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 static inline void *surf_storage_resource_priv(const void *storage){
201 return (void*)xbt_lib_get_level((xbt_dictelm_t)storage, SURF_STORAGE_LEVEL);
204 static inline void *surf_storage_resource_by_name(const char *name){
205 return xbt_lib_get_elm_or_null(storage_lib, name);
208 /** @{ @ingroup SURF_c_bindings */
211 * @brief Pop an action from the done actions set
213 * @param model The model from which the action is extracted
214 * @return An action in done state
216 XBT_PUBLIC(surf_action_t) surf_model_extract_done_action_set(surf_model_t model);
219 * @brief Pop an action from the failed actions set
221 * @param model The model from which the action is extracted
222 * @return An action in failed state
224 XBT_PUBLIC(surf_action_t) surf_model_extract_failed_action_set(surf_model_t model);
227 * @brief Pop an action from the ready actions set
229 * @param model The model from which the action is extracted
230 * @return An action in ready state
232 XBT_PUBLIC(surf_action_t) surf_model_extract_ready_action_set(surf_model_t model);
235 * @brief Pop an action from the running actions set
237 * @param model The model from which the action is extracted
238 * @return An action in running state
240 XBT_PUBLIC(surf_action_t) surf_model_extract_running_action_set(surf_model_t model);
243 * @brief Get the size of the running action set of a model
245 * @param model The model
246 * @return The size of the running action set
248 XBT_PUBLIC(int) surf_model_running_action_set_size(surf_model_t model);
251 * @brief Execute a parallel task
252 * @details [long description]
254 * @param model The model which handle the parallelisation
255 * @param host_nb The number of hosts
256 * @param host_list The list of hosts on which the task is executed
257 * @param flops_amount The processing amount (in flop) needed to process
258 * @param bytes_amount The amount of data (in bytes) needed to transfer
259 * @param rate [description]
260 * @return The action corresponding to the parallele execution task
262 XBT_PUBLIC(surf_action_t) surf_host_model_execute_parallel_task(surf_host_model_t model,
264 sg_host_t *host_list,
265 double *flops_amount,
266 double *bytes_amount,
269 /** @brief Get the route (dynar of sg_link_t) between two hosts */
270 XBT_PUBLIC(xbt_dynar_t) surf_host_model_get_route(
271 surf_host_model_t model, sg_host_t src, sg_host_t dst);
273 /** @brief Create a new VM on the specified host */
274 XBT_PUBLIC(void) surf_vm_model_create(const char *name, sg_host_t host_PM);
276 /** @brief Create a communication between two hosts
278 * @param model The model which handle the communication
279 * @param src The source host
280 * @param dst The destination host
281 * @param size The amount of data (in bytes) needed to transfer
282 * @param rate [description]
283 * @return The action corresponding to the communication
285 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);
288 * @brief Get the name of a surf resource (cpu, host, network, …)
290 * @param resource The surf resource
291 * @return The name of the surf resource
293 XBT_PUBLIC(const char * ) surf_resource_name(surf_cpp_resource_t resource);
294 static inline const char * surf_cpu_name(surf_cpu_t cpu) {
295 return surf_resource_name((surf_cpp_resource_t)cpu);
298 /** @brief Get the available speed of cpu associated to a host */
299 XBT_PUBLIC(double) surf_host_get_available_speed(sg_host_t host);
301 /** @brief Create a sleep action on the given host */
302 XBT_PUBLIC(surf_action_t) surf_host_sleep(sg_host_t host, double duration);
304 /** @brief Create a file opening action on the given host */
305 XBT_PUBLIC(surf_action_t) surf_host_open(sg_host_t host, const char* fullpath);
307 /** @brief Create a file closing action on the given host */
308 XBT_PUBLIC(surf_action_t) surf_host_close(sg_host_t host, surf_file_t fd);
310 /** @brief Create a file reading action on the given host */
311 XBT_PUBLIC(surf_action_t) surf_host_read(sg_host_t host, surf_file_t fd, sg_size_t size);
313 /** @brief Create a file writing action on the given host */
314 XBT_PUBLIC(surf_action_t) surf_host_write(sg_host_t host, surf_file_t fd, sg_size_t size);
317 * @brief Get the informations of a file descriptor
318 * @details The returned xbt_dynar_t contains:
319 * - the size of the file,
321 * - the storage name,
322 * - the storage typeId,
323 * - the storage content type
325 * @param host The surf host
326 * @param fd The file descriptor
327 * @return An xbt_dynar_t with the file informations
329 XBT_PUBLIC(xbt_dynar_t) surf_host_get_info(sg_host_t host, surf_file_t fd);
332 * @brief Get the available space of the storage at the mount point
334 * @param resource The surf host
335 * @param name The mount point
336 * @return The amount of available space in bytes
338 XBT_PUBLIC(sg_size_t) surf_host_get_free_size(sg_host_t resource, const char* name);
341 * @brief Get the used space of the storage at the mount point
343 * @param resource The surf host
344 * @param name The mount point
345 * @return The amount of used space in bytes
347 XBT_PUBLIC(sg_size_t) surf_host_get_used_size(sg_host_t resource, const char* name);
349 /** @brief Get the list of VMs hosted on the host */
350 XBT_PUBLIC(xbt_dynar_t) surf_host_get_vms(sg_host_t resource);
352 /** @brief Retrieve the params of that VM
353 * @details You can use fields ramsize and overcommit on a PM, too.
355 XBT_PUBLIC(void) surf_host_get_params(sg_host_t resource, vm_params_t params);
357 /** @brief Sets the params of that VM/PM
358 * @details You can use fields ramsize and overcommit on a PM, too.
360 XBT_PUBLIC(void) surf_host_set_params(sg_host_t resource, vm_params_t params);
363 * @brief Destroy a VM
365 * @param resource The surf vm
367 XBT_PUBLIC(void) surf_vm_destroy(sg_host_t resource);
369 /** @brief Suspend a VM */
370 XBT_PUBLIC(void) surf_vm_suspend(sg_host_t resource);
372 /** @brief Resume a VM */
373 XBT_PUBLIC(void) surf_vm_resume(sg_host_t resource);
376 * @brief Save the VM (Not yet implemented)
378 * @param resource The surf vm
380 XBT_PUBLIC(void) surf_vm_save(sg_host_t resource);
383 * @brief Restore the VM (Not yet implemented)
385 * @param resource The surf vm
387 XBT_PUBLIC(void) surf_vm_restore(sg_host_t resource);
390 * @brief Migrate the VM to the destination host
392 * @param resource The surf vm
393 * @param ind_vm_ws_dest The destination host
395 XBT_PUBLIC(void) surf_vm_migrate(sg_host_t resource, sg_host_t ind_vm_ws_dest);
398 * @brief Get the physical machine hosting the VM
400 * @param resource The surf vm
401 * @return The physical machine hosting the VM
403 XBT_PUBLIC(sg_host_t) surf_vm_get_pm(sg_host_t resource);
406 * @brief [brief description]
407 * @details [long description]
409 * @param resource [description]
410 * @param bound [description]
412 XBT_PUBLIC(void) surf_vm_set_bound(sg_host_t resource, double bound);
415 * @brief [brief description]
416 * @details [long description]
418 * @param resource [description]
419 * @param cpu [description]
420 * @param mask [description]
422 XBT_PUBLIC(void) surf_vm_set_affinity(sg_host_t resource, sg_host_t cpu, unsigned long mask);
425 * @brief Get the list of storages attached to an host
427 * @param host The surf host
428 * @return Dictionary of storage
430 XBT_PUBLIC(xbt_dynar_t) surf_host_get_attached_storage_list(sg_host_t host);
433 * @brief Unlink a file descriptor
435 * @param host The surf host
436 * @param fd The file descriptor
438 * @return 0 if failed to unlink, 1 otherwise
440 XBT_PUBLIC(int) surf_host_unlink(sg_host_t host, surf_file_t fd);
443 * @brief Get the size of a file on a host
445 * @param host The surf host
446 * @param fd The file descriptor
448 * @return The size in bytes of the file
450 XBT_PUBLIC(size_t) surf_host_get_size(sg_host_t host, surf_file_t fd);
453 * @brief Get the current position of the file descriptor
455 * @param host The surf host
456 * @param fd The file descriptor
457 * @return The current position of the file descriptor
459 XBT_PUBLIC(size_t) surf_host_file_tell(sg_host_t host, surf_file_t fd);
462 * @brief Move a file to another location on the *same mount point*.
463 * @details [long description]
465 * @param host The surf host
466 * @param fd The file descriptor
467 * @param fullpath The new full path
469 * @return MSG_OK if successful, otherwise MSG_TASK_CANCELED
471 XBT_PUBLIC(int) surf_host_file_move(sg_host_t host, surf_file_t fd, const char* fullpath);
474 * @brief Set the position indictator assiociated with the file descriptor to a new position
475 * @details [long description]
477 * @param host The surf host
478 * @param fd The file descriptor
479 * @param offset The offset from the origin
480 * @param origin Position used as a reference for the offset
481 * - SEEK_SET: beginning of the file
482 * - SEEK_CUR: current position indicator
483 * - SEEK_END: end of the file
484 * @return MSG_OK if successful, otherwise MSG_TASK_CANCELED
486 XBT_PUBLIC(int) surf_host_file_seek(sg_host_t host,
487 surf_file_t fd, sg_offset_t offset,
491 * @brief Get the content of a storage
493 * @param resource The surf storage
494 * @return A xbt_dict_t with path as keys and size in bytes as values
496 XBT_PUBLIC(xbt_dict_t) surf_storage_get_content(surf_resource_t resource);
499 * @brief Get the size in bytes of a storage
501 * @param resource The surf storage
502 * @return The size in bytes of the storage
504 XBT_PUBLIC(sg_size_t) surf_storage_get_size(surf_resource_t resource);
507 * @brief Get the available size in bytes of a storage
509 * @param resource The surf storage
510 * @return The available size in bytes of the storage
512 XBT_PUBLIC(sg_size_t) surf_storage_get_free_size(surf_resource_t resource);
515 * @brief Get the size in bytes of a storage
517 * @param resource The surf storage
518 * @return The used size in bytes of the storage
520 XBT_PUBLIC(sg_size_t) surf_storage_get_used_size(surf_resource_t resource);
522 /** @brief return the properties set associated to that storage */
523 XBT_PUBLIC(xbt_dict_t) surf_storage_get_properties(surf_resource_t resource);
526 * @brief Get the data associated to the action
528 * @param action The surf action
529 * @return The data associated to the action
531 XBT_PUBLIC(void*) surf_action_get_data(surf_action_t action);
534 * @brief Set the data associated to the action
535 * @details [long description]
537 * @param action The surf action
538 * @param data The new data associated to the action
540 XBT_PUBLIC(void) surf_action_set_data(surf_action_t action, void *data);
543 * @brief Get the start time of an action
545 * @param action The surf action
546 * @return The start time in seconds from the beginning of the simulation
548 XBT_PUBLIC(double) surf_action_get_start_time(surf_action_t action);
551 * @brief Get the finish time of an action
553 * @param action The surf action
554 * @return The finish time in seconds from the beginning of the simulation
556 XBT_PUBLIC(double) surf_action_get_finish_time(surf_action_t action);
559 * @brief Get the remains amount of work to do of an action
561 * @param action The surf action
562 * @return The remains amount of work to do
564 XBT_PUBLIC(double) surf_action_get_remains(surf_action_t action);
567 * @brief Suspend an action
569 * @param action The surf action
571 XBT_PUBLIC(void) surf_action_suspend(surf_action_t action);
574 * @brief Resume an action
576 * @param action The surf action
578 XBT_PUBLIC(void) surf_action_resume(surf_action_t action);
581 * @brief Cancel an action
583 * @param action The surf action
585 XBT_PUBLIC(void) surf_action_cancel(surf_action_t action);
588 * @brief Set the priority of an action
589 * @details [long description]
591 * @param action The surf action
592 * @param priority The new priority [TODO]
594 XBT_PUBLIC(void) surf_action_set_priority(surf_action_t action, double priority);
597 * @brief Set the category of an action
598 * @details [long description]
600 * @param action The surf action
601 * @param category The new category of the action
603 XBT_PUBLIC(void) surf_action_set_category(surf_action_t action, const char *category);
606 * @brief Get the state of an action
608 * @param action The surf action
609 * @return The state of the action
611 XBT_PUBLIC(e_surf_action_state_t) surf_action_get_state(surf_action_t action);
614 * @brief Get the cost of an action
616 * @param action The surf action
617 * @return The cost of the action
619 XBT_PUBLIC(double) surf_action_get_cost(surf_action_t action);
622 * @brief [brief desrciption]
623 * @details [long description]
625 * @param action The surf cpu action
626 * @param cpu [description]
627 * @param mask [description]
629 XBT_PUBLIC(void) surf_cpu_action_set_affinity(surf_action_t action, sg_host_t cpu, unsigned long mask);
632 * @brief [brief description]
633 * @details [long description]
635 * @param action The surf cpu action
636 * @param bound [description]
638 XBT_PUBLIC(void) surf_cpu_action_set_bound(surf_action_t action, double bound);
641 * @brief [brief description]
642 * @details [long description]
644 * @param action The surf network action
646 XBT_PUBLIC(double) surf_network_action_get_latency_limited(surf_action_t action);
649 * @brief Get the file associated to a storage action
651 * @param action The surf storage action
652 * @return The file associated to a storage action
654 XBT_PUBLIC(surf_file_t) surf_storage_action_get_file(surf_action_t action);
657 * @brief Get the result dictionary of an ls action
659 * @param action The surf storage action
660 * @return The dictionry listing a path
662 XBT_PUBLIC(xbt_dict_t) surf_storage_action_get_ls_dict(surf_action_t action);
666 * @brief Get the host the storage is attached to
668 * @param resource The surf storage
669 * @return The host name
672 XBT_PUBLIC(const char * ) surf_storage_get_host(surf_resource_t resource);
676 /**************************************/
677 /* Implementations of model object */
678 /**************************************/
680 XBT_PUBLIC_DATA(int) autoload_surf_cpu_model;
681 XBT_PUBLIC_DATA(void_f_void_t) surf_cpu_model_init_preparse;
683 /** \ingroup SURF_models
684 * \brief The CPU model object for the physical machine layer
686 XBT_PUBLIC_DATA(surf_cpu_model_t) surf_cpu_model_pm;
688 /** \ingroup SURF_models
689 * \brief The CPU model object for the virtual machine layer
691 XBT_PUBLIC_DATA(surf_cpu_model_t) surf_cpu_model_vm;
694 /** \ingroup SURF_models
695 * \brief Initializes the CPU model with the model Cas01
697 * By default, this model uses the lazy optimization mechanism that
698 * relies on partial invalidation in LMM and a heap for lazy action update.
699 * You can change this behavior by setting the cpu/optim configuration
700 * variable to a different value.
702 * You shouldn't have to call it by yourself.
704 XBT_PUBLIC(void) surf_cpu_model_init_Cas01(void);
706 /** \ingroup SURF_models
707 * \brief Initializes the CPU model with trace integration [Deprecated]
709 * You shouldn't have to call it by yourself.
711 XBT_PUBLIC(void) surf_cpu_model_init_ti(void);
713 /** \ingroup SURF_models
714 * \brief The list of all available optimization modes (both for cpu and networks).
715 * These optimization modes can be set using --cfg=cpu/optim:... and --cfg=network/optim:...
717 XBT_PUBLIC_DATA(s_surf_model_description_t) surf_optimization_mode_description[];
719 /** \ingroup SURF_plugins
720 * \brief The list of all available surf plugins
722 XBT_PUBLIC_DATA(s_surf_model_description_t) surf_plugin_description[];
724 /** \ingroup SURF_models
725 * \brief The list of all available cpu model models
727 XBT_PUBLIC_DATA(s_surf_model_description_t) surf_cpu_model_description[];
729 /**\brief create new host bypass the parser
734 /** \ingroup SURF_models
735 * \brief The network model
737 * When creating a new API on top on SURF, you shouldn't use the
738 * network model unless you know what you are doing. Only the host
739 * model should be accessed because depending on the platform model,
740 * the network model can be NULL.
742 XBT_PUBLIC_DATA(surf_network_model_t) surf_network_model;
744 /** \ingroup SURF_models
745 * \brief Same as network model 'LagrangeVelho', only with different correction factors.
747 * This model is proposed by Pierre-Nicolas Clauss and Martin Quinson and Stéphane Génaud
748 * based on the model 'LV08' and different correction factors depending on the communication
749 * size (< 1KiB, < 64KiB, >= 64KiB).
750 * See comments in the code for more information.
752 * \see surf_host_model_init_SMPI()
754 XBT_PUBLIC(void) surf_network_model_init_SMPI(void);
756 /** \ingroup SURF_models
757 * \brief Same as network model 'LagrangeVelho', only with different correction factors.
759 * This model impelments a variant of the contention model on Infinband networks based on
760 * the works of Jérôme Vienne : http://mescal.imag.fr/membres/jean-marc.vincent/index.html/PhD/Vienne.pdf
762 * \see surf_host_model_init_IB()
764 XBT_PUBLIC(void) surf_network_model_init_IB(void);
766 /** \ingroup SURF_models
767 * \brief Initializes the platform with the network model 'LegrandVelho'
769 * This model is proposed by Arnaud Legrand and Pedro Velho based on
770 * the results obtained with the GTNets simulator for onelink and
771 * dogbone sharing scenarios. See comments in the code for more information.
773 * \see surf_host_model_init_LegrandVelho()
775 XBT_PUBLIC(void) surf_network_model_init_LegrandVelho(void);
777 /** \ingroup SURF_models
778 * \brief Initializes the platform with the network model 'Constant'
780 * In this model, the communication time between two network cards is
781 * constant, hence no need for a routing table. This is particularly
782 * usefull when simulating huge distributed algorithms where
783 * scalability is really an issue. This function is called in
784 * conjunction with surf_host_model_init_compound.
786 * \see surf_host_model_init_compound()
788 XBT_PUBLIC(void) surf_network_model_init_Constant(void);
790 /** \ingroup SURF_models
791 * \brief Initializes the platform with the network model CM02
793 * You sould call this function by yourself only if you plan using
794 * surf_host_model_init_compound.
795 * See comments in the code for more information.
797 XBT_PUBLIC(void) surf_network_model_init_CM02(void);
800 /** \ingroup SURF_models
801 * \brief Initializes the platform with the network model NS3
803 * This function is called by surf_host_model_init_NS3
804 * or by yourself only if you plan using surf_host_model_init_compound
806 * \see surf_host_model_init_NS3()
808 XBT_PUBLIC(void) surf_network_model_init_NS3(void);
811 /** \ingroup SURF_models
812 * \brief Initializes the platform with the network model Reno
814 * The problem is related to max( sum( arctan(C * Df * xi) ) ).
817 * [LOW03] S. H. Low. A duality model of TCP and queue management algorithms.
818 * IEEE/ACM Transaction on Networking, 11(4):525-536, 2003.
820 * Call this function only if you plan using surf_host_model_init_compound.
823 XBT_PUBLIC(void) surf_network_model_init_Reno(void);
825 /** \ingroup SURF_models
826 * \brief Initializes the platform with the network model Reno2
828 * The problem is related to max( sum( arctan(C * Df * xi) ) ).
831 * [LOW01] S. H. Low. A duality model of TCP and queue management algorithms.
832 * IEEE/ACM Transaction on Networking, 11(4):525-536, 2003.
834 * Call this function only if you plan using surf_host_model_init_compound.
837 XBT_PUBLIC(void) surf_network_model_init_Reno2(void);
839 /** \ingroup SURF_models
840 * \brief Initializes the platform with the network model Vegas
842 * This problem is related to max( sum( a * Df * ln(xi) ) ) which is equivalent
843 * to the proportional fairness.
846 * [LOW03] S. H. Low. A duality model of TCP and queue management algorithms.
847 * IEEE/ACM Transaction on Networking, 11(4):525-536, 2003.
849 * Call this function only if you plan using surf_host_model_init_compound.
852 XBT_PUBLIC(void) surf_network_model_init_Vegas(void);
854 /** \ingroup SURF_models
855 * \brief The list of all available network model models
857 XBT_PUBLIC_DATA(s_surf_model_description_t)
858 surf_network_model_description[];
860 /** \ingroup SURF_models
861 * \brief The storage model
863 XBT_PUBLIC(void) surf_storage_model_init_default(void);
865 /** \ingroup SURF_models
866 * \brief The list of all available storage modes.
867 * This storage mode can be set using --cfg=storage/model:...
869 XBT_PUBLIC_DATA(s_surf_model_description_t) surf_storage_model_description[];
871 XBT_PUBLIC_DATA(surf_storage_model_t) surf_storage_model;
873 /** \ingroup SURF_models
874 * \brief The host model
876 * Note that when you create an API on top of SURF,
877 * the host model should be the only one you use
878 * because depending on the platform model, the network model and the CPU model
881 XBT_PUBLIC_DATA(surf_host_model_t) surf_host_model;
883 /** \ingroup SURF_models
884 * \brief The vm model
886 * Note that when you create an API on top of SURF,
887 * the vm model should be the only one you use
888 * because depending on the platform model, the network model and the CPU model
891 XBT_PUBLIC_DATA(surf_vm_model_t) surf_vm_model;
893 /** \ingroup SURF_models
894 * \brief Initializes the platform with a compound host model
896 * This function should be called after a cpu_model and a
897 * network_model have been set up.
900 XBT_PUBLIC(void) surf_host_model_init_compound(void);
902 /** \ingroup SURF_models
903 * \brief Initializes the platform with the current best network and cpu models at hand
905 * This platform model separates the host model and the network model.
906 * The host model will be initialized with the model compound, the network
907 * model with the model LV08 (with cross traffic support) and the CPU model with
909 * Such model is subject to modification with warning in the ChangeLog so monitor it!
912 XBT_PUBLIC(void) surf_host_model_init_current_default(void);
914 /** \ingroup SURF_models
915 * \brief Initializes the platform with the model L07
917 * With this model, only parallel tasks can be used. Resource sharing
918 * is done by identifying bottlenecks and giving an equal share of
919 * the model to each action.
922 XBT_PUBLIC(void) surf_host_model_init_ptask_L07(void);
924 /** \ingroup SURF_models
925 * \brief The list of all available host model models
927 XBT_PUBLIC_DATA(s_surf_model_description_t)
928 surf_host_model_description[];
930 /** \ingroup SURF_models
931 * \brief Initializes the platform with the current best network and cpu models at hand
933 * This platform model seperates the host model and the network model.
934 * The host model will be initialized with the model compound, the network
935 * model with the model LV08 (with cross traffic support) and the CPU model with
937 * Such model is subject to modification with warning in the ChangeLog so monitor it!
940 XBT_PUBLIC(void) surf_vm_model_init_HL13(void);
942 /** \ingroup SURF_models
943 * \brief The list of all available vm model models
945 XBT_PUBLIC_DATA(s_surf_model_description_t)
946 surf_vm_model_description[];
948 /*******************************************/
950 /** \ingroup SURF_models
951 * \brief List of initialized models
953 XBT_PUBLIC_DATA(xbt_dynar_t) all_existing_models;
955 /** \ingroup SURF_simulation
956 * \brief List of hosts that have just restarted and whose autorestart process should be restarted.
958 XBT_PUBLIC_DATA(xbt_dynar_t) host_that_restart;
960 /** \ingroup SURF_simulation
961 * \brief List of hosts for which one want to be notified if they ever restart.
963 XBT_PUBLIC_DATA(xbt_dict_t) watched_hosts_lib;
965 /*******************************************/
966 /*** SURF Platform *************************/
967 /*******************************************/
968 XBT_PUBLIC_DATA(AS_t) surf_AS_get_routing_root(void);
969 XBT_PUBLIC_DATA(const char *) surf_AS_get_name(AS_t as);
970 XBT_PUBLIC_DATA(AS_t) surf_AS_get_by_name(const char * name);
971 XBT_PUBLIC_DATA(xbt_dict_t) surf_AS_get_routing_sons(AS_t as);
972 XBT_PUBLIC_DATA(const char *) surf_AS_get_model(AS_t as);
973 XBT_PUBLIC_DATA(xbt_dynar_t) surf_AS_get_hosts(AS_t as);
974 XBT_PUBLIC_DATA(void) surf_AS_get_graph(AS_t as, xbt_graph_t graph, xbt_dict_t nodes, xbt_dict_t edges);
975 XBT_PUBLIC_DATA(AS_t) surf_platf_get_root(routing_platf_t platf);
976 XBT_PUBLIC_DATA(e_surf_network_element_type_t) surf_routing_edge_get_rc_type(sg_netcard_t edge);
978 /*******************************************/
979 /*** SURF Globals **************************/
980 /*******************************************/
982 /** \ingroup SURF_simulation
983 * \brief Initialize SURF
984 * \param argc argument number
985 * \param argv arguments
987 * This function has to be called to initialize the common
988 * structures. Then you will have to create the environment by
990 * e.g. surf_host_model_init_CM02()
992 * \see surf_host_model_init_CM02(), surf_host_model_init_compound(), surf_exit()
994 XBT_PUBLIC(void) surf_init(int *argc, char **argv); /* initialize common structures */
996 /** \ingroup SURF_simulation
997 * \brief Finish simulation initialization
999 * This function must be called before the first call to surf_solve()
1001 XBT_PUBLIC(void) surf_presolve(void);
1003 /** \ingroup SURF_simulation
1004 * \brief Performs a part of the simulation
1005 * \param max_date Maximum date to update the simulation to, or -1
1006 * \return the elapsed time, or -1.0 if no event could be executed
1008 * This function execute all possible events, update the action states
1009 * and returns the time elapsed.
1010 * When you call execute or communicate on a model, the corresponding actions
1011 * are not executed immediately but only when you call surf_solve.
1012 * Note that the returned elapsed time can be zero.
1014 XBT_PUBLIC(double) surf_solve(double max_date);
1016 /** \ingroup SURF_simulation
1017 * \brief Return the current time
1019 * Return the current time in millisecond.
1021 XBT_PUBLIC(double) surf_get_clock(void);
1023 /** \ingroup SURF_simulation
1030 XBT_PUBLIC(void) surf_exit(void);
1032 /* Prototypes of the functions that handle the properties */
1033 XBT_PUBLIC_DATA(xbt_dict_t) current_property_set; /* the prop set for the currently parsed element (also used in SIMIX) */
1035 /* The same for model_prop set*/
1036 XBT_PUBLIC_DATA(xbt_dict_t) current_model_property_set;
1038 /* surf parse file related (public because called from a test suite) */
1039 XBT_PUBLIC(void) parse_platform_file(const char *file);
1041 /* For the trace and trace:connect tag (store their content till the end of the parsing) */
1042 XBT_PUBLIC_DATA(xbt_dict_t) traces_set_list;
1043 XBT_PUBLIC_DATA(xbt_dict_t) trace_connect_list_host_avail;
1044 XBT_PUBLIC_DATA(xbt_dict_t) trace_connect_list_power;
1045 XBT_PUBLIC_DATA(xbt_dict_t) trace_connect_list_link_avail;
1046 XBT_PUBLIC_DATA(xbt_dict_t) trace_connect_list_bandwidth;
1047 XBT_PUBLIC_DATA(xbt_dict_t) trace_connect_list_latency;
1050 XBT_PUBLIC(double) get_cpu_speed(const char *power);
1052 XBT_PUBLIC(xbt_dict_t) get_as_router_properties(const char* name);
1054 int surf_get_nthreads(void);
1055 void surf_set_nthreads(int nthreads);
1058 * Returns the initial path. On Windows the initial path is
1059 * the current directory for the current process in the other
1060 * case the function returns "./" that represents the current
1061 * directory on Unix/Linux platforms.
1063 const char *__surf_get_initial_path(void);
1065 /********** Tracing **********/
1066 /* from surf_instr.c */
1067 void TRACE_surf_action(surf_action_t surf_action, const char *category);
1068 void TRACE_surf_alloc(void);
1069 void TRACE_surf_release(void);
1071 /* instr_routing.c */
1072 void instr_routing_define_callbacks (void);
1073 void instr_new_variable_type (const char *new_typename, const char *color);
1074 void instr_new_user_variable_type (const char *father_type, const char *new_typename, const char *color);
1075 void instr_new_user_state_type (const char *father_type, const char *new_typename);
1076 void instr_new_value_for_user_state_type (const char *_typename, const char *value, const char *color);
1077 int instr_platform_traced (void);
1078 xbt_graph_t instr_routing_platform_graph (void);
1079 void instr_routing_platform_graph_export_graphviz (xbt_graph_t g, const char *filename);
1081 /********** Routing **********/
1082 void routing_AS_begin(sg_platf_AS_cbarg_t AS);
1083 void routing_AS_end(void);
1084 surf_NetCard* routing_add_host(surf_As* as, sg_platf_host_cbarg_t host);
1085 void routing_cluster_add_backbone(void* bb);
1086 surf_As* routing_get_current();
1089 #endif /* _SURF_SURF_H */