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/functional.hpp>
  13 #include <xbt/signal.hpp>
  14 #include "src/surf/HostImpl.hpp"
  15 #include "surf/surf.h"
  16
  17 #include "src/simix/smx_private.h"
  18
  19 #include "src/include/simgrid/sg_config.h"
  20 #include "src/surf/xml/platf_private.hpp"
  21
  22 #include "src/surf/HostImpl.hpp"
  23 #include "src/surf/cpu_interface.hpp"
  24 #include "src/surf/network_interface.hpp"
  25 #include "surf/surf_routing.h" // FIXME: brain dead public header
  26
  27 #include "src/kernel/routing/AsImpl.hpp"
  28 #include "src/kernel/routing/AsCluster.hpp"
  29 #include "src/kernel/routing/AsClusterTorus.hpp"
  30 #include "src/kernel/routing/AsClusterFatTree.hpp"
  31 #include "src/kernel/routing/AsClusterDragonfly.hpp"
  32 #include "src/kernel/routing/AsDijkstra.hpp"
  33 #include "src/kernel/routing/AsFloyd.hpp"
  34 #include "src/kernel/routing/AsFull.hpp"
  35 #include "src/kernel/routing/AsNone.hpp"
  36 #include "src/kernel/routing/AsVivaldi.hpp"
  37
  38 XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(surf_parse);
  39
  40 XBT_PRIVATE xbt_dynar_t mount_list = nullptr;
  41
  42 namespace simgrid {
  43 namespace surf {
  44
  45 simgrid::xbt::signal<void(sg_platf_link_cbarg_t)> on_link;
  46 simgrid::xbt::signal<void(sg_platf_cluster_cbarg_t)> on_cluster;
  47 simgrid::xbt::signal<void(void)> on_postparse;
  48
  49 }
  50 }
  51
  52 static int surf_parse_models_setup_already_called = 0;
  53
  54 /** The current AS in the parsing */
  55 static simgrid::kernel::routing::AsImpl *current_routing = nullptr;
  56 static simgrid::kernel::routing::AsImpl *routing_get_current()
  57 {
  58   return current_routing;
  59 }
  60
  61 /** Module management function: creates all internal data structures */
  62 void sg_platf_init() {
  63 }
  64
  65 /** Module management function: frees all internal data structures */
  66 void sg_platf_exit() {
  67   simgrid::surf::on_link.disconnect_all_slots();
  68   simgrid::surf::on_cluster.disconnect_all_slots();
  69   simgrid::surf::on_postparse.disconnect_all_slots();
  70
  71   /* make sure that we will reinit the models while loading the platf once reinited */
  72   surf_parse_models_setup_already_called = 0;
  73   surf_parse_lex_destroy();
  74 }
  75
  76 /** @brief Add an host to the current AS */
  77 void sg_platf_new_host(sg_platf_host_cbarg_t host)
  78 {
  79   simgrid::kernel::routing::AsImpl* current_routing = routing_get_current();
  80   if (current_routing->hierarchy_ == simgrid::kernel::routing::AsImpl::RoutingMode::unset)
  81     current_routing->hierarchy_ = simgrid::kernel::routing::AsImpl::RoutingMode::base;
  82
  83   simgrid::kernel::routing::NetCard *netcard =
  84       new simgrid::kernel::routing::NetCardImpl(host->id, simgrid::kernel::routing::NetCard::Type::Host, current_routing);
  85
  86   simgrid::s4u::Host* h = new simgrid::s4u::Host(host->id);
  87   h->pimpl_netcard = netcard;
  88
  89   if (host->coord && strcmp(host->coord, "")) {
  90     unsigned int cursor;
  91     char*str;
  92
  93     xbt_assert(COORD_HOST_LEVEL, "To use host coordinates, please add --cfg=network/coordinates:yes to your command line");
  94     /* Pre-parse the host coordinates -- FIXME factorize with routers by overloading the routing->parse_PU function*/
  95     xbt_dynar_t ctn_str = xbt_str_split_str(host->coord, " ");
  96     xbt_assert(xbt_dynar_length(ctn_str)==3,"Coordinates of %s must have 3 dimensions", host->id);
  97
  98     xbt_dynar_t ctn = xbt_dynar_new(sizeof(double),nullptr);
  99     xbt_dynar_foreach(ctn_str,cursor, str) {
 100       double val = xbt_str_parse_double(str, "Invalid coordinate: %s");
 101       xbt_dynar_push(ctn,&val);
 102     }
 103     xbt_dynar_free(&ctn_str);
 104     xbt_dynar_shrink(ctn, 0);
 105     h->extension_set(COORD_HOST_LEVEL, (void *) ctn);
 106   }
 107
 108   simgrid::surf::Cpu *cpu = surf_cpu_model_pm->createCpu( h, &host->speed_per_pstate, host->core_amount);
 109   if (host->state_trace)
 110     cpu->setStateTrace(host->state_trace);
 111   if (host->speed_trace)
 112     cpu->setSpeedTrace(host->speed_trace);
 113
 114   simgrid::surf::HostImpl* hi = new simgrid::surf::HostImpl(surf_host_model, host->id, mount_list);
 115   hi->attach(h);
 116   xbt_lib_set(storage_lib, host->id, ROUTING_STORAGE_HOST_LEVEL, (void*)mount_list);
 117
 118   mount_list = nullptr;
 119
 120   if (host->properties) {
 121     xbt_dict_cursor_t cursor=nullptr;
 122     char *key,*data;
 123     xbt_dict_foreach(host->properties,cursor,key,data)
 124       h->setProperty(key,data);
 125     xbt_dict_free(&host->properties);
 126   }
 127
 128   if (host->pstate != 0)
 129     cpu->setPState(host->pstate);
 130
 131   simgrid::s4u::Host::onCreation(*h);
 132
 133   if (TRACE_is_enabled() && TRACE_needs_platform())
 134     sg_instr_new_host(host);
 135 }
 136
 137 /** @brief Add a "router" to the network element list */
 138 void sg_platf_new_router(sg_platf_router_cbarg_t router)
 139 {
 140   using simgrid::kernel::routing::AsCluster;
 141   simgrid::kernel::routing::AsImpl* current_routing = routing_get_current();
 142
 143   if (current_routing->hierarchy_ == simgrid::kernel::routing::AsImpl::RoutingMode::unset)
 144     current_routing->hierarchy_ = simgrid::kernel::routing::AsImpl::RoutingMode::base;
 145   xbt_assert(nullptr == xbt_lib_get_or_null(as_router_lib, router->id, ROUTING_ASR_LEVEL),
 146              "Refusing to create a router named '%s': this name already describes a node.", router->id);
 147
 148   simgrid::kernel::routing::NetCard* netcard =
 149     new simgrid::kernel::routing::NetCardImpl(router->id, simgrid::kernel::routing::NetCard::Type::Router, current_routing);
 150   xbt_lib_set(as_router_lib, router->id, ROUTING_ASR_LEVEL, netcard);
 151   XBT_DEBUG("Router '%s' has the id %d", router->id, netcard->id());
 152
 153   if (router->coord && strcmp(router->coord, "")) {
 154     unsigned int cursor;
 155     char*str;
 156
 157     xbt_assert(COORD_ASR_LEVEL, "To use host coordinates, please add --cfg=network/coordinates:yes to your command line");
 158     /* Pre-parse the host coordinates */
 159     xbt_dynar_t ctn_str = xbt_str_split_str(router->coord, " ");
 160     xbt_assert(xbt_dynar_length(ctn_str)==3,"Coordinates of %s must have 3 dimensions", router->id);
 161     xbt_dynar_t ctn = xbt_dynar_new(sizeof(double),nullptr);
 162     xbt_dynar_foreach(ctn_str,cursor, str) {
 163       double val = xbt_str_parse_double(str, "Invalid coordinate: %s");
 164       xbt_dynar_push(ctn,&val);
 165     }
 166     xbt_dynar_free(&ctn_str);
 167     xbt_dynar_shrink(ctn, 0);
 168     xbt_lib_set(as_router_lib, router->id, COORD_ASR_LEVEL, (void *) ctn);
 169   }
 170
 171   auto cluster = dynamic_cast<AsCluster*>(current_routing);
 172   if(cluster != nullptr)
 173     cluster->router_ = static_cast<simgrid::kernel::routing::NetCard*>(xbt_lib_get_or_null(as_router_lib, router->id, ROUTING_ASR_LEVEL));
 174
 175   if (TRACE_is_enabled() && TRACE_needs_platform())
 176     sg_instr_new_router(router);
 177 }
 178
 179 void sg_platf_new_link(sg_platf_link_cbarg_t link){
 180   std::vector<char*> names;
 181
 182   if (link->policy == SURF_LINK_FULLDUPLEX) {
 183     names.push_back(bprintf("%s_UP", link->id));
 184     names.push_back(bprintf("%s_DOWN", link->id));
 185   } else {
 186     names.push_back(xbt_strdup(link->id));
 187   }
 188   for (auto link_name : names) {
 189     Link *l = surf_network_model->createLink(link_name, link->bandwidth, link->latency, link->policy, link->properties);
 190
 191     if (link->latency_trace)
 192       l->setLatencyTrace(link->latency_trace);
 193     if (link->bandwidth_trace)
 194       l->setBandwidthTrace(link->bandwidth_trace);
 195     if (link->state_trace)
 196       l->setStateTrace(link->state_trace);
 197
 198     xbt_free(link_name);
 199   }
 200
 201   simgrid::surf::on_link(link);
 202 }
 203
 204 void sg_platf_new_cluster(sg_platf_cluster_cbarg_t cluster)
 205 {
 206   using simgrid::kernel::routing::AsCluster;
 207   using simgrid::kernel::routing::AsClusterDragonfly;
 208   using simgrid::kernel::routing::AsClusterFatTree;
 209   using simgrid::kernel::routing::AsClusterTorus;
 210
 211   int rankId=0;
 212
 213   s_sg_platf_link_cbarg_t link;
 214
 215   // What an inventive way of initializing the AS that I have as ancestor :-(
 216   s_sg_platf_AS_cbarg_t AS;
 217   AS.id = cluster->id;
 218   switch (cluster->topology) {
 219   case SURF_CLUSTER_TORUS:
 220     AS.routing = A_surfxml_AS_routing_ClusterTorus;
 221     break;
 222   case SURF_CLUSTER_DRAGONFLY:
 223     AS.routing = A_surfxml_AS_routing_ClusterDragonfly;
 224     break;
 225   case SURF_CLUSTER_FAT_TREE:
 226     AS.routing = A_surfxml_AS_routing_ClusterFatTree;
 227     break;
 228   default:
 229     AS.routing = A_surfxml_AS_routing_Cluster;
 230     break;
 231   }
 232   sg_platf_new_AS_begin(&AS);
 233   simgrid::kernel::routing::AsCluster *current_as = static_cast<AsCluster*>(routing_get_current());
 234   current_as->parse_specific_arguments(cluster);
 235
 236   if(cluster->loopback_bw!=0 || cluster->loopback_lat!=0){
 237     current_as->linkCountPerNode_++;
 238     current_as->hasLoopback_ = 1;
 239   }
 240
 241   if(cluster->limiter_link!=0){
 242     current_as->linkCountPerNode_++;
 243     current_as->hasLimiter_ = 1;
 244   }
 245
 246   for (int i : *cluster->radicals) {
 247     char * host_id = bprintf("%s%d%s", cluster->prefix, i, cluster->suffix);
 248     char * link_id = bprintf("%s_link_%d", cluster->id, i);
 249
 250     XBT_DEBUG("<host\tid=\"%s\"\tpower=\"%f\">", host_id, cluster->speed);
 251
 252     s_sg_platf_host_cbarg_t host;
 253     memset(&host, 0, sizeof(host));
 254     host.id = host_id;
 255     if ((cluster->properties != nullptr) && (!xbt_dict_is_empty(cluster->properties))) {
 256       xbt_dict_cursor_t cursor=nullptr;
 257       char *key,*data;
 258       host.properties = xbt_dict_new();
 259
 260       xbt_dict_foreach(cluster->properties,cursor,key,data) {
 261         xbt_dict_set(host.properties, key, xbt_strdup(data),free);
 262       }
 263     }
 264
 265     host.speed_per_pstate.push_back(cluster->speed);
 266     host.pstate = 0;
 267     host.core_amount = cluster->core_amount;
 268     host.coord = "";
 269     sg_platf_new_host(&host);
 270     XBT_DEBUG("</host>");
 271
 272     XBT_DEBUG("<link\tid=\"%s\"\tbw=\"%f\"\tlat=\"%f\"/>", link_id, cluster->bw, cluster->lat);
 273
 274     s_surf_parsing_link_up_down_t info_lim;
 275     s_surf_parsing_link_up_down_t info_loop;
 276     // All links are saved in a matrix;
 277     // every row describes a single node; every node may have multiple links.
 278     // the first column may store a link from x to x if p_has_loopback is set
 279     // the second column may store a limiter link if p_has_limiter is set
 280     // other columns are to store one or more link for the node
 281
 282     //add a loopback link
 283     if(cluster->loopback_bw!=0 || cluster->loopback_lat!=0){
 284       char *tmp_link = bprintf("%s_loopback", link_id);
 285       XBT_DEBUG("<loopback\tid=\"%s\"\tbw=\"%f\"/>", tmp_link, cluster->loopback_bw);
 286
 287       memset(&link, 0, sizeof(link));
 288       link.id        = tmp_link;
 289       link.bandwidth = cluster->loopback_bw;
 290       link.latency   = cluster->loopback_lat;
 291       link.policy    = SURF_LINK_FATPIPE;
 292       sg_platf_new_link(&link);
 293       info_loop.linkUp = Link::byName(tmp_link);
 294       info_loop.linkDown = Link::byName(tmp_link);
 295       free(tmp_link);
 296
 297       auto as_cluster = static_cast<AsCluster*>(current_as);
 298       as_cluster->privateLinks_.insert({rankId*as_cluster->linkCountPerNode_, info_loop});
 299     }
 300
 301     //add a limiter link (shared link to account for maximal bandwidth of the node)
 302     if(cluster->limiter_link!=0){
 303       char *tmp_link = bprintf("%s_limiter", link_id);
 304       XBT_DEBUG("<limiter\tid=\"%s\"\tbw=\"%f\"/>", tmp_link, cluster->limiter_link);
 305
 306       memset(&link, 0, sizeof(link));
 307       link.id = tmp_link;
 308       link.bandwidth = cluster->limiter_link;
 309       link.latency = 0;
 310       link.policy = SURF_LINK_SHARED;
 311       sg_platf_new_link(&link);
 312       info_lim.linkUp = info_lim.linkDown = Link::byName(tmp_link);
 313       free(tmp_link);
 314       current_as->privateLinks_.insert(
 315           {rankId * current_as->linkCountPerNode_ + current_as->hasLoopback_ , info_lim});
 316     }
 317
 318     //call the cluster function that adds the others links
 319     if (cluster->topology == SURF_CLUSTER_FAT_TREE) {
 320       static_cast<AsClusterFatTree*>(current_as)->addProcessingNode(i);
 321     }
 322     else {
 323       current_as->create_links_for_node(cluster, i, rankId,
 324           rankId*current_as->linkCountPerNode_ + current_as->hasLoopback_ + current_as->hasLimiter_ );
 325     }
 326     xbt_free(link_id);
 327     xbt_free(host_id);
 328     rankId++;
 329   }
 330
 331   // Add a router. It is magically used thanks to the way in which surf_routing_cluster is written,
 332   // and it's very useful to connect clusters together
 333   XBT_DEBUG(" ");
 334   XBT_DEBUG("<router id=\"%s\"/>", cluster->router_id);
 335   char *newid = nullptr;
 336   s_sg_platf_router_cbarg_t router;
 337   memset(&router, 0, sizeof(router));
 338   router.id = cluster->router_id;
 339   if (!router.id || !strcmp(router.id, ""))
 340     router.id = newid = bprintf("%s%s_router%s", cluster->prefix, cluster->id, cluster->suffix);
 341   sg_platf_new_router(&router);
 342   current_as->router_ = (simgrid::kernel::routing::NetCard*) xbt_lib_get_or_null(as_router_lib, router.id, ROUTING_ASR_LEVEL);
 343   free(newid);
 344
 345   //Make the backbone
 346   if ((cluster->bb_bw != 0) || (cluster->bb_lat != 0)) {
 347
 348     memset(&link, 0, sizeof(link));
 349     link.id        = bprintf("%s_backbone", cluster->id);
 350     link.bandwidth = cluster->bb_bw;
 351     link.latency   = cluster->bb_lat;
 352     link.policy    = cluster->bb_sharing_policy;
 353
 354     XBT_DEBUG("<link\tid=\"%s\" bw=\"%f\" lat=\"%f\"/>", link.id, cluster->bb_bw, cluster->bb_lat);
 355     sg_platf_new_link(&link);
 356
 357     routing_cluster_add_backbone(Link::byName(link.id));
 358     free((char*)link.id);
 359   }
 360
 361   XBT_DEBUG("</AS>");
 362   sg_platf_new_AS_seal();
 363
 364   simgrid::surf::on_cluster(cluster);
 365   delete cluster->radicals;
 366 }
 367 void routing_cluster_add_backbone(simgrid::surf::Link* bb) {
 368   simgrid::kernel::routing::AsCluster *cluster = dynamic_cast<simgrid::kernel::routing::AsCluster*>(current_routing);
 369
 370   xbt_assert(cluster, "Only hosts from Cluster can get a backbone.");
 371   xbt_assert(nullptr == cluster->backbone_, "Cluster %s already has a backbone link!", cluster->name());
 372
 373   cluster->backbone_ = bb;
 374   XBT_DEBUG("Add a backbone to AS '%s'", current_routing->name());
 375 }
 376
 377 void sg_platf_new_cabinet(sg_platf_cabinet_cbarg_t cabinet)
 378 {
 379   for (int radical : *cabinet->radicals) {
 380     char *hostname = bprintf("%s%d%s", cabinet->prefix, radical, cabinet->suffix);
 381     s_sg_platf_host_cbarg_t host;
 382     memset(&host, 0, sizeof(host));
 383     host.pstate           = 0;
 384     host.core_amount      = 1;
 385     host.id               = hostname;
 386     host.speed_per_pstate.push_back(cabinet->speed);
 387     sg_platf_new_host(&host);
 388
 389     s_sg_platf_link_cbarg_t link;
 390     memset(&link, 0, sizeof(link));
 391     link.policy    = SURF_LINK_FULLDUPLEX;
 392     link.latency   = cabinet->lat;
 393     link.bandwidth = cabinet->bw;
 394     link.id        = bprintf("link_%s",hostname);
 395     sg_platf_new_link(&link);
 396     free((char*)link.id);
 397
 398     s_sg_platf_host_link_cbarg_t host_link;
 399     memset(&host_link, 0, sizeof(host_link));
 400     host_link.id        = hostname;
 401     host_link.link_up   = bprintf("link_%s_UP",hostname);
 402     host_link.link_down = bprintf("link_%s_DOWN",hostname);
 403     sg_platf_new_hostlink(&host_link);
 404     free((char*)host_link.link_up);
 405     free((char*)host_link.link_down);
 406
 407     free(hostname);
 408   }
 409   delete cabinet->radicals;
 410 }
 411
 412 void sg_platf_new_storage(sg_platf_storage_cbarg_t storage)
 413 {
 414   xbt_assert(!xbt_lib_get_or_null(storage_lib, storage->id,ROUTING_STORAGE_LEVEL),
 415                "Refusing to add a second storage named \"%s\"", storage->id);
 416
 417   void* stype = xbt_lib_get_or_null(storage_type_lib, storage->type_id,ROUTING_STORAGE_TYPE_LEVEL);
 418   xbt_assert(stype,"No storage type '%s'", storage->type_id);
 419
 420   XBT_DEBUG("ROUTING Create a storage name '%s' with type_id '%s' and content '%s'",
 421       storage->id,
 422       storage->type_id,
 423       storage->content);
 424
 425   xbt_lib_set(storage_lib, storage->id, ROUTING_STORAGE_LEVEL, (void *) xbt_strdup(storage->type_id));
 426
 427   // if storage content is not specified use the content of storage_type if any
 428   if(!strcmp(storage->content,"") && strcmp(((storage_type_t) stype)->content,"")){
 429     storage->content = ((storage_type_t) stype)->content;
 430     storage->content_type = ((storage_type_t) stype)->content_type;
 431     XBT_DEBUG("For disk '%s' content is empty, inherit the content (of type %s) from storage type '%s' ",
 432         storage->id,((storage_type_t) stype)->content_type,
 433         ((storage_type_t) stype)->type_id);
 434   }
 435
 436   XBT_DEBUG("SURF storage create resource\n\t\tid '%s'\n\t\ttype '%s' "
 437       "\n\t\tmodel '%s' \n\t\tcontent '%s'\n\t\tcontent_type '%s' "
 438       "\n\t\tproperties '%p''\n",
 439       storage->id,
 440       ((storage_type_t) stype)->model,
 441       ((storage_type_t) stype)->type_id,
 442       storage->content,
 443       storage->content_type,
 444     storage->properties);
 445
 446   surf_storage_model->createStorage(storage->id,
 447                                      ((storage_type_t) stype)->type_id,
 448                                      storage->content,
 449                                      storage->content_type,
 450                    storage->properties,
 451                                      storage->attach);
 452 }
 453 void sg_platf_new_storage_type(sg_platf_storage_type_cbarg_t storage_type){
 454
 455   xbt_assert(!xbt_lib_get_or_null(storage_type_lib, storage_type->id,ROUTING_STORAGE_TYPE_LEVEL),
 456                "Reading a storage type, processing unit \"%s\" already exists", storage_type->id);
 457
 458   storage_type_t stype = xbt_new0(s_storage_type_t, 1);
 459   stype->model = xbt_strdup(storage_type->model);
 460   stype->properties = storage_type->properties;
 461   stype->content = xbt_strdup(storage_type->content);
 462   stype->content_type = xbt_strdup(storage_type->content_type);
 463   stype->type_id = xbt_strdup(storage_type->id);
 464   stype->size = storage_type->size;
 465   stype->model_properties = storage_type->model_properties;
 466
 467   XBT_DEBUG("ROUTING Create a storage type id '%s' with model '%s', "
 468       "content '%s', and content_type '%s'",
 469       stype->type_id,
 470       stype->model,
 471       storage_type->content,
 472       storage_type->content_type);
 473
 474   xbt_lib_set(storage_type_lib,
 475       stype->type_id,
 476       ROUTING_STORAGE_TYPE_LEVEL,
 477       (void *) stype);
 478 }
 479
 480 static void mount_free(void *p)
 481 {
 482   mount_t mnt = (mount_t) p;
 483   xbt_free(mnt->name);
 484 }
 485
 486 void sg_platf_new_mount(sg_platf_mount_cbarg_t mount){
 487   xbt_assert(xbt_lib_get_or_null(storage_lib, mount->storageId, ROUTING_STORAGE_LEVEL),
 488       "Cannot mount non-existent disk \"%s\"", mount->storageId);
 489
 490   XBT_DEBUG("ROUTING Mount '%s' on '%s'",mount->storageId, mount->name);
 491
 492   s_mount_t mnt;
 493   mnt.storage = surf_storage_resource_priv(surf_storage_resource_by_name(mount->storageId));
 494   mnt.name = xbt_strdup(mount->name);
 495
 496   if(!mount_list){
 497     XBT_DEBUG("Create a Mount list for %s",A_surfxml_host_id);
 498     mount_list = xbt_dynar_new(sizeof(s_mount_t), mount_free);
 499   }
 500   xbt_dynar_push(mount_list, &mnt);
 501 }
 502
 503 void sg_platf_new_route(sg_platf_route_cbarg_t route)
 504 {
 505   routing_get_current()->addRoute(route);
 506 }
 507
 508 void sg_platf_new_bypassRoute(sg_platf_route_cbarg_t bypassRoute)
 509 {
 510   routing_get_current()->addBypassRoute(bypassRoute);
 511 }
 512
 513 void sg_platf_new_process(sg_platf_process_cbarg_t process)
 514 {
 515   sg_host_t host = sg_host_by_name(process->host);
 516   if (!host) {
 517     // The requested host does not exist. Do a nice message to the user
 518     char *tmp = bprintf("Cannot create process '%s': host '%s' does not exist\nExisting hosts: '",process->function, process->host);
 519     xbt_strbuff_t msg = xbt_strbuff_new_from(tmp);
 520     free(tmp);
 521     xbt_dynar_t all_hosts = xbt_dynar_sort_strings(sg_hosts_as_dynar());
 522     simgrid::s4u::Host* host;
 523     unsigned int cursor;
 524     xbt_dynar_foreach(all_hosts,cursor, host) {
 525       xbt_strbuff_append(msg,host->name().c_str());
 526       xbt_strbuff_append(msg,"', '");
 527       if (msg->used > 1024) {
 528         msg->data[msg->used-3]='\0';
 529         msg->used -= 3;
 530
 531         xbt_strbuff_append(msg," ...(list truncated)......");// That will be shortened by 3 chars when existing the loop
 532         break;
 533       }
 534     }
 535     msg->data[msg->used-3]='\0';
 536     xbt_die("%s", msg->data);
 537   }
 538   simgrid::simix::ActorCodeFactory& factory = SIMIX_get_actor_code_factory(process->function);
 539   xbt_assert(factory, "Function '%s' unknown", process->function);
 540
 541   double start_time = process->start_time;
 542   double kill_time  = process->kill_time;
 543   int auto_restart = process->on_failure == SURF_PROCESS_ON_FAILURE_DIE ? 0 : 1;
 544
 545   std::vector<std::string> args(process->argv, process->argv + process->argc);
 546   std::function<void()> code = factory(std::move(args));
 547
 548   smx_process_arg_t arg = nullptr;
 549   smx_actor_t process_created = nullptr;
 550
 551   arg = new simgrid::simix::ProcessArg();
 552   arg->name = std::string(process->argv[0]);
 553   arg->code = code;
 554   arg->data = nullptr;
 555   arg->host = host;
 556   arg->kill_time = kill_time;
 557   arg->properties = current_property_set;
 558
 559   sg_host_simix(host)->boot_processes.push_back(arg);
 560
 561   if (start_time > SIMIX_get_clock()) {
 562
 563     arg = new simgrid::simix::ProcessArg();
 564     arg->name = std::string(process->argv[0]);
 565     arg->code = std::move(code);
 566     arg->data = nullptr;
 567     arg->host = host;
 568     arg->kill_time = kill_time;
 569     arg->properties = current_property_set;
 570
 571     XBT_DEBUG("Process %s@%s will be started at time %f",
 572       arg->name.c_str(), arg->host->name().c_str(), start_time);
 573     SIMIX_timer_set(start_time, [=]() {
 574       simix_global->create_process_function(
 575                                             arg->name.c_str(),
 576                                             std::move(arg->code),
 577                                             arg->data,
 578                                             arg->host,
 579                                             arg->kill_time,
 580                                             arg->properties,
 581                                             arg->auto_restart,
 582                                             nullptr);
 583       delete arg;
 584     });
 585   } else {                      // start_time <= SIMIX_get_clock()
 586     XBT_DEBUG("Starting Process %s(%s) right now",
 587       arg->name.c_str(), sg_host_get_name(host));
 588
 589     process_created = simix_global->create_process_function(
 590         arg->name.c_str(), std::move(code), nullptr,
 591         host, kill_time,
 592         current_property_set, auto_restart, nullptr);
 593
 594     /* verify if process has been created (won't be the case if the host is currently dead, but that's fine) */
 595     if (!process_created) {
 596       return;
 597     }
 598   }
 599   current_property_set = nullptr;
 600 }
 601
 602 void sg_platf_new_peer(sg_platf_peer_cbarg_t peer)
 603 {
 604   using simgrid::kernel::routing::NetCard;
 605   using simgrid::kernel::routing::AsCluster;
 606
 607   char *host_id = bprintf("peer_%s", peer->id);
 608   char *router_id = bprintf("router_%s", peer->id);
 609
 610   XBT_DEBUG(" ");
 611
 612   XBT_DEBUG("<AS id=\"%s\"\trouting=\"Cluster\">", peer->id);
 613   s_sg_platf_AS_cbarg_t AS;
 614   AS.id      = peer->id;
 615   AS.routing = A_surfxml_AS_routing_Cluster;
 616   sg_platf_new_AS_begin(&AS);
 617
 618   XBT_DEBUG("<host\tid=\"%s\"\tpower=\"%f\"/>", host_id, peer->speed);
 619   s_sg_platf_host_cbarg_t host;
 620   memset(&host, 0, sizeof(host));
 621   host.id = host_id;
 622
 623   host.speed_per_pstate.push_back(peer->speed);
 624   host.pstate = 0;
 625   host.speed_trace = peer->availability_trace;
 626   host.state_trace = peer->state_trace;
 627   host.core_amount = 1;
 628   sg_platf_new_host(&host);
 629
 630   s_sg_platf_link_cbarg_t link;
 631   memset(&link, 0, sizeof(link));
 632   link.policy  = SURF_LINK_SHARED;
 633   link.latency = peer->lat;
 634
 635   char* link_up = bprintf("link_%s_UP",peer->id);
 636   XBT_DEBUG("<link\tid=\"%s\"\tbw=\"%f\"\tlat=\"%f\"/>", link_up, peer->bw_out, peer->lat);
 637   link.id = link_up;
 638   link.bandwidth = peer->bw_out;
 639   sg_platf_new_link(&link);
 640
 641   char* link_down = bprintf("link_%s_DOWN",peer->id);
 642   XBT_DEBUG("<link\tid=\"%s\"\tbw=\"%f\"\tlat=\"%f\"/>", link_down, peer->bw_in, peer->lat);
 643   link.id = link_down;
 644   link.bandwidth = peer->bw_in;
 645   sg_platf_new_link(&link);
 646
 647   XBT_DEBUG("<host_link\tid=\"%s\"\tup=\"%s\"\tdown=\"%s\" />", host_id,link_up,link_down);
 648   s_sg_platf_host_link_cbarg_t host_link;
 649   memset(&host_link, 0, sizeof(host_link));
 650   host_link.id        = host_id;
 651   host_link.link_up   = link_up;
 652   host_link.link_down = link_down;
 653   sg_platf_new_hostlink(&host_link);
 654   free(link_up);
 655   free(link_down);
 656
 657   XBT_DEBUG("<router id=\"%s\"/>", router_id);
 658   s_sg_platf_router_cbarg_t router;
 659   memset(&router, 0, sizeof(router));
 660   router.id = router_id;
 661   router.coord = peer->coord;
 662   sg_platf_new_router(&router);
 663
 664   XBT_DEBUG("</AS>");
 665   sg_platf_new_AS_seal();
 666   XBT_DEBUG(" ");
 667
 668   free(router_id);
 669   free(host_id);
 670 }
 671
 672 void sg_platf_begin() { /* Do nothing: just for symmetry of user code */ }
 673
 674 void sg_platf_end() {
 675   simgrid::surf::on_postparse();
 676 }
 677
 678 /* Pick the right models for CPU, net and host, and call their model_init_preparse */
 679 static void surf_config_models_setup()
 680 {
 681   const char* host_model_name    = xbt_cfg_get_string("host/model");
 682   const char* vm_model_name      = xbt_cfg_get_string("vm/model");
 683   const char* network_model_name = xbt_cfg_get_string("network/model");
 684   const char* cpu_model_name     = xbt_cfg_get_string("cpu/model");
 685   const char* storage_model_name = xbt_cfg_get_string("storage/model");
 686
 687   /* The compound host model is needed when using non-default net/cpu models */
 688   if ((!xbt_cfg_is_default_value("network/model") || !xbt_cfg_is_default_value("cpu/model")) &&
 689       xbt_cfg_is_default_value("host/model")) {
 690     host_model_name = "compound";
 691     xbt_cfg_set_string("host/model", host_model_name);
 692   }
 693
 694   XBT_DEBUG("host model: %s", host_model_name);
 695   if (!strcmp(host_model_name, "compound")) {
 696     xbt_assert(cpu_model_name, "Set a cpu model to use with the 'compound' host model");
 697     xbt_assert(network_model_name, "Set a network model to use with the 'compound' host model");
 698
 699     int cpu_id = find_model_description(surf_cpu_model_description, cpu_model_name);
 700     surf_cpu_model_description[cpu_id].model_init_preparse();
 701
 702     int network_id = find_model_description(surf_network_model_description, network_model_name);
 703     surf_network_model_description[network_id].model_init_preparse();
 704   }
 705
 706   XBT_DEBUG("Call host_model_init");
 707   int host_id = find_model_description(surf_host_model_description, host_model_name);
 708   surf_host_model_description[host_id].model_init_preparse();
 709
 710   XBT_DEBUG("Call vm_model_init");
 711   int vm_id = find_model_description(surf_vm_model_description, vm_model_name);
 712   surf_vm_model_description[vm_id].model_init_preparse();
 713
 714   XBT_DEBUG("Call storage_model_init");
 715   int storage_id = find_model_description(surf_storage_model_description, storage_model_name);
 716   surf_storage_model_description[storage_id].model_init_preparse();
 717 }
 718
 719 /**
 720  * \brief Add an AS to the platform
 721  *
 722  * Add a new autonomous system to the platform. Any elements (such as host,
 723  * router or sub-AS) added after this call and before the corresponding call
 724  * to sg_platf_new_AS_seal() will be added to this AS.
 725  *
 726  * Once this function was called, the configuration concerning the used
 727  * models cannot be changed anymore.
 728  *
 729  * @param AS the parameters defining the AS to build.
 730  */
 731 simgrid::s4u::As * sg_platf_new_AS_begin(sg_platf_AS_cbarg_t AS)
 732 {
 733   if (!surf_parse_models_setup_already_called) {
 734     /* Initialize the surf models. That must be done after we got all config, and before we need the models.
 735      * That is, after the last <config> tag, if any, and before the first of cluster|peer|AS|trace|trace_connect
 736      *
 737      * I'm not sure for <trace> and <trace_connect>, there may be a bug here
 738      * (FIXME: check it out by creating a file beginning with one of these tags)
 739      * but cluster and peer create ASes internally, so putting the code in there is ok.
 740      */
 741     surf_parse_models_setup_already_called = 1;
 742     surf_config_models_setup();
 743   }
 744
 745   _sg_cfg_init_status = 2; /* HACK: direct access to the global controlling the level of configuration to prevent
 746                             * any further config now that we created some real content */
 747
 748
 749   /* search the routing model */
 750   simgrid::kernel::routing::AsImpl *new_as = nullptr;
 751   switch(AS->routing){
 752     case A_surfxml_AS_routing_Cluster:
 753       new_as = new simgrid::kernel::routing::AsCluster(current_routing, AS->id);
 754       break;
 755     case A_surfxml_AS_routing_ClusterDragonfly:
 756       new_as = new simgrid::kernel::routing::AsClusterDragonfly(current_routing, AS->id);
 757       break;
 758     case A_surfxml_AS_routing_ClusterTorus:
 759       new_as = new simgrid::kernel::routing::AsClusterTorus(current_routing, AS->id);
 760       break;
 761     case A_surfxml_AS_routing_ClusterFatTree:
 762       new_as = new simgrid::kernel::routing::AsClusterFatTree(current_routing, AS->id);
 763       break;
 764     case A_surfxml_AS_routing_Dijkstra:
 765       new_as = new simgrid::kernel::routing::AsDijkstra(current_routing, AS->id, 0);
 766       break;
 767     case A_surfxml_AS_routing_DijkstraCache:
 768       new_as = new simgrid::kernel::routing::AsDijkstra(current_routing, AS->id, 1);
 769       break;
 770     case A_surfxml_AS_routing_Floyd:
 771       new_as = new simgrid::kernel::routing::AsFloyd(current_routing, AS->id);
 772       break;
 773     case A_surfxml_AS_routing_Full:
 774       new_as = new simgrid::kernel::routing::AsFull(current_routing, AS->id);
 775       break;
 776     case A_surfxml_AS_routing_None:
 777       new_as = new simgrid::kernel::routing::AsNone(current_routing, AS->id);
 778       break;
 779     case A_surfxml_AS_routing_Vivaldi:
 780       new_as = new simgrid::kernel::routing::AsVivaldi(current_routing, AS->id);
 781       break;
 782     default:
 783       xbt_die("Not a valid model!");
 784       break;
 785   }
 786
 787
 788   if (current_routing == nullptr && routing_platf->root_ == nullptr) { /* it is the first one */
 789     routing_platf->root_ = new_as;
 790
 791   } else if (current_routing != nullptr && routing_platf->root_ != nullptr) {
 792     /* set the father behavior */
 793     if (current_routing->hierarchy_ == simgrid::kernel::routing::AsImpl::RoutingMode::unset)
 794       current_routing->hierarchy_ = simgrid::kernel::routing::AsImpl::RoutingMode::recursive;
 795     /* add to the sons dictionary */
 796     xbt_dict_set(current_routing->children(), AS->id, (void *) new_as, nullptr);
 797
 798   } else {
 799     THROWF(arg_error, 0, "All defined components must belong to a AS");
 800   }
 801
 802   /* set the new current component of the tree */
 803   current_routing = new_as;
 804
 805   simgrid::kernel::routing::asCreatedCallbacks(new_as);
 806   if (TRACE_is_enabled())
 807     sg_instr_AS_begin(AS);
 808
 809   return new_as;
 810 }
 811
 812 /**
 813  * \brief Specify that the description of the current AS is finished
 814  *
 815  * Once you've declared all the content of your AS, you have to seal
 816  * it with this call. Your AS is not usable until you call this function.
 817  */
 818 void sg_platf_new_AS_seal()
 819 {
 820   xbt_assert(current_routing, "Cannot seal the current AS: none under construction");
 821   current_routing->seal();
 822   current_routing = static_cast<simgrid::kernel::routing::AsImpl*>(current_routing->father());
 823
 824   if (TRACE_is_enabled())
 825     sg_instr_AS_end();
 826 }
 827
 828 /** @brief Add a link connecting an host to the rest of its AS (which must be cluster or vivaldi) */
 829 void sg_platf_new_hostlink(sg_platf_host_link_cbarg_t hostlink)
 830 {
 831   simgrid::kernel::routing::NetCard *netcard = sg_host_by_name(hostlink->id)->pimpl_netcard;
 832   xbt_assert(netcard, "Host '%s' not found!", hostlink->id);
 833   xbt_assert(dynamic_cast<simgrid::kernel::routing::AsCluster*>(current_routing),
 834       "Only hosts from Cluster and Vivaldi ASes can get an host_link.");
 835
 836   s_surf_parsing_link_up_down_t link_up_down;
 837   link_up_down.linkUp = Link::byName(hostlink->link_up);
 838   link_up_down.linkDown = Link::byName(hostlink->link_down);
 839
 840   xbt_assert(link_up_down.linkUp, "Link '%s' not found!",hostlink->link_up);
 841   xbt_assert(link_up_down.linkDown, "Link '%s' not found!",hostlink->link_down);
 842
 843   auto as_cluster = static_cast<simgrid::kernel::routing::AsCluster*>(current_routing);
 844
 845   if (as_cluster->privateLinks_.find(netcard->id()) != as_cluster->privateLinks_.end())
 846     surf_parse_error("Host_link for '%s' is already defined!",hostlink->id);
 847
 848   XBT_DEBUG("Push Host_link for host '%s' to position %d", netcard->name(), netcard->id());
 849   as_cluster->privateLinks_.insert({netcard->id(), link_up_down});
 850 }