X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/a2102287f9953ee825e0fce70d3aaa7a2e851493..c94898122fc054483e0e4b0313cd52f385582d2a:/src/include/surf/surf.h diff --git a/src/include/surf/surf.h b/src/include/surf/surf.h index f397c95cf5..85cfe2ff4a 100644 --- a/src/include/surf/surf.h +++ b/src/include/surf/surf.h @@ -11,185 +11,607 @@ #include "xbt/swag.h" #include "xbt/dynar.h" #include "xbt/dict.h" +#include "xbt/misc.h" +#include "portable.h" +#include "xbt/config.h" -/* Actions and resources are higly connected structures... */ -typedef struct surf_action *surf_action_t; -typedef struct surf_resource *surf_resource_t; - -/*****************/ -/* Action object */ -/*****************/ -typedef enum { - SURF_ACTION_READY = 0, /* Ready */ - SURF_ACTION_RUNNING, /* Running */ - SURF_ACTION_FAILED, /* Task Failure */ - SURF_ACTION_DONE, /* Completed */ - SURF_ACTION_TO_FREE, /* Action to free in next cleanup */ - SURF_ACTION_NOT_IN_THE_SYSTEM /* Not in the system anymore. Why did you ask ? */ -} e_surf_action_state_t; - -typedef struct surf_action_state { - xbt_swag_t ready_action_set; - xbt_swag_t running_action_set; - xbt_swag_t failed_action_set; - xbt_swag_t done_action_set; -} s_surf_action_state_t, *surf_action_state_t; - -/* Never create s_surf_action_t by yourself !!!! */ -/* Use action_new from the corresponding resource */ -typedef struct surf_action { - s_xbt_swag_hookup_t state_hookup; - xbt_swag_t state_set; - double cost; /* cost */ - double priority; /* priority (1.0 by default) */ - double max_duration; /* max_duration (may fluctuate until +SG_BEGIN_DECL() + + + +/* Actions and models are higly connected structures... */ +/** \brief Action datatype + * \ingroup SURF_actions + * + * An action is some working amount on a model. + * It is represented as a cost, a priority, a duration and a state. + * + * \see e_surf_action_state_t + */ + typedef struct surf_action *surf_action_t; + +/** \brief Model datatype + * \ingroup SURF_models + * + * Generic data structure for a model. The workstations, + * the CPUs and the network links are examples of models. + */ + typedef struct surf_model *surf_model_t; + +/** \brief Resource model description + */ + typedef struct surf_model_description { + const char *name; + surf_model_t model; + void (*model_init_preparse) (const char *filename); + void (*model_init_postparse) (void); + } s_surf_model_description_t, *surf_model_description_t; + +XBT_PUBLIC(void) update_model_description(s_surf_model_description_t * table, + const char *name, + surf_model_t model); +XBT_PUBLIC(int) find_model_description(s_surf_model_description_t * table, + const char *name); + +/** \brief Action structure + * \ingroup SURF_actions + * + * Never create s_surf_action_t by yourself ! The actions are created + * on the fly when you call execute or communicate on a model. + * + * \see e_surf_action_state_t + */ + typedef struct surf_action { + s_xbt_swag_hookup_t state_hookup; + xbt_swag_t state_set; + double cost; /**< cost */ + double priority; /**< priority (1.0 by default) */ + double max_duration; /**< max_duration (may fluctuate until the task is completed) */ - double remains; /* How much of that cost remains to + double remains; /**< How much of that cost remains to * be done in the currently running task */ - double start; /* start time */ - double finish; /* finish time : this is modified during the run + double start; /**< start time */ + double finish; /**< finish time : this is modified during the run * and fluctuates until the task is completed */ - void *data; /* for your convenience */ - int using; - surf_resource_t resource_type; -} s_surf_action_t; + void *data; /**< for your convenience */ + int refcount; + surf_model_t model_type; + } s_surf_action_t; + +/** \brief Action states + * \ingroup SURF_actions + * + * Action states. + * + * \see surf_action_t, surf_action_state_t + */ + typedef enum { + SURF_ACTION_READY = 0, /**< Ready */ + SURF_ACTION_RUNNING, /**< Running */ + SURF_ACTION_FAILED, /**< Task Failure */ + SURF_ACTION_DONE, /**< Completed */ + SURF_ACTION_TO_FREE, /**< Action to free in next cleanup */ + SURF_ACTION_NOT_IN_THE_SYSTEM + /**< Not in the system anymore. Why did you ask ? */ + } e_surf_action_state_t; + +/** \brief Action state sets + * \ingroup SURF_actions + * + * This structure contains some sets of actions. + * It provides a fast access to the actions in each state. + * + * \see surf_action_t, e_surf_action_state_t + */ + typedef struct surf_action_state { + xbt_swag_t ready_action_set; + /**< Actions in state SURF_ACTION_READY */ + xbt_swag_t running_action_set; + /**< Actions in state SURF_ACTION_RUNNING */ + xbt_swag_t failed_action_set; + /**< Actions in state SURF_ACTION_FAILED */ + xbt_swag_t done_action_set; + /**< Actions in state SURF_ACTION_DONE */ + } s_surf_action_state_t, *surf_action_state_t; /***************************/ -/* Generic resource object */ +/* Generic model object */ /***************************/ -typedef struct surf_resource_private *surf_resource_private_t; -typedef struct surf_resource_public { - s_surf_action_state_t states; /* Any living action on this resource */ - void *(*name_service) (const char *name); - const char *(*get_resource_name) (void *resource_id); - - e_surf_action_state_t(*action_get_state) (surf_action_t action); - void (*action_use) (surf_action_t action); - int (*action_free) (surf_action_t action); - void (*action_cancel) (surf_action_t action); - void (*action_recycle) (surf_action_t action); - void (*action_change_state) (surf_action_t action, - e_surf_action_state_t state); - void (*action_set_data) (surf_action_t action, void *data); - void (*suspend) (surf_action_t action); - void (*resume) (surf_action_t action); - int (*is_suspended) (surf_action_t action); - void (*set_max_duration) (surf_action_t action, double duration); - void (*set_priority) (surf_action_t action, double priority); - const char *name; -} s_surf_resource_public_t, *surf_resource_public_t; - -typedef struct surf_resource { - surf_resource_private_t common_private; - surf_resource_public_t common_public; -} s_surf_resource_t; +/** \brief Private data available on all models + * \ingroup SURF_models + */ + typedef struct surf_model_private *surf_model_private_t; + + /** \brief Timer model extension public + * \ingroup SURF_model + * + * Additionnal functions specific to the timer model + */ + typedef struct surf_timer_model_extension_public { + void (*set) (double date, void *function, void *arg); + int (*get) (void **function, void **arg); + } s_surf_model_extension_timer_t; + + /* Cpu model */ + + /** \brief CPU state + * \ingroup SURF_models + */ + typedef enum { + SURF_CPU_ON = 1, /**< Up & ready */ + SURF_CPU_OFF = 0 /**< Down & broken */ + } e_surf_cpu_state_t; + + /** \brief CPU model extension public + * \ingroup SURF_models + * + * Public functions specific to the CPU model. + */ + typedef struct surf_cpu_model_extension_public { + surf_action_t(*execute) (void *cpu, double size); + surf_action_t(*sleep) (void *cpu, double duration); + e_surf_cpu_state_t(*get_state) (void *cpu); + double (*get_speed) (void *cpu, double load); + double (*get_available_speed) (void *cpu); + } s_surf_model_extension_cpu_t; + + /* Network model */ + + /** \brief Network model extension public + * \ingroup SURF_models + * + * Public functions specific to the network model + */ + typedef struct surf_network_model_extension_public { + surf_action_t(*communicate) (void *src, void *dst, double size, + double max_rate); + const void **(*get_route) (void *src, void *dst); + int (*get_route_size) (void *src, void *dst); + double (*get_link_bandwidth) (const void *link); + double (*get_link_latency) (const void *link); + int (*link_shared) (const void *link); + } s_surf_model_extension_network_t; + + /** \brief Workstation model extension public + * \ingroup SURF_models + * + * Public functions specific to the workstation model. + */ + typedef struct surf_workstation_model_extension_public { + surf_action_t(*execute) (void *workstation, double size); /**< Execute a computation amount on a workstation + and create the corresponding action */ + surf_action_t(*sleep) (void *workstation, double duration); /**< Make a workstation sleep during a given duration */ + e_surf_cpu_state_t(*get_state) (void *workstation); /**< Return the CPU state of a workstation */ + double (*get_speed) (void *workstation, double load); /**< Return the speed of a workstation */ + double (*get_available_speed) (void *workstation); /**< Return tha available speed of a workstation */ + surf_action_t(*communicate) (void *workstation_src, /**< Execute a communication amount between two workstations */ + void *workstation_dst, double size, + double max_rate); + + surf_action_t(*execute_parallel_task) (int workstation_nb, /**< Execute a parallel task on several workstations */ + void **workstation_list, + double *computation_amount, + double *communication_amount, + double amount, double rate); + const void **(*get_route) (void *src, void *dst); /**< Return the network link list between two workstations */ + int (*get_route_size) (void *src, void *dst); /**< Return the route size between two workstations */ + double (*get_link_bandwidth) (const void *link); /**< Return the current bandwidth of a network link */ + double (*get_link_latency) (const void *link); /**< Return the current latency of a network link */ + int (*link_shared) (const void *link); + } s_surf_model_extension_workstation_t; +/** \brief Model datatype + * \ingroup SURF_models + * + * Generic data structure for a model. The workstations, + * the CPUs and the network links are examples of models. + */ + typedef struct surf_model { + const char *name;/**< Name of this model */ + s_surf_action_state_t states; /**< Any living action on this model */ + + e_surf_action_state_t(*action_get_state) (surf_action_t action);/**< Return the state of an action */ + double (*action_get_start_time) (surf_action_t action);/**< Return the start time of an action */ + double (*action_get_finish_time) (surf_action_t action);/**< Return the finish time of an action */ + void (*action_use) (surf_action_t action);/**< Set an action used */ + int (*action_free) (surf_action_t action);/**< Free an action */ + void (*action_cancel) (surf_action_t action);/**< Cancel a running action */ + void (*action_recycle) (surf_action_t action);/**< Recycle an action */ + void (*action_change_state) (surf_action_t action, + e_surf_action_state_t state); + /**< Change an action state*/ + void (*action_set_data) (surf_action_t action, void *data);/**< Set the user data of an action */ + void (*suspend) (surf_action_t action);/**< Suspend an action */ + void (*resume) (surf_action_t action);/**< Resume a suspended action */ + int (*is_suspended) (surf_action_t action);/**< Return whether an action is suspended */ + void (*set_max_duration) (surf_action_t action, double duration);/**< Set the max duration of an action*/ + void (*set_priority) (surf_action_t action, double priority);/**< Set the priority of an action */ + xbt_dict_t(*get_properties) (void *resource_id);/**< Return the properties dictionary */ + xbt_dict_t resource_set; + + + + surf_model_private_t model_private; + + + + union extension { + s_surf_model_extension_timer_t timer; + s_surf_model_extension_cpu_t cpu; + s_surf_model_extension_network_t network; + s_surf_model_extension_workstation_t workstation; + } extension; + } s_surf_model_t; + + surf_model_t surf_model_init(void); + void surf_model_exit(surf_model_t model); + + void *surf_model_resource_by_name(surf_model_t model, const char *name); +#define surf_model_resource_set(model) (model)->resource_set + + typedef struct surf_resource { + surf_model_t model; + char *name; + } s_surf_resource_t, *surf_resource_t; + +XBT_PUBLIC(const char*) surf_resource_name(const void *resource); +XBT_PUBLIC(void) surf_resource_free(void* resource); /**************************************/ -/* Implementations of resource object */ +/* Implementations of model object */ /**************************************/ -/* Timer resource */ -typedef struct surf_timer_resource_extension_private -*surf_timer_resource_extension_private_t; -typedef struct surf_timer_resource_extension_public { - void (*set) (double date, void *function, void *arg); - int (*get) (void **function, void **arg); -} s_surf_timer_resource_extension_public_t, - *surf_timer_resource_extension_public_t; - -typedef struct surf_timer_resource { - surf_resource_private_t common_private; - surf_resource_public_t common_public; - surf_timer_resource_extension_public_t extension_public; -} s_surf_timer_resource_t, *surf_timer_resource_t; -extern surf_timer_resource_t surf_timer_resource; -void surf_timer_resource_init(const char *filename); - -/* Cpu resource */ -typedef enum { - SURF_CPU_ON = 1, /* Ready */ - SURF_CPU_OFF = 0 /* Running */ -} e_surf_cpu_state_t; - -typedef struct surf_cpu_resource_extension_private -*surf_cpu_resource_extension_private_t; -typedef struct surf_cpu_resource_extension_public { - surf_action_t(*execute) (void *cpu, double size); - surf_action_t(*sleep) (void *cpu, double duration); - e_surf_cpu_state_t(*get_state) (void *cpu); - double (*get_speed) (void *cpu, double load); -} s_surf_cpu_resource_extension_public_t, - *surf_cpu_resource_extension_public_t; - -typedef struct surf_cpu_resource { - surf_resource_private_t common_private; - surf_resource_public_t common_public; - surf_cpu_resource_extension_public_t extension_public; -} s_surf_cpu_resource_t, *surf_cpu_resource_t; -extern surf_cpu_resource_t surf_cpu_resource; -void surf_cpu_resource_init_Cas01(const char *filename); - -/* Network resource */ -typedef struct surf_network_resource_extension_private -*surf_network_resource_extension_private_t; -typedef struct surf_network_resource_extension_public { - surf_action_t(*communicate) (void *src, void *dst, double size, - double max_rate); -} s_surf_network_resource_extension_public_t, - *surf_network_resource_extension_public_t; - -typedef struct surf_network_resource { - surf_resource_private_t common_private; - surf_resource_public_t common_public; - surf_network_resource_extension_public_t extension_public; -} s_surf_network_resource_t, *surf_network_resource_t; - -extern surf_network_resource_t surf_network_resource; -void surf_network_resource_init_CM02(const char *filename); - -/* Workstation resource */ -typedef struct surf_workstation_resource_extension_private -*surf_workstation_resource_extension_private_t; -typedef struct surf_workstation_resource_extension_public { - surf_action_t(*execute) (void *workstation, double size); - surf_action_t(*sleep) (void *workstation, double duration); - e_surf_cpu_state_t(*get_state) (void *workstation); - double (*get_speed) (void *workstation, double load); - surf_action_t(*communicate) (void *workstation_src, - void *workstation_dst, double size, - double max_rate); - surf_action_t(*execute_parallel_task) (int workstation_nb, - void **workstation_list, - double *computation_amount, - double *communication_amount, - double amount, - double rate); -} s_surf_workstation_resource_extension_public_t, - *surf_workstation_resource_extension_public_t; - -typedef struct surf_workstation_resource { - surf_resource_private_t common_private; - surf_resource_public_t common_public; - surf_workstation_resource_extension_public_t extension_public; -} s_surf_workstation_resource_t, *surf_workstation_resource_t; - -extern surf_workstation_resource_t surf_workstation_resource; -void surf_workstation_resource_init_CLM03(const char *filename); -void surf_workstation_resource_init_KCCFLN05(const char *filename); -extern xbt_dict_t workstation_set; + + +/** \brief The timer model + * \ingroup SURF_models + */ +XBT_PUBLIC_DATA(surf_model_t) surf_timer_model; + +/** \brief Initializes the timer model + * \ingroup SURF_models + */ +XBT_PUBLIC(void) surf_timer_model_init(const char *filename); + +/** \brief The CPU model + * \ingroup SURF_models + */ +XBT_PUBLIC_DATA(surf_model_t) surf_cpu_model; + +/** \brief Initializes the CPU model with the model Cas01 + * \ingroup SURF_models + * + * This function is called by surf_workstation_model_init_CLM03 + * so you shouldn't have to call it by yourself. + * + * \see surf_workstation_model_init_CLM03() + */ +XBT_PUBLIC(void) surf_cpu_model_init_Cas01(const char *filename); + +/** \brief The list of all available cpu model models + * \ingroup SURF_models + */ +XBT_PUBLIC_DATA(s_surf_model_description_t) surf_cpu_model_description[]; + +XBT_PUBLIC(void) create_workstations(void); + +/** \brief The network model + * \ingroup SURF_models + * + * When creating a new API on top on SURF, you shouldn't use the + * network model unless you know what you are doing. Only the workstation + * model should be accessed because depending on the platform model, + * the network model can be NULL. + */ +XBT_PUBLIC_DATA(surf_model_t) surf_network_model; + +/** \brief Initializes the platform with the network model 'LagrangeVelho' + * \ingroup SURF_models + * \param filename XML platform file name + * + * This model is proposed by Arnaud Legrand and Pedro Velho based on + * the results obtained with the GTNets simulator for onelink and + * dogbone sharing scenarios. + * + * \see surf_workstation_model_init_LegrandVelho() + */ +XBT_PUBLIC(void) surf_network_model_init_LegrandVelho(const char *filename); + +/** \brief Initializes the platform with the network model 'Constant' + * \ingroup SURF_models + * \param filename XML platform file name + * + * In this model, the communication time between two network cards is + * constant, hence no need for a routing table. This is particularly + * usefull when simulating huge distributed algorithms where + * scalability is really an issue. This function is called in + * conjunction with surf_workstation_model_init_compound. + * + * \see surf_workstation_model_init_compound() + */ +XBT_PUBLIC(void) surf_network_model_init_Constant(const char *filename); + +/** \brief Initializes the platform with the network model CM02 + * \ingroup SURF_models + * \param filename XML platform file name + * + * This function is called by surf_workstation_model_init_CLM03 + * or by yourself only if you plan using surf_workstation_model_init_compound + * + * \see surf_workstation_model_init_CLM03() + */ +XBT_PUBLIC(void) surf_network_model_init_CM02(const char *filename); + +#ifdef HAVE_GTNETS +/** \brief Initializes the platform with the network model GTNETS + * \ingroup SURF_models + * \param filename XML platform file name + * + * This function is called by surf_workstation_model_init_GTNETS + * or by yourself only if you plan using surf_workstation_model_init_compound + * + * \see surf_workstation_model_init_GTNETS() + */ +XBT_PUBLIC(void) surf_network_model_init_GTNETS(const char *filename); +#endif + +/** \brief Initializes the platform with the network model Reno + * \ingroup SURF_models + * \param filename XML platform file name + * + * The problem is related to max( sum( arctan(C * Df * xi) ) ). + * + * Reference: + * [LOW03] S. H. Low. A duality model of TCP and queue management algorithms. + * IEEE/ACM Transaction on Networking, 11(4):525-536, 2003. + * + * Call this function only if you plan using surf_workstation_model_init_compound. + * + */ +XBT_PUBLIC(void) surf_network_model_init_Reno(const char *filename); + +/** \brief Initializes the platform with the network model Reno2 + * \ingroup SURF_models + * \param filename XML platform file name + * + * The problem is related to max( sum( arctan(C * Df * xi) ) ). + * + * Reference: + * [LOW01] S. H. Low. A duality model of TCP and queue management algorithms. + * IEEE/ACM Transaction on Networking, 11(4):525-536, 2003. + * + * Call this function only if you plan using surf_workstation_model_init_compound. + * + */ +XBT_PUBLIC(void) surf_network_model_init_Reno2(const char *filename); + +/** \brief Initializes the platform with the network model Vegas + * \ingroup SURF_models + * \param filename XML platform file name + * + * This problem is related to max( sum( a * Df * ln(xi) ) ) which is equivalent + * to the proportional fairness. + * + * Reference: + * [LOW03] S. H. Low. A duality model of TCP and queue management algorithms. + * IEEE/ACM Transaction on Networking, 11(4):525-536, 2003. + * + * Call this function only if you plan using surf_workstation_model_init_compound. + * + */ +XBT_PUBLIC(void) surf_network_model_init_Vegas(const char *filename); + +#ifdef HAVE_SDP +/** \brief Initializes the platform with the network model based on SDP + * \ingroup SURF_models + * \param filename XML platform file name + * + * This function implements the proportional fairness known as the maximization + * of x1*x2*...*xn . + * + * Reference: + * + * [TAG03]. Corinne Touati, Eitan Altman, and Jerome Galtier. + * Semi-definite programming approach for bandwidth allocation and routing in networks. + * Game Theory and Applications, 9:169-179, December 2003. Nova publisher. + * + * Call this function only if you plan using surf_workstation_model_init_compound. + */ +XBT_PUBLIC(void) surf_network_model_init_SDP(const char *filename); +#endif + +/** \brief The list of all available network model models + * \ingroup SURF_models + */ +XBT_PUBLIC_DATA(s_surf_model_description_t) surf_network_model_description[]; + + +/** \brief The workstation model + * \ingroup SURF_models + * + * Note that when you create an API on top of SURF, + * the workstation model should be the only one you use + * because depending on the platform model, the network model and the CPU model + * may not exist. + */ +XBT_PUBLIC_DATA(surf_model_t) surf_workstation_model; + +/** \brief Initializes the platform with a compound workstation model + * \ingroup SURF_models + * \param filename XML platform file name + * + * This function should be called after a cpu_model and a + * network_model have been set up. + * + */ +XBT_PUBLIC(void) surf_workstation_model_init_compound(const char *filename); + +/** \brief Initializes the platform with the workstation model CLM03 + * \ingroup SURF_models + * \param filename XML platform file name + * + * This platform model seperates the workstation model and the network model. + * The workstation model will be initialized with the model CLM03, the network + * model with the model CM02 and the CPU model with the model Cas01. + * In future releases, some other network models will be implemented and will be + * combined with the workstation model CLM03. + * + * \see surf_workstation_model_init_KCCFLN05() + */ +XBT_PUBLIC(void) surf_workstation_model_init_CLM03(const char *filename); + +/** \brief Initializes the platform with the model KCCFLN05 + * \ingroup SURF_models + * \param filename XML platform file name + * + * With this model, the workstations and the network are handled + * together. The network model is roughly the same as in CM02 but + * interference between computations and communications can be taken + * into account. This platform model is the default one for MSG and + * SimDag. + * + */ +XBT_PUBLIC(void) surf_workstation_model_init_KCCFLN05(const char *filename); + +/** \brief Initializes the platform with the model KCCFLN05 + * \ingroup SURF_models + * \param filename XML platform file name + * + * With this model, only parallel tasks can be used. Resource sharing + * is done by identifying bottlenecks and giving an equal share of + * the model to each action. + * + */ +XBT_PUBLIC(void) surf_workstation_model_init_ptask_L07(const char *filename); + +/** \brief The list of all available workstation model models + * \ingroup SURF_models + */ +XBT_PUBLIC_DATA(s_surf_model_description_t) + surf_workstation_model_description[]; + +/** \brief The network links + * \ingroup SURF_models + * + * This dict contains all network links. + * + * \see workstation_set + */ +XBT_PUBLIC_DATA(xbt_dict_t) link_set; + +/** \brief The workstations + * \ingroup SURF_models + * + * This dict contains all workstations. + * + * \see link_set + */ +/** \brief List of initialized models + * \ingroup SURF_models + */ +XBT_PUBLIC_DATA(xbt_dynar_t) model_list; /*******************************************/ /*** SURF Globals **************************/ /*******************************************/ +XBT_PUBLIC_DATA(xbt_cfg_t) _surf_cfg_set; + +/** \brief Initialize SURF + * \ingroup SURF_simulation + * \param argc argument number + * \param argv arguments + * + * This function has to be called to initialize the common + * structures. Then you will have to create the environment by + * calling surf_timer_model_init() and + * e.g. surf_workstation_model_init_CLM03() or + * surf_workstation_model_init_KCCFLN05(). + * + * \see surf_timer_model_init(), surf_workstation_model_init_CLM03(), + * surf_workstation_model_init_KCCFLN05(), surf_workstation_model_init_compound(), surf_exit() + */ +XBT_PUBLIC(void) surf_init(int *argc, char **argv); /* initialize common structures */ + +/** \brief Initialize the used models. + * + * Must be called after the surf_init so that configuration infrastructure is created + * Must be called before parsing/creating the environment + * Must not be called within the initialization process so that the use get a chance to change the settings from + * its code between, say, MSG_init and MSG_create_environment using MSG_config + */ +XBT_PUBLIC(void) surf_config_models_setup(const char *platform_file); + +/** \brief create the elements of the models + * + * Must be called after parsing the platform file and before using any elements + */ +XBT_PUBLIC(void) surf_config_models_create_elms(void); + +/** \brief Finish simulation initialization + * \ingroup SURF_simulation + * + * This function must be called before the first call to surf_solve() + */ +XBT_PUBLIC(void) surf_presolve(void); + +/** \brief Performs a part of the simulation + * \ingroup SURF_simulation + * \return the elapsed time, or -1.0 if no event could be executed + * + * This function execute all possible events, update the action states + * and returns the time elapsed. + * When you call execute or communicate on a model, the corresponding actions + * are not executed immediately but only when you call surf_solve. + * Note that the returned elapsed time can be zero. + */ +XBT_PUBLIC(double) surf_solve(void); + +/** \brief Return the current time + * \ingroup SURF_simulation + * + * Return the current time in millisecond. + */ +XBT_PUBLIC(double) surf_get_clock(void); + +/** \brief Exit SURF + * \ingroup SURF_simulation + * + * Clean everything. + * + * \see surf_init() + */ +XBT_PUBLIC(void) surf_exit(void); + +/* Prototypes of the functions that handle the properties */ +XBT_PUBLIC_DATA(xbt_dict_t) current_property_set; /* the prop set for the currently parsed element (also used in SIMIX) */ +XBT_PUBLIC_DATA(void) parse_properties(void); + +/* surf parse file related (public because called from a test suite) */ +XBT_PUBLIC(void) parse_platform_file(const char *file); + +/* Stores the sets */ +XBT_PUBLIC_DATA(xbt_dict_t) set_list; + +XBT_PUBLIC_DATA(void) manage_route(xbt_dict_t route_table, + const char *route_name, int action, + int isMultiRoute); +XBT_PUBLIC_DATA(int) route_action; + +/* This is used by all models when creating the routing table while parsing */ +XBT_PUBLIC_DATA(xbt_dict_t) route_table; +XBT_PUBLIC_DATA(xbt_dict_t) route_multi_table; + + +/* For the trace and trace:connect tag (store their content till the end of the parsing) */ +XBT_PUBLIC_DATA(xbt_dict_t) traces_set_list; +XBT_PUBLIC_DATA(xbt_dict_t) trace_connect_list_host_avail; +XBT_PUBLIC_DATA(xbt_dict_t) trace_connect_list_power; +XBT_PUBLIC_DATA(xbt_dict_t) trace_connect_list_link_avail; +XBT_PUBLIC_DATA(xbt_dict_t) trace_connect_list_bandwidth; +XBT_PUBLIC_DATA(xbt_dict_t) trace_connect_list_latency; -void surf_init(int *argc, char **argv); /* initialize common structures */ -extern xbt_dynar_t resource_list; /* list of initialized resources */ +XBT_PUBLIC_DATA(double) get_cpu_power(const char *power); -double surf_solve(void); /* update all states and returns - the time elapsed since last - event */ -double surf_get_clock(void); -void surf_exit(void); /* clean everything */ -#endif /* _SURF_SURF_H */ +SG_END_DECL() +#endif /* _SURF_SURF_H */