include/simgrid/simix.h

   1 /* Copyright (c) 2007-2019. 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 SIMGRID_SIMIX_H
   7 #define SIMGRID_SIMIX_H
   8
   9 #include <simgrid/forward.h>
  10 #include <simgrid/host.h>
  11 #include <xbt/ex.h>
  12 #include <xbt/parmap.h>
  13 #ifdef __cplusplus
  14 #include <functional>
  15 #include <string>
  16 #include <unordered_map>
  17 #include <vector>
  18 #endif
  19
  20 /* ******************************** Host ************************************ */
  21 /** @brief Host datatype
  22     @ingroup simix_host_management
  23
  24     A <em>location</em> (or <em>host</em>) is any possible place where
  25     a process may run. Thus it is represented as a <em>physical
  26     resource with computing capabilities</em>, some <em>mailboxes</em>
  27     to enable running process to communicate with remote ones, and
  28     some <em>private data</em> that can be only accessed by local
  29     process.
  30
  31     @see m_host_management
  32   @{ */
  33 typedef enum {
  34   SIMIX_WAITING,
  35   SIMIX_READY,
  36   SIMIX_RUNNING,
  37   SIMIX_DONE,
  38   SIMIX_CANCELED,
  39   SIMIX_FAILED,
  40   SIMIX_SRC_HOST_FAILURE,
  41   SIMIX_DST_HOST_FAILURE,
  42   SIMIX_TIMEOUT,
  43   SIMIX_SRC_TIMEOUT,
  44   SIMIX_DST_TIMEOUT,
  45   SIMIX_LINK_FAILURE
  46 } e_smx_state_t;
  47 /** @} */
  48
  49 /* ******************************** Synchro ************************************ */
  50
  51 /** @ingroup simix_synchro_management */
  52 typedef struct s_smx_sem_t* smx_sem_t;
  53
  54 /* ****************************** Process *********************************** */
  55
  56 typedef enum {
  57   SMX_EXIT_SUCCESS = 0,
  58   SMX_EXIT_FAILURE = 1
  59 } smx_process_exit_status_t;
  60 /** @} */
  61
  62 /******************************* Networking ***********************************/
  63 extern unsigned smx_context_stack_size;
  64 extern unsigned smx_context_guard_size;
  65
  66 SG_BEGIN_DECL()
  67
  68 XBT_PUBLIC smx_actor_t SIMIX_process_from_PID(aid_t PID);
  69
  70 /* parallelism */
  71 XBT_PUBLIC int SIMIX_context_is_parallel();
  72 XBT_PUBLIC int SIMIX_context_get_nthreads();
  73 XBT_PUBLIC void SIMIX_context_set_nthreads(int nb_threads);
  74 XBT_PUBLIC int SIMIX_context_get_parallel_threshold();
  75 XBT_PUBLIC void SIMIX_context_set_parallel_threshold(int threshold);
  76 XBT_PUBLIC e_xbt_parmap_mode_t SIMIX_context_get_parallel_mode();
  77 XBT_PUBLIC void SIMIX_context_set_parallel_mode(e_xbt_parmap_mode_t mode);
  78 XBT_PUBLIC int SIMIX_is_maestro();
  79
  80 /********************************** Global ************************************/
  81 /* Initialization and exit */
  82 XBT_PUBLIC void SIMIX_global_init(int* argc, char** argv);
  83
  84 /* Set to execute in the maestro
  85  *
  86  * If no maestro code is registered (the default), the main thread
  87  * is assumed to be the maestro. */
  88 XBT_PUBLIC void SIMIX_set_maestro(void (*code)(void*), void* data);
  89
  90 /* Simulation execution */
  91 XBT_PUBLIC void SIMIX_run();
  92 XBT_PUBLIC double SIMIX_get_clock();
  93
  94 /* Timer functions FIXME: should these be public? */
  95 typedef struct s_smx_timer_t* smx_timer_t;
  96
  97 XBT_PUBLIC smx_timer_t SIMIX_timer_set(double date, void (*function)(void*), void* arg);
  98 XBT_PUBLIC void SIMIX_timer_remove(smx_timer_t timer);
  99 XBT_PUBLIC double SIMIX_timer_next();
 100 XBT_PUBLIC double SIMIX_timer_get_date(smx_timer_t timer);
 101
 102 XBT_PUBLIC void SIMIX_display_process_status();
 103 SG_END_DECL()
 104
 105 /******************************* Environment **********************************/
 106 SG_BEGIN_DECL()
 107 XBT_ATTRIB_DEPRECATED_v324("Please use simgrid_load_platform()") XBT_PUBLIC
 108     void SIMIX_create_environment(const char* file);
 109 SG_END_DECL()
 110
 111 #ifdef __cplusplus
 112 XBT_PUBLIC void SIMIX_create_environment(std::string file);
 113 #endif
 114
 115 /******************************** Deployment **********************************/
 116 SG_BEGIN_DECL()
 117 XBT_ATTRIB_DEPRECATED_v324("Please use simgrid_register_function()") XBT_PUBLIC
 118     void SIMIX_function_register(const char* name, xbt_main_func_t code);
 119 XBT_ATTRIB_DEPRECATED_v324("Please use simgrid_load_deployment()") XBT_PUBLIC
 120     void SIMIX_launch_application(const char* file);
 121 XBT_PUBLIC void SIMIX_function_register_default(xbt_main_func_t code);
 122
 123 XBT_PUBLIC void SIMIX_init_application();
 124 XBT_PUBLIC void SIMIX_process_set_function(const char* process_host, const char* process_function,
 125                                            xbt_dynar_t arguments, double process_start_time, double process_kill_time);
 126 SG_END_DECL()
 127
 128 #ifdef __cplusplus
 129 XBT_PUBLIC void SIMIX_function_register(std::string name, void (*code)(std::vector<std::string>));
 130 XBT_PUBLIC void SIMIX_function_register(std::string name, xbt_main_func_t code);
 131 XBT_PUBLIC void SIMIX_launch_application(std::string file);
 132 #endif
 133
 134 /*********************************** Host *************************************/
 135 /* Functions for running a process in main()
 136  *
 137  *  1. create the maestro process
 138  *  2. attach (create a context and wait for maestro to give control back to you)
 139  *  3. do you process job
 140  *  4. detach (this waits for the simulation to terminate)
 141  */
 142
 143 #ifdef __cplusplus
 144 XBT_PUBLIC smx_actor_t SIMIX_process_attach(const char* name, void* data, const char* hostname,
 145                                             std::unordered_map<std::string, std::string>* properties,
 146                                             smx_actor_t parent_process);
 147 #endif
 148 SG_BEGIN_DECL()
 149 XBT_PUBLIC void SIMIX_process_detach();
 150 SG_END_DECL()
 151
 152 /********************************* Process ************************************/
 153 SG_BEGIN_DECL()
 154 XBT_PUBLIC int SIMIX_process_count();
 155 XBT_PUBLIC smx_actor_t SIMIX_process_self();
 156 XBT_PUBLIC const char* SIMIX_process_self_get_name();
 157 XBT_PUBLIC void SIMIX_process_self_set_data(void* data);
 158 XBT_PUBLIC void* SIMIX_process_self_get_data();
 159 XBT_PUBLIC int SIMIX_process_has_pending_comms(smx_actor_t process);
 160 XBT_PUBLIC void SIMIX_process_on_exit_runall(smx_actor_t process);
 161 XBT_PUBLIC void SIMIX_process_on_exit(smx_actor_t process, int_f_pvoid_pvoid_t fun, void* data);
 162 SG_END_DECL()
 163
 164 #ifdef __cplusplus
 165 XBT_PUBLIC void SIMIX_process_on_exit(smx_actor_t process, std::function<void(int, void*)> fun, void* data);
 166 #endif
 167
 168 /****************************** Communication *********************************/
 169 XBT_PUBLIC void SIMIX_comm_set_copy_data_callback(void (*callback)(smx_activity_t, void*, size_t));
 170 XBT_PUBLIC void SIMIX_comm_copy_pointer_callback(smx_activity_t comm, void* buff, size_t buff_size);
 171 XBT_PUBLIC void SIMIX_comm_copy_buffer_callback(smx_activity_t comm, void* buff, size_t buff_size);
 172
 173 XBT_PUBLIC void SIMIX_comm_finish(smx_activity_t synchro);
 174
 175 /******************************************************************************/
 176 /*                            SIMIX simcalls                                  */
 177 /******************************************************************************/
 178 /* These functions are a system call-like interface to the simulation kernel. */
 179 /* They can also be called from maestro's context, and they are thread safe.  */
 180 /******************************************************************************/
 181
 182 /******************************* Host simcalls ********************************/
 183 #ifdef __cplusplus
 184 XBT_PUBLIC smx_activity_t simcall_execution_start(std::string name, std::string category, double flops_amount,
 185                                                   double priority, double bound, sg_host_t host);
 186 XBT_PUBLIC smx_activity_t simcall_execution_parallel_start(std::string name, int host_nb, sg_host_t* host_list,
 187                                                            double* flops_amount, double* bytes_amount, double rate,
 188                                                            double timeout);
 189 #endif
 190 XBT_PUBLIC void simcall_execution_cancel(smx_activity_t execution);
 191 XBT_PUBLIC void simcall_execution_set_priority(smx_activity_t execution, double priority);
 192 XBT_PUBLIC void simcall_execution_set_bound(smx_activity_t execution, double bound);
 193 XBT_PUBLIC e_smx_state_t simcall_execution_wait(smx_activity_t execution);
 194 XBT_PUBLIC e_smx_state_t simcall_execution_test(smx_activity_t execution);
 195
 196 /**************************** Process simcalls ********************************/
 197 SG_BEGIN_DECL()
 198 XBT_ATTRIB_DEPRECATED_v324("Please use ActorImpl::throw_exception") XBT_PUBLIC
 199     void SIMIX_process_throw(smx_actor_t process, xbt_errcat_t cat, int value, const char* mesg);
 200
 201 /* Process handling */
 202 XBT_PUBLIC void simcall_process_suspend(smx_actor_t process);
 203
 204 /* Getters and Setters */
 205 XBT_PUBLIC void simcall_process_set_data(smx_actor_t process, void* data);
 206 XBT_PUBLIC void simcall_process_set_kill_time(smx_actor_t process, double kill_time);
 207 XBT_PUBLIC void simcall_process_join(smx_actor_t process, double timeout);
 208 /* Sleep control */
 209 XBT_PUBLIC e_smx_state_t simcall_process_sleep(double duration);
 210 SG_END_DECL()
 211
 212 /************************** Comunication simcalls *****************************/
 213
 214 #ifdef __cplusplus
 215 XBT_PUBLIC void simcall_comm_send(smx_actor_t sender, smx_mailbox_t mbox, double task_size, double rate, void* src_buff,
 216                                   size_t src_buff_size,
 217                                   int (*match_fun)(void*, void*, simgrid::kernel::activity::CommImpl*),
 218                                   void (*copy_data_fun)(smx_activity_t, void*, size_t), void* data, double timeout);
 219
 220 XBT_PUBLIC smx_activity_t simcall_comm_isend(smx_actor_t sender, smx_mailbox_t mbox, double task_size, double rate,
 221                                              void* src_buff, size_t src_buff_size,
 222                                              int (*match_fun)(void*, void*, simgrid::kernel::activity::CommImpl*),
 223                                              void (*clean_fun)(void*),
 224                                              void (*copy_data_fun)(smx_activity_t, void*, size_t), void* data,
 225                                              int detached);
 226
 227 XBT_PUBLIC void simcall_comm_recv(smx_actor_t receiver, smx_mailbox_t mbox, void* dst_buff, size_t* dst_buff_size,
 228                                   int (*match_fun)(void*, void*, simgrid::kernel::activity::CommImpl*),
 229                                   void (*copy_data_fun)(smx_activity_t, void*, size_t), void* data, double timeout,
 230                                   double rate);
 231
 232 XBT_PUBLIC smx_activity_t simcall_comm_irecv(smx_actor_t receiver, smx_mailbox_t mbox, void* dst_buff,
 233                                              size_t* dst_buff_size,
 234                                              int (*match_fun)(void*, void*, simgrid::kernel::activity::CommImpl*),
 235                                              void (*copy_data_fun)(smx_activity_t, void*, size_t), void* data,
 236                                              double rate);
 237
 238 XBT_PUBLIC smx_activity_t simcall_comm_iprobe(smx_mailbox_t mbox, int type,
 239                                               int (*match_fun)(void*, void*, simgrid::kernel::activity::CommImpl*),
 240                                               void* data);
 241 #endif
 242 XBT_PUBLIC void simcall_comm_cancel(smx_activity_t comm);
 243
 244 /* FIXME: waitany is going to be a vararg function, and should take a timeout */
 245 XBT_PUBLIC unsigned int simcall_comm_waitany(xbt_dynar_t comms, double timeout);
 246 XBT_PUBLIC void simcall_comm_wait(smx_activity_t comm, double timeout);
 247 XBT_PUBLIC int simcall_comm_test(smx_activity_t comm);
 248 XBT_PUBLIC int simcall_comm_testany(smx_activity_t* comms, size_t count);
 249
 250 /************************** Tracing handling **********************************/
 251 #ifdef __cplusplus
 252 XBT_PUBLIC void simcall_set_category(smx_activity_t synchro, std::string category);
 253 #endif
 254
 255 /************************** Synchro simcalls **********************************/
 256 SG_BEGIN_DECL()
 257 XBT_PUBLIC smx_mutex_t simcall_mutex_init();
 258 XBT_PUBLIC smx_mutex_t SIMIX_mutex_ref(smx_mutex_t mutex);
 259 XBT_PUBLIC void SIMIX_mutex_unref(smx_mutex_t mutex);
 260 XBT_PUBLIC void simcall_mutex_lock(smx_mutex_t mutex);
 261 XBT_PUBLIC int simcall_mutex_trylock(smx_mutex_t mutex);
 262 XBT_PUBLIC void simcall_mutex_unlock(smx_mutex_t mutex);
 263
 264 XBT_PUBLIC smx_cond_t simcall_cond_init();
 265 XBT_PUBLIC void simcall_cond_wait(smx_cond_t cond, smx_mutex_t mutex);
 266 XBT_PUBLIC int simcall_cond_wait_timeout(smx_cond_t cond, smx_mutex_t mutex, double max_duration);
 267
 268 XBT_PUBLIC void SIMIX_sem_destroy(smx_sem_t sem);
 269 XBT_PUBLIC void simcall_sem_acquire(smx_sem_t sem);
 270 XBT_PUBLIC int simcall_sem_acquire_timeout(smx_sem_t sem, double max_duration);
 271
 272 /*****************************   Io   **************************************/
 273 XBT_PUBLIC e_smx_state_t simcall_io_wait(smx_activity_t io);
 274 /************************** MC simcalls   **********************************/
 275 XBT_PUBLIC int simcall_mc_random(int min, int max);
 276
 277 SG_END_DECL()
 278
 279 #endif