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/portable.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;
37 SURF_NETWORK_ELEMENT_HOST=1, /* host type */
38 SURF_NETWORK_ELEMENT_ROUTER, /* router type */
39 SURF_NETWORK_ELEMENT_AS /* AS type */
40 } e_surf_network_element_type_t;
57 class NetworkCm02Link;
60 class StorageActionLmm;
67 typedef simgrid::surf::Model surf_Model;
68 typedef simgrid::surf::CpuModel surf_CpuModel;
69 typedef simgrid::surf::HostModel surf_HostModel;
70 typedef simgrid::surf::VMModel surf_VMModel;
71 typedef simgrid::surf::NetworkModel surf_NetworkModel;
72 typedef simgrid::surf::StorageModel surf_StorageModel;
73 typedef simgrid::surf::Resource surf_Resource;
74 typedef simgrid::surf::ResourceLmm surf_ResourceLmm;
75 typedef simgrid::surf::Host surf_Host;
76 typedef simgrid::surf::HostCLM03 surf_HostCLM03;
77 typedef simgrid::surf::NetworkCm02Link surf_NetworkCm02Link;
78 typedef simgrid::surf::Action surf_Action;
79 typedef simgrid::surf::ActionLmm surf_ActionLmm;
80 typedef simgrid::surf::StorageActionLmm surf_StorageActionLmm;
81 typedef simgrid::surf::RoutingPlatf surf_RoutingPlatf;
85 typedef struct surf_Model surf_Model;
86 typedef struct surf_CpuModel surf_CpuModel;
87 typedef struct surf_HostModel surf_HostModel;
88 typedef struct surf_VMModel surf_VMModel;
89 typedef struct surf_NetworkModel surf_NetworkModel;
90 typedef struct surf_StorageModel surf_StorageModel;
91 typedef struct surf_Resource surf_Resource;
92 typedef struct surf_ResourceLmm surf_ResourceLmm;
93 typedef struct surf_HostCLM03 surf_HostCLM03;
94 typedef struct surf_Host surf_Host;
95 typedef struct surf_NetworkCm02Link surf_NetworkCm02Link;
96 typedef struct surf_Action surf_Action;
97 typedef struct surf_ActionLmm surf_ActionLmm;
98 typedef struct surf_StorageActionLmm surf_StorageActionLmm;
99 typedef struct surf_RoutingPlatf surf_RoutingPlatf;
103 /** @ingroup SURF_c_bindings
104 * \brief Model datatype
106 * Generic data structure for a model. The hosts,
107 * the CPUs and the network links are examples of models.
109 typedef surf_Model *surf_model_t;
110 typedef surf_CpuModel *surf_cpu_model_t;
111 typedef surf_HostModel *surf_host_model_t;
112 typedef surf_VMModel *surf_vm_model_t;
113 typedef surf_NetworkModel *surf_network_model_t;
114 typedef surf_StorageModel *surf_storage_model_t;
116 typedef xbt_dictelm_t surf_resource_t;
117 typedef surf_Resource *surf_cpp_resource_t;
118 typedef surf_Host *surf_host_t;
119 typedef surf_Cpu *surf_cpu_t;
121 /** @ingroup SURF_c_bindings
122 * \brief Action structure
124 * Never create s_surf_action_t by yourself ! The actions are created
125 * on the fly when you call execute or communicate on a model.
127 * \see e_surf_action_state_t
129 typedef surf_Action *surf_action_t;
130 typedef surf_RoutingPlatf *routing_platf_t;
132 typedef struct surf_file *surf_file_t;
134 /** \brief Resource model description
136 typedef struct surf_model_description {
138 const char *description;
139 void_f_void_t model_init_preparse;
140 } s_surf_model_description_t, *surf_model_description_t;
142 XBT_PUBLIC(int) find_model_description(s_surf_model_description_t * table, const char *name);
143 XBT_PUBLIC(void) model_help(const char *category, s_surf_model_description_t * table);
145 /** @ingroup SURF_interface
146 * @brief Action states
151 SURF_ACTION_READY = 0, /**< Ready */
152 SURF_ACTION_RUNNING, /**< Running */
153 SURF_ACTION_FAILED, /**< Task Failure */
154 SURF_ACTION_DONE, /**< Completed */
155 SURF_ACTION_TO_FREE, /**< Action to free in next cleanup */
156 SURF_ACTION_NOT_IN_THE_SYSTEM /**< Not in the system anymore. Why did you ask ? */
157 } e_surf_action_state_t;
159 /** @ingroup SURF_vm_interface
163 /* FIXME: Where should the VM state be defined? */
165 SURF_VM_STATE_CREATED, /**< created, but not yet started */
166 SURF_VM_STATE_RUNNING,
167 SURF_VM_STATE_SUSPENDED, /**< Suspend/resume does not involve disk I/O, so we assume there is no transition states. */
169 SURF_VM_STATE_SAVING, /**< Save/restore involves disk I/O, so there should be transition states. */
171 SURF_VM_STATE_RESTORING,
174 /***************************/
175 /* Generic model object */
176 /***************************/
178 XBT_PUBLIC_DATA(routing_platf_t) routing_platf;
180 static inline void *surf_storage_resource_priv(const void *storage){
181 return (void*)xbt_lib_get_level((xbt_dictelm_t)storage, SURF_STORAGE_LEVEL);
184 static inline void *surf_storage_resource_by_name(const char *name){
185 return xbt_lib_get_elm_or_null(storage_lib, name);
188 /** @{ @ingroup SURF_c_bindings */
191 * @brief Pop an action from the done actions set
193 * @param model The model from which the action is extracted
194 * @return An action in done state
196 XBT_PUBLIC(surf_action_t) surf_model_extract_done_action_set(surf_model_t model);
199 * @brief Pop an action from the failed actions set
201 * @param model The model from which the action is extracted
202 * @return An action in failed state
204 XBT_PUBLIC(surf_action_t) surf_model_extract_failed_action_set(surf_model_t model);
207 * @brief Get the size of the running action set of a model
209 * @param model The model
210 * @return The size of the running action set
212 XBT_PUBLIC(int) surf_model_running_action_set_size(surf_model_t model);
214 /** @brief Get the route (dynar of sg_link_t) between two hosts */
215 XBT_PUBLIC(xbt_dynar_t) surf_host_model_get_route(
216 surf_host_model_t model, sg_host_t src, sg_host_t dst);
218 /** @brief Create a new VM on the specified host */
219 XBT_PUBLIC(void) surf_vm_model_create(const char *name, sg_host_t host_PM);
221 /** @brief Create a communication between two hosts
223 * @param model The model which handle the communication
224 * @param src The source host
225 * @param dst The destination host
226 * @param size The amount of data (in bytes) needed to transfer
227 * @param rate [description]
228 * @return The action corresponding to the communication
230 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);
233 * @brief Get the name of a surf resource (cpu, host, network, …)
235 * @param resource The surf resource
236 * @return The name of the surf resource
238 XBT_PUBLIC(const char * ) surf_resource_name(surf_cpp_resource_t resource);
240 /** @brief Get the available speed of cpu associated to a host */
241 XBT_PUBLIC(double) surf_host_get_available_speed(sg_host_t host);
243 /** @brief Create a sleep action on the given host */
244 XBT_PUBLIC(surf_action_t) surf_host_sleep(sg_host_t host, double duration);
246 /** @brief Create a file opening action on the given host */
247 XBT_PUBLIC(surf_action_t) surf_host_open(sg_host_t host, const char* fullpath);
249 /** @brief Create a file closing action on the given host */
250 XBT_PUBLIC(surf_action_t) surf_host_close(sg_host_t host, surf_file_t fd);
252 /** @brief Create a file reading action on the given host */
253 XBT_PUBLIC(surf_action_t) surf_host_read(sg_host_t host, surf_file_t fd, sg_size_t size);
255 /** @brief Create a file writing action on the given host */
256 XBT_PUBLIC(surf_action_t) surf_host_write(sg_host_t host, surf_file_t fd, sg_size_t size);
259 * @brief Get the informations of a file descriptor
260 * @details The returned xbt_dynar_t contains:
261 * - the size of the file,
263 * - the storage name,
264 * - the storage typeId,
265 * - the storage content type
267 * @param host The surf host
268 * @param fd The file descriptor
269 * @return An xbt_dynar_t with the file informations
271 XBT_PUBLIC(xbt_dynar_t) surf_host_get_info(sg_host_t host, surf_file_t fd);
274 * @brief Get the available space of the storage at the mount point
276 * @param resource The surf host
277 * @param name The mount point
278 * @return The amount of available space in bytes
280 XBT_PUBLIC(sg_size_t) surf_host_get_free_size(sg_host_t resource, const char* name);
283 * @brief Get the used space of the storage at the mount point
285 * @param resource The surf host
286 * @param name The mount point
287 * @return The amount of used space in bytes
289 XBT_PUBLIC(sg_size_t) surf_host_get_used_size(sg_host_t resource, const char* name);
292 * @brief Destroy a VM
294 * @param resource The surf vm
296 XBT_PUBLIC(void) surf_vm_destroy(sg_host_t resource);
298 /** @brief Suspend a VM */
299 XBT_PUBLIC(void) surf_vm_suspend(sg_host_t resource);
301 /** @brief Resume a VM */
302 XBT_PUBLIC(void) surf_vm_resume(sg_host_t resource);
305 * @brief Save the VM (Not yet implemented)
307 * @param resource The surf vm
309 XBT_PUBLIC(void) surf_vm_save(sg_host_t resource);
312 * @brief Restore the VM (Not yet implemented)
314 * @param resource The surf vm
316 XBT_PUBLIC(void) surf_vm_restore(sg_host_t resource);
319 * @brief Migrate the VM to the destination host
321 * @param resource The surf vm
322 * @param ind_vm_ws_dest The destination host
324 XBT_PUBLIC(void) surf_vm_migrate(sg_host_t resource, sg_host_t ind_vm_ws_dest);
327 * @brief Get the physical machine hosting the VM
329 * @param resource The surf vm
330 * @return The physical machine hosting the VM
332 XBT_PUBLIC(sg_host_t) surf_vm_get_pm(sg_host_t resource);
335 * @brief [brief description]
336 * @details [long description]
338 * @param resource [description]
339 * @param bound [description]
341 XBT_PUBLIC(void) surf_vm_set_bound(sg_host_t resource, double bound);
344 * @brief [brief description]
345 * @details [long description]
347 * @param resource [description]
348 * @param cpu [description]
349 * @param mask [description]
351 XBT_PUBLIC(void) surf_vm_set_affinity(sg_host_t resource, sg_host_t cpu, unsigned long mask);
354 * @brief Unlink a file descriptor
356 * @param host The surf host
357 * @param fd The file descriptor
359 * @return 0 if failed to unlink, 1 otherwise
361 XBT_PUBLIC(int) surf_host_unlink(sg_host_t host, surf_file_t fd);
364 * @brief Get the size of a file on a host
366 * @param host The surf host
367 * @param fd The file descriptor
369 * @return The size in bytes of the file
371 XBT_PUBLIC(size_t) surf_host_get_size(sg_host_t host, surf_file_t fd);
374 * @brief Get the current position of the file descriptor
376 * @param host The surf host
377 * @param fd The file descriptor
378 * @return The current position of the file descriptor
380 XBT_PUBLIC(size_t) surf_host_file_tell(sg_host_t host, surf_file_t fd);
383 * @brief Move a file to another location on the *same mount point*.
384 * @details [long description]
386 * @param host The surf host
387 * @param fd The file descriptor
388 * @param fullpath The new full path
390 * @return MSG_OK if successful, otherwise MSG_TASK_CANCELED
392 XBT_PUBLIC(int) surf_host_file_move(sg_host_t host, surf_file_t fd, const char* fullpath);
395 * @brief Set the position indictator assiociated with the file descriptor to a new position
396 * @details [long description]
398 * @param host The surf host
399 * @param fd The file descriptor
400 * @param offset The offset from the origin
401 * @param origin Position used as a reference for the offset
402 * - SEEK_SET: beginning of the file
403 * - SEEK_CUR: current position indicator
404 * - SEEK_END: end of the file
405 * @return MSG_OK if successful, otherwise MSG_TASK_CANCELED
407 XBT_PUBLIC(int) surf_host_file_seek(sg_host_t host,
408 surf_file_t fd, sg_offset_t offset,
412 * @brief Get the content of a storage
414 * @param resource The surf storage
415 * @return A xbt_dict_t with path as keys and size in bytes as values
417 XBT_PUBLIC(xbt_dict_t) surf_storage_get_content(surf_resource_t resource);
420 * @brief Get the size in bytes of a storage
422 * @param resource The surf storage
423 * @return The size in bytes of the storage
425 XBT_PUBLIC(sg_size_t) surf_storage_get_size(surf_resource_t resource);
428 * @brief Get the available size in bytes of a storage
430 * @param resource The surf storage
431 * @return The available size in bytes of the storage
433 XBT_PUBLIC(sg_size_t) surf_storage_get_free_size(surf_resource_t resource);
436 * @brief Get the size in bytes of a storage
438 * @param resource The surf storage
439 * @return The used size in bytes of the storage
441 XBT_PUBLIC(sg_size_t) surf_storage_get_used_size(surf_resource_t resource);
443 /** @brief return the properties set associated to that storage */
444 XBT_PUBLIC(xbt_dict_t) surf_storage_get_properties(surf_resource_t resource);
447 * @brief [brief description]
448 * @details [long description]
450 * @param action The surf cpu action
451 * @param bound [description]
453 XBT_PUBLIC(void) surf_cpu_action_set_bound(surf_action_t action, double bound);
456 * @brief [brief description]
457 * @details [long description]
459 * @param action The surf network action
461 XBT_PUBLIC(double) surf_network_action_get_latency_limited(surf_action_t action);
464 * @brief Get the file associated to a storage action
466 * @param action The surf storage action
467 * @return The file associated to a storage action
469 XBT_PUBLIC(surf_file_t) surf_storage_action_get_file(surf_action_t action);
472 * @brief Get the result dictionary of an ls action
474 * @param action The surf storage action
475 * @return The dictionry listing a path
477 XBT_PUBLIC(xbt_dict_t) surf_storage_action_get_ls_dict(surf_action_t action);
481 * @brief Get the host the storage is attached to
483 * @param resource The surf storage
484 * @return The host name
487 XBT_PUBLIC(const char * ) surf_storage_get_host(surf_resource_t resource);
491 /**************************************/
492 /* Implementations of model object */
493 /**************************************/
495 XBT_PUBLIC_DATA(int) autoload_surf_cpu_model;
496 XBT_PUBLIC_DATA(void_f_void_t) surf_cpu_model_init_preparse;
498 /** \ingroup SURF_models
499 * \brief The CPU model object for the physical machine layer
501 XBT_PUBLIC_DATA(surf_cpu_model_t) surf_cpu_model_pm;
503 /** \ingroup SURF_models
504 * \brief The CPU model object for the virtual machine layer
506 XBT_PUBLIC_DATA(surf_cpu_model_t) surf_cpu_model_vm;
509 /** \ingroup SURF_models
510 * \brief Initializes the CPU model with the model Cas01
512 * By default, this model uses the lazy optimization mechanism that
513 * relies on partial invalidation in LMM and a heap for lazy action update.
514 * You can change this behavior by setting the cpu/optim configuration
515 * variable to a different value.
517 * You shouldn't have to call it by yourself.
519 XBT_PUBLIC(void) surf_cpu_model_init_Cas01(void);
521 /** \ingroup SURF_models
522 * \brief Initializes the CPU model with trace integration [Deprecated]
524 * You shouldn't have to call it by yourself.
526 XBT_PUBLIC(void) surf_cpu_model_init_ti(void);
528 /** \ingroup SURF_models
529 * \brief The list of all available optimization modes (both for cpu and networks).
530 * These optimization modes can be set using --cfg=cpu/optim:... and --cfg=network/optim:...
532 XBT_PUBLIC_DATA(s_surf_model_description_t) surf_optimization_mode_description[];
534 /** \ingroup SURF_plugins
535 * \brief The list of all available surf plugins
537 XBT_PUBLIC_DATA(s_surf_model_description_t) surf_plugin_description[];
539 /** \ingroup SURF_models
540 * \brief The list of all available cpu model models
542 XBT_PUBLIC_DATA(s_surf_model_description_t) surf_cpu_model_description[];
544 /**\brief create new host bypass the parser
549 /** \ingroup SURF_models
550 * \brief The network model
552 * When creating a new API on top on SURF, you shouldn't use the
553 * network model unless you know what you are doing. Only the host
554 * model should be accessed because depending on the platform model,
555 * the network model can be NULL.
557 XBT_PUBLIC_DATA(surf_network_model_t) surf_network_model;
559 /** \ingroup SURF_models
560 * \brief Same as network model 'LagrangeVelho', only with different correction factors.
562 * This model is proposed by Pierre-Nicolas Clauss and Martin Quinson and Stéphane Génaud
563 * based on the model 'LV08' and different correction factors depending on the communication
564 * size (< 1KiB, < 64KiB, >= 64KiB).
565 * See comments in the code for more information.
567 * \see surf_host_model_init_SMPI()
569 XBT_PUBLIC(void) surf_network_model_init_SMPI(void);
571 /** \ingroup SURF_models
572 * \brief Same as network model 'LagrangeVelho', only with different correction factors.
574 * This model impelments a variant of the contention model on Infinband networks based on
575 * the works of Jérôme Vienne : http://mescal.imag.fr/membres/jean-marc.vincent/index.html/PhD/Vienne.pdf
577 * \see surf_host_model_init_IB()
579 XBT_PUBLIC(void) surf_network_model_init_IB(void);
581 /** \ingroup SURF_models
582 * \brief Initializes the platform with the network model 'LegrandVelho'
584 * This model is proposed by Arnaud Legrand and Pedro Velho based on
585 * the results obtained with the GTNets simulator for onelink and
586 * dogbone sharing scenarios. See comments in the code for more information.
588 * \see surf_host_model_init_LegrandVelho()
590 XBT_PUBLIC(void) surf_network_model_init_LegrandVelho(void);
592 /** \ingroup SURF_models
593 * \brief Initializes the platform with the network model 'Constant'
595 * In this model, the communication time between two network cards is
596 * constant, hence no need for a routing table. This is particularly
597 * usefull when simulating huge distributed algorithms where
598 * scalability is really an issue. This function is called in
599 * conjunction with surf_host_model_init_compound.
601 * \see surf_host_model_init_compound()
603 XBT_PUBLIC(void) surf_network_model_init_Constant(void);
605 /** \ingroup SURF_models
606 * \brief Initializes the platform with the network model CM02
608 * You sould call this function by yourself only if you plan using
609 * surf_host_model_init_compound.
610 * See comments in the code for more information.
612 XBT_PUBLIC(void) surf_network_model_init_CM02(void);
615 /** \ingroup SURF_models
616 * \brief Initializes the platform with the network model NS3
618 * This function is called by surf_host_model_init_NS3
619 * or by yourself only if you plan using surf_host_model_init_compound
621 * \see surf_host_model_init_NS3()
623 XBT_PUBLIC(void) surf_network_model_init_NS3(void);
626 /** \ingroup SURF_models
627 * \brief Initializes the platform with the network model Reno
629 * The problem is related to max( sum( arctan(C * Df * xi) ) ).
632 * [LOW03] S. H. Low. A duality model of TCP and queue management algorithms.
633 * IEEE/ACM Transaction on Networking, 11(4):525-536, 2003.
635 * Call this function only if you plan using surf_host_model_init_compound.
638 XBT_PUBLIC(void) surf_network_model_init_Reno(void);
640 /** \ingroup SURF_models
641 * \brief Initializes the platform with the network model Reno2
643 * The problem is related to max( sum( arctan(C * Df * xi) ) ).
646 * [LOW01] S. H. Low. A duality model of TCP and queue management algorithms.
647 * IEEE/ACM Transaction on Networking, 11(4):525-536, 2003.
649 * Call this function only if you plan using surf_host_model_init_compound.
652 XBT_PUBLIC(void) surf_network_model_init_Reno2(void);
654 /** \ingroup SURF_models
655 * \brief Initializes the platform with the network model Vegas
657 * This problem is related to max( sum( a * Df * ln(xi) ) ) which is equivalent
658 * to the proportional fairness.
661 * [LOW03] S. H. Low. A duality model of TCP and queue management algorithms.
662 * IEEE/ACM Transaction on Networking, 11(4):525-536, 2003.
664 * Call this function only if you plan using surf_host_model_init_compound.
667 XBT_PUBLIC(void) surf_network_model_init_Vegas(void);
669 /** \ingroup SURF_models
670 * \brief The list of all available network model models
672 XBT_PUBLIC_DATA(s_surf_model_description_t)
673 surf_network_model_description[];
675 /** \ingroup SURF_models
676 * \brief The storage model
678 XBT_PUBLIC(void) surf_storage_model_init_default(void);
680 /** \ingroup SURF_models
681 * \brief The list of all available storage modes.
682 * This storage mode can be set using --cfg=storage/model:...
684 XBT_PUBLIC_DATA(s_surf_model_description_t) surf_storage_model_description[];
686 XBT_PUBLIC_DATA(surf_storage_model_t) surf_storage_model;
688 /** \ingroup SURF_models
689 * \brief The host model
691 * Note that when you create an API on top of SURF,
692 * the host model should be the only one you use
693 * because depending on the platform model, the network model and the CPU model
696 XBT_PUBLIC_DATA(surf_host_model_t) surf_host_model;
698 /** \ingroup SURF_models
699 * \brief The vm model
701 * Note that when you create an API on top of SURF,
702 * the vm model should be the only one you use
703 * because depending on the platform model, the network model and the CPU model
706 XBT_PUBLIC_DATA(surf_vm_model_t) surf_vm_model;
708 /** \ingroup SURF_models
709 * \brief Initializes the platform with a compound host model
711 * This function should be called after a cpu_model and a
712 * network_model have been set up.
715 XBT_PUBLIC(void) surf_host_model_init_compound(void);
717 /** \ingroup SURF_models
718 * \brief Initializes the platform with the current best network and cpu models at hand
720 * This platform model separates the host model and the network model.
721 * The host model will be initialized with the model compound, the network
722 * model with the model LV08 (with cross traffic support) and the CPU model with
724 * Such model is subject to modification with warning in the ChangeLog so monitor it!
727 XBT_PUBLIC(void) surf_host_model_init_current_default(void);
729 /** \ingroup SURF_models
730 * \brief Initializes the platform with the model L07
732 * With this model, only parallel tasks can be used. Resource sharing
733 * is done by identifying bottlenecks and giving an equal share of
734 * the model to each action.
737 XBT_PUBLIC(void) surf_host_model_init_ptask_L07(void);
739 /** \ingroup SURF_models
740 * \brief The list of all available host model models
742 XBT_PUBLIC_DATA(s_surf_model_description_t)
743 surf_host_model_description[];
745 /** \ingroup SURF_models
746 * \brief Initializes the platform with the current best network and cpu models at hand
748 * This platform model seperates the host model and the network model.
749 * The host model will be initialized with the model compound, the network
750 * model with the model LV08 (with cross traffic support) and the CPU model with
752 * Such model is subject to modification with warning in the ChangeLog so monitor it!
755 XBT_PUBLIC(void) surf_vm_model_init_HL13(void);
757 /** \ingroup SURF_models
758 * \brief The list of all available vm model models
760 XBT_PUBLIC_DATA(s_surf_model_description_t)
761 surf_vm_model_description[];
763 /*******************************************/
765 /** \ingroup SURF_models
766 * \brief List of initialized models
768 XBT_PUBLIC_DATA(xbt_dynar_t) all_existing_models;
770 /** \ingroup SURF_simulation
771 * \brief List of hosts that have just restarted and whose autorestart process should be restarted.
773 XBT_PUBLIC_DATA(xbt_dynar_t) host_that_restart;
775 /** \ingroup SURF_simulation
776 * \brief List of hosts for which one want to be notified if they ever restart.
778 XBT_PUBLIC_DATA(xbt_dict_t) watched_hosts_lib;
780 /*******************************************/
781 /*** SURF Platform *************************/
782 /*******************************************/
783 XBT_PUBLIC_DATA(AS_t) surf_AS_get_routing_root(void);
784 XBT_PUBLIC_DATA(const char *) surf_AS_get_name(AS_t as);
785 XBT_PUBLIC_DATA(AS_t) surf_AS_get_by_name(const char * name);
786 XBT_PUBLIC_DATA(xbt_dict_t) surf_AS_get_routing_sons(AS_t as);
787 XBT_PUBLIC_DATA(xbt_dynar_t) surf_AS_get_hosts(AS_t as);
788 XBT_PUBLIC_DATA(void) surf_AS_get_graph(AS_t as, xbt_graph_t graph, xbt_dict_t nodes, xbt_dict_t edges);
790 /*******************************************/
791 /*** SURF Globals **************************/
792 /*******************************************/
794 /** \ingroup SURF_simulation
795 * \brief Initialize SURF
796 * \param argc argument number
797 * \param argv arguments
799 * This function has to be called to initialize the common
800 * structures. Then you will have to create the environment by
802 * e.g. surf_host_model_init_CM02()
804 * \see surf_host_model_init_CM02(), surf_host_model_init_compound(), surf_exit()
806 XBT_PUBLIC(void) surf_init(int *argc, char **argv); /* initialize common structures */
808 /** \ingroup SURF_simulation
809 * \brief Finish simulation initialization
811 * This function must be called before the first call to surf_solve()
813 XBT_PUBLIC(void) surf_presolve(void);
815 /** \ingroup SURF_simulation
816 * \brief Performs a part of the simulation
817 * \param max_date Maximum date to update the simulation to, or -1
818 * \return the elapsed time, or -1.0 if no event could be executed
820 * This function execute all possible events, update the action states
821 * and returns the time elapsed.
822 * When you call execute or communicate on a model, the corresponding actions
823 * are not executed immediately but only when you call surf_solve.
824 * Note that the returned elapsed time can be zero.
826 XBT_PUBLIC(double) surf_solve(double max_date);
828 /** \ingroup SURF_simulation
829 * \brief Return the current time
831 * Return the current time in millisecond.
833 XBT_PUBLIC(double) surf_get_clock(void);
835 /** \ingroup SURF_simulation
842 XBT_PUBLIC(void) surf_exit(void);
844 /* Prototypes of the functions that handle the properties */
845 XBT_PUBLIC_DATA(xbt_dict_t) current_property_set; /* the prop set for the currently parsed element (also used in SIMIX) */
847 /* The same for model_prop set*/
848 XBT_PUBLIC_DATA(xbt_dict_t) current_model_property_set;
850 /* surf parse file related (public because called from a test suite) */
851 XBT_PUBLIC(void) parse_platform_file(const char *file);
853 /* For the trace and trace:connect tag (store their content till the end of the parsing) */
854 XBT_PUBLIC_DATA(xbt_dict_t) traces_set_list;
856 XBT_PUBLIC(xbt_dict_t) get_as_router_properties(const char* name);
859 * Returns the initial path. On Windows the initial path is
860 * the current directory for the current process in the other
861 * case the function returns "./" that represents the current
862 * directory on Unix/Linux platforms.
864 const char *__surf_get_initial_path(void);
866 /********** Tracing **********/
867 /* from surf_instr.c */
868 void TRACE_surf_action(surf_action_t surf_action, const char *category);
869 void TRACE_surf_alloc(void);
870 void TRACE_surf_release(void);
872 /* instr_routing.c */
873 void instr_routing_define_callbacks (void);
874 void instr_new_variable_type (const char *new_typename, const char *color);
875 void instr_new_user_variable_type (const char *father_type, const char *new_typename, const char *color);
876 void instr_new_user_state_type (const char *father_type, const char *new_typename);
877 void instr_new_value_for_user_state_type (const char *_typename, const char *value, const char *color);
878 int instr_platform_traced (void);
879 xbt_graph_t instr_routing_platform_graph (void);
880 void instr_routing_platform_graph_export_graphviz (xbt_graph_t g, const char *filename);
884 #endif /* _SURF_SURF_H */