+typedef struct surf_storage_model_extension_public {
+ surf_action_t(*open) (void *storage, const char* mount, const char* path, const char* mode);
+ surf_action_t(*close) (void *storage, surf_file_t fp);
+ surf_action_t(*read) (void *storage, void* ptr, double size, size_t nmemb, surf_file_t stream);
+ surf_action_t(*write) (void *storage, const void* ptr, size_t size, size_t nmemb, surf_file_t stream);
+ surf_action_t(*stat) (void *storage, surf_file_t stream);
+ surf_action_t(*unlink) (void *storage, surf_file_t stream);
+ surf_action_t(*ls) (void *storage, const char *path);
+} s_surf_model_extension_storage_t;
+
+ /** \ingroup SURF_models
+ * \brief Workstation model extension public
+ *
+ * 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);
+ // FIXME: kill next field, which duplicates the routing
+ 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 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 */
+ surf_action_t(*open) (void *workstation, const char* storage, const char* path, const char* mode);
+ surf_action_t(*close) (void *workstation, surf_file_t fp);
+ surf_action_t(*read) (void *workstation, void* ptr, size_t size, size_t nmemb, surf_file_t stream);
+ surf_action_t(*write) (void *workstation, const void* ptr, size_t size, size_t nmemb, surf_file_t stream);
+ surf_action_t(*stat) (void *workstation, surf_file_t stream);
+ surf_action_t(*unlink) (void *workstation, surf_file_t stream);
+ surf_action_t(*ls) (void *workstation, const char* mount, const char *path);
+
+ int (*link_shared) (const void *link);
+ xbt_dict_t(*get_properties) (const void *resource);
+ void (*add_traces) (void);
+
+} s_surf_model_extension_workstation_t;
+
+
+
+
+/** \ingroup SURF_models
+ * \brief Model datatype
+ *