1 /* Copyright (c) 2004-2012. The SimGrid Team. All rights reserved. */
3 /* This program is free software; you can redistribute it and/or modify it
4 * under the terms of the license (GNU LGPL) which comes with this package. */
11 #include "msg/datatypes.h"
13 #include "simgrid/simix.h"
17 /** @brief Return code of most MSG functions
18 @ingroup msg_simulation
20 /* Keep these code as binary values: java bindings manipulate | of these values */
22 MSG_OK = 0, /**< @brief Everything is right. Keep on going this way ! */
23 MSG_TIMEOUT = 1, /**< @brief nothing good happened before the timer you provided elapsed */
24 MSG_TRANSFER_FAILURE = 2, /**< @brief There has been a problem during you task
25 transfer. Either the network is down or the remote host has been
27 MSG_HOST_FAILURE = 4, /**< @brief System shutdown. The host on which you are
28 running has just been rebooted. Free your datastructures and
30 MSG_TASK_CANCELED = 8 /**< @brief Canceled task. This task has been canceled by somebody!*/
34 typedef msg_error_t MSG_error_t;
36 /************************** Global ******************************************/
37 XBT_PUBLIC(void) MSG_config(const char *name, ...);
38 /** \ingroup msg_simulation
39 * \brief Initialize the MSG internal data.
42 * It also check that the link-time and compile-time versions of SimGrid do
43 * match, so you should use this version instead of the #MSG_init_nocheck
44 * function that does the same initializations, but without this check.
46 * We allow to link against compiled versions that differ in the patch level.
48 #define MSG_init(argc,argv) { \
49 int ver_major,ver_minor,ver_patch; \
50 sg_version(&ver_major,&ver_minor,&ver_patch); \
51 if ((ver_major != SIMGRID_VERSION_MAJOR) || \
52 (ver_minor != SIMGRID_VERSION_MINOR)) { \
53 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", \
54 SIMGRID_VERSION_MAJOR,SIMGRID_VERSION_MINOR,SIMGRID_VERSION_PATCH,ver_major,ver_minor,ver_patch); \
56 MSG_init_nocheck(argc,argv); \
59 XBT_PUBLIC(void) MSG_init_nocheck(int *argc, char **argv);
60 XBT_PUBLIC(msg_error_t) MSG_main(void);
61 XBT_PUBLIC(msg_error_t) MSG_clean(void);
62 XBT_PUBLIC(void) MSG_function_register(const char *name,
63 xbt_main_func_t code);
64 XBT_PUBLIC(void) MSG_function_register_default(xbt_main_func_t code);
65 XBT_PUBLIC(xbt_main_func_t) MSG_get_registered_function(const char *name);
66 XBT_PUBLIC(void) MSG_launch_application(const char *file);
67 /*Bypass the parser */
68 XBT_PUBLIC(void) MSG_set_function(const char *host_id,
69 const char *function_name,
70 xbt_dynar_t arguments);
72 XBT_PUBLIC(double) MSG_get_clock(void);
73 XBT_PUBLIC(unsigned long int) MSG_get_sent_msg(void);
76 /************************** File handling ***********************************/
77 XBT_PUBLIC(double) MSG_file_read(void* ptr, size_t size, size_t nmemb, msg_file_t stream);
78 XBT_PUBLIC(size_t) MSG_file_write(const void* ptr, size_t size, size_t nmemb, msg_file_t stream);
79 XBT_PUBLIC(msg_file_t) MSG_file_open(const char* mount, const char* path, const char* mode);
80 XBT_PUBLIC(int) MSG_file_close(msg_file_t fp);
81 XBT_PUBLIC(int) MSG_file_stat(msg_file_t fd, s_msg_stat_t *buf);
84 /************************** Host handling ***********************************/
85 XBT_PUBLIC(msg_error_t) MSG_host_set_data(msg_host_t host, void *data);
86 XBT_PUBLIC(void *) MSG_host_get_data(msg_host_t host);
87 XBT_PUBLIC(const char *) MSG_host_get_name(msg_host_t host);
88 XBT_PUBLIC(msg_host_t) MSG_host_self(void);
89 XBT_PUBLIC(int) MSG_get_host_msgload(msg_host_t host);
90 /* int MSG_get_msgload(void); This function lacks specification; discard it */
91 XBT_PUBLIC(double) MSG_get_host_speed(msg_host_t h);
92 XBT_PUBLIC(int) MSG_host_is_avail(msg_host_t h);
93 XBT_PUBLIC(void) __MSG_host_destroy(msg_host_t host);
96 XBT_PUBLIC(xbt_dict_t) MSG_host_get_properties(msg_host_t host);
97 XBT_PUBLIC(const char *) MSG_host_get_property_value(msg_host_t host,
99 XBT_PUBLIC(void) MSG_host_set_property_value(msg_host_t host,
100 const char *name, char *value,
101 void_f_pvoid_t free_ctn);
104 XBT_PUBLIC(void) MSG_create_environment(const char *file);
105 XBT_PUBLIC(void) MSG_load_platform_script(const char *script_file);
107 XBT_PUBLIC(msg_host_t) MSG_get_host_by_name(const char *name);
108 XBT_PUBLIC(xbt_dynar_t) MSG_hosts_as_dynar(void);
110 /************************** Process handling *********************************/
111 XBT_PUBLIC(msg_process_t) MSG_process_create(const char *name,
112 xbt_main_func_t code,
113 void *data, msg_host_t host);
114 XBT_PUBLIC(msg_process_t) MSG_process_create_with_arguments(const char *name,
120 XBT_PUBLIC(msg_process_t) MSG_process_create_with_environment(const char
130 XBT_PUBLIC(void) MSG_process_kill(msg_process_t process);
131 XBT_PUBLIC(int) MSG_process_killall(int reset_PIDs);
133 XBT_PUBLIC(msg_error_t) MSG_process_migrate(msg_process_t process, msg_host_t host);
135 XBT_PUBLIC(void *) MSG_process_get_data(msg_process_t process);
136 XBT_PUBLIC(msg_error_t) MSG_process_set_data(msg_process_t process,
138 XBT_PUBLIC(void) MSG_process_set_data_cleanup(void_f_pvoid_t data_cleanup);
139 XBT_PUBLIC(msg_host_t) MSG_process_get_host(msg_process_t process);
140 XBT_PUBLIC(msg_process_t) MSG_process_from_PID(int PID);
141 XBT_PUBLIC(int) MSG_process_get_PID(msg_process_t process);
142 XBT_PUBLIC(int) MSG_process_get_PPID(msg_process_t process);
143 XBT_PUBLIC(const char *) MSG_process_get_name(msg_process_t process);
144 XBT_PUBLIC(int) MSG_process_self_PID(void);
145 XBT_PUBLIC(int) MSG_process_self_PPID(void);
146 XBT_PUBLIC(msg_process_t) MSG_process_self(void);
147 XBT_PUBLIC(xbt_dynar_t) MSG_processes_as_dynar(void);
148 XBT_PUBLIC(msg_error_t) MSG_process_set_kill_time(msg_process_t process, double kill_time);
150 /*property handlers*/
151 XBT_PUBLIC(xbt_dict_t) MSG_process_get_properties(msg_process_t process);
152 XBT_PUBLIC(const char *) MSG_process_get_property_value(msg_process_t
156 XBT_PUBLIC(msg_error_t) MSG_process_suspend(msg_process_t process);
157 XBT_PUBLIC(msg_error_t) MSG_process_resume(msg_process_t process);
158 XBT_PUBLIC(int) MSG_process_is_suspended(msg_process_t process);
159 XBT_PUBLIC(void) MSG_process_on_exit(int_f_pvoid_t fun, void *data);
160 XBT_PUBLIC(void) MSG_process_auto_restart_set(msg_process_t process, int auto_restart);
162 /************************** Task handling ************************************/
163 XBT_PUBLIC(msg_task_t) MSG_task_create(const char *name,
164 double compute_duration,
165 double message_size, void *data);
166 XBT_PUBLIC(msg_gpu_task_t) MSG_gpu_task_create(const char *name,
167 double compute_duration,
168 double dispatch_latency,
169 double collect_latency);
170 XBT_PUBLIC(msg_task_t) MSG_parallel_task_create(const char *name,
172 const msg_host_t * host_list,
173 double *computation_amount,
174 double *communication_amount,
176 XBT_PUBLIC(void *) MSG_task_get_data(msg_task_t task);
177 XBT_PUBLIC(void) MSG_task_set_data(msg_task_t task, void *data);
178 XBT_PUBLIC(void) MSG_task_set_copy_callback(void (*callback) (
179 msg_task_t task, msg_process_t src, msg_process_t dst));
180 XBT_PUBLIC(msg_process_t) MSG_task_get_sender(msg_task_t task);
181 XBT_PUBLIC(msg_host_t) MSG_task_get_source(msg_task_t task);
182 XBT_PUBLIC(const char *) MSG_task_get_name(msg_task_t task);
183 XBT_PUBLIC(void) MSG_task_set_name(msg_task_t task, const char *name);
184 XBT_PUBLIC(msg_error_t) MSG_task_cancel(msg_task_t task);
185 XBT_PUBLIC(msg_error_t) MSG_task_destroy(msg_task_t task);
187 XBT_PUBLIC(msg_error_t) MSG_task_receive_from_host(msg_task_t * task, const char *alias,
190 XBT_PUBLIC(msg_error_t) MSG_task_execute(msg_task_t task);
191 XBT_PUBLIC(msg_error_t) MSG_parallel_task_execute(msg_task_t task);
192 XBT_PUBLIC(void) MSG_task_set_priority(msg_task_t task, double priority);
194 XBT_PUBLIC(msg_error_t) MSG_process_sleep(double nb_sec);
196 XBT_PUBLIC(double) MSG_task_get_compute_duration(msg_task_t task);
197 XBT_PUBLIC(void) MSG_task_set_compute_duration(msg_task_t task,
198 double compute_duration);
199 XBT_PUBLIC(double) MSG_task_get_remaining_computation(msg_task_t task);
200 XBT_PUBLIC(double) MSG_task_get_remaining_communication(msg_task_t task);
201 XBT_PUBLIC(int) MSG_task_is_latency_bounded(msg_task_t task);
202 XBT_PUBLIC(double) MSG_task_get_data_size(msg_task_t task);
205 XBT_PUBLIC(msg_error_t)
206 MSG_task_receive_ext(msg_task_t * task, const char *alias, double timeout,
209 XBT_PUBLIC(msg_error_t)
210 MSG_task_receive_with_timeout(msg_task_t * task, const char *alias,
213 XBT_PUBLIC(msg_error_t)
214 MSG_task_receive(msg_task_t * task, const char *alias);
215 #define MSG_task_recv(t,a) MSG_task_receive(t,a)
217 XBT_PUBLIC(msg_comm_t) MSG_task_isend(msg_task_t task, const char *alias);
218 XBT_PUBLIC(msg_comm_t) MSG_task_isend_with_matching(msg_task_t task,
220 int (*match_fun)(void*,void*, smx_action_t),
223 XBT_PUBLIC(void) MSG_task_dsend(msg_task_t task, const char *alias, void_f_pvoid_t cleanup);
224 XBT_PUBLIC(msg_comm_t) MSG_task_irecv(msg_task_t * task, const char *alias);
225 XBT_PUBLIC(int) MSG_comm_test(msg_comm_t comm);
226 XBT_PUBLIC(int) MSG_comm_testany(xbt_dynar_t comms);
227 XBT_PUBLIC(void) MSG_comm_destroy(msg_comm_t comm);
228 XBT_PUBLIC(msg_error_t) MSG_comm_wait(msg_comm_t comm, double timeout);
229 XBT_PUBLIC(void) MSG_comm_waitall(msg_comm_t * comm, int nb_elem,
231 XBT_PUBLIC(int) MSG_comm_waitany(xbt_dynar_t comms);
232 XBT_PUBLIC(msg_task_t) MSG_comm_get_task(msg_comm_t comm);
233 XBT_PUBLIC(msg_error_t) MSG_comm_get_status(msg_comm_t comm);
235 XBT_PUBLIC(int) MSG_task_listen(const char *alias);
237 XBT_PUBLIC(int) MSG_task_listen_from_host(const char *alias,
240 XBT_PUBLIC(msg_error_t)
241 MSG_task_send_with_timeout(msg_task_t task, const char *alias,
244 XBT_PUBLIC(msg_error_t)
245 MSG_task_send(msg_task_t task, const char *alias);
247 XBT_PUBLIC(msg_error_t)
248 MSG_task_send_bounded(msg_task_t task, const char *alias, double rate);
250 XBT_PUBLIC(int) MSG_task_listen_from(const char *alias);
252 XBT_PUBLIC(void) MSG_task_set_category (msg_task_t task, const char *category);
253 XBT_PUBLIC(const char *) MSG_task_get_category (msg_task_t task);
255 /************************** Task handling ************************************/
256 XBT_PUBLIC(msg_error_t)
257 MSG_mailbox_get_task_ext(msg_mailbox_t mailbox, msg_task_t * task,
258 msg_host_t host, double timeout);
260 XBT_PUBLIC(msg_error_t)
261 MSG_mailbox_put_with_timeout(msg_mailbox_t mailbox, msg_task_t task,
264 /************************** Action handling **********************************/
265 msg_error_t MSG_action_trace_run(char *path);
267 #ifdef MSG_USE_DEPRECATED
268 #define MSG_global_init(argc, argv) MSG_init(argc,argv)
269 #define MSG_global_init_args(argc, argv) MSG_init(argc,argv)
271 /* these are the functions which are deprecated. Do not use them, they may get removed in future releases */
272 XBT_PUBLIC(int) MSG_get_host_number(void);
273 XBT_PUBLIC(msg_host_t *) MSG_get_host_table(void);
275 #define MSG_TIMEOUT_FAILURE MSG_TIMEOUT
276 #define MSG_TASK_CANCELLED MSG_TASK_CANCELED
277 #define MSG_mailbox_put_with_time_out(mailbox, task, timeout) \
278 MSG_mailbox_put_with_timeout(mailbox, task, timeout)
280 #define MSG_process_change_host(h) MSG_process_migrate(MSG_process_self(),h);
281 XBT_PUBLIC(msg_error_t) MSG_get_errno(void);
283 XBT_PUBLIC(msg_error_t) MSG_task_get(msg_task_t * task, m_channel_t channel);
284 XBT_PUBLIC(msg_error_t) MSG_task_get_with_timeout(msg_task_t * task,
286 double max_duration);
287 XBT_PUBLIC(msg_error_t) MSG_task_get_from_host(msg_task_t * task,
288 int channel, msg_host_t host);
289 XBT_PUBLIC(msg_error_t) MSG_task_get_ext(msg_task_t * task, int channel,
292 XBT_PUBLIC(msg_error_t) MSG_task_put(msg_task_t task, msg_host_t dest,
293 m_channel_t channel);
294 XBT_PUBLIC(msg_error_t) MSG_task_put_bounded(msg_task_t task,
298 XBT_PUBLIC(msg_error_t) MSG_task_put_with_timeout(msg_task_t task,
301 double max_duration);
302 XBT_PUBLIC(int) MSG_task_Iprobe(m_channel_t channel);
303 XBT_PUBLIC(int) MSG_task_probe_from(m_channel_t channel);
304 XBT_PUBLIC(int) MSG_task_probe_from_host(int channel, msg_host_t host);
306 XBT_PUBLIC(msg_error_t) MSG_set_channel_number(int number);
307 XBT_PUBLIC(int) MSG_get_channel_number(void);
310 #include "instr/instr.h"
312 /** @brief Opaque type describing a Virtual Machine.
315 * All this is highly experimental and the interface will probably change in the future.
316 * Please don't depend on this yet (although testing is welcomed if you feel so).
317 * Usual lack of guaranty of any kind applies here, and is even increased.
320 typedef struct msg_vm *msg_vm_t;
321 /* This function should not be called directly, but rather from MSG_vm_start_from_template that does not exist yet*/
322 XBT_PUBLIC(msg_vm_t) MSG_vm_start(msg_host_t location, int coreAmount);
324 XBT_PUBLIC(int) MSG_vm_is_suspended(msg_vm_t);
325 XBT_PUBLIC(int) MSG_vm_is_running(msg_vm_t);
327 XBT_PUBLIC(void) MSG_vm_bind(msg_vm_t vm, msg_process_t process);
328 XBT_PUBLIC(void) MSG_vm_unbind(msg_vm_t vm, msg_process_t process); // simple wrapper over process_kill
330 XBT_PUBLIC(void) MSG_vm_migrate(msg_vm_t vm, msg_host_t destination);
332 XBT_PUBLIC(void) MSG_vm_suspend(msg_vm_t vm);
333 // \forall p in VM, MSG_process_suspend(p) // Freeze the processes
335 XBT_PUBLIC(void) MSG_vm_resume(msg_vm_t vm); // Simulate the fact of reading the processes from disk and resuming them
336 // \forall p in VM, MSG_process_resume(p) // unfreeze them
338 XBT_PUBLIC(void) MSG_vm_shutdown(msg_vm_t vm); // killall
340 XBT_PUBLIC(void) MSG_vm_destroy(msg_vm_t vm);
342 XBT_PUBLIC(xbt_dynar_t) MSG_vms_as_dynar(void);
345 void* MSG_process_get_property(msg_process_t, char* key)
346 void MSG_process_set_property(msg_process_t, char* key, void* data)
347 void MSG_vm_set_property(msg_vm_t, char* key, void* data)
349 void MSG_vm_setMemoryUsed(msg_vm_t vm, double size);
350 void MSG_vm_setCpuUsed(msg_vm_t vm, double inducedLoad);
351 // inducedLoad: un pourcentage (>100 si ca charge plus d'un coeur;
352 // <100 si c'est pas CPU intensive)
353 // Contraintes à poser:
354 // HOST_Power >= CpuUsedVm (\forall VM) + CpuUsedTask (\forall Task)
355 // VM_coreAmount >= Load de toutes les tasks
359 xbt_dynar_t<msg_vm_t> MSG_vm_get_list_from_host(msg_host_t)
360 xbt_dynar_t<msg_vm_t> MSG_vm_get_list_from_hosts(msg_dynar_t<msg_host_t>)
361 + des fonctions de filtrage sur les dynar
365 /* ****************************************************************************************** */
366 /* Used only by the bindings -- unclean pimple, please ignore if you're not writing a binding */
367 XBT_PUBLIC(smx_context_t) MSG_process_get_smx_ctx(msg_process_t process);