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