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/HostImpl.hpp"
23 #include "src/surf/cpu_interface.hpp"
24 #include "src/surf/network_interface.hpp"
25 #include "surf/surf_routing.h" // FIXME: brain dead public header
27 #include "src/kernel/routing/AsImpl.hpp"
28 #include "src/kernel/routing/AsCluster.hpp"
29 #include "src/kernel/routing/AsClusterTorus.hpp"
30 #include "src/kernel/routing/AsClusterFatTree.hpp"
31 #include "src/kernel/routing/AsClusterDragonfly.hpp"
32 #include "src/kernel/routing/AsDijkstra.hpp"
33 #include "src/kernel/routing/AsFloyd.hpp"
34 #include "src/kernel/routing/AsFull.hpp"
35 #include "src/kernel/routing/AsNone.hpp"
36 #include "src/kernel/routing/AsVivaldi.hpp"
38 XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(surf_parse);
40 XBT_PRIVATE xbt_dynar_t mount_list = nullptr;
45 simgrid::xbt::signal<void(sg_platf_link_cbarg_t)> on_link;
46 simgrid::xbt::signal<void(sg_platf_cluster_cbarg_t)> on_cluster;
47 simgrid::xbt::signal<void(void)> on_postparse;
52 static int surf_parse_models_setup_already_called = 0;
54 /** The current AS in the parsing */
55 static simgrid::kernel::routing::AsImpl *current_routing = nullptr;
56 static simgrid::kernel::routing::AsImpl *routing_get_current()
58 return current_routing;
61 /** Module management function: creates all internal data structures */
62 void sg_platf_init() {
65 /** Module management function: frees all internal data structures */
66 void sg_platf_exit() {
67 simgrid::surf::on_link.disconnect_all_slots();
68 simgrid::surf::on_cluster.disconnect_all_slots();
69 simgrid::surf::on_postparse.disconnect_all_slots();
71 /* make sure that we will reinit the models while loading the platf once reinited */
72 surf_parse_models_setup_already_called = 0;
73 surf_parse_lex_destroy();
76 /** @brief Add an host to the current AS */
77 void sg_platf_new_host(sg_platf_host_cbarg_t host)
79 simgrid::kernel::routing::AsImpl* current_routing = routing_get_current();
80 if (current_routing->hierarchy_ == simgrid::kernel::routing::AsImpl::RoutingMode::unset)
81 current_routing->hierarchy_ = simgrid::kernel::routing::AsImpl::RoutingMode::base;
83 simgrid::kernel::routing::NetCard *netcard =
84 new simgrid::kernel::routing::NetCardImpl(host->id, simgrid::kernel::routing::NetCard::Type::Host, current_routing);
86 simgrid::s4u::Host* h = new simgrid::s4u::Host(host->id);
87 h->pimpl_netcard = netcard;
89 if (host->coord && strcmp(host->coord, "")) {
93 xbt_assert(COORD_HOST_LEVEL, "To use host coordinates, please add --cfg=network/coordinates:yes to your command line");
94 /* Pre-parse the host coordinates -- FIXME factorize with routers by overloading the routing->parse_PU function*/
95 xbt_dynar_t ctn_str = xbt_str_split_str(host->coord, " ");
96 xbt_assert(xbt_dynar_length(ctn_str)==3,"Coordinates of %s must have 3 dimensions", host->id);
98 xbt_dynar_t ctn = xbt_dynar_new(sizeof(double),nullptr);
99 xbt_dynar_foreach(ctn_str,cursor, str) {
100 double val = xbt_str_parse_double(str, "Invalid coordinate: %s");
101 xbt_dynar_push(ctn,&val);
103 xbt_dynar_free(&ctn_str);
104 xbt_dynar_shrink(ctn, 0);
105 h->extension_set(COORD_HOST_LEVEL, (void *) ctn);
108 simgrid::surf::Cpu *cpu = surf_cpu_model_pm->createCpu( h, &host->speed_per_pstate, host->core_amount);
109 if (host->state_trace)
110 cpu->setStateTrace(host->state_trace);
111 if (host->speed_trace)
112 cpu->setSpeedTrace(host->speed_trace);
114 simgrid::surf::HostImpl* hi = new simgrid::surf::HostImpl(surf_host_model, host->id, mount_list);
116 xbt_lib_set(storage_lib, host->id, ROUTING_STORAGE_HOST_LEVEL, (void*)mount_list);
118 mount_list = nullptr;
120 if (host->properties) {
121 xbt_dict_cursor_t cursor=nullptr;
123 xbt_dict_foreach(host->properties,cursor,key,data)
124 h->setProperty(key,data);
125 xbt_dict_free(&host->properties);
128 if (host->pstate != 0)
129 cpu->setPState(host->pstate);
131 simgrid::s4u::Host::onCreation(*h);
133 if (TRACE_is_enabled() && TRACE_needs_platform())
134 sg_instr_new_host(host);
137 /** @brief Add a "router" to the network element list */
138 void sg_platf_new_router(sg_platf_router_cbarg_t router)
140 using simgrid::kernel::routing::AsCluster;
141 simgrid::kernel::routing::AsImpl* current_routing = routing_get_current();
143 if (current_routing->hierarchy_ == simgrid::kernel::routing::AsImpl::RoutingMode::unset)
144 current_routing->hierarchy_ = simgrid::kernel::routing::AsImpl::RoutingMode::base;
145 xbt_assert(nullptr == xbt_lib_get_or_null(as_router_lib, router->id, ROUTING_ASR_LEVEL),
146 "Refusing to create a router named '%s': this name already describes a node.", router->id);
148 simgrid::kernel::routing::NetCard* netcard =
149 new simgrid::kernel::routing::NetCardImpl(router->id, simgrid::kernel::routing::NetCard::Type::Router, current_routing);
150 xbt_lib_set(as_router_lib, router->id, ROUTING_ASR_LEVEL, netcard);
151 XBT_DEBUG("Router '%s' has the id %d", router->id, netcard->id());
153 if (router->coord && strcmp(router->coord, "")) {
157 xbt_assert(COORD_ASR_LEVEL, "To use host coordinates, please add --cfg=network/coordinates:yes to your command line");
158 /* Pre-parse the host coordinates */
159 xbt_dynar_t ctn_str = xbt_str_split_str(router->coord, " ");
160 xbt_assert(xbt_dynar_length(ctn_str)==3,"Coordinates of %s must have 3 dimensions", router->id);
161 xbt_dynar_t ctn = xbt_dynar_new(sizeof(double),nullptr);
162 xbt_dynar_foreach(ctn_str,cursor, str) {
163 double val = xbt_str_parse_double(str, "Invalid coordinate: %s");
164 xbt_dynar_push(ctn,&val);
166 xbt_dynar_free(&ctn_str);
167 xbt_dynar_shrink(ctn, 0);
168 xbt_lib_set(as_router_lib, router->id, COORD_ASR_LEVEL, (void *) ctn);
171 auto cluster = dynamic_cast<AsCluster*>(current_routing);
172 if(cluster != nullptr)
173 cluster->router_ = static_cast<simgrid::kernel::routing::NetCard*>(xbt_lib_get_or_null(as_router_lib, router->id, ROUTING_ASR_LEVEL));
175 if (TRACE_is_enabled() && TRACE_needs_platform())
176 sg_instr_new_router(router);
179 void sg_platf_new_link(sg_platf_link_cbarg_t link){
180 std::vector<char*> names;
182 if (link->policy == SURF_LINK_FULLDUPLEX) {
183 names.push_back(bprintf("%s_UP", link->id));
184 names.push_back(bprintf("%s_DOWN", link->id));
186 names.push_back(xbt_strdup(link->id));
188 for (auto link_name : names) {
189 Link *l = surf_network_model->createLink(link_name, link->bandwidth, link->latency, link->policy, link->properties);
191 if (link->latency_trace)
192 l->setLatencyTrace(link->latency_trace);
193 if (link->bandwidth_trace)
194 l->setBandwidthTrace(link->bandwidth_trace);
195 if (link->state_trace)
196 l->setStateTrace(link->state_trace);
201 simgrid::surf::on_link(link);
204 void sg_platf_new_cluster(sg_platf_cluster_cbarg_t cluster)
206 using simgrid::kernel::routing::AsCluster;
207 using simgrid::kernel::routing::AsClusterDragonfly;
208 using simgrid::kernel::routing::AsClusterFatTree;
209 using simgrid::kernel::routing::AsClusterTorus;
213 s_sg_platf_link_cbarg_t link;
215 // What an inventive way of initializing the AS that I have as ancestor :-(
216 s_sg_platf_AS_cbarg_t AS;
218 switch (cluster->topology) {
219 case SURF_CLUSTER_TORUS:
220 AS.routing = A_surfxml_AS_routing_ClusterTorus;
222 case SURF_CLUSTER_DRAGONFLY:
223 AS.routing = A_surfxml_AS_routing_ClusterDragonfly;
225 case SURF_CLUSTER_FAT_TREE:
226 AS.routing = A_surfxml_AS_routing_ClusterFatTree;
229 AS.routing = A_surfxml_AS_routing_Cluster;
232 sg_platf_new_AS_begin(&AS);
233 simgrid::kernel::routing::AsCluster *current_as = static_cast<AsCluster*>(routing_get_current());
234 current_as->parse_specific_arguments(cluster);
236 if(cluster->loopback_bw!=0 || cluster->loopback_lat!=0){
237 current_as->linkCountPerNode_++;
238 current_as->hasLoopback_ = 1;
241 if(cluster->limiter_link!=0){
242 current_as->linkCountPerNode_++;
243 current_as->hasLimiter_ = 1;
246 for (int i : *cluster->radicals) {
247 char * host_id = bprintf("%s%d%s", cluster->prefix, i, cluster->suffix);
248 char * link_id = bprintf("%s_link_%d", cluster->id, i);
250 XBT_DEBUG("<host\tid=\"%s\"\tpower=\"%f\">", host_id, cluster->speed);
252 s_sg_platf_host_cbarg_t host;
253 memset(&host, 0, sizeof(host));
255 if ((cluster->properties != nullptr) && (!xbt_dict_is_empty(cluster->properties))) {
256 xbt_dict_cursor_t cursor=nullptr;
258 host.properties = xbt_dict_new();
260 xbt_dict_foreach(cluster->properties,cursor,key,data) {
261 xbt_dict_set(host.properties, key, xbt_strdup(data),free);
265 host.speed_per_pstate.push_back(cluster->speed);
267 host.core_amount = cluster->core_amount;
269 sg_platf_new_host(&host);
270 XBT_DEBUG("</host>");
272 XBT_DEBUG("<link\tid=\"%s\"\tbw=\"%f\"\tlat=\"%f\"/>", link_id, cluster->bw, cluster->lat);
274 s_surf_parsing_link_up_down_t info_lim;
275 s_surf_parsing_link_up_down_t info_loop;
276 // All links are saved in a matrix;
277 // every row describes a single node; every node may have multiple links.
278 // the first column may store a link from x to x if p_has_loopback is set
279 // the second column may store a limiter link if p_has_limiter is set
280 // other columns are to store one or more link for the node
282 //add a loopback link
283 if(cluster->loopback_bw!=0 || cluster->loopback_lat!=0){
284 char *tmp_link = bprintf("%s_loopback", link_id);
285 XBT_DEBUG("<loopback\tid=\"%s\"\tbw=\"%f\"/>", tmp_link, cluster->loopback_bw);
287 memset(&link, 0, sizeof(link));
289 link.bandwidth = cluster->loopback_bw;
290 link.latency = cluster->loopback_lat;
291 link.policy = SURF_LINK_FATPIPE;
292 sg_platf_new_link(&link);
293 info_loop.linkUp = Link::byName(tmp_link);
294 info_loop.linkDown = Link::byName(tmp_link);
297 auto as_cluster = static_cast<AsCluster*>(current_as);
298 as_cluster->privateLinks_.insert({rankId*as_cluster->linkCountPerNode_, info_loop});
301 //add a limiter link (shared link to account for maximal bandwidth of the node)
302 if(cluster->limiter_link!=0){
303 char *tmp_link = bprintf("%s_limiter", link_id);
304 XBT_DEBUG("<limiter\tid=\"%s\"\tbw=\"%f\"/>", tmp_link, cluster->limiter_link);
306 memset(&link, 0, sizeof(link));
308 link.bandwidth = cluster->limiter_link;
310 link.policy = SURF_LINK_SHARED;
311 sg_platf_new_link(&link);
312 info_lim.linkUp = info_lim.linkDown = Link::byName(tmp_link);
314 current_as->privateLinks_.insert(
315 {rankId * current_as->linkCountPerNode_ + current_as->hasLoopback_ , info_lim});
318 //call the cluster function that adds the others links
319 if (cluster->topology == SURF_CLUSTER_FAT_TREE) {
320 static_cast<AsClusterFatTree*>(current_as)->addProcessingNode(i);
323 current_as->create_links_for_node(cluster, i, rankId,
324 rankId*current_as->linkCountPerNode_ + current_as->hasLoopback_ + current_as->hasLimiter_ );
331 // Add a router. It is magically used thanks to the way in which surf_routing_cluster is written,
332 // and it's very useful to connect clusters together
334 XBT_DEBUG("<router id=\"%s\"/>", cluster->router_id);
335 char *newid = nullptr;
336 s_sg_platf_router_cbarg_t router;
337 memset(&router, 0, sizeof(router));
338 router.id = cluster->router_id;
339 if (!router.id || !strcmp(router.id, ""))
340 router.id = newid = bprintf("%s%s_router%s", cluster->prefix, cluster->id, cluster->suffix);
341 sg_platf_new_router(&router);
342 current_as->router_ = (simgrid::kernel::routing::NetCard*) xbt_lib_get_or_null(as_router_lib, router.id, ROUTING_ASR_LEVEL);
346 if ((cluster->bb_bw != 0) || (cluster->bb_lat != 0)) {
348 memset(&link, 0, sizeof(link));
349 link.id = bprintf("%s_backbone", cluster->id);
350 link.bandwidth = cluster->bb_bw;
351 link.latency = cluster->bb_lat;
352 link.policy = cluster->bb_sharing_policy;
354 XBT_DEBUG("<link\tid=\"%s\" bw=\"%f\" lat=\"%f\"/>", link.id, cluster->bb_bw, cluster->bb_lat);
355 sg_platf_new_link(&link);
357 routing_cluster_add_backbone(Link::byName(link.id));
358 free((char*)link.id);
362 sg_platf_new_AS_seal();
364 simgrid::surf::on_cluster(cluster);
365 delete cluster->radicals;
367 void routing_cluster_add_backbone(simgrid::surf::Link* bb) {
368 simgrid::kernel::routing::AsCluster *cluster = dynamic_cast<simgrid::kernel::routing::AsCluster*>(current_routing);
370 xbt_assert(cluster, "Only hosts from Cluster can get a backbone.");
371 xbt_assert(nullptr == cluster->backbone_, "Cluster %s already has a backbone link!", cluster->name());
373 cluster->backbone_ = bb;
374 XBT_DEBUG("Add a backbone to AS '%s'", current_routing->name());
377 void sg_platf_new_cabinet(sg_platf_cabinet_cbarg_t cabinet)
379 for (int radical : *cabinet->radicals) {
380 char *hostname = bprintf("%s%d%s", cabinet->prefix, radical, cabinet->suffix);
381 s_sg_platf_host_cbarg_t host;
382 memset(&host, 0, sizeof(host));
384 host.core_amount = 1;
386 host.speed_per_pstate.push_back(cabinet->speed);
387 sg_platf_new_host(&host);
389 s_sg_platf_link_cbarg_t link;
390 memset(&link, 0, sizeof(link));
391 link.policy = SURF_LINK_FULLDUPLEX;
392 link.latency = cabinet->lat;
393 link.bandwidth = cabinet->bw;
394 link.id = bprintf("link_%s",hostname);
395 sg_platf_new_link(&link);
396 free((char*)link.id);
398 s_sg_platf_host_link_cbarg_t host_link;
399 memset(&host_link, 0, sizeof(host_link));
400 host_link.id = hostname;
401 host_link.link_up = bprintf("link_%s_UP",hostname);
402 host_link.link_down = bprintf("link_%s_DOWN",hostname);
403 sg_platf_new_hostlink(&host_link);
404 free((char*)host_link.link_up);
405 free((char*)host_link.link_down);
409 delete cabinet->radicals;
412 void sg_platf_new_storage(sg_platf_storage_cbarg_t storage)
414 xbt_assert(!xbt_lib_get_or_null(storage_lib, storage->id,ROUTING_STORAGE_LEVEL),
415 "Refusing to add a second storage named \"%s\"", storage->id);
417 void* stype = xbt_lib_get_or_null(storage_type_lib, storage->type_id,ROUTING_STORAGE_TYPE_LEVEL);
418 xbt_assert(stype,"No storage type '%s'", storage->type_id);
420 XBT_DEBUG("ROUTING Create a storage name '%s' with type_id '%s' and content '%s'",
425 xbt_lib_set(storage_lib, storage->id, ROUTING_STORAGE_LEVEL, (void *) xbt_strdup(storage->type_id));
427 // if storage content is not specified use the content of storage_type if any
428 if(!strcmp(storage->content,"") && strcmp(((storage_type_t) stype)->content,"")){
429 storage->content = ((storage_type_t) stype)->content;
430 storage->content_type = ((storage_type_t) stype)->content_type;
431 XBT_DEBUG("For disk '%s' content is empty, inherit the content (of type %s) from storage type '%s' ",
432 storage->id,((storage_type_t) stype)->content_type,
433 ((storage_type_t) stype)->type_id);
436 XBT_DEBUG("SURF storage create resource\n\t\tid '%s'\n\t\ttype '%s' "
437 "\n\t\tmodel '%s' \n\t\tcontent '%s'\n\t\tcontent_type '%s' "
438 "\n\t\tproperties '%p''\n",
440 ((storage_type_t) stype)->model,
441 ((storage_type_t) stype)->type_id,
443 storage->content_type,
444 storage->properties);
446 surf_storage_model->createStorage(storage->id,
447 ((storage_type_t) stype)->type_id,
449 storage->content_type,
453 void sg_platf_new_storage_type(sg_platf_storage_type_cbarg_t storage_type){
455 xbt_assert(!xbt_lib_get_or_null(storage_type_lib, storage_type->id,ROUTING_STORAGE_TYPE_LEVEL),
456 "Reading a storage type, processing unit \"%s\" already exists", storage_type->id);
458 storage_type_t stype = xbt_new0(s_storage_type_t, 1);
459 stype->model = xbt_strdup(storage_type->model);
460 stype->properties = storage_type->properties;
461 stype->content = xbt_strdup(storage_type->content);
462 stype->content_type = xbt_strdup(storage_type->content_type);
463 stype->type_id = xbt_strdup(storage_type->id);
464 stype->size = storage_type->size;
465 stype->model_properties = storage_type->model_properties;
467 XBT_DEBUG("ROUTING Create a storage type id '%s' with model '%s', "
468 "content '%s', and content_type '%s'",
471 storage_type->content,
472 storage_type->content_type);
474 xbt_lib_set(storage_type_lib,
476 ROUTING_STORAGE_TYPE_LEVEL,
480 static void mount_free(void *p)
482 mount_t mnt = (mount_t) p;
486 void sg_platf_new_mount(sg_platf_mount_cbarg_t mount){
487 xbt_assert(xbt_lib_get_or_null(storage_lib, mount->storageId, ROUTING_STORAGE_LEVEL),
488 "Cannot mount non-existent disk \"%s\"", mount->storageId);
490 XBT_DEBUG("ROUTING Mount '%s' on '%s'",mount->storageId, mount->name);
493 mnt.storage = surf_storage_resource_priv(surf_storage_resource_by_name(mount->storageId));
494 mnt.name = xbt_strdup(mount->name);
497 XBT_DEBUG("Create a Mount list for %s",A_surfxml_host_id);
498 mount_list = xbt_dynar_new(sizeof(s_mount_t), mount_free);
500 xbt_dynar_push(mount_list, &mnt);
503 void sg_platf_new_route(sg_platf_route_cbarg_t route)
505 routing_get_current()->addRoute(route);
508 void sg_platf_new_bypassRoute(sg_platf_route_cbarg_t bypassRoute)
510 routing_get_current()->addBypassRoute(bypassRoute);
513 void sg_platf_new_process(sg_platf_process_cbarg_t process)
515 sg_host_t host = sg_host_by_name(process->host);
517 // The requested host does not exist. Do a nice message to the user
518 char *tmp = bprintf("Cannot create process '%s': host '%s' does not exist\nExisting hosts: '",process->function, process->host);
519 xbt_strbuff_t msg = xbt_strbuff_new_from(tmp);
521 xbt_dynar_t all_hosts = xbt_dynar_sort_strings(sg_hosts_as_dynar());
522 simgrid::s4u::Host* host;
524 xbt_dynar_foreach(all_hosts,cursor, host) {
525 xbt_strbuff_append(msg,host->name().c_str());
526 xbt_strbuff_append(msg,"', '");
527 if (msg->used > 1024) {
528 msg->data[msg->used-3]='\0';
531 xbt_strbuff_append(msg," ...(list truncated)......");// That will be shortened by 3 chars when existing the loop
535 msg->data[msg->used-3]='\0';
536 xbt_die("%s", msg->data);
538 simgrid::simix::ActorCodeFactory& factory = SIMIX_get_actor_code_factory(process->function);
539 xbt_assert(factory, "Function '%s' unknown", process->function);
541 double start_time = process->start_time;
542 double kill_time = process->kill_time;
543 int auto_restart = process->on_failure == SURF_PROCESS_ON_FAILURE_DIE ? 0 : 1;
545 std::vector<std::string> args(process->argv, process->argv + process->argc);
546 std::function<void()> code = factory(std::move(args));
548 smx_process_arg_t arg = nullptr;
549 smx_actor_t process_created = nullptr;
551 arg = new simgrid::simix::ProcessArg();
552 arg->name = std::string(process->argv[0]);
556 arg->kill_time = kill_time;
557 arg->properties = current_property_set;
559 sg_host_simix(host)->boot_processes.push_back(arg);
561 if (start_time > SIMIX_get_clock()) {
563 arg = new simgrid::simix::ProcessArg();
564 arg->name = std::string(process->argv[0]);
565 arg->code = std::move(code);
568 arg->kill_time = kill_time;
569 arg->properties = current_property_set;
571 XBT_DEBUG("Process %s@%s will be started at time %f",
572 arg->name.c_str(), arg->host->name().c_str(), start_time);
573 SIMIX_timer_set(start_time, [=]() {
574 simix_global->create_process_function(
576 std::move(arg->code),
585 } else { // start_time <= SIMIX_get_clock()
586 XBT_DEBUG("Starting Process %s(%s) right now",
587 arg->name.c_str(), sg_host_get_name(host));
589 process_created = simix_global->create_process_function(
590 arg->name.c_str(), std::move(code), nullptr,
592 current_property_set, auto_restart, nullptr);
594 /* verify if process has been created (won't be the case if the host is currently dead, but that's fine) */
595 if (!process_created) {
599 current_property_set = nullptr;
602 void sg_platf_new_peer(sg_platf_peer_cbarg_t peer)
604 using simgrid::kernel::routing::NetCard;
605 using simgrid::kernel::routing::AsCluster;
607 char *host_id = bprintf("peer_%s", peer->id);
608 char *router_id = bprintf("router_%s", peer->id);
612 XBT_DEBUG("<AS id=\"%s\"\trouting=\"Cluster\">", peer->id);
613 s_sg_platf_AS_cbarg_t AS;
615 AS.routing = A_surfxml_AS_routing_Cluster;
616 sg_platf_new_AS_begin(&AS);
618 XBT_DEBUG("<host\tid=\"%s\"\tpower=\"%f\"/>", host_id, peer->speed);
619 s_sg_platf_host_cbarg_t host;
620 memset(&host, 0, sizeof(host));
623 host.speed_per_pstate.push_back(peer->speed);
625 host.speed_trace = peer->availability_trace;
626 host.state_trace = peer->state_trace;
627 host.core_amount = 1;
628 sg_platf_new_host(&host);
630 s_sg_platf_link_cbarg_t link;
631 memset(&link, 0, sizeof(link));
632 link.policy = SURF_LINK_SHARED;
633 link.latency = peer->lat;
635 char* link_up = bprintf("link_%s_UP",peer->id);
636 XBT_DEBUG("<link\tid=\"%s\"\tbw=\"%f\"\tlat=\"%f\"/>", link_up, peer->bw_out, peer->lat);
638 link.bandwidth = peer->bw_out;
639 sg_platf_new_link(&link);
641 char* link_down = bprintf("link_%s_DOWN",peer->id);
642 XBT_DEBUG("<link\tid=\"%s\"\tbw=\"%f\"\tlat=\"%f\"/>", link_down, peer->bw_in, peer->lat);
644 link.bandwidth = peer->bw_in;
645 sg_platf_new_link(&link);
647 XBT_DEBUG("<host_link\tid=\"%s\"\tup=\"%s\"\tdown=\"%s\" />", host_id,link_up,link_down);
648 s_sg_platf_host_link_cbarg_t host_link;
649 memset(&host_link, 0, sizeof(host_link));
650 host_link.id = host_id;
651 host_link.link_up = link_up;
652 host_link.link_down = link_down;
653 sg_platf_new_hostlink(&host_link);
657 XBT_DEBUG("<router id=\"%s\"/>", router_id);
658 s_sg_platf_router_cbarg_t router;
659 memset(&router, 0, sizeof(router));
660 router.id = router_id;
661 router.coord = peer->coord;
662 sg_platf_new_router(&router);
665 sg_platf_new_AS_seal();
672 void sg_platf_begin() { /* Do nothing: just for symmetry of user code */ }
674 void sg_platf_end() {
675 simgrid::surf::on_postparse();
678 /* Pick the right models for CPU, net and host, and call their model_init_preparse */
679 static void surf_config_models_setup()
681 const char* host_model_name = xbt_cfg_get_string("host/model");
682 const char* vm_model_name = xbt_cfg_get_string("vm/model");
683 const char* network_model_name = xbt_cfg_get_string("network/model");
684 const char* cpu_model_name = xbt_cfg_get_string("cpu/model");
685 const char* storage_model_name = xbt_cfg_get_string("storage/model");
687 /* The compound host model is needed when using non-default net/cpu models */
688 if ((!xbt_cfg_is_default_value("network/model") || !xbt_cfg_is_default_value("cpu/model")) &&
689 xbt_cfg_is_default_value("host/model")) {
690 host_model_name = "compound";
691 xbt_cfg_set_string("host/model", host_model_name);
694 XBT_DEBUG("host model: %s", host_model_name);
695 if (!strcmp(host_model_name, "compound")) {
696 xbt_assert(cpu_model_name, "Set a cpu model to use with the 'compound' host model");
697 xbt_assert(network_model_name, "Set a network model to use with the 'compound' host model");
699 int cpu_id = find_model_description(surf_cpu_model_description, cpu_model_name);
700 surf_cpu_model_description[cpu_id].model_init_preparse();
702 int network_id = find_model_description(surf_network_model_description, network_model_name);
703 surf_network_model_description[network_id].model_init_preparse();
706 XBT_DEBUG("Call host_model_init");
707 int host_id = find_model_description(surf_host_model_description, host_model_name);
708 surf_host_model_description[host_id].model_init_preparse();
710 XBT_DEBUG("Call vm_model_init");
711 int vm_id = find_model_description(surf_vm_model_description, vm_model_name);
712 surf_vm_model_description[vm_id].model_init_preparse();
714 XBT_DEBUG("Call storage_model_init");
715 int storage_id = find_model_description(surf_storage_model_description, storage_model_name);
716 surf_storage_model_description[storage_id].model_init_preparse();
720 * \brief Add an AS to the platform
722 * Add a new autonomous system to the platform. Any elements (such as host,
723 * router or sub-AS) added after this call and before the corresponding call
724 * to sg_platf_new_AS_seal() will be added to this AS.
726 * Once this function was called, the configuration concerning the used
727 * models cannot be changed anymore.
729 * @param AS the parameters defining the AS to build.
731 simgrid::s4u::As * sg_platf_new_AS_begin(sg_platf_AS_cbarg_t AS)
733 if (!surf_parse_models_setup_already_called) {
734 /* Initialize the surf models. That must be done after we got all config, and before we need the models.
735 * That is, after the last <config> tag, if any, and before the first of cluster|peer|AS|trace|trace_connect
737 * I'm not sure for <trace> and <trace_connect>, there may be a bug here
738 * (FIXME: check it out by creating a file beginning with one of these tags)
739 * but cluster and peer create ASes internally, so putting the code in there is ok.
741 surf_parse_models_setup_already_called = 1;
742 surf_config_models_setup();
745 _sg_cfg_init_status = 2; /* HACK: direct access to the global controlling the level of configuration to prevent
746 * any further config now that we created some real content */
749 /* search the routing model */
750 simgrid::kernel::routing::AsImpl *new_as = nullptr;
752 case A_surfxml_AS_routing_Cluster:
753 new_as = new simgrid::kernel::routing::AsCluster(current_routing, AS->id);
755 case A_surfxml_AS_routing_ClusterDragonfly:
756 new_as = new simgrid::kernel::routing::AsClusterDragonfly(current_routing, AS->id);
758 case A_surfxml_AS_routing_ClusterTorus:
759 new_as = new simgrid::kernel::routing::AsClusterTorus(current_routing, AS->id);
761 case A_surfxml_AS_routing_ClusterFatTree:
762 new_as = new simgrid::kernel::routing::AsClusterFatTree(current_routing, AS->id);
764 case A_surfxml_AS_routing_Dijkstra:
765 new_as = new simgrid::kernel::routing::AsDijkstra(current_routing, AS->id, 0);
767 case A_surfxml_AS_routing_DijkstraCache:
768 new_as = new simgrid::kernel::routing::AsDijkstra(current_routing, AS->id, 1);
770 case A_surfxml_AS_routing_Floyd:
771 new_as = new simgrid::kernel::routing::AsFloyd(current_routing, AS->id);
773 case A_surfxml_AS_routing_Full:
774 new_as = new simgrid::kernel::routing::AsFull(current_routing, AS->id);
776 case A_surfxml_AS_routing_None:
777 new_as = new simgrid::kernel::routing::AsNone(current_routing, AS->id);
779 case A_surfxml_AS_routing_Vivaldi:
780 new_as = new simgrid::kernel::routing::AsVivaldi(current_routing, AS->id);
783 xbt_die("Not a valid model!");
788 if (current_routing == nullptr && routing_platf->root_ == nullptr) { /* it is the first one */
789 routing_platf->root_ = new_as;
791 } else if (current_routing != nullptr && routing_platf->root_ != nullptr) {
792 /* set the father behavior */
793 if (current_routing->hierarchy_ == simgrid::kernel::routing::AsImpl::RoutingMode::unset)
794 current_routing->hierarchy_ = simgrid::kernel::routing::AsImpl::RoutingMode::recursive;
795 /* add to the sons dictionary */
796 xbt_dict_set(current_routing->children(), AS->id, (void *) new_as, nullptr);
799 THROWF(arg_error, 0, "All defined components must belong to a AS");
802 /* set the new current component of the tree */
803 current_routing = new_as;
805 simgrid::kernel::routing::asCreatedCallbacks(new_as);
806 if (TRACE_is_enabled())
807 sg_instr_AS_begin(AS);
813 * \brief Specify that the description of the current AS is finished
815 * Once you've declared all the content of your AS, you have to seal
816 * it with this call. Your AS is not usable until you call this function.
818 void sg_platf_new_AS_seal()
820 xbt_assert(current_routing, "Cannot seal the current AS: none under construction");
821 current_routing->seal();
822 current_routing = static_cast<simgrid::kernel::routing::AsImpl*>(current_routing->father());
824 if (TRACE_is_enabled())
828 /** @brief Add a link connecting an host to the rest of its AS (which must be cluster or vivaldi) */
829 void sg_platf_new_hostlink(sg_platf_host_link_cbarg_t hostlink)
831 simgrid::kernel::routing::NetCard *netcard = sg_host_by_name(hostlink->id)->pimpl_netcard;
832 xbt_assert(netcard, "Host '%s' not found!", hostlink->id);
833 xbt_assert(dynamic_cast<simgrid::kernel::routing::AsCluster*>(current_routing),
834 "Only hosts from Cluster and Vivaldi ASes can get an host_link.");
836 s_surf_parsing_link_up_down_t link_up_down;
837 link_up_down.linkUp = Link::byName(hostlink->link_up);
838 link_up_down.linkDown = Link::byName(hostlink->link_down);
840 xbt_assert(link_up_down.linkUp, "Link '%s' not found!",hostlink->link_up);
841 xbt_assert(link_up_down.linkDown, "Link '%s' not found!",hostlink->link_down);
843 auto as_cluster = static_cast<simgrid::kernel::routing::AsCluster*>(current_routing);
845 if (as_cluster->privateLinks_.find(netcard->id()) != as_cluster->privateLinks_.end())
846 surf_parse_error("Host_link for '%s' is already defined!",hostlink->id);
848 XBT_DEBUG("Push Host_link for host '%s' to position %d", netcard->name(), netcard->id());
849 as_cluster->privateLinks_.insert({netcard->id(), link_up_down});