1 /* Copyright (c) 2004-2015. 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/config.h"
16 #include "src/internal_config.h"
17 #include "surf/surf_routing.h"
18 #include "surf/datatypes.h"
20 #include "surf/surf_routing.h"
21 #include "simgrid/datatypes.h"
22 #include "simgrid/forward.h"
25 /* Actions and models are highly connected structures... */
27 /* user-visible parameters */
28 extern XBT_PRIVATE double sg_tcp_gamma;
29 extern XBT_PRIVATE double sg_sender_gap;
30 extern XBT_PRIVATE double sg_latency_factor;
31 extern XBT_PRIVATE double sg_bandwidth_factor;
32 extern XBT_PRIVATE double sg_weight_S_parameter;
33 extern XBT_PRIVATE int sg_network_crosstraffic;
34 extern XBT_PRIVATE xbt_dynar_t surf_path;
51 class NetworkCm02Link;
54 class StorageActionLmm;
63 typedef simgrid::surf::Model surf_Model;
64 typedef simgrid::surf::CpuModel surf_CpuModel;
65 typedef simgrid::surf::HostModel surf_HostModel;
66 typedef simgrid::surf::VMModel surf_VMModel;
67 typedef simgrid::surf::NetworkModel surf_NetworkModel;
68 typedef simgrid::surf::StorageModel surf_StorageModel;
69 typedef simgrid::surf::Resource surf_Resource;
70 typedef simgrid::surf::ResourceLmm surf_ResourceLmm;
71 typedef simgrid::surf::HostImpl surf_Host;
72 typedef simgrid::surf::HostCLM03 surf_HostCLM03;
73 typedef simgrid::surf::NetworkCm02Link surf_NetworkCm02Link;
74 typedef simgrid::surf::Action surf_Action;
75 typedef simgrid::surf::ActionLmm surf_ActionLmm;
76 typedef simgrid::surf::StorageActionLmm surf_StorageActionLmm;
77 typedef simgrid::kernel::routing::RoutingPlatf surf_RoutingPlatf;
81 typedef struct surf_Model surf_Model;
82 typedef struct surf_CpuModel surf_CpuModel;
83 typedef struct surf_HostModel surf_HostModel;
84 typedef struct surf_VMModel surf_VMModel;
85 typedef struct surf_NetworkModel surf_NetworkModel;
86 typedef struct surf_StorageModel surf_StorageModel;
87 typedef struct surf_Resource surf_Resource;
88 typedef struct surf_ResourceLmm surf_ResourceLmm;
89 typedef struct surf_HostCLM03 surf_HostCLM03;
90 typedef struct surf_Host surf_Host;
91 typedef struct surf_NetworkCm02Link surf_NetworkCm02Link;
92 typedef struct surf_Action surf_Action;
93 typedef struct surf_ActionLmm surf_ActionLmm;
94 typedef struct surf_StorageActionLmm surf_StorageActionLmm;
95 typedef struct surf_RoutingPlatf surf_RoutingPlatf;
99 /** @ingroup SURF_c_bindings
100 * \brief Model datatype
102 * Generic data structure for a model. The hosts,
103 * the CPUs and the network links are examples of models.
105 typedef surf_Model *surf_model_t;
106 typedef surf_CpuModel *surf_cpu_model_t;
107 typedef surf_HostModel *surf_host_model_t;
108 typedef surf_VMModel *surf_vm_model_t;
109 typedef surf_NetworkModel *surf_network_model_t;
110 typedef surf_StorageModel *surf_storage_model_t;
112 typedef xbt_dictelm_t surf_resource_t;
113 typedef surf_Resource *surf_cpp_resource_t;
114 typedef surf_Host *surf_host_t;
115 typedef surf_Cpu *surf_cpu_t;
117 /** @ingroup SURF_c_bindings
118 * \brief Action structure
120 * Never create s_surf_action_t by yourself ! The actions are created
121 * on the fly when you call execute or communicate on a model.
123 * \see e_surf_action_state_t
125 typedef surf_Action *surf_action_t;
126 typedef surf_RoutingPlatf *routing_platf_t;
128 typedef struct surf_file *surf_file_t;
130 /** \brief Resource model description
132 struct surf_model_description {
134 const char *description;
135 void_f_void_t model_init_preparse;
137 typedef struct surf_model_description s_surf_model_description_t;
138 typedef struct surf_model_description* surf_model_description_t;
140 XBT_PUBLIC(int) find_model_description(s_surf_model_description_t * table, const char *name);
141 XBT_PUBLIC(void) model_help(const char *category, s_surf_model_description_t * table);
143 /** @ingroup SURF_vm_interface */
144 /* FIXME: Where should the VM state be defined? */
146 SURF_VM_STATE_CREATED, /**< created, but not yet started */
147 SURF_VM_STATE_RUNNING,
148 SURF_VM_STATE_SUSPENDED, /**< Suspend/resume does not involve disk I/O, so we assume there is no transition states. */
150 SURF_VM_STATE_SAVING, /**< Save/restore involves disk I/O, so there should be transition states. */
152 SURF_VM_STATE_RESTORING,
155 /***************************/
156 /* Generic model object */
157 /***************************/
159 XBT_PUBLIC_DATA(routing_platf_t) routing_platf;
161 static inline void *surf_storage_resource_priv(const void *storage){
162 return (void*)xbt_lib_get_level((xbt_dictelm_t)storage, SURF_STORAGE_LEVEL);
165 static inline void *surf_storage_resource_by_name(const char *name){
166 return xbt_lib_get_elm_or_null(storage_lib, name);
169 /** @{ @ingroup SURF_c_bindings */
172 * @brief Pop an action from the done actions set
174 * @param model The model from which the action is extracted
175 * @return An action in done state
177 XBT_PUBLIC(surf_action_t) surf_model_extract_done_action_set(surf_model_t model);
180 * @brief Pop an action from the failed actions set
182 * @param model The model from which the action is extracted
183 * @return An action in failed state
185 XBT_PUBLIC(surf_action_t) surf_model_extract_failed_action_set(surf_model_t model);
188 * @brief Get the size of the running action set of a model
190 * @param model The model
191 * @return The size of the running action set
193 XBT_PUBLIC(int) surf_model_running_action_set_size(surf_model_t model);
195 /** @brief Create a new VM on the specified host */
196 XBT_PUBLIC(void) surf_vm_model_create(const char *name, sg_host_t host_PM);
198 /** @brief Create a communication between two hosts
200 * @param model The model which handle the communication
201 * @param src The source host
202 * @param dst The destination host
203 * @param size The amount of data (in bytes) needed to transfer
204 * @param rate [description]
205 * @return The action corresponding to the communication
207 XBT_PUBLIC(surf_action_t) surf_network_model_communicate(surf_network_model_t model, sg_host_t src, sg_host_t dst, double size, double rate);
209 /** @brief Create a sleep action on the given host */
210 XBT_PUBLIC(surf_action_t) surf_host_sleep(sg_host_t host, double duration);
212 /** @brief Create a file opening action on the given host */
213 XBT_PUBLIC(surf_action_t) surf_host_open(sg_host_t host, const char* fullpath);
215 /** @brief Create a file closing action on the given host */
216 XBT_PUBLIC(surf_action_t) surf_host_close(sg_host_t host, surf_file_t fd);
218 /** @brief Create a file reading action on the given host */
219 XBT_PUBLIC(surf_action_t) surf_host_read(sg_host_t host, surf_file_t fd, sg_size_t size);
221 /** @brief Create a file writing action on the given host */
222 XBT_PUBLIC(surf_action_t) surf_host_write(sg_host_t host, surf_file_t fd, sg_size_t size);
225 * @brief Get the information of a file descriptor
226 * @details The returned xbt_dynar_t contains:
227 * - the size of the file,
229 * - the storage name,
230 * - the storage typeId,
231 * - the storage content type
233 * @param host The surf host
234 * @param fd The file descriptor
235 * @return An xbt_dynar_t with the file information
237 XBT_PUBLIC(xbt_dynar_t) surf_host_get_info(sg_host_t host, surf_file_t fd);
240 * @brief Get the available space of the storage at the mount point
242 * @param resource The surf host
243 * @param name The mount point
244 * @return The amount of available space in bytes
246 XBT_PUBLIC(sg_size_t) surf_host_get_free_size(sg_host_t resource, const char* name);
249 * @brief Get the used space of the storage at the mount point
251 * @param resource The surf host
252 * @param name The mount point
253 * @return The amount of used space in bytes
255 XBT_PUBLIC(sg_size_t) surf_host_get_used_size(sg_host_t resource, const char* name);
257 /** @brief Suspend a VM */
258 XBT_PUBLIC(void) surf_vm_suspend(sg_host_t resource);
260 /** @brief Resume a VM */
261 XBT_PUBLIC(void) surf_vm_resume(sg_host_t resource);
264 * @brief Save the VM (Not yet implemented)
266 * @param resource The surf vm
268 XBT_PUBLIC(void) surf_vm_save(sg_host_t resource);
271 * @brief Restore the VM (Not yet implemented)
273 * @param resource The surf vm
275 XBT_PUBLIC(void) surf_vm_restore(sg_host_t resource);
278 * @brief Migrate the VM to the destination host
280 * @param resource The surf vm
281 * @param ind_vm_ws_dest The destination host
283 XBT_PUBLIC(void) surf_vm_migrate(sg_host_t resource, sg_host_t ind_vm_ws_dest);
286 * @brief Get the physical machine hosting the VM
288 * @param resource The surf vm
289 * @return The physical machine hosting the VM
291 XBT_PUBLIC(sg_host_t) surf_vm_get_pm(sg_host_t resource);
294 * @brief [brief description]
295 * @details [long description]
297 * @param resource [description]
298 * @param bound [description]
300 XBT_PUBLIC(void) surf_vm_set_bound(sg_host_t resource, double bound);
303 * @brief Unlink a file descriptor
305 * @param host The surf host
306 * @param fd The file descriptor
308 * @return 0 if failed to unlink, 1 otherwise
310 XBT_PUBLIC(int) surf_host_unlink(sg_host_t host, surf_file_t fd);
313 * @brief Get the size of a file on a host
315 * @param host The surf host
316 * @param fd The file descriptor
318 * @return The size in bytes of the file
320 XBT_PUBLIC(size_t) surf_host_get_size(sg_host_t host, surf_file_t fd);
323 * @brief Get the current position of the file descriptor
325 * @param host The surf host
326 * @param fd The file descriptor
327 * @return The current position of the file descriptor
329 XBT_PUBLIC(size_t) surf_host_file_tell(sg_host_t host, surf_file_t fd);
332 * @brief Move a file to another location on the *same mount point*.
333 * @details [long description]
335 * @param host The surf host
336 * @param fd The file descriptor
337 * @param fullpath The new full path
339 * @return MSG_OK if successful, otherwise MSG_TASK_CANCELED
341 XBT_PUBLIC(int) surf_host_file_move(sg_host_t host, surf_file_t fd, const char* fullpath);
344 * @brief Set the position indictator assiociated with the file descriptor to a new position
345 * @details [long description]
347 * @param host The surf host
348 * @param fd The file descriptor
349 * @param offset The offset from the origin
350 * @param origin Position used as a reference for the offset
351 * - SEEK_SET: beginning of the file
352 * - SEEK_CUR: current position indicator
353 * - SEEK_END: end of the file
354 * @return MSG_OK if successful, otherwise MSG_TASK_CANCELED
356 XBT_PUBLIC(int) surf_host_file_seek(sg_host_t host, surf_file_t fd, sg_offset_t offset, int origin);
359 * @brief Get the content of a storage
361 * @param resource The surf storage
362 * @return A xbt_dict_t with path as keys and size in bytes as values
364 XBT_PUBLIC(xbt_dict_t) surf_storage_get_content(surf_resource_t resource);
367 * @brief Get the size in bytes of a storage
369 * @param resource The surf storage
370 * @return The size in bytes of the storage
372 XBT_PUBLIC(sg_size_t) surf_storage_get_size(surf_resource_t resource);
375 * @brief Get the available size in bytes of a storage
377 * @param resource The surf storage
378 * @return The available size in bytes of the storage
380 XBT_PUBLIC(sg_size_t) surf_storage_get_free_size(surf_resource_t resource);
383 * @brief Get the size in bytes of a storage
385 * @param resource The surf storage
386 * @return The used size in bytes of the storage
388 XBT_PUBLIC(sg_size_t) surf_storage_get_used_size(surf_resource_t resource);
390 /** @brief return the properties set associated to that storage */
391 XBT_PUBLIC(xbt_dict_t) surf_storage_get_properties(surf_resource_t resource);
394 * @brief [brief description]
395 * @details [long description]
397 * @param action The surf cpu action
398 * @param bound [description]
400 XBT_PUBLIC(void) surf_cpu_action_set_bound(surf_action_t action, double bound);
403 * @brief [brief description]
404 * @details [long description]
406 * @param action The surf network action
408 XBT_PUBLIC(double) surf_network_action_get_latency_limited(surf_action_t action);
411 * @brief Get the file associated to a storage action
413 * @param action The surf storage action
414 * @return The file associated to a storage action
416 XBT_PUBLIC(surf_file_t) surf_storage_action_get_file(surf_action_t action);
419 * @brief Get the result dictionary of an ls action
421 * @param action The surf storage action
422 * @return The dictionry listing a path
424 XBT_PUBLIC(xbt_dict_t) surf_storage_action_get_ls_dict(surf_action_t action);
428 * @brief Get the host the storage is attached to
430 * @param resource The surf storage
431 * @return The host name
434 XBT_PUBLIC(const char * ) surf_storage_get_host(surf_resource_t resource);
438 /**************************************/
439 /* Implementations of model object */
440 /**************************************/
442 XBT_PUBLIC_DATA(void_f_void_t) surf_cpu_model_init_preparse;
444 /** \ingroup SURF_models
445 * \brief The CPU model object for the physical machine layer
447 XBT_PUBLIC_DATA(surf_cpu_model_t) surf_cpu_model_pm;
449 /** \ingroup SURF_models
450 * \brief The CPU model object for the virtual machine layer
452 XBT_PUBLIC_DATA(surf_cpu_model_t) surf_cpu_model_vm;
455 /** \ingroup SURF_models
456 * \brief Initializes the CPU model with the model Cas01
458 * By default, this model uses the lazy optimization mechanism that relies on partial invalidation in LMM and a heap
459 * for lazy action update.
460 * You can change this behavior by setting the cpu/optim configuration variable to a different value.
462 * You shouldn't have to call it by yourself.
464 XBT_PUBLIC(void) surf_cpu_model_init_Cas01();
466 /** \ingroup SURF_models
467 * \brief Initializes the CPU model with trace integration [Deprecated]
469 * You shouldn't have to call it by yourself.
471 XBT_PUBLIC(void) surf_cpu_model_init_ti();
473 /** \ingroup SURF_models
474 * \brief The list of all available optimization modes (both for cpu and networks).
475 * These optimization modes can be set using --cfg=cpu/optim:... and --cfg=network/optim:...
477 XBT_PUBLIC_DATA(s_surf_model_description_t) surf_optimization_mode_description[];
479 /** \ingroup SURF_plugins
480 * \brief The list of all available surf plugins
482 XBT_PUBLIC_DATA(s_surf_model_description_t) surf_plugin_description[];
484 /** \ingroup SURF_models
485 * \brief The list of all available cpu model models
487 XBT_PUBLIC_DATA(s_surf_model_description_t) surf_cpu_model_description[];
489 /** \ingroup SURF_models
490 * \brief The network model
492 * When creating a new API on top on SURF, you shouldn't use the network model unless you know what you are doing.
493 * Only the host model should be accessed because depending on the platform model, the network model can be NULL.
495 XBT_PUBLIC_DATA(surf_network_model_t) surf_network_model;
497 /** \ingroup SURF_models
498 * \brief Same as network model 'LagrangeVelho', only with different correction factors.
500 * This model is proposed by Pierre-Nicolas Clauss and Martin Quinson and Stéphane Génaud based on the model 'LV08' and
501 * different correction factors depending on the communication size (< 1KiB, < 64KiB, >= 64KiB).
502 * See comments in the code for more information.
504 * \see surf_host_model_init_SMPI()
506 XBT_PUBLIC(void) surf_network_model_init_SMPI();
508 /** \ingroup SURF_models
509 * \brief Same as network model 'LagrangeVelho', only with different correction factors.
511 * This model impelments a variant of the contention model on Infinband networks based on
512 * the works of Jérôme Vienne : http://mescal.imag.fr/membres/jean-marc.vincent/index.html/PhD/Vienne.pdf
514 * \see surf_host_model_init_IB()
516 XBT_PUBLIC(void) surf_network_model_init_IB();
518 /** \ingroup SURF_models
519 * \brief Initializes the platform with the network model 'LegrandVelho'
521 * This model is proposed by Arnaud Legrand and Pedro Velho based on the results obtained with the GTNets simulator for
522 * onelink and dogbone sharing scenarios. See comments in the code for more information.
524 * \see surf_host_model_init_LegrandVelho()
526 XBT_PUBLIC(void) surf_network_model_init_LegrandVelho();
528 /** \ingroup SURF_models
529 * \brief Initializes the platform with the network model 'Constant'
531 * In this model, the communication time between two network cards is constant, hence no need for a routing table.
532 * This is particularly useful when simulating huge distributed algorithms where scalability is really an issue. This
533 * function is called in conjunction with surf_host_model_init_compound.
535 * \see surf_host_model_init_compound()
537 XBT_PUBLIC(void) surf_network_model_init_Constant();
539 /** \ingroup SURF_models
540 * \brief Initializes the platform with the network model CM02
542 * You sould call this function by yourself only if you plan using surf_host_model_init_compound.
543 * See comments in the code for more information.
545 XBT_PUBLIC(void) surf_network_model_init_CM02();
548 /** \ingroup SURF_models
549 * \brief Initializes the platform with the network model NS3
551 * This function is called by surf_host_model_init_NS3 or by yourself only if you plan using
552 * surf_host_model_init_compound
554 * \see surf_host_model_init_NS3()
556 XBT_PUBLIC(void) surf_network_model_init_NS3();
559 /** \ingroup SURF_models
560 * \brief Initializes the platform with the network model Reno
562 * The problem is related to max( sum( arctan(C * Df * xi) ) ).
565 * [LOW03] S. H. Low. A duality model of TCP and queue management algorithms.
566 * IEEE/ACM Transaction on Networking, 11(4):525-536, 2003.
568 * Call this function only if you plan using surf_host_model_init_compound.
570 XBT_PUBLIC(void) surf_network_model_init_Reno();
572 /** \ingroup SURF_models
573 * \brief Initializes the platform with the network model Reno2
575 * The problem is related to max( sum( arctan(C * Df * xi) ) ).
578 * [LOW01] S. H. Low. A duality model of TCP and queue management algorithms.
579 * IEEE/ACM Transaction on Networking, 11(4):525-536, 2003.
581 * Call this function only if you plan using surf_host_model_init_compound.
583 XBT_PUBLIC(void) surf_network_model_init_Reno2();
585 /** \ingroup SURF_models
586 * \brief Initializes the platform with the network model Vegas
588 * This problem is related to max( sum( a * Df * ln(xi) ) ) which is equivalent to the proportional fairness.
591 * [LOW03] S. H. Low. A duality model of TCP and queue management algorithms.
592 * IEEE/ACM Transaction on Networking, 11(4):525-536, 2003.
594 * Call this function only if you plan using surf_host_model_init_compound.
596 XBT_PUBLIC(void) surf_network_model_init_Vegas();
598 /** \ingroup SURF_models
599 * \brief The list of all available network model models
601 XBT_PUBLIC_DATA(s_surf_model_description_t) surf_network_model_description[];
603 /** \ingroup SURF_models
604 * \brief The storage model
606 XBT_PUBLIC(void) surf_storage_model_init_default();
608 /** \ingroup SURF_models
609 * \brief The list of all available storage modes.
610 * This storage mode can be set using --cfg=storage/model:...
612 XBT_PUBLIC_DATA(s_surf_model_description_t) surf_storage_model_description[];
614 XBT_PUBLIC_DATA(surf_storage_model_t) surf_storage_model;
616 /** \ingroup SURF_models
617 * \brief The host model
619 * Note that when you create an API on top of SURF, the host model should be the only one you use
620 * because depending on the platform model, the network model and the CPU model may not exist.
622 XBT_PUBLIC_DATA(surf_host_model_t) surf_host_model;
624 /** \ingroup SURF_models
625 * \brief The vm model
627 * Note that when you create an API on top of SURF,the vm model should be the only one you use
628 * because depending on the platform model, the network model and the CPU model may not exist.
630 XBT_PUBLIC_DATA(surf_vm_model_t) surf_vm_model;
632 /** \ingroup SURF_models
633 * \brief Initializes the platform with a compound host model
635 * This function should be called after a cpu_model and a network_model have been set up.
637 XBT_PUBLIC(void) surf_host_model_init_compound();
639 /** \ingroup SURF_models
640 * \brief Initializes the platform with the current best network and cpu models at hand
642 * This platform model separates the host model and the network model.
643 * The host model will be initialized with the model compound, the network model with the model LV08 (with cross
644 * traffic support) and the CPU model with the model Cas01.
645 * Such model is subject to modification with warning in the ChangeLog so monitor it!
647 XBT_PUBLIC(void) surf_host_model_init_current_default();
649 /** \ingroup SURF_models
650 * \brief Initializes the platform with the model L07
652 * With this model, only parallel tasks can be used. Resource sharing is done by identifying bottlenecks and giving an
653 * equal share of the model to each action.
655 XBT_PUBLIC(void) surf_host_model_init_ptask_L07();
657 /** \ingroup SURF_models
658 * \brief The list of all available host model models
660 XBT_PUBLIC_DATA(s_surf_model_description_t) surf_host_model_description[];
662 /** \ingroup SURF_models
663 * \brief Initializes the platform with the current best network and cpu models at hand
665 * This platform model seperates the host model and the network model.
666 * The host model will be initialized with the model compound, the network model with the model LV08 (with cross
667 * traffic support) and the CPU model with the model Cas01.
668 * Such model is subject to modification with warning in the ChangeLog so monitor it!
670 XBT_PUBLIC(void) surf_vm_model_init_HL13();
672 /** \ingroup SURF_models
673 * \brief The list of all available vm model models
675 XBT_PUBLIC_DATA(s_surf_model_description_t) surf_vm_model_description[];
677 /** \ingroup SURF_simulation
678 * \brief List of hosts for which one want to be notified if they ever restart.
680 XBT_PUBLIC_DATA(xbt_dict_t) watched_hosts_lib;
682 /*** SURF Globals **************************/
684 /** \ingroup SURF_simulation
685 * \brief Initialize SURF
686 * \param argc argument number
687 * \param argv arguments
689 * This function has to be called to initialize the common structures. Then you will have to create the environment by
690 * calling e.g. surf_host_model_init_CM02()
692 * \see surf_host_model_init_CM02(), surf_host_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();
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 and returns the time elapsed.
709 * When you call execute or communicate on a model, the corresponding actions are not executed immediately but only
710 * when you call surf_solve.
711 * Note that the returned elapsed time can be zero.
713 XBT_PUBLIC(double) surf_solve(double max_date);
715 /** \ingroup SURF_simulation
716 * \brief Return the current time
718 * Return the current time in millisecond.
720 XBT_PUBLIC(double) surf_get_clock();
722 /** \ingroup SURF_simulation
729 XBT_PUBLIC(void) surf_exit();
731 /* Prototypes of the functions that handle the properties */
732 XBT_PUBLIC_DATA(xbt_dict_t) current_property_set;// the prop set for the currently parsed element (also used in SIMIX)
733 /* The same for model_prop set*/
734 XBT_PUBLIC_DATA(xbt_dict_t) current_model_property_set;
736 /* surf parse file related (public because called from a test suite) */
737 XBT_PUBLIC(void) parse_platform_file(const char *file);
739 /* For the trace and trace:connect tag (store their content till the end of the parsing) */
740 XBT_PUBLIC_DATA(xbt_dict_t) traces_set_list;
742 XBT_PUBLIC(xbt_dict_t) get_as_router_properties(const char* name);
745 * Returns the initial path. On Windows the initial path is the current directory for the current process in the other
746 * case the function returns "./" that represents the current directory on Unix/Linux platforms.
748 const char *__surf_get_initial_path();
750 /********** Tracing **********/
751 /* from surf_instr.c */
752 void TRACE_surf_action(surf_action_t surf_action, const char *category);
753 void TRACE_surf_alloc();
754 void TRACE_surf_release();
756 /* instr_routing.c */
757 void instr_routing_define_callbacks ();
758 void instr_new_variable_type (const char *new_typename, const char *color);
759 void instr_new_user_variable_type (const char *father_type, const char *new_typename, const char *color);
760 void instr_new_user_state_type (const char *father_type, const char *new_typename);
761 void instr_new_value_for_user_state_type (const char *_typename, const char *value, const char *color);
762 int instr_platform_traced ();
763 xbt_graph_t instr_routing_platform_graph ();
764 void instr_routing_platform_graph_export_graphviz (xbt_graph_t g, const char *filename);
767 #endif /* _SURF_SURF_H */