+ int (*link_shared) (const void *link);
+ void (*add_traces) (void);
+} s_surf_model_extension_network_t;
+
+/* Storage model */
+
+/** \ingroup SURF_models
+ * \brief Storage model extension public
+ *
+ * Public functions specific to the Storage model.
+ */
+
+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
+ *
+ * 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. Returns true if the action was destroyed and false if someone still has references on it. */
+ 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 */
+#ifdef HAVE_TRACING
+ void (*set_category) (surf_action_t action, const char *category); /**< Set the category of an action */
+#endif
+ double (*get_remains) (surf_action_t action); /**< Get the remains of an action */
+#ifdef HAVE_LATENCY_BOUND_TRACKING
+ int (*get_latency_limited) (surf_action_t action); /**< Return 1 if action is limited by latency, 0 otherwise */
+#endif
+
+ void (*gap_remove) (surf_action_lmm_t action);
+
+ surf_model_private_t model_private;
+
+ union extension {
+ s_surf_model_extension_cpu_t cpu;
+ s_surf_model_extension_network_t network;
+ s_surf_model_extension_storage_t storage;
+ s_surf_model_extension_workstation_t workstation;
+ /*******************************************/
+ /* TUTORIAL: New model */
+ s_surf_model_extension_new_model_t new_model;
+ /*******************************************/
+ } extension;
+} s_surf_model_t;
+
+surf_model_t surf_model_init(void);
+void surf_model_exit(surf_model_t model);
+
+static inline void *surf_cpu_resource_priv(const void *host) {
+ return xbt_lib_get_level((void *)host, SURF_CPU_LEVEL);
+}
+static inline void *surf_workstation_resource_priv(const void *host){
+ return xbt_lib_get_level((void *)host, SURF_WKS_LEVEL);
+}
+static inline void *surf_storage_resource_priv(const void *host){
+ return xbt_lib_get_level((void *)host, SURF_STORAGE_LEVEL);
+}
+
+static inline void *surf_cpu_resource_by_name(const char *name) {
+ return xbt_lib_get_elm_or_null(host_lib, name);
+}
+static inline void *surf_workstation_resource_by_name(const char *name){
+ return xbt_lib_get_elm_or_null(host_lib, name);
+}
+static inline void *surf_storage_resource_by_name(const char *name){
+ return xbt_lib_get_elm_or_null(storage_lib, name);
+}