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/signal.hpp>
  13 #include "src/surf/HostImpl.hpp"
  14 #include "surf/surf.h"
  15
  16 #include "src/simix/smx_private.h"
  17
  18 #include "src/include/simgrid/sg_config.h"
  19 #include "src/surf/xml/platf_private.hpp"
  20
  21 #include "src/surf/cpu_interface.hpp"
  22 #include "src/surf/network_interface.hpp"
  23 #include "surf/surf_routing.h" // FIXME: brain dead public header
  24
  25 #include "src/surf/AsImpl.hpp"
  26 #include "src/surf/AsCluster.hpp"
  27 #include "src/surf/AsClusterTorus.hpp"
  28 #include "src/surf/AsClusterFatTree.hpp"
  29 #include "src/surf/AsDijkstra.hpp"
  30 #include "src/surf/AsFloyd.hpp"
  31 #include "src/surf/AsFull.hpp"
  32 #include "src/surf/AsNone.hpp"
  33 #include "src/surf/AsVivaldi.hpp"
  34
  35 XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(surf_parse);
  36
  37 XBT_PRIVATE xbt_dynar_t mount_list = NULL;
  38
  39 namespace simgrid {
  40 namespace surf {
  41
  42 simgrid::xbt::signal<void(sg_platf_link_cbarg_t)> on_link;
  43 simgrid::xbt::signal<void(sg_platf_cluster_cbarg_t)> on_cluster;
  44 simgrid::xbt::signal<void(void)> on_postparse;
  45
  46 }
  47 }
  48
  49 static int surf_parse_models_setup_already_called = 0;
  50
  51 /** The current AS in the parsing */
  52 static simgrid::surf::AsImpl *current_routing = NULL;
  53 static simgrid::surf::AsImpl* routing_get_current()
  54 {
  55   return current_routing;
  56 }
  57
  58 /** Module management function: creates all internal data structures */
  59 void sg_platf_init(void) {
  60 }
  61
  62 /** Module management function: frees all internal data structures */
  63 void sg_platf_exit(void) {
  64   simgrid::surf::on_link.disconnect_all_slots();
  65   simgrid::surf::on_cluster.disconnect_all_slots();
  66   simgrid::surf::on_postparse.disconnect_all_slots();
  67
  68   /* make sure that we will reinit the models while loading the platf once reinited */
  69   surf_parse_models_setup_already_called = 0;
  70   surf_parse_lex_destroy();
  71 }
  72
  73 /** @brief Add an "host" to the current AS */
  74 void sg_platf_new_host(sg_platf_host_cbarg_t host)
  75 {
  76   xbt_assert(! sg_host_by_name(host->id), "Refusing to create a second host named '%s'.", host->id);
  77
  78   simgrid::surf::AsImpl* current_routing = routing_get_current();
  79   if (current_routing->hierarchy_ == simgrid::surf::AsImpl::RoutingMode::unset)
  80     current_routing->hierarchy_ = simgrid::surf::AsImpl::RoutingMode::base;
  81
  82   simgrid::surf::NetCard *netcard =
  83       new simgrid::surf::NetCardImpl(host->id, simgrid::surf::NetCard::Type::Host, current_routing);
  84
  85   sg_host_t h = simgrid::s4u::Host::by_name_or_create(host->id);
  86   h->pimpl_netcard = netcard;
  87
  88   if(mount_list){
  89     xbt_lib_set(storage_lib, host->id, ROUTING_STORAGE_HOST_LEVEL, (void *) mount_list);
  90     mount_list = NULL;
  91   }
  92
  93   if (host->coord && strcmp(host->coord, "")) {
  94     unsigned int cursor;
  95     char*str;
  96
  97     xbt_assert(COORD_HOST_LEVEL, "To use host coordinates, please add --cfg=network/coordinates:yes to your command line");
  98     /* Pre-parse the host coordinates -- FIXME factorize with routers by overloading the routing->parse_PU function*/
  99     xbt_dynar_t ctn_str = xbt_str_split_str(host->coord, " ");
 100     xbt_dynar_t ctn = xbt_dynar_new(sizeof(double),NULL);
 101     xbt_dynar_foreach(ctn_str,cursor, str) {
 102       double val = xbt_str_parse_double(str, "Invalid coordinate: %s");
 103       xbt_dynar_push(ctn,&val);
 104     }
 105     xbt_dynar_shrink(ctn, 0);
 106     xbt_dynar_free(&ctn_str);
 107     h->extension_set(COORD_HOST_LEVEL, (void *) ctn);
 108     XBT_DEBUG("Having set host coordinates for '%s'",host->id);
 109   }
 110
 111   simgrid::surf::Cpu *cpu = surf_cpu_model_pm->createCpu( h,
 112       host->speed_per_pstate,
 113       host->core_amount);
 114   if (host->state_trace)
 115     cpu->setStateTrace(host->state_trace);
 116   if (host->speed_trace)
 117     cpu->setSpeedTrace(host->speed_trace);
 118   surf_host_model->createHost(host->id, netcard, cpu, host->properties)->attach(h);
 119
 120   if (host->pstate != 0)
 121     cpu->setPState(host->pstate);
 122
 123   simgrid::s4u::Host::onCreation(*h);
 124
 125   if (TRACE_is_enabled() && TRACE_needs_platform())
 126     sg_instr_new_host(host);
 127 }
 128
 129 /**
 130  * \brief Add a "router" to the network element list
 131  */
 132 void sg_platf_new_router(sg_platf_router_cbarg_t router)
 133 {
 134   simgrid::surf::AsImpl* current_routing = routing_get_current();
 135
 136   if (current_routing->hierarchy_ == simgrid::surf::AsImpl::RoutingMode::unset)
 137     current_routing->hierarchy_ = simgrid::surf::AsImpl::RoutingMode::base;
 138   xbt_assert(nullptr == xbt_lib_get_or_null(as_router_lib, router->id, ROUTING_ASR_LEVEL),
 139              "Refusing to create a router named '%s': this name already describes a node.", router->id);
 140
 141   simgrid::surf::NetCard *netcard =
 142     new simgrid::surf::NetCardImpl(router->id, simgrid::surf::NetCard::Type::Router, current_routing);
 143   xbt_lib_set(as_router_lib, router->id, ROUTING_ASR_LEVEL, (void *) netcard);
 144   XBT_DEBUG("Having set name '%s' id '%d'", router->id, netcard->id());
 145
 146   if (router->coord && strcmp(router->coord, "")) {
 147     unsigned int cursor;
 148     char*str;
 149
 150     if (!COORD_ASR_LEVEL)
 151       xbt_die ("To use host coordinates, please add --cfg=network/coordinates:yes to your command line");
 152     /* Pre-parse the host coordinates */
 153     xbt_dynar_t ctn_str = xbt_str_split_str(router->coord, " ");
 154     xbt_dynar_t ctn = xbt_dynar_new(sizeof(double),NULL);
 155     xbt_dynar_foreach(ctn_str,cursor, str) {
 156       double val = xbt_str_parse_double(str, "Invalid coordinate: %s");
 157       xbt_dynar_push(ctn,&val);
 158     }
 159     xbt_dynar_shrink(ctn, 0);
 160     xbt_dynar_free(&ctn_str);
 161     xbt_lib_set(as_router_lib, router->id, COORD_ASR_LEVEL, (void *) ctn);
 162     XBT_DEBUG("Having set router coordinates for '%s'",router->id);
 163   }
 164
 165   if (TRACE_is_enabled() && TRACE_needs_platform())
 166     sg_instr_new_router(router);
 167 }
 168
 169 void sg_platf_new_link(sg_platf_link_cbarg_t link){
 170   std::vector<char*> names;
 171
 172   if (link->policy == SURF_LINK_FULLDUPLEX) {
 173     names.push_back(bprintf("%s_UP", link->id));
 174     names.push_back(bprintf("%s_DOWN", link->id));
 175   } else {
 176     names.push_back(xbt_strdup(link->id));
 177   }
 178   for (auto link_name : names) {
 179     Link *l = surf_network_model->createLink(link_name, link->bandwidth, link->latency, link->policy, link->properties);
 180
 181     if (link->latency_trace)
 182       l->setLatencyTrace(link->latency_trace);
 183     if (link->bandwidth_trace)
 184       l->setBandwidthTrace(link->bandwidth_trace);
 185     if (link->state_trace)
 186       l->setStateTrace(link->state_trace);
 187
 188     xbt_free(link_name);
 189   }
 190
 191   simgrid::surf::on_link(link);
 192 }
 193
 194 void sg_platf_new_cluster(sg_platf_cluster_cbarg_t cluster)
 195 {
 196   using simgrid::surf::AsCluster;
 197   using simgrid::surf::AsClusterTorus;
 198   using simgrid::surf::AsClusterFatTree;
 199
 200   char *host_id, *groups, *link_id = NULL;
 201   xbt_dict_t patterns = NULL;
 202   int rankId=0;
 203
 204   s_sg_platf_host_cbarg_t host = SG_PLATF_HOST_INITIALIZER;
 205   s_sg_platf_link_cbarg_t link = SG_PLATF_LINK_INITIALIZER;
 206
 207   unsigned int iter;
 208
 209   if ((cluster->availability_trace && strcmp(cluster->availability_trace, ""))
 210       || (cluster->state_trace && strcmp(cluster->state_trace, ""))) {
 211     patterns = xbt_dict_new_homogeneous(xbt_free_f);
 212     xbt_dict_set(patterns, "id", xbt_strdup(cluster->id), NULL);
 213     xbt_dict_set(patterns, "prefix", xbt_strdup(cluster->prefix), NULL);
 214     xbt_dict_set(patterns, "suffix", xbt_strdup(cluster->suffix), NULL);
 215   }
 216
 217   /* Parse the topology attributes.
 218    * Nothing to do in a vanilla cluster, but that's another story for torus and flat_trees */
 219   s_sg_platf_AS_cbarg_t AS = SG_PLATF_AS_INITIALIZER;
 220   AS.id = cluster->id;
 221
 222   switch (cluster->topology) {
 223   case SURF_CLUSTER_TORUS:
 224     AS.routing = A_surfxml_AS_routing_ClusterTorus;
 225     break;
 226   case SURF_CLUSTER_FAT_TREE:
 227     AS.routing = A_surfxml_AS_routing_ClusterFatTree;
 228     break;
 229   default:
 230     AS.routing = A_surfxml_AS_routing_Cluster;
 231     break;
 232   }
 233
 234   // What an inventive way of initializing the AS that I have as ancestor :-(
 235   sg_platf_new_AS_begin(&AS);
 236   simgrid::surf::AsImpl *current_routing = routing_get_current();
 237   static_cast<AsCluster*>(current_routing)->parse_specific_arguments(cluster);
 238
 239   if(cluster->loopback_bw!=0 || cluster->loopback_lat!=0){
 240       ((AsCluster*)current_routing)->nb_links_per_node_++;
 241       ((AsCluster*)current_routing)->has_loopback_=1;
 242   }
 243
 244   if(cluster->limiter_link!=0){
 245       ((AsCluster*)current_routing)->nb_links_per_node_++;
 246       ((AsCluster*)current_routing)->has_limiter_=1;
 247   }
 248
 249
 250   //Make all hosts
 251   xbt_dynar_t radical_elements = xbt_str_split(cluster->radical, ",");
 252   xbt_dynar_foreach(radical_elements, iter, groups) {
 253
 254     xbt_dynar_t radical_ends = xbt_str_split(groups, "-");
 255     int start = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 0, char *));
 256     int end;
 257
 258     switch (xbt_dynar_length(radical_ends)) {
 259     case 1:
 260       end = start;
 261       break;
 262     case 2:
 263       end = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 1, char *));
 264       break;
 265     default:
 266       surf_parse_error("Malformed radical");
 267       break;
 268     }
 269     for (int i = start; i <= end; i++) {
 270       host_id = bprintf("%s%d%s", cluster->prefix, i, cluster->suffix);
 271       link_id = bprintf("%s_link_%d", cluster->id, i);
 272
 273       XBT_DEBUG("<host\tid=\"%s\"\tpower=\"%f\">", host_id, cluster->speed);
 274
 275       memset(&host, 0, sizeof(host));
 276       host.id = host_id;
 277       if ((cluster->properties != NULL) && (!xbt_dict_is_empty(cluster->properties))) {
 278         xbt_dict_cursor_t cursor=NULL;
 279         char *key,*data;
 280         host.properties = xbt_dict_new();
 281
 282         xbt_dict_foreach(cluster->properties,cursor,key,data) {
 283           xbt_dict_set(host.properties, key, xbt_strdup(data),free);
 284         }
 285       }
 286       if (cluster->availability_trace && strcmp(cluster->availability_trace, "")) {
 287         xbt_dict_set(patterns, "radical", bprintf("%d", i), NULL);
 288         char *avail_file = xbt_str_varsubst(cluster->availability_trace, patterns);
 289         XBT_DEBUG("\tavailability_file=\"%s\"", avail_file);
 290         if (avail_file && avail_file[0])
 291           host.speed_trace = tmgr_trace_new_from_file(avail_file);
 292         xbt_free(avail_file);
 293       } else {
 294         XBT_DEBUG("\tavailability_file=\"\"");
 295       }
 296
 297       if (cluster->state_trace && strcmp(cluster->state_trace, "")) {
 298         char *avail_file = xbt_str_varsubst(cluster->state_trace, patterns);
 299         XBT_DEBUG("\tstate_file=\"%s\"", avail_file);
 300         if (avail_file && avail_file[0])
 301           host.state_trace = tmgr_trace_new_from_file(avail_file);
 302         xbt_free(avail_file);
 303       } else {
 304         XBT_DEBUG("\tstate_file=\"\"");
 305       }
 306
 307       host.speed_per_pstate = xbt_dynar_new(sizeof(double), NULL);
 308       xbt_dynar_push(host.speed_per_pstate,&cluster->speed);
 309       host.pstate = 0;
 310
 311       //host.power_peak = cluster->power;
 312       host.core_amount = cluster->core_amount;
 313       host.coord = "";
 314       sg_platf_new_host(&host);
 315       xbt_dynar_free(&host.speed_per_pstate);
 316       XBT_DEBUG("</host>");
 317
 318       XBT_DEBUG("<link\tid=\"%s\"\tbw=\"%f\"\tlat=\"%f\"/>", link_id,
 319                 cluster->bw, cluster->lat);
 320
 321
 322       s_surf_parsing_link_up_down_t info_lim, info_loop;
 323       // All links are saved in a matrix;
 324       // every row describes a single node; every node
 325       // may have multiple links.
 326       // the first column may store a link from x to x if p_has_loopback is set
 327       // the second column may store a limiter link if p_has_limiter is set
 328       // other columns are to store one or more link for the node
 329
 330       //add a loopback link
 331       if(cluster->loopback_bw!=0 || cluster->loopback_lat!=0){
 332         char *tmp_link = bprintf("%s_loopback", link_id);
 333         XBT_DEBUG("<loopback\tid=\"%s\"\tbw=\"%f\"/>", tmp_link,
 334                 cluster->limiter_link);
 335
 336
 337         memset(&link, 0, sizeof(link));
 338         link.id        = tmp_link;
 339         link.bandwidth = cluster->loopback_bw;
 340         link.latency   = cluster->loopback_lat;
 341         link.policy    = SURF_LINK_FATPIPE;
 342         sg_platf_new_link(&link);
 343         info_loop.link_up   = Link::byName(tmp_link);
 344         info_loop.link_down = info_loop.link_up;
 345         free(tmp_link);
 346         auto as_cluster = static_cast<AsCluster*>(current_routing);
 347         xbt_dynar_set(as_cluster->upDownLinks_, rankId*as_cluster->nb_links_per_node_, &info_loop);
 348       }
 349
 350       //add a limiter link (shared link to account for maximal bandwidth of the node)
 351       if(cluster->limiter_link!=0){
 352         char *tmp_link = bprintf("%s_limiter", link_id);
 353         XBT_DEBUG("<limiter\tid=\"%s\"\tbw=\"%f\"/>", tmp_link,
 354                 cluster->limiter_link);
 355
 356
 357         memset(&link, 0, sizeof(link));
 358         link.id = tmp_link;
 359         link.bandwidth = cluster->limiter_link;
 360         link.latency = 0;
 361         link.policy = SURF_LINK_SHARED;
 362         sg_platf_new_link(&link);
 363         info_lim.link_up = Link::byName(tmp_link);
 364         info_lim.link_down = info_lim.link_up;
 365         free(tmp_link);
 366         auto as_cluster = static_cast<AsCluster*>(current_routing);
 367         xbt_dynar_set(as_cluster->upDownLinks_, rankId*(as_cluster)->nb_links_per_node_ + as_cluster->has_loopback_ , &info_lim);
 368
 369       }
 370
 371
 372       //call the cluster function that adds the others links
 373       if (cluster->topology == SURF_CLUSTER_FAT_TREE) {
 374         ((AsClusterFatTree*) current_routing)->addProcessingNode(i);
 375       }
 376       else {
 377       static_cast<AsCluster*>(current_routing)->create_links_for_node(cluster, i, rankId, rankId*
 378           static_cast<AsCluster*>(current_routing)->nb_links_per_node_
 379           + static_cast<AsCluster*>(current_routing)->has_loopback_
 380           + static_cast<AsCluster*>(current_routing)->has_limiter_ );
 381       }
 382       xbt_free(link_id);
 383       xbt_free(host_id);
 384       rankId++;
 385     }
 386
 387     xbt_dynar_free(&radical_ends);
 388   }
 389   xbt_dynar_free(&radical_elements);
 390
 391   // For fat trees, the links must be created once all nodes have been added
 392   if(cluster->topology == SURF_CLUSTER_FAT_TREE) {
 393     static_cast<simgrid::surf::AsClusterFatTree*>(current_routing)->create_links();
 394   }
 395   // Add a router. It is magically used thanks to the way in which surf_routing_cluster is written,
 396   // and it's very useful to connect clusters together
 397   XBT_DEBUG(" ");
 398   XBT_DEBUG("<router id=\"%s\"/>", cluster->router_id);
 399   char *newid = NULL;
 400   s_sg_platf_router_cbarg_t router = SG_PLATF_ROUTER_INITIALIZER;
 401   memset(&router, 0, sizeof(router));
 402   router.id = cluster->router_id;
 403   router.coord = "";
 404   if (!router.id || !strcmp(router.id, ""))
 405     router.id = newid =
 406         bprintf("%s%s_router%s", cluster->prefix, cluster->id,
 407                 cluster->suffix);
 408   sg_platf_new_router(&router);
 409   ((AsCluster*)current_routing)->router_ = (simgrid::surf::NetCard*) xbt_lib_get_or_null(as_router_lib, router.id, ROUTING_ASR_LEVEL);
 410   free(newid);
 411
 412   //Make the backbone
 413   if ((cluster->bb_bw != 0) || (cluster->bb_lat != 0)) {
 414     char *link_backbone = bprintf("%s_backbone", cluster->id);
 415     XBT_DEBUG("<link\tid=\"%s\" bw=\"%f\" lat=\"%f\"/>", link_backbone,
 416               cluster->bb_bw, cluster->bb_lat);
 417
 418     memset(&link, 0, sizeof(link));
 419     link.id        = link_backbone;
 420     link.bandwidth = cluster->bb_bw;
 421     link.latency   = cluster->bb_lat;
 422     link.policy    = cluster->bb_sharing_policy;
 423
 424     sg_platf_new_link(&link);
 425
 426     routing_cluster_add_backbone(Link::byName(link_backbone));
 427
 428     free(link_backbone);
 429   }
 430
 431   XBT_DEBUG("</AS>");
 432   sg_platf_new_AS_end();
 433   XBT_DEBUG(" ");
 434   xbt_dict_free(&patterns); // no op if it were never set
 435
 436   simgrid::surf::on_cluster(cluster);
 437 }
 438 void routing_cluster_add_backbone(simgrid::surf::Link* bb) {
 439   simgrid::surf::AsCluster *cluster = dynamic_cast<simgrid::surf::AsCluster*>(current_routing);
 440
 441   xbt_assert(cluster, "Only hosts from Cluster can get a backbone.");
 442   xbt_assert(nullptr == cluster->backbone_, "Cluster %s already has a backbone link!", cluster->name());
 443
 444   cluster->backbone_ = bb;
 445   XBT_DEBUG("Add a backbone to AS '%s'", current_routing->name());
 446 }
 447
 448 void sg_platf_new_cabinet(sg_platf_cabinet_cbarg_t cabinet)
 449 {
 450   int start, end, i;
 451   char *groups , *host_id , *link_id = NULL;
 452   unsigned int iter;
 453   xbt_dynar_t radical_elements;
 454   xbt_dynar_t radical_ends;
 455
 456   //Make all hosts
 457   radical_elements = xbt_str_split(cabinet->radical, ",");
 458   xbt_dynar_foreach(radical_elements, iter, groups) {
 459
 460     radical_ends = xbt_str_split(groups, "-");
 461     start = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 0, char *));
 462
 463     switch (xbt_dynar_length(radical_ends)) {
 464     case 1:
 465       end = start;
 466       break;
 467     case 2:
 468       end = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 1, char *));
 469       break;
 470     default:
 471       surf_parse_error("Malformed radical");
 472       break;
 473     }
 474     s_sg_platf_host_cbarg_t host = SG_PLATF_HOST_INITIALIZER;
 475     memset(&host, 0, sizeof(host));
 476     host.pstate        = 0;
 477     host.core_amount   = 1;
 478
 479     s_sg_platf_link_cbarg_t link = SG_PLATF_LINK_INITIALIZER;
 480     memset(&link, 0, sizeof(link));
 481     link.policy    = SURF_LINK_FULLDUPLEX;
 482     link.latency   = cabinet->lat;
 483     link.bandwidth = cabinet->bw;
 484
 485     s_sg_platf_host_link_cbarg_t host_link = SG_PLATF_HOST_LINK_INITIALIZER;
 486     memset(&host_link, 0, sizeof(host_link));
 487
 488     for (i = start; i <= end; i++) {
 489       host_id                      = bprintf("%s%d%s",cabinet->prefix,i,cabinet->suffix);
 490       link_id                      = bprintf("link_%s%d%s",cabinet->prefix,i,cabinet->suffix);
 491       host.id                      = host_id;
 492       link.id                      = link_id;
 493       host.speed_per_pstate = xbt_dynar_new(sizeof(double), NULL);
 494       xbt_dynar_push(host.speed_per_pstate,&cabinet->speed);
 495       sg_platf_new_host(&host);
 496       xbt_dynar_free(&host.speed_per_pstate);
 497       sg_platf_new_link(&link);
 498
 499       char* link_up       = bprintf("%s_UP",link_id);
 500       char* link_down     = bprintf("%s_DOWN",link_id);
 501       host_link.id        = host_id;
 502       host_link.link_up   = link_up;
 503       host_link.link_down = link_down;
 504       sg_platf_new_hostlink(&host_link);
 505
 506       free(host_id);
 507       free(link_id);
 508       free(link_up);
 509       free(link_down);
 510     }
 511
 512     xbt_dynar_free(&radical_ends);
 513   }
 514   xbt_dynar_free(&radical_elements);
 515 }
 516
 517 void sg_platf_new_storage(sg_platf_storage_cbarg_t storage)
 518 {
 519   xbt_assert(!xbt_lib_get_or_null(storage_lib, storage->id,ROUTING_STORAGE_LEVEL),
 520                "Refusing to add a second storage named \"%s\"", storage->id);
 521
 522   void* stype = xbt_lib_get_or_null(storage_type_lib, storage->type_id,ROUTING_STORAGE_TYPE_LEVEL);
 523   xbt_assert(stype,"No storage type '%s'", storage->type_id);
 524
 525   XBT_DEBUG("ROUTING Create a storage name '%s' with type_id '%s' and content '%s'",
 526       storage->id,
 527       storage->type_id,
 528       storage->content);
 529
 530   xbt_lib_set(storage_lib, storage->id, ROUTING_STORAGE_LEVEL, (void *) xbt_strdup(storage->type_id));
 531
 532   // if storage content is not specified use the content of storage_type if any
 533   if(!strcmp(storage->content,"") && strcmp(((storage_type_t) stype)->content,"")){
 534     storage->content = ((storage_type_t) stype)->content;
 535     storage->content_type = ((storage_type_t) stype)->content_type;
 536     XBT_DEBUG("For disk '%s' content is empty, inherit the content (of type %s) from storage type '%s' ",
 537         storage->id,((storage_type_t) stype)->content_type,
 538         ((storage_type_t) stype)->type_id);
 539   }
 540
 541   XBT_DEBUG("SURF storage create resource\n\t\tid '%s'\n\t\ttype '%s' "
 542       "\n\t\tmodel '%s' \n\t\tcontent '%s'\n\t\tcontent_type '%s' "
 543       "\n\t\tproperties '%p''\n",
 544       storage->id,
 545       ((storage_type_t) stype)->model,
 546       ((storage_type_t) stype)->type_id,
 547       storage->content,
 548       storage->content_type,
 549     storage->properties);
 550
 551   surf_storage_model->createStorage(storage->id,
 552                                      ((storage_type_t) stype)->type_id,
 553                                      storage->content,
 554                                      storage->content_type,
 555                    storage->properties,
 556                                      storage->attach);
 557 }
 558 void sg_platf_new_storage_type(sg_platf_storage_type_cbarg_t storage_type){
 559
 560   xbt_assert(!xbt_lib_get_or_null(storage_type_lib, storage_type->id,ROUTING_STORAGE_TYPE_LEVEL),
 561                "Reading a storage type, processing unit \"%s\" already exists", storage_type->id);
 562
 563   storage_type_t stype = xbt_new0(s_storage_type_t, 1);
 564   stype->model = xbt_strdup(storage_type->model);
 565   stype->properties = storage_type->properties;
 566   stype->content = xbt_strdup(storage_type->content);
 567   stype->content_type = xbt_strdup(storage_type->content_type);
 568   stype->type_id = xbt_strdup(storage_type->id);
 569   stype->size = storage_type->size;
 570   stype->model_properties = storage_type->model_properties;
 571
 572   XBT_DEBUG("ROUTING Create a storage type id '%s' with model '%s', "
 573       "content '%s', and content_type '%s'",
 574       stype->type_id,
 575       stype->model,
 576       storage_type->content,
 577       storage_type->content_type);
 578
 579   xbt_lib_set(storage_type_lib,
 580       stype->type_id,
 581       ROUTING_STORAGE_TYPE_LEVEL,
 582       (void *) stype);
 583 }
 584
 585 static void mount_free(void *p)
 586 {
 587   mount_t mnt = (mount_t) p;
 588   xbt_free(mnt->name);
 589 }
 590
 591 void sg_platf_new_mount(sg_platf_mount_cbarg_t mount){
 592   xbt_assert(xbt_lib_get_or_null(storage_lib, mount->storageId, ROUTING_STORAGE_LEVEL),
 593       "Cannot mount non-existent disk \"%s\"", mount->storageId);
 594
 595   XBT_DEBUG("ROUTING Mount '%s' on '%s'",mount->storageId, mount->name);
 596
 597   s_mount_t mnt;
 598   mnt.storage = surf_storage_resource_priv(surf_storage_resource_by_name(mount->storageId));
 599   mnt.name = xbt_strdup(mount->name);
 600
 601   if(!mount_list){
 602     XBT_DEBUG("Create a Mount list for %s",A_surfxml_host_id);
 603     mount_list = xbt_dynar_new(sizeof(s_mount_t), mount_free);
 604   }
 605   xbt_dynar_push(mount_list, &mnt);
 606 }
 607
 608 void sg_platf_new_route(sg_platf_route_cbarg_t route)
 609 {
 610   routing_get_current()->addRoute(route);
 611 }
 612
 613 void sg_platf_new_bypassRoute(sg_platf_route_cbarg_t bypassRoute)
 614 {
 615   routing_get_current()->addBypassRoute(bypassRoute);
 616 }
 617
 618 void sg_platf_new_process(sg_platf_process_cbarg_t process)
 619 {
 620   xbt_assert(simix_global,"Cannot create process without SIMIX.");
 621
 622   sg_host_t host = sg_host_by_name(process->host);
 623   if (!host) {
 624     // The requested host does not exist. Do a nice message to the user
 625     char *tmp = bprintf("Cannot create process '%s': host '%s' does not exist\nExisting hosts: '",process->function, process->host);
 626     xbt_strbuff_t msg = xbt_strbuff_new_from(tmp);
 627     free(tmp);
 628     xbt_dynar_t all_hosts = xbt_dynar_sort_strings(sg_hosts_as_dynar());
 629     simgrid::s4u::Host* host;
 630     unsigned int cursor;
 631     xbt_dynar_foreach(all_hosts,cursor, host) {
 632       xbt_strbuff_append(msg,host->name().c_str());
 633       xbt_strbuff_append(msg,"', '");
 634       if (msg->used > 1024) {
 635         msg->data[msg->used-3]='\0';
 636         msg->used -= 3;
 637
 638         xbt_strbuff_append(msg," ...(list truncated)......");// That will be shortened by 3 chars when existing the loop
 639       }
 640     }
 641     msg->data[msg->used-3]='\0';
 642     xbt_die("%s", msg->data);
 643   }
 644   xbt_main_func_t parse_code = SIMIX_get_registered_function(process->function);
 645   xbt_assert(parse_code, "Function '%s' unknown", process->function);
 646
 647   double start_time = process->start_time;
 648   double kill_time  = process->kill_time;
 649   int auto_restart = process->on_failure == SURF_PROCESS_ON_FAILURE_DIE ? 0 : 1;
 650
 651   smx_process_arg_t arg = NULL;
 652   smx_process_t process_created = NULL;
 653
 654   arg = xbt_new0(s_smx_process_arg_t, 1);
 655   arg->code = parse_code;
 656   arg->data = NULL;
 657   arg->hostname = sg_host_get_name(host);
 658   arg->argc = process->argc;
 659   arg->argv = xbt_new(char *,process->argc);
 660   int i;
 661   for (i=0; i<process->argc; i++)
 662     arg->argv[i] = xbt_strdup(process->argv[i]);
 663   arg->name = xbt_strdup(arg->argv[0]);
 664   arg->kill_time = kill_time;
 665   arg->properties = current_property_set;
 666   if (!sg_host_simix(host)->boot_processes) {
 667     sg_host_simix(host)->boot_processes = xbt_dynar_new(sizeof(smx_process_arg_t), _SIMIX_host_free_process_arg);
 668   }
 669   xbt_dynar_push_as(sg_host_simix(host)->boot_processes,smx_process_arg_t,arg);
 670
 671   if (start_time > SIMIX_get_clock()) {
 672     arg = xbt_new0(s_smx_process_arg_t, 1);
 673     arg->name = (char*)(process->argv)[0];
 674     arg->code = parse_code;
 675     arg->data = NULL;
 676     arg->hostname = sg_host_get_name(host);
 677     arg->argc = process->argc;
 678     arg->argv = (char**)(process->argv);
 679     arg->kill_time = kill_time;
 680     arg->properties = current_property_set;
 681
 682     XBT_DEBUG("Process %s(%s) will be started at time %f", arg->name,
 683            arg->hostname, start_time);
 684     SIMIX_timer_set(start_time, [](void* arg) {
 685       SIMIX_process_create_from_wrapper((smx_process_arg_t) arg);
 686     }, arg);
 687   } else {                      // start_time <= SIMIX_get_clock()
 688     XBT_DEBUG("Starting Process %s(%s) right now", arg->name, sg_host_get_name(host));
 689
 690     if (simix_global->create_process_function)
 691       process_created = simix_global->create_process_function(
 692           arg->name,
 693                                             parse_code,
 694                                             NULL,
 695                                             sg_host_get_name(host),
 696                                             kill_time,
 697                                             process->argc,
 698                                             (char**)(process->argv),
 699                                             current_property_set,
 700                                             auto_restart, NULL);
 701     else
 702       process_created = simcall_process_create(arg->name, parse_code, NULL, sg_host_get_name(host), kill_time, process->argc,
 703           (char**)process->argv, current_property_set,auto_restart);
 704
 705     /* verify if process has been created (won't be the case if the host is currently dead, but that's fine) */
 706     if (!process_created) {
 707       return;
 708     }
 709   }
 710   current_property_set = NULL;
 711 }
 712
 713 void sg_platf_new_peer(sg_platf_peer_cbarg_t peer)
 714 {
 715   using simgrid::surf::NetCard;
 716   using simgrid::surf::AsCluster;
 717
 718   char *host_id = bprintf("peer_%s", peer->id);
 719   char *router_id = bprintf("router_%s", peer->id);
 720
 721   XBT_DEBUG(" ");
 722
 723   XBT_DEBUG("<AS id=\"%s\"\trouting=\"Cluster\">", peer->id);
 724   s_sg_platf_AS_cbarg_t AS = SG_PLATF_AS_INITIALIZER;
 725   AS.id                    = peer->id;
 726   AS.routing               = A_surfxml_AS_routing_Cluster;
 727   sg_platf_new_AS_begin(&AS);
 728
 729   XBT_DEBUG("<host\tid=\"%s\"\tpower=\"%f\"/>", host_id, peer->speed);
 730   s_sg_platf_host_cbarg_t host = SG_PLATF_HOST_INITIALIZER;
 731   memset(&host, 0, sizeof(host));
 732   host.id = host_id;
 733
 734   host.speed_per_pstate = xbt_dynar_new(sizeof(double), NULL);
 735   xbt_dynar_push(host.speed_per_pstate,&peer->speed);
 736   host.pstate = 0;
 737   host.speed_trace = peer->availability_trace;
 738   host.state_trace = peer->state_trace;
 739   host.core_amount = 1;
 740   sg_platf_new_host(&host);
 741   xbt_dynar_free(&host.speed_per_pstate);
 742
 743   s_sg_platf_link_cbarg_t link = SG_PLATF_LINK_INITIALIZER;
 744   memset(&link, 0, sizeof(link));
 745   link.policy  = SURF_LINK_SHARED;
 746   link.latency = peer->lat;
 747
 748   char* link_up = bprintf("link_%s_UP",peer->id);
 749   XBT_DEBUG("<link\tid=\"%s\"\tbw=\"%f\"\tlat=\"%f\"/>", link_up, peer->bw_out, peer->lat);
 750   link.id = link_up;
 751   link.bandwidth = peer->bw_out;
 752   sg_platf_new_link(&link);
 753
 754   char* link_down = bprintf("link_%s_DOWN",peer->id);
 755   XBT_DEBUG("<link\tid=\"%s\"\tbw=\"%f\"\tlat=\"%f\"/>", link_down, peer->bw_in, peer->lat);
 756   link.id = link_down;
 757   link.bandwidth = peer->bw_in;
 758   sg_platf_new_link(&link);
 759
 760   XBT_DEBUG("<host_link\tid=\"%s\"\tup=\"%s\"\tdown=\"%s\" />", host_id,link_up,link_down);
 761   s_sg_platf_host_link_cbarg_t host_link = SG_PLATF_HOST_LINK_INITIALIZER;
 762   memset(&host_link, 0, sizeof(host_link));
 763   host_link.id        = host_id;
 764   host_link.link_up   = link_up;
 765   host_link.link_down = link_down;
 766   sg_platf_new_hostlink(&host_link);
 767   free(link_up);
 768   free(link_down);
 769
 770   XBT_DEBUG("<router id=\"%s\"/>", router_id);
 771   s_sg_platf_router_cbarg_t router = SG_PLATF_ROUTER_INITIALIZER;
 772   memset(&router, 0, sizeof(router));
 773   router.id = router_id;
 774   router.coord = peer->coord;
 775   sg_platf_new_router(&router);
 776   static_cast<AsCluster*>(current_routing)->router_ = static_cast<NetCard*>(xbt_lib_get_or_null(as_router_lib, router.id, ROUTING_ASR_LEVEL));
 777
 778   XBT_DEBUG("</AS>");
 779   sg_platf_new_AS_end();
 780   XBT_DEBUG(" ");
 781
 782   free(router_id);
 783   free(host_id);
 784 }
 785
 786 void sg_platf_begin() { /* Do nothing: just for symmetry of user code */ }
 787
 788 void sg_platf_end() {
 789   simgrid::surf::on_postparse();
 790 }
 791
 792 /* Pick the right models for CPU, net and host, and call their model_init_preparse */
 793 static void surf_config_models_setup()
 794 {
 795   const char *host_model_name;
 796   const char *vm_model_name;
 797   int host_id = -1;
 798   int vm_id = -1;
 799   char *network_model_name = NULL;
 800   char *cpu_model_name = NULL;
 801   int storage_id = -1;
 802   char *storage_model_name = NULL;
 803
 804   host_model_name = xbt_cfg_get_string(_sg_cfg_set, "host/model");
 805   vm_model_name = xbt_cfg_get_string(_sg_cfg_set, "vm/model");
 806   network_model_name = xbt_cfg_get_string(_sg_cfg_set, "network/model");
 807   cpu_model_name = xbt_cfg_get_string(_sg_cfg_set, "cpu/model");
 808   storage_model_name = xbt_cfg_get_string(_sg_cfg_set, "storage/model");
 809
 810   /* Check whether we use a net/cpu model differing from the default ones, in which case
 811    * we should switch to the "compound" host model to correctly dispatch stuff to
 812    * the right net/cpu models.
 813    */
 814
 815   if ((!xbt_cfg_is_default_value(_sg_cfg_set, "network/model") ||
 816        !xbt_cfg_is_default_value(_sg_cfg_set, "cpu/model")) &&
 817       xbt_cfg_is_default_value(_sg_cfg_set, "host/model")) {
 818     host_model_name = "compound";
 819     xbt_cfg_set_string(_sg_cfg_set, "host/model", host_model_name);
 820   }
 821
 822   XBT_DEBUG("host model: %s", host_model_name);
 823   host_id = find_model_description(surf_host_model_description, host_model_name);
 824   if (!strcmp(host_model_name, "compound")) {
 825     int network_id = -1;
 826     int cpu_id = -1;
 827
 828     xbt_assert(cpu_model_name,
 829                 "Set a cpu model to use with the 'compound' host model");
 830
 831     xbt_assert(network_model_name,
 832                 "Set a network model to use with the 'compound' host model");
 833
 834     if(surf_cpu_model_init_preparse){
 835       surf_cpu_model_init_preparse();
 836     } else {
 837       cpu_id =
 838           find_model_description(surf_cpu_model_description, cpu_model_name);
 839       surf_cpu_model_description[cpu_id].model_init_preparse();
 840     }
 841
 842     network_id =
 843         find_model_description(surf_network_model_description,
 844                                network_model_name);
 845     surf_network_model_description[network_id].model_init_preparse();
 846   }
 847
 848   XBT_DEBUG("Call host_model_init");
 849   surf_host_model_description[host_id].model_init_preparse();
 850
 851   XBT_DEBUG("Call vm_model_init");
 852   vm_id = find_model_description(surf_vm_model_description, vm_model_name);
 853   surf_vm_model_description[vm_id].model_init_preparse();
 854
 855   XBT_DEBUG("Call storage_model_init");
 856   storage_id = find_model_description(surf_storage_model_description, storage_model_name);
 857   surf_storage_model_description[storage_id].model_init_preparse();
 858
 859 }
 860
 861 /**
 862  * \brief Make a new routing component to the platform
 863  *
 864  * Add a new autonomous system to the platform. Any elements (such as host,
 865  * router or sub-AS) added after this call and before the corresponding call
 866  * to sg_platf_new_AS_close() will be added to this AS.
 867  *
 868  * Once this function was called, the configuration concerning the used
 869  * models cannot be changed anymore.
 870  *
 871  * @param AS_id name of this autonomous system. Must be unique in the platform
 872  * @param wanted_routing_type one of Full, Floyd, Dijkstra or similar. Full list in the variable routing_models, in src/surf/surf_routing.c
 873  */
 874 void sg_platf_new_AS_begin(sg_platf_AS_cbarg_t AS)
 875 {
 876   if (!surf_parse_models_setup_already_called) {
 877     /* Initialize the surf models. That must be done after we got all config, and before we need the models.
 878      * That is, after the last <config> tag, if any, and before the first of cluster|peer|AS|trace|trace_connect
 879      *
 880      * I'm not sure for <trace> and <trace_connect>, there may be a bug here
 881      * (FIXME: check it out by creating a file beginning with one of these tags)
 882      * but cluster and peer create ASes internally, so putting the code in there is ok.
 883      */
 884     surf_parse_models_setup_already_called = 1;
 885     surf_config_models_setup();
 886   }
 887
 888   xbt_assert(nullptr == xbt_lib_get_or_null(as_router_lib, AS->id, ROUTING_ASR_LEVEL),
 889       "Refusing to create a second AS called \"%s\".", AS->id);
 890
 891   _sg_cfg_init_status = 2; /* HACK: direct access to the global controlling the level of configuration to prevent
 892                             * any further config now that we created some real content */
 893
 894
 895   /* search the routing model */
 896   simgrid::surf::AsImpl *new_as = NULL;
 897   switch(AS->routing){
 898     case A_surfxml_AS_routing_Cluster:        new_as = new simgrid::surf::AsCluster(AS->id);        break;
 899     case A_surfxml_AS_routing_ClusterTorus:   new_as = new simgrid::surf::AsClusterTorus(AS->id);   break;
 900     case A_surfxml_AS_routing_ClusterFatTree: new_as = new simgrid::surf::AsClusterFatTree(AS->id); break;
 901     case A_surfxml_AS_routing_Dijkstra:       new_as = new simgrid::surf::AsDijkstra(AS->id, 0);    break;
 902     case A_surfxml_AS_routing_DijkstraCache:  new_as = new simgrid::surf::AsDijkstra(AS->id, 1);    break;
 903     case A_surfxml_AS_routing_Floyd:          new_as = new simgrid::surf::AsFloyd(AS->id);          break;
 904     case A_surfxml_AS_routing_Full:           new_as = new simgrid::surf::AsFull(AS->id);           break;
 905     case A_surfxml_AS_routing_None:           new_as = new simgrid::surf::AsNone(AS->id);           break;
 906     case A_surfxml_AS_routing_Vivaldi:        new_as = new simgrid::surf::AsVivaldi(AS->id);        break;
 907     default:                                  xbt_die("Not a valid model!");                        break;
 908   }
 909
 910   /* make a new routing component */
 911   simgrid::surf::NetCard *netcard = new simgrid::surf::NetCardImpl(new_as->name(), simgrid::surf::NetCard::Type::As, current_routing);
 912
 913   if (current_routing == NULL && routing_platf->root_ == NULL) { /* it is the first one */
 914     routing_platf->root_ = new_as;
 915   } else if (current_routing != NULL && routing_platf->root_ != NULL) {
 916
 917     xbt_assert(!xbt_dict_get_or_null(current_routing->children(), AS->id),
 918                "The AS \"%s\" already exists", AS->id);
 919     /* it is a part of the tree */
 920     new_as->father_ = current_routing;
 921     /* set the father behavior */
 922     if (current_routing->hierarchy_ == simgrid::surf::AsImpl::RoutingMode::unset)
 923       current_routing->hierarchy_ = simgrid::surf::AsImpl::RoutingMode::recursive;
 924     /* add to the sons dictionary */
 925     xbt_dict_set(current_routing->children(), AS->id, (void *) new_as, NULL);
 926   } else {
 927     THROWF(arg_error, 0, "All defined components must belong to a AS");
 928   }
 929
 930   xbt_lib_set(as_router_lib, netcard->name(), ROUTING_ASR_LEVEL, (void *) netcard);
 931   XBT_DEBUG("Having set name '%s' id '%d'", new_as->name(), netcard->id());
 932
 933   /* set the new current component of the tree */
 934   current_routing = new_as;
 935   current_routing->netcard_ = netcard;
 936
 937   simgrid::surf::asCreatedCallbacks(new_as);
 938   if (TRACE_is_enabled())
 939     sg_instr_AS_begin(AS);
 940 }
 941
 942 /**
 943  * \brief Specify that the current description of AS is finished
 944  *
 945  * Once you've declared all the content of your AS, you have to close
 946  * it with this call. Your AS is not usable until you call this function.
 947  */
 948 void sg_platf_new_AS_end()
 949 {
 950   xbt_assert(current_routing, "Cannot seal the current AS: none under construction");
 951   current_routing->seal();
 952   current_routing = static_cast<simgrid::surf::AsImpl*>(current_routing->father());
 953
 954   if (TRACE_is_enabled())
 955     sg_instr_AS_end();
 956 }
 957
 958 /** @brief Add a link connecting an host to the rest of its AS (which must be cluster or vivaldi) */
 959 void sg_platf_new_hostlink(sg_platf_host_link_cbarg_t hostlink)
 960 {
 961   simgrid::surf::NetCard *netcard = sg_host_by_name(hostlink->id)->pimpl_netcard;
 962   xbt_assert(netcard, "Host '%s' not found!", hostlink->id);
 963   xbt_assert(dynamic_cast<simgrid::surf::AsCluster*>(current_routing),
 964       "Only hosts from Cluster and Vivaldi ASes can get an host_link.");
 965
 966   s_surf_parsing_link_up_down_t link_up_down;
 967   link_up_down.link_up = Link::byName(hostlink->link_up);
 968   link_up_down.link_down = Link::byName(hostlink->link_down);
 969
 970   xbt_assert(link_up_down.link_up, "Link '%s' not found!",hostlink->link_up);
 971   xbt_assert(link_up_down.link_down, "Link '%s' not found!",hostlink->link_down);
 972
 973   // If dynar is is greater than netcard id and if the host_link is already defined
 974   auto as_cluster = static_cast<simgrid::surf::AsCluster*>(current_routing);
 975   if((int)xbt_dynar_length(as_cluster->upDownLinks_) > netcard->id() &&
 976       xbt_dynar_get_as(as_cluster->upDownLinks_, netcard->id(), void*))
 977   surf_parse_error("Host_link for '%s' is already defined!",hostlink->id);
 978
 979   XBT_DEBUG("Push Host_link for host '%s' to position %d", netcard->name(), netcard->id());
 980   xbt_dynar_set_as(as_cluster->upDownLinks_, netcard->id(), s_surf_parsing_link_up_down_t, link_up_down);
 981 }