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;
50 class WorkstationModel;
51 class WorkstationVMModel;
56 class WorkstationCLM03;
57 class NetworkCm02Link;
61 class StorageActionLmm;
66 typedef struct Model Model;
67 typedef struct CpuModel CpuModel;
68 typedef struct WorkstationModel WorkstationModel;
69 typedef struct WorkstationVMModel WorkstationVMModel;
70 typedef struct NetworkModel NetworkModel;
71 typedef struct StorageModel StorageModel;
72 typedef struct Resource Resource;
73 typedef struct ResourceLmm ResourceLmm;
74 typedef struct WorkstationCLM03 WorkstationCLM03;
75 typedef struct NetworkCm02Link NetworkCm02Link;
76 typedef struct Cpu Cpu;
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 workstations,
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 WorkstationModel *surf_workstation_model_t;
94 typedef WorkstationVMModel *surf_vm_workstation_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 WorkstationCLM03 *surf_workstation_CLM03_t;
102 typedef NetworkCm02Link *surf_network_link_t;
103 typedef Cpu *surf_cpu_t;
105 /** @ingroup SURF_c_bindings
106 * \brief Action structure
108 * Never create s_surf_action_t by yourself ! The actions are created
109 * on the fly when you call execute or communicate on a model.
111 * \see e_surf_action_state_t
113 typedef Action *surf_action_t;
116 typedef RoutingEdge *routing_edge_t;
117 typedef RoutingPlatf *routing_platf_t;
119 typedef struct surf_file *surf_file_t;
121 XBT_PUBLIC(e_surf_network_element_type_t)
122 routing_get_network_element_type(const char* name);
124 /** @Brief Specify that we use that action */
125 XBT_PUBLIC(void) surf_action_ref(surf_action_t action);
127 /** @brief Creates a new action.
129 * @param size The size is the one of the subtype you want to create
130 * @param cost initial value
131 * @param model to which model we should attach this action
132 * @param failed whether we should start this action in failed mode
134 XBT_PUBLIC(void *) surf_action_new(size_t size, double cost,
135 surf_model_t model, int failed);
137 /** \brief Resource model description
139 typedef struct surf_model_description {
141 const char *description;
142 void_f_void_t model_init_preparse;
143 } s_surf_model_description_t, *surf_model_description_t;
145 XBT_PUBLIC(int) find_model_description(s_surf_model_description_t * table,
147 XBT_PUBLIC(void) model_help(const char *category,
148 s_surf_model_description_t * table);
150 /** @ingroup SURF_interface
151 * @brief Action states
158 SURF_ACTION_READY = 0, /**< Ready */
159 SURF_ACTION_RUNNING, /**< Running */
160 SURF_ACTION_FAILED, /**< Task Failure */
161 SURF_ACTION_DONE, /**< Completed */
162 SURF_ACTION_TO_FREE, /**< Action to free in next cleanup */
163 SURF_ACTION_NOT_IN_THE_SYSTEM
164 /**< Not in the system anymore. Why did you ask ? */
165 } e_surf_action_state_t;
167 /** @ingroup SURF_vm_interface
171 /* FIXME: Where should the VM state be defined? */
173 SURF_VM_STATE_CREATED, /**< created, but not yet started */
175 SURF_VM_STATE_RUNNING,
176 SURF_VM_STATE_MIGRATING,
178 SURF_VM_STATE_SUSPENDED, /**< Suspend/resume does not involve disk I/O, so we assume there is no transition states. */
180 SURF_VM_STATE_SAVING, /**< Save/restore involves disk I/O, so there should be transition states. */
182 SURF_VM_STATE_RESTORING,
186 /***************************/
187 /* Generic model object */
188 /***************************/
190 //FIXME:REMOVE typedef struct s_routing_platf s_routing_platf_t, *routing_platf_t;
191 XBT_PUBLIC_DATA(routing_platf_t) routing_platf;
193 static inline void *surf_cpu_resource_priv(const void *host) {
194 return xbt_lib_get_level((xbt_dictelm_t)host, SURF_CPU_LEVEL);
196 static inline void *surf_workstation_resource_priv(const void *host){
197 return (void*)xbt_lib_get_level((xbt_dictelm_t)host, SURF_WKS_LEVEL);
199 static inline void *surf_storage_resource_priv(const void *storage){
200 return (void*)xbt_lib_get_level((xbt_dictelm_t)storage, SURF_STORAGE_LEVEL);
203 static inline void *surf_cpu_resource_by_name(const char *name) {
204 return xbt_lib_get_elm_or_null(host_lib, name);
206 static inline void *surf_workstation_resource_by_name(const char *name){
207 return xbt_lib_get_elm_or_null(host_lib, name);
209 static inline void *surf_storage_resource_by_name(const char *name){
210 return xbt_lib_get_elm_or_null(storage_lib, name);
214 XBT_PUBLIC(char *) surf_routing_edge_name(sg_routing_edge_t edge);
215 XBT_PUBLIC(void *) surf_as_cluster_get_backbone(AS_t as);
216 XBT_PUBLIC(void) surf_as_cluster_set_backbone(AS_t as, void* backbone);
218 /** @{ @ingroup SURF_c_bindings */
221 * @brief Get the name of a surf model
223 * @param model A model
224 * @return The name of the model
226 XBT_PUBLIC(const char *) surf_model_name(surf_model_t model);
229 * @brief Pop an action from the done actions set
231 * @param model The model from which the action is extracted
232 * @return An action in done state
234 XBT_PUBLIC(surf_action_t) surf_model_extract_done_action_set(surf_model_t model);
237 * @brief Pop an action from the failed actions set
239 * @param model The model from which the action is extracted
240 * @return An action in failed state
242 XBT_PUBLIC(surf_action_t) surf_model_extract_failed_action_set(surf_model_t model);
245 * @brief Pop an action from the ready actions set
247 * @param model The model from which the action is extracted
248 * @return An action in ready state
250 XBT_PUBLIC(surf_action_t) surf_model_extract_ready_action_set(surf_model_t model);
253 * @brief Pop an action from the running actions set
255 * @param model The model from which the action is extracted
256 * @return An action in running state
258 XBT_PUBLIC(surf_action_t) surf_model_extract_running_action_set(surf_model_t model);
261 * @brief Get the size of the running action set of a model
263 * @param model The model
264 * @return The size of the running action set
266 XBT_PUBLIC(int) surf_model_running_action_set_size(surf_model_t model);
269 * @brief Execute a parallel task
270 * @details [long description]
272 * @param model The model which handle the parallelisation
273 * @param workstation_nb The number of workstations
274 * @param workstation_list The list of workstations on which the task is executed
275 * @param computation_amount The processing amount (in flop) needed to process
276 * @param communication_amount The amount of data (in bytes) needed to transfer
277 * @param rate [description]
278 * @return The action corresponding to the parallele execution task
280 XBT_PUBLIC(surf_action_t) surf_workstation_model_execute_parallel_task(surf_workstation_model_t model,
282 void **workstation_list,
283 double *computation_amount,
284 double *communication_amount,
288 * @brief Create a communication between two hosts
290 * @param model The model which handle the communication
291 * @param src The source host
292 * @param dst The destination host
293 * @param size The amount of data (in bytes) needed to transfer
294 * @param rate [description]
295 * @return The action corresponding to the communication
297 XBT_PUBLIC(surf_action_t) surf_workstation_model_communicate(surf_workstation_model_t model, surf_resource_t src, surf_resource_t dst, double size, double rate);
300 * @brief Get the route between two hosts
301 * @details [long description]
303 * @param model The model which handle the routes
304 * @param src The source host
305 * @param dst The destination host
306 * @return The list of [TODO] from the source to the host
308 XBT_PUBLIC(xbt_dynar_t) surf_workstation_model_get_route(surf_workstation_model_t model, surf_resource_t src, surf_resource_t dst);
311 * @brief Create a new VM on the specified host
313 * @param name The name of the workstation
314 * @param ind_phys_host The host on which the VM is created
316 XBT_PUBLIC(void) surf_vm_workstation_model_create(const char *name, surf_resource_t ind_phys_host);
319 * @brief Create a communication between two routing edges [TODO]
320 * @details [long description]
322 * @param model The model which handle the communication
323 * @param src The source host
324 * @param dst The destination host
325 * @param size The amount of data (in bytes) needed to transfer
326 * @param rate [description]
327 * @return The action corresponding to the communication
329 XBT_PUBLIC(surf_action_t) surf_network_model_communicate(surf_network_model_t model, sg_routing_edge_t src, sg_routing_edge_t dst, double size, double rate);
332 * @brief Get the name of a surf resource (cpu, workstation, network, …)
334 * @param resource The surf resource
335 * @return The name of the surf resource
337 XBT_PUBLIC(const char * ) surf_resource_name(surf_cpp_resource_t resource);
340 * @brief Get the properties of a surf resource (cpu, workstation, network, …)
342 * @param resource The surf resource
343 * @return The properties of the surf resource
345 XBT_PUBLIC(xbt_dict_t) surf_resource_get_properties(surf_cpp_resource_t resource);
348 * @brief Get the state of a surf resource (cpu, workstation, network, …)
350 * @param resource The surf resource
351 * @return The state of the surf resource
353 XBT_PUBLIC(e_surf_resource_state_t) surf_resource_get_state(surf_cpp_resource_t resource);
356 * @brief Set the state of a surf resource (cpu, workstation, network, …)
358 * @param resource The surf resource
359 * @param state The new state of the surf resource
361 XBT_PUBLIC(void) surf_resource_set_state(surf_cpp_resource_t resource, e_surf_resource_state_t state);
364 * @brief Get the speed of the cpu associtated to a workstation
366 * @param resource The surf workstation
367 * @param load [description]
369 * @return [description]
371 XBT_PUBLIC(double) surf_workstation_get_speed(surf_resource_t resource, double load);
374 * @brief Get the available speed of cpu associtated to a workstation
376 * @param resource The surf workstation
377 * @return [description]
379 XBT_PUBLIC(double) surf_workstation_get_available_speed(surf_resource_t resource);
382 * @brief Get the number of cores of the cpu associated to a workstation
384 * @param resource The surf workstation
385 * @return The number of cores
387 XBT_PUBLIC(int) surf_workstation_get_core(surf_resource_t resource);
390 * @brief Execute some quantity of computation
392 * @param resource The surf workstation
393 * @param size The value of the processing amount (in flop) needed to process
395 * @return The surf action corresponding to the processing
397 XBT_PUBLIC(surf_action_t) surf_workstation_execute(surf_resource_t resource, double size);
400 * @brief Make the workstation sleep
402 * @param resource The surf workstation
403 * @param duration The number of seconds to sleep
404 * @return The surf action corresponding to the sleep
406 XBT_PUBLIC(surf_action_t) surf_workstation_sleep(surf_resource_t resource, double duration);
409 * @brief Open a file on a workstation
411 * @param workstation The surf workstation
412 * @param fullpath The path to the file
413 * @return The surf action corresponding to the openning
415 XBT_PUBLIC(surf_action_t) surf_workstation_open(surf_resource_t workstation, const char* fullpath);
418 * @brief Close a file descriptor on a workstation
420 * @param workstation The surf workstation
421 * @param fd The file descriptor
423 * @return The surf action corresponding to the closing
425 XBT_PUBLIC(surf_action_t) surf_workstation_close(surf_resource_t workstation, surf_file_t fd);
430 * @param resource The surf workstation
431 * @param fd The file descriptor to read
432 * @param size The size in bytes to read
433 * @return The surf action corresponding to the reading
435 XBT_PUBLIC(surf_action_t) surf_workstation_read(surf_resource_t resource, surf_file_t fd, sg_size_t size);
438 * @brief Write a file
440 * @param resource The surf workstation
441 * @param fd The file descriptor to write
442 * @param size The size in bytes to write
443 * @return The surf action corresponding to the writing
445 XBT_PUBLIC(surf_action_t) surf_workstation_write(surf_resource_t resource, surf_file_t fd, sg_size_t size);
448 * @brief Get the informations of a file descriptor
449 * @details The returned xbt_dynar_t contains:
450 * - the size of the file,
452 * - the storage name,
453 * - the storage typeId,
454 * - the storage content type
456 * @param resource The surf workstation
457 * @param fd The file descriptor
458 * @return An xbt_dynar_t with the file informations
460 XBT_PUBLIC(xbt_dynar_t) surf_workstation_get_info(surf_resource_t resource, surf_file_t fd);
463 * @brief Get the available space of the storage at the mount point
465 * @param resource The surf workstation
466 * @param name The mount point
467 * @return The amount of availble space in bytes
469 XBT_PUBLIC(sg_size_t) surf_workstation_get_free_size(surf_resource_t resource, const char* name);
472 * @brief Get the used space of the storage at the mount point
474 * @param resource The surf workstation
475 * @param name The mount point
476 * @return The amount of used space in bytes
478 XBT_PUBLIC(sg_size_t) surf_workstation_get_used_size(surf_resource_t resource, const char* name);
481 * @brief Get the VMs hosted on the workstation
483 * @param resource The surf workstation
484 * @return The list of VMs on the workstation
486 XBT_PUBLIC(xbt_dynar_t) surf_workstation_get_vms(surf_resource_t resource);
489 * @brief [brief description]
490 * @details [long description]
492 * @param resource [description]
493 * @param params [description]
495 XBT_PUBLIC(void) surf_workstation_get_params(surf_resource_t resource, ws_params_t params);
498 * @brief [brief description]
499 * @details [long description]
501 * @param resource [description]
502 * @param params [description]
504 XBT_PUBLIC(void) surf_workstation_set_params(surf_resource_t resource, ws_params_t params);
507 * @brief Destroy a Workstation VM
509 * @param resource The surf workstation vm
511 XBT_PUBLIC(void) surf_vm_workstation_destroy(surf_resource_t resource);
514 * @brief Suspend a Workstation VM
516 * @param resource The surf workstation vm
518 XBT_PUBLIC(void) surf_vm_workstation_suspend(surf_resource_t resource);
521 * @brief Resume a Workstation VM
523 * @param resource The surf workstation vm
525 XBT_PUBLIC(void) surf_vm_workstation_resume(surf_resource_t resource);
528 * @brief Save the Workstation VM (Not yet implemented)
530 * @param resource The surf workstation vm
532 XBT_PUBLIC(void) surf_vm_workstation_save(surf_resource_t resource);
535 * @brief Restore the Workstation VM (Not yet implemented)
537 * @param resource The surf workstation vm
539 XBT_PUBLIC(void) surf_vm_workstation_restore(surf_resource_t resource);
542 * @brief Migrate the VM to the destination host
544 * @param resource The surf workstation vm
545 * @param ind_vm_ws_dest The destination host
547 XBT_PUBLIC(void) surf_vm_workstation_migrate(surf_resource_t resource, surf_resource_t ind_vm_ws_dest);
550 * @brief Get the physical machine hosting the VM
552 * @param resource The surf workstation vm
553 * @return The physical machine hosting the VM
555 XBT_PUBLIC(surf_resource_t) surf_vm_workstation_get_pm(surf_resource_t resource);
558 * @brief [brief description]
559 * @details [long description]
561 * @param resource [description]
562 * @param bound [description]
564 XBT_PUBLIC(void) surf_vm_workstation_set_bound(surf_resource_t resource, double bound);
567 * @brief [brief description]
568 * @details [long description]
570 * @param resource [description]
571 * @param cpu [description]
572 * @param mask [description]
574 XBT_PUBLIC(void) surf_vm_workstation_set_affinity(surf_resource_t resource, surf_resource_t cpu, unsigned long mask);
577 * @brief Execute some quantity of computation
579 * @param cpu The surf cpu
580 * @param size The value of the processing amount (in flop) needed to process
581 * @return The surf action corresponding to the processing
583 XBT_PUBLIC(surf_action_t) surf_cpu_execute(surf_resource_t cpu, double size);
586 * @brief Make the cpu sleep for duration (in seconds)
587 * @details [long description]
589 * @param cpu The surf cpu
590 * @param duration The number of seconds to sleep
591 * @return The surf action corresponding to the sleeping
593 XBT_PUBLIC(surf_action_t) surf_cpu_sleep(surf_resource_t cpu, double duration);
596 * @brief Get the workstation power peak
597 * @details [long description]
599 * @param host The surf workstation
600 * @return The power peak
602 XBT_PUBLIC(double) surf_workstation_get_current_power_peak(surf_resource_t host);
605 * @brief [brief description]
606 * @details [long description]
608 * @param host [description]
609 * @param pstate_index [description]
611 * @return [description]
613 XBT_PUBLIC(double) surf_workstation_get_power_peak_at(surf_resource_t host, int pstate_index);
616 * @brief [brief description]
617 * @details [long description]
619 * @param host [description]
620 * @return [description]
622 XBT_PUBLIC(int) surf_workstation_get_nb_pstates(surf_resource_t host);
625 * @brief [brief description]
626 * @details [long description]
628 * @param host [description]
629 * @param pstate_index [description]
631 XBT_PUBLIC(void) surf_workstation_set_power_peak_at(surf_resource_t host, int pstate_index);
634 * @brief Get the consumed energy (in joules) of a workstation
636 * @param host The surf workstation
637 * @return The consumed energy
639 XBT_PUBLIC(double) surf_workstation_get_consumed_energy(surf_resource_t host);
642 * @brief Get the list of storages mounted on a workstation
644 * @param workstation The surf workstation
645 * @return Dictionary of mount point, Storage
647 XBT_PUBLIC(xbt_dict_t) surf_workstation_get_mounted_storage_list(surf_resource_t workstation);
650 * @brief Get the list of storages attached to a workstation
652 * @param workstation The surf workstation
653 * @return Dictionary of storage
655 XBT_PUBLIC(xbt_dynar_t) surf_workstation_get_attached_storage_list(surf_resource_t workstation);
658 * @brief Unlink a file descriptor
660 * @param workstation The surf workstation
661 * @param fd The file descriptor
663 * @return 0 if failed to unlink, 1 otherwise
665 XBT_PUBLIC(int) surf_workstation_unlink(surf_resource_t workstation, surf_file_t fd);
668 * @brief Get the size of a file on a workstation
670 * @param workstation The surf workstation
671 * @param fd The file descriptor
673 * @return The size in bytes of the file
675 XBT_PUBLIC(size_t) surf_workstation_get_size(surf_resource_t workstation, surf_file_t fd);
678 * @brief Get the current position of the file descriptor
680 * @param workstation The surf workstation
681 * @param fd The file descriptor
682 * @return The current position of the file descriptor
684 XBT_PUBLIC(size_t) surf_workstation_file_tell(surf_resource_t workstation, surf_file_t fd);
687 * @brief Move a file to another location on the *same mount point*.
688 * @details [long description]
690 * @param workstation The surf workstation
691 * @param fd The file descriptor
692 * @param fullpath The new full path
694 * @return MSG_OK if successful, otherwise MSG_TASK_CANCELED
696 XBT_PUBLIC(int) surf_workstation_file_move(surf_resource_t workstation, surf_file_t fd, const char* fullpath);
699 * @brief Set the position indictator assiociated with the file descriptor to a new position
700 * @details [long description]
702 * @param workstation The surf workstation
703 * @param fd The file descriptor
704 * @param offset The offset from the origin
705 * @param origin Position used as a reference for the offset
706 * - SEEK_SET: beginning of the file
707 * - SEEK_CUR: current position indicator
708 * - SEEK_END: end of the file
709 * @return MSG_OK if successful, otherwise MSG_TASK_CANCELED
711 XBT_PUBLIC(int) surf_workstation_file_seek(surf_resource_t workstation, surf_file_t fd, sg_size_t offset, int origin);
714 * @brief [brief description]
715 * @details [long description]
717 * @param link [description]
718 * @return [description]
720 XBT_PUBLIC(int) surf_network_link_is_shared(surf_cpp_resource_t link);
723 * @brief Get the bandwidth of a link in bytes per second
725 * @param link The surf link
726 * @return The bandwidth in bytes per second
728 XBT_PUBLIC(double) surf_network_link_get_bandwidth(surf_cpp_resource_t link);
731 * @brief Get the latency of a link in seconds
733 * @param link The surf link
734 * @return The latency in seconds
736 XBT_PUBLIC(double) surf_network_link_get_latency(surf_cpp_resource_t link);
739 * @brief Get the content of a storage
741 * @param resource The surf storage
742 * @return A xbt_dict_t with path as keys and size in bytes as values
744 XBT_PUBLIC(xbt_dict_t) surf_storage_get_content(surf_resource_t resource);
747 * @brief Get the size in bytes of a storage
749 * @param resource The surf storage
750 * @return The size in bytes of the storage
752 XBT_PUBLIC(sg_size_t) surf_storage_get_size(surf_resource_t resource);
755 * @brief Get the available size in bytes of a storage
757 * @param resource The surf storage
758 * @return The available size in bytes of the storage
760 XBT_PUBLIC(sg_size_t) surf_storage_get_free_size(surf_resource_t resource);
763 * @brief Get the size in bytes of a storage
765 * @param resource The surf storage
766 * @return The used size in bytes of the storage
768 XBT_PUBLIC(sg_size_t) surf_storage_get_used_size(surf_resource_t resource);
772 * @brief Get the data associated to the action
774 * @param action The surf action
775 * @return The data associated to the action
777 XBT_PUBLIC(void*) surf_action_get_data(surf_action_t action);
780 * @brief Set the data associated to the action
781 * @details [long description]
783 * @param action The surf action
784 * @param data The new data associated to the action
786 XBT_PUBLIC(void) surf_action_set_data(surf_action_t action, void *data);
789 * @brief Unreference an action
791 * @param action The surf action
793 XBT_PUBLIC(void) surf_action_unref(surf_action_t action);
796 * @brief Get the start time of an action
798 * @param action The surf action
799 * @return The start time in seconds from the beginning of the simulation
801 XBT_PUBLIC(double) surf_action_get_start_time(surf_action_t action);
804 * @brief Get the finish time of an action
806 * @param action The surf action
807 * @return The finish time in seconds from the beginning of the simulation
809 XBT_PUBLIC(double) surf_action_get_finish_time(surf_action_t action);
812 * @brief Get the remains amount of work to do of an action
814 * @param action The surf action
815 * @return The remains amount of work to do
817 XBT_PUBLIC(double) surf_action_get_remains(surf_action_t action);
820 * @brief Suspend an action
822 * @param action The surf action
824 XBT_PUBLIC(void) surf_action_suspend(surf_action_t action);
827 * @brief Resume an action
829 * @param action The surf action
831 XBT_PUBLIC(void) surf_action_resume(surf_action_t action);
834 * @brief Cancel an action
836 * @param action The surf action
838 XBT_PUBLIC(void) surf_action_cancel(surf_action_t action);
841 * @brief Set the priority of an action
842 * @details [long description]
844 * @param action The surf action
845 * @param priority The new priority [TODO]
847 XBT_PUBLIC(void) surf_action_set_priority(surf_action_t action, double priority);
850 * @brief Set the category of an action
851 * @details [long description]
853 * @param action The surf action
854 * @param category The new category of the action
856 XBT_PUBLIC(void) surf_action_set_category(surf_action_t action, const char *category);
859 * @brief Get the state of an action
861 * @param action The surf action
862 * @return The state of the action
864 XBT_PUBLIC(e_surf_action_state_t) surf_action_get_state(surf_action_t action);
867 * @brief Get the cost of an action
869 * @param action The surf action
870 * @return The cost of the action
872 XBT_PUBLIC(double) surf_action_get_cost(surf_action_t action);
875 * @brief [brief desrciption]
876 * @details [long description]
878 * @param action The surf cpu action
879 * @param cpu [description]
880 * @param mask [description]
882 XBT_PUBLIC(void) surf_cpu_action_set_affinity(surf_action_t action, surf_resource_t cpu, unsigned long mask);
885 * @brief [brief description]
886 * @details [long description]
888 * @param action The surf cpu action
889 * @param bound [description]
891 XBT_PUBLIC(void) surf_cpu_action_set_bound(surf_action_t action, double bound);
894 * @brief [brief description]
895 * @details [long description]
897 * @param action The surf network action
899 XBT_PUBLIC(double) surf_network_action_get_latency_limited(surf_action_t action);
902 * @brief Get the file associated to a storage action
904 * @param action The surf storage action
905 * @return The file associated to a storage action
907 XBT_PUBLIC(surf_file_t) surf_storage_action_get_file(surf_action_t action);
910 * @brief Get the result dictionary of an ls action
912 * @param action The surf storage action
913 * @return The dictionry listing a path
915 XBT_PUBLIC(xbt_dict_t) surf_storage_action_get_ls_dict(surf_action_t action);
919 * @brief Get the host the storage is attached to
921 * @param resource The surf storage
922 * @return The host name
924 XBT_PUBLIC(const char * ) surf_storage_get_host(surf_resource_t resource);
926 XBT_PUBLIC(surf_model_t) surf_resource_model(const void *host, int level);
930 /**************************************/
931 /* Implementations of model object */
932 /**************************************/
934 XBT_PUBLIC_DATA(int) autoload_surf_cpu_model;
935 XBT_PUBLIC_DATA(void_f_void_t) surf_cpu_model_init_preparse;
937 /** \ingroup SURF_models
938 * \brief The CPU model object for the physical machine layer
940 XBT_PUBLIC_DATA(surf_cpu_model_t) surf_cpu_model_pm;
942 /** \ingroup SURF_models
943 * \brief The CPU model object for the virtual machine layer
945 XBT_PUBLIC_DATA(surf_cpu_model_t) surf_cpu_model_vm;
948 /** \ingroup SURF_models
949 * \brief Initializes the CPU model with the model Cas01
951 * By default, this model uses the lazy optimization mechanism that
952 * relies on partial invalidation in LMM and a heap for lazy action update.
953 * You can change this behavior by setting the cpu/optim configuration
954 * variable to a different value.
956 * You shouldn't have to call it by yourself.
958 XBT_PUBLIC(void) surf_cpu_model_init_Cas01(void);
960 /** \ingroup SURF_models
961 * \brief Initializes the CPU model with trace integration [Deprecated]
963 * You shouldn't have to call it by yourself.
965 XBT_PUBLIC(void) surf_cpu_model_init_ti(void);
967 /** \ingroup SURF_models
968 * \brief The list of all available optimization modes (both for cpu and networks).
969 * These optimization modes can be set using --cfg=cpu/optim:... and --cfg=network/optim:...
971 XBT_PUBLIC_DATA(s_surf_model_description_t) surf_optimization_mode_description[];
973 /** \ingroup SURF_plugins
974 * \brief The list of all available surf plugins
976 XBT_PUBLIC_DATA(s_surf_model_description_t) surf_plugin_description[];
978 /** \ingroup SURF_models
979 * \brief The list of all available cpu model models
981 XBT_PUBLIC_DATA(s_surf_model_description_t) surf_cpu_model_description[];
983 /**\brief create new host bypass the parser
988 /** \ingroup SURF_models
989 * \brief The network model
991 * When creating a new API on top on SURF, you shouldn't use the
992 * network model unless you know what you are doing. Only the workstation
993 * model should be accessed because depending on the platform model,
994 * the network model can be NULL.
996 XBT_PUBLIC_DATA(surf_network_model_t) surf_network_model;
998 /** \ingroup SURF_models
999 * \brief Same as network model 'LagrangeVelho', only with different correction factors.
1001 * This model is proposed by Pierre-Nicolas Clauss and Martin Quinson and Stéphane Génaud
1002 * based on the model 'LV08' and different correction factors depending on the communication
1003 * size (< 1KiB, < 64KiB, >= 64KiB).
1004 * See comments in the code for more information.
1006 * \see surf_workstation_model_init_SMPI()
1008 XBT_PUBLIC(void) surf_network_model_init_SMPI(void);
1010 /** \ingroup SURF_models
1011 * \brief Initializes the platform with the network model 'LegrandVelho'
1013 * This model is proposed by Arnaud Legrand and Pedro Velho based on
1014 * the results obtained with the GTNets simulator for onelink and
1015 * dogbone sharing scenarios. See comments in the code for more information.
1017 * \see surf_workstation_model_init_LegrandVelho()
1019 XBT_PUBLIC(void) surf_network_model_init_LegrandVelho(void);
1021 /** \ingroup SURF_models
1022 * \brief Initializes the platform with the network model 'Constant'
1024 * In this model, the communication time between two network cards is
1025 * constant, hence no need for a routing table. This is particularly
1026 * usefull when simulating huge distributed algorithms where
1027 * scalability is really an issue. This function is called in
1028 * conjunction with surf_workstation_model_init_compound.
1030 * \see surf_workstation_model_init_compound()
1032 XBT_PUBLIC(void) surf_network_model_init_Constant(void);
1034 /** \ingroup SURF_models
1035 * \brief Initializes the platform with the network model CM02
1037 * You sould call this function by yourself only if you plan using
1038 * surf_workstation_model_init_compound.
1039 * See comments in the code for more information.
1041 XBT_PUBLIC(void) surf_network_model_init_CM02(void);
1044 /** \ingroup SURF_models
1045 * \brief Initializes the platform with the network model GTNETS
1046 * \param filename XML platform file name
1048 * This function is called by surf_workstation_model_init_GTNETS
1049 * or by yourself only if you plan using surf_workstation_model_init_compound
1051 * \see surf_workstation_model_init_GTNETS()
1053 XBT_PUBLIC(void) surf_network_model_init_GTNETS(void);
1057 /** \ingroup SURF_models
1058 * \brief Initializes the platform with the network model NS3
1059 * \param filename XML platform file name
1061 * This function is called by surf_workstation_model_init_NS3
1062 * or by yourself only if you plan using surf_workstation_model_init_compound
1064 * \see surf_workstation_model_init_NS3()
1066 XBT_PUBLIC(void) surf_network_model_init_NS3(void);
1069 /** \ingroup SURF_models
1070 * \brief Initializes the platform with the network model Reno
1071 * \param filename XML platform file name
1073 * The problem is related to max( sum( arctan(C * Df * xi) ) ).
1076 * [LOW03] S. H. Low. A duality model of TCP and queue management algorithms.
1077 * IEEE/ACM Transaction on Networking, 11(4):525-536, 2003.
1079 * Call this function only if you plan using surf_workstation_model_init_compound.
1082 XBT_PUBLIC(void) surf_network_model_init_Reno(void);
1084 /** \ingroup SURF_models
1085 * \brief Initializes the platform with the network model Reno2
1086 * \param filename XML platform file name
1088 * The problem is related to max( sum( arctan(C * Df * xi) ) ).
1091 * [LOW01] S. H. Low. A duality model of TCP and queue management algorithms.
1092 * IEEE/ACM Transaction on Networking, 11(4):525-536, 2003.
1094 * Call this function only if you plan using surf_workstation_model_init_compound.
1097 XBT_PUBLIC(void) surf_network_model_init_Reno2(void);
1099 /** \ingroup SURF_models
1100 * \brief Initializes the platform with the network model Vegas
1101 * \param filename XML platform file name
1103 * This problem is related to max( sum( a * Df * ln(xi) ) ) which is equivalent
1104 * to the proportional fairness.
1107 * [LOW03] S. H. Low. A duality model of TCP and queue management algorithms.
1108 * IEEE/ACM Transaction on Networking, 11(4):525-536, 2003.
1110 * Call this function only if you plan using surf_workstation_model_init_compound.
1113 XBT_PUBLIC(void) surf_network_model_init_Vegas(void);
1115 /** \ingroup SURF_models
1116 * \brief The list of all available network model models
1118 XBT_PUBLIC_DATA(s_surf_model_description_t)
1119 surf_network_model_description[];
1121 /** \ingroup SURF_models
1122 * \brief The storage model
1124 XBT_PUBLIC(void) surf_storage_model_init_default(void);
1126 /** \ingroup SURF_models
1127 * \brief The list of all available storage modes.
1128 * This storage mode can be set using --cfg=storage/model:...
1130 XBT_PUBLIC_DATA(s_surf_model_description_t) surf_storage_model_description[];
1132 XBT_PUBLIC_DATA(surf_storage_model_t) surf_storage_model;
1134 /** \ingroup SURF_models
1135 * \brief The workstation model
1137 * Note that when you create an API on top of SURF,
1138 * the workstation model should be the only one you use
1139 * because depending on the platform model, the network model and the CPU model
1142 XBT_PUBLIC_DATA(surf_workstation_model_t) surf_workstation_model;
1144 /** \ingroup SURF_models
1145 * \brief The vm_workstation model
1147 * Note that when you create an API on top of SURF,
1148 * the vm_workstation model should be the only one you use
1149 * because depending on the platform model, the network model and the CPU model
1152 XBT_PUBLIC_DATA(surf_vm_workstation_model_t) surf_vm_workstation_model;
1154 /** \ingroup SURF_models
1155 * \brief Initializes the platform with a compound workstation model
1157 * This function should be called after a cpu_model and a
1158 * network_model have been set up.
1161 XBT_PUBLIC(void) surf_workstation_model_init_compound(void);
1163 /** \ingroup SURF_models
1164 * \brief Initializes the platform with the current best network and cpu models at hand
1166 * This platform model seperates the workstation model and the network model.
1167 * The workstation model will be initialized with the model compound, the network
1168 * model with the model LV08 (with cross traffic support) and the CPU model with
1170 * Such model is subject to modification with warning in the ChangeLog so monitor it!
1173 XBT_PUBLIC(void) surf_workstation_model_init_current_default(void);
1175 /** \ingroup SURF_models
1176 * \brief Initializes the platform with the model KCCFLN05
1178 * With this model, only parallel tasks can be used. Resource sharing
1179 * is done by identifying bottlenecks and giving an equal share of
1180 * the model to each action.
1183 XBT_PUBLIC(void) surf_workstation_model_init_ptask_L07(void);
1185 /** \ingroup SURF_models
1186 * \brief The list of all available workstation model models
1188 XBT_PUBLIC_DATA(s_surf_model_description_t)
1189 surf_workstation_model_description[];
1191 /** \ingroup SURF_models
1192 * \brief Initializes the platform with the current best network and cpu models at hand
1194 * This platform model seperates the workstation model and the network model.
1195 * The workstation model will be initialized with the model compound, the network
1196 * model with the model LV08 (with cross traffic support) and the CPU model with
1198 * Such model is subject to modification with warning in the ChangeLog so monitor it!
1201 XBT_PUBLIC(void) surf_vm_workstation_model_init_current_default(void);
1203 /** \ingroup SURF_models
1204 * \brief The list of all available vm workstation model models
1206 XBT_PUBLIC_DATA(s_surf_model_description_t)
1207 surf_vm_workstation_model_description[];
1209 /*******************************************/
1211 /** \ingroup SURF_models
1212 * \brief List of initialized models
1214 XBT_PUBLIC_DATA(xbt_dynar_t) model_list;
1215 XBT_PUBLIC_DATA(xbt_dynar_t) model_list_invoke;
1217 /** \ingroup SURF_simulation
1218 * \brief List of hosts that have juste restarted and whose autorestart process should be restarted.
1220 XBT_PUBLIC_DATA(xbt_dynar_t) host_that_restart;
1222 /** \ingroup SURF_simulation
1223 * \brief List of hosts for which one want to be notified if they ever restart.
1225 XBT_PUBLIC(xbt_dict_t) watched_hosts_lib;
1227 /*******************************************/
1228 /*** SURF Platform *************************/
1229 /*******************************************/
1230 XBT_PUBLIC_DATA(AS_t) surf_AS_get_routing_root(void);
1231 XBT_PUBLIC_DATA(const char *) surf_AS_get_name(AS_t as);
1232 XBT_PUBLIC_DATA(xbt_dict_t) surf_AS_get_routing_sons(AS_t as);
1233 XBT_PUBLIC_DATA(const char *) surf_AS_get_model(AS_t as);
1234 XBT_PUBLIC_DATA(xbt_dynar_t) surf_AS_get_hosts(AS_t as);
1235 XBT_PUBLIC_DATA(void) surf_AS_get_graph(AS_t as, xbt_graph_t graph, xbt_dict_t nodes, xbt_dict_t edges);
1236 XBT_PUBLIC_DATA(AS_t) surf_platf_get_root(routing_platf_t platf);
1237 XBT_PUBLIC_DATA(e_surf_network_element_type_t) surf_routing_edge_get_rc_type(sg_routing_edge_t edge);
1239 /*******************************************/
1240 /*** SURF Globals **************************/
1241 /*******************************************/
1243 /** \ingroup SURF_simulation
1244 * \brief Initialize SURF
1245 * \param argc argument number
1246 * \param argv arguments
1248 * This function has to be called to initialize the common
1249 * structures. Then you will have to create the environment by
1251 * e.g. surf_workstation_model_init_CM02()
1253 * \see surf_workstation_model_init_CM02(), surf_workstation_model_init_compound(), surf_exit()
1255 XBT_PUBLIC(void) surf_init(int *argc, char **argv); /* initialize common structures */
1257 /** \ingroup SURF_simulation
1258 * \brief Finish simulation initialization
1260 * This function must be called before the first call to surf_solve()
1262 XBT_PUBLIC(void) surf_presolve(void);
1264 /** \ingroup SURF_simulation
1265 * \brief Performs a part of the simulation
1266 * \param max_date Maximum date to update the simulation to, or -1
1267 * \return the elapsed time, or -1.0 if no event could be executed
1269 * This function execute all possible events, update the action states
1270 * and returns the time elapsed.
1271 * When you call execute or communicate on a model, the corresponding actions
1272 * are not executed immediately but only when you call surf_solve.
1273 * Note that the returned elapsed time can be zero.
1275 XBT_PUBLIC(double) surf_solve(double max_date);
1277 /** \ingroup SURF_simulation
1278 * \brief Return the current time
1280 * Return the current time in millisecond.
1282 XBT_PUBLIC(double) surf_get_clock(void);
1284 /** \ingroup SURF_simulation
1291 XBT_PUBLIC(void) surf_exit(void);
1293 /* Prototypes of the functions that handle the properties */
1294 XBT_PUBLIC_DATA(xbt_dict_t) current_property_set; /* the prop set for the currently parsed element (also used in SIMIX) */
1296 /* The same for model_prop set*/
1297 XBT_PUBLIC_DATA(xbt_dict_t) current_model_property_set;
1299 /* surf parse file related (public because called from a test suite) */
1300 XBT_PUBLIC(void) parse_platform_file(const char *file);
1302 /* For the trace and trace:connect tag (store their content till the end of the parsing) */
1303 XBT_PUBLIC_DATA(xbt_dict_t) traces_set_list;
1304 XBT_PUBLIC_DATA(xbt_dict_t) trace_connect_list_host_avail;
1305 XBT_PUBLIC_DATA(xbt_dict_t) trace_connect_list_power;
1306 XBT_PUBLIC_DATA(xbt_dict_t) trace_connect_list_link_avail;
1307 XBT_PUBLIC_DATA(xbt_dict_t) trace_connect_list_bandwidth;
1308 XBT_PUBLIC_DATA(xbt_dict_t) trace_connect_list_latency;
1311 XBT_PUBLIC(double) get_cpu_power(const char *power);
1313 XBT_PUBLIC(xbt_dict_t) get_as_router_properties(const char* name);
1315 int surf_get_nthreads(void);
1316 void surf_set_nthreads(int nthreads);
1319 * Returns the initial path. On Windows the initial path is
1320 * the current directory for the current process in the other
1321 * case the function returns "./" that represents the current
1322 * directory on Unix/Linux platforms.
1324 const char *__surf_get_initial_path(void);
1326 /********** Tracing **********/
1327 /* from surf_instr.c */
1328 void TRACE_surf_action(surf_action_t surf_action, const char *category);
1329 void TRACE_surf_alloc(void);
1330 void TRACE_surf_release(void);
1332 /* instr_routing.c */
1333 void instr_routing_define_callbacks (void);
1334 void instr_new_variable_type (const char *new_typename, const char *color);
1335 void instr_new_user_variable_type (const char *father_type, const char *new_typename, const char *color);
1336 void instr_new_user_state_type (const char *father_type, const char *new_typename);
1337 void instr_new_value_for_user_state_type (const char *_typename, const char *value, const char *color);
1338 int instr_platform_traced (void);
1339 xbt_graph_t instr_routing_platform_graph (void);
1340 void instr_routing_platform_graph_export_graphviz (xbt_graph_t g, const char *filename);
1343 #endif /* _SURF_SURF_H */