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 /** @Brief Specify that we use that action */
137 XBT_PUBLIC(void) surf_action_ref(surf_action_t action);
139 /** @brief Creates a new action.
141 * @param size The size is the one of the subtype you want to create
142 * @param cost initial value
143 * @param model to which model we should attach this action
144 * @param failed whether we should start this action in failed mode
146 XBT_PUBLIC(void *) surf_action_new(size_t size, double cost,
147 surf_model_t model, int failed);
149 /** \brief Resource model description
151 typedef struct surf_model_description {
153 const char *description;
154 void_f_void_t model_init_preparse;
155 } s_surf_model_description_t, *surf_model_description_t;
157 XBT_PUBLIC(int) find_model_description(s_surf_model_description_t * table,
159 XBT_PUBLIC(void) model_help(const char *category,
160 s_surf_model_description_t * table);
162 /** @ingroup SURF_interface
163 * @brief Action states
168 SURF_ACTION_READY = 0, /**< Ready */
169 SURF_ACTION_RUNNING, /**< Running */
170 SURF_ACTION_FAILED, /**< Task Failure */
171 SURF_ACTION_DONE, /**< Completed */
172 SURF_ACTION_TO_FREE, /**< Action to free in next cleanup */
173 SURF_ACTION_NOT_IN_THE_SYSTEM /**< Not in the system anymore. Why did you ask ? */
174 } e_surf_action_state_t;
176 /** @ingroup SURF_vm_interface
180 /* FIXME: Where should the VM state be defined? */
182 SURF_VM_STATE_CREATED, /**< created, but not yet started */
183 SURF_VM_STATE_RUNNING,
184 SURF_VM_STATE_SUSPENDED, /**< Suspend/resume does not involve disk I/O, so we assume there is no transition states. */
186 SURF_VM_STATE_SAVING, /**< Save/restore involves disk I/O, so there should be transition states. */
188 SURF_VM_STATE_RESTORING,
191 /***************************/
192 /* Generic model object */
193 /***************************/
195 XBT_PUBLIC_DATA(routing_platf_t) routing_platf;
197 static inline void *surf_storage_resource_priv(const void *storage){
198 return (void*)xbt_lib_get_level((xbt_dictelm_t)storage, SURF_STORAGE_LEVEL);
201 static inline void *surf_storage_resource_by_name(const char *name){
202 return xbt_lib_get_elm_or_null(storage_lib, name);
205 /** @{ @ingroup SURF_c_bindings */
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 Get the size of the running action set of a model
226 * @param model The model
227 * @return The size of the running action set
229 XBT_PUBLIC(int) surf_model_running_action_set_size(surf_model_t model);
231 /** @brief Get the route (dynar of sg_link_t) between two hosts */
232 XBT_PUBLIC(xbt_dynar_t) surf_host_model_get_route(
233 surf_host_model_t model, sg_host_t src, sg_host_t dst);
235 /** @brief Create a new VM on the specified host */
236 XBT_PUBLIC(void) surf_vm_model_create(const char *name, sg_host_t host_PM);
238 /** @brief Create a communication between two hosts
240 * @param model The model which handle the communication
241 * @param src The source host
242 * @param dst The destination host
243 * @param size The amount of data (in bytes) needed to transfer
244 * @param rate [description]
245 * @return The action corresponding to the communication
247 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);
250 * @brief Get the name of a surf resource (cpu, host, network, …)
252 * @param resource The surf resource
253 * @return The name of the surf resource
255 XBT_PUBLIC(const char * ) surf_resource_name(surf_cpp_resource_t resource);
256 static inline const char * surf_cpu_name(surf_cpu_t cpu) {
257 return surf_resource_name((surf_cpp_resource_t)cpu);
260 /** @brief Get the available speed of cpu associated to a host */
261 XBT_PUBLIC(double) surf_host_get_available_speed(sg_host_t host);
263 /** @brief Create a sleep action on the given host */
264 XBT_PUBLIC(surf_action_t) surf_host_sleep(sg_host_t host, double duration);
266 /** @brief Create a file opening action on the given host */
267 XBT_PUBLIC(surf_action_t) surf_host_open(sg_host_t host, const char* fullpath);
269 /** @brief Create a file closing action on the given host */
270 XBT_PUBLIC(surf_action_t) surf_host_close(sg_host_t host, surf_file_t fd);
272 /** @brief Create a file reading action on the given host */
273 XBT_PUBLIC(surf_action_t) surf_host_read(sg_host_t host, surf_file_t fd, sg_size_t size);
275 /** @brief Create a file writing action on the given host */
276 XBT_PUBLIC(surf_action_t) surf_host_write(sg_host_t host, surf_file_t fd, sg_size_t size);
279 * @brief Get the informations of a file descriptor
280 * @details The returned xbt_dynar_t contains:
281 * - the size of the file,
283 * - the storage name,
284 * - the storage typeId,
285 * - the storage content type
287 * @param host The surf host
288 * @param fd The file descriptor
289 * @return An xbt_dynar_t with the file informations
291 XBT_PUBLIC(xbt_dynar_t) surf_host_get_info(sg_host_t host, surf_file_t fd);
294 * @brief Get the available space of the storage at the mount point
296 * @param resource The surf host
297 * @param name The mount point
298 * @return The amount of available space in bytes
300 XBT_PUBLIC(sg_size_t) surf_host_get_free_size(sg_host_t resource, const char* name);
303 * @brief Get the used space of the storage at the mount point
305 * @param resource The surf host
306 * @param name The mount point
307 * @return The amount of used space in bytes
309 XBT_PUBLIC(sg_size_t) surf_host_get_used_size(sg_host_t resource, const char* name);
311 /** @brief Get the list of VMs hosted on the host */
312 XBT_PUBLIC(xbt_dynar_t) surf_host_get_vms(sg_host_t resource);
314 /** @brief Retrieve the params of that VM
315 * @details You can use fields ramsize and overcommit on a PM, too.
317 XBT_PUBLIC(void) surf_host_get_params(sg_host_t resource, vm_params_t params);
319 /** @brief Sets the params of that VM/PM
320 * @details You can use fields ramsize and overcommit on a PM, too.
322 XBT_PUBLIC(void) surf_host_set_params(sg_host_t resource, vm_params_t params);
325 * @brief Destroy a VM
327 * @param resource The surf vm
329 XBT_PUBLIC(void) surf_vm_destroy(sg_host_t resource);
331 /** @brief Suspend a VM */
332 XBT_PUBLIC(void) surf_vm_suspend(sg_host_t resource);
334 /** @brief Resume a VM */
335 XBT_PUBLIC(void) surf_vm_resume(sg_host_t resource);
338 * @brief Save the VM (Not yet implemented)
340 * @param resource The surf vm
342 XBT_PUBLIC(void) surf_vm_save(sg_host_t resource);
345 * @brief Restore the VM (Not yet implemented)
347 * @param resource The surf vm
349 XBT_PUBLIC(void) surf_vm_restore(sg_host_t resource);
352 * @brief Migrate the VM to the destination host
354 * @param resource The surf vm
355 * @param ind_vm_ws_dest The destination host
357 XBT_PUBLIC(void) surf_vm_migrate(sg_host_t resource, sg_host_t ind_vm_ws_dest);
360 * @brief Get the physical machine hosting the VM
362 * @param resource The surf vm
363 * @return The physical machine hosting the VM
365 XBT_PUBLIC(sg_host_t) surf_vm_get_pm(sg_host_t resource);
368 * @brief [brief description]
369 * @details [long description]
371 * @param resource [description]
372 * @param bound [description]
374 XBT_PUBLIC(void) surf_vm_set_bound(sg_host_t resource, double bound);
377 * @brief [brief description]
378 * @details [long description]
380 * @param resource [description]
381 * @param cpu [description]
382 * @param mask [description]
384 XBT_PUBLIC(void) surf_vm_set_affinity(sg_host_t resource, sg_host_t cpu, unsigned long mask);
387 * @brief Get the list of storages attached to an host
389 * @param host The surf host
390 * @return Dictionary of storage
392 XBT_PUBLIC(xbt_dynar_t) surf_host_get_attached_storage_list(sg_host_t host);
395 * @brief Unlink a file descriptor
397 * @param host The surf host
398 * @param fd The file descriptor
400 * @return 0 if failed to unlink, 1 otherwise
402 XBT_PUBLIC(int) surf_host_unlink(sg_host_t host, surf_file_t fd);
405 * @brief Get the size of a file on a host
407 * @param host The surf host
408 * @param fd The file descriptor
410 * @return The size in bytes of the file
412 XBT_PUBLIC(size_t) surf_host_get_size(sg_host_t host, surf_file_t fd);
415 * @brief Get the current position of the file descriptor
417 * @param host The surf host
418 * @param fd The file descriptor
419 * @return The current position of the file descriptor
421 XBT_PUBLIC(size_t) surf_host_file_tell(sg_host_t host, surf_file_t fd);
424 * @brief Move a file to another location on the *same mount point*.
425 * @details [long description]
427 * @param host The surf host
428 * @param fd The file descriptor
429 * @param fullpath The new full path
431 * @return MSG_OK if successful, otherwise MSG_TASK_CANCELED
433 XBT_PUBLIC(int) surf_host_file_move(sg_host_t host, surf_file_t fd, const char* fullpath);
436 * @brief Set the position indictator assiociated with the file descriptor to a new position
437 * @details [long description]
439 * @param host The surf host
440 * @param fd The file descriptor
441 * @param offset The offset from the origin
442 * @param origin Position used as a reference for the offset
443 * - SEEK_SET: beginning of the file
444 * - SEEK_CUR: current position indicator
445 * - SEEK_END: end of the file
446 * @return MSG_OK if successful, otherwise MSG_TASK_CANCELED
448 XBT_PUBLIC(int) surf_host_file_seek(sg_host_t host,
449 surf_file_t fd, sg_offset_t offset,
453 * @brief Get the content of a storage
455 * @param resource The surf storage
456 * @return A xbt_dict_t with path as keys and size in bytes as values
458 XBT_PUBLIC(xbt_dict_t) surf_storage_get_content(surf_resource_t resource);
461 * @brief Get the size in bytes of a storage
463 * @param resource The surf storage
464 * @return The size in bytes of the storage
466 XBT_PUBLIC(sg_size_t) surf_storage_get_size(surf_resource_t resource);
469 * @brief Get the available size in bytes of a storage
471 * @param resource The surf storage
472 * @return The available size in bytes of the storage
474 XBT_PUBLIC(sg_size_t) surf_storage_get_free_size(surf_resource_t resource);
477 * @brief Get the size in bytes of a storage
479 * @param resource The surf storage
480 * @return The used size in bytes of the storage
482 XBT_PUBLIC(sg_size_t) surf_storage_get_used_size(surf_resource_t resource);
484 /** @brief return the properties set associated to that storage */
485 XBT_PUBLIC(xbt_dict_t) surf_storage_get_properties(surf_resource_t resource);
488 * @brief Get the data associated to the action
490 * @param action The surf action
491 * @return The data associated to the action
493 XBT_PUBLIC(void*) surf_action_get_data(surf_action_t action);
496 * @brief Set the data associated to the action
497 * @details [long description]
499 * @param action The surf action
500 * @param data The new data associated to the action
502 XBT_PUBLIC(void) surf_action_set_data(surf_action_t action, void *data);
505 * @brief Get the start time of an action
507 * @param action The surf action
508 * @return The start time in seconds from the beginning of the simulation
510 XBT_PUBLIC(double) surf_action_get_start_time(surf_action_t action);
513 * @brief Get the finish time of an action
515 * @param action The surf action
516 * @return The finish time in seconds from the beginning of the simulation
518 XBT_PUBLIC(double) surf_action_get_finish_time(surf_action_t action);
521 * @brief Get the remains amount of work to do of an action
523 * @param action The surf action
524 * @return The remains amount of work to do
526 XBT_PUBLIC(double) surf_action_get_remains(surf_action_t action);
529 * @brief Set the category of an action
530 * @details [long description]
532 * @param action The surf action
533 * @param category The new category of the action
535 XBT_PUBLIC(void) surf_action_set_category(surf_action_t action, const char *category);
538 * @brief Get the state of an action
540 * @param action The surf action
541 * @return The state of the action
543 XBT_PUBLIC(e_surf_action_state_t) surf_action_get_state(surf_action_t action);
546 * @brief Get the cost of an action
548 * @param action The surf action
549 * @return The cost of the action
551 XBT_PUBLIC(double) surf_action_get_cost(surf_action_t action);
554 * @brief [brief desrciption]
555 * @details [long description]
557 * @param action The surf cpu action
558 * @param cpu [description]
559 * @param mask [description]
561 XBT_PUBLIC(void) surf_cpu_action_set_affinity(surf_action_t action, sg_host_t cpu, unsigned long mask);
564 * @brief [brief description]
565 * @details [long description]
567 * @param action The surf cpu action
568 * @param bound [description]
570 XBT_PUBLIC(void) surf_cpu_action_set_bound(surf_action_t action, double bound);
573 * @brief [brief description]
574 * @details [long description]
576 * @param action The surf network action
578 XBT_PUBLIC(double) surf_network_action_get_latency_limited(surf_action_t action);
581 * @brief Get the file associated to a storage action
583 * @param action The surf storage action
584 * @return The file associated to a storage action
586 XBT_PUBLIC(surf_file_t) surf_storage_action_get_file(surf_action_t action);
589 * @brief Get the result dictionary of an ls action
591 * @param action The surf storage action
592 * @return The dictionry listing a path
594 XBT_PUBLIC(xbt_dict_t) surf_storage_action_get_ls_dict(surf_action_t action);
598 * @brief Get the host the storage is attached to
600 * @param resource The surf storage
601 * @return The host name
604 XBT_PUBLIC(const char * ) surf_storage_get_host(surf_resource_t resource);
608 /**************************************/
609 /* Implementations of model object */
610 /**************************************/
612 XBT_PUBLIC_DATA(int) autoload_surf_cpu_model;
613 XBT_PUBLIC_DATA(void_f_void_t) surf_cpu_model_init_preparse;
615 /** \ingroup SURF_models
616 * \brief The CPU model object for the physical machine layer
618 XBT_PUBLIC_DATA(surf_cpu_model_t) surf_cpu_model_pm;
620 /** \ingroup SURF_models
621 * \brief The CPU model object for the virtual machine layer
623 XBT_PUBLIC_DATA(surf_cpu_model_t) surf_cpu_model_vm;
626 /** \ingroup SURF_models
627 * \brief Initializes the CPU model with the model Cas01
629 * By default, this model uses the lazy optimization mechanism that
630 * relies on partial invalidation in LMM and a heap for lazy action update.
631 * You can change this behavior by setting the cpu/optim configuration
632 * variable to a different value.
634 * You shouldn't have to call it by yourself.
636 XBT_PUBLIC(void) surf_cpu_model_init_Cas01(void);
638 /** \ingroup SURF_models
639 * \brief Initializes the CPU model with trace integration [Deprecated]
641 * You shouldn't have to call it by yourself.
643 XBT_PUBLIC(void) surf_cpu_model_init_ti(void);
645 /** \ingroup SURF_models
646 * \brief The list of all available optimization modes (both for cpu and networks).
647 * These optimization modes can be set using --cfg=cpu/optim:... and --cfg=network/optim:...
649 XBT_PUBLIC_DATA(s_surf_model_description_t) surf_optimization_mode_description[];
651 /** \ingroup SURF_plugins
652 * \brief The list of all available surf plugins
654 XBT_PUBLIC_DATA(s_surf_model_description_t) surf_plugin_description[];
656 /** \ingroup SURF_models
657 * \brief The list of all available cpu model models
659 XBT_PUBLIC_DATA(s_surf_model_description_t) surf_cpu_model_description[];
661 /**\brief create new host bypass the parser
666 /** \ingroup SURF_models
667 * \brief The network model
669 * When creating a new API on top on SURF, you shouldn't use the
670 * network model unless you know what you are doing. Only the host
671 * model should be accessed because depending on the platform model,
672 * the network model can be NULL.
674 XBT_PUBLIC_DATA(surf_network_model_t) surf_network_model;
676 /** \ingroup SURF_models
677 * \brief Same as network model 'LagrangeVelho', only with different correction factors.
679 * This model is proposed by Pierre-Nicolas Clauss and Martin Quinson and Stéphane Génaud
680 * based on the model 'LV08' and different correction factors depending on the communication
681 * size (< 1KiB, < 64KiB, >= 64KiB).
682 * See comments in the code for more information.
684 * \see surf_host_model_init_SMPI()
686 XBT_PUBLIC(void) surf_network_model_init_SMPI(void);
688 /** \ingroup SURF_models
689 * \brief Same as network model 'LagrangeVelho', only with different correction factors.
691 * This model impelments a variant of the contention model on Infinband networks based on
692 * the works of Jérôme Vienne : http://mescal.imag.fr/membres/jean-marc.vincent/index.html/PhD/Vienne.pdf
694 * \see surf_host_model_init_IB()
696 XBT_PUBLIC(void) surf_network_model_init_IB(void);
698 /** \ingroup SURF_models
699 * \brief Initializes the platform with the network model 'LegrandVelho'
701 * This model is proposed by Arnaud Legrand and Pedro Velho based on
702 * the results obtained with the GTNets simulator for onelink and
703 * dogbone sharing scenarios. See comments in the code for more information.
705 * \see surf_host_model_init_LegrandVelho()
707 XBT_PUBLIC(void) surf_network_model_init_LegrandVelho(void);
709 /** \ingroup SURF_models
710 * \brief Initializes the platform with the network model 'Constant'
712 * In this model, the communication time between two network cards is
713 * constant, hence no need for a routing table. This is particularly
714 * usefull when simulating huge distributed algorithms where
715 * scalability is really an issue. This function is called in
716 * conjunction with surf_host_model_init_compound.
718 * \see surf_host_model_init_compound()
720 XBT_PUBLIC(void) surf_network_model_init_Constant(void);
722 /** \ingroup SURF_models
723 * \brief Initializes the platform with the network model CM02
725 * You sould call this function by yourself only if you plan using
726 * surf_host_model_init_compound.
727 * See comments in the code for more information.
729 XBT_PUBLIC(void) surf_network_model_init_CM02(void);
732 /** \ingroup SURF_models
733 * \brief Initializes the platform with the network model NS3
735 * This function is called by surf_host_model_init_NS3
736 * or by yourself only if you plan using surf_host_model_init_compound
738 * \see surf_host_model_init_NS3()
740 XBT_PUBLIC(void) surf_network_model_init_NS3(void);
743 /** \ingroup SURF_models
744 * \brief Initializes the platform with the network model Reno
746 * The problem is related to max( sum( arctan(C * Df * xi) ) ).
749 * [LOW03] S. H. Low. A duality model of TCP and queue management algorithms.
750 * IEEE/ACM Transaction on Networking, 11(4):525-536, 2003.
752 * Call this function only if you plan using surf_host_model_init_compound.
755 XBT_PUBLIC(void) surf_network_model_init_Reno(void);
757 /** \ingroup SURF_models
758 * \brief Initializes the platform with the network model Reno2
760 * The problem is related to max( sum( arctan(C * Df * xi) ) ).
763 * [LOW01] S. H. Low. A duality model of TCP and queue management algorithms.
764 * IEEE/ACM Transaction on Networking, 11(4):525-536, 2003.
766 * Call this function only if you plan using surf_host_model_init_compound.
769 XBT_PUBLIC(void) surf_network_model_init_Reno2(void);
771 /** \ingroup SURF_models
772 * \brief Initializes the platform with the network model Vegas
774 * This problem is related to max( sum( a * Df * ln(xi) ) ) which is equivalent
775 * to the proportional fairness.
778 * [LOW03] S. H. Low. A duality model of TCP and queue management algorithms.
779 * IEEE/ACM Transaction on Networking, 11(4):525-536, 2003.
781 * Call this function only if you plan using surf_host_model_init_compound.
784 XBT_PUBLIC(void) surf_network_model_init_Vegas(void);
786 /** \ingroup SURF_models
787 * \brief The list of all available network model models
789 XBT_PUBLIC_DATA(s_surf_model_description_t)
790 surf_network_model_description[];
792 /** \ingroup SURF_models
793 * \brief The storage model
795 XBT_PUBLIC(void) surf_storage_model_init_default(void);
797 /** \ingroup SURF_models
798 * \brief The list of all available storage modes.
799 * This storage mode can be set using --cfg=storage/model:...
801 XBT_PUBLIC_DATA(s_surf_model_description_t) surf_storage_model_description[];
803 XBT_PUBLIC_DATA(surf_storage_model_t) surf_storage_model;
805 /** \ingroup SURF_models
806 * \brief The host model
808 * Note that when you create an API on top of SURF,
809 * the host model should be the only one you use
810 * because depending on the platform model, the network model and the CPU model
813 XBT_PUBLIC_DATA(surf_host_model_t) surf_host_model;
815 /** \ingroup SURF_models
816 * \brief The vm model
818 * Note that when you create an API on top of SURF,
819 * the vm model should be the only one you use
820 * because depending on the platform model, the network model and the CPU model
823 XBT_PUBLIC_DATA(surf_vm_model_t) surf_vm_model;
825 /** \ingroup SURF_models
826 * \brief Initializes the platform with a compound host model
828 * This function should be called after a cpu_model and a
829 * network_model have been set up.
832 XBT_PUBLIC(void) surf_host_model_init_compound(void);
834 /** \ingroup SURF_models
835 * \brief Initializes the platform with the current best network and cpu models at hand
837 * This platform model separates the host model and the network model.
838 * The host model will be initialized with the model compound, the network
839 * model with the model LV08 (with cross traffic support) and the CPU model with
841 * Such model is subject to modification with warning in the ChangeLog so monitor it!
844 XBT_PUBLIC(void) surf_host_model_init_current_default(void);
846 /** \ingroup SURF_models
847 * \brief Initializes the platform with the model L07
849 * With this model, only parallel tasks can be used. Resource sharing
850 * is done by identifying bottlenecks and giving an equal share of
851 * the model to each action.
854 XBT_PUBLIC(void) surf_host_model_init_ptask_L07(void);
856 /** \ingroup SURF_models
857 * \brief The list of all available host model models
859 XBT_PUBLIC_DATA(s_surf_model_description_t)
860 surf_host_model_description[];
862 /** \ingroup SURF_models
863 * \brief Initializes the platform with the current best network and cpu models at hand
865 * This platform model seperates the host model and the network model.
866 * The host model will be initialized with the model compound, the network
867 * model with the model LV08 (with cross traffic support) and the CPU model with
869 * Such model is subject to modification with warning in the ChangeLog so monitor it!
872 XBT_PUBLIC(void) surf_vm_model_init_HL13(void);
874 /** \ingroup SURF_models
875 * \brief The list of all available vm model models
877 XBT_PUBLIC_DATA(s_surf_model_description_t)
878 surf_vm_model_description[];
880 /*******************************************/
882 /** \ingroup SURF_models
883 * \brief List of initialized models
885 XBT_PUBLIC_DATA(xbt_dynar_t) all_existing_models;
887 /** \ingroup SURF_simulation
888 * \brief List of hosts that have just restarted and whose autorestart process should be restarted.
890 XBT_PUBLIC_DATA(xbt_dynar_t) host_that_restart;
892 /** \ingroup SURF_simulation
893 * \brief List of hosts for which one want to be notified if they ever restart.
895 XBT_PUBLIC_DATA(xbt_dict_t) watched_hosts_lib;
897 /*******************************************/
898 /*** SURF Platform *************************/
899 /*******************************************/
900 XBT_PUBLIC_DATA(AS_t) surf_AS_get_routing_root(void);
901 XBT_PUBLIC_DATA(const char *) surf_AS_get_name(AS_t as);
902 XBT_PUBLIC_DATA(AS_t) surf_AS_get_by_name(const char * name);
903 XBT_PUBLIC_DATA(xbt_dict_t) surf_AS_get_routing_sons(AS_t as);
904 XBT_PUBLIC_DATA(xbt_dynar_t) surf_AS_get_hosts(AS_t as);
905 XBT_PUBLIC_DATA(void) surf_AS_get_graph(AS_t as, xbt_graph_t graph, xbt_dict_t nodes, xbt_dict_t edges);
906 XBT_PUBLIC_DATA(AS_t) surf_platf_get_root(routing_platf_t platf);
907 XBT_PUBLIC_DATA(e_surf_network_element_type_t) surf_routing_edge_get_rc_type(sg_netcard_t edge);
909 /*******************************************/
910 /*** SURF Globals **************************/
911 /*******************************************/
913 /** \ingroup SURF_simulation
914 * \brief Initialize SURF
915 * \param argc argument number
916 * \param argv arguments
918 * This function has to be called to initialize the common
919 * structures. Then you will have to create the environment by
921 * e.g. surf_host_model_init_CM02()
923 * \see surf_host_model_init_CM02(), surf_host_model_init_compound(), surf_exit()
925 XBT_PUBLIC(void) surf_init(int *argc, char **argv); /* initialize common structures */
927 /** \ingroup SURF_simulation
928 * \brief Finish simulation initialization
930 * This function must be called before the first call to surf_solve()
932 XBT_PUBLIC(void) surf_presolve(void);
934 /** \ingroup SURF_simulation
935 * \brief Performs a part of the simulation
936 * \param max_date Maximum date to update the simulation to, or -1
937 * \return the elapsed time, or -1.0 if no event could be executed
939 * This function execute all possible events, update the action states
940 * and returns the time elapsed.
941 * When you call execute or communicate on a model, the corresponding actions
942 * are not executed immediately but only when you call surf_solve.
943 * Note that the returned elapsed time can be zero.
945 XBT_PUBLIC(double) surf_solve(double max_date);
947 /** \ingroup SURF_simulation
948 * \brief Return the current time
950 * Return the current time in millisecond.
952 XBT_PUBLIC(double) surf_get_clock(void);
954 /** \ingroup SURF_simulation
961 XBT_PUBLIC(void) surf_exit(void);
963 /* Prototypes of the functions that handle the properties */
964 XBT_PUBLIC_DATA(xbt_dict_t) current_property_set; /* the prop set for the currently parsed element (also used in SIMIX) */
966 /* The same for model_prop set*/
967 XBT_PUBLIC_DATA(xbt_dict_t) current_model_property_set;
969 /* surf parse file related (public because called from a test suite) */
970 XBT_PUBLIC(void) parse_platform_file(const char *file);
972 /* For the trace and trace:connect tag (store their content till the end of the parsing) */
973 XBT_PUBLIC_DATA(xbt_dict_t) traces_set_list;
975 XBT_PUBLIC(xbt_dict_t) get_as_router_properties(const char* name);
978 * Returns the initial path. On Windows the initial path is
979 * the current directory for the current process in the other
980 * case the function returns "./" that represents the current
981 * directory on Unix/Linux platforms.
983 const char *__surf_get_initial_path(void);
985 /********** Tracing **********/
986 /* from surf_instr.c */
987 void TRACE_surf_action(surf_action_t surf_action, const char *category);
988 void TRACE_surf_alloc(void);
989 void TRACE_surf_release(void);
991 /* instr_routing.c */
992 void instr_routing_define_callbacks (void);
993 void instr_new_variable_type (const char *new_typename, const char *color);
994 void instr_new_user_variable_type (const char *father_type, const char *new_typename, const char *color);
995 void instr_new_user_state_type (const char *father_type, const char *new_typename);
996 void instr_new_value_for_user_state_type (const char *_typename, const char *value, const char *color);
997 int instr_platform_traced (void);
998 xbt_graph_t instr_routing_platform_graph (void);
999 void instr_routing_platform_graph_export_graphviz (xbt_graph_t g, const char *filename);
1001 /********** Routing **********/
1002 void routing_AS_begin(sg_platf_AS_cbarg_t AS);
1003 void routing_AS_end(void);
1004 void routing_cluster_add_backbone(Link* bb);
1005 surf_As* routing_get_current();
1008 #endif /* _SURF_SURF_H */