include/msg/msg.h

   1 /* Copyright (c) 2004-2012. The SimGrid Team. All rights reserved.          */
   2
   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. */
   5
   6 #ifndef MSG_H
   7 #define MSG_H
   8
   9 #include "xbt.h"
  10
  11 #include "msg/datatypes.h"
  12
  13 #include "simgrid/simix.h"
  14
  15 SG_BEGIN_DECL()
  16
  17 /** @brief Return code of most MSG functions
  18     @ingroup msg_simulation
  19     @{ */
  20 /* Keep these code as binary values: java bindings manipulate | of these values */
  21 typedef enum {
  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
  26       shutdown. */
  27   MSG_HOST_FAILURE = 4,       /**< @brief System shutdown. The host on which you are
  28       running has just been rebooted. Free your datastructures and
  29       return now !*/
  30   MSG_TASK_CANCELED = 8      /**< @brief Canceled task. This task has been canceled by somebody!*/
  31 } msg_error_t;
  32 /** @} */
  33
  34 /************************** Global ******************************************/
  35 XBT_PUBLIC(void) MSG_config(const char *key, const char *value);
  36 /** \ingroup msg_simulation
  37  *  \brief Initialize the MSG internal data.
  38  *  \hideinitializer
  39  *
  40  *  It also check that the link-time and compile-time versions of SimGrid do
  41  *  match, so you should use this version instead of the #MSG_init_nocheck
  42  *  function that does the same initializations, but without this check.
  43  *
  44  *  We allow to link against compiled versions that differ in the patch level.
  45  */
  46 #define MSG_init(argc,argv)  {                                          \
  47     int ver_major,ver_minor,ver_patch;                                  \
  48     sg_version(&ver_major,&ver_minor,&ver_patch);                       \
  49     if ((ver_major != SIMGRID_VERSION_MAJOR) ||                         \
  50         (ver_minor != SIMGRID_VERSION_MINOR)) {                         \
  51       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", \
  52               SIMGRID_VERSION_MAJOR,SIMGRID_VERSION_MINOR,SIMGRID_VERSION_PATCH,ver_major,ver_minor,ver_patch); \
  53     }                                                                   \
  54     MSG_init_nocheck(argc,argv);                                        \
  55   }
  56
  57 XBT_PUBLIC(void) MSG_init_nocheck(int *argc, char **argv);
  58 XBT_PUBLIC(msg_error_t) MSG_main(void);
  59 XBT_PUBLIC(void) MSG_function_register(const char *name,
  60                                        xbt_main_func_t code);
  61 XBT_PUBLIC(void) MSG_function_register_default(xbt_main_func_t code);
  62 XBT_PUBLIC(xbt_main_func_t) MSG_get_registered_function(const char *name);
  63 XBT_PUBLIC(void) MSG_launch_application(const char *file);
  64 /*Bypass the parser */
  65 XBT_PUBLIC(void) MSG_set_function(const char *host_id,
  66                                   const char *function_name,
  67                                   xbt_dynar_t arguments);
  68
  69 XBT_PUBLIC(double) MSG_get_clock(void);
  70 XBT_PUBLIC(unsigned long int) MSG_get_sent_msg(void);
  71
  72 /************************** Environment ***********************************/
  73 XBT_PUBLIC(msg_as_t) MSG_environment_get_routing_root(void);
  74 XBT_PUBLIC(const char *) MSG_environment_as_get_name(msg_as_t as);
  75 XBT_PUBLIC(xbt_dict_t) MSG_environment_as_get_routing_sons(msg_as_t as);
  76 XBT_PUBLIC(const char *) MSG_environment_as_get_property_value(msg_as_t as, const char *name);
  77 XBT_PUBLIC(const char *) MSG_environment_as_get_model(msg_as_t as);
  78 XBT_PUBLIC(xbt_dynar_t) MSG_environment_as_get_hosts(msg_as_t as);
  79
  80 /************************** File handling ***********************************/
  81 XBT_PUBLIC(double) MSG_file_read(void* ptr, size_t size, size_t nmemb, msg_file_t stream);
  82 XBT_PUBLIC(size_t) MSG_file_write(const void* ptr, size_t size, size_t nmemb, msg_file_t stream);
  83 XBT_PUBLIC(msg_file_t) MSG_file_open(const char* mount, const char* path, const char* mode);
  84 XBT_PUBLIC(int) MSG_file_close(msg_file_t fp);
  85 XBT_PUBLIC(int) MSG_file_stat(msg_file_t fd, s_msg_stat_t *buf);
  86 XBT_PUBLIC(void) MSG_file_free_stat(s_msg_stat_t *stat);
  87
  88 XBT_PUBLIC(int) MSG_file_unlink(msg_file_t fd);
  89 XBT_PUBLIC(xbt_dict_t) MSG_file_ls(const char *mount, const char *path);
  90
  91 /************************** AS Router handling ************************************/
  92 XBT_PUBLIC(const char *) MSG_as_router_get_property_value(const char* asr, const char *name);
  93 XBT_PUBLIC(xbt_dict_t) MSG_as_router_get_properties(const char* asr);
  94 XBT_PUBLIC(void) MSG_as_router_set_property_value(const char* asr, const char *name, char *value,void_f_pvoid_t free_ctn);
  95
  96 /************************** Host handling ***********************************/
  97 XBT_PUBLIC(msg_error_t) MSG_host_set_data(msg_host_t host, void *data);
  98 XBT_PUBLIC(void *) MSG_host_get_data(msg_host_t host);
  99 XBT_PUBLIC(const char *) MSG_host_get_name(msg_host_t host);
 100 XBT_PUBLIC(msg_host_t) MSG_host_self(void);
 101 XBT_PUBLIC(int) MSG_get_host_msgload(msg_host_t host);
 102 /* int MSG_get_msgload(void); This function lacks specification; discard it */
 103 XBT_PUBLIC(double) MSG_get_host_speed(msg_host_t h);
 104 XBT_PUBLIC(int) MSG_host_is_avail(msg_host_t h);
 105 XBT_PUBLIC(void) __MSG_host_priv_free(msg_host_priv_t priv);
 106 XBT_PUBLIC(void) __MSG_host_destroy(msg_host_t host);
 107
 108 /*property handlers*/
 109 XBT_PUBLIC(xbt_dict_t) MSG_host_get_properties(msg_host_t host);
 110 XBT_PUBLIC(const char *) MSG_host_get_property_value(msg_host_t host,
 111                                                      const char *name);
 112 XBT_PUBLIC(void) MSG_host_set_property_value(msg_host_t host,
 113                                              const char *name, char *value,
 114                                              void_f_pvoid_t free_ctn);
 115
 116
 117 XBT_PUBLIC(void) MSG_create_environment(const char *file);
 118
 119 XBT_PUBLIC(msg_host_t) MSG_get_host_by_name(const char *name);
 120 XBT_PUBLIC(xbt_dynar_t) MSG_hosts_as_dynar(void);
 121 XBT_PUBLIC(int) MSG_get_host_number(void);
 122
 123 XBT_PUBLIC(void) MSG_host_get_params(msg_host_t ind_pm, ws_params_t params);
 124 XBT_PUBLIC(void) MSG_host_set_params(msg_host_t ind_pm, ws_params_t params);
 125
 126 /************************** Process handling *********************************/
 127 XBT_PUBLIC(msg_process_t) MSG_process_create(const char *name,
 128                                            xbt_main_func_t code,
 129                                            void *data, msg_host_t host);
 130 XBT_PUBLIC(msg_process_t) MSG_process_create_with_arguments(const char *name,
 131                                                           xbt_main_func_t
 132                                                           code, void *data,
 133                                                           msg_host_t host,
 134                                                           int argc,
 135                                                           char **argv);
 136 XBT_PUBLIC(msg_process_t) MSG_process_create_with_environment(const char
 137                                                             *name,
 138                                                             xbt_main_func_t
 139                                                             code,
 140                                                             void *data,
 141                                                             msg_host_t host,
 142                                                             int argc,
 143                                                             char **argv,
 144                                                             xbt_dict_t
 145                                                             properties);
 146 XBT_PUBLIC(void) MSG_process_kill(msg_process_t process);
 147 XBT_PUBLIC(int) MSG_process_killall(int reset_PIDs);
 148
 149 XBT_PUBLIC(msg_error_t) MSG_process_migrate(msg_process_t process, msg_host_t host);
 150
 151 XBT_PUBLIC(void *) MSG_process_get_data(msg_process_t process);
 152 XBT_PUBLIC(msg_error_t) MSG_process_set_data(msg_process_t process,
 153                                              void *data);
 154 XBT_PUBLIC(void) MSG_process_set_data_cleanup(void_f_pvoid_t data_cleanup);
 155 XBT_PUBLIC(msg_host_t) MSG_process_get_host(msg_process_t process);
 156 XBT_PUBLIC(msg_process_t) MSG_process_from_PID(int PID);
 157 XBT_PUBLIC(int) MSG_process_get_PID(msg_process_t process);
 158 XBT_PUBLIC(int) MSG_process_get_PPID(msg_process_t process);
 159 XBT_PUBLIC(const char *) MSG_process_get_name(msg_process_t process);
 160 XBT_PUBLIC(int) MSG_process_self_PID(void);
 161 XBT_PUBLIC(int) MSG_process_self_PPID(void);
 162 XBT_PUBLIC(msg_process_t) MSG_process_self(void);
 163 XBT_PUBLIC(xbt_dynar_t) MSG_processes_as_dynar(void);
 164 XBT_PUBLIC(int) MSG_process_get_number(void);
 165
 166 XBT_PUBLIC(msg_error_t) MSG_process_set_kill_time(msg_process_t process, double kill_time);
 167
 168 /*property handlers*/
 169 XBT_PUBLIC(xbt_dict_t) MSG_process_get_properties(msg_process_t process);
 170 XBT_PUBLIC(const char *) MSG_process_get_property_value(msg_process_t
 171                                                         process,
 172                                                         const char *name);
 173
 174 XBT_PUBLIC(msg_error_t) MSG_process_suspend(msg_process_t process);
 175 XBT_PUBLIC(msg_error_t) MSG_process_resume(msg_process_t process);
 176 XBT_PUBLIC(int) MSG_process_is_suspended(msg_process_t process);
 177 XBT_PUBLIC(void) MSG_process_on_exit(int_f_pvoid_t fun, void *data);
 178 XBT_PUBLIC(void) MSG_process_auto_restart_set(msg_process_t process, int auto_restart);
 179
 180 XBT_PUBLIC(msg_process_t) MSG_process_restart(msg_process_t process);
 181
 182 /************************** Task handling ************************************/
 183 XBT_PUBLIC(msg_task_t) MSG_task_create(const char *name,
 184                                      double compute_duration,
 185                                      double message_size, void *data);
 186 XBT_PUBLIC(msg_gpu_task_t) MSG_gpu_task_create(const char *name,
 187                                      double compute_duration,
 188                                      double dispatch_latency,
 189                                      double collect_latency);
 190 XBT_PUBLIC(msg_task_t) MSG_parallel_task_create(const char *name,
 191                                               int host_nb,
 192                                               const msg_host_t * host_list,
 193                                               double *computation_amount,
 194                                               double *communication_amount,
 195                                               void *data);
 196 XBT_PUBLIC(void *) MSG_task_get_data(msg_task_t task);
 197 XBT_PUBLIC(void) MSG_task_set_data(msg_task_t task, void *data);
 198 XBT_PUBLIC(void) MSG_task_set_copy_callback(void (*callback) (
 199     msg_task_t task, msg_process_t src, msg_process_t dst));
 200 XBT_PUBLIC(msg_process_t) MSG_task_get_sender(msg_task_t task);
 201 XBT_PUBLIC(msg_host_t) MSG_task_get_source(msg_task_t task);
 202 XBT_PUBLIC(const char *) MSG_task_get_name(msg_task_t task);
 203 XBT_PUBLIC(void) MSG_task_set_name(msg_task_t task, const char *name);
 204 XBT_PUBLIC(msg_error_t) MSG_task_cancel(msg_task_t task);
 205 XBT_PUBLIC(msg_error_t) MSG_task_destroy(msg_task_t task);
 206
 207 XBT_PUBLIC(msg_error_t) MSG_task_receive_from_host(msg_task_t * task, const char *alias,
 208                                        msg_host_t host);
 209 XBT_PUBLIC(msg_error_t) MSG_task_receive_from_host_bounded(msg_task_t * task, const char *alias,
 210                                        msg_host_t host, double rate);
 211
 212 XBT_PUBLIC(msg_error_t) MSG_task_execute(msg_task_t task);
 213 XBT_PUBLIC(msg_error_t) MSG_parallel_task_execute(msg_task_t task);
 214 XBT_PUBLIC(void) MSG_task_set_priority(msg_task_t task, double priority);
 215 XBT_PUBLIC(void) MSG_task_set_bound(msg_task_t task, double bound);
 216
 217 XBT_PUBLIC(msg_error_t) MSG_process_sleep(double nb_sec);
 218
 219 XBT_PUBLIC(double) MSG_task_get_compute_duration(msg_task_t task);
 220 XBT_PUBLIC(void) MSG_task_set_compute_duration(msg_task_t task,
 221                                                double compute_duration);
 222 XBT_PUBLIC(void) MSG_task_set_data_size(msg_task_t task,
 223                                         double data_size);
 224
 225 XBT_PUBLIC(double) MSG_task_get_remaining_computation(msg_task_t task);
 226 XBT_PUBLIC(double) MSG_task_get_remaining_communication(msg_task_t task);
 227 XBT_PUBLIC(int) MSG_task_is_latency_bounded(msg_task_t task);
 228 XBT_PUBLIC(double) MSG_task_get_data_size(msg_task_t task);
 229
 230
 231 XBT_PUBLIC(msg_error_t)
 232     MSG_task_receive_ext(msg_task_t * task, const char *alias, double timeout,
 233                      msg_host_t host);
 234
 235 XBT_PUBLIC(msg_error_t)
 236     MSG_task_receive_with_timeout(msg_task_t * task, const char *alias,
 237                               double timeout);
 238
 239 XBT_PUBLIC(msg_error_t)
 240     MSG_task_receive(msg_task_t * task, const char *alias);
 241 #define MSG_task_recv(t,a) MSG_task_receive(t,a)
 242
 243
 244
 245 XBT_PUBLIC(msg_error_t)
 246     MSG_task_receive_ext_bounded(msg_task_t * task, const char *alias, double timeout,
 247                      msg_host_t host, double rate);
 248
 249 XBT_PUBLIC(msg_error_t)
 250     MSG_task_receive_with_timeout_bounded(msg_task_t * task, const char *alias,
 251                               double timeout, double rate);
 252
 253 XBT_PUBLIC(msg_error_t)
 254     MSG_task_receive_bounded(msg_task_t * task, const char *alias,double rate);
 255 #define MSG_task_recv_bounded(t,a,r) MSG_task_receive_bounded(t,a,r)
 256
 257 XBT_PUBLIC(msg_comm_t) MSG_task_isend(msg_task_t task, const char *alias);
 258 XBT_PUBLIC(msg_comm_t) MSG_task_isend_bounded(msg_task_t task, const char *alias, double maxrate);
 259 XBT_PUBLIC(msg_comm_t) MSG_task_isend_with_matching(msg_task_t task,
 260                                                     const char *alias,
 261                                                     int (*match_fun)(void*,void*, smx_action_t),
 262                                                     void *match_data);
 263
 264 XBT_PUBLIC(void) MSG_task_dsend(msg_task_t task, const char *alias, void_f_pvoid_t cleanup);
 265 XBT_PUBLIC(void) MSG_task_dsend_bounded(msg_task_t task, const char *alias, void_f_pvoid_t cleanup, double maxrate);
 266 XBT_PUBLIC(msg_comm_t) MSG_task_irecv(msg_task_t * task, const char *alias);
 267 XBT_PUBLIC(msg_comm_t) MSG_task_irecv_bounded(msg_task_t * task, const char *alias, double rate);
 268 XBT_PUBLIC(int) MSG_comm_test(msg_comm_t comm);
 269 XBT_PUBLIC(int) MSG_comm_testany(xbt_dynar_t comms);
 270 XBT_PUBLIC(void) MSG_comm_destroy(msg_comm_t comm);
 271 XBT_PUBLIC(msg_error_t) MSG_comm_wait(msg_comm_t comm, double timeout);
 272 XBT_PUBLIC(void) MSG_comm_waitall(msg_comm_t * comm, int nb_elem,
 273                                   double timeout);
 274 XBT_PUBLIC(int) MSG_comm_waitany(xbt_dynar_t comms);
 275 XBT_PUBLIC(msg_task_t) MSG_comm_get_task(msg_comm_t comm);
 276 XBT_PUBLIC(msg_error_t) MSG_comm_get_status(msg_comm_t comm);
 277
 278 XBT_PUBLIC(int) MSG_task_listen(const char *alias);
 279
 280 XBT_PUBLIC(int) MSG_task_listen_from_host(const char *alias,
 281                                           msg_host_t host);
 282
 283 XBT_PUBLIC(msg_error_t)
 284     MSG_task_send_with_timeout(msg_task_t task, const char *alias,
 285                            double timeout);
 286
 287 XBT_PUBLIC(msg_error_t)
 288     MSG_task_send_with_timeout_bounded(msg_task_t task, const char *alias,
 289                            double timeout, double maxrate);
 290
 291 XBT_PUBLIC(msg_error_t)
 292     MSG_task_send(msg_task_t task, const char *alias);
 293
 294 XBT_PUBLIC(msg_error_t)
 295     MSG_task_send_bounded(msg_task_t task, const char *alias, double rate);
 296
 297 XBT_PUBLIC(int) MSG_task_listen_from(const char *alias);
 298
 299 XBT_PUBLIC(void) MSG_task_set_category (msg_task_t task, const char *category);
 300 XBT_PUBLIC(const char *) MSG_task_get_category (msg_task_t task);
 301
 302 /************************** Task handling ************************************/
 303 XBT_PUBLIC(msg_error_t)
 304     MSG_mailbox_get_task_ext(msg_mailbox_t mailbox, msg_task_t * task,
 305                          msg_host_t host, double timeout);
 306
 307 XBT_PUBLIC(msg_error_t)
 308     MSG_mailbox_get_task_ext_bounded(msg_mailbox_t mailbox, msg_task_t *task,
 309                                      msg_host_t host, double timeout, double rate);
 310
 311 XBT_PUBLIC(msg_error_t)
 312     MSG_mailbox_put_with_timeout(msg_mailbox_t mailbox, msg_task_t task,
 313                              double timeout);
 314
 315 XBT_PUBLIC(void) MSG_mailbox_set_async(const char *alias);
 316
 317
 318 /************************** Action handling **********************************/
 319 XBT_PUBLIC(msg_error_t) MSG_action_trace_run(char *path);
 320
 321 #ifdef MSG_USE_DEPRECATED
 322
 323 typedef msg_error_t MSG_error_t;
 324
 325 #define MSG_global_init(argc, argv)      MSG_init(argc,argv)
 326 #define MSG_global_init_args(argc, argv) MSG_init(argc,argv)
 327
 328 /* these are the functions which are deprecated. Do not use them, they may get removed in future releases */
 329 XBT_PUBLIC(msg_host_t *) MSG_get_host_table(void);
 330
 331 #define MSG_TIMEOUT_FAILURE MSG_TIMEOUT
 332 #define MSG_TASK_CANCELLED MSG_TASK_CANCELED
 333 #define MSG_mailbox_put_with_time_out(mailbox, task, timeout) \
 334         MSG_mailbox_put_with_timeout(mailbox, task, timeout)
 335
 336 #define MSG_process_change_host(h) MSG_process_migrate(MSG_process_self(),h);
 337 XBT_PUBLIC(msg_error_t) MSG_get_errno(void);
 338
 339 XBT_PUBLIC(msg_error_t) MSG_clean(void);
 340
 341 XBT_PUBLIC(msg_error_t) MSG_task_get(msg_task_t * task, m_channel_t channel);
 342 XBT_PUBLIC(msg_error_t) MSG_task_get_with_timeout(msg_task_t * task,
 343                                                   m_channel_t channel,
 344                                                   double max_duration);
 345 XBT_PUBLIC(msg_error_t) MSG_task_get_from_host(msg_task_t * task,
 346                                                int channel, msg_host_t host);
 347 XBT_PUBLIC(msg_error_t) MSG_task_get_ext(msg_task_t * task, int channel,
 348                                          double max_duration,
 349                                          msg_host_t host);
 350 XBT_PUBLIC(msg_error_t) MSG_task_put(msg_task_t task, msg_host_t dest,
 351                                      m_channel_t channel);
 352 XBT_PUBLIC(msg_error_t) MSG_task_put_bounded(msg_task_t task,
 353                                              msg_host_t dest,
 354                                              m_channel_t channel,
 355                                              double max_rate);
 356 XBT_PUBLIC(msg_error_t) MSG_task_put_with_timeout(msg_task_t task,
 357                                                   msg_host_t dest,
 358                                                   m_channel_t channel,
 359                                                   double max_duration);
 360 XBT_PUBLIC(int) MSG_task_Iprobe(m_channel_t channel);
 361 XBT_PUBLIC(int) MSG_task_probe_from(m_channel_t channel);
 362 XBT_PUBLIC(int) MSG_task_probe_from_host(int channel, msg_host_t host);
 363
 364 XBT_PUBLIC(msg_error_t) MSG_set_channel_number(int number);
 365 XBT_PUBLIC(int) MSG_get_channel_number(void);
 366 #endif
 367
 368 /** @brief Opaque type representing a semaphore
 369  *  @ingroup msg_synchro
 370  *  @hideinitializer
 371  */
 372 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
 373 XBT_PUBLIC(msg_sem_t) MSG_sem_init(int initial_value);
 374 XBT_PUBLIC(void) MSG_sem_acquire(msg_sem_t sem);
 375 XBT_PUBLIC(msg_error_t) MSG_sem_acquire_timeout(msg_sem_t sem, double timeout);
 376 XBT_PUBLIC(void) MSG_sem_release(msg_sem_t sem);
 377 XBT_PUBLIC(void) MSG_sem_get_capacity(msg_sem_t sem);
 378 XBT_PUBLIC(void) MSG_sem_destroy(msg_sem_t sem);
 379 XBT_PUBLIC(int) MSG_sem_would_block(msg_sem_t sem);
 380
 381 /** @brief Opaque type describing a Virtual Machine.
 382  *  @ingroup msg_VMs
 383  *
 384  * All this is highly experimental and the interface will probably change in the future.
 385  * Please don't depend on this yet (although testing is welcomed if you feel so).
 386  * Usual lack of guaranty of any kind applies here, and is even increased.
 387  *
 388  */
 389
 390 XBT_PUBLIC(int) MSG_vm_is_created(msg_vm_t);
 391 XBT_PUBLIC(int) MSG_vm_is_running(msg_vm_t);
 392 XBT_PUBLIC(int) MSG_vm_is_migrating(msg_vm_t);
 393
 394 XBT_PUBLIC(int) MSG_vm_is_suspended(msg_vm_t);
 395 XBT_PUBLIC(int) MSG_vm_is_saving(msg_vm_t);
 396 XBT_PUBLIC(int) MSG_vm_is_saved(msg_vm_t);
 397 XBT_PUBLIC(int) MSG_vm_is_restoring(msg_vm_t);
 398
 399
 400 XBT_PUBLIC(const char*) MSG_vm_get_name(msg_vm_t);
 401
 402 // TODO add VDI later
 403 XBT_PUBLIC(msg_vm_t) MSG_vm_create_core(msg_host_t location, const char *name);
 404 XBT_PUBLIC(msg_vm_t) MSG_vm_create(msg_host_t ind_pm, const char *name,
 405     int core_nb, long mem_cap, long net_cap, char *disk_path, long disk_size);
 406
 407 XBT_PUBLIC(void) MSG_vm_destroy(msg_vm_t vm);
 408
 409 XBT_PUBLIC(void) MSG_vm_start(msg_vm_t);
 410
 411 /* Shutdown the guest operating system. */
 412 XBT_PUBLIC(void) MSG_vm_shutdown(msg_vm_t vm);
 413
 414 XBT_PUBLIC(void) MSG_vm_migrate(msg_vm_t vm, msg_host_t destination);
 415
 416 /* Suspend the execution of the VM, but keep its state on memory. */
 417 XBT_PUBLIC(void) MSG_vm_suspend(msg_vm_t vm);
 418 XBT_PUBLIC(void) MSG_vm_resume(msg_vm_t vm);
 419
 420 /* Save the VM state to a disk. */
 421 XBT_PUBLIC(void) MSG_vm_save(msg_vm_t vm);
 422 XBT_PUBLIC(void) MSG_vm_restore(msg_vm_t vm);
 423
 424 XBT_PUBLIC(msg_host_t) MSG_vm_get_pm(msg_vm_t vm);
 425 XBT_PUBLIC(void) MSG_vm_set_bound(msg_vm_t vm, double bound);
 426
 427 /* TODO: do we need this? */
 428 // XBT_PUBLIC(xbt_dynar_t) MSG_vms_as_dynar(void);
 429
 430 /*
 431 void* MSG_process_get_property(msg_process_t, char* key)
 432 void MSG_process_set_property(msg_process_t, char* key, void* data)
 433 void MSG_vm_set_property(msg_vm_t, char* key, void* data)
 434
 435 void MSG_vm_setMemoryUsed(msg_vm_t vm, double size);
 436 void MSG_vm_setCpuUsed(msg_vm_t vm, double inducedLoad);
 437   // inducedLoad: un pourcentage (>100 si ca charge plus d'un coeur;
 438   //                              <100 si c'est pas CPU intensive)
 439   // Contraintes à poser:
 440   //   HOST_Power >= CpuUsedVm (\forall VM) + CpuUsedTask (\forall Task)
 441   //   VM_coreAmount >= Load de toutes les tasks
 442 */
 443
 444   /*
 445 xbt_dynar_t<msg_vm_t> MSG_vm_get_list_from_host(msg_host_t)
 446 xbt_dynar_t<msg_vm_t> MSG_vm_get_list_from_hosts(msg_dynar_t<msg_host_t>)
 447 + des fonctions de filtrage sur les dynar
 448 */
 449 #include "instr/instr.h"
 450
 451
 452
 453 /* ****************************************************************************************** */
 454 /* Used only by the bindings -- unclean pimple, please ignore if you're not writing a binding */
 455 XBT_PUBLIC(smx_context_t) MSG_process_get_smx_ctx(msg_process_t process);
 456
 457 /* ****************************************************************************************** */
 458 /* TUTORIAL: New API                                                                        */
 459 /* Declare all functions for the API                                                          */
 460 /* ****************************************************************************************** */
 461 XBT_PUBLIC(int) MSG_new_API_fct(const char* param1, double param2);
 462
 463 SG_END_DECL()
 464 #endif