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 /* Turn something like "1-4,6,9-11" into the vector {1,2,3,4,6,9,10,11} */
  52 static std::vector<int> *explodesRadical(const char*radicals){
  53   std::vector<int> *exploded = new std::vector<int>();
  54   char *groups;
  55   unsigned int iter;
  56
  57   //Make all hosts
  58   xbt_dynar_t radical_elements = xbt_str_split(radicals, ",");
  59   xbt_dynar_foreach(radical_elements, iter, groups) {
  60
  61     xbt_dynar_t radical_ends = xbt_str_split(groups, "-");
  62     int start = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 0, char *));
  63     int end=0;
  64
  65     switch (xbt_dynar_length(radical_ends)) {
  66     case 1:
  67       end = start;
  68       break;
  69     case 2:
  70       end = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 1, char *));
  71       break;
  72     default:
  73       surf_parse_error("Malformed radical: %s", groups);
  74       break;
  75     }
  76
  77     for (int i = start; i <= end; i++)
  78       exploded->push_back( i );
  79
  80     xbt_dynar_free(&radical_ends);
  81   }
  82   xbt_dynar_free(&radical_elements);
  83
  84   return exploded;
  85 }
  86
  87
  88 /** The current AS in the parsing */
  89 static simgrid::surf::AsImpl *current_routing = NULL;
  90 static simgrid::surf::AsImpl* routing_get_current()
  91 {
  92   return current_routing;
  93 }
  94
  95 /** Module management function: creates all internal data structures */
  96 void sg_platf_init(void) {
  97 }
  98
  99 /** Module management function: frees all internal data structures */
 100 void sg_platf_exit(void) {
 101   simgrid::surf::on_link.disconnect_all_slots();
 102   simgrid::surf::on_cluster.disconnect_all_slots();
 103   simgrid::surf::on_postparse.disconnect_all_slots();
 104
 105   /* make sure that we will reinit the models while loading the platf once reinited */
 106   surf_parse_models_setup_already_called = 0;
 107   surf_parse_lex_destroy();
 108 }
 109
 110 /** @brief Add an "host" to the current AS */
 111 void sg_platf_new_host(sg_platf_host_cbarg_t host)
 112 {
 113   xbt_assert(! sg_host_by_name(host->id), "Refusing to create a second host named '%s'.", host->id);
 114
 115   simgrid::surf::AsImpl* current_routing = routing_get_current();
 116   if (current_routing->hierarchy_ == simgrid::surf::AsImpl::RoutingMode::unset)
 117     current_routing->hierarchy_ = simgrid::surf::AsImpl::RoutingMode::base;
 118
 119   simgrid::surf::NetCard *netcard =
 120       new simgrid::surf::NetCardImpl(host->id, simgrid::surf::NetCard::Type::Host, current_routing);
 121
 122   sg_host_t h = simgrid::s4u::Host::by_name_or_create(host->id);
 123   h->pimpl_netcard = netcard;
 124
 125   if(mount_list){
 126     xbt_lib_set(storage_lib, host->id, ROUTING_STORAGE_HOST_LEVEL, (void *) mount_list);
 127     mount_list = NULL;
 128   }
 129
 130   if (host->coord && strcmp(host->coord, "")) {
 131     unsigned int cursor;
 132     char*str;
 133
 134     xbt_assert(COORD_HOST_LEVEL, "To use host coordinates, please add --cfg=network/coordinates:yes to your command line");
 135     /* Pre-parse the host coordinates -- FIXME factorize with routers by overloading the routing->parse_PU function*/
 136     xbt_dynar_t ctn_str = xbt_str_split_str(host->coord, " ");
 137     xbt_assert(xbt_dynar_length(ctn_str)==3,"Coordinates of %s must have 3 dimensions", host->id);
 138
 139     xbt_dynar_t ctn = xbt_dynar_new(sizeof(double),NULL);
 140     xbt_dynar_foreach(ctn_str,cursor, str) {
 141       double val = xbt_str_parse_double(str, "Invalid coordinate: %s");
 142       xbt_dynar_push(ctn,&val);
 143     }
 144     xbt_dynar_free(&ctn_str);
 145     xbt_dynar_shrink(ctn, 0);
 146     h->extension_set(COORD_HOST_LEVEL, (void *) ctn);
 147   }
 148
 149   simgrid::surf::Cpu *cpu = surf_cpu_model_pm->createCpu( h, host->speed_per_pstate, host->core_amount);
 150   if (host->state_trace)
 151     cpu->setStateTrace(host->state_trace);
 152   if (host->speed_trace)
 153     cpu->setSpeedTrace(host->speed_trace);
 154   surf_host_model->createHost(host->id, netcard, cpu)->attach(h);
 155
 156   if (host->properties) {
 157     xbt_dict_cursor_t cursor=NULL;
 158     char *key,*data;
 159     xbt_dict_foreach(host->properties,cursor,key,data)
 160       h->setProperty(key,data);
 161     xbt_dict_free(&host->properties);
 162   }
 163
 164   if (host->pstate != 0)
 165     cpu->setPState(host->pstate);
 166
 167   simgrid::s4u::Host::onCreation(*h);
 168
 169   if (TRACE_is_enabled() && TRACE_needs_platform())
 170     sg_instr_new_host(host);
 171 }
 172
 173 /** @brief Add a "router" to the network element list */
 174 void sg_platf_new_router(sg_platf_router_cbarg_t router)
 175 {
 176   simgrid::surf::AsImpl* current_routing = routing_get_current();
 177
 178   if (current_routing->hierarchy_ == simgrid::surf::AsImpl::RoutingMode::unset)
 179     current_routing->hierarchy_ = simgrid::surf::AsImpl::RoutingMode::base;
 180   xbt_assert(nullptr == xbt_lib_get_or_null(as_router_lib, router->id, ROUTING_ASR_LEVEL),
 181              "Refusing to create a router named '%s': this name already describes a node.", router->id);
 182
 183   simgrid::surf::NetCard *netcard =
 184     new simgrid::surf::NetCardImpl(router->id, simgrid::surf::NetCard::Type::Router, current_routing);
 185   xbt_lib_set(as_router_lib, router->id, ROUTING_ASR_LEVEL, (void *) netcard);
 186   XBT_DEBUG("Having set name '%s' id '%d'", router->id, netcard->id());
 187
 188   if (router->coord && strcmp(router->coord, "")) {
 189     unsigned int cursor;
 190     char*str;
 191
 192     xbt_assert(COORD_ASR_LEVEL, "To use host coordinates, please add --cfg=network/coordinates:yes to your command line");
 193     /* Pre-parse the host coordinates */
 194     xbt_dynar_t ctn_str = xbt_str_split_str(router->coord, " ");
 195     xbt_assert(xbt_dynar_length(ctn_str)==3,"Coordinates of %s must have 3 dimensions", router->id);
 196     xbt_dynar_t ctn = xbt_dynar_new(sizeof(double),NULL);
 197     xbt_dynar_foreach(ctn_str,cursor, str) {
 198       double val = xbt_str_parse_double(str, "Invalid coordinate: %s");
 199       xbt_dynar_push(ctn,&val);
 200     }
 201     xbt_dynar_free(&ctn_str);
 202     xbt_dynar_shrink(ctn, 0);
 203     xbt_lib_set(as_router_lib, router->id, COORD_ASR_LEVEL, (void *) ctn);
 204   }
 205
 206   if (TRACE_is_enabled() && TRACE_needs_platform())
 207     sg_instr_new_router(router);
 208 }
 209
 210 void sg_platf_new_link(sg_platf_link_cbarg_t link){
 211   std::vector<char*> names;
 212
 213   if (link->policy == SURF_LINK_FULLDUPLEX) {
 214     names.push_back(bprintf("%s_UP", link->id));
 215     names.push_back(bprintf("%s_DOWN", link->id));
 216   } else {
 217     names.push_back(xbt_strdup(link->id));
 218   }
 219   for (auto link_name : names) {
 220     Link *l = surf_network_model->createLink(link_name, link->bandwidth, link->latency, link->policy, link->properties);
 221
 222     if (link->latency_trace)
 223       l->setLatencyTrace(link->latency_trace);
 224     if (link->bandwidth_trace)
 225       l->setBandwidthTrace(link->bandwidth_trace);
 226     if (link->state_trace)
 227       l->setStateTrace(link->state_trace);
 228
 229     xbt_free(link_name);
 230   }
 231
 232   simgrid::surf::on_link(link);
 233 }
 234
 235 void sg_platf_new_cluster(sg_platf_cluster_cbarg_t cluster)
 236 {
 237   using simgrid::surf::AsCluster;
 238   using simgrid::surf::AsClusterTorus;
 239   using simgrid::surf::AsClusterFatTree;
 240
 241   int rankId=0;
 242
 243   s_sg_platf_link_cbarg_t link;
 244
 245   // What an inventive way of initializing the AS that I have as ancestor :-(
 246   s_sg_platf_AS_cbarg_t AS;
 247   AS.id = cluster->id;
 248   switch (cluster->topology) {
 249   case SURF_CLUSTER_TORUS:
 250     AS.routing = A_surfxml_AS_routing_ClusterTorus;
 251     break;
 252   case SURF_CLUSTER_FAT_TREE:
 253     AS.routing = A_surfxml_AS_routing_ClusterFatTree;
 254     break;
 255   default:
 256     AS.routing = A_surfxml_AS_routing_Cluster;
 257     break;
 258   }
 259   sg_platf_new_AS_begin(&AS);
 260   simgrid::surf::AsCluster *current_as = static_cast<AsCluster*>(routing_get_current());
 261   current_as->parse_specific_arguments(cluster);
 262
 263   if(cluster->loopback_bw!=0 || cluster->loopback_lat!=0){
 264     current_as->nb_links_per_node_++;
 265     current_as->has_loopback_ = 1;
 266   }
 267
 268   if(cluster->limiter_link!=0){
 269     current_as->nb_links_per_node_++;
 270     current_as->has_limiter_ = 1;
 271   }
 272
 273   std::vector<int> *radicals = explodesRadical(cluster->radical);
 274   for (int i : *radicals) {
 275     char * host_id = bprintf("%s%d%s", cluster->prefix, i, cluster->suffix);
 276     char * link_id = bprintf("%s_link_%d", cluster->id, i);
 277
 278     XBT_DEBUG("<host\tid=\"%s\"\tpower=\"%f\">", host_id, cluster->speed);
 279
 280     s_sg_platf_host_cbarg_t host;
 281     memset(&host, 0, sizeof(host));
 282     host.id = host_id;
 283     if ((cluster->properties != NULL) && (!xbt_dict_is_empty(cluster->properties))) {
 284       xbt_dict_cursor_t cursor=NULL;
 285       char *key,*data;
 286       host.properties = xbt_dict_new();
 287
 288       xbt_dict_foreach(cluster->properties,cursor,key,data) {
 289         xbt_dict_set(host.properties, key, xbt_strdup(data),free);
 290       }
 291     }
 292
 293     host.speed_per_pstate = xbt_dynar_new(sizeof(double), NULL);
 294     xbt_dynar_push(host.speed_per_pstate,&cluster->speed);
 295     host.pstate = 0;
 296     host.core_amount = cluster->core_amount;
 297     host.coord = "";
 298     sg_platf_new_host(&host);
 299     xbt_dynar_free(&host.speed_per_pstate);
 300     XBT_DEBUG("</host>");
 301
 302     XBT_DEBUG("<link\tid=\"%s\"\tbw=\"%f\"\tlat=\"%f\"/>", link_id, cluster->bw, cluster->lat);
 303
 304     s_surf_parsing_link_up_down_t info_lim, info_loop;
 305     // All links are saved in a matrix;
 306     // every row describes a single node; every node
 307     // may have multiple links.
 308     // the first column may store a link from x to x if p_has_loopback is set
 309     // the second column may store a limiter link if p_has_limiter is set
 310     // other columns are to store one or more link for the node
 311
 312     //add a loopback link
 313     if(cluster->loopback_bw!=0 || cluster->loopback_lat!=0){
 314       char *tmp_link = bprintf("%s_loopback", link_id);
 315       XBT_DEBUG("<loopback\tid=\"%s\"\tbw=\"%f\"/>", tmp_link, cluster->limiter_link);
 316
 317       memset(&link, 0, sizeof(link));
 318       link.id        = tmp_link;
 319       link.bandwidth = cluster->loopback_bw;
 320       link.latency   = cluster->loopback_lat;
 321       link.policy    = SURF_LINK_FATPIPE;
 322       sg_platf_new_link(&link);
 323       info_loop.link_up = info_loop.link_down = Link::byName(tmp_link);
 324       free(tmp_link);
 325       auto as_cluster = static_cast<AsCluster*>(current_as);
 326       xbt_dynar_set(as_cluster->privateLinks_, rankId*as_cluster->nb_links_per_node_, &info_loop);
 327     }
 328
 329     //add a limiter link (shared link to account for maximal bandwidth of the node)
 330     if(cluster->limiter_link!=0){
 331       char *tmp_link = bprintf("%s_limiter", link_id);
 332       XBT_DEBUG("<limiter\tid=\"%s\"\tbw=\"%f\"/>", tmp_link, cluster->limiter_link);
 333
 334       memset(&link, 0, sizeof(link));
 335       link.id = tmp_link;
 336       link.bandwidth = cluster->limiter_link;
 337       link.latency = 0;
 338       link.policy = SURF_LINK_SHARED;
 339       sg_platf_new_link(&link);
 340       info_lim.link_up = info_lim.link_down = Link::byName(tmp_link);
 341       free(tmp_link);
 342       xbt_dynar_set(current_as->privateLinks_, rankId * current_as->nb_links_per_node_ + current_as->has_loopback_ , &info_lim);
 343     }
 344
 345     //call the cluster function that adds the others links
 346     if (cluster->topology == SURF_CLUSTER_FAT_TREE) {
 347       ((AsClusterFatTree*) current_as)->addProcessingNode(i);
 348     }
 349     else {
 350       current_as->create_links_for_node(cluster, i, rankId,
 351           rankId*current_as->nb_links_per_node_ + current_as->has_loopback_ + current_as->has_limiter_ );
 352     }
 353     xbt_free(link_id);
 354     xbt_free(host_id);
 355     rankId++;
 356   }
 357   delete radicals;
 358
 359   // Add a router. It is magically used thanks to the way in which surf_routing_cluster is written,
 360   // and it's very useful to connect clusters together
 361   XBT_DEBUG(" ");
 362   XBT_DEBUG("<router id=\"%s\"/>", cluster->router_id);
 363   char *newid = NULL;
 364   s_sg_platf_router_cbarg_t router;
 365   memset(&router, 0, sizeof(router));
 366   router.id = cluster->router_id;
 367   if (!router.id || !strcmp(router.id, ""))
 368     router.id = newid = bprintf("%s%s_router%s", cluster->prefix, cluster->id, cluster->suffix);
 369   sg_platf_new_router(&router);
 370   current_as->router_ = (simgrid::surf::NetCard*) xbt_lib_get_or_null(as_router_lib, router.id, ROUTING_ASR_LEVEL);
 371   free(newid);
 372
 373   //Make the backbone
 374   if ((cluster->bb_bw != 0) || (cluster->bb_lat != 0)) {
 375
 376     memset(&link, 0, sizeof(link));
 377     link.id        = bprintf("%s_backbone", cluster->id);
 378     link.bandwidth = cluster->bb_bw;
 379     link.latency   = cluster->bb_lat;
 380     link.policy    = cluster->bb_sharing_policy;
 381
 382     XBT_DEBUG("<link\tid=\"%s\" bw=\"%f\" lat=\"%f\"/>", link.id, cluster->bb_bw, cluster->bb_lat);
 383     sg_platf_new_link(&link);
 384
 385     routing_cluster_add_backbone(Link::byName(link.id));
 386     free((char*)link.id);
 387   }
 388
 389   XBT_DEBUG("</AS>");
 390   sg_platf_new_AS_seal();
 391
 392   simgrid::surf::on_cluster(cluster);
 393 }
 394 void routing_cluster_add_backbone(simgrid::surf::Link* bb) {
 395   simgrid::surf::AsCluster *cluster = dynamic_cast<simgrid::surf::AsCluster*>(current_routing);
 396
 397   xbt_assert(cluster, "Only hosts from Cluster can get a backbone.");
 398   xbt_assert(nullptr == cluster->backbone_, "Cluster %s already has a backbone link!", cluster->name());
 399
 400   cluster->backbone_ = bb;
 401   XBT_DEBUG("Add a backbone to AS '%s'", current_routing->name());
 402 }
 403
 404 void sg_platf_new_cabinet(sg_platf_cabinet_cbarg_t cabinet)
 405 {
 406   std::vector<int> *radicals = explodesRadical(cabinet->radical);
 407
 408   for (int radical : *radicals) {
 409     char *hostname = bprintf("%s%d%s", cabinet->prefix, radical, cabinet->suffix);
 410     s_sg_platf_host_cbarg_t host;
 411     memset(&host, 0, sizeof(host));
 412     host.pstate           = 0;
 413     host.core_amount      = 1;
 414     host.id               = hostname;
 415     host.speed_per_pstate = xbt_dynar_new(sizeof(double), NULL);
 416     xbt_dynar_push(host.speed_per_pstate,&cabinet->speed);
 417     sg_platf_new_host(&host);
 418     xbt_dynar_free(&host.speed_per_pstate);
 419
 420     s_sg_platf_link_cbarg_t link;
 421     memset(&link, 0, sizeof(link));
 422     link.policy    = SURF_LINK_FULLDUPLEX;
 423     link.latency   = cabinet->lat;
 424     link.bandwidth = cabinet->bw;
 425     link.id        = bprintf("link_%s",hostname);
 426     sg_platf_new_link(&link);
 427     free((char*)link.id);
 428
 429     s_sg_platf_host_link_cbarg_t host_link;
 430     memset(&host_link, 0, sizeof(host_link));
 431     host_link.id        = hostname;
 432     host_link.link_up   = bprintf("link_%s_UP",hostname);
 433     host_link.link_down = bprintf("link_%s_DOWN",hostname);
 434     sg_platf_new_hostlink(&host_link);
 435     free((char*)host_link.link_up);
 436     free((char*)host_link.link_down);
 437
 438     free(hostname);
 439   }
 440   delete(radicals);
 441 }
 442
 443 void sg_platf_new_storage(sg_platf_storage_cbarg_t storage)
 444 {
 445   xbt_assert(!xbt_lib_get_or_null(storage_lib, storage->id,ROUTING_STORAGE_LEVEL),
 446                "Refusing to add a second storage named \"%s\"", storage->id);
 447
 448   void* stype = xbt_lib_get_or_null(storage_type_lib, storage->type_id,ROUTING_STORAGE_TYPE_LEVEL);
 449   xbt_assert(stype,"No storage type '%s'", storage->type_id);
 450
 451   XBT_DEBUG("ROUTING Create a storage name '%s' with type_id '%s' and content '%s'",
 452       storage->id,
 453       storage->type_id,
 454       storage->content);
 455
 456   xbt_lib_set(storage_lib, storage->id, ROUTING_STORAGE_LEVEL, (void *) xbt_strdup(storage->type_id));
 457
 458   // if storage content is not specified use the content of storage_type if any
 459   if(!strcmp(storage->content,"") && strcmp(((storage_type_t) stype)->content,"")){
 460     storage->content = ((storage_type_t) stype)->content;
 461     storage->content_type = ((storage_type_t) stype)->content_type;
 462     XBT_DEBUG("For disk '%s' content is empty, inherit the content (of type %s) from storage type '%s' ",
 463         storage->id,((storage_type_t) stype)->content_type,
 464         ((storage_type_t) stype)->type_id);
 465   }
 466
 467   XBT_DEBUG("SURF storage create resource\n\t\tid '%s'\n\t\ttype '%s' "
 468       "\n\t\tmodel '%s' \n\t\tcontent '%s'\n\t\tcontent_type '%s' "
 469       "\n\t\tproperties '%p''\n",
 470       storage->id,
 471       ((storage_type_t) stype)->model,
 472       ((storage_type_t) stype)->type_id,
 473       storage->content,
 474       storage->content_type,
 475     storage->properties);
 476
 477   surf_storage_model->createStorage(storage->id,
 478                                      ((storage_type_t) stype)->type_id,
 479                                      storage->content,
 480                                      storage->content_type,
 481                    storage->properties,
 482                                      storage->attach);
 483 }
 484 void sg_platf_new_storage_type(sg_platf_storage_type_cbarg_t storage_type){
 485
 486   xbt_assert(!xbt_lib_get_or_null(storage_type_lib, storage_type->id,ROUTING_STORAGE_TYPE_LEVEL),
 487                "Reading a storage type, processing unit \"%s\" already exists", storage_type->id);
 488
 489   storage_type_t stype = xbt_new0(s_storage_type_t, 1);
 490   stype->model = xbt_strdup(storage_type->model);
 491   stype->properties = storage_type->properties;
 492   stype->content = xbt_strdup(storage_type->content);
 493   stype->content_type = xbt_strdup(storage_type->content_type);
 494   stype->type_id = xbt_strdup(storage_type->id);
 495   stype->size = storage_type->size;
 496   stype->model_properties = storage_type->model_properties;
 497
 498   XBT_DEBUG("ROUTING Create a storage type id '%s' with model '%s', "
 499       "content '%s', and content_type '%s'",
 500       stype->type_id,
 501       stype->model,
 502       storage_type->content,
 503       storage_type->content_type);
 504
 505   xbt_lib_set(storage_type_lib,
 506       stype->type_id,
 507       ROUTING_STORAGE_TYPE_LEVEL,
 508       (void *) stype);
 509 }
 510
 511 static void mount_free(void *p)
 512 {
 513   mount_t mnt = (mount_t) p;
 514   xbt_free(mnt->name);
 515 }
 516
 517 void sg_platf_new_mount(sg_platf_mount_cbarg_t mount){
 518   xbt_assert(xbt_lib_get_or_null(storage_lib, mount->storageId, ROUTING_STORAGE_LEVEL),
 519       "Cannot mount non-existent disk \"%s\"", mount->storageId);
 520
 521   XBT_DEBUG("ROUTING Mount '%s' on '%s'",mount->storageId, mount->name);
 522
 523   s_mount_t mnt;
 524   mnt.storage = surf_storage_resource_priv(surf_storage_resource_by_name(mount->storageId));
 525   mnt.name = xbt_strdup(mount->name);
 526
 527   if(!mount_list){
 528     XBT_DEBUG("Create a Mount list for %s",A_surfxml_host_id);
 529     mount_list = xbt_dynar_new(sizeof(s_mount_t), mount_free);
 530   }
 531   xbt_dynar_push(mount_list, &mnt);
 532 }
 533
 534 void sg_platf_new_route(sg_platf_route_cbarg_t route)
 535 {
 536   routing_get_current()->addRoute(route);
 537 }
 538
 539 void sg_platf_new_bypassRoute(sg_platf_route_cbarg_t bypassRoute)
 540 {
 541   routing_get_current()->addBypassRoute(bypassRoute);
 542 }
 543
 544 void sg_platf_new_process(sg_platf_process_cbarg_t process)
 545 {
 546   sg_host_t host = sg_host_by_name(process->host);
 547   if (!host) {
 548     // The requested host does not exist. Do a nice message to the user
 549     char *tmp = bprintf("Cannot create process '%s': host '%s' does not exist\nExisting hosts: '",process->function, process->host);
 550     xbt_strbuff_t msg = xbt_strbuff_new_from(tmp);
 551     free(tmp);
 552     xbt_dynar_t all_hosts = xbt_dynar_sort_strings(sg_hosts_as_dynar());
 553     simgrid::s4u::Host* host;
 554     unsigned int cursor;
 555     xbt_dynar_foreach(all_hosts,cursor, host) {
 556       xbt_strbuff_append(msg,host->name().c_str());
 557       xbt_strbuff_append(msg,"', '");
 558       if (msg->used > 1024) {
 559         msg->data[msg->used-3]='\0';
 560         msg->used -= 3;
 561
 562         xbt_strbuff_append(msg," ...(list truncated)......");// That will be shortened by 3 chars when existing the loop
 563       }
 564     }
 565     msg->data[msg->used-3]='\0';
 566     xbt_die("%s", msg->data);
 567   }
 568   xbt_main_func_t parse_code = SIMIX_get_registered_function(process->function);
 569   xbt_assert(parse_code, "Function '%s' unknown", process->function);
 570
 571   double start_time = process->start_time;
 572   double kill_time  = process->kill_time;
 573   int auto_restart = process->on_failure == SURF_PROCESS_ON_FAILURE_DIE ? 0 : 1;
 574
 575   smx_process_arg_t arg = NULL;
 576   smx_process_t process_created = NULL;
 577
 578   arg = new s_smx_process_arg_t();
 579   arg->code = parse_code;
 580   arg->data = NULL;
 581   arg->hostname = sg_host_get_name(host);
 582   arg->argc = process->argc;
 583   arg->argv = xbt_new(char *,process->argc);
 584   int i;
 585   for (i=0; i<process->argc; i++)
 586     arg->argv[i] = xbt_strdup(process->argv[i]);
 587   arg->name = arg->argv[0];
 588   arg->kill_time = kill_time;
 589   arg->properties = current_property_set;
 590   if (!sg_host_simix(host)->boot_processes)
 591     sg_host_simix(host)->boot_processes = xbt_dynar_new(sizeof(smx_process_arg_t), _SIMIX_host_free_process_arg);
 592
 593   xbt_dynar_push_as(sg_host_simix(host)->boot_processes,smx_process_arg_t,arg);
 594
 595   if (start_time > SIMIX_get_clock()) {
 596     arg = new s_smx_process_arg_t();
 597     arg->name = process->argv[0];
 598     arg->code = parse_code;
 599     arg->data = NULL;
 600     arg->hostname = sg_host_get_name(host);
 601     arg->argc = process->argc;
 602     arg->argv = (char**)(process->argv);
 603     arg->kill_time = kill_time;
 604     arg->properties = current_property_set;
 605
 606     XBT_DEBUG("Process %s(%s) will be started at time %f",
 607       arg->name.c_str(), arg->hostname, start_time);
 608     SIMIX_timer_set(start_time, [](void* p) {
 609       smx_process_arg_t arg = static_cast<smx_process_arg_t>(p);
 610       simix_global->create_process_function(
 611                                             arg->name.c_str(),
 612                                             arg->code,
 613                                             arg->data,
 614                                             arg->hostname,
 615                                             arg->kill_time,
 616                                             arg->argc,
 617                                             arg->argv,
 618                                             arg->properties,
 619                                             arg->auto_restart,
 620                                             NULL);
 621       delete arg;
 622     }, arg);
 623   } else {                      // start_time <= SIMIX_get_clock()
 624     XBT_DEBUG("Starting Process %s(%s) right now",
 625       arg->name.c_str(), sg_host_get_name(host));
 626
 627     if (simix_global->create_process_function)
 628       process_created = simix_global->create_process_function(
 629           arg->name.c_str(),
 630                                             parse_code,
 631                                             NULL,
 632                                             sg_host_get_name(host),
 633                                             kill_time,
 634                                             process->argc,
 635                                             (char**)(process->argv),
 636                                             current_property_set,
 637                                             auto_restart, NULL);
 638     else
 639       process_created = simcall_process_create(
 640           arg->name.c_str(), parse_code, NULL, sg_host_get_name(host), kill_time, process->argc,
 641           (char**)process->argv, current_property_set,auto_restart);
 642
 643     /* verify if process has been created (won't be the case if the host is currently dead, but that's fine) */
 644     if (!process_created) {
 645       return;
 646     }
 647   }
 648   current_property_set = NULL;
 649 }
 650
 651 void sg_platf_new_peer(sg_platf_peer_cbarg_t peer)
 652 {
 653   using simgrid::surf::NetCard;
 654   using simgrid::surf::AsCluster;
 655
 656   char *host_id = bprintf("peer_%s", peer->id);
 657   char *router_id = bprintf("router_%s", peer->id);
 658
 659   XBT_DEBUG(" ");
 660
 661   XBT_DEBUG("<AS id=\"%s\"\trouting=\"Cluster\">", peer->id);
 662   s_sg_platf_AS_cbarg_t AS;
 663   AS.id      = peer->id;
 664   AS.routing = A_surfxml_AS_routing_Cluster;
 665   sg_platf_new_AS_begin(&AS);
 666
 667   XBT_DEBUG("<host\tid=\"%s\"\tpower=\"%f\"/>", host_id, peer->speed);
 668   s_sg_platf_host_cbarg_t host;
 669   memset(&host, 0, sizeof(host));
 670   host.id = host_id;
 671
 672   host.speed_per_pstate = xbt_dynar_new(sizeof(double), NULL);
 673   xbt_dynar_push(host.speed_per_pstate,&peer->speed);
 674   host.pstate = 0;
 675   host.speed_trace = peer->availability_trace;
 676   host.state_trace = peer->state_trace;
 677   host.core_amount = 1;
 678   sg_platf_new_host(&host);
 679   xbt_dynar_free(&host.speed_per_pstate);
 680
 681   s_sg_platf_link_cbarg_t link;
 682   memset(&link, 0, sizeof(link));
 683   link.policy  = SURF_LINK_SHARED;
 684   link.latency = peer->lat;
 685
 686   char* link_up = bprintf("link_%s_UP",peer->id);
 687   XBT_DEBUG("<link\tid=\"%s\"\tbw=\"%f\"\tlat=\"%f\"/>", link_up, peer->bw_out, peer->lat);
 688   link.id = link_up;
 689   link.bandwidth = peer->bw_out;
 690   sg_platf_new_link(&link);
 691
 692   char* link_down = bprintf("link_%s_DOWN",peer->id);
 693   XBT_DEBUG("<link\tid=\"%s\"\tbw=\"%f\"\tlat=\"%f\"/>", link_down, peer->bw_in, peer->lat);
 694   link.id = link_down;
 695   link.bandwidth = peer->bw_in;
 696   sg_platf_new_link(&link);
 697
 698   XBT_DEBUG("<host_link\tid=\"%s\"\tup=\"%s\"\tdown=\"%s\" />", host_id,link_up,link_down);
 699   s_sg_platf_host_link_cbarg_t host_link;
 700   memset(&host_link, 0, sizeof(host_link));
 701   host_link.id        = host_id;
 702   host_link.link_up   = link_up;
 703   host_link.link_down = link_down;
 704   sg_platf_new_hostlink(&host_link);
 705   free(link_up);
 706   free(link_down);
 707
 708   XBT_DEBUG("<router id=\"%s\"/>", router_id);
 709   s_sg_platf_router_cbarg_t router;
 710   memset(&router, 0, sizeof(router));
 711   router.id = router_id;
 712   router.coord = peer->coord;
 713   sg_platf_new_router(&router);
 714   static_cast<AsCluster*>(current_routing)->router_ = static_cast<NetCard*>(xbt_lib_get_or_null(as_router_lib, router.id, ROUTING_ASR_LEVEL));
 715
 716   XBT_DEBUG("</AS>");
 717   sg_platf_new_AS_seal();
 718   XBT_DEBUG(" ");
 719
 720   free(router_id);
 721   free(host_id);
 722 }
 723
 724 void sg_platf_begin() { /* Do nothing: just for symmetry of user code */ }
 725
 726 void sg_platf_end() {
 727   simgrid::surf::on_postparse();
 728 }
 729
 730 /* Pick the right models for CPU, net and host, and call their model_init_preparse */
 731 static void surf_config_models_setup()
 732 {
 733   const char *host_model_name;
 734   const char *vm_model_name;
 735   int host_id = -1;
 736   int vm_id = -1;
 737   char *network_model_name = NULL;
 738   char *cpu_model_name = NULL;
 739   int storage_id = -1;
 740   char *storage_model_name = NULL;
 741
 742   host_model_name    = xbt_cfg_get_string("host/model");
 743   vm_model_name      = xbt_cfg_get_string("vm/model");
 744   network_model_name = xbt_cfg_get_string("network/model");
 745   cpu_model_name     = xbt_cfg_get_string("cpu/model");
 746   storage_model_name = xbt_cfg_get_string("storage/model");
 747
 748   /* Check whether we use a net/cpu model differing from the default ones, in which case
 749    * we should switch to the "compound" host model to correctly dispatch stuff to
 750    * the right net/cpu models.
 751    */
 752
 753   if ((!xbt_cfg_is_default_value("network/model") ||
 754        !xbt_cfg_is_default_value("cpu/model")) &&
 755       xbt_cfg_is_default_value("host/model")) {
 756     host_model_name = "compound";
 757     xbt_cfg_set_string("host/model", host_model_name);
 758   }
 759
 760   XBT_DEBUG("host model: %s", host_model_name);
 761   host_id = find_model_description(surf_host_model_description, host_model_name);
 762   if (!strcmp(host_model_name, "compound")) {
 763     int network_id = -1;
 764     int cpu_id = -1;
 765
 766     xbt_assert(cpu_model_name,
 767                 "Set a cpu model to use with the 'compound' host model");
 768
 769     xbt_assert(network_model_name,
 770                 "Set a network model to use with the 'compound' host model");
 771
 772     if(surf_cpu_model_init_preparse){
 773       surf_cpu_model_init_preparse();
 774     } else {
 775       cpu_id =
 776           find_model_description(surf_cpu_model_description, cpu_model_name);
 777       surf_cpu_model_description[cpu_id].model_init_preparse();
 778     }
 779
 780     network_id =
 781         find_model_description(surf_network_model_description,
 782                                network_model_name);
 783     surf_network_model_description[network_id].model_init_preparse();
 784   }
 785
 786   XBT_DEBUG("Call host_model_init");
 787   surf_host_model_description[host_id].model_init_preparse();
 788
 789   XBT_DEBUG("Call vm_model_init");
 790   vm_id = find_model_description(surf_vm_model_description, vm_model_name);
 791   surf_vm_model_description[vm_id].model_init_preparse();
 792
 793   XBT_DEBUG("Call storage_model_init");
 794   storage_id = find_model_description(surf_storage_model_description, storage_model_name);
 795   surf_storage_model_description[storage_id].model_init_preparse();
 796
 797 }
 798
 799 /**
 800  * \brief Make a new routing component to the platform
 801  *
 802  * Add a new autonomous system to the platform. Any elements (such as host,
 803  * router or sub-AS) added after this call and before the corresponding call
 804  * to sg_platf_new_AS_seal() will be added to this AS.
 805  *
 806  * Once this function was called, the configuration concerning the used
 807  * models cannot be changed anymore.
 808  *
 809  * @param AS the parameters defining the AS to build.
 810  */
 811 simgrid::s4u::As * sg_platf_new_AS_begin(sg_platf_AS_cbarg_t AS)
 812 {
 813   if (!surf_parse_models_setup_already_called) {
 814     /* Initialize the surf models. That must be done after we got all config, and before we need the models.
 815      * That is, after the last <config> tag, if any, and before the first of cluster|peer|AS|trace|trace_connect
 816      *
 817      * I'm not sure for <trace> and <trace_connect>, there may be a bug here
 818      * (FIXME: check it out by creating a file beginning with one of these tags)
 819      * but cluster and peer create ASes internally, so putting the code in there is ok.
 820      */
 821     surf_parse_models_setup_already_called = 1;
 822     surf_config_models_setup();
 823   }
 824
 825   xbt_assert(nullptr == xbt_lib_get_or_null(as_router_lib, AS->id, ROUTING_ASR_LEVEL),
 826       "Refusing to create a second AS called \"%s\".", AS->id);
 827
 828   _sg_cfg_init_status = 2; /* HACK: direct access to the global controlling the level of configuration to prevent
 829                             * any further config now that we created some real content */
 830
 831
 832   /* search the routing model */
 833   simgrid::surf::AsImpl *new_as = NULL;
 834   switch(AS->routing){
 835     case A_surfxml_AS_routing_Cluster:        new_as = new simgrid::surf::AsCluster(AS->id);        break;
 836     case A_surfxml_AS_routing_ClusterTorus:   new_as = new simgrid::surf::AsClusterTorus(AS->id);   break;
 837     case A_surfxml_AS_routing_ClusterFatTree: new_as = new simgrid::surf::AsClusterFatTree(AS->id); break;
 838     case A_surfxml_AS_routing_Dijkstra:       new_as = new simgrid::surf::AsDijkstra(AS->id, 0);    break;
 839     case A_surfxml_AS_routing_DijkstraCache:  new_as = new simgrid::surf::AsDijkstra(AS->id, 1);    break;
 840     case A_surfxml_AS_routing_Floyd:          new_as = new simgrid::surf::AsFloyd(AS->id);          break;
 841     case A_surfxml_AS_routing_Full:           new_as = new simgrid::surf::AsFull(AS->id);           break;
 842     case A_surfxml_AS_routing_None:           new_as = new simgrid::surf::AsNone(AS->id);           break;
 843     case A_surfxml_AS_routing_Vivaldi:        new_as = new simgrid::surf::AsVivaldi(AS->id);        break;
 844     default:                                  xbt_die("Not a valid model!");                        break;
 845   }
 846
 847   /* make a new routing component */
 848   simgrid::surf::NetCard *netcard = new simgrid::surf::NetCardImpl(new_as->name(), simgrid::surf::NetCard::Type::As, current_routing);
 849
 850   if (current_routing == NULL && routing_platf->root_ == NULL) { /* it is the first one */
 851     routing_platf->root_ = new_as;
 852   } else if (current_routing != NULL && routing_platf->root_ != NULL) {
 853
 854     xbt_assert(!xbt_dict_get_or_null(current_routing->children(), AS->id),
 855                "The AS \"%s\" already exists", AS->id);
 856     /* it is a part of the tree */
 857     new_as->father_ = current_routing;
 858     /* set the father behavior */
 859     if (current_routing->hierarchy_ == simgrid::surf::AsImpl::RoutingMode::unset)
 860       current_routing->hierarchy_ = simgrid::surf::AsImpl::RoutingMode::recursive;
 861     /* add to the sons dictionary */
 862     xbt_dict_set(current_routing->children(), AS->id, (void *) new_as, NULL);
 863   } else {
 864     THROWF(arg_error, 0, "All defined components must belong to a AS");
 865   }
 866
 867   xbt_lib_set(as_router_lib, netcard->name(), ROUTING_ASR_LEVEL, (void *) netcard);
 868   XBT_DEBUG("Having set name '%s' id '%d'", new_as->name(), netcard->id());
 869
 870   /* set the new current component of the tree */
 871   current_routing = new_as;
 872   current_routing->netcard_ = netcard;
 873
 874   simgrid::surf::asCreatedCallbacks(new_as);
 875   if (TRACE_is_enabled())
 876     sg_instr_AS_begin(AS);
 877
 878   return new_as;
 879 }
 880
 881 /**
 882  * \brief Specify that the description of the current AS is finished
 883  *
 884  * Once you've declared all the content of your AS, you have to seal
 885  * it with this call. Your AS is not usable until you call this function.
 886  */
 887 void sg_platf_new_AS_seal()
 888 {
 889   xbt_assert(current_routing, "Cannot seal the current AS: none under construction");
 890   current_routing->seal();
 891   current_routing = static_cast<simgrid::surf::AsImpl*>(current_routing->father());
 892
 893   if (TRACE_is_enabled())
 894     sg_instr_AS_end();
 895 }
 896
 897 /** @brief Add a link connecting an host to the rest of its AS (which must be cluster or vivaldi) */
 898 void sg_platf_new_hostlink(sg_platf_host_link_cbarg_t hostlink)
 899 {
 900   simgrid::surf::NetCard *netcard = sg_host_by_name(hostlink->id)->pimpl_netcard;
 901   xbt_assert(netcard, "Host '%s' not found!", hostlink->id);
 902   xbt_assert(dynamic_cast<simgrid::surf::AsCluster*>(current_routing),
 903       "Only hosts from Cluster and Vivaldi ASes can get an host_link.");
 904
 905   s_surf_parsing_link_up_down_t link_up_down;
 906   link_up_down.link_up = Link::byName(hostlink->link_up);
 907   link_up_down.link_down = Link::byName(hostlink->link_down);
 908
 909   xbt_assert(link_up_down.link_up, "Link '%s' not found!",hostlink->link_up);
 910   xbt_assert(link_up_down.link_down, "Link '%s' not found!",hostlink->link_down);
 911
 912   // If dynar is is greater than netcard id and if the host_link is already defined
 913   auto as_cluster = static_cast<simgrid::surf::AsCluster*>(current_routing);
 914   if((int)xbt_dynar_length(as_cluster->privateLinks_) > netcard->id() &&
 915       xbt_dynar_get_as(as_cluster->privateLinks_, netcard->id(), void*))
 916   surf_parse_error("Host_link for '%s' is already defined!",hostlink->id);
 917
 918   XBT_DEBUG("Push Host_link for host '%s' to position %d", netcard->name(), netcard->id());
 919   xbt_dynar_set_as(as_cluster->privateLinks_, netcard->id(), s_surf_parsing_link_up_down_t, link_up_down);
 920 }