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