src/surf/sg_platf.cpp

   1 /* Copyright (c) 2006-2014. The SimGrid Team.
   2  * All rights reserved.                                                     */
   3
   4 /* This program is free software; you can redistribute it and/or modify it
   5  * under the terms of the license (GNU LGPL) which comes with this package. */
   6
   7 #include "xbt/misc.h"
   8 #include "xbt/log.h"
   9 #include "xbt/str.h"
  10 #include "xbt/dict.h"
  11 #include "xbt/RngStream.h"
  12 #include <xbt/signal.hpp>
  13 #include "src/surf/HostImpl.hpp"
  14 #include "surf/surf.h"
  15
  16 #include "src/simix/smx_private.h"
  17
  18 #include "src/include/simgrid/sg_config.h"
  19 #include "src/surf/xml/platf_private.hpp"
  20
  21 #include "src/surf/cpu_interface.hpp"
  22 #include "src/surf/network_interface.hpp"
  23 #include "surf/surf_routing.h" // FIXME: brain dead public header
  24
  25 #include "src/surf/AsImpl.hpp"
  26 #include "src/surf/AsCluster.hpp"
  27 #include "src/surf/AsClusterTorus.hpp"
  28 #include "src/surf/AsClusterFatTree.hpp"
  29 #include "src/surf/AsDijkstra.hpp"
  30 #include "src/surf/AsFloyd.hpp"
  31 #include "src/surf/AsFull.hpp"
  32 #include "src/surf/AsNone.hpp"
  33 #include "src/surf/AsVivaldi.hpp"
  34
  35 XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(surf_parse);
  36
  37 XBT_PRIVATE xbt_dynar_t mount_list = NULL;
  38
  39 namespace simgrid {
  40 namespace surf {
  41
  42 simgrid::xbt::signal<void(sg_platf_link_cbarg_t)> on_link;
  43 simgrid::xbt::signal<void(sg_platf_cluster_cbarg_t)> on_cluster;
  44 simgrid::xbt::signal<void(void)> on_postparse;
  45
  46 }
  47 }
  48
  49 static int surf_parse_models_setup_already_called = 0;
  50
  51 /** The current AS in the parsing */
  52 static simgrid::surf::AsImpl *current_routing = NULL;
  53 static simgrid::surf::AsImpl* routing_get_current()
  54 {
  55   return current_routing;
  56 }
  57
  58 /** Module management function: creates all internal data structures */
  59 void sg_platf_init(void) {
  60 }
  61
  62 /** Module management function: frees all internal data structures */
  63 void sg_platf_exit(void) {
  64   simgrid::surf::on_link.disconnect_all_slots();
  65   simgrid::surf::on_cluster.disconnect_all_slots();
  66   simgrid::surf::on_postparse.disconnect_all_slots();
  67
  68   /* make sure that we will reinit the models while loading the platf once reinited */
  69   surf_parse_models_setup_already_called = 0;
  70   surf_parse_lex_destroy();
  71 }
  72
  73 /** @brief Add an "host" to the current AS */
  74 void sg_platf_new_host(sg_platf_host_cbarg_t host)
  75 {
  76   xbt_assert(! sg_host_by_name(host->id),
  77       "Refusing to create a second host named '%s'.", host->id);
  78
  79   simgrid::surf::AsImpl* current_routing = routing_get_current();
  80   if (current_routing->hierarchy_ == simgrid::surf::AsImpl::RoutingMode::unset)
  81     current_routing->hierarchy_ = simgrid::surf::AsImpl::RoutingMode::base;
  82
  83   simgrid::surf::NetCard *netcard =
  84       new simgrid::surf::NetCardImpl(host->id, SURF_NETWORK_ELEMENT_HOST, current_routing);
  85
  86   netcard->setId(current_routing->addComponent(netcard));
  87   sg_host_t h = simgrid::s4u::Host::by_name_or_create(host->id);
  88   h->pimpl_netcard = netcard;
  89   simgrid::surf::netcardCreatedCallbacks(netcard);
  90
  91   if(mount_list){
  92     xbt_lib_set(storage_lib, host->id, ROUTING_STORAGE_HOST_LEVEL, (void *) mount_list);
  93     mount_list = NULL;
  94   }
  95
  96   if (host->coord && strcmp(host->coord, "")) {
  97     unsigned int cursor;
  98     char*str;
  99
 100     if (!COORD_HOST_LEVEL)
 101       xbt_die ("To use host coordinates, please add --cfg=network/coordinates:yes to your command line");
 102     /* Pre-parse the host coordinates -- FIXME factorize with routers by overloading the routing->parse_PU function*/
 103     xbt_dynar_t ctn_str = xbt_str_split_str(host->coord, " ");
 104     xbt_dynar_t ctn = xbt_dynar_new(sizeof(double),NULL);
 105     xbt_dynar_foreach(ctn_str,cursor, str) {
 106       double val = xbt_str_parse_double(str, "Invalid coordinate: %s");
 107       xbt_dynar_push(ctn,&val);
 108     }
 109     xbt_dynar_shrink(ctn, 0);
 110     xbt_dynar_free(&ctn_str);
 111     h->extension_set(COORD_HOST_LEVEL, (void *) ctn);
 112     XBT_DEBUG("Having set host coordinates for '%s'",host->id);
 113   }
 114
 115
 116   simgrid::surf::Cpu *cpu = surf_cpu_model_pm->createCpu( h,
 117       host->speed_peak,
 118       host->speed_trace,
 119       host->core_amount,
 120       host->state_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 = 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   simgrid::surf::on_link(link);
 175 }
 176
 177 void sg_platf_new_cluster(sg_platf_cluster_cbarg_t cluster)
 178 {
 179   using simgrid::surf::AsCluster;
 180   using simgrid::surf::AsClusterTorus;
 181   using simgrid::surf::AsClusterFatTree;
 182
 183   char *host_id, *groups, *link_id = NULL;
 184   xbt_dict_t patterns = NULL;
 185   int rankId=0;
 186
 187   s_sg_platf_host_cbarg_t host = SG_PLATF_HOST_INITIALIZER;
 188   s_sg_platf_link_cbarg_t link = SG_PLATF_LINK_INITIALIZER;
 189
 190   unsigned int iter;
 191
 192   if ((cluster->availability_trace && strcmp(cluster->availability_trace, ""))
 193       || (cluster->state_trace && strcmp(cluster->state_trace, ""))) {
 194     patterns = xbt_dict_new_homogeneous(xbt_free_f);
 195     xbt_dict_set(patterns, "id", xbt_strdup(cluster->id), NULL);
 196     xbt_dict_set(patterns, "prefix", xbt_strdup(cluster->prefix), NULL);
 197     xbt_dict_set(patterns, "suffix", xbt_strdup(cluster->suffix), NULL);
 198   }
 199
 200   /* Parse the topology attributes.
 201    * Nothing to do in a vanilla cluster, but that's another story for torus and flat_trees */
 202   s_sg_platf_AS_cbarg_t AS = SG_PLATF_AS_INITIALIZER;
 203   AS.id = cluster->id;
 204
 205   switch (cluster->topology) {
 206   case SURF_CLUSTER_TORUS:
 207     AS.routing = A_surfxml_AS_routing_ClusterTorus;
 208     break;
 209   case SURF_CLUSTER_FAT_TREE:
 210     AS.routing = A_surfxml_AS_routing_ClusterFatTree;
 211     break;
 212   default:
 213     AS.routing = A_surfxml_AS_routing_Cluster;
 214     break;
 215   }
 216
 217   // What an inventive way of initializing the AS that I have as ancestor :-(
 218   sg_platf_new_AS_begin(&AS);
 219   simgrid::surf::AsImpl *current_routing = routing_get_current();
 220   static_cast<AsCluster*>(current_routing)->parse_specific_arguments(cluster);
 221
 222   if(cluster->loopback_bw!=0 || cluster->loopback_lat!=0){
 223       ((AsCluster*)current_routing)->nb_links_per_node_++;
 224       ((AsCluster*)current_routing)->has_loopback_=1;
 225   }
 226
 227   if(cluster->limiter_link!=0){
 228       ((AsCluster*)current_routing)->nb_links_per_node_++;
 229       ((AsCluster*)current_routing)->has_limiter_=1;
 230   }
 231
 232
 233   //Make all hosts
 234   xbt_dynar_t radical_elements = xbt_str_split(cluster->radical, ",");
 235   xbt_dynar_foreach(radical_elements, iter, groups) {
 236
 237     xbt_dynar_t radical_ends = xbt_str_split(groups, "-");
 238     int start = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 0, char *));
 239     int end;
 240
 241     switch (xbt_dynar_length(radical_ends)) {
 242     case 1:
 243       end = start;
 244       break;
 245     case 2:
 246       end = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 1, char *));
 247       break;
 248     default:
 249       surf_parse_error("Malformed radical");
 250       break;
 251     }
 252     for (int i = start; i <= end; i++) {
 253       host_id = bprintf("%s%d%s", cluster->prefix, i, cluster->suffix);
 254       link_id = bprintf("%s_link_%d", cluster->id, i);
 255
 256       XBT_DEBUG("<host\tid=\"%s\"\tpower=\"%f\">", host_id, cluster->speed);
 257
 258       memset(&host, 0, sizeof(host));
 259       host.id = host_id;
 260       if ((cluster->properties != NULL) && (!xbt_dict_is_empty(cluster->properties))) {
 261         xbt_dict_cursor_t cursor=NULL;
 262         char *key,*data;
 263         host.properties = xbt_dict_new();
 264
 265         xbt_dict_foreach(cluster->properties,cursor,key,data) {
 266           xbt_dict_set(host.properties, key, xbt_strdup(data),free);
 267         }
 268       }
 269       if (cluster->availability_trace && strcmp(cluster->availability_trace, "")) {
 270         xbt_dict_set(patterns, "radical", bprintf("%d", i), NULL);
 271         char *avail_file = xbt_str_varsubst(cluster->availability_trace, patterns);
 272         XBT_DEBUG("\tavailability_file=\"%s\"", avail_file);
 273         host.speed_trace = tmgr_trace_new_from_file(avail_file);
 274         xbt_free(avail_file);
 275       } else {
 276         XBT_DEBUG("\tavailability_file=\"\"");
 277       }
 278
 279       if (cluster->state_trace && strcmp(cluster->state_trace, "")) {
 280         char *avail_file = xbt_str_varsubst(cluster->state_trace, patterns);
 281         XBT_DEBUG("\tstate_file=\"%s\"", avail_file);
 282         host.state_trace = tmgr_trace_new_from_file(avail_file);
 283         xbt_free(avail_file);
 284       } else {
 285         XBT_DEBUG("\tstate_file=\"\"");
 286       }
 287
 288       host.speed_peak = xbt_dynar_new(sizeof(double), NULL);
 289       xbt_dynar_push(host.speed_peak,&cluster->speed);
 290       host.pstate = 0;
 291
 292       //host.power_peak = cluster->power;
 293       host.core_amount = cluster->core_amount;
 294       host.coord = "";
 295       sg_platf_new_host(&host);
 296       xbt_dynar_free(&host.speed_peak);
 297       XBT_DEBUG("</host>");
 298
 299       XBT_DEBUG("<link\tid=\"%s\"\tbw=\"%f\"\tlat=\"%f\"/>", link_id,
 300                 cluster->bw, cluster->lat);
 301
 302
 303       s_surf_parsing_link_up_down_t info_lim, info_loop;
 304       // All links are saved in a matrix;
 305       // every row describes a single node; every node
 306       // may have multiple links.
 307       // the first column may store a link from x to x if p_has_loopback is set
 308       // the second column may store a limiter link if p_has_limiter is set
 309       // other columns are to store one or more link for the node
 310
 311       //add a loopback link
 312       if(cluster->loopback_bw!=0 || cluster->loopback_lat!=0){
 313         char *tmp_link = bprintf("%s_loopback", link_id);
 314         XBT_DEBUG("<loopback\tid=\"%s\"\tbw=\"%f\"/>", tmp_link,
 315                 cluster->limiter_link);
 316
 317
 318         memset(&link, 0, sizeof(link));
 319         link.id        = tmp_link;
 320         link.bandwidth = cluster->loopback_bw;
 321         link.latency   = cluster->loopback_lat;
 322         link.policy    = SURF_LINK_FATPIPE;
 323         sg_platf_new_link(&link);
 324         info_loop.link_up   = Link::byName(tmp_link);
 325         info_loop.link_down = info_loop.link_up;
 326         free(tmp_link);
 327         xbt_dynar_set(current_routing->upDownLinks, rankId*(static_cast<AsCluster*>(current_routing))->nb_links_per_node_, &info_loop);
 328       }
 329
 330       //add a limiter link (shared link to account for maximal bandwidth of the node)
 331       if(cluster->limiter_link!=0){
 332         char *tmp_link = bprintf("%s_limiter", link_id);
 333         XBT_DEBUG("<limiter\tid=\"%s\"\tbw=\"%f\"/>", tmp_link,
 334                 cluster->limiter_link);
 335
 336
 337         memset(&link, 0, sizeof(link));
 338         link.id = tmp_link;
 339         link.bandwidth = cluster->limiter_link;
 340         link.latency = 0;
 341         link.policy = SURF_LINK_SHARED;
 342         sg_platf_new_link(&link);
 343         info_lim.link_up = Link::byName(tmp_link);
 344         info_lim.link_down = info_lim.link_up;
 345         free(tmp_link);
 346         auto as_cluster = static_cast<AsCluster*>(current_routing);
 347         xbt_dynar_set(current_routing->upDownLinks, rankId*(as_cluster)->nb_links_per_node_ + as_cluster->has_loopback_ , &info_lim);
 348
 349       }
 350
 351
 352       //call the cluster function that adds the others links
 353       if (cluster->topology == SURF_CLUSTER_FAT_TREE) {
 354         ((AsClusterFatTree*) current_routing)->addProcessingNode(i);
 355       }
 356       else {
 357       static_cast<AsCluster*>(current_routing)->create_links_for_node(cluster, i, rankId, rankId*
 358           static_cast<AsCluster*>(current_routing)->nb_links_per_node_
 359           + static_cast<AsCluster*>(current_routing)->has_loopback_
 360           + static_cast<AsCluster*>(current_routing)->has_limiter_ );
 361       }
 362       xbt_free(link_id);
 363       xbt_free(host_id);
 364       rankId++;
 365     }
 366
 367     xbt_dynar_free(&radical_ends);
 368   }
 369   xbt_dynar_free(&radical_elements);
 370
 371   // For fat trees, the links must be created once all nodes have been added
 372   if(cluster->topology == SURF_CLUSTER_FAT_TREE) {
 373     static_cast<simgrid::surf::AsClusterFatTree*>(current_routing)->create_links();
 374   }
 375   // Add a router. It is magically used thanks to the way in which surf_routing_cluster is written,
 376   // and it's very useful to connect clusters together
 377   XBT_DEBUG(" ");
 378   XBT_DEBUG("<router id=\"%s\"/>", cluster->router_id);
 379   char *newid = NULL;
 380   s_sg_platf_router_cbarg_t router = SG_PLATF_ROUTER_INITIALIZER;
 381   memset(&router, 0, sizeof(router));
 382   router.id = cluster->router_id;
 383   router.coord = "";
 384   if (!router.id || !strcmp(router.id, ""))
 385     router.id = newid =
 386         bprintf("%s%s_router%s", cluster->prefix, cluster->id,
 387                 cluster->suffix);
 388   sg_platf_new_router(&router);
 389   ((AsCluster*)current_routing)->router_ = (simgrid::surf::NetCard*) xbt_lib_get_or_null(as_router_lib, router.id, ROUTING_ASR_LEVEL);
 390   free(newid);
 391
 392   //Make the backbone
 393   if ((cluster->bb_bw != 0) || (cluster->bb_lat != 0)) {
 394     char *link_backbone = bprintf("%s_backbone", cluster->id);
 395     XBT_DEBUG("<link\tid=\"%s\" bw=\"%f\" lat=\"%f\"/>", link_backbone,
 396               cluster->bb_bw, cluster->bb_lat);
 397
 398     memset(&link, 0, sizeof(link));
 399     link.id        = link_backbone;
 400     link.bandwidth = cluster->bb_bw;
 401     link.latency   = cluster->bb_lat;
 402     link.policy    = cluster->bb_sharing_policy;
 403
 404     sg_platf_new_link(&link);
 405
 406     routing_cluster_add_backbone(Link::byName(link_backbone));
 407
 408     free(link_backbone);
 409   }
 410
 411   XBT_DEBUG("</AS>");
 412   sg_platf_new_AS_end();
 413   XBT_DEBUG(" ");
 414   xbt_dict_free(&patterns); // no op if it were never set
 415
 416   simgrid::surf::on_cluster(cluster);
 417 }
 418 void routing_cluster_add_backbone(simgrid::surf::Link* bb) {
 419   simgrid::surf::AsCluster *cluster = dynamic_cast<simgrid::surf::AsCluster*>(current_routing);
 420
 421   xbt_assert(cluster, "Only hosts from Cluster can get a backbone.");
 422   xbt_assert(nullptr == cluster->backbone_, "Cluster %s already has a backbone link!", cluster->name());
 423
 424   cluster->backbone_ = bb;
 425   XBT_DEBUG("Add a backbone to AS '%s'", current_routing->name());
 426 }
 427
 428 void sg_platf_new_storage(sg_platf_storage_cbarg_t storage)
 429 {
 430   xbt_assert(!xbt_lib_get_or_null(storage_lib, storage->id,ROUTING_STORAGE_LEVEL),
 431                "Refusing to add a second storage named \"%s\"", storage->id);
 432
 433   void* stype = xbt_lib_get_or_null(storage_type_lib, storage->type_id,ROUTING_STORAGE_TYPE_LEVEL);
 434   xbt_assert(stype,"No storage type '%s'", storage->type_id);
 435
 436   XBT_DEBUG("ROUTING Create a storage name '%s' with type_id '%s' and content '%s'",
 437       storage->id,
 438       storage->type_id,
 439       storage->content);
 440
 441   xbt_lib_set(storage_lib, storage->id, ROUTING_STORAGE_LEVEL, (void *) xbt_strdup(storage->type_id));
 442
 443   // if storage content is not specified use the content of storage_type if any
 444   if(!strcmp(storage->content,"") && strcmp(((storage_type_t) stype)->content,"")){
 445     storage->content = ((storage_type_t) stype)->content;
 446     storage->content_type = ((storage_type_t) stype)->content_type;
 447     XBT_DEBUG("For disk '%s' content is empty, inherit the content (of type %s) from storage type '%s' ",
 448         storage->id,((storage_type_t) stype)->content_type,
 449         ((storage_type_t) stype)->type_id);
 450   }
 451
 452   XBT_DEBUG("SURF storage create resource\n\t\tid '%s'\n\t\ttype '%s' "
 453       "\n\t\tmodel '%s' \n\t\tcontent '%s'\n\t\tcontent_type '%s' "
 454       "\n\t\tproperties '%p''\n",
 455       storage->id,
 456       ((storage_type_t) stype)->model,
 457       ((storage_type_t) stype)->type_id,
 458       storage->content,
 459       storage->content_type,
 460     storage->properties);
 461
 462   surf_storage_model->createStorage(storage->id,
 463                                      ((storage_type_t) stype)->type_id,
 464                                      storage->content,
 465                                      storage->content_type,
 466                    storage->properties,
 467                                      storage->attach);
 468 }
 469 void sg_platf_new_storage_type(sg_platf_storage_type_cbarg_t storage_type){
 470
 471   xbt_assert(!xbt_lib_get_or_null(storage_type_lib, storage_type->id,ROUTING_STORAGE_TYPE_LEVEL),
 472                "Reading a storage type, processing unit \"%s\" already exists", storage_type->id);
 473
 474   storage_type_t stype = xbt_new0(s_storage_type_t, 1);
 475   stype->model = xbt_strdup(storage_type->model);
 476   stype->properties = storage_type->properties;
 477   stype->content = xbt_strdup(storage_type->content);
 478   stype->content_type = xbt_strdup(storage_type->content_type);
 479   stype->type_id = xbt_strdup(storage_type->id);
 480   stype->size = storage_type->size;
 481   stype->model_properties = storage_type->model_properties;
 482
 483   XBT_DEBUG("ROUTING Create a storage type id '%s' with model '%s', "
 484       "content '%s', and content_type '%s'",
 485       stype->type_id,
 486       stype->model,
 487       storage_type->content,
 488       storage_type->content_type);
 489
 490   xbt_lib_set(storage_type_lib,
 491       stype->type_id,
 492       ROUTING_STORAGE_TYPE_LEVEL,
 493       (void *) stype);
 494 }
 495 void sg_platf_new_mstorage(sg_platf_mstorage_cbarg_t mstorage)
 496 {
 497   THROW_UNIMPLEMENTED;
 498 }
 499
 500 static void mount_free(void *p)
 501 {
 502   mount_t mnt = (mount_t) p;
 503   xbt_free(mnt->name);
 504 }
 505
 506 void sg_platf_new_mount(sg_platf_mount_cbarg_t mount){
 507   // Verification of an existing storage
 508   xbt_assert(xbt_lib_get_or_null(storage_lib, mount->storageId, ROUTING_STORAGE_LEVEL),
 509       "Cannot mount non-existent disk \"%s\"", mount->storageId);
 510
 511   XBT_DEBUG("ROUTING Mount '%s' on '%s'",mount->storageId, mount->name);
 512
 513   s_mount_t mnt;
 514   mnt.storage = surf_storage_resource_priv(surf_storage_resource_by_name(mount->storageId));
 515   mnt.name = xbt_strdup(mount->name);
 516
 517   if(!mount_list){
 518     XBT_DEBUG("Create a Mount list for %s",A_surfxml_host_id);
 519     mount_list = xbt_dynar_new(sizeof(s_mount_t), mount_free);
 520   }
 521   xbt_dynar_push(mount_list, &mnt);
 522 }
 523
 524 void sg_platf_new_route(sg_platf_route_cbarg_t route)
 525 {
 526   routing_get_current()->addRoute(route);
 527 }
 528
 529 void sg_platf_new_bypassRoute(sg_platf_route_cbarg_t bypassRoute)
 530 {
 531   routing_get_current()->addBypassRoute(bypassRoute);
 532 }
 533
 534 void sg_platf_new_process(sg_platf_process_cbarg_t process)
 535 {
 536   xbt_assert(simix_global,"Cannot create process without SIMIX.");
 537
 538   sg_host_t host = sg_host_by_name(process->host);
 539   if (!host) {
 540     // The requested host does not exist. Do a nice message to the user
 541     char *tmp = bprintf("Cannot create process '%s': host '%s' does not exist\nExisting hosts: '",process->function, process->host);
 542     xbt_strbuff_t msg = xbt_strbuff_new_from(tmp);
 543     free(tmp);
 544     xbt_dynar_t all_hosts = xbt_dynar_sort_strings(sg_hosts_as_dynar());
 545     simgrid::s4u::Host* host;
 546     unsigned int cursor;
 547     xbt_dynar_foreach(all_hosts,cursor, host) {
 548       xbt_strbuff_append(msg,host->name().c_str());
 549       xbt_strbuff_append(msg,"', '");
 550       if (msg->used > 1024) {
 551         msg->data[msg->used-3]='\0';
 552         msg->used -= 3;
 553
 554         xbt_strbuff_append(msg," ...(list truncated)......");// That will be shortened by 3 chars when existing the loop
 555       }
 556     }
 557     msg->data[msg->used-3]='\0';
 558     xbt_die("%s", msg->data);
 559   }
 560   xbt_main_func_t parse_code = SIMIX_get_registered_function(process->function);
 561   xbt_assert(parse_code, "Function '%s' unknown", process->function);
 562
 563   double start_time = process->start_time;
 564   double kill_time  = process->kill_time;
 565   int auto_restart = process->on_failure == SURF_PROCESS_ON_FAILURE_DIE ? 0 : 1;
 566
 567   smx_process_arg_t arg = NULL;
 568   smx_process_t process_created = NULL;
 569
 570   arg = xbt_new0(s_smx_process_arg_t, 1);
 571   arg->code = parse_code;
 572   arg->data = NULL;
 573   arg->hostname = sg_host_get_name(host);
 574   arg->argc = process->argc;
 575   arg->argv = xbt_new(char *,process->argc);
 576   int i;
 577   for (i=0; i<process->argc; i++)
 578     arg->argv[i] = xbt_strdup(process->argv[i]);
 579   arg->name = xbt_strdup(arg->argv[0]);
 580   arg->kill_time = kill_time;
 581   arg->properties = current_property_set;
 582   if (!sg_host_simix(host)->boot_processes) {
 583     sg_host_simix(host)->boot_processes = xbt_dynar_new(sizeof(smx_process_arg_t), _SIMIX_host_free_process_arg);
 584   }
 585   xbt_dynar_push_as(sg_host_simix(host)->boot_processes,smx_process_arg_t,arg);
 586
 587   if (start_time > SIMIX_get_clock()) {
 588     arg = xbt_new0(s_smx_process_arg_t, 1);
 589     arg->name = (char*)(process->argv)[0];
 590     arg->code = parse_code;
 591     arg->data = NULL;
 592     arg->hostname = sg_host_get_name(host);
 593     arg->argc = process->argc;
 594     arg->argv = (char**)(process->argv);
 595     arg->kill_time = kill_time;
 596     arg->properties = current_property_set;
 597
 598     XBT_DEBUG("Process %s(%s) will be started at time %f", arg->name,
 599            arg->hostname, start_time);
 600     SIMIX_timer_set(start_time, [](void* arg) {
 601       SIMIX_process_create_from_wrapper((smx_process_arg_t) arg);
 602     }, arg);
 603   } else {                      // start_time <= SIMIX_get_clock()
 604     XBT_DEBUG("Starting Process %s(%s) right now", arg->name, sg_host_get_name(host));
 605
 606     if (simix_global->create_process_function)
 607       process_created = simix_global->create_process_function(
 608           arg->name,
 609                                             parse_code,
 610                                             NULL,
 611                                             sg_host_get_name(host),
 612                                             kill_time,
 613                                             process->argc,
 614                                             (char**)(process->argv),
 615                                             current_property_set,
 616                                             auto_restart, NULL);
 617     else
 618       process_created = simcall_process_create(arg->name, parse_code, NULL, sg_host_get_name(host), kill_time, process->argc,
 619           (char**)process->argv, current_property_set,auto_restart);
 620
 621     /* verify if process has been created (won't be the case if the host is currently dead, but that's fine) */
 622     if (!process_created) {
 623       return;
 624     }
 625   }
 626   current_property_set = NULL;
 627 }
 628
 629 void sg_platf_new_peer(sg_platf_peer_cbarg_t peer)
 630 {
 631   using simgrid::surf::NetCard;
 632   using simgrid::surf::AsCluster;
 633
 634   char *host_id = NULL;
 635   char *link_id = NULL;
 636   char *router_id = NULL;
 637
 638   XBT_DEBUG(" ");
 639   host_id = bprintf("peer_%s", peer->id);
 640   link_id = bprintf("link_%s", peer->id);
 641   router_id = bprintf("router_%s", peer->id);
 642
 643   XBT_DEBUG("<AS id=\"%s\"\trouting=\"Cluster\">", peer->id);
 644   s_sg_platf_AS_cbarg_t AS = SG_PLATF_AS_INITIALIZER;
 645   AS.id                    = peer->id;
 646   AS.routing               = A_surfxml_AS_routing_Cluster;
 647   sg_platf_new_AS_begin(&AS);
 648
 649   XBT_DEBUG("<host\tid=\"%s\"\tpower=\"%f\"/>", host_id, peer->speed);
 650   s_sg_platf_host_cbarg_t host = SG_PLATF_HOST_INITIALIZER;
 651   memset(&host, 0, sizeof(host));
 652   host.id = host_id;
 653
 654   host.speed_peak = xbt_dynar_new(sizeof(double), NULL);
 655   xbt_dynar_push(host.speed_peak,&peer->speed);
 656   host.pstate = 0;
 657   //host.power_peak = peer->power;
 658   host.speed_trace = peer->availability_trace;
 659   host.state_trace = peer->state_trace;
 660   host.core_amount = 1;
 661   sg_platf_new_host(&host);
 662   xbt_dynar_free(&host.speed_peak);
 663
 664   s_sg_platf_link_cbarg_t link = SG_PLATF_LINK_INITIALIZER;
 665   memset(&link, 0, sizeof(link));
 666   link.policy  = SURF_LINK_SHARED;
 667   link.latency = peer->lat;
 668
 669   char* link_up = bprintf("%s_UP",link_id);
 670   XBT_DEBUG("<link\tid=\"%s\"\tbw=\"%f\"\tlat=\"%f\"/>", link_up,
 671             peer->bw_out, peer->lat);
 672   link.id = link_up;
 673   link.bandwidth = peer->bw_out;
 674   sg_platf_new_link(&link);
 675
 676   char* link_down = bprintf("%s_DOWN",link_id);
 677   XBT_DEBUG("<link\tid=\"%s\"\tbw=\"%f\"\tlat=\"%f\"/>", link_down,
 678             peer->bw_in, peer->lat);
 679   link.id = link_down;
 680   link.bandwidth = peer->bw_in;
 681   sg_platf_new_link(&link);
 682
 683   XBT_DEBUG("<host_link\tid=\"%s\"\tup=\"%s\"\tdown=\"%s\" />", host_id,link_up,link_down);
 684   s_sg_platf_host_link_cbarg_t host_link = SG_PLATF_HOST_LINK_INITIALIZER;
 685   memset(&host_link, 0, sizeof(host_link));
 686   host_link.id        = host_id;
 687   host_link.link_up   = link_up;
 688   host_link.link_down = link_down;
 689   sg_platf_new_hostlink(&host_link);
 690
 691   XBT_DEBUG("<router id=\"%s\"/>", router_id);
 692   s_sg_platf_router_cbarg_t router = SG_PLATF_ROUTER_INITIALIZER;
 693   memset(&router, 0, sizeof(router));
 694   router.id = router_id;
 695   router.coord = peer->coord;
 696   sg_platf_new_router(&router);
 697   static_cast<AsCluster*>(current_routing)->router_ = static_cast<NetCard*>(xbt_lib_get_or_null(as_router_lib, router.id, ROUTING_ASR_LEVEL));
 698
 699   XBT_DEBUG("</AS>");
 700   sg_platf_new_AS_end();
 701   XBT_DEBUG(" ");
 702
 703   //xbt_dynar_free(&tab_elements_num);
 704   free(router_id);
 705   free(host_id);
 706   free(link_id);
 707   free(link_up);
 708   free(link_down);
 709 }
 710
 711 void sg_platf_begin() { /* Do nothing: just for symmetry of user code */ }
 712
 713 void sg_platf_end() {
 714   simgrid::surf::on_postparse();
 715 }
 716
 717 /* Pick the right models for CPU, net and host, and call their model_init_preparse */
 718 static void surf_config_models_setup()
 719 {
 720   const char *host_model_name;
 721   const char *vm_model_name;
 722   int host_id = -1;
 723   int vm_id = -1;
 724   char *network_model_name = NULL;
 725   char *cpu_model_name = NULL;
 726   int storage_id = -1;
 727   char *storage_model_name = NULL;
 728
 729   host_model_name = xbt_cfg_get_string(_sg_cfg_set, "host/model");
 730   vm_model_name = xbt_cfg_get_string(_sg_cfg_set, "vm/model");
 731   network_model_name = xbt_cfg_get_string(_sg_cfg_set, "network/model");
 732   cpu_model_name = xbt_cfg_get_string(_sg_cfg_set, "cpu/model");
 733   storage_model_name = xbt_cfg_get_string(_sg_cfg_set, "storage/model");
 734
 735   /* Check whether we use a net/cpu model differing from the default ones, in which case
 736    * we should switch to the "compound" host model to correctly dispatch stuff to
 737    * the right net/cpu models.
 738    */
 739
 740   if ((!xbt_cfg_is_default_value(_sg_cfg_set, "network/model") ||
 741        !xbt_cfg_is_default_value(_sg_cfg_set, "cpu/model")) &&
 742       xbt_cfg_is_default_value(_sg_cfg_set, "host/model")) {
 743     host_model_name = "compound";
 744     xbt_cfg_set_string(_sg_cfg_set, "host/model", host_model_name);
 745   }
 746
 747   XBT_DEBUG("host model: %s", host_model_name);
 748   host_id = find_model_description(surf_host_model_description, host_model_name);
 749   if (!strcmp(host_model_name, "compound")) {
 750     int network_id = -1;
 751     int cpu_id = -1;
 752
 753     xbt_assert(cpu_model_name,
 754                 "Set a cpu model to use with the 'compound' host model");
 755
 756     xbt_assert(network_model_name,
 757                 "Set a network model to use with the 'compound' host model");
 758
 759     if(surf_cpu_model_init_preparse){
 760       surf_cpu_model_init_preparse();
 761     } else {
 762       cpu_id =
 763           find_model_description(surf_cpu_model_description, cpu_model_name);
 764       surf_cpu_model_description[cpu_id].model_init_preparse();
 765     }
 766
 767     network_id =
 768         find_model_description(surf_network_model_description,
 769                                network_model_name);
 770     surf_network_model_description[network_id].model_init_preparse();
 771   }
 772
 773   XBT_DEBUG("Call host_model_init");
 774   surf_host_model_description[host_id].model_init_preparse();
 775
 776   XBT_DEBUG("Call vm_model_init");
 777   vm_id = find_model_description(surf_vm_model_description, vm_model_name);
 778   surf_vm_model_description[vm_id].model_init_preparse();
 779
 780   XBT_DEBUG("Call storage_model_init");
 781   storage_id = find_model_description(surf_storage_model_description, storage_model_name);
 782   surf_storage_model_description[storage_id].model_init_preparse();
 783
 784 }
 785
 786 /**
 787  * \brief Make a new routing component to the platform
 788  *
 789  * Add a new autonomous system to the platform. Any elements (such as host,
 790  * router or sub-AS) added after this call and before the corresponding call
 791  * to sg_platf_new_AS_close() will be added to this AS.
 792  *
 793  * Once this function was called, the configuration concerning the used
 794  * models cannot be changed anymore.
 795  *
 796  * @param AS_id name of this autonomous system. Must be unique in the platform
 797  * @param wanted_routing_type one of Full, Floyd, Dijkstra or similar. Full list in the variable routing_models, in src/surf/surf_routing.c
 798  */
 799 void routing_AS_begin(sg_platf_AS_cbarg_t AS)
 800 {
 801   XBT_DEBUG("routing_AS_begin");
 802
 803   xbt_assert(nullptr == xbt_lib_get_or_null(as_router_lib, AS->id, ROUTING_ASR_LEVEL),
 804       "Refusing to create a second AS called \"%s\".", AS->id);
 805
 806   _sg_cfg_init_status = 2; /* HACK: direct access to the global controlling the level of configuration to prevent
 807                             * any further config now that we created some real content */
 808
 809
 810   /* search the routing model */
 811   simgrid::surf::AsImpl *new_as = NULL;
 812   switch(AS->routing){
 813     case A_surfxml_AS_routing_Cluster:        new_as = new simgrid::surf::AsCluster(AS->id);        break;
 814     case A_surfxml_AS_routing_ClusterTorus:   new_as = new simgrid::surf::AsClusterTorus(AS->id);   break;
 815     case A_surfxml_AS_routing_ClusterFatTree: new_as = new simgrid::surf::AsClusterFatTree(AS->id); break;
 816     case A_surfxml_AS_routing_Dijkstra:       new_as = new simgrid::surf::AsDijkstra(AS->id, 0);    break;
 817     case A_surfxml_AS_routing_DijkstraCache:  new_as = new simgrid::surf::AsDijkstra(AS->id, 1);    break;
 818     case A_surfxml_AS_routing_Floyd:          new_as = new simgrid::surf::AsFloyd(AS->id);          break;
 819     case A_surfxml_AS_routing_Full:           new_as = new simgrid::surf::AsFull(AS->id);           break;
 820     case A_surfxml_AS_routing_None:           new_as = new simgrid::surf::AsNone(AS->id);           break;
 821     case A_surfxml_AS_routing_Vivaldi:        new_as = new simgrid::surf::AsVivaldi(AS->id);        break;
 822     default:                                  xbt_die("Not a valid model!");                        break;
 823   }
 824
 825   /* make a new routing component */
 826   simgrid::surf::NetCard *netcard = new simgrid::surf::NetCardImpl(new_as->name(), SURF_NETWORK_ELEMENT_AS, current_routing);
 827
 828   if (current_routing == NULL && routing_platf->root_ == NULL) {
 829     /* it is the first one */
 830     routing_platf->root_ = new_as;
 831     netcard->setId(-1);
 832   } else if (current_routing != NULL && routing_platf->root_ != NULL) {
 833
 834     xbt_assert(!xbt_dict_get_or_null(current_routing->children(), AS->id),
 835                "The AS \"%s\" already exists", AS->id);
 836     /* it is a part of the tree */
 837     new_as->father_ = current_routing;
 838     /* set the father behavior */
 839     if (current_routing->hierarchy_ == simgrid::surf::AsImpl::RoutingMode::unset)
 840       current_routing->hierarchy_ = simgrid::surf::AsImpl::RoutingMode::recursive;
 841     /* add to the sons dictionary */
 842     xbt_dict_set(current_routing->children(), AS->id, (void *) new_as, NULL);
 843     /* add to the father element list */
 844     netcard->setId(current_routing->addComponent(netcard));
 845   } else {
 846     THROWF(arg_error, 0, "All defined components must belong to a AS");
 847   }
 848
 849   xbt_lib_set(as_router_lib, netcard->name(), ROUTING_ASR_LEVEL, (void *) netcard);
 850   XBT_DEBUG("Having set name '%s' id '%d'", new_as->name(), netcard->id());
 851
 852   /* set the new current component of the tree */
 853   current_routing = new_as;
 854   current_routing->netcard_ = netcard;
 855
 856   simgrid::surf::netcardCreatedCallbacks(netcard);
 857   simgrid::surf::asCreatedCallbacks(new_as);
 858 }
 859
 860 void sg_platf_new_AS_begin(sg_platf_AS_cbarg_t AS)
 861 {
 862   if (!surf_parse_models_setup_already_called) {
 863     /* Initialize the surf models. That must be done after we got all config, and before we need the models.
 864      * That is, after the last <config> tag, if any, and before the first of cluster|peer|AS|trace|trace_connect
 865      *
 866      * I'm not sure for <trace> and <trace_connect>, there may be a bug here
 867      * (FIXME: check it out by creating a file beginning with one of these tags)
 868      * but cluster and peer create ASes internally, so putting the code in there is ok.
 869      *
 870      * TODO, There used to be a guard protecting here against
 871      * xbt_dynar_length(sg_platf_AS_begin_cb_list) because we don't want to
 872      * initialize the models if we are parsing the file to get the deployment.
 873      * That could happen if the same file would be used for platf and deploy:
 874      * it'd contain AS tags even during the deploy parsing. Removing that guard
 875      * would result of the models to get re-inited when parsing for deploy.
 876      * Currently using the same file for platform and deployment is broken
 877      * however. This guard will have to ba adapted in order to make this feature
 878      * work again.
 879      */
 880     surf_parse_models_setup_already_called = 1;
 881     surf_config_models_setup();
 882   }
 883
 884   routing_AS_begin(AS);
 885   if (TRACE_is_enabled())
 886     sg_instr_AS_begin(AS);
 887 }
 888
 889 void sg_platf_new_AS_end()
 890 {
 891   routing_AS_end();
 892   if (TRACE_is_enabled())
 893     sg_instr_AS_end();
 894 }
 895 /**
 896  * \brief Specify that the current description of AS is finished
 897  *
 898  * Once you've declared all the content of your AS, you have to close
 899  * it with this call. Your AS is not usable until you call this function.
 900  */
 901 void routing_AS_end()
 902 {
 903   xbt_assert(current_routing, "Cannot seal the current AS: none under construction");
 904   current_routing->Seal();
 905   current_routing = static_cast<simgrid::surf::AsImpl*>(current_routing->father());
 906 }
 907
 908 /** @brief Add a link connecting an host to the rest of its AS (which must be cluster or vivaldi) */
 909 void sg_platf_new_hostlink(sg_platf_host_link_cbarg_t netcard_arg)
 910 {
 911   simgrid::surf::NetCard *netcard = sg_host_by_name(netcard_arg->id)->pimpl_netcard;
 912   xbt_assert(netcard, "Host '%s' not found!", netcard_arg->id);
 913   xbt_assert(dynamic_cast<simgrid::surf::AsCluster*>(current_routing) ||
 914              dynamic_cast<simgrid::surf::AsVivaldi*>(current_routing),
 915       "Only hosts from Cluster and Vivaldi ASes can get a host_link.");
 916
 917   s_surf_parsing_link_up_down_t link_up_down;
 918   link_up_down.link_up = Link::byName(netcard_arg->link_up);
 919   link_up_down.link_down = Link::byName(netcard_arg->link_down);
 920
 921   xbt_assert(link_up_down.link_up, "Link '%s' not found!",netcard_arg->link_up);
 922   xbt_assert(link_up_down.link_down, "Link '%s' not found!",netcard_arg->link_down);
 923
 924   // If dynar is is greater than netcard id and if the host_link is already defined
 925   if((int)xbt_dynar_length(current_routing->upDownLinks) > netcard->id() &&
 926       xbt_dynar_get_as(current_routing->upDownLinks, netcard->id(), void*))
 927   surf_parse_error("Host_link for '%s' is already defined!",netcard_arg->id);
 928
 929   XBT_DEBUG("Push Host_link for host '%s' to position %d", netcard->name(), netcard->id());
 930   xbt_dynar_set_as(current_routing->upDownLinks, netcard->id(), s_surf_parsing_link_up_down_t, link_up_down);
 931 }