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/datatypes.h"
22 #include "simgrid/forward.h"
25 /* Actions and models are highly connected structures... */
27 /* user-visible parameters */
28 extern XBT_PRIVATE double sg_tcp_gamma;
29 extern XBT_PRIVATE double sg_sender_gap;
30 extern XBT_PRIVATE double sg_latency_factor;
31 extern XBT_PRIVATE double sg_bandwidth_factor;
32 extern XBT_PRIVATE double sg_weight_S_parameter;
33 extern XBT_PRIVATE int sg_network_crosstraffic;
34 extern XBT_PRIVATE xbt_dynar_t surf_path;
37 SURF_NETWORK_ELEMENT_HOST=1, /* host type */
38 SURF_NETWORK_ELEMENT_ROUTER, /* router type */
39 SURF_NETWORK_ELEMENT_AS /* AS type */
40 } e_surf_network_element_type_t;
57 class NetworkCm02Link;
60 class StorageActionLmm;
67 typedef simgrid::surf::Model surf_Model;
68 typedef simgrid::surf::CpuModel surf_CpuModel;
69 typedef simgrid::surf::HostModel surf_HostModel;
70 typedef simgrid::surf::VMModel surf_VMModel;
71 typedef simgrid::surf::NetworkModel surf_NetworkModel;
72 typedef simgrid::surf::StorageModel surf_StorageModel;
73 typedef simgrid::surf::Resource surf_Resource;
74 typedef simgrid::surf::ResourceLmm surf_ResourceLmm;
75 typedef simgrid::surf::Host surf_Host;
76 typedef simgrid::surf::HostCLM03 surf_HostCLM03;
77 typedef simgrid::surf::NetworkCm02Link surf_NetworkCm02Link;
78 typedef simgrid::surf::Action surf_Action;
79 typedef simgrid::surf::ActionLmm surf_ActionLmm;
80 typedef simgrid::surf::StorageActionLmm surf_StorageActionLmm;
81 typedef simgrid::surf::RoutingPlatf surf_RoutingPlatf;
85 typedef struct surf_Model surf_Model;
86 typedef struct surf_CpuModel surf_CpuModel;
87 typedef struct surf_HostModel surf_HostModel;
88 typedef struct surf_VMModel surf_VMModel;
89 typedef struct surf_NetworkModel surf_NetworkModel;
90 typedef struct surf_StorageModel surf_StorageModel;
91 typedef struct surf_Resource surf_Resource;
92 typedef struct surf_ResourceLmm surf_ResourceLmm;
93 typedef struct surf_HostCLM03 surf_HostCLM03;
94 typedef struct surf_Host surf_Host;
95 typedef struct surf_NetworkCm02Link surf_NetworkCm02Link;
96 typedef struct surf_Action surf_Action;
97 typedef struct surf_ActionLmm surf_ActionLmm;
98 typedef struct surf_StorageActionLmm surf_StorageActionLmm;
99 typedef struct surf_RoutingPlatf surf_RoutingPlatf;
103 /** @ingroup SURF_c_bindings
104 * \brief Model datatype
106 * Generic data structure for a model. The hosts,
107 * the CPUs and the network links are examples of models.
109 typedef surf_Model *surf_model_t;
110 typedef surf_CpuModel *surf_cpu_model_t;
111 typedef surf_HostModel *surf_host_model_t;
112 typedef surf_VMModel *surf_vm_model_t;
113 typedef surf_NetworkModel *surf_network_model_t;
114 typedef surf_StorageModel *surf_storage_model_t;
116 typedef xbt_dictelm_t surf_resource_t;
117 typedef surf_Resource *surf_cpp_resource_t;
118 typedef surf_Host *surf_host_t;
119 typedef surf_Cpu *surf_cpu_t;
121 /** @ingroup SURF_c_bindings
122 * \brief Action structure
124 * Never create s_surf_action_t by yourself ! The actions are created
125 * on the fly when you call execute or communicate on a model.
127 * \see e_surf_action_state_t
129 typedef surf_Action *surf_action_t;
130 typedef surf_RoutingPlatf *routing_platf_t;
132 typedef struct surf_file *surf_file_t;
134 /** @Brief Specify that we use that action */
135 XBT_PUBLIC(void) surf_action_ref(surf_action_t action);
137 /** @brief Creates a new action.
139 * @param size The size is the one of the subtype you want to create
140 * @param cost initial value
141 * @param model to which model we should attach this action
142 * @param failed whether we should start this action in failed mode
144 XBT_PUBLIC(void *) surf_action_new(size_t size, double cost,
145 surf_model_t model, int failed);
147 /** \brief Resource model description
149 typedef struct surf_model_description {
151 const char *description;
152 void_f_void_t model_init_preparse;
153 } s_surf_model_description_t, *surf_model_description_t;
155 XBT_PUBLIC(int) find_model_description(s_surf_model_description_t * table,
157 XBT_PUBLIC(void) model_help(const char *category,
158 s_surf_model_description_t * table);
160 /** @ingroup SURF_interface
161 * @brief Action states
166 SURF_ACTION_READY = 0, /**< Ready */
167 SURF_ACTION_RUNNING, /**< Running */
168 SURF_ACTION_FAILED, /**< Task Failure */
169 SURF_ACTION_DONE, /**< Completed */
170 SURF_ACTION_TO_FREE, /**< Action to free in next cleanup */
171 SURF_ACTION_NOT_IN_THE_SYSTEM /**< Not in the system anymore. Why did you ask ? */
172 } e_surf_action_state_t;
174 /** @ingroup SURF_vm_interface
178 /* FIXME: Where should the VM state be defined? */
180 SURF_VM_STATE_CREATED, /**< created, but not yet started */
181 SURF_VM_STATE_RUNNING,
182 SURF_VM_STATE_SUSPENDED, /**< Suspend/resume does not involve disk I/O, so we assume there is no transition states. */
184 SURF_VM_STATE_SAVING, /**< Save/restore involves disk I/O, so there should be transition states. */
186 SURF_VM_STATE_RESTORING,
189 /***************************/
190 /* Generic model object */
191 /***************************/
193 XBT_PUBLIC_DATA(routing_platf_t) routing_platf;
195 static inline void *surf_storage_resource_priv(const void *storage){
196 return (void*)xbt_lib_get_level((xbt_dictelm_t)storage, SURF_STORAGE_LEVEL);
199 static inline void *surf_storage_resource_by_name(const char *name){
200 return xbt_lib_get_elm_or_null(storage_lib, name);
203 /** @{ @ingroup SURF_c_bindings */
206 * @brief Pop an action from the done actions set
208 * @param model The model from which the action is extracted
209 * @return An action in done state
211 XBT_PUBLIC(surf_action_t) surf_model_extract_done_action_set(surf_model_t model);
214 * @brief Pop an action from the failed actions set
216 * @param model The model from which the action is extracted
217 * @return An action in failed state
219 XBT_PUBLIC(surf_action_t) surf_model_extract_failed_action_set(surf_model_t model);
222 * @brief Get the size of the running action set of a model
224 * @param model The model
225 * @return The size of the running action set
227 XBT_PUBLIC(int) surf_model_running_action_set_size(surf_model_t model);
229 /** @brief Get the route (dynar of sg_link_t) between two hosts */
230 XBT_PUBLIC(xbt_dynar_t) surf_host_model_get_route(
231 surf_host_model_t model, sg_host_t src, sg_host_t dst);
233 /** @brief Create a new VM on the specified host */
234 XBT_PUBLIC(void) surf_vm_model_create(const char *name, sg_host_t host_PM);
236 /** @brief Create a communication between two hosts
238 * @param model The model which handle the communication
239 * @param src The source host
240 * @param dst The destination host
241 * @param size The amount of data (in bytes) needed to transfer
242 * @param rate [description]
243 * @return The action corresponding to the communication
245 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);
248 * @brief Get the name of a surf resource (cpu, host, network, …)
250 * @param resource The surf resource
251 * @return The name of the surf resource
253 XBT_PUBLIC(const char * ) surf_resource_name(surf_cpp_resource_t resource);
254 static inline const char * surf_cpu_name(surf_cpu_t cpu) {
255 return surf_resource_name((surf_cpp_resource_t)cpu);
258 /** @brief Get the available speed of cpu associated to a host */
259 XBT_PUBLIC(double) surf_host_get_available_speed(sg_host_t host);
261 /** @brief Create a sleep action on the given host */
262 XBT_PUBLIC(surf_action_t) surf_host_sleep(sg_host_t host, double duration);
264 /** @brief Create a file opening action on the given host */
265 XBT_PUBLIC(surf_action_t) surf_host_open(sg_host_t host, const char* fullpath);
267 /** @brief Create a file closing action on the given host */
268 XBT_PUBLIC(surf_action_t) surf_host_close(sg_host_t host, surf_file_t fd);
270 /** @brief Create a file reading action on the given host */
271 XBT_PUBLIC(surf_action_t) surf_host_read(sg_host_t host, surf_file_t fd, sg_size_t size);
273 /** @brief Create a file writing action on the given host */
274 XBT_PUBLIC(surf_action_t) surf_host_write(sg_host_t host, surf_file_t fd, sg_size_t size);
277 * @brief Get the informations of a file descriptor
278 * @details The returned xbt_dynar_t contains:
279 * - the size of the file,
281 * - the storage name,
282 * - the storage typeId,
283 * - the storage content type
285 * @param host The surf host
286 * @param fd The file descriptor
287 * @return An xbt_dynar_t with the file informations
289 XBT_PUBLIC(xbt_dynar_t) surf_host_get_info(sg_host_t host, surf_file_t fd);
292 * @brief Get the available space of the storage at the mount point
294 * @param resource The surf host
295 * @param name The mount point
296 * @return The amount of available space in bytes
298 XBT_PUBLIC(sg_size_t) surf_host_get_free_size(sg_host_t resource, const char* name);
301 * @brief Get the used space of the storage at the mount point
303 * @param resource The surf host
304 * @param name The mount point
305 * @return The amount of used space in bytes
307 XBT_PUBLIC(sg_size_t) surf_host_get_used_size(sg_host_t resource, const char* name);
309 /** @brief Get the list of VMs hosted on the host */
310 XBT_PUBLIC(xbt_dynar_t) surf_host_get_vms(sg_host_t resource);
312 /** @brief Retrieve the params of that VM
313 * @details You can use fields ramsize and overcommit on a PM, too.
315 XBT_PUBLIC(void) surf_host_get_params(sg_host_t resource, vm_params_t params);
317 /** @brief Sets the params of that VM/PM
318 * @details You can use fields ramsize and overcommit on a PM, too.
320 XBT_PUBLIC(void) surf_host_set_params(sg_host_t resource, vm_params_t params);
323 * @brief Destroy a VM
325 * @param resource The surf vm
327 XBT_PUBLIC(void) surf_vm_destroy(sg_host_t resource);
329 /** @brief Suspend a VM */
330 XBT_PUBLIC(void) surf_vm_suspend(sg_host_t resource);
332 /** @brief Resume a VM */
333 XBT_PUBLIC(void) surf_vm_resume(sg_host_t resource);
336 * @brief Save the VM (Not yet implemented)
338 * @param resource The surf vm
340 XBT_PUBLIC(void) surf_vm_save(sg_host_t resource);
343 * @brief Restore the VM (Not yet implemented)
345 * @param resource The surf vm
347 XBT_PUBLIC(void) surf_vm_restore(sg_host_t resource);
350 * @brief Migrate the VM to the destination host
352 * @param resource The surf vm
353 * @param ind_vm_ws_dest The destination host
355 XBT_PUBLIC(void) surf_vm_migrate(sg_host_t resource, sg_host_t ind_vm_ws_dest);
358 * @brief Get the physical machine hosting the VM
360 * @param resource The surf vm
361 * @return The physical machine hosting the VM
363 XBT_PUBLIC(sg_host_t) surf_vm_get_pm(sg_host_t resource);
366 * @brief [brief description]
367 * @details [long description]
369 * @param resource [description]
370 * @param bound [description]
372 XBT_PUBLIC(void) surf_vm_set_bound(sg_host_t resource, double bound);
375 * @brief [brief description]
376 * @details [long description]
378 * @param resource [description]
379 * @param cpu [description]
380 * @param mask [description]
382 XBT_PUBLIC(void) surf_vm_set_affinity(sg_host_t resource, sg_host_t cpu, unsigned long mask);
385 * @brief Get the list of storages attached to an host
387 * @param host The surf host
388 * @return Dictionary of storage
390 XBT_PUBLIC(xbt_dynar_t) surf_host_get_attached_storage_list(sg_host_t host);
393 * @brief Unlink a file descriptor
395 * @param host The surf host
396 * @param fd The file descriptor
398 * @return 0 if failed to unlink, 1 otherwise
400 XBT_PUBLIC(int) surf_host_unlink(sg_host_t host, surf_file_t fd);
403 * @brief Get the size of a file on a host
405 * @param host The surf host
406 * @param fd The file descriptor
408 * @return The size in bytes of the file
410 XBT_PUBLIC(size_t) surf_host_get_size(sg_host_t host, surf_file_t fd);
413 * @brief Get the current position of the file descriptor
415 * @param host The surf host
416 * @param fd The file descriptor
417 * @return The current position of the file descriptor
419 XBT_PUBLIC(size_t) surf_host_file_tell(sg_host_t host, surf_file_t fd);
422 * @brief Move a file to another location on the *same mount point*.
423 * @details [long description]
425 * @param host The surf host
426 * @param fd The file descriptor
427 * @param fullpath The new full path
429 * @return MSG_OK if successful, otherwise MSG_TASK_CANCELED
431 XBT_PUBLIC(int) surf_host_file_move(sg_host_t host, surf_file_t fd, const char* fullpath);
434 * @brief Set the position indictator assiociated with the file descriptor to a new position
435 * @details [long description]
437 * @param host The surf host
438 * @param fd The file descriptor
439 * @param offset The offset from the origin
440 * @param origin Position used as a reference for the offset
441 * - SEEK_SET: beginning of the file
442 * - SEEK_CUR: current position indicator
443 * - SEEK_END: end of the file
444 * @return MSG_OK if successful, otherwise MSG_TASK_CANCELED
446 XBT_PUBLIC(int) surf_host_file_seek(sg_host_t host,
447 surf_file_t fd, sg_offset_t offset,
451 * @brief Get the content of a storage
453 * @param resource The surf storage
454 * @return A xbt_dict_t with path as keys and size in bytes as values
456 XBT_PUBLIC(xbt_dict_t) surf_storage_get_content(surf_resource_t resource);
459 * @brief Get the size in bytes of a storage
461 * @param resource The surf storage
462 * @return The size in bytes of the storage
464 XBT_PUBLIC(sg_size_t) surf_storage_get_size(surf_resource_t resource);
467 * @brief Get the available size in bytes of a storage
469 * @param resource The surf storage
470 * @return The available size in bytes of the storage
472 XBT_PUBLIC(sg_size_t) surf_storage_get_free_size(surf_resource_t resource);
475 * @brief Get the size in bytes of a storage
477 * @param resource The surf storage
478 * @return The used size in bytes of the storage
480 XBT_PUBLIC(sg_size_t) surf_storage_get_used_size(surf_resource_t resource);
482 /** @brief return the properties set associated to that storage */
483 XBT_PUBLIC(xbt_dict_t) surf_storage_get_properties(surf_resource_t resource);
486 * @brief Get the data associated to the action
488 * @param action The surf action
489 * @return The data associated to the action
491 XBT_PUBLIC(void*) surf_action_get_data(surf_action_t action);
494 * @brief Set the data associated to the action
495 * @details [long description]
497 * @param action The surf action
498 * @param data The new data associated to the action
500 XBT_PUBLIC(void) surf_action_set_data(surf_action_t action, void *data);
503 * @brief Get the start time of an action
505 * @param action The surf action
506 * @return The start time in seconds from the beginning of the simulation
508 XBT_PUBLIC(double) surf_action_get_start_time(surf_action_t action);
511 * @brief Get the finish time of an action
513 * @param action The surf action
514 * @return The finish time in seconds from the beginning of the simulation
516 XBT_PUBLIC(double) surf_action_get_finish_time(surf_action_t action);
519 * @brief Get the remains amount of work to do of an action
521 * @param action The surf action
522 * @return The remains amount of work to do
524 XBT_PUBLIC(double) surf_action_get_remains(surf_action_t action);
527 * @brief Set the category of an action
528 * @details [long description]
530 * @param action The surf action
531 * @param category The new category of the action
533 XBT_PUBLIC(void) surf_action_set_category(surf_action_t action, const char *category);
536 * @brief Get the state of an action
538 * @param action The surf action
539 * @return The state of the action
541 XBT_PUBLIC(e_surf_action_state_t) surf_action_get_state(surf_action_t action);
544 * @brief Get the cost of an action
546 * @param action The surf action
547 * @return The cost of the action
549 XBT_PUBLIC(double) surf_action_get_cost(surf_action_t action);
552 * @brief [brief desrciption]
553 * @details [long description]
555 * @param action The surf cpu action
556 * @param cpu [description]
557 * @param mask [description]
559 XBT_PUBLIC(void) surf_cpu_action_set_affinity(surf_action_t action, sg_host_t cpu, unsigned long mask);
562 * @brief [brief description]
563 * @details [long description]
565 * @param action The surf cpu action
566 * @param bound [description]
568 XBT_PUBLIC(void) surf_cpu_action_set_bound(surf_action_t action, double bound);
571 * @brief [brief description]
572 * @details [long description]
574 * @param action The surf network action
576 XBT_PUBLIC(double) surf_network_action_get_latency_limited(surf_action_t action);
579 * @brief Get the file associated to a storage action
581 * @param action The surf storage action
582 * @return The file associated to a storage action
584 XBT_PUBLIC(surf_file_t) surf_storage_action_get_file(surf_action_t action);
587 * @brief Get the result dictionary of an ls action
589 * @param action The surf storage action
590 * @return The dictionry listing a path
592 XBT_PUBLIC(xbt_dict_t) surf_storage_action_get_ls_dict(surf_action_t action);
596 * @brief Get the host the storage is attached to
598 * @param resource The surf storage
599 * @return The host name
602 XBT_PUBLIC(const char * ) surf_storage_get_host(surf_resource_t resource);
606 /**************************************/
607 /* Implementations of model object */
608 /**************************************/
610 XBT_PUBLIC_DATA(int) autoload_surf_cpu_model;
611 XBT_PUBLIC_DATA(void_f_void_t) surf_cpu_model_init_preparse;
613 /** \ingroup SURF_models
614 * \brief The CPU model object for the physical machine layer
616 XBT_PUBLIC_DATA(surf_cpu_model_t) surf_cpu_model_pm;
618 /** \ingroup SURF_models
619 * \brief The CPU model object for the virtual machine layer
621 XBT_PUBLIC_DATA(surf_cpu_model_t) surf_cpu_model_vm;
624 /** \ingroup SURF_models
625 * \brief Initializes the CPU model with the model Cas01
627 * By default, this model uses the lazy optimization mechanism that
628 * relies on partial invalidation in LMM and a heap for lazy action update.
629 * You can change this behavior by setting the cpu/optim configuration
630 * variable to a different value.
632 * You shouldn't have to call it by yourself.
634 XBT_PUBLIC(void) surf_cpu_model_init_Cas01(void);
636 /** \ingroup SURF_models
637 * \brief Initializes the CPU model with trace integration [Deprecated]
639 * You shouldn't have to call it by yourself.
641 XBT_PUBLIC(void) surf_cpu_model_init_ti(void);
643 /** \ingroup SURF_models
644 * \brief The list of all available optimization modes (both for cpu and networks).
645 * These optimization modes can be set using --cfg=cpu/optim:... and --cfg=network/optim:...
647 XBT_PUBLIC_DATA(s_surf_model_description_t) surf_optimization_mode_description[];
649 /** \ingroup SURF_plugins
650 * \brief The list of all available surf plugins
652 XBT_PUBLIC_DATA(s_surf_model_description_t) surf_plugin_description[];
654 /** \ingroup SURF_models
655 * \brief The list of all available cpu model models
657 XBT_PUBLIC_DATA(s_surf_model_description_t) surf_cpu_model_description[];
659 /**\brief create new host bypass the parser
664 /** \ingroup SURF_models
665 * \brief The network model
667 * When creating a new API on top on SURF, you shouldn't use the
668 * network model unless you know what you are doing. Only the host
669 * model should be accessed because depending on the platform model,
670 * the network model can be NULL.
672 XBT_PUBLIC_DATA(surf_network_model_t) surf_network_model;
674 /** \ingroup SURF_models
675 * \brief Same as network model 'LagrangeVelho', only with different correction factors.
677 * This model is proposed by Pierre-Nicolas Clauss and Martin Quinson and Stéphane Génaud
678 * based on the model 'LV08' and different correction factors depending on the communication
679 * size (< 1KiB, < 64KiB, >= 64KiB).
680 * See comments in the code for more information.
682 * \see surf_host_model_init_SMPI()
684 XBT_PUBLIC(void) surf_network_model_init_SMPI(void);
686 /** \ingroup SURF_models
687 * \brief Same as network model 'LagrangeVelho', only with different correction factors.
689 * This model impelments a variant of the contention model on Infinband networks based on
690 * the works of Jérôme Vienne : http://mescal.imag.fr/membres/jean-marc.vincent/index.html/PhD/Vienne.pdf
692 * \see surf_host_model_init_IB()
694 XBT_PUBLIC(void) surf_network_model_init_IB(void);
696 /** \ingroup SURF_models
697 * \brief Initializes the platform with the network model 'LegrandVelho'
699 * This model is proposed by Arnaud Legrand and Pedro Velho based on
700 * the results obtained with the GTNets simulator for onelink and
701 * dogbone sharing scenarios. See comments in the code for more information.
703 * \see surf_host_model_init_LegrandVelho()
705 XBT_PUBLIC(void) surf_network_model_init_LegrandVelho(void);
707 /** \ingroup SURF_models
708 * \brief Initializes the platform with the network model 'Constant'
710 * In this model, the communication time between two network cards is
711 * constant, hence no need for a routing table. This is particularly
712 * usefull when simulating huge distributed algorithms where
713 * scalability is really an issue. This function is called in
714 * conjunction with surf_host_model_init_compound.
716 * \see surf_host_model_init_compound()
718 XBT_PUBLIC(void) surf_network_model_init_Constant(void);
720 /** \ingroup SURF_models
721 * \brief Initializes the platform with the network model CM02
723 * You sould call this function by yourself only if you plan using
724 * surf_host_model_init_compound.
725 * See comments in the code for more information.
727 XBT_PUBLIC(void) surf_network_model_init_CM02(void);
730 /** \ingroup SURF_models
731 * \brief Initializes the platform with the network model NS3
733 * This function is called by surf_host_model_init_NS3
734 * or by yourself only if you plan using surf_host_model_init_compound
736 * \see surf_host_model_init_NS3()
738 XBT_PUBLIC(void) surf_network_model_init_NS3(void);
741 /** \ingroup SURF_models
742 * \brief Initializes the platform with the network model Reno
744 * The problem is related to max( sum( arctan(C * Df * xi) ) ).
747 * [LOW03] S. H. Low. A duality model of TCP and queue management algorithms.
748 * IEEE/ACM Transaction on Networking, 11(4):525-536, 2003.
750 * Call this function only if you plan using surf_host_model_init_compound.
753 XBT_PUBLIC(void) surf_network_model_init_Reno(void);
755 /** \ingroup SURF_models
756 * \brief Initializes the platform with the network model Reno2
758 * The problem is related to max( sum( arctan(C * Df * xi) ) ).
761 * [LOW01] S. H. Low. A duality model of TCP and queue management algorithms.
762 * IEEE/ACM Transaction on Networking, 11(4):525-536, 2003.
764 * Call this function only if you plan using surf_host_model_init_compound.
767 XBT_PUBLIC(void) surf_network_model_init_Reno2(void);
769 /** \ingroup SURF_models
770 * \brief Initializes the platform with the network model Vegas
772 * This problem is related to max( sum( a * Df * ln(xi) ) ) which is equivalent
773 * to the proportional fairness.
776 * [LOW03] S. H. Low. A duality model of TCP and queue management algorithms.
777 * IEEE/ACM Transaction on Networking, 11(4):525-536, 2003.
779 * Call this function only if you plan using surf_host_model_init_compound.
782 XBT_PUBLIC(void) surf_network_model_init_Vegas(void);
784 /** \ingroup SURF_models
785 * \brief The list of all available network model models
787 XBT_PUBLIC_DATA(s_surf_model_description_t)
788 surf_network_model_description[];
790 /** \ingroup SURF_models
791 * \brief The storage model
793 XBT_PUBLIC(void) surf_storage_model_init_default(void);
795 /** \ingroup SURF_models
796 * \brief The list of all available storage modes.
797 * This storage mode can be set using --cfg=storage/model:...
799 XBT_PUBLIC_DATA(s_surf_model_description_t) surf_storage_model_description[];
801 XBT_PUBLIC_DATA(surf_storage_model_t) surf_storage_model;
803 /** \ingroup SURF_models
804 * \brief The host model
806 * Note that when you create an API on top of SURF,
807 * the host model should be the only one you use
808 * because depending on the platform model, the network model and the CPU model
811 XBT_PUBLIC_DATA(surf_host_model_t) surf_host_model;
813 /** \ingroup SURF_models
814 * \brief The vm model
816 * Note that when you create an API on top of SURF,
817 * the vm model should be the only one you use
818 * because depending on the platform model, the network model and the CPU model
821 XBT_PUBLIC_DATA(surf_vm_model_t) surf_vm_model;
823 /** \ingroup SURF_models
824 * \brief Initializes the platform with a compound host model
826 * This function should be called after a cpu_model and a
827 * network_model have been set up.
830 XBT_PUBLIC(void) surf_host_model_init_compound(void);
832 /** \ingroup SURF_models
833 * \brief Initializes the platform with the current best network and cpu models at hand
835 * This platform model separates the host model and the network model.
836 * The host model will be initialized with the model compound, the network
837 * model with the model LV08 (with cross traffic support) and the CPU model with
839 * Such model is subject to modification with warning in the ChangeLog so monitor it!
842 XBT_PUBLIC(void) surf_host_model_init_current_default(void);
844 /** \ingroup SURF_models
845 * \brief Initializes the platform with the model L07
847 * With this model, only parallel tasks can be used. Resource sharing
848 * is done by identifying bottlenecks and giving an equal share of
849 * the model to each action.
852 XBT_PUBLIC(void) surf_host_model_init_ptask_L07(void);
854 /** \ingroup SURF_models
855 * \brief The list of all available host model models
857 XBT_PUBLIC_DATA(s_surf_model_description_t)
858 surf_host_model_description[];
860 /** \ingroup SURF_models
861 * \brief Initializes the platform with the current best network and cpu models at hand
863 * This platform model seperates the host model and the network model.
864 * The host model will be initialized with the model compound, the network
865 * model with the model LV08 (with cross traffic support) and the CPU model with
867 * Such model is subject to modification with warning in the ChangeLog so monitor it!
870 XBT_PUBLIC(void) surf_vm_model_init_HL13(void);
872 /** \ingroup SURF_models
873 * \brief The list of all available vm model models
875 XBT_PUBLIC_DATA(s_surf_model_description_t)
876 surf_vm_model_description[];
878 /*******************************************/
880 /** \ingroup SURF_models
881 * \brief List of initialized models
883 XBT_PUBLIC_DATA(xbt_dynar_t) all_existing_models;
885 /** \ingroup SURF_simulation
886 * \brief List of hosts that have just restarted and whose autorestart process should be restarted.
888 XBT_PUBLIC_DATA(xbt_dynar_t) host_that_restart;
890 /** \ingroup SURF_simulation
891 * \brief List of hosts for which one want to be notified if they ever restart.
893 XBT_PUBLIC_DATA(xbt_dict_t) watched_hosts_lib;
895 /*******************************************/
896 /*** SURF Platform *************************/
897 /*******************************************/
898 XBT_PUBLIC_DATA(AS_t) surf_AS_get_routing_root(void);
899 XBT_PUBLIC_DATA(const char *) surf_AS_get_name(AS_t as);
900 XBT_PUBLIC_DATA(AS_t) surf_AS_get_by_name(const char * name);
901 XBT_PUBLIC_DATA(xbt_dict_t) surf_AS_get_routing_sons(AS_t as);
902 XBT_PUBLIC_DATA(xbt_dynar_t) surf_AS_get_hosts(AS_t as);
903 XBT_PUBLIC_DATA(void) surf_AS_get_graph(AS_t as, xbt_graph_t graph, xbt_dict_t nodes, xbt_dict_t edges);
905 /*******************************************/
906 /*** SURF Globals **************************/
907 /*******************************************/
909 /** \ingroup SURF_simulation
910 * \brief Initialize SURF
911 * \param argc argument number
912 * \param argv arguments
914 * This function has to be called to initialize the common
915 * structures. Then you will have to create the environment by
917 * e.g. surf_host_model_init_CM02()
919 * \see surf_host_model_init_CM02(), surf_host_model_init_compound(), surf_exit()
921 XBT_PUBLIC(void) surf_init(int *argc, char **argv); /* initialize common structures */
923 /** \ingroup SURF_simulation
924 * \brief Finish simulation initialization
926 * This function must be called before the first call to surf_solve()
928 XBT_PUBLIC(void) surf_presolve(void);
930 /** \ingroup SURF_simulation
931 * \brief Performs a part of the simulation
932 * \param max_date Maximum date to update the simulation to, or -1
933 * \return the elapsed time, or -1.0 if no event could be executed
935 * This function execute all possible events, update the action states
936 * and returns the time elapsed.
937 * When you call execute or communicate on a model, the corresponding actions
938 * are not executed immediately but only when you call surf_solve.
939 * Note that the returned elapsed time can be zero.
941 XBT_PUBLIC(double) surf_solve(double max_date);
943 /** \ingroup SURF_simulation
944 * \brief Return the current time
946 * Return the current time in millisecond.
948 XBT_PUBLIC(double) surf_get_clock(void);
950 /** \ingroup SURF_simulation
957 XBT_PUBLIC(void) surf_exit(void);
959 /* Prototypes of the functions that handle the properties */
960 XBT_PUBLIC_DATA(xbt_dict_t) current_property_set; /* the prop set for the currently parsed element (also used in SIMIX) */
962 /* The same for model_prop set*/
963 XBT_PUBLIC_DATA(xbt_dict_t) current_model_property_set;
965 /* surf parse file related (public because called from a test suite) */
966 XBT_PUBLIC(void) parse_platform_file(const char *file);
968 /* For the trace and trace:connect tag (store their content till the end of the parsing) */
969 XBT_PUBLIC_DATA(xbt_dict_t) traces_set_list;
971 XBT_PUBLIC(xbt_dict_t) get_as_router_properties(const char* name);
974 * Returns the initial path. On Windows the initial path is
975 * the current directory for the current process in the other
976 * case the function returns "./" that represents the current
977 * directory on Unix/Linux platforms.
979 const char *__surf_get_initial_path(void);
981 /********** Tracing **********/
982 /* from surf_instr.c */
983 void TRACE_surf_action(surf_action_t surf_action, const char *category);
984 void TRACE_surf_alloc(void);
985 void TRACE_surf_release(void);
987 /* instr_routing.c */
988 void instr_routing_define_callbacks (void);
989 void instr_new_variable_type (const char *new_typename, const char *color);
990 void instr_new_user_variable_type (const char *father_type, const char *new_typename, const char *color);
991 void instr_new_user_state_type (const char *father_type, const char *new_typename);
992 void instr_new_value_for_user_state_type (const char *_typename, const char *value, const char *color);
993 int instr_platform_traced (void);
994 xbt_graph_t instr_routing_platform_graph (void);
995 void instr_routing_platform_graph_export_graphviz (xbt_graph_t g, const char *filename);
999 #endif /* _SURF_SURF_H */