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"
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 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 */
195 /** @brief Get the name of a surf model (dont rely on exact value)
197 * This is implemented using typeid(), so it may change with the compiler
199 XBT_PUBLIC(const char *) surf_model_name(surf_model_t model);
202 * @brief Pop an action from the done actions set
204 * @param model The model from which the action is extracted
205 * @return An action in done state
207 XBT_PUBLIC(surf_action_t) surf_model_extract_done_action_set(surf_model_t model);
210 * @brief Pop an action from the failed actions set
212 * @param model The model from which the action is extracted
213 * @return An action in failed state
215 XBT_PUBLIC(surf_action_t) surf_model_extract_failed_action_set(surf_model_t model);
218 * @brief Pop an action from the ready actions set
220 * @param model The model from which the action is extracted
221 * @return An action in ready state
223 XBT_PUBLIC(surf_action_t) surf_model_extract_ready_action_set(surf_model_t model);
226 * @brief Pop an action from the running actions set
228 * @param model The model from which the action is extracted
229 * @return An action in running state
231 XBT_PUBLIC(surf_action_t) surf_model_extract_running_action_set(surf_model_t model);
234 * @brief Get the size of the running action set of a model
236 * @param model The model
237 * @return The size of the running action set
239 XBT_PUBLIC(int) surf_model_running_action_set_size(surf_model_t model);
242 * @brief Execute a parallel task
243 * @details [long description]
245 * @param model The model which handle the parallelisation
246 * @param host_nb The number of hosts
247 * @param host_list The list of hosts on which the task is executed
248 * @param flops_amount The processing amount (in flop) needed to process
249 * @param bytes_amount The amount of data (in bytes) needed to transfer
250 * @param rate [description]
251 * @return The action corresponding to the parallele execution task
253 XBT_PUBLIC(surf_action_t) surf_host_model_execute_parallel_task(surf_host_model_t model,
255 sg_host_t *host_list,
256 double *flops_amount,
257 double *bytes_amount,
260 /** @brief Get the route (dynar of sg_link_t) between two hosts */
261 XBT_PUBLIC(xbt_dynar_t) surf_host_model_get_route(surf_host_model_t model, surf_resource_t src, surf_resource_t dst);
263 /** @brief Create a new VM on the specified host */
264 XBT_PUBLIC(void) surf_vm_model_create(const char *name, surf_resource_t host_PM);
266 /** @brief Create a communication between two hosts
268 * @param model The model which handle the communication
269 * @param src The source host
270 * @param dst The destination host
271 * @param size The amount of data (in bytes) needed to transfer
272 * @param rate [description]
273 * @return The action corresponding to the communication
275 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);
278 * @brief Get the name of a surf resource (cpu, host, network, …)
280 * @param resource The surf resource
281 * @return The name of the surf resource
283 XBT_PUBLIC(const char * ) surf_resource_name(surf_cpp_resource_t resource);
284 static inline const char * surf_cpu_name(surf_cpu_t cpu) {
285 return surf_resource_name((surf_cpp_resource_t)cpu);
288 /** @brief Get the properties of a surf resource (cpu, host, network, …) */
289 XBT_PUBLIC(xbt_dict_t) surf_resource_get_properties(surf_cpp_resource_t resource);
290 static XBT_INLINE xbt_dict_t surf_host_get_properties(surf_host_t host) {
291 return surf_resource_get_properties((surf_cpp_resource_t)host);
295 /** @brief Get the state of a surf resource (cpu, host, network, …) */
296 XBT_PUBLIC(e_surf_resource_state_t) surf_resource_get_state(surf_cpp_resource_t resource);
298 static XBT_INLINE e_surf_resource_state_t surf_host_get_state(surf_host_t host) {
299 return surf_resource_get_state((surf_cpp_resource_t)host);
303 /** @brief Set the state of a surf resource (cpu, host, network, …) */
304 XBT_PUBLIC(void) surf_resource_set_state(surf_cpp_resource_t resource, e_surf_resource_state_t state);
305 static inline void surf_host_set_state(surf_host_t host, e_surf_resource_state_t state) {
306 surf_resource_set_state((surf_cpp_resource_t)host, state);
309 /** @brief Get the speed of the cpu associated to a host */
310 XBT_PUBLIC(double) surf_host_get_speed(surf_resource_t resource, double load);
312 /** @brief Get the available speed of cpu associated to a host */
313 XBT_PUBLIC(double) surf_host_get_available_speed(surf_resource_t host);
315 /** @brief Get the number of cores of the cpu associated to a host */
316 XBT_PUBLIC(int) surf_host_get_core(surf_resource_t host);
318 /** @brief Create a computation action on the given host */
319 XBT_PUBLIC(surf_action_t) surf_host_execute(surf_resource_t host, double size);
321 /** @brief Create a sleep action on the given host */
322 XBT_PUBLIC(surf_action_t) surf_host_sleep(surf_resource_t host, double duration);
324 /** @brief Create a file opening action on the given host */
325 XBT_PUBLIC(surf_action_t) surf_host_open(surf_resource_t host, const char* fullpath);
327 /** @brief Create a file closing action on the given host */
328 XBT_PUBLIC(surf_action_t) surf_host_close(surf_resource_t host, surf_file_t fd);
330 /** @brief Create a file reading action on the given host */
331 XBT_PUBLIC(surf_action_t) surf_host_read(surf_resource_t host, surf_file_t fd, sg_size_t size);
333 /** @brief Create a file writing action on the given host */
334 XBT_PUBLIC(surf_action_t) surf_host_write(surf_resource_t host, surf_file_t fd, sg_size_t size);
337 * @brief Get the informations of a file descriptor
338 * @details The returned xbt_dynar_t contains:
339 * - the size of the file,
341 * - the storage name,
342 * - the storage typeId,
343 * - the storage content type
345 * @param host The surf host
346 * @param fd The file descriptor
347 * @return An xbt_dynar_t with the file informations
349 XBT_PUBLIC(xbt_dynar_t) surf_host_get_info(surf_resource_t host, surf_file_t fd);
352 * @brief Get the available space of the storage at the mount point
354 * @param resource The surf host
355 * @param name The mount point
356 * @return The amount of available space in bytes
358 XBT_PUBLIC(sg_size_t) surf_host_get_free_size(surf_resource_t resource, const char* name);
361 * @brief Get the used space of the storage at the mount point
363 * @param resource The surf host
364 * @param name The mount point
365 * @return The amount of used space in bytes
367 XBT_PUBLIC(sg_size_t) surf_host_get_used_size(surf_resource_t resource, const char* name);
369 /** @brief Get the list of VMs hosted on the host */
370 XBT_PUBLIC(xbt_dynar_t) surf_host_get_vms(surf_resource_t resource);
372 /** @brief Retrieve the params of that VM
373 * @details You can use fields ramsize and overcommit on a PM, too.
375 XBT_PUBLIC(void) surf_host_get_params(surf_resource_t resource, vm_params_t params);
377 /** @brief Sets the params of that VM/PM
378 * @details You can use fields ramsize and overcommit on a PM, too.
380 XBT_PUBLIC(void) surf_host_set_params(surf_resource_t resource, vm_params_t params);
383 * @brief Destroy a VM
385 * @param resource The surf vm
387 XBT_PUBLIC(void) surf_vm_destroy(surf_resource_t resource);
389 /** @brief Suspend a VM */
390 XBT_PUBLIC(void) surf_vm_suspend(surf_resource_t resource);
392 /** @brief Resume a VM */
393 XBT_PUBLIC(void) surf_vm_resume(surf_resource_t resource);
396 * @brief Save the VM (Not yet implemented)
398 * @param resource The surf vm
400 XBT_PUBLIC(void) surf_vm_save(surf_resource_t resource);
403 * @brief Restore the VM (Not yet implemented)
405 * @param resource The surf vm
407 XBT_PUBLIC(void) surf_vm_restore(surf_resource_t resource);
410 * @brief Migrate the VM to the destination host
412 * @param resource The surf vm
413 * @param ind_vm_ws_dest The destination host
415 XBT_PUBLIC(void) surf_vm_migrate(surf_resource_t resource, surf_resource_t ind_vm_ws_dest);
418 * @brief Get the physical machine hosting the VM
420 * @param resource The surf vm
421 * @return The physical machine hosting the VM
423 XBT_PUBLIC(surf_resource_t) surf_vm_get_pm(surf_resource_t resource);
426 * @brief [brief description]
427 * @details [long description]
429 * @param resource [description]
430 * @param bound [description]
432 XBT_PUBLIC(void) surf_vm_set_bound(surf_resource_t resource, double bound);
435 * @brief [brief description]
436 * @details [long description]
438 * @param resource [description]
439 * @param cpu [description]
440 * @param mask [description]
442 XBT_PUBLIC(void) surf_vm_set_affinity(surf_resource_t resource, surf_resource_t cpu, unsigned long mask);
445 * @brief Execute some quantity of computation
447 * @param cpu The surf cpu
448 * @param size The value of the processing amount (in flop) needed to process
449 * @return The surf action corresponding to the processing
451 XBT_PUBLIC(surf_action_t) surf_cpu_execute(surf_resource_t cpu, double size);
454 * @brief Make the cpu sleep for duration (in seconds)
455 * @details [long description]
457 * @param cpu The surf cpu
458 * @param duration The number of seconds to sleep
459 * @return The surf action corresponding to the sleeping
461 XBT_PUBLIC(surf_action_t) surf_cpu_sleep(surf_resource_t cpu, double duration);
464 * @brief Get the host power peak
465 * @details [long description]
467 * @param host The surf host
468 * @return The power peak
470 XBT_PUBLIC(double) surf_host_get_current_power_peak(surf_resource_t host);
473 * @brief [brief description]
474 * @details [long description]
476 * @param host [description]
477 * @param pstate_index [description]
479 * @return [description]
481 XBT_PUBLIC(double) surf_host_get_power_peak_at(surf_resource_t host, int pstate_index);
484 * @brief [brief description]
485 * @details [long description]
487 * @param host [description]
488 * @return [description]
490 XBT_PUBLIC(int) surf_host_get_nb_pstates(surf_resource_t host);
492 XBT_PUBLIC(void) surf_host_set_pstate(surf_resource_t host, int pstate_index);
493 XBT_PUBLIC(int) surf_host_get_pstate(surf_resource_t host);
494 XBT_PUBLIC(double) surf_host_get_wattmin_at(surf_resource_t resource, int pstate);
495 XBT_PUBLIC(double) surf_host_get_wattmax_at(surf_resource_t resource, int pstate);
498 * @brief Get the consumed energy (in joules) of an host
500 * @param host The surf host
501 * @return The consumed energy
503 XBT_PUBLIC(double) surf_host_get_consumed_energy(surf_resource_t host);
506 * @brief Get the list of storages mounted on an host
508 * @param host The surf host
509 * @return Dictionary of mount point, Storage
511 XBT_PUBLIC(xbt_dict_t) surf_host_get_mounted_storage_list(surf_resource_t host);
514 * @brief Get the list of storages attached to an host
516 * @param host The surf host
517 * @return Dictionary of storage
519 XBT_PUBLIC(xbt_dynar_t) surf_host_get_attached_storage_list(surf_resource_t host);
522 * @brief Unlink a file descriptor
524 * @param host The surf host
525 * @param fd The file descriptor
527 * @return 0 if failed to unlink, 1 otherwise
529 XBT_PUBLIC(int) surf_host_unlink(surf_resource_t host, surf_file_t fd);
532 * @brief Get the size of a file on a host
534 * @param host The surf host
535 * @param fd The file descriptor
537 * @return The size in bytes of the file
539 XBT_PUBLIC(size_t) surf_host_get_size(surf_resource_t host, surf_file_t fd);
542 * @brief Get the current position of the file descriptor
544 * @param host The surf host
545 * @param fd The file descriptor
546 * @return The current position of the file descriptor
548 XBT_PUBLIC(size_t) surf_host_file_tell(surf_resource_t host, surf_file_t fd);
551 * @brief Move a file to another location on the *same mount point*.
552 * @details [long description]
554 * @param host The surf host
555 * @param fd The file descriptor
556 * @param fullpath The new full path
558 * @return MSG_OK if successful, otherwise MSG_TASK_CANCELED
560 XBT_PUBLIC(int) surf_host_file_move(surf_resource_t host, surf_file_t fd, const char* fullpath);
563 * @brief Set the position indictator assiociated with the file descriptor to a new position
564 * @details [long description]
566 * @param host The surf host
567 * @param fd The file descriptor
568 * @param offset The offset from the origin
569 * @param origin Position used as a reference for the offset
570 * - SEEK_SET: beginning of the file
571 * - SEEK_CUR: current position indicator
572 * - SEEK_END: end of the file
573 * @return MSG_OK if successful, otherwise MSG_TASK_CANCELED
575 XBT_PUBLIC(int) surf_host_file_seek(surf_resource_t host,
576 surf_file_t fd, sg_offset_t offset,
580 * @brief Get the content of a storage
582 * @param resource The surf storage
583 * @return A xbt_dict_t with path as keys and size in bytes as values
585 XBT_PUBLIC(xbt_dict_t) surf_storage_get_content(surf_resource_t resource);
588 * @brief Get the size in bytes of a storage
590 * @param resource The surf storage
591 * @return The size in bytes of the storage
593 XBT_PUBLIC(sg_size_t) surf_storage_get_size(surf_resource_t resource);
596 * @brief Get the available size in bytes of a storage
598 * @param resource The surf storage
599 * @return The available size in bytes of the storage
601 XBT_PUBLIC(sg_size_t) surf_storage_get_free_size(surf_resource_t resource);
604 * @brief Get the size in bytes of a storage
606 * @param resource The surf storage
607 * @return The used size in bytes of the storage
609 XBT_PUBLIC(sg_size_t) surf_storage_get_used_size(surf_resource_t resource);
613 * @brief Get the data associated to the action
615 * @param action The surf action
616 * @return The data associated to the action
618 XBT_PUBLIC(void*) surf_action_get_data(surf_action_t action);
621 * @brief Set the data associated to the action
622 * @details [long description]
624 * @param action The surf action
625 * @param data The new data associated to the action
627 XBT_PUBLIC(void) surf_action_set_data(surf_action_t action, void *data);
630 * @brief Unreference an action
632 * @param action The surf action
634 XBT_PUBLIC(void) surf_action_unref(surf_action_t action);
637 * @brief Get the start time of an action
639 * @param action The surf action
640 * @return The start time in seconds from the beginning of the simulation
642 XBT_PUBLIC(double) surf_action_get_start_time(surf_action_t action);
645 * @brief Get the finish time of an action
647 * @param action The surf action
648 * @return The finish time in seconds from the beginning of the simulation
650 XBT_PUBLIC(double) surf_action_get_finish_time(surf_action_t action);
653 * @brief Get the remains amount of work to do of an action
655 * @param action The surf action
656 * @return The remains amount of work to do
658 XBT_PUBLIC(double) surf_action_get_remains(surf_action_t action);
661 * @brief Suspend an action
663 * @param action The surf action
665 XBT_PUBLIC(void) surf_action_suspend(surf_action_t action);
668 * @brief Resume an action
670 * @param action The surf action
672 XBT_PUBLIC(void) surf_action_resume(surf_action_t action);
675 * @brief Cancel an action
677 * @param action The surf action
679 XBT_PUBLIC(void) surf_action_cancel(surf_action_t action);
682 * @brief Set the priority of an action
683 * @details [long description]
685 * @param action The surf action
686 * @param priority The new priority [TODO]
688 XBT_PUBLIC(void) surf_action_set_priority(surf_action_t action, double priority);
691 * @brief Set the category of an action
692 * @details [long description]
694 * @param action The surf action
695 * @param category The new category of the action
697 XBT_PUBLIC(void) surf_action_set_category(surf_action_t action, const char *category);
700 * @brief Get the state of an action
702 * @param action The surf action
703 * @return The state of the action
705 XBT_PUBLIC(e_surf_action_state_t) surf_action_get_state(surf_action_t action);
708 * @brief Get the cost of an action
710 * @param action The surf action
711 * @return The cost of the action
713 XBT_PUBLIC(double) surf_action_get_cost(surf_action_t action);
716 * @brief [brief desrciption]
717 * @details [long description]
719 * @param action The surf cpu action
720 * @param cpu [description]
721 * @param mask [description]
723 XBT_PUBLIC(void) surf_cpu_action_set_affinity(surf_action_t action, surf_resource_t cpu, unsigned long mask);
726 * @brief [brief description]
727 * @details [long description]
729 * @param action The surf cpu action
730 * @param bound [description]
732 XBT_PUBLIC(void) surf_cpu_action_set_bound(surf_action_t action, double bound);
735 * @brief [brief description]
736 * @details [long description]
738 * @param action The surf network action
740 XBT_PUBLIC(double) surf_network_action_get_latency_limited(surf_action_t action);
743 * @brief Get the file associated to a storage action
745 * @param action The surf storage action
746 * @return The file associated to a storage action
748 XBT_PUBLIC(surf_file_t) surf_storage_action_get_file(surf_action_t action);
751 * @brief Get the result dictionary of an ls action
753 * @param action The surf storage action
754 * @return The dictionry listing a path
756 XBT_PUBLIC(xbt_dict_t) surf_storage_action_get_ls_dict(surf_action_t action);
760 * @brief Get the host the storage is attached to
762 * @param resource The surf storage
763 * @return The host name
765 XBT_PUBLIC(const char * ) surf_storage_get_host(surf_resource_t resource);
767 XBT_PUBLIC(surf_model_t) surf_resource_model(const void *host, int level);
771 /**************************************/
772 /* Implementations of model object */
773 /**************************************/
775 XBT_PUBLIC_DATA(int) autoload_surf_cpu_model;
776 XBT_PUBLIC_DATA(void_f_void_t) surf_cpu_model_init_preparse;
778 /** \ingroup SURF_models
779 * \brief The CPU model object for the physical machine layer
781 XBT_PUBLIC_DATA(surf_cpu_model_t) surf_cpu_model_pm;
783 /** \ingroup SURF_models
784 * \brief The CPU model object for the virtual machine layer
786 XBT_PUBLIC_DATA(surf_cpu_model_t) surf_cpu_model_vm;
789 /** \ingroup SURF_models
790 * \brief Initializes the CPU model with the model Cas01
792 * By default, this model uses the lazy optimization mechanism that
793 * relies on partial invalidation in LMM and a heap for lazy action update.
794 * You can change this behavior by setting the cpu/optim configuration
795 * variable to a different value.
797 * You shouldn't have to call it by yourself.
799 XBT_PUBLIC(void) surf_cpu_model_init_Cas01(void);
801 /** \ingroup SURF_models
802 * \brief Initializes the CPU model with trace integration [Deprecated]
804 * You shouldn't have to call it by yourself.
806 XBT_PUBLIC(void) surf_cpu_model_init_ti(void);
808 /** \ingroup SURF_models
809 * \brief The list of all available optimization modes (both for cpu and networks).
810 * These optimization modes can be set using --cfg=cpu/optim:... and --cfg=network/optim:...
812 XBT_PUBLIC_DATA(s_surf_model_description_t) surf_optimization_mode_description[];
814 /** \ingroup SURF_plugins
815 * \brief The list of all available surf plugins
817 XBT_PUBLIC_DATA(s_surf_model_description_t) surf_plugin_description[];
819 /** \ingroup SURF_models
820 * \brief The list of all available cpu model models
822 XBT_PUBLIC_DATA(s_surf_model_description_t) surf_cpu_model_description[];
824 /**\brief create new host bypass the parser
829 /** \ingroup SURF_models
830 * \brief The network model
832 * When creating a new API on top on SURF, you shouldn't use the
833 * network model unless you know what you are doing. Only the host
834 * model should be accessed because depending on the platform model,
835 * the network model can be NULL.
837 XBT_PUBLIC_DATA(surf_network_model_t) surf_network_model;
839 /** \ingroup SURF_models
840 * \brief Same as network model 'LagrangeVelho', only with different correction factors.
842 * This model is proposed by Pierre-Nicolas Clauss and Martin Quinson and Stéphane Génaud
843 * based on the model 'LV08' and different correction factors depending on the communication
844 * size (< 1KiB, < 64KiB, >= 64KiB).
845 * See comments in the code for more information.
847 * \see surf_host_model_init_SMPI()
849 XBT_PUBLIC(void) surf_network_model_init_SMPI(void);
851 /** \ingroup SURF_models
852 * \brief Same as network model 'LagrangeVelho', only with different correction factors.
854 * This model impelments a variant of the contention model on Infinband networks based on
855 * the works of Jérôme Vienne : http://mescal.imag.fr/membres/jean-marc.vincent/index.html/PhD/Vienne.pdf
857 * \see surf_host_model_init_IB()
859 XBT_PUBLIC(void) surf_network_model_init_IB(void);
861 /** \ingroup SURF_models
862 * \brief Initializes the platform with the network model 'LegrandVelho'
864 * This model is proposed by Arnaud Legrand and Pedro Velho based on
865 * the results obtained with the GTNets simulator for onelink and
866 * dogbone sharing scenarios. See comments in the code for more information.
868 * \see surf_host_model_init_LegrandVelho()
870 XBT_PUBLIC(void) surf_network_model_init_LegrandVelho(void);
872 /** \ingroup SURF_models
873 * \brief Initializes the platform with the network model 'Constant'
875 * In this model, the communication time between two network cards is
876 * constant, hence no need for a routing table. This is particularly
877 * usefull when simulating huge distributed algorithms where
878 * scalability is really an issue. This function is called in
879 * conjunction with surf_host_model_init_compound.
881 * \see surf_host_model_init_compound()
883 XBT_PUBLIC(void) surf_network_model_init_Constant(void);
885 /** \ingroup SURF_models
886 * \brief Initializes the platform with the network model CM02
888 * You sould call this function by yourself only if you plan using
889 * surf_host_model_init_compound.
890 * See comments in the code for more information.
892 XBT_PUBLIC(void) surf_network_model_init_CM02(void);
895 /** \ingroup SURF_models
896 * \brief Initializes the platform with the network model NS3
898 * This function is called by surf_host_model_init_NS3
899 * or by yourself only if you plan using surf_host_model_init_compound
901 * \see surf_host_model_init_NS3()
903 XBT_PUBLIC(void) surf_network_model_init_NS3(void);
906 /** \ingroup SURF_models
907 * \brief Initializes the platform with the network model Reno
909 * The problem is related to max( sum( arctan(C * Df * xi) ) ).
912 * [LOW03] S. H. Low. A duality model of TCP and queue management algorithms.
913 * IEEE/ACM Transaction on Networking, 11(4):525-536, 2003.
915 * Call this function only if you plan using surf_host_model_init_compound.
918 XBT_PUBLIC(void) surf_network_model_init_Reno(void);
920 /** \ingroup SURF_models
921 * \brief Initializes the platform with the network model Reno2
923 * The problem is related to max( sum( arctan(C * Df * xi) ) ).
926 * [LOW01] S. H. Low. A duality model of TCP and queue management algorithms.
927 * IEEE/ACM Transaction on Networking, 11(4):525-536, 2003.
929 * Call this function only if you plan using surf_host_model_init_compound.
932 XBT_PUBLIC(void) surf_network_model_init_Reno2(void);
934 /** \ingroup SURF_models
935 * \brief Initializes the platform with the network model Vegas
937 * This problem is related to max( sum( a * Df * ln(xi) ) ) which is equivalent
938 * to the proportional fairness.
941 * [LOW03] S. H. Low. A duality model of TCP and queue management algorithms.
942 * IEEE/ACM Transaction on Networking, 11(4):525-536, 2003.
944 * Call this function only if you plan using surf_host_model_init_compound.
947 XBT_PUBLIC(void) surf_network_model_init_Vegas(void);
949 /** \ingroup SURF_models
950 * \brief The list of all available network model models
952 XBT_PUBLIC_DATA(s_surf_model_description_t)
953 surf_network_model_description[];
955 /** \ingroup SURF_models
956 * \brief The storage model
958 XBT_PUBLIC(void) surf_storage_model_init_default(void);
960 /** \ingroup SURF_models
961 * \brief The list of all available storage modes.
962 * This storage mode can be set using --cfg=storage/model:...
964 XBT_PUBLIC_DATA(s_surf_model_description_t) surf_storage_model_description[];
966 XBT_PUBLIC_DATA(surf_storage_model_t) surf_storage_model;
968 /** \ingroup SURF_models
969 * \brief The host model
971 * Note that when you create an API on top of SURF,
972 * the host model should be the only one you use
973 * because depending on the platform model, the network model and the CPU model
976 XBT_PUBLIC_DATA(surf_host_model_t) surf_host_model;
978 /** \ingroup SURF_models
979 * \brief The vm model
981 * Note that when you create an API on top of SURF,
982 * the vm model should be the only one you use
983 * because depending on the platform model, the network model and the CPU model
986 XBT_PUBLIC_DATA(surf_vm_model_t) surf_vm_model;
988 /** \ingroup SURF_models
989 * \brief Initializes the platform with a compound host model
991 * This function should be called after a cpu_model and a
992 * network_model have been set up.
995 XBT_PUBLIC(void) surf_host_model_init_compound(void);
997 /** \ingroup SURF_models
998 * \brief Initializes the platform with the current best network and cpu models at hand
1000 * This platform model separates the host model and the network model.
1001 * The host model will be initialized with the model compound, the network
1002 * model with the model LV08 (with cross traffic support) and the CPU model with
1004 * Such model is subject to modification with warning in the ChangeLog so monitor it!
1007 XBT_PUBLIC(void) surf_host_model_init_current_default(void);
1009 /** \ingroup SURF_models
1010 * \brief Initializes the platform with the model L07
1012 * With this model, only parallel tasks can be used. Resource sharing
1013 * is done by identifying bottlenecks and giving an equal share of
1014 * the model to each action.
1017 XBT_PUBLIC(void) surf_host_model_init_ptask_L07(void);
1019 /** \ingroup SURF_models
1020 * \brief The list of all available host model models
1022 XBT_PUBLIC_DATA(s_surf_model_description_t)
1023 surf_host_model_description[];
1025 /** \ingroup SURF_models
1026 * \brief Initializes the platform with the current best network and cpu models at hand
1028 * This platform model seperates the host model and the network model.
1029 * The host model will be initialized with the model compound, the network
1030 * model with the model LV08 (with cross traffic support) and the CPU model with
1032 * Such model is subject to modification with warning in the ChangeLog so monitor it!
1035 XBT_PUBLIC(void) surf_vm_model_init_HL13(void);
1037 /** \ingroup SURF_models
1038 * \brief The list of all available vm model models
1040 XBT_PUBLIC_DATA(s_surf_model_description_t)
1041 surf_vm_model_description[];
1043 /*******************************************/
1045 /** \ingroup SURF_models
1046 * \brief List of initialized models
1048 XBT_PUBLIC_DATA(xbt_dynar_t) model_list;
1049 XBT_PUBLIC_DATA(xbt_dynar_t) model_list_invoke;
1051 /** \ingroup SURF_simulation
1052 * \brief List of hosts that have juste restarted and whose autorestart process should be restarted.
1054 XBT_PUBLIC_DATA(xbt_dynar_t) host_that_restart;
1056 /** \ingroup SURF_simulation
1057 * \brief List of hosts for which one want to be notified if they ever restart.
1059 XBT_PUBLIC_DATA(xbt_dict_t) watched_hosts_lib;
1061 /*******************************************/
1062 /*** SURF Platform *************************/
1063 /*******************************************/
1064 XBT_PUBLIC_DATA(AS_t) surf_AS_get_routing_root(void);
1065 XBT_PUBLIC_DATA(const char *) surf_AS_get_name(AS_t as);
1066 XBT_PUBLIC_DATA(AS_t) surf_AS_get_by_name(const char * name);
1067 XBT_PUBLIC_DATA(xbt_dict_t) surf_AS_get_routing_sons(AS_t as);
1068 XBT_PUBLIC_DATA(const char *) surf_AS_get_model(AS_t as);
1069 XBT_PUBLIC_DATA(xbt_dynar_t) surf_AS_get_hosts(AS_t as);
1070 XBT_PUBLIC_DATA(void) surf_AS_get_graph(AS_t as, xbt_graph_t graph, xbt_dict_t nodes, xbt_dict_t edges);
1071 XBT_PUBLIC_DATA(AS_t) surf_platf_get_root(routing_platf_t platf);
1072 XBT_PUBLIC_DATA(e_surf_network_element_type_t) surf_routing_edge_get_rc_type(sg_routing_edge_t edge);
1074 /*******************************************/
1075 /*** SURF Globals **************************/
1076 /*******************************************/
1078 /** \ingroup SURF_simulation
1079 * \brief Initialize SURF
1080 * \param argc argument number
1081 * \param argv arguments
1083 * This function has to be called to initialize the common
1084 * structures. Then you will have to create the environment by
1086 * e.g. surf_host_model_init_CM02()
1088 * \see surf_host_model_init_CM02(), surf_host_model_init_compound(), surf_exit()
1090 XBT_PUBLIC(void) surf_init(int *argc, char **argv); /* initialize common structures */
1092 /** \ingroup SURF_simulation
1093 * \brief Finish simulation initialization
1095 * This function must be called before the first call to surf_solve()
1097 XBT_PUBLIC(void) surf_presolve(void);
1099 /** \ingroup SURF_simulation
1100 * \brief Performs a part of the simulation
1101 * \param max_date Maximum date to update the simulation to, or -1
1102 * \return the elapsed time, or -1.0 if no event could be executed
1104 * This function execute all possible events, update the action states
1105 * and returns the time elapsed.
1106 * When you call execute or communicate on a model, the corresponding actions
1107 * are not executed immediately but only when you call surf_solve.
1108 * Note that the returned elapsed time can be zero.
1110 XBT_PUBLIC(double) surf_solve(double max_date);
1112 /** \ingroup SURF_simulation
1113 * \brief Return the current time
1115 * Return the current time in millisecond.
1117 XBT_PUBLIC(double) surf_get_clock(void);
1119 /** \ingroup SURF_simulation
1126 XBT_PUBLIC(void) surf_exit(void);
1128 /* Prototypes of the functions that handle the properties */
1129 XBT_PUBLIC_DATA(xbt_dict_t) current_property_set; /* the prop set for the currently parsed element (also used in SIMIX) */
1131 /* The same for model_prop set*/
1132 XBT_PUBLIC_DATA(xbt_dict_t) current_model_property_set;
1134 /* surf parse file related (public because called from a test suite) */
1135 XBT_PUBLIC(void) parse_platform_file(const char *file);
1137 /* For the trace and trace:connect tag (store their content till the end of the parsing) */
1138 XBT_PUBLIC_DATA(xbt_dict_t) traces_set_list;
1139 XBT_PUBLIC_DATA(xbt_dict_t) trace_connect_list_host_avail;
1140 XBT_PUBLIC_DATA(xbt_dict_t) trace_connect_list_power;
1141 XBT_PUBLIC_DATA(xbt_dict_t) trace_connect_list_link_avail;
1142 XBT_PUBLIC_DATA(xbt_dict_t) trace_connect_list_bandwidth;
1143 XBT_PUBLIC_DATA(xbt_dict_t) trace_connect_list_latency;
1146 XBT_PUBLIC(double) get_cpu_power(const char *power);
1148 XBT_PUBLIC(xbt_dict_t) get_as_router_properties(const char* name);
1150 int surf_get_nthreads(void);
1151 void surf_set_nthreads(int nthreads);
1154 * Returns the initial path. On Windows the initial path is
1155 * the current directory for the current process in the other
1156 * case the function returns "./" that represents the current
1157 * directory on Unix/Linux platforms.
1159 const char *__surf_get_initial_path(void);
1161 /********** Tracing **********/
1162 /* from surf_instr.c */
1163 void TRACE_surf_action(surf_action_t surf_action, const char *category);
1164 void TRACE_surf_alloc(void);
1165 void TRACE_surf_release(void);
1167 /* instr_routing.c */
1168 void instr_routing_define_callbacks (void);
1169 void instr_new_variable_type (const char *new_typename, const char *color);
1170 void instr_new_user_variable_type (const char *father_type, const char *new_typename, const char *color);
1171 void instr_new_user_state_type (const char *father_type, const char *new_typename);
1172 void instr_new_value_for_user_state_type (const char *_typename, const char *value, const char *color);
1173 int instr_platform_traced (void);
1174 xbt_graph_t instr_routing_platform_graph (void);
1175 void instr_routing_platform_graph_export_graphviz (xbt_graph_t g, const char *filename);
1178 #endif /* _SURF_SURF_H */