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/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 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_NULL = 0, /* NULL */
38 SURF_NETWORK_ELEMENT_HOST, /* host type */
39 SURF_NETWORK_ELEMENT_ROUTER, /* router type */
40 SURF_NETWORK_ELEMENT_AS /* AS type */
41 } e_surf_network_element_type_t;
54 class NetworkCm02Link;
57 class StorageActionLmm;
62 typedef struct Model Model;
63 typedef struct CpuModel CpuModel;
64 typedef struct HostModel HostModel;
65 typedef struct VMModel VMModel;
66 typedef struct NetworkModel NetworkModel;
67 typedef struct StorageModel StorageModel;
68 typedef struct Resource Resource;
69 typedef struct ResourceLmm ResourceLmm;
70 typedef struct HostCLM03 HostCLM03;
71 typedef struct Host Host;
72 typedef struct NetworkCm02Link NetworkCm02Link;
73 typedef struct Action Action;
74 typedef struct ActionLmm ActionLmm;
75 typedef struct StorageActionLmm StorageActionLmm;
77 typedef struct RoutingEdge RoutingEdge;
78 typedef struct RoutingPlatf RoutingPlatf;
81 /** @ingroup SURF_c_bindings
82 * \brief Model datatype
84 * Generic data structure for a model. The hosts,
85 * the CPUs and the network links are examples of models.
87 typedef Model *surf_model_t;
88 typedef CpuModel *surf_cpu_model_t;
89 typedef HostModel *surf_host_model_t;
90 typedef VMModel *surf_vm_model_t;
92 typedef NetworkModel *surf_network_model_t;
93 typedef StorageModel *surf_storage_model_t;
95 typedef xbt_dictelm_t surf_resource_t;
96 typedef Resource *surf_cpp_resource_t;
97 typedef Host *surf_host_t;
99 /** @ingroup SURF_c_bindings
100 * \brief Action structure
102 * Never create s_surf_action_t by yourself ! The actions are created
103 * on the fly when you call execute or communicate on a model.
105 * \see e_surf_action_state_t
107 typedef Action *surf_action_t;
110 typedef RoutingEdge *routing_edge_t;
111 typedef RoutingPlatf *routing_platf_t;
113 typedef struct surf_file *surf_file_t;
115 XBT_PUBLIC(e_surf_network_element_type_t)
116 routing_get_network_element_type(const char* name);
118 /** @Brief Specify that we use that action */
119 XBT_PUBLIC(void) surf_action_ref(surf_action_t action);
121 /** @brief Creates a new action.
123 * @param size The size is the one of the subtype you want to create
124 * @param cost initial value
125 * @param model to which model we should attach this action
126 * @param failed whether we should start this action in failed mode
128 XBT_PUBLIC(void *) surf_action_new(size_t size, double cost,
129 surf_model_t model, int failed);
131 /** \brief Resource model description
133 typedef struct surf_model_description {
135 const char *description;
136 void_f_void_t model_init_preparse;
137 } s_surf_model_description_t, *surf_model_description_t;
139 XBT_PUBLIC(int) find_model_description(s_surf_model_description_t * table,
141 XBT_PUBLIC(void) model_help(const char *category,
142 s_surf_model_description_t * table);
144 /** @ingroup SURF_interface
145 * @brief Action states
150 SURF_ACTION_READY = 0, /**< Ready */
151 SURF_ACTION_RUNNING, /**< Running */
152 SURF_ACTION_FAILED, /**< Task Failure */
153 SURF_ACTION_DONE, /**< Completed */
154 SURF_ACTION_TO_FREE, /**< Action to free in next cleanup */
155 SURF_ACTION_NOT_IN_THE_SYSTEM /**< Not in the system anymore. Why did you ask ? */
156 } e_surf_action_state_t;
158 /** @ingroup SURF_vm_interface
162 /* FIXME: Where should the VM state be defined? */
164 SURF_VM_STATE_CREATED, /**< created, but not yet started */
165 SURF_VM_STATE_RUNNING,
166 SURF_VM_STATE_SUSPENDED, /**< Suspend/resume does not involve disk I/O, so we assume there is no transition states. */
168 SURF_VM_STATE_SAVING, /**< Save/restore involves disk I/O, so there should be transition states. */
170 SURF_VM_STATE_RESTORING,
173 /***************************/
174 /* Generic model object */
175 /***************************/
177 XBT_PUBLIC_DATA(routing_platf_t) routing_platf;
179 static inline surf_host_t surf_host_resource_priv(const void *host){
180 return (surf_host_t) xbt_lib_get_level((xbt_dictelm_t)host, SURF_HOST_LEVEL);
182 static inline void *surf_storage_resource_priv(const void *storage){
183 return (void*)xbt_lib_get_level((xbt_dictelm_t)storage, SURF_STORAGE_LEVEL);
186 static inline void *surf_storage_resource_by_name(const char *name){
187 return xbt_lib_get_elm_or_null(storage_lib, name);
190 XBT_PUBLIC(void *) surf_as_cluster_get_backbone(AS_t as);
191 XBT_PUBLIC(void) surf_as_cluster_set_backbone(AS_t as, void* backbone);
193 /** @{ @ingroup SURF_c_bindings */
196 * @brief Pop an action from the done actions set
198 * @param model The model from which the action is extracted
199 * @return An action in done state
201 XBT_PUBLIC(surf_action_t) surf_model_extract_done_action_set(surf_model_t model);
204 * @brief Pop an action from the failed actions set
206 * @param model The model from which the action is extracted
207 * @return An action in failed state
209 XBT_PUBLIC(surf_action_t) surf_model_extract_failed_action_set(surf_model_t model);
212 * @brief Pop an action from the ready actions set
214 * @param model The model from which the action is extracted
215 * @return An action in ready state
217 XBT_PUBLIC(surf_action_t) surf_model_extract_ready_action_set(surf_model_t model);
220 * @brief Pop an action from the running actions set
222 * @param model The model from which the action is extracted
223 * @return An action in running state
225 XBT_PUBLIC(surf_action_t) surf_model_extract_running_action_set(surf_model_t model);
228 * @brief Get the size of the running action set of a model
230 * @param model The model
231 * @return The size of the running action set
233 XBT_PUBLIC(int) surf_model_running_action_set_size(surf_model_t model);
236 * @brief Execute a parallel task
237 * @details [long description]
239 * @param model The model which handle the parallelisation
240 * @param host_nb The number of hosts
241 * @param host_list The list of hosts on which the task is executed
242 * @param flops_amount The processing amount (in flop) needed to process
243 * @param bytes_amount The amount of data (in bytes) needed to transfer
244 * @param rate [description]
245 * @return The action corresponding to the parallele execution task
247 XBT_PUBLIC(surf_action_t) surf_host_model_execute_parallel_task(surf_host_model_t model,
249 sg_host_t *host_list,
250 double *flops_amount,
251 double *bytes_amount,
254 /** @brief Get the route (dynar of sg_link_t) between two hosts */
255 XBT_PUBLIC(xbt_dynar_t) surf_host_model_get_route(surf_host_model_t model, surf_resource_t src, surf_resource_t dst);
257 /** @brief Create a new VM on the specified host */
258 XBT_PUBLIC(void) surf_vm_model_create(const char *name, surf_resource_t host_PM);
260 /** @brief Create a communication between two hosts
262 * @param model The model which handle the communication
263 * @param src The source host
264 * @param dst The destination host
265 * @param size The amount of data (in bytes) needed to transfer
266 * @param rate [description]
267 * @return The action corresponding to the communication
269 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);
272 * @brief Get the name of a surf resource (cpu, host, network, …)
274 * @param resource The surf resource
275 * @return The name of the surf resource
277 XBT_PUBLIC(const char * ) surf_resource_name(surf_cpp_resource_t resource);
278 static inline const char * surf_cpu_name(surf_cpu_t cpu) {
279 return surf_resource_name((surf_cpp_resource_t)cpu);
282 /** @brief Get the properties of a surf resource (cpu, host, network, …) */
283 XBT_PUBLIC(xbt_dict_t) surf_resource_get_properties(surf_cpp_resource_t resource);
284 static XBT_INLINE xbt_dict_t surf_host_get_properties(surf_host_t host) {
285 return surf_resource_get_properties((surf_cpp_resource_t)host);
289 /** @brief Get the state of a surf resource (cpu, host, network, …) */
290 XBT_PUBLIC(e_surf_resource_state_t) surf_resource_get_state(surf_cpp_resource_t resource);
292 static XBT_INLINE e_surf_resource_state_t surf_host_get_state(surf_host_t host) {
293 return surf_resource_get_state((surf_cpp_resource_t)host);
297 /** @brief Set the state of a surf resource (cpu, host, network, …) */
298 XBT_PUBLIC(void) surf_resource_set_state(surf_cpp_resource_t resource, e_surf_resource_state_t state);
299 static inline void surf_host_set_state(surf_host_t host, e_surf_resource_state_t state) {
300 surf_resource_set_state((surf_cpp_resource_t)host, state);
303 /** @brief Get the speed of the cpu associated to a host */
304 XBT_PUBLIC(double) surf_host_get_speed(surf_resource_t resource, double load);
306 /** @brief Get the available speed of cpu associated to a host */
307 XBT_PUBLIC(double) surf_host_get_available_speed(surf_resource_t host);
309 /** @brief Get the number of cores of the cpu associated to a host */
310 XBT_PUBLIC(int) surf_host_get_core(surf_resource_t host);
312 /** @brief Create a computation action on the given host */
313 XBT_PUBLIC(surf_action_t) surf_host_execute(surf_resource_t host, double size);
315 /** @brief Create a sleep action on the given host */
316 XBT_PUBLIC(surf_action_t) surf_host_sleep(surf_resource_t host, double duration);
318 /** @brief Create a file opening action on the given host */
319 XBT_PUBLIC(surf_action_t) surf_host_open(surf_resource_t host, const char* fullpath);
321 /** @brief Create a file closing action on the given host */
322 XBT_PUBLIC(surf_action_t) surf_host_close(surf_resource_t host, surf_file_t fd);
324 /** @brief Create a file reading action on the given host */
325 XBT_PUBLIC(surf_action_t) surf_host_read(surf_resource_t host, surf_file_t fd, sg_size_t size);
327 /** @brief Create a file writing action on the given host */
328 XBT_PUBLIC(surf_action_t) surf_host_write(surf_resource_t host, surf_file_t fd, sg_size_t size);
331 * @brief Get the informations of a file descriptor
332 * @details The returned xbt_dynar_t contains:
333 * - the size of the file,
335 * - the storage name,
336 * - the storage typeId,
337 * - the storage content type
339 * @param host The surf host
340 * @param fd The file descriptor
341 * @return An xbt_dynar_t with the file informations
343 XBT_PUBLIC(xbt_dynar_t) surf_host_get_info(surf_resource_t host, surf_file_t fd);
346 * @brief Get the available space of the storage at the mount point
348 * @param resource The surf host
349 * @param name The mount point
350 * @return The amount of available space in bytes
352 XBT_PUBLIC(sg_size_t) surf_host_get_free_size(surf_resource_t resource, const char* name);
355 * @brief Get the used space of the storage at the mount point
357 * @param resource The surf host
358 * @param name The mount point
359 * @return The amount of used space in bytes
361 XBT_PUBLIC(sg_size_t) surf_host_get_used_size(surf_resource_t resource, const char* name);
363 /** @brief Get the list of VMs hosted on the host */
364 XBT_PUBLIC(xbt_dynar_t) surf_host_get_vms(surf_resource_t resource);
366 /** @brief Retrieve the params of that VM
367 * @details You can use fields ramsize and overcommit on a PM, too.
369 XBT_PUBLIC(void) surf_host_get_params(surf_resource_t resource, vm_params_t params);
371 /** @brief Sets the params of that VM/PM
372 * @details You can use fields ramsize and overcommit on a PM, too.
374 XBT_PUBLIC(void) surf_host_set_params(surf_resource_t resource, vm_params_t params);
377 * @brief Destroy a VM
379 * @param resource The surf vm
381 XBT_PUBLIC(void) surf_vm_destroy(surf_resource_t resource);
383 /** @brief Suspend a VM */
384 XBT_PUBLIC(void) surf_vm_suspend(surf_resource_t resource);
386 /** @brief Resume a VM */
387 XBT_PUBLIC(void) surf_vm_resume(surf_resource_t resource);
390 * @brief Save the VM (Not yet implemented)
392 * @param resource The surf vm
394 XBT_PUBLIC(void) surf_vm_save(surf_resource_t resource);
397 * @brief Restore the VM (Not yet implemented)
399 * @param resource The surf vm
401 XBT_PUBLIC(void) surf_vm_restore(surf_resource_t resource);
404 * @brief Migrate the VM to the destination host
406 * @param resource The surf vm
407 * @param ind_vm_ws_dest The destination host
409 XBT_PUBLIC(void) surf_vm_migrate(surf_resource_t resource, surf_resource_t ind_vm_ws_dest);
412 * @brief Get the physical machine hosting the VM
414 * @param resource The surf vm
415 * @return The physical machine hosting the VM
417 XBT_PUBLIC(surf_resource_t) surf_vm_get_pm(surf_resource_t resource);
420 * @brief [brief description]
421 * @details [long description]
423 * @param resource [description]
424 * @param bound [description]
426 XBT_PUBLIC(void) surf_vm_set_bound(surf_resource_t resource, double bound);
429 * @brief [brief description]
430 * @details [long description]
432 * @param resource [description]
433 * @param cpu [description]
434 * @param mask [description]
436 XBT_PUBLIC(void) surf_vm_set_affinity(surf_resource_t resource, surf_resource_t cpu, unsigned long mask);
439 * @brief Execute some quantity of computation
441 * @param cpu The surf cpu
442 * @param size The value of the processing amount (in flop) needed to process
443 * @return The surf action corresponding to the processing
445 XBT_PUBLIC(surf_action_t) surf_cpu_execute(surf_resource_t cpu, double size);
448 * @brief Make the cpu sleep for duration (in seconds)
449 * @details [long description]
451 * @param cpu The surf cpu
452 * @param duration The number of seconds to sleep
453 * @return The surf action corresponding to the sleeping
455 XBT_PUBLIC(surf_action_t) surf_cpu_sleep(surf_resource_t cpu, double duration);
458 * @brief Get the host power peak
459 * @details [long description]
461 * @param host The surf host
462 * @return The power peak
464 XBT_PUBLIC(double) surf_host_get_current_power_peak(surf_resource_t host);
467 * @brief [brief description]
468 * @details [long description]
470 * @param host [description]
471 * @param pstate_index [description]
473 * @return [description]
475 XBT_PUBLIC(double) surf_host_get_power_peak_at(surf_resource_t host, int pstate_index);
478 * @brief [brief description]
479 * @details [long description]
481 * @param host [description]
482 * @return [description]
484 XBT_PUBLIC(int) surf_host_get_nb_pstates(surf_resource_t host);
486 XBT_PUBLIC(void) surf_host_set_pstate(surf_resource_t host, int pstate_index);
487 XBT_PUBLIC(int) surf_host_get_pstate(surf_resource_t host);
488 XBT_PUBLIC(double) surf_host_get_wattmin_at(surf_resource_t resource, int pstate);
489 XBT_PUBLIC(double) surf_host_get_wattmax_at(surf_resource_t resource, int pstate);
492 * @brief Get the consumed energy (in joules) of an host
494 * @param host The surf host
495 * @return The consumed energy
497 XBT_PUBLIC(double) surf_host_get_consumed_energy(surf_resource_t host);
500 * @brief Get the list of storages mounted on an host
502 * @param host The surf host
503 * @return Dictionary of mount point, Storage
505 XBT_PUBLIC(xbt_dict_t) surf_host_get_mounted_storage_list(surf_resource_t host);
508 * @brief Get the list of storages attached to an host
510 * @param host The surf host
511 * @return Dictionary of storage
513 XBT_PUBLIC(xbt_dynar_t) surf_host_get_attached_storage_list(surf_resource_t host);
516 * @brief Unlink a file descriptor
518 * @param host The surf host
519 * @param fd The file descriptor
521 * @return 0 if failed to unlink, 1 otherwise
523 XBT_PUBLIC(int) surf_host_unlink(surf_resource_t host, surf_file_t fd);
526 * @brief Get the size of a file on a host
528 * @param host The surf host
529 * @param fd The file descriptor
531 * @return The size in bytes of the file
533 XBT_PUBLIC(size_t) surf_host_get_size(surf_resource_t host, surf_file_t fd);
536 * @brief Get the current position of the file descriptor
538 * @param host The surf host
539 * @param fd The file descriptor
540 * @return The current position of the file descriptor
542 XBT_PUBLIC(size_t) surf_host_file_tell(surf_resource_t host, surf_file_t fd);
545 * @brief Move a file to another location on the *same mount point*.
546 * @details [long description]
548 * @param host The surf host
549 * @param fd The file descriptor
550 * @param fullpath The new full path
552 * @return MSG_OK if successful, otherwise MSG_TASK_CANCELED
554 XBT_PUBLIC(int) surf_host_file_move(surf_resource_t host, surf_file_t fd, const char* fullpath);
557 * @brief Set the position indictator assiociated with the file descriptor to a new position
558 * @details [long description]
560 * @param host The surf host
561 * @param fd The file descriptor
562 * @param offset The offset from the origin
563 * @param origin Position used as a reference for the offset
564 * - SEEK_SET: beginning of the file
565 * - SEEK_CUR: current position indicator
566 * - SEEK_END: end of the file
567 * @return MSG_OK if successful, otherwise MSG_TASK_CANCELED
569 XBT_PUBLIC(int) surf_host_file_seek(surf_resource_t host,
570 surf_file_t fd, sg_offset_t offset,
574 * @brief Get the content of a storage
576 * @param resource The surf storage
577 * @return A xbt_dict_t with path as keys and size in bytes as values
579 XBT_PUBLIC(xbt_dict_t) surf_storage_get_content(surf_resource_t resource);
582 * @brief Get the size in bytes of a storage
584 * @param resource The surf storage
585 * @return The size in bytes of the storage
587 XBT_PUBLIC(sg_size_t) surf_storage_get_size(surf_resource_t resource);
590 * @brief Get the available size in bytes of a storage
592 * @param resource The surf storage
593 * @return The available size in bytes of the storage
595 XBT_PUBLIC(sg_size_t) surf_storage_get_free_size(surf_resource_t resource);
598 * @brief Get the size in bytes of a storage
600 * @param resource The surf storage
601 * @return The used size in bytes of the storage
603 XBT_PUBLIC(sg_size_t) surf_storage_get_used_size(surf_resource_t resource);
607 * @brief Get the data associated to the action
609 * @param action The surf action
610 * @return The data associated to the action
612 XBT_PUBLIC(void*) surf_action_get_data(surf_action_t action);
615 * @brief Set the data associated to the action
616 * @details [long description]
618 * @param action The surf action
619 * @param data The new data associated to the action
621 XBT_PUBLIC(void) surf_action_set_data(surf_action_t action, void *data);
624 * @brief Unreference an action
626 * @param action The surf action
628 XBT_PUBLIC(void) surf_action_unref(surf_action_t action);
631 * @brief Get the start time of an action
633 * @param action The surf action
634 * @return The start time in seconds from the beginning of the simulation
636 XBT_PUBLIC(double) surf_action_get_start_time(surf_action_t action);
639 * @brief Get the finish time of an action
641 * @param action The surf action
642 * @return The finish time in seconds from the beginning of the simulation
644 XBT_PUBLIC(double) surf_action_get_finish_time(surf_action_t action);
647 * @brief Get the remains amount of work to do of an action
649 * @param action The surf action
650 * @return The remains amount of work to do
652 XBT_PUBLIC(double) surf_action_get_remains(surf_action_t action);
655 * @brief Suspend an action
657 * @param action The surf action
659 XBT_PUBLIC(void) surf_action_suspend(surf_action_t action);
662 * @brief Resume an action
664 * @param action The surf action
666 XBT_PUBLIC(void) surf_action_resume(surf_action_t action);
669 * @brief Cancel an action
671 * @param action The surf action
673 XBT_PUBLIC(void) surf_action_cancel(surf_action_t action);
676 * @brief Set the priority of an action
677 * @details [long description]
679 * @param action The surf action
680 * @param priority The new priority [TODO]
682 XBT_PUBLIC(void) surf_action_set_priority(surf_action_t action, double priority);
685 * @brief Set the category of an action
686 * @details [long description]
688 * @param action The surf action
689 * @param category The new category of the action
691 XBT_PUBLIC(void) surf_action_set_category(surf_action_t action, const char *category);
694 * @brief Get the state of an action
696 * @param action The surf action
697 * @return The state of the action
699 XBT_PUBLIC(e_surf_action_state_t) surf_action_get_state(surf_action_t action);
702 * @brief Get the cost of an action
704 * @param action The surf action
705 * @return The cost of the action
707 XBT_PUBLIC(double) surf_action_get_cost(surf_action_t action);
710 * @brief [brief desrciption]
711 * @details [long description]
713 * @param action The surf cpu action
714 * @param cpu [description]
715 * @param mask [description]
717 XBT_PUBLIC(void) surf_cpu_action_set_affinity(surf_action_t action, surf_resource_t cpu, unsigned long mask);
720 * @brief [brief description]
721 * @details [long description]
723 * @param action The surf cpu action
724 * @param bound [description]
726 XBT_PUBLIC(void) surf_cpu_action_set_bound(surf_action_t action, double bound);
729 * @brief [brief description]
730 * @details [long description]
732 * @param action The surf network action
734 XBT_PUBLIC(double) surf_network_action_get_latency_limited(surf_action_t action);
737 * @brief Get the file associated to a storage action
739 * @param action The surf storage action
740 * @return The file associated to a storage action
742 XBT_PUBLIC(surf_file_t) surf_storage_action_get_file(surf_action_t action);
745 * @brief Get the result dictionary of an ls action
747 * @param action The surf storage action
748 * @return The dictionry listing a path
750 XBT_PUBLIC(xbt_dict_t) surf_storage_action_get_ls_dict(surf_action_t action);
754 * @brief Get the host the storage is attached to
756 * @param resource The surf storage
757 * @return The host name
759 XBT_PUBLIC(const char * ) surf_storage_get_host(surf_resource_t resource);
761 XBT_PUBLIC(surf_model_t) surf_resource_model(const void *host, int level);
765 /**************************************/
766 /* Implementations of model object */
767 /**************************************/
769 XBT_PUBLIC_DATA(int) autoload_surf_cpu_model;
770 XBT_PUBLIC_DATA(void_f_void_t) surf_cpu_model_init_preparse;
772 /** \ingroup SURF_models
773 * \brief The CPU model object for the physical machine layer
775 XBT_PUBLIC_DATA(surf_cpu_model_t) surf_cpu_model_pm;
777 /** \ingroup SURF_models
778 * \brief The CPU model object for the virtual machine layer
780 XBT_PUBLIC_DATA(surf_cpu_model_t) surf_cpu_model_vm;
783 /** \ingroup SURF_models
784 * \brief Initializes the CPU model with the model Cas01
786 * By default, this model uses the lazy optimization mechanism that
787 * relies on partial invalidation in LMM and a heap for lazy action update.
788 * You can change this behavior by setting the cpu/optim configuration
789 * variable to a different value.
791 * You shouldn't have to call it by yourself.
793 XBT_PUBLIC(void) surf_cpu_model_init_Cas01(void);
795 /** \ingroup SURF_models
796 * \brief Initializes the CPU model with trace integration [Deprecated]
798 * You shouldn't have to call it by yourself.
800 XBT_PUBLIC(void) surf_cpu_model_init_ti(void);
802 /** \ingroup SURF_models
803 * \brief The list of all available optimization modes (both for cpu and networks).
804 * These optimization modes can be set using --cfg=cpu/optim:... and --cfg=network/optim:...
806 XBT_PUBLIC_DATA(s_surf_model_description_t) surf_optimization_mode_description[];
808 /** \ingroup SURF_plugins
809 * \brief The list of all available surf plugins
811 XBT_PUBLIC_DATA(s_surf_model_description_t) surf_plugin_description[];
813 /** \ingroup SURF_models
814 * \brief The list of all available cpu model models
816 XBT_PUBLIC_DATA(s_surf_model_description_t) surf_cpu_model_description[];
818 /**\brief create new host bypass the parser
823 /** \ingroup SURF_models
824 * \brief The network model
826 * When creating a new API on top on SURF, you shouldn't use the
827 * network model unless you know what you are doing. Only the host
828 * model should be accessed because depending on the platform model,
829 * the network model can be NULL.
831 XBT_PUBLIC_DATA(surf_network_model_t) surf_network_model;
833 /** \ingroup SURF_models
834 * \brief Same as network model 'LagrangeVelho', only with different correction factors.
836 * This model is proposed by Pierre-Nicolas Clauss and Martin Quinson and Stéphane Génaud
837 * based on the model 'LV08' and different correction factors depending on the communication
838 * size (< 1KiB, < 64KiB, >= 64KiB).
839 * See comments in the code for more information.
841 * \see surf_host_model_init_SMPI()
843 XBT_PUBLIC(void) surf_network_model_init_SMPI(void);
845 /** \ingroup SURF_models
846 * \brief Same as network model 'LagrangeVelho', only with different correction factors.
848 * This model impelments a variant of the contention model on Infinband networks based on
849 * the works of Jérôme Vienne : http://mescal.imag.fr/membres/jean-marc.vincent/index.html/PhD/Vienne.pdf
851 * \see surf_host_model_init_IB()
853 XBT_PUBLIC(void) surf_network_model_init_IB(void);
855 /** \ingroup SURF_models
856 * \brief Initializes the platform with the network model 'LegrandVelho'
858 * This model is proposed by Arnaud Legrand and Pedro Velho based on
859 * the results obtained with the GTNets simulator for onelink and
860 * dogbone sharing scenarios. See comments in the code for more information.
862 * \see surf_host_model_init_LegrandVelho()
864 XBT_PUBLIC(void) surf_network_model_init_LegrandVelho(void);
866 /** \ingroup SURF_models
867 * \brief Initializes the platform with the network model 'Constant'
869 * In this model, the communication time between two network cards is
870 * constant, hence no need for a routing table. This is particularly
871 * usefull when simulating huge distributed algorithms where
872 * scalability is really an issue. This function is called in
873 * conjunction with surf_host_model_init_compound.
875 * \see surf_host_model_init_compound()
877 XBT_PUBLIC(void) surf_network_model_init_Constant(void);
879 /** \ingroup SURF_models
880 * \brief Initializes the platform with the network model CM02
882 * You sould call this function by yourself only if you plan using
883 * surf_host_model_init_compound.
884 * See comments in the code for more information.
886 XBT_PUBLIC(void) surf_network_model_init_CM02(void);
889 /** \ingroup SURF_models
890 * \brief Initializes the platform with the network model NS3
892 * This function is called by surf_host_model_init_NS3
893 * or by yourself only if you plan using surf_host_model_init_compound
895 * \see surf_host_model_init_NS3()
897 XBT_PUBLIC(void) surf_network_model_init_NS3(void);
900 /** \ingroup SURF_models
901 * \brief Initializes the platform with the network model Reno
903 * The problem is related to max( sum( arctan(C * Df * xi) ) ).
906 * [LOW03] S. H. Low. A duality model of TCP and queue management algorithms.
907 * IEEE/ACM Transaction on Networking, 11(4):525-536, 2003.
909 * Call this function only if you plan using surf_host_model_init_compound.
912 XBT_PUBLIC(void) surf_network_model_init_Reno(void);
914 /** \ingroup SURF_models
915 * \brief Initializes the platform with the network model Reno2
917 * The problem is related to max( sum( arctan(C * Df * xi) ) ).
920 * [LOW01] S. H. Low. A duality model of TCP and queue management algorithms.
921 * IEEE/ACM Transaction on Networking, 11(4):525-536, 2003.
923 * Call this function only if you plan using surf_host_model_init_compound.
926 XBT_PUBLIC(void) surf_network_model_init_Reno2(void);
928 /** \ingroup SURF_models
929 * \brief Initializes the platform with the network model Vegas
931 * This problem is related to max( sum( a * Df * ln(xi) ) ) which is equivalent
932 * to the proportional fairness.
935 * [LOW03] S. H. Low. A duality model of TCP and queue management algorithms.
936 * IEEE/ACM Transaction on Networking, 11(4):525-536, 2003.
938 * Call this function only if you plan using surf_host_model_init_compound.
941 XBT_PUBLIC(void) surf_network_model_init_Vegas(void);
943 /** \ingroup SURF_models
944 * \brief The list of all available network model models
946 XBT_PUBLIC_DATA(s_surf_model_description_t)
947 surf_network_model_description[];
949 /** \ingroup SURF_models
950 * \brief The storage model
952 XBT_PUBLIC(void) surf_storage_model_init_default(void);
954 /** \ingroup SURF_models
955 * \brief The list of all available storage modes.
956 * This storage mode can be set using --cfg=storage/model:...
958 XBT_PUBLIC_DATA(s_surf_model_description_t) surf_storage_model_description[];
960 XBT_PUBLIC_DATA(surf_storage_model_t) surf_storage_model;
962 /** \ingroup SURF_models
963 * \brief The host model
965 * Note that when you create an API on top of SURF,
966 * the host model should be the only one you use
967 * because depending on the platform model, the network model and the CPU model
970 XBT_PUBLIC_DATA(surf_host_model_t) surf_host_model;
972 /** \ingroup SURF_models
973 * \brief The vm model
975 * Note that when you create an API on top of SURF,
976 * the vm model should be the only one you use
977 * because depending on the platform model, the network model and the CPU model
980 XBT_PUBLIC_DATA(surf_vm_model_t) surf_vm_model;
982 /** \ingroup SURF_models
983 * \brief Initializes the platform with a compound host model
985 * This function should be called after a cpu_model and a
986 * network_model have been set up.
989 XBT_PUBLIC(void) surf_host_model_init_compound(void);
991 /** \ingroup SURF_models
992 * \brief Initializes the platform with the current best network and cpu models at hand
994 * This platform model separates the host model and the network model.
995 * The host model will be initialized with the model compound, the network
996 * model with the model LV08 (with cross traffic support) and the CPU model with
998 * Such model is subject to modification with warning in the ChangeLog so monitor it!
1001 XBT_PUBLIC(void) surf_host_model_init_current_default(void);
1003 /** \ingroup SURF_models
1004 * \brief Initializes the platform with the model L07
1006 * With this model, only parallel tasks can be used. Resource sharing
1007 * is done by identifying bottlenecks and giving an equal share of
1008 * the model to each action.
1011 XBT_PUBLIC(void) surf_host_model_init_ptask_L07(void);
1013 /** \ingroup SURF_models
1014 * \brief The list of all available host model models
1016 XBT_PUBLIC_DATA(s_surf_model_description_t)
1017 surf_host_model_description[];
1019 /** \ingroup SURF_models
1020 * \brief Initializes the platform with the current best network and cpu models at hand
1022 * This platform model seperates the host model and the network model.
1023 * The host model will be initialized with the model compound, the network
1024 * model with the model LV08 (with cross traffic support) and the CPU model with
1026 * Such model is subject to modification with warning in the ChangeLog so monitor it!
1029 XBT_PUBLIC(void) surf_vm_model_init_HL13(void);
1031 /** \ingroup SURF_models
1032 * \brief The list of all available vm model models
1034 XBT_PUBLIC_DATA(s_surf_model_description_t)
1035 surf_vm_model_description[];
1037 /*******************************************/
1039 /** \ingroup SURF_models
1040 * \brief List of initialized models
1042 XBT_PUBLIC_DATA(xbt_dynar_t) model_list;
1043 XBT_PUBLIC_DATA(xbt_dynar_t) model_list_invoke;
1045 /** \ingroup SURF_simulation
1046 * \brief List of hosts that have juste restarted and whose autorestart process should be restarted.
1048 XBT_PUBLIC_DATA(xbt_dynar_t) host_that_restart;
1050 /** \ingroup SURF_simulation
1051 * \brief List of hosts for which one want to be notified if they ever restart.
1053 XBT_PUBLIC_DATA(xbt_dict_t) watched_hosts_lib;
1055 /*******************************************/
1056 /*** SURF Platform *************************/
1057 /*******************************************/
1058 XBT_PUBLIC_DATA(AS_t) surf_AS_get_routing_root(void);
1059 XBT_PUBLIC_DATA(const char *) surf_AS_get_name(AS_t as);
1060 XBT_PUBLIC_DATA(AS_t) surf_AS_get_by_name(const char * name);
1061 XBT_PUBLIC_DATA(xbt_dict_t) surf_AS_get_routing_sons(AS_t as);
1062 XBT_PUBLIC_DATA(const char *) surf_AS_get_model(AS_t as);
1063 XBT_PUBLIC_DATA(xbt_dynar_t) surf_AS_get_hosts(AS_t as);
1064 XBT_PUBLIC_DATA(void) surf_AS_get_graph(AS_t as, xbt_graph_t graph, xbt_dict_t nodes, xbt_dict_t edges);
1065 XBT_PUBLIC_DATA(AS_t) surf_platf_get_root(routing_platf_t platf);
1066 XBT_PUBLIC_DATA(e_surf_network_element_type_t) surf_routing_edge_get_rc_type(sg_routing_edge_t edge);
1068 /*******************************************/
1069 /*** SURF Globals **************************/
1070 /*******************************************/
1072 /** \ingroup SURF_simulation
1073 * \brief Initialize SURF
1074 * \param argc argument number
1075 * \param argv arguments
1077 * This function has to be called to initialize the common
1078 * structures. Then you will have to create the environment by
1080 * e.g. surf_host_model_init_CM02()
1082 * \see surf_host_model_init_CM02(), surf_host_model_init_compound(), surf_exit()
1084 XBT_PUBLIC(void) surf_init(int *argc, char **argv); /* initialize common structures */
1086 /** \ingroup SURF_simulation
1087 * \brief Finish simulation initialization
1089 * This function must be called before the first call to surf_solve()
1091 XBT_PUBLIC(void) surf_presolve(void);
1093 /** \ingroup SURF_simulation
1094 * \brief Performs a part of the simulation
1095 * \param max_date Maximum date to update the simulation to, or -1
1096 * \return the elapsed time, or -1.0 if no event could be executed
1098 * This function execute all possible events, update the action states
1099 * and returns the time elapsed.
1100 * When you call execute or communicate on a model, the corresponding actions
1101 * are not executed immediately but only when you call surf_solve.
1102 * Note that the returned elapsed time can be zero.
1104 XBT_PUBLIC(double) surf_solve(double max_date);
1106 /** \ingroup SURF_simulation
1107 * \brief Return the current time
1109 * Return the current time in millisecond.
1111 XBT_PUBLIC(double) surf_get_clock(void);
1113 /** \ingroup SURF_simulation
1120 XBT_PUBLIC(void) surf_exit(void);
1122 /* Prototypes of the functions that handle the properties */
1123 XBT_PUBLIC_DATA(xbt_dict_t) current_property_set; /* the prop set for the currently parsed element (also used in SIMIX) */
1125 /* The same for model_prop set*/
1126 XBT_PUBLIC_DATA(xbt_dict_t) current_model_property_set;
1128 /* surf parse file related (public because called from a test suite) */
1129 XBT_PUBLIC(void) parse_platform_file(const char *file);
1131 /* For the trace and trace:connect tag (store their content till the end of the parsing) */
1132 XBT_PUBLIC_DATA(xbt_dict_t) traces_set_list;
1133 XBT_PUBLIC_DATA(xbt_dict_t) trace_connect_list_host_avail;
1134 XBT_PUBLIC_DATA(xbt_dict_t) trace_connect_list_power;
1135 XBT_PUBLIC_DATA(xbt_dict_t) trace_connect_list_link_avail;
1136 XBT_PUBLIC_DATA(xbt_dict_t) trace_connect_list_bandwidth;
1137 XBT_PUBLIC_DATA(xbt_dict_t) trace_connect_list_latency;
1140 XBT_PUBLIC(double) get_cpu_power(const char *power);
1142 XBT_PUBLIC(xbt_dict_t) get_as_router_properties(const char* name);
1144 int surf_get_nthreads(void);
1145 void surf_set_nthreads(int nthreads);
1148 * Returns the initial path. On Windows the initial path is
1149 * the current directory for the current process in the other
1150 * case the function returns "./" that represents the current
1151 * directory on Unix/Linux platforms.
1153 const char *__surf_get_initial_path(void);
1155 /********** Tracing **********/
1156 /* from surf_instr.c */
1157 void TRACE_surf_action(surf_action_t surf_action, const char *category);
1158 void TRACE_surf_alloc(void);
1159 void TRACE_surf_release(void);
1161 /* instr_routing.c */
1162 void instr_routing_define_callbacks (void);
1163 void instr_new_variable_type (const char *new_typename, const char *color);
1164 void instr_new_user_variable_type (const char *father_type, const char *new_typename, const char *color);
1165 void instr_new_user_state_type (const char *father_type, const char *new_typename);
1166 void instr_new_value_for_user_state_type (const char *_typename, const char *value, const char *color);
1167 int instr_platform_traced (void);
1168 xbt_graph_t instr_routing_platform_graph (void);
1169 void instr_routing_platform_graph_export_graphviz (xbt_graph_t g, const char *filename);
1172 #endif /* _SURF_SURF_H */