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"
13 #include "xbt/graph.h"
15 #include "xbt/file_stat.h"
17 #include "xbt/config.h"
18 #include "surf/datatypes.h"
20 #include "surf/surf_routing.h"
21 #include "simgrid/platf_interface.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;
41 SURF_NETWORK_ELEMENT_NULL = 0, /* NULL */
42 SURF_NETWORK_ELEMENT_HOST, /* host type */
43 SURF_NETWORK_ELEMENT_ROUTER, /* router type */
44 SURF_NETWORK_ELEMENT_AS /* AS type */
45 } e_surf_network_element_type_t;
47 XBT_PUBLIC(e_surf_network_element_type_t)
48 routing_get_network_element_type(const char* name);
50 /** @Brief Specify that we use that action */
51 XBT_PUBLIC(void) surf_action_ref(surf_action_t action);
53 /** @brief Creates a new action.
55 * @param size The size is the one of the subtype you want to create
56 * @param cost initial value
57 * @param model to which model we should attach this action
58 * @param failed whether we should start this action in failed mode
60 XBT_PUBLIC(void *) surf_action_new(size_t size, double cost,
61 surf_model_t model, int failed);
63 /** \brief Resource model description
65 typedef struct surf_model_description {
67 const char *description;
68 void_f_void_t model_init_preparse;
69 } s_surf_model_description_t, *surf_model_description_t;
71 XBT_PUBLIC(int) find_model_description(s_surf_model_description_t * table,
73 XBT_PUBLIC(void) model_help(const char *category,
74 s_surf_model_description_t * table);
76 enum heap_action_type{
83 /** \ingroup SURF_actions
84 * \brief Action structure
86 * Never create s_surf_action_t by yourself ! The actions are created
87 * on the fly when you call execute or communicate on a model.
89 * \see e_surf_action_state_t
91 typedef struct surf_action {
92 s_xbt_swag_hookup_t state_hookup;
94 double cost; /**< cost */
95 double priority; /**< priority (1.0 by default) */
96 double max_duration; /**< max_duration (may fluctuate until
97 the task is completed) */
98 double remains; /**< How much of that cost remains to
99 * be done in the currently running task */
100 #ifdef HAVE_LATENCY_BOUND_TRACKING
101 int latency_limited; /**< Set to 1 if is limited by latency, 0 otherwise */
104 double start; /**< start time */
105 double finish; /**< finish time : this is modified during the run
106 * and fluctuates until the task is completed */
107 void *data; /**< for your convenience */
109 surf_model_t model_type;
111 char *category; /**< tracing category for categorized resource utilization monitoring */
113 surf_file_t file; /**< surf_file_t for storage model */
114 s_file_stat_t stat; /**< surf_file_t for storage model */
118 typedef struct surf_action_lmm {
119 s_surf_action_t generic_action;
120 lmm_variable_t variable;
122 s_xbt_swag_hookup_t action_list_hookup;
126 enum heap_action_type hat;
127 } s_surf_action_lmm_t, *surf_action_lmm_t;
129 /** \ingroup SURF_actions
130 * \brief Action states
134 * \see surf_action_t, surf_action_state_t
137 SURF_ACTION_READY = 0, /**< Ready */
138 SURF_ACTION_RUNNING, /**< Running */
139 SURF_ACTION_FAILED, /**< Task Failure */
140 SURF_ACTION_DONE, /**< Completed */
141 SURF_ACTION_TO_FREE, /**< Action to free in next cleanup */
142 SURF_ACTION_NOT_IN_THE_SYSTEM
143 /**< Not in the system anymore. Why did you ask ? */
144 } e_surf_action_state_t;
146 /** \ingroup SURF_actions
147 * \brief Action state sets
149 * This structure contains some sets of actions.
150 * It provides a fast access to the actions in each state.
152 * \see surf_action_t, e_surf_action_state_t
154 typedef struct surf_action_state {
155 xbt_swag_t ready_action_set;
156 /**< Actions in state SURF_ACTION_READY */
157 xbt_swag_t running_action_set;
158 /**< Actions in state SURF_ACTION_RUNNING */
159 xbt_swag_t failed_action_set;
160 /**< Actions in state SURF_ACTION_FAILED */
161 xbt_swag_t done_action_set;
162 /**< Actions in state SURF_ACTION_DONE */
163 } s_surf_action_state_t, *surf_action_state_t;
165 /***************************/
166 /* Generic model object */
167 /***************************/
168 typedef struct s_routing_platf s_routing_platf_t, *routing_platf_t;
169 XBT_PUBLIC_DATA(routing_platf_t) routing_platf;
171 /*******************************************
172 * TUTORIAL: New model
173 * New model extension public
174 * Public functions specific to a New model.
176 typedef struct surf_new_model_extension_public {
177 surf_action_t(*fct) ();
178 void* (*create_resource) ();
179 } s_surf_model_extension_new_model_t;
180 /*******************************************/
182 /** \ingroup SURF_models
183 * \brief Private data available on all models
185 typedef struct surf_model_private *surf_model_private_t;
189 /** \ingroup SURF_models
190 * \brief CPU model extension public
192 * Public functions specific to the CPU model.
194 typedef struct surf_cpu_model_extension_public {
195 surf_action_t(*execute) (void *cpu, double size);
196 surf_action_t(*sleep) (void *cpu, double duration);
197 e_surf_resource_state_t(*get_state) (void *cpu);
198 double (*get_speed) (void *cpu, double load);
199 double (*get_available_speed) (void *cpu);
200 double (*get_current_power_peak) (void *cpu);
201 double (*get_power_peak_at) (void *cpu, int pstate_index);
202 int (*get_nb_pstates) (void *cpu);
203 void (*set_power_peak_at) (void *cpu, int pstate_index);
204 double (*get_consumed_energy) (void *cpu);
205 void (*add_traces) (void);
206 } s_surf_model_extension_cpu_t;
210 /** \ingroup SURF_models
211 * \brief Network model extension public
213 * Public functions specific to the network model
215 typedef struct surf_network_model_extension_public {
216 surf_action_t (*communicate) (sg_routing_edge_t src,
217 sg_routing_edge_t dst,
218 double size, double rate);
219 xbt_dynar_t(*get_route) (void *src, void *dst); //FIXME: kill field? That is done by the routing nowadays
220 double (*get_link_bandwidth) (const void *link);
221 double (*get_link_latency) (const void *link);
222 int (*link_shared) (const void *link);
223 void (*add_traces) (void);
224 } s_surf_model_extension_network_t;
228 /** \ingroup SURF_models
229 * \brief Storage model extension public
231 * Public functions specific to the Storage model.
234 typedef struct surf_storage_model_extension_public {
235 surf_action_t(*open) (void *storage, const char* mount, const char* path, const char* mode);
236 surf_action_t(*close) (void *storage, surf_file_t fp);
237 surf_action_t(*read) (void *storage, void* ptr, double size, size_t nmemb, surf_file_t stream);
238 surf_action_t(*write) (void *storage, const void* ptr, size_t size, size_t nmemb, surf_file_t stream);
239 surf_action_t(*stat) (void *storage, surf_file_t stream);
240 surf_action_t(*unlink) (void *storage, surf_file_t stream);
241 surf_action_t(*ls) (void *storage, const char *path);
242 } s_surf_model_extension_storage_t;
244 /** \ingroup SURF_models
245 * \brief Workstation model extension public
247 * Public functions specific to the workstation model.
249 typedef struct surf_workstation_model_extension_public {
250 surf_action_t(*execute) (void *workstation, double size); /**< Execute a computation amount on a workstation
251 and create the corresponding action */
252 surf_action_t(*sleep) (void *workstation, double duration); /**< Make a workstation sleep during a given duration */
253 e_surf_resource_state_t(*get_state) (void *workstation); /**< Return the CPU state of a workstation */
254 double (*get_speed) (void *workstation, double load); /**< Return the speed of a workstation */
256 double (*get_current_power_peak) (void *workstation);
257 double (*get_power_peak_at) (void *workstation, int pstate_index);
258 int (*get_nb_pstates) (void *workstation);
259 void (*set_power_peak_at) (void *workstation, int pstate_index);
260 double (*get_consumed_energy) (void *workstation);
261 double (*get_available_speed) (void *workstation); /**< Return tha available speed of a workstation */
262 surf_action_t(*communicate) (void *workstation_src, /**< Execute a communication amount between two workstations */
263 void *workstation_dst, double size,
265 // FIXME: kill next field, which duplicates the routing
266 xbt_dynar_t(*get_route) (void *workstation_src, void *workstation_dst); /**< Get the list of links between two ws */
268 surf_action_t(*execute_parallel_task) (int workstation_nb, /**< Execute a parallel task on several workstations */
269 void **workstation_list,
270 double *computation_amount,
271 double *communication_amount,
273 double (*get_link_bandwidth) (const void *link); /**< Return the current bandwidth of a network link */
274 double (*get_link_latency) (const void *link); /**< Return the current latency of a network link */
275 surf_action_t(*open) (void *workstation, const char* storage, const char* path, const char* mode);
276 surf_action_t(*close) (void *workstation, surf_file_t fp);
277 surf_action_t(*read) (void *workstation, void* ptr, size_t size, size_t nmemb, surf_file_t stream);
278 surf_action_t(*write) (void *workstation, const void* ptr, size_t size, size_t nmemb, surf_file_t stream);
279 surf_action_t(*stat) (void *workstation, surf_file_t stream);
280 surf_action_t(*unlink) (void *workstation, surf_file_t stream);
281 surf_action_t(*ls) (void *workstation, const char* mount, const char *path);
283 int (*link_shared) (const void *link);
284 xbt_dict_t(*get_properties) (const void *resource);
285 void (*add_traces) (void);
287 } s_surf_model_extension_workstation_t;
292 /** \ingroup SURF_models
293 * \brief Model datatype
295 * Generic data structure for a model. The workstations,
296 * the CPUs and the network links are examples of models.
298 typedef struct surf_model {
299 const char *name; /**< Name of this model */
300 s_surf_action_state_t states; /**< Any living action on this model */
302 e_surf_action_state_t(*action_state_get) (surf_action_t action);
303 /**< Return the state of an action */
304 void (*action_state_set) (surf_action_t action,
305 e_surf_action_state_t state);
306 /**< Change an action state*/
308 double (*action_get_start_time) (surf_action_t action); /**< Return the start time of an action */
309 double (*action_get_finish_time) (surf_action_t action); /**< Return the finish time of an action */
310 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. */
311 void (*action_cancel) (surf_action_t action); /**< Cancel a running action */
312 void (*action_recycle) (surf_action_t action); /**< Recycle an action */
313 void (*action_data_set) (surf_action_t action, void *data); /**< Set the user data of an action */
314 void (*suspend) (surf_action_t action); /**< Suspend an action */
315 void (*resume) (surf_action_t action); /**< Resume a suspended action */
316 int (*is_suspended) (surf_action_t action); /**< Return whether an action is suspended */
317 void (*set_max_duration) (surf_action_t action, double duration); /**< Set the max duration of an action*/
318 void (*set_priority) (surf_action_t action, double priority); /**< Set the priority of an action */
320 void (*set_category) (surf_action_t action, const char *category); /**< Set the category of an action */
322 double (*get_remains) (surf_action_t action); /**< Get the remains of an action */
323 #ifdef HAVE_LATENCY_BOUND_TRACKING
324 int (*get_latency_limited) (surf_action_t action); /**< Return 1 if action is limited by latency, 0 otherwise */
327 void (*gap_remove) (surf_action_lmm_t action);
329 surf_model_private_t model_private;
332 s_surf_model_extension_cpu_t cpu;
333 s_surf_model_extension_network_t network;
334 s_surf_model_extension_storage_t storage;
335 s_surf_model_extension_workstation_t workstation;
336 /*******************************************/
337 /* TUTORIAL: New model */
338 s_surf_model_extension_new_model_t new_model;
339 /*******************************************/
343 surf_model_t surf_model_init(void);
344 void surf_model_exit(surf_model_t model);
346 static inline void *surf_cpu_resource_priv(const void *host) {
347 return xbt_lib_get_level((void *)host, SURF_CPU_LEVEL);
349 static inline void *surf_workstation_resource_priv(const void *host){
350 return xbt_lib_get_level((void *)host, SURF_WKS_LEVEL);
352 static inline void *surf_storage_resource_priv(const void *host){
353 return xbt_lib_get_level((void *)host, SURF_STORAGE_LEVEL);
356 static inline void *surf_cpu_resource_by_name(const char *name) {
357 return xbt_lib_get_elm_or_null(host_lib, name);
359 static inline void *surf_workstation_resource_by_name(const char *name){
360 return xbt_lib_get_elm_or_null(host_lib, name);
362 static inline void *surf_storage_resource_by_name(const char *name){
363 return xbt_lib_get_elm_or_null(storage_lib, name);
366 typedef struct surf_resource {
369 xbt_dict_t properties;
370 } s_surf_resource_t, *surf_resource_t;
373 * Resource which have a metric handled by a maxmin system
378 tmgr_trace_event_t event;
381 typedef struct surf_resource_lmm {
382 s_surf_resource_t generic_resource;
383 lmm_constraint_t constraint;
384 e_surf_resource_state_t state_current;
385 tmgr_trace_event_t state_event;
386 s_surf_metric_t power;
387 } s_surf_resource_lmm_t, *surf_resource_lmm_t;
389 /**************************************/
390 /* Implementations of model object */
391 /**************************************/
394 /** \ingroup SURF_models
395 * \brief The CPU model
397 XBT_PUBLIC_DATA(surf_model_t) surf_cpu_model;
399 /** \ingroup SURF_models
400 * \brief Initializes the CPU model with the model Cas01
402 * By default, this model uses the lazy optimization mechanism that
403 * relies on partial invalidation in LMM and a heap for lazy action update.
404 * You can change this behavior by setting the cpu/optim configuration
405 * variable to a different value.
407 * You shouldn't have to call it by yourself.
409 XBT_PUBLIC(void) surf_cpu_model_init_Cas01(void);
411 /** \ingroup SURF_models
412 * \brief Initializes the CPU model with trace integration [Deprecated]
414 * You shouldn't have to call it by yourself.
416 XBT_PUBLIC(void) surf_cpu_model_init_ti(void);
418 /** \ingroup SURF_models
419 * \brief The list of all available optimization modes (both for cpu and networks).
420 * These optimization modes can be set using --cfg=cpu/optim:... and --cfg=network/optim:...
422 XBT_PUBLIC_DATA(s_surf_model_description_t) surf_optimization_mode_description[];
424 /** \ingroup SURF_models
425 * \brief The list of all available cpu model models
427 XBT_PUBLIC_DATA(s_surf_model_description_t) surf_cpu_model_description[];
429 /**\brief create new host bypass the parser
434 /** \ingroup SURF_models
435 * \brief The network model
437 * When creating a new API on top on SURF, you shouldn't use the
438 * network model unless you know what you are doing. Only the workstation
439 * model should be accessed because depending on the platform model,
440 * the network model can be NULL.
442 XBT_PUBLIC_DATA(surf_model_t) surf_network_model;
444 /** \ingroup SURF_models
445 * \brief Same as network model 'LagrangeVelho', only with different correction factors.
447 * This model is proposed by Pierre-Nicolas Clauss and Martin Quinson and Stéphane Génaud
448 * based on the model 'LV08' and different correction factors depending on the communication
449 * size (< 1KiB, < 64KiB, >= 64KiB).
450 * See comments in the code for more information.
452 * \see surf_workstation_model_init_SMPI()
454 XBT_PUBLIC(void) surf_network_model_init_SMPI(void);
456 /** \ingroup SURF_models
457 * \brief Initializes the platform with the network model 'LegrandVelho'
459 * This model is proposed by Arnaud Legrand and Pedro Velho based on
460 * the results obtained with the GTNets simulator for onelink and
461 * dogbone sharing scenarios. See comments in the code for more information.
463 * \see surf_workstation_model_init_LegrandVelho()
465 XBT_PUBLIC(void) surf_network_model_init_LegrandVelho(void);
467 /** \ingroup SURF_models
468 * \brief Initializes the platform with the network model 'Constant'
470 * In this model, the communication time between two network cards is
471 * constant, hence no need for a routing table. This is particularly
472 * usefull when simulating huge distributed algorithms where
473 * scalability is really an issue. This function is called in
474 * conjunction with surf_workstation_model_init_compound.
476 * \see surf_workstation_model_init_compound()
478 XBT_PUBLIC(void) surf_network_model_init_Constant(void);
480 /** \ingroup SURF_models
481 * \brief Initializes the platform with the network model CM02
483 * You sould call this function by yourself only if you plan using
484 * surf_workstation_model_init_compound.
485 * See comments in the code for more information.
487 XBT_PUBLIC(void) surf_network_model_init_CM02(void);
490 /** \ingroup SURF_models
491 * \brief Initializes the platform with the network model GTNETS
492 * \param filename XML platform file name
494 * This function is called by surf_workstation_model_init_GTNETS
495 * or by yourself only if you plan using surf_workstation_model_init_compound
497 * \see surf_workstation_model_init_GTNETS()
499 XBT_PUBLIC(void) surf_network_model_init_GTNETS(void);
503 /** \ingroup SURF_models
504 * \brief Initializes the platform with the network model NS3
505 * \param filename XML platform file name
507 * This function is called by surf_workstation_model_init_NS3
508 * or by yourself only if you plan using surf_workstation_model_init_compound
510 * \see surf_workstation_model_init_NS3()
512 XBT_PUBLIC(void) surf_network_model_init_NS3(void);
515 /** \ingroup SURF_models
516 * \brief Initializes the platform with the network model Reno
517 * \param filename XML platform file name
519 * The problem is related to max( sum( arctan(C * Df * xi) ) ).
522 * [LOW03] S. H. Low. A duality model of TCP and queue management algorithms.
523 * IEEE/ACM Transaction on Networking, 11(4):525-536, 2003.
525 * Call this function only if you plan using surf_workstation_model_init_compound.
528 XBT_PUBLIC(void) surf_network_model_init_Reno(void);
530 /** \ingroup SURF_models
531 * \brief Initializes the platform with the network model Reno2
532 * \param filename XML platform file name
534 * The problem is related to max( sum( arctan(C * Df * xi) ) ).
537 * [LOW01] S. H. Low. A duality model of TCP and queue management algorithms.
538 * IEEE/ACM Transaction on Networking, 11(4):525-536, 2003.
540 * Call this function only if you plan using surf_workstation_model_init_compound.
543 XBT_PUBLIC(void) surf_network_model_init_Reno2(void);
545 /** \ingroup SURF_models
546 * \brief Initializes the platform with the network model Vegas
547 * \param filename XML platform file name
549 * This problem is related to max( sum( a * Df * ln(xi) ) ) which is equivalent
550 * to the proportional fairness.
553 * [LOW03] S. H. Low. A duality model of TCP and queue management algorithms.
554 * IEEE/ACM Transaction on Networking, 11(4):525-536, 2003.
556 * Call this function only if you plan using surf_workstation_model_init_compound.
559 XBT_PUBLIC(void) surf_network_model_init_Vegas(void);
561 /** \ingroup SURF_models
562 * \brief The list of all available network model models
564 XBT_PUBLIC_DATA(s_surf_model_description_t)
565 surf_network_model_description[];
567 /** \ingroup SURF_models
568 * \brief The storage model
570 XBT_PUBLIC(void) surf_storage_model_init_default(void);
572 /** \ingroup SURF_models
573 * \brief The list of all available storage modes.
574 * This storage mode can be set using --cfg=storage/model:...
576 XBT_PUBLIC_DATA(s_surf_model_description_t) surf_storage_model_description[];
578 /** \ingroup SURF_models
579 * \brief The workstation model
581 * Note that when you create an API on top of SURF,
582 * the workstation model should be the only one you use
583 * because depending on the platform model, the network model and the CPU model
586 XBT_PUBLIC_DATA(surf_model_t) surf_workstation_model;
588 /** \ingroup SURF_models
589 * \brief Initializes the platform with a compound workstation model
591 * This function should be called after a cpu_model and a
592 * network_model have been set up.
595 XBT_PUBLIC(void) surf_workstation_model_init_compound(void);
597 /** \ingroup SURF_models
598 * \brief Initializes the platform with the current best network and cpu models at hand
600 * This platform model seperates the workstation model and the network model.
601 * The workstation model will be initialized with the model compound, the network
602 * model with the model LV08 (with cross traffic support) and the CPU model with
604 * Such model is subject to modification with warning in the ChangeLog so monitor it!
607 XBT_PUBLIC(void) surf_workstation_model_init_current_default(void);
609 /** \ingroup SURF_models
610 * \brief Initializes the platform with the model KCCFLN05
612 * With this model, only parallel tasks can be used. Resource sharing
613 * is done by identifying bottlenecks and giving an equal share of
614 * the model to each action.
617 XBT_PUBLIC(void) surf_workstation_model_init_ptask_L07(void);
619 /** \ingroup SURF_models
620 * \brief The list of all available workstation model models
622 XBT_PUBLIC_DATA(s_surf_model_description_t)
623 surf_workstation_model_description[];
625 /*******************************************
626 * TUTORIAL: New model
628 XBT_PUBLIC(void) surf_new_model_init_default(void);
629 XBT_PUBLIC_DATA(s_surf_model_description_t) surf_new_model_description[];
630 /*******************************************/
632 /** \ingroup SURF_models
633 * \brief List of initialized models
635 XBT_PUBLIC_DATA(xbt_dynar_t) model_list;
637 /*******************************************/
638 /*** SURF Globals **************************/
639 /*******************************************/
641 /** \ingroup SURF_simulation
642 * \brief Initialize SURF
643 * \param argc argument number
644 * \param argv arguments
646 * This function has to be called to initialize the common
647 * structures. Then you will have to create the environment by
649 * e.g. surf_workstation_model_init_CM02()
651 * \see surf_workstation_model_init_CM02(), surf_workstation_model_init_compound(), surf_exit()
653 XBT_PUBLIC(void) surf_init(int *argc, char **argv); /* initialize common structures */
655 /** \ingroup SURF_simulation
656 * \brief Finish simulation initialization
658 * This function must be called before the first call to surf_solve()
660 XBT_PUBLIC(void) surf_presolve(void);
662 /** \ingroup SURF_simulation
663 * \brief Performs a part of the simulation
664 * \param max_date Maximum date to update the simulation to, or -1
665 * \return the elapsed time, or -1.0 if no event could be executed
667 * This function execute all possible events, update the action states
668 * and returns the time elapsed.
669 * When you call execute or communicate on a model, the corresponding actions
670 * are not executed immediately but only when you call surf_solve.
671 * Note that the returned elapsed time can be zero.
673 XBT_PUBLIC(double) surf_solve(double max_date);
675 /** \ingroup SURF_simulation
676 * \brief Return the current time
678 * Return the current time in millisecond.
680 XBT_PUBLIC(double) surf_get_clock(void);
682 /** \ingroup SURF_simulation
689 XBT_PUBLIC(void) surf_exit(void);
691 /* Prototypes of the functions that handle the properties */
692 XBT_PUBLIC_DATA(xbt_dict_t) current_property_set; /* the prop set for the currently parsed element (also used in SIMIX) */
694 /* surf parse file related (public because called from a test suite) */
695 XBT_PUBLIC(void) parse_platform_file(const char *file);
697 /* For the trace and trace:connect tag (store their content till the end of the parsing) */
698 XBT_PUBLIC_DATA(xbt_dict_t) traces_set_list;
699 XBT_PUBLIC_DATA(xbt_dict_t) trace_connect_list_host_avail;
700 XBT_PUBLIC_DATA(xbt_dict_t) trace_connect_list_power;
701 XBT_PUBLIC_DATA(xbt_dict_t) trace_connect_list_link_avail;
702 XBT_PUBLIC_DATA(xbt_dict_t) trace_connect_list_bandwidth;
703 XBT_PUBLIC_DATA(xbt_dict_t) trace_connect_list_latency;
706 XBT_PUBLIC(double) get_cpu_power(const char *power);
708 XBT_PUBLIC(xbt_dict_t) get_as_router_properties(const char* name);
710 int surf_get_nthreads(void);
711 void surf_set_nthreads(int nthreads);
713 void surf_watched_hosts(void);
716 * Returns the initial path. On Windows the initial path is
717 * the current directory for the current process in the other
718 * case the function returns "./" that represents the current
719 * directory on Unix/Linux platforms.
721 const char *__surf_get_initial_path(void);
723 /********** Tracing **********/
724 /* from surf_instr.c */
725 void TRACE_surf_action(surf_action_t surf_action, const char *category);
726 void TRACE_surf_alloc(void);
727 void TRACE_surf_release(void);
729 /* instr_routing.c */
730 void instr_routing_define_callbacks (void);
731 void instr_new_variable_type (const char *new_typename, const char *color);
732 void instr_new_user_variable_type (const char *father_type, const char *new_typename, const char *color);
733 void instr_new_user_state_type (const char *father_type, const char *new_typename);
734 void instr_new_value_for_user_state_type (const char *typename, const char *value, const char *color);
735 int instr_platform_traced (void);
736 xbt_graph_t instr_routing_platform_graph (void);
737 void instr_routing_platform_graph_export_graphviz (xbt_graph_t g, const char *filename);
740 #endif /* _SURF_SURF_H */