1 /* Copyright (c) 2004-2014. The SimGrid Team.
2 * All rights reserved. */
4 /* This program is free software; you can redistribute it and/or modify it
5 * under the terms of the license (GNU LGPL) which comes with this package. */
11 #include "xbt/dynar.h"
13 #include "xbt/graph.h"
16 #include "xbt/config.h"
17 #include "surf/datatypes.h"
19 #include "surf/surf_routing.h"
20 #include "simgrid/platf_interface.h"
21 #include "simgrid/datatypes.h"
22 #include "simgrid/plugins.h"
25 /* Actions and models are highly connected structures... */
27 /* user-visible parameters */
28 extern double sg_tcp_gamma;
29 extern double sg_sender_gap;
30 extern double sg_latency_factor;
31 extern double sg_bandwidth_factor;
32 extern double sg_weight_S_parameter;
33 extern int sg_network_crosstraffic;
35 extern double sg_gtnets_jitter;
36 extern int sg_gtnets_jitter_seed;
38 extern xbt_dynar_t surf_path;
41 SURF_NETWORK_ELEMENT_NULL = 0, /* NULL */
42 SURF_NETWORK_ELEMENT_HOST, /* host type */
43 SURF_NETWORK_ELEMENT_ROUTER, /* router type */
44 SURF_NETWORK_ELEMENT_AS /* AS type */
45 } e_surf_network_element_type_t;
58 class NetworkCm02Link;
61 class StorageActionLmm;
66 typedef struct Model Model;
67 typedef struct CpuModel CpuModel;
68 typedef struct HostModel HostModel;
69 typedef struct VMModel VMModel;
70 typedef struct NetworkModel NetworkModel;
71 typedef struct StorageModel StorageModel;
72 typedef struct Resource Resource;
73 typedef struct ResourceLmm ResourceLmm;
74 typedef struct HostCLM03 HostCLM03;
75 typedef struct Host Host;
76 typedef struct NetworkCm02Link NetworkCm02Link;
77 typedef struct Action Action;
78 typedef struct ActionLmm ActionLmm;
79 typedef struct StorageActionLmm StorageActionLmm;
81 typedef struct RoutingEdge RoutingEdge;
82 typedef struct RoutingPlatf RoutingPlatf;
85 /** @ingroup SURF_c_bindings
86 * \brief Model datatype
88 * Generic data structure for a model. The hosts,
89 * the CPUs and the network links are examples of models.
91 typedef Model *surf_model_t;
92 typedef CpuModel *surf_cpu_model_t;
93 typedef HostModel *surf_host_model_t;
94 typedef VMModel *surf_vm_model_t;
96 typedef NetworkModel *surf_network_model_t;
97 typedef StorageModel *surf_storage_model_t;
99 typedef xbt_dictelm_t surf_resource_t;
100 typedef Resource *surf_cpp_resource_t;
101 typedef Host *surf_host_t;
103 /** @ingroup SURF_c_bindings
104 * \brief Action structure
106 * Never create s_surf_action_t by yourself ! The actions are created
107 * on the fly when you call execute or communicate on a model.
109 * \see e_surf_action_state_t
111 typedef Action *surf_action_t;
114 typedef RoutingEdge *routing_edge_t;
115 typedef RoutingPlatf *routing_platf_t;
117 typedef struct surf_file *surf_file_t;
119 XBT_PUBLIC(e_surf_network_element_type_t)
120 routing_get_network_element_type(const char* name);
122 /** @Brief Specify that we use that action */
123 XBT_PUBLIC(void) surf_action_ref(surf_action_t action);
125 /** @brief Creates a new action.
127 * @param size The size is the one of the subtype you want to create
128 * @param cost initial value
129 * @param model to which model we should attach this action
130 * @param failed whether we should start this action in failed mode
132 XBT_PUBLIC(void *) surf_action_new(size_t size, double cost,
133 surf_model_t model, int failed);
135 /** \brief Resource model description
137 typedef struct surf_model_description {
139 const char *description;
140 void_f_void_t model_init_preparse;
141 } s_surf_model_description_t, *surf_model_description_t;
143 XBT_PUBLIC(int) find_model_description(s_surf_model_description_t * table,
145 XBT_PUBLIC(void) model_help(const char *category,
146 s_surf_model_description_t * table);
148 /** @ingroup SURF_interface
149 * @brief Action states
156 SURF_ACTION_READY = 0, /**< Ready */
157 SURF_ACTION_RUNNING, /**< Running */
158 SURF_ACTION_FAILED, /**< Task Failure */
159 SURF_ACTION_DONE, /**< Completed */
160 SURF_ACTION_TO_FREE, /**< Action to free in next cleanup */
161 SURF_ACTION_NOT_IN_THE_SYSTEM /**< Not in the system anymore. Why did you ask ? */
162 } e_surf_action_state_t;
164 /** @ingroup SURF_vm_interface
168 /* FIXME: Where should the VM state be defined? */
170 SURF_VM_STATE_CREATED, /**< created, but not yet started */
171 SURF_VM_STATE_RUNNING,
172 SURF_VM_STATE_SUSPENDED, /**< Suspend/resume does not involve disk I/O, so we assume there is no transition states. */
174 SURF_VM_STATE_SAVING, /**< Save/restore involves disk I/O, so there should be transition states. */
176 SURF_VM_STATE_RESTORING,
179 /***************************/
180 /* Generic model object */
181 /***************************/
183 XBT_PUBLIC_DATA(routing_platf_t) routing_platf;
185 static inline surf_host_t surf_host_resource_priv(const void *host){
186 return (surf_host_t) xbt_lib_get_level((xbt_dictelm_t)host, SURF_HOST_LEVEL);
188 static inline void *surf_storage_resource_priv(const void *storage){
189 return (void*)xbt_lib_get_level((xbt_dictelm_t)storage, SURF_STORAGE_LEVEL);
192 static inline void *surf_storage_resource_by_name(const char *name){
193 return xbt_lib_get_elm_or_null(storage_lib, name);
196 XBT_PUBLIC(void *) surf_as_cluster_get_backbone(AS_t as);
197 XBT_PUBLIC(void) surf_as_cluster_set_backbone(AS_t as, void* backbone);
199 /** @{ @ingroup SURF_c_bindings */
201 /** @brief Get the name of a surf model (dont rely on exact value)
203 * This is implemented using typeid(), so it may change with the compiler
205 XBT_PUBLIC(const char *) surf_model_name(surf_model_t model);
208 * @brief Pop an action from the done actions set
210 * @param model The model from which the action is extracted
211 * @return An action in done state
213 XBT_PUBLIC(surf_action_t) surf_model_extract_done_action_set(surf_model_t model);
216 * @brief Pop an action from the failed actions set
218 * @param model The model from which the action is extracted
219 * @return An action in failed state
221 XBT_PUBLIC(surf_action_t) surf_model_extract_failed_action_set(surf_model_t model);
224 * @brief Pop an action from the ready actions set
226 * @param model The model from which the action is extracted
227 * @return An action in ready state
229 XBT_PUBLIC(surf_action_t) surf_model_extract_ready_action_set(surf_model_t model);
232 * @brief Pop an action from the running actions set
234 * @param model The model from which the action is extracted
235 * @return An action in running state
237 XBT_PUBLIC(surf_action_t) surf_model_extract_running_action_set(surf_model_t model);
240 * @brief Get the size of the running action set of a model
242 * @param model The model
243 * @return The size of the running action set
245 XBT_PUBLIC(int) surf_model_running_action_set_size(surf_model_t model);
248 * @brief Execute a parallel task
249 * @details [long description]
251 * @param model The model which handle the parallelisation
252 * @param host_nb The number of hosts
253 * @param host_list The list of hosts on which the task is executed
254 * @param flops_amount The processing amount (in flop) needed to process
255 * @param bytes_amount The amount of data (in bytes) needed to transfer
256 * @param rate [description]
257 * @return The action corresponding to the parallele execution task
259 XBT_PUBLIC(surf_action_t) surf_host_model_execute_parallel_task(surf_host_model_t model,
261 sg_host_t *host_list,
262 double *flops_amount,
263 double *bytes_amount,
266 /** @brief Get the route (dynar of sg_link_t) between two hosts */
267 XBT_PUBLIC(xbt_dynar_t) surf_host_model_get_route(surf_host_model_t model, surf_resource_t src, surf_resource_t dst);
269 /** @brief Create a new VM on the specified host */
270 XBT_PUBLIC(void) surf_vm_model_create(const char *name, surf_resource_t host_PM);
272 /** @brief Create a communication between two hosts
274 * @param model The model which handle the communication
275 * @param src The source host
276 * @param dst The destination host
277 * @param size The amount of data (in bytes) needed to transfer
278 * @param rate [description]
279 * @return The action corresponding to the communication
281 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);
284 * @brief Get the name of a surf resource (cpu, host, network, …)
286 * @param resource The surf resource
287 * @return The name of the surf resource
289 XBT_PUBLIC(const char * ) surf_resource_name(surf_cpp_resource_t resource);
290 static inline const char * surf_cpu_name(surf_cpu_t cpu) {
291 return surf_resource_name((surf_cpp_resource_t)cpu);
294 /** @brief Get the properties of a surf resource (cpu, host, network, …) */
295 XBT_PUBLIC(xbt_dict_t) surf_resource_get_properties(surf_cpp_resource_t resource);
296 static XBT_INLINE xbt_dict_t surf_host_get_properties(surf_host_t host) {
297 return surf_resource_get_properties((surf_cpp_resource_t)host);
301 /** @brief Get the state of a surf resource (cpu, host, network, …) */
302 XBT_PUBLIC(e_surf_resource_state_t) surf_resource_get_state(surf_cpp_resource_t resource);
304 static XBT_INLINE e_surf_resource_state_t surf_host_get_state(surf_host_t host) {
305 return surf_resource_get_state((surf_cpp_resource_t)host);
309 /** @brief Set the state of a surf resource (cpu, host, network, …) */
310 XBT_PUBLIC(void) surf_resource_set_state(surf_cpp_resource_t resource, e_surf_resource_state_t state);
311 static inline void surf_host_set_state(surf_host_t host, e_surf_resource_state_t state) {
312 surf_resource_set_state((surf_cpp_resource_t)host, state);
316 * @brief Get the speed of the cpu associated to a host
318 * @param resource The surf host
319 * @param load [description]
321 * @return [description]
323 XBT_PUBLIC(double) surf_host_get_speed(surf_resource_t resource, double load);
326 * @brief Get the available speed of cpu associated to a host
328 * @param resource The surf host
329 * @return [description]
331 XBT_PUBLIC(double) surf_host_get_available_speed(surf_resource_t resource);
333 /** @brief Get the number of cores of the cpu associated to a host */
334 XBT_PUBLIC(int) surf_host_get_core(surf_resource_t resource);
336 /** @brief Create a computation action on the given host */
337 XBT_PUBLIC(surf_action_t) surf_host_execute(surf_resource_t resource, double size);
339 /** @brief Create a sleep action on the given host */
340 XBT_PUBLIC(surf_action_t) surf_host_sleep(surf_resource_t resource, double duration);
342 /** @brief Create a file opening action on the given host */
343 XBT_PUBLIC(surf_action_t) surf_host_open(surf_resource_t host, const char* fullpath);
345 /** @brief Create a file closing action on the given host */
346 XBT_PUBLIC(surf_action_t) surf_host_close(surf_resource_t host, surf_file_t fd);
348 /** @brief Create a file reading action on the given host */
349 XBT_PUBLIC(surf_action_t) surf_host_read(surf_resource_t host, surf_file_t fd, sg_size_t size);
351 /** @brief Create a file writing action on the given host */
352 XBT_PUBLIC(surf_action_t) surf_host_write(surf_resource_t host, surf_file_t fd, sg_size_t size);
355 * @brief Get the informations of a file descriptor
356 * @details The returned xbt_dynar_t contains:
357 * - the size of the file,
359 * - the storage name,
360 * - the storage typeId,
361 * - the storage content type
363 * @param host The surf host
364 * @param fd The file descriptor
365 * @return An xbt_dynar_t with the file informations
367 XBT_PUBLIC(xbt_dynar_t) surf_host_get_info(surf_resource_t host, surf_file_t fd);
370 * @brief Get the available space of the storage at the mount point
372 * @param resource The surf host
373 * @param name The mount point
374 * @return The amount of available space in bytes
376 XBT_PUBLIC(sg_size_t) surf_host_get_free_size(surf_resource_t resource, const char* name);
379 * @brief Get the used space of the storage at the mount point
381 * @param resource The surf host
382 * @param name The mount point
383 * @return The amount of used space in bytes
385 XBT_PUBLIC(sg_size_t) surf_host_get_used_size(surf_resource_t resource, const char* name);
387 /** @brief Get the list of VMs hosted on the host */
388 XBT_PUBLIC(xbt_dynar_t) surf_host_get_vms(surf_resource_t resource);
390 /** @brief Retrieve the params of that VM
391 * @details You can use fields ramsize and overcommit on a PM, too.
393 XBT_PUBLIC(void) surf_host_get_params(surf_resource_t resource, vm_params_t params);
395 /** @brief Sets the params of that VM/PM
396 * @details You can use fields ramsize and overcommit on a PM, too.
398 XBT_PUBLIC(void) surf_host_set_params(surf_resource_t resource, vm_params_t params);
401 * @brief Destroy a VM
403 * @param resource The surf vm
405 XBT_PUBLIC(void) surf_vm_destroy(surf_resource_t resource);
407 /** @brief Suspend a VM */
408 XBT_PUBLIC(void) surf_vm_suspend(surf_resource_t resource);
410 /** @brief Resume a VM */
411 XBT_PUBLIC(void) surf_vm_resume(surf_resource_t resource);
414 * @brief Save the VM (Not yet implemented)
416 * @param resource The surf vm
418 XBT_PUBLIC(void) surf_vm_save(surf_resource_t resource);
421 * @brief Restore the VM (Not yet implemented)
423 * @param resource The surf vm
425 XBT_PUBLIC(void) surf_vm_restore(surf_resource_t resource);
428 * @brief Migrate the VM to the destination host
430 * @param resource The surf vm
431 * @param ind_vm_ws_dest The destination host
433 XBT_PUBLIC(void) surf_vm_migrate(surf_resource_t resource, surf_resource_t ind_vm_ws_dest);
436 * @brief Get the physical machine hosting the VM
438 * @param resource The surf vm
439 * @return The physical machine hosting the VM
441 XBT_PUBLIC(surf_resource_t) surf_vm_get_pm(surf_resource_t resource);
444 * @brief [brief description]
445 * @details [long description]
447 * @param resource [description]
448 * @param bound [description]
450 XBT_PUBLIC(void) surf_vm_set_bound(surf_resource_t resource, double bound);
453 * @brief [brief description]
454 * @details [long description]
456 * @param resource [description]
457 * @param cpu [description]
458 * @param mask [description]
460 XBT_PUBLIC(void) surf_vm_set_affinity(surf_resource_t resource, surf_resource_t cpu, unsigned long mask);
463 * @brief Execute some quantity of computation
465 * @param cpu The surf cpu
466 * @param size The value of the processing amount (in flop) needed to process
467 * @return The surf action corresponding to the processing
469 XBT_PUBLIC(surf_action_t) surf_cpu_execute(surf_resource_t cpu, double size);
472 * @brief Make the cpu sleep for duration (in seconds)
473 * @details [long description]
475 * @param cpu The surf cpu
476 * @param duration The number of seconds to sleep
477 * @return The surf action corresponding to the sleeping
479 XBT_PUBLIC(surf_action_t) surf_cpu_sleep(surf_resource_t cpu, double duration);
482 * @brief Get the host power peak
483 * @details [long description]
485 * @param host The surf host
486 * @return The power peak
488 XBT_PUBLIC(double) surf_host_get_current_power_peak(surf_resource_t host);
491 * @brief [brief description]
492 * @details [long description]
494 * @param host [description]
495 * @param pstate_index [description]
497 * @return [description]
499 XBT_PUBLIC(double) surf_host_get_power_peak_at(surf_resource_t host, int pstate_index);
502 * @brief [brief description]
503 * @details [long description]
505 * @param host [description]
506 * @return [description]
508 XBT_PUBLIC(int) surf_host_get_nb_pstates(surf_resource_t host);
510 XBT_PUBLIC(void) surf_host_set_pstate(surf_resource_t host, int pstate_index);
511 XBT_PUBLIC(int) surf_host_get_pstate(surf_resource_t host);
512 XBT_PUBLIC(double) surf_host_get_wattmin_at(surf_resource_t resource, int pstate);
513 XBT_PUBLIC(double) surf_host_get_wattmax_at(surf_resource_t resource, int pstate);
516 * @brief Get the consumed energy (in joules) of an host
518 * @param host The surf host
519 * @return The consumed energy
521 XBT_PUBLIC(double) surf_host_get_consumed_energy(surf_resource_t host);
524 * @brief Get the list of storages mounted on an host
526 * @param host The surf host
527 * @return Dictionary of mount point, Storage
529 XBT_PUBLIC(xbt_dict_t) surf_host_get_mounted_storage_list(surf_resource_t host);
532 * @brief Get the list of storages attached to an host
534 * @param host The surf host
535 * @return Dictionary of storage
537 XBT_PUBLIC(xbt_dynar_t) surf_host_get_attached_storage_list(surf_resource_t host);
540 * @brief Unlink a file descriptor
542 * @param host The surf host
543 * @param fd The file descriptor
545 * @return 0 if failed to unlink, 1 otherwise
547 XBT_PUBLIC(int) surf_host_unlink(surf_resource_t host, surf_file_t fd);
550 * @brief Get the size of a file on a host
552 * @param host The surf host
553 * @param fd The file descriptor
555 * @return The size in bytes of the file
557 XBT_PUBLIC(size_t) surf_host_get_size(surf_resource_t host, surf_file_t fd);
560 * @brief Get the current position of the file descriptor
562 * @param host The surf host
563 * @param fd The file descriptor
564 * @return The current position of the file descriptor
566 XBT_PUBLIC(size_t) surf_host_file_tell(surf_resource_t host, surf_file_t fd);
569 * @brief Move a file to another location on the *same mount point*.
570 * @details [long description]
572 * @param host The surf host
573 * @param fd The file descriptor
574 * @param fullpath The new full path
576 * @return MSG_OK if successful, otherwise MSG_TASK_CANCELED
578 XBT_PUBLIC(int) surf_host_file_move(surf_resource_t host, surf_file_t fd, const char* fullpath);
581 * @brief Set the position indictator assiociated with the file descriptor to a new position
582 * @details [long description]
584 * @param host The surf host
585 * @param fd The file descriptor
586 * @param offset The offset from the origin
587 * @param origin Position used as a reference for the offset
588 * - SEEK_SET: beginning of the file
589 * - SEEK_CUR: current position indicator
590 * - SEEK_END: end of the file
591 * @return MSG_OK if successful, otherwise MSG_TASK_CANCELED
593 XBT_PUBLIC(int) surf_host_file_seek(surf_resource_t host,
594 surf_file_t fd, sg_offset_t offset,
598 * @brief Get the content of a storage
600 * @param resource The surf storage
601 * @return A xbt_dict_t with path as keys and size in bytes as values
603 XBT_PUBLIC(xbt_dict_t) surf_storage_get_content(surf_resource_t resource);
606 * @brief Get the size in bytes of a storage
608 * @param resource The surf storage
609 * @return The size in bytes of the storage
611 XBT_PUBLIC(sg_size_t) surf_storage_get_size(surf_resource_t resource);
614 * @brief Get the available size in bytes of a storage
616 * @param resource The surf storage
617 * @return The available size in bytes of the storage
619 XBT_PUBLIC(sg_size_t) surf_storage_get_free_size(surf_resource_t resource);
622 * @brief Get the size in bytes of a storage
624 * @param resource The surf storage
625 * @return The used size in bytes of the storage
627 XBT_PUBLIC(sg_size_t) surf_storage_get_used_size(surf_resource_t resource);
631 * @brief Get the data associated to the action
633 * @param action The surf action
634 * @return The data associated to the action
636 XBT_PUBLIC(void*) surf_action_get_data(surf_action_t action);
639 * @brief Set the data associated to the action
640 * @details [long description]
642 * @param action The surf action
643 * @param data The new data associated to the action
645 XBT_PUBLIC(void) surf_action_set_data(surf_action_t action, void *data);
648 * @brief Unreference an action
650 * @param action The surf action
652 XBT_PUBLIC(void) surf_action_unref(surf_action_t action);
655 * @brief Get the start time of an action
657 * @param action The surf action
658 * @return The start time in seconds from the beginning of the simulation
660 XBT_PUBLIC(double) surf_action_get_start_time(surf_action_t action);
663 * @brief Get the finish time of an action
665 * @param action The surf action
666 * @return The finish time in seconds from the beginning of the simulation
668 XBT_PUBLIC(double) surf_action_get_finish_time(surf_action_t action);
671 * @brief Get the remains amount of work to do of an action
673 * @param action The surf action
674 * @return The remains amount of work to do
676 XBT_PUBLIC(double) surf_action_get_remains(surf_action_t action);
679 * @brief Suspend an action
681 * @param action The surf action
683 XBT_PUBLIC(void) surf_action_suspend(surf_action_t action);
686 * @brief Resume an action
688 * @param action The surf action
690 XBT_PUBLIC(void) surf_action_resume(surf_action_t action);
693 * @brief Cancel an action
695 * @param action The surf action
697 XBT_PUBLIC(void) surf_action_cancel(surf_action_t action);
700 * @brief Set the priority of an action
701 * @details [long description]
703 * @param action The surf action
704 * @param priority The new priority [TODO]
706 XBT_PUBLIC(void) surf_action_set_priority(surf_action_t action, double priority);
709 * @brief Set the category of an action
710 * @details [long description]
712 * @param action The surf action
713 * @param category The new category of the action
715 XBT_PUBLIC(void) surf_action_set_category(surf_action_t action, const char *category);
718 * @brief Get the state of an action
720 * @param action The surf action
721 * @return The state of the action
723 XBT_PUBLIC(e_surf_action_state_t) surf_action_get_state(surf_action_t action);
726 * @brief Get the cost of an action
728 * @param action The surf action
729 * @return The cost of the action
731 XBT_PUBLIC(double) surf_action_get_cost(surf_action_t action);
734 * @brief [brief desrciption]
735 * @details [long description]
737 * @param action The surf cpu action
738 * @param cpu [description]
739 * @param mask [description]
741 XBT_PUBLIC(void) surf_cpu_action_set_affinity(surf_action_t action, surf_resource_t cpu, unsigned long mask);
744 * @brief [brief description]
745 * @details [long description]
747 * @param action The surf cpu action
748 * @param bound [description]
750 XBT_PUBLIC(void) surf_cpu_action_set_bound(surf_action_t action, double bound);
753 * @brief [brief description]
754 * @details [long description]
756 * @param action The surf network action
758 XBT_PUBLIC(double) surf_network_action_get_latency_limited(surf_action_t action);
761 * @brief Get the file associated to a storage action
763 * @param action The surf storage action
764 * @return The file associated to a storage action
766 XBT_PUBLIC(surf_file_t) surf_storage_action_get_file(surf_action_t action);
769 * @brief Get the result dictionary of an ls action
771 * @param action The surf storage action
772 * @return The dictionry listing a path
774 XBT_PUBLIC(xbt_dict_t) surf_storage_action_get_ls_dict(surf_action_t action);
778 * @brief Get the host the storage is attached to
780 * @param resource The surf storage
781 * @return The host name
783 XBT_PUBLIC(const char * ) surf_storage_get_host(surf_resource_t resource);
785 XBT_PUBLIC(surf_model_t) surf_resource_model(const void *host, int level);
789 /**************************************/
790 /* Implementations of model object */
791 /**************************************/
793 XBT_PUBLIC_DATA(int) autoload_surf_cpu_model;
794 XBT_PUBLIC_DATA(void_f_void_t) surf_cpu_model_init_preparse;
796 /** \ingroup SURF_models
797 * \brief The CPU model object for the physical machine layer
799 XBT_PUBLIC_DATA(surf_cpu_model_t) surf_cpu_model_pm;
801 /** \ingroup SURF_models
802 * \brief The CPU model object for the virtual machine layer
804 XBT_PUBLIC_DATA(surf_cpu_model_t) surf_cpu_model_vm;
807 /** \ingroup SURF_models
808 * \brief Initializes the CPU model with the model Cas01
810 * By default, this model uses the lazy optimization mechanism that
811 * relies on partial invalidation in LMM and a heap for lazy action update.
812 * You can change this behavior by setting the cpu/optim configuration
813 * variable to a different value.
815 * You shouldn't have to call it by yourself.
817 XBT_PUBLIC(void) surf_cpu_model_init_Cas01(void);
819 /** \ingroup SURF_models
820 * \brief Initializes the CPU model with trace integration [Deprecated]
822 * You shouldn't have to call it by yourself.
824 XBT_PUBLIC(void) surf_cpu_model_init_ti(void);
826 /** \ingroup SURF_models
827 * \brief The list of all available optimization modes (both for cpu and networks).
828 * These optimization modes can be set using --cfg=cpu/optim:... and --cfg=network/optim:...
830 XBT_PUBLIC_DATA(s_surf_model_description_t) surf_optimization_mode_description[];
832 /** \ingroup SURF_plugins
833 * \brief The list of all available surf plugins
835 XBT_PUBLIC_DATA(s_surf_model_description_t) surf_plugin_description[];
837 /** \ingroup SURF_models
838 * \brief The list of all available cpu model models
840 XBT_PUBLIC_DATA(s_surf_model_description_t) surf_cpu_model_description[];
842 /**\brief create new host bypass the parser
847 /** \ingroup SURF_models
848 * \brief The network model
850 * When creating a new API on top on SURF, you shouldn't use the
851 * network model unless you know what you are doing. Only the host
852 * model should be accessed because depending on the platform model,
853 * the network model can be NULL.
855 XBT_PUBLIC_DATA(surf_network_model_t) surf_network_model;
857 /** \ingroup SURF_models
858 * \brief Same as network model 'LagrangeVelho', only with different correction factors.
860 * This model is proposed by Pierre-Nicolas Clauss and Martin Quinson and Stéphane Génaud
861 * based on the model 'LV08' and different correction factors depending on the communication
862 * size (< 1KiB, < 64KiB, >= 64KiB).
863 * See comments in the code for more information.
865 * \see surf_host_model_init_SMPI()
867 XBT_PUBLIC(void) surf_network_model_init_SMPI(void);
869 /** \ingroup SURF_models
870 * \brief Same as network model 'LagrangeVelho', only with different correction factors.
872 * This model impelments a variant of the contention model on Infinband networks based on
873 * the works of Jérôme Vienne : http://mescal.imag.fr/membres/jean-marc.vincent/index.html/PhD/Vienne.pdf
875 * \see surf_host_model_init_IB()
877 XBT_PUBLIC(void) surf_network_model_init_IB(void);
879 /** \ingroup SURF_models
880 * \brief Initializes the platform with the network model 'LegrandVelho'
882 * This model is proposed by Arnaud Legrand and Pedro Velho based on
883 * the results obtained with the GTNets simulator for onelink and
884 * dogbone sharing scenarios. See comments in the code for more information.
886 * \see surf_host_model_init_LegrandVelho()
888 XBT_PUBLIC(void) surf_network_model_init_LegrandVelho(void);
890 /** \ingroup SURF_models
891 * \brief Initializes the platform with the network model 'Constant'
893 * In this model, the communication time between two network cards is
894 * constant, hence no need for a routing table. This is particularly
895 * usefull when simulating huge distributed algorithms where
896 * scalability is really an issue. This function is called in
897 * conjunction with surf_host_model_init_compound.
899 * \see surf_host_model_init_compound()
901 XBT_PUBLIC(void) surf_network_model_init_Constant(void);
903 /** \ingroup SURF_models
904 * \brief Initializes the platform with the network model CM02
906 * You sould call this function by yourself only if you plan using
907 * surf_host_model_init_compound.
908 * See comments in the code for more information.
910 XBT_PUBLIC(void) surf_network_model_init_CM02(void);
913 /** \ingroup SURF_models
914 * \brief Initializes the platform with the network model GTNETS
915 * \param filename XML platform file name
917 * This function is called by surf_host_model_init_GTNETS
918 * or by yourself only if you plan using surf_host_model_init_compound
920 * \see surf_host_model_init_GTNETS()
922 XBT_PUBLIC(void) surf_network_model_init_GTNETS(void);
926 /** \ingroup SURF_models
927 * \brief Initializes the platform with the network model NS3
928 * \param filename XML platform file name
930 * This function is called by surf_host_model_init_NS3
931 * or by yourself only if you plan using surf_host_model_init_compound
933 * \see surf_host_model_init_NS3()
935 XBT_PUBLIC(void) surf_network_model_init_NS3(void);
938 /** \ingroup SURF_models
939 * \brief Initializes the platform with the network model Reno
940 * \param filename XML platform file name
942 * The problem is related to max( sum( arctan(C * Df * xi) ) ).
945 * [LOW03] S. H. Low. A duality model of TCP and queue management algorithms.
946 * IEEE/ACM Transaction on Networking, 11(4):525-536, 2003.
948 * Call this function only if you plan using surf_host_model_init_compound.
951 XBT_PUBLIC(void) surf_network_model_init_Reno(void);
953 /** \ingroup SURF_models
954 * \brief Initializes the platform with the network model Reno2
955 * \param filename XML platform file name
957 * The problem is related to max( sum( arctan(C * Df * xi) ) ).
960 * [LOW01] S. H. Low. A duality model of TCP and queue management algorithms.
961 * IEEE/ACM Transaction on Networking, 11(4):525-536, 2003.
963 * Call this function only if you plan using surf_host_model_init_compound.
966 XBT_PUBLIC(void) surf_network_model_init_Reno2(void);
968 /** \ingroup SURF_models
969 * \brief Initializes the platform with the network model Vegas
970 * \param filename XML platform file name
972 * This problem is related to max( sum( a * Df * ln(xi) ) ) which is equivalent
973 * to the proportional fairness.
976 * [LOW03] S. H. Low. A duality model of TCP and queue management algorithms.
977 * IEEE/ACM Transaction on Networking, 11(4):525-536, 2003.
979 * Call this function only if you plan using surf_host_model_init_compound.
982 XBT_PUBLIC(void) surf_network_model_init_Vegas(void);
984 /** \ingroup SURF_models
985 * \brief The list of all available network model models
987 XBT_PUBLIC_DATA(s_surf_model_description_t)
988 surf_network_model_description[];
990 /** \ingroup SURF_models
991 * \brief The storage model
993 XBT_PUBLIC(void) surf_storage_model_init_default(void);
995 /** \ingroup SURF_models
996 * \brief The list of all available storage modes.
997 * This storage mode can be set using --cfg=storage/model:...
999 XBT_PUBLIC_DATA(s_surf_model_description_t) surf_storage_model_description[];
1001 XBT_PUBLIC_DATA(surf_storage_model_t) surf_storage_model;
1003 /** \ingroup SURF_models
1004 * \brief The host model
1006 * Note that when you create an API on top of SURF,
1007 * the host model should be the only one you use
1008 * because depending on the platform model, the network model and the CPU model
1011 XBT_PUBLIC_DATA(surf_host_model_t) surf_host_model;
1013 /** \ingroup SURF_models
1014 * \brief The vm model
1016 * Note that when you create an API on top of SURF,
1017 * the vm model should be the only one you use
1018 * because depending on the platform model, the network model and the CPU model
1021 XBT_PUBLIC_DATA(surf_vm_model_t) surf_vm_model;
1023 /** \ingroup SURF_models
1024 * \brief Initializes the platform with a compound host model
1026 * This function should be called after a cpu_model and a
1027 * network_model have been set up.
1030 XBT_PUBLIC(void) surf_host_model_init_compound(void);
1032 /** \ingroup SURF_models
1033 * \brief Initializes the platform with the current best network and cpu models at hand
1035 * This platform model separates the host model and the network model.
1036 * The host model will be initialized with the model compound, the network
1037 * model with the model LV08 (with cross traffic support) and the CPU model with
1039 * Such model is subject to modification with warning in the ChangeLog so monitor it!
1042 XBT_PUBLIC(void) surf_host_model_init_current_default(void);
1044 /** \ingroup SURF_models
1045 * \brief Initializes the platform with the model L07
1047 * With this model, only parallel tasks can be used. Resource sharing
1048 * is done by identifying bottlenecks and giving an equal share of
1049 * the model to each action.
1052 XBT_PUBLIC(void) surf_host_model_init_ptask_L07(void);
1054 /** \ingroup SURF_models
1055 * \brief The list of all available host model models
1057 XBT_PUBLIC_DATA(s_surf_model_description_t)
1058 surf_host_model_description[];
1060 /** \ingroup SURF_models
1061 * \brief Initializes the platform with the current best network and cpu models at hand
1063 * This platform model seperates the host model and the network model.
1064 * The host model will be initialized with the model compound, the network
1065 * model with the model LV08 (with cross traffic support) and the CPU model with
1067 * Such model is subject to modification with warning in the ChangeLog so monitor it!
1070 XBT_PUBLIC(void) surf_vm_model_init_HL13(void);
1072 /** \ingroup SURF_models
1073 * \brief The list of all available vm model models
1075 XBT_PUBLIC_DATA(s_surf_model_description_t)
1076 surf_vm_model_description[];
1078 /*******************************************/
1080 /** \ingroup SURF_models
1081 * \brief List of initialized models
1083 XBT_PUBLIC_DATA(xbt_dynar_t) model_list;
1084 XBT_PUBLIC_DATA(xbt_dynar_t) model_list_invoke;
1086 /** \ingroup SURF_simulation
1087 * \brief List of hosts that have juste restarted and whose autorestart process should be restarted.
1089 XBT_PUBLIC_DATA(xbt_dynar_t) host_that_restart;
1091 /** \ingroup SURF_simulation
1092 * \brief List of hosts for which one want to be notified if they ever restart.
1094 XBT_PUBLIC_DATA(xbt_dict_t) watched_hosts_lib;
1096 /*******************************************/
1097 /*** SURF Platform *************************/
1098 /*******************************************/
1099 XBT_PUBLIC_DATA(AS_t) surf_AS_get_routing_root(void);
1100 XBT_PUBLIC_DATA(const char *) surf_AS_get_name(AS_t as);
1101 XBT_PUBLIC_DATA(AS_t) surf_AS_get_by_name(const char * name);
1102 XBT_PUBLIC_DATA(xbt_dict_t) surf_AS_get_routing_sons(AS_t as);
1103 XBT_PUBLIC_DATA(const char *) surf_AS_get_model(AS_t as);
1104 XBT_PUBLIC_DATA(xbt_dynar_t) surf_AS_get_hosts(AS_t as);
1105 XBT_PUBLIC_DATA(void) surf_AS_get_graph(AS_t as, xbt_graph_t graph, xbt_dict_t nodes, xbt_dict_t edges);
1106 XBT_PUBLIC_DATA(AS_t) surf_platf_get_root(routing_platf_t platf);
1107 XBT_PUBLIC_DATA(e_surf_network_element_type_t) surf_routing_edge_get_rc_type(sg_routing_edge_t edge);
1109 /*******************************************/
1110 /*** SURF Globals **************************/
1111 /*******************************************/
1113 /** \ingroup SURF_simulation
1114 * \brief Initialize SURF
1115 * \param argc argument number
1116 * \param argv arguments
1118 * This function has to be called to initialize the common
1119 * structures. Then you will have to create the environment by
1121 * e.g. surf_host_model_init_CM02()
1123 * \see surf_host_model_init_CM02(), surf_host_model_init_compound(), surf_exit()
1125 XBT_PUBLIC(void) surf_init(int *argc, char **argv); /* initialize common structures */
1127 /** \ingroup SURF_simulation
1128 * \brief Finish simulation initialization
1130 * This function must be called before the first call to surf_solve()
1132 XBT_PUBLIC(void) surf_presolve(void);
1134 /** \ingroup SURF_simulation
1135 * \brief Performs a part of the simulation
1136 * \param max_date Maximum date to update the simulation to, or -1
1137 * \return the elapsed time, or -1.0 if no event could be executed
1139 * This function execute all possible events, update the action states
1140 * and returns the time elapsed.
1141 * When you call execute or communicate on a model, the corresponding actions
1142 * are not executed immediately but only when you call surf_solve.
1143 * Note that the returned elapsed time can be zero.
1145 XBT_PUBLIC(double) surf_solve(double max_date);
1147 /** \ingroup SURF_simulation
1148 * \brief Return the current time
1150 * Return the current time in millisecond.
1152 XBT_PUBLIC(double) surf_get_clock(void);
1154 /** \ingroup SURF_simulation
1161 XBT_PUBLIC(void) surf_exit(void);
1163 /* Prototypes of the functions that handle the properties */
1164 XBT_PUBLIC_DATA(xbt_dict_t) current_property_set; /* the prop set for the currently parsed element (also used in SIMIX) */
1166 /* The same for model_prop set*/
1167 XBT_PUBLIC_DATA(xbt_dict_t) current_model_property_set;
1169 /* surf parse file related (public because called from a test suite) */
1170 XBT_PUBLIC(void) parse_platform_file(const char *file);
1172 /* For the trace and trace:connect tag (store their content till the end of the parsing) */
1173 XBT_PUBLIC_DATA(xbt_dict_t) traces_set_list;
1174 XBT_PUBLIC_DATA(xbt_dict_t) trace_connect_list_host_avail;
1175 XBT_PUBLIC_DATA(xbt_dict_t) trace_connect_list_power;
1176 XBT_PUBLIC_DATA(xbt_dict_t) trace_connect_list_link_avail;
1177 XBT_PUBLIC_DATA(xbt_dict_t) trace_connect_list_bandwidth;
1178 XBT_PUBLIC_DATA(xbt_dict_t) trace_connect_list_latency;
1181 XBT_PUBLIC(double) get_cpu_power(const char *power);
1183 XBT_PUBLIC(xbt_dict_t) get_as_router_properties(const char* name);
1185 int surf_get_nthreads(void);
1186 void surf_set_nthreads(int nthreads);
1189 * Returns the initial path. On Windows the initial path is
1190 * the current directory for the current process in the other
1191 * case the function returns "./" that represents the current
1192 * directory on Unix/Linux platforms.
1194 const char *__surf_get_initial_path(void);
1196 /********** Tracing **********/
1197 /* from surf_instr.c */
1198 void TRACE_surf_action(surf_action_t surf_action, const char *category);
1199 void TRACE_surf_alloc(void);
1200 void TRACE_surf_release(void);
1202 /* instr_routing.c */
1203 void instr_routing_define_callbacks (void);
1204 void instr_new_variable_type (const char *new_typename, const char *color);
1205 void instr_new_user_variable_type (const char *father_type, const char *new_typename, const char *color);
1206 void instr_new_user_state_type (const char *father_type, const char *new_typename);
1207 void instr_new_value_for_user_state_type (const char *_typename, const char *value, const char *color);
1208 int instr_platform_traced (void);
1209 xbt_graph_t instr_routing_platform_graph (void);
1210 void instr_routing_platform_graph_export_graphviz (xbt_graph_t g, const char *filename);
1213 #endif /* _SURF_SURF_H */