Logo AND Algorithmique Numérique Distribuée

Public GIT Repository
useless cleanup
[simgrid.git] / src / include / surf / surf.h
index 66e7041..267a97a 100644 (file)
 
 #include "xbt/swag.h"
 #include "xbt/dynar.h"
+#include "xbt/dict.h"
+#include "xbt/misc.h"
+#include "gras_config.h"
+
+SG_BEGIN_DECL()
+
+
 
 /* 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_NOT_IN_THE_SYSTEM        /* Not in the system anymore. Why did you ask ? */
-} e_surf_action_state_t;
+/** \brief Action datatype
+ *  \ingroup SURF_actions
+ *  
+ * An action is some working amount on a resource.
+ * 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;
 
-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;
+/** \brief Resource datatype
+ *  \ingroup SURF_resources
+ *  
+ *  Generic data structure for a resource. The workstations,
+ *  the CPUs and the network links are examples of resources.
+ */
+typedef struct surf_resource *surf_resource_t;
 
-/* Never create s_surf_action_t by yourself !!!! */
-/* Use action_new from the corresponding resource */
+/** \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 resource.
+ *  
+ *  \see e_surf_action_state_t
+ */
 typedef struct surf_action {
   s_xbt_swag_hookup_t state_hookup;
   xbt_swag_t state_set;
-  xbt_maxmin_float_t cost;     /* cost        */
-  xbt_maxmin_float_t max_duration;     /* max_duration (may fluctuate until
-                                          the task is completed) */
-  xbt_maxmin_float_t remains;  /* How much of that cost remains to
+  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
                                 * be done in the currently running task */
-  xbt_heap_float_t start;      /* start time  */
-  xbt_heap_float_t 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 *callback;              /* for your convenience */
+  void *data;                  /**< for your convenience */
+  int using;
   surf_resource_t resource_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 */
 /***************************/
 
-typedef struct surf_resource_private *surf_resource_private_t;
+/** \brief Public data available on all resources
+ *  \ingroup SURF_resources
+ *
+ *  These functions are implemented by all resources.
+ */
 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_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,
+  s_surf_action_state_t states;        /**< Any living action on this resource */
+  void *(*name_service) (const char *name); /**< Return a resource given its name */
+  const char *(*get_resource_name) (void *resource_id); /**< Return the name of a resource */
+
+  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, /**< Change an action state*/
                               e_surf_action_state_t state);
-  const char *name;
+  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 */
+  const char *name; /**< Name of this resource */
 } s_surf_resource_public_t, *surf_resource_public_t;
 
+/** \brief Private data available on all resources
+ *  \ingroup SURF_resources
+ */
+typedef struct surf_resource_private *surf_resource_private_t;
+
+/** \brief Resource datatype
+ *  \ingroup SURF_resources
+ *  
+ *  Generic data structure for a resource. The workstations,
+ *  the CPUs and the network links are examples of resources.
+ */
 typedef struct surf_resource {
   surf_resource_private_t common_private;
   surf_resource_public_t common_public;
 } s_surf_resource_t;
 
-typedef struct surf_resource_object {
-  surf_resource_t resource;
-} s_surf_resource_object_t, *surf_resource_object_t;
-
 /**************************************/
 /* Implementations of resource object */
 /**************************************/
+
+/** \brief Timer resource extension public
+ * \ingroup SURF_resource
+ *
+ * Additionnal functions specific to the timer resource
+ */
+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;
+
+/** \brief Timer resource
+ *  \ingroup SURF_resources
+ */
+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;
+
+/** \brief The timer resource
+ *  \ingroup SURF_resources
+ */
+XBT_PUBLIC_DATA(surf_timer_resource_t) surf_timer_resource;
+
+/** \brief Initializes the timer resource
+ *  \ingroup SURF_resources
+ */
+XBT_PUBLIC(void) surf_timer_resource_init(const char *filename);
+
 /* Cpu resource */
+
+/** \brief CPU state
+ *  \ingroup SURF_resources
+ */
 typedef enum {
-  SURF_CPU_ON = 1,             /* Ready        */
-  SURF_CPU_OFF = 0             /* Running      */
+  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;
+/** \brief CPU resource extension public
+ *  \ingroup SURF_resources
+ *  
+ *  Public functions specific to the CPU resource.
+ */
 typedef struct surf_cpu_resource_extension_public {
-  surf_action_t(*execute) (void *cpu, xbt_maxmin_float_t size);
-  surf_action_t(*sleep) (void *cpu, xbt_maxmin_float_t duration);
-  void (*suspend) (surf_action_t action);
-  void (*resume) (surf_action_t action);
-   e_surf_cpu_state_t(*get_state) (void *cpu);
+  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_cpu_resource_extension_public_t,
     *surf_cpu_resource_extension_public_t;
 
+/** \brief CPU resource datatype
+ *  \ingroup SURF_resources
+ */
 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(const char *filename);
+
+/** \brief The CPU resource
+ *  \ingroup SURF_resources
+ */
+XBT_PUBLIC_DATA(surf_cpu_resource_t) surf_cpu_resource;
+
+/** \brief Initializes the CPU resource with the model Cas01
+ *  \ingroup SURF_resources
+ *
+ *  This function is called by surf_workstation_resource_init_CLM03
+ *  so you shouldn't have to call it by yourself.
+ *
+ *  \see surf_workstation_resource_init_CLM03()
+ */
+XBT_PUBLIC(void) surf_cpu_resource_init_Cas01(const char *filename);
 
 /* Network resource */
-typedef struct surf_network_resource_extension_private
-*surf_network_resource_extension_private_t;
+
+/** \brief Network resource extension public
+ *  \ingroup SURF_resources
+ *
+ *  Public functions specific to the network resource
+ */
 typedef struct surf_network_resource_extension_public {
-  surf_action_t(*communicate) (void *src, void *dst,
-                              xbt_maxmin_float_t size);
+  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);
+  const char* (*get_link_name) (const void *link);
+  double (*get_link_bandwidth) (const void *link);
+  double (*get_link_latency) (const void *link);
 } s_surf_network_resource_extension_public_t,
     *surf_network_resource_extension_public_t;
 
+/** \brief Network resource datatype
+ *  \ingroup SURF_resources
+ */
 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(const char *filename);
+/** \brief The network resource
+ *  \ingroup SURF_resources
+ *
+ *  When creating a new API on top on SURF, you shouldn't use the
+ *  network resource unless you know what you are doing. Only the workstation
+ *  resource should be accessed because depending on the platform model,
+ *  the network resource can be NULL.
+ */
+XBT_PUBLIC_DATA(surf_network_resource_t) surf_network_resource;
+
+/** \brief Initializes the platform with the network model CM02
+ *  \ingroup SURF_resources
+ *  \param filename XML platform file name
+ *
+ *  This function is called by surf_workstation_resource_init_CLM03
+ *  so you shouldn't call it by yourself.
+ *
+ *  \see surf_workstation_resource_init_CLM03()
+ */
+XBT_PUBLIC(void) surf_network_resource_init_CM02(const char *filename);
 
-/* Workstation resource */
-typedef struct surf_workstation_resource_extension_private
-*surf_workstation_resource_extension_private_t;
+/** \brief Workstation resource extension public
+ *  \ingroup SURF_resources
+ *
+ *  Public functions specific to the workstation resource.
+ */
 typedef struct surf_workstation_resource_extension_public {
-  surf_action_t(*execute) (void *workstation, xbt_maxmin_float_t size);
-  surf_action_t(*sleep) (void *workstation, xbt_maxmin_float_t duration);
-  void (*suspend) (surf_action_t action);
-  void (*resume) (surf_action_t action);
-   e_surf_cpu_state_t(*get_state) (void *workstation);
-   surf_action_t(*communicate) (void *workstation_src,
-                               void *workstation_dst,
-                               xbt_maxmin_float_t size);
+  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 */
+  const char* (*get_link_name) (const void *link);                     /**< Return the name of a network link */
+  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 */
 } s_surf_workstation_resource_extension_public_t,
     *surf_workstation_resource_extension_public_t;
 
+/** \brief Workstation resource datatype.
+ *  \ingroup SURF_resources
+ *
+ */
 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(const char *filename);
+/** \brief The workstation resource
+ *  \ingroup SURF_resources
+ *
+ *  Note that when you create an API on top of SURF,
+ *  the workstation resource should be the only one you use
+ *  because depending on the platform model, the network resource and the CPU resource
+ *  may not exist.
+ */
+XBT_PUBLIC_DATA(surf_workstation_resource_t) surf_workstation_resource;
+
+/** \brief Initializes the platform with the workstation model CLM03
+ *  \ingroup SURF_resources
+ *  \param filename XML platform file name
+ *
+ *  This platform model seperates the workstation resource and the network resource.
+ *  The workstation resource will be initialized with the model CLM03, the network
+ *  resource with the model CM02 and the CPU resource 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_resource_init_KCCFLN05()
+ */
+XBT_PUBLIC(void) surf_workstation_resource_init_CLM03(const char *filename);
+
+/** \brief Initializes the platform with the model KCCFLN05
+ *  \ingroup SURF_resources
+ *  \param filename XML platform file name
+ *
+ *  With this model, the workstations and the network are handled together.
+ *  There is no network resource. This platform model is the default one for
+ *  MSG and SimDag.
+ *
+ *  \see surf_workstation_resource_init_CLM03()
+ */
+
+XBT_PUBLIC(void) surf_workstation_resource_init_KCCFLN05(const char *filename);
+
+
+XBT_PUBLIC(void) surf_workstation_resource_init_KCCFLN05_proportionnal(const char *filename);
+
+#ifdef USE_GTNETS
+XBT_PUBLIC(void) surf_workstation_resource_init_GTNETS(const char *filename);
+#endif
+
+/** \brief The network links
+ *  \ingroup SURF_resources
+ *
+ *  This dict contains all network links.
+ *
+ *  \see workstation_set
+ */
+XBT_PUBLIC_DATA(xbt_dict_t) network_link_set;
+
+/** \brief The workstations
+ *  \ingroup SURF_resources
+ *
+ *  This dict contains all workstations.
+ *
+ *  \see network_link_set
+ */
+XBT_PUBLIC_DATA(xbt_dict_t)  workstation_set;
+
+/** \brief List of initialized resources
+ *  \ingroup SURF_resources
+ */
+XBT_PUBLIC_DATA(xbt_dynar_t)  resource_list;
 
 /*******************************************/
 /*** SURF Globals **************************/
 /*******************************************/
 
-void surf_init(int *argc, char **argv);        /* initialize common structures */
+/** \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_resource_init()
+ *  and surf_workstation_resource_init_CLM03() or surf_workstation_resource_init_KCCFLN05().
+ *
+ *  \see surf_timer_resource_init(), surf_workstation_resource_init_CLM03(),
+ *  surf_workstation_resource_init_KCCFLN05(), surf_exit()
+ */
+XBT_PUBLIC(void) surf_init(int *argc, char **argv);    /* initialize common structures */
+
+/** \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 resource, 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);
 
-extern xbt_dynar_t resource_list;      /* list of initialized resources */
+/** \brief Exit SURF
+ *  \ingroup SURF_simulation
+ *
+ *  Clean everything.
+ *
+ *  \see surf_init()
+ */
+XBT_PUBLIC(void) surf_exit(void);
 
-xbt_heap_float_t surf_solve(void);     /*  update all states and returns
-                                          the time elapsed since last
-                                          event */
-xbt_heap_float_t surf_get_clock(void);
-void surf_finalize(void);      /* clean everything */
+SG_END_DECL()
 
 #endif                         /* _SURF_SURF_H */