1 #ifndef SIMDAG_SIMDAG_H
2 #define SIMDAG_SIMDAG_H
4 #include "simdag/datatypes.h"
9 /************************** Link handling ***********************************/
11 /* private (called by SD_environment_create)
12 SD_link_t SD_link_create(void *data, const char *name,
13 double bandwidth, double latency);*/
14 void* SD_link_get_data(SD_link_t link);
15 void SD_link_set_data(SD_link_t link, void *data);
16 const char* SD_link_get_name(SD_link_t link);
17 double SD_link_get_capacity(SD_link_t link);
18 double SD_link_get_current_bandwidth(SD_link_t link);
19 double SD_link_get_current_latency(SD_link_t link);
20 /* private (called by SD_clean)
21 void SD_link_destroy(SD_link_t link);
24 /************************** Workstation handling ****************************/
26 /** @defgroup SD_workstation_management Workstations
27 * @brief Functions for managing the workstations
29 * This section describes the functions for managing the workstations.
31 * A workstation is a place where a task can be executed.
32 * A workstation is represented as a <em>physical
33 * resource with computing capabilities</em> and has a <em>name</em>.
35 * @see SD_workstation_t
39 SD_workstation_t SD_workstation_get_by_name(const char *name);
40 SD_workstation_t* SD_workstation_get_list(void);
41 int SD_workstation_get_number(void);
42 void SD_workstation_set_data(SD_workstation_t workstation, void *data);
43 void* SD_workstation_get_data(SD_workstation_t workstation);
44 const char* SD_workstation_get_name(SD_workstation_t workstation);
45 SD_link_t* SD_workstation_route_get_list(SD_workstation_t src, SD_workstation_t dst);
46 int SD_workstation_route_get_size(SD_workstation_t src, SD_workstation_t dst);
47 double SD_workstation_get_power(SD_workstation_t workstation);
48 double SD_workstation_get_available_power(SD_workstation_t workstation);
52 /************************** Task handling ************************************/
54 SD_task_t SD_task_create(const char *name, void *data, double amount);
55 void SD_task_schedule(SD_task_t task, int workstation_nb,
56 const SD_workstation_t *workstation_list, double *computation_amount,
57 double *communication_amount, double rate);
58 void SD_task_reset(SD_task_t task);
59 void* SD_task_get_data(SD_task_t task);
60 void SD_task_set_data(SD_task_t task, void *data);
61 const char* SD_task_get_name(SD_task_t task);
62 double SD_task_get_amount(SD_task_t task);
63 double SD_task_get_remaining_amount(SD_task_t task);
64 void SD_task_dependency_add(const char *name, void *data, SD_task_t src, SD_task_t dst);
65 void SD_task_dependency_remove(SD_task_t src, SD_task_t dst);
66 void* SD_task_dependency_get_data(SD_task_t src, SD_task_t dst);
67 e_SD_task_state_t SD_task_get_state(SD_task_t task);
68 /* e_SD_task_state_t can be either SD_SCHEDULED, SD_RUNNING, SD_DONE, or SD_FAILED */
70 void SD_task_watch(SD_task_t task, e_SD_task_state_t state);
71 /* SD_simulate will stop as soon as the state of this task is the one given in argument.
72 Watch-point is then automatically removed */
74 void SD_task_unwatch(SD_task_t task, e_SD_task_state_t state);
75 void SD_task_unschedule(SD_task_t task); /* change state and rerun */
76 void SD_task_destroy(SD_task_t task);
78 /************************** Global *******************************************/
80 void SD_init(int *argc, char **argv);
81 void SD_create_environment(const char *platform_file);
82 SD_task_t* SD_simulate(double how_long); /* returns a NULL-terminated array of SD_task_t whose state has changed */
83 void SD_exit(void); /* cleans everything */