
410 simgrid::kernel::routing::AsCluster *cluster = dynamic_cast<simgrid::kernel::routing::AsCluster*>(current_routing);
412 xbt_assert(cluster, "Only hosts from Cluster can get a backbone.");
413 xbt_assert(nullptr == cluster->backbone_, "Cluster %s already has a backbone link!", cluster->name());
415 cluster->backbone_ = bb;
416 XBT_DEBUG("Add a backbone to AS '%s'", current_routing->name());
419 void sg_platf_new_cabinet(sg_platf_cabinet_cbarg_t cabinet)
421 std::vector<int> *radicals = explodesRadical(cabinet->radical);
423 for (int radical : *radicals) {
424 char *hostname = bprintf("%s%d%s", cabinet->prefix, radical, cabinet->suffix);
425 s_sg_platf_host_cbarg_t host;
426 memset(&host, 0, sizeof(host));
428 host.core_amount = 1;
430 host.speed_per_pstate.push_back(cabinet->speed);
431 sg_platf_new_host(&host);
433 s_sg_platf_link_cbarg_t link;
434 memset(&link, 0, sizeof(link));
435 link.policy = SURF_LINK_FULLDUPLEX;
436 link.latency = cabinet->lat;
437 link.bandwidth = cabinet->bw;
438 link.id = bprintf("link_%s",hostname);
439 sg_platf_new_link(&link);
440 free((char*)link.id);
442 s_sg_platf_host_link_cbarg_t host_link;
443 memset(&host_link, 0, sizeof(host_link));
444 host_link.id = hostname;
445 host_link.link_up = bprintf("link_%s_UP",hostname);
446 host_link.link_down = bprintf("link_%s_DOWN",hostname);
447 sg_platf_new_hostlink(&host_link);
448 free((char*)host_link.link_up);
449 free((char*)host_link.link_down);
456 void sg_platf_new_storage(sg_platf_storage_cbarg_t storage)
458 xbt_assert(!xbt_lib_get_or_null(storage_lib, storage->id,ROUTING_STORAGE_LEVEL),
459 "Refusing to add a second storage named \"%s\"", storage->id);
461 void* stype = xbt_lib_get_or_null(storage_type_lib, storage->type_id,ROUTING_STORAGE_TYPE_LEVEL);
462 xbt_assert(stype,"No storage type '%s'", storage->type_id);
464 XBT_DEBUG("ROUTING Create a storage name '%s' with type_id '%s' and content '%s'",
469 xbt_lib_set(storage_lib, storage->id, ROUTING_STORAGE_LEVEL, (void *) xbt_strdup(storage->type_id));
471 // if storage content is not specified use the content of storage_type if any
472 if(!strcmp(storage->content,"") && strcmp(((storage_type_t) stype)->content,"")){
473 storage->content = ((storage_type_t) stype)->content;
474 storage->content_type = ((storage_type_t) stype)->content_type;
475 XBT_DEBUG("For disk '%s' content is empty, inherit the content (of type %s) from storage type '%s' ",
476 storage->id,((storage_type_t) stype)->content_type,
477 ((storage_type_t) stype)->type_id);
480 XBT_DEBUG("SURF storage create resource\n\t\tid '%s'\n\t\ttype '%s' "
481 "\n\t\tmodel '%s' \n\t\tcontent '%s'\n\t\tcontent_type '%s' "
482 "\n\t\tproperties '%p''\n",
484 ((storage_type_t) stype)->model,
485 ((storage_type_t) stype)->type_id,
487 storage->content_type,
488 storage->properties);
490 surf_storage_model->createStorage(storage->id,
491 ((storage_type_t) stype)->type_id,
493 storage->content_type,
497 void sg_platf_new_storage_type(sg_platf_storage_type_cbarg_t storage_type){
499 xbt_assert(!xbt_lib_get_or_null(storage_type_lib, storage_type->id,ROUTING_STORAGE_TYPE_LEVEL),
500 "Reading a storage type, processing unit \"%s\" already exists", storage_type->id);
502 storage_type_t stype = xbt_new0(s_storage_type_t, 1);
503 stype->model = xbt_strdup(storage_type->model);
504 stype->properties = storage_type->properties;
505 stype->content = xbt_strdup(storage_type->content);
506 stype->content_type = xbt_strdup(storage_type->content_type);
507 stype->type_id = xbt_strdup(storage_type->id);
508 stype->size = storage_type->size;
509 stype->model_properties = storage_type->model_properties;
511 XBT_DEBUG("ROUTING Create a storage type id '%s' with model '%s', "
512 "content '%s', and content_type '%s'",
515 storage_type->content,
516 storage_type->content_type);
518 xbt_lib_set(storage_type_lib,
520 ROUTING_STORAGE_TYPE_LEVEL,
524 static void mount_free(void *p)
526 mount_t mnt = (mount_t) p;
530 void sg_platf_new_mount(sg_platf_mount_cbarg_t mount){
531 xbt_assert(xbt_lib_get_or_null(storage_lib, mount->storageId, ROUTING_STORAGE_LEVEL),
532 "Cannot mount non-existent disk \"%s\"", mount->storageId);
534 XBT_DEBUG("ROUTING Mount '%s' on '%s'",mount->storageId, mount->name);
537 mnt.storage = surf_storage_resource_priv(surf_storage_resource_by_name(mount->storageId));
538 mnt.name = xbt_strdup(mount->name);
541 XBT_DEBUG("Create a Mount list for %s",A_surfxml_host_id);
542 mount_list = xbt_dynar_new(sizeof(s_mount_t), mount_free);
544 xbt_dynar_push(mount_list, &mnt);
547 void sg_platf_new_route(sg_platf_route_cbarg_t route)
549 routing_get_current()->addRoute(route);
552 void sg_platf_new_bypassRoute(sg_platf_route_cbarg_t bypassRoute)
554 routing_get_current()->addBypassRoute(bypassRoute);
557 void sg_platf_new_process(sg_platf_process_cbarg_t process)
559 sg_host_t host = sg_host_by_name(process->host);
561 // The requested host does not exist. Do a nice message to the user
562 char *tmp = bprintf("Cannot create process '%s': host '%s' does not exist\nExisting hosts: '",process->function, process->host);
563 xbt_strbuff_t msg = xbt_strbuff_new_from(tmp);
565 xbt_dynar_t all_hosts = xbt_dynar_sort_strings(sg_hosts_as_dynar());
566 simgrid::s4u::Host* host;
568 xbt_dynar_foreach(all_hosts,cursor, host) {
569 xbt_strbuff_append(msg,host->name().c_str());
570 xbt_strbuff_append(msg,"', '");
571 if (msg->used > 1024) {
572 msg->data[msg->used-3]='\0';
575 xbt_strbuff_append(msg," ...(list truncated)......");// That will be shortened by 3 chars when existing the loop
578 msg->data[msg->used-3]='\0';
579 xbt_die("%s", msg->data);
581 simgrid::simix::ActorCodeFactory& factory = SIMIX_get_actor_code_factory(process->function);
582 xbt_assert(factory, "Function '%s' unknown", process->function);
584 double start_time = process->start_time;
585 double kill_time = process->kill_time;
586 int auto_restart = process->on_failure == SURF_PROCESS_ON_FAILURE_DIE ? 0 : 1;
588 std::vector<std::string> args(process->argv, process->argv + process->argc);
589 std::function<void()> code = factory(std::move(args));
591 smx_process_arg_t arg = nullptr;
592 smx_actor_t process_created = nullptr;
594 arg = new simgrid::simix::ProcessArg();
595 arg->name = std::string(process->argv[0]);
598 arg->hostname = sg_host_get_name(host);
599 arg->kill_time = kill_time;
600 arg->properties = current_property_set;
601 if (!sg_host_simix(host)->boot_processes)
602 sg_host_simix(host)->boot_processes = xbt_dynar_new(sizeof(smx_process_arg_t), _SIMIX_host_free_process_arg);
604 xbt_dynar_push_as(sg_host_simix(host)->boot_processes,smx_process_arg_t,arg);
606 if (start_time > SIMIX_get_clock()) {
608 arg = new simgrid::simix::ProcessArg();
609 arg->name = std::string(process->argv[0]);
610 arg->code = std::move(code);
612 arg->hostname = sg_host_get_name(host);
613 arg->kill_time = kill_time;
614 arg->properties = current_property_set;
616 XBT_DEBUG("Process %s(%s) will be started at time %f",
617 arg->name.c_str(), arg->hostname, start_time);
618 SIMIX_timer_set(start_time, [=]() {
619 simix_global->create_process_function(
621 std::move(arg->code),
630 } else { // start_time <= SIMIX_get_clock()
631 XBT_DEBUG("Starting Process %s(%s) right now",
632 arg->name.c_str(), sg_host_get_name(host));
634 if (simix_global->create_process_function)
635 process_created = simix_global->create_process_function(
636 arg->name.c_str(), std::move(code), nullptr,
637 sg_host_get_name(host), kill_time,
638 current_property_set, auto_restart, nullptr);
640 process_created = simcall_process_create(
641 arg->name.c_str(), std::move(code), nullptr, sg_host_get_name(host), kill_time,
642 current_property_set,auto_restart);
644 /* verify if process has been created (won't be the case if the host is currently dead, but that's fine) */
645 if (!process_created) {
649 current_property_set = nullptr;
652 void sg_platf_new_peer(sg_platf_peer_cbarg_t peer)
654 using simgrid::kernel::routing::NetCard;
655 using simgrid::kernel::routing::AsCluster;
657 char *host_id = bprintf("peer_%s", peer->id);
658 char *router_id = bprintf("router_%s", peer->id);
662 XBT_DEBUG("<AS id=\"%s\"\trouting=\"Cluster\">", peer->id);
663 s_sg_platf_AS_cbarg_t AS;
665 AS.routing = A_surfxml_AS_routing_Cluster;
666 sg_platf_new_AS_begin(&AS);
668 XBT_DEBUG("<host\tid=\"%s\"\tpower=\"%f\"/>", host_id, peer->speed);
669 s_sg_platf_host_cbarg_t host;
670 memset(&host, 0, sizeof(host));
673 host.speed_per_pstate.push_back(peer->speed);
675 host.speed_trace = peer->availability_trace;
676 host.state_trace = peer->state_trace;
677 host.core_amount = 1;
678 sg_platf_new_host(&host);
680 s_sg_platf_link_cbarg_t link;
681 memset(&link, 0, sizeof(link));
682 link.policy = SURF_LINK_SHARED;
683 link.latency = peer->lat;
685 char* link_up = bprintf("link_%s_UP",peer->id);
686 XBT_DEBUG("<link\tid=\"%s\"\tbw=\"%f\"\tlat=\"%f\"/>", link_up, peer->bw_out, peer->lat);
688 link.bandwidth = peer->bw_out;
689 sg_platf_new_link(&link);
691 char* link_down = bprintf("link_%s_DOWN",peer->id);
692 XBT_DEBUG("<link\tid=\"%s\"\tbw=\"%f\"\tlat=\"%f\"/>", link_down, peer->bw_in, peer->lat);
694 link.bandwidth = peer->bw_in;
695 sg_platf_new_link(&link);
697 XBT_DEBUG("<host_link\tid=\"%s\"\tup=\"%s\"\tdown=\"%s\" />", host_id,link_up,link_down);
698 s_sg_platf_host_link_cbarg_t host_link;
699 memset(&host_link, 0, sizeof(host_link));
700 host_link.id = host_id;
701 host_link.link_up = link_up;
702 host_link.link_down = link_down;
703 sg_platf_new_hostlink(&host_link);
707 XBT_DEBUG("<router id=\"%s\"/>", router_id);
708 s_sg_platf_router_cbarg_t router;
709 memset(&router, 0, sizeof(router));
710 router.id = router_id;
711 router.coord = peer->coord;
712 sg_platf_new_router(&router);
715 sg_platf_new_AS_seal();
722 void sg_platf_begin() { /* Do nothing: just for symmetry of user code */ }
724 void sg_platf_end() {
725 simgrid::surf::on_postparse();
728 /* Pick the right models for CPU, net and host, and call their model_init_preparse */
729 static void surf_config_models_setup()
731 const char *host_model_name;
732 const char *vm_model_name;
735 char *network_model_name = nullptr;
736 char *cpu_model_name = nullptr;
738 char *storage_model_name = nullptr;
740 host_model_name = xbt_cfg_get_string("host/model");
741 vm_model_name = xbt_cfg_get_string("vm/model");
742 network_model_name = xbt_cfg_get_string("network/model");
743 cpu_model_name = xbt_cfg_get_string("cpu/model");
744 storage_model_name = xbt_cfg_get_string("storage/model");
746 /* Check whether we use a net/cpu model differing from the default ones, in which case
747 * we should switch to the "compound" host model to correctly dispatch stuff to
748 * the right net/cpu models.
751 if ((!xbt_cfg_is_default_value("network/model") ||
752 !xbt_cfg_is_default_value("cpu/model")) &&
753 xbt_cfg_is_default_value("host/model")) {
754 host_model_name = "compound";
755 xbt_cfg_set_string("host/model", host_model_name);
758 XBT_DEBUG("host model: %s", host_model_name);
759 host_id = find_model_description(surf_host_model_description, host_model_name);
760 if (!strcmp(host_model_name, "compound")) {
764 xbt_assert(cpu_model_name,
765 "Set a cpu model to use with the 'compound' host model");
767 xbt_assert(network_model_name,
768 "Set a network model to use with the 'compound' host model");
770 if(surf_cpu_model_init_preparse){
771 surf_cpu_model_init_preparse();
774 find_model_description(surf_cpu_model_description, cpu_model_name);
775 surf_cpu_model_description[cpu_id].model_init_preparse();
779 find_model_description(surf_network_model_description,
781 surf_network_model_description[network_id].model_init_preparse();
784 XBT_DEBUG("Call host_model_init");
785 surf_host_model_description[host_id].model_init_preparse();
787 XBT_DEBUG("Call vm_model_init");
788 vm_id = find_model_description(surf_vm_model_description, vm_model_name);
789 surf_vm_model_description[vm_id].model_init_preparse();
791 XBT_DEBUG("Call storage_model_init");
792 storage_id = find_model_description(surf_storage_model_description, storage_model_name);
793 surf_storage_model_description[storage_id].model_init_preparse();
798 * \brief Make a new routing component to the platform
800 * Add a new autonomous system to the platform. Any elements (such as host,
801 * router or sub-AS) added after this call and before the corresponding call
802 * to sg_platf_new_AS_seal() will be added to this AS.
804 * Once this function was called, the configuration concerning the used
805 * models cannot be changed anymore.
807 * @param AS the parameters defining the AS to build.
809 simgrid::s4u::As * sg_platf_new_AS_begin(sg_platf_AS_cbarg_t AS)
811 if (!surf_parse_models_setup_already_called) {
812 /* Initialize the surf models. That must be done after we got all config, and before we need the models.
813 * That is, after the last <config> tag, if any, and before the first of cluster|peer|AS|trace|trace_connect
815 * I'm not sure for <trace> and <trace_connect>, there may be a bug here
816 * (FIXME: check it out by creating a file beginning with one of these tags)
817 * but cluster and peer create ASes internally, so putting the code in there is ok.
819 surf_parse_models_setup_already_called = 1;
820 surf_config_models_setup();
823 xbt_assert(nullptr == xbt_lib_get_or_null(as_router_lib, AS->id, ROUTING_ASR_LEVEL),
824 "Refusing to create a second AS called \"%s\".", AS->id);
826 _sg_cfg_init_status = 2; /* HACK: direct access to the global controlling the level of configuration to prevent
827 * any further config now that we created some real content */
830 /* search the routing model */
831 simgrid::kernel::routing::AsImpl *new_as = nullptr;
833 case A_surfxml_AS_routing_Cluster: new_as = new simgrid::kernel::routing::AsCluster(AS->id); break;
834 case A_surfxml_AS_routing_ClusterDragonfly: new_as = new simgrid::kernel::routing::AsClusterDragonfly(AS->id); break;
835 case A_surfxml_AS_routing_ClusterTorus: new_as = new simgrid::kernel::routing::AsClusterTorus(AS->id); break;
836 case A_surfxml_AS_routing_ClusterFatTree: new_as = new simgrid::kernel::routing::AsClusterFatTree(AS->id); break;
837 case A_surfxml_AS_routing_Dijkstra: new_as = new simgrid::kernel::routing::AsDijkstra(AS->id, 0); break;
838 case A_surfxml_AS_routing_DijkstraCache: new_as = new simgrid::kernel::routing::AsDijkstra(AS->id, 1); break;
839 case A_surfxml_AS_routing_Floyd: new_as = new simgrid::kernel::routing::AsFloyd(AS->id); break;
840 case A_surfxml_AS_routing_Full: new_as = new simgrid::kernel::routing::AsFull(AS->id); break;
841 case A_surfxml_AS_routing_None: new_as = new simgrid::kernel::routing::AsNone(AS->id); break;
842 case A_surfxml_AS_routing_Vivaldi: new_as = new simgrid::kernel::routing::AsVivaldi(AS->id); break;
843 default: xbt_die("Not a valid model!"); break;
846 /* make a new routing component */
847 simgrid::kernel::routing::NetCard *netcard = new simgrid::kernel::routing::NetCardImpl(new_as->name(), simgrid::kernel::routing::NetCard::Type::As, current_routing);
849 if (current_routing == nullptr && routing_platf->root_ == nullptr) { /* it is the first one */
850 routing_platf->root_ = new_as;
851 } else if (current_routing != nullptr && routing_platf->root_ != nullptr) {
853 xbt_assert(!xbt_dict_get_or_null(current_routing->children(), AS->id),
854 "The AS \"%s\" already exists", AS->id);
855 /* it is a part of the tree */
856 new_as->father_ = current_routing;
857 /* set the father behavior */
858 if (current_routing->hierarchy_ == simgrid::kernel::routing::AsImpl::RoutingMode::unset)
859 current_routing->hierarchy_ = simgrid::kernel::routing::AsImpl::RoutingMode::recursive;
860 /* add to the sons dictionary */
861 xbt_dict_set(current_routing->children(), AS->id, (void *) new_as, nullptr);
863 THROWF(arg_error, 0, "All defined components must belong to a AS");
866 xbt_lib_set(as_router_lib, netcard->name(), ROUTING_ASR_LEVEL, (void *) netcard);
867 XBT_DEBUG("Having set name '%s' id '%d'", new_as->name(), netcard->id());
869 /* set the new current component of the tree */
870 current_routing = new_as;
871 current_routing->netcard_ = netcard;
873 simgrid::kernel::routing::asCreatedCallbacks(new_as);
874 if (TRACE_is_enabled())
875 sg_instr_AS_begin(AS);
881 * \brief Specify that the description of the current AS is finished
883 * Once you've declared all the content of your AS, you have to seal
884 * it with this call. Your AS is not usable until you call this function.
886 void sg_platf_new_AS_seal()
888 xbt_assert(current_routing, "Cannot seal the current AS: none under construction");
889 current_routing->seal();
890 current_routing = static_cast<simgrid::kernel::routing::AsImpl*>(current_routing->father());
892 if (TRACE_is_enabled())
896 /** @brief Add a link connecting an host to the rest of its AS (which must be cluster or vivaldi) */
897 void sg_platf_new_hostlink(sg_platf_host_link_cbarg_t hostlink)
899 simgrid::kernel::routing::NetCard *netcard = sg_host_by_name(hostlink->id)->pimpl_netcard;
900 xbt_assert(netcard, "Host '%s' not found!", hostlink->id);
901 xbt_assert(dynamic_cast<simgrid::kernel::routing::AsCluster*>(current_routing),
902 "Only hosts from Cluster and Vivaldi ASes can get an host_link.");
904 s_surf_parsing_link_up_down_t link_up_down;
905 link_up_down.linkUp = Link::byName(hostlink->link_up);
906 link_up_down.linkDown = Link::byName(hostlink->link_down);
908 xbt_assert(link_up_down.linkUp, "Link '%s' not found!",hostlink->link_up);
909 xbt_assert(link_up_down.linkDown, "Link '%s' not found!",hostlink->link_down);
911 // If dynar is is greater than netcard id and if the host_link is already defined
912 auto as_cluster = static_cast<simgrid::kernel::routing::AsCluster*>(current_routing);
913 if (as_cluster->privateLinks_.size() > netcard->id()){
914 if (as_cluster->privateLinks_.at(netcard->id()).linkUp != nullptr)
915 surf_parse_error("Host_link for '%s' is already defined!",hostlink->id);
917 as_cluster->privateLinks_.resize(netcard->id(), {nullptr, nullptr});
919 XBT_DEBUG("Push Host_link for host '%s' to position %d", netcard->name(), netcard->id());
920 as_cluster->privateLinks_.insert(as_cluster->privateLinks_.begin() + netcard->id(), link_up_down);