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"
12 #include "xbt/automaton.h"
14 #include "simgrid/simix.h"
18 /** @brief Return code of most MSG functions
19 @ingroup msg_simulation
21 /* Keep these code as binary values: java bindings manipulate | of these values */
23 MSG_OK = 0, /**< @brief Everything is right. Keep on going this way ! */
24 MSG_TIMEOUT = 1, /**< @brief nothing good happened before the timer you provided elapsed */
25 MSG_TRANSFER_FAILURE = 2, /**< @brief There has been a problem during you task
26 transfer. Either the network is down or the remote host has been
28 MSG_HOST_FAILURE = 4, /**< @brief System shutdown. The host on which you are
29 running has just been rebooted. Free your datastructures and
31 MSG_TASK_CANCELED = 8 /**< @brief Canceled task. This task has been canceled by somebody!*/
36 /************************** Global ******************************************/
37 XBT_PUBLIC(void) MSG_config(const char *name, ...);
38 XBT_PUBLIC(void) MSG_global_init(int *argc, char **argv);
39 XBT_PUBLIC(void) MSG_global_init_args(int *argc, char **argv);
40 XBT_PUBLIC(MSG_error_t) MSG_main(void);
41 XBT_PUBLIC(MSG_error_t) MSG_main_stateful(void);
42 XBT_PUBLIC(MSG_error_t) MSG_main_liveness(xbt_automaton_t a);
43 XBT_PUBLIC(MSG_error_t) MSG_clean(void);
44 XBT_PUBLIC(void) MSG_function_register(const char *name,
45 xbt_main_func_t code);
46 XBT_PUBLIC(void) MSG_function_register_default(xbt_main_func_t code);
47 XBT_PUBLIC(xbt_main_func_t) MSG_get_registered_function(const char *name);
48 XBT_PUBLIC(void) MSG_launch_application(const char *file);
49 /*Bypass the parser */
50 XBT_PUBLIC(void) MSG_set_function(const char *host_id,
51 const char *function_name,
52 xbt_dynar_t arguments);
54 XBT_PUBLIC(double) MSG_get_clock(void);
55 XBT_PUBLIC(unsigned long int) MSG_get_sent_msg(void);
58 /************************** File handling ***********************************/
59 XBT_PUBLIC(size_t) MSG_file_read(const char* storage, void* ptr, size_t size, size_t nmemb, msg_file_t stream);
60 XBT_PUBLIC(size_t) MSG_file_write(const char* storage, const void* ptr, size_t size, size_t nmemb, msg_file_t stream);
61 XBT_PUBLIC(msg_file_t) MSG_file_open(const char* storage, const char* path, const char* mode);
62 XBT_PUBLIC(int) MSG_file_close(const char* storage, msg_file_t fp);
63 XBT_PUBLIC(int) MSG_file_stat(const char* storage, msg_file_t fd, s_msg_stat_t *buf);
66 /************************** Host handling ***********************************/
67 XBT_PUBLIC(MSG_error_t) MSG_host_set_data(m_host_t host, void *data);
68 XBT_PUBLIC(void *) MSG_host_get_data(m_host_t host);
69 XBT_PUBLIC(const char *) MSG_host_get_name(m_host_t host);
70 XBT_PUBLIC(m_host_t) MSG_host_self(void);
71 XBT_PUBLIC(int) MSG_get_host_msgload(m_host_t host);
72 /* int MSG_get_msgload(void); This function lacks specification; discard it */
73 XBT_PUBLIC(double) MSG_get_host_speed(m_host_t h);
74 XBT_PUBLIC(int) MSG_host_is_avail(m_host_t h);
75 XBT_PUBLIC(void) __MSG_host_destroy(m_host_t host);
78 XBT_PUBLIC(xbt_dict_t) MSG_host_get_properties(m_host_t host);
79 XBT_PUBLIC(const char *) MSG_host_get_property_value(m_host_t host,
82 XBT_PUBLIC(void) MSG_create_environment(const char *file);
83 XBT_PUBLIC(void) MSG_load_platform_script(const char *script_file);
85 XBT_PUBLIC(m_host_t) MSG_get_host_by_name(const char *name);
86 XBT_PUBLIC(xbt_dynar_t) MSG_hosts_as_dynar(void);
88 /************************** Process handling *********************************/
89 XBT_PUBLIC(m_process_t) MSG_process_create(const char *name,
91 void *data, m_host_t host);
92 XBT_PUBLIC(m_process_t) MSG_process_create_with_arguments(const char *name,
98 XBT_PUBLIC(m_process_t) MSG_process_create_with_environment(const char
108 XBT_PUBLIC(void) MSG_process_kill(m_process_t process);
109 XBT_PUBLIC(int) MSG_process_killall(int reset_PIDs);
111 XBT_PUBLIC(MSG_error_t) MSG_process_migrate(m_process_t process, m_host_t host);
113 XBT_PUBLIC(void *) MSG_process_get_data(m_process_t process);
114 XBT_PUBLIC(MSG_error_t) MSG_process_set_data(m_process_t process,
116 XBT_PUBLIC(void) MSG_process_set_data_cleanup(void_f_pvoid_t data_cleanup);
117 XBT_PUBLIC(m_host_t) MSG_process_get_host(m_process_t process);
118 XBT_PUBLIC(m_process_t) MSG_process_from_PID(int PID);
119 XBT_PUBLIC(int) MSG_process_get_PID(m_process_t process);
120 XBT_PUBLIC(int) MSG_process_get_PPID(m_process_t process);
121 XBT_PUBLIC(const char *) MSG_process_get_name(m_process_t process);
122 XBT_PUBLIC(int) MSG_process_self_PID(void);
123 XBT_PUBLIC(int) MSG_process_self_PPID(void);
124 XBT_PUBLIC(m_process_t) MSG_process_self(void);
125 XBT_PUBLIC(xbt_dynar_t) MSG_processes_as_dynar(void);
126 XBT_PUBLIC(MSG_error_t) MSG_process_set_kill_time(m_process_t process, double kill_time);
128 /*property handlers*/
129 XBT_PUBLIC(xbt_dict_t) MSG_process_get_properties(m_process_t process);
130 XBT_PUBLIC(const char *) MSG_process_get_property_value(m_process_t
134 XBT_PUBLIC(MSG_error_t) MSG_process_suspend(m_process_t process);
135 XBT_PUBLIC(MSG_error_t) MSG_process_resume(m_process_t process);
136 XBT_PUBLIC(int) MSG_process_is_suspended(m_process_t process);
138 /************************** Task handling ************************************/
139 XBT_PUBLIC(m_task_t) MSG_task_create(const char *name,
140 double compute_duration,
141 double message_size, void *data);
142 XBT_PUBLIC(m_gpu_task_t) MSG_gpu_task_create(const char *name,
143 double compute_duration,
144 double dispatch_latency,
145 double collect_latency);
146 XBT_PUBLIC(m_task_t) MSG_parallel_task_create(const char *name,
148 const m_host_t * host_list,
149 double *computation_amount,
150 double *communication_amount,
152 XBT_PUBLIC(void *) MSG_task_get_data(m_task_t task);
153 XBT_PUBLIC(void) MSG_task_set_data(m_task_t task, void *data);
154 XBT_PUBLIC(void) MSG_task_set_copy_callback(void (*callback) (
155 m_task_t task, m_process_t src, m_process_t dst));
156 XBT_PUBLIC(m_process_t) MSG_task_get_sender(m_task_t task);
157 XBT_PUBLIC(m_host_t) MSG_task_get_source(m_task_t task);
158 XBT_PUBLIC(const char *) MSG_task_get_name(m_task_t task);
159 XBT_PUBLIC(void) MSG_task_set_name(m_task_t task, const char *name);
160 XBT_PUBLIC(MSG_error_t) MSG_task_cancel(m_task_t task);
161 XBT_PUBLIC(MSG_error_t) MSG_task_destroy(m_task_t task);
163 XBT_PUBLIC(MSG_error_t) MSG_task_receive_from_host(m_task_t * task, const char *alias,
166 XBT_PUBLIC(MSG_error_t) MSG_task_execute(m_task_t task);
167 XBT_PUBLIC(MSG_error_t) MSG_parallel_task_execute(m_task_t task);
168 XBT_PUBLIC(void) MSG_task_set_priority(m_task_t task, double priority);
170 XBT_PUBLIC(MSG_error_t) MSG_process_sleep(double nb_sec);
172 XBT_PUBLIC(double) MSG_task_get_compute_duration(m_task_t task);
173 XBT_PUBLIC(void) MSG_task_set_compute_duration(m_task_t task,
174 double compute_duration);
175 XBT_PUBLIC(double) MSG_task_get_remaining_computation(m_task_t task);
176 XBT_PUBLIC(double) MSG_task_get_remaining_communication(m_task_t task);
177 XBT_PUBLIC(int) MSG_task_is_latency_bounded(m_task_t task);
178 XBT_PUBLIC(double) MSG_task_get_data_size(m_task_t task);
181 XBT_PUBLIC(MSG_error_t)
182 MSG_task_receive_ext(m_task_t * task, const char *alias, double timeout,
185 XBT_PUBLIC(MSG_error_t)
186 MSG_task_receive_with_timeout(m_task_t * task, const char *alias,
189 XBT_PUBLIC(MSG_error_t)
190 MSG_task_receive(m_task_t * task, const char *alias);
191 #define MSG_task_recv(t,a) MSG_task_receive(t,a)
193 XBT_PUBLIC(msg_comm_t) MSG_task_isend(m_task_t task, const char *alias);
194 XBT_PUBLIC(msg_comm_t) MSG_task_isend_with_matching(m_task_t task,
196 int (*match_fun)(void*,void*, smx_action_t),
199 XBT_PUBLIC(void) MSG_task_dsend(m_task_t task, const char *alias, void_f_pvoid_t cleanup);
200 XBT_PUBLIC(msg_comm_t) MSG_task_irecv(m_task_t * task, const char *alias);
201 XBT_PUBLIC(int) MSG_comm_test(msg_comm_t comm);
202 XBT_PUBLIC(int) MSG_comm_testany(xbt_dynar_t comms);
203 XBT_PUBLIC(void) MSG_comm_destroy(msg_comm_t comm);
204 XBT_PUBLIC(MSG_error_t) MSG_comm_wait(msg_comm_t comm, double timeout);
205 XBT_PUBLIC(void) MSG_comm_waitall(msg_comm_t * comm, int nb_elem,
207 XBT_PUBLIC(int) MSG_comm_waitany(xbt_dynar_t comms);
208 XBT_PUBLIC(m_task_t) MSG_comm_get_task(msg_comm_t comm);
209 XBT_PUBLIC(MSG_error_t) MSG_comm_get_status(msg_comm_t comm);
211 XBT_PUBLIC(int) MSG_task_listen(const char *alias);
213 XBT_PUBLIC(int) MSG_task_listen_from_host(const char *alias,
216 XBT_PUBLIC(MSG_error_t)
217 MSG_task_send_with_timeout(m_task_t task, const char *alias,
220 XBT_PUBLIC(MSG_error_t)
221 MSG_task_send(m_task_t task, const char *alias);
223 XBT_PUBLIC(MSG_error_t)
224 MSG_task_send_bounded(m_task_t task, const char *alias, double rate);
226 XBT_PUBLIC(int) MSG_task_listen_from(const char *alias);
228 XBT_PUBLIC(void) MSG_task_set_category (m_task_t task, const char *category);
229 XBT_PUBLIC(const char *) MSG_task_get_category (m_task_t task);
231 /************************** Task handling ************************************/
232 XBT_PUBLIC(MSG_error_t)
233 MSG_mailbox_get_task_ext(msg_mailbox_t mailbox, m_task_t * task,
234 m_host_t host, double timeout);
236 XBT_PUBLIC(MSG_error_t)
237 MSG_mailbox_put_with_timeout(msg_mailbox_t mailbox, m_task_t task,
240 /************************** Action handling **********************************/
241 MSG_error_t MSG_action_trace_run(char *path);
243 #ifdef MSG_USE_DEPRECATED
244 /* these are the functions which are deprecated. Do not use them, they may get removed in future releases */
245 XBT_PUBLIC(int) MSG_get_host_number(void);
246 XBT_PUBLIC(m_host_t *) MSG_get_host_table(void);
248 #define MSG_TIMEOUT_FAILURE MSG_TIMEOUT
249 #define MSG_TASK_CANCELLED MSG_TASK_CANCELED
250 #define MSG_mailbox_put_with_time_out(mailbox, task, timeout) \
251 MSG_mailbox_put_with_timeout(mailbox, task, timeout)
253 #define MSG_process_change_host(h) MSG_process_migrate(MSG_process_self(),h);
254 XBT_PUBLIC(MSG_error_t) MSG_get_errno(void);
256 XBT_PUBLIC(MSG_error_t) MSG_task_get(m_task_t * task, m_channel_t channel);
257 XBT_PUBLIC(MSG_error_t) MSG_task_get_with_timeout(m_task_t * task,
259 double max_duration);
260 XBT_PUBLIC(MSG_error_t) MSG_task_get_from_host(m_task_t * task,
261 int channel, m_host_t host);
262 XBT_PUBLIC(MSG_error_t) MSG_task_get_ext(m_task_t * task, int channel,
265 XBT_PUBLIC(MSG_error_t) MSG_task_put(m_task_t task, m_host_t dest,
266 m_channel_t channel);
267 XBT_PUBLIC(MSG_error_t) MSG_task_put_bounded(m_task_t task,
271 XBT_PUBLIC(MSG_error_t) MSG_task_put_with_timeout(m_task_t task,
274 double max_duration);
275 XBT_PUBLIC(int) MSG_task_Iprobe(m_channel_t channel);
276 XBT_PUBLIC(int) MSG_task_probe_from(m_channel_t channel);
277 XBT_PUBLIC(int) MSG_task_probe_from_host(int channel, m_host_t host);
279 XBT_PUBLIC(MSG_error_t) MSG_set_channel_number(int number);
280 XBT_PUBLIC(int) MSG_get_channel_number(void);
283 #include "instr/instr.h"
285 /** @brief Opaque type describing a Virtual Machine.
288 * All this is highly experimental and the interface will probably change in the future.
289 * Please don't depend on this yet (although testing is welcomed if you feel so).
290 * Usual lack of guaranty of any kind applies here, and is even increased.
293 typedef struct msg_vm *msg_vm_t;
294 /* This function should not be called directly, but rather from MSG_vm_start_from_template that does not exist yet*/
295 XBT_PUBLIC(msg_vm_t) MSG_vm_start(m_host_t location, int coreAmount);
297 XBT_PUBLIC(int) MSG_vm_is_suspended(msg_vm_t);
298 XBT_PUBLIC(int) MSG_vm_is_running(msg_vm_t);
300 XBT_PUBLIC(void) MSG_vm_bind(msg_vm_t vm, m_process_t process);
301 XBT_PUBLIC(void) MSG_vm_unbind(msg_vm_t vm, m_process_t process); // simple wrapper over process_kill
303 XBT_PUBLIC(void) MSG_vm_migrate(msg_vm_t vm, m_host_t destination);
305 XBT_PUBLIC(void) MSG_vm_suspend(msg_vm_t vm);
306 // \forall p in VM, MSG_process_suspend(p) // Freeze the processes
308 XBT_PUBLIC(void) MSG_vm_resume(msg_vm_t vm); // Simulate the fact of reading the processes from disk and resuming them
309 // \forall p in VM, MSG_process_resume(p) // unfreeze them
311 XBT_PUBLIC(void) MSG_vm_shutdown(msg_vm_t vm); // killall
313 XBT_PUBLIC(xbt_dynar_t) MSG_vms_as_dynar(void);
316 void* MSG_process_get_property(msg_process_t, char* key)
317 void MSG_process_set_property(msg_process_t, char* key, void* data)
318 void MSG_vm_set_property(msg_vm_t, char* key, void* data)
320 void MSG_vm_setMemoryUsed(msg_vm_t vm, double size);
321 void MSG_vm_setCpuUsed(msg_vm_t vm, double inducedLoad);
322 // inducedLoad: un pourcentage (>100 si ca charge plus d'un coeur;
323 // <100 si c'est pas CPU intensive)
324 // Contraintes à poser:
325 // HOST_Power >= CpuUsedVm (\forall VM) + CpuUsedTask (\forall Task)
326 // VM_coreAmount >= Load de toutes les tasks
330 xbt_dynar_t<msg_vm_t> MSG_vm_get_list_from_host(msg_host_t)
331 xbt_dynar_t<msg_vm_t> MSG_vm_get_list_from_hosts(msg_dynar_t<msg_host_t>)
332 + des fonctions de filtrage sur les dynar
336 /* ****************************************************************************************** */
337 /* Used only by the bindings -- unclean pimple, please ignore if you're not writing a binding */
338 XBT_PUBLIC(smx_context_t) MSG_process_get_smx_ctx(m_process_t process);