1 /* Copyright (c) 2004, 2005, 2006, 2007, 2008, 2009, 2010. 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"
14 #include "xbt/file_stat.h"
16 #include "xbt/config.h"
17 #include "surf/datatypes.h"
19 #include "surf/surf_routing.h"
20 #include "simgrid/platf_interface.h"
23 /* Actions and models are highly connected structures... */
26 SURF_NETWORK_ELEMENT_NULL = 0, /* NULL */
27 SURF_NETWORK_ELEMENT_HOST, /* host type */
28 SURF_NETWORK_ELEMENT_ROUTER, /* router type */
29 SURF_NETWORK_ELEMENT_AS /* AS type */
30 } e_surf_network_element_type_t;
32 XBT_PUBLIC(e_surf_network_element_type_t)
33 routing_get_network_element_type(const char* name);
35 /** @Brief Specify that we use that action */
36 XBT_PUBLIC(void) surf_action_ref(surf_action_t action);
38 /** @brief Creates a new action.
40 * @param size The size is the one of the subtype you want to create
41 * @param cost initial value
42 * @param model to which model we should attach this action
43 * @param failed whether we should start this action in failed mode
45 XBT_PUBLIC(void *) surf_action_new(size_t size, double cost,
46 surf_model_t model, int failed);
48 /** \brief Resource model description
50 typedef struct surf_model_description {
52 const char *description;
53 void_f_void_t model_init_preparse;
54 } s_surf_model_description_t, *surf_model_description_t;
56 XBT_PUBLIC(int) find_model_description(s_surf_model_description_t * table,
58 XBT_PUBLIC(void) model_help(const char *category,
59 s_surf_model_description_t * table);
61 enum heap_action_type{
68 /** \ingroup SURF_actions
69 * \brief Action structure
71 * Never create s_surf_action_t by yourself ! The actions are created
72 * on the fly when you call execute or communicate on a model.
74 * \see e_surf_action_state_t
76 typedef struct surf_action {
77 s_xbt_swag_hookup_t state_hookup;
79 double cost; /**< cost */
80 double priority; /**< priority (1.0 by default) */
81 double max_duration; /**< max_duration (may fluctuate until
82 the task is completed) */
83 double remains; /**< How much of that cost remains to
84 * be done in the currently running task */
85 #ifdef HAVE_LATENCY_BOUND_TRACKING
86 int latency_limited; /**< Set to 1 if is limited by latency, 0 otherwise */
89 double start; /**< start time */
90 double finish; /**< finish time : this is modified during the run
91 * and fluctuates until the task is completed */
92 void *data; /**< for your convenience */
94 surf_model_t model_type;
96 char *category; /**< tracing category for categorized resource utilization monitoring */
98 surf_file_t file; /**< surf_file_t for storage model */
99 s_file_stat_t stat; /**< surf_file_t for storage model */
103 typedef struct surf_action_lmm {
104 s_surf_action_t generic_action;
105 lmm_variable_t variable;
107 s_xbt_swag_hookup_t action_list_hookup;
111 enum heap_action_type hat;
112 } s_surf_action_lmm_t, *surf_action_lmm_t;
114 /** \ingroup SURF_actions
115 * \brief Action states
119 * \see surf_action_t, surf_action_state_t
122 SURF_ACTION_READY = 0, /**< Ready */
123 SURF_ACTION_RUNNING, /**< Running */
124 SURF_ACTION_FAILED, /**< Task Failure */
125 SURF_ACTION_DONE, /**< Completed */
126 SURF_ACTION_TO_FREE, /**< Action to free in next cleanup */
127 SURF_ACTION_NOT_IN_THE_SYSTEM
128 /**< Not in the system anymore. Why did you ask ? */
129 } e_surf_action_state_t;
131 /** \ingroup SURF_actions
132 * \brief Action state sets
134 * This structure contains some sets of actions.
135 * It provides a fast access to the actions in each state.
137 * \see surf_action_t, e_surf_action_state_t
139 typedef struct surf_action_state {
140 xbt_swag_t ready_action_set;
141 /**< Actions in state SURF_ACTION_READY */
142 xbt_swag_t running_action_set;
143 /**< Actions in state SURF_ACTION_RUNNING */
144 xbt_swag_t failed_action_set;
145 /**< Actions in state SURF_ACTION_FAILED */
146 xbt_swag_t done_action_set;
147 /**< Actions in state SURF_ACTION_DONE */
148 } s_surf_action_state_t, *surf_action_state_t;
150 /***************************/
151 /* Generic model object */
152 /***************************/
153 typedef struct s_routing_platf s_routing_platf_t, *routing_platf_t;
154 XBT_PUBLIC_DATA(routing_platf_t) routing_platf;
156 /*******************************************
157 * TUTORIAL: New model
158 * New model extension public
159 * Public functions specific to a New model.
161 typedef struct surf_new_model_extension_public {
162 surf_action_t(*fct) ();
163 void* (*create_resource) ();
164 } s_surf_model_extension_new_model_t;
165 /*******************************************/
167 /** \ingroup SURF_models
168 * \brief Private data available on all models
170 typedef struct surf_model_private *surf_model_private_t;
174 /** \ingroup SURF_models
175 * \brief CPU model extension public
177 * Public functions specific to the CPU model.
179 typedef struct surf_cpu_model_extension_public {
180 surf_action_t(*execute) (void *cpu, double size);
181 surf_action_t(*sleep) (void *cpu, double duration);
182 e_surf_resource_state_t(*get_state) (void *cpu);
183 double (*get_speed) (void *cpu, double load);
184 double (*get_available_speed) (void *cpu);
185 void* (*create_resource) (const char *name, double power_peak,
187 tmgr_trace_t power_trace,
189 e_surf_resource_state_t state_initial,
190 tmgr_trace_t state_trace,
191 xbt_dict_t cpu_properties);
192 void (*add_traces) (void);
193 } s_surf_model_extension_cpu_t;
197 /** \ingroup SURF_models
198 * \brief Network model extension public
200 * Public functions specific to the network model
202 typedef struct surf_network_model_extension_public {
203 surf_action_t (*communicate) (sg_routing_edge_t src,
204 sg_routing_edge_t dst,
205 double size, double rate);
206 xbt_dynar_t(*get_route) (void *src, void *dst); //FIXME: kill field? That is done by the routing nowadays
207 double (*get_link_bandwidth) (const void *link);
208 double (*get_link_latency) (const void *link);
209 int (*link_shared) (const void *link);
210 void (*add_traces) (void);
211 void* (*create_resource) (const char *name,
213 tmgr_trace_t bw_trace,
215 tmgr_trace_t lat_trace,
216 e_surf_resource_state_t
218 tmgr_trace_t state_trace,
219 e_surf_link_sharing_policy_t policy,
220 xbt_dict_t properties);
221 } s_surf_model_extension_network_t;
225 /** \ingroup SURF_models
226 * \brief Storage model extension public
228 * Public functions specific to the Storage model.
231 typedef struct surf_storage_model_extension_public {
232 surf_action_t(*open) (void *storage, const char* mount, const char* path, const char* mode);
233 surf_action_t(*close) (void *storage, surf_file_t fp);
234 surf_action_t(*read) (void *storage, void* ptr, double size, size_t nmemb, surf_file_t stream);
235 surf_action_t(*write) (void *storage, const void* ptr, size_t size, size_t nmemb, surf_file_t stream);
236 surf_action_t(*stat) (void *storage, surf_file_t stream);
237 surf_action_t(*unlink) (void *storage, surf_file_t stream);
238 surf_action_t(*ls) (void *storage, const char *path);
239 void* (*create_resource) (const char* id, const char* model, const char* type_id, const char *content);
240 } s_surf_model_extension_storage_t;
242 /** \ingroup SURF_models
243 * \brief Workstation model extension public
245 * Public functions specific to the workstation model.
247 typedef struct surf_workstation_model_extension_public {
248 surf_action_t(*execute) (void *workstation, double size); /**< Execute a computation amount on a workstation
249 and create the corresponding action */
250 surf_action_t(*sleep) (void *workstation, double duration); /**< Make a workstation sleep during a given duration */
251 e_surf_resource_state_t(*get_state) (void *workstation); /**< Return the CPU state of a workstation */
252 double (*get_speed) (void *workstation, double load); /**< Return the speed of a workstation */
253 double (*get_available_speed) (void *workstation); /**< Return tha available speed of a workstation */
254 surf_action_t(*communicate) (void *workstation_src, /**< Execute a communication amount between two workstations */
255 void *workstation_dst, double size,
257 // FIXME: kill next field, which duplicates the routing
258 xbt_dynar_t(*get_route) (void *workstation_src, void *workstation_dst); /**< Get the list of links between two ws */
260 surf_action_t(*execute_parallel_task) (int workstation_nb, /**< Execute a parallel task on several workstations */
261 void **workstation_list,
262 double *computation_amount,
263 double *communication_amount,
265 double (*get_link_bandwidth) (const void *link); /**< Return the current bandwidth of a network link */
266 double (*get_link_latency) (const void *link); /**< Return the current latency of a network link */
267 surf_action_t(*open) (void *workstation, const char* storage, const char* path, const char* mode);
268 surf_action_t(*close) (void *workstation, surf_file_t fp);
269 surf_action_t(*read) (void *workstation, void* ptr, size_t size, size_t nmemb, surf_file_t stream);
270 surf_action_t(*write) (void *workstation, const void* ptr, size_t size, size_t nmemb, surf_file_t stream);
271 surf_action_t(*stat) (void *workstation, surf_file_t stream);
272 surf_action_t(*unlink) (void *workstation, surf_file_t stream);
273 surf_action_t(*ls) (void *workstation, const char* mount, const char *path);
275 int (*link_shared) (const void *link);
276 xbt_dict_t(*get_properties) (const void *resource);
277 void* (*link_create_resource) (const char *name,
279 tmgr_trace_t bw_trace,
281 tmgr_trace_t lat_trace,
282 e_surf_resource_state_t
284 tmgr_trace_t state_trace,
285 e_surf_link_sharing_policy_t
286 policy, xbt_dict_t properties);
287 void* (*cpu_create_resource) (const char *name, double power_peak,
289 tmgr_trace_t power_trace,
290 e_surf_resource_state_t state_initial,
291 tmgr_trace_t state_trace,
292 xbt_dict_t cpu_properties);
293 void (*add_traces) (void);
295 } s_surf_model_extension_workstation_t;
300 /** \ingroup SURF_models
301 * \brief Model datatype
303 * Generic data structure for a model. The workstations,
304 * the CPUs and the network links are examples of models.
306 typedef struct surf_model {
307 const char *name; /**< Name of this model */
308 s_surf_action_state_t states; /**< Any living action on this model */
310 e_surf_action_state_t(*action_state_get) (surf_action_t action);
311 /**< Return the state of an action */
312 void (*action_state_set) (surf_action_t action,
313 e_surf_action_state_t state);
314 /**< Change an action state*/
316 double (*action_get_start_time) (surf_action_t action); /**< Return the start time of an action */
317 double (*action_get_finish_time) (surf_action_t action); /**< Return the finish time of an action */
318 int (*action_unref) (surf_action_t action); /**< Specify that we don't use that action anymore. Returns true if the action was destroyed and false if someone still has references on it. */
319 void (*action_cancel) (surf_action_t action); /**< Cancel a running action */
320 void (*action_recycle) (surf_action_t action); /**< Recycle an action */
321 void (*action_data_set) (surf_action_t action, void *data); /**< Set the user data of an action */
322 void (*suspend) (surf_action_t action); /**< Suspend an action */
323 void (*resume) (surf_action_t action); /**< Resume a suspended action */
324 int (*is_suspended) (surf_action_t action); /**< Return whether an action is suspended */
325 void (*set_max_duration) (surf_action_t action, double duration); /**< Set the max duration of an action*/
326 void (*set_priority) (surf_action_t action, double priority); /**< Set the priority of an action */
328 void (*set_category) (surf_action_t action, const char *category); /**< Set the category of an action */
330 double (*get_remains) (surf_action_t action); /**< Get the remains of an action */
331 #ifdef HAVE_LATENCY_BOUND_TRACKING
332 int (*get_latency_limited) (surf_action_t action); /**< Return 1 if action is limited by latency, 0 otherwise */
335 void (*gap_remove) (surf_action_lmm_t action);
337 surf_model_private_t model_private;
340 s_surf_model_extension_cpu_t cpu;
341 s_surf_model_extension_network_t network;
342 s_surf_model_extension_storage_t storage;
343 s_surf_model_extension_workstation_t workstation;
344 /*******************************************/
345 /* TUTORIAL: New model */
346 s_surf_model_extension_new_model_t new_model;
347 /*******************************************/
351 surf_model_t surf_model_init(void);
352 void surf_model_exit(surf_model_t model);
354 static inline void *surf_cpu_resource_by_name(const char *name) {
355 return xbt_lib_get_or_null(host_lib, name, SURF_CPU_LEVEL);
357 static inline void *surf_workstation_resource_by_name(const char *name){
358 return xbt_lib_get_or_null(host_lib, name, SURF_WKS_LEVEL);
360 static inline void *surf_storage_resource_by_name(const char *name){
361 return xbt_lib_get_or_null(storage_lib, name, SURF_STORAGE_LEVEL);
364 typedef struct surf_resource {
367 xbt_dict_t properties;
368 } s_surf_resource_t, *surf_resource_t;
371 * Resource which have a metric handled by a maxmin system
376 tmgr_trace_event_t event;
379 typedef struct surf_resource_lmm {
380 s_surf_resource_t generic_resource;
381 lmm_constraint_t constraint;
382 e_surf_resource_state_t state_current;
383 tmgr_trace_event_t state_event;
384 s_surf_metric_t power;
385 } s_surf_resource_lmm_t, *surf_resource_lmm_t;
387 /**************************************/
388 /* Implementations of model object */
389 /**************************************/
392 /** \ingroup SURF_models
393 * \brief The CPU model
395 XBT_PUBLIC_DATA(surf_model_t) surf_cpu_model;
397 /** \ingroup SURF_models
398 * \brief Initializes the CPU model with the model Cas01
400 * By default, this model uses the lazy optimization mechanism that
401 * relies on partial invalidation in LMM and a heap for lazy action update.
402 * You can change this behavior by setting the cpu/optim configuration
403 * variable to a different value.
405 * This function is called by surf_workstation_model_init_CLM03
406 * so you shouldn't have to call it by yourself.
408 * \see surf_workstation_model_init_CLM03()
410 XBT_PUBLIC(void) surf_cpu_model_init_Cas01(void);
412 /** \ingroup SURF_models
413 * \brief Initializes the CPU model with trace integration [Deprecated]
415 * You shouldn't have to call it by yourself.
416 * \see surf_workstation_model_init_CLM03()
418 XBT_PUBLIC(void) surf_cpu_model_init_ti(void);
420 /** \brief This function call the share resources function needed
423 XBT_PUBLIC(double) generic_share_resources(double now);
425 /** \brief This function call the update action state function needed
428 XBT_PUBLIC(void) generic_update_actions_state(double now, double delta);
430 /** \ingroup SURF_models
431 * \brief The list of all available optimization modes (both for cpu and networks).
432 * These optimization modes can be set using --cfg=cpu/optim:... and --cfg=network/optim:...
434 XBT_PUBLIC_DATA(s_surf_model_description_t) surf_optimization_mode_description[];
436 /** \ingroup SURF_models
437 * \brief The list of all available cpu model models
439 XBT_PUBLIC_DATA(s_surf_model_description_t) surf_cpu_model_description[];
441 XBT_PUBLIC(void) create_workstations(void);
443 /**\brief create new host bypass the parser
448 /** \ingroup SURF_models
449 * \brief The network model
451 * When creating a new API on top on SURF, you shouldn't use the
452 * network model unless you know what you are doing. Only the workstation
453 * model should be accessed because depending on the platform model,
454 * the network model can be NULL.
456 XBT_PUBLIC_DATA(surf_model_t) surf_network_model;
458 /** \ingroup SURF_models
459 * \brief Same as network model 'LagrangeVelho', only with different correction factors.
461 * This model is proposed by Pierre-Nicolas Clauss and Martin Quinson and Stéphane Génaud
462 * based on the model 'LV08' and different correction factors depending on the communication
463 * size (< 1KiB, < 64KiB, >= 64KiB).
464 * See comments in the code for more information.
466 * \see surf_workstation_model_init_SMPI()
468 XBT_PUBLIC(void) surf_network_model_init_SMPI(void);
470 /** \ingroup SURF_models
471 * \brief Initializes the platform with the network model 'LegrandVelho'
473 * This model is proposed by Arnaud Legrand and Pedro Velho based on
474 * the results obtained with the GTNets simulator for onelink and
475 * dogbone sharing scenarios. See comments in the code for more information.
477 * \see surf_workstation_model_init_LegrandVelho()
479 XBT_PUBLIC(void) surf_network_model_init_LegrandVelho(void);
481 /** \ingroup SURF_models
482 * \brief Initializes the platform with the network model 'Constant'
484 * In this model, the communication time between two network cards is
485 * constant, hence no need for a routing table. This is particularly
486 * usefull when simulating huge distributed algorithms where
487 * scalability is really an issue. This function is called in
488 * conjunction with surf_workstation_model_init_compound.
490 * \see surf_workstation_model_init_compound()
492 XBT_PUBLIC(void) surf_network_model_init_Constant(void);
494 /** \ingroup SURF_models
495 * \brief Initializes the platform with the network model CM02
497 * This function is called by surf_workstation_model_init_CLM03
498 * or by yourself only if you plan using surf_workstation_model_init_compound
499 * See comments in the code for more information.
501 * \see surf_workstation_model_init_CLM03()
503 XBT_PUBLIC(void) surf_network_model_init_CM02(void);
506 * brief initialize the the network model bypassing the XML parser
508 XBT_PUBLIC(void) surf_network_model_init_bypass(const char *id,
513 /** \ingroup SURF_models
514 * \brief Initializes the platform with the network model GTNETS
515 * \param filename XML platform file name
517 * This function is called by surf_workstation_model_init_GTNETS
518 * or by yourself only if you plan using surf_workstation_model_init_compound
520 * \see surf_workstation_model_init_GTNETS()
522 XBT_PUBLIC(void) surf_network_model_init_GTNETS(void);
526 /** \ingroup SURF_models
527 * \brief Initializes the platform with the network model NS3
528 * \param filename XML platform file name
530 * This function is called by surf_workstation_model_init_NS3
531 * or by yourself only if you plan using surf_workstation_model_init_compound
533 * \see surf_workstation_model_init_NS3()
535 XBT_PUBLIC(void) surf_network_model_init_NS3(void);
538 /** \ingroup SURF_models
539 * \brief Initializes the platform with the network model Reno
540 * \param filename XML platform file name
542 * The problem is related to max( sum( arctan(C * Df * xi) ) ).
545 * [LOW03] S. H. Low. A duality model of TCP and queue management algorithms.
546 * IEEE/ACM Transaction on Networking, 11(4):525-536, 2003.
548 * Call this function only if you plan using surf_workstation_model_init_compound.
551 XBT_PUBLIC(void) surf_network_model_init_Reno(void);
553 /** \ingroup SURF_models
554 * \brief Initializes the platform with the network model Reno2
555 * \param filename XML platform file name
557 * The problem is related to max( sum( arctan(C * Df * xi) ) ).
560 * [LOW01] S. H. Low. A duality model of TCP and queue management algorithms.
561 * IEEE/ACM Transaction on Networking, 11(4):525-536, 2003.
563 * Call this function only if you plan using surf_workstation_model_init_compound.
566 XBT_PUBLIC(void) surf_network_model_init_Reno2(void);
568 /** \ingroup SURF_models
569 * \brief Initializes the platform with the network model Vegas
570 * \param filename XML platform file name
572 * This problem is related to max( sum( a * Df * ln(xi) ) ) which is equivalent
573 * to the proportional fairness.
576 * [LOW03] S. H. Low. A duality model of TCP and queue management algorithms.
577 * IEEE/ACM Transaction on Networking, 11(4):525-536, 2003.
579 * Call this function only if you plan using surf_workstation_model_init_compound.
582 XBT_PUBLIC(void) surf_network_model_init_Vegas(void);
584 /** \ingroup SURF_models
585 * \brief The list of all available network model models
587 XBT_PUBLIC_DATA(s_surf_model_description_t)
588 surf_network_model_description[];
590 /** \ingroup SURF_models
591 * \brief The storage model
593 XBT_PUBLIC(void) surf_storage_model_init_default(void);
595 /** \ingroup SURF_models
596 * \brief The list of all available storage modes.
597 * This storage mode can be set using --cfg=storage/model:...
599 XBT_PUBLIC_DATA(s_surf_model_description_t) surf_storage_model_description[];
601 /** \ingroup SURF_models
602 * \brief The workstation model
604 * Note that when you create an API on top of SURF,
605 * the workstation model should be the only one you use
606 * because depending on the platform model, the network model and the CPU model
609 XBT_PUBLIC_DATA(surf_model_t) surf_workstation_model;
611 /** \ingroup SURF_models
612 * \brief Initializes the platform with a compound workstation model
614 * This function should be called after a cpu_model and a
615 * network_model have been set up.
618 XBT_PUBLIC(void) surf_workstation_model_init_compound(void);
620 /** \ingroup SURF_models
621 * \brief Initializes the platform with the current best network and cpu models at hand
623 * This platform model seperates the workstation model and the network model.
624 * The workstation model will be initialized with the model compound, the network
625 * model with the model LV08 (with cross traffic support) and the CPU model with
627 * Such model is subject to modification with warning in the ChangeLog so monitor it!
630 XBT_PUBLIC(void) surf_workstation_model_init_current_default(void);
632 /** \ingroup SURF_models
633 * \brief Initializes the platform with the workstation model CLM03
635 * This platform model seperates the workstation model and the network model.
636 * The workstation model will be initialized with the model CLM03, the network
637 * model with the model CM02 and the CPU model with the model Cas01.
638 * In future releases, some other network models will be implemented and will be
639 * combined with the workstation model CLM03.
642 XBT_PUBLIC(void) surf_workstation_model_init_CLM03(void);
644 /** \ingroup SURF_models
645 * \brief Initializes the platform with the model KCCFLN05
647 * With this model, only parallel tasks can be used. Resource sharing
648 * is done by identifying bottlenecks and giving an equal share of
649 * the model to each action.
652 XBT_PUBLIC(void) surf_workstation_model_init_ptask_L07(void);
654 /** \ingroup SURF_models
655 * \brief The list of all available workstation model models
657 XBT_PUBLIC_DATA(s_surf_model_description_t)
658 surf_workstation_model_description[];
660 /*******************************************
661 * TUTORIAL: New model
663 XBT_PUBLIC(void) surf_new_model_init_default(void);
664 XBT_PUBLIC_DATA(s_surf_model_description_t) surf_new_model_description[];
665 /*******************************************/
667 /** \ingroup SURF_models
668 * \brief List of initialized models
670 XBT_PUBLIC_DATA(xbt_dynar_t) model_list;
672 /*******************************************/
673 /*** SURF Globals **************************/
674 /*******************************************/
675 XBT_PUBLIC_DATA(xbt_cfg_t) _surf_cfg_set;
676 XBT_PUBLIC(int) surf_cfg_get_int(char* name);
677 XBT_PUBLIC(double) surf_cfg_get_double(char* name);
678 XBT_PUBLIC(char*) surf_cfg_get_string(char* name);
679 XBT_PUBLIC(void) surf_cfg_get_peer(const char *name, char **peer, int *port);
680 XBT_PUBLIC(xbt_dynar_t) surf_cfg_get_dynar(char* name);
682 /** \ingroup SURF_simulation
683 * \brief Initialize SURF
684 * \param argc argument number
685 * \param argv arguments
687 * This function has to be called to initialize the common
688 * structures. Then you will have to create the environment by
690 * e.g. surf_workstation_model_init_CLM03()
692 * \see surf_workstation_model_init_CLM03(), surf_workstation_model_init_compound(), surf_exit()
694 XBT_PUBLIC(void) surf_init(int *argc, char **argv); /* initialize common structures */
696 /** \ingroup SURF_simulation
697 * \brief Finish simulation initialization
699 * This function must be called before the first call to surf_solve()
701 XBT_PUBLIC(void) surf_presolve(void);
703 /** \ingroup SURF_simulation
704 * \brief Performs a part of the simulation
705 * \param max_date Maximum date to update the simulation to, or -1
706 * \return the elapsed time, or -1.0 if no event could be executed
708 * This function execute all possible events, update the action states
709 * and returns the time elapsed.
710 * When you call execute or communicate on a model, the corresponding actions
711 * are not executed immediately but only when you call surf_solve.
712 * Note that the returned elapsed time can be zero.
714 XBT_PUBLIC(double) surf_solve(double max_date);
716 /** \ingroup SURF_simulation
717 * \brief Return the current time
719 * Return the current time in millisecond.
721 XBT_PUBLIC(double) surf_get_clock(void);
723 /** \ingroup SURF_simulation
730 XBT_PUBLIC(void) surf_exit(void);
732 /* Prototypes of the functions that handle the properties */
733 XBT_PUBLIC_DATA(xbt_dict_t) current_property_set; /* the prop set for the currently parsed element (also used in SIMIX) */
734 XBT_PUBLIC(void) parse_properties(void);
736 /* surf parse file related (public because called from a test suite) */
737 XBT_PUBLIC(void) parse_platform_file(const char *file);
739 /* Stores the sets */
740 XBT_PUBLIC_DATA(xbt_dict_t) set_list;
742 /* For the trace and trace:connect tag (store their content till the end of the parsing) */
743 XBT_PUBLIC_DATA(xbt_dict_t) traces_set_list;
744 XBT_PUBLIC_DATA(xbt_dict_t) trace_connect_list_host_avail;
745 XBT_PUBLIC_DATA(xbt_dict_t) trace_connect_list_power;
746 XBT_PUBLIC_DATA(xbt_dict_t) trace_connect_list_link_avail;
747 XBT_PUBLIC_DATA(xbt_dict_t) trace_connect_list_bandwidth;
748 XBT_PUBLIC_DATA(xbt_dict_t) trace_connect_list_latency;
751 XBT_PUBLIC(double) get_cpu_power(const char *power);
753 XBT_PUBLIC(xbt_dict_t) get_as_router_properties(const char* name);
755 int surf_get_nthreads(void);
756 void surf_set_nthreads(int nthreads);
758 void surf_watched_hosts(void);
761 #endif /* _SURF_SURF_H */