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