1 /* Copyright (c) 2004-2015. The SimGrid Team.
2 * All rights reserved. */
4 /* This program is free software; you can redistribute it and/or modify it
5 * under the terms of the license (GNU LGPL) which comes with this package. */
11 #include "xbt/dynar.h"
13 #include "xbt/graph.h"
15 #include "xbt/config.h"
16 #include "src/portable.h"
17 #include "surf/surf_routing.h"
18 #include "surf/datatypes.h"
20 #include "surf/surf_routing.h"
21 #include "simgrid/platf_interface.h"
22 #include "simgrid/datatypes.h"
23 #include "simgrid/plugins.h"
24 #include "simgrid/forward.h"
27 /* Actions and models are highly connected structures... */
29 /* user-visible parameters */
30 extern XBT_PRIVATE double sg_tcp_gamma;
31 extern XBT_PRIVATE double sg_sender_gap;
32 extern XBT_PRIVATE double sg_latency_factor;
33 extern XBT_PRIVATE double sg_bandwidth_factor;
34 extern XBT_PRIVATE double sg_weight_S_parameter;
35 extern XBT_PRIVATE int sg_network_crosstraffic;
36 extern XBT_PRIVATE xbt_dynar_t surf_path;
39 SURF_NETWORK_ELEMENT_NULL = 0, /* NULL */
40 SURF_NETWORK_ELEMENT_HOST, /* host type */
41 SURF_NETWORK_ELEMENT_ROUTER, /* router type */
42 SURF_NETWORK_ELEMENT_AS /* AS type */
43 } e_surf_network_element_type_t;
60 class NetworkCm02Link;
63 class StorageActionLmm;
70 typedef simgrid::surf::Model surf_Model;
71 typedef simgrid::surf::CpuModel surf_CpuModel;
72 typedef simgrid::surf::HostModel surf_HostModel;
73 typedef simgrid::surf::VMModel surf_VMModel;
74 typedef simgrid::surf::NetworkModel surf_NetworkModel;
75 typedef simgrid::surf::StorageModel surf_StorageModel;
76 typedef simgrid::surf::Resource surf_Resource;
77 typedef simgrid::surf::ResourceLmm surf_ResourceLmm;
78 typedef simgrid::surf::Host surf_Host;
79 typedef simgrid::surf::HostCLM03 surf_HostCLM03;
80 typedef simgrid::surf::NetworkCm02Link surf_NetworkCm02Link;
81 typedef simgrid::surf::Action surf_Action;
82 typedef simgrid::surf::ActionLmm surf_ActionLmm;
83 typedef simgrid::surf::StorageActionLmm surf_StorageActionLmm;
84 typedef simgrid::surf::RoutingPlatf surf_RoutingPlatf;
88 typedef struct surf_Model surf_Model;
89 typedef struct surf_CpuModel surf_CpuModel;
90 typedef struct surf_HostModel surf_HostModel;
91 typedef struct surf_VMModel surf_VMModel;
92 typedef struct surf_NetworkModel surf_NetworkModel;
93 typedef struct surf_StorageModel surf_StorageModel;
94 typedef struct surf_Resource surf_Resource;
95 typedef struct surf_ResourceLmm surf_ResourceLmm;
96 typedef struct surf_HostCLM03 surf_HostCLM03;
97 typedef struct surf_Host surf_Host;
98 typedef struct surf_NetworkCm02Link surf_NetworkCm02Link;
99 typedef struct surf_Action surf_Action;
100 typedef struct surf_ActionLmm surf_ActionLmm;
101 typedef struct surf_StorageActionLmm surf_StorageActionLmm;
102 typedef struct surf_RoutingPlatf surf_RoutingPlatf;
106 /** @ingroup SURF_c_bindings
107 * \brief Model datatype
109 * Generic data structure for a model. The hosts,
110 * the CPUs and the network links are examples of models.
112 typedef surf_Model *surf_model_t;
113 typedef surf_CpuModel *surf_cpu_model_t;
114 typedef surf_HostModel *surf_host_model_t;
115 typedef surf_VMModel *surf_vm_model_t;
116 typedef surf_NetworkModel *surf_network_model_t;
117 typedef surf_StorageModel *surf_storage_model_t;
119 typedef xbt_dictelm_t surf_resource_t;
120 typedef surf_Resource *surf_cpp_resource_t;
121 typedef surf_Host *surf_host_t;
122 typedef surf_Cpu *surf_cpu_t;
124 /** @ingroup SURF_c_bindings
125 * \brief Action structure
127 * Never create s_surf_action_t by yourself ! The actions are created
128 * on the fly when you call execute or communicate on a model.
130 * \see e_surf_action_state_t
132 typedef surf_Action *surf_action_t;
133 typedef surf_RoutingPlatf *routing_platf_t;
135 typedef struct surf_file *surf_file_t;
137 XBT_PUBLIC(e_surf_network_element_type_t)
138 routing_get_network_element_type(const char* name);
140 /** @Brief Specify that we use that action */
141 XBT_PUBLIC(void) surf_action_ref(surf_action_t action);
143 /** @brief Creates a new action.
145 * @param size The size is the one of the subtype you want to create
146 * @param cost initial value
147 * @param model to which model we should attach this action
148 * @param failed whether we should start this action in failed mode
150 XBT_PUBLIC(void *) surf_action_new(size_t size, double cost,
151 surf_model_t model, int failed);
153 /** \brief Resource model description
155 typedef struct surf_model_description {
157 const char *description;
158 void_f_void_t model_init_preparse;
159 } s_surf_model_description_t, *surf_model_description_t;
161 XBT_PUBLIC(int) find_model_description(s_surf_model_description_t * table,
163 XBT_PUBLIC(void) model_help(const char *category,
164 s_surf_model_description_t * table);
166 /** @ingroup SURF_interface
167 * @brief Action states
172 SURF_ACTION_READY = 0, /**< Ready */
173 SURF_ACTION_RUNNING, /**< Running */
174 SURF_ACTION_FAILED, /**< Task Failure */
175 SURF_ACTION_DONE, /**< Completed */
176 SURF_ACTION_TO_FREE, /**< Action to free in next cleanup */
177 SURF_ACTION_NOT_IN_THE_SYSTEM /**< Not in the system anymore. Why did you ask ? */
178 } e_surf_action_state_t;
180 /** @ingroup SURF_vm_interface
184 /* FIXME: Where should the VM state be defined? */
186 SURF_VM_STATE_CREATED, /**< created, but not yet started */
187 SURF_VM_STATE_RUNNING,
188 SURF_VM_STATE_SUSPENDED, /**< Suspend/resume does not involve disk I/O, so we assume there is no transition states. */
190 SURF_VM_STATE_SAVING, /**< Save/restore involves disk I/O, so there should be transition states. */
192 SURF_VM_STATE_RESTORING,
195 /***************************/
196 /* Generic model object */
197 /***************************/
199 XBT_PUBLIC_DATA(routing_platf_t) routing_platf;
201 XBT_PUBLIC(surf_host_t) surf_host_resource_priv(sg_host_t host);
203 static inline void *surf_storage_resource_priv(const void *storage){
204 return (void*)xbt_lib_get_level((xbt_dictelm_t)storage, SURF_STORAGE_LEVEL);
207 static inline void *surf_storage_resource_by_name(const char *name){
208 return xbt_lib_get_elm_or_null(storage_lib, name);
211 /** @{ @ingroup SURF_c_bindings */
214 * @brief Pop an action from the done actions set
216 * @param model The model from which the action is extracted
217 * @return An action in done state
219 XBT_PUBLIC(surf_action_t) surf_model_extract_done_action_set(surf_model_t model);
222 * @brief Pop an action from the failed actions set
224 * @param model The model from which the action is extracted
225 * @return An action in failed state
227 XBT_PUBLIC(surf_action_t) surf_model_extract_failed_action_set(surf_model_t model);
230 * @brief Pop an action from the ready actions set
232 * @param model The model from which the action is extracted
233 * @return An action in ready state
235 XBT_PUBLIC(surf_action_t) surf_model_extract_ready_action_set(surf_model_t model);
238 * @brief Pop an action from the running actions set
240 * @param model The model from which the action is extracted
241 * @return An action in running state
243 XBT_PUBLIC(surf_action_t) surf_model_extract_running_action_set(surf_model_t model);
246 * @brief Get the size of the running action set of a model
248 * @param model The model
249 * @return The size of the running action set
251 XBT_PUBLIC(int) surf_model_running_action_set_size(surf_model_t model);
254 * @brief Execute a parallel task
255 * @details [long description]
257 * @param model The model which handle the parallelisation
258 * @param host_nb The number of hosts
259 * @param host_list The list of hosts on which the task is executed
260 * @param flops_amount The processing amount (in flop) needed to process
261 * @param bytes_amount The amount of data (in bytes) needed to transfer
262 * @param rate [description]
263 * @return The action corresponding to the parallele execution task
265 XBT_PUBLIC(surf_action_t) surf_host_model_execute_parallel_task(surf_host_model_t model,
267 sg_host_t *host_list,
268 double *flops_amount,
269 double *bytes_amount,
272 /** @brief Get the route (dynar of sg_link_t) between two hosts */
273 XBT_PUBLIC(xbt_dynar_t) surf_host_model_get_route(
274 surf_host_model_t model, sg_host_t src, sg_host_t dst);
276 /** @brief Create a new VM on the specified host */
277 XBT_PUBLIC(void) surf_vm_model_create(const char *name, sg_host_t host_PM);
279 /** @brief Create a communication between two hosts
281 * @param model The model which handle the communication
282 * @param src The source host
283 * @param dst The destination host
284 * @param size The amount of data (in bytes) needed to transfer
285 * @param rate [description]
286 * @return The action corresponding to the communication
288 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);
291 * @brief Get the name of a surf resource (cpu, host, network, …)
293 * @param resource The surf resource
294 * @return The name of the surf resource
296 XBT_PUBLIC(const char * ) surf_resource_name(surf_cpp_resource_t resource);
297 static inline const char * surf_cpu_name(surf_cpu_t cpu) {
298 return surf_resource_name((surf_cpp_resource_t)cpu);
301 /** @brief Get the properties of an host */
302 XBT_PUBLIC(xbt_dict_t) sg_host_get_properties(sg_host_t host);
305 /** @brief Get the state of a surf resource (cpu, host, network, …) */
306 XBT_PUBLIC(e_surf_resource_state_t) surf_resource_get_state(surf_cpp_resource_t resource);
308 static XBT_INLINE e_surf_resource_state_t surf_host_get_state(surf_host_t host) {
309 return surf_resource_get_state((surf_cpp_resource_t)host);
313 /** @brief Set the state of a surf resource (cpu, host, network, …) */
314 XBT_PUBLIC(void) surf_resource_set_state(surf_cpp_resource_t resource, e_surf_resource_state_t state);
315 static inline void surf_host_set_state(surf_host_t host, e_surf_resource_state_t state) {
316 surf_resource_set_state((surf_cpp_resource_t)host, state);
319 /** @brief Get the speed of the cpu associated to a host */
320 XBT_PUBLIC(double) surf_host_get_speed(sg_host_t resource, double load);
322 /** @brief Get the available speed of cpu associated to a host */
323 XBT_PUBLIC(double) surf_host_get_available_speed(sg_host_t host);
325 /** @brief Get the number of cores of the cpu associated to a host */
326 XBT_PUBLIC(int) surf_host_get_core(sg_host_t host);
328 /** @brief Create a computation action on the given host */
329 XBT_PUBLIC(surf_action_t) surf_host_execute(sg_host_t host, double size);
331 /** @brief Create a sleep action on the given host */
332 XBT_PUBLIC(surf_action_t) surf_host_sleep(sg_host_t host, double duration);
334 /** @brief Create a file opening action on the given host */
335 XBT_PUBLIC(surf_action_t) surf_host_open(sg_host_t host, const char* fullpath);
337 /** @brief Create a file closing action on the given host */
338 XBT_PUBLIC(surf_action_t) surf_host_close(sg_host_t host, surf_file_t fd);
340 /** @brief Create a file reading action on the given host */
341 XBT_PUBLIC(surf_action_t) surf_host_read(sg_host_t host, surf_file_t fd, sg_size_t size);
343 /** @brief Create a file writing action on the given host */
344 XBT_PUBLIC(surf_action_t) surf_host_write(sg_host_t host, surf_file_t fd, sg_size_t size);
347 * @brief Get the informations of a file descriptor
348 * @details The returned xbt_dynar_t contains:
349 * - the size of the file,
351 * - the storage name,
352 * - the storage typeId,
353 * - the storage content type
355 * @param host The surf host
356 * @param fd The file descriptor
357 * @return An xbt_dynar_t with the file informations
359 XBT_PUBLIC(xbt_dynar_t) surf_host_get_info(sg_host_t host, surf_file_t fd);
362 * @brief Get the available space of the storage at the mount point
364 * @param resource The surf host
365 * @param name The mount point
366 * @return The amount of available space in bytes
368 XBT_PUBLIC(sg_size_t) surf_host_get_free_size(sg_host_t resource, const char* name);
371 * @brief Get the used space of the storage at the mount point
373 * @param resource The surf host
374 * @param name The mount point
375 * @return The amount of used space in bytes
377 XBT_PUBLIC(sg_size_t) surf_host_get_used_size(sg_host_t resource, const char* name);
379 /** @brief Get the list of VMs hosted on the host */
380 XBT_PUBLIC(xbt_dynar_t) surf_host_get_vms(sg_host_t resource);
382 /** @brief Retrieve the params of that VM
383 * @details You can use fields ramsize and overcommit on a PM, too.
385 XBT_PUBLIC(void) surf_host_get_params(sg_host_t resource, vm_params_t params);
387 /** @brief Sets the params of that VM/PM
388 * @details You can use fields ramsize and overcommit on a PM, too.
390 XBT_PUBLIC(void) surf_host_set_params(sg_host_t resource, vm_params_t params);
393 * @brief Destroy a VM
395 * @param resource The surf vm
397 XBT_PUBLIC(void) surf_vm_destroy(sg_host_t resource);
399 /** @brief Suspend a VM */
400 XBT_PUBLIC(void) surf_vm_suspend(sg_host_t resource);
402 /** @brief Resume a VM */
403 XBT_PUBLIC(void) surf_vm_resume(sg_host_t resource);
406 * @brief Save the VM (Not yet implemented)
408 * @param resource The surf vm
410 XBT_PUBLIC(void) surf_vm_save(sg_host_t resource);
413 * @brief Restore the VM (Not yet implemented)
415 * @param resource The surf vm
417 XBT_PUBLIC(void) surf_vm_restore(sg_host_t resource);
420 * @brief Migrate the VM to the destination host
422 * @param resource The surf vm
423 * @param ind_vm_ws_dest The destination host
425 XBT_PUBLIC(void) surf_vm_migrate(sg_host_t resource, sg_host_t ind_vm_ws_dest);
428 * @brief Get the physical machine hosting the VM
430 * @param resource The surf vm
431 * @return The physical machine hosting the VM
433 XBT_PUBLIC(sg_host_t) surf_vm_get_pm(sg_host_t resource);
436 * @brief [brief description]
437 * @details [long description]
439 * @param resource [description]
440 * @param bound [description]
442 XBT_PUBLIC(void) surf_vm_set_bound(sg_host_t resource, double bound);
445 * @brief [brief description]
446 * @details [long description]
448 * @param resource [description]
449 * @param cpu [description]
450 * @param mask [description]
452 XBT_PUBLIC(void) surf_vm_set_affinity(sg_host_t resource, sg_host_t cpu, unsigned long mask);
455 * @brief Execute some quantity of computation
457 * @param cpu The surf cpu
458 * @param size The value of the processing amount (in flop) needed to process
459 * @return The surf action corresponding to the processing
461 XBT_PUBLIC(surf_action_t) surf_cpu_execute(sg_host_t cpu, double size);
464 * @brief Make the cpu sleep for duration (in seconds)
465 * @details [long description]
467 * @param cpu The surf cpu
468 * @param duration The number of seconds to sleep
469 * @return The surf action corresponding to the sleeping
471 XBT_PUBLIC(surf_action_t) surf_cpu_sleep(sg_host_t cpu, double duration);
474 * @brief Get the host power peak
475 * @details [long description]
477 * @param host The surf host
478 * @return The power peak
480 XBT_PUBLIC(double) surf_host_get_current_power_peak(sg_host_t host);
483 * @brief [brief description]
484 * @details [long description]
486 * @param host [description]
487 * @param pstate_index [description]
489 * @return [description]
491 XBT_PUBLIC(double) surf_host_get_power_peak_at(sg_host_t host, int pstate_index);
494 * @brief [brief description]
495 * @details [long description]
497 * @param host [description]
498 * @return [description]
500 XBT_PUBLIC(int) surf_host_get_nb_pstates(sg_host_t host);
502 XBT_PUBLIC(void) surf_host_set_pstate(sg_host_t host, int pstate_index);
503 XBT_PUBLIC(int) surf_host_get_pstate(sg_host_t host);
504 XBT_PUBLIC(double) surf_host_get_wattmin_at(sg_host_t resource, int pstate);
505 XBT_PUBLIC(double) surf_host_get_wattmax_at(sg_host_t resource, int pstate);
508 * @brief Get the consumed energy (in joules) of an host
510 * @param host The surf host
511 * @return The consumed energy
513 XBT_PUBLIC(double) surf_host_get_consumed_energy(sg_host_t host);
516 * @brief Get the list of storages mounted on an host
518 * @param host The surf host
519 * @return Dictionary of mount point, Storage
521 XBT_PUBLIC(xbt_dict_t) surf_host_get_mounted_storage_list(sg_host_t host);
524 * @brief Get the list of storages attached to an host
526 * @param host The surf host
527 * @return Dictionary of storage
529 XBT_PUBLIC(xbt_dynar_t) surf_host_get_attached_storage_list(sg_host_t host);
532 * @brief Unlink a file descriptor
534 * @param host The surf host
535 * @param fd The file descriptor
537 * @return 0 if failed to unlink, 1 otherwise
539 XBT_PUBLIC(int) surf_host_unlink(sg_host_t host, surf_file_t fd);
542 * @brief Get the size of a file on a host
544 * @param host The surf host
545 * @param fd The file descriptor
547 * @return The size in bytes of the file
549 XBT_PUBLIC(size_t) surf_host_get_size(sg_host_t host, surf_file_t fd);
552 * @brief Get the current position of the file descriptor
554 * @param host The surf host
555 * @param fd The file descriptor
556 * @return The current position of the file descriptor
558 XBT_PUBLIC(size_t) surf_host_file_tell(sg_host_t host, surf_file_t fd);
561 * @brief Move a file to another location on the *same mount point*.
562 * @details [long description]
564 * @param host The surf host
565 * @param fd The file descriptor
566 * @param fullpath The new full path
568 * @return MSG_OK if successful, otherwise MSG_TASK_CANCELED
570 XBT_PUBLIC(int) surf_host_file_move(sg_host_t host, surf_file_t fd, const char* fullpath);
573 * @brief Set the position indictator assiociated with the file descriptor to a new position
574 * @details [long description]
576 * @param host The surf host
577 * @param fd The file descriptor
578 * @param offset The offset from the origin
579 * @param origin Position used as a reference for the offset
580 * - SEEK_SET: beginning of the file
581 * - SEEK_CUR: current position indicator
582 * - SEEK_END: end of the file
583 * @return MSG_OK if successful, otherwise MSG_TASK_CANCELED
585 XBT_PUBLIC(int) surf_host_file_seek(sg_host_t host,
586 surf_file_t fd, sg_offset_t offset,
590 * @brief Get the content of a storage
592 * @param resource The surf storage
593 * @return A xbt_dict_t with path as keys and size in bytes as values
595 XBT_PUBLIC(xbt_dict_t) surf_storage_get_content(surf_resource_t resource);
598 * @brief Get the size in bytes of a storage
600 * @param resource The surf storage
601 * @return The size in bytes of the storage
603 XBT_PUBLIC(sg_size_t) surf_storage_get_size(surf_resource_t resource);
606 * @brief Get the available size in bytes of a storage
608 * @param resource The surf storage
609 * @return The available size in bytes of the storage
611 XBT_PUBLIC(sg_size_t) surf_storage_get_free_size(surf_resource_t resource);
614 * @brief Get the size in bytes of a storage
616 * @param resource The surf storage
617 * @return The used size in bytes of the storage
619 XBT_PUBLIC(sg_size_t) surf_storage_get_used_size(surf_resource_t resource);
621 /** @brief return the properties set associated to that storage */
622 XBT_PUBLIC(xbt_dict_t) surf_storage_get_properties(surf_resource_t resource);
625 * @brief Get the data associated to the action
627 * @param action The surf action
628 * @return The data associated to the action
630 XBT_PUBLIC(void*) surf_action_get_data(surf_action_t action);
633 * @brief Set the data associated to the action
634 * @details [long description]
636 * @param action The surf action
637 * @param data The new data associated to the action
639 XBT_PUBLIC(void) surf_action_set_data(surf_action_t action, void *data);
642 * @brief Unreference an action
644 * @param action The surf action
646 XBT_PUBLIC(void) surf_action_unref(surf_action_t action);
649 * @brief Get the start time of an action
651 * @param action The surf action
652 * @return The start time in seconds from the beginning of the simulation
654 XBT_PUBLIC(double) surf_action_get_start_time(surf_action_t action);
657 * @brief Get the finish time of an action
659 * @param action The surf action
660 * @return The finish time in seconds from the beginning of the simulation
662 XBT_PUBLIC(double) surf_action_get_finish_time(surf_action_t action);
665 * @brief Get the remains amount of work to do of an action
667 * @param action The surf action
668 * @return The remains amount of work to do
670 XBT_PUBLIC(double) surf_action_get_remains(surf_action_t action);
673 * @brief Suspend an action
675 * @param action The surf action
677 XBT_PUBLIC(void) surf_action_suspend(surf_action_t action);
680 * @brief Resume an action
682 * @param action The surf action
684 XBT_PUBLIC(void) surf_action_resume(surf_action_t action);
687 * @brief Cancel an action
689 * @param action The surf action
691 XBT_PUBLIC(void) surf_action_cancel(surf_action_t action);
694 * @brief Set the priority of an action
695 * @details [long description]
697 * @param action The surf action
698 * @param priority The new priority [TODO]
700 XBT_PUBLIC(void) surf_action_set_priority(surf_action_t action, double priority);
703 * @brief Set the category of an action
704 * @details [long description]
706 * @param action The surf action
707 * @param category The new category of the action
709 XBT_PUBLIC(void) surf_action_set_category(surf_action_t action, const char *category);
712 * @brief Get the state of an action
714 * @param action The surf action
715 * @return The state of the action
717 XBT_PUBLIC(e_surf_action_state_t) surf_action_get_state(surf_action_t action);
720 * @brief Get the cost of an action
722 * @param action The surf action
723 * @return The cost of the action
725 XBT_PUBLIC(double) surf_action_get_cost(surf_action_t action);
728 * @brief [brief desrciption]
729 * @details [long description]
731 * @param action The surf cpu action
732 * @param cpu [description]
733 * @param mask [description]
735 XBT_PUBLIC(void) surf_cpu_action_set_affinity(surf_action_t action, sg_host_t cpu, unsigned long mask);
738 * @brief [brief description]
739 * @details [long description]
741 * @param action The surf cpu action
742 * @param bound [description]
744 XBT_PUBLIC(void) surf_cpu_action_set_bound(surf_action_t action, double bound);
747 * @brief [brief description]
748 * @details [long description]
750 * @param action The surf network action
752 XBT_PUBLIC(double) surf_network_action_get_latency_limited(surf_action_t action);
755 * @brief Get the file associated to a storage action
757 * @param action The surf storage action
758 * @return The file associated to a storage action
760 XBT_PUBLIC(surf_file_t) surf_storage_action_get_file(surf_action_t action);
763 * @brief Get the result dictionary of an ls action
765 * @param action The surf storage action
766 * @return The dictionry listing a path
768 XBT_PUBLIC(xbt_dict_t) surf_storage_action_get_ls_dict(surf_action_t action);
772 * @brief Get the host the storage is attached to
774 * @param resource The surf storage
775 * @return The host name
778 XBT_PUBLIC(const char * ) surf_storage_get_host(surf_resource_t resource);
780 XBT_PUBLIC(surf_host_model_t) surf_host_get_model(sg_host_t host);
784 /**************************************/
785 /* Implementations of model object */
786 /**************************************/
788 XBT_PUBLIC_DATA(int) autoload_surf_cpu_model;
789 XBT_PUBLIC_DATA(void_f_void_t) surf_cpu_model_init_preparse;
791 /** \ingroup SURF_models
792 * \brief The CPU model object for the physical machine layer
794 XBT_PUBLIC_DATA(surf_cpu_model_t) surf_cpu_model_pm;
796 /** \ingroup SURF_models
797 * \brief The CPU model object for the virtual machine layer
799 XBT_PUBLIC_DATA(surf_cpu_model_t) surf_cpu_model_vm;
802 /** \ingroup SURF_models
803 * \brief Initializes the CPU model with the model Cas01
805 * By default, this model uses the lazy optimization mechanism that
806 * relies on partial invalidation in LMM and a heap for lazy action update.
807 * You can change this behavior by setting the cpu/optim configuration
808 * variable to a different value.
810 * You shouldn't have to call it by yourself.
812 XBT_PUBLIC(void) surf_cpu_model_init_Cas01(void);
814 /** \ingroup SURF_models
815 * \brief Initializes the CPU model with trace integration [Deprecated]
817 * You shouldn't have to call it by yourself.
819 XBT_PUBLIC(void) surf_cpu_model_init_ti(void);
821 /** \ingroup SURF_models
822 * \brief The list of all available optimization modes (both for cpu and networks).
823 * These optimization modes can be set using --cfg=cpu/optim:... and --cfg=network/optim:...
825 XBT_PUBLIC_DATA(s_surf_model_description_t) surf_optimization_mode_description[];
827 /** \ingroup SURF_plugins
828 * \brief The list of all available surf plugins
830 XBT_PUBLIC_DATA(s_surf_model_description_t) surf_plugin_description[];
832 /** \ingroup SURF_models
833 * \brief The list of all available cpu model models
835 XBT_PUBLIC_DATA(s_surf_model_description_t) surf_cpu_model_description[];
837 /**\brief create new host bypass the parser
842 /** \ingroup SURF_models
843 * \brief The network model
845 * When creating a new API on top on SURF, you shouldn't use the
846 * network model unless you know what you are doing. Only the host
847 * model should be accessed because depending on the platform model,
848 * the network model can be NULL.
850 XBT_PUBLIC_DATA(surf_network_model_t) surf_network_model;
852 /** \ingroup SURF_models
853 * \brief Same as network model 'LagrangeVelho', only with different correction factors.
855 * This model is proposed by Pierre-Nicolas Clauss and Martin Quinson and Stéphane Génaud
856 * based on the model 'LV08' and different correction factors depending on the communication
857 * size (< 1KiB, < 64KiB, >= 64KiB).
858 * See comments in the code for more information.
860 * \see surf_host_model_init_SMPI()
862 XBT_PUBLIC(void) surf_network_model_init_SMPI(void);
864 /** \ingroup SURF_models
865 * \brief Same as network model 'LagrangeVelho', only with different correction factors.
867 * This model impelments a variant of the contention model on Infinband networks based on
868 * the works of Jérôme Vienne : http://mescal.imag.fr/membres/jean-marc.vincent/index.html/PhD/Vienne.pdf
870 * \see surf_host_model_init_IB()
872 XBT_PUBLIC(void) surf_network_model_init_IB(void);
874 /** \ingroup SURF_models
875 * \brief Initializes the platform with the network model 'LegrandVelho'
877 * This model is proposed by Arnaud Legrand and Pedro Velho based on
878 * the results obtained with the GTNets simulator for onelink and
879 * dogbone sharing scenarios. See comments in the code for more information.
881 * \see surf_host_model_init_LegrandVelho()
883 XBT_PUBLIC(void) surf_network_model_init_LegrandVelho(void);
885 /** \ingroup SURF_models
886 * \brief Initializes the platform with the network model 'Constant'
888 * In this model, the communication time between two network cards is
889 * constant, hence no need for a routing table. This is particularly
890 * usefull when simulating huge distributed algorithms where
891 * scalability is really an issue. This function is called in
892 * conjunction with surf_host_model_init_compound.
894 * \see surf_host_model_init_compound()
896 XBT_PUBLIC(void) surf_network_model_init_Constant(void);
898 /** \ingroup SURF_models
899 * \brief Initializes the platform with the network model CM02
901 * You sould call this function by yourself only if you plan using
902 * surf_host_model_init_compound.
903 * See comments in the code for more information.
905 XBT_PUBLIC(void) surf_network_model_init_CM02(void);
908 /** \ingroup SURF_models
909 * \brief Initializes the platform with the network model NS3
911 * This function is called by surf_host_model_init_NS3
912 * or by yourself only if you plan using surf_host_model_init_compound
914 * \see surf_host_model_init_NS3()
916 XBT_PUBLIC(void) surf_network_model_init_NS3(void);
919 /** \ingroup SURF_models
920 * \brief Initializes the platform with the network model Reno
922 * The problem is related to max( sum( arctan(C * Df * xi) ) ).
925 * [LOW03] S. H. Low. A duality model of TCP and queue management algorithms.
926 * IEEE/ACM Transaction on Networking, 11(4):525-536, 2003.
928 * Call this function only if you plan using surf_host_model_init_compound.
931 XBT_PUBLIC(void) surf_network_model_init_Reno(void);
933 /** \ingroup SURF_models
934 * \brief Initializes the platform with the network model Reno2
936 * The problem is related to max( sum( arctan(C * Df * xi) ) ).
939 * [LOW01] S. H. Low. A duality model of TCP and queue management algorithms.
940 * IEEE/ACM Transaction on Networking, 11(4):525-536, 2003.
942 * Call this function only if you plan using surf_host_model_init_compound.
945 XBT_PUBLIC(void) surf_network_model_init_Reno2(void);
947 /** \ingroup SURF_models
948 * \brief Initializes the platform with the network model Vegas
950 * This problem is related to max( sum( a * Df * ln(xi) ) ) which is equivalent
951 * to the proportional fairness.
954 * [LOW03] S. H. Low. A duality model of TCP and queue management algorithms.
955 * IEEE/ACM Transaction on Networking, 11(4):525-536, 2003.
957 * Call this function only if you plan using surf_host_model_init_compound.
960 XBT_PUBLIC(void) surf_network_model_init_Vegas(void);
962 /** \ingroup SURF_models
963 * \brief The list of all available network model models
965 XBT_PUBLIC_DATA(s_surf_model_description_t)
966 surf_network_model_description[];
968 /** \ingroup SURF_models
969 * \brief The storage model
971 XBT_PUBLIC(void) surf_storage_model_init_default(void);
973 /** \ingroup SURF_models
974 * \brief The list of all available storage modes.
975 * This storage mode can be set using --cfg=storage/model:...
977 XBT_PUBLIC_DATA(s_surf_model_description_t) surf_storage_model_description[];
979 XBT_PUBLIC_DATA(surf_storage_model_t) surf_storage_model;
981 /** \ingroup SURF_models
982 * \brief The host model
984 * Note that when you create an API on top of SURF,
985 * the host model should be the only one you use
986 * because depending on the platform model, the network model and the CPU model
989 XBT_PUBLIC_DATA(surf_host_model_t) surf_host_model;
991 /** \ingroup SURF_models
992 * \brief The vm model
994 * Note that when you create an API on top of SURF,
995 * the vm model should be the only one you use
996 * because depending on the platform model, the network model and the CPU model
999 XBT_PUBLIC_DATA(surf_vm_model_t) surf_vm_model;
1001 /** \ingroup SURF_models
1002 * \brief Initializes the platform with a compound host model
1004 * This function should be called after a cpu_model and a
1005 * network_model have been set up.
1008 XBT_PUBLIC(void) surf_host_model_init_compound(void);
1010 /** \ingroup SURF_models
1011 * \brief Initializes the platform with the current best network and cpu models at hand
1013 * This platform model separates the host model and the network model.
1014 * The host model will be initialized with the model compound, the network
1015 * model with the model LV08 (with cross traffic support) and the CPU model with
1017 * Such model is subject to modification with warning in the ChangeLog so monitor it!
1020 XBT_PUBLIC(void) surf_host_model_init_current_default(void);
1022 /** \ingroup SURF_models
1023 * \brief Initializes the platform with the model L07
1025 * With this model, only parallel tasks can be used. Resource sharing
1026 * is done by identifying bottlenecks and giving an equal share of
1027 * the model to each action.
1030 XBT_PUBLIC(void) surf_host_model_init_ptask_L07(void);
1032 /** \ingroup SURF_models
1033 * \brief The list of all available host model models
1035 XBT_PUBLIC_DATA(s_surf_model_description_t)
1036 surf_host_model_description[];
1038 /** \ingroup SURF_models
1039 * \brief Initializes the platform with the current best network and cpu models at hand
1041 * This platform model seperates the host model and the network model.
1042 * The host model will be initialized with the model compound, the network
1043 * model with the model LV08 (with cross traffic support) and the CPU model with
1045 * Such model is subject to modification with warning in the ChangeLog so monitor it!
1048 XBT_PUBLIC(void) surf_vm_model_init_HL13(void);
1050 /** \ingroup SURF_models
1051 * \brief The list of all available vm model models
1053 XBT_PUBLIC_DATA(s_surf_model_description_t)
1054 surf_vm_model_description[];
1056 /*******************************************/
1058 /** \ingroup SURF_models
1059 * \brief List of initialized models
1061 XBT_PUBLIC_DATA(xbt_dynar_t) all_existing_models;
1063 /** \ingroup SURF_simulation
1064 * \brief List of hosts that have just restarted and whose autorestart process should be restarted.
1066 XBT_PUBLIC_DATA(xbt_dynar_t) host_that_restart;
1068 /** \ingroup SURF_simulation
1069 * \brief List of hosts for which one want to be notified if they ever restart.
1071 XBT_PUBLIC_DATA(xbt_dict_t) watched_hosts_lib;
1073 /*******************************************/
1074 /*** SURF Platform *************************/
1075 /*******************************************/
1076 XBT_PUBLIC_DATA(AS_t) surf_AS_get_routing_root(void);
1077 XBT_PUBLIC_DATA(const char *) surf_AS_get_name(AS_t as);
1078 XBT_PUBLIC_DATA(AS_t) surf_AS_get_by_name(const char * name);
1079 XBT_PUBLIC_DATA(xbt_dict_t) surf_AS_get_routing_sons(AS_t as);
1080 XBT_PUBLIC_DATA(const char *) surf_AS_get_model(AS_t as);
1081 XBT_PUBLIC_DATA(xbt_dynar_t) surf_AS_get_hosts(AS_t as);
1082 XBT_PUBLIC_DATA(void) surf_AS_get_graph(AS_t as, xbt_graph_t graph, xbt_dict_t nodes, xbt_dict_t edges);
1083 XBT_PUBLIC_DATA(AS_t) surf_platf_get_root(routing_platf_t platf);
1084 XBT_PUBLIC_DATA(e_surf_network_element_type_t) surf_routing_edge_get_rc_type(sg_netcard_t edge);
1086 /*******************************************/
1087 /*** SURF Globals **************************/
1088 /*******************************************/
1090 /** \ingroup SURF_simulation
1091 * \brief Initialize SURF
1092 * \param argc argument number
1093 * \param argv arguments
1095 * This function has to be called to initialize the common
1096 * structures. Then you will have to create the environment by
1098 * e.g. surf_host_model_init_CM02()
1100 * \see surf_host_model_init_CM02(), surf_host_model_init_compound(), surf_exit()
1102 XBT_PUBLIC(void) surf_init(int *argc, char **argv); /* initialize common structures */
1104 /** \ingroup SURF_simulation
1105 * \brief Finish simulation initialization
1107 * This function must be called before the first call to surf_solve()
1109 XBT_PUBLIC(void) surf_presolve(void);
1111 /** \ingroup SURF_simulation
1112 * \brief Performs a part of the simulation
1113 * \param max_date Maximum date to update the simulation to, or -1
1114 * \return the elapsed time, or -1.0 if no event could be executed
1116 * This function execute all possible events, update the action states
1117 * and returns the time elapsed.
1118 * When you call execute or communicate on a model, the corresponding actions
1119 * are not executed immediately but only when you call surf_solve.
1120 * Note that the returned elapsed time can be zero.
1122 XBT_PUBLIC(double) surf_solve(double max_date);
1124 /** \ingroup SURF_simulation
1125 * \brief Return the current time
1127 * Return the current time in millisecond.
1129 XBT_PUBLIC(double) surf_get_clock(void);
1131 /** \ingroup SURF_simulation
1138 XBT_PUBLIC(void) surf_exit(void);
1140 /* Prototypes of the functions that handle the properties */
1141 XBT_PUBLIC_DATA(xbt_dict_t) current_property_set; /* the prop set for the currently parsed element (also used in SIMIX) */
1143 /* The same for model_prop set*/
1144 XBT_PUBLIC_DATA(xbt_dict_t) current_model_property_set;
1146 /* surf parse file related (public because called from a test suite) */
1147 XBT_PUBLIC(void) parse_platform_file(const char *file);
1149 /* For the trace and trace:connect tag (store their content till the end of the parsing) */
1150 XBT_PUBLIC_DATA(xbt_dict_t) traces_set_list;
1151 XBT_PUBLIC_DATA(xbt_dict_t) trace_connect_list_host_avail;
1152 XBT_PUBLIC_DATA(xbt_dict_t) trace_connect_list_power;
1153 XBT_PUBLIC_DATA(xbt_dict_t) trace_connect_list_link_avail;
1154 XBT_PUBLIC_DATA(xbt_dict_t) trace_connect_list_bandwidth;
1155 XBT_PUBLIC_DATA(xbt_dict_t) trace_connect_list_latency;
1158 XBT_PUBLIC(double) get_cpu_speed(const char *power);
1160 XBT_PUBLIC(xbt_dict_t) get_as_router_properties(const char* name);
1162 int surf_get_nthreads(void);
1163 void surf_set_nthreads(int nthreads);
1166 * Returns the initial path. On Windows the initial path is
1167 * the current directory for the current process in the other
1168 * case the function returns "./" that represents the current
1169 * directory on Unix/Linux platforms.
1171 const char *__surf_get_initial_path(void);
1173 /********** Tracing **********/
1174 /* from surf_instr.c */
1175 void TRACE_surf_action(surf_action_t surf_action, const char *category);
1176 void TRACE_surf_alloc(void);
1177 void TRACE_surf_release(void);
1179 /* instr_routing.c */
1180 void instr_routing_define_callbacks (void);
1181 void instr_new_variable_type (const char *new_typename, const char *color);
1182 void instr_new_user_variable_type (const char *father_type, const char *new_typename, const char *color);
1183 void instr_new_user_state_type (const char *father_type, const char *new_typename);
1184 void instr_new_value_for_user_state_type (const char *_typename, const char *value, const char *color);
1185 int instr_platform_traced (void);
1186 xbt_graph_t instr_routing_platform_graph (void);
1187 void instr_routing_platform_graph_export_graphviz (xbt_graph_t g, const char *filename);
1189 /********** Routing **********/
1190 void routing_AS_begin(sg_platf_AS_cbarg_t AS);
1191 void routing_AS_end(void);
1192 surf_NetCard* routing_add_host(surf_As* as, sg_platf_host_cbarg_t host);
1193 void routing_cluster_add_backbone(void* bb);
1194 surf_As* routing_get_current();
1197 #endif /* _SURF_SURF_H */