#define SIMDAG_PRIVATE_H
#include "xbt/dict.h"
+#include "xbt/dynar.h"
+#include "xbt/fifo.h"
#include "simdag/simdag.h"
#include "simdag/datatypes.h"
+#include "surf/surf.h"
-#define CHECK_INIT_DONE() xbt_assert0(sd_global != NULL, "SD_init not called yet")
+#define SD_INITIALISED() (sd_global != NULL)
+#define SD_CHECK_INIT_DONE() xbt_assert0(SD_INITIALISED(), "Call SD_init() first");
/* Global variables */
typedef struct SD_global {
- xbt_dict_t workstations; /* workstation list */
+ xbt_dict_t workstations; /* workstation dictionary */
int workstation_count; /* number of workstations */
+ SD_workstation_t *workstation_list; /* array of workstations, created only if
+ necessary in SD_workstation_get_list */
+
+ xbt_dict_t links; /* links */
+ int link_count; /* number of links */
+ SD_link_t *link_list; /* array of links, created only if
+ necessary in SD_link_get_list */
+ SD_link_t *recyclable_route; /* array returned by SD_route_get_list
+ and mallocated only once */
+
+ int watch_point_reached; /* has a task just reached a watch point? */
+
+ /* task state sets */
+ xbt_swag_t not_scheduled_task_set;
+ xbt_swag_t scheduled_task_set;
+ xbt_swag_t ready_task_set;
+ xbt_swag_t in_fifo_task_set;
+ xbt_swag_t running_task_set;
+ xbt_swag_t done_task_set;
+ xbt_swag_t failed_task_set;
+
+ int task_number;
+
} s_SD_global_t, *SD_global_t;
extern SD_global_t sd_global;
-/* Link private data */
-typedef struct SD_link_data {
- void* surf_link; /* surf object */
+/* Link */
+typedef struct SD_link {
+ void *surf_link; /* surf object */
+ void *data; /* user data */
+} s_SD_link_t;
+
+/* Workstation */
+typedef struct SD_workstation {
+ void *surf_workstation; /* surf object */
+ void *data; /* user data */
+ e_SD_workstation_access_mode_t access_mode;
+
+ xbt_fifo_t task_fifo; /* only used in sequential mode */
+ SD_task_t current_task; /* only used in sequential mode */
+} s_SD_workstation_t;
+
+/* Task */
+typedef struct SD_task {
+ s_xbt_swag_hookup_t state_hookup;
+ xbt_swag_t state_set;
+ e_SD_task_state_t state;
+ void *data; /* user data */
+ char *name;
+ double amount;
+ double remains;
+ double start_time;
+ double finish_time;
+ surf_action_t surf_action;
+ unsigned short watch_points;
+
+ int state_changed; /* used only by SD_simulate, to make sure we put
+ the task only once in the returning array */
+ int fifo_checked; /* used by SD_task_just_done to make sure we evaluate
+ the task only once */
+
+ /* dependencies */
+ xbt_dynar_t tasks_before;
+ xbt_dynar_t tasks_after;
-} s_SD_link_data_t;
+ /* scheduling parameters (only exist in state SD_SCHEDULED) */
+ int workstation_nb;
+ SD_workstation_t *workstation_list; /* surf workstations */
+ double *computation_amount;
+ double *communication_amount;
+ double rate;
+} s_SD_task_t;
-/* Workstation private data */
-typedef struct SD_workstation_data {
- void* surf_workstation; /* surf object */
- /* TODO: route */
-} s_SD_workstation_data_t;
+/* Task dependencies */
+typedef struct SD_dependency {
+ char *name;
+ void *data;
+ SD_task_t src;
+ SD_task_t dst;
+ /* src must be finished before dst can start */
+} s_SD_dependency_t, *SD_dependency_t;
-/* Private functions */
+/* SimDag private functions */
-SD_link_t __SD_link_create(const char *name, void *surf_link, void *data);
-void __SD_link_destroy(SD_link_t link);
+SD_link_t __SD_link_create(void *surf_link, void *data);
+void __SD_link_destroy(void *link);
SD_workstation_t __SD_workstation_create(void *surf_workstation, void *data);
-void __SD_workstation_destroy(SD_workstation_t workstation);
+void __SD_workstation_destroy(void *workstation);
+int __SD_workstation_is_busy(SD_workstation_t workstation);
+
+void __SD_task_set_state(SD_task_t task, e_SD_task_state_t new_state);
+void __SD_task_really_run(SD_task_t task);
+int __SD_task_try_to_run(SD_task_t task);
+void __SD_task_just_done(SD_task_t task);
+
+/* Functions to test if the task is in a given state. */
+
+/* Returns whether the given task is scheduled or ready. */
+static XBT_INLINE int __SD_task_is_scheduled_or_ready(SD_task_t task) {
+ return task->state_set == sd_global->scheduled_task_set ||
+ task->state_set == sd_global->ready_task_set;
+}
+
+/* Returns whether the state of the given task is SD_NOT_SCHEDULED. */
+static XBT_INLINE int __SD_task_is_not_scheduled(SD_task_t task) {
+ return task->state_set == sd_global->not_scheduled_task_set;
+}
+
+/* Returns whether the state of the given task is SD_SCHEDULED. */
+static XBT_INLINE int __SD_task_is_scheduled(SD_task_t task) {
+ return task->state_set == sd_global->scheduled_task_set;
+}
+
+/* Returns whether the state of the given task is SD_READY. */
+static XBT_INLINE int __SD_task_is_ready(SD_task_t task) {
+ return task->state_set == sd_global->ready_task_set;
+}
+
+/* Returns whether the state of the given task is SD_IN_FIFO. */
+static XBT_INLINE int __SD_task_is_in_fifo(SD_task_t task) {
+ return task->state_set == sd_global->in_fifo_task_set;
+}
+
+/* Returns whether the state of the given task is SD_READY or SD_IN_FIFO. */
+static XBT_INLINE int __SD_task_is_ready_or_in_fifo(SD_task_t task) {
+ return task->state_set == sd_global->ready_task_set ||
+ task->state_set == sd_global->in_fifo_task_set;
+}
+
+/* Returns whether the state of the given task is SD_RUNNING. */
+static XBT_INLINE int __SD_task_is_running(SD_task_t task) {
+ return task->state_set == sd_global->running_task_set;
+}
#endif
