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->core_amount);
 119   if (host->state_trace)
 120     cpu->setStateTrace(host->state_trace);
 121   if (host->speed_trace)
 122     cpu->setSpeedTrace(host->speed_trace);
 123   surf_host_model->createHost(host->id, netcard, cpu, host->properties)->attach(h);
 124
 125   if (host->pstate != 0)
 126     cpu->setPState(host->pstate);
 127
 128   simgrid::s4u::Host::onCreation(*h);
 129
 130   if (TRACE_is_enabled() && TRACE_needs_platform())
 131     sg_instr_new_host(host);
 132 }
 133
 134 /**
 135  * \brief Add a "router" to the network element list
 136  */
 137 void sg_platf_new_router(sg_platf_router_cbarg_t router)
 138 {
 139   simgrid::surf::AsImpl* current_routing = routing_get_current();
 140
 141   if (current_routing->hierarchy_ == simgrid::surf::AsImpl::RoutingMode::unset)
 142     current_routing->hierarchy_ = simgrid::surf::AsImpl::RoutingMode::base;
 143   xbt_assert(nullptr == xbt_lib_get_or_null(as_router_lib, router->id, ROUTING_ASR_LEVEL),
 144              "Refusing to create a router named '%s': this name already describes a node.", router->id);
 145
 146   simgrid::surf::NetCard *netcard = new simgrid::surf::NetCardImpl(router->id, SURF_NETWORK_ELEMENT_ROUTER, current_routing);
 147   netcard->setId(current_routing->addComponent(netcard));
 148   xbt_lib_set(as_router_lib, router->id, ROUTING_ASR_LEVEL, (void *) netcard);
 149   XBT_DEBUG("Having set name '%s' id '%d'", router->id, netcard->id());
 150   simgrid::surf::netcardCreatedCallbacks(netcard);
 151
 152   if (router->coord && strcmp(router->coord, "")) {
 153     unsigned int cursor;
 154     char*str;
 155
 156     if (!COORD_ASR_LEVEL)
 157       xbt_die ("To use host coordinates, please add --cfg=network/coordinates:yes to your command line");
 158     /* Pre-parse the host coordinates */
 159     xbt_dynar_t ctn_str = xbt_str_split_str(router->coord, " ");
 160     xbt_dynar_t ctn = xbt_dynar_new(sizeof(double),NULL);
 161     xbt_dynar_foreach(ctn_str,cursor, str) {
 162       double val = xbt_str_parse_double(str, "Invalid coordinate: %s");
 163       xbt_dynar_push(ctn,&val);
 164     }
 165     xbt_dynar_shrink(ctn, 0);
 166     xbt_dynar_free(&ctn_str);
 167     xbt_lib_set(as_router_lib, router->id, COORD_ASR_LEVEL, (void *) ctn);
 168     XBT_DEBUG("Having set router coordinates for '%s'",router->id);
 169   }
 170
 171   if (TRACE_is_enabled() && TRACE_needs_platform())
 172     sg_instr_new_router(router);
 173 }
 174
 175 void sg_platf_new_link(sg_platf_link_cbarg_t link){
 176   simgrid::surf::on_link(link);
 177 }
 178
 179 void sg_platf_new_cluster(sg_platf_cluster_cbarg_t cluster)
 180 {
 181   using simgrid::surf::AsCluster;
 182   using simgrid::surf::AsClusterTorus;
 183   using simgrid::surf::AsClusterFatTree;
 184
 185   char *host_id, *groups, *link_id = NULL;
 186   xbt_dict_t patterns = NULL;
 187   int rankId=0;
 188
 189   s_sg_platf_host_cbarg_t host = SG_PLATF_HOST_INITIALIZER;
 190   s_sg_platf_link_cbarg_t link = SG_PLATF_LINK_INITIALIZER;
 191
 192   unsigned int iter;
 193
 194   if ((cluster->availability_trace && strcmp(cluster->availability_trace, ""))
 195       || (cluster->state_trace && strcmp(cluster->state_trace, ""))) {
 196     patterns = xbt_dict_new_homogeneous(xbt_free_f);
 197     xbt_dict_set(patterns, "id", xbt_strdup(cluster->id), NULL);
 198     xbt_dict_set(patterns, "prefix", xbt_strdup(cluster->prefix), NULL);
 199     xbt_dict_set(patterns, "suffix", xbt_strdup(cluster->suffix), NULL);
 200   }
 201
 202   /* Parse the topology attributes.
 203    * Nothing to do in a vanilla cluster, but that's another story for torus and flat_trees */
 204   s_sg_platf_AS_cbarg_t AS = SG_PLATF_AS_INITIALIZER;
 205   AS.id = cluster->id;
 206
 207   switch (cluster->topology) {
 208   case SURF_CLUSTER_TORUS:
 209     AS.routing = A_surfxml_AS_routing_ClusterTorus;
 210     break;
 211   case SURF_CLUSTER_FAT_TREE:
 212     AS.routing = A_surfxml_AS_routing_ClusterFatTree;
 213     break;
 214   default:
 215     AS.routing = A_surfxml_AS_routing_Cluster;
 216     break;
 217   }
 218
 219   // What an inventive way of initializing the AS that I have as ancestor :-(
 220   sg_platf_new_AS_begin(&AS);
 221   simgrid::surf::AsImpl *current_routing = routing_get_current();
 222   static_cast<AsCluster*>(current_routing)->parse_specific_arguments(cluster);
 223
 224   if(cluster->loopback_bw!=0 || cluster->loopback_lat!=0){
 225       ((AsCluster*)current_routing)->nb_links_per_node_++;
 226       ((AsCluster*)current_routing)->has_loopback_=1;
 227   }
 228
 229   if(cluster->limiter_link!=0){
 230       ((AsCluster*)current_routing)->nb_links_per_node_++;
 231       ((AsCluster*)current_routing)->has_limiter_=1;
 232   }
 233
 234
 235   //Make all hosts
 236   xbt_dynar_t radical_elements = xbt_str_split(cluster->radical, ",");
 237   xbt_dynar_foreach(radical_elements, iter, groups) {
 238
 239     xbt_dynar_t radical_ends = xbt_str_split(groups, "-");
 240     int start = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 0, char *));
 241     int end;
 242
 243     switch (xbt_dynar_length(radical_ends)) {
 244     case 1:
 245       end = start;
 246       break;
 247     case 2:
 248       end = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 1, char *));
 249       break;
 250     default:
 251       surf_parse_error("Malformed radical");
 252       break;
 253     }
 254     for (int i = start; i <= end; i++) {
 255       host_id = bprintf("%s%d%s", cluster->prefix, i, cluster->suffix);
 256       link_id = bprintf("%s_link_%d", cluster->id, i);
 257
 258       XBT_DEBUG("<host\tid=\"%s\"\tpower=\"%f\">", host_id, cluster->speed);
 259
 260       memset(&host, 0, sizeof(host));
 261       host.id = host_id;
 262       if ((cluster->properties != NULL) && (!xbt_dict_is_empty(cluster->properties))) {
 263         xbt_dict_cursor_t cursor=NULL;
 264         char *key,*data;
 265         host.properties = xbt_dict_new();
 266
 267         xbt_dict_foreach(cluster->properties,cursor,key,data) {
 268           xbt_dict_set(host.properties, key, xbt_strdup(data),free);
 269         }
 270       }
 271       if (cluster->availability_trace && strcmp(cluster->availability_trace, "")) {
 272         xbt_dict_set(patterns, "radical", bprintf("%d", i), NULL);
 273         char *avail_file = xbt_str_varsubst(cluster->availability_trace, patterns);
 274         XBT_DEBUG("\tavailability_file=\"%s\"", avail_file);
 275         if (avail_file && avail_file[0])
 276           host.speed_trace = tmgr_trace_new_from_file(avail_file);
 277         xbt_free(avail_file);
 278       } else {
 279         XBT_DEBUG("\tavailability_file=\"\"");
 280       }
 281
 282       if (cluster->state_trace && strcmp(cluster->state_trace, "")) {
 283         char *avail_file = xbt_str_varsubst(cluster->state_trace, patterns);
 284         XBT_DEBUG("\tstate_file=\"%s\"", avail_file);
 285         if (avail_file && avail_file[0])
 286           host.state_trace = tmgr_trace_new_from_file(avail_file);
 287         xbt_free(avail_file);
 288       } else {
 289         XBT_DEBUG("\tstate_file=\"\"");
 290       }
 291
 292       host.speed_peak = xbt_dynar_new(sizeof(double), NULL);
 293       xbt_dynar_push(host.speed_peak,&cluster->speed);
 294       host.pstate = 0;
 295
 296       //host.power_peak = cluster->power;
 297       host.core_amount = cluster->core_amount;
 298       host.coord = "";
 299       sg_platf_new_host(&host);
 300       xbt_dynar_free(&host.speed_peak);
 301       XBT_DEBUG("</host>");
 302
 303       XBT_DEBUG("<link\tid=\"%s\"\tbw=\"%f\"\tlat=\"%f\"/>", link_id,
 304                 cluster->bw, cluster->lat);
 305
 306
 307       s_surf_parsing_link_up_down_t info_lim, info_loop;
 308       // All links are saved in a matrix;
 309       // every row describes a single node; every node
 310       // may have multiple links.
 311       // the first column may store a link from x to x if p_has_loopback is set
 312       // the second column may store a limiter link if p_has_limiter is set
 313       // other columns are to store one or more link for the node
 314
 315       //add a loopback link
 316       if(cluster->loopback_bw!=0 || cluster->loopback_lat!=0){
 317         char *tmp_link = bprintf("%s_loopback", link_id);
 318         XBT_DEBUG("<loopback\tid=\"%s\"\tbw=\"%f\"/>", tmp_link,
 319                 cluster->limiter_link);
 320
 321
 322         memset(&link, 0, sizeof(link));
 323         link.id        = tmp_link;
 324         link.bandwidth = cluster->loopback_bw;
 325         link.latency   = cluster->loopback_lat;
 326         link.policy    = SURF_LINK_FATPIPE;
 327         sg_platf_new_link(&link);
 328         info_loop.link_up   = Link::byName(tmp_link);
 329         info_loop.link_down = info_loop.link_up;
 330         free(tmp_link);
 331         xbt_dynar_set(current_routing->upDownLinks, rankId*(static_cast<AsCluster*>(current_routing))->nb_links_per_node_, &info_loop);
 332       }
 333
 334       //add a limiter link (shared link to account for maximal bandwidth of the node)
 335       if(cluster->limiter_link!=0){
 336         char *tmp_link = bprintf("%s_limiter", link_id);
 337         XBT_DEBUG("<limiter\tid=\"%s\"\tbw=\"%f\"/>", tmp_link,
 338                 cluster->limiter_link);
 339
 340
 341         memset(&link, 0, sizeof(link));
 342         link.id = tmp_link;
 343         link.bandwidth = cluster->limiter_link;
 344         link.latency = 0;
 345         link.policy = SURF_LINK_SHARED;
 346         sg_platf_new_link(&link);
 347         info_lim.link_up = Link::byName(tmp_link);
 348         info_lim.link_down = info_lim.link_up;
 349         free(tmp_link);
 350         auto as_cluster = static_cast<AsCluster*>(current_routing);
 351         xbt_dynar_set(current_routing->upDownLinks, rankId*(as_cluster)->nb_links_per_node_ + as_cluster->has_loopback_ , &info_lim);
 352
 353       }
 354
 355
 356       //call the cluster function that adds the others links
 357       if (cluster->topology == SURF_CLUSTER_FAT_TREE) {
 358         ((AsClusterFatTree*) current_routing)->addProcessingNode(i);
 359       }
 360       else {
 361       static_cast<AsCluster*>(current_routing)->create_links_for_node(cluster, i, rankId, rankId*
 362           static_cast<AsCluster*>(current_routing)->nb_links_per_node_
 363           + static_cast<AsCluster*>(current_routing)->has_loopback_
 364           + static_cast<AsCluster*>(current_routing)->has_limiter_ );
 365       }
 366       xbt_free(link_id);
 367       xbt_free(host_id);
 368       rankId++;
 369     }
 370
 371     xbt_dynar_free(&radical_ends);
 372   }
 373   xbt_dynar_free(&radical_elements);
 374
 375   // For fat trees, the links must be created once all nodes have been added
 376   if(cluster->topology == SURF_CLUSTER_FAT_TREE) {
 377     static_cast<simgrid::surf::AsClusterFatTree*>(current_routing)->create_links();
 378   }
 379   // Add a router. It is magically used thanks to the way in which surf_routing_cluster is written,
 380   // and it's very useful to connect clusters together
 381   XBT_DEBUG(" ");
 382   XBT_DEBUG("<router id=\"%s\"/>", cluster->router_id);
 383   char *newid = NULL;
 384   s_sg_platf_router_cbarg_t router = SG_PLATF_ROUTER_INITIALIZER;
 385   memset(&router, 0, sizeof(router));
 386   router.id = cluster->router_id;
 387   router.coord = "";
 388   if (!router.id || !strcmp(router.id, ""))
 389     router.id = newid =
 390         bprintf("%s%s_router%s", cluster->prefix, cluster->id,
 391                 cluster->suffix);
 392   sg_platf_new_router(&router);
 393   ((AsCluster*)current_routing)->router_ = (simgrid::surf::NetCard*) xbt_lib_get_or_null(as_router_lib, router.id, ROUTING_ASR_LEVEL);
 394   free(newid);
 395
 396   //Make the backbone
 397   if ((cluster->bb_bw != 0) || (cluster->bb_lat != 0)) {
 398     char *link_backbone = bprintf("%s_backbone", cluster->id);
 399     XBT_DEBUG("<link\tid=\"%s\" bw=\"%f\" lat=\"%f\"/>", link_backbone,
 400               cluster->bb_bw, cluster->bb_lat);
 401
 402     memset(&link, 0, sizeof(link));
 403     link.id        = link_backbone;
 404     link.bandwidth = cluster->bb_bw;
 405     link.latency   = cluster->bb_lat;
 406     link.policy    = cluster->bb_sharing_policy;
 407
 408     sg_platf_new_link(&link);
 409
 410     routing_cluster_add_backbone(Link::byName(link_backbone));
 411
 412     free(link_backbone);
 413   }
 414
 415   XBT_DEBUG("</AS>");
 416   sg_platf_new_AS_end();
 417   XBT_DEBUG(" ");
 418   xbt_dict_free(&patterns); // no op if it were never set
 419
 420   simgrid::surf::on_cluster(cluster);
 421 }
 422 void routing_cluster_add_backbone(simgrid::surf::Link* bb) {
 423   simgrid::surf::AsCluster *cluster = dynamic_cast<simgrid::surf::AsCluster*>(current_routing);
 424
 425   xbt_assert(cluster, "Only hosts from Cluster can get a backbone.");
 426   xbt_assert(nullptr == cluster->backbone_, "Cluster %s already has a backbone link!", cluster->name());
 427
 428   cluster->backbone_ = bb;
 429   XBT_DEBUG("Add a backbone to AS '%s'", current_routing->name());
 430 }
 431
 432 void sg_platf_new_cabinet(sg_platf_cabinet_cbarg_t cabinet)
 433 {
 434   int start, end, i;
 435   char *groups , *host_id , *link_id = NULL;
 436   unsigned int iter;
 437   xbt_dynar_t radical_elements;
 438   xbt_dynar_t radical_ends;
 439
 440   //Make all hosts
 441   radical_elements = xbt_str_split(cabinet->radical, ",");
 442   xbt_dynar_foreach(radical_elements, iter, groups) {
 443
 444     radical_ends = xbt_str_split(groups, "-");
 445     start = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 0, char *));
 446
 447     switch (xbt_dynar_length(radical_ends)) {
 448     case 1:
 449       end = start;
 450       break;
 451     case 2:
 452       end = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 1, char *));
 453       break;
 454     default:
 455       surf_parse_error("Malformed radical");
 456       break;
 457     }
 458     s_sg_platf_host_cbarg_t host = SG_PLATF_HOST_INITIALIZER;
 459     memset(&host, 0, sizeof(host));
 460     host.pstate        = 0;
 461     host.core_amount   = 1;
 462
 463     s_sg_platf_link_cbarg_t link = SG_PLATF_LINK_INITIALIZER;
 464     memset(&link, 0, sizeof(link));
 465     link.policy    = SURF_LINK_FULLDUPLEX;
 466     link.latency   = cabinet->lat;
 467     link.bandwidth = cabinet->bw;
 468
 469     s_sg_platf_host_link_cbarg_t host_link = SG_PLATF_HOST_LINK_INITIALIZER;
 470     memset(&host_link, 0, sizeof(host_link));
 471
 472     for (i = start; i <= end; i++) {
 473       host_id                      = bprintf("%s%d%s",cabinet->prefix,i,cabinet->suffix);
 474       link_id                      = bprintf("link_%s%d%s",cabinet->prefix,i,cabinet->suffix);
 475       host.id                      = host_id;
 476       link.id                      = link_id;
 477       host.speed_peak = xbt_dynar_new(sizeof(double), NULL);
 478       xbt_dynar_push(host.speed_peak,&cabinet->speed);
 479       sg_platf_new_host(&host);
 480       xbt_dynar_free(&host.speed_peak);
 481       sg_platf_new_link(&link);
 482
 483       char* link_up       = bprintf("%s_UP",link_id);
 484       char* link_down     = bprintf("%s_DOWN",link_id);
 485       host_link.id        = host_id;
 486       host_link.link_up   = link_up;
 487       host_link.link_down = link_down;
 488       sg_platf_new_hostlink(&host_link);
 489
 490       free(host_id);
 491       free(link_id);
 492       free(link_up);
 493       free(link_down);
 494     }
 495
 496     xbt_dynar_free(&radical_ends);
 497   }
 498   xbt_dynar_free(&radical_elements);
 499 }
 500
 501 void sg_platf_new_storage(sg_platf_storage_cbarg_t storage)
 502 {
 503   xbt_assert(!xbt_lib_get_or_null(storage_lib, storage->id,ROUTING_STORAGE_LEVEL),
 504                "Refusing to add a second storage named \"%s\"", storage->id);
 505
 506   void* stype = xbt_lib_get_or_null(storage_type_lib, storage->type_id,ROUTING_STORAGE_TYPE_LEVEL);
 507   xbt_assert(stype,"No storage type '%s'", storage->type_id);
 508
 509   XBT_DEBUG("ROUTING Create a storage name '%s' with type_id '%s' and content '%s'",
 510       storage->id,
 511       storage->type_id,
 512       storage->content);
 513
 514   xbt_lib_set(storage_lib, storage->id, ROUTING_STORAGE_LEVEL, (void *) xbt_strdup(storage->type_id));
 515
 516   // if storage content is not specified use the content of storage_type if any
 517   if(!strcmp(storage->content,"") && strcmp(((storage_type_t) stype)->content,"")){
 518     storage->content = ((storage_type_t) stype)->content;
 519     storage->content_type = ((storage_type_t) stype)->content_type;
 520     XBT_DEBUG("For disk '%s' content is empty, inherit the content (of type %s) from storage type '%s' ",
 521         storage->id,((storage_type_t) stype)->content_type,
 522         ((storage_type_t) stype)->type_id);
 523   }
 524
 525   XBT_DEBUG("SURF storage create resource\n\t\tid '%s'\n\t\ttype '%s' "
 526       "\n\t\tmodel '%s' \n\t\tcontent '%s'\n\t\tcontent_type '%s' "
 527       "\n\t\tproperties '%p''\n",
 528       storage->id,
 529       ((storage_type_t) stype)->model,
 530       ((storage_type_t) stype)->type_id,
 531       storage->content,
 532       storage->content_type,
 533     storage->properties);
 534
 535   surf_storage_model->createStorage(storage->id,
 536                                      ((storage_type_t) stype)->type_id,
 537                                      storage->content,
 538                                      storage->content_type,
 539                    storage->properties,
 540                                      storage->attach);
 541 }
 542 void sg_platf_new_storage_type(sg_platf_storage_type_cbarg_t storage_type){
 543
 544   xbt_assert(!xbt_lib_get_or_null(storage_type_lib, storage_type->id,ROUTING_STORAGE_TYPE_LEVEL),
 545                "Reading a storage type, processing unit \"%s\" already exists", storage_type->id);
 546
 547   storage_type_t stype = xbt_new0(s_storage_type_t, 1);
 548   stype->model = xbt_strdup(storage_type->model);
 549   stype->properties = storage_type->properties;
 550   stype->content = xbt_strdup(storage_type->content);
 551   stype->content_type = xbt_strdup(storage_type->content_type);
 552   stype->type_id = xbt_strdup(storage_type->id);
 553   stype->size = storage_type->size;
 554   stype->model_properties = storage_type->model_properties;
 555
 556   XBT_DEBUG("ROUTING Create a storage type id '%s' with model '%s', "
 557       "content '%s', and content_type '%s'",
 558       stype->type_id,
 559       stype->model,
 560       storage_type->content,
 561       storage_type->content_type);
 562
 563   xbt_lib_set(storage_type_lib,
 564       stype->type_id,
 565       ROUTING_STORAGE_TYPE_LEVEL,
 566       (void *) stype);
 567 }
 568 void sg_platf_new_mstorage(sg_platf_mstorage_cbarg_t mstorage)
 569 {
 570   THROW_UNIMPLEMENTED;
 571 }
 572
 573 static void mount_free(void *p)
 574 {
 575   mount_t mnt = (mount_t) p;
 576   xbt_free(mnt->name);
 577 }
 578
 579 void sg_platf_new_mount(sg_platf_mount_cbarg_t mount){
 580   // Verification of an existing storage
 581   xbt_assert(xbt_lib_get_or_null(storage_lib, mount->storageId, ROUTING_STORAGE_LEVEL),
 582       "Cannot mount non-existent disk \"%s\"", mount->storageId);
 583
 584   XBT_DEBUG("ROUTING Mount '%s' on '%s'",mount->storageId, mount->name);
 585
 586   s_mount_t mnt;
 587   mnt.storage = surf_storage_resource_priv(surf_storage_resource_by_name(mount->storageId));
 588   mnt.name = xbt_strdup(mount->name);
 589
 590   if(!mount_list){
 591     XBT_DEBUG("Create a Mount list for %s",A_surfxml_host_id);
 592     mount_list = xbt_dynar_new(sizeof(s_mount_t), mount_free);
 593   }
 594   xbt_dynar_push(mount_list, &mnt);
 595 }
 596
 597 void sg_platf_new_route(sg_platf_route_cbarg_t route)
 598 {
 599   routing_get_current()->addRoute(route);
 600 }
 601
 602 void sg_platf_new_bypassRoute(sg_platf_route_cbarg_t bypassRoute)
 603 {
 604   routing_get_current()->addBypassRoute(bypassRoute);
 605 }
 606
 607 void sg_platf_new_process(sg_platf_process_cbarg_t process)
 608 {
 609   xbt_assert(simix_global,"Cannot create process without SIMIX.");
 610
 611   sg_host_t host = sg_host_by_name(process->host);
 612   if (!host) {
 613     // The requested host does not exist. Do a nice message to the user
 614     char *tmp = bprintf("Cannot create process '%s': host '%s' does not exist\nExisting hosts: '",process->function, process->host);
 615     xbt_strbuff_t msg = xbt_strbuff_new_from(tmp);
 616     free(tmp);
 617     xbt_dynar_t all_hosts = xbt_dynar_sort_strings(sg_hosts_as_dynar());
 618     simgrid::s4u::Host* host;
 619     unsigned int cursor;
 620     xbt_dynar_foreach(all_hosts,cursor, host) {
 621       xbt_strbuff_append(msg,host->name().c_str());
 622       xbt_strbuff_append(msg,"', '");
 623       if (msg->used > 1024) {
 624         msg->data[msg->used-3]='\0';
 625         msg->used -= 3;
 626
 627         xbt_strbuff_append(msg," ...(list truncated)......");// That will be shortened by 3 chars when existing the loop
 628       }
 629     }
 630     msg->data[msg->used-3]='\0';
 631     xbt_die("%s", msg->data);
 632   }
 633   xbt_main_func_t parse_code = SIMIX_get_registered_function(process->function);
 634   xbt_assert(parse_code, "Function '%s' unknown", process->function);
 635
 636   double start_time = process->start_time;
 637   double kill_time  = process->kill_time;
 638   int auto_restart = process->on_failure == SURF_PROCESS_ON_FAILURE_DIE ? 0 : 1;
 639
 640   smx_process_arg_t arg = NULL;
 641   smx_process_t process_created = NULL;
 642
 643   arg = xbt_new0(s_smx_process_arg_t, 1);
 644   arg->code = parse_code;
 645   arg->data = NULL;
 646   arg->hostname = sg_host_get_name(host);
 647   arg->argc = process->argc;
 648   arg->argv = xbt_new(char *,process->argc);
 649   int i;
 650   for (i=0; i<process->argc; i++)
 651     arg->argv[i] = xbt_strdup(process->argv[i]);
 652   arg->name = xbt_strdup(arg->argv[0]);
 653   arg->kill_time = kill_time;
 654   arg->properties = current_property_set;
 655   if (!sg_host_simix(host)->boot_processes) {
 656     sg_host_simix(host)->boot_processes = xbt_dynar_new(sizeof(smx_process_arg_t), _SIMIX_host_free_process_arg);
 657   }
 658   xbt_dynar_push_as(sg_host_simix(host)->boot_processes,smx_process_arg_t,arg);
 659
 660   if (start_time > SIMIX_get_clock()) {
 661     arg = xbt_new0(s_smx_process_arg_t, 1);
 662     arg->name = (char*)(process->argv)[0];
 663     arg->code = parse_code;
 664     arg->data = NULL;
 665     arg->hostname = sg_host_get_name(host);
 666     arg->argc = process->argc;
 667     arg->argv = (char**)(process->argv);
 668     arg->kill_time = kill_time;
 669     arg->properties = current_property_set;
 670
 671     XBT_DEBUG("Process %s(%s) will be started at time %f", arg->name,
 672            arg->hostname, start_time);
 673     SIMIX_timer_set(start_time, [](void* arg) {
 674       SIMIX_process_create_from_wrapper((smx_process_arg_t) arg);
 675     }, arg);
 676   } else {                      // start_time <= SIMIX_get_clock()
 677     XBT_DEBUG("Starting Process %s(%s) right now", arg->name, sg_host_get_name(host));
 678
 679     if (simix_global->create_process_function)
 680       process_created = simix_global->create_process_function(
 681           arg->name,
 682                                             parse_code,
 683                                             NULL,
 684                                             sg_host_get_name(host),
 685                                             kill_time,
 686                                             process->argc,
 687                                             (char**)(process->argv),
 688                                             current_property_set,
 689                                             auto_restart, NULL);
 690     else
 691       process_created = simcall_process_create(arg->name, parse_code, NULL, sg_host_get_name(host), kill_time, process->argc,
 692           (char**)process->argv, current_property_set,auto_restart);
 693
 694     /* verify if process has been created (won't be the case if the host is currently dead, but that's fine) */
 695     if (!process_created) {
 696       return;
 697     }
 698   }
 699   current_property_set = NULL;
 700 }
 701
 702 void sg_platf_new_peer(sg_platf_peer_cbarg_t peer)
 703 {
 704   using simgrid::surf::NetCard;
 705   using simgrid::surf::AsCluster;
 706
 707   char *host_id = NULL;
 708   char *link_id = NULL;
 709   char *router_id = NULL;
 710
 711   XBT_DEBUG(" ");
 712   host_id = bprintf("peer_%s", peer->id);
 713   link_id = bprintf("link_%s", peer->id);
 714   router_id = bprintf("router_%s", peer->id);
 715
 716   XBT_DEBUG("<AS id=\"%s\"\trouting=\"Cluster\">", peer->id);
 717   s_sg_platf_AS_cbarg_t AS = SG_PLATF_AS_INITIALIZER;
 718   AS.id                    = peer->id;
 719   AS.routing               = A_surfxml_AS_routing_Cluster;
 720   sg_platf_new_AS_begin(&AS);
 721
 722   XBT_DEBUG("<host\tid=\"%s\"\tpower=\"%f\"/>", host_id, peer->speed);
 723   s_sg_platf_host_cbarg_t host = SG_PLATF_HOST_INITIALIZER;
 724   memset(&host, 0, sizeof(host));
 725   host.id = host_id;
 726
 727   host.speed_peak = xbt_dynar_new(sizeof(double), NULL);
 728   xbt_dynar_push(host.speed_peak,&peer->speed);
 729   host.pstate = 0;
 730   //host.power_peak = peer->power;
 731   host.speed_trace = peer->availability_trace;
 732   host.state_trace = peer->state_trace;
 733   host.core_amount = 1;
 734   sg_platf_new_host(&host);
 735   xbt_dynar_free(&host.speed_peak);
 736
 737   s_sg_platf_link_cbarg_t link = SG_PLATF_LINK_INITIALIZER;
 738   memset(&link, 0, sizeof(link));
 739   link.policy  = SURF_LINK_SHARED;
 740   link.latency = peer->lat;
 741
 742   char* link_up = bprintf("%s_UP",link_id);
 743   XBT_DEBUG("<link\tid=\"%s\"\tbw=\"%f\"\tlat=\"%f\"/>", link_up, peer->bw_out, peer->lat);
 744   link.id = link_up;
 745   link.bandwidth = peer->bw_out;
 746   sg_platf_new_link(&link);
 747
 748   char* link_down = bprintf("%s_DOWN",link_id);
 749   XBT_DEBUG("<link\tid=\"%s\"\tbw=\"%f\"\tlat=\"%f\"/>", link_down, peer->bw_in, peer->lat);
 750   link.id = link_down;
 751   link.bandwidth = peer->bw_in;
 752   sg_platf_new_link(&link);
 753
 754   XBT_DEBUG("<host_link\tid=\"%s\"\tup=\"%s\"\tdown=\"%s\" />", host_id,link_up,link_down);
 755   s_sg_platf_host_link_cbarg_t host_link = SG_PLATF_HOST_LINK_INITIALIZER;
 756   memset(&host_link, 0, sizeof(host_link));
 757   host_link.id        = host_id;
 758   host_link.link_up   = link_up;
 759   host_link.link_down = link_down;
 760   sg_platf_new_hostlink(&host_link);
 761
 762   XBT_DEBUG("<router id=\"%s\"/>", router_id);
 763   s_sg_platf_router_cbarg_t router = SG_PLATF_ROUTER_INITIALIZER;
 764   memset(&router, 0, sizeof(router));
 765   router.id = router_id;
 766   router.coord = peer->coord;
 767   sg_platf_new_router(&router);
 768   static_cast<AsCluster*>(current_routing)->router_ = static_cast<NetCard*>(xbt_lib_get_or_null(as_router_lib, router.id, ROUTING_ASR_LEVEL));
 769
 770   XBT_DEBUG("</AS>");
 771   sg_platf_new_AS_end();
 772   XBT_DEBUG(" ");
 773
 774   //xbt_dynar_free(&tab_elements_num);
 775   free(router_id);
 776   free(host_id);
 777   free(link_id);
 778   free(link_up);
 779   free(link_down);
 780 }
 781
 782 void sg_platf_begin() { /* Do nothing: just for symmetry of user code */ }
 783
 784 void sg_platf_end() {
 785   simgrid::surf::on_postparse();
 786 }
 787
 788 /* Pick the right models for CPU, net and host, and call their model_init_preparse */
 789 static void surf_config_models_setup()
 790 {
 791   const char *host_model_name;
 792   const char *vm_model_name;
 793   int host_id = -1;
 794   int vm_id = -1;
 795   char *network_model_name = NULL;
 796   char *cpu_model_name = NULL;
 797   int storage_id = -1;
 798   char *storage_model_name = NULL;
 799
 800   host_model_name = xbt_cfg_get_string(_sg_cfg_set, "host/model");
 801   vm_model_name = xbt_cfg_get_string(_sg_cfg_set, "vm/model");
 802   network_model_name = xbt_cfg_get_string(_sg_cfg_set, "network/model");
 803   cpu_model_name = xbt_cfg_get_string(_sg_cfg_set, "cpu/model");
 804   storage_model_name = xbt_cfg_get_string(_sg_cfg_set, "storage/model");
 805
 806   /* Check whether we use a net/cpu model differing from the default ones, in which case
 807    * we should switch to the "compound" host model to correctly dispatch stuff to
 808    * the right net/cpu models.
 809    */
 810
 811   if ((!xbt_cfg_is_default_value(_sg_cfg_set, "network/model") ||
 812        !xbt_cfg_is_default_value(_sg_cfg_set, "cpu/model")) &&
 813       xbt_cfg_is_default_value(_sg_cfg_set, "host/model")) {
 814     host_model_name = "compound";
 815     xbt_cfg_set_string(_sg_cfg_set, "host/model", host_model_name);
 816   }
 817
 818   XBT_DEBUG("host model: %s", host_model_name);
 819   host_id = find_model_description(surf_host_model_description, host_model_name);
 820   if (!strcmp(host_model_name, "compound")) {
 821     int network_id = -1;
 822     int cpu_id = -1;
 823
 824     xbt_assert(cpu_model_name,
 825                 "Set a cpu model to use with the 'compound' host model");
 826
 827     xbt_assert(network_model_name,
 828                 "Set a network model to use with the 'compound' host model");
 829
 830     if(surf_cpu_model_init_preparse){
 831       surf_cpu_model_init_preparse();
 832     } else {
 833       cpu_id =
 834           find_model_description(surf_cpu_model_description, cpu_model_name);
 835       surf_cpu_model_description[cpu_id].model_init_preparse();
 836     }
 837
 838     network_id =
 839         find_model_description(surf_network_model_description,
 840                                network_model_name);
 841     surf_network_model_description[network_id].model_init_preparse();
 842   }
 843
 844   XBT_DEBUG("Call host_model_init");
 845   surf_host_model_description[host_id].model_init_preparse();
 846
 847   XBT_DEBUG("Call vm_model_init");
 848   vm_id = find_model_description(surf_vm_model_description, vm_model_name);
 849   surf_vm_model_description[vm_id].model_init_preparse();
 850
 851   XBT_DEBUG("Call storage_model_init");
 852   storage_id = find_model_description(surf_storage_model_description, storage_model_name);
 853   surf_storage_model_description[storage_id].model_init_preparse();
 854
 855 }
 856
 857 /**
 858  * \brief Make a new routing component to the platform
 859  *
 860  * Add a new autonomous system to the platform. Any elements (such as host,
 861  * router or sub-AS) added after this call and before the corresponding call
 862  * to sg_platf_new_AS_close() will be added to this AS.
 863  *
 864  * Once this function was called, the configuration concerning the used
 865  * models cannot be changed anymore.
 866  *
 867  * @param AS_id name of this autonomous system. Must be unique in the platform
 868  * @param wanted_routing_type one of Full, Floyd, Dijkstra or similar. Full list in the variable routing_models, in src/surf/surf_routing.c
 869  */
 870 void sg_platf_new_AS_begin(sg_platf_AS_cbarg_t AS)
 871 {
 872   if (!surf_parse_models_setup_already_called) {
 873     /* Initialize the surf models. That must be done after we got all config, and before we need the models.
 874      * That is, after the last <config> tag, if any, and before the first of cluster|peer|AS|trace|trace_connect
 875      *
 876      * I'm not sure for <trace> and <trace_connect>, there may be a bug here
 877      * (FIXME: check it out by creating a file beginning with one of these tags)
 878      * but cluster and peer create ASes internally, so putting the code in there is ok.
 879      */
 880     surf_parse_models_setup_already_called = 1;
 881     surf_config_models_setup();
 882   }
 883
 884   xbt_assert(nullptr == xbt_lib_get_or_null(as_router_lib, AS->id, ROUTING_ASR_LEVEL),
 885       "Refusing to create a second AS called \"%s\".", AS->id);
 886
 887   _sg_cfg_init_status = 2; /* HACK: direct access to the global controlling the level of configuration to prevent
 888                             * any further config now that we created some real content */
 889
 890
 891   /* search the routing model */
 892   simgrid::surf::AsImpl *new_as = NULL;
 893   switch(AS->routing){
 894     case A_surfxml_AS_routing_Cluster:        new_as = new simgrid::surf::AsCluster(AS->id);        break;
 895     case A_surfxml_AS_routing_ClusterTorus:   new_as = new simgrid::surf::AsClusterTorus(AS->id);   break;
 896     case A_surfxml_AS_routing_ClusterFatTree: new_as = new simgrid::surf::AsClusterFatTree(AS->id); break;
 897     case A_surfxml_AS_routing_Dijkstra:       new_as = new simgrid::surf::AsDijkstra(AS->id, 0);    break;
 898     case A_surfxml_AS_routing_DijkstraCache:  new_as = new simgrid::surf::AsDijkstra(AS->id, 1);    break;
 899     case A_surfxml_AS_routing_Floyd:          new_as = new simgrid::surf::AsFloyd(AS->id);          break;
 900     case A_surfxml_AS_routing_Full:           new_as = new simgrid::surf::AsFull(AS->id);           break;
 901     case A_surfxml_AS_routing_None:           new_as = new simgrid::surf::AsNone(AS->id);           break;
 902     case A_surfxml_AS_routing_Vivaldi:        new_as = new simgrid::surf::AsVivaldi(AS->id);        break;
 903     default:                                  xbt_die("Not a valid model!");                        break;
 904   }
 905
 906   /* make a new routing component */
 907   simgrid::surf::NetCard *netcard = new simgrid::surf::NetCardImpl(new_as->name(), SURF_NETWORK_ELEMENT_AS, current_routing);
 908
 909   if (current_routing == NULL && routing_platf->root_ == NULL) {
 910     /* it is the first one */
 911     routing_platf->root_ = new_as;
 912     netcard->setId(-1);
 913   } else if (current_routing != NULL && routing_platf->root_ != NULL) {
 914
 915     xbt_assert(!xbt_dict_get_or_null(current_routing->children(), AS->id),
 916                "The AS \"%s\" already exists", AS->id);
 917     /* it is a part of the tree */
 918     new_as->father_ = current_routing;
 919     /* set the father behavior */
 920     if (current_routing->hierarchy_ == simgrid::surf::AsImpl::RoutingMode::unset)
 921       current_routing->hierarchy_ = simgrid::surf::AsImpl::RoutingMode::recursive;
 922     /* add to the sons dictionary */
 923     xbt_dict_set(current_routing->children(), AS->id, (void *) new_as, NULL);
 924     /* add to the father element list */
 925     netcard->setId(current_routing->addComponent(netcard));
 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::netcardCreatedCallbacks(netcard);
 938   simgrid::surf::asCreatedCallbacks(new_as);
 939   if (TRACE_is_enabled())
 940     sg_instr_AS_begin(AS);
 941 }
 942
 943 /**
 944  * \brief Specify that the current description of AS is finished
 945  *
 946  * Once you've declared all the content of your AS, you have to close
 947  * it with this call. Your AS is not usable until you call this function.
 948  */
 949 void sg_platf_new_AS_end()
 950 {
 951   xbt_assert(current_routing, "Cannot seal the current AS: none under construction");
 952   current_routing->Seal();
 953   current_routing = static_cast<simgrid::surf::AsImpl*>(current_routing->father());
 954
 955   if (TRACE_is_enabled())
 956     sg_instr_AS_end();
 957 }
 958
 959 /** @brief Add a link connecting an host to the rest of its AS (which must be cluster or vivaldi) */
 960 void sg_platf_new_hostlink(sg_platf_host_link_cbarg_t netcard_arg)
 961 {
 962   simgrid::surf::NetCard *netcard = sg_host_by_name(netcard_arg->id)->pimpl_netcard;
 963   xbt_assert(netcard, "Host '%s' not found!", netcard_arg->id);
 964   xbt_assert(dynamic_cast<simgrid::surf::AsCluster*>(current_routing) ||
 965              dynamic_cast<simgrid::surf::AsVivaldi*>(current_routing),
 966       "Only hosts from Cluster and Vivaldi ASes can get a host_link.");
 967
 968   s_surf_parsing_link_up_down_t link_up_down;
 969   link_up_down.link_up = Link::byName(netcard_arg->link_up);
 970   link_up_down.link_down = Link::byName(netcard_arg->link_down);
 971
 972   xbt_assert(link_up_down.link_up, "Link '%s' not found!",netcard_arg->link_up);
 973   xbt_assert(link_up_down.link_down, "Link '%s' not found!",netcard_arg->link_down);
 974
 975   // If dynar is is greater than netcard id and if the host_link is already defined
 976   if((int)xbt_dynar_length(current_routing->upDownLinks) > netcard->id() &&
 977       xbt_dynar_get_as(current_routing->upDownLinks, netcard->id(), void*))
 978   surf_parse_error("Host_link for '%s' is already defined!",netcard_arg->id);
 979
 980   XBT_DEBUG("Push Host_link for host '%s' to position %d", netcard->name(), netcard->id());
 981   xbt_dynar_set_as(current_routing->upDownLinks, netcard->id(), s_surf_parsing_link_up_down_t, link_up_down);
 982 }