1 /* Copyright (c) 2004-2018. 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. */
9 #include <simgrid/actor.h>
10 #include <simgrid/forward.h>
11 #include <simgrid/host.h>
12 #include <simgrid/instr.h>
13 #include <simgrid/plugins/live_migration.h>
14 #include <simgrid/storage.h>
15 #include <simgrid/vm.h>
16 #include <simgrid/zone.h>
21 #include <simgrid/simix.h>
27 typedef simgrid::msg::Comm sg_msg_Comm;
29 typedef struct msg_Comm sg_msg_Comm;
34 /* *************************** Network Zones ******************************** */
35 #define msg_as_t msg_netzone_t /* portability macro */
36 typedef sg_netzone_t msg_netzone_t;
38 XBT_PUBLIC msg_netzone_t MSG_zone_get_root();
39 XBT_PUBLIC const char* MSG_zone_get_name(msg_netzone_t zone);
40 XBT_PUBLIC msg_netzone_t MSG_zone_get_by_name(const char* name);
41 XBT_PUBLIC void MSG_zone_get_sons(msg_netzone_t zone, xbt_dict_t whereto);
42 XBT_PUBLIC const char* MSG_zone_get_property_value(msg_netzone_t zone, const char* name);
43 XBT_PUBLIC void MSG_zone_set_property_value(msg_netzone_t zone, const char* name, char* value);
44 XBT_PUBLIC void MSG_zone_get_hosts(msg_netzone_t zone, xbt_dynar_t whereto);
46 /* ******************************** Hosts ************************************ */
47 typedef sg_host_t msg_host_t;
49 XBT_PUBLIC size_t MSG_get_host_number();
50 XBT_PUBLIC sg_host_t MSG_get_host_by_name(const char* name);
51 XBT_PUBLIC sg_host_t MSG_host_by_name(const char* name);
53 XBT_PUBLIC xbt_dynar_t MSG_hosts_as_dynar();
55 XBT_PUBLIC const char* MSG_host_get_name(sg_host_t host);
56 XBT_PUBLIC void* MSG_host_get_data(sg_host_t host);
57 XBT_PUBLIC void MSG_host_set_data(sg_host_t host, void* data);
58 XBT_PUBLIC xbt_dict_t MSG_host_get_mounted_storage_list(sg_host_t host);
59 XBT_PUBLIC xbt_dynar_t MSG_host_get_attached_storage_lists(sg_host_t host);
60 XBT_PUBLIC double MSG_host_get_speed(sg_host_t host);
61 XBT_PUBLIC double MSG_host_get_power_peak_at(sg_host_t host, int pstate_index);
62 XBT_PUBLIC int MSG_host_get_core_number(sg_host_t host);
63 XBT_PUBLIC int MSG_host_get_nb_pstates(sg_host_t host);
64 XBT_PUBLIC int MSG_host_get_pstate(sg_host_t host);
65 XBT_PUBLIC void MSG_host_set_pstate(sg_host_t host, int pstate);
66 XBT_PUBLIC void MSG_host_on(sg_host_t h);
67 XBT_PUBLIC void MSG_host_off(sg_host_t h);
68 XBT_PUBLIC int MSG_host_is_on(sg_host_t h);
69 XBT_PUBLIC int MSG_host_is_off(sg_host_t h);
70 XBT_PUBLIC xbt_dict_t MSG_host_get_properties(sg_host_t host);
71 XBT_PUBLIC const char* MSG_host_get_property_value(sg_host_t host, const char* name);
72 XBT_PUBLIC void MSG_host_set_property_value(sg_host_t host, const char* name, const char* value);
73 XBT_PUBLIC void MSG_host_get_process_list(sg_host_t host, xbt_dynar_t whereto);
75 XBT_PUBLIC sg_host_t MSG_host_self();
77 /* ******************************** VMs ************************************* */
78 typedef sg_vm_t msg_vm_t;
80 XBT_ATTRIB_DEPRECATED_v322("Use sg_vm_create_migratable() from the live migration plugin: "
81 "v3.22 will drop MSG_vm_create() completely.") XBT_PUBLIC sg_vm_t
82 MSG_vm_create(sg_host_t ind_pm, const char* name, int coreAmount, int ramsize, int mig_netspeed, int dp_intensity);
84 XBT_PUBLIC msg_vm_t MSG_vm_create_core(msg_host_t pm, const char* name);
85 XBT_PUBLIC msg_vm_t MSG_vm_create_multicore(msg_host_t pm, const char* name, int coreAmount);
87 XBT_PUBLIC int MSG_vm_is_created(msg_vm_t vm);
88 XBT_PUBLIC int MSG_vm_is_running(msg_vm_t vm);
89 XBT_PUBLIC int MSG_vm_is_suspended(msg_vm_t vm);
91 XBT_PUBLIC const char* MSG_vm_get_name(msg_vm_t vm);
92 XBT_PUBLIC void MSG_vm_set_ramsize(msg_vm_t vm, size_t size);
93 XBT_PUBLIC size_t MSG_vm_get_ramsize(msg_vm_t vm);
94 XBT_PUBLIC msg_host_t MSG_vm_get_pm(msg_vm_t vm);
95 XBT_PUBLIC void MSG_vm_set_bound(msg_vm_t vm, double bound);
97 XBT_PUBLIC void MSG_vm_start(msg_vm_t vm);
98 XBT_PUBLIC void MSG_vm_suspend(msg_vm_t vm);
99 XBT_PUBLIC void MSG_vm_resume(msg_vm_t vm);
100 XBT_PUBLIC void MSG_vm_shutdown(msg_vm_t vm);
101 XBT_PUBLIC void MSG_vm_destroy(msg_vm_t vm);
103 /* ******************************** Storage ********************************* */
104 typedef sg_storage_t msg_storage_t;
106 XBT_PUBLIC const char* MSG_storage_get_name(msg_storage_t storage);
107 XBT_PUBLIC msg_storage_t MSG_storage_get_by_name(const char* name);
108 XBT_PUBLIC xbt_dict_t MSG_storage_get_properties(msg_storage_t storage);
109 XBT_PUBLIC void MSG_storage_set_property_value(msg_storage_t storage, const char* name, const char* value);
110 XBT_PUBLIC const char* MSG_storage_get_property_value(msg_storage_t storage, const char* name);
111 XBT_PUBLIC xbt_dynar_t MSG_storages_as_dynar();
112 XBT_PUBLIC void MSG_storage_set_data(msg_storage_t storage, void* data);
113 XBT_PUBLIC void* MSG_storage_get_data(msg_storage_t storage);
114 XBT_PUBLIC const char* MSG_storage_get_host(msg_storage_t storage);
115 XBT_PUBLIC sg_size_t MSG_storage_read(msg_storage_t storage, sg_size_t size);
116 XBT_PUBLIC sg_size_t MSG_storage_write(msg_storage_t storage, sg_size_t size);
118 /* ******************************** Actor/process *************************** */
119 typedef sg_actor_t msg_process_t;
121 XBT_PUBLIC int MSG_process_get_PID(msg_process_t process);
122 XBT_PUBLIC int MSG_process_get_PPID(msg_process_t process);
123 XBT_PUBLIC const char* MSG_process_get_name(msg_process_t process);
124 XBT_PUBLIC sg_host_t MSG_process_get_host(msg_process_t process);
126 /*property handlers*/
127 XBT_PUBLIC xbt_dict_t MSG_process_get_properties(msg_process_t process);
128 XBT_PUBLIC const char* MSG_process_get_property_value(msg_process_t process, const char* name);
130 XBT_PUBLIC void MSG_process_suspend(msg_process_t process);
131 XBT_PUBLIC void MSG_process_resume(msg_process_t process);
132 XBT_PUBLIC int MSG_process_is_suspended(msg_process_t process);
133 XBT_PUBLIC void MSG_process_restart(msg_process_t process);
134 XBT_PUBLIC void MSG_process_daemonize(msg_process_t process);
135 XBT_PUBLIC void MSG_process_migrate(msg_process_t process, msg_host_t host);
136 XBT_PUBLIC void MSG_process_join(msg_process_t process, double timeout);
137 XBT_PUBLIC void MSG_process_kill(msg_process_t process);
138 XBT_PUBLIC void MSG_process_set_kill_time(msg_process_t process, double kill_time);
140 /* ******************************** File ************************************ */
141 typedef sg_file_t msg_file_t;
142 XBT_PUBLIC_DATA int sg_storage_max_file_descriptors;
145 * \brief @brief Communication action.
146 * \ingroup msg_task_usage
148 * Object representing an ongoing communication between processes. Such beast is usually obtained by using #MSG_task_isend, #MSG_task_irecv or friends.
150 typedef sg_msg_Comm* msg_comm_t;
152 /* ******************************** Task ************************************ */
154 typedef struct s_simdata_task_t* simdata_task_t;
156 typedef struct msg_task {
157 char* name; /**< @brief task name if any */
158 simdata_task_t simdata; /**< @brief simulator data */
159 void* data; /**< @brief user data */
160 long long int counter; /* task unique identifier for instrumentation */
161 char* category; /* task category for instrumentation */
164 /** @brief Task datatype.
165 @ingroup m_task_management
167 A <em>task</em> may then be defined by a <em>computing
168 amount</em>, a <em>message size</em> and some <em>private
172 typedef struct msg_task* msg_task_t;
174 /** \brief Default value for an uninitialized #msg_task_t.
175 \ingroup m_task_management
177 #define MSG_TASK_UNINITIALIZED NULL
179 /** @brief Return code of most MSG functions
180 @ingroup msg_simulation
182 /* Keep these code as binary values: java bindings manipulate | of these values */
184 MSG_OK = 0, /**< @brief Everything is right. Keep on going this way ! */
185 MSG_TIMEOUT = 1, /**< @brief nothing good happened before the timer you provided elapsed */
186 MSG_TRANSFER_FAILURE = 2, /**< @brief There has been a problem during you task
187 transfer. Either the network is down or the remote host has been
189 MSG_HOST_FAILURE = 4, /**< @brief System shutdown. The host on which you are
190 running has just been rebooted. Free your datastructures and
192 MSG_TASK_CANCELED = 8 /**< @brief Canceled task. This task has been canceled by somebody!*/
196 /************************** Global ******************************************/
197 XBT_PUBLIC void MSG_config(const char* key, const char* value);
198 /** \ingroup msg_simulation
199 * \brief Initialize the MSG internal data.
202 * It also check that the link-time and compile-time versions of SimGrid do
203 * match, so you should use this version instead of the #MSG_init_nocheck
204 * function that does the same initializations, but without this check.
206 * We allow to link against compiled versions that differ in the patch level.
208 #define MSG_init(argc,argv) do { \
209 sg_version_check(SIMGRID_VERSION_MAJOR,SIMGRID_VERSION_MINOR,SIMGRID_VERSION_PATCH);\
210 MSG_init_nocheck(argc,argv); \
213 XBT_PUBLIC void MSG_init_nocheck(int* argc, char** argv);
214 XBT_PUBLIC msg_error_t MSG_main();
215 XBT_PUBLIC void MSG_function_register(const char* name, xbt_main_func_t code);
216 XBT_PUBLIC void MSG_function_register_default(xbt_main_func_t code);
217 XBT_PUBLIC void MSG_create_environment(const char* file);
218 XBT_PUBLIC void MSG_launch_application(const char* file);
219 /*Bypass the parser */
220 XBT_PUBLIC void MSG_set_function(const char* host_id, const char* function_name, xbt_dynar_t arguments);
222 XBT_PUBLIC double MSG_get_clock();
223 XBT_PUBLIC unsigned long int MSG_get_sent_msg();
225 /************************** Process handling *********************************/
226 XBT_PUBLIC msg_process_t MSG_process_create(const char* name, xbt_main_func_t code, void* data, msg_host_t host);
227 XBT_PUBLIC msg_process_t MSG_process_create_with_arguments(const char* name, xbt_main_func_t code, void* data,
228 msg_host_t host, int argc, char** argv);
229 XBT_PUBLIC msg_process_t MSG_process_create_with_environment(const char* name, xbt_main_func_t code, void* data,
230 msg_host_t host, int argc, char** argv,
231 xbt_dict_t properties);
233 XBT_PUBLIC msg_process_t MSG_process_attach(const char* name, void* data, msg_host_t host, xbt_dict_t properties);
234 XBT_PUBLIC void MSG_process_detach();
236 XBT_PUBLIC int MSG_process_killall();
237 XBT_PUBLIC void MSG_process_yield();
239 XBT_PUBLIC void MSG_process_set_data_cleanup(void_f_pvoid_t data_cleanup);
240 XBT_PUBLIC msg_process_t MSG_process_from_PID(int PID);
241 XBT_PUBLIC int MSG_process_self_PID();
242 XBT_PUBLIC int MSG_process_self_PPID();
243 XBT_PUBLIC const char* MSG_process_self_name();
244 XBT_PUBLIC msg_process_t MSG_process_self();
245 XBT_PUBLIC xbt_dynar_t MSG_processes_as_dynar();
246 XBT_PUBLIC int MSG_process_get_number();
248 XBT_PUBLIC void* MSG_process_get_data(msg_process_t process);
249 XBT_PUBLIC msg_error_t MSG_process_set_data(msg_process_t process, void* data);
251 XBT_PUBLIC void MSG_process_on_exit(int_f_pvoid_pvoid_t fun, void* data);
252 XBT_PUBLIC void MSG_process_auto_restart_set(msg_process_t process, int auto_restart);
254 XBT_PUBLIC void MSG_process_ref(msg_process_t process);
255 XBT_PUBLIC void MSG_process_unref(msg_process_t process);
257 /************************** Task handling ************************************/
258 XBT_PUBLIC msg_task_t MSG_task_create(const char* name, double flops_amount, double bytes_amount, void* data);
259 XBT_PUBLIC msg_task_t MSG_parallel_task_create(const char* name, int host_nb, const msg_host_t* host_list,
260 double* flops_amount, double* bytes_amount, void* data);
261 XBT_PUBLIC void* MSG_task_get_data(msg_task_t task);
262 XBT_PUBLIC void MSG_task_set_data(msg_task_t task, void* data);
263 XBT_PUBLIC void MSG_task_set_copy_callback(void (*callback)(msg_task_t task, msg_process_t src, msg_process_t dst));
264 XBT_PUBLIC msg_process_t MSG_task_get_sender(msg_task_t task);
265 XBT_PUBLIC msg_host_t MSG_task_get_source(msg_task_t task);
266 XBT_PUBLIC const char* MSG_task_get_name(msg_task_t task);
267 XBT_PUBLIC void MSG_task_set_name(msg_task_t task, const char* name);
268 XBT_PUBLIC msg_error_t MSG_task_cancel(msg_task_t task);
269 XBT_PUBLIC msg_error_t MSG_task_destroy(msg_task_t task);
271 XBT_PUBLIC msg_error_t MSG_task_execute(msg_task_t task);
272 XBT_PUBLIC msg_error_t MSG_parallel_task_execute(msg_task_t task);
273 XBT_PUBLIC msg_error_t MSG_parallel_task_execute_with_timeout(msg_task_t task, double timeout);
274 XBT_PUBLIC void MSG_task_set_priority(msg_task_t task, double priority);
275 XBT_PUBLIC void MSG_task_set_bound(msg_task_t task, double bound);
277 XBT_PUBLIC msg_error_t MSG_process_sleep(double nb_sec);
279 XBT_PUBLIC void MSG_task_set_flops_amount(msg_task_t task, double flops_amount);
280 XBT_PUBLIC double MSG_task_get_flops_amount(msg_task_t task);
281 XBT_PUBLIC double MSG_task_get_remaining_work_ratio(msg_task_t task);
282 XBT_PUBLIC void MSG_task_set_bytes_amount(msg_task_t task, double bytes_amount);
284 XBT_PUBLIC double MSG_task_get_remaining_communication(msg_task_t task);
285 XBT_PUBLIC double MSG_task_get_bytes_amount(msg_task_t task);
287 XBT_PUBLIC msg_error_t MSG_task_receive_ext(msg_task_t* task, const char* alias, double timeout, msg_host_t host);
289 XBT_PUBLIC msg_error_t MSG_task_receive_with_timeout(msg_task_t* task, const char* alias, double timeout);
291 XBT_PUBLIC msg_error_t MSG_task_receive(msg_task_t* task, const char* alias);
292 #define MSG_task_recv(t,a) MSG_task_receive(t,a)
294 XBT_PUBLIC msg_error_t MSG_task_receive_ext_bounded(msg_task_t* task, const char* alias, double timeout,
295 msg_host_t host, double rate);
297 XBT_PUBLIC msg_error_t MSG_task_receive_with_timeout_bounded(msg_task_t* task, const char* alias, double timeout,
299 XBT_PUBLIC msg_error_t MSG_task_receive_bounded(msg_task_t* task, const char* alias, double rate);
300 #define MSG_task_recv_bounded(t,a,r) MSG_task_receive_bounded(t,a,r)
302 XBT_PUBLIC msg_comm_t MSG_task_isend(msg_task_t task, const char* alias);
303 XBT_PUBLIC msg_comm_t MSG_task_isend_bounded(msg_task_t task, const char* alias, double maxrate);
305 XBT_PUBLIC void MSG_task_dsend(msg_task_t task, const char* alias, void_f_pvoid_t cleanup);
306 XBT_PUBLIC void MSG_task_dsend_bounded(msg_task_t task, const char* alias, void_f_pvoid_t cleanup, double maxrate);
307 XBT_PUBLIC msg_comm_t MSG_task_irecv(msg_task_t* task, const char* alias);
308 XBT_PUBLIC msg_comm_t MSG_task_irecv_bounded(msg_task_t* task, const char* alias, double rate);
309 XBT_PUBLIC int MSG_comm_test(msg_comm_t comm);
310 XBT_PUBLIC int MSG_comm_testany(xbt_dynar_t comms);
311 XBT_PUBLIC void MSG_comm_destroy(msg_comm_t comm);
312 XBT_PUBLIC msg_error_t MSG_comm_wait(msg_comm_t comm, double timeout);
313 XBT_PUBLIC void MSG_comm_waitall(msg_comm_t* comm, int nb_elem, double timeout);
314 XBT_PUBLIC int MSG_comm_waitany(xbt_dynar_t comms);
315 XBT_PUBLIC msg_task_t MSG_comm_get_task(msg_comm_t comm);
316 XBT_PUBLIC msg_error_t MSG_comm_get_status(msg_comm_t comm);
318 XBT_PUBLIC int MSG_task_listen(const char* alias);
319 XBT_PUBLIC msg_error_t MSG_task_send_with_timeout(msg_task_t task, const char* alias, double timeout);
320 XBT_PUBLIC msg_error_t MSG_task_send_with_timeout_bounded(msg_task_t task, const char* alias, double timeout,
322 XBT_PUBLIC msg_error_t MSG_task_send(msg_task_t task, const char* alias);
323 XBT_PUBLIC msg_error_t MSG_task_send_bounded(msg_task_t task, const char* alias, double rate);
324 XBT_PUBLIC int MSG_task_listen_from(const char* alias);
325 XBT_PUBLIC void MSG_task_set_category(msg_task_t task, const char* category);
326 XBT_PUBLIC const char* MSG_task_get_category(msg_task_t task);
328 /************************** Mailbox handling ************************************/
330 /* @brief MSG_mailbox_set_async - set a mailbox as eager
331 * Sets the mailbox to a permanent receiver mode. Messages sent to this mailbox will then be sent just after the send
332 * is issued, without waiting for the corresponding receive.
333 * This call should be done before issuing any receive, and on the receiver's side only
334 * @param alias The alias of the mailbox to modify.
336 XBT_PUBLIC void MSG_mailbox_set_async(const char* alias);
338 /** @brief Opaque type representing a semaphore
339 * @ingroup msg_synchro
342 typedef struct s_smx_sem_t* msg_sem_t; // Yeah that's a rename of the smx_sem_t which doesnt require smx_sem_t to be
344 XBT_PUBLIC msg_sem_t MSG_sem_init(int initial_value);
345 XBT_PUBLIC void MSG_sem_acquire(msg_sem_t sem);
346 XBT_PUBLIC msg_error_t MSG_sem_acquire_timeout(msg_sem_t sem, double timeout);
347 XBT_PUBLIC void MSG_sem_release(msg_sem_t sem);
348 XBT_PUBLIC int MSG_sem_get_capacity(msg_sem_t sem);
349 XBT_PUBLIC void MSG_sem_destroy(msg_sem_t sem);
350 XBT_PUBLIC int MSG_sem_would_block(msg_sem_t sem);
352 /** @brief Opaque type representing a barrier identifier
353 * @ingroup msg_synchro
357 #define MSG_BARRIER_SERIAL_PROCESS -1
358 typedef struct s_msg_bar_t* msg_bar_t;
359 XBT_PUBLIC msg_bar_t MSG_barrier_init(unsigned int count);
360 XBT_PUBLIC void MSG_barrier_destroy(msg_bar_t bar);
361 XBT_PUBLIC int MSG_barrier_wait(msg_bar_t bar);
363 /* ****************************************************************************************** */
364 /* DO NOT USE this nasty pimple (unless if you're writing a binding) */
365 XBT_PUBLIC smx_context_t
366 XBT_ATTRIB_DEPRECATED_v323("MSG_process_get_smx_ctx is deprecated. Please contact us if you need it.")
367 MSG_process_get_smx_ctx(msg_process_t process);
372 XBT_PUBLIC msg_process_t MSG_process_create_from_stdfunc(const char* name, std::function<void()> code, void* data,
374 std::map<std::string, std::string>* properties);