1 /* Copyright (c) 2004-2014. The SimGrid Team.
2 * All rights reserved. */
4 /* This program is free software; you can redistribute it and/or modify it
5 * under the terms of the license (GNU LGPL) which comes with this package. */
11 #include "xbt/dynar.h"
13 #include "xbt/graph.h"
16 #include "xbt/config.h"
17 #include "surf/datatypes.h"
19 #include "surf/surf_routing.h"
20 #include "simgrid/platf_interface.h"
21 #include "simgrid/datatypes.h"
22 #include "simgrid/plugins.h"
25 /* Actions and models are highly connected structures... */
27 /* user-visible parameters */
28 extern double sg_tcp_gamma;
29 extern double sg_sender_gap;
30 extern double sg_latency_factor;
31 extern double sg_bandwidth_factor;
32 extern double sg_weight_S_parameter;
33 extern int sg_network_crosstraffic;
35 extern double sg_gtnets_jitter;
36 extern int sg_gtnets_jitter_seed;
38 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;
58 class NetworkCm02Link;
61 class StorageActionLmm;
66 typedef struct Model Model;
67 typedef struct CpuModel CpuModel;
68 typedef struct HostModel HostModel;
69 typedef struct VMModel VMModel;
70 typedef struct NetworkModel NetworkModel;
71 typedef struct StorageModel StorageModel;
72 typedef struct Resource Resource;
73 typedef struct ResourceLmm ResourceLmm;
74 typedef struct HostCLM03 HostCLM03;
75 typedef struct Host Host;
76 typedef struct NetworkCm02Link NetworkCm02Link;
77 typedef struct Action Action;
78 typedef struct ActionLmm ActionLmm;
79 typedef struct StorageActionLmm StorageActionLmm;
81 typedef struct RoutingEdge RoutingEdge;
82 typedef struct RoutingPlatf RoutingPlatf;
85 /** @ingroup SURF_c_bindings
86 * \brief Model datatype
88 * Generic data structure for a model. The hosts,
89 * the CPUs and the network links are examples of models.
91 typedef Model *surf_model_t;
92 typedef CpuModel *surf_cpu_model_t;
93 typedef HostModel *surf_host_model_t;
94 typedef VMModel *surf_vm_model_t;
96 typedef NetworkModel *surf_network_model_t;
97 typedef StorageModel *surf_storage_model_t;
99 typedef xbt_dictelm_t surf_resource_t;
100 typedef Resource *surf_cpp_resource_t;
101 typedef Host *surf_host_t;
103 /** @ingroup SURF_c_bindings
104 * \brief Action structure
106 * Never create s_surf_action_t by yourself ! The actions are created
107 * on the fly when you call execute or communicate on a model.
109 * \see e_surf_action_state_t
111 typedef Action *surf_action_t;
114 typedef RoutingEdge *routing_edge_t;
115 typedef RoutingPlatf *routing_platf_t;
117 typedef struct surf_file *surf_file_t;
119 XBT_PUBLIC(e_surf_network_element_type_t)
120 routing_get_network_element_type(const char* name);
122 /** @Brief Specify that we use that action */
123 XBT_PUBLIC(void) surf_action_ref(surf_action_t action);
125 /** @brief Creates a new action.
127 * @param size The size is the one of the subtype you want to create
128 * @param cost initial value
129 * @param model to which model we should attach this action
130 * @param failed whether we should start this action in failed mode
132 XBT_PUBLIC(void *) surf_action_new(size_t size, double cost,
133 surf_model_t model, int failed);
135 /** \brief Resource model description
137 typedef struct surf_model_description {
139 const char *description;
140 void_f_void_t model_init_preparse;
141 } s_surf_model_description_t, *surf_model_description_t;
143 XBT_PUBLIC(int) find_model_description(s_surf_model_description_t * table,
145 XBT_PUBLIC(void) model_help(const char *category,
146 s_surf_model_description_t * table);
148 /** @ingroup SURF_interface
149 * @brief Action states
154 SURF_ACTION_READY = 0, /**< Ready */
155 SURF_ACTION_RUNNING, /**< Running */
156 SURF_ACTION_FAILED, /**< Task Failure */
157 SURF_ACTION_DONE, /**< Completed */
158 SURF_ACTION_TO_FREE, /**< Action to free in next cleanup */
159 SURF_ACTION_NOT_IN_THE_SYSTEM /**< Not in the system anymore. Why did you ask ? */
160 } e_surf_action_state_t;
162 /** @ingroup SURF_vm_interface
166 /* FIXME: Where should the VM state be defined? */
168 SURF_VM_STATE_CREATED, /**< created, but not yet started */
169 SURF_VM_STATE_RUNNING,
170 SURF_VM_STATE_SUSPENDED, /**< Suspend/resume does not involve disk I/O, so we assume there is no transition states. */
172 SURF_VM_STATE_SAVING, /**< Save/restore involves disk I/O, so there should be transition states. */
174 SURF_VM_STATE_RESTORING,
177 /***************************/
178 /* Generic model object */
179 /***************************/
181 XBT_PUBLIC_DATA(routing_platf_t) routing_platf;
183 static inline surf_host_t surf_host_resource_priv(const void *host){
184 return (surf_host_t) xbt_lib_get_level((xbt_dictelm_t)host, SURF_HOST_LEVEL);
186 static inline void *surf_storage_resource_priv(const void *storage){
187 return (void*)xbt_lib_get_level((xbt_dictelm_t)storage, SURF_STORAGE_LEVEL);
190 static inline void *surf_storage_resource_by_name(const char *name){
191 return xbt_lib_get_elm_or_null(storage_lib, name);
194 XBT_PUBLIC(void *) surf_as_cluster_get_backbone(AS_t as);
195 XBT_PUBLIC(void) surf_as_cluster_set_backbone(AS_t as, void* backbone);
197 /** @{ @ingroup SURF_c_bindings */
199 /** @brief Get the name of a surf model (dont rely on exact value)
201 * This is implemented using typeid(), so it may change with the compiler
203 XBT_PUBLIC(const char *) surf_model_name(surf_model_t model);
206 * @brief Pop an action from the done actions set
208 * @param model The model from which the action is extracted
209 * @return An action in done state
211 XBT_PUBLIC(surf_action_t) surf_model_extract_done_action_set(surf_model_t model);
214 * @brief Pop an action from the failed actions set
216 * @param model The model from which the action is extracted
217 * @return An action in failed state
219 XBT_PUBLIC(surf_action_t) surf_model_extract_failed_action_set(surf_model_t model);
222 * @brief Pop an action from the ready actions set
224 * @param model The model from which the action is extracted
225 * @return An action in ready state
227 XBT_PUBLIC(surf_action_t) surf_model_extract_ready_action_set(surf_model_t model);
230 * @brief Pop an action from the running actions set
232 * @param model The model from which the action is extracted
233 * @return An action in running state
235 XBT_PUBLIC(surf_action_t) surf_model_extract_running_action_set(surf_model_t model);
238 * @brief Get the size of the running action set of a model
240 * @param model The model
241 * @return The size of the running action set
243 XBT_PUBLIC(int) surf_model_running_action_set_size(surf_model_t model);
246 * @brief Execute a parallel task
247 * @details [long description]
249 * @param model The model which handle the parallelisation
250 * @param host_nb The number of hosts
251 * @param host_list The list of hosts on which the task is executed
252 * @param flops_amount The processing amount (in flop) needed to process
253 * @param bytes_amount The amount of data (in bytes) needed to transfer
254 * @param rate [description]
255 * @return The action corresponding to the parallele execution task
257 XBT_PUBLIC(surf_action_t) surf_host_model_execute_parallel_task(surf_host_model_t model,
259 sg_host_t *host_list,
260 double *flops_amount,
261 double *bytes_amount,
264 /** @brief Get the route (dynar of sg_link_t) between two hosts */
265 XBT_PUBLIC(xbt_dynar_t) surf_host_model_get_route(surf_host_model_t model, surf_resource_t src, surf_resource_t dst);
267 /** @brief Create a new VM on the specified host */
268 XBT_PUBLIC(void) surf_vm_model_create(const char *name, surf_resource_t host_PM);
270 /** @brief Create a communication between two hosts
272 * @param model The model which handle the communication
273 * @param src The source host
274 * @param dst The destination host
275 * @param size The amount of data (in bytes) needed to transfer
276 * @param rate [description]
277 * @return The action corresponding to the communication
279 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);
282 * @brief Get the name of a surf resource (cpu, host, network, …)
284 * @param resource The surf resource
285 * @return The name of the surf resource
287 XBT_PUBLIC(const char * ) surf_resource_name(surf_cpp_resource_t resource);
288 static inline const char * surf_cpu_name(surf_cpu_t cpu) {
289 return surf_resource_name((surf_cpp_resource_t)cpu);
292 /** @brief Get the properties of a surf resource (cpu, host, network, …) */
293 XBT_PUBLIC(xbt_dict_t) surf_resource_get_properties(surf_cpp_resource_t resource);
294 static XBT_INLINE xbt_dict_t surf_host_get_properties(surf_host_t host) {
295 return surf_resource_get_properties((surf_cpp_resource_t)host);
299 /** @brief Get the state of a surf resource (cpu, host, network, …) */
300 XBT_PUBLIC(e_surf_resource_state_t) surf_resource_get_state(surf_cpp_resource_t resource);
302 static XBT_INLINE e_surf_resource_state_t surf_host_get_state(surf_host_t host) {
303 return surf_resource_get_state((surf_cpp_resource_t)host);
307 /** @brief Set the state of a surf resource (cpu, host, network, …) */
308 XBT_PUBLIC(void) surf_resource_set_state(surf_cpp_resource_t resource, e_surf_resource_state_t state);
309 static inline void surf_host_set_state(surf_host_t host, e_surf_resource_state_t state) {
310 surf_resource_set_state((surf_cpp_resource_t)host, state);
313 /** @brief Get the speed of the cpu associated to a host */
314 XBT_PUBLIC(double) surf_host_get_speed(surf_resource_t resource, double load);
316 /** @brief Get the available speed of cpu associated to a host */
317 XBT_PUBLIC(double) surf_host_get_available_speed(surf_resource_t host);
319 /** @brief Get the number of cores of the cpu associated to a host */
320 XBT_PUBLIC(int) surf_host_get_core(surf_resource_t host);
322 /** @brief Create a computation action on the given host */
323 XBT_PUBLIC(surf_action_t) surf_host_execute(surf_resource_t host, double size);
325 /** @brief Create a sleep action on the given host */
326 XBT_PUBLIC(surf_action_t) surf_host_sleep(surf_resource_t host, double duration);
328 /** @brief Create a file opening action on the given host */
329 XBT_PUBLIC(surf_action_t) surf_host_open(surf_resource_t host, const char* fullpath);
331 /** @brief Create a file closing action on the given host */
332 XBT_PUBLIC(surf_action_t) surf_host_close(surf_resource_t host, surf_file_t fd);
334 /** @brief Create a file reading action on the given host */
335 XBT_PUBLIC(surf_action_t) surf_host_read(surf_resource_t host, surf_file_t fd, sg_size_t size);
337 /** @brief Create a file writing action on the given host */
338 XBT_PUBLIC(surf_action_t) surf_host_write(surf_resource_t host, surf_file_t fd, sg_size_t size);
341 * @brief Get the informations of a file descriptor
342 * @details The returned xbt_dynar_t contains:
343 * - the size of the file,
345 * - the storage name,
346 * - the storage typeId,
347 * - the storage content type
349 * @param host The surf host
350 * @param fd The file descriptor
351 * @return An xbt_dynar_t with the file informations
353 XBT_PUBLIC(xbt_dynar_t) surf_host_get_info(surf_resource_t host, surf_file_t fd);
356 * @brief Get the available space of the storage at the mount point
358 * @param resource The surf host
359 * @param name The mount point
360 * @return The amount of available space in bytes
362 XBT_PUBLIC(sg_size_t) surf_host_get_free_size(surf_resource_t resource, const char* name);
365 * @brief Get the used space of the storage at the mount point
367 * @param resource The surf host
368 * @param name The mount point
369 * @return The amount of used space in bytes
371 XBT_PUBLIC(sg_size_t) surf_host_get_used_size(surf_resource_t resource, const char* name);
373 /** @brief Get the list of VMs hosted on the host */
374 XBT_PUBLIC(xbt_dynar_t) surf_host_get_vms(surf_resource_t resource);
376 /** @brief Retrieve the params of that VM
377 * @details You can use fields ramsize and overcommit on a PM, too.
379 XBT_PUBLIC(void) surf_host_get_params(surf_resource_t resource, vm_params_t params);
381 /** @brief Sets the params of that VM/PM
382 * @details You can use fields ramsize and overcommit on a PM, too.
384 XBT_PUBLIC(void) surf_host_set_params(surf_resource_t resource, vm_params_t params);
387 * @brief Destroy a VM
389 * @param resource The surf vm
391 XBT_PUBLIC(void) surf_vm_destroy(surf_resource_t resource);
393 /** @brief Suspend a VM */
394 XBT_PUBLIC(void) surf_vm_suspend(surf_resource_t resource);
396 /** @brief Resume a VM */
397 XBT_PUBLIC(void) surf_vm_resume(surf_resource_t resource);
400 * @brief Save the VM (Not yet implemented)
402 * @param resource The surf vm
404 XBT_PUBLIC(void) surf_vm_save(surf_resource_t resource);
407 * @brief Restore the VM (Not yet implemented)
409 * @param resource The surf vm
411 XBT_PUBLIC(void) surf_vm_restore(surf_resource_t resource);
414 * @brief Migrate the VM to the destination host
416 * @param resource The surf vm
417 * @param ind_vm_ws_dest The destination host
419 XBT_PUBLIC(void) surf_vm_migrate(surf_resource_t resource, surf_resource_t ind_vm_ws_dest);
422 * @brief Get the physical machine hosting the VM
424 * @param resource The surf vm
425 * @return The physical machine hosting the VM
427 XBT_PUBLIC(surf_resource_t) surf_vm_get_pm(surf_resource_t resource);
430 * @brief [brief description]
431 * @details [long description]
433 * @param resource [description]
434 * @param bound [description]
436 XBT_PUBLIC(void) surf_vm_set_bound(surf_resource_t resource, double bound);
439 * @brief [brief description]
440 * @details [long description]
442 * @param resource [description]
443 * @param cpu [description]
444 * @param mask [description]
446 XBT_PUBLIC(void) surf_vm_set_affinity(surf_resource_t resource, surf_resource_t cpu, unsigned long mask);
449 * @brief Execute some quantity of computation
451 * @param cpu The surf cpu
452 * @param size The value of the processing amount (in flop) needed to process
453 * @return The surf action corresponding to the processing
455 XBT_PUBLIC(surf_action_t) surf_cpu_execute(surf_resource_t cpu, double size);
458 * @brief Make the cpu sleep for duration (in seconds)
459 * @details [long description]
461 * @param cpu The surf cpu
462 * @param duration The number of seconds to sleep
463 * @return The surf action corresponding to the sleeping
465 XBT_PUBLIC(surf_action_t) surf_cpu_sleep(surf_resource_t cpu, double duration);
468 * @brief Get the host power peak
469 * @details [long description]
471 * @param host The surf host
472 * @return The power peak
474 XBT_PUBLIC(double) surf_host_get_current_power_peak(surf_resource_t host);
477 * @brief [brief description]
478 * @details [long description]
480 * @param host [description]
481 * @param pstate_index [description]
483 * @return [description]
485 XBT_PUBLIC(double) surf_host_get_power_peak_at(surf_resource_t host, int pstate_index);
488 * @brief [brief description]
489 * @details [long description]
491 * @param host [description]
492 * @return [description]
494 XBT_PUBLIC(int) surf_host_get_nb_pstates(surf_resource_t host);
496 XBT_PUBLIC(void) surf_host_set_pstate(surf_resource_t host, int pstate_index);
497 XBT_PUBLIC(int) surf_host_get_pstate(surf_resource_t host);
498 XBT_PUBLIC(double) surf_host_get_wattmin_at(surf_resource_t resource, int pstate);
499 XBT_PUBLIC(double) surf_host_get_wattmax_at(surf_resource_t resource, int pstate);
502 * @brief Get the consumed energy (in joules) of an host
504 * @param host The surf host
505 * @return The consumed energy
507 XBT_PUBLIC(double) surf_host_get_consumed_energy(surf_resource_t host);
510 * @brief Get the list of storages mounted on an host
512 * @param host The surf host
513 * @return Dictionary of mount point, Storage
515 XBT_PUBLIC(xbt_dict_t) surf_host_get_mounted_storage_list(surf_resource_t host);
518 * @brief Get the list of storages attached to an host
520 * @param host The surf host
521 * @return Dictionary of storage
523 XBT_PUBLIC(xbt_dynar_t) surf_host_get_attached_storage_list(surf_resource_t host);
526 * @brief Unlink a file descriptor
528 * @param host The surf host
529 * @param fd The file descriptor
531 * @return 0 if failed to unlink, 1 otherwise
533 XBT_PUBLIC(int) surf_host_unlink(surf_resource_t host, surf_file_t fd);
536 * @brief Get the size of a file on a host
538 * @param host The surf host
539 * @param fd The file descriptor
541 * @return The size in bytes of the file
543 XBT_PUBLIC(size_t) surf_host_get_size(surf_resource_t host, surf_file_t fd);
546 * @brief Get the current position of the file descriptor
548 * @param host The surf host
549 * @param fd The file descriptor
550 * @return The current position of the file descriptor
552 XBT_PUBLIC(size_t) surf_host_file_tell(surf_resource_t host, surf_file_t fd);
555 * @brief Move a file to another location on the *same mount point*.
556 * @details [long description]
558 * @param host The surf host
559 * @param fd The file descriptor
560 * @param fullpath The new full path
562 * @return MSG_OK if successful, otherwise MSG_TASK_CANCELED
564 XBT_PUBLIC(int) surf_host_file_move(surf_resource_t host, surf_file_t fd, const char* fullpath);
567 * @brief Set the position indictator assiociated with the file descriptor to a new position
568 * @details [long description]
570 * @param host The surf host
571 * @param fd The file descriptor
572 * @param offset The offset from the origin
573 * @param origin Position used as a reference for the offset
574 * - SEEK_SET: beginning of the file
575 * - SEEK_CUR: current position indicator
576 * - SEEK_END: end of the file
577 * @return MSG_OK if successful, otherwise MSG_TASK_CANCELED
579 XBT_PUBLIC(int) surf_host_file_seek(surf_resource_t host,
580 surf_file_t fd, sg_offset_t offset,
584 * @brief Get the content of a storage
586 * @param resource The surf storage
587 * @return A xbt_dict_t with path as keys and size in bytes as values
589 XBT_PUBLIC(xbt_dict_t) surf_storage_get_content(surf_resource_t resource);
592 * @brief Get the size in bytes of a storage
594 * @param resource The surf storage
595 * @return The size in bytes of the storage
597 XBT_PUBLIC(sg_size_t) surf_storage_get_size(surf_resource_t resource);
600 * @brief Get the available size in bytes of a storage
602 * @param resource The surf storage
603 * @return The available size in bytes of the storage
605 XBT_PUBLIC(sg_size_t) surf_storage_get_free_size(surf_resource_t resource);
608 * @brief Get the size in bytes of a storage
610 * @param resource The surf storage
611 * @return The used size in bytes of the storage
613 XBT_PUBLIC(sg_size_t) surf_storage_get_used_size(surf_resource_t resource);
617 * @brief Get the data associated to the action
619 * @param action The surf action
620 * @return The data associated to the action
622 XBT_PUBLIC(void*) surf_action_get_data(surf_action_t action);
625 * @brief Set the data associated to the action
626 * @details [long description]
628 * @param action The surf action
629 * @param data The new data associated to the action
631 XBT_PUBLIC(void) surf_action_set_data(surf_action_t action, void *data);
634 * @brief Unreference an action
636 * @param action The surf action
638 XBT_PUBLIC(void) surf_action_unref(surf_action_t action);
641 * @brief Get the start time of an action
643 * @param action The surf action
644 * @return The start time in seconds from the beginning of the simulation
646 XBT_PUBLIC(double) surf_action_get_start_time(surf_action_t action);
649 * @brief Get the finish time of an action
651 * @param action The surf action
652 * @return The finish time in seconds from the beginning of the simulation
654 XBT_PUBLIC(double) surf_action_get_finish_time(surf_action_t action);
657 * @brief Get the remains amount of work to do of an action
659 * @param action The surf action
660 * @return The remains amount of work to do
662 XBT_PUBLIC(double) surf_action_get_remains(surf_action_t action);
665 * @brief Suspend an action
667 * @param action The surf action
669 XBT_PUBLIC(void) surf_action_suspend(surf_action_t action);
672 * @brief Resume an action
674 * @param action The surf action
676 XBT_PUBLIC(void) surf_action_resume(surf_action_t action);
679 * @brief Cancel an action
681 * @param action The surf action
683 XBT_PUBLIC(void) surf_action_cancel(surf_action_t action);
686 * @brief Set the priority of an action
687 * @details [long description]
689 * @param action The surf action
690 * @param priority The new priority [TODO]
692 XBT_PUBLIC(void) surf_action_set_priority(surf_action_t action, double priority);
695 * @brief Set the category of an action
696 * @details [long description]
698 * @param action The surf action
699 * @param category The new category of the action
701 XBT_PUBLIC(void) surf_action_set_category(surf_action_t action, const char *category);
704 * @brief Get the state of an action
706 * @param action The surf action
707 * @return The state of the action
709 XBT_PUBLIC(e_surf_action_state_t) surf_action_get_state(surf_action_t action);
712 * @brief Get the cost of an action
714 * @param action The surf action
715 * @return The cost of the action
717 XBT_PUBLIC(double) surf_action_get_cost(surf_action_t action);
720 * @brief [brief desrciption]
721 * @details [long description]
723 * @param action The surf cpu action
724 * @param cpu [description]
725 * @param mask [description]
727 XBT_PUBLIC(void) surf_cpu_action_set_affinity(surf_action_t action, surf_resource_t cpu, unsigned long mask);
730 * @brief [brief description]
731 * @details [long description]
733 * @param action The surf cpu action
734 * @param bound [description]
736 XBT_PUBLIC(void) surf_cpu_action_set_bound(surf_action_t action, double bound);
739 * @brief [brief description]
740 * @details [long description]
742 * @param action The surf network action
744 XBT_PUBLIC(double) surf_network_action_get_latency_limited(surf_action_t action);
747 * @brief Get the file associated to a storage action
749 * @param action The surf storage action
750 * @return The file associated to a storage action
752 XBT_PUBLIC(surf_file_t) surf_storage_action_get_file(surf_action_t action);
755 * @brief Get the result dictionary of an ls action
757 * @param action The surf storage action
758 * @return The dictionry listing a path
760 XBT_PUBLIC(xbt_dict_t) surf_storage_action_get_ls_dict(surf_action_t action);
764 * @brief Get the host the storage is attached to
766 * @param resource The surf storage
767 * @return The host name
769 XBT_PUBLIC(const char * ) surf_storage_get_host(surf_resource_t resource);
771 XBT_PUBLIC(surf_model_t) surf_resource_model(const void *host, int level);
775 /**************************************/
776 /* Implementations of model object */
777 /**************************************/
779 XBT_PUBLIC_DATA(int) autoload_surf_cpu_model;
780 XBT_PUBLIC_DATA(void_f_void_t) surf_cpu_model_init_preparse;
782 /** \ingroup SURF_models
783 * \brief The CPU model object for the physical machine layer
785 XBT_PUBLIC_DATA(surf_cpu_model_t) surf_cpu_model_pm;
787 /** \ingroup SURF_models
788 * \brief The CPU model object for the virtual machine layer
790 XBT_PUBLIC_DATA(surf_cpu_model_t) surf_cpu_model_vm;
793 /** \ingroup SURF_models
794 * \brief Initializes the CPU model with the model Cas01
796 * By default, this model uses the lazy optimization mechanism that
797 * relies on partial invalidation in LMM and a heap for lazy action update.
798 * You can change this behavior by setting the cpu/optim configuration
799 * variable to a different value.
801 * You shouldn't have to call it by yourself.
803 XBT_PUBLIC(void) surf_cpu_model_init_Cas01(void);
805 /** \ingroup SURF_models
806 * \brief Initializes the CPU model with trace integration [Deprecated]
808 * You shouldn't have to call it by yourself.
810 XBT_PUBLIC(void) surf_cpu_model_init_ti(void);
812 /** \ingroup SURF_models
813 * \brief The list of all available optimization modes (both for cpu and networks).
814 * These optimization modes can be set using --cfg=cpu/optim:... and --cfg=network/optim:...
816 XBT_PUBLIC_DATA(s_surf_model_description_t) surf_optimization_mode_description[];
818 /** \ingroup SURF_plugins
819 * \brief The list of all available surf plugins
821 XBT_PUBLIC_DATA(s_surf_model_description_t) surf_plugin_description[];
823 /** \ingroup SURF_models
824 * \brief The list of all available cpu model models
826 XBT_PUBLIC_DATA(s_surf_model_description_t) surf_cpu_model_description[];
828 /**\brief create new host bypass the parser
833 /** \ingroup SURF_models
834 * \brief The network model
836 * When creating a new API on top on SURF, you shouldn't use the
837 * network model unless you know what you are doing. Only the host
838 * model should be accessed because depending on the platform model,
839 * the network model can be NULL.
841 XBT_PUBLIC_DATA(surf_network_model_t) surf_network_model;
843 /** \ingroup SURF_models
844 * \brief Same as network model 'LagrangeVelho', only with different correction factors.
846 * This model is proposed by Pierre-Nicolas Clauss and Martin Quinson and Stéphane Génaud
847 * based on the model 'LV08' and different correction factors depending on the communication
848 * size (< 1KiB, < 64KiB, >= 64KiB).
849 * See comments in the code for more information.
851 * \see surf_host_model_init_SMPI()
853 XBT_PUBLIC(void) surf_network_model_init_SMPI(void);
855 /** \ingroup SURF_models
856 * \brief Same as network model 'LagrangeVelho', only with different correction factors.
858 * This model impelments a variant of the contention model on Infinband networks based on
859 * the works of Jérôme Vienne : http://mescal.imag.fr/membres/jean-marc.vincent/index.html/PhD/Vienne.pdf
861 * \see surf_host_model_init_IB()
863 XBT_PUBLIC(void) surf_network_model_init_IB(void);
865 /** \ingroup SURF_models
866 * \brief Initializes the platform with the network model 'LegrandVelho'
868 * This model is proposed by Arnaud Legrand and Pedro Velho based on
869 * the results obtained with the GTNets simulator for onelink and
870 * dogbone sharing scenarios. See comments in the code for more information.
872 * \see surf_host_model_init_LegrandVelho()
874 XBT_PUBLIC(void) surf_network_model_init_LegrandVelho(void);
876 /** \ingroup SURF_models
877 * \brief Initializes the platform with the network model 'Constant'
879 * In this model, the communication time between two network cards is
880 * constant, hence no need for a routing table. This is particularly
881 * usefull when simulating huge distributed algorithms where
882 * scalability is really an issue. This function is called in
883 * conjunction with surf_host_model_init_compound.
885 * \see surf_host_model_init_compound()
887 XBT_PUBLIC(void) surf_network_model_init_Constant(void);
889 /** \ingroup SURF_models
890 * \brief Initializes the platform with the network model CM02
892 * You sould call this function by yourself only if you plan using
893 * surf_host_model_init_compound.
894 * See comments in the code for more information.
896 XBT_PUBLIC(void) surf_network_model_init_CM02(void);
899 /** \ingroup SURF_models
900 * \brief Initializes the platform with the network model GTNETS
902 * This function is called by surf_host_model_init_GTNETS
903 * or by yourself only if you plan using surf_host_model_init_compound
905 * \see surf_host_model_init_GTNETS()
907 XBT_PUBLIC(void) surf_network_model_init_GTNETS(void);
911 /** \ingroup SURF_models
912 * \brief Initializes the platform with the network model NS3
914 * This function is called by surf_host_model_init_NS3
915 * or by yourself only if you plan using surf_host_model_init_compound
917 * \see surf_host_model_init_NS3()
919 XBT_PUBLIC(void) surf_network_model_init_NS3(void);
922 /** \ingroup SURF_models
923 * \brief Initializes the platform with the network model Reno
925 * The problem is related to max( sum( arctan(C * Df * xi) ) ).
928 * [LOW03] S. H. Low. A duality model of TCP and queue management algorithms.
929 * IEEE/ACM Transaction on Networking, 11(4):525-536, 2003.
931 * Call this function only if you plan using surf_host_model_init_compound.
934 XBT_PUBLIC(void) surf_network_model_init_Reno(void);
936 /** \ingroup SURF_models
937 * \brief Initializes the platform with the network model Reno2
939 * The problem is related to max( sum( arctan(C * Df * xi) ) ).
942 * [LOW01] S. H. Low. A duality model of TCP and queue management algorithms.
943 * IEEE/ACM Transaction on Networking, 11(4):525-536, 2003.
945 * Call this function only if you plan using surf_host_model_init_compound.
948 XBT_PUBLIC(void) surf_network_model_init_Reno2(void);
950 /** \ingroup SURF_models
951 * \brief Initializes the platform with the network model Vegas
953 * This problem is related to max( sum( a * Df * ln(xi) ) ) which is equivalent
954 * to the proportional fairness.
957 * [LOW03] S. H. Low. A duality model of TCP and queue management algorithms.
958 * IEEE/ACM Transaction on Networking, 11(4):525-536, 2003.
960 * Call this function only if you plan using surf_host_model_init_compound.
963 XBT_PUBLIC(void) surf_network_model_init_Vegas(void);
965 /** \ingroup SURF_models
966 * \brief The list of all available network model models
968 XBT_PUBLIC_DATA(s_surf_model_description_t)
969 surf_network_model_description[];
971 /** \ingroup SURF_models
972 * \brief The storage model
974 XBT_PUBLIC(void) surf_storage_model_init_default(void);
976 /** \ingroup SURF_models
977 * \brief The list of all available storage modes.
978 * This storage mode can be set using --cfg=storage/model:...
980 XBT_PUBLIC_DATA(s_surf_model_description_t) surf_storage_model_description[];
982 XBT_PUBLIC_DATA(surf_storage_model_t) surf_storage_model;
984 /** \ingroup SURF_models
985 * \brief The host model
987 * Note that when you create an API on top of SURF,
988 * the host model should be the only one you use
989 * because depending on the platform model, the network model and the CPU model
992 XBT_PUBLIC_DATA(surf_host_model_t) surf_host_model;
994 /** \ingroup SURF_models
995 * \brief The vm model
997 * Note that when you create an API on top of SURF,
998 * the vm model should be the only one you use
999 * because depending on the platform model, the network model and the CPU model
1002 XBT_PUBLIC_DATA(surf_vm_model_t) surf_vm_model;
1004 /** \ingroup SURF_models
1005 * \brief Initializes the platform with a compound host model
1007 * This function should be called after a cpu_model and a
1008 * network_model have been set up.
1011 XBT_PUBLIC(void) surf_host_model_init_compound(void);
1013 /** \ingroup SURF_models
1014 * \brief Initializes the platform with the current best network and cpu models at hand
1016 * This platform model separates the host model and the network model.
1017 * The host model will be initialized with the model compound, the network
1018 * model with the model LV08 (with cross traffic support) and the CPU model with
1020 * Such model is subject to modification with warning in the ChangeLog so monitor it!
1023 XBT_PUBLIC(void) surf_host_model_init_current_default(void);
1025 /** \ingroup SURF_models
1026 * \brief Initializes the platform with the model L07
1028 * With this model, only parallel tasks can be used. Resource sharing
1029 * is done by identifying bottlenecks and giving an equal share of
1030 * the model to each action.
1033 XBT_PUBLIC(void) surf_host_model_init_ptask_L07(void);
1035 /** \ingroup SURF_models
1036 * \brief The list of all available host model models
1038 XBT_PUBLIC_DATA(s_surf_model_description_t)
1039 surf_host_model_description[];
1041 /** \ingroup SURF_models
1042 * \brief Initializes the platform with the current best network and cpu models at hand
1044 * This platform model seperates the host model and the network model.
1045 * The host model will be initialized with the model compound, the network
1046 * model with the model LV08 (with cross traffic support) and the CPU model with
1048 * Such model is subject to modification with warning in the ChangeLog so monitor it!
1051 XBT_PUBLIC(void) surf_vm_model_init_HL13(void);
1053 /** \ingroup SURF_models
1054 * \brief The list of all available vm model models
1056 XBT_PUBLIC_DATA(s_surf_model_description_t)
1057 surf_vm_model_description[];
1059 /*******************************************/
1061 /** \ingroup SURF_models
1062 * \brief List of initialized models
1064 XBT_PUBLIC_DATA(xbt_dynar_t) model_list;
1065 XBT_PUBLIC_DATA(xbt_dynar_t) model_list_invoke;
1067 /** \ingroup SURF_simulation
1068 * \brief List of hosts that have juste restarted and whose autorestart process should be restarted.
1070 XBT_PUBLIC_DATA(xbt_dynar_t) host_that_restart;
1072 /** \ingroup SURF_simulation
1073 * \brief List of hosts for which one want to be notified if they ever restart.
1075 XBT_PUBLIC_DATA(xbt_dict_t) watched_hosts_lib;
1077 /*******************************************/
1078 /*** SURF Platform *************************/
1079 /*******************************************/
1080 XBT_PUBLIC_DATA(AS_t) surf_AS_get_routing_root(void);
1081 XBT_PUBLIC_DATA(const char *) surf_AS_get_name(AS_t as);
1082 XBT_PUBLIC_DATA(AS_t) surf_AS_get_by_name(const char * name);
1083 XBT_PUBLIC_DATA(xbt_dict_t) surf_AS_get_routing_sons(AS_t as);
1084 XBT_PUBLIC_DATA(const char *) surf_AS_get_model(AS_t as);
1085 XBT_PUBLIC_DATA(xbt_dynar_t) surf_AS_get_hosts(AS_t as);
1086 XBT_PUBLIC_DATA(void) surf_AS_get_graph(AS_t as, xbt_graph_t graph, xbt_dict_t nodes, xbt_dict_t edges);
1087 XBT_PUBLIC_DATA(AS_t) surf_platf_get_root(routing_platf_t platf);
1088 XBT_PUBLIC_DATA(e_surf_network_element_type_t) surf_routing_edge_get_rc_type(sg_routing_edge_t edge);
1090 /*******************************************/
1091 /*** SURF Globals **************************/
1092 /*******************************************/
1094 /** \ingroup SURF_simulation
1095 * \brief Initialize SURF
1096 * \param argc argument number
1097 * \param argv arguments
1099 * This function has to be called to initialize the common
1100 * structures. Then you will have to create the environment by
1102 * e.g. surf_host_model_init_CM02()
1104 * \see surf_host_model_init_CM02(), surf_host_model_init_compound(), surf_exit()
1106 XBT_PUBLIC(void) surf_init(int *argc, char **argv); /* initialize common structures */
1108 /** \ingroup SURF_simulation
1109 * \brief Finish simulation initialization
1111 * This function must be called before the first call to surf_solve()
1113 XBT_PUBLIC(void) surf_presolve(void);
1115 /** \ingroup SURF_simulation
1116 * \brief Performs a part of the simulation
1117 * \param max_date Maximum date to update the simulation to, or -1
1118 * \return the elapsed time, or -1.0 if no event could be executed
1120 * This function execute all possible events, update the action states
1121 * and returns the time elapsed.
1122 * When you call execute or communicate on a model, the corresponding actions
1123 * are not executed immediately but only when you call surf_solve.
1124 * Note that the returned elapsed time can be zero.
1126 XBT_PUBLIC(double) surf_solve(double max_date);
1128 /** \ingroup SURF_simulation
1129 * \brief Return the current time
1131 * Return the current time in millisecond.
1133 XBT_PUBLIC(double) surf_get_clock(void);
1135 /** \ingroup SURF_simulation
1142 XBT_PUBLIC(void) surf_exit(void);
1144 /* Prototypes of the functions that handle the properties */
1145 XBT_PUBLIC_DATA(xbt_dict_t) current_property_set; /* the prop set for the currently parsed element (also used in SIMIX) */
1147 /* The same for model_prop set*/
1148 XBT_PUBLIC_DATA(xbt_dict_t) current_model_property_set;
1150 /* surf parse file related (public because called from a test suite) */
1151 XBT_PUBLIC(void) parse_platform_file(const char *file);
1153 /* For the trace and trace:connect tag (store their content till the end of the parsing) */
1154 XBT_PUBLIC_DATA(xbt_dict_t) traces_set_list;
1155 XBT_PUBLIC_DATA(xbt_dict_t) trace_connect_list_host_avail;
1156 XBT_PUBLIC_DATA(xbt_dict_t) trace_connect_list_power;
1157 XBT_PUBLIC_DATA(xbt_dict_t) trace_connect_list_link_avail;
1158 XBT_PUBLIC_DATA(xbt_dict_t) trace_connect_list_bandwidth;
1159 XBT_PUBLIC_DATA(xbt_dict_t) trace_connect_list_latency;
1162 XBT_PUBLIC(double) get_cpu_power(const char *power);
1164 XBT_PUBLIC(xbt_dict_t) get_as_router_properties(const char* name);
1166 int surf_get_nthreads(void);
1167 void surf_set_nthreads(int nthreads);
1170 * Returns the initial path. On Windows the initial path is
1171 * the current directory for the current process in the other
1172 * case the function returns "./" that represents the current
1173 * directory on Unix/Linux platforms.
1175 const char *__surf_get_initial_path(void);
1177 /********** Tracing **********/
1178 /* from surf_instr.c */
1179 void TRACE_surf_action(surf_action_t surf_action, const char *category);
1180 void TRACE_surf_alloc(void);
1181 void TRACE_surf_release(void);
1183 /* instr_routing.c */
1184 void instr_routing_define_callbacks (void);
1185 void instr_new_variable_type (const char *new_typename, const char *color);
1186 void instr_new_user_variable_type (const char *father_type, const char *new_typename, const char *color);
1187 void instr_new_user_state_type (const char *father_type, const char *new_typename);
1188 void instr_new_value_for_user_state_type (const char *_typename, const char *value, const char *color);
1189 int instr_platform_traced (void);
1190 xbt_graph_t instr_routing_platform_graph (void);
1191 void instr_routing_platform_graph_export_graphviz (xbt_graph_t g, const char *filename);
1194 #endif /* _SURF_SURF_H */