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     xbt_assert(COORD_HOST_LEVEL, "To use host coordinates, please add --cfg=network/coordinates:yes to your command line");
 100     /* Pre-parse the host coordinates -- FIXME factorize with routers by overloading the routing->parse_PU function*/
 101     xbt_dynar_t ctn_str = xbt_str_split_str(host->coord, " ");
 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_shrink(ctn, 0);
 108     xbt_dynar_free(&ctn_str);
 109     h->extension_set(COORD_HOST_LEVEL, (void *) ctn);
 110     XBT_DEBUG("Having set host coordinates for '%s'",host->id);
 111   }
 112
 113   simgrid::surf::Cpu *cpu = surf_cpu_model_pm->createCpu( h,
 114       host->speed_per_pstate,
 115       host->core_amount);
 116   if (host->state_trace)
 117     cpu->setStateTrace(host->state_trace);
 118   if (host->speed_trace)
 119     cpu->setSpeedTrace(host->speed_trace);
 120   surf_host_model->createHost(host->id, netcard, cpu, host->properties)->attach(h);
 121
 122   if (host->pstate != 0)
 123     cpu->setPState(host->pstate);
 124
 125   simgrid::s4u::Host::onCreation(*h);
 126
 127   if (TRACE_is_enabled() && TRACE_needs_platform())
 128     sg_instr_new_host(host);
 129 }
 130
 131 /**
 132  * \brief Add a "router" to the network element list
 133  */
 134 void sg_platf_new_router(sg_platf_router_cbarg_t router)
 135 {
 136   simgrid::surf::AsImpl* current_routing = routing_get_current();
 137
 138   if (current_routing->hierarchy_ == simgrid::surf::AsImpl::RoutingMode::unset)
 139     current_routing->hierarchy_ = simgrid::surf::AsImpl::RoutingMode::base;
 140   xbt_assert(nullptr == xbt_lib_get_or_null(as_router_lib, router->id, ROUTING_ASR_LEVEL),
 141              "Refusing to create a router named '%s': this name already describes a node.", router->id);
 142
 143   simgrid::surf::NetCard *netcard =
 144     new simgrid::surf::NetCardImpl(router->id, SURF_NETWORK_ELEMENT_ROUTER, current_routing);
 145   netcard->setId(current_routing->addComponent(netcard));
 146   xbt_lib_set(as_router_lib, router->id, ROUTING_ASR_LEVEL, (void *) netcard);
 147   XBT_DEBUG("Having set name '%s' id '%d'", router->id, netcard->id());
 148   simgrid::surf::netcardCreatedCallbacks(netcard);
 149
 150   if (router->coord && strcmp(router->coord, "")) {
 151     unsigned int cursor;
 152     char*str;
 153
 154     if (!COORD_ASR_LEVEL)
 155       xbt_die ("To use host coordinates, please add --cfg=network/coordinates:yes to your command line");
 156     /* Pre-parse the host coordinates */
 157     xbt_dynar_t ctn_str = xbt_str_split_str(router->coord, " ");
 158     xbt_dynar_t ctn = xbt_dynar_new(sizeof(double),NULL);
 159     xbt_dynar_foreach(ctn_str,cursor, str) {
 160       double val = xbt_str_parse_double(str, "Invalid coordinate: %s");
 161       xbt_dynar_push(ctn,&val);
 162     }
 163     xbt_dynar_shrink(ctn, 0);
 164     xbt_dynar_free(&ctn_str);
 165     xbt_lib_set(as_router_lib, router->id, COORD_ASR_LEVEL, (void *) ctn);
 166     XBT_DEBUG("Having set router coordinates for '%s'",router->id);
 167   }
 168
 169   if (TRACE_is_enabled() && TRACE_needs_platform())
 170     sg_instr_new_router(router);
 171 }
 172
 173 void sg_platf_new_link(sg_platf_link_cbarg_t link){
 174   std::vector<char*> names;
 175
 176   if (link->policy == SURF_LINK_FULLDUPLEX) {
 177     names.push_back(bprintf("%s_UP", link->id));
 178     names.push_back(bprintf("%s_DOWN", link->id));
 179   } else {
 180     names.push_back(xbt_strdup(link->id));
 181   }
 182   for (auto link_name : names) {
 183     Link *l = surf_network_model->createLink(link_name, link->bandwidth, link->latency, link->policy, link->properties);
 184
 185     if (link->latency_trace)
 186       l->setLatencyTrace(link->latency_trace);
 187     if (link->bandwidth_trace)
 188       l->setBandwidthTrace(link->bandwidth_trace);
 189     if (link->state_trace)
 190       l->setStateTrace(link->state_trace);
 191
 192     xbt_free(link_name);
 193   }
 194
 195   simgrid::surf::on_link(link);
 196 }
 197
 198 void sg_platf_new_cluster(sg_platf_cluster_cbarg_t cluster)
 199 {
 200   using simgrid::surf::AsCluster;
 201   using simgrid::surf::AsClusterTorus;
 202   using simgrid::surf::AsClusterFatTree;
 203
 204   char *host_id, *groups, *link_id = NULL;
 205   xbt_dict_t patterns = NULL;
 206   int rankId=0;
 207
 208   s_sg_platf_host_cbarg_t host = SG_PLATF_HOST_INITIALIZER;
 209   s_sg_platf_link_cbarg_t link = SG_PLATF_LINK_INITIALIZER;
 210
 211   unsigned int iter;
 212
 213   if ((cluster->availability_trace && strcmp(cluster->availability_trace, ""))
 214       || (cluster->state_trace && strcmp(cluster->state_trace, ""))) {
 215     patterns = xbt_dict_new_homogeneous(xbt_free_f);
 216     xbt_dict_set(patterns, "id", xbt_strdup(cluster->id), NULL);
 217     xbt_dict_set(patterns, "prefix", xbt_strdup(cluster->prefix), NULL);
 218     xbt_dict_set(patterns, "suffix", xbt_strdup(cluster->suffix), NULL);
 219   }
 220
 221   /* Parse the topology attributes.
 222    * Nothing to do in a vanilla cluster, but that's another story for torus and flat_trees */
 223   s_sg_platf_AS_cbarg_t AS = SG_PLATF_AS_INITIALIZER;
 224   AS.id = cluster->id;
 225
 226   switch (cluster->topology) {
 227   case SURF_CLUSTER_TORUS:
 228     AS.routing = A_surfxml_AS_routing_ClusterTorus;
 229     break;
 230   case SURF_CLUSTER_FAT_TREE:
 231     AS.routing = A_surfxml_AS_routing_ClusterFatTree;
 232     break;
 233   default:
 234     AS.routing = A_surfxml_AS_routing_Cluster;
 235     break;
 236   }
 237
 238   // What an inventive way of initializing the AS that I have as ancestor :-(
 239   sg_platf_new_AS_begin(&AS);
 240   simgrid::surf::AsImpl *current_routing = routing_get_current();
 241   static_cast<AsCluster*>(current_routing)->parse_specific_arguments(cluster);
 242
 243   if(cluster->loopback_bw!=0 || cluster->loopback_lat!=0){
 244       ((AsCluster*)current_routing)->nb_links_per_node_++;
 245       ((AsCluster*)current_routing)->has_loopback_=1;
 246   }
 247
 248   if(cluster->limiter_link!=0){
 249       ((AsCluster*)current_routing)->nb_links_per_node_++;
 250       ((AsCluster*)current_routing)->has_limiter_=1;
 251   }
 252
 253
 254   //Make all hosts
 255   xbt_dynar_t radical_elements = xbt_str_split(cluster->radical, ",");
 256   xbt_dynar_foreach(radical_elements, iter, groups) {
 257
 258     xbt_dynar_t radical_ends = xbt_str_split(groups, "-");
 259     int start = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 0, char *));
 260     int end;
 261
 262     switch (xbt_dynar_length(radical_ends)) {
 263     case 1:
 264       end = start;
 265       break;
 266     case 2:
 267       end = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 1, char *));
 268       break;
 269     default:
 270       surf_parse_error("Malformed radical");
 271       break;
 272     }
 273     for (int i = start; i <= end; i++) {
 274       host_id = bprintf("%s%d%s", cluster->prefix, i, cluster->suffix);
 275       link_id = bprintf("%s_link_%d", cluster->id, i);
 276
 277       XBT_DEBUG("<host\tid=\"%s\"\tpower=\"%f\">", host_id, cluster->speed);
 278
 279       memset(&host, 0, sizeof(host));
 280       host.id = host_id;
 281       if ((cluster->properties != NULL) && (!xbt_dict_is_empty(cluster->properties))) {
 282         xbt_dict_cursor_t cursor=NULL;
 283         char *key,*data;
 284         host.properties = xbt_dict_new();
 285
 286         xbt_dict_foreach(cluster->properties,cursor,key,data) {
 287           xbt_dict_set(host.properties, key, xbt_strdup(data),free);
 288         }
 289       }
 290       if (cluster->availability_trace && strcmp(cluster->availability_trace, "")) {
 291         xbt_dict_set(patterns, "radical", bprintf("%d", i), NULL);
 292         char *avail_file = xbt_str_varsubst(cluster->availability_trace, patterns);
 293         XBT_DEBUG("\tavailability_file=\"%s\"", avail_file);
 294         if (avail_file && avail_file[0])
 295           host.speed_trace = tmgr_trace_new_from_file(avail_file);
 296         xbt_free(avail_file);
 297       } else {
 298         XBT_DEBUG("\tavailability_file=\"\"");
 299       }
 300
 301       if (cluster->state_trace && strcmp(cluster->state_trace, "")) {
 302         char *avail_file = xbt_str_varsubst(cluster->state_trace, patterns);
 303         XBT_DEBUG("\tstate_file=\"%s\"", avail_file);
 304         if (avail_file && avail_file[0])
 305           host.state_trace = tmgr_trace_new_from_file(avail_file);
 306         xbt_free(avail_file);
 307       } else {
 308         XBT_DEBUG("\tstate_file=\"\"");
 309       }
 310
 311       host.speed_per_pstate = xbt_dynar_new(sizeof(double), NULL);
 312       xbt_dynar_push(host.speed_per_pstate,&cluster->speed);
 313       host.pstate = 0;
 314
 315       //host.power_peak = cluster->power;
 316       host.core_amount = cluster->core_amount;
 317       host.coord = "";
 318       sg_platf_new_host(&host);
 319       xbt_dynar_free(&host.speed_per_pstate);
 320       XBT_DEBUG("</host>");
 321
 322       XBT_DEBUG("<link\tid=\"%s\"\tbw=\"%f\"\tlat=\"%f\"/>", link_id,
 323                 cluster->bw, cluster->lat);
 324
 325
 326       s_surf_parsing_link_up_down_t info_lim, info_loop;
 327       // All links are saved in a matrix;
 328       // every row describes a single node; every node
 329       // may have multiple links.
 330       // the first column may store a link from x to x if p_has_loopback is set
 331       // the second column may store a limiter link if p_has_limiter is set
 332       // other columns are to store one or more link for the node
 333
 334       //add a loopback link
 335       if(cluster->loopback_bw!=0 || cluster->loopback_lat!=0){
 336         char *tmp_link = bprintf("%s_loopback", link_id);
 337         XBT_DEBUG("<loopback\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->loopback_bw;
 344         link.latency   = cluster->loopback_lat;
 345         link.policy    = SURF_LINK_FATPIPE;
 346         sg_platf_new_link(&link);
 347         info_loop.link_up   = Link::byName(tmp_link);
 348         info_loop.link_down = info_loop.link_up;
 349         free(tmp_link);
 350         xbt_dynar_set(current_routing->upDownLinks, rankId*(static_cast<AsCluster*>(current_routing))->nb_links_per_node_, &info_loop);
 351       }
 352
 353       //add a limiter link (shared link to account for maximal bandwidth of the node)
 354       if(cluster->limiter_link!=0){
 355         char *tmp_link = bprintf("%s_limiter", link_id);
 356         XBT_DEBUG("<limiter\tid=\"%s\"\tbw=\"%f\"/>", tmp_link,
 357                 cluster->limiter_link);
 358
 359
 360         memset(&link, 0, sizeof(link));
 361         link.id = tmp_link;
 362         link.bandwidth = cluster->limiter_link;
 363         link.latency = 0;
 364         link.policy = SURF_LINK_SHARED;
 365         sg_platf_new_link(&link);
 366         info_lim.link_up = Link::byName(tmp_link);
 367         info_lim.link_down = info_lim.link_up;
 368         free(tmp_link);
 369         auto as_cluster = static_cast<AsCluster*>(current_routing);
 370         xbt_dynar_set(current_routing->upDownLinks, rankId*(as_cluster)->nb_links_per_node_ + as_cluster->has_loopback_ , &info_lim);
 371
 372       }
 373
 374
 375       //call the cluster function that adds the others links
 376       if (cluster->topology == SURF_CLUSTER_FAT_TREE) {
 377         ((AsClusterFatTree*) current_routing)->addProcessingNode(i);
 378       }
 379       else {
 380       static_cast<AsCluster*>(current_routing)->create_links_for_node(cluster, i, rankId, rankId*
 381           static_cast<AsCluster*>(current_routing)->nb_links_per_node_
 382           + static_cast<AsCluster*>(current_routing)->has_loopback_
 383           + static_cast<AsCluster*>(current_routing)->has_limiter_ );
 384       }
 385       xbt_free(link_id);
 386       xbt_free(host_id);
 387       rankId++;
 388     }
 389
 390     xbt_dynar_free(&radical_ends);
 391   }
 392   xbt_dynar_free(&radical_elements);
 393
 394   // For fat trees, the links must be created once all nodes have been added
 395   if(cluster->topology == SURF_CLUSTER_FAT_TREE) {
 396     static_cast<simgrid::surf::AsClusterFatTree*>(current_routing)->create_links();
 397   }
 398   // Add a router. It is magically used thanks to the way in which surf_routing_cluster is written,
 399   // and it's very useful to connect clusters together
 400   XBT_DEBUG(" ");
 401   XBT_DEBUG("<router id=\"%s\"/>", cluster->router_id);
 402   char *newid = NULL;
 403   s_sg_platf_router_cbarg_t router = SG_PLATF_ROUTER_INITIALIZER;
 404   memset(&router, 0, sizeof(router));
 405   router.id = cluster->router_id;
 406   router.coord = "";
 407   if (!router.id || !strcmp(router.id, ""))
 408     router.id = newid =
 409         bprintf("%s%s_router%s", cluster->prefix, cluster->id,
 410                 cluster->suffix);
 411   sg_platf_new_router(&router);
 412   ((AsCluster*)current_routing)->router_ = (simgrid::surf::NetCard*) xbt_lib_get_or_null(as_router_lib, router.id, ROUTING_ASR_LEVEL);
 413   free(newid);
 414
 415   //Make the backbone
 416   if ((cluster->bb_bw != 0) || (cluster->bb_lat != 0)) {
 417     char *link_backbone = bprintf("%s_backbone", cluster->id);
 418     XBT_DEBUG("<link\tid=\"%s\" bw=\"%f\" lat=\"%f\"/>", link_backbone,
 419               cluster->bb_bw, cluster->bb_lat);
 420
 421     memset(&link, 0, sizeof(link));
 422     link.id        = link_backbone;
 423     link.bandwidth = cluster->bb_bw;
 424     link.latency   = cluster->bb_lat;
 425     link.policy    = cluster->bb_sharing_policy;
 426
 427     sg_platf_new_link(&link);
 428
 429     routing_cluster_add_backbone(Link::byName(link_backbone));
 430
 431     free(link_backbone);
 432   }
 433
 434   XBT_DEBUG("</AS>");
 435   sg_platf_new_AS_end();
 436   XBT_DEBUG(" ");
 437   xbt_dict_free(&patterns); // no op if it were never set
 438
 439   simgrid::surf::on_cluster(cluster);
 440 }
 441 void routing_cluster_add_backbone(simgrid::surf::Link* bb) {
 442   simgrid::surf::AsCluster *cluster = dynamic_cast<simgrid::surf::AsCluster*>(current_routing);
 443
 444   xbt_assert(cluster, "Only hosts from Cluster can get a backbone.");
 445   xbt_assert(nullptr == cluster->backbone_, "Cluster %s already has a backbone link!", cluster->name());
 446
 447   cluster->backbone_ = bb;
 448   XBT_DEBUG("Add a backbone to AS '%s'", current_routing->name());
 449 }
 450
 451 void sg_platf_new_cabinet(sg_platf_cabinet_cbarg_t cabinet)
 452 {
 453   int start, end, i;
 454   char *groups , *host_id , *link_id = NULL;
 455   unsigned int iter;
 456   xbt_dynar_t radical_elements;
 457   xbt_dynar_t radical_ends;
 458
 459   //Make all hosts
 460   radical_elements = xbt_str_split(cabinet->radical, ",");
 461   xbt_dynar_foreach(radical_elements, iter, groups) {
 462
 463     radical_ends = xbt_str_split(groups, "-");
 464     start = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 0, char *));
 465
 466     switch (xbt_dynar_length(radical_ends)) {
 467     case 1:
 468       end = start;
 469       break;
 470     case 2:
 471       end = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 1, char *));
 472       break;
 473     default:
 474       surf_parse_error("Malformed radical");
 475       break;
 476     }
 477     s_sg_platf_host_cbarg_t host = SG_PLATF_HOST_INITIALIZER;
 478     memset(&host, 0, sizeof(host));
 479     host.pstate        = 0;
 480     host.core_amount   = 1;
 481
 482     s_sg_platf_link_cbarg_t link = SG_PLATF_LINK_INITIALIZER;
 483     memset(&link, 0, sizeof(link));
 484     link.policy    = SURF_LINK_FULLDUPLEX;
 485     link.latency   = cabinet->lat;
 486     link.bandwidth = cabinet->bw;
 487
 488     s_sg_platf_host_link_cbarg_t host_link = SG_PLATF_HOST_LINK_INITIALIZER;
 489     memset(&host_link, 0, sizeof(host_link));
 490
 491     for (i = start; i <= end; i++) {
 492       host_id                      = bprintf("%s%d%s",cabinet->prefix,i,cabinet->suffix);
 493       link_id                      = bprintf("link_%s%d%s",cabinet->prefix,i,cabinet->suffix);
 494       host.id                      = host_id;
 495       link.id                      = link_id;
 496       host.speed_per_pstate = xbt_dynar_new(sizeof(double), NULL);
 497       xbt_dynar_push(host.speed_per_pstate,&cabinet->speed);
 498       sg_platf_new_host(&host);
 499       xbt_dynar_free(&host.speed_per_pstate);
 500       sg_platf_new_link(&link);
 501
 502       char* link_up       = bprintf("%s_UP",link_id);
 503       char* link_down     = bprintf("%s_DOWN",link_id);
 504       host_link.id        = host_id;
 505       host_link.link_up   = link_up;
 506       host_link.link_down = link_down;
 507       sg_platf_new_hostlink(&host_link);
 508
 509       free(host_id);
 510       free(link_id);
 511       free(link_up);
 512       free(link_down);
 513     }
 514
 515     xbt_dynar_free(&radical_ends);
 516   }
 517   xbt_dynar_free(&radical_elements);
 518 }
 519
 520 void sg_platf_new_storage(sg_platf_storage_cbarg_t storage)
 521 {
 522   xbt_assert(!xbt_lib_get_or_null(storage_lib, storage->id,ROUTING_STORAGE_LEVEL),
 523                "Refusing to add a second storage named \"%s\"", storage->id);
 524
 525   void* stype = xbt_lib_get_or_null(storage_type_lib, storage->type_id,ROUTING_STORAGE_TYPE_LEVEL);
 526   xbt_assert(stype,"No storage type '%s'", storage->type_id);
 527
 528   XBT_DEBUG("ROUTING Create a storage name '%s' with type_id '%s' and content '%s'",
 529       storage->id,
 530       storage->type_id,
 531       storage->content);
 532
 533   xbt_lib_set(storage_lib, storage->id, ROUTING_STORAGE_LEVEL, (void *) xbt_strdup(storage->type_id));
 534
 535   // if storage content is not specified use the content of storage_type if any
 536   if(!strcmp(storage->content,"") && strcmp(((storage_type_t) stype)->content,"")){
 537     storage->content = ((storage_type_t) stype)->content;
 538     storage->content_type = ((storage_type_t) stype)->content_type;
 539     XBT_DEBUG("For disk '%s' content is empty, inherit the content (of type %s) from storage type '%s' ",
 540         storage->id,((storage_type_t) stype)->content_type,
 541         ((storage_type_t) stype)->type_id);
 542   }
 543
 544   XBT_DEBUG("SURF storage create resource\n\t\tid '%s'\n\t\ttype '%s' "
 545       "\n\t\tmodel '%s' \n\t\tcontent '%s'\n\t\tcontent_type '%s' "
 546       "\n\t\tproperties '%p''\n",
 547       storage->id,
 548       ((storage_type_t) stype)->model,
 549       ((storage_type_t) stype)->type_id,
 550       storage->content,
 551       storage->content_type,
 552     storage->properties);
 553
 554   surf_storage_model->createStorage(storage->id,
 555                                      ((storage_type_t) stype)->type_id,
 556                                      storage->content,
 557                                      storage->content_type,
 558                    storage->properties,
 559                                      storage->attach);
 560 }
 561 void sg_platf_new_storage_type(sg_platf_storage_type_cbarg_t storage_type){
 562
 563   xbt_assert(!xbt_lib_get_or_null(storage_type_lib, storage_type->id,ROUTING_STORAGE_TYPE_LEVEL),
 564                "Reading a storage type, processing unit \"%s\" already exists", storage_type->id);
 565
 566   storage_type_t stype = xbt_new0(s_storage_type_t, 1);
 567   stype->model = xbt_strdup(storage_type->model);
 568   stype->properties = storage_type->properties;
 569   stype->content = xbt_strdup(storage_type->content);
 570   stype->content_type = xbt_strdup(storage_type->content_type);
 571   stype->type_id = xbt_strdup(storage_type->id);
 572   stype->size = storage_type->size;
 573   stype->model_properties = storage_type->model_properties;
 574
 575   XBT_DEBUG("ROUTING Create a storage type id '%s' with model '%s', "
 576       "content '%s', and content_type '%s'",
 577       stype->type_id,
 578       stype->model,
 579       storage_type->content,
 580       storage_type->content_type);
 581
 582   xbt_lib_set(storage_type_lib,
 583       stype->type_id,
 584       ROUTING_STORAGE_TYPE_LEVEL,
 585       (void *) stype);
 586 }
 587 void sg_platf_new_mstorage(sg_platf_mstorage_cbarg_t mstorage)
 588 {
 589   THROW_UNIMPLEMENTED;
 590 }
 591
 592 static void mount_free(void *p)
 593 {
 594   mount_t mnt = (mount_t) p;
 595   xbt_free(mnt->name);
 596 }
 597
 598 void sg_platf_new_mount(sg_platf_mount_cbarg_t mount){
 599   // Verification of an existing storage
 600   xbt_assert(xbt_lib_get_or_null(storage_lib, mount->storageId, ROUTING_STORAGE_LEVEL),
 601       "Cannot mount non-existent disk \"%s\"", mount->storageId);
 602
 603   XBT_DEBUG("ROUTING Mount '%s' on '%s'",mount->storageId, mount->name);
 604
 605   s_mount_t mnt;
 606   mnt.storage = surf_storage_resource_priv(surf_storage_resource_by_name(mount->storageId));
 607   mnt.name = xbt_strdup(mount->name);
 608
 609   if(!mount_list){
 610     XBT_DEBUG("Create a Mount list for %s",A_surfxml_host_id);
 611     mount_list = xbt_dynar_new(sizeof(s_mount_t), mount_free);
 612   }
 613   xbt_dynar_push(mount_list, &mnt);
 614 }
 615
 616 void sg_platf_new_route(sg_platf_route_cbarg_t route)
 617 {
 618   routing_get_current()->addRoute(route);
 619 }
 620
 621 void sg_platf_new_bypassRoute(sg_platf_route_cbarg_t bypassRoute)
 622 {
 623   routing_get_current()->addBypassRoute(bypassRoute);
 624 }
 625
 626 void sg_platf_new_process(sg_platf_process_cbarg_t process)
 627 {
 628   xbt_assert(simix_global,"Cannot create process without SIMIX.");
 629
 630   sg_host_t host = sg_host_by_name(process->host);
 631   if (!host) {
 632     // The requested host does not exist. Do a nice message to the user
 633     char *tmp = bprintf("Cannot create process '%s': host '%s' does not exist\nExisting hosts: '",process->function, process->host);
 634     xbt_strbuff_t msg = xbt_strbuff_new_from(tmp);
 635     free(tmp);
 636     xbt_dynar_t all_hosts = xbt_dynar_sort_strings(sg_hosts_as_dynar());
 637     simgrid::s4u::Host* host;
 638     unsigned int cursor;
 639     xbt_dynar_foreach(all_hosts,cursor, host) {
 640       xbt_strbuff_append(msg,host->name().c_str());
 641       xbt_strbuff_append(msg,"', '");
 642       if (msg->used > 1024) {
 643         msg->data[msg->used-3]='\0';
 644         msg->used -= 3;
 645
 646         xbt_strbuff_append(msg," ...(list truncated)......");// That will be shortened by 3 chars when existing the loop
 647       }
 648     }
 649     msg->data[msg->used-3]='\0';
 650     xbt_die("%s", msg->data);
 651   }
 652   xbt_main_func_t parse_code = SIMIX_get_registered_function(process->function);
 653   xbt_assert(parse_code, "Function '%s' unknown", process->function);
 654
 655   double start_time = process->start_time;
 656   double kill_time  = process->kill_time;
 657   int auto_restart = process->on_failure == SURF_PROCESS_ON_FAILURE_DIE ? 0 : 1;
 658
 659   smx_process_arg_t arg = NULL;
 660   smx_process_t process_created = NULL;
 661
 662   arg = xbt_new0(s_smx_process_arg_t, 1);
 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 = xbt_new(char *,process->argc);
 668   int i;
 669   for (i=0; i<process->argc; i++)
 670     arg->argv[i] = xbt_strdup(process->argv[i]);
 671   arg->name = xbt_strdup(arg->argv[0]);
 672   arg->kill_time = kill_time;
 673   arg->properties = current_property_set;
 674   if (!sg_host_simix(host)->boot_processes) {
 675     sg_host_simix(host)->boot_processes = xbt_dynar_new(sizeof(smx_process_arg_t), _SIMIX_host_free_process_arg);
 676   }
 677   xbt_dynar_push_as(sg_host_simix(host)->boot_processes,smx_process_arg_t,arg);
 678
 679   if (start_time > SIMIX_get_clock()) {
 680     arg = xbt_new0(s_smx_process_arg_t, 1);
 681     arg->name = (char*)(process->argv)[0];
 682     arg->code = parse_code;
 683     arg->data = NULL;
 684     arg->hostname = sg_host_get_name(host);
 685     arg->argc = process->argc;
 686     arg->argv = (char**)(process->argv);
 687     arg->kill_time = kill_time;
 688     arg->properties = current_property_set;
 689
 690     XBT_DEBUG("Process %s(%s) will be started at time %f", arg->name,
 691            arg->hostname, start_time);
 692     SIMIX_timer_set(start_time, [](void* arg) {
 693       SIMIX_process_create_from_wrapper((smx_process_arg_t) arg);
 694     }, arg);
 695   } else {                      // start_time <= SIMIX_get_clock()
 696     XBT_DEBUG("Starting Process %s(%s) right now", arg->name, sg_host_get_name(host));
 697
 698     if (simix_global->create_process_function)
 699       process_created = simix_global->create_process_function(
 700           arg->name,
 701                                             parse_code,
 702                                             NULL,
 703                                             sg_host_get_name(host),
 704                                             kill_time,
 705                                             process->argc,
 706                                             (char**)(process->argv),
 707                                             current_property_set,
 708                                             auto_restart, NULL);
 709     else
 710       process_created = simcall_process_create(arg->name, parse_code, NULL, sg_host_get_name(host), kill_time, process->argc,
 711           (char**)process->argv, current_property_set,auto_restart);
 712
 713     /* verify if process has been created (won't be the case if the host is currently dead, but that's fine) */
 714     if (!process_created) {
 715       return;
 716     }
 717   }
 718   current_property_set = NULL;
 719 }
 720
 721 void sg_platf_new_peer(sg_platf_peer_cbarg_t peer)
 722 {
 723   using simgrid::surf::NetCard;
 724   using simgrid::surf::AsCluster;
 725
 726   char *host_id = NULL;
 727   char *link_id = NULL;
 728   char *router_id = NULL;
 729
 730   XBT_DEBUG(" ");
 731   host_id = bprintf("peer_%s", peer->id);
 732   link_id = bprintf("link_%s", peer->id);
 733   router_id = bprintf("router_%s", peer->id);
 734
 735   XBT_DEBUG("<AS id=\"%s\"\trouting=\"Cluster\">", peer->id);
 736   s_sg_platf_AS_cbarg_t AS = SG_PLATF_AS_INITIALIZER;
 737   AS.id                    = peer->id;
 738   AS.routing               = A_surfxml_AS_routing_Cluster;
 739   sg_platf_new_AS_begin(&AS);
 740
 741   XBT_DEBUG("<host\tid=\"%s\"\tpower=\"%f\"/>", host_id, peer->speed);
 742   s_sg_platf_host_cbarg_t host = SG_PLATF_HOST_INITIALIZER;
 743   memset(&host, 0, sizeof(host));
 744   host.id = host_id;
 745
 746   host.speed_per_pstate = xbt_dynar_new(sizeof(double), NULL);
 747   xbt_dynar_push(host.speed_per_pstate,&peer->speed);
 748   host.pstate = 0;
 749   //host.power_peak = peer->power;
 750   host.speed_trace = peer->availability_trace;
 751   host.state_trace = peer->state_trace;
 752   host.core_amount = 1;
 753   sg_platf_new_host(&host);
 754   xbt_dynar_free(&host.speed_per_pstate);
 755
 756   s_sg_platf_link_cbarg_t link = SG_PLATF_LINK_INITIALIZER;
 757   memset(&link, 0, sizeof(link));
 758   link.policy  = SURF_LINK_SHARED;
 759   link.latency = peer->lat;
 760
 761   char* link_up = bprintf("%s_UP",link_id);
 762   XBT_DEBUG("<link\tid=\"%s\"\tbw=\"%f\"\tlat=\"%f\"/>", link_up, peer->bw_out, peer->lat);
 763   link.id = link_up;
 764   link.bandwidth = peer->bw_out;
 765   sg_platf_new_link(&link);
 766
 767   char* link_down = bprintf("%s_DOWN",link_id);
 768   XBT_DEBUG("<link\tid=\"%s\"\tbw=\"%f\"\tlat=\"%f\"/>", link_down, peer->bw_in, peer->lat);
 769   link.id = link_down;
 770   link.bandwidth = peer->bw_in;
 771   sg_platf_new_link(&link);
 772
 773   XBT_DEBUG("<host_link\tid=\"%s\"\tup=\"%s\"\tdown=\"%s\" />", host_id,link_up,link_down);
 774   s_sg_platf_host_link_cbarg_t host_link = SG_PLATF_HOST_LINK_INITIALIZER;
 775   memset(&host_link, 0, sizeof(host_link));
 776   host_link.id        = host_id;
 777   host_link.link_up   = link_up;
 778   host_link.link_down = link_down;
 779   sg_platf_new_hostlink(&host_link);
 780
 781   XBT_DEBUG("<router id=\"%s\"/>", router_id);
 782   s_sg_platf_router_cbarg_t router = SG_PLATF_ROUTER_INITIALIZER;
 783   memset(&router, 0, sizeof(router));
 784   router.id = router_id;
 785   router.coord = peer->coord;
 786   sg_platf_new_router(&router);
 787   static_cast<AsCluster*>(current_routing)->router_ = static_cast<NetCard*>(xbt_lib_get_or_null(as_router_lib, router.id, ROUTING_ASR_LEVEL));
 788
 789   XBT_DEBUG("</AS>");
 790   sg_platf_new_AS_end();
 791   XBT_DEBUG(" ");
 792
 793   //xbt_dynar_free(&tab_elements_num);
 794   free(router_id);
 795   free(host_id);
 796   free(link_id);
 797   free(link_up);
 798   free(link_down);
 799 }
 800
 801 void sg_platf_begin() { /* Do nothing: just for symmetry of user code */ }
 802
 803 void sg_platf_end() {
 804   simgrid::surf::on_postparse();
 805 }
 806
 807 /* Pick the right models for CPU, net and host, and call their model_init_preparse */
 808 static void surf_config_models_setup()
 809 {
 810   const char *host_model_name;
 811   const char *vm_model_name;
 812   int host_id = -1;
 813   int vm_id = -1;
 814   char *network_model_name = NULL;
 815   char *cpu_model_name = NULL;
 816   int storage_id = -1;
 817   char *storage_model_name = NULL;
 818
 819   host_model_name = xbt_cfg_get_string(_sg_cfg_set, "host/model");
 820   vm_model_name = xbt_cfg_get_string(_sg_cfg_set, "vm/model");
 821   network_model_name = xbt_cfg_get_string(_sg_cfg_set, "network/model");
 822   cpu_model_name = xbt_cfg_get_string(_sg_cfg_set, "cpu/model");
 823   storage_model_name = xbt_cfg_get_string(_sg_cfg_set, "storage/model");
 824
 825   /* Check whether we use a net/cpu model differing from the default ones, in which case
 826    * we should switch to the "compound" host model to correctly dispatch stuff to
 827    * the right net/cpu models.
 828    */
 829
 830   if ((!xbt_cfg_is_default_value(_sg_cfg_set, "network/model") ||
 831        !xbt_cfg_is_default_value(_sg_cfg_set, "cpu/model")) &&
 832       xbt_cfg_is_default_value(_sg_cfg_set, "host/model")) {
 833     host_model_name = "compound";
 834     xbt_cfg_set_string(_sg_cfg_set, "host/model", host_model_name);
 835   }
 836
 837   XBT_DEBUG("host model: %s", host_model_name);
 838   host_id = find_model_description(surf_host_model_description, host_model_name);
 839   if (!strcmp(host_model_name, "compound")) {
 840     int network_id = -1;
 841     int cpu_id = -1;
 842
 843     xbt_assert(cpu_model_name,
 844                 "Set a cpu model to use with the 'compound' host model");
 845
 846     xbt_assert(network_model_name,
 847                 "Set a network model to use with the 'compound' host model");
 848
 849     if(surf_cpu_model_init_preparse){
 850       surf_cpu_model_init_preparse();
 851     } else {
 852       cpu_id =
 853           find_model_description(surf_cpu_model_description, cpu_model_name);
 854       surf_cpu_model_description[cpu_id].model_init_preparse();
 855     }
 856
 857     network_id =
 858         find_model_description(surf_network_model_description,
 859                                network_model_name);
 860     surf_network_model_description[network_id].model_init_preparse();
 861   }
 862
 863   XBT_DEBUG("Call host_model_init");
 864   surf_host_model_description[host_id].model_init_preparse();
 865
 866   XBT_DEBUG("Call vm_model_init");
 867   vm_id = find_model_description(surf_vm_model_description, vm_model_name);
 868   surf_vm_model_description[vm_id].model_init_preparse();
 869
 870   XBT_DEBUG("Call storage_model_init");
 871   storage_id = find_model_description(surf_storage_model_description, storage_model_name);
 872   surf_storage_model_description[storage_id].model_init_preparse();
 873
 874 }
 875
 876 /**
 877  * \brief Make a new routing component to the platform
 878  *
 879  * Add a new autonomous system to the platform. Any elements (such as host,
 880  * router or sub-AS) added after this call and before the corresponding call
 881  * to sg_platf_new_AS_close() will be added to this AS.
 882  *
 883  * Once this function was called, the configuration concerning the used
 884  * models cannot be changed anymore.
 885  *
 886  * @param AS_id name of this autonomous system. Must be unique in the platform
 887  * @param wanted_routing_type one of Full, Floyd, Dijkstra or similar. Full list in the variable routing_models, in src/surf/surf_routing.c
 888  */
 889 void sg_platf_new_AS_begin(sg_platf_AS_cbarg_t AS)
 890 {
 891   if (!surf_parse_models_setup_already_called) {
 892     /* Initialize the surf models. That must be done after we got all config, and before we need the models.
 893      * That is, after the last <config> tag, if any, and before the first of cluster|peer|AS|trace|trace_connect
 894      *
 895      * I'm not sure for <trace> and <trace_connect>, there may be a bug here
 896      * (FIXME: check it out by creating a file beginning with one of these tags)
 897      * but cluster and peer create ASes internally, so putting the code in there is ok.
 898      */
 899     surf_parse_models_setup_already_called = 1;
 900     surf_config_models_setup();
 901   }
 902
 903   xbt_assert(nullptr == xbt_lib_get_or_null(as_router_lib, AS->id, ROUTING_ASR_LEVEL),
 904       "Refusing to create a second AS called \"%s\".", AS->id);
 905
 906   _sg_cfg_init_status = 2; /* HACK: direct access to the global controlling the level of configuration to prevent
 907                             * any further config now that we created some real content */
 908
 909
 910   /* search the routing model */
 911   simgrid::surf::AsImpl *new_as = NULL;
 912   switch(AS->routing){
 913     case A_surfxml_AS_routing_Cluster:        new_as = new simgrid::surf::AsCluster(AS->id);        break;
 914     case A_surfxml_AS_routing_ClusterTorus:   new_as = new simgrid::surf::AsClusterTorus(AS->id);   break;
 915     case A_surfxml_AS_routing_ClusterFatTree: new_as = new simgrid::surf::AsClusterFatTree(AS->id); break;
 916     case A_surfxml_AS_routing_Dijkstra:       new_as = new simgrid::surf::AsDijkstra(AS->id, 0);    break;
 917     case A_surfxml_AS_routing_DijkstraCache:  new_as = new simgrid::surf::AsDijkstra(AS->id, 1);    break;
 918     case A_surfxml_AS_routing_Floyd:          new_as = new simgrid::surf::AsFloyd(AS->id);          break;
 919     case A_surfxml_AS_routing_Full:           new_as = new simgrid::surf::AsFull(AS->id);           break;
 920     case A_surfxml_AS_routing_None:           new_as = new simgrid::surf::AsNone(AS->id);           break;
 921     case A_surfxml_AS_routing_Vivaldi:        new_as = new simgrid::surf::AsVivaldi(AS->id);        break;
 922     default:                                  xbt_die("Not a valid model!");                        break;
 923   }
 924
 925   /* make a new routing component */
 926   simgrid::surf::NetCard *netcard = new simgrid::surf::NetCardImpl(new_as->name(), SURF_NETWORK_ELEMENT_AS, current_routing);
 927
 928   if (current_routing == NULL && routing_platf->root_ == NULL) {
 929     /* it is the first one */
 930     routing_platf->root_ = new_as;
 931     netcard->setId(-1);
 932   } else if (current_routing != NULL && routing_platf->root_ != NULL) {
 933
 934     xbt_assert(!xbt_dict_get_or_null(current_routing->children(), AS->id),
 935                "The AS \"%s\" already exists", AS->id);
 936     /* it is a part of the tree */
 937     new_as->father_ = current_routing;
 938     /* set the father behavior */
 939     if (current_routing->hierarchy_ == simgrid::surf::AsImpl::RoutingMode::unset)
 940       current_routing->hierarchy_ = simgrid::surf::AsImpl::RoutingMode::recursive;
 941     /* add to the sons dictionary */
 942     xbt_dict_set(current_routing->children(), AS->id, (void *) new_as, NULL);
 943     /* add to the father element list */
 944     netcard->setId(current_routing->addComponent(netcard));
 945   } else {
 946     THROWF(arg_error, 0, "All defined components must belong to a AS");
 947   }
 948
 949   xbt_lib_set(as_router_lib, netcard->name(), ROUTING_ASR_LEVEL, (void *) netcard);
 950   XBT_DEBUG("Having set name '%s' id '%d'", new_as->name(), netcard->id());
 951
 952   /* set the new current component of the tree */
 953   current_routing = new_as;
 954   current_routing->netcard_ = netcard;
 955
 956   simgrid::surf::netcardCreatedCallbacks(netcard);
 957   simgrid::surf::asCreatedCallbacks(new_as);
 958   if (TRACE_is_enabled())
 959     sg_instr_AS_begin(AS);
 960 }
 961
 962 /**
 963  * \brief Specify that the current description of AS is finished
 964  *
 965  * Once you've declared all the content of your AS, you have to close
 966  * it with this call. Your AS is not usable until you call this function.
 967  */
 968 void sg_platf_new_AS_end()
 969 {
 970   xbt_assert(current_routing, "Cannot seal the current AS: none under construction");
 971   current_routing->seal();
 972   current_routing = static_cast<simgrid::surf::AsImpl*>(current_routing->father());
 973
 974   if (TRACE_is_enabled())
 975     sg_instr_AS_end();
 976 }
 977
 978 /** @brief Add a link connecting an host to the rest of its AS (which must be cluster or vivaldi) */
 979 void sg_platf_new_hostlink(sg_platf_host_link_cbarg_t netcard_arg)
 980 {
 981   simgrid::surf::NetCard *netcard = sg_host_by_name(netcard_arg->id)->pimpl_netcard;
 982   xbt_assert(netcard, "Host '%s' not found!", netcard_arg->id);
 983   xbt_assert(dynamic_cast<simgrid::surf::AsCluster*>(current_routing) ||
 984              dynamic_cast<simgrid::surf::AsVivaldi*>(current_routing),
 985       "Only hosts from Cluster and Vivaldi ASes can get a host_link.");
 986
 987   s_surf_parsing_link_up_down_t link_up_down;
 988   link_up_down.link_up = Link::byName(netcard_arg->link_up);
 989   link_up_down.link_down = Link::byName(netcard_arg->link_down);
 990
 991   xbt_assert(link_up_down.link_up, "Link '%s' not found!",netcard_arg->link_up);
 992   xbt_assert(link_up_down.link_down, "Link '%s' not found!",netcard_arg->link_down);
 993
 994   // If dynar is is greater than netcard id and if the host_link is already defined
 995   if((int)xbt_dynar_length(current_routing->upDownLinks) > netcard->id() &&
 996       xbt_dynar_get_as(current_routing->upDownLinks, netcard->id(), void*))
 997   surf_parse_error("Host_link for '%s' is already defined!",netcard_arg->id);
 998
 999   XBT_DEBUG("Push Host_link for host '%s' to position %d", netcard->name(), netcard->id());
1000   xbt_dynar_set_as(current_routing->upDownLinks, netcard->id(), s_surf_parsing_link_up_down_t, link_up_down);
1001 }