src/surf/sg_platf.cpp

   1 /* Copyright (c) 2006-2014. The SimGrid Team.
   2  * All rights reserved.                                                     */
   3
   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. */
   6
   7 #include "xbt/misc.h"
   8 #include "xbt/log.h"
   9 #include "xbt/str.h"
  10 #include "xbt/dict.h"
  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"
  16
  17 #include "src/simix/smx_private.h"
  18
  19 #include "src/include/simgrid/sg_config.h"
  20 #include "src/surf/xml/platf_private.hpp"
  21
  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
  25
  26 #include "src/surf/AsImpl.hpp"
  27 #include "src/surf/AsCluster.hpp"
  28 #include "src/surf/AsClusterTorus.hpp"
  29 #include "src/surf/AsClusterFatTree.hpp"
  30 #include "src/surf/AsClusterDragonfly.hpp"
  31 #include "src/surf/AsDijkstra.hpp"
  32 #include "src/surf/AsFloyd.hpp"
  33 #include "src/surf/AsFull.hpp"
  34 #include "src/surf/AsNone.hpp"
  35 #include "src/surf/AsVivaldi.hpp"
  36
  37 XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(surf_parse);
  38
  39 XBT_PRIVATE xbt_dynar_t mount_list = nullptr;
  40
  41 namespace simgrid {
  42 namespace surf {
  43
  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;
  47
  48 }
  49 }
  50
  51 static int surf_parse_models_setup_already_called = 0;
  52
  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>();
  56   char *groups;
  57   unsigned int iter;
  58
  59   //Make all hosts
  60   xbt_dynar_t radical_elements = xbt_str_split(radicals, ",");
  61   xbt_dynar_foreach(radical_elements, iter, groups) {
  62
  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 *));
  65     int end=0;
  66
  67     switch (xbt_dynar_length(radical_ends)) {
  68     case 1:
  69       end = start;
  70       break;
  71     case 2:
  72       end = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 1, char *));
  73       break;
  74     default:
  75       surf_parse_error("Malformed radical: %s", groups);
  76       break;
  77     }
  78
  79     for (int i = start; i <= end; i++)
  80       exploded->push_back( i );
  81
  82     xbt_dynar_free(&radical_ends);
  83   }
  84   xbt_dynar_free(&radical_elements);
  85
  86   return exploded;
  87 }
  88
  89
  90 /** The current AS in the parsing */
  91 static simgrid::routing::AsImpl *current_routing = nullptr;
  92 static simgrid::routing::AsImpl* routing_get_current()
  93 {
  94   return current_routing;
  95 }
  96
  97 /** Module management function: creates all internal data structures */
  98 void sg_platf_init(void) {
  99 }
 100
 101 /** Module management function: frees all internal data structures */
 102 void sg_platf_exit(void) {
 103   simgrid::surf::on_link.disconnect_all_slots();
 104   simgrid::surf::on_cluster.disconnect_all_slots();
 105   simgrid::surf::on_postparse.disconnect_all_slots();
 106
 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();
 110 }
 111
 112 /** @brief Add an "host" to the current AS */
 113 void sg_platf_new_host(sg_platf_host_cbarg_t host)
 114 {
 115   xbt_assert(sg_host_by_name(host->id) == nullptr, "Refusing to create a second host named '%s'.", host->id);
 116
 117   simgrid::routing::AsImpl* current_routing = routing_get_current();
 118   if (current_routing->hierarchy_ == simgrid::routing::AsImpl::RoutingMode::unset)
 119     current_routing->hierarchy_ = simgrid::routing::AsImpl::RoutingMode::base;
 120
 121   simgrid::routing::NetCard *netcard =
 122       new simgrid::routing::NetCardImpl(host->id, simgrid::routing::NetCard::Type::Host, current_routing);
 123
 124   sg_host_t h = simgrid::s4u::Host::by_name_or_create(host->id);
 125   h->pimpl_netcard = netcard;
 126
 127   if(mount_list) {
 128     xbt_lib_set(storage_lib, host->id, ROUTING_STORAGE_HOST_LEVEL, (void *) mount_list);
 129     mount_list = nullptr;
 130   }
 131
 132   if (host->coord && strcmp(host->coord, "")) {
 133     unsigned int cursor;
 134     char*str;
 135
 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);
 140
 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);
 145     }
 146     xbt_dynar_free(&ctn_str);
 147     xbt_dynar_shrink(ctn, 0);
 148     h->extension_set(COORD_HOST_LEVEL, (void *) ctn);
 149   }
 150
 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);
 157
 158   if (host->properties) {
 159     xbt_dict_cursor_t cursor=nullptr;
 160     char *key,*data;
 161     xbt_dict_foreach(host->properties,cursor,key,data)
 162       h->setProperty(key,data);
 163     xbt_dict_free(&host->properties);
 164   }
 165
 166   if (host->pstate != 0)
 167     cpu->setPState(host->pstate);
 168
 169   simgrid::s4u::Host::onCreation(*h);
 170
 171   if (TRACE_is_enabled() && TRACE_needs_platform())
 172     sg_instr_new_host(host);
 173 }
 174
 175 /** @brief Add a "router" to the network element list */
 176 void sg_platf_new_router(sg_platf_router_cbarg_t router)
 177 {
 178   simgrid::routing::AsImpl* current_routing = routing_get_current();
 179
 180   if (current_routing->hierarchy_ == simgrid::routing::AsImpl::RoutingMode::unset)
 181     current_routing->hierarchy_ = simgrid::routing::AsImpl::RoutingMode::base;
 182   xbt_assert(nullptr == xbt_lib_get_or_null(as_router_lib, router->id, ROUTING_ASR_LEVEL),
 183              "Refusing to create a router named '%s': this name already describes a node.", router->id);
 184
 185   simgrid::routing::NetCard* netcard =
 186     new simgrid::routing::NetCardImpl(router->id, simgrid::routing::NetCard::Type::Router, current_routing);
 187   xbt_lib_set(as_router_lib, router->id, ROUTING_ASR_LEVEL, netcard);
 188   XBT_DEBUG("Router '%s' has the id %d", router->id, netcard->id());
 189
 190   if (router->coord && strcmp(router->coord, "")) {
 191     unsigned int cursor;
 192     char*str;
 193
 194     xbt_assert(COORD_ASR_LEVEL, "To use host coordinates, please add --cfg=network/coordinates:yes to your command line");
 195     /* Pre-parse the host coordinates */
 196     xbt_dynar_t ctn_str = xbt_str_split_str(router->coord, " ");
 197     xbt_assert(xbt_dynar_length(ctn_str)==3,"Coordinates of %s must have 3 dimensions", router->id);
 198     xbt_dynar_t ctn = xbt_dynar_new(sizeof(double),nullptr);
 199     xbt_dynar_foreach(ctn_str,cursor, str) {
 200       double val = xbt_str_parse_double(str, "Invalid coordinate: %s");
 201       xbt_dynar_push(ctn,&val);
 202     }
 203     xbt_dynar_free(&ctn_str);
 204     xbt_dynar_shrink(ctn, 0);
 205     xbt_lib_set(as_router_lib, router->id, COORD_ASR_LEVEL, (void *) ctn);
 206   }
 207
 208   if (TRACE_is_enabled() && TRACE_needs_platform())
 209     sg_instr_new_router(router);
 210 }
 211
 212 void sg_platf_new_link(sg_platf_link_cbarg_t link){
 213   std::vector<char*> names;
 214
 215   if (link->policy == SURF_LINK_FULLDUPLEX) {
 216     names.push_back(bprintf("%s_UP", link->id));
 217     names.push_back(bprintf("%s_DOWN", link->id));
 218   } else {
 219     names.push_back(xbt_strdup(link->id));
 220   }
 221   for (auto link_name : names) {
 222     Link *l = surf_network_model->createLink(link_name, link->bandwidth, link->latency, link->policy, link->properties);
 223
 224     if (link->latency_trace)
 225       l->setLatencyTrace(link->latency_trace);
 226     if (link->bandwidth_trace)
 227       l->setBandwidthTrace(link->bandwidth_trace);
 228     if (link->state_trace)
 229       l->setStateTrace(link->state_trace);
 230
 231     xbt_free(link_name);
 232   }
 233
 234   simgrid::surf::on_link(link);
 235 }
 236
 237 void sg_platf_new_cluster(sg_platf_cluster_cbarg_t cluster)
 238 {
 239   using simgrid::routing::AsCluster;
 240   using simgrid::routing::AsClusterTorus;
 241   using simgrid::routing::AsClusterFatTree;
 242   using simgrid::routing::AsCluster;
 243   using simgrid::routing::AsClusterTorus;
 244   using simgrid::routing::AsClusterDragonfly;
 245   using simgrid::routing::AsClusterFatTree;
 246
 247   int rankId=0;
 248
 249   s_sg_platf_link_cbarg_t link;
 250
 251   // What an inventive way of initializing the AS that I have as ancestor :-(
 252   s_sg_platf_AS_cbarg_t AS;
 253   AS.id = cluster->id;
 254   switch (cluster->topology) {
 255   case SURF_CLUSTER_TORUS:
 256     AS.routing = A_surfxml_AS_routing_ClusterTorus;
 257     break;
 258   case SURF_CLUSTER_DRAGONFLY:
 259     AS.routing = A_surfxml_AS_routing_ClusterDragonfly;
 260     break;
 261   case SURF_CLUSTER_FAT_TREE:
 262     AS.routing = A_surfxml_AS_routing_ClusterFatTree;
 263     break;
 264   default:
 265     AS.routing = A_surfxml_AS_routing_Cluster;
 266     break;
 267   }
 268   sg_platf_new_AS_begin(&AS);
 269   simgrid::routing::AsCluster *current_as = static_cast<AsCluster*>(routing_get_current());
 270   current_as->parse_specific_arguments(cluster);
 271
 272   if(cluster->loopback_bw!=0 || cluster->loopback_lat!=0){
 273     current_as->linkCountPerNode_++;
 274     current_as->hasLoopback_ = 1;
 275   }
 276
 277   if(cluster->limiter_link!=0){
 278     current_as->linkCountPerNode_++;
 279     current_as->hasLimiter_ = 1;
 280   }
 281
 282   std::vector<int> *radicals = explodesRadical(cluster->radical);
 283   for (int i : *radicals) {
 284     char * host_id = bprintf("%s%d%s", cluster->prefix, i, cluster->suffix);
 285     char * link_id = bprintf("%s_link_%d", cluster->id, i);
 286
 287     XBT_DEBUG("<host\tid=\"%s\"\tpower=\"%f\">", host_id, cluster->speed);
 288
 289     s_sg_platf_host_cbarg_t host;
 290     memset(&host, 0, sizeof(host));
 291     host.id = host_id;
 292     if ((cluster->properties != nullptr) && (!xbt_dict_is_empty(cluster->properties))) {
 293       xbt_dict_cursor_t cursor=nullptr;
 294       char *key,*data;
 295       host.properties = xbt_dict_new();
 296
 297       xbt_dict_foreach(cluster->properties,cursor,key,data) {
 298         xbt_dict_set(host.properties, key, xbt_strdup(data),free);
 299       }
 300     }
 301
 302     host.speed_per_pstate = xbt_dynar_new(sizeof(double), nullptr);
 303     xbt_dynar_push(host.speed_per_pstate,&cluster->speed);
 304     host.pstate = 0;
 305     host.core_amount = cluster->core_amount;
 306     host.coord = "";
 307     sg_platf_new_host(&host);
 308     xbt_dynar_free(&host.speed_per_pstate);
 309     XBT_DEBUG("</host>");
 310
 311     XBT_DEBUG("<link\tid=\"%s\"\tbw=\"%f\"\tlat=\"%f\"/>", link_id, cluster->bw, cluster->lat);
 312
 313     s_surf_parsing_link_up_down_t info_lim, info_loop;
 314     // All links are saved in a matrix;
 315     // every row describes a single node; every node may have multiple links.
 316     // the first column may store a link from x to x if p_has_loopback is set
 317     // the second column may store a limiter link if p_has_limiter is set
 318     // other columns are to store one or more link for the node
 319
 320     //add a loopback link
 321     if(cluster->loopback_bw!=0 || cluster->loopback_lat!=0){
 322       char *tmp_link = bprintf("%s_loopback", link_id);
 323       XBT_DEBUG("<loopback\tid=\"%s\"\tbw=\"%f\"/>", tmp_link, cluster->loopback_bw);
 324
 325       memset(&link, 0, sizeof(link));
 326       link.id        = tmp_link;
 327       link.bandwidth = cluster->loopback_bw;
 328       link.latency   = cluster->loopback_lat;
 329       link.policy    = SURF_LINK_FATPIPE;
 330       sg_platf_new_link(&link);
 331       info_loop.linkUp = info_loop.linkDown = Link::byName(tmp_link);
 332       free(tmp_link);
 333       auto as_cluster = static_cast<AsCluster*>(current_as);
 334       xbt_dynar_set(as_cluster->privateLinks_, rankId*as_cluster->linkCountPerNode_, &info_loop);
 335     }
 336
 337     //add a limiter link (shared link to account for maximal bandwidth of the node)
 338     if(cluster->limiter_link!=0){
 339       char *tmp_link = bprintf("%s_limiter", link_id);
 340       XBT_DEBUG("<limiter\tid=\"%s\"\tbw=\"%f\"/>", tmp_link, cluster->limiter_link);
 341
 342       memset(&link, 0, sizeof(link));
 343       link.id = tmp_link;
 344       link.bandwidth = cluster->limiter_link;
 345       link.latency = 0;
 346       link.policy = SURF_LINK_SHARED;
 347       sg_platf_new_link(&link);
 348       info_lim.linkUp = info_lim.linkDown = Link::byName(tmp_link);
 349       free(tmp_link);
 350       xbt_dynar_set(current_as->privateLinks_, rankId * current_as->linkCountPerNode_ + current_as->hasLoopback_ , &info_lim);
 351     }
 352
 353     //call the cluster function that adds the others links
 354     if (cluster->topology == SURF_CLUSTER_FAT_TREE) {
 355       ((AsClusterFatTree*) current_as)->addProcessingNode(i);
 356     }
 357     else {
 358       current_as->create_links_for_node(cluster, i, rankId,
 359           rankId*current_as->linkCountPerNode_ + current_as->hasLoopback_ + current_as->hasLimiter_ );
 360     }
 361     xbt_free(link_id);
 362     xbt_free(host_id);
 363     rankId++;
 364   }
 365   delete radicals;
 366
 367   // Add a router. It is magically used thanks to the way in which surf_routing_cluster is written,
 368   // and it's very useful to connect clusters together
 369   XBT_DEBUG(" ");
 370   XBT_DEBUG("<router id=\"%s\"/>", cluster->router_id);
 371   char *newid = nullptr;
 372   s_sg_platf_router_cbarg_t router;
 373   memset(&router, 0, sizeof(router));
 374   router.id = cluster->router_id;
 375   if (!router.id || !strcmp(router.id, ""))
 376     router.id = newid = bprintf("%s%s_router%s", cluster->prefix, cluster->id, cluster->suffix);
 377   sg_platf_new_router(&router);
 378   current_as->router_ = (simgrid::routing::NetCard*) xbt_lib_get_or_null(as_router_lib, router.id, ROUTING_ASR_LEVEL);
 379   free(newid);
 380
 381   //Make the backbone
 382   if ((cluster->bb_bw != 0) || (cluster->bb_lat != 0)) {
 383
 384     memset(&link, 0, sizeof(link));
 385     link.id        = bprintf("%s_backbone", cluster->id);
 386     link.bandwidth = cluster->bb_bw;
 387     link.latency   = cluster->bb_lat;
 388     link.policy    = cluster->bb_sharing_policy;
 389
 390     XBT_DEBUG("<link\tid=\"%s\" bw=\"%f\" lat=\"%f\"/>", link.id, cluster->bb_bw, cluster->bb_lat);
 391     sg_platf_new_link(&link);
 392
 393     routing_cluster_add_backbone(Link::byName(link.id));
 394     free((char*)link.id);
 395   }
 396
 397   XBT_DEBUG("</AS>");
 398   sg_platf_new_AS_seal();
 399
 400   simgrid::surf::on_cluster(cluster);
 401 }
 402 void routing_cluster_add_backbone(simgrid::surf::Link* bb) {
 403   simgrid::routing::AsCluster *cluster = dynamic_cast<simgrid::routing::AsCluster*>(current_routing);
 404
 405   xbt_assert(cluster, "Only hosts from Cluster can get a backbone.");
 406   xbt_assert(nullptr == cluster->backbone_, "Cluster %s already has a backbone link!", cluster->name());
 407
 408   cluster->backbone_ = bb;
 409   XBT_DEBUG("Add a backbone to AS '%s'", current_routing->name());
 410 }
 411
 412 void sg_platf_new_cabinet(sg_platf_cabinet_cbarg_t cabinet)
 413 {
 414   std::vector<int> *radicals = explodesRadical(cabinet->radical);
 415
 416   for (int radical : *radicals) {
 417     char *hostname = bprintf("%s%d%s", cabinet->prefix, radical, cabinet->suffix);
 418     s_sg_platf_host_cbarg_t host;
 419     memset(&host, 0, sizeof(host));
 420     host.pstate           = 0;
 421     host.core_amount      = 1;
 422     host.id               = hostname;
 423     host.speed_per_pstate = xbt_dynar_new(sizeof(double), nullptr);
 424     xbt_dynar_push(host.speed_per_pstate,&cabinet->speed);
 425     sg_platf_new_host(&host);
 426     xbt_dynar_free(&host.speed_per_pstate);
 427
 428     s_sg_platf_link_cbarg_t link;
 429     memset(&link, 0, sizeof(link));
 430     link.policy    = SURF_LINK_FULLDUPLEX;
 431     link.latency   = cabinet->lat;
 432     link.bandwidth = cabinet->bw;
 433     link.id        = bprintf("link_%s",hostname);
 434     sg_platf_new_link(&link);
 435     free((char*)link.id);
 436
 437     s_sg_platf_host_link_cbarg_t host_link;
 438     memset(&host_link, 0, sizeof(host_link));
 439     host_link.id        = hostname;
 440     host_link.link_up   = bprintf("link_%s_UP",hostname);
 441     host_link.link_down = bprintf("link_%s_DOWN",hostname);
 442     sg_platf_new_hostlink(&host_link);
 443     free((char*)host_link.link_up);
 444     free((char*)host_link.link_down);
 445
 446     free(hostname);
 447   }
 448   delete(radicals);
 449 }
 450
 451 void sg_platf_new_storage(sg_platf_storage_cbarg_t storage)
 452 {
 453   xbt_assert(!xbt_lib_get_or_null(storage_lib, storage->id,ROUTING_STORAGE_LEVEL),
 454                "Refusing to add a second storage named \"%s\"", storage->id);
 455
 456   void* stype = xbt_lib_get_or_null(storage_type_lib, storage->type_id,ROUTING_STORAGE_TYPE_LEVEL);
 457   xbt_assert(stype,"No storage type '%s'", storage->type_id);
 458
 459   XBT_DEBUG("ROUTING Create a storage name '%s' with type_id '%s' and content '%s'",
 460       storage->id,
 461       storage->type_id,
 462       storage->content);
 463
 464   xbt_lib_set(storage_lib, storage->id, ROUTING_STORAGE_LEVEL, (void *) xbt_strdup(storage->type_id));
 465
 466   // if storage content is not specified use the content of storage_type if any
 467   if(!strcmp(storage->content,"") && strcmp(((storage_type_t) stype)->content,"")){
 468     storage->content = ((storage_type_t) stype)->content;
 469     storage->content_type = ((storage_type_t) stype)->content_type;
 470     XBT_DEBUG("For disk '%s' content is empty, inherit the content (of type %s) from storage type '%s' ",
 471         storage->id,((storage_type_t) stype)->content_type,
 472         ((storage_type_t) stype)->type_id);
 473   }
 474
 475   XBT_DEBUG("SURF storage create resource\n\t\tid '%s'\n\t\ttype '%s' "
 476       "\n\t\tmodel '%s' \n\t\tcontent '%s'\n\t\tcontent_type '%s' "
 477       "\n\t\tproperties '%p''\n",
 478       storage->id,
 479       ((storage_type_t) stype)->model,
 480       ((storage_type_t) stype)->type_id,
 481       storage->content,
 482       storage->content_type,
 483     storage->properties);
 484
 485   surf_storage_model->createStorage(storage->id,
 486                                      ((storage_type_t) stype)->type_id,
 487                                      storage->content,
 488                                      storage->content_type,
 489                    storage->properties,
 490                                      storage->attach);
 491 }
 492 void sg_platf_new_storage_type(sg_platf_storage_type_cbarg_t storage_type){
 493
 494   xbt_assert(!xbt_lib_get_or_null(storage_type_lib, storage_type->id,ROUTING_STORAGE_TYPE_LEVEL),
 495                "Reading a storage type, processing unit \"%s\" already exists", storage_type->id);
 496
 497   storage_type_t stype = xbt_new0(s_storage_type_t, 1);
 498   stype->model = xbt_strdup(storage_type->model);
 499   stype->properties = storage_type->properties;
 500   stype->content = xbt_strdup(storage_type->content);
 501   stype->content_type = xbt_strdup(storage_type->content_type);
 502   stype->type_id = xbt_strdup(storage_type->id);
 503   stype->size = storage_type->size;
 504   stype->model_properties = storage_type->model_properties;
 505
 506   XBT_DEBUG("ROUTING Create a storage type id '%s' with model '%s', "
 507       "content '%s', and content_type '%s'",
 508       stype->type_id,
 509       stype->model,
 510       storage_type->content,
 511       storage_type->content_type);
 512
 513   xbt_lib_set(storage_type_lib,
 514       stype->type_id,
 515       ROUTING_STORAGE_TYPE_LEVEL,
 516       (void *) stype);
 517 }
 518
 519 static void mount_free(void *p)
 520 {
 521   mount_t mnt = (mount_t) p;
 522   xbt_free(mnt->name);
 523 }
 524
 525 void sg_platf_new_mount(sg_platf_mount_cbarg_t mount){
 526   xbt_assert(xbt_lib_get_or_null(storage_lib, mount->storageId, ROUTING_STORAGE_LEVEL),
 527       "Cannot mount non-existent disk \"%s\"", mount->storageId);
 528
 529   XBT_DEBUG("ROUTING Mount '%s' on '%s'",mount->storageId, mount->name);
 530
 531   s_mount_t mnt;
 532   mnt.storage = surf_storage_resource_priv(surf_storage_resource_by_name(mount->storageId));
 533   mnt.name = xbt_strdup(mount->name);
 534
 535   if(!mount_list){
 536     XBT_DEBUG("Create a Mount list for %s",A_surfxml_host_id);
 537     mount_list = xbt_dynar_new(sizeof(s_mount_t), mount_free);
 538   }
 539   xbt_dynar_push(mount_list, &mnt);
 540 }
 541
 542 void sg_platf_new_route(sg_platf_route_cbarg_t route)
 543 {
 544   routing_get_current()->addRoute(route);
 545 }
 546
 547 void sg_platf_new_bypassRoute(sg_platf_route_cbarg_t bypassRoute)
 548 {
 549   routing_get_current()->addBypassRoute(bypassRoute);
 550 }
 551
 552 void sg_platf_new_process(sg_platf_process_cbarg_t process)
 553 {
 554   sg_host_t host = sg_host_by_name(process->host);
 555   if (!host) {
 556     // The requested host does not exist. Do a nice message to the user
 557     char *tmp = bprintf("Cannot create process '%s': host '%s' does not exist\nExisting hosts: '",process->function, process->host);
 558     xbt_strbuff_t msg = xbt_strbuff_new_from(tmp);
 559     free(tmp);
 560     xbt_dynar_t all_hosts = xbt_dynar_sort_strings(sg_hosts_as_dynar());
 561     simgrid::s4u::Host* host;
 562     unsigned int cursor;
 563     xbt_dynar_foreach(all_hosts,cursor, host) {
 564       xbt_strbuff_append(msg,host->name().c_str());
 565       xbt_strbuff_append(msg,"', '");
 566       if (msg->used > 1024) {
 567         msg->data[msg->used-3]='\0';
 568         msg->used -= 3;
 569
 570         xbt_strbuff_append(msg," ...(list truncated)......");// That will be shortened by 3 chars when existing the loop
 571       }
 572     }
 573     msg->data[msg->used-3]='\0';
 574     xbt_die("%s", msg->data);
 575   }
 576   xbt_main_func_t parse_code = SIMIX_get_registered_function(process->function);
 577   xbt_assert(parse_code, "Function '%s' unknown", process->function);
 578
 579   double start_time = process->start_time;
 580   double kill_time  = process->kill_time;
 581   int auto_restart = process->on_failure == SURF_PROCESS_ON_FAILURE_DIE ? 0 : 1;
 582
 583   std::function<void()> code = simgrid::xbt::wrapMain(parse_code, process->argc, process->argv);
 584
 585   smx_process_arg_t arg = nullptr;
 586   smx_process_t process_created = nullptr;
 587
 588   arg = new simgrid::simix::ProcessArg();
 589   arg->name = std::string(process->argv[0]);
 590   arg->code = code;
 591   arg->data = nullptr;
 592   arg->hostname = sg_host_get_name(host);
 593   arg->kill_time = kill_time;
 594   arg->properties = current_property_set;
 595   if (!sg_host_simix(host)->boot_processes)
 596     sg_host_simix(host)->boot_processes = xbt_dynar_new(sizeof(smx_process_arg_t), _SIMIX_host_free_process_arg);
 597
 598   xbt_dynar_push_as(sg_host_simix(host)->boot_processes,smx_process_arg_t,arg);
 599
 600   if (start_time > SIMIX_get_clock()) {
 601
 602     arg = new simgrid::simix::ProcessArg();
 603     arg->name = std::string(process->argv[0]);
 604     arg->code = std::move(code);
 605     arg->data = nullptr;
 606     arg->hostname = sg_host_get_name(host);
 607     arg->kill_time = kill_time;
 608     arg->properties = current_property_set;
 609
 610     XBT_DEBUG("Process %s(%s) will be started at time %f",
 611       arg->name.c_str(), arg->hostname, start_time);
 612     SIMIX_timer_set(start_time, [=]() {
 613       simix_global->create_process_function(
 614                                             arg->name.c_str(),
 615                                             std::move(arg->code),
 616                                             arg->data,
 617                                             arg->hostname,
 618                                             arg->kill_time,
 619                                             arg->properties,
 620                                             arg->auto_restart,
 621                                             nullptr);
 622       delete arg;
 623     });
 624   } else {                      // start_time <= SIMIX_get_clock()
 625     XBT_DEBUG("Starting Process %s(%s) right now",
 626       arg->name.c_str(), sg_host_get_name(host));
 627
 628     if (simix_global->create_process_function)
 629       process_created = simix_global->create_process_function(
 630           arg->name.c_str(), std::move(code), nullptr,
 631           sg_host_get_name(host), kill_time,
 632           current_property_set, auto_restart, nullptr);
 633     else
 634       process_created = simcall_process_create(
 635           arg->name.c_str(), std::move(code), nullptr, sg_host_get_name(host), kill_time,
 636           current_property_set,auto_restart);
 637
 638     /* verify if process has been created (won't be the case if the host is currently dead, but that's fine) */
 639     if (!process_created) {
 640       return;
 641     }
 642   }
 643   current_property_set = nullptr;
 644 }
 645
 646 void sg_platf_new_peer(sg_platf_peer_cbarg_t peer)
 647 {
 648   using simgrid::routing::NetCard;
 649   using simgrid::routing::AsCluster;
 650
 651   char *host_id = bprintf("peer_%s", peer->id);
 652   char *router_id = bprintf("router_%s", peer->id);
 653
 654   XBT_DEBUG(" ");
 655
 656   XBT_DEBUG("<AS id=\"%s\"\trouting=\"Cluster\">", peer->id);
 657   s_sg_platf_AS_cbarg_t AS;
 658   AS.id      = peer->id;
 659   AS.routing = A_surfxml_AS_routing_Cluster;
 660   sg_platf_new_AS_begin(&AS);
 661
 662   XBT_DEBUG("<host\tid=\"%s\"\tpower=\"%f\"/>", host_id, peer->speed);
 663   s_sg_platf_host_cbarg_t host;
 664   memset(&host, 0, sizeof(host));
 665   host.id = host_id;
 666
 667   host.speed_per_pstate = xbt_dynar_new(sizeof(double), nullptr);
 668   xbt_dynar_push(host.speed_per_pstate,&peer->speed);
 669   host.pstate = 0;
 670   host.speed_trace = peer->availability_trace;
 671   host.state_trace = peer->state_trace;
 672   host.core_amount = 1;
 673   sg_platf_new_host(&host);
 674   xbt_dynar_free(&host.speed_per_pstate);
 675
 676   s_sg_platf_link_cbarg_t link;
 677   memset(&link, 0, sizeof(link));
 678   link.policy  = SURF_LINK_SHARED;
 679   link.latency = peer->lat;
 680
 681   char* link_up = bprintf("link_%s_UP",peer->id);
 682   XBT_DEBUG("<link\tid=\"%s\"\tbw=\"%f\"\tlat=\"%f\"/>", link_up, peer->bw_out, peer->lat);
 683   link.id = link_up;
 684   link.bandwidth = peer->bw_out;
 685   sg_platf_new_link(&link);
 686
 687   char* link_down = bprintf("link_%s_DOWN",peer->id);
 688   XBT_DEBUG("<link\tid=\"%s\"\tbw=\"%f\"\tlat=\"%f\"/>", link_down, peer->bw_in, peer->lat);
 689   link.id = link_down;
 690   link.bandwidth = peer->bw_in;
 691   sg_platf_new_link(&link);
 692
 693   XBT_DEBUG("<host_link\tid=\"%s\"\tup=\"%s\"\tdown=\"%s\" />", host_id,link_up,link_down);
 694   s_sg_platf_host_link_cbarg_t host_link;
 695   memset(&host_link, 0, sizeof(host_link));
 696   host_link.id        = host_id;
 697   host_link.link_up   = link_up;
 698   host_link.link_down = link_down;
 699   sg_platf_new_hostlink(&host_link);
 700   free(link_up);
 701   free(link_down);
 702
 703   XBT_DEBUG("<router id=\"%s\"/>", router_id);
 704   s_sg_platf_router_cbarg_t router;
 705   memset(&router, 0, sizeof(router));
 706   router.id = router_id;
 707   router.coord = peer->coord;
 708   sg_platf_new_router(&router);
 709   static_cast<AsCluster*>(current_routing)->router_ = static_cast<NetCard*>(xbt_lib_get_or_null(as_router_lib, router.id, ROUTING_ASR_LEVEL));
 710
 711   XBT_DEBUG("</AS>");
 712   sg_platf_new_AS_seal();
 713   XBT_DEBUG(" ");
 714
 715   free(router_id);
 716   free(host_id);
 717 }
 718
 719 void sg_platf_begin() { /* Do nothing: just for symmetry of user code */ }
 720
 721 void sg_platf_end() {
 722   simgrid::surf::on_postparse();
 723 }
 724
 725 /* Pick the right models for CPU, net and host, and call their model_init_preparse */
 726 static void surf_config_models_setup()
 727 {
 728   const char *host_model_name;
 729   const char *vm_model_name;
 730   int host_id = -1;
 731   int vm_id = -1;
 732   char *network_model_name = nullptr;
 733   char *cpu_model_name = nullptr;
 734   int storage_id = -1;
 735   char *storage_model_name = nullptr;
 736
 737   host_model_name    = xbt_cfg_get_string("host/model");
 738   vm_model_name      = xbt_cfg_get_string("vm/model");
 739   network_model_name = xbt_cfg_get_string("network/model");
 740   cpu_model_name     = xbt_cfg_get_string("cpu/model");
 741   storage_model_name = xbt_cfg_get_string("storage/model");
 742
 743   /* Check whether we use a net/cpu model differing from the default ones, in which case
 744    * we should switch to the "compound" host model to correctly dispatch stuff to
 745    * the right net/cpu models.
 746    */
 747
 748   if ((!xbt_cfg_is_default_value("network/model") ||
 749        !xbt_cfg_is_default_value("cpu/model")) &&
 750       xbt_cfg_is_default_value("host/model")) {
 751     host_model_name = "compound";
 752     xbt_cfg_set_string("host/model", host_model_name);
 753   }
 754
 755   XBT_DEBUG("host model: %s", host_model_name);
 756   host_id = find_model_description(surf_host_model_description, host_model_name);
 757   if (!strcmp(host_model_name, "compound")) {
 758     int network_id = -1;
 759     int cpu_id = -1;
 760
 761     xbt_assert(cpu_model_name,
 762                 "Set a cpu model to use with the 'compound' host model");
 763
 764     xbt_assert(network_model_name,
 765                 "Set a network model to use with the 'compound' host model");
 766
 767     if(surf_cpu_model_init_preparse){
 768       surf_cpu_model_init_preparse();
 769     } else {
 770       cpu_id =
 771           find_model_description(surf_cpu_model_description, cpu_model_name);
 772       surf_cpu_model_description[cpu_id].model_init_preparse();
 773     }
 774
 775     network_id =
 776         find_model_description(surf_network_model_description,
 777                                network_model_name);
 778     surf_network_model_description[network_id].model_init_preparse();
 779   }
 780
 781   XBT_DEBUG("Call host_model_init");
 782   surf_host_model_description[host_id].model_init_preparse();
 783
 784   XBT_DEBUG("Call vm_model_init");
 785   vm_id = find_model_description(surf_vm_model_description, vm_model_name);
 786   surf_vm_model_description[vm_id].model_init_preparse();
 787
 788   XBT_DEBUG("Call storage_model_init");
 789   storage_id = find_model_description(surf_storage_model_description, storage_model_name);
 790   surf_storage_model_description[storage_id].model_init_preparse();
 791
 792 }
 793
 794 /**
 795  * \brief Make a new routing component to the platform
 796  *
 797  * Add a new autonomous system to the platform. Any elements (such as host,
 798  * router or sub-AS) added after this call and before the corresponding call
 799  * to sg_platf_new_AS_seal() will be added to this AS.
 800  *
 801  * Once this function was called, the configuration concerning the used
 802  * models cannot be changed anymore.
 803  *
 804  * @param AS the parameters defining the AS to build.
 805  */
 806 simgrid::s4u::As * sg_platf_new_AS_begin(sg_platf_AS_cbarg_t AS)
 807 {
 808   if (!surf_parse_models_setup_already_called) {
 809     /* Initialize the surf models. That must be done after we got all config, and before we need the models.
 810      * That is, after the last <config> tag, if any, and before the first of cluster|peer|AS|trace|trace_connect
 811      *
 812      * I'm not sure for <trace> and <trace_connect>, there may be a bug here
 813      * (FIXME: check it out by creating a file beginning with one of these tags)
 814      * but cluster and peer create ASes internally, so putting the code in there is ok.
 815      */
 816     surf_parse_models_setup_already_called = 1;
 817     surf_config_models_setup();
 818   }
 819
 820   xbt_assert(nullptr == xbt_lib_get_or_null(as_router_lib, AS->id, ROUTING_ASR_LEVEL),
 821       "Refusing to create a second AS called \"%s\".", AS->id);
 822
 823   _sg_cfg_init_status = 2; /* HACK: direct access to the global controlling the level of configuration to prevent
 824                             * any further config now that we created some real content */
 825
 826
 827   /* search the routing model */
 828   simgrid::routing::AsImpl *new_as = nullptr;
 829   switch(AS->routing){
 830     case A_surfxml_AS_routing_Cluster:        new_as = new simgrid::routing::AsCluster(AS->id);        break;
 831     case A_surfxml_AS_routing_ClusterDragonfly:   new_as = new simgrid::routing::AsClusterDragonfly(AS->id);   break;
 832     case A_surfxml_AS_routing_ClusterTorus:   new_as = new simgrid::routing::AsClusterTorus(AS->id);   break;
 833     case A_surfxml_AS_routing_ClusterFatTree: new_as = new simgrid::routing::AsClusterFatTree(AS->id); break;
 834     case A_surfxml_AS_routing_Dijkstra:       new_as = new simgrid::routing::AsDijkstra(AS->id, 0);    break;
 835     case A_surfxml_AS_routing_DijkstraCache:  new_as = new simgrid::routing::AsDijkstra(AS->id, 1);    break;
 836     case A_surfxml_AS_routing_Floyd:          new_as = new simgrid::routing::AsFloyd(AS->id);          break;
 837     case A_surfxml_AS_routing_Full:           new_as = new simgrid::routing::AsFull(AS->id);           break;
 838     case A_surfxml_AS_routing_None:           new_as = new simgrid::routing::AsNone(AS->id);           break;
 839     case A_surfxml_AS_routing_Vivaldi:        new_as = new simgrid::routing::AsVivaldi(AS->id);        break;
 840     default:                                  xbt_die("Not a valid model!");                        break;
 841   }
 842
 843   /* make a new routing component */
 844   simgrid::routing::NetCard *netcard = new simgrid::routing::NetCardImpl(new_as->name(), simgrid::routing::NetCard::Type::As, current_routing);
 845
 846   if (current_routing == nullptr && routing_platf->root_ == nullptr) { /* it is the first one */
 847     routing_platf->root_ = new_as;
 848   } else if (current_routing != nullptr && routing_platf->root_ != nullptr) {
 849
 850     xbt_assert(!xbt_dict_get_or_null(current_routing->children(), AS->id),
 851                "The AS \"%s\" already exists", AS->id);
 852     /* it is a part of the tree */
 853     new_as->father_ = current_routing;
 854     /* set the father behavior */
 855     if (current_routing->hierarchy_ == simgrid::routing::AsImpl::RoutingMode::unset)
 856       current_routing->hierarchy_ = simgrid::routing::AsImpl::RoutingMode::recursive;
 857     /* add to the sons dictionary */
 858     xbt_dict_set(current_routing->children(), AS->id, (void *) new_as, nullptr);
 859   } else {
 860     THROWF(arg_error, 0, "All defined components must belong to a AS");
 861   }
 862
 863   xbt_lib_set(as_router_lib, netcard->name(), ROUTING_ASR_LEVEL, (void *) netcard);
 864   XBT_DEBUG("Having set name '%s' id '%d'", new_as->name(), netcard->id());
 865
 866   /* set the new current component of the tree */
 867   current_routing = new_as;
 868   current_routing->netcard_ = netcard;
 869
 870   simgrid::routing::asCreatedCallbacks(new_as);
 871   if (TRACE_is_enabled())
 872     sg_instr_AS_begin(AS);
 873
 874   return new_as;
 875 }
 876
 877 /**
 878  * \brief Specify that the description of the current AS is finished
 879  *
 880  * Once you've declared all the content of your AS, you have to seal
 881  * it with this call. Your AS is not usable until you call this function.
 882  */
 883 void sg_platf_new_AS_seal()
 884 {
 885   xbt_assert(current_routing, "Cannot seal the current AS: none under construction");
 886   current_routing->seal();
 887   current_routing = static_cast<simgrid::routing::AsImpl*>(current_routing->father());
 888
 889   if (TRACE_is_enabled())
 890     sg_instr_AS_end();
 891 }
 892
 893 /** @brief Add a link connecting an host to the rest of its AS (which must be cluster or vivaldi) */
 894 void sg_platf_new_hostlink(sg_platf_host_link_cbarg_t hostlink)
 895 {
 896   simgrid::routing::NetCard *netcard = sg_host_by_name(hostlink->id)->pimpl_netcard;
 897   xbt_assert(netcard, "Host '%s' not found!", hostlink->id);
 898   xbt_assert(dynamic_cast<simgrid::routing::AsCluster*>(current_routing),
 899       "Only hosts from Cluster and Vivaldi ASes can get an host_link.");
 900
 901   s_surf_parsing_link_up_down_t link_up_down;
 902   link_up_down.linkUp = Link::byName(hostlink->link_up);
 903   link_up_down.linkDown = Link::byName(hostlink->link_down);
 904
 905   xbt_assert(link_up_down.linkUp, "Link '%s' not found!",hostlink->link_up);
 906   xbt_assert(link_up_down.linkDown, "Link '%s' not found!",hostlink->link_down);
 907
 908   // If dynar is is greater than netcard id and if the host_link is already defined
 909   auto as_cluster = static_cast<simgrid::routing::AsCluster*>(current_routing);
 910   if((int)xbt_dynar_length(as_cluster->privateLinks_) > netcard->id() &&
 911       xbt_dynar_get_as(as_cluster->privateLinks_, netcard->id(), void*))
 912   surf_parse_error("Host_link for '%s' is already defined!",hostlink->id);
 913
 914   XBT_DEBUG("Push Host_link for host '%s' to position %d", netcard->name(), netcard->id());
 915   xbt_dynar_set_as(as_cluster->privateLinks_, netcard->id(), s_surf_parsing_link_up_down_t, link_up_down);
 916 }