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 "simgrid/platf_interface.h"
  14 #include "surf/surf_routing.h"
  15 #include "surf/surf.h"
  16
  17 #include "src/simix/smx_private.h"
  18 #include "src/surf/platform.hpp"
  19
  20 #include "cpu_interface.hpp"
  21 #include "host_interface.hpp"
  22
  23 XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(surf_parse);
  24
  25 namespace simgrid {
  26 namespace surf {
  27
  28 simgrid::xbt::signal<void(sg_platf_link_cbarg_t)> on_link;
  29 simgrid::xbt::signal<void(sg_platf_cluster_cbarg_t)> on_cluster;
  30 simgrid::xbt::signal<void(void)> on_postparse;
  31
  32 }
  33 }
  34
  35 static int surf_parse_models_setup_already_called = 0;
  36
  37 /* one RngStream for the platform, to respect some statistic rules */
  38 static RngStream sg_platf_rng_stream = NULL;
  39
  40 /** Module management function: creates all internal data structures */
  41 void sg_platf_init(void) {
  42 }
  43
  44 /** Module management function: frees all internal data structures */
  45 void sg_platf_exit(void) {
  46   simgrid::surf::on_link.disconnect_all_slots();
  47   simgrid::surf::on_cluster.disconnect_all_slots();
  48   simgrid::surf::on_postparse.disconnect_all_slots();
  49
  50   /* make sure that we will reinit the models while loading the platf once reinited */
  51   surf_parse_models_setup_already_called = 0;
  52 }
  53
  54 void sg_platf_new_host(sg_platf_host_cbarg_t host)
  55 {
  56   xbt_assert(! sg_host_by_name(host->id),
  57                      "Refusing to create a second host named '%s'.", host->id);
  58
  59   simgrid::surf::NetCard *net = NULL;
  60   simgrid::surf::As* current_routing = routing_get_current();
  61   if (current_routing)
  62     net = routing_add_host(current_routing, host);
  63
  64   sg_host_t h = simgrid::s4u::Host::by_name_or_create(host->id);
  65   simgrid::surf::Cpu *cpu = surf_cpu_model_pm->createCpu(
  66                 h,
  67         host->speed_peak,
  68         host->pstate,
  69         host->speed_scale,
  70         host->speed_trace,
  71         host->core_amount,
  72         host->initiallyOn,
  73         host->state_trace);
  74   surf_host_model->createHost(host->id, net, cpu, host->properties)->attach(h);
  75   simgrid::s4u::Host::onCreation(*h);
  76
  77   if (TRACE_is_enabled() && TRACE_needs_platform())
  78     sg_instr_new_host(host);
  79 }
  80
  81 /**
  82  * \brief Add a "router" to the network element list
  83  */
  84 void sg_platf_new_router(sg_platf_router_cbarg_t router)
  85 {
  86   simgrid::surf::As* current_routing = routing_get_current();
  87
  88   if (current_routing->p_hierarchy == SURF_ROUTING_NULL)
  89     current_routing->p_hierarchy = SURF_ROUTING_BASE;
  90   xbt_assert(!xbt_lib_get_or_null(as_router_lib, router->id, ROUTING_ASR_LEVEL),
  91              "Reading a router, processing unit \"%s\" already exists",
  92              router->id);
  93
  94   simgrid::surf::NetCard *info = new simgrid::surf::NetCardImpl(
  95     xbt_strdup(router->id), -1, SURF_NETWORK_ELEMENT_ROUTER, current_routing);
  96   info->setId(current_routing->parsePU(info));
  97   xbt_lib_set(as_router_lib, router->id, ROUTING_ASR_LEVEL, (void *) info);
  98   XBT_DEBUG("Having set name '%s' id '%d'", router->id, info->getId());
  99   simgrid::surf::netcardCreatedCallbacks(info);
 100
 101   if (router->coord && strcmp(router->coord, "")) {
 102     unsigned int cursor;
 103     char*str;
 104
 105     if (!COORD_ASR_LEVEL)
 106       xbt_die ("To use host coordinates, please add --cfg=network/coordinates:yes to your command line");
 107     /* Pre-parse the host coordinates */
 108     xbt_dynar_t ctn_str = xbt_str_split_str(router->coord, " ");
 109     xbt_dynar_t ctn = xbt_dynar_new(sizeof(double),NULL);
 110     xbt_dynar_foreach(ctn_str,cursor, str) {
 111       double val = atof(str);
 112       xbt_dynar_push(ctn,&val);
 113     }
 114     xbt_dynar_shrink(ctn, 0);
 115     xbt_dynar_free(&ctn_str);
 116     xbt_lib_set(as_router_lib, router->id, COORD_ASR_LEVEL, (void *) ctn);
 117     XBT_DEBUG("Having set router coordinates for '%s'",router->id);
 118   }
 119
 120   if (TRACE_is_enabled() && TRACE_needs_platform())
 121     sg_instr_new_router(router);
 122 }
 123
 124 void sg_platf_new_link(sg_platf_link_cbarg_t link){
 125   simgrid::surf::on_link(link);
 126 }
 127
 128 void sg_platf_new_cluster(sg_platf_cluster_cbarg_t cluster)
 129 {
 130   routing_new_cluster(cluster);
 131   simgrid::surf::on_cluster(cluster);
 132 }
 133
 134 void sg_platf_new_storage(sg_platf_storage_cbarg_t storage)
 135 {
 136   xbt_assert(!xbt_lib_get_or_null(storage_lib, storage->id,ROUTING_STORAGE_LEVEL),
 137                "Refusing to add a second storage named \"%s\"", storage->id);
 138
 139   void* stype = xbt_lib_get_or_null(storage_type_lib, storage->type_id,ROUTING_STORAGE_TYPE_LEVEL);
 140   xbt_assert(stype,"No storage type '%s'", storage->type_id);
 141
 142   XBT_DEBUG("ROUTING Create a storage name '%s' with type_id '%s' and content '%s'",
 143       storage->id,
 144       storage->type_id,
 145       storage->content);
 146
 147   xbt_lib_set(storage_lib,
 148       storage->id,
 149       ROUTING_STORAGE_LEVEL,
 150       (void *) xbt_strdup(storage->type_id));
 151
 152   // if storage content is not specified use the content of storage_type if any
 153   if(!strcmp(storage->content,"") && strcmp(((storage_type_t) stype)->content,"")){
 154     storage->content = ((storage_type_t) stype)->content;
 155     storage->content_type = ((storage_type_t) stype)->content_type;
 156     XBT_DEBUG("For disk '%s' content is empty, inherit the content (of type %s) from storage type '%s' ",
 157         storage->id,((storage_type_t) stype)->content_type,
 158         ((storage_type_t) stype)->type_id);
 159   }
 160
 161   XBT_DEBUG("SURF storage create resource\n\t\tid '%s'\n\t\ttype '%s' "
 162       "\n\t\tmodel '%s' \n\t\tcontent '%s'\n\t\tcontent_type '%s' "
 163       "\n\t\tproperties '%p''\n",
 164       storage->id,
 165       ((storage_type_t) stype)->model,
 166       ((storage_type_t) stype)->type_id,
 167       storage->content,
 168       storage->content_type,
 169           storage->properties);
 170
 171   surf_storage_model->createStorage(storage->id,
 172                                      ((storage_type_t) stype)->type_id,
 173                                      storage->content,
 174                                      storage->content_type,
 175                                                                          storage->properties,
 176                                      storage->attach);
 177 }
 178 void sg_platf_new_storage_type(sg_platf_storage_type_cbarg_t storage_type){
 179
 180   xbt_assert(!xbt_lib_get_or_null(storage_type_lib, storage_type->id,ROUTING_STORAGE_TYPE_LEVEL),
 181                "Reading a storage type, processing unit \"%s\" already exists", storage_type->id);
 182
 183   storage_type_t stype = xbt_new0(s_storage_type_t, 1);
 184   stype->model = xbt_strdup(storage_type->model);
 185   stype->properties = storage_type->properties;
 186   stype->content = xbt_strdup(storage_type->content);
 187   stype->content_type = xbt_strdup(storage_type->content_type);
 188   stype->type_id = xbt_strdup(storage_type->id);
 189   stype->size = storage_type->size;
 190   stype->model_properties = storage_type->model_properties;
 191
 192   XBT_DEBUG("ROUTING Create a storage type id '%s' with model '%s', "
 193       "content '%s', and content_type '%s'",
 194       stype->type_id,
 195       stype->model,
 196       storage_type->content,
 197       storage_type->content_type);
 198
 199   xbt_lib_set(storage_type_lib,
 200       stype->type_id,
 201       ROUTING_STORAGE_TYPE_LEVEL,
 202       (void *) stype);
 203 }
 204 void sg_platf_new_mstorage(sg_platf_mstorage_cbarg_t mstorage)
 205 {
 206   THROW_UNIMPLEMENTED;
 207 //  mount_t mnt = xbt_new0(s_mount_t, 1);
 208 //  mnt->id = xbt_strdup(mstorage->type_id);
 209 //  mnt->name = xbt_strdup(mstorage->name);
 210 //
 211 //  if(!mount_list){
 212 //    XBT_DEBUG("Creata a Mount list for %s",A_surfxml_host_id);
 213 //    mount_list = xbt_dynar_new(sizeof(char *), NULL);
 214 //  }
 215 //  xbt_dynar_push(mount_list,(void *) mnt);
 216 //  free(mnt->id);
 217 //  free(mnt->name);
 218 //  xbt_free(mnt);
 219 //  XBT_DEBUG("ROUTING Mount a storage name '%s' with type_id '%s'",mstorage->name, mstorage->id);
 220 }
 221
 222 static void mount_free(void *p)
 223 {
 224   mount_t mnt = (mount_t) p;
 225   xbt_free(mnt->name);
 226 }
 227
 228 void sg_platf_new_mount(sg_platf_mount_cbarg_t mount){
 229   // Verification of an existing storage
 230 #ifndef NDEBUG
 231   void* storage = xbt_lib_get_or_null(storage_lib, mount->storageId, ROUTING_STORAGE_LEVEL);
 232 #endif
 233   xbt_assert(storage,"Disk id \"%s\" does not exists", mount->storageId);
 234
 235   XBT_DEBUG("ROUTING Mount '%s' on '%s'",mount->storageId, mount->name);
 236
 237   s_mount_t mnt;
 238   mnt.storage = surf_storage_resource_priv(surf_storage_resource_by_name(mount->storageId));
 239   mnt.name = xbt_strdup(mount->name);
 240
 241   if(!mount_list){
 242     XBT_DEBUG("Create a Mount list for %s",A_surfxml_host_id);
 243     mount_list = xbt_dynar_new(sizeof(s_mount_t), mount_free);
 244   }
 245   xbt_dynar_push(mount_list, &mnt);
 246 }
 247
 248 void sg_platf_new_route(sg_platf_route_cbarg_t route)
 249 {
 250   routing_get_current()->parseRoute(route);
 251 }
 252
 253 void sg_platf_new_ASroute(sg_platf_route_cbarg_t ASroute)
 254 {
 255   routing_get_current()->parseASroute(ASroute);
 256 }
 257
 258 void sg_platf_new_bypassRoute(sg_platf_route_cbarg_t bypassRoute)
 259 {
 260   routing_get_current()->parseBypassroute(bypassRoute);
 261 }
 262
 263 void sg_platf_new_bypassASroute(sg_platf_route_cbarg_t bypassASroute)
 264 {
 265   routing_get_current()->parseBypassroute(bypassASroute);
 266 }
 267
 268 void sg_platf_new_process(sg_platf_process_cbarg_t process)
 269 {
 270   if (!simix_global)
 271     xbt_die("Cannot create process without SIMIX.");
 272
 273   sg_host_t host = sg_host_by_name(process->host);
 274   if (!host)
 275     THROWF(arg_error, 0, "Host '%s' unknown", process->host);
 276   xbt_main_func_t parse_code = SIMIX_get_registered_function(process->function);
 277   xbt_assert(parse_code, "Function '%s' unknown", process->function);
 278
 279   double start_time = process->start_time;
 280   double kill_time  = process->kill_time;
 281   int auto_restart = process->on_failure == SURF_PROCESS_ON_FAILURE_DIE ? 0 : 1;
 282
 283   smx_process_arg_t arg = NULL;
 284   smx_process_t process_created = NULL;
 285
 286   arg = xbt_new0(s_smx_process_arg_t, 1);
 287   arg->code = parse_code;
 288   arg->data = NULL;
 289   arg->hostname = sg_host_get_name(host);
 290   arg->argc = process->argc;
 291   arg->argv = xbt_new(char *,process->argc);
 292   int i;
 293   for (i=0; i<process->argc; i++)
 294     arg->argv[i] = xbt_strdup(process->argv[i]);
 295   arg->name = xbt_strdup(arg->argv[0]);
 296   arg->kill_time = kill_time;
 297   arg->properties = current_property_set;
 298   if (!sg_host_simix(host)->boot_processes) {
 299     sg_host_simix(host)->boot_processes = xbt_dynar_new(sizeof(smx_process_arg_t), _SIMIX_host_free_process_arg);
 300   }
 301   xbt_dynar_push_as(sg_host_simix(host)->boot_processes,smx_process_arg_t,arg);
 302
 303   if (start_time > SIMIX_get_clock()) {
 304     arg = xbt_new0(s_smx_process_arg_t, 1);
 305     arg->name = (char*)(process->argv)[0];
 306     arg->code = parse_code;
 307     arg->data = NULL;
 308     arg->hostname = sg_host_get_name(host);
 309     arg->argc = process->argc;
 310     arg->argv = (char**)(process->argv);
 311     arg->kill_time = kill_time;
 312     arg->properties = current_property_set;
 313
 314     XBT_DEBUG("Process %s(%s) will be started at time %f", arg->name,
 315            arg->hostname, start_time);
 316     SIMIX_timer_set(start_time, [](void* arg) {
 317       SIMIX_process_create_from_wrapper((smx_process_arg_t) arg);
 318     }, arg);
 319   } else {                      // start_time <= SIMIX_get_clock()
 320     XBT_DEBUG("Starting Process %s(%s) right now", process->argv[0], sg_host_get_name(host));
 321
 322     if (simix_global->create_process_function)
 323       process_created = simix_global->create_process_function(
 324                                             (char*)(process->argv)[0],
 325                                             parse_code,
 326                                             NULL,
 327                                             sg_host_get_name(host),
 328                                             kill_time,
 329                                             process->argc,
 330                                             (char**)(process->argv),
 331                                             current_property_set,
 332                                             auto_restart, NULL);
 333     else
 334       process_created = simcall_process_create((char*)(process->argv)[0], parse_code, NULL, sg_host_get_name(host), kill_time, process->argc,
 335           (char**)process->argv, current_property_set,auto_restart);
 336
 337     /* verify if process has been created (won't be the case if the host is currently dead, but that's fine) */
 338     if (!process_created) {
 339       return;
 340     }
 341   }
 342   current_property_set = NULL;
 343 }
 344
 345 void sg_platf_route_begin (sg_platf_route_cbarg_t route){
 346   route->link_list = xbt_dynar_new(sizeof(char *), &xbt_free_ref);
 347 }
 348 void sg_platf_ASroute_begin (sg_platf_route_cbarg_t ASroute){
 349   ASroute->link_list = xbt_dynar_new(sizeof(char *), &xbt_free_ref);
 350 }
 351
 352 void sg_platf_route_end (sg_platf_route_cbarg_t route){
 353   sg_platf_new_route(route);
 354 }
 355 void sg_platf_ASroute_end (sg_platf_route_cbarg_t ASroute){
 356   sg_platf_new_ASroute(ASroute);
 357 }
 358
 359 void sg_platf_route_add_link (const char* link_id, sg_platf_route_cbarg_t route){
 360   char *link_name = xbt_strdup(link_id);
 361   xbt_dynar_push(route->link_list, &link_name);
 362 }
 363 void sg_platf_ASroute_add_link (const char* link_id, sg_platf_route_cbarg_t ASroute){
 364   char *link_name = xbt_strdup(link_id);
 365   xbt_dynar_push(ASroute->link_list, &link_name);
 366 }
 367
 368 void sg_platf_begin() { /* Do nothing: just for symmetry of user code */ }
 369
 370 void sg_platf_end() {
 371   simgrid::surf::on_postparse();
 372 }
 373
 374 void sg_platf_new_AS_begin(sg_platf_AS_cbarg_t AS)
 375 {
 376   if (!surf_parse_models_setup_already_called) {
 377     /* Initialize the surf models. That must be done after we got all config, and before we need the models.
 378      * That is, after the last <config> tag, if any, and before the first of cluster|peer|AS|trace|trace_connect
 379      *
 380      * I'm not sure for <trace> and <trace_connect>, there may be a bug here
 381      * (FIXME: check it out by creating a file beginning with one of these tags)
 382      * but cluster and peer create ASes internally, so putting the code in there is ok.
 383      *
 384      * TODO, There used to be a guard protecting here against
 385      * xbt_dynar_length(sg_platf_AS_begin_cb_list) because we don't want to
 386      * initialize the models if we are parsing the file to get the deployment.
 387      * That could happen if the same file would be used for platf and deploy:
 388      * it'd contain AS tags even during the deploy parsing. Removing that guard
 389      * would result of the models to get re-inited when parsing for deploy.
 390      * Currently using the same file for platform and deployment is broken
 391      * however. This guard will have to ba adapted in order to make this feature
 392      * work again.
 393      */
 394     surf_parse_models_setup_already_called = 1;
 395     surf_config_models_setup();
 396   }
 397
 398   routing_AS_begin(AS);
 399   if (TRACE_is_enabled())
 400     sg_instr_AS_begin(AS);
 401 }
 402
 403 void sg_platf_new_AS_end()
 404 {
 405   routing_AS_end();
 406   if (TRACE_is_enabled())
 407     sg_instr_AS_end();
 408 }
 409 /* ***************************************** */
 410
 411 void sg_platf_rng_stream_init(unsigned long seed[6]) {
 412   RngStream_SetPackageSeed(seed);
 413   sg_platf_rng_stream = RngStream_CreateStream(NULL);
 414 }
 415
 416 RngStream sg_platf_rng_stream_get(const char* id) {
 417   RngStream stream = NULL;
 418   unsigned int id_hash;
 419
 420   stream = RngStream_CopyStream(sg_platf_rng_stream);
 421   id_hash = xbt_str_hash(id);
 422   RngStream_AdvanceState(stream, 0, (long)id_hash);
 423
 424   return stream;
 425 }