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