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