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