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/forward.h"
26 /* Actions and models are highly connected structures... */
28 /* user-visible parameters */
29 extern XBT_PRIVATE double sg_tcp_gamma;
30 extern XBT_PRIVATE double sg_sender_gap;
31 extern XBT_PRIVATE double sg_latency_factor;
32 extern XBT_PRIVATE double sg_bandwidth_factor;
33 extern XBT_PRIVATE double sg_weight_S_parameter;
34 extern XBT_PRIVATE int sg_network_crosstraffic;
35 extern XBT_PRIVATE xbt_dynar_t surf_path;
38 SURF_NETWORK_ELEMENT_NULL = 0, /* NULL */
39 SURF_NETWORK_ELEMENT_HOST, /* host type */
40 SURF_NETWORK_ELEMENT_ROUTER, /* router type */
41 SURF_NETWORK_ELEMENT_AS /* AS type */
42 } e_surf_network_element_type_t;
59 class NetworkCm02Link;
62 class StorageActionLmm;
69 typedef simgrid::surf::Model surf_Model;
70 typedef simgrid::surf::CpuModel surf_CpuModel;
71 typedef simgrid::surf::HostModel surf_HostModel;
72 typedef simgrid::surf::VMModel surf_VMModel;
73 typedef simgrid::surf::NetworkModel surf_NetworkModel;
74 typedef simgrid::surf::StorageModel surf_StorageModel;
75 typedef simgrid::surf::Resource surf_Resource;
76 typedef simgrid::surf::ResourceLmm surf_ResourceLmm;
77 typedef simgrid::surf::Host surf_Host;
78 typedef simgrid::surf::HostCLM03 surf_HostCLM03;
79 typedef simgrid::surf::NetworkCm02Link surf_NetworkCm02Link;
80 typedef simgrid::surf::Action surf_Action;
81 typedef simgrid::surf::ActionLmm surf_ActionLmm;
82 typedef simgrid::surf::StorageActionLmm surf_StorageActionLmm;
83 typedef simgrid::surf::RoutingPlatf surf_RoutingPlatf;
87 typedef struct surf_Model surf_Model;
88 typedef struct surf_CpuModel surf_CpuModel;
89 typedef struct surf_HostModel surf_HostModel;
90 typedef struct surf_VMModel surf_VMModel;
91 typedef struct surf_NetworkModel surf_NetworkModel;
92 typedef struct surf_StorageModel surf_StorageModel;
93 typedef struct surf_Resource surf_Resource;
94 typedef struct surf_ResourceLmm surf_ResourceLmm;
95 typedef struct surf_HostCLM03 surf_HostCLM03;
96 typedef struct surf_Host surf_Host;
97 typedef struct surf_NetworkCm02Link surf_NetworkCm02Link;
98 typedef struct surf_Action surf_Action;
99 typedef struct surf_ActionLmm surf_ActionLmm;
100 typedef struct surf_StorageActionLmm surf_StorageActionLmm;
101 typedef struct surf_RoutingPlatf surf_RoutingPlatf;
105 /** @ingroup SURF_c_bindings
106 * \brief Model datatype
108 * Generic data structure for a model. The hosts,
109 * the CPUs and the network links are examples of models.
111 typedef surf_Model *surf_model_t;
112 typedef surf_CpuModel *surf_cpu_model_t;
113 typedef surf_HostModel *surf_host_model_t;
114 typedef surf_VMModel *surf_vm_model_t;
115 typedef surf_NetworkModel *surf_network_model_t;
116 typedef surf_StorageModel *surf_storage_model_t;
118 typedef xbt_dictelm_t surf_resource_t;
119 typedef surf_Resource *surf_cpp_resource_t;
120 typedef surf_Host *surf_host_t;
121 typedef surf_Cpu *surf_cpu_t;
123 /** @ingroup SURF_c_bindings
124 * \brief Action structure
126 * Never create s_surf_action_t by yourself ! The actions are created
127 * on the fly when you call execute or communicate on a model.
129 * \see e_surf_action_state_t
131 typedef surf_Action *surf_action_t;
132 typedef surf_RoutingPlatf *routing_platf_t;
134 typedef struct surf_file *surf_file_t;
136 XBT_PUBLIC(e_surf_network_element_type_t)
137 routing_get_network_element_type(const char* name);
139 /** @Brief Specify that we use that action */
140 XBT_PUBLIC(void) surf_action_ref(surf_action_t action);
142 /** @brief Creates a new action.
144 * @param size The size is the one of the subtype you want to create
145 * @param cost initial value
146 * @param model to which model we should attach this action
147 * @param failed whether we should start this action in failed mode
149 XBT_PUBLIC(void *) surf_action_new(size_t size, double cost,
150 surf_model_t model, int failed);
152 /** \brief Resource model description
154 typedef struct surf_model_description {
156 const char *description;
157 void_f_void_t model_init_preparse;
158 } s_surf_model_description_t, *surf_model_description_t;
160 XBT_PUBLIC(int) find_model_description(s_surf_model_description_t * table,
162 XBT_PUBLIC(void) model_help(const char *category,
163 s_surf_model_description_t * table);
165 /** @ingroup SURF_interface
166 * @brief Action states
171 SURF_ACTION_READY = 0, /**< Ready */
172 SURF_ACTION_RUNNING, /**< Running */
173 SURF_ACTION_FAILED, /**< Task Failure */
174 SURF_ACTION_DONE, /**< Completed */
175 SURF_ACTION_TO_FREE, /**< Action to free in next cleanup */
176 SURF_ACTION_NOT_IN_THE_SYSTEM /**< Not in the system anymore. Why did you ask ? */
177 } e_surf_action_state_t;
179 /** @ingroup SURF_vm_interface
183 /* FIXME: Where should the VM state be defined? */
185 SURF_VM_STATE_CREATED, /**< created, but not yet started */
186 SURF_VM_STATE_RUNNING,
187 SURF_VM_STATE_SUSPENDED, /**< Suspend/resume does not involve disk I/O, so we assume there is no transition states. */
189 SURF_VM_STATE_SAVING, /**< Save/restore involves disk I/O, so there should be transition states. */
191 SURF_VM_STATE_RESTORING,
194 /***************************/
195 /* Generic model object */
196 /***************************/
198 XBT_PUBLIC_DATA(routing_platf_t) routing_platf;
200 XBT_PUBLIC(surf_host_t) surf_host_resource_priv(sg_host_t host);
202 static inline void *surf_storage_resource_priv(const void *storage){
203 return (void*)xbt_lib_get_level((xbt_dictelm_t)storage, SURF_STORAGE_LEVEL);
206 static inline void *surf_storage_resource_by_name(const char *name){
207 return xbt_lib_get_elm_or_null(storage_lib, name);
210 /** @{ @ingroup SURF_c_bindings */
213 * @brief Pop an action from the done actions set
215 * @param model The model from which the action is extracted
216 * @return An action in done state
218 XBT_PUBLIC(surf_action_t) surf_model_extract_done_action_set(surf_model_t model);
221 * @brief Pop an action from the failed actions set
223 * @param model The model from which the action is extracted
224 * @return An action in failed state
226 XBT_PUBLIC(surf_action_t) surf_model_extract_failed_action_set(surf_model_t model);
229 * @brief Pop an action from the ready actions set
231 * @param model The model from which the action is extracted
232 * @return An action in ready state
234 XBT_PUBLIC(surf_action_t) surf_model_extract_ready_action_set(surf_model_t model);
237 * @brief Pop an action from the running actions set
239 * @param model The model from which the action is extracted
240 * @return An action in running state
242 XBT_PUBLIC(surf_action_t) surf_model_extract_running_action_set(surf_model_t model);
245 * @brief Get the size of the running action set of a model
247 * @param model The model
248 * @return The size of the running action set
250 XBT_PUBLIC(int) surf_model_running_action_set_size(surf_model_t model);
253 * @brief Execute a parallel task
254 * @details [long description]
256 * @param model The model which handle the parallelisation
257 * @param host_nb The number of hosts
258 * @param host_list The list of hosts on which the task is executed
259 * @param flops_amount The processing amount (in flop) needed to process
260 * @param bytes_amount The amount of data (in bytes) needed to transfer
261 * @param rate [description]
262 * @return The action corresponding to the parallele execution task
264 XBT_PUBLIC(surf_action_t) surf_host_model_execute_parallel_task(surf_host_model_t model,
266 sg_host_t *host_list,
267 double *flops_amount,
268 double *bytes_amount,
271 /** @brief Get the route (dynar of sg_link_t) between two hosts */
272 XBT_PUBLIC(xbt_dynar_t) surf_host_model_get_route(
273 surf_host_model_t model, sg_host_t src, sg_host_t dst);
275 /** @brief Create a new VM on the specified host */
276 XBT_PUBLIC(void) surf_vm_model_create(const char *name, sg_host_t host_PM);
278 /** @brief Create a communication between two hosts
280 * @param model The model which handle the communication
281 * @param src The source host
282 * @param dst The destination host
283 * @param size The amount of data (in bytes) needed to transfer
284 * @param rate [description]
285 * @return The action corresponding to the communication
287 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);
290 * @brief Get the name of a surf resource (cpu, host, network, …)
292 * @param resource The surf resource
293 * @return The name of the surf resource
295 XBT_PUBLIC(const char * ) surf_resource_name(surf_cpp_resource_t resource);
296 static inline const char * surf_cpu_name(surf_cpu_t cpu) {
297 return surf_resource_name((surf_cpp_resource_t)cpu);
300 /** @brief Get the properties of an host */
301 XBT_PUBLIC(xbt_dict_t) sg_host_get_properties(sg_host_t host);
303 /** @brief Get the available speed of cpu associated to a host */
304 XBT_PUBLIC(double) surf_host_get_available_speed(sg_host_t host);
306 /** @brief Create a sleep action on the given host */
307 XBT_PUBLIC(surf_action_t) surf_host_sleep(sg_host_t host, double duration);
309 /** @brief Create a file opening action on the given host */
310 XBT_PUBLIC(surf_action_t) surf_host_open(sg_host_t host, const char* fullpath);
312 /** @brief Create a file closing action on the given host */
313 XBT_PUBLIC(surf_action_t) surf_host_close(sg_host_t host, surf_file_t fd);
315 /** @brief Create a file reading action on the given host */
316 XBT_PUBLIC(surf_action_t) surf_host_read(sg_host_t host, surf_file_t fd, sg_size_t size);
318 /** @brief Create a file writing action on the given host */
319 XBT_PUBLIC(surf_action_t) surf_host_write(sg_host_t host, surf_file_t fd, sg_size_t size);
322 * @brief Get the informations of a file descriptor
323 * @details The returned xbt_dynar_t contains:
324 * - the size of the file,
326 * - the storage name,
327 * - the storage typeId,
328 * - the storage content type
330 * @param host The surf host
331 * @param fd The file descriptor
332 * @return An xbt_dynar_t with the file informations
334 XBT_PUBLIC(xbt_dynar_t) surf_host_get_info(sg_host_t host, surf_file_t fd);
337 * @brief Get the available space of the storage at the mount point
339 * @param resource The surf host
340 * @param name The mount point
341 * @return The amount of available space in bytes
343 XBT_PUBLIC(sg_size_t) surf_host_get_free_size(sg_host_t resource, const char* name);
346 * @brief Get the used space of the storage at the mount point
348 * @param resource The surf host
349 * @param name The mount point
350 * @return The amount of used space in bytes
352 XBT_PUBLIC(sg_size_t) surf_host_get_used_size(sg_host_t resource, const char* name);
354 /** @brief Get the list of VMs hosted on the host */
355 XBT_PUBLIC(xbt_dynar_t) surf_host_get_vms(sg_host_t resource);
357 /** @brief Retrieve the params of that VM
358 * @details You can use fields ramsize and overcommit on a PM, too.
360 XBT_PUBLIC(void) surf_host_get_params(sg_host_t resource, vm_params_t params);
362 /** @brief Sets the params of that VM/PM
363 * @details You can use fields ramsize and overcommit on a PM, too.
365 XBT_PUBLIC(void) surf_host_set_params(sg_host_t resource, vm_params_t params);
368 * @brief Destroy a VM
370 * @param resource The surf vm
372 XBT_PUBLIC(void) surf_vm_destroy(sg_host_t resource);
374 /** @brief Suspend a VM */
375 XBT_PUBLIC(void) surf_vm_suspend(sg_host_t resource);
377 /** @brief Resume a VM */
378 XBT_PUBLIC(void) surf_vm_resume(sg_host_t resource);
381 * @brief Save the VM (Not yet implemented)
383 * @param resource The surf vm
385 XBT_PUBLIC(void) surf_vm_save(sg_host_t resource);
388 * @brief Restore the VM (Not yet implemented)
390 * @param resource The surf vm
392 XBT_PUBLIC(void) surf_vm_restore(sg_host_t resource);
395 * @brief Migrate the VM to the destination host
397 * @param resource The surf vm
398 * @param ind_vm_ws_dest The destination host
400 XBT_PUBLIC(void) surf_vm_migrate(sg_host_t resource, sg_host_t ind_vm_ws_dest);
403 * @brief Get the physical machine hosting the VM
405 * @param resource The surf vm
406 * @return The physical machine hosting the VM
408 XBT_PUBLIC(sg_host_t) surf_vm_get_pm(sg_host_t resource);
411 * @brief [brief description]
412 * @details [long description]
414 * @param resource [description]
415 * @param bound [description]
417 XBT_PUBLIC(void) surf_vm_set_bound(sg_host_t resource, double bound);
420 * @brief [brief description]
421 * @details [long description]
423 * @param resource [description]
424 * @param cpu [description]
425 * @param mask [description]
427 XBT_PUBLIC(void) surf_vm_set_affinity(sg_host_t resource, sg_host_t cpu, unsigned long mask);
430 * @brief Get the host power peak
431 * @details [long description]
433 * @param host The surf host
434 * @return The power peak
436 XBT_PUBLIC(double) surf_host_get_current_power_peak(sg_host_t host);
439 * @brief [brief description]
440 * @details [long description]
442 * @param host [description]
443 * @param pstate_index [description]
445 * @return [description]
447 XBT_PUBLIC(double) surf_host_get_power_peak_at(sg_host_t host, int pstate_index);
450 * @brief Get the list of storages mounted on an host
452 * @param host The surf host
453 * @return Dictionary of mount point, Storage
455 XBT_PUBLIC(xbt_dict_t) surf_host_get_mounted_storage_list(sg_host_t host);
458 * @brief Get the list of storages attached to an host
460 * @param host The surf host
461 * @return Dictionary of storage
463 XBT_PUBLIC(xbt_dynar_t) surf_host_get_attached_storage_list(sg_host_t host);
466 * @brief Unlink a file descriptor
468 * @param host The surf host
469 * @param fd The file descriptor
471 * @return 0 if failed to unlink, 1 otherwise
473 XBT_PUBLIC(int) surf_host_unlink(sg_host_t host, surf_file_t fd);
476 * @brief Get the size of a file on a host
478 * @param host The surf host
479 * @param fd The file descriptor
481 * @return The size in bytes of the file
483 XBT_PUBLIC(size_t) surf_host_get_size(sg_host_t host, surf_file_t fd);
486 * @brief Get the current position of the file descriptor
488 * @param host The surf host
489 * @param fd The file descriptor
490 * @return The current position of the file descriptor
492 XBT_PUBLIC(size_t) surf_host_file_tell(sg_host_t host, surf_file_t fd);
495 * @brief Move a file to another location on the *same mount point*.
496 * @details [long description]
498 * @param host The surf host
499 * @param fd The file descriptor
500 * @param fullpath The new full path
502 * @return MSG_OK if successful, otherwise MSG_TASK_CANCELED
504 XBT_PUBLIC(int) surf_host_file_move(sg_host_t host, surf_file_t fd, const char* fullpath);
507 * @brief Set the position indictator assiociated with the file descriptor to a new position
508 * @details [long description]
510 * @param host The surf host
511 * @param fd The file descriptor
512 * @param offset The offset from the origin
513 * @param origin Position used as a reference for the offset
514 * - SEEK_SET: beginning of the file
515 * - SEEK_CUR: current position indicator
516 * - SEEK_END: end of the file
517 * @return MSG_OK if successful, otherwise MSG_TASK_CANCELED
519 XBT_PUBLIC(int) surf_host_file_seek(sg_host_t host,
520 surf_file_t fd, sg_offset_t offset,
524 * @brief Get the content of a storage
526 * @param resource The surf storage
527 * @return A xbt_dict_t with path as keys and size in bytes as values
529 XBT_PUBLIC(xbt_dict_t) surf_storage_get_content(surf_resource_t resource);
532 * @brief Get the size in bytes of a storage
534 * @param resource The surf storage
535 * @return The size in bytes of the storage
537 XBT_PUBLIC(sg_size_t) surf_storage_get_size(surf_resource_t resource);
540 * @brief Get the available size in bytes of a storage
542 * @param resource The surf storage
543 * @return The available size in bytes of the storage
545 XBT_PUBLIC(sg_size_t) surf_storage_get_free_size(surf_resource_t resource);
548 * @brief Get the size in bytes of a storage
550 * @param resource The surf storage
551 * @return The used size in bytes of the storage
553 XBT_PUBLIC(sg_size_t) surf_storage_get_used_size(surf_resource_t resource);
555 /** @brief return the properties set associated to that storage */
556 XBT_PUBLIC(xbt_dict_t) surf_storage_get_properties(surf_resource_t resource);
559 * @brief Get the data associated to the action
561 * @param action The surf action
562 * @return The data associated to the action
564 XBT_PUBLIC(void*) surf_action_get_data(surf_action_t action);
567 * @brief Set the data associated to the action
568 * @details [long description]
570 * @param action The surf action
571 * @param data The new data associated to the action
573 XBT_PUBLIC(void) surf_action_set_data(surf_action_t action, void *data);
576 * @brief Get the start time of an action
578 * @param action The surf action
579 * @return The start time in seconds from the beginning of the simulation
581 XBT_PUBLIC(double) surf_action_get_start_time(surf_action_t action);
584 * @brief Get the finish time of an action
586 * @param action The surf action
587 * @return The finish time in seconds from the beginning of the simulation
589 XBT_PUBLIC(double) surf_action_get_finish_time(surf_action_t action);
592 * @brief Get the remains amount of work to do of an action
594 * @param action The surf action
595 * @return The remains amount of work to do
597 XBT_PUBLIC(double) surf_action_get_remains(surf_action_t action);
600 * @brief Suspend an action
602 * @param action The surf action
604 XBT_PUBLIC(void) surf_action_suspend(surf_action_t action);
607 * @brief Resume an action
609 * @param action The surf action
611 XBT_PUBLIC(void) surf_action_resume(surf_action_t action);
614 * @brief Cancel an action
616 * @param action The surf action
618 XBT_PUBLIC(void) surf_action_cancel(surf_action_t action);
621 * @brief Set the priority of an action
622 * @details [long description]
624 * @param action The surf action
625 * @param priority The new priority [TODO]
627 XBT_PUBLIC(void) surf_action_set_priority(surf_action_t action, double priority);
630 * @brief Set the category of an action
631 * @details [long description]
633 * @param action The surf action
634 * @param category The new category of the action
636 XBT_PUBLIC(void) surf_action_set_category(surf_action_t action, const char *category);
639 * @brief Get the state of an action
641 * @param action The surf action
642 * @return The state of the action
644 XBT_PUBLIC(e_surf_action_state_t) surf_action_get_state(surf_action_t action);
647 * @brief Get the cost of an action
649 * @param action The surf action
650 * @return The cost of the action
652 XBT_PUBLIC(double) surf_action_get_cost(surf_action_t action);
655 * @brief [brief desrciption]
656 * @details [long description]
658 * @param action The surf cpu action
659 * @param cpu [description]
660 * @param mask [description]
662 XBT_PUBLIC(void) surf_cpu_action_set_affinity(surf_action_t action, sg_host_t cpu, unsigned long mask);
665 * @brief [brief description]
666 * @details [long description]
668 * @param action The surf cpu action
669 * @param bound [description]
671 XBT_PUBLIC(void) surf_cpu_action_set_bound(surf_action_t action, double bound);
674 * @brief [brief description]
675 * @details [long description]
677 * @param action The surf network action
679 XBT_PUBLIC(double) surf_network_action_get_latency_limited(surf_action_t action);
682 * @brief Get the file associated to a storage action
684 * @param action The surf storage action
685 * @return The file associated to a storage action
687 XBT_PUBLIC(surf_file_t) surf_storage_action_get_file(surf_action_t action);
690 * @brief Get the result dictionary of an ls action
692 * @param action The surf storage action
693 * @return The dictionry listing a path
695 XBT_PUBLIC(xbt_dict_t) surf_storage_action_get_ls_dict(surf_action_t action);
699 * @brief Get the host the storage is attached to
701 * @param resource The surf storage
702 * @return The host name
705 XBT_PUBLIC(const char * ) surf_storage_get_host(surf_resource_t resource);
707 XBT_PUBLIC(surf_host_model_t) surf_host_get_model(sg_host_t host);
711 /**************************************/
712 /* Implementations of model object */
713 /**************************************/
715 XBT_PUBLIC_DATA(int) autoload_surf_cpu_model;
716 XBT_PUBLIC_DATA(void_f_void_t) surf_cpu_model_init_preparse;
718 /** \ingroup SURF_models
719 * \brief The CPU model object for the physical machine layer
721 XBT_PUBLIC_DATA(surf_cpu_model_t) surf_cpu_model_pm;
723 /** \ingroup SURF_models
724 * \brief The CPU model object for the virtual machine layer
726 XBT_PUBLIC_DATA(surf_cpu_model_t) surf_cpu_model_vm;
729 /** \ingroup SURF_models
730 * \brief Initializes the CPU model with the model Cas01
732 * By default, this model uses the lazy optimization mechanism that
733 * relies on partial invalidation in LMM and a heap for lazy action update.
734 * You can change this behavior by setting the cpu/optim configuration
735 * variable to a different value.
737 * You shouldn't have to call it by yourself.
739 XBT_PUBLIC(void) surf_cpu_model_init_Cas01(void);
741 /** \ingroup SURF_models
742 * \brief Initializes the CPU model with trace integration [Deprecated]
744 * You shouldn't have to call it by yourself.
746 XBT_PUBLIC(void) surf_cpu_model_init_ti(void);
748 /** \ingroup SURF_models
749 * \brief The list of all available optimization modes (both for cpu and networks).
750 * These optimization modes can be set using --cfg=cpu/optim:... and --cfg=network/optim:...
752 XBT_PUBLIC_DATA(s_surf_model_description_t) surf_optimization_mode_description[];
754 /** \ingroup SURF_plugins
755 * \brief The list of all available surf plugins
757 XBT_PUBLIC_DATA(s_surf_model_description_t) surf_plugin_description[];
759 /** \ingroup SURF_models
760 * \brief The list of all available cpu model models
762 XBT_PUBLIC_DATA(s_surf_model_description_t) surf_cpu_model_description[];
764 /**\brief create new host bypass the parser
769 /** \ingroup SURF_models
770 * \brief The network model
772 * When creating a new API on top on SURF, you shouldn't use the
773 * network model unless you know what you are doing. Only the host
774 * model should be accessed because depending on the platform model,
775 * the network model can be NULL.
777 XBT_PUBLIC_DATA(surf_network_model_t) surf_network_model;
779 /** \ingroup SURF_models
780 * \brief Same as network model 'LagrangeVelho', only with different correction factors.
782 * This model is proposed by Pierre-Nicolas Clauss and Martin Quinson and Stéphane Génaud
783 * based on the model 'LV08' and different correction factors depending on the communication
784 * size (< 1KiB, < 64KiB, >= 64KiB).
785 * See comments in the code for more information.
787 * \see surf_host_model_init_SMPI()
789 XBT_PUBLIC(void) surf_network_model_init_SMPI(void);
791 /** \ingroup SURF_models
792 * \brief Same as network model 'LagrangeVelho', only with different correction factors.
794 * This model impelments a variant of the contention model on Infinband networks based on
795 * the works of Jérôme Vienne : http://mescal.imag.fr/membres/jean-marc.vincent/index.html/PhD/Vienne.pdf
797 * \see surf_host_model_init_IB()
799 XBT_PUBLIC(void) surf_network_model_init_IB(void);
801 /** \ingroup SURF_models
802 * \brief Initializes the platform with the network model 'LegrandVelho'
804 * This model is proposed by Arnaud Legrand and Pedro Velho based on
805 * the results obtained with the GTNets simulator for onelink and
806 * dogbone sharing scenarios. See comments in the code for more information.
808 * \see surf_host_model_init_LegrandVelho()
810 XBT_PUBLIC(void) surf_network_model_init_LegrandVelho(void);
812 /** \ingroup SURF_models
813 * \brief Initializes the platform with the network model 'Constant'
815 * In this model, the communication time between two network cards is
816 * constant, hence no need for a routing table. This is particularly
817 * usefull when simulating huge distributed algorithms where
818 * scalability is really an issue. This function is called in
819 * conjunction with surf_host_model_init_compound.
821 * \see surf_host_model_init_compound()
823 XBT_PUBLIC(void) surf_network_model_init_Constant(void);
825 /** \ingroup SURF_models
826 * \brief Initializes the platform with the network model CM02
828 * You sould call this function by yourself only if you plan using
829 * surf_host_model_init_compound.
830 * See comments in the code for more information.
832 XBT_PUBLIC(void) surf_network_model_init_CM02(void);
835 /** \ingroup SURF_models
836 * \brief Initializes the platform with the network model NS3
838 * This function is called by surf_host_model_init_NS3
839 * or by yourself only if you plan using surf_host_model_init_compound
841 * \see surf_host_model_init_NS3()
843 XBT_PUBLIC(void) surf_network_model_init_NS3(void);
846 /** \ingroup SURF_models
847 * \brief Initializes the platform with the network model Reno
849 * The problem is related to max( sum( arctan(C * Df * xi) ) ).
852 * [LOW03] S. H. Low. A duality model of TCP and queue management algorithms.
853 * IEEE/ACM Transaction on Networking, 11(4):525-536, 2003.
855 * Call this function only if you plan using surf_host_model_init_compound.
858 XBT_PUBLIC(void) surf_network_model_init_Reno(void);
860 /** \ingroup SURF_models
861 * \brief Initializes the platform with the network model Reno2
863 * The problem is related to max( sum( arctan(C * Df * xi) ) ).
866 * [LOW01] S. H. Low. A duality model of TCP and queue management algorithms.
867 * IEEE/ACM Transaction on Networking, 11(4):525-536, 2003.
869 * Call this function only if you plan using surf_host_model_init_compound.
872 XBT_PUBLIC(void) surf_network_model_init_Reno2(void);
874 /** \ingroup SURF_models
875 * \brief Initializes the platform with the network model Vegas
877 * This problem is related to max( sum( a * Df * ln(xi) ) ) which is equivalent
878 * to the proportional fairness.
881 * [LOW03] S. H. Low. A duality model of TCP and queue management algorithms.
882 * IEEE/ACM Transaction on Networking, 11(4):525-536, 2003.
884 * Call this function only if you plan using surf_host_model_init_compound.
887 XBT_PUBLIC(void) surf_network_model_init_Vegas(void);
889 /** \ingroup SURF_models
890 * \brief The list of all available network model models
892 XBT_PUBLIC_DATA(s_surf_model_description_t)
893 surf_network_model_description[];
895 /** \ingroup SURF_models
896 * \brief The storage model
898 XBT_PUBLIC(void) surf_storage_model_init_default(void);
900 /** \ingroup SURF_models
901 * \brief The list of all available storage modes.
902 * This storage mode can be set using --cfg=storage/model:...
904 XBT_PUBLIC_DATA(s_surf_model_description_t) surf_storage_model_description[];
906 XBT_PUBLIC_DATA(surf_storage_model_t) surf_storage_model;
908 /** \ingroup SURF_models
909 * \brief The host model
911 * Note that when you create an API on top of SURF,
912 * the host model should be the only one you use
913 * because depending on the platform model, the network model and the CPU model
916 XBT_PUBLIC_DATA(surf_host_model_t) surf_host_model;
918 /** \ingroup SURF_models
919 * \brief The vm model
921 * Note that when you create an API on top of SURF,
922 * the vm model should be the only one you use
923 * because depending on the platform model, the network model and the CPU model
926 XBT_PUBLIC_DATA(surf_vm_model_t) surf_vm_model;
928 /** \ingroup SURF_models
929 * \brief Initializes the platform with a compound host model
931 * This function should be called after a cpu_model and a
932 * network_model have been set up.
935 XBT_PUBLIC(void) surf_host_model_init_compound(void);
937 /** \ingroup SURF_models
938 * \brief Initializes the platform with the current best network and cpu models at hand
940 * This platform model separates the host model and the network model.
941 * The host model will be initialized with the model compound, the network
942 * model with the model LV08 (with cross traffic support) and the CPU model with
944 * Such model is subject to modification with warning in the ChangeLog so monitor it!
947 XBT_PUBLIC(void) surf_host_model_init_current_default(void);
949 /** \ingroup SURF_models
950 * \brief Initializes the platform with the model L07
952 * With this model, only parallel tasks can be used. Resource sharing
953 * is done by identifying bottlenecks and giving an equal share of
954 * the model to each action.
957 XBT_PUBLIC(void) surf_host_model_init_ptask_L07(void);
959 /** \ingroup SURF_models
960 * \brief The list of all available host model models
962 XBT_PUBLIC_DATA(s_surf_model_description_t)
963 surf_host_model_description[];
965 /** \ingroup SURF_models
966 * \brief Initializes the platform with the current best network and cpu models at hand
968 * This platform model seperates the host model and the network model.
969 * The host model will be initialized with the model compound, the network
970 * model with the model LV08 (with cross traffic support) and the CPU model with
972 * Such model is subject to modification with warning in the ChangeLog so monitor it!
975 XBT_PUBLIC(void) surf_vm_model_init_HL13(void);
977 /** \ingroup SURF_models
978 * \brief The list of all available vm model models
980 XBT_PUBLIC_DATA(s_surf_model_description_t)
981 surf_vm_model_description[];
983 /*******************************************/
985 /** \ingroup SURF_models
986 * \brief List of initialized models
988 XBT_PUBLIC_DATA(xbt_dynar_t) all_existing_models;
990 /** \ingroup SURF_simulation
991 * \brief List of hosts that have just restarted and whose autorestart process should be restarted.
993 XBT_PUBLIC_DATA(xbt_dynar_t) host_that_restart;
995 /** \ingroup SURF_simulation
996 * \brief List of hosts for which one want to be notified if they ever restart.
998 XBT_PUBLIC_DATA(xbt_dict_t) watched_hosts_lib;
1000 /*******************************************/
1001 /*** SURF Platform *************************/
1002 /*******************************************/
1003 XBT_PUBLIC_DATA(AS_t) surf_AS_get_routing_root(void);
1004 XBT_PUBLIC_DATA(const char *) surf_AS_get_name(AS_t as);
1005 XBT_PUBLIC_DATA(AS_t) surf_AS_get_by_name(const char * name);
1006 XBT_PUBLIC_DATA(xbt_dict_t) surf_AS_get_routing_sons(AS_t as);
1007 XBT_PUBLIC_DATA(const char *) surf_AS_get_model(AS_t as);
1008 XBT_PUBLIC_DATA(xbt_dynar_t) surf_AS_get_hosts(AS_t as);
1009 XBT_PUBLIC_DATA(void) surf_AS_get_graph(AS_t as, xbt_graph_t graph, xbt_dict_t nodes, xbt_dict_t edges);
1010 XBT_PUBLIC_DATA(AS_t) surf_platf_get_root(routing_platf_t platf);
1011 XBT_PUBLIC_DATA(e_surf_network_element_type_t) surf_routing_edge_get_rc_type(sg_netcard_t edge);
1013 /*******************************************/
1014 /*** SURF Globals **************************/
1015 /*******************************************/
1017 /** \ingroup SURF_simulation
1018 * \brief Initialize SURF
1019 * \param argc argument number
1020 * \param argv arguments
1022 * This function has to be called to initialize the common
1023 * structures. Then you will have to create the environment by
1025 * e.g. surf_host_model_init_CM02()
1027 * \see surf_host_model_init_CM02(), surf_host_model_init_compound(), surf_exit()
1029 XBT_PUBLIC(void) surf_init(int *argc, char **argv); /* initialize common structures */
1031 /** \ingroup SURF_simulation
1032 * \brief Finish simulation initialization
1034 * This function must be called before the first call to surf_solve()
1036 XBT_PUBLIC(void) surf_presolve(void);
1038 /** \ingroup SURF_simulation
1039 * \brief Performs a part of the simulation
1040 * \param max_date Maximum date to update the simulation to, or -1
1041 * \return the elapsed time, or -1.0 if no event could be executed
1043 * This function execute all possible events, update the action states
1044 * and returns the time elapsed.
1045 * When you call execute or communicate on a model, the corresponding actions
1046 * are not executed immediately but only when you call surf_solve.
1047 * Note that the returned elapsed time can be zero.
1049 XBT_PUBLIC(double) surf_solve(double max_date);
1051 /** \ingroup SURF_simulation
1052 * \brief Return the current time
1054 * Return the current time in millisecond.
1056 XBT_PUBLIC(double) surf_get_clock(void);
1058 /** \ingroup SURF_simulation
1065 XBT_PUBLIC(void) surf_exit(void);
1067 /* Prototypes of the functions that handle the properties */
1068 XBT_PUBLIC_DATA(xbt_dict_t) current_property_set; /* the prop set for the currently parsed element (also used in SIMIX) */
1070 /* The same for model_prop set*/
1071 XBT_PUBLIC_DATA(xbt_dict_t) current_model_property_set;
1073 /* surf parse file related (public because called from a test suite) */
1074 XBT_PUBLIC(void) parse_platform_file(const char *file);
1076 /* For the trace and trace:connect tag (store their content till the end of the parsing) */
1077 XBT_PUBLIC_DATA(xbt_dict_t) traces_set_list;
1078 XBT_PUBLIC_DATA(xbt_dict_t) trace_connect_list_host_avail;
1079 XBT_PUBLIC_DATA(xbt_dict_t) trace_connect_list_power;
1080 XBT_PUBLIC_DATA(xbt_dict_t) trace_connect_list_link_avail;
1081 XBT_PUBLIC_DATA(xbt_dict_t) trace_connect_list_bandwidth;
1082 XBT_PUBLIC_DATA(xbt_dict_t) trace_connect_list_latency;
1085 XBT_PUBLIC(double) get_cpu_speed(const char *power);
1087 XBT_PUBLIC(xbt_dict_t) get_as_router_properties(const char* name);
1089 int surf_get_nthreads(void);
1090 void surf_set_nthreads(int nthreads);
1093 * Returns the initial path. On Windows the initial path is
1094 * the current directory for the current process in the other
1095 * case the function returns "./" that represents the current
1096 * directory on Unix/Linux platforms.
1098 const char *__surf_get_initial_path(void);
1100 /********** Tracing **********/
1101 /* from surf_instr.c */
1102 void TRACE_surf_action(surf_action_t surf_action, const char *category);
1103 void TRACE_surf_alloc(void);
1104 void TRACE_surf_release(void);
1106 /* instr_routing.c */
1107 void instr_routing_define_callbacks (void);
1108 void instr_new_variable_type (const char *new_typename, const char *color);
1109 void instr_new_user_variable_type (const char *father_type, const char *new_typename, const char *color);
1110 void instr_new_user_state_type (const char *father_type, const char *new_typename);
1111 void instr_new_value_for_user_state_type (const char *_typename, const char *value, const char *color);
1112 int instr_platform_traced (void);
1113 xbt_graph_t instr_routing_platform_graph (void);
1114 void instr_routing_platform_graph_export_graphviz (xbt_graph_t g, const char *filename);
1116 /********** Routing **********/
1117 void routing_AS_begin(sg_platf_AS_cbarg_t AS);
1118 void routing_AS_end(void);
1119 surf_NetCard* routing_add_host(surf_As* as, sg_platf_host_cbarg_t host);
1120 void routing_cluster_add_backbone(void* bb);
1121 surf_As* routing_get_current();
1124 #endif /* _SURF_SURF_H */