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);
250 /** @brief Get the route (dynar of sg_link_t) between two hosts */
251 XBT_PUBLIC(xbt_dynar_t) surf_host_model_get_route(
252 surf_host_model_t model, sg_host_t src, sg_host_t dst);
254 /** @brief Create a new VM on the specified host */
255 XBT_PUBLIC(void) surf_vm_model_create(const char *name, sg_host_t host_PM);
257 /** @brief Create a communication between two hosts
259 * @param model The model which handle the communication
260 * @param src The source host
261 * @param dst The destination host
262 * @param size The amount of data (in bytes) needed to transfer
263 * @param rate [description]
264 * @return The action corresponding to the communication
266 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);
269 * @brief Get the name of a surf resource (cpu, host, network, …)
271 * @param resource The surf resource
272 * @return The name of the surf resource
274 XBT_PUBLIC(const char * ) surf_resource_name(surf_cpp_resource_t resource);
275 static inline const char * surf_cpu_name(surf_cpu_t cpu) {
276 return surf_resource_name((surf_cpp_resource_t)cpu);
279 /** @brief Get the available speed of cpu associated to a host */
280 XBT_PUBLIC(double) surf_host_get_available_speed(sg_host_t host);
282 /** @brief Create a sleep action on the given host */
283 XBT_PUBLIC(surf_action_t) surf_host_sleep(sg_host_t host, double duration);
285 /** @brief Create a file opening action on the given host */
286 XBT_PUBLIC(surf_action_t) surf_host_open(sg_host_t host, const char* fullpath);
288 /** @brief Create a file closing action on the given host */
289 XBT_PUBLIC(surf_action_t) surf_host_close(sg_host_t host, surf_file_t fd);
291 /** @brief Create a file reading action on the given host */
292 XBT_PUBLIC(surf_action_t) surf_host_read(sg_host_t host, surf_file_t fd, sg_size_t size);
294 /** @brief Create a file writing action on the given host */
295 XBT_PUBLIC(surf_action_t) surf_host_write(sg_host_t host, surf_file_t fd, sg_size_t size);
298 * @brief Get the informations of a file descriptor
299 * @details The returned xbt_dynar_t contains:
300 * - the size of the file,
302 * - the storage name,
303 * - the storage typeId,
304 * - the storage content type
306 * @param host The surf host
307 * @param fd The file descriptor
308 * @return An xbt_dynar_t with the file informations
310 XBT_PUBLIC(xbt_dynar_t) surf_host_get_info(sg_host_t host, surf_file_t fd);
313 * @brief Get the available space of the storage at the mount point
315 * @param resource The surf host
316 * @param name The mount point
317 * @return The amount of available space in bytes
319 XBT_PUBLIC(sg_size_t) surf_host_get_free_size(sg_host_t resource, const char* name);
322 * @brief Get the used space of the storage at the mount point
324 * @param resource The surf host
325 * @param name The mount point
326 * @return The amount of used space in bytes
328 XBT_PUBLIC(sg_size_t) surf_host_get_used_size(sg_host_t resource, const char* name);
330 /** @brief Get the list of VMs hosted on the host */
331 XBT_PUBLIC(xbt_dynar_t) surf_host_get_vms(sg_host_t resource);
333 /** @brief Retrieve the params of that VM
334 * @details You can use fields ramsize and overcommit on a PM, too.
336 XBT_PUBLIC(void) surf_host_get_params(sg_host_t resource, vm_params_t params);
338 /** @brief Sets the params of that VM/PM
339 * @details You can use fields ramsize and overcommit on a PM, too.
341 XBT_PUBLIC(void) surf_host_set_params(sg_host_t resource, vm_params_t params);
344 * @brief Destroy a VM
346 * @param resource The surf vm
348 XBT_PUBLIC(void) surf_vm_destroy(sg_host_t resource);
350 /** @brief Suspend a VM */
351 XBT_PUBLIC(void) surf_vm_suspend(sg_host_t resource);
353 /** @brief Resume a VM */
354 XBT_PUBLIC(void) surf_vm_resume(sg_host_t resource);
357 * @brief Save the VM (Not yet implemented)
359 * @param resource The surf vm
361 XBT_PUBLIC(void) surf_vm_save(sg_host_t resource);
364 * @brief Restore the VM (Not yet implemented)
366 * @param resource The surf vm
368 XBT_PUBLIC(void) surf_vm_restore(sg_host_t resource);
371 * @brief Migrate the VM to the destination host
373 * @param resource The surf vm
374 * @param ind_vm_ws_dest The destination host
376 XBT_PUBLIC(void) surf_vm_migrate(sg_host_t resource, sg_host_t ind_vm_ws_dest);
379 * @brief Get the physical machine hosting the VM
381 * @param resource The surf vm
382 * @return The physical machine hosting the VM
384 XBT_PUBLIC(sg_host_t) surf_vm_get_pm(sg_host_t resource);
387 * @brief [brief description]
388 * @details [long description]
390 * @param resource [description]
391 * @param bound [description]
393 XBT_PUBLIC(void) surf_vm_set_bound(sg_host_t resource, double bound);
396 * @brief [brief description]
397 * @details [long description]
399 * @param resource [description]
400 * @param cpu [description]
401 * @param mask [description]
403 XBT_PUBLIC(void) surf_vm_set_affinity(sg_host_t resource, sg_host_t cpu, unsigned long mask);
406 * @brief Get the list of storages attached to an host
408 * @param host The surf host
409 * @return Dictionary of storage
411 XBT_PUBLIC(xbt_dynar_t) surf_host_get_attached_storage_list(sg_host_t host);
414 * @brief Unlink a file descriptor
416 * @param host The surf host
417 * @param fd The file descriptor
419 * @return 0 if failed to unlink, 1 otherwise
421 XBT_PUBLIC(int) surf_host_unlink(sg_host_t host, surf_file_t fd);
424 * @brief Get the size of a file on a host
426 * @param host The surf host
427 * @param fd The file descriptor
429 * @return The size in bytes of the file
431 XBT_PUBLIC(size_t) surf_host_get_size(sg_host_t host, surf_file_t fd);
434 * @brief Get the current position of the file descriptor
436 * @param host The surf host
437 * @param fd The file descriptor
438 * @return The current position of the file descriptor
440 XBT_PUBLIC(size_t) surf_host_file_tell(sg_host_t host, surf_file_t fd);
443 * @brief Move a file to another location on the *same mount point*.
444 * @details [long description]
446 * @param host The surf host
447 * @param fd The file descriptor
448 * @param fullpath The new full path
450 * @return MSG_OK if successful, otherwise MSG_TASK_CANCELED
452 XBT_PUBLIC(int) surf_host_file_move(sg_host_t host, surf_file_t fd, const char* fullpath);
455 * @brief Set the position indictator assiociated with the file descriptor to a new position
456 * @details [long description]
458 * @param host The surf host
459 * @param fd The file descriptor
460 * @param offset The offset from the origin
461 * @param origin Position used as a reference for the offset
462 * - SEEK_SET: beginning of the file
463 * - SEEK_CUR: current position indicator
464 * - SEEK_END: end of the file
465 * @return MSG_OK if successful, otherwise MSG_TASK_CANCELED
467 XBT_PUBLIC(int) surf_host_file_seek(sg_host_t host,
468 surf_file_t fd, sg_offset_t offset,
472 * @brief Get the content of a storage
474 * @param resource The surf storage
475 * @return A xbt_dict_t with path as keys and size in bytes as values
477 XBT_PUBLIC(xbt_dict_t) surf_storage_get_content(surf_resource_t resource);
480 * @brief Get the size in bytes of a storage
482 * @param resource The surf storage
483 * @return The size in bytes of the storage
485 XBT_PUBLIC(sg_size_t) surf_storage_get_size(surf_resource_t resource);
488 * @brief Get the available size in bytes of a storage
490 * @param resource The surf storage
491 * @return The available size in bytes of the storage
493 XBT_PUBLIC(sg_size_t) surf_storage_get_free_size(surf_resource_t resource);
496 * @brief Get the size in bytes of a storage
498 * @param resource The surf storage
499 * @return The used size in bytes of the storage
501 XBT_PUBLIC(sg_size_t) surf_storage_get_used_size(surf_resource_t resource);
503 /** @brief return the properties set associated to that storage */
504 XBT_PUBLIC(xbt_dict_t) surf_storage_get_properties(surf_resource_t resource);
507 * @brief Get the data associated to the action
509 * @param action The surf action
510 * @return The data associated to the action
512 XBT_PUBLIC(void*) surf_action_get_data(surf_action_t action);
515 * @brief Set the data associated to the action
516 * @details [long description]
518 * @param action The surf action
519 * @param data The new data associated to the action
521 XBT_PUBLIC(void) surf_action_set_data(surf_action_t action, void *data);
524 * @brief Get the start time of an action
526 * @param action The surf action
527 * @return The start time in seconds from the beginning of the simulation
529 XBT_PUBLIC(double) surf_action_get_start_time(surf_action_t action);
532 * @brief Get the finish time of an action
534 * @param action The surf action
535 * @return The finish time in seconds from the beginning of the simulation
537 XBT_PUBLIC(double) surf_action_get_finish_time(surf_action_t action);
540 * @brief Get the remains amount of work to do of an action
542 * @param action The surf action
543 * @return The remains amount of work to do
545 XBT_PUBLIC(double) surf_action_get_remains(surf_action_t action);
548 * @brief Suspend an action
550 * @param action The surf action
552 XBT_PUBLIC(void) surf_action_suspend(surf_action_t action);
555 * @brief Resume an action
557 * @param action The surf action
559 XBT_PUBLIC(void) surf_action_resume(surf_action_t action);
562 * @brief Cancel an action
564 * @param action The surf action
566 XBT_PUBLIC(void) surf_action_cancel(surf_action_t action);
569 * @brief Set the priority of an action
570 * @details [long description]
572 * @param action The surf action
573 * @param priority The new priority [TODO]
575 XBT_PUBLIC(void) surf_action_set_priority(surf_action_t action, double priority);
578 * @brief Set the category of an action
579 * @details [long description]
581 * @param action The surf action
582 * @param category The new category of the action
584 XBT_PUBLIC(void) surf_action_set_category(surf_action_t action, const char *category);
587 * @brief Get the state of an action
589 * @param action The surf action
590 * @return The state of the action
592 XBT_PUBLIC(e_surf_action_state_t) surf_action_get_state(surf_action_t action);
595 * @brief Get the cost of an action
597 * @param action The surf action
598 * @return The cost of the action
600 XBT_PUBLIC(double) surf_action_get_cost(surf_action_t action);
603 * @brief [brief desrciption]
604 * @details [long description]
606 * @param action The surf cpu action
607 * @param cpu [description]
608 * @param mask [description]
610 XBT_PUBLIC(void) surf_cpu_action_set_affinity(surf_action_t action, sg_host_t cpu, unsigned long mask);
613 * @brief [brief description]
614 * @details [long description]
616 * @param action The surf cpu action
617 * @param bound [description]
619 XBT_PUBLIC(void) surf_cpu_action_set_bound(surf_action_t action, double bound);
622 * @brief [brief description]
623 * @details [long description]
625 * @param action The surf network action
627 XBT_PUBLIC(double) surf_network_action_get_latency_limited(surf_action_t action);
630 * @brief Get the file associated to a storage action
632 * @param action The surf storage action
633 * @return The file associated to a storage action
635 XBT_PUBLIC(surf_file_t) surf_storage_action_get_file(surf_action_t action);
638 * @brief Get the result dictionary of an ls action
640 * @param action The surf storage action
641 * @return The dictionry listing a path
643 XBT_PUBLIC(xbt_dict_t) surf_storage_action_get_ls_dict(surf_action_t action);
647 * @brief Get the host the storage is attached to
649 * @param resource The surf storage
650 * @return The host name
653 XBT_PUBLIC(const char * ) surf_storage_get_host(surf_resource_t resource);
657 /**************************************/
658 /* Implementations of model object */
659 /**************************************/
661 XBT_PUBLIC_DATA(int) autoload_surf_cpu_model;
662 XBT_PUBLIC_DATA(void_f_void_t) surf_cpu_model_init_preparse;
664 /** \ingroup SURF_models
665 * \brief The CPU model object for the physical machine layer
667 XBT_PUBLIC_DATA(surf_cpu_model_t) surf_cpu_model_pm;
669 /** \ingroup SURF_models
670 * \brief The CPU model object for the virtual machine layer
672 XBT_PUBLIC_DATA(surf_cpu_model_t) surf_cpu_model_vm;
675 /** \ingroup SURF_models
676 * \brief Initializes the CPU model with the model Cas01
678 * By default, this model uses the lazy optimization mechanism that
679 * relies on partial invalidation in LMM and a heap for lazy action update.
680 * You can change this behavior by setting the cpu/optim configuration
681 * variable to a different value.
683 * You shouldn't have to call it by yourself.
685 XBT_PUBLIC(void) surf_cpu_model_init_Cas01(void);
687 /** \ingroup SURF_models
688 * \brief Initializes the CPU model with trace integration [Deprecated]
690 * You shouldn't have to call it by yourself.
692 XBT_PUBLIC(void) surf_cpu_model_init_ti(void);
694 /** \ingroup SURF_models
695 * \brief The list of all available optimization modes (both for cpu and networks).
696 * These optimization modes can be set using --cfg=cpu/optim:... and --cfg=network/optim:...
698 XBT_PUBLIC_DATA(s_surf_model_description_t) surf_optimization_mode_description[];
700 /** \ingroup SURF_plugins
701 * \brief The list of all available surf plugins
703 XBT_PUBLIC_DATA(s_surf_model_description_t) surf_plugin_description[];
705 /** \ingroup SURF_models
706 * \brief The list of all available cpu model models
708 XBT_PUBLIC_DATA(s_surf_model_description_t) surf_cpu_model_description[];
710 /**\brief create new host bypass the parser
715 /** \ingroup SURF_models
716 * \brief The network model
718 * When creating a new API on top on SURF, you shouldn't use the
719 * network model unless you know what you are doing. Only the host
720 * model should be accessed because depending on the platform model,
721 * the network model can be NULL.
723 XBT_PUBLIC_DATA(surf_network_model_t) surf_network_model;
725 /** \ingroup SURF_models
726 * \brief Same as network model 'LagrangeVelho', only with different correction factors.
728 * This model is proposed by Pierre-Nicolas Clauss and Martin Quinson and Stéphane Génaud
729 * based on the model 'LV08' and different correction factors depending on the communication
730 * size (< 1KiB, < 64KiB, >= 64KiB).
731 * See comments in the code for more information.
733 * \see surf_host_model_init_SMPI()
735 XBT_PUBLIC(void) surf_network_model_init_SMPI(void);
737 /** \ingroup SURF_models
738 * \brief Same as network model 'LagrangeVelho', only with different correction factors.
740 * This model impelments a variant of the contention model on Infinband networks based on
741 * the works of Jérôme Vienne : http://mescal.imag.fr/membres/jean-marc.vincent/index.html/PhD/Vienne.pdf
743 * \see surf_host_model_init_IB()
745 XBT_PUBLIC(void) surf_network_model_init_IB(void);
747 /** \ingroup SURF_models
748 * \brief Initializes the platform with the network model 'LegrandVelho'
750 * This model is proposed by Arnaud Legrand and Pedro Velho based on
751 * the results obtained with the GTNets simulator for onelink and
752 * dogbone sharing scenarios. See comments in the code for more information.
754 * \see surf_host_model_init_LegrandVelho()
756 XBT_PUBLIC(void) surf_network_model_init_LegrandVelho(void);
758 /** \ingroup SURF_models
759 * \brief Initializes the platform with the network model 'Constant'
761 * In this model, the communication time between two network cards is
762 * constant, hence no need for a routing table. This is particularly
763 * usefull when simulating huge distributed algorithms where
764 * scalability is really an issue. This function is called in
765 * conjunction with surf_host_model_init_compound.
767 * \see surf_host_model_init_compound()
769 XBT_PUBLIC(void) surf_network_model_init_Constant(void);
771 /** \ingroup SURF_models
772 * \brief Initializes the platform with the network model CM02
774 * You sould call this function by yourself only if you plan using
775 * surf_host_model_init_compound.
776 * See comments in the code for more information.
778 XBT_PUBLIC(void) surf_network_model_init_CM02(void);
781 /** \ingroup SURF_models
782 * \brief Initializes the platform with the network model NS3
784 * This function is called by surf_host_model_init_NS3
785 * or by yourself only if you plan using surf_host_model_init_compound
787 * \see surf_host_model_init_NS3()
789 XBT_PUBLIC(void) surf_network_model_init_NS3(void);
792 /** \ingroup SURF_models
793 * \brief Initializes the platform with the network model Reno
795 * The problem is related to max( sum( arctan(C * Df * xi) ) ).
798 * [LOW03] S. H. Low. A duality model of TCP and queue management algorithms.
799 * IEEE/ACM Transaction on Networking, 11(4):525-536, 2003.
801 * Call this function only if you plan using surf_host_model_init_compound.
804 XBT_PUBLIC(void) surf_network_model_init_Reno(void);
806 /** \ingroup SURF_models
807 * \brief Initializes the platform with the network model Reno2
809 * The problem is related to max( sum( arctan(C * Df * xi) ) ).
812 * [LOW01] S. H. Low. A duality model of TCP and queue management algorithms.
813 * IEEE/ACM Transaction on Networking, 11(4):525-536, 2003.
815 * Call this function only if you plan using surf_host_model_init_compound.
818 XBT_PUBLIC(void) surf_network_model_init_Reno2(void);
820 /** \ingroup SURF_models
821 * \brief Initializes the platform with the network model Vegas
823 * This problem is related to max( sum( a * Df * ln(xi) ) ) which is equivalent
824 * to the proportional fairness.
827 * [LOW03] S. H. Low. A duality model of TCP and queue management algorithms.
828 * IEEE/ACM Transaction on Networking, 11(4):525-536, 2003.
830 * Call this function only if you plan using surf_host_model_init_compound.
833 XBT_PUBLIC(void) surf_network_model_init_Vegas(void);
835 /** \ingroup SURF_models
836 * \brief The list of all available network model models
838 XBT_PUBLIC_DATA(s_surf_model_description_t)
839 surf_network_model_description[];
841 /** \ingroup SURF_models
842 * \brief The storage model
844 XBT_PUBLIC(void) surf_storage_model_init_default(void);
846 /** \ingroup SURF_models
847 * \brief The list of all available storage modes.
848 * This storage mode can be set using --cfg=storage/model:...
850 XBT_PUBLIC_DATA(s_surf_model_description_t) surf_storage_model_description[];
852 XBT_PUBLIC_DATA(surf_storage_model_t) surf_storage_model;
854 /** \ingroup SURF_models
855 * \brief The host model
857 * Note that when you create an API on top of SURF,
858 * the host model should be the only one you use
859 * because depending on the platform model, the network model and the CPU model
862 XBT_PUBLIC_DATA(surf_host_model_t) surf_host_model;
864 /** \ingroup SURF_models
865 * \brief The vm model
867 * Note that when you create an API on top of SURF,
868 * the vm model should be the only one you use
869 * because depending on the platform model, the network model and the CPU model
872 XBT_PUBLIC_DATA(surf_vm_model_t) surf_vm_model;
874 /** \ingroup SURF_models
875 * \brief Initializes the platform with a compound host model
877 * This function should be called after a cpu_model and a
878 * network_model have been set up.
881 XBT_PUBLIC(void) surf_host_model_init_compound(void);
883 /** \ingroup SURF_models
884 * \brief Initializes the platform with the current best network and cpu models at hand
886 * This platform model separates the host model and the network model.
887 * The host model will be initialized with the model compound, the network
888 * model with the model LV08 (with cross traffic support) and the CPU model with
890 * Such model is subject to modification with warning in the ChangeLog so monitor it!
893 XBT_PUBLIC(void) surf_host_model_init_current_default(void);
895 /** \ingroup SURF_models
896 * \brief Initializes the platform with the model L07
898 * With this model, only parallel tasks can be used. Resource sharing
899 * is done by identifying bottlenecks and giving an equal share of
900 * the model to each action.
903 XBT_PUBLIC(void) surf_host_model_init_ptask_L07(void);
905 /** \ingroup SURF_models
906 * \brief The list of all available host model models
908 XBT_PUBLIC_DATA(s_surf_model_description_t)
909 surf_host_model_description[];
911 /** \ingroup SURF_models
912 * \brief Initializes the platform with the current best network and cpu models at hand
914 * This platform model seperates the host model and the network model.
915 * The host model will be initialized with the model compound, the network
916 * model with the model LV08 (with cross traffic support) and the CPU model with
918 * Such model is subject to modification with warning in the ChangeLog so monitor it!
921 XBT_PUBLIC(void) surf_vm_model_init_HL13(void);
923 /** \ingroup SURF_models
924 * \brief The list of all available vm model models
926 XBT_PUBLIC_DATA(s_surf_model_description_t)
927 surf_vm_model_description[];
929 /*******************************************/
931 /** \ingroup SURF_models
932 * \brief List of initialized models
934 XBT_PUBLIC_DATA(xbt_dynar_t) all_existing_models;
936 /** \ingroup SURF_simulation
937 * \brief List of hosts that have just restarted and whose autorestart process should be restarted.
939 XBT_PUBLIC_DATA(xbt_dynar_t) host_that_restart;
941 /** \ingroup SURF_simulation
942 * \brief List of hosts for which one want to be notified if they ever restart.
944 XBT_PUBLIC_DATA(xbt_dict_t) watched_hosts_lib;
946 /*******************************************/
947 /*** SURF Platform *************************/
948 /*******************************************/
949 XBT_PUBLIC_DATA(AS_t) surf_AS_get_routing_root(void);
950 XBT_PUBLIC_DATA(const char *) surf_AS_get_name(AS_t as);
951 XBT_PUBLIC_DATA(AS_t) surf_AS_get_by_name(const char * name);
952 XBT_PUBLIC_DATA(xbt_dict_t) surf_AS_get_routing_sons(AS_t as);
953 XBT_PUBLIC_DATA(const char *) surf_AS_get_model(AS_t as);
954 XBT_PUBLIC_DATA(xbt_dynar_t) surf_AS_get_hosts(AS_t as);
955 XBT_PUBLIC_DATA(void) surf_AS_get_graph(AS_t as, xbt_graph_t graph, xbt_dict_t nodes, xbt_dict_t edges);
956 XBT_PUBLIC_DATA(AS_t) surf_platf_get_root(routing_platf_t platf);
957 XBT_PUBLIC_DATA(e_surf_network_element_type_t) surf_routing_edge_get_rc_type(sg_netcard_t edge);
959 /*******************************************/
960 /*** SURF Globals **************************/
961 /*******************************************/
963 /** \ingroup SURF_simulation
964 * \brief Initialize SURF
965 * \param argc argument number
966 * \param argv arguments
968 * This function has to be called to initialize the common
969 * structures. Then you will have to create the environment by
971 * e.g. surf_host_model_init_CM02()
973 * \see surf_host_model_init_CM02(), surf_host_model_init_compound(), surf_exit()
975 XBT_PUBLIC(void) surf_init(int *argc, char **argv); /* initialize common structures */
977 /** \ingroup SURF_simulation
978 * \brief Finish simulation initialization
980 * This function must be called before the first call to surf_solve()
982 XBT_PUBLIC(void) surf_presolve(void);
984 /** \ingroup SURF_simulation
985 * \brief Performs a part of the simulation
986 * \param max_date Maximum date to update the simulation to, or -1
987 * \return the elapsed time, or -1.0 if no event could be executed
989 * This function execute all possible events, update the action states
990 * and returns the time elapsed.
991 * When you call execute or communicate on a model, the corresponding actions
992 * are not executed immediately but only when you call surf_solve.
993 * Note that the returned elapsed time can be zero.
995 XBT_PUBLIC(double) surf_solve(double max_date);
997 /** \ingroup SURF_simulation
998 * \brief Return the current time
1000 * Return the current time in millisecond.
1002 XBT_PUBLIC(double) surf_get_clock(void);
1004 /** \ingroup SURF_simulation
1011 XBT_PUBLIC(void) surf_exit(void);
1013 /* Prototypes of the functions that handle the properties */
1014 XBT_PUBLIC_DATA(xbt_dict_t) current_property_set; /* the prop set for the currently parsed element (also used in SIMIX) */
1016 /* The same for model_prop set*/
1017 XBT_PUBLIC_DATA(xbt_dict_t) current_model_property_set;
1019 /* surf parse file related (public because called from a test suite) */
1020 XBT_PUBLIC(void) parse_platform_file(const char *file);
1022 /* For the trace and trace:connect tag (store their content till the end of the parsing) */
1023 XBT_PUBLIC_DATA(xbt_dict_t) traces_set_list;
1024 XBT_PUBLIC_DATA(xbt_dict_t) trace_connect_list_host_avail;
1025 XBT_PUBLIC_DATA(xbt_dict_t) trace_connect_list_power;
1026 XBT_PUBLIC_DATA(xbt_dict_t) trace_connect_list_link_avail;
1027 XBT_PUBLIC_DATA(xbt_dict_t) trace_connect_list_bandwidth;
1028 XBT_PUBLIC_DATA(xbt_dict_t) trace_connect_list_latency;
1031 XBT_PUBLIC(double) get_cpu_speed(const char *power);
1033 XBT_PUBLIC(xbt_dict_t) get_as_router_properties(const char* name);
1035 int surf_get_nthreads(void);
1036 void surf_set_nthreads(int nthreads);
1039 * Returns the initial path. On Windows the initial path is
1040 * the current directory for the current process in the other
1041 * case the function returns "./" that represents the current
1042 * directory on Unix/Linux platforms.
1044 const char *__surf_get_initial_path(void);
1046 /********** Tracing **********/
1047 /* from surf_instr.c */
1048 void TRACE_surf_action(surf_action_t surf_action, const char *category);
1049 void TRACE_surf_alloc(void);
1050 void TRACE_surf_release(void);
1052 /* instr_routing.c */
1053 void instr_routing_define_callbacks (void);
1054 void instr_new_variable_type (const char *new_typename, const char *color);
1055 void instr_new_user_variable_type (const char *father_type, const char *new_typename, const char *color);
1056 void instr_new_user_state_type (const char *father_type, const char *new_typename);
1057 void instr_new_value_for_user_state_type (const char *_typename, const char *value, const char *color);
1058 int instr_platform_traced (void);
1059 xbt_graph_t instr_routing_platform_graph (void);
1060 void instr_routing_platform_graph_export_graphviz (xbt_graph_t g, const char *filename);
1062 /********** Routing **********/
1063 void routing_AS_begin(sg_platf_AS_cbarg_t AS);
1064 void routing_AS_end(void);
1065 surf_NetCard* routing_add_host(surf_As* as, sg_platf_host_cbarg_t host);
1066 void routing_cluster_add_backbone(void* bb);
1067 surf_As* routing_get_current();
1070 #endif /* _SURF_SURF_H */