src/simix/smx_smurf.c

   1 #include "private.h"
   2 #include "xbt/fifo.h"
   3 #include "xbt/xbt_os_thread.h"
   4
   5 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(simix_smurf, simix,
   6                                 "Logging specific to SIMIX (SMURF)");
   7
   8 static xbt_dynar_t req_vector;
   9 static xbt_os_mutex_t sync_req_vector;
  10
  11 void SIMIX_request_init(void)
  12 {
  13   sync_req_vector = xbt_os_mutex_init();
  14   req_vector = xbt_dynar_new(sizeof(void *), NULL);
  15 }
  16
  17 void SIMIX_request_destroy(void)
  18 {
  19   xbt_os_mutex_destroy(sync_req_vector);
  20   xbt_dynar_free(&req_vector);
  21 }
  22
  23 void SIMIX_request_push(smx_req_t req)
  24 {
  25   req->issuer = SIMIX_process_self();
  26   if (req->issuer != simix_global->maestro_process){
  27     if (_surf_parallel_contexts)
  28       xbt_os_mutex_acquire(sync_req_vector);
  29     xbt_dynar_set_as(req_vector, req->issuer->pid, smx_req_t, req);
  30     if (_surf_parallel_contexts)
  31       xbt_os_mutex_release(sync_req_vector);
  32     req->issuer->request = req;
  33     DEBUG2("Yield process '%s' on request of type %d", req->issuer->name, req->call);
  34     SIMIX_process_yield();
  35   } else {
  36     SIMIX_request_pre(req);
  37   }
  38 }
  39
  40 smx_req_t SIMIX_request_pop(void)
  41 {
  42   smx_req_t request = NULL;
  43   if (_surf_parallel_contexts)
  44     xbt_os_mutex_acquire(sync_req_vector);
  45   while (xbt_dynar_length(req_vector)){
  46     request = xbt_dynar_pop_as(req_vector, smx_req_t);
  47     if (request)
  48       break;
  49   }
  50   if (_surf_parallel_contexts)
  51     xbt_os_mutex_release(sync_req_vector);
  52   return request;
  53 }
  54
  55 void SIMIX_request_answer(smx_req_t req)
  56 {
  57   if (req->issuer != simix_global->maestro_process){
  58     req->issuer->request = NULL;
  59     xbt_swag_insert(req->issuer, simix_global->process_to_run);
  60   }
  61 }
  62
  63 int SIMIX_request_is_visible(smx_req_t req)
  64 {
  65   return req->call == REQ_COMM_ISEND
  66      || req->call == REQ_COMM_IRECV
  67      || req->call == REQ_COMM_WAIT
  68      || req->call == REQ_COMM_WAITANY
  69      || req->call == REQ_COMM_TEST;
  70 }
  71
  72 int SIMIX_request_is_enabled(smx_req_t req)
  73 {
  74   unsigned int index = 0;
  75   smx_action_t act;
  76
  77   switch (req->call) {
  78
  79     case REQ_COMM_WAIT:
  80       /* FIXME: check also that src and dst processes are not suspended */
  81       if (req->comm_wait.comm->comm.src_proc
  82          && req->comm_wait.comm->comm.dst_proc)
  83         return TRUE;
  84       return FALSE;
  85       break;
  86
  87     case REQ_COMM_WAITANY:
  88       xbt_dynar_foreach(req->comm_waitany.comms, index, act) {
  89         if (act->comm.src_proc && act->comm.dst_proc){
  90           return TRUE;
  91         }
  92       }
  93       return FALSE;
  94       break;
  95
  96     default:
  97       return TRUE;
  98   }
  99 }
 100
 101
 102 void SIMIX_request_pre(smx_req_t req)
 103 {
 104   switch (req->call) {
 105
 106     case REQ_HOST_GET_BY_NAME:
 107       req->host_get_by_name.result =
 108         SIMIX_host_get_by_name(req->host_get_by_name.name);
 109       SIMIX_request_answer(req);
 110       break;
 111
 112     case REQ_HOST_GET_NAME:
 113       req->host_get_name.result =       SIMIX_host_get_name(req->host_get_name.host);
 114       SIMIX_request_answer(req);
 115       break;
 116
 117     case REQ_HOST_GET_PROPERTIES:
 118       req->host_get_properties.result =
 119         SIMIX_host_get_properties(req->host_get_properties.host);
 120       SIMIX_request_answer(req);
 121       break;
 122
 123     case REQ_HOST_GET_SPEED:
 124       req->host_get_speed.result =
 125         SIMIX_host_get_speed(req->host_get_speed.host);
 126       SIMIX_request_answer(req);
 127       break;
 128
 129     case REQ_HOST_GET_AVAILABLE_SPEED:
 130       req->host_get_available_speed.result =
 131         SIMIX_host_get_available_speed(req->host_get_available_speed.host);
 132       SIMIX_request_answer(req);
 133       break;
 134
 135     case REQ_HOST_GET_STATE:
 136       req->host_get_state.result =
 137         SIMIX_host_get_state(req->host_get_state.host);
 138       SIMIX_request_answer(req);
 139       break;
 140
 141     case REQ_HOST_GET_DATA:
 142       req->host_get_data.result =       SIMIX_host_get_data(req->host_get_data.host);
 143       SIMIX_request_answer(req);
 144       break;
 145
 146     case REQ_HOST_SET_DATA:
 147       SIMIX_host_set_data(req->host_set_data.host, req->host_set_data.data);
 148       SIMIX_request_answer(req);
 149       break;
 150
 151     case REQ_HOST_EXECUTE:
 152       req->host_execute.result = SIMIX_host_execute(
 153           req->host_execute.name,
 154           req->host_execute.host,
 155           req->host_execute.computation_amount);
 156       SIMIX_request_answer(req);
 157       break;
 158
 159     case REQ_HOST_PARALLEL_EXECUTE:
 160       req->host_parallel_execute.result = SIMIX_host_parallel_execute(
 161           req->host_parallel_execute.name,
 162           req->host_parallel_execute.host_nb,
 163           req->host_parallel_execute.host_list,
 164           req->host_parallel_execute.computation_amount,
 165           req->host_parallel_execute.communication_amount,
 166           req->host_parallel_execute.amount,
 167           req->host_parallel_execute.rate);
 168       SIMIX_request_answer(req);
 169       break;
 170
 171     case REQ_HOST_EXECUTION_DESTROY:
 172       SIMIX_host_execution_destroy(req->host_execution_destroy.execution);
 173       SIMIX_request_answer(req);
 174       break;
 175
 176     case REQ_HOST_EXECUTION_CANCEL:
 177       SIMIX_host_execution_cancel(req->host_execution_cancel.execution);
 178       SIMIX_request_answer(req);
 179       break;
 180
 181     case REQ_HOST_EXECUTION_GET_REMAINS:
 182       req->host_execution_get_remains.result =
 183         SIMIX_host_execution_get_remains(req->host_execution_get_remains.execution);
 184       SIMIX_request_answer(req);
 185       break;
 186
 187     case REQ_HOST_EXECUTION_GET_STATE:
 188       req->host_execution_get_state.result =
 189         SIMIX_host_execution_get_state(req->host_execution_get_state.execution);
 190       SIMIX_request_answer(req);
 191       break;
 192
 193     case REQ_HOST_EXECUTION_SET_PRIORITY:
 194       SIMIX_host_execution_set_priority(
 195           req->host_execution_set_priority.execution,
 196           req->host_execution_set_priority.priority);
 197       SIMIX_request_answer(req);
 198       break;
 199
 200     case REQ_HOST_EXECUTION_WAIT:
 201       SIMIX_pre_host_execution_wait(req);
 202       break;
 203
 204     case REQ_PROCESS_CREATE:
 205       req->process_create.result = SIMIX_process_create(
 206           req->process_create.name,
 207           req->process_create.code,
 208           req->process_create.data,
 209           req->process_create.hostname,
 210           req->process_create.argc,
 211           req->process_create.argv,
 212           req->process_create.properties);
 213       SIMIX_request_answer(req);
 214       break;
 215
 216     case REQ_PROCESS_KILL:
 217       SIMIX_process_kill(req->process_kill.process, req->issuer);
 218       SIMIX_request_answer(req);
 219       break;
 220
 221     case REQ_PROCESS_CHANGE_HOST:
 222       SIMIX_process_change_host(
 223           req->process_change_host.process,
 224           req->process_change_host.source,
 225           req->process_change_host.dest);
 226       SIMIX_request_answer(req);
 227       break;
 228
 229     case REQ_PROCESS_SUSPEND:
 230       SIMIX_pre_process_suspend(req);
 231       break;
 232
 233     case REQ_PROCESS_RESUME:
 234       SIMIX_process_resume(req->process_resume.process, req->issuer);
 235       SIMIX_request_answer(req);
 236       break;
 237
 238     case REQ_PROCESS_COUNT:
 239       req->process_count.result = SIMIX_process_count();
 240       SIMIX_request_answer(req);
 241       break;
 242
 243     case REQ_PROCESS_GET_DATA:
 244       req->process_get_data.result =
 245         SIMIX_process_get_data(req->process_get_data.process);
 246       SIMIX_request_answer(req);
 247       break;
 248
 249     case REQ_PROCESS_SET_DATA:
 250       SIMIX_process_set_data(
 251           req->process_set_data.process,
 252           req->process_set_data.data);
 253       SIMIX_request_answer(req);
 254       break;
 255
 256     case REQ_PROCESS_GET_HOST:
 257       req->process_get_host.result = SIMIX_process_get_host(req->process_get_host.process);
 258       SIMIX_request_answer(req);
 259       break;
 260
 261     case REQ_PROCESS_GET_NAME:
 262       req->process_get_name.result = SIMIX_process_get_name(req->process_get_name.process);
 263       SIMIX_request_answer(req);
 264       break;
 265
 266     case REQ_PROCESS_IS_SUSPENDED:
 267       req->process_is_suspended.result =
 268         SIMIX_process_is_suspended(req->process_is_suspended.process);
 269       SIMIX_request_answer(req);
 270       break;
 271
 272     case REQ_PROCESS_GET_PROPERTIES:
 273       req->process_get_properties.result =
 274         SIMIX_process_get_properties(req->process_get_properties.process);
 275       SIMIX_request_answer(req);
 276       break;
 277
 278     case REQ_PROCESS_SLEEP:
 279       SIMIX_pre_process_sleep(req);
 280       break;
 281
 282     case REQ_RDV_CREATE:
 283       req->rdv_create.result = SIMIX_rdv_create(req->rdv_create.name);
 284       SIMIX_request_answer(req);
 285       break;
 286
 287     case REQ_RDV_DESTROY:
 288       SIMIX_rdv_destroy(req->rdv_destroy.rdv);
 289       SIMIX_request_answer(req);
 290       break;
 291
 292     case REQ_RDV_GEY_BY_NAME:
 293       req->rdv_get_by_name.result =
 294         SIMIX_rdv_get_by_name(req->rdv_get_by_name.name);
 295       SIMIX_request_answer(req);
 296       break;
 297
 298     case REQ_RDV_COMM_COUNT_BY_HOST:
 299       req->rdv_comm_count_by_host.result = SIMIX_rdv_comm_count_by_host(
 300           req->rdv_comm_count_by_host.rdv,
 301           req->rdv_comm_count_by_host.host);
 302       SIMIX_request_answer(req);
 303       break;
 304
 305     case REQ_RDV_GET_HEAD:
 306       req->rdv_get_head.result =        SIMIX_rdv_get_head(req->rdv_get_head.rdv);
 307       SIMIX_request_answer(req);
 308       break;
 309
 310     case REQ_COMM_ISEND:
 311       req->comm_isend.result = SIMIX_comm_isend(
 312           req->issuer,
 313           req->comm_isend.rdv,
 314           req->comm_isend.task_size,
 315           req->comm_isend.rate,
 316           req->comm_isend.src_buff,
 317           req->comm_isend.src_buff_size,
 318           req->comm_isend.match_fun,
 319           req->comm_isend.data);
 320       SIMIX_request_answer(req);
 321       break;
 322
 323     case REQ_COMM_IRECV:
 324       req->comm_irecv.result = SIMIX_comm_irecv(
 325           req->issuer,
 326           req->comm_irecv.rdv,
 327           req->comm_irecv.dst_buff,
 328           req->comm_irecv.dst_buff_size,
 329           req->comm_irecv.match_fun,
 330           req->comm_irecv.data);
 331       SIMIX_request_answer(req);
 332       break;
 333
 334     case REQ_COMM_DESTROY:
 335       SIMIX_comm_destroy(req->comm_destroy.comm);
 336       SIMIX_request_answer(req);
 337       break;
 338
 339     case REQ_COMM_CANCEL:
 340       SIMIX_comm_cancel(req->comm_cancel.comm);
 341       SIMIX_request_answer(req);
 342       break;
 343
 344     case REQ_COMM_WAITANY:
 345       SIMIX_pre_comm_waitany(req);
 346       break;
 347
 348     case REQ_COMM_WAIT:
 349       SIMIX_pre_comm_wait(req);
 350       break;
 351
 352     case REQ_COMM_TEST:
 353       SIMIX_pre_comm_test(req);
 354       break;
 355
 356     case REQ_COMM_TESTANY:
 357       SIMIX_pre_comm_testany(req);
 358       break;
 359
 360     case REQ_COMM_GET_REMAINS:
 361       req->comm_get_remains.result =
 362         SIMIX_comm_get_remains(req->comm_get_remains.comm);
 363       SIMIX_request_answer(req);
 364       break;
 365
 366     case REQ_COMM_GET_STATE:
 367       req->comm_get_state.result =
 368         SIMIX_comm_get_state(req->comm_get_state.comm);
 369       SIMIX_request_answer(req);
 370       break;
 371
 372     case REQ_COMM_GET_DATA:
 373       req->comm_get_data.result = SIMIX_comm_get_data(req->comm_get_data.comm);
 374       SIMIX_request_answer(req);
 375       break;
 376
 377     case REQ_COMM_GET_SRC_BUFF:
 378       req->comm_get_src_buff.result =
 379         SIMIX_comm_get_src_buff(req->comm_get_src_buff.comm);
 380       SIMIX_request_answer(req);
 381       break;
 382
 383     case REQ_COMM_GET_DST_BUFF:
 384       req->comm_get_dst_buff.result =
 385         SIMIX_comm_get_dst_buff(req->comm_get_dst_buff.comm);
 386       SIMIX_request_answer(req);
 387       break;
 388
 389     case REQ_COMM_GET_SRC_BUFF_SIZE:
 390       req->comm_get_src_buff_size.result =
 391         SIMIX_comm_get_src_buff_size(req->comm_get_src_buff_size.comm);
 392       SIMIX_request_answer(req);
 393       break;
 394
 395     case REQ_COMM_GET_DST_BUFF_SIZE:
 396       req->comm_get_dst_buff_size.result =
 397         SIMIX_comm_get_dst_buff_size(req->comm_get_dst_buff_size.comm);
 398       SIMIX_request_answer(req);
 399       break;
 400
 401     case REQ_COMM_GET_SRC_PROC:
 402       req->comm_get_src_proc.result =
 403         SIMIX_comm_get_src_proc(req->comm_get_src_proc.comm);
 404       SIMIX_request_answer(req);
 405       break;
 406
 407     case REQ_COMM_GET_DST_PROC:
 408       req->comm_get_dst_proc.result =
 409         SIMIX_comm_get_dst_proc(req->comm_get_dst_proc.comm);
 410       SIMIX_request_answer(req);
 411       break;
 412
 413 #ifdef HAVE_LATENCY_BOUND_TRACKING
 414     case REQ_COMM_IS_LATENCY_BOUNDED:
 415       req->comm_is_latency_bounded.result =
 416         SIMIX_comm_is_latency_bounded(req->comm_is_latency_bounded.comm);
 417       SIMIX_request_answer(req);
 418       break;
 419 #endif
 420
 421 #ifdef HAVE_TRACING
 422     case REQ_SET_CATEGORY:
 423       SIMIX_set_category(
 424           req->set_category.action,
 425           req->set_category.category);
 426       SIMIX_request_answer(req);
 427       break;
 428 #endif
 429
 430     case REQ_MUTEX_INIT:
 431       req->mutex_init.result = SIMIX_mutex_init();
 432       SIMIX_request_answer(req);
 433       break;
 434
 435     case REQ_MUTEX_DESTROY:
 436       SIMIX_mutex_destroy(req->mutex_destroy.mutex);
 437       SIMIX_request_answer(req);
 438       break;
 439
 440     case REQ_MUTEX_LOCK:
 441       SIMIX_pre_mutex_lock(req);
 442       break;
 443
 444     case REQ_MUTEX_TRYLOCK:
 445       req->mutex_trylock.result =
 446               SIMIX_mutex_trylock(req->mutex_trylock.mutex, req->issuer);
 447       SIMIX_request_answer(req);
 448       break;
 449
 450     case REQ_MUTEX_UNLOCK:
 451       SIMIX_mutex_unlock(req->mutex_unlock.mutex, req->issuer);
 452       SIMIX_request_answer(req);
 453       break;
 454
 455     case REQ_COND_INIT:
 456       req->cond_init.result = SIMIX_cond_init();
 457       SIMIX_request_answer(req);
 458       break;
 459
 460     case REQ_COND_DESTROY:
 461       SIMIX_cond_destroy(req->cond_destroy.cond);
 462       SIMIX_request_answer(req);
 463       break;
 464
 465     case REQ_COND_SIGNAL:
 466       SIMIX_cond_signal(req->cond_signal.cond);
 467       SIMIX_request_answer(req);
 468       break;
 469
 470     case REQ_COND_WAIT:
 471       SIMIX_pre_cond_wait(req);
 472       break;
 473
 474     case REQ_COND_WAIT_TIMEOUT:
 475       SIMIX_pre_cond_wait_timeout(req);
 476       break;
 477
 478     case REQ_COND_BROADCAST:
 479       SIMIX_cond_broadcast(req->cond_broadcast.cond);
 480       SIMIX_request_answer(req);
 481       break;
 482
 483     case REQ_SEM_INIT:
 484       req->sem_init.result = SIMIX_sem_init(req->sem_init.capacity);
 485       SIMIX_request_answer(req);
 486       break;
 487
 488     case REQ_SEM_DESTROY:
 489       SIMIX_sem_destroy(req->sem_destroy.sem);
 490       SIMIX_request_answer(req);
 491       break;
 492
 493     case REQ_SEM_RELEASE:
 494       SIMIX_sem_release(req->sem_release.sem);
 495       SIMIX_request_answer(req);
 496       break;
 497
 498     case REQ_SEM_WOULD_BLOCK:
 499       req->sem_would_block.result =
 500         SIMIX_sem_would_block(req->sem_would_block.sem);
 501       SIMIX_request_answer(req);
 502       break;
 503
 504     case REQ_SEM_ACQUIRE:
 505       SIMIX_pre_sem_acquire(req);
 506       break;
 507
 508     case REQ_SEM_ACQUIRE_TIMEOUT:
 509       SIMIX_pre_sem_acquire_timeout(req);
 510       break;
 511
 512     case REQ_SEM_GET_CAPACITY:
 513       req->sem_get_capacity.result =
 514         SIMIX_sem_get_capacity(req->sem_get_capacity.sem);
 515       SIMIX_request_answer(req);
 516       break;
 517   }
 518 }
 519
 520 void SIMIX_request_post(smx_action_t action)
 521 {
 522   switch (action->type) {
 523
 524     case SIMIX_ACTION_EXECUTE:
 525     case SIMIX_ACTION_PARALLEL_EXECUTE:
 526       SIMIX_post_host_execute(action);
 527       break;
 528
 529     case SIMIX_ACTION_COMMUNICATE:
 530       SIMIX_post_comm(action);
 531       break;
 532
 533     case SIMIX_ACTION_SLEEP:
 534       SIMIX_post_process_sleep(action);
 535       break;
 536
 537     case SIMIX_ACTION_SYNCHRO:
 538       SIMIX_post_synchro(action);
 539       break;
 540
 541     case SIMIX_ACTION_IO:
 542       break;
 543   }
 544 }