1 /* Copyright (c) 2004-2015. The SimGrid Team.
2 * All rights reserved. */
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. */
12 #include "simgrid/simix.h"
13 #include "simgrid/platf.h"
17 /* ******************************** Mailbox ************************************ */
19 /** @brief Mailbox datatype
20 * @ingroup msg_task_usage
22 * Object representing a communication rendez-vous point, on which
23 * the sender finds the receiver it wants to communicate with. As a
24 * MSG user, you will only rarely manipulate any of these objects
25 * directly, since most of the public interface (such as
26 * #MSG_task_send and friends) hide this object behind a string
27 * alias. That mean that you don't provide the mailbox on which you
28 * want to send your task, but only the name of this mailbox. */
29 typedef struct s_smx_rvpoint *msg_mailbox_t;
31 /* ******************************** Environment ************************************ */
32 typedef struct As *msg_as_t;
34 /* ******************************** Host ************************************ */
36 /** @brief Host datatype.
37 @ingroup m_host_management
39 A <em>location</em> (or <em>host</em>) is any possible place where
40 a process may run. Thus it is represented as a <em>physical
41 resource with computing capabilities</em>, some <em>mailboxes</em>
42 to enable running process to communicate with remote ones, and
43 some <em>private data</em> that can be only accessed by local
46 typedef sg_host_t msg_host_t;
48 typedef struct s_msg_host_priv {
51 double dp_updated_by_deleted_tasks;
54 xbt_dict_t affinity_mask_db;
56 #ifdef MSG_USE_DEPRECATED
57 msg_mailbox_t *mailboxes; /**< the channels */
61 /* ******************************** Task ************************************ */
63 typedef struct simdata_task *simdata_task_t;
65 typedef struct msg_task {
66 char *name; /**< @brief task name if any */
67 simdata_task_t simdata; /**< @brief simulator data */
68 void *data; /**< @brief user data */
69 long long int counter; /* task unique identifier for instrumentation */
70 char *category; /* task category for instrumentation */
73 /** @brief Task datatype.
74 @ingroup m_task_management
76 A <em>task</em> may then be defined by a <em>computing
77 amount</em>, a <em>message size</em> and some <em>private
80 typedef struct msg_task *msg_task_t;
82 /* ******************************** VM ************************************* */
83 typedef msg_host_t msg_vm_t;
85 /** ******************************** File ************************************ */
87 /** @brief File datatype.
88 * @ingroup msg_file_management
90 * You should consider this as an opaque object.
92 typedef xbt_dictelm_t msg_file_t;
93 typedef s_xbt_dictelm_t s_msg_file_t;
95 extern int MSG_FILE_LEVEL;
96 typedef struct simdata_file *simdata_file_t;
98 typedef struct msg_file_priv {
106 simdata_file_t simdata;
107 } s_msg_file_priv_t, *msg_file_priv_t;
109 static inline msg_file_priv_t MSG_file_priv(msg_file_t file){
110 return (msg_file_priv_t )xbt_lib_get_level(file, MSG_FILE_LEVEL);
113 /* ******************************** Storage ************************************ */
114 /* TODO: PV: to comment */
116 extern int MSG_STORAGE_LEVEL;
118 /** @brief Storage datatype.
119 * @ingroup msg_storage_management
121 * You should consider this as an opaque object.
123 typedef xbt_dictelm_t msg_storage_t;
124 typedef s_xbt_dictelm_t s_msg_storage_t;
126 typedef struct msg_storage_priv {
127 const char *hostname;
129 } s_msg_storage_priv_t, *msg_storage_priv_t;
131 static inline msg_storage_priv_t MSG_storage_priv(msg_storage_t storage){
132 return (msg_storage_priv_t )xbt_lib_get_level(storage, MSG_STORAGE_LEVEL);
135 /*************** Begin GPU ***************/
136 typedef struct simdata_gpu_task *simdata_gpu_task_t;
138 typedef struct msg_gpu_task {
139 char *name; /**< @brief task name if any */
140 simdata_gpu_task_t simdata; /**< @brief simulator data */
141 long long int counter; /* task unique identifier for instrumentation */
142 char *category; /* task category for instrumentation */
145 /** @brief GPU task datatype.
146 @ingroup m_task_management
148 A <em>task</em> may then be defined by a <em>computing
149 amount</em>, a <em>dispatch latency</em> and a <em>collect latency</em>.
150 \see m_task_management
152 typedef struct msg_gpu_task *msg_gpu_task_t;
153 /*************** End GPU ***************/
156 * \brief @brief Communication action.
157 * \ingroup msg_task_usage
159 * Object representing an ongoing communication between processes. Such beast is usually obtained by using #MSG_task_isend, #MSG_task_irecv or friends.
161 typedef struct msg_comm *msg_comm_t;
163 /** \brief Default value for an uninitialized #msg_task_t.
164 \ingroup m_task_management
166 #define MSG_TASK_UNINITIALIZED NULL
168 /* ****************************** Process *********************************** */
170 /** @brief Process datatype.
171 @ingroup m_process_management
173 A process may be defined as a <em>code</em>, with some
174 <em>private data</em>, executing in a <em>location</em>.
176 You should not access directly to the fields of the pointed
177 structure, but always use the provided API to interact with
180 typedef struct s_smx_process *msg_process_t;
182 #ifdef MSG_USE_DEPRECATED
184 /* Compatibility typedefs */
185 typedef int m_channel_t;
186 typedef msg_gpu_task_t m_gpu_task_t;
187 typedef msg_host_t m_host_t;
188 typedef msg_process_t m_process_t;
189 typedef msg_task_t m_task_t;
190 typedef s_msg_gpu_task_t s_m_gpu_task_t;
191 typedef s_msg_host_t s_m_host_t;
192 typedef s_msg_task_t s_m_task_t;
195 /** @brief Return code of most MSG functions
196 @ingroup msg_simulation
198 /* Keep these code as binary values: java bindings manipulate | of these values */
200 MSG_OK = 0, /**< @brief Everything is right. Keep on going this way ! */
201 MSG_TIMEOUT = 1, /**< @brief nothing good happened before the timer you provided elapsed */
202 MSG_TRANSFER_FAILURE = 2, /**< @brief There has been a problem during you task
203 transfer. Either the network is down or the remote host has been
205 MSG_HOST_FAILURE = 4, /**< @brief System shutdown. The host on which you are
206 running has just been rebooted. Free your datastructures and
208 MSG_TASK_CANCELED = 8 /**< @brief Canceled task. This task has been canceled by somebody!*/
212 /************************** Global ******************************************/
213 XBT_PUBLIC(void) MSG_config(const char *key, const char *value);
214 /** \ingroup msg_simulation
215 * \brief Initialize the MSG internal data.
218 * It also check that the link-time and compile-time versions of SimGrid do
219 * match, so you should use this version instead of the #MSG_init_nocheck
220 * function that does the same initializations, but without this check.
222 * We allow to link against compiled versions that differ in the patch level.
224 #define MSG_init(argc,argv) { \
225 int ver_major,ver_minor,ver_patch; \
226 sg_version(&ver_major,&ver_minor,&ver_patch); \
227 if ((ver_major != SIMGRID_VERSION_MAJOR) || \
228 (ver_minor != SIMGRID_VERSION_MINOR)) { \
229 fprintf(stderr,"FATAL ERROR: Your program was compiled with SimGrid version %d.%d.%d, and then linked against SimGrid %d.%d.%d. Please fix this.\n", \
230 SIMGRID_VERSION_MAJOR,SIMGRID_VERSION_MINOR,SIMGRID_VERSION_PATCH,ver_major,ver_minor,ver_patch); \
232 MSG_init_nocheck(argc,argv); \
235 XBT_PUBLIC(void) MSG_init_nocheck(int *argc, char **argv);
236 XBT_PUBLIC(msg_error_t) MSG_main(void);
237 XBT_PUBLIC(void) MSG_function_register(const char *name,
238 xbt_main_func_t code);
239 XBT_PUBLIC(void) MSG_function_register_default(xbt_main_func_t code);
240 XBT_PUBLIC(xbt_main_func_t) MSG_get_registered_function(const char *name);
241 XBT_PUBLIC(void) MSG_launch_application(const char *file);
242 /*Bypass the parser */
243 XBT_PUBLIC(void) MSG_set_function(const char *host_id,
244 const char *function_name,
245 xbt_dynar_t arguments);
247 XBT_PUBLIC(double) MSG_get_clock(void);
248 XBT_PUBLIC(unsigned long int) MSG_get_sent_msg(void);
250 /************************** Environment ***********************************/
251 XBT_PUBLIC(msg_as_t) MSG_environment_get_routing_root(void);
252 XBT_PUBLIC(const char *) MSG_environment_as_get_name(msg_as_t as);
253 XBT_PUBLIC(msg_as_t) MSG_environment_as_get_by_name(const char * name);
254 XBT_PUBLIC(xbt_dict_t) MSG_environment_as_get_routing_sons(msg_as_t as);
255 XBT_PUBLIC(const char *) MSG_environment_as_get_property_value(msg_as_t as, const char *name);
256 XBT_PUBLIC(const char *) MSG_environment_as_get_model(msg_as_t as);
257 XBT_PUBLIC(xbt_dynar_t) MSG_environment_as_get_hosts(msg_as_t as);
259 /************************** File handling ***********************************/
260 XBT_PUBLIC(sg_size_t) MSG_file_read(msg_file_t fd, sg_size_t size);
261 XBT_PUBLIC(sg_size_t) MSG_file_write(msg_file_t fd, sg_size_t size);
262 XBT_PUBLIC(msg_file_t) MSG_file_open(const char* fullpath, void* data);
263 XBT_PUBLIC(void*) MSG_file_get_data(msg_file_t fd);
264 XBT_PUBLIC(msg_error_t) MSG_file_set_data(msg_file_t fd, void * data);
265 XBT_PUBLIC(int) MSG_file_close(msg_file_t fd);
266 XBT_PUBLIC(sg_size_t) MSG_file_get_size(msg_file_t fd);
267 XBT_PUBLIC(void) MSG_file_dump(msg_file_t fd);
268 XBT_PUBLIC(msg_error_t) MSG_file_unlink(msg_file_t fd);
269 XBT_PUBLIC(msg_error_t) MSG_file_seek(msg_file_t fd, sg_offset_t offset, int origin);
270 XBT_PUBLIC(sg_size_t) MSG_file_tell (msg_file_t fd);
271 XBT_PUBLIC(void) __MSG_file_get_info(msg_file_t fd);
272 XBT_PUBLIC(void) __MSG_file_priv_free(msg_file_priv_t priv);
273 XBT_PUBLIC(const char *) MSG_file_get_name(msg_file_t storage);
274 XBT_PUBLIC(msg_error_t) MSG_file_move(msg_file_t fd, const char* fullpath);
275 XBT_PUBLIC(msg_error_t) MSG_file_rcopy(msg_file_t fd, msg_host_t host, const char* fullpath);
276 XBT_PUBLIC(msg_error_t) MSG_file_rmove(msg_file_t fd, msg_host_t host, const char* fullpath);
277 /************************** Storage handling ***********************************/
278 XBT_PUBLIC(const char *) MSG_storage_get_name(msg_storage_t storage);
279 XBT_PUBLIC(sg_size_t) MSG_storage_get_free_size(msg_storage_t storage);
280 XBT_PUBLIC(sg_size_t) MSG_storage_get_used_size(msg_storage_t storage);
281 XBT_PUBLIC(msg_storage_t) MSG_storage_get_by_name(const char *name);
282 XBT_PUBLIC(xbt_dict_t) MSG_storage_get_properties(msg_storage_t storage);
283 XBT_PUBLIC(void) MSG_storage_set_property_value(msg_storage_t storage, const char *name, char *value,void_f_pvoid_t free_ctn);
284 XBT_PUBLIC(const char *)MSG_storage_get_property_value(msg_storage_t storage, const char *name);
285 XBT_PUBLIC(xbt_dynar_t) MSG_storages_as_dynar(void);
286 XBT_PUBLIC(msg_error_t) MSG_storage_set_data(msg_storage_t host, void *data);
287 XBT_PUBLIC(void *) MSG_storage_get_data(msg_storage_t storage);
288 XBT_PUBLIC(xbt_dict_t) MSG_storage_get_content(msg_storage_t storage);
289 XBT_PUBLIC(sg_size_t) MSG_storage_get_size(msg_storage_t storage);
290 XBT_PUBLIC(msg_error_t) MSG_storage_file_move(msg_file_t fd, msg_host_t dest, char* mount, char* fullname);
291 XBT_PUBLIC(const char *) MSG_storage_get_host(msg_storage_t storage);
292 /************************** AS Router handling ************************************/
293 XBT_PUBLIC(const char *) MSG_as_router_get_property_value(const char* asr, const char *name);
294 XBT_PUBLIC(xbt_dict_t) MSG_as_router_get_properties(const char* asr);
295 XBT_PUBLIC(void) MSG_as_router_set_property_value(const char* asr, const char *name, char *value,void_f_pvoid_t free_ctn);
297 /************************** Host handling ***********************************/
298 XBT_PUBLIC(msg_host_t) MSG_host_by_name(const char *name);
299 #define MSG_get_host_by_name(n) MSG_host_by_name(n) /* Rewrite the old name into the new one transparently */
300 XBT_PUBLIC(msg_error_t) MSG_host_set_data(msg_host_t host, void *data);
301 XBT_PUBLIC(void *) MSG_host_get_data(msg_host_t host);
302 XBT_PUBLIC(const char *) MSG_host_get_name(msg_host_t host);
303 XBT_PUBLIC(void) MSG_host_on(msg_host_t host);
304 XBT_PUBLIC(void) MSG_host_off(msg_host_t host);
305 XBT_PUBLIC(msg_host_t) MSG_host_self(void);
306 XBT_PUBLIC(int) MSG_get_host_msgload(msg_host_t host);
307 XBT_PUBLIC(double) MSG_get_host_speed(msg_host_t h);
308 XBT_PUBLIC(int) MSG_host_get_core_number(msg_host_t h);
309 XBT_PUBLIC(xbt_swag_t) MSG_host_get_process_list(msg_host_t h);
310 XBT_PUBLIC(int) MSG_host_is_on(msg_host_t h);
311 XBT_PUBLIC(int) MSG_host_is_off(msg_host_t h);
312 XBT_PUBLIC(double) MSG_host_get_wattmin_at(msg_host_t host, int pstate);
313 XBT_PUBLIC(double) MSG_host_get_wattmax_at(msg_host_t host, int pstate);
315 XBT_PUBLIC(void) __MSG_host_destroy(msg_host_t host);
317 XBT_PUBLIC(double) MSG_host_get_power_peak_at(msg_host_t h, int pstate);
318 XBT_PUBLIC(double) MSG_host_get_current_power_peak(msg_host_t h);
319 XBT_PUBLIC(int) MSG_host_get_nb_pstates(msg_host_t h);
320 XBT_PUBLIC(void) MSG_host_set_pstate(msg_host_t h, int pstate);
321 XBT_PUBLIC(int) MSG_host_get_pstate(msg_host_t host);
322 XBT_PUBLIC(xbt_dynar_t) MSG_hosts_as_dynar(void);
323 XBT_PUBLIC(int) MSG_get_host_number(void);
324 XBT_PUBLIC(void) MSG_host_get_params(msg_host_t ind_pm, ws_params_t params);
325 XBT_PUBLIC(void) MSG_host_set_params(msg_host_t ind_pm, ws_params_t params);
326 XBT_PUBLIC(xbt_dict_t) MSG_host_get_mounted_storage_list(msg_host_t host);
327 XBT_PUBLIC(xbt_dynar_t) MSG_host_get_attached_storage_list(msg_host_t host);
328 XBT_PUBLIC(xbt_dict_t) MSG_host_get_storage_content(msg_host_t host);
330 XBT_PUBLIC(double) MSG_host_get_consumed_energy(msg_host_t h);
332 /*property handlers*/
333 XBT_PUBLIC(xbt_dict_t) MSG_host_get_properties(msg_host_t host);
334 XBT_PUBLIC(const char *) MSG_host_get_property_value(msg_host_t host,
336 XBT_PUBLIC(void) MSG_host_set_property_value(msg_host_t host,
337 const char *name, char *value,
338 void_f_pvoid_t free_ctn);
341 XBT_PUBLIC(void) MSG_create_environment(const char *file);
343 /************************** Process handling *********************************/
344 XBT_PUBLIC(msg_process_t) MSG_process_create(const char *name,
345 xbt_main_func_t code,
346 void *data, msg_host_t host);
347 XBT_PUBLIC(msg_process_t) MSG_process_create_with_arguments(const char *name,
353 XBT_PUBLIC(msg_process_t) MSG_process_create_with_environment(const char
363 XBT_PUBLIC(void) MSG_process_kill(msg_process_t process);
364 XBT_PUBLIC(int) MSG_process_killall(int reset_PIDs);
365 XBT_PUBLIC(msg_error_t) MSG_process_migrate(msg_process_t process, msg_host_t host);
367 XBT_PUBLIC(void *) MSG_process_get_data(msg_process_t process);
368 XBT_PUBLIC(msg_error_t) MSG_process_set_data(msg_process_t process,
370 XBT_PUBLIC(void) MSG_process_set_data_cleanup(void_f_pvoid_t data_cleanup);
371 XBT_PUBLIC(msg_host_t) MSG_process_get_host(msg_process_t process);
372 XBT_PUBLIC(msg_process_t) MSG_process_from_PID(int PID);
373 XBT_PUBLIC(int) MSG_process_get_PID(msg_process_t process);
374 XBT_PUBLIC(int) MSG_process_get_PPID(msg_process_t process);
375 XBT_PUBLIC(const char *) MSG_process_get_name(msg_process_t process);
376 XBT_PUBLIC(int) MSG_process_self_PID(void);
377 XBT_PUBLIC(int) MSG_process_self_PPID(void);
378 XBT_PUBLIC(msg_process_t) MSG_process_self(void);
379 XBT_PUBLIC(xbt_dynar_t) MSG_processes_as_dynar(void);
380 XBT_PUBLIC(int) MSG_process_get_number(void);
382 XBT_PUBLIC(msg_error_t) MSG_process_set_kill_time(msg_process_t process, double kill_time);
384 /*property handlers*/
385 XBT_PUBLIC(xbt_dict_t) MSG_process_get_properties(msg_process_t process);
386 XBT_PUBLIC(const char *) MSG_process_get_property_value(msg_process_t
390 XBT_PUBLIC(msg_error_t) MSG_process_suspend(msg_process_t process);
391 XBT_PUBLIC(msg_error_t) MSG_process_resume(msg_process_t process);
392 XBT_PUBLIC(int) MSG_process_is_suspended(msg_process_t process);
393 XBT_PUBLIC(void) MSG_process_on_exit(int_f_pvoid_pvoid_t fun, void *data);
394 XBT_PUBLIC(void) MSG_process_auto_restart_set(msg_process_t process, int auto_restart);
396 XBT_PUBLIC(msg_process_t) MSG_process_restart(msg_process_t process);
398 /************************** Task handling ************************************/
399 XBT_PUBLIC(msg_task_t) MSG_task_create(const char *name,
401 double bytes_amount, void *data);
402 XBT_PUBLIC(msg_gpu_task_t) MSG_gpu_task_create(const char *name,
404 double dispatch_latency,
405 double collect_latency);
406 XBT_PUBLIC(msg_task_t) MSG_parallel_task_create(const char *name,
408 const msg_host_t * host_list,
409 double *flops_amount,
410 double *bytes_amount,
412 XBT_PUBLIC(void *) MSG_task_get_data(msg_task_t task);
413 XBT_PUBLIC(void) MSG_task_set_data(msg_task_t task, void *data);
414 XBT_PUBLIC(void) MSG_task_set_copy_callback(void (*callback) (
415 msg_task_t task, msg_process_t src, msg_process_t dst));
416 XBT_PUBLIC(msg_process_t) MSG_task_get_sender(msg_task_t task);
417 XBT_PUBLIC(msg_host_t) MSG_task_get_source(msg_task_t task);
418 XBT_PUBLIC(const char *) MSG_task_get_name(msg_task_t task);
419 XBT_PUBLIC(void) MSG_task_set_name(msg_task_t task, const char *name);
420 XBT_PUBLIC(msg_error_t) MSG_task_cancel(msg_task_t task);
421 XBT_PUBLIC(msg_error_t) MSG_task_destroy(msg_task_t task);
423 XBT_PUBLIC(msg_error_t) MSG_task_receive_from_host(msg_task_t * task, const char *alias,
425 XBT_PUBLIC(msg_error_t) MSG_task_receive_from_host_bounded(msg_task_t * task, const char *alias,
426 msg_host_t host, double rate);
428 XBT_PUBLIC(msg_error_t) MSG_task_execute(msg_task_t task);
429 XBT_PUBLIC(msg_error_t) MSG_parallel_task_execute(msg_task_t task);
430 XBT_PUBLIC(void) MSG_task_set_priority(msg_task_t task, double priority);
431 XBT_PUBLIC(void) MSG_task_set_bound(msg_task_t task, double bound);
432 XBT_PUBLIC(void) MSG_task_set_affinity(msg_task_t task, msg_host_t host, unsigned long mask);
434 XBT_PUBLIC(msg_error_t) MSG_process_join(msg_process_t process, double timeout);
435 XBT_PUBLIC(msg_error_t) MSG_process_sleep(double nb_sec);
437 XBT_PUBLIC(void) MSG_task_set_flops_amount(msg_task_t task,
438 double flops_amount);
439 XBT_PUBLIC(double) MSG_task_get_flops_amount(msg_task_t task);
440 XBT_PUBLIC(void) MSG_task_set_bytes_amount(msg_task_t task,
441 double bytes_amount);
443 XBT_PUBLIC(double) MSG_task_get_remaining_communication(msg_task_t task);
444 XBT_PUBLIC(int) MSG_task_is_latency_bounded(msg_task_t task);
445 XBT_PUBLIC(double) MSG_task_get_bytes_amount(msg_task_t task);
448 XBT_PUBLIC(msg_error_t)
449 MSG_task_receive_ext(msg_task_t * task, const char *alias, double timeout,
452 XBT_PUBLIC(msg_error_t)
453 MSG_task_receive_with_timeout(msg_task_t * task, const char *alias,
456 XBT_PUBLIC(msg_error_t)
457 MSG_task_receive(msg_task_t * task, const char *alias);
458 #define MSG_task_recv(t,a) MSG_task_receive(t,a)
462 XBT_PUBLIC(msg_error_t)
463 MSG_task_receive_ext_bounded(msg_task_t * task, const char *alias, double timeout,
464 msg_host_t host, double rate);
466 XBT_PUBLIC(msg_error_t)
467 MSG_task_receive_with_timeout_bounded(msg_task_t * task, const char *alias,
468 double timeout, double rate);
470 XBT_PUBLIC(msg_error_t)
471 MSG_task_receive_bounded(msg_task_t * task, const char *alias,double rate);
472 #define MSG_task_recv_bounded(t,a,r) MSG_task_receive_bounded(t,a,r)
474 XBT_PUBLIC(msg_comm_t) MSG_task_isend(msg_task_t task, const char *alias);
475 XBT_PUBLIC(msg_comm_t) MSG_task_isend_bounded(msg_task_t task, const char *alias, double maxrate);
476 XBT_PUBLIC(msg_comm_t) MSG_task_isend_with_matching(msg_task_t task,
478 int (*match_fun)(void*,void*, smx_synchro_t),
481 XBT_PUBLIC(void) MSG_task_dsend(msg_task_t task, const char *alias, void_f_pvoid_t cleanup);
482 XBT_PUBLIC(void) MSG_task_dsend_bounded(msg_task_t task, const char *alias, void_f_pvoid_t cleanup, double maxrate);
483 XBT_PUBLIC(msg_comm_t) MSG_task_irecv(msg_task_t * task, const char *alias);
484 XBT_PUBLIC(msg_comm_t) MSG_task_irecv_bounded(msg_task_t * task, const char *alias, double rate);
485 XBT_PUBLIC(int) MSG_comm_test(msg_comm_t comm);
486 XBT_PUBLIC(int) MSG_comm_testany(xbt_dynar_t comms);
487 XBT_PUBLIC(void) MSG_comm_destroy(msg_comm_t comm);
488 XBT_PUBLIC(msg_error_t) MSG_comm_wait(msg_comm_t comm, double timeout);
489 XBT_PUBLIC(void) MSG_comm_waitall(msg_comm_t * comm, int nb_elem,
491 XBT_PUBLIC(int) MSG_comm_waitany(xbt_dynar_t comms);
492 XBT_PUBLIC(msg_task_t) MSG_comm_get_task(msg_comm_t comm);
493 XBT_PUBLIC(msg_error_t) MSG_comm_get_status(msg_comm_t comm);
495 XBT_PUBLIC(int) MSG_task_listen(const char *alias);
497 XBT_PUBLIC(int) MSG_task_listen_from_host(const char *alias,
500 XBT_PUBLIC(msg_error_t)
501 MSG_task_send_with_timeout(msg_task_t task, const char *alias,
504 XBT_PUBLIC(msg_error_t)
505 MSG_task_send_with_timeout_bounded(msg_task_t task, const char *alias,
506 double timeout, double maxrate);
508 XBT_PUBLIC(msg_error_t)
509 MSG_task_send(msg_task_t task, const char *alias);
511 XBT_PUBLIC(msg_error_t)
512 MSG_task_send_bounded(msg_task_t task, const char *alias, double rate);
514 XBT_PUBLIC(int) MSG_task_listen_from(const char *alias);
516 XBT_PUBLIC(void) MSG_task_set_category (msg_task_t task, const char *category);
517 XBT_PUBLIC(const char *) MSG_task_get_category (msg_task_t task);
519 /************************** Task handling ************************************/
520 XBT_PUBLIC(msg_error_t)
521 MSG_mailbox_get_task_ext(msg_mailbox_t mailbox, msg_task_t * task,
522 msg_host_t host, double timeout);
524 XBT_PUBLIC(msg_error_t)
525 MSG_mailbox_get_task_ext_bounded(msg_mailbox_t mailbox, msg_task_t *task,
526 msg_host_t host, double timeout, double rate);
528 XBT_PUBLIC(msg_error_t)
529 MSG_mailbox_put_with_timeout(msg_mailbox_t mailbox, msg_task_t task,
532 XBT_PUBLIC(void) MSG_mailbox_set_async(const char *alias);
535 /************************** Action handling **********************************/
536 XBT_PUBLIC(msg_error_t) MSG_action_trace_run(char *path);
537 XBT_PUBLIC(void) MSG_action_init(void);
538 XBT_PUBLIC(void) MSG_action_exit(void);
540 #ifdef MSG_USE_DEPRECATED
542 typedef msg_error_t MSG_error_t;
544 #define MSG_global_init(argc, argv) MSG_init(argc,argv)
545 #define MSG_global_init_args(argc, argv) MSG_init(argc,argv)
547 /* these are the functions which are deprecated. Do not use them, they may get removed in future releases */
548 XBT_PUBLIC(msg_host_t *) MSG_get_host_table(void);
550 #define MSG_host_is_avail(h) MSG_host_is_on(h)
552 #define MSG_TIMEOUT_FAILURE MSG_TIMEOUT
553 #define MSG_TASK_CANCELLED MSG_TASK_CANCELED
554 #define MSG_mailbox_put_with_time_out(mailbox, task, timeout) \
555 MSG_mailbox_put_with_timeout(mailbox, task, timeout)
557 #define MSG_process_change_host(h) MSG_process_migrate(MSG_process_self(),h);
558 XBT_PUBLIC(msg_error_t) MSG_get_errno(void);
560 XBT_PUBLIC(msg_error_t) MSG_clean(void);
562 XBT_PUBLIC(msg_error_t) MSG_task_get(msg_task_t * task, m_channel_t channel);
563 XBT_PUBLIC(msg_error_t) MSG_task_get_with_timeout(msg_task_t * task,
565 double max_duration);
566 XBT_PUBLIC(msg_error_t) MSG_task_get_from_host(msg_task_t * task,
567 int channel, msg_host_t host);
568 XBT_PUBLIC(msg_error_t) MSG_task_get_ext(msg_task_t * task, int channel,
571 XBT_PUBLIC(msg_error_t) MSG_task_put(msg_task_t task, msg_host_t dest,
572 m_channel_t channel);
573 XBT_PUBLIC(msg_error_t) MSG_task_put_bounded(msg_task_t task,
577 XBT_PUBLIC(msg_error_t) MSG_task_put_with_timeout(msg_task_t task,
580 double max_duration);
581 XBT_PUBLIC(int) MSG_task_Iprobe(m_channel_t channel);
582 XBT_PUBLIC(int) MSG_task_probe_from(m_channel_t channel);
583 XBT_PUBLIC(int) MSG_task_probe_from_host(int channel, msg_host_t host);
585 XBT_PUBLIC(msg_error_t) MSG_set_channel_number(int number);
586 XBT_PUBLIC(int) MSG_get_channel_number(void);
589 /** @brief Opaque type representing a semaphore
590 * @ingroup msg_synchro
593 typedef struct s_smx_sem *msg_sem_t; // Yeah that's a rename of the smx_sem_t which doesnt require smx_sem_t to be declared here
594 XBT_PUBLIC(msg_sem_t) MSG_sem_init(int initial_value);
595 XBT_PUBLIC(void) MSG_sem_acquire(msg_sem_t sem);
596 XBT_PUBLIC(msg_error_t) MSG_sem_acquire_timeout(msg_sem_t sem, double timeout);
597 XBT_PUBLIC(void) MSG_sem_release(msg_sem_t sem);
598 XBT_PUBLIC(void) MSG_sem_get_capacity(msg_sem_t sem);
599 XBT_PUBLIC(void) MSG_sem_destroy(msg_sem_t sem);
600 XBT_PUBLIC(int) MSG_sem_would_block(msg_sem_t sem);
602 /** @brief Opaque type representing a barrier identifier
603 * @ingroup msg_synchro
607 #define MSG_BARRIER_SERIAL_PROCESS -1
608 typedef struct s_xbt_bar *msg_bar_t;
609 XBT_PUBLIC(msg_bar_t) MSG_barrier_init( unsigned int count);
610 XBT_PUBLIC(void) MSG_barrier_destroy(msg_bar_t bar);
611 XBT_PUBLIC(int) MSG_barrier_wait(msg_bar_t bar);
613 /** @brief Opaque type describing a Virtual Machine.
616 * All this is highly experimental and the interface will probably change in the future.
617 * Please don't depend on this yet (although testing is welcomed if you feel so).
618 * Usual lack of guaranty of any kind applies here, and is even increased.
622 XBT_PUBLIC(int) MSG_vm_is_created(msg_vm_t);
623 XBT_PUBLIC(int) MSG_vm_is_running(msg_vm_t);
624 XBT_PUBLIC(int) MSG_vm_is_migrating(msg_vm_t);
626 XBT_PUBLIC(int) MSG_vm_is_suspended(msg_vm_t);
627 XBT_PUBLIC(int) MSG_vm_is_saving(msg_vm_t);
628 XBT_PUBLIC(int) MSG_vm_is_saved(msg_vm_t);
629 XBT_PUBLIC(int) MSG_vm_is_restoring(msg_vm_t);
632 XBT_PUBLIC(const char*) MSG_vm_get_name(msg_vm_t);
634 // TODO add VDI later
635 XBT_PUBLIC(msg_vm_t) MSG_vm_create_core(msg_host_t location, const char *name);
636 XBT_PUBLIC(msg_vm_t) MSG_vm_create(msg_host_t ind_pm, const char *name,
637 int core_nb, int mem_cap, int net_cap, char *disk_path, int disk_size, int mig_netspeed, int dp_intensity);
639 XBT_PUBLIC(void) MSG_vm_destroy(msg_vm_t vm);
641 XBT_PUBLIC(void) MSG_vm_start(msg_vm_t);
643 /* Shutdown the guest operating system. */
644 XBT_PUBLIC(void) MSG_vm_shutdown(msg_vm_t vm);
646 XBT_PUBLIC(void) MSG_vm_migrate(msg_vm_t vm, msg_host_t destination);
648 /* Suspend the execution of the VM, but keep its state on memory. */
649 XBT_PUBLIC(void) MSG_vm_suspend(msg_vm_t vm);
650 XBT_PUBLIC(void) MSG_vm_resume(msg_vm_t vm);
652 /* Save the VM state to a disk. */
653 XBT_PUBLIC(void) MSG_vm_save(msg_vm_t vm);
654 XBT_PUBLIC(void) MSG_vm_restore(msg_vm_t vm);
656 XBT_PUBLIC(msg_host_t) MSG_vm_get_pm(msg_vm_t vm);
657 XBT_PUBLIC(void) MSG_vm_set_bound(msg_vm_t vm, double bound);
658 XBT_PUBLIC(void) MSG_vm_set_affinity(msg_vm_t vm, msg_host_t pm, unsigned long mask);
660 /* TODO: do we need this? */
661 // XBT_PUBLIC(xbt_dynar_t) MSG_vms_as_dynar(void);
664 void* MSG_process_get_property(msg_process_t, char* key)
665 void MSG_process_set_property(msg_process_t, char* key, void* data)
666 void MSG_vm_set_property(msg_vm_t, char* key, void* data)
668 void MSG_vm_setMemoryUsed(msg_vm_t vm, double size);
669 void MSG_vm_setCpuUsed(msg_vm_t vm, double inducedLoad);
670 // inducedLoad: un pourcentage (>100 si ca charge plus d'un coeur;
671 // <100 si c'est pas CPU intensive)
672 // Contraintes à poser:
673 // HOST_Power >= CpuUsedVm (\forall VM) + CpuUsedTask (\forall Task)
674 // VM_coreAmount >= Load de toutes les tasks
678 xbt_dynar_t<msg_vm_t> MSG_vm_get_list_from_host(msg_host_t)
679 xbt_dynar_t<msg_vm_t> MSG_vm_get_list_from_hosts(msg_dynar_t<msg_host_t>)
680 + des fonctions de filtrage sur les dynar
682 #include "simgrid/instr.h"
686 /* ****************************************************************************************** */
687 /* Used only by the bindings -- unclean pimple, please ignore if you're not writing a binding */
688 XBT_PUBLIC(smx_context_t) MSG_process_get_smx_ctx(msg_process_t process);