1 /* Copyright (c) 2004-2013. The SimGrid Team.
2 * All rights reserved. */
4 /* This program is free software; you can redistribute it and/or modify it
5 * under the terms of the license (GNU LGPL) which comes with this package. */
11 #include "xbt/dynar.h"
13 #include "xbt/graph.h"
16 #include "xbt/config.h"
17 #include "surf/datatypes.h"
19 #include "surf/surf_routing.h"
20 #include "simgrid/platf_interface.h"
21 #include "simgrid/datatypes.h"
24 /* Actions and models are highly connected structures... */
26 /* user-visible parameters */
27 extern double sg_tcp_gamma;
28 extern double sg_sender_gap;
29 extern double sg_latency_factor;
30 extern double sg_bandwidth_factor;
31 extern double sg_weight_S_parameter;
32 extern int sg_network_crosstraffic;
34 extern double sg_gtnets_jitter;
35 extern int sg_gtnets_jitter_seed;
37 extern xbt_dynar_t surf_path;
40 SURF_NETWORK_ELEMENT_NULL = 0, /* NULL */
41 SURF_NETWORK_ELEMENT_HOST, /* host type */
42 SURF_NETWORK_ELEMENT_ROUTER, /* router type */
43 SURF_NETWORK_ELEMENT_AS /* AS type */
44 } e_surf_network_element_type_t;
49 class WorkstationModel;
50 class WorkstationVMModel;
55 class WorkstationCLM03;
56 class NetworkCm02Link;
60 class StorageActionLmm;
65 typedef struct Model Model;
66 typedef struct CpuModel CpuModel;
67 typedef struct WorkstationModel WorkstationModel;
68 typedef struct WorkstationVMModel WorkstationVMModel;
69 typedef struct NetworkModel NetworkModel;
70 typedef struct StorageModel StorageModel;
71 typedef struct Resource Resource;
72 typedef struct ResourceLmm ResourceLmm;
73 typedef struct WorkstationCLM03 WorkstationCLM03;
74 typedef struct NetworkCm02Link NetworkCm02Link;
75 typedef struct Cpu Cpu;
76 typedef struct Action Action;
77 typedef struct ActionLmm ActionLmm;
78 typedef struct StorageActionLmm StorageActionLmm;
80 typedef struct RoutingEdge RoutingEdge;
81 typedef struct RoutingPlatf RoutingPlatf;
84 /** \ingroup SURF_models
85 * \brief Model datatype
87 * Generic data structure for a model. The workstations,
88 * the CPUs and the network links are examples of models.
90 typedef Model *surf_model_t;
91 typedef CpuModel *surf_cpu_model_t;
92 typedef WorkstationModel *surf_workstation_model_t;
93 typedef WorkstationVMModel *surf_vm_workstation_model_t;
95 typedef NetworkModel *surf_network_model_t;
96 typedef StorageModel *surf_storage_model_t;
98 typedef xbt_dictelm_t surf_resource_t;
99 typedef Resource *surf_cpp_resource_t;
100 typedef WorkstationCLM03 *surf_workstation_CLM03_t;
101 typedef NetworkCm02Link *surf_network_link_t;
102 typedef Cpu *surf_cpu_t;
104 /** \ingroup SURF_actions
105 * \brief Action structure
107 * Never create s_surf_action_t by yourself ! The actions are created
108 * on the fly when you call execute or communicate on a model.
110 * \see e_surf_action_state_t
112 typedef Action *surf_action_t;
113 typedef ActionLmm *surf_action_lmm_t;
114 typedef StorageActionLmm *surf_storage_action_lmm_t;
117 typedef RoutingEdge *routing_edge_t;
118 typedef RoutingPlatf *routing_platf_t;
120 typedef struct surf_file *surf_file_t;
122 XBT_PUBLIC(e_surf_network_element_type_t)
123 routing_get_network_element_type(const char* name);
125 /** @Brief Specify that we use that action */
126 XBT_PUBLIC(void) surf_action_ref(surf_action_t action);
128 /** @brief Creates a new action.
130 * @param size The size is the one of the subtype you want to create
131 * @param cost initial value
132 * @param model to which model we should attach this action
133 * @param failed whether we should start this action in failed mode
135 XBT_PUBLIC(void *) surf_action_new(size_t size, double cost,
136 surf_model_t model, int failed);
138 /** \brief Resource model description
140 typedef struct surf_model_description {
142 const char *description;
143 void_f_void_t model_init_preparse;
144 } s_surf_model_description_t, *surf_model_description_t;
146 XBT_PUBLIC(int) find_model_description(s_surf_model_description_t * table,
148 XBT_PUBLIC(void) model_help(const char *category,
149 s_surf_model_description_t * table);
151 /** \ingroup SURF_actions
152 * \brief Action states
156 * \see surf_action_t, surf_action_state_t
160 SURF_ACTION_READY = 0, /**< Ready */
161 SURF_ACTION_RUNNING, /**< Running */
162 SURF_ACTION_FAILED, /**< Task Failure */
163 SURF_ACTION_DONE, /**< Completed */
164 SURF_ACTION_TO_FREE, /**< Action to free in next cleanup */
165 SURF_ACTION_NOT_IN_THE_SYSTEM
166 /**< Not in the system anymore. Why did you ask ? */
167 } e_surf_action_state_t;
169 /* FIXME: Where should the VM state be defined? */
171 /* created, but not yet started */
172 SURF_VM_STATE_CREATED,
174 SURF_VM_STATE_RUNNING,
175 SURF_VM_STATE_MIGRATING,
177 /* Suspend/resume does not involve disk I/O, so we assume there is no transition states. */
178 SURF_VM_STATE_SUSPENDED,
180 /* Save/restore involves disk I/O, so there should be transition states. */
181 SURF_VM_STATE_SAVING,
183 SURF_VM_STATE_RESTORING,
187 /***************************/
188 /* Generic model object */
189 /***************************/
190 //FIXME:REMOVE typedef struct s_routing_platf s_routing_platf_t, *routing_platf_t;
191 XBT_PUBLIC_DATA(routing_platf_t) routing_platf;
193 static inline void *surf_cpu_resource_priv(const void *host) {
194 return xbt_lib_get_level((xbt_dictelm_t)host, SURF_CPU_LEVEL);
196 static inline void *surf_workstation_resource_priv(const void *host){
197 return (void*)xbt_lib_get_level((xbt_dictelm_t)host, SURF_WKS_LEVEL);
199 static inline void *surf_storage_resource_priv(const void *storage){
200 return (void*)xbt_lib_get_level((xbt_dictelm_t)storage, SURF_STORAGE_LEVEL);
203 static inline void *surf_cpu_resource_by_name(const char *name) {
204 return xbt_lib_get_elm_or_null(host_lib, name);
206 static inline void *surf_workstation_resource_by_name(const char *name){
207 return xbt_lib_get_elm_or_null(host_lib, name);
209 static inline void *surf_storage_resource_by_name(const char *name){
210 return xbt_lib_get_elm_or_null(storage_lib, name);
216 char *surf_routing_edge_name(sg_routing_edge_t edge);
217 void *surf_as_cluster_get_backbone(AS_t as);
218 void surf_as_cluster_set_backbone(AS_t as, void* backbone);
219 const char *surf_model_name(surf_model_t model);
220 xbt_swag_t surf_model_done_action_set(surf_model_t model);
221 xbt_swag_t surf_model_failed_action_set(surf_model_t model);
222 xbt_swag_t surf_model_ready_action_set(surf_model_t model);
223 xbt_swag_t surf_model_running_action_set(surf_model_t model);
224 surf_action_t surf_workstation_model_execute_parallel_task(surf_workstation_model_t model,
226 void **workstation_list,
227 double *computation_amount,
228 double *communication_amount,
230 surf_action_t surf_workstation_model_communicate(surf_workstation_model_t model, surf_resource_t src, surf_resource_t dst, double size, double rate);
231 xbt_dynar_t surf_workstation_model_get_route(surf_workstation_model_t model, surf_resource_t src, surf_resource_t dst);
232 void surf_vm_workstation_model_create(const char *name, surf_resource_t ind_phys_host);
233 surf_action_t surf_network_model_communicate(surf_network_model_t model, sg_routing_edge_t src, sg_routing_edge_t dst, double size, double rate);
234 const char *surf_resource_name(surf_cpp_resource_t resource);
235 xbt_dict_t surf_resource_get_properties(surf_cpp_resource_t resource);
236 e_surf_resource_state_t surf_resource_get_state(surf_cpp_resource_t resource);
237 void surf_resource_set_state(surf_cpp_resource_t resource, e_surf_resource_state_t state);
238 double surf_workstation_get_speed(surf_resource_t resource, double load);
239 double surf_workstation_get_available_speed(surf_resource_t resource);
240 int surf_workstation_get_core(surf_resource_t resource);
241 surf_action_t surf_workstation_execute(surf_resource_t resource, double size);
242 surf_action_t surf_workstation_sleep(surf_resource_t resource, double duration);
243 surf_action_t surf_workstation_open(surf_resource_t workstation, const char* mount, const char* path);
244 surf_action_t surf_workstation_close(surf_resource_t workstation, surf_file_t fd);
245 surf_action_t surf_workstation_read(surf_resource_t resource, surf_file_t fd, sg_size_t size);
246 surf_action_t surf_workstation_write(surf_resource_t resource, surf_file_t fd, sg_size_t size);
247 xbt_dynar_t surf_workstation_get_info(surf_resource_t resource, surf_file_t fd);
248 sg_size_t surf_workstation_get_free_size(surf_resource_t resource, const char* name);
249 sg_size_t surf_workstation_get_used_size(surf_resource_t resource, const char* name);
250 xbt_dynar_t surf_workstation_get_vms(surf_resource_t resource);
251 void surf_workstation_get_params(surf_resource_t resource, ws_params_t params);
252 void surf_workstation_set_params(surf_resource_t resource, ws_params_t params);
253 void surf_vm_workstation_destroy(surf_resource_t resource);
254 void surf_vm_workstation_suspend(surf_resource_t resource);
255 void surf_vm_workstation_resume(surf_resource_t resource);
256 void surf_vm_workstation_save(surf_resource_t resource);
257 void surf_vm_workstation_restore(surf_resource_t resource);
258 void surf_vm_workstation_migrate(surf_resource_t resource, surf_resource_t ind_vm_ws_dest);
259 surf_resource_t surf_vm_workstation_get_pm(surf_resource_t resource);
260 void surf_vm_workstation_set_bound(surf_resource_t resource, double bound);
261 void surf_vm_workstation_set_affinity(surf_resource_t resource, surf_resource_t cpu, unsigned long mask);
262 surf_action_t surf_cpu_execute(surf_resource_t cpu, double size);
263 surf_action_t surf_cpu_sleep(surf_resource_t cpu, double duration);
264 double surf_workstation_get_current_power_peak(surf_resource_t host);
265 double surf_workstation_get_power_peak_at(surf_resource_t host, int pstate_index);
266 int surf_workstation_get_nb_pstates(surf_resource_t host);
267 void surf_workstation_set_power_peak_at(surf_resource_t host, int pstate_index);
268 double surf_workstation_get_consumed_energy(surf_resource_t host);
269 xbt_dict_t surf_workstation_get_storage_list(surf_resource_t workstation);
270 int surf_workstation_unlink(surf_resource_t workstation, surf_file_t fd);
271 surf_action_t surf_workstation_ls(surf_resource_t workstation, const char* mount, const char *path);
272 size_t surf_workstation_get_size(surf_resource_t workstation, surf_file_t fd);
273 size_t surf_workstation_file_tell(surf_resource_t workstation, surf_file_t fd);
274 int surf_workstation_file_seek(surf_resource_t workstation, surf_file_t fd, sg_size_t offset, int origin);
275 int surf_network_link_is_shared(surf_cpp_resource_t link);
276 double surf_network_link_get_bandwidth(surf_cpp_resource_t link);
277 double surf_network_link_get_latency(surf_cpp_resource_t link);
278 xbt_dict_t surf_storage_get_content(surf_resource_t resource);
279 sg_size_t surf_storage_get_size(surf_resource_t resource);
280 void surf_storage_rename(surf_resource_t resource, const char* src, const char* dest);
281 void *surf_action_get_data(surf_action_t action);
282 void surf_action_set_data(surf_action_t action, void *data);
283 void surf_action_unref(surf_action_t action);
284 double surf_action_get_start_time(surf_action_t action);
285 double surf_action_get_finish_time(surf_action_t action);
286 double surf_action_get_remains(surf_action_t action);
287 void surf_action_suspend(surf_action_t action);
288 void surf_action_resume(surf_action_t action);
289 void surf_action_cancel(surf_action_t action);
290 void surf_action_set_priority(surf_action_t action, double priority);
291 void surf_action_set_category(surf_action_t action, const char *category);
292 e_surf_action_state_t surf_action_get_state(surf_action_t action);
293 int surf_action_get_cost(surf_action_t action);
294 void surf_cpu_action_set_affinity(surf_action_t action, surf_resource_t cpu, unsigned long mask);
295 void surf_cpu_action_set_bound(surf_action_t action, double bound);
296 surf_file_t surf_storage_action_get_file(surf_action_t action);
297 xbt_dict_t surf_storage_action_get_ls_dict(surf_action_t action);
298 surf_model_t surf_resource_model(const void *host, int level);
303 /**************************************/
304 /* Implementations of model object */
305 /**************************************/
308 /** \ingroup SURF_models
309 * \brief The CPU model object for the physical machine layer
311 XBT_PUBLIC_DATA(surf_cpu_model_t) surf_cpu_model_pm;
313 /** \ingroup SURF_models
314 * \brief The CPU model object for the virtual machine layer
316 XBT_PUBLIC_DATA(surf_cpu_model_t) surf_cpu_model_vm;
319 /** \ingroup SURF_models
320 * \brief Initializes the CPU model with the model Cas01
322 * By default, this model uses the lazy optimization mechanism that
323 * relies on partial invalidation in LMM and a heap for lazy action update.
324 * You can change this behavior by setting the cpu/optim configuration
325 * variable to a different value.
327 * You shouldn't have to call it by yourself.
329 XBT_PUBLIC(void) surf_cpu_model_init_Cas01(void);
331 /** \ingroup SURF_models
332 * \brief Initializes the CPU model with trace integration [Deprecated]
334 * You shouldn't have to call it by yourself.
336 XBT_PUBLIC(void) surf_cpu_model_init_ti(void);
338 /** \ingroup SURF_models
339 * \brief The list of all available optimization modes (both for cpu and networks).
340 * These optimization modes can be set using --cfg=cpu/optim:... and --cfg=network/optim:...
342 XBT_PUBLIC_DATA(s_surf_model_description_t) surf_optimization_mode_description[];
344 /** \ingroup SURF_models
345 * \brief The list of all available cpu model models
347 XBT_PUBLIC_DATA(s_surf_model_description_t) surf_cpu_model_description[];
349 /**\brief create new host bypass the parser
354 /** \ingroup SURF_models
355 * \brief The network model
357 * When creating a new API on top on SURF, you shouldn't use the
358 * network model unless you know what you are doing. Only the workstation
359 * model should be accessed because depending on the platform model,
360 * the network model can be NULL.
362 XBT_PUBLIC_DATA(surf_network_model_t) surf_network_model;
364 /** \ingroup SURF_models
365 * \brief Same as network model 'LagrangeVelho', only with different correction factors.
367 * This model is proposed by Pierre-Nicolas Clauss and Martin Quinson and Stéphane Génaud
368 * based on the model 'LV08' and different correction factors depending on the communication
369 * size (< 1KiB, < 64KiB, >= 64KiB).
370 * See comments in the code for more information.
372 * \see surf_workstation_model_init_SMPI()
374 XBT_PUBLIC(void) surf_network_model_init_SMPI(void);
376 /** \ingroup SURF_models
377 * \brief Initializes the platform with the network model 'LegrandVelho'
379 * This model is proposed by Arnaud Legrand and Pedro Velho based on
380 * the results obtained with the GTNets simulator for onelink and
381 * dogbone sharing scenarios. See comments in the code for more information.
383 * \see surf_workstation_model_init_LegrandVelho()
385 XBT_PUBLIC(void) surf_network_model_init_LegrandVelho(void);
387 /** \ingroup SURF_models
388 * \brief Initializes the platform with the network model 'Constant'
390 * In this model, the communication time between two network cards is
391 * constant, hence no need for a routing table. This is particularly
392 * usefull when simulating huge distributed algorithms where
393 * scalability is really an issue. This function is called in
394 * conjunction with surf_workstation_model_init_compound.
396 * \see surf_workstation_model_init_compound()
398 XBT_PUBLIC(void) surf_network_model_init_Constant(void);
400 /** \ingroup SURF_models
401 * \brief Initializes the platform with the network model CM02
403 * You sould call this function by yourself only if you plan using
404 * surf_workstation_model_init_compound.
405 * See comments in the code for more information.
407 XBT_PUBLIC(void) surf_network_model_init_CM02(void);
410 /** \ingroup SURF_models
411 * \brief Initializes the platform with the network model GTNETS
412 * \param filename XML platform file name
414 * This function is called by surf_workstation_model_init_GTNETS
415 * or by yourself only if you plan using surf_workstation_model_init_compound
417 * \see surf_workstation_model_init_GTNETS()
419 XBT_PUBLIC(void) surf_network_model_init_GTNETS(void);
423 /** \ingroup SURF_models
424 * \brief Initializes the platform with the network model NS3
425 * \param filename XML platform file name
427 * This function is called by surf_workstation_model_init_NS3
428 * or by yourself only if you plan using surf_workstation_model_init_compound
430 * \see surf_workstation_model_init_NS3()
432 XBT_PUBLIC(void) surf_network_model_init_NS3(void);
435 /** \ingroup SURF_models
436 * \brief Initializes the platform with the network model Reno
437 * \param filename XML platform file name
439 * The problem is related to max( sum( arctan(C * Df * xi) ) ).
442 * [LOW03] S. H. Low. A duality model of TCP and queue management algorithms.
443 * IEEE/ACM Transaction on Networking, 11(4):525-536, 2003.
445 * Call this function only if you plan using surf_workstation_model_init_compound.
448 XBT_PUBLIC(void) surf_network_model_init_Reno(void);
450 /** \ingroup SURF_models
451 * \brief Initializes the platform with the network model Reno2
452 * \param filename XML platform file name
454 * The problem is related to max( sum( arctan(C * Df * xi) ) ).
457 * [LOW01] S. H. Low. A duality model of TCP and queue management algorithms.
458 * IEEE/ACM Transaction on Networking, 11(4):525-536, 2003.
460 * Call this function only if you plan using surf_workstation_model_init_compound.
463 XBT_PUBLIC(void) surf_network_model_init_Reno2(void);
465 /** \ingroup SURF_models
466 * \brief Initializes the platform with the network model Vegas
467 * \param filename XML platform file name
469 * This problem is related to max( sum( a * Df * ln(xi) ) ) which is equivalent
470 * to the proportional fairness.
473 * [LOW03] S. H. Low. A duality model of TCP and queue management algorithms.
474 * IEEE/ACM Transaction on Networking, 11(4):525-536, 2003.
476 * Call this function only if you plan using surf_workstation_model_init_compound.
479 XBT_PUBLIC(void) surf_network_model_init_Vegas(void);
481 /** \ingroup SURF_models
482 * \brief The list of all available network model models
484 XBT_PUBLIC_DATA(s_surf_model_description_t)
485 surf_network_model_description[];
487 /** \ingroup SURF_models
488 * \brief The storage model
490 XBT_PUBLIC(void) surf_storage_model_init_default(void);
492 /** \ingroup SURF_models
493 * \brief The list of all available storage modes.
494 * This storage mode can be set using --cfg=storage/model:...
496 XBT_PUBLIC_DATA(s_surf_model_description_t) surf_storage_model_description[];
498 XBT_PUBLIC_DATA(surf_storage_model_t) surf_storage_model;
500 /** \ingroup SURF_models
501 * \brief The workstation model
503 * Note that when you create an API on top of SURF,
504 * the workstation model should be the only one you use
505 * because depending on the platform model, the network model and the CPU model
508 XBT_PUBLIC_DATA(surf_workstation_model_t) surf_workstation_model;
510 /** \ingroup SURF_models
511 * \brief The vm_workstation model
513 * Note that when you create an API on top of SURF,
514 * the vm_workstation model should be the only one you use
515 * because depending on the platform model, the network model and the CPU model
518 XBT_PUBLIC_DATA(surf_vm_workstation_model_t) surf_vm_workstation_model;
520 /** \ingroup SURF_models
521 * \brief Initializes the platform with a compound workstation model
523 * This function should be called after a cpu_model and a
524 * network_model have been set up.
527 XBT_PUBLIC(void) surf_workstation_model_init_compound(void);
529 /** \ingroup SURF_models
530 * \brief Initializes the platform with the current best network and cpu models at hand
532 * This platform model seperates the workstation model and the network model.
533 * The workstation model will be initialized with the model compound, the network
534 * model with the model LV08 (with cross traffic support) and the CPU model with
536 * Such model is subject to modification with warning in the ChangeLog so monitor it!
539 XBT_PUBLIC(void) surf_workstation_model_init_current_default(void);
541 /** \ingroup SURF_models
542 * \brief Initializes the platform with the model KCCFLN05
544 * With this model, only parallel tasks can be used. Resource sharing
545 * is done by identifying bottlenecks and giving an equal share of
546 * the model to each action.
549 XBT_PUBLIC(void) surf_workstation_model_init_ptask_L07(void);
551 /** \ingroup SURF_models
552 * \brief The list of all available workstation model models
554 XBT_PUBLIC_DATA(s_surf_model_description_t)
555 surf_workstation_model_description[];
557 /** \ingroup SURF_models
558 * \brief Initializes the platform with the current best network and cpu models at hand
560 * This platform model seperates the workstation model and the network model.
561 * The workstation model will be initialized with the model compound, the network
562 * model with the model LV08 (with cross traffic support) and the CPU model with
564 * Such model is subject to modification with warning in the ChangeLog so monitor it!
567 XBT_PUBLIC(void) surf_vm_workstation_model_init_current_default(void);
569 /** \ingroup SURF_models
570 * \brief The list of all available vm workstation model models
572 XBT_PUBLIC_DATA(s_surf_model_description_t)
573 surf_vm_workstation_model_description[];
575 /*******************************************/
577 /** \ingroup SURF_models
578 * \brief List of initialized models
580 XBT_PUBLIC_DATA(xbt_dynar_t) model_list;
581 XBT_PUBLIC_DATA(xbt_dynar_t) model_list_invoke;
583 /** \ingroup SURF_simulation
584 * \brief List of hosts that have juste restarted and whose autorestart process should be restarted.
586 XBT_PUBLIC_DATA(xbt_dynar_t) host_that_restart;
588 /** \ingroup SURF_simulation
589 * \brief List of hosts for which one want to be notified if they ever restart.
591 XBT_PUBLIC(xbt_dict_t) watched_hosts_lib;
593 /*******************************************/
594 /*** SURF Platform *************************/
595 /*******************************************/
599 XBT_PUBLIC_DATA(AS_t) surf_AS_get_routing_root(void);
600 XBT_PUBLIC_DATA(const char *) surf_AS_get_name(AS_t as);
601 XBT_PUBLIC_DATA(xbt_dict_t) surf_AS_get_routing_sons(AS_t as);
602 XBT_PUBLIC_DATA(const char *) surf_AS_get_model(AS_t as);
603 XBT_PUBLIC_DATA(xbt_dynar_t) surf_AS_get_hosts(AS_t as);
604 XBT_PUBLIC_DATA(void) surf_AS_get_graph(AS_t as, xbt_graph_t graph, xbt_dict_t nodes, xbt_dict_t edges);
605 XBT_PUBLIC_DATA(AS_t) surf_platf_get_root(routing_platf_t platf);
606 XBT_PUBLIC_DATA(e_surf_network_element_type_t) surf_routing_edge_get_rc_type(sg_routing_edge_t edge);
611 /*******************************************/
612 /*** SURF Globals **************************/
613 /*******************************************/
615 /** \ingroup SURF_simulation
616 * \brief Initialize SURF
617 * \param argc argument number
618 * \param argv arguments
620 * This function has to be called to initialize the common
621 * structures. Then you will have to create the environment by
623 * e.g. surf_workstation_model_init_CM02()
625 * \see surf_workstation_model_init_CM02(), surf_workstation_model_init_compound(), surf_exit()
627 XBT_PUBLIC(void) surf_init(int *argc, char **argv); /* initialize common structures */
629 /** \ingroup SURF_simulation
630 * \brief Finish simulation initialization
632 * This function must be called before the first call to surf_solve()
634 XBT_PUBLIC(void) surf_presolve(void);
636 /** \ingroup SURF_simulation
637 * \brief Performs a part of the simulation
638 * \param max_date Maximum date to update the simulation to, or -1
639 * \return the elapsed time, or -1.0 if no event could be executed
641 * This function execute all possible events, update the action states
642 * and returns the time elapsed.
643 * When you call execute or communicate on a model, the corresponding actions
644 * are not executed immediately but only when you call surf_solve.
645 * Note that the returned elapsed time can be zero.
647 XBT_PUBLIC(double) surf_solve(double max_date);
649 /** \ingroup SURF_simulation
650 * \brief Return the current time
652 * Return the current time in millisecond.
654 XBT_PUBLIC(double) surf_get_clock(void);
656 /** \ingroup SURF_simulation
663 XBT_PUBLIC(void) surf_exit(void);
665 /* Prototypes of the functions that handle the properties */
666 XBT_PUBLIC_DATA(xbt_dict_t) current_property_set; /* the prop set for the currently parsed element (also used in SIMIX) */
668 /* surf parse file related (public because called from a test suite) */
669 XBT_PUBLIC(void) parse_platform_file(const char *file);
671 /* For the trace and trace:connect tag (store their content till the end of the parsing) */
672 XBT_PUBLIC_DATA(xbt_dict_t) traces_set_list;
673 XBT_PUBLIC_DATA(xbt_dict_t) trace_connect_list_host_avail;
674 XBT_PUBLIC_DATA(xbt_dict_t) trace_connect_list_power;
675 XBT_PUBLIC_DATA(xbt_dict_t) trace_connect_list_link_avail;
676 XBT_PUBLIC_DATA(xbt_dict_t) trace_connect_list_bandwidth;
677 XBT_PUBLIC_DATA(xbt_dict_t) trace_connect_list_latency;
680 XBT_PUBLIC(double) get_cpu_power(const char *power);
682 XBT_PUBLIC(xbt_dict_t) get_as_router_properties(const char* name);
684 int surf_get_nthreads(void);
685 void surf_set_nthreads(int nthreads);
688 * Returns the initial path. On Windows the initial path is
689 * the current directory for the current process in the other
690 * case the function returns "./" that represents the current
691 * directory on Unix/Linux platforms.
693 const char *__surf_get_initial_path(void);
695 /********** Tracing **********/
696 /* from surf_instr.c */
697 void TRACE_surf_action(surf_action_t surf_action, const char *category);
698 void TRACE_surf_alloc(void);
699 void TRACE_surf_release(void);
701 /* instr_routing.c */
702 void instr_routing_define_callbacks (void);
703 void instr_new_variable_type (const char *new_typename, const char *color);
704 void instr_new_user_variable_type (const char *father_type, const char *new_typename, const char *color);
705 void instr_new_user_state_type (const char *father_type, const char *new_typename);
706 void instr_new_value_for_user_state_type (const char *_typename, const char *value, const char *color);
707 int instr_platform_traced (void);
708 xbt_graph_t instr_routing_platform_graph (void);
709 void instr_routing_platform_graph_export_graphviz (xbt_graph_t g, const char *filename);
712 #endif /* _SURF_SURF_H */