+ typedef struct s_routing s_routing_t, *routing_t;
+XBT_PUBLIC_DATA(routing_t) used_routing;
+
+/** \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 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_resource_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) (const char *src_name,
+ const char *dst_name, int src, int dst,
+ double size, double rate);
+ xbt_dynar_t(*get_route) (int src, int 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_resource_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);
+ xbt_dynar_t(*get_route) (void *workstation_src, void *workstation_dst); /**< Get the list of links between two ws */
+
+ 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);
+ 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);
+ xbt_dict_t(*get_properties) (const void *resource);
+ } 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_state_get) (surf_action_t action);
+ /**< Return the state of an action */
+ void (*action_state_set) (surf_action_t action,
+ e_surf_action_state_t state);
+ /**< Change an action state*/
+
+ 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 */
+ int (*action_unref) (surf_action_t action);/**< Specify that we don't use that action anymore */
+ void (*action_cancel) (surf_action_t action);/**< Cancel a running action */
+ void (*action_recycle) (surf_action_t action);/**< Recycle an action */
+ void (*action_data_set) (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 */
+ double (*get_remains) (surf_action_t action);/**< Get the remains of an action */
+
+ 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;
+ xbt_dict_t properties;
+ } s_surf_resource_t, *surf_resource_t;
+
+
+
+/**
+ * Resource which have a metric handled by a maxmin system
+ */
+ typedef struct {
+ double scale;
+ double peak;
+ tmgr_trace_event_t event;
+ } s_surf_metric_t;