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   std::vector<char*> names;
 176
 177   if (link->policy == SURF_LINK_FULLDUPLEX) {
 178     names.push_back(bprintf("%s_UP", link->id));
 179     names.push_back(bprintf("%s_DOWN", link->id));
 180   } else {
 181     names.push_back(xbt_strdup(link->id));
 182   }
 183   for (auto link_name : names) {
 184     Link *l = surf_network_model->createLink(link_name, link->bandwidth, link->latency, link->policy, link->properties);
 185
 186     if (link->latency_trace)
 187       l->setLatencyTrace(link->latency_trace);
 188     if (link->bandwidth_trace)
 189       l->setBandwidthTrace(link->bandwidth_trace);
 190     if (link->state_trace)
 191       l->setStateTrace(link->state_trace);
 192
 193     xbt_free(link_name);
 194   }
 195
 196   simgrid::surf::on_link(link);
 197 }
 198
 199 void sg_platf_new_cluster(sg_platf_cluster_cbarg_t cluster)
 200 {
 201   using simgrid::surf::AsCluster;
 202   using simgrid::surf::AsClusterTorus;
 203   using simgrid::surf::AsClusterFatTree;
 204
 205   char *host_id, *groups, *link_id = NULL;
 206   xbt_dict_t patterns = NULL;
 207   int rankId=0;
 208
 209   s_sg_platf_host_cbarg_t host = SG_PLATF_HOST_INITIALIZER;
 210   s_sg_platf_link_cbarg_t link = SG_PLATF_LINK_INITIALIZER;
 211
 212   unsigned int iter;
 213
 214   if ((cluster->availability_trace && strcmp(cluster->availability_trace, ""))
 215       || (cluster->state_trace && strcmp(cluster->state_trace, ""))) {
 216     patterns = xbt_dict_new_homogeneous(xbt_free_f);
 217     xbt_dict_set(patterns, "id", xbt_strdup(cluster->id), NULL);
 218     xbt_dict_set(patterns, "prefix", xbt_strdup(cluster->prefix), NULL);
 219     xbt_dict_set(patterns, "suffix", xbt_strdup(cluster->suffix), NULL);
 220   }
 221
 222   /* Parse the topology attributes.
 223    * Nothing to do in a vanilla cluster, but that's another story for torus and flat_trees */
 224   s_sg_platf_AS_cbarg_t AS = SG_PLATF_AS_INITIALIZER;
 225   AS.id = cluster->id;
 226
 227   switch (cluster->topology) {
 228   case SURF_CLUSTER_TORUS:
 229     AS.routing = A_surfxml_AS_routing_ClusterTorus;
 230     break;
 231   case SURF_CLUSTER_FAT_TREE:
 232     AS.routing = A_surfxml_AS_routing_ClusterFatTree;
 233     break;
 234   default:
 235     AS.routing = A_surfxml_AS_routing_Cluster;
 236     break;
 237   }
 238
 239   // What an inventive way of initializing the AS that I have as ancestor :-(
 240   sg_platf_new_AS_begin(&AS);
 241   simgrid::surf::AsImpl *current_routing = routing_get_current();
 242   static_cast<AsCluster*>(current_routing)->parse_specific_arguments(cluster);
 243
 244   if(cluster->loopback_bw!=0 || cluster->loopback_lat!=0){
 245       ((AsCluster*)current_routing)->nb_links_per_node_++;
 246       ((AsCluster*)current_routing)->has_loopback_=1;
 247   }
 248
 249   if(cluster->limiter_link!=0){
 250       ((AsCluster*)current_routing)->nb_links_per_node_++;
 251       ((AsCluster*)current_routing)->has_limiter_=1;
 252   }
 253
 254
 255   //Make all hosts
 256   xbt_dynar_t radical_elements = xbt_str_split(cluster->radical, ",");
 257   xbt_dynar_foreach(radical_elements, iter, groups) {
 258
 259     xbt_dynar_t radical_ends = xbt_str_split(groups, "-");
 260     int start = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 0, char *));
 261     int end;
 262
 263     switch (xbt_dynar_length(radical_ends)) {
 264     case 1:
 265       end = start;
 266       break;
 267     case 2:
 268       end = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 1, char *));
 269       break;
 270     default:
 271       surf_parse_error("Malformed radical");
 272       break;
 273     }
 274     for (int i = start; i <= end; i++) {
 275       host_id = bprintf("%s%d%s", cluster->prefix, i, cluster->suffix);
 276       link_id = bprintf("%s_link_%d", cluster->id, i);
 277
 278       XBT_DEBUG("<host\tid=\"%s\"\tpower=\"%f\">", host_id, cluster->speed);
 279
 280       memset(&host, 0, sizeof(host));
 281       host.id = host_id;
 282       if ((cluster->properties != NULL) && (!xbt_dict_is_empty(cluster->properties))) {
 283         xbt_dict_cursor_t cursor=NULL;
 284         char *key,*data;
 285         host.properties = xbt_dict_new();
 286
 287         xbt_dict_foreach(cluster->properties,cursor,key,data) {
 288           xbt_dict_set(host.properties, key, xbt_strdup(data),free);
 289         }
 290       }
 291       if (cluster->availability_trace && strcmp(cluster->availability_trace, "")) {
 292         xbt_dict_set(patterns, "radical", bprintf("%d", i), NULL);
 293         char *avail_file = xbt_str_varsubst(cluster->availability_trace, patterns);
 294         XBT_DEBUG("\tavailability_file=\"%s\"", avail_file);
 295         if (avail_file && avail_file[0])
 296           host.speed_trace = tmgr_trace_new_from_file(avail_file);
 297         xbt_free(avail_file);
 298       } else {
 299         XBT_DEBUG("\tavailability_file=\"\"");
 300       }
 301
 302       if (cluster->state_trace && strcmp(cluster->state_trace, "")) {
 303         char *avail_file = xbt_str_varsubst(cluster->state_trace, patterns);
 304         XBT_DEBUG("\tstate_file=\"%s\"", avail_file);
 305         if (avail_file && avail_file[0])
 306           host.state_trace = tmgr_trace_new_from_file(avail_file);
 307         xbt_free(avail_file);
 308       } else {
 309         XBT_DEBUG("\tstate_file=\"\"");
 310       }
 311
 312       host.speed_per_pstate = xbt_dynar_new(sizeof(double), NULL);
 313       xbt_dynar_push(host.speed_per_pstate,&cluster->speed);
 314       host.pstate = 0;
 315
 316       //host.power_peak = cluster->power;
 317       host.core_amount = cluster->core_amount;
 318       host.coord = "";
 319       sg_platf_new_host(&host);
 320       xbt_dynar_free(&host.speed_per_pstate);
 321       XBT_DEBUG("</host>");
 322
 323       XBT_DEBUG("<link\tid=\"%s\"\tbw=\"%f\"\tlat=\"%f\"/>", link_id,
 324                 cluster->bw, cluster->lat);
 325
 326
 327       s_surf_parsing_link_up_down_t info_lim, info_loop;
 328       // All links are saved in a matrix;
 329       // every row describes a single node; every node
 330       // may have multiple links.
 331       // the first column may store a link from x to x if p_has_loopback is set
 332       // the second column may store a limiter link if p_has_limiter is set
 333       // other columns are to store one or more link for the node
 334
 335       //add a loopback link
 336       if(cluster->loopback_bw!=0 || cluster->loopback_lat!=0){
 337         char *tmp_link = bprintf("%s_loopback", link_id);
 338         XBT_DEBUG("<loopback\tid=\"%s\"\tbw=\"%f\"/>", tmp_link,
 339                 cluster->limiter_link);
 340
 341
 342         memset(&link, 0, sizeof(link));
 343         link.id        = tmp_link;
 344         link.bandwidth = cluster->loopback_bw;
 345         link.latency   = cluster->loopback_lat;
 346         link.policy    = SURF_LINK_FATPIPE;
 347         sg_platf_new_link(&link);
 348         info_loop.link_up   = Link::byName(tmp_link);
 349         info_loop.link_down = info_loop.link_up;
 350         free(tmp_link);
 351         xbt_dynar_set(current_routing->upDownLinks, rankId*(static_cast<AsCluster*>(current_routing))->nb_links_per_node_, &info_loop);
 352       }
 353
 354       //add a limiter link (shared link to account for maximal bandwidth of the node)
 355       if(cluster->limiter_link!=0){
 356         char *tmp_link = bprintf("%s_limiter", link_id);
 357         XBT_DEBUG("<limiter\tid=\"%s\"\tbw=\"%f\"/>", tmp_link,
 358                 cluster->limiter_link);
 359
 360
 361         memset(&link, 0, sizeof(link));
 362         link.id = tmp_link;
 363         link.bandwidth = cluster->limiter_link;
 364         link.latency = 0;
 365         link.policy = SURF_LINK_SHARED;
 366         sg_platf_new_link(&link);
 367         info_lim.link_up = Link::byName(tmp_link);
 368         info_lim.link_down = info_lim.link_up;
 369         free(tmp_link);
 370         auto as_cluster = static_cast<AsCluster*>(current_routing);
 371         xbt_dynar_set(current_routing->upDownLinks, rankId*(as_cluster)->nb_links_per_node_ + as_cluster->has_loopback_ , &info_lim);
 372
 373       }
 374
 375
 376       //call the cluster function that adds the others links
 377       if (cluster->topology == SURF_CLUSTER_FAT_TREE) {
 378         ((AsClusterFatTree*) current_routing)->addProcessingNode(i);
 379       }
 380       else {
 381       static_cast<AsCluster*>(current_routing)->create_links_for_node(cluster, i, rankId, rankId*
 382           static_cast<AsCluster*>(current_routing)->nb_links_per_node_
 383           + static_cast<AsCluster*>(current_routing)->has_loopback_
 384           + static_cast<AsCluster*>(current_routing)->has_limiter_ );
 385       }
 386       xbt_free(link_id);
 387       xbt_free(host_id);
 388       rankId++;
 389     }
 390
 391     xbt_dynar_free(&radical_ends);
 392   }
 393   xbt_dynar_free(&radical_elements);
 394
 395   // For fat trees, the links must be created once all nodes have been added
 396   if(cluster->topology == SURF_CLUSTER_FAT_TREE) {
 397     static_cast<simgrid::surf::AsClusterFatTree*>(current_routing)->create_links();
 398   }
 399   // Add a router. It is magically used thanks to the way in which surf_routing_cluster is written,
 400   // and it's very useful to connect clusters together
 401   XBT_DEBUG(" ");
 402   XBT_DEBUG("<router id=\"%s\"/>", cluster->router_id);
 403   char *newid = NULL;
 404   s_sg_platf_router_cbarg_t router = SG_PLATF_ROUTER_INITIALIZER;
 405   memset(&router, 0, sizeof(router));
 406   router.id = cluster->router_id;
 407   router.coord = "";
 408   if (!router.id || !strcmp(router.id, ""))
 409     router.id = newid =
 410         bprintf("%s%s_router%s", cluster->prefix, cluster->id,
 411                 cluster->suffix);
 412   sg_platf_new_router(&router);
 413   ((AsCluster*)current_routing)->router_ = (simgrid::surf::NetCard*) xbt_lib_get_or_null(as_router_lib, router.id, ROUTING_ASR_LEVEL);
 414   free(newid);
 415
 416   //Make the backbone
 417   if ((cluster->bb_bw != 0) || (cluster->bb_lat != 0)) {
 418     char *link_backbone = bprintf("%s_backbone", cluster->id);
 419     XBT_DEBUG("<link\tid=\"%s\" bw=\"%f\" lat=\"%f\"/>", link_backbone,
 420               cluster->bb_bw, cluster->bb_lat);
 421
 422     memset(&link, 0, sizeof(link));
 423     link.id        = link_backbone;
 424     link.bandwidth = cluster->bb_bw;
 425     link.latency   = cluster->bb_lat;
 426     link.policy    = cluster->bb_sharing_policy;
 427
 428     sg_platf_new_link(&link);
 429
 430     routing_cluster_add_backbone(Link::byName(link_backbone));
 431
 432     free(link_backbone);
 433   }
 434
 435   XBT_DEBUG("</AS>");
 436   sg_platf_new_AS_end();
 437   XBT_DEBUG(" ");
 438   xbt_dict_free(&patterns); // no op if it were never set
 439
 440   simgrid::surf::on_cluster(cluster);
 441 }
 442 void routing_cluster_add_backbone(simgrid::surf::Link* bb) {
 443   simgrid::surf::AsCluster *cluster = dynamic_cast<simgrid::surf::AsCluster*>(current_routing);
 444
 445   xbt_assert(cluster, "Only hosts from Cluster can get a backbone.");
 446   xbt_assert(nullptr == cluster->backbone_, "Cluster %s already has a backbone link!", cluster->name());
 447
 448   cluster->backbone_ = bb;
 449   XBT_DEBUG("Add a backbone to AS '%s'", current_routing->name());
 450 }
 451
 452 void sg_platf_new_cabinet(sg_platf_cabinet_cbarg_t cabinet)
 453 {
 454   int start, end, i;
 455   char *groups , *host_id , *link_id = NULL;
 456   unsigned int iter;
 457   xbt_dynar_t radical_elements;
 458   xbt_dynar_t radical_ends;
 459
 460   //Make all hosts
 461   radical_elements = xbt_str_split(cabinet->radical, ",");
 462   xbt_dynar_foreach(radical_elements, iter, groups) {
 463
 464     radical_ends = xbt_str_split(groups, "-");
 465     start = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 0, char *));
 466
 467     switch (xbt_dynar_length(radical_ends)) {
 468     case 1:
 469       end = start;
 470       break;
 471     case 2:
 472       end = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 1, char *));
 473       break;
 474     default:
 475       surf_parse_error("Malformed radical");
 476       break;
 477     }
 478     s_sg_platf_host_cbarg_t host = SG_PLATF_HOST_INITIALIZER;
 479     memset(&host, 0, sizeof(host));
 480     host.pstate        = 0;
 481     host.core_amount   = 1;
 482
 483     s_sg_platf_link_cbarg_t link = SG_PLATF_LINK_INITIALIZER;
 484     memset(&link, 0, sizeof(link));
 485     link.policy    = SURF_LINK_FULLDUPLEX;
 486     link.latency   = cabinet->lat;
 487     link.bandwidth = cabinet->bw;
 488
 489     s_sg_platf_host_link_cbarg_t host_link = SG_PLATF_HOST_LINK_INITIALIZER;
 490     memset(&host_link, 0, sizeof(host_link));
 491
 492     for (i = start; i <= end; i++) {
 493       host_id                      = bprintf("%s%d%s",cabinet->prefix,i,cabinet->suffix);
 494       link_id                      = bprintf("link_%s%d%s",cabinet->prefix,i,cabinet->suffix);
 495       host.id                      = host_id;
 496       link.id                      = link_id;
 497       host.speed_per_pstate = xbt_dynar_new(sizeof(double), NULL);
 498       xbt_dynar_push(host.speed_per_pstate,&cabinet->speed);
 499       sg_platf_new_host(&host);
 500       xbt_dynar_free(&host.speed_per_pstate);
 501       sg_platf_new_link(&link);
 502
 503       char* link_up       = bprintf("%s_UP",link_id);
 504       char* link_down     = bprintf("%s_DOWN",link_id);
 505       host_link.id        = host_id;
 506       host_link.link_up   = link_up;
 507       host_link.link_down = link_down;
 508       sg_platf_new_hostlink(&host_link);
 509
 510       free(host_id);
 511       free(link_id);
 512       free(link_up);
 513       free(link_down);
 514     }
 515
 516     xbt_dynar_free(&radical_ends);
 517   }
 518   xbt_dynar_free(&radical_elements);
 519 }
 520
 521 void sg_platf_new_storage(sg_platf_storage_cbarg_t storage)
 522 {
 523   xbt_assert(!xbt_lib_get_or_null(storage_lib, storage->id,ROUTING_STORAGE_LEVEL),
 524                "Refusing to add a second storage named \"%s\"", storage->id);
 525
 526   void* stype = xbt_lib_get_or_null(storage_type_lib, storage->type_id,ROUTING_STORAGE_TYPE_LEVEL);
 527   xbt_assert(stype,"No storage type '%s'", storage->type_id);
 528
 529   XBT_DEBUG("ROUTING Create a storage name '%s' with type_id '%s' and content '%s'",
 530       storage->id,
 531       storage->type_id,
 532       storage->content);
 533
 534   xbt_lib_set(storage_lib, storage->id, ROUTING_STORAGE_LEVEL, (void *) xbt_strdup(storage->type_id));
 535
 536   // if storage content is not specified use the content of storage_type if any
 537   if(!strcmp(storage->content,"") && strcmp(((storage_type_t) stype)->content,"")){
 538     storage->content = ((storage_type_t) stype)->content;
 539     storage->content_type = ((storage_type_t) stype)->content_type;
 540     XBT_DEBUG("For disk '%s' content is empty, inherit the content (of type %s) from storage type '%s' ",
 541         storage->id,((storage_type_t) stype)->content_type,
 542         ((storage_type_t) stype)->type_id);
 543   }
 544
 545   XBT_DEBUG("SURF storage create resource\n\t\tid '%s'\n\t\ttype '%s' "
 546       "\n\t\tmodel '%s' \n\t\tcontent '%s'\n\t\tcontent_type '%s' "
 547       "\n\t\tproperties '%p''\n",
 548       storage->id,
 549       ((storage_type_t) stype)->model,
 550       ((storage_type_t) stype)->type_id,
 551       storage->content,
 552       storage->content_type,
 553     storage->properties);
 554
 555   surf_storage_model->createStorage(storage->id,
 556                                      ((storage_type_t) stype)->type_id,
 557                                      storage->content,
 558                                      storage->content_type,
 559                    storage->properties,
 560                                      storage->attach);
 561 }
 562 void sg_platf_new_storage_type(sg_platf_storage_type_cbarg_t storage_type){
 563
 564   xbt_assert(!xbt_lib_get_or_null(storage_type_lib, storage_type->id,ROUTING_STORAGE_TYPE_LEVEL),
 565                "Reading a storage type, processing unit \"%s\" already exists", storage_type->id);
 566
 567   storage_type_t stype = xbt_new0(s_storage_type_t, 1);
 568   stype->model = xbt_strdup(storage_type->model);
 569   stype->properties = storage_type->properties;
 570   stype->content = xbt_strdup(storage_type->content);
 571   stype->content_type = xbt_strdup(storage_type->content_type);
 572   stype->type_id = xbt_strdup(storage_type->id);
 573   stype->size = storage_type->size;
 574   stype->model_properties = storage_type->model_properties;
 575
 576   XBT_DEBUG("ROUTING Create a storage type id '%s' with model '%s', "
 577       "content '%s', and content_type '%s'",
 578       stype->type_id,
 579       stype->model,
 580       storage_type->content,
 581       storage_type->content_type);
 582
 583   xbt_lib_set(storage_type_lib,
 584       stype->type_id,
 585       ROUTING_STORAGE_TYPE_LEVEL,
 586       (void *) stype);
 587 }
 588 void sg_platf_new_mstorage(sg_platf_mstorage_cbarg_t mstorage)
 589 {
 590   THROW_UNIMPLEMENTED;
 591 }
 592
 593 static void mount_free(void *p)
 594 {
 595   mount_t mnt = (mount_t) p;
 596   xbt_free(mnt->name);
 597 }
 598
 599 void sg_platf_new_mount(sg_platf_mount_cbarg_t mount){
 600   // Verification of an existing storage
 601   xbt_assert(xbt_lib_get_or_null(storage_lib, mount->storageId, ROUTING_STORAGE_LEVEL),
 602       "Cannot mount non-existent disk \"%s\"", mount->storageId);
 603
 604   XBT_DEBUG("ROUTING Mount '%s' on '%s'",mount->storageId, mount->name);
 605
 606   s_mount_t mnt;
 607   mnt.storage = surf_storage_resource_priv(surf_storage_resource_by_name(mount->storageId));
 608   mnt.name = xbt_strdup(mount->name);
 609
 610   if(!mount_list){
 611     XBT_DEBUG("Create a Mount list for %s",A_surfxml_host_id);
 612     mount_list = xbt_dynar_new(sizeof(s_mount_t), mount_free);
 613   }
 614   xbt_dynar_push(mount_list, &mnt);
 615 }
 616
 617 void sg_platf_new_route(sg_platf_route_cbarg_t route)
 618 {
 619   routing_get_current()->addRoute(route);
 620 }
 621
 622 void sg_platf_new_bypassRoute(sg_platf_route_cbarg_t bypassRoute)
 623 {
 624   routing_get_current()->addBypassRoute(bypassRoute);
 625 }
 626
 627 void sg_platf_new_process(sg_platf_process_cbarg_t process)
 628 {
 629   xbt_assert(simix_global,"Cannot create process without SIMIX.");
 630
 631   sg_host_t host = sg_host_by_name(process->host);
 632   if (!host) {
 633     // The requested host does not exist. Do a nice message to the user
 634     char *tmp = bprintf("Cannot create process '%s': host '%s' does not exist\nExisting hosts: '",process->function, process->host);
 635     xbt_strbuff_t msg = xbt_strbuff_new_from(tmp);
 636     free(tmp);
 637     xbt_dynar_t all_hosts = xbt_dynar_sort_strings(sg_hosts_as_dynar());
 638     simgrid::s4u::Host* host;
 639     unsigned int cursor;
 640     xbt_dynar_foreach(all_hosts,cursor, host) {
 641       xbt_strbuff_append(msg,host->name().c_str());
 642       xbt_strbuff_append(msg,"', '");
 643       if (msg->used > 1024) {
 644         msg->data[msg->used-3]='\0';
 645         msg->used -= 3;
 646
 647         xbt_strbuff_append(msg," ...(list truncated)......");// That will be shortened by 3 chars when existing the loop
 648       }
 649     }
 650     msg->data[msg->used-3]='\0';
 651     xbt_die("%s", msg->data);
 652   }
 653   xbt_main_func_t parse_code = SIMIX_get_registered_function(process->function);
 654   xbt_assert(parse_code, "Function '%s' unknown", process->function);
 655
 656   double start_time = process->start_time;
 657   double kill_time  = process->kill_time;
 658   int auto_restart = process->on_failure == SURF_PROCESS_ON_FAILURE_DIE ? 0 : 1;
 659
 660   smx_process_arg_t arg = NULL;
 661   smx_process_t process_created = NULL;
 662
 663   arg = xbt_new0(s_smx_process_arg_t, 1);
 664   arg->code = parse_code;
 665   arg->data = NULL;
 666   arg->hostname = sg_host_get_name(host);
 667   arg->argc = process->argc;
 668   arg->argv = xbt_new(char *,process->argc);
 669   int i;
 670   for (i=0; i<process->argc; i++)
 671     arg->argv[i] = xbt_strdup(process->argv[i]);
 672   arg->name = xbt_strdup(arg->argv[0]);
 673   arg->kill_time = kill_time;
 674   arg->properties = current_property_set;
 675   if (!sg_host_simix(host)->boot_processes) {
 676     sg_host_simix(host)->boot_processes = xbt_dynar_new(sizeof(smx_process_arg_t), _SIMIX_host_free_process_arg);
 677   }
 678   xbt_dynar_push_as(sg_host_simix(host)->boot_processes,smx_process_arg_t,arg);
 679
 680   if (start_time > SIMIX_get_clock()) {
 681     arg = xbt_new0(s_smx_process_arg_t, 1);
 682     arg->name = (char*)(process->argv)[0];
 683     arg->code = parse_code;
 684     arg->data = NULL;
 685     arg->hostname = sg_host_get_name(host);
 686     arg->argc = process->argc;
 687     arg->argv = (char**)(process->argv);
 688     arg->kill_time = kill_time;
 689     arg->properties = current_property_set;
 690
 691     XBT_DEBUG("Process %s(%s) will be started at time %f", arg->name,
 692            arg->hostname, start_time);
 693     SIMIX_timer_set(start_time, [](void* arg) {
 694       SIMIX_process_create_from_wrapper((smx_process_arg_t) arg);
 695     }, arg);
 696   } else {                      // start_time <= SIMIX_get_clock()
 697     XBT_DEBUG("Starting Process %s(%s) right now", arg->name, sg_host_get_name(host));
 698
 699     if (simix_global->create_process_function)
 700       process_created = simix_global->create_process_function(
 701           arg->name,
 702                                             parse_code,
 703                                             NULL,
 704                                             sg_host_get_name(host),
 705                                             kill_time,
 706                                             process->argc,
 707                                             (char**)(process->argv),
 708                                             current_property_set,
 709                                             auto_restart, NULL);
 710     else
 711       process_created = simcall_process_create(arg->name, parse_code, NULL, sg_host_get_name(host), kill_time, process->argc,
 712           (char**)process->argv, current_property_set,auto_restart);
 713
 714     /* verify if process has been created (won't be the case if the host is currently dead, but that's fine) */
 715     if (!process_created) {
 716       return;
 717     }
 718   }
 719   current_property_set = NULL;
 720 }
 721
 722 void sg_platf_new_peer(sg_platf_peer_cbarg_t peer)
 723 {
 724   using simgrid::surf::NetCard;
 725   using simgrid::surf::AsCluster;
 726
 727   char *host_id = NULL;
 728   char *link_id = NULL;
 729   char *router_id = NULL;
 730
 731   XBT_DEBUG(" ");
 732   host_id = bprintf("peer_%s", peer->id);
 733   link_id = bprintf("link_%s", peer->id);
 734   router_id = bprintf("router_%s", peer->id);
 735
 736   XBT_DEBUG("<AS id=\"%s\"\trouting=\"Cluster\">", peer->id);
 737   s_sg_platf_AS_cbarg_t AS = SG_PLATF_AS_INITIALIZER;
 738   AS.id                    = peer->id;
 739   AS.routing               = A_surfxml_AS_routing_Cluster;
 740   sg_platf_new_AS_begin(&AS);
 741
 742   XBT_DEBUG("<host\tid=\"%s\"\tpower=\"%f\"/>", host_id, peer->speed);
 743   s_sg_platf_host_cbarg_t host = SG_PLATF_HOST_INITIALIZER;
 744   memset(&host, 0, sizeof(host));
 745   host.id = host_id;
 746
 747   host.speed_per_pstate = xbt_dynar_new(sizeof(double), NULL);
 748   xbt_dynar_push(host.speed_per_pstate,&peer->speed);
 749   host.pstate = 0;
 750   //host.power_peak = peer->power;
 751   host.speed_trace = peer->availability_trace;
 752   host.state_trace = peer->state_trace;
 753   host.core_amount = 1;
 754   sg_platf_new_host(&host);
 755   xbt_dynar_free(&host.speed_per_pstate);
 756
 757   s_sg_platf_link_cbarg_t link = SG_PLATF_LINK_INITIALIZER;
 758   memset(&link, 0, sizeof(link));
 759   link.policy  = SURF_LINK_SHARED;
 760   link.latency = peer->lat;
 761
 762   char* link_up = bprintf("%s_UP",link_id);
 763   XBT_DEBUG("<link\tid=\"%s\"\tbw=\"%f\"\tlat=\"%f\"/>", link_up, peer->bw_out, peer->lat);
 764   link.id = link_up;
 765   link.bandwidth = peer->bw_out;
 766   sg_platf_new_link(&link);
 767
 768   char* link_down = bprintf("%s_DOWN",link_id);
 769   XBT_DEBUG("<link\tid=\"%s\"\tbw=\"%f\"\tlat=\"%f\"/>", link_down, peer->bw_in, peer->lat);
 770   link.id = link_down;
 771   link.bandwidth = peer->bw_in;
 772   sg_platf_new_link(&link);
 773
 774   XBT_DEBUG("<host_link\tid=\"%s\"\tup=\"%s\"\tdown=\"%s\" />", host_id,link_up,link_down);
 775   s_sg_platf_host_link_cbarg_t host_link = SG_PLATF_HOST_LINK_INITIALIZER;
 776   memset(&host_link, 0, sizeof(host_link));
 777   host_link.id        = host_id;
 778   host_link.link_up   = link_up;
 779   host_link.link_down = link_down;
 780   sg_platf_new_hostlink(&host_link);
 781
 782   XBT_DEBUG("<router id=\"%s\"/>", router_id);
 783   s_sg_platf_router_cbarg_t router = SG_PLATF_ROUTER_INITIALIZER;
 784   memset(&router, 0, sizeof(router));
 785   router.id = router_id;
 786   router.coord = peer->coord;
 787   sg_platf_new_router(&router);
 788   static_cast<AsCluster*>(current_routing)->router_ = static_cast<NetCard*>(xbt_lib_get_or_null(as_router_lib, router.id, ROUTING_ASR_LEVEL));
 789
 790   XBT_DEBUG("</AS>");
 791   sg_platf_new_AS_end();
 792   XBT_DEBUG(" ");
 793
 794   //xbt_dynar_free(&tab_elements_num);
 795   free(router_id);
 796   free(host_id);
 797   free(link_id);
 798   free(link_up);
 799   free(link_down);
 800 }
 801
 802 void sg_platf_begin() { /* Do nothing: just for symmetry of user code */ }
 803
 804 void sg_platf_end() {
 805   simgrid::surf::on_postparse();
 806 }
 807
 808 /* Pick the right models for CPU, net and host, and call their model_init_preparse */
 809 static void surf_config_models_setup()
 810 {
 811   const char *host_model_name;
 812   const char *vm_model_name;
 813   int host_id = -1;
 814   int vm_id = -1;
 815   char *network_model_name = NULL;
 816   char *cpu_model_name = NULL;
 817   int storage_id = -1;
 818   char *storage_model_name = NULL;
 819
 820   host_model_name = xbt_cfg_get_string(_sg_cfg_set, "host/model");
 821   vm_model_name = xbt_cfg_get_string(_sg_cfg_set, "vm/model");
 822   network_model_name = xbt_cfg_get_string(_sg_cfg_set, "network/model");
 823   cpu_model_name = xbt_cfg_get_string(_sg_cfg_set, "cpu/model");
 824   storage_model_name = xbt_cfg_get_string(_sg_cfg_set, "storage/model");
 825
 826   /* Check whether we use a net/cpu model differing from the default ones, in which case
 827    * we should switch to the "compound" host model to correctly dispatch stuff to
 828    * the right net/cpu models.
 829    */
 830
 831   if ((!xbt_cfg_is_default_value(_sg_cfg_set, "network/model") ||
 832        !xbt_cfg_is_default_value(_sg_cfg_set, "cpu/model")) &&
 833       xbt_cfg_is_default_value(_sg_cfg_set, "host/model")) {
 834     host_model_name = "compound";
 835     xbt_cfg_set_string(_sg_cfg_set, "host/model", host_model_name);
 836   }
 837
 838   XBT_DEBUG("host model: %s", host_model_name);
 839   host_id = find_model_description(surf_host_model_description, host_model_name);
 840   if (!strcmp(host_model_name, "compound")) {
 841     int network_id = -1;
 842     int cpu_id = -1;
 843
 844     xbt_assert(cpu_model_name,
 845                 "Set a cpu model to use with the 'compound' host model");
 846
 847     xbt_assert(network_model_name,
 848                 "Set a network model to use with the 'compound' host model");
 849
 850     if(surf_cpu_model_init_preparse){
 851       surf_cpu_model_init_preparse();
 852     } else {
 853       cpu_id =
 854           find_model_description(surf_cpu_model_description, cpu_model_name);
 855       surf_cpu_model_description[cpu_id].model_init_preparse();
 856     }
 857
 858     network_id =
 859         find_model_description(surf_network_model_description,
 860                                network_model_name);
 861     surf_network_model_description[network_id].model_init_preparse();
 862   }
 863
 864   XBT_DEBUG("Call host_model_init");
 865   surf_host_model_description[host_id].model_init_preparse();
 866
 867   XBT_DEBUG("Call vm_model_init");
 868   vm_id = find_model_description(surf_vm_model_description, vm_model_name);
 869   surf_vm_model_description[vm_id].model_init_preparse();
 870
 871   XBT_DEBUG("Call storage_model_init");
 872   storage_id = find_model_description(surf_storage_model_description, storage_model_name);
 873   surf_storage_model_description[storage_id].model_init_preparse();
 874
 875 }
 876
 877 /**
 878  * \brief Make a new routing component to the platform
 879  *
 880  * Add a new autonomous system to the platform. Any elements (such as host,
 881  * router or sub-AS) added after this call and before the corresponding call
 882  * to sg_platf_new_AS_close() will be added to this AS.
 883  *
 884  * Once this function was called, the configuration concerning the used
 885  * models cannot be changed anymore.
 886  *
 887  * @param AS_id name of this autonomous system. Must be unique in the platform
 888  * @param wanted_routing_type one of Full, Floyd, Dijkstra or similar. Full list in the variable routing_models, in src/surf/surf_routing.c
 889  */
 890 void sg_platf_new_AS_begin(sg_platf_AS_cbarg_t AS)
 891 {
 892   if (!surf_parse_models_setup_already_called) {
 893     /* Initialize the surf models. That must be done after we got all config, and before we need the models.
 894      * That is, after the last <config> tag, if any, and before the first of cluster|peer|AS|trace|trace_connect
 895      *
 896      * I'm not sure for <trace> and <trace_connect>, there may be a bug here
 897      * (FIXME: check it out by creating a file beginning with one of these tags)
 898      * but cluster and peer create ASes internally, so putting the code in there is ok.
 899      */
 900     surf_parse_models_setup_already_called = 1;
 901     surf_config_models_setup();
 902   }
 903
 904   xbt_assert(nullptr == xbt_lib_get_or_null(as_router_lib, AS->id, ROUTING_ASR_LEVEL),
 905       "Refusing to create a second AS called \"%s\".", AS->id);
 906
 907   _sg_cfg_init_status = 2; /* HACK: direct access to the global controlling the level of configuration to prevent
 908                             * any further config now that we created some real content */
 909
 910
 911   /* search the routing model */
 912   simgrid::surf::AsImpl *new_as = NULL;
 913   switch(AS->routing){
 914     case A_surfxml_AS_routing_Cluster:        new_as = new simgrid::surf::AsCluster(AS->id);        break;
 915     case A_surfxml_AS_routing_ClusterTorus:   new_as = new simgrid::surf::AsClusterTorus(AS->id);   break;
 916     case A_surfxml_AS_routing_ClusterFatTree: new_as = new simgrid::surf::AsClusterFatTree(AS->id); break;
 917     case A_surfxml_AS_routing_Dijkstra:       new_as = new simgrid::surf::AsDijkstra(AS->id, 0);    break;
 918     case A_surfxml_AS_routing_DijkstraCache:  new_as = new simgrid::surf::AsDijkstra(AS->id, 1);    break;
 919     case A_surfxml_AS_routing_Floyd:          new_as = new simgrid::surf::AsFloyd(AS->id);          break;
 920     case A_surfxml_AS_routing_Full:           new_as = new simgrid::surf::AsFull(AS->id);           break;
 921     case A_surfxml_AS_routing_None:           new_as = new simgrid::surf::AsNone(AS->id);           break;
 922     case A_surfxml_AS_routing_Vivaldi:        new_as = new simgrid::surf::AsVivaldi(AS->id);        break;
 923     default:                                  xbt_die("Not a valid model!");                        break;
 924   }
 925
 926   /* make a new routing component */
 927   simgrid::surf::NetCard *netcard = new simgrid::surf::NetCardImpl(new_as->name(), SURF_NETWORK_ELEMENT_AS, current_routing);
 928
 929   if (current_routing == NULL && routing_platf->root_ == NULL) {
 930     /* it is the first one */
 931     routing_platf->root_ = new_as;
 932     netcard->setId(-1);
 933   } else if (current_routing != NULL && routing_platf->root_ != NULL) {
 934
 935     xbt_assert(!xbt_dict_get_or_null(current_routing->children(), AS->id),
 936                "The AS \"%s\" already exists", AS->id);
 937     /* it is a part of the tree */
 938     new_as->father_ = current_routing;
 939     /* set the father behavior */
 940     if (current_routing->hierarchy_ == simgrid::surf::AsImpl::RoutingMode::unset)
 941       current_routing->hierarchy_ = simgrid::surf::AsImpl::RoutingMode::recursive;
 942     /* add to the sons dictionary */
 943     xbt_dict_set(current_routing->children(), AS->id, (void *) new_as, NULL);
 944     /* add to the father element list */
 945     netcard->setId(current_routing->addComponent(netcard));
 946   } else {
 947     THROWF(arg_error, 0, "All defined components must belong to a AS");
 948   }
 949
 950   xbt_lib_set(as_router_lib, netcard->name(), ROUTING_ASR_LEVEL, (void *) netcard);
 951   XBT_DEBUG("Having set name '%s' id '%d'", new_as->name(), netcard->id());
 952
 953   /* set the new current component of the tree */
 954   current_routing = new_as;
 955   current_routing->netcard_ = netcard;
 956
 957   simgrid::surf::netcardCreatedCallbacks(netcard);
 958   simgrid::surf::asCreatedCallbacks(new_as);
 959   if (TRACE_is_enabled())
 960     sg_instr_AS_begin(AS);
 961 }
 962
 963 /**
 964  * \brief Specify that the current description of AS is finished
 965  *
 966  * Once you've declared all the content of your AS, you have to close
 967  * it with this call. Your AS is not usable until you call this function.
 968  */
 969 void sg_platf_new_AS_end()
 970 {
 971   xbt_assert(current_routing, "Cannot seal the current AS: none under construction");
 972   current_routing->seal();
 973   current_routing = static_cast<simgrid::surf::AsImpl*>(current_routing->father());
 974
 975   if (TRACE_is_enabled())
 976     sg_instr_AS_end();
 977 }
 978
 979 /** @brief Add a link connecting an host to the rest of its AS (which must be cluster or vivaldi) */
 980 void sg_platf_new_hostlink(sg_platf_host_link_cbarg_t netcard_arg)
 981 {
 982   simgrid::surf::NetCard *netcard = sg_host_by_name(netcard_arg->id)->pimpl_netcard;
 983   xbt_assert(netcard, "Host '%s' not found!", netcard_arg->id);
 984   xbt_assert(dynamic_cast<simgrid::surf::AsCluster*>(current_routing) ||
 985              dynamic_cast<simgrid::surf::AsVivaldi*>(current_routing),
 986       "Only hosts from Cluster and Vivaldi ASes can get a host_link.");
 987
 988   s_surf_parsing_link_up_down_t link_up_down;
 989   link_up_down.link_up = Link::byName(netcard_arg->link_up);
 990   link_up_down.link_down = Link::byName(netcard_arg->link_down);
 991
 992   xbt_assert(link_up_down.link_up, "Link '%s' not found!",netcard_arg->link_up);
 993   xbt_assert(link_up_down.link_down, "Link '%s' not found!",netcard_arg->link_down);
 994
 995   // If dynar is is greater than netcard id and if the host_link is already defined
 996   if((int)xbt_dynar_length(current_routing->upDownLinks) > netcard->id() &&
 997       xbt_dynar_get_as(current_routing->upDownLinks, netcard->id(), void*))
 998   surf_parse_error("Host_link for '%s' is already defined!",netcard_arg->id);
 999
1000   XBT_DEBUG("Push Host_link for host '%s' to position %d", netcard->name(), netcard->id());
1001   xbt_dynar_set_as(current_routing->upDownLinks, netcard->id(), s_surf_parsing_link_up_down_t, link_up_down);
1002 }